Document | Document Title |
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US10820460B2 |
Cutting and bending device
A cut and clinch device that bends leads of a leaded component into at least one of an bent-in state, a bent-out state, or an N-bent state. The bent-in state is a state with a pair of leads bent inside by moving a pair of movable sections towards each other. The bent-out state is a state with a pair of leads bent outside by moving a pair of movable sections away from each other. The N-bent state is a state with a pair of leads bent into an N-shape by moving a pair of slide bodies towards each other, moving a pair of movable sections away from each other, and then rotating the pair of slide bodies around a center point. Thus, leads can be bent into various states, and a leaded component can be appropriately mounted on a board. |
US10820456B2 |
Electronic component module and manufacturing method thereof
An electronic device module includes a first substrate, at least one electronic device mounted on a lower surface of the first substrate, a second substrate mounted on a lower surface of the first substrate to electrically connect the first substrate to an external source of power, a connecting conductor bonded to a lower surface of the second substrate, and a sealing portion sealing the electronic device, the second substrate, and the connecting conductor, wherein a mounting height of the second substrate is configured to be lower than a mounting height of the electronic device. |
US10820452B2 |
Control and optimization of indirect evaporative cooling units for data center cooling
Embodiments of the present invention provide control solutions for data center thermal management and control using an IDEC system. The data center is arranged in a cold air room wall supply and hot air room wall return configuration. The sensors, such as temperature sensors and/or pressure sensors, are utilized to measure and record thermal data. The data is then processed and used to control the IDEC system to adjust operating conditions to satisfy dynamic thermal requirements of the data center. The control functions include: 1) controlling the IDEC system to adjust cooling modes and operating conditions as needed to maintain proper data center thermal environment; and 2) identifying different optimal operating conditions and parameters for the IT room and IDEC system. |
US10820450B2 |
Modular heat-transfer systems
Some modular heat-transfer systems can have an array of at least one heat-transfer element being configured to transfer heat to a working fluid from an operable element. A manifold module can have a distribution manifold and a collection manifold. A decoupleable inlet coupler can be configured to fluidicly couple the distribution manifold to a respective heat-transfer element. A decoupleable outlet coupler can be configured to fluidicly couple the respective heat-transfer element to the collection manifold. An environmental coupler can be configured to receive the working fluid from the collection manifold, to transfer heat to an environmental fluid from the working fluid or to transfer heat from an environmental fluid to the working fluid, and to discharge the working fluid to the distribution manifold. |
US10820449B2 |
Electronic chassis with heat exchanger
Aspects of the disclosure generally relate to at least one device for heat transfer or dissipation. The at least one device for heat transfer or dissipation can include an air-to-air heat exchanger. The air-to-air heat exchanger can include an air flow inlet and various slots to establish a flow-through air path. |
US10820448B2 |
Heat sink and communications product
A heat sink includes a base and a plurality of fins. A root of the fin is connected to the base. A heated area, a dropping pipe, and a spacing strip between the heated area and the dropping pipe are formed in the fin. A first passage and a second passage are formed between the heated area and the dropping pipe. A hydraulic diameter of a pipeline in the heated area is less than a critical dimension. A hydraulic diameter of a pipeline of the dropping pipe is greater than or equal to the critical dimension, and a pressure of liquid at an intersection of the second passage and the dropping pipe is greater than a pressure of liquid at an intersection of the second passage and the heated area. |
US10820445B2 |
Cooling system for double sided display assembly
A pair of electronic displays are placed back to back and are configured for mounting to a vehicle. A pair of thermal plates are located behind the electronic displays and a pair of transparent plates are located in front of the electronic displays. A closed loop of air travels vertically through the space between the electronic displays and transparent panels and through a closed loop plenum. An open loop of air travels horizontally through the space between thermal plates and the rear surface of the electronic displays. |
US10820442B2 |
Modular server architectures
Examples relate to a modular server architecture that comprises a server chassis, a plurality of independent resource modules releasable attached to the server chassis a memory semantic protocol controller connected to the plurality of independent resource modules. Each one of the resource modules of the plurality of resource modules has a distinct Printed Circuit Board (PCB). The memory semantic media controller is to manage the plurality of independent resource modules. |
US10820441B1 |
Installation tool for use with a data center rack and method of use
An installation tool for aiding in securing a device within a data center rack, the installation tool includes a plate having a shape appropriate to fit within an interior of the data center rack; a first mount extending from a first front corner of the plate, the first mount having a first peg; and a second mount extending from a second front corner of the plate, the second mount having a second peg; the first and second peg are to secure the first mount and the second mount to a frame of the data center rack; and the plate provides a surface to hold the device within the data center rack for the device to be secured to the data center rack. |
US10820440B2 |
Minimal touch bracket for cable routing with rack mounted devices
The present technology provides minimal touch cable guides for rack-mounted devices. The minimal touch cable guides disclosed herein provide structures for routing cables from field replaceable units installed in a rack mounted device in such a way that cables of different types are not crossed and provides a mechanism for adjusting installed cabling to permit access to otherwise obscured field replaceable units. Such adjustment of cabling is provided in a controlled manner that does not impair the performance the installed cabling. |
US10820436B1 |
Utility box
A utility box which includes a concave-shaped box having a box opening on a top end of the box and a cover plate installed on the box to cover the box opening. The box has a box body, a box shoulder, and a box opening formed on the top end of the box. A pair of lower horizontal guide surfaces are disposed parallel to each other. The box shoulder has a shoulder body and a pair of upper horizontal guide surfaces. A cover plate is formed to have a cover plate wide width portion and is installed in such a manner that the cover plate wide width portion is supported on the lower horizontal guide surfaces. A cover plate opening/closing support controls the cover plate. The box body has improved inner space utilization and a region of its cover plate has a simple structure. |
US10820430B2 |
System and method for interactive protection of a mobile electronic device
A system is disclosed having a deployable barrier, a sensor to detect when to deploy the barrier and an activation device to deploy the barrier, wherein the barrier, sensor and activation device are connected a surface attached to a mobile device and the deployable barrier is deployed when the mobile device experiences an unexpected change in at least one of velocity, acceleration and moisture. Another system and method are also disclosed. |
US10820426B2 |
Carrier substrate
A carrier substrate includes a circuit structure layer, a first solder resist layer, a second solder resist layer and conductive towers. The circuit structure layer includes a core structure layer, a first circuit layer and a second circuit layer. The first solder resist layer has first openings exposing a portion of the first circuit layer. The second solder resist layer has second openings exposing a portion of the second circuit layer. The conductive towers are disposed at the first openings, higher than a surface of the first solder resist layer and connected with the first openings exposed by the first circuit layer, wherein a diameter of each of the conductive towers gradually increases by a direction from away-from the first openings towards close-to the first openings. A diameter of the second conductive towers is greater than that of the first conductive towers. |
US10820423B2 |
Fabrication method of circuit board
A fabrication method of a circuit includes drilling holes in a substrate, so as to form a plurality of first opening holes and second opening holes in the substrate. A cover film is attached onto the substrate, so as to cover the first opening holes and the second opening holes. A portion of the cover film covering the first opening holes is removed, so as to expose the first opening holes. The first opening holes are filled. |
US10820422B2 |
Display device including display unit having indented shape
A display device includes: a substrate including a first indented portion indented inward along one side of the substrate; a first pad group and a second pad group that are spaced apart from each other on the substrate along the one side; a display unit located on the substrate and having a shape indented inward between the first pad group and the second pad group; an encapsulation layer encapsulating the display unit; a first wiring film including a third pad group connected to the first pad group; and a second wiring film including a fourth pad group connected to the second pad group. The first wiring film and the second wiring film are bent from a first surface of the substrate to a second surface of the substrate that is opposite to the first surface of the substrate, and the second wiring film is spaced apart from the first wiring film. |
US10820419B2 |
Memory system and storage device including printed circuit board where channel groups have both point to point topology and daisy chain topology
A memory system includes a printed circuit board, at least one memory chip mounted on the printed circuit board, and a memory controller arranged on the printed circuit board and connected to 2N (where N is an integer of 2 or more) channels, the memory controller configured to perform a write operation and a read operation on the at least one memory chip. In the printed circuit board, a first subset of the channels corresponds to a first channel group configured in a point to point topology, and a remaining subset of the channels corresponds to a second channel group configured in a daisy chain topology. |
US10820417B2 |
Display apparatus and method for manufacturing the same
A display apparatus includes a display panel bendable in a bending direction about a bending axis, pad units disposed on one side of the display panel and arranged in the bendable direction, printed circuit boards disposed below the display panel, and flexible printed circuit boards configured to connect the display panel to the printed circuit boards. The printed circuit boards are bendable in the bending direction about the bending axis, are arranged in the bendable direction, and extend in the bendable direction. Each of the flexible printed circuit boards has a first end connected to the display panel and a second end connected to one of the printed circuit boards. A second distance between the second ends of two of the flexible printed circuit boards respectively connected to two adjacent printed circuit boards is greater than a first distance between the first ends of the two flexible printed circuit boards. |
US10820416B2 |
Substrate apparatus and method of manufacturing the same
The present disclosure relates to a substrate apparatus and a method of manufacturing a substrate apparatus capable of improving a manufacturing quality and reliability of the substrate apparatus as an electronic device. By laminating a plurality of sheet-like substrates on which a wiring pattern is formed, an individual substrate in which internal wiring is formed is formed, and the individual substrate physically and electrically connects two substrates. The present disclosure is capable of being applied to the substrate apparatus. |
US10820415B1 |
Adapter for removable computer expansion devices
In an embodiment, an adapter assembly includes a plurality of system connectors configured to simultaneously engage a plurality of receiving connectors of an external system when inserted in the external system and simultaneously disengage from the plurality of receiving connectors of the external system when disengaged from the external system. The adapter assembly includes a device-receiving connector configured to engage a connector of a removable device, where the adapter assembly is configured to house at least a portion of the removable device. The adapter assembly includes connections between at least a portion of the plurality of system connectors and the device-receiving connector, where the connections are configured to route communication lanes of the removable device to one or more of the plurality of system connectors. |
US10820408B2 |
Multi-layer circuit board and electronic assembly having same
A multi-layer circuit board comprising a carrier plate with an upper surface and a lower surface, and at least one electrically conductive upper inner layer located on the upper surface of the carrier plate and an electrically insulating upper intermediate layer located thereon, and an electrically conductive upper outer layer located thereon, forming the outermost layer of the upper surface. At least one electrically conductive lower inner layer is located on the lower surface of the carrier plate and an electrically insulating lower intermediate layer located thereon, and an electrically conductive lower outer layer located thereon, forming the outermost layer of the lower surface. The upper and/or lower outer layers are populated with components, and conductor paths in one of the inner layers are oriented in different directions from conductor paths in the other inner layer, and the region between the conductor paths is flooded with a voltage. |
US10820406B2 |
Circuit structure and electrical junction box
A circuit structure includes a circuit board having a connection opening. An electronic component is mounted on a top surface side of the circuit board, and a plurality of bus bars are disposed on a bottom surface side thereof, the electronic component includes a plurality of connection terminals, and a connection terminal of the plurality of connection terminals is connected to a bus bar on the bottom surface side of the circuit board via the connection opening. The circuit structure includes a heat dissipation member provided on a side of the plurality of bus bars opposite to a surface on which the electronic component is connected, an insulating heat-transfer material having insulating properties and heat transferring properties, and a restricting member is provided between the plurality of bus bars and the heat dissipation member, and restricts movement of the insulating heat-transfer material caused by an increase in temperature. |
US10820404B2 |
Neutron generator with a rotating target in a vacuum chamber
A portable neutron generator is provided that does not utilize liquid cooling. The portable neutron generator includes a vacuum chamber housing defining a vacuum chamber and an ion beam inlet. The portable neutron generator also includes a rotating target positioned within the vacuum chamber. The ion beam inlet is oriented to receive ions such that the ions impinge upon the rotating target to cause neutrons to be emitted. The rotating target comprises a copper alloy. The portable neutron generator also includes a motor core positioned within the vacuum chamber and coupled to the rotating target. A motor stator is electromagnetically coupled with the motor core. The motor core is configured to rotate the rotating target at greater than 200 Hz during operation. |
US10820402B2 |
Device and method for treating lenses
Aspects of the invention may relate to a treatment device and method for providing plasma treatments of lenses. The treatment device for treating a lens, included in an operational device, may include: at least one first electrode located in proximity to a first surface of the lens, such that the first surface is to be treated by the treatment device; at least one second electrode; and an RF generator electrically associated with the electrodes for providing RF energy to the at least one first and at least one second electrodes in an amount sufficient to generate plasma on the first surface of the lens. |
US10820401B2 |
Operating plasma arc processing systems at reduced current and gas pressure levels and related systems and methods
In some aspects, methods for controlling a plasma arc in a plasma torch of a plasma cutting system in a low operating current mode can include: receiving, by a computing device within the plasma power supply, a command to begin a plasma processing operation; generating a pilot arc command to generate a pilot arc within the plasma torch, the generating of the pilot arc command including directing an electrical signal and a gas flow to the plasma torch, the electrical signal being configured to generate the pilot arc at a current having a first arc amperage magnitude; and generating an operational arc command to facilitate a transition from the pilot arc to an operational plasma arc, the generating of the operational arc command including adjusting the current directed to the plasma torch to be a second arc amperage magnitude that is lower than the first arc amperage magnitude. |
US10820397B1 |
Test architecture for light emitting diode arrays
Apparatuses and methods are presented relating to a plurality of current sources for generating a plurality of first bias currents to drive a plurality of LEDs and a plurality of measurement circuits for obtaining a plurality of first voltage measurements for the LEDs during a first test cycle. The current sources are further configurable to generate a plurality of second bias currents for driving the LEDs, and the measurement circuits are further configurable to obtain a plurality of second voltage measurements for the plurality of LEDs, during a second test cycle. A memory device is configured to store the first and second bias currents and first and second voltage measurements as a current-voltage (I-V) performance characteristic. |
US10820394B2 |
Modular lighting panel
Systems and methods described herein provide examples of an electrical panel (e.g., a modular electrical panel) that is configured to control a plurality of electrical loads. The electrical panel may include a control circuit, memory, a communication circuit, and an alternating current (AC) line feed and/or a direct current (DC) line feed. The electrical panel may also include a plurality of power supplies and a plurality of control modules, where more than one control module is associated with each of the plurality of power supplies. Each control module may configured to receive DC power from the associated power supply and provide an output voltage to at least one electrical load. The electrical panel provides flexibility as to whether each stage of conversion, regulation, and/or control is performed at a control module located within the electrical panel or performed at an accessory module located at an electrical load. |
US10820393B2 |
Lighting control operating unit having a dual encoder
A lighting control operating unit generating digital adjusting commands which are transmitted to a processing unit via a data link includes several control elements, including key buttons, slide controls and/or rotary controls, which are disposed at the upper side of a housing. At least one dual encoder is provided in a control panel of the lighting control operating unit allowing users to enter input values. The dual encoder presents a first shaft rotatably mounted in a housing, and a second shaft mounted in the housing so as to be coaxially rotatable, and corresponding first and second rotation signal generators Both shafts include actuating elements transmitting adjusting movements. The actuating elements are a rotary disk and/or a rotary swivel configured to be coaxially turned in opposite directions. |
US10820392B2 |
Control device having an integral reflecting structure for a sensing circuit
A wall-mounted keypad may include a light detector circuit located inside the keypad that is configured to measure an ambient light level in a space. The light detector circuit may receive ambient light through an aperture that is hidden from view by the keypad. The keypad may include a reflector for directing ambient light onto the light detector circuit. The keypad may include an enclosure that houses the light detector circuit. The enclosure may define a recess that exposes at least a portion of the light detector circuit. The enclosure may include a reflector that may focus ambient light received through the aperture onto the light detector circuit. The keypad may include a control circuit that may be configured to illuminate the indicia of respective buttons of the control device in response to actuations of the one or more buttons, in accordance with the measured ambient light level. |
US10820391B2 |
LED light control assembly and system
An LED light and communication system is in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver light fixture. The optical transceiver light fixture includes a plurality of light emitting diodes, at least one photodetector, and a processor. A facility control unit is in communication with the light emitting diode light fixtures and a control server. The facility control unit is constructed and arranged to control the operation of the optical transceiver light fixtures. |
US10820388B1 |
Driving circuits
A driving circuit for driving a light emitting unit is provided. The driving circuit includes a current source, a PWM circuit, and an emission switch. The current source generates a current. The PWM circuit stores a data signal according to a scan signal, and generates a PWM signal according to the data signal and an enable signal. The emission switch couples the current source to the light emitting unit according to the emission signal so that the current flows through the Light emitting unit. |
US10820383B2 |
Control of microwave source efficiency in a microwave heating apparatus
A method and apparatus for operating a microwave heating apparatus includes a microwave source adapted to feed microwaves to a cavity via a transmission line, including measuring a power of microwaves transmitted from the microwave source to the cavity, receiving operational data indicative of the power supplied to the microwave source, and adjusting at least one of an impedance of the transmission line or the impedance matching between the microwave source and the transmission line based on the measured power of the transmitted microwaves and the received operational data. |
US10820382B2 |
Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff
A method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff in an enclosed cavity of a cooking device includes generating, with a small signal generating component, a radio frequency signal at a first power level, amplifying the radio frequency signal to a second power level greater than the first power level with a radio frequency amplification component, and feeding the amplified radio frequency signal to the enclosed cavity. |
US10820377B2 |
Consolidated filter arrangement for devices in an RF environment
A heating system includes a first plurality of heating elements disposed within an electrostatic chuck and an electrically conductive housing. The heating system further includes one or more switching devices to control temperatures output by the first plurality of heating elements. The heating system further includes a converter that is electrically coupled to the one or more switching devices and disposed within the electrically conductive housing. The electrically conductive housing and the first plurality of heating elements are to operate in a radio frequency (RF) environment. A second plurality of elements are to operate outside of the RF environment. The converter is to communicate with a controller outside of the RF environment via a non-conductive communication link. The controller is to receive a process recipe and is to control the first plurality of heating elements and the second plurality of elements substantially simultaneously based on the process recipe. |
US10820373B2 |
Methods to indicate a version of packet data convergence protocol (PDCP) in dual connectivity arrangements
Embodiments of a User Equipment (UE), Evolved Node-B (eNB) and methods of communication are generally described herein. The UE may receive a SystemInformationBlockType1 from an eNB. The UE may determine that the eNB supports Fifth Generation Core (5GC) operation if the SystemInformationBlockType1 message includes a plmn-Identity-5GC-r15 parameter. The UE may transmit a radio resource control (RRC) connection request message to establish an RRC connection. If it is determined that the eNB supports 5GC operation, and if the UE supports 5GC operation, the UE may encode the RRC connection request message in accordance with a default new radio packet data convergence protocol (NR PDCP) configuration; and may use NR PDCP for one or more subsequent messages. |
US10820370B2 |
Method and apparatus for performing efficient layer 2 function in mobile communication system
The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transfer rate beyond a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) on the basis of 5G communication technology and IoT-related technology. Disclosed are a method and an apparatus for configuring an efficient hierarchical layer 2 architecture and main functions thereof in a next-generation mobile communication system. |
US10820367B2 |
Device and method of handling a radio resource control connection
A base station (BS) for handling a radio resource control (RRC) connection comprises at least one storage device and at least one processing circuit coupled to the at least one storage device, wherein the at least one storage device stores instructions, and the at least one processing circuit is configured to execute the instructions of: transmitting a first RRC message to a first communication device, wherein the first RRC message configures the first communication device to enter an IDLE state or an INACTIVE state and comprises a first Absolute Radio Frequency Channel Number (ARFCN) indicating a location of at least one synchronization signal block (SSB) at a first carrier, and the first RRC message indicates a subcarrier spacing. |
US10820365B2 |
Techniques for providing radio resource control and fronthaul control on a wireless fronthaul link
Methods, systems, and devices for wireless communication are described that provide for transmitting different sets of control messages through a relay to a central unit (CU) and a core network of a wireless communications system. The different sets of control messages may include a first set of control messages for an access radio link between the relay and the CU and a second set of control messages for a fronthaul radio link between the relay and the CU. Techniques may include multiplexing of messages on a radio bearer (RB), establishment of separate RBs for different control messages, and encapsulation of one type of control message for transmission with the other type of control message. |
US10820362B2 |
Multi-member bluetooth network capable of maintaining bluetooth signal quality with remote bluetooth device and related main bluetooth circuit and auxiliary bluetooth
A multi-member Bluetooth network includes: a main Bluetooth circuit capable of directly communicating with a remote Bluetooth device through a Bluetooth transmission approach; and an auxiliary Bluetooth circuit capable of indirectly communicating with the remote Bluetooth device through the main Bluetooth circuit. When the auxiliary Bluetooth circuit becomes more closer to the remote Bluetooth device than the main Bluetooth circuit, the main Bluetooth circuit instructs the auxiliary Bluetooth circuit to utilize the device identification data and multiple Bluetooth connection parameters of the main Bluetooth circuit to directly communicate with the remote Bluetooth device through a Bluetooth transmission approach by imitating the main Bluetooth circuit, and the main Bluetooth circuit then indirectly communicates with the remote Bluetooth device through the auxiliary Bluetooth circuit. |
US10820361B2 |
Method and system for application-controlled multiple Wi-Fi connections
A method, electronic device, and non-transitory computer readable medium for controlling Wi-Fi channels. The method comprises, in response to identifying an application to be executed, identifying, by the electronic device, available Wi-Fi channels to use for sending and receiving data for the application. The method also includes identifying, by the electronic device, which one of the available Wi-Fi channels to use for sending and receiving the data for the application based on preset mappings between applications and the available Wi-Fi channels. |
US10820359B2 |
GPRS tunneling protocol (GTP) traffic hub and associated method of use
A traffic hub used in mobile communications for data offloading, diversion and security. The traffic hub includes an Evolved Packet Data Gateway (ePDG) module configured to transmit and receive data packets for a mobile device in Roaming Untrusted Wi-Fi network for secured access to an Evolved Packet Core (EPC) network, a Trusted WLAN Access Gateway (TWAG) module configured to transmit and receive the data packets for a mobile device in Roaming Trusted Wi-Fi network for secured access to the EPC network and a General Packet Radio Service (GPRS) Tunneling Protocol (GTP) Proxy (GProxy) module, the GProxy module being the core module of the traffic hub configured to enforce policy rules on the data packets prior to exchanging the data packets with logically selected Peer Gateway General Packet Radio Service (GPRS) Serving Node (GGSN)/Packet Data Network (PDN) Gateway (PGW) and ePDG/TWAG nodes. The GProxy also operates as a GTP-aware firewall to protect Home GGSN/PGW nodes from malicious traffic. |
US10820357B2 |
Connecting to a packet data network (PDN) based on priority
A serving gateway device (SGW) can cause establishment of a requested connection to a first PDN for a user device. The SGW can cause suspension of the connection to the first PDN and establishment of a requested connection to a second PDN for the user device based on a requested connection to a second PDN for a user device. The SGW can cause termination of the connection to the second PDN based on the respective end time associated with the second PDN, and cause restoration of the connection to the first PDN after the connection to the second PDN is terminated. |
US10820350B2 |
Data transmission method and device
The present invention discloses a data transmission method and device configured to address the problems in LTE-U employing the existing channel access mechanism, in which poor channel access capacity is caused, and congestion between UEs in the same cell is likely to occur if multiple UEs cannot access at the same time. The method comprises: sending, by a communication device, a signal during a GP between a downlink subframe and an uplink subframe to occupy a current channel; and transmitting, by the communication device, data via the current channel. The solution provided in embodiments of the present invention has low implementation complexity, and can address the problem of UL having a poorer opportunity to access than WIFI, thus facilitating the implementation of MU-FDM and MU-SDM to prevent significant degradation of LAA performance and a waste of radio resources. |
US10820348B2 |
Intra- and inter-rat co-existence and congestion control for LTE PC5-based vehicle-to-vehicle (V2V) communication
Systems and methods of providing RAT co-existence and congestion control in V2V communications are generally described. A vUE detects specific non-LTE RAT transmissions in a listening period of a PSCCH or PSSCH, determines whether a metric has been met and reselects to a non-overloaded channel to communicate with other vUEs or the eNB. The manner of reselection is dependent on the RAT specific or V2X service priorities of the channels, as well as whether the channels are V2V service dependent. |
US10820347B2 |
Device and method for signal processing in licensed assisted access radio system
A dynamic configuration of crest factor reduction in a licensed assisted access radio system. A processing device comprises a detecting block, a clipping pulse generator, a first storage block, a selecting block, a full clipping block and a simplified clipping block. The detecting block performs a listen-before-talk (LBT) procedure on a plurality of carriers in parallel and generates a trigger signal in response to LBT success on one or more carriers. The clipping pulse generator generates, for the carrier(s) with LBT success, a clipping pulse within a time period from the receipt of the trigger signal to the start of user traffic transmission. The first storage block stores the clipping pulse for use by the full clipping block. The selecting block selects the full clipping block when there is user traffic on the carrier(s) and selects the simplified clipping block when there is no user traffic on the carrier(s). |
US10820345B2 |
Method and apparatus for determining contention window information
Embodiments of the present disclosure provide a method for determining contention window information. The method includes: determining contention window information of a second uplink burst of a user equipment (UE) according to a receiving state of a reference subframe; generating at least one piece of control signaling for scheduling at least one uplink subframe in the second uplink burst; and sending the at least one piece of control signaling to the UE. According to the method and an apparatus for determining contention window information in the embodiments of the present disclosure, the control signaling is sent to the UE, so that the contention window information of the UE can be adjusted, the UE can obtain an appropriate contention window information, and fair channel access is implemented through channel sensing based on random backoff. |
US10820344B2 |
Preamble signature selection for contention based random access in mobile communication
Techniques and examples pertaining to reducing preamble collision in contention-based random access (CBRA) from a user equipment (UE) to a base station of a mobile communication network are described. A method for selecting a preamble signature may involve identifying a quantity of preamble signatures reserved for CBRA in the mobile communication network. The method may also involve performing a modulo computation based on a unique identifier of the UE and the quantity of preamble signatures. The method may also involve designating one of the preamble signatures as a chosen preamble signature based on a result of the modulo computation. The method may further involve initiating a random access procedure using the chosen preamble signature to establish a communication link between the UE and the base station. |
US10820342B2 |
Method and apparatus for flexible scheduling of uplink transmissions in mobile communications
Various solutions for flexible scheduling of uplink transmissions with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a first downlink control information (DCI) scheduling an uplink transmission. The apparatus may receive a second DCI to cancel the uplink transmission. The apparatus may cancel at least a part of the uplink transmission. The first DCI may comprise a first hybrid automatic repeat request (HARQ) process identification (ID). The second DCI may comprise a second HARQ process ID. The second HARQ process ID may be identical to the first HARQ process ID. |
US10820337B2 |
Device in wireless communication system, and wireless communication method
The present disclosure relates to a device in a wireless communication system, and a wireless communication method. An electronic device in the wireless communication system according to the present disclosure comprises one or more processing circuits. The processing circuits are configured to execute the following operations: monitoring resources corresponding to a first semi-persistent scheduling (SPS) configuration used by the electronic device and resources corresponding to other SPS configurations besides the first SPS configuration; and determining an SPS configuration reselection result of the electronic device according to the monitoring result. By using the device in the wireless communication system and the wireless communication method according to the present disclosure, SPS resources can be reasonably configured so as to reduce the possibility of interference, and a reselection of a SPS configuration can be performed quickly and efficiently when potential interference is found. |
US10820336B2 |
Geo-information reporting for vehicle-to-vehicle sidelink communications
Methods, systems, and storage media for reporting geo-information in wireless communications networks are described. In embodiments, an evolved nodeB (eNB) may configure a user equipment (UE) to report its geo-information, and use the reported geo-information for scheduling vehicle-to-vehicle (V2V) communications. The eNB may also allocate radio frequency (RF) resources for V2V communications based on reported geo-information. In embodiments, a UE may report its geo-information based on a configuration message received from an eNB, receive scheduling information for V2V communications, and determine or select RF resources on which to transmit or receive V2V communications. Other embodiments may be described and/or claimed. |
US10820334B2 |
Configuration of resolution of uplink data
There are provided mechanisms for configuring resolution of uplink data. An exemplary radio equipment controller (REC) of an access node includes an interface (RCE-RE interface) to a radio equipment (RE) and processing circuitry. The processing circuitry is configured to cause the REC to provide instructions to the RE regarding a resolution in time and/or frequency domain with which beam direction reports are to be transmitted to the REC on the REC-RE interface. The beam direction reports are based on uplink appointed reference symbols for sounding received by the RE on a radio interface and is to be transmitted from the RE to the REC. The REC may thus configure the resolution of the beam direction reports that are received by the REC. |
US10820331B2 |
Method for controlling wireless communication in beamforming-based cellular system
The present disclosure relates to a communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology. The present disclosure is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retails, and security and safety-related services) based on the 5G communication technology and the IoT-related technology. The present disclosure relates to a radio network technology for use in a beamforming-based cellular system. A method for compensating phase noise by a user equipment (UE) is provided. The method comprises receiving, from a base station, association information between at least one phase tracking reference signal (PTRS) port and at least one demodulation reference signal (DMRS) port, identifying phase noise between the UE and the base station based on the association information, and compensating for the phase noise based on the result of the identification. |
US10820329B2 |
Guided wave communication system with interference mitigation and methods for use therewith
Aspects of the subject disclosure may include, for example, generating electromagnetic waves that convey data, receiving a wireless signal generated by a communication device, determining that the wireless signal is transmitted during a first resource block used for transport of the electromagnetic waves that convey the data, detecting an interference condition caused by the wireless signal, and adjusting the electromagnetic waves to generate adjusted electromagnetic waves that convey the data in a second resource block that does not overlap with the first resource block. Other embodiments are disclosed. |
US10820326B2 |
Resource allocation for reserved resources
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive information identifying a reserved resource allocation, wherein the reserved resource allocation is associated with a reserved resource; receive information identifying another resource allocation, wherein the other resource allocation overlaps with the reserved resource allocation at an overlapped portion; and selectively perform a communication using the overlapped portion for the reserved resource allocation or the other resource allocation based at least in part on at least one of: respective traffic types of the reserved resource allocation and the other resource allocation, or respective priority levels associated with the reserved resource allocation and the other resource allocation. Numerous other aspects are provided. |
US10820320B2 |
Methods, communication devices and network nodes for enhancing communication in a wireless communication network
Disclosed is a method performed by a communication device (120) for enhancing wireless communication with a network node (110) of a wireless communication network (100). The communication device (120) has received, from the network node, a first timing advance, TA, value at a first time point when in active state, and the communication device has thereafter switched to inactive state. The method comprises switching from inactive to active state, after obtaining an indication of data transfer, determining whether the first TA value is still valid, employing the first TA value for sending data to the network node when the first TA value is determined to be valid, and employing an updated TA value for sending data to the network node when the first TA value is determined not to be valid. By determining that the first TA value is still valid and in these cases reusing the first TA value, communication resources that would otherwise have been used for updating the TA value can be spared. |
US10820316B2 |
Coordinated slotted medium access for shared spectrum new radio
Multiple base stations, which may be controlled by different network operators, share a transmission medium to serve multiple user equipment (UE). A first base station determines that the shared communication medium is free. The first base station transmits, during a first medium access slot on the shared communication medium, a pre-grant for a first UE associated with the first base station. The first UE transmits a response message during the first medium access slot. Optionally, a second base station may join the transmission by transmitting a pre-grant to a second UE during a subsequent medium access slot. |
US10820314B2 |
Traffic advertisement in neighbor aware network (NAN) data path
A method of communication includes exchanging, at a first device, a negotiation message with a second device. The method also includes determining, at the first device, whether to send a traffic message during a neighbor aware network (NAN) data link (NDL) time block based on the negotiation message. |
US10820313B2 |
Method for sending control information, apparatus, and system
A method for sending control information includes: determining, by a network device based on a first time-frequency domain resource for sending first control information, at least one information field included in the first control information; determining, by the network device, a quantity of bits of the first control information based on the at least one information field; and sending, by the network device, the first control information to a user terminal on the first time-frequency domain resource based on the quantity of bits of the first control information. The present application can improve data transmission efficiency. |
US10820312B2 |
TDD FDD communication interface
TDD access equipment modified by introducing a frequency change at the normal TDD guard point, with respective downlink or uplink periods for individual subscriber stations offset to form overlapping frames. Cyclo-stationary processing, block equalization, and burst timing coordination allow the boundary between downlink and uplink portions of both frames to be set dynamically, improving spectral efficiency. Fast frequency switching within an allotted physical slot enables synchronization of time-sharing the dedicated frequencies to be maintained among subscriber stations. Duplex spacing between downlink and uplink frequencies for individual subscriber stations, combined with in-depth filtering of received signals, prevents spurious out-of-band transmission signal strength from reaching an interference level. |
US10820311B2 |
Resource allocation and VRB-to-PRB mapping in mobile communications
Various examples with respect to resource allocation and VRB-to-PRB mapping in mobile communications are described. A processor of a user equipment (UE) establishes a multiple-input multiple-output (MIMO) wireless communication link with a network node of a wireless network. The processor receives data from the network node, with the data represented by a plurality of resource block groups (RBGs) in a frequency domain in terms of resource allocation. The processor then processes the data. In receiving the data, the processor receives in one or more precoding resource block groups (PRGs) of a plurality of PRGs in the frequency domain via the MIMO wireless communication link. The plurality of RBGs and the plurality of PRGs are aligned in the frequency domain. |
US10820305B2 |
Method and device for transceiving wireless signal in wireless communication system
The present invention relates to a wireless communication system and, particularly, to a method and a device therefor, the method comprising the steps of: configuring a plurality of A/N transmission delays and a plurality of A/N resources through a higher layer signal; receiving downlink scheduling information indicating a first A/N transmission delay among the plurality of A/N transmission delays and a first A/N resource among the plurality of A/N resources; receiving data indicated by the downlink scheduling information; and transmitting an A/N for the data by using the first A/N resource at a time determined on the basis of the first A/N transmission delay. |
US10820294B2 |
Predicting available access points
Examples relate to predicting available access points. In one example, a computing device may: obtain a set of training fingerprints, each training fingerprint specifying, for a client device, i) a set of access points, and ii) cellular signal strength measurements for each cellular tower in a set of cellular towers; generate a plurality of classes based on the set of training fingerprints, each class specifying at least one access point, the access points of each class corresponding to the set of access points specified by at least one training fingerprint, and each combination being different from combinations specified by each other class in the plurality of classes; and train a predictive model to receive, as input, an input fingerprint specifying a cellular signal strength measurement for each cellular tower in a set of input cellular towers and produce, as output, at least one of the plurality of classes. |
US10820290B2 |
Over the air synchronization by means of a protocol in a next generation wireless network
An integrated access and backhaul network is provided with network nodes that can establish timing synchronization with any other network nodes. In an embodiment, network nodes in a multi-hop integrated access and backhaul network have a hop order of n, wherein n represents a number of hops from a node connected to the core network via a wired connection. In an embodiment, instead of using the network node with a hop order of 0 as the timing synchronization reference for over-the-air synchronization, any network node can use any other network node as a synchronization reference. A relay node can first establish a wireless link to said arbitrary node. Said wireless link is then used to synchronize the relay or IAB node using a Precision Time Protocol (PTP) implementation. |
US10820288B2 |
Synchronization method, user equipment, and base station
Embodiments of the present invention provide a synchronization method, user equipment, and a base station. The synchronization method includes: obtaining, by user equipment, synchronization information, where the synchronization information includes at least one of the following information: synchronization source selection parameter information, synchronization source indication information, or synchronization source priority information; receiving, by the user equipment, a first synchronization signal sent by at least one synchronization source; and determining, by the user equipment, a synchronization reference source according to the synchronization information and the first synchronization information. In the embodiments of the present invention, the synchronization information is obtained, and the synchronization reference source is determined according to the synchronization information and the synchronization signal of the at least one synchronization source, so that synchronization can be implemented. |
US10820287B2 |
Synchronization method and apparatus in wireless communication system
A synchronization method of a user equipment (UE) and a base station (BS) in a wireless communication system, a UE and a BS for establishing synchronization in a wireless communication system, and a non-transitory computer-readable recording medium are provided. The synchronization method of a UE includes detecting a first synchronization signal from a signal received from a BS, detecting repeatedly receivable one or more synchronization signals after the first synchronization signal is detected, based on each of blocks corresponding to a preset synchronization signal mapping pattern on time-frequency resources, combining the one or more synchronization signals, and establishing synchronization with the BS based on a block corresponding to a highest strength of the combined one or more synchronization signals, among the blocks. |
US10820284B2 |
TBTT synchronization between Wi-Fi access points
In one embodiment, a method is performed. A first wireless access point (AP) device may generate a timing synchronization frame. The timing synchronization frame may include a target beacon transmission time (TBTT) associated with the first wireless AP device. The first wireless AP device may transmit the timing synchronization frame to a second wireless AP device. The first and second wireless AP devices may be synchronized using the timing synchronization frame. |
US10820280B2 |
Method for controlling transmit power of wireless communications terminal, and wireless communications terminal
A method for controlling a transmit power of a terminal, and a terminal, where the method and the terminal include, working states of a first antenna and a second antenna may be monitored, and then a transmit power of the first antenna or that of the second antenna may be controlled according to a preset correspondence. Therefore, according to the method and the terminal, a transmit power of an antenna in a working state in the first antenna and the second antenna may be accurately controlled. If the transmit power is less than a standard transmit power, a Specific Absorption Rate (SAR) can be reduced. |
US10820279B2 |
Power distribution method and apparatus
Disclosed in the present application are a power distribution method and apparatus, used for enabling simultaneous transmission by communication channels using TTI of different lengths by means of controlling the transmission power of the transmission channels respectively using TTI of different lengths to not surpass the permitted maximum transmission power of a device. The method comprises: determining the sum of the transmission powers of an uplink channel using a first TTI length for transmission and of an uplink channel using a second TTI length for transmission in a sub-frame; and when the sum surpasses the permitted maximum transmission power of a device, implementing power distribution according to a predetermined rule, such that the sum does not surpass the permitted maximum transmission power of the device. |
US10820275B2 |
Data communication device and method
The present invention relates to a data communication device and method for recording and transmitting data concerning conditions within or pertaining to a transportation container, such as a controlled environment transportation container. The communication device includes a processor, a memory, a port for receiving the data, a first power source, a communication module operatively coupled to the first power source, and a computer program stored in the memory. The program is operative, when executed on the processor, to store the received data in the memory and to cause the communication module to periodically power on, attempt for a specified time period to establish a network connection, and in the event of a successful connection, communicate data stored in the memory over the network, and to power off. The processor independently operates to switch between sleep and active modes in accordance with a system timer or receipt of data, and to determine whether the communication module is to be activated. |
US10820270B2 |
Preamble detector
A wireless receiver has a preamble detection apparatus and method which waits until the expected arrival of a beacon frame, after which power is cyclically applied during a preamble detection interval and a sleep interval until a preamble is detected. The preamble detector has a first mode with a longer preamble detection interval and a second mode with a shorter preamble detection interval. During the preamble detection interval, power is applied to receiver components, and during the sleep interval, power is not applied. The duration of the preamble detection interval is equal to a preamble sensing interval, and if a preamble is detected, power remains applied to a preamble processor for a preamble processing interval. The duration of the sleep interval is the duration of a long preamble less the sum of two times the preamble detection interval plus the preamble processing interval. Phase lock loop (PLL) power is applied a PLL settling time prior to and during the preamble detection interval. |
US10820266B2 |
Method and device for dynamic and seamless link selection
A disclosed method is performed at an access point including a processor and non-transitory memory. The method includes receiving a request message from a client device, where the request message includes a request for an allocation of a wireless channel for the client device from the access point. The method further includes exchanging candidate and load information with a plurality of other access points. The method additionally includes selecting a preferred access point from the access point and the plurality of other access points based on the candidate and load information exchanged with the plurality of other access points. The method also includes facilitating the allocation of the wireless channel for the client device from the preferred access point. |
US10820263B1 |
Quality of service (QoS) based wireless coverage map
A Quality of Service (QoS) based wireless coverage map may be provided. First, a station may be identified by an Access Point (AP) in a Wireless Local Area Network (WLAN). Next, a report request may be sent by the AP to the station in response to identifying the station. A report may then be received from the station in response to the report request. The report may comprise information. The information may comprise a location of the station and data indicating a strength of a signal from the AP at the station. A map may be created based on the received report. The map may indicate a hole in the coverage of the WLAN. |
US10820262B2 |
Paging method and device
A paging method includes: determining a paging signal to be sent currently for a target cell, wherein the paging signal carries identifiers of terminals to be paged in the target cell, the target cell comprises n scanning areas corresponding to n beam scanning nodes respectively, the n beam scanning nodes are selected by a base station from m beam scanning nodes set for the target cell, the target cell is a cell, to which the paging signal is to be sent; determining a scanning start point of each of the corresponding scanning areas on which the beam scanning is performed by the n beam scanning nodes respectively; and performing beam scanning on the corresponding scanning areas by the n beam scanning nodes respectively so as to send the paging signal to the terminals in the corresponding scanning areas by beam scanning. |
US10820261B1 |
Multi-channel RF system with off-channel scanning
A radiofrequency system includes a plurality of transceivers providing a plurality of channels, and circuitry configured to perform off-channel functions. A first subset of channels performs radiofrequency communication functions, and a second subset of channels provides signals for the off-channel functions. The first subset of channels may be provided by a first subset of transceivers, and the second subset of channels may be provided by a second subset of transceivers. A spectrum sensing unit may select between the first subset of transceivers and the second subset of transceivers. The circuitry configured to perform the off-channel functions may use the second subset of the plurality of channels to perform neighborhood discovery. The circuitry configured to perform the off-channel functions may scan available communications channels for interference, storing identifications of interference-free channels, and, upon detection of interference on a channel in use, may select one of the interference-free channels. |
US10820259B2 |
System for wireless connectivity continuity and quality
Configurations are described for maintaining a continuity and quality of wireless signal connection between a mobile device and systems accessible through the internet. In particular, configurations are disclosed to address the challenge of a mobile device that moves through a physical environment wherein the best wireless connectivity performance is achieved by switching between available connection sources and constantly evaluating a primary connection with other available connections that may be switched in to become a new primary connection. The mobile device may be self-propelled or carried by some other mobilizing means. |
US10820258B2 |
User equipment, base station apparatus, communication method of a user equipment and communication method of a base station apparatus
Method and apparatus use a value tag in conjunction with transmission and/or processing of system information in a wireless communication network, especially in conjunction with second type system information or non-essentially type system information. |
US10820255B2 |
System, method, and apparatus for using alternative numbers for routing voice calls and short messages in a communications network
A system, method and computer-readable medium for allowing the use of an alternative numbering plan for delivering short messages to mobile subscribers using the public mobile telephone network is provided. Users of an enterprise or other closed networks as well as users that are not part of a closed network may send short messages destined to members of an enterprise or closed network from their mobile or other devices associated with their subscription using an alternative enterprise directory number, such as the office number, instead of the mobile number, such that the alternative number will be presented at the destination device as the originating number. The recipient may respond to the message by addressing the response to the enterprise or closed network number, and the response may be delivered to the originator's mobile or other device associated with their subscription. |
US10820254B2 |
Method and apparatus for scheduling in wireless network
The present disclosure relates to a scheduling method and apparatus of a wireless network and a scheduling method of a wireless network is a scheduling method of a wireless network including a plurality of nodes, the method including: generating a broadcast tree to transmit data from a source node to a sink node, dividing nodes included in the broadcast tree into a primary node which does not allow collision and a secondary node which allows collision at the time of receiving data, in accordance with predetermined criteria; and allocating a time slot in which nodes included in the broadcast tree operate, based on the divided result. |
US10820251B2 |
Radio communication systems with integrated location-based measurements for diagnostics and performance optimization
A mobile communication system includes: a first antenna for receiving communication signals; processing circuitry for processing received communication signals; a second antenna for transmitting processed signals. The processing circuitry utilizes at least one configurable setting for processing received communication signals, the configurable setting being adaptable for varying the processing of received communication signals as the system moves through a mobile environment. The processing circuitry configured to: receive, over time, input representing current geographical location of the system; determine whether the system is entering a first geographical zone based on the input representing the current geographical location and path of system; and automatically adapt the configurable setting as the system enters the first geographical zone, wherein adaptation of configurable setting is based on known signal characteristics associated with the received signals from mobile devices in the first geographical zone. |
US10820245B2 |
Method and apparatus for load distribution using heterogeneous radio access technologies in communication system supporting vehicle-to-everything communication
An operation method of a first communication node located in a vehicle may include: performing V2X communication with a second communication node using an original resource according to an original SPS configuration; when a congestion level in the original resource is not less than a predetermined threshold and at least one target base station supporting V2X communication is discovered, generating new SPS configuration to be applied to the serving base station and the at least one target base station by changing original SPS configuration; performing a message transmission and reception procedure with the at least one target base station for delivery of new SPS configuration; and performing V2X communication with the second communication node using first resource scheduled by the serving base station based on new SPS configuration and second resource scheduled by the at least one target base station based on new SPS configuration. |
US10820242B2 |
Reroute network traffic from millimeter-wave link to WLAN transmission
In some examples, a computing device may comprise a processing resource and a memory resource storing machine-readable instructions to cause the processing resource to proactively identify a line-of-sight (LOS) blockage of a network signal transmitted on a millimeter-wave link, and reroute network traffic from the millimeter-wave link to a wireless local area network (WLAN) transmission channel in response to identifying the LOS blockage of the network signal. |
US10820237B2 |
Multi-step reference signal configuration and detection for interference management
Methods, systems, and devices for wireless communications are described. A core network may organize a set of base stations into a set of cell groups, each cell group including one or more base stations, the cell groups being organized based on potential of each base station to cause interference, by downlink transmission, to reception of uplink transmissions at remote base stations. The core network may identify cell group identifications for each cell group and configure the set of base stations with respective cell group identifications so that signals transmitted from individual base stations of each cell group include the respective cell group identification, and so that remote base stations whose uplink transmissions are interfered with can identify the cell group of base stations causing the interference. The number of base stations in a cell group may be iteratively reduced based on identifying the interference. |
US10820231B2 |
Systems and methods for APN based CoS and QoS control for network services
A mobility management node in a wireless network receives message data from an Internet of Things (IoT) device. The mobility management node obtains a non-Internet Protocol (IP) Access Point Name (APN) associated with the message data, and extracts Class of Service (CoS) and/or Quality of Service (QoS) indicators embedded in the non-IP APN. The mobility management node queues and prioritizes the message data, among other message data, based on the extracted CoS and QoS indicators. The mobility management node dequeues and forwards the message data, among the other message data, from the mobility management node to a Service Capability Exposure Function (SCEF) node based on the extracted CoS and QoS indicators. |
US10820229B2 |
Method for providing streaming service and apparatus therefor
The present invention relates to a method for providing a streaming service and an apparatus therefor, the method and apparatus allowing streaming data to be provided by changing into service quality suitable for a busy cell in advance, before a terminal enters the busy cell, so as to prevent sudden changes in image quality when the terminal enters the busy cell, thereby enabling a deterioration, which is recognizable by a user, in the image quality to be minimized and a streaming service to be seamlessly used. |
US10820227B2 |
System and method for multimedia broadcast multicast service (MBMS) counting operation
The various embodiments of the present invention disclose a system and method for Multimedia Broadcast Multicast Service (MBMS) counting operation is described herein. A method for multimedia broadcast multicast service (MBMS) counting operation is disclosed. In an embodiment of the present application, the method comprises of receiving, by an user equipment (UE), an MBMS counting request from a wireless communication network; sending, by the UE, an MBMS counting response on a dedicated path to the network, if the UE is in connected mode; and triggering, by the UE, a random access channel (RACH) procedure for sending the MBMS counting response, if the UE is in idle mode. |
US10820226B2 |
Telecommunications apparatus and method for reporting channel measurements from a terminal
A method of obtaining a virtual measurement result for an inactive channel in a wireless telecommunications system, the system including one or more terminals and a base station providing one or more active channels for communicating wireless signals with the one or more terminals, wherein a channel is inactive if it is not currently provided by the base station for use by the one or more terminals. The method includes: selecting an active channel of the one or more active channels; obtaining a first measurement result based on signals transmitted by the base station on the active channel: and deriving a virtual measurement result for the inactive channel from the first measurement result, thereby obtaining a virtual measurement result for the inactive channel. |
US10820223B2 |
Terminal device, base station device, communication method, and integrated circuit
A terminal device, a base station device, a communication method, and an integrated circuit are provided for efficiently performing measurements. A base station device notifies a terminal device of a report configuration including information about an RSSI report, a measurement object indicating at least one frequency assumed as a frequency applicable for an RSSI measurement by the terminal device, and a measurement identifier for linking the report configuration to the measurement object. In a case where the information about the RSSI report is included in a report configuration associated with a measurement identifier, the terminal device assumes at least one frequency indicated by the measurement object associated with the report configuration as the frequency applicable for the RSSI measurement. In a case where at least one frequency to be reported is present, the terminal device reports an RSSI result measured at such an associated frequency, as a measurement result. |
US10820212B2 |
System and method for partitioned wireless telecommunication network deployment
A system and method for intelligently partitioning a virtualized wireless telecommunication network that algorithmically identifies a desirably efficient partitioning scheme such as to desirably enhance at least one of performance, latency, processing efficiency, error detection and management, error propagation and confinement of errors and cost effectiveness of the wireless network is disclosed. A system and method provides for intelligently partitioning a virtualized wireless telecommunication network that desirably provides for deployment of virtualized network functions using micro containers using software defined networking (SDN), and to desirably reduce propagation and impact of failure or errors in one partition of the wireless network. A method provides for partitioning a virtualized wireless telecommunication network comprising deployment of virtualized network functions on micro containers using SDN to dynamically provide an entire wireless telecommunication core network system, such as a Long Term Evolution (LTE) Evolved Packet Core (EPC) network system. |
US10820211B1 |
Spectrum band transition management system
Systems and methods are described for managing usage of wireless network equipment in a spectrum band that is in the process of being cleared. A regulatory agency may repurpose spectrum bands and define a transition period during which current or former licensees must vacate the band. A new licensee may begin using the spectrum band subject to various regulations in effect during the transition period, such as a requirement that the new licensee not interfere with current or former licensees that have not yet vacated. A spectrum band transition management system may thus be used to manage wireless network equipment and spectrum usage during the transition period. The spectrum band transition management system allows the new licensee to track potential interference sources and their vacate dates, mitigate interference sent and received during the transition period, and engineer a network that makes efficient use of spectrum during and after the transition. |
US10820209B2 |
Licensed-assisted access (LAA) in a C-RAN
Embodiments of a C-RAN are disclosed that support using Licensed-Assisted Access (LAA) deliver Long-Term Evolution (LTE) wireless service using unlicensed radio frequency (RF) spectrum. |
US10820208B2 |
Sounding reference signal scheduling method, sounding reference signal sending method, and apparatuses thereof
Embodiments of this application disclose a sounding reference signal scheduling method, a sounding reference signal sending method, and apparatuses thereof. The sounding reference signal scheduling method comprises: determining an available carrier in an unlicensed spectrum; and in response to the existing available carrier, sending, at least on the available carrier, a physical indication signal, wherein the physical indication signal comprises information related to scheduling of a sounding reference signal of at least one user equipment, and the physical indication signal is used at least to trigger the at least one user equipment to send a sounding reference signal. According to the methods and apparatuses in the embodiments of this application, scheduling information is placed in a physical indication signal that occupies an available carrier; therefore, a sounding reference signal can be scheduled more flexibly. |
US10820201B1 |
Providing secure access for automatically on-boarded subscribers in Wi-Fi networks
A default pre-shared key is provided from a first device to a second device. The first device is configured to control network access to a network. A first authentication request is obtained at the first device from a third device. The first authentication request includes data indicative of the second device. A first response to the first authentication request is provided from the first device to the third device. The first response includes the default pre-shared key. A second authentication request containing a private pre-shared key and the data indicative of the second device is obtained at the first device from the third device. Stored data at the first device is updated in response to the second authentication request with the private pre-shared key and the data indicative of the second device to provision the first device to provide network access to the network to the second device. |
US10820198B2 |
Providing low risk exceptional access with verification of device possession
A method and system for providing unencrypted access to encrypted data that may be stored on a device, sent as a message, or sent as a real-time communications stream. The method may include using public key cryptography to securely enable accessing the encrypted data stored on a device or communicated by a device. For instance, the method may include using a device vendor's public key to securely enable that vendor to enable only authorized parties to themselves decrypt previously-encrypted device storage, messages, or real-time communications streams. As an added layer of cybersecurity, the method may include a proof of possession verification process that authenticates the identity of an authorized party before any decryption data is provided. |
US10820194B2 |
Systems and methods for securing access to computing resources by an endpoint device
Systems and methods for securing web-based services of a subscriber include: identifying an access attempt by an agentless endpoint device to access web-based services of a subscriber; transmitting by the remote security service a security prompt to a third-party web browser operating on the agentless endpoint device; activating at the agentless endpoint device a non-agent security application hosted locally on the agentless endpoint device in response to the security prompt; obtaining by the non-agent security application device health data relating to one or more attributes of the agentless endpoint device; computing by the remote computer security service a health state of the agentless endpoint device based on the assessment of the device health data; and enforcing an access policy of the subscriber by denying or enabling access to the web-based services of the subscriber by the agentless endpoint device based on the computed health state. |
US10820189B2 |
Installation of a profile in an embedded subscriber identity module
A control method and associated devices in an embedded subscriber identity module (eUICC1) co-operating with a terminal (T) includes operations for: receiving identifiers (ID) of services associated with a communications profile (P) to be executed when the profile is in the active state; determining whether each service (S) is supported by an operating system (OS1) of the embedded subscriber identity module (eUICC1), and if not, sending a request to update the operating system (OS1); installing the update enabling the operating system to run the communications profile (P); and sending a request to receive or to continue receiving the communications profile (P) for installing in the embedded subscriber identity module (eUICC1). Also described is a control method performed by a profile provisioning server for supplying the embedded subscriber identity module (eUICC1) with the service identifiers. |
US10820176B2 |
Remote user equipment assessment for network connection provisioning
Concepts and technologies of remote user equipment assessment for network connection provisioning are provided herein. In an embodiment, a method can include receiving, by a server from a network connection client executing on a user equipment, a network connection request to authorize connection to a network. The method can also include determining, by the server, whether the user equipment can support communication via an internet protocol-based advanced service of the network. In response to determining that the user equipment can support communication with an internet protocol-based advanced service of the network, the method can further include authorizing, by the server, a network connection for the user equipment while prohibiting the user equipment from using the internet protocol-based advanced service during the network connection. |
US10820175B2 |
Vehicle communication with ant-sized radio devices
A computer that is programmed to: receive a request from a communication module in a vehicle to communicate with an ant-sized radio (ASR) device in the vehicle; in response to the request, concurrently steer two different radio frequency (RF) beams onto the ASR device; and based on steering the beams: transmit an instruction to the ASR device, or provide sensor data received from the ASR device to the module. |
US10820171B2 |
System and method for identifying transition points in a retail facility
In some embodiments, apparatuses and methods are provided herein useful to updating an inventory database. In some embodiments, a system for updating an inventory database comprises an array of RFID readers positioned at different locations about the retail facility, where the RFID readers are configured to read RFID tags associated with products, and a control circuit, the control circuit configured to receive, from one or more RFID readers, identifiers, wherein the identifiers are associated with the RFID tags, determine, based on the identifiers, a flow of RFID tags, identify, without reference to a structural map of the retail facility, a transition point from the stockroom to the sales floor, determine, based on an RFID read, that a product has passed through the transition point from the stockroom to the sales floor, and update the inventory database to indicate that the product is located on the sales floor. |
US10820170B1 |
Time offset based synchronization in mobile device localization
A method and system of time-offset based synchronization for mobile device indoor navigation and positioning. The method, executed in a processor of a server computing device, comprises receiving, at a set of fixed nodes, a wireless signal transmission from a moving node; deriving a time difference of flight (TDOF) offset amongst the set of fixed nodes and the moving node; and localizing the moving node at a given time based at least in part on the TDOF offset. |
US10820166B1 |
Systems and methods for obtaining location intelligence
System, methods, and other embodiments described herein relate to location intelligence. In one embodiment, a method of obtaining location intelligence includes receiving a plurality of datasets from a plurality of vehicles, the datasets being associated with a same geographical location and respectively including at least vehicle descriptive information that describes one or more aspects of the respective vehicles and feature data that indicates a status of at least one respective feature of the respective vehicles, combining the plurality of datasets to form a location tensor associated with the geographical location, extracting, from the location tensor, an embedding that indicates information contained in the location tensor, and storing the embedding in a database in association with the geographical location. |
US10820165B2 |
Systems and methods for controlling personal communications
A method for using a mobile software application for deleting or recalling unwanted messages on a mobile device before it is delivered to the intended recipient is provided. The software application operates by running on top of the resident messaging application on the mobile device. For example, the application caches the message for specified amount of time and thereby sets a length of delay. The user has the application on the mobile device and the message is composed on the OST application and the application software keeps the message in a buffer for a predetermined amount of time after the user selects to send the message such that if the user regrets sending the message, it can be deleted or recalled before the message leaves the mobile device. Other advantages that are understood from the present disclosure will further be apparent. |
US10820160B1 |
HF positioning via smoothing of ionospheric undulations
A system and method for HF positioning characterizes the undulations of the ionosphere in real-time to determine the refraction altitude of a specific HF frequency at a specific time of day at a specific position. The system accounts for the seasonal (summer, winter) and daily (daylight, night, grey-line transition) variations of the ionosphere determining a highly accurate timing error relative to a timing reference. The system employs a novel approach that is capable of passively and accurately determining a position anywhere in the world without use of a GNSS signal receiving known-time transmissions of narrow band HF timing signals refracted via ionospheric skywave. |
US10820155B2 |
Method and device for position-based service
The present disclosure relates to technology for a sensor network, machine to machine (M2M) communication, machine type communication (MTC), and the Internet of Things (IoT). The present disclosure can be utilized in intelligent services (such as smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail business, security and safety-related services) based on the technology. The present disclosure relates to a method for a terminal for a position-based service, comprising the steps of: detecting a first signal related to a position of the position-based service in a first mode of scanning the first signal; and determining whether to switch to a second mode of transmitting a second signal related to a position of the terminal according to second mode related information included in the first signal. |
US10820152B2 |
Device diversity correction method for RSS-based precise location tracking
A computer-implemented method includes acquiring a plurality of received signal strength indicators obtained by a target wireless terminal which observes a plurality of wireless signals transmitted from a plurality of transmitters, selecting a set of received signal strength indicators which is a portion of the plurality of received signal strength indicators, acquiring a set of reference received signal strength indicators corresponding to the set of received signal strength indicators, from a database of a plurality of reference received signal strength indicators that serve as a reference for the plurality of received signal strength indicators, and estimating a received signal strength indicator offset of the target wireless terminal, based on the set of received signal strength indicators and the set of reference received signal strength indicators. |
US10820150B2 |
Enhanced mobile base station
Systems and methods for an in-vehicle base station are described. In one embodiment, a mobile base station is disclosed comprising a first access radio for providing an access network inside and outside a vehicle; a second backhaul radio for providing a backhaul connection to a macro cell; and a global positioning system (GPS) module for determining a location of the mobile base station, and for transmitting the location of the mobile base station to a core network, wherein a transmit power of the first access radio is configured to increase or decrease based on a speed of the vehicle. |
US10820142B2 |
Distributing an application to portable communication devices
A communication server and a method of operating for distributing an application to a plurality of portable communication devices in response to a public safety event. The communication server includes an electronic processor that determines an incident area that geographically surrounds a location of the public safety event, and determines a desired number and desired roles of personnel to respond to the public safety event. The electronic processor also determines whether portable communication devices are located within the incident area. The electronic processor then automatically transmits the application to portable communication devices located within the incident area and associated with the desired roles of personnel until the application is installed on a number of portable communication devices that equals the desired number of personnel for each role. |
US10820137B1 |
Method to determine whether device location indicates person location
Techniques are disclosed to predict whether a current location of a mobile device corresponds to a user of that mobile device. To do so, the mobile device may evaluate information from sensors that indicate a current state of the device or device surroundings. Based on the probability, the mobile device may send the current location and the probability to a user of the mobile device, an application on the device, or another party. |
US10820136B2 |
System and method for preconditioning audio signal for 3D audio virtualization using loudspeakers
The methods and apparatus described herein provides technical solutions to the technical problems facing crosstalk cancellation for 3D audio virtualization. One technical solution includes preconditioning audio signals based on crosstalk canceller characteristics and based on characteristics of sound sources at intended locations in 3D space. To provide these technical solutions, the systems and methods described herein include an audio virtualizer and an audio preconditioner. In particular, the audio virtualizer includes a crosstalk canceller, and the audio preconditioner preconditions audio signals based on characteristics of a crosstalk cancellation system and based on characteristics of a binaural synthesis system or intended input source location in space. This solution improves the overall accuracy of virtualization of 3D sound sources and reduces or eliminates audio artifacts such as incorrect localization, inter-channel sound level imbalance, or a sound level that is higher or lower than intended. |
US10820133B2 |
Methods and systems for extracting location-diffused sound
An exemplary sound extraction system generates an averaged set of audio signals by averaging values derived from different audio signals. For example, the sound extraction system generates an averaged set of audio signals by averaging values derived from a first set of audio signals captured at a particular location with respect to a capture zone, and values derived from a second set of audio signals captured at different locations with respect to the capture zone. Based on the averaged set of audio signals, the sound extraction system generates a location-diffused signal representative of sound in the capture zone. Corresponding systems and methods are also disclosed. |
US10820132B2 |
Voice providing device and voice providing method
A voice providing method includes obtaining position information from a voice reproducing device, and performing processing, in a case in which a first position of obtained position information and a second position of a virtual talker are in a predetermined relationship, to cause the voice reproducing device to reproduce voice for the virtual talker to have a dialogue with a user with content according to the user. |
US10820131B1 |
Method and system for creating binaural immersive audio for an audiovisual content
A method and system for creating binaural immersive audio for an audiovisual content. The method includes steps of receiving the video and the audio; selecting at least one frame of the video; analyzing the selected frame of the video to identify audio contributing object within the frame; analyzing at least one portion of the audio; associating the analyzed audio with the corresponding identified audio contributing object within the frame; using the association to generate the binaural audio for the audiovisual content. |
US10820124B2 |
Suspension assembly for hearing aid receiver
A suspension assembly for a hearing aid receiver is described in which the receiver is contained within a receiver can. A cover assembly may be provided for covering the open top end of the receiver can and for containing the receiver's spout when the receiver is mounted within the receiver can. To dampen or reduce the transmission of receiver vibrations within the receiver can, a spout seal and corner bumpers may also be provided. |
US10820120B2 |
Distributed audio capture and mixing controlling
An apparatus for identifying which sound sources are associated with which microphone audio signals, the apparatus including a processor configured to: determine/receive a position/orientation of at least one sound source relative to a microphone array; receive at least one microphone audio signal, each microphone audio signal received from a microphone; receive an audio-focussed audio signal from the microphone array, wherein the audio-focussed audio signal is directed from the microphone array towards the one of the at least one sound source so as to enhance the audio-focussed audio signal; compare the audio-focussed audio signal against each microphone audio signal to identify a match between one of the at least one microphone audio signal and the audio focussed audio signal; and associate the one of the at least one microphone with the at least one sound source, based on the identified match. |
US10820115B2 |
Speaker
Provided is a speaker including: a holder having a receiving space; a vibration unit received in the receiving space; and a magnetic circuit unit received in the receiving space and configured to drive the vibration unit to vibrate and sound, the magnetic circuit unit comprising a magnetic frame and a magnet received in the magnetic frame. The magnetic frame includes: a bottom wall connected to the magnet; a sidewall formed by extending from the bottom wall while being bent the vibration unit; and a leakage hole penetrating through the magnetic frame. The leakage hole is provided at a position where the bottom wall and the sidewall are connected and is in communication with the receiving space, and the leakage hole comprises a first portion penetrating through the bottom wall and a second portion penetrating through the sidewall, the first portion and the second portion being in communication with each other. |
US10820112B2 |
Speaker
The speaker of the present invention comprises a frame, a vibration system and a magnetic circuit system. The vibration system comprises a diaphragm and a voice coil assembly for driving the vibration of the diaphragm for generating sound, the diaphragm is located on the frame, and the voice coil assembly is connected with the diaphragm and the magnetic circuit system includes a first clamping plate, a yoke, and a main magnetic and a sub magnetic disposed in the yoke. Wherein the bonding portion of the first clamping plate and the sub magnetic is provided with an adhesive groove recessed from the bonding portion away from the sub magnetic. When the first clamping plate is bonded to the sub magnetic, the glue is filled between the first clamping plate and the sub magnetic and filled in the adhesive groove. |
US10820109B2 |
Diaphragm arrangement for a planar dynamic sound transducer, and methods to produce therefor
A planar dynamic sound transducer includes a magnet arrangement which for example comprises bar magnets and a fixing frame, and a diaphragm arrangement. The diaphragm arrangement has a tensioned diaphragm film (diaphragm for short), a tensioning device for the diaphragm, and a conductor structure applied to the diaphragm. When the conductor structure is conventionally provided with electrical connections mechanically sensitive connections and/or high transfer resistances often occur. An improved diaphragm arrangement for a planar dynamic sound transducer includes a support frame having at least one contacting surface, and a diaphragm tensioned on the support frame, and which at least one electrically conductive conductor track is applied by coating. At least one end of the conductor track applied by coating extends on to the contacting surface of the support frame. The connecting line can be connected to the contacting surface of the support frame by way of a solder join. |
US10820105B2 |
Speaker
The present disclosure provides a speaker having a lower magnetic conductive plate for carrying a magnet thereon and an upper magnetic conductive plate engaging with the lower magnetic conductive plate. The lower magnetic conductive plate includes a first oblique portion and a first horizontal portion for increasing an outer diameter of the lower magnetic conductive plate. The upper magnetic conductive plate includes a second oblique portion and a second horizontal portion both for increasing an outer diameter of the upper magnetic conductive plate. The lower and upper magnetic conductive plates cooperatively form a receiving space for accommodating a suspension to support a coil assembly. The lower magnetic conductive plate further includes a protruding portion extending perpendicularly from a middle portion of the bottom for carrying the magnet. The suspension is used for supporting the coil assembly for providing balanced vibration to the diaphragm. |
US10820104B2 |
Diaphragm, a sound generator, a hearing device and a method
A diaphragm with a hinge portion and a drive portion and a plurality of oblong frame portions between the hinge portion and drive portion. The oblong frame portions are able to vibrate independently of each other and may have different resonance frequencies. |
US10820103B1 |
Sound system
A sound system is shown in the form of a speaker with or without a speaker box. A front member may be used with an elongate open portion with a top end and a bottom end and a speaker support with the speaker mounted to the speaker support. The speaker support may be coupled to the front member with a front of the speaker facing the front member and the front of the speaker substantially aligned with the bottom end of the elongate open portion. The bottom end of the elongate open portion may be positioned adjacent to a lower portion of the back of the torso of a user and the top end of the open portion is positioned higher near the back of the torso of the user. This combination may be used in a backpack, a chair or any other similar device. |
US10820096B2 |
Audio circuitry
Audio circuitry, comprising: a speaker driver operable to drive a speaker based on a speaker signal; a current monitoring unit operable to monitor a speaker current flowing through the speaker and generate a monitor signal indicative of that current; and a microphone signal generator operable, when external sound is incident on the speaker, to generate a microphone signal representative of the external sound based on the monitor signal and the speaker signal. |
US10820093B2 |
Sound collecting terminal, sound providing terminal, sound data processing server, and sound data processing system using the same
Disclosed is a sound data processing system including a plurality of sound collecting terminals and a server. Each of the plurality of sound collecting terminals includes: a sound collecting means that collects a sound and has an orientation direction, and a communication module that transmits sound data corresponding to the sound collected by the sound collecting means and supplementary data including position data of a position of a corresponding sound collecting terminal and orientation direction data corresponding to the orientation direction of the sound collecting means via a network. The server receives the sound data and the supplementary data transmitted by the plurality of sound collecting terminals through the network and determines a position of a source that emits the sound collected by the sound collecting means on the basis of the sound data and the supplementary data. |
US10820087B2 |
Wireless audio source switching
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for wireless audio source switching. One of the methods includes receiving user input selecting a user interface control corresponding to one of a plurality of paired audio source devices with a wireless audio sink device that is a slave device of a first master/slave connection with a first paired audio source device of the plurality of paired audio source devices. The wireless audio sink device initiates a request to become a master device of a second master/slave connection with a second paired audio source device corresponding to the selected user interface control. The wireless audio sink device sends to the second paired audio source device a request to become a slave device of the second master/slave connection. The wireless audio sink device receives audio input from the second paired audio source device and outputs the received audio input. |
US10820086B2 |
Audio eyeglasses with gesture control
Various aspects include audio eyeglasses and methods for controlling audio eyeglasses. In some particular implementations, a method of controlling audio eyeglasses is disclosed. The method can include: detecting a reorient-and-hold gesture on the audio eyeglasses; initiating a timer in response to detecting the reorient-and-hold gesture; and in response to the timer exceeding a threshold period with the reorient-and-hold gesture maintained, powering off the audio eyeglasses. |
US10820084B2 |
Ear tip sealing structure
Aspects describe an earpiece with structure for positioning and retaining the earpiece and with structure for sealing against the entrance to the ear canal. According to aspects, the retaining structure has at least one substantially elliptical leg configured to follow the curve of the anti-helix and/or the cymba concha at the rear of the concha. The leg increases in thickness from a tip of the earpiece towards the body of the earpiece. The sealing structure is substantially frusto-conical and extends from a nozzle. The nozzle is angled to align with ear geometry. In an example, he sealing structure has a slight radius on an outer surface of the sealing structure. In another example, the sealing structure has a substantially constant thickness from the nozzle to the wide end of the sealing structure. |
US10820082B2 |
Display apparatus
A display apparatus includes a display panel configured to display an image, and a sound generating device on a rear surface of the display panel and configured to vibrate the display panel to generate sound, wherein the sound generating device includes a plate, a magnet and a center pole on the plate, and an oval-shaped bobbin around the center pole. |
US10820081B1 |
System and method for speaker mounting
A speaker mounting system having a driver housing and a plurality of clamping assemblies is disclosed. The driver housing includes a face surrounded by a flange, a driver and a central axis. The clamping assemblies are coupled to the driver housing, each including an enclosure, a dog ear, an actuator, and a biasing element. Each dog ear has a core, a threading, and an arm, is rotatably coupled to the enclosure along a first axis, and slideable along a path. Each actuator has a body and a threading, and is rotatably coupled to the enclosure along a second axis. Each biasing element biases the dog ear towards the face. Each clamping assembly is movable between a hidden configuration, an extended configuration, and a tightened configuration. The speaker mounting system may also include a powered rough-in assembly having a mounting frame and a wiring block with two terminals and two wires. |
US10820079B2 |
Head mounted display device
A head mounted display device including a main body, a fixing part, a plurality of speakers and at least one actuator is provided. The main body has a display and a base, and the display and the base are in contact with each other. The fixing part is coupled to the main body and forms an accommodation zone with the base. The speakers are respectively disposed on a plurality of positions of the base and the fixing part. The actuator is disposed on the fixing part. |
US10820078B2 |
Speaker box
The speaker box provided by the present disclosure includes a housing with an accommodation space and a speaker in the accommodation space. The speaker includes a diaphragm for radiating sound. The housing includes a ring-shaped step for fixing the speaker. The step further forms a fastening slot for fixing the speaker. The stop further includes a number of recesses extending from a surface toward the fastening slot along a direction away from the fastening slot. BY virtue of the recesses, without changing the vibration space, the acoustic capacitor of the front cavity is increased, and the harmonic peak is lowered. Acoustic performance is accordingly improved. |
US10820076B2 |
Sound output device
A sound output device includes: a speaker unit that has a sound emitting portion; an attaching member by which the speaker unit is attached to an object; a separating member that is provided between the speaker unit and the attaching member to separate the speaker unit from the attaching member; and a sealing member that is provided between the speaker unit and the attaching member to reduce a sound that is emitted from a side of the speaker unit opposite to the sound emitting portion and is transmitted to a sound emitting portion side. The attaching member has a first portion on a side of the sound emitting portion of the speaker unit, and the first portion of the attaching member has an opening that corresponds to the sound emitting portion. |
US10820075B2 |
Sound generator includes a front cover with glue slot and positioning hole communicating each other
The present invention provides a sound generator. The sound generator of the present disclosure is characterized in that the front cover hollows to form the glue slot which is around and communicated with the positioning holes. After being filled into the glue slot, the glue flows into the gap between the melting point posts and the positioning holes for filling. Therefore the horizontal sway of the front cover is reduced and even avoided, and then the front cover is fixed stably. At the same time, with the gap, the glue can flow to the position between the frame and the front cover, which increases the fixing strength and stability between the front cover and the frame with the melting points as well as the tensile property of the front cover, and therefore the acoustic stability of the sound generator is further optimized. |
US10820073B2 |
Speaker box
The present disclosure relates to a speaker box. The speaker box includes a housing having a top wall, and a sounding unit accommodated in the housing. The sounding unit includes a diaphragm, which together with the top wall are disposed with a spacing therebetween to form a front acoustic cavity. The speaker box further includes a sound guiding channel. The front acoustic cavity and the sound guiding channel together constitute a front chamber of the speaker box. At least two first through-holes disposed with a spacing therebetween are provided in a region of the top wall corresponding to the front chamber. The speaker box further includes a cover plate provided on the top wall. The cover plate includes hard sheets covering the first through-holes and a soft rubber fixing portion, which surrounds and spaces the hard sheets from the top wall, and is fixedly connected with the top wall. |
US10820068B2 |
Configurable sensing systems and methods for configuration
A sensor system can include a sensor configured to output raw sensor data, a plurality of processing modules configured to process the raw sensor data from the sensor to output processed sensor data, a state module for each processing module operative to cause a respective processing module to receive and/or process the sensor data, and a control module configured to receive a bitmask and to operate each state module based on the bitmask to control which processing modules process the sensor data and/or an order of processing. The bitmask can include a plurality of discrete bits. Each state module and/or processing module can be associated with at least one discrete bit. |
US10820055B2 |
Method and system for displaying a menu which has an icon and additional information corresponding to stored image data, wherein the icon can display the image data with the additional information
A menu displaying system and method having an icon for editing image data in an AV (Audio and Video) device, the AV device having a recording medium capable of storing image data and audio data, and which is capable of reproducing image data and audio data. The method comprises steps for displaying icons and additional information corresponding to the image data stored at the recording medium, selecting one of the icons displayed, and reproducing image data corresponding to the selected icon. A corresponding program stored at the AV device having a recording media such as a hard disc drive, is then reproduced upon a menu screen such that image data stored at the AV device can be easily observed. |
US10820049B2 |
Techniques for audience analysis using automated content recognition and identity management
The present disclosure relates generally to media content distribution, and more particularly to audience analysis using automated content recognition and identity management. In certain embodiments, a targeting system is provided for generating and presenting a user interface to assist an administrator in targeting particular users. For example, a user interface (referred to as an audience explorer) may be presented that allows the administrator to select one or more categories of users. For another example, a user interface (referred to as a genre explorer) may be presented to that allows the administrator to select a particular media category. For another example, a user interface (referred to as a show explorer) may be presented that allows the administrator to select a particular media segment. For another example, a user interface (referred to as a station explorer) may be presented that allows the administrator to select a particular content stream. |
US10820045B2 |
Method and system for video stream personalization
A method and system for video stream personalization. A personalization policy may be accessed. The personalization policy may include an image identification and an image alteration to a video image identified by the image identification. At least one instance of the video image may be identified in a video stream. An output stream may be produced from the video stream in response to the personalization policy. The output stream may include the image alteration to the video image. |
US10820040B2 |
Television time shifting control method, system and computer-readable storage medium
Disclosed are a television time shifting control method, a television time shifting control system and a computer-readable storage medium. The television time shifting control method, applied to the television time shifting control system, includes the steps as follows: acquiring a captured picture of a preset area via the camera module, and sending the picture to the recognition module by the television; acquiring picture information of the picture using a preset algorithm by the recognition module; sending a control instruction to the time shifting control module based on the picture information by the recognition module; and performing time shifting control according to the control instruction by the time shifting control module. The present disclosure simplifies the time shifting function, and improves user's viewing experience. |
US10820038B2 |
Method and apparatus for augmenting media services
A system that incorporates teachings of the present disclosure may include, for example, a media processor that includes a memory and a controller coupled to the memory. The controller can be programmed to receive media content from a set top box where the set top box is a separate device from the media processor and where the media content includes video content. The controller can also be programmed to receive supplemental content from a mobile communication device where the supplemental content is based on reading of a two dimensional bar code by the mobile communication device, and where the supplemental content comprises an image. The controller can further be programmed to generate augmented content by overlaying the supplemental content with the media content and to provide the augmented content to a display device for presentation. |
US10820037B2 |
Systems and methods for customizing a display of information associated with a media asset
Systems and methods are described for customizing a display of media asset information based on a user preference profile. In particular, media asset description information is customized by changing a term to a synonym that matches an event or keyword in the user preference profile. |
US10820023B2 |
Remotely generated encoding metadata for local content encoding
Embodiments are directed towards remotely generating encoding metadata at a remote content distributor for use by a local user computing device. The remote content distributor receives and encodes content. During or after the encoding process, the remote content distributor generates encoding metadata that indicates how the content was encoded by the remote content distributor. The remote content distributor provides the encoding metadata to the user computer device. The user computing device receives the content and the encoding metadata and encodes the content based on the encoding metadata. The user computing device can then provide the encoded content to another computing device for decoding and presentation to a user. |
US10820020B2 |
Advanced preparation for content revision based on expected latency in obtaining new content
When a media client is receiving a media stream, the media client determines an upcoming time point at which the media client is to perform a content revision involving insertion (e.g., substitution or overlaying) of new content. The media client further determines an advanced time point when the media client should initiate a process of acquiring the new content, setting the advanced time point sufficiently in advance of the upcoming content-revision time point to enable the media client to obtain at least enough of the new content to be able to start the content revision on time. In an example implementation, the media client could determine the advanced time point by predicting how long the content-acquisition process will take, based on consideration of past instances of content acquisition, possibly correlated with operational factors such as content source, processor load, memory load, network speed, and time of day. |
US10820016B2 |
Encoding and decoding method and device for data compression
Provided is an encoding and decoding method and device for data compression. The encoding method includes: adaptively selecting a constrained string mode from a plurality of preset constrained string modes; and performing, according to the selected constrained string mode, string-matching encoding on a coding block to obtain information of a constrained string encoded in the selected constrained string mode and to obtain a bitstream of a syntax element of the constrained string encoded in the selected constrained string mode. |
US10820015B2 |
Method and apparatus for intra prediction coding with boundary filtering control
A method and apparatus for Intra prediction coding in multi-view video coding, three-dimensional video coding, or screen content video coding are disclosed. A first filtering-disable-flag associated with a high-level video data is determined to indicate whether to disable at least one filter from a filter group. If the first filtering-disable-flag is asserted, one or more selected Intra prediction modes from an Intra prediction mode group is determined, and at least one filter from the filter group for the current block is skipped if the current Intra prediction mode of the current block belongs to the selected Intra prediction modes. The system may further determine a second filtering-disable-flag associated with a low-level video data corresponding to a current block level or a higher level than the current block level to disable said at least one filter from a filter group for the low-level video data. |
US10820005B2 |
Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
An image coding method includes: writing, into a sequence parameter set, buffer description defining information for defining a plurality of buffer descriptions; selecting one of the buffer descriptions for each processing unit that is a picture or a slice, and writing buffer description selecting information for specifying the selected buffer description, into a first header of the processing unit which is included in the coded bitstream; and coding the processing unit using the selected buffer description, and the buffer description defining information includes long-term information for identifying, among a plurality of reference pictures indicated in the buffer descriptions, a reference picture to be assigned as a long-term reference picture. |
US10819999B2 |
Intra-frame prediction method and apparatus
A method for decoding an intra-frame prediction mode includes determining a first mode set comprising intra-frame prediction modes of available neighborhood reconstruction units in preset positions of the current to-be-decoded unit and at least one non-directional prediction mode, and parsing the bitstream to obtain a second identifier used to indicate a candidate intra-frame prediction mode in the first mode set that is used as the intra-frame prediction mode of the current to-be-decoded unit, and a codeword length of the second identifier indicating one of the at least one non-directional prediction mode as the intra-frame prediction mode of the current to-be-decoded unit is not less than a codeword length of any second identifier indicating an intra-frame prediction mode of an available neighborhood reconstruction unit in a preset position of the current to-be-decoded unit as the intra-frame prediction mode of the current to-be-decoded unit. |
US10819996B2 |
Technologies for increasing reporting granularity of media rendering data transfers
Technologies for increasing the reporting granularity of media render data transfers includes determining an estimated amount of transferred media data transferred by a direct memory access (DMA) controller of a compute device to a render link based on an elapsed time since the initiation of the rendering process and a data transfer rate of the render link. In some embodiments, an error value indicative of a difference between the estimated amount of transferred media data and a reported amount of transferred media data by the DMA controller is determined. If the error value fails to satisfy a threshold error value, the estimated amount of transferred media data may be determined based on a mean error value of previously determined estimated amount of transferred media data. |
US10819993B2 |
Methods and apparatuses for performing encoding and decoding on image
Provided is a computer-recordable recording medium having stored thereon a video file including artificial intelligence (AI) encoding data, wherein the AI encoding data includes: image data including encoding information of a low resolution image generated by AI down-scaling a high resolution image; and AI data about AI up-scaling of the low resolution image reconstructed according to the image data, wherein the AI data includes: AI target data indicating whether AI up-scaling is to be applied to at least one frame; and AI supplementary data about up-scaling deep neural network (DNN) information used for AI up-scaling of the at least one frame from among a plurality of pieces of pre-set default DNN configuration information, when AI up-scaling is applied to the at least one frame. |
US10819982B2 |
Entropy coding supporting mode switching
A decoder for decoding a data stream into which media data is coded has a mode switch configured to activate a low-complexity mode or a high-efficiency mode depending on the data stream, an entropy decoding engine configured to retrieve each symbol of a sequence of symbols by entropy decoding using a selected one of a plurality of entropy decoding schemes, a desymbolizer configured to desymbolize the sequence of symbols to obtain a sequence of syntax elements, a reconstructor configured to reconstruct the media data based on the sequence of syntax elements, selection depending on the activated low-complexity mode or the high-efficiency mode. In another aspect, a desymbolizer is configured to perform desymbolization such that the control parameter varies in accordance with the data stream at a first rate in case of the high-efficiency mode being activated and the control parameter is constant irrespective of the data stream or changes depending on the data stream, but at a second lower rate in case of the low-complexity mode being activated. |
US10819980B2 |
Moving image coding device, moving image decoding device, and program
A moving image encoding device that performs encoding by converting and quantizing a prediction residual difference obtained by applying an interframe prediction or an intraframe prediction to each encoding tree block, which is a divided unit of a frame given by means of equirectangular projection, for each encoding block, includes: a calculation unit that calculates a quantization parameter to be applied to the encoding block on the basis of a pixel value of a pre-coding block and a position in the frame; a prediction unit that obtains a prediction value by predicting the quantization parameter on the basis of a quantization parameter of a left neighboring, and upper neighboring block of the encoding block, or an already encoded block; and a correction unit that corrects the prediction value and obtains a correction value when a condition is satisfied where the encoding block is positioned at a left end of the frame. |
US10819975B2 |
System and method for displaying a 2 point sight autostereoscopic image on an nos point self-esistical display screen and processing display control on such display screen
The invention relates to displaying an autostereoscopic image of two viewpoints, each formed of strips of subpixels, called image strips, on an autostereoscopic display screen configured to display N viewpoints, N being greater than or equal to 3. The method includes detecting the position of a privileged observer relative to the screen; determining, for each eye of the observer, strips of the screen visible by the eye at the detected position; determining, for each eye of the observer, strips that are not visible by either of the two eyes at the position; an assignment to the subpixels, of the visible strips of the screen for each eye, of subpixels corresponding to the image strip of the corresponding eye; an assignment to the subpixels, of the non-visible strips of the screen, of subpixels corresponding to safety viewpoints constructed from subpixels of the image strips. |
US10819974B2 |
Image data transmission apparatus, image data transmission method, image data reception apparatus, image data reception method, and image data transmission and reception system
An apparatus may include a control unit to determine whether a display state notification indicating a dimensional display process exists. The control unit may set an output form of display data to be displayed on image data to an output form corresponding to a display state indicated by the display state notification. |
US10819973B2 |
Single-panel head-mounted display
Disclosed herein are head-mounted displays comprising a display screen and an optics block. The optics block is configured to present, at a time instant, to a left eye of a user of the head-mounted display apparatus, a first shifted version all of an image generated by the display screen. The first shifted version of the image has a first perceived center location that differs from the center of the display screen. The optics block is also configured to present, at the time instant, to a right eye of the user of the head-mounted display apparatus, a second shifted version of the image generated by the display screen, the second shifted version of the image having a second perceived center location that differs from the center of the display screen and that differs from the first perceived center location. |
US10819968B2 |
Neural network based patch blending for immersive video
Embodiments are generally directed to neural network based patch blending for immersive video. An embodiment of a system includes one or more processor cores; a memory to store data for images in immersive video; and a neural network training framework. The neural network training framework is to generate a trained neural network for blending of a view of an object with patches generated for one or more detected occlusions for the object. |
US10819967B2 |
Methods and systems for creating a volumetric representation of a real-world event
An exemplary virtual reality media provider system differentiates static objects depicted in two-dimensional video data from dynamic objects depicted in the two-dimensional video data. Based on the differentiating of the static objects from the dynamic objects, the virtual reality media provider system generates dynamic volumetric models of the surfaces of the static objects and the dynamic objects. The virtual reality media provider system updates the dynamic volumetric models of the surfaces of the static objects with a lower regularity or on an as-needed basis, and the virtual reality media provider system separately updates the dynamic volumetric models of the surfaces of the dynamic objects with a higher regularity. The higher regularity is higher than the lower regularity and keeps the dynamic volumetric models of the surfaces of the dynamic objects up-to-date with what is occurring in the two-dimensional video data. Corresponding methods and systems are also disclosed. |
US10819959B2 |
Firearm environmental recording apparatus and system
A firearm environmental recording apparatus, which may be used with a firearm environmental recording system, may include: a firearm attachment structure configured to attach to portions of a firearm; a processing unit; a camera configured to record image data; a microphone configured to record audio data; and an inertial sensor module configured to provide to orientation data. The image data, audio data, and orientation data may be associated with and/or stored in a database, such as a database of a network. Preferably, the apparatus may comprise a key which may be removably coupled to the body of the apparatus, and the key may govern or enable a first processor of the apparatus to access data in an auxiliary data store of the apparatus. |
US10819958B2 |
Home monitoring method and apparatus
Provided is a home monitoring method and apparatus. A home gateway executes receiving, from a mobile terminal, a request message for requesting home monitoring, providing, to the mobile terminal in response to the request message, monitoring information associated with a camera module included in at least one home device registered in advance and/or a position to be monitored, receiving, from the mobile terminal, selection information indicating a first camera module selected based on the monitoring information, transmitting, to the mobile terminal, image data captured and collected by the first camera module in response to the reception of the selection information, receiving, from the mobile terminal, a control command with respect to the first camera module, and transmitting the control command to a first home device including the first camera module. |
US10819957B2 |
Networked monitor remote
An integrated security system operating over a network includes networked video sources, networked monitor appliances and networked monitor appliance controllers. Video streams are processed by the networked monitor appliances for display on a monitor. The configuration of networked video sources, networked monitor appliances and networked monitor appliance controllers can be controlled by an application on a smart device acting as a remote. A remote control application is provided for use on smart devices to remotely control the configuration of a networked monitor appliance and verify configuration changes. |
US10819948B2 |
Window system based on video communication
A window system based on video communication, the window includes a local terminal, remote camera, and an information processor; wherein the local terminal includes a local display and a local identification device, the local display is configured to display a corresponding remote video information; the local identification device is configured to identify a position of a local user's face; the remote camera is configured to capture a remote video information according to the position of the local user's face; the information processor is configured to calculate a range of the local user's visual field according to the position of the local user's face, select the corresponding remote video information according to the range of the local user's visual field from the remote video information, and transmit the corresponding remote video information to the local display. |
US10819944B2 |
Mobile wireless drive storage for mobile phone used as car dashboard camera
Systems and methods are disclosed that capture video in mobile applications and automatically archive the captured videos using short-range communications with a network storage device. In various embodiments, the archival is triggered by proximity to the wireless network device. In various embodiments, other triggers, such as those provided by location-based services are used to initiate archival via a wireless protocol. |
US10819943B2 |
Vehicle vision system with incident recording function
A vision system of a vehicle includes a camera module disposed at the vehicle windshield and having a camera, a control and a recording device. The system includes a continuous loop recording of image data captured by the camera while the vehicle is operated. The control includes an image processor that processes image data captured by the camera for at least one driver assistance system of the vehicle. Responsive to a user input, the control exits the continuous loop recording and the recording device saves image data captured by the camera in non-volatile memory of the recording device. Responsive to the user input, the recording device saves in the non-volatile memory captured image data saved by the continuous loop recording prior to the user input and saves in the non-volatile memory image data captured by the camera after the user input. |
US10819937B2 |
Interface display method and television system
Disclosed is an interface display method, including: acquiring a button value and judging whether the acquired button value is a button value associated with any one of the shortcut applications, if yes, sending a first preset message and a second preset message to each of the shortcut applications; when a first shortcut application having an application identifier being different from the application identifier carried by the first preset message receives the first preset message, judging whether an application interface is in a display state, if yes, terminating the display of the application interface; when a second shortcut application having an application identifier being the same as the application identifier carried by the first preset message receives the first preset message and the second preset message, judging whether an application interface is in a display state, if yes, terminating the display of the application interface, or else displaying the application interface. |
US10819933B2 |
Sensing device
A sensing device including a semiconductor substrate, a filtering structure and a sensing structure is provided. The semiconductor substrate has a sample excitation region and an optical sensor region. The optical sensor region laterally encircles the sample excitation region. The filtering structure is embedded in the semiconductor substrate. The filtering structure is located in the sample excitation region and has a sample containing portion. The sample containing portion is adapted to contain a sample and receive an excitation beam. The sensing structure is embedded in the semiconductor substrate. At least a portion of the sensing structure is disposed in the optical sensor region and the sensing structure at least laterally encircles the filtering structure. After the excitation beam is transmitted to the sample containing portion along a direction perpendicular to a surface of the semiconductor substrate and excites the sample, the sample is adapted to emit a signal beam, and the sensing structure is adapted to sense the signal beam. |
US10819931B2 |
Photoelectric conversion device, imaging system and mobile body
A photoelectric conversion device including: a photoelectric conversion unit; a storing unit configured to store a photoelectric conversion signal from the photoelectric conversion unit; a first amplifier transistor configured to output a photoelectric conversion signal from the storing unit; a transistor configured to write an output signal of the first amplifier transistor to a first terminal of a holding capacitor; a second amplifier transistor, a gate of which is connected to the first terminal, and which is configured to output a voltage in accordance with a voltage of the first terminal; and a control unit configured to switch a voltage of a second terminal of the holding capacitor. |
US10819930B2 |
Method of operating a semiconductor image sensor with integrated pixel heating
At least one of the pixels of the image sensor is heated using at least one heater, and the temperature of this pixel is thus increased by a larger degree than the temperature of at least a further one of the pixels. |
US10819926B2 |
Systems and methods for synchronizing image sensors
This disclosure describes systems, methods, and devices related to the synchronization of image sensors with different exposure durations. In some embodiments, a system may include multiple image sensors, such as cameras, that have differing exposure durations. A data management component may be configured to receive sensor data from the image sensors. In addition, a synchronization component may be configured to transmit a shutter synchronization pulse to the image sensors. Finally, a tracking component may be configured to temporally center, based at least in part on the shutter synchronization pulse, the differing exposure durations of the image sensors. Various other systems and methods are also disclosed. |
US10819923B1 |
Thermal imaging for self-driving cars
The present disclosure relates to systems and methods that utilize machine learning techniques to improve object classification in thermal imaging systems. In an example embodiment, a method is provided. The method includes receiving, at a computing device, one or more infrared images of an environment. The method additionally includes, applying, using the computing device, a trained machine learning system on the one or more infrared images to determine an identified object type in the environment by at least: determining one or more prior thermal maps associated with the environment; using the one or more prior thermal maps and the one or more infrared images, determining a current thermal map associated with the environment; and determining the identified object type based on the current thermal map. The method also includes providing the identified object type using the computing device. |
US10819920B1 |
Augmented information handling system user presence detection
An information handling system transitions security settings and/or visual image presentations based upon a user absence or user presence state detected by an infrared time of flight sensor. An operating system service monitors the state detected by the infrared time of flight sensor and other context at the information handling system to selectively apply the user absence or user presence state at the information handling system. |
US10819914B2 |
Illuminance sensor, proximity sensor, electronic device, and surveillance system
An illuminance sensor detects a flicker with higher accuracy than in the related art. The illuminance sensor includes: a light receiving unit that receives light and outputs a current; a flicker measurement counter circuit that performs AD conversion on the current and outputs a first digital signal to a flicker measurement storage device; an illuminance measurement counter circuit that performs AD conversion on the current and outputs a second digital signal to an illuminance measurement storage device; and a flicker detection unit that detects a flicker by analyzing the first digital signal stored in the flicker measurement storage device. A cycle during which the first digital signal is output from the flicker measurement counter circuit is shorter than a cycle during which the second digital signal is output from the illuminance measurement counter circuit. |
US10819910B2 |
Image capturing apparatus, control method of same, and program
A camera capable of interchanging a mount as a connection part that connects with a lens. Under control of a system control unit, when the power of the camera is in an on state, a type of the mount attached to the camera is discriminated to determine mount interchange. When it is determined that the mount interchange has been performed, with respect to a menu including a plurality of items and a My Menu in which items selected by a user from among the items included in the menu are registered, an item unnecessary for the discriminated type of the mount among the items of the menu is set to non-display, and when the item set to the non-display has been registered in the My Menu, the item is reset in the My Menu. |
US10819905B1 |
System and method for temperature sensing in cooking appliance with data fusion
A cooking chamber includes thermal camera of a lower resolution and a color camera of a higher resolution. The two cameras capture images at the same time to obtain a thermal image and a color image. The thermal image is processed to correlate respective subsets of its pixels to corresponding subsets of pixels in the color image for one or more food items identified in the in accordance with established calibration rules, establishing correlations between pixels of the second image to respective sets of pixels corresponding to the one or more food items identified in the two images, where the established calibration rules associate the perspectives and resolutions of the two cameras. A temperature map is generated for the one or more food items with the second resolution in accordance with the established correlations. |
US10819902B2 |
Information processing apparatus and non-transitory computer readable medium
An information processing apparatus includes a receiver that receives an image, and a controller that controls an operation of the information processing apparatus based on information written in the image received by the receiver. In a further modification of the invention, the information may define an operation related to movement. |
US10819900B2 |
Imaging element and imaging apparatus
In an imaging element in which a plurality of phase difference detection pixels and a plurality of normal pixels for imaging are two-dimensionally arranged in a horizontal direction and a vertical direction, the phase difference detection pixel includes a first phase difference pixel ZA and a second phase difference pixel ZB including opening portions for pupil separation at different positions in the horizontal direction. The first phase difference pixel ZA and the second phase difference pixel ZB are adjacently arranged to have the opening portions facing each other. RGB color filters are arranged in the plurality of normal pixels in the Bayer arrangement. The imaging element includes a normal pixel row in which only the normal pixel is arranged in the horizontal direction and a phase difference pixel row in which the first phase difference pixel ZA, the second phase difference pixel ZB, and one normal pixel are periodically arranged in the horizontal direction. |
US10819897B2 |
Electronic device and method for controlling autofocus of camera
An electronic device includes a display; a camera module configured to move an image sensor, wherein the camera module includes a lens unit comprising at least one lens disposed on the image sensor and a lens driving unit configured to move the at least one lens; and a processor configured to display a first image comprising an external object obtained with a first view angle by using the camera module through the display, move a location of the at least one lens by using the lens driving unit so that a view angle of the external object changes from the first view angle to a second view angle, obtain a second image comprising the external object with the second view angle by using the camera module, select a part of the second image so that a view angle of the second image becomes practically identical to the first view angle, and display a part of the selected second image by using the display. |
US10819892B2 |
Integrated sensor and lens assembly with post-tuning optical alignment
An integrated image sensor and lens assembly may include a lens barrel, a collet, and a lens mount. The lens barrel may be coupled to the collet which is coupled to the lens mount. The lens barrel and the collet may each include a fastening structure reciprocal to each other. Alternatively, the collet and the lens mount may each include a fastening structure reciprocal to each other. The optical distance between the set of lenses and the image sensor may be tuned such that the focal plane of the lenses coincides with the image plane. The fastening structures allow the lens barrel to be adjusted relative to the lens mount in order to shift the focal plane in a direction along the optical axis to compensate for focal shifts occurring during assembly/cure and/or temperature cycling. |
US10819891B2 |
Camera module having transparent cover plate configured to be target optical lens and target optical lens used as external optical lens and method for manufacturing camera module, and display device having camera module and method for manufacturing display device
The present disclosure discloses a camera module and a manufacturing method thereof, a display device and a manufacturing method thereof, in the field of display technology. The display panel includes a display substrate and a transparent cover plate on the display substrate. The camera module includes a camera and a transparent cover plate attached to the camera, wherein a part of the transparent cover plate is configured as a target optical lens which is used as an external optical lens of the camera, and the transparent cover plate is configured to protect a display device. With the present disclosure, the thickness of the camera module is reduced. The present disclosure is used for capturing an image. |
US10819890B2 |
Optical image capturing module with multi-lens frame and manufacturing method thereof
An optical imaging module utilizes conductive lines and electric conductors to reduce the overall thickness of an image sensor element. With the configuration of a fixed lens assembly and an auto lens assembly, and a multi-lens frame, incident light passes through the fixed lens assembly and is accurately focused on the image sensor element. In the same way, incident light passes through the auto lens assembly and is accurately focused on the image sensor element. The image sensor element is thus fully imaged and can be used to form images by alternating the fixed lens assembly and the auto lens assembly according to image requirements. |
US10819887B2 |
Shelter module
A shelter module includes a casing and a sliding door. The casing has an outer surface and a limiting slot. The limiting slot sinks inward from the outer surface. The limiting slot has a bottom side, a through hole and a first tactile bump. The through hole is disposed on the bottom side. The first tactile bump protrudes from the bottom side. The sliding door slides between an open position and a closed position in the limiting slot to expose or hide the through hole. The sliding door has a hiding side facing the bottom side. The sliding door has its thickness reduced from the hiding side to form a relief recess and an interfering portion adjacent to the relief recess. As soon as the sliding door slides from the open position to the closed position, the interfering portion slides past the first tactile bump to generate a tactile feedback. |
US10819884B2 |
Method and device for processing multimedia data
Disclosed is a method for searching multimedia data for a highlighted interval, comprising the steps of: parsing the multimedia data into at least one frame; partially decompressing the at least one frame; extracting at least one metadata parameter from the at least one partially decompressed frame; and determining a highlighted interval of the multimedia data based on the at least one metadata parameter. |
US10819882B2 |
Image processing device and imaging apparatus
An image processing device includes: a first color conversion processor configured to perform first color conversion processing on image data; a second color conversion processor configured to perform second color conversion processing on the image data; a coefficient calculator configured to calculate a coefficient indicating a blend ratio between an output of the first color conversion processor and an output of the second color conversion processor; and a blend processor configured to blend the output of the first color conversion processor and the output of the second color conversion processor based on the ratio indicated by the coefficient, wherein the coefficient calculator calculates a position on an xy chromaticity diagram of a color indicated by each pixel in image data processed by the first color conversion processor to determine the coefficient based on a distance from the calculated position to a boundary of a color gamut. |
US10819880B2 |
Document management system that performs management when documents are stored in paper document form
Provided is a document management system that appropriately performs management of paper documents even in a case where there is a change in the storage conditions and the like of paper documents. A server causes an image forming apparatus to output a management label. A worker enters items necessary for management in this management label, after which the label is attached to a package including paper documents (documents) that is a target of management, and the package is stored in this state. A portable terminal that can capture an image of the management label on the package in a stored state is used. The portable terminal and the image forming apparatus may perform an exchange of data via a network, short distance communication, or the like. This data includes image data (imaging data) acquired by capturing an image of the management label, and storage location information indicating the storage location of the package. |
US10819877B2 |
Printing apparatus, printing apparatus control method, and storage medium connecting to an option unit update option unit program using an update program stored a storage
A printing apparatus to which an option unit can be connected includes a storage unit configured to store an update program for updating an option unit program, and an update unit configured to, if an option unit has been connected to the printing apparatus, update the option unit program using an update program stored by the storage unit. |
US10819874B2 |
Positioning adjustment apparatus for mobile device in scanning and photography
Provided is a positioning adjustment apparatus for a mobile device in scanning and photography, including a main body and a lifting unit. An object to be scanned is placed on the main body, and the mobile device placed on a carrier platform of the lifting unit can move up and down along with the lifting unit to adjust a distance between the mobile device and the object to be scanned. After scanning, a document is sent directly to a shredder. The invention also provides a wireless signal transmission to operate the mobile device for scanning or photography to meet various demands of the users. |
US10819870B2 |
Image processing apparatus, apparatus, method of switching mode of the image processing apparatus, and non-transitory storage medium storing program executable by computer of the image processing apparatus
An image processing apparatus includes an image-data processor, an interface, a power source, and a controller. The controller selects a first mode, a second mode, or a third mode as a power supply mode. In the first mode, electric power is supplied from the power source to the image-data processor and the interface. In the second mode, supply of the electric power from the power source to the image-data processor and the interface is in a stopped state. In the third mode, the electric power is supplied from the power source to the interface, but supply of the electric power to the image-data processor is in a stopped state. The controller switches the power supply mode from the second mode to the third mode in response to receiving a power supply request from an external device via the interface in the second mode. |
US10819866B2 |
Processing apparatus and non-transitory computer readable medium
A processing apparatus includes a receiving unit that receives from another apparatus a command to perform an operation that uses a first function as a function of the processing apparatus, and an instruction unit that, when the receiving unit has received the command from the other apparatus, issues to the other apparatus a command to perform an operation that uses a second function if the other apparatus has the second function that is a substitute for the first function. |
US10819865B2 |
Information processing apparatus for determining whether to display an event message
An information processing apparatus includes a display screen and a display controller. The display screen displays a first message corresponding to a first event occurring in the information processing apparatus. The display controller controls, in a case where a second event occurs while the first message is being displayed on the display screen, a display mode of a second message corresponding to the second event, based on a relationship between the first event and the second event. |
US10819863B2 |
Image forming apparatus and control method by the same
In accordance with an embodiment, an image forming apparatus comprises a measurement section configured to measure first environmental information of a measurement position in a first period; an acquisition section configured to acquire first external environmental information measured by a first external device; and a controller configured to estimate second environmental information of the measurement position in a second period different from the first period using the first external environmental information, and perform control to execute a maintenance operation based on the second environmental information. |
US10819861B2 |
Real-time usage detection of software applications
A system and method that allows for information relating to data and communication resource usage to be gathered and analyzed such that particular data transactions and usage of network accessible software applications can be classified based on purpose and/or type. Further, the system and method provide reporting based on amount of usage and/or purpose or type of usage so that associated costs and usage can be calculated applied and allocated to particular accounts, divisions, groups or individuals within and outside of a company or entity. Further, the system may disable features of or access to network accessible software applications based on lack or use, limited use or other metrics that fall outside of threshold ranges or values. |
US10819859B2 |
Universal data sponsorship solution (UDSS)
A system for creating and managing Sponsored Data Plans in a geographic area spanning across multiple mobile telecommunications networks includes a UDSS Portal to receive Sponsorship campaign parameters, and a UDSS Application Server to accept and propagate resulting policies and configurations to a relevant network operators' OCS and Sponsorship Application Server components based on the campaign targeted geographic areas received by the UDSS Application Server from the UDSS Portal. The system may include a UDSS Proxy Server to implement a mechanism to perform protocol and data integrity checks; and look up any active cached matching campaign parameters. The Sponsorship Application Server inside the operator's network may determine the operator's subscriber eligibility to the sponsored content. The system may include a UE to send a request for a sponsored content and an operator's PCEF to receive and forward the request to the Sponsorship Application Server for determination of sponsorship eligibility. |
US10819858B2 |
Method for improving echo cancellation effect and system thereof
A method for improving an echo cancellation effect and a system thereof are disclosed. The method comprises includes: performing a non-linear compensation for a non-linear response portion of an excitation signal using an NLC algorithm to obtain a compensated excitation signal; outputting the compensated excitation signal to an echo cancellation system; and performing echo cancellation for the compensated excitation signal by the echo cancellation system. According to the present disclosure, using the NLC algorithm, non-linear compensation is performed for the non-linear portion of the excitation signal, non-linear outputs generated due to non-linear characteristics of the system are pre-compensated when being input to the echo cancellation system, such that the echo signal output by the echo cancellation system is minimized and the echo cancellation effect is improved. |
US10819854B2 |
Selecting bridge telephone number for dial-out
A conference system is provided that includes a processor configured to provision a plurality of bridge telephone numbers having a plurality of different country codes, and receive a dial-out request for one of a plurality of attendees of a conference meeting for connecting to the conference meeting. The dial-out request includes a target telephone number associated with a communication device of the one of the plurality of attendees. The processor is further configured to select one of the provisioned plurality of bridge telephone numbers based on a result of a match between at least a country code of the selected bridge telephone number and the target telephone number, and cause dial-out to the target telephone number from the selected bridge telephone number. |
US10819852B2 |
Device, system and method for communicating between devices using two protocols
A device, system and method for communicating between devices using two protocols is provided. A request is received from a first device to communicate with a second device. A dedicated client operates according to a first protocol. A call server is operated according to a second protocol. An identifier is provided to the second device for requesting a web application for conducting a call via the call server, the identifier associated with the first and second device. A request, including the identifier is received and the web application is provided to the second device. A first call is set up between the dedicated client and a respective dedicated client. A second call is set up between the call server and the web application at the second device. The first call and the second call are connected to conduct an end-to-end call between the first and second device. |
US10819847B1 |
Systems and methods for protecting against outgoing calls to malicious phone numbers
The disclosed computer-implemented method for protecting against outgoing calls to malicious phone numbers may include (1) intercepting, at a computing device, an attempt to initiate an outgoing phone call, (2) disabling, at the computing device and at least temporarily, the attempt, (3) querying a reputation server for a reputation of an outgoing phone number associated with the attempt, (4) receiving, at the computing device, reputation results from the reputation server, and (5) performing a security action comprising displaying, on a user display of the computing device and prior to enabling the attempt, at least a portion of the reputation results. Various other methods, systems, and computer-readable media are also disclosed. |
US10819844B2 |
Intelligent electronic device and mode setting method
A method of setting a mode of an intelligent electronic device is disclosed. The method includes collecting a plurality of sensing information through a plurality of sensors, obtaining surrounding situation information based on the plurality of collected sensing information, extracting a feature value from the obtained surrounding situation information and determining a surrounding environment based on the extracted feature value, and selecting a disturbance interruption mode corresponding to the determined result. The intelligent robot device may be associated with an artificial intelligence module, an unmanned aerial vehicle (UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, devices related to 5G services, and the like. |
US10819837B2 |
Mobile device with VOC monitoring of user breath and environment
Systems and methods for user exhalation and environmental air analysis are implemented in an integrated or dockable analysis architecture including an opening adjacent a device microphone to admit an exhalation of a user while the user is speaking. In an embodiment, the opening leads to a passageway having at least one gas sensor therein, located such that a user exhalation entering the opening will impinge on the at least one gas sensor. A processor is linked to the gas sensor, and is configured to receive sensor signals from the gas sensor and generate biological information for the user. |
US10819834B2 |
Electronic device
An electronic device of the present disclosure comprises: a housing including a metal frame; and a first antenna unit which is arranged at one side of the housing and transmits and receives a signal at a specific frequency band, wherein: the first antenna unit includes a first metal member which is connected to the metal frame, receives power by a power feeding unit, and has a length set to be radiated at the specific frequency band, and a second metal member which is arranged at a spaced gap of a preset interval from the first metal member and has one end coming into contact with the metal frame; a current, which is induced through the second metal member coupled with the first metal member, moves to the metal frame by means of the spaced gap; the first metal member, the second metal member and the metal frame are arranged to be separated from one another; and the first and second metal members are formed to resonate at the specific frequency band. |
US10819826B2 |
System and method for implementing application functionality within a network infrastructure
A system and method for implementing functionality within a network on behalf of first and second devices communicating with each other through the network. A front-end device is provided within the network that communicates data traffic with the first device. A back-end device is also implemented within the network and communicates data traffic with the second device. A communication channel couples the front-end device and the back-end device. Data traffic may be encoded into a different type or protocol for transport through the communication channel by the front-end device and back-end device. The front-end device and back-end device exchange quality of service information and may alter characteristics of the data traffic through the communication channel according to the quality of service information. |
US10819823B2 |
Apparatus and method for in-network caching
Disclosed herein are an in-network caching apparatus and method. The in-network caching method using the in-network caching apparatus includes receiving content from a second node in response to a request from a first node; checking a Conditional Leave Copy Everywhere (CLCE) replication condition depending on a number of requests for the content; checking a priority condition based on a result value of a priority function for the content; checking a partition depending on the number of requests for the content; performing a cache replacement operation for the content depending on a result of checking the partition for the content; and transmitting the content to the first node. |
US10819822B2 |
Method for recording metadata for web caching in cloud environment and web server using the same
A method for recording metadata for web caching in a cloud environment is provided. The method includes steps of: (a) a first web server caching file information of a first web server container corresponding to itself in a first cache memory in the first web server container; (b) the first web server recording metadata of the first cache memory in a common file storage; and (c) the first web server, if the first web server is scaled out by adding a second web server, allowing the second web server to access the common file storage, to thereby allow the metadata to be recorded in a second cache memory in a second web server container corresponding to the second web server. |
US10819820B1 |
On-path data caching in a mesh network
A mesh network device includes a content repository including a first section to store original data and a second section to store cached data, and an application processor including a user space, kernel space, and an on-path data caching engine. The on-path data caching engine is to receive, from a second mesh network device, data frames via a data link layer of a TCP/IP mesh network. The data frames include audio or video content. The on-path data caching engine is further to store the data frames in a socket kernel buffer, determine that a third mesh network device is a destination for the data frames, and forward the data frames to the third mesh network device. The on-path data caching engine is to determine that the audio or video content is to be cached and asynchronously copy the audio or video content to the second section of the content repository. |
US10819811B2 |
Accumulation of real-time crowd sourced data for inferring metadata about entities
Various technologies pertaining to crowd sourcing data about an entity, such as a business, are described. Additionally, technologies pertaining to inferring metadata about the entity based upon crowd sourced data are described. A sensor in a mobile computing device is activated responsive to a user of the mobile computing device checking in at an entity. Metadata, such as occupancy at the entity, noise at the entity, and the like is inferred using the data captured by the sensor. A search result for the entity includes the metadata. |
US10819810B2 |
Event affinity detangling with broadcasts rolling over time zones
Social media inputs specific to a content of a broadcast program and received from a plurality of users are analyzed to determine a sentiment value expressed relative to a portion of the content. A group is formed of those users whose sentiment values expressed relative to the portion of the content are within a specified tolerance value of sentiment value and are expressed within a defined period during the broadcast of the program. A historical data from the inputs unrelated to the content is analyzed to extract an entity. A time zone of a geographical location of the entity is associated with the group. a sentiment of the group expressed relative to the portion of the content is shifted by an amount of time on a program continuum timeline, such that the sentiment of the group aligns with a time when the portion was broadcast in the time zone. |
US10819808B2 |
User presence determination
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for presence determination. Systems can include one or more user devices and terminal devices. A current location may be determined of a user that is associated with a particular space of a plurality of different spaces. A plurality of location results may be calculated, wherein each location result is computed using a distinct process of a plurality of processes; and evaluating the plurality of location results to determine a current space of the user; wherein the determining is performed by one or more of, a particular user device, a terminal device, or a server system. |
US10819806B2 |
Internet of things (IOT) device discovery platform
Techniques described herein include a communication and device discovery platform though which Internet of Things (IoT) devices may discover other IoT devices, ascertain device statuses, purposes, and the functions and operations supported by other IoT devices, and collaborate with other IoT devices to request and initiate particular functions and operations. Using the platform and corresponding functionality described herein, an IoT device may announce to another nearby IoT devices its general description, availability, required permissions, as well as a listing and description of functions it may perform. Other authorized IoT devices may make use of the broadcasted functions, using artificial intelligence, natural language processing, and additional techniques that enable independent and decentralized IoT devices to discover the purposes, supported functions and operations, and invoke the functionality of other IoT devices. |
US10819804B2 |
Efficient request-response routing over a data exchange layer
In an example, there is disclosed an efficient request/response routing over a publish/subscribe messaging framework. Upon receiving a request for a service, a DXL broker may identify zero or more DXL domain masters providing the service. If no DXL domain masters are available to provide the service, the DXL broker may send a response message, or publish a DXL message, indicating that the service is not available. If more than one DXL domain master provides the service, then the DXL broker may identify the best DXL domain master to service the request, and forward the request to that DXL domain master. |
US10819790B2 |
Distributed storage systems and methods
The inventive subject matter provides apparatus, systems, and methods of pre-loading (or caching) activatable content to several mobile devices for future use by at least one of the mobile devices. The mobile devices are communicatively coupled with each other to form a distribute storage network. The pre-loaded content can be used by applications executed in any one of the mobile devices within the network. A content server is configured to transmit portions of the content to the mobile devices upon detection that a subset of conditions within the multi-conditional content activation criteria has been satisfied. The content server is configured to transmit the entire content when all conditions within the multi-conditional content activation criteria has been satisfied. The content server then activates the content when a content activation event is detected. |
US10819787B2 |
Remote synchronization method, apparatus, and system
A remote synchronization method includes associating a listening environment with a listen object including status information of a first device, adding a listener to the listening environment that is configured to listen in the listen object, and notifying a second device in response to the listener detecting that the listen object has changed. |
US10819784B1 |
API mediation for online services
An API mediation system can allow an original service designed to interact with client systems over a first API to interact with other client systems over a second API without significant modifications to the original service. The API mediation system can automatically generate a mediation layer designed to translate communications to and from the original service between the first and second APIs. Similarly, the API mediation system can implement a mapping between functions of the original service through the first API and equivalent functions over the second API, including mapping security operations or other security methods between the first and second APIs. To generate the mapping layer, the API mediation system can generate a model of the original service outlining the underlying functionality of the original service. |
US10819783B1 |
Managing a data packet for an operating system associated with a multi-node system
Various aspects provide for managing memory in virtual computer system. For example, a system can include a first network node and a second network node. The first network node receives a data packet via a first hardware network controller. The first network node also transmits the data packet over a communication channel via a second hardware network controller in response to a determination that memory data for the data packet is not mapped to the first network node. The second network node receives the data packet via the communication channel and provides the data packet to an operating system associated with the first network node and the second network node. |
US10819780B2 |
Protected data collection in a multi-node network
Particular embodiments described herein provide for an electronic device that can be configured to receive a broadcast query from a network element, receive information from a plurality of devices, process the information, and generate an integrated group response, wherein the integrated group response summarizes the information about the plurality of devices and removes identification information that could allow data to be linked to a specific device from the plurality of devices. The integrated group response can be communicated back to the network element in response to the query. |
US10819778B2 |
Service discovery method and service discovery apparatus
A service discovery method and a service discovery apparatus enable a NAN device that does not support a multi-hop service discovery not to respond to a relayed multi-hop service discovery message on the premise that the relayed service discovery message is correctly received by a NAN device that supports the multi-hop service discovery. The method includes: receiving, by a second NAN device, a first service discovery message that is sent by a first NAN device and that is used for a service discovery; and generating, by the second NAN device based on the first service discovery message, a second service discovery message used for the service discovery, and sending the second service discovery message, where the second NAN device serves as a service relay device that relays the service discovery initiated by the first NAN device. |
US10819776B2 |
Automated resource-price calibration and recalibration by an automated resource-exchange system
The current document is directed a resource-exchange system that facilitates resource exchange and sharing among computing facilities. The currently disclosed methods and systems employ efficient, distributed-search methods and subsystems within distributed computer systems that include large numbers of geographically distributed data centers to locate resource-provider computing facilities that match the resource needs of resource-consumer computing-facilities based on attribute values associated with the needed resources, the resource providers, and the resource consumers. The resource-exchange system monitors and controls resource exchanges on behalf of participants in the resource-exchange system in order to optimize resource usage within participant data centers and computing facilities. The resource-exchange system automatically determines resource pricing on behalf of participant resource-provider computing facilities and subsequently recalibrates resource pricing on behalf of participant resource-provider computing facilities to steer hosting requests towards proportionate consumption of resources allocated by the resource-provider computing facilities to the resource-exchange system. |
US10819775B2 |
Systems and methods for server failover and load balancing
Systems and methods for server failover and/or load balancing are provided herein. Systems for server failover and load balancing may include a computer system in electronic communication over a network with one or more client applications, the computer system including a plurality of servers, and an engine stored on and executed by a client, the engine configured to allow one or more clients to select a target server among the plurality of servers using a client application identifier. |
US10819774B2 |
Predictive load mitigation and control in a content delivery network (CDN)
A computer-implemented method, in a content delivery (CD) network that delivers content on behalf of multiple content providers. The method includes, at a server in the CDN, wherein the server is currently processing at least one other request in at least one other session: receiving a connection request from a client, the connection request being associated with a corresponding content request; determining whether handling the content request will cause the server to become overloaded; and, based on the determining in (B) and on information about the content request, conditionally (i) accepting the content request, and (ii) terminating or throttling at least one session on the server. |
US10819764B2 |
Systems and methods for presenting content streams to a client device
Systems and methods for presenting content streams to a client device are provided. In some aspects, a method includes providing a first manifest file including a list of a number of content streams to a client device. Each of the content streams is associated with the same content being encoded at a different respective bit rate. One or more requests are received for one or more selected content streams to be delivered to a client device. At a gateway, the one or more requests are monitored based on a bit rate associated with the selected content stream. The first manifest file is modified based on the selected content streams to generate a modified manifest file that includes a modified list of content streams corresponding to the selected content streams. The modified manifest file is provided to the client device. |
US10819763B2 |
Apparatus and method of video streaming
Aspects of the subject disclosure may include, for example, a system that provides for obtaining, by a server comprising a processor, network parameter data from an eNodeB of a wireless network. The server can determine a predicted bandwidth for a group of end user devices in a coverage area of the eNodeB according to the network parameter data. The server can receive, from an end user device of the group of end user devices, a request for the predicted bandwidth. The server can provide the predicted bandwidth to the end user device. The providing of the predicted bandwidth enables the end user device to provide a video chunk request to a content server that is based on a selected chunk delivery schedule and facilitates streaming of video content to the end user device from the content server. Other embodiments are disclosed. |
US10819751B2 |
Firewall management service architecture
A processing device receives an event notification indicating a security configuration change of a cloud computing resource associated with a member account. In response, the processing device identifies a security policy associated with an administrative account corresponding to the member account and evaluates the security policy against the security configuration change to determine compliance with the policy. If not in compliance, the processing device generates a change event indicating a repair to the security configuration of the cloud computing resource to bring the security configuration into compliance with the security policy. |
US10819750B1 |
Multi-tenant authentication and permissions framework
Disclosed are various embodiments for a multi-tenant authentication and permissions framework. In a first embodiment, an interceptor intercepts a request to perform an operation with respect to a network resource from a client device, authenticates the client device has having a user identity with an authentication service, receives data from a permissions service indicating whether the user identity has permission to perform the operation, and forwards the request to perform the operation to a service. |
US10819748B2 |
Systems and methods for enforcing data loss prevention policies on endpoint devices
The disclosed computer-implemented method for enforcing data loss prevention policies on endpoint devices may include (i) detecting that an endpoint device has terminated a connection with a protected network that is protected by a network-level data loss prevention system and has connected to an external network that is not protected, (ii) switching, in response to detecting that the endpoint device has connected to the external network, from an in-network data loss prevention policy to an out-of-network data loss prevention policy, (iii) detecting an inbound data transfer to the endpoint device, (iv) determining that the inbound data transfer comprises a transfer from a protected source that is protected by the out-of-network data loss prevention policy, and (v) performing a security action in response to determining that the inbound data transfer to the endpoint device comprises the transfer from the protected source. Various other methods, systems, and computer-readable media are also disclosed. |
US10819746B2 |
Nodes on an internet of things (“IoT”) with dual-network access ports
Apparatus and methods are provided for improving the security and transmission of data carried by an Internet of Things (“IOT”) network. Each node on the IoT network may include a pass-through network access port and a dedicated network access port. The dedicated network access port may be used by the node intermittently to transmit/receive a first class of data. The pass-through network access port may be used continuous by the node to transmit/receive a second class of data. The dedicated network access port may transmit/receive data using a first transmission channel that is physically or virtually isolated from a second transmission channel that is used by the pass-through network access port. Providing isolated transmission channels may improve the security of data transmitting using the dedicated network access port. |
US10819744B1 |
Collaborative phishing attack detection
Described herein are methods, network devices and machine-readable storage media for detecting whether a message is a phishing attack based on the collective responses from one or more individuals who have received that message. The individuals may flag the message as a possible phishing attack, and/or may provide a numerical ranking indicating the likelihood that the message is a possible phishing attack. As responses from different individuals may have a different degree of reliability, each response from an individual may be weighted with a corresponding trustworthiness level of that individual, in an overall determination as to whether a message is a phishing attack. A trustworthiness level of an individual may indicate a degree to which the response of that individual can be trusted and/or relied upon, and may be determined by how well that individual recognized simulated phishing attacks. |
US10819734B2 |
Systems and methods for improving security of secure socket layer (SSL) communications
The disclosure is directed to a system for improving security of SSL communications. The system can include an device intermediary between one or more servers, one or more clients, a plurality of agents, and a web service. The servers can be configured to receive SSL connections and issue SSL certificates. The device can include a virtual server associated with a respective one of the servers, such that the SSL certificate of the respective server is transmitted through the device. The device can generate service fingerprints for the one or more servers. Each service fingerprint can include information corresponding to an SSL certificate of the virtual server, one or more DNS aliases for a virtual IP address of the respective virtual server, one or more port numbers serving the SSL certificate, and an IP address serviced by the device. The device also can transmit the service fingerprints to a web service. |
US10819730B2 |
Automatic user session profiling system for detecting malicious intent
A method for analyzing past user sessions for malicious intent. A security incident is detected by a computer system. Responsive to detecting the security incident, a forensic investigation is triggered by the computer system using a set of security rules for detecting website vulnerability in which the set of security rules is applied to a set of past user sessions, wherein the set of security rules is for a dynamic analysis product. |
US10819725B2 |
Reliable cyber-threat detection in rapidly changing environments
In some embodiments, a plurality of monitoring nodes each generate a series of current monitoring node values over time that represent a current operation of the industrial asset. An attack detection computer platform may receive the series of current monitoring node values and generate a set of current feature vectors including a current feature for capturing transients (e.g., local transients and/or global transients). The attack detection computer platform may also access an attack detection model having at least one decision boundary that was created using at least one of a set of normal feature vectors and/or a set of attacked feature vectors. The attack detection model may then be executed such that an attack alert signal is transmitted by the attack detection computer platform, when appropriate, based on the set of current feature vectors (including the current feature to capture transients) and the at least one decision boundary. |
US10819724B2 |
Systems and methods for cyberbot network detection
There is provided a neural network system for detection of domain generation algorithm generated domain names, the neural network system comprising: an input receiver configured for receiving domain names from one or more input sources; a convolutional neural network unit including one or more convolutional layers, the convolutional unit configured for receiving the input text and processing the input text through the one or more convolutional layers; a recurrent neural network unit including one or more long short term memory layers, the recurrent neural network unit configured to process the output from the convolutional neural network unit to perform pattern recognition; and a classification unit including one or more classification layers, the classification unit configured to receive output data from the recurrent neural network unit to perform a determination of whether the input text or portions of the input text are DGA-generated or benign domain names. |
US10819719B2 |
Systems and methods for protecting a physical asset against a threat
Embodiments of the disclosure relate to systems and methods for protecting a physical asset against an attack. In one exemplary embodiment, an asset protection system is configured to use a monitoring system to obtain performance parameters of a physical asset when the physical asset is in operation. The asset protection system is further configured to retrieve from a database, one or more threat signatures and to use the one or more threat signatures to detect an attack upon the physical asset, the detection based at least in part on identifying a relationship between at least one of the threat signatures and at least a portion of the performance parameters of the physical asset. When an attack is detected, a signal can be transmitted to a control system of the physical asset and/or directly to the physical asset, to modify an operation of the physical asset in response to the attack. |
US10819716B1 |
Contextual analyses of network traffic
Systems and methods for analyzing network traffic are provided. An exemplary system may include a plurality of network nodes distributed in multiple geographical regions. The plurality of network nodes may be configured to collect mass scanning network traffic data. The system may also include at least one processor. The processor may be configured to receive, from a first network node, a first network scanning request from a source scanner. In response to the reception of the first network scanning request, the processor may also be configured to transmit, via a second network node, a second network scanning request to the source scanner. The processor may further be configured to determine, based on feedback from the source scanner, whether the source scanner is compromised. |
US10819714B2 |
Endpoint detection and response system with endpoint-based artifact storage
Each of a plurality of endpoint computer systems monitors data relating to a plurality of events occurring within an operating environment of the corresponding endpoint computer system. The monitoring can include receiving and/or inferring the data using one or more sensors executing on the endpoint computer systems Thereafter, for each endpoint computer system, artifacts used in connection with the events are stored in a vault maintained on such endpoint computer system. A query is later received by at least a subset of the plurality of endpoint computer systems from a server. Such endpoint computer systems, in response, identify and retrieve artifacts within the corresponding vaults response to the query. Results responsive to the query including or characterizing the identified artifacts is then provided by the endpoint computer systems receiving the query to the server. |
US10819711B2 |
Data access method, user equipment and server
A data access method, a UE and a server are provided. The data access method includes: acquiring, by the UE, authentication data from an NFC circuit; transmitting, by the UE, the authentication data to a second NFC circuit of the server for authentication via a network connection between the UE and the server; and in the case that the UE has been authenticated successfully, transmitting, by the UE, a data access request to the server via the network connection, and accessing to-be-accessed data that corresponds to the data access request and is transmitted by the server. |
US10819704B2 |
System and method for authenticating called parties of individuals within a controlled environment
A method and system are described for enhancing the security of calls made by a member of a controlled environment to an outside party, particularly when the outside party communicates via a cellular phone. An application is provided for the cellular device, which must communicate and register with a calling platform of the controlled environment. Certain elements of personal verification data are obtained by the user of the cellular device and stored at the calling platform for later reference. Calls from the inmate to the cellular device cause the calling platform to issue a notification to the user via the application. The user verifies his/her identity using the application, after which the call can be connected. As a further security measure, certain conditions can be required and periodically checked during the call to ensure the user remains verified. |
US10819702B2 |
Methods and systems for providing wake-on-demand access to session servers
A method for selectively providing, to a subset of authorized user accounts, wake-on-demand access to session servers during a period of scheduled unavailability includes receiving, by a service broker machine, from a client machine, at least one credential. The service broker machine requests, from a database, connection information associated with the at least one credential. The service broker machine receives, from the database, connection information. The service broker machine determines that the at least one virtual resource is unavailable. The service broker machine determines whether the received credential indicates that a user of the client machine is authorized to request reactivation of the unavailable at least one virtual resource. The service broker machine directs, reactivation of the unavailable at least one virtual resource. The service broker machine provides, to the client machine, the connection information. |
US10819699B2 |
System, method, and program for remotely supporting work
A system for remotely supporting work, in which an image taken by a user terminal is shared between the user terminal and a terminal for remotely instructing work to remotely support work, includes: a detection unit that detects an ID or a password contained in the image; a processing unit that processes the image to make the ID and the password invisible if an ID or a password is detected; a display unit that displays the processed image on the terminal for remotely instructing work; and a receiving unit that receives a remote work instruction for the displayed processed image from the terminal for remotely instructing work. |
US10819695B2 |
Electronic device including local identity provider server for single sign on and related methods
An electronic device may include a memory configured to store applications each associated with an initial identity provider (IDP) address for a remote single sign on (SSO) process. A controller may execute the applications, operate a local IDP server having a localhost IDP address associated therewith, and update the initial IDP address of the applications with the localhost IDP address. The local IDP server may, upon receipt of the request for IDP authentication from an application, determine whether an authentication token from a remote IDP server is stored in the memory, and when so, communicate the authentication token to the application, otherwise, obtain the authentication token from the remote IDP server, store the authentication token in the memory, and communicate the authentication token the given application for IDP authentication to permit the application to perform the remote SSO process. |
US10819692B2 |
Cloud-authenticated site resource management devices, apparatuses, methods and systems
The CLOUD-AUTHENTICATED SITE RESOURCE MANAGEMENT DEVICES, APPARATUSES, METHODS AND SYSTEMS (“CASRM”) transforms resource-use, weather, and user settings inputs into resource management schedule and control outputs. The CASRM achieves data transformation via using a building automation management device, comprising at least a processor a memory storing processor-executable instructions to receive, at a virtual cloud network controller, a data packet from a source building resource control device and to access a virtual routing table corresponding to a local virtual network associated with a control entity. The building automation management device may also determine a destination building resource control device based on the virtual routing table and at least one destination address in the data packet, and may send the data packet to the destination building resource control device. |
US10819690B2 |
Communication device and communication method
A communication device configured to include a communication unit a monitoring unit, a control unit, and an authentication unit. The communication unit transmits and receives an optical signal to and from an opposed device via a transmission line. The monitoring unit monitors a transfer state of the transmitted optical signal. The control unit transmits a signal based on a dummy pattern instead of actual data when the monitoring unit detects that a failure occurs in transfer of the optical signal. The authentication unit authenticates start of transmission of a signal based on the actual data, when the monitoring unit detects elimination of the failure, while the signal based on the dummy pattern is being transmitted. Moreover, the control unit transmits the signal based on the actual data instead of the dummy pattern when the start of transmission is authenticated by the authentication unit. |
US10819687B2 |
Apparatus and method of encrypted communication
A method of encrypted communication by a terminal device is described. An encryption request for a message is obtained by processing circuity of the terminal device. The encryption request includes an identifier of an encryption routine and an encryption key. The encryption routine is identified according to the identifier of the encryption routine included in the encryption request. An encrypted message is generated by the processing circuity of the terminal device by encrypting the message using the identified encryption routine and the encryption key included in the encryption request. Moreover, a data packet is generated by the processing circuity of the terminal device by performing a packet assembly process on the encrypted message. The data packet is sent to another device via a network. |
US10819684B2 |
Cognitive blockchain for internet of things
An example operation may include one or more of receiving edge data that has been captured by one or more edge devices in an Internet of Things (IoT) network, encrypting the received edge data and storing the encrypted edge data as one or more transactions within a blockchain, determining, by a blockchain node, that an event has been captured by the received edge data based on metadata of the received edge data, and in response to determining that the event has been captured, generating a notification associated with the event being captured and outputting the generated notification for display on a user device. |
US10819680B1 |
Interface firewall for an integrated circuit of an expansion card
System and method generally relate to protection of a bussed network. In such a system, an access controller is configured for bussed communication via a communication bus to obtain a current transaction. An interface firewall is coupled for bussed communication with the access controller and configured to check for a fault associated with a transfer. A data processing device is coupled for communication with the interface firewall and configured to execute the current transaction to provide the transfer for the interface firewall. The interface firewall is configured to detect the fault associated with the transfer, to block access to the data processing device associated with the fault, and to communicate a blocked status for the data processing device. |
US10819671B2 |
Systems and methods for sharing content
Systems, methods, and non-transitory computer-readable media can provide a messaging interface, the messaging interface including a first region and a second region, the first region being segmented from the second region; provide access to one or more ephemeral message threads in the first region, the ephemeral message threads being ranked according to one or more criteria; and provide access to one or more non-ephemeral message threads in the second region, the non-ephemeral message threads being ranked according to one or more criteria. |
US10819670B1 |
System and method for regulating electronic message transmissions
Systems and methods for regulating electronic messages transmissions. A message delay system is disposed between one or more first entities and a second entity within at least one network. Electronic messages are received from among at least one the first entities and the second entity at one or more message arrival times. A message delay component applies a delay to each received electronic message, based on a predefined delay time common to all of the first entities and a first entity delay offset associated with a first entity that is associated with the received message. The first entity delay offset is based on a geographical origin of the first entity relative to a geographical origin of the second entity. Each delayed message is transmitted to a designated recipient via the network, where the designated recipient is among the second entity and the first entities. |
US10819668B2 |
Replacing graphical user interface based on configuration for displaying media on mobile device
This application discloses an information processing method performed by a mobile terminal. The method includes: displaying a first graphical user interface of a social networking application including multiple options for a first user to interact with other users; receiving a preset trigger operation on one of the multiple options for accessing information shared by the other users; generating and sending an access request to a server; receiving to-be-recommended first media information that matches a user profile of the first user and that is returned by the server based on the access request, and a first configuration parameter used for displaying the first media information; and replacing the first graphical user interface with a second graphical user interface by displaying the first media information in a personal information region of the second graphical user interface according to the first configuration parameter. |
US10819664B2 |
Chat-based application interface for automation
A method, apparatus and product for chat-based application interface for automation. Using a natural language interface, receiving user input. Based on the user input, determining an automation process of a computer program having a user interface (UI), to be executed. The automation process is executed by utilizing the UI to input data thereto or execute functionality thereof. Additionally or alternatively, a conversation to be implemented by a natural language interface may be defined. The conversation is configured to obtain from the user one or more values corresponding to one or more parameters. The conversation is associated with a parameterized automation process depending on the one or more parameters. The parameterized automation process is invoked automatically by a natural language interface and using one or more values provided by the user to the natural language interface for the one or more parameters. |
US10819653B2 |
Control unit and method for operating an industrial automation system communication network comprising a plurality of communication devices
Method for operating an industrial automation system communication network that includes a plurality of communication devices, and control unit, wherein at least one control unit controls functions of a plurality of assigned communication devices and is assigned to at least one partition of the communication network in order to operate an industrial automation system communication network comprising a plurality of communication devices, where partitions each include predefinable parts of communication devices assigned to system resources for predefinable resource periods of use, access periods and repetition cycles for transmit queues are set by the control unit according to the resource periods of use for the partitions in the assigned communication devices, where possible partitions are determined for the path reservation requests based on matching classifications of access periods and repetition cycles, and where the particular path reservation request is assigned to a determined partition when sufficient system resources exist. |
US10819652B2 |
Access management tags
Tags may be used in decisions by an access management service regarding access of computing resources (“resources”) by principals (e.g., users, roles, etc.). The tags may also be used to determine cost information, for grouping resources and/or principals, and for other reasons. The tags may be assigned to principals, to resources, or both. The resource may be a virtual or physical type of computing resource. Tags may be metadata, which may include a key-value pair. Tags may include email addresses, cost centers, project identifiers, location, team name, etc. The value may be a number, letters, or a combination of both. In some embodiments, the values may be limited to certain numbers or bytes, and some numbers and/or letter combinations may be excluded for special use. |
US10819649B2 |
Pooled system management engine on service processor of computing blade
A computing pod includes one or more computing racks. Each of the one or more computing racks includes one or more computing drawers. Each of the computing drawers includes one or more computing modules. Each of the one or more computing modules includes a computing blade. A first service processor is on a first computing blade of a first computing drawer of the one or more computing drawers of a first computing rack of the one or more computing racks. The first service processor, executes a first BMC function. The first BMC function manages the first computing blade. The first service processor exposes a first PSME to a pod manager servicing the pod. The first PSME collects information of the first computing blade. The first PSME sends the information of the first computing blade to the pod manager. |
US10819648B2 |
Retry handling in messaging queues
In one embodiment, a computer-implemented method comprises receiving a plurality of digital data messages in a first-in first-out (FIFO) primary queue of an electronic digital memory that is coupled to a message consuming process that is executed using computer instructions that are programmed to serially obtain messages from the primary queue and to process the messages; determining that processing a first message of the plurality of messages has failed; in response to determining that processing the first message failed, using the message consuming process, sending a first acknowledgement to the primary queue, sending the first message to a retry queue that is different from the primary queue, and processing one or more other messages from the primary queue; obtaining the first message from the retry queue; reprocessing the first message; repeating periodically selecting and processing one or more other messages from the primary queue and periodically selecting and processing one or more different other messages from the retry queue. |
US10819647B2 |
Network device having reduced latency
A network device includes a transmit buffer from which data is transmitted to a network, and a packet buffer from which data chunks are transmitted to the transmit buffer in response to read requests. The packet buffer has a maximum read latency from receipt of a read request to transmission of a responsive data chunk, and receives read requests including a read request for a first data chunk of a network packet and a plurality of additional read requests for additional data chunks of the network packet. A latency timer monitors elapsed time from receipt of the first read request, and outputs a latency signal when the elapsed time reaches the first maximum read latency. Transmission logic waits until the elapsed time equals the first maximum read latency, and then transmits the first data chunk from the transmit buffer, without regard to a fill level of the transmit buffer. |
US10819644B2 |
Openflow based distributed antenna system
Disclosed is a distributed antenna system (DAS). The DAS includes a DAS controller, which is an OpenFlow controller, and one or more DAS units in order to dynamically control a traffic transmission policy of the DAS units using an OpenFlow protocol, wherein the DAS controller generates and changes a traffic transmission policy by reflecting a traffic transmission policy change request by operator manipulation or a software-defined network supporting application and a need for changing of the traffic transmission policy according to a status of the DAS unit and a status of a port, and the DAS unit transmits received traffic to a destination according to the policy. |
US10819642B2 |
Virtual dispersive networking systems and methods
A method for network communications from a first device to a second device includes communicating data from the first device to the second device by spawning a first virtual machine for a first network connection that virtualizes network capabilities of the electronic device, and using the virtualized network capabilities of the first virtual machine, transmitting a plurality of packets for communication to a first network address and port combination associated with the second device. The method further includes repeatedly changing to a respective another network address and port combination by repeatedly spawning a respective another virtual machine for a respective another network connection that virtualizes network capabilities of the electronic device, and using the virtualized network capabilities of the spawned respective another virtual machine, transmitting a plurality of packets for communication to the respective another network address and port combination associated with the second device. |
US10819641B2 |
Highly available servers
Techniques for maintaining high availability servers are disclosed. For example, a method comprises the following steps. One or more client requests are provided to a first server for execution therein. The one or more client requests are also provided to a second server for storage therein. In response to the first server failing, the second server is configured to execute at least one client request of the one or more client requests provided to the first server and the second server that is not properly executed by the first server. |
US10819636B1 |
Methods, systems, and computer readable media for producer network function (NF) service instance wide egress rate limiting at service communication proxy (SCP)
Methods, systems, and computer readable media for network function (NF) service instance wide egress rate limiting include a process performed at a service communication proxy (SCP) and at a rate limiting policer. The process includes receiving service requests from consumer NFs and forwarding the service requests to SCP worker instances. The process further includes, at the SCP worker instances, requesting, from the rate limiting policer, which is separate from the SCP worker instances, producer NF service instance capacity for handling the service requests. The process includes, at the rate limiting policer, performing producer NF service instance wide egress rate limiting between the SCP worker instances and producer NF instances by granting or denying requests for producer NF service instance capacity from the SCP worker instances such that combined egress traffic from the SCP worker instances does not exceed rate capacities of the producer NF service instances. |
US10819635B2 |
SMS technology for computerized devices
A method and system for delivering SMS and MMS messages from a mobile telephone to devices having addresses on an Internet Protocol network are provided. In an embodiment of the invention a device having an IP address and a Media Access Control (MAC) address is registered on a network router and a telephone number is associated with the registered device on the router, such that when the router receives an SMS or MMS message for the telephone number associated with the device the router retrieves the IP address for the device and routes the message to the device. |
US10819629B2 |
Method and apparatus for dynamic network routing in a software defined network
Aspects of the subject disclosure may include, for example, a method including receiving, from a first management gateway of a network, first information associated with first network traffic that is received by the first management gateway from a first access network, determining, from the first information, a first service requested by a first communication device associated with the first network traffic received at the first management gateway, determining a first plurality of service functions required to facilitate the first service for the first communication device, selecting a first core gateway of a plurality of core gateways according to the first plurality of service functions, and transmitting, to the first management gateway, second information identifying the first core gateway, wherein the first management gateway routes the first network traffic to the first core gateway based on the second information. Other embodiments are disclosed. |
US10819625B2 |
Network system and routing method
A network system includes a communication apparatus, and a control apparatus configured to control the communication apparatus. The communication apparatus includes a memory configured to store program instructions, and a processor configured to execute the instructions to receive an address of a destination virtual machine from the control apparatus, receive a packet from a source virtual machine, identify, based on the address of the destination virtual machine corresponding to the received packet, an identifier of an edge node connected to the destination virtual machine, and add the identifier of the edge node to the received packet. |
US10819612B2 |
Automated load balancer discovery
Computer-implemented systems and methods automatically identify computers that act as load balancers on a digital communications network, using data collected from one or more computers on that network. Once a load balancer has been identified, the communications between two hosts may be connected across the identified load balancer, thereby making it possible to better analyze the behavior of hosts and applications on that network. |
US10819610B2 |
Method for estimating traffic rate between virtual machine pair, and related device
An apparatus and a method for estimating a traffic rate between a virtual machine pair includes, when a rate of traffic sent by a virtual machine vm-x1 to a virtual machine vm-y1 is estimated, obtaining at least rates of sending traffic by N21 virtual machines deployed in N2 physical hosts and including the virtual machine vm-x1, rates of traffic sent by N1 switching devices to N4 switching devices, rates of receiving traffic of N31 virtual machines deployed in N3 physical hosts and including the virtual machine vm-y1, and rates of outgoing traffic of the N4 switching devices. |
US10819604B2 |
Change to availability mapping
A computer-implemented network diagnostics system includes a system management module, coupled to a communications network and a network accessible storage via a network interface of the system management module. The system management module is configured to direct a server to display a plurality of respective status indicators for a plurality of client resources of the communications network, identify one or more client resources of the plurality of client resources experiencing a functional impairment, apply an impact analysis framework to determine the functional impairment experienced by the one or more client resources of the plurality of client resources is causally related to a maintenance operation, and direct the server to update the respective status indicators associated with the one or more client resources of the plurality of client resources whose functional impairment is causally related to the maintenance operation to reflect that the respective client resource is undergoing maintenance. |
US10819603B2 |
Performance evaluation method, apparatus for performance evaluation, and non-transitory computer-readable storage medium for storing program
A performance evaluation method includes: acquiring performance information indicating performance of a service by processes; determining whether the performance information satisfies a performance requirement; acquiring, when the performance information does not satisfy the performance requirement, a first load indicating data reception loads, a second load indicating data transmission loads, and a third load indicating process loads applied due to received data; acquiring, from a memory when the performance of the service satisfies the performance requirement, a first normal load indicating data reception loads, a second normal load indicating data transmission loads, and a third normal load indicating process loads applied due to received data; and outputting a process matching requirements in which the first load is larger than the first normal load, the second load is smaller than the second normal load, and the third load is larger than the third normal load. |
US10819598B1 |
Metering multi-tenant, microservice architecture-based integration service in a cloud computing environment
According to some embodiments, methods and systems may be associated with a cloud computing environment having a plurality of integration tenants. An independent usage measurement component (e.g., a microservice or module) may periodically calculate measurable meter units for a particular integration tenant of the cloud computing environment. Examples of measurable meter units include a static analysis of integration artifacts, outbound calls from components, message bandwidth, a number of messages, a static count of integration content connections, etc. A central cloud performance metering service may receive the calculated measurable meter units from the independent usage measurement component and arrange for billing data to be generated based on the calculated measurable meter units in connection with creation of a plurality of components resulting in implementation of an integration service for the particular integration tenant. |
US10819590B2 |
End-to-end policy enforcement in the presence of a traffic midpoint device
A global manager computer generates management instructions for a particular managed server within an administrative domain according to a set of rules. A global manager computer identifies a traffic midpoint device through which the provider managed server provides a service to a user device. The global manager determines a relevant rule from the set of rules that is applicable to communication between the provider managed server and the user device and generates a backend rule that is applicable to communication between the provider managed server and the traffic midpoint device. The global managed generates a backend function-level instruction including a reference to an actor-set authorized to communicate with the provider managed server to use the service. The global manager sends the backend function-level instruction to the provider managed server to configure the provider managed server to enforce the backend rule on communication with the actor-set including the traffic midpoint device. |
US10819588B2 |
Method for auto-scaling of web server and web application server and was administrating server using the same
A method for auto-scaling at least one web server and at least one WAS (Web Application Server) is provided. The method includes a WAS administrating server grouping, as a first service group, both at least one first web server and at least one first WAS, which are connected with each other to provide a first application service, and grouping, as a second service group, both at least one second web server and at least one second WAS, which are connected with each other to provide a second application service, to thereby create at least two groups each of which includes at least its corresponding pair of web server and WAS, and the WAS administrating server allowing each of the grouped pairs of the web servers and the WAS's to be scaled out or scaled in, independently, by a process of scaling-out or scaling-in. |
US10819586B2 |
Functional discovery and mapping of serverless resources
A computing system may include a database disposed within a remote network management platform that manages a managed network, and a software application associated with the platform and configured to: obtain, from an external computing system, information about a function-application arranged to execute source code segment(s) on demand; determine that the obtained information relates to (i) a plurality of authorization-keys each respectively arranged to authorize on-demand execution of one of the source code segments, (ii) a first key-value string pair that enables establishment of connectivity to a service of the external computing system or of another computing system, and/or (iii) a second key-value string pair that enables establishment of connectivity to a data source of the external computing system or of another computing system, and responsively determine association(s) between the source code segment(s), the function-application, the service, and/or the data source; and store the association(s) in the database. |
US10819584B2 |
System and method for performing actions based on future predicted metric values generated from time-series data
The present approach relates to techniques for efficiently monitoring time-series data for a metric of interest using limited subsets of the time-series data and, based on the modeling, to generate predictions for the metric. Based on the predictions for the metric, one or more actions may be configured to be taken when the predicted value for the metric is outside of a specified range or exceeds a specified threshold. |
US10819583B2 |
Network device management method and apparatus
A network device management method and apparatus are provided. The method includes: generating statistical traffic data, where the statistical traffic data includes at least one of data traffic of a port of a network device, a queue status of the network device, traffic of a data packet that passes through the network device, or traffic of a target data flow that passes through the network device; and sending the statistical traffic data to a controller. The controller receives statistical traffic data sent by multiple network devices, and can adjust a path of a data flow dynamically according to a traffic status of each port of the multiple network devices or a traffic status of a transmitted data flow in the multiple network devices and by changing routing tables of the network devices, thereby improving link utilization, and further improving network performance. |
US10819581B2 |
Performance analytics content gallery
A system and method for configuring a performance analytics (PA) software application is disclosed. The system may be disposed within a computational instance of a remote network management platform that remotely manages a managed network. The system may include a database of content plugins for configuring respective key performance indicator (KPI) modules, each implementing PA applied to an associated KPI of the managed network. Configuring the KPI modules may specify respective graphical configurations of a dashboard for displaying graphical representations of the associated KPI in a graphical user interface (GUI) within the managed network. A gallery of icons each identifying a plugin may be displayed in, and selected from, the GUI. A selected plugin may then be installed via a common plugin interface, whereby an associated KPI module becomes configured and ready for execution. |
US10819579B2 |
Prioritizing capacities based on priority parameters
Certain aspects of the present disclosure relate to methods and systems for selecting one of a plurality of capacities to provide a service for a client machine in a multi-cloud virtual desktop infrastructure (VDI) system. In certain aspects, a method receiving a request for the service from the client machine, the request indicating a first bandwidth rating associated with the first capacity and a second bandwidth rating associated with the second capacity. The method further includes prioritizing the first capacity over the second capacity based on a first one or more priority parameters associated with the first capacity and a second one or more priority parameters associated with the second capacity. The method further includes indicating a first identifier of the service associated with the first capacity to the client machine, wherein the client machine uses the first identifier to connect to the service at the first capacity. |
US10819578B2 |
Managing the lifecycle of a cloud service modeled as topology decorated by a number of policies
Managing the lifecycle of a cloud service modeled as a topology decorated by a number of policies includes with a processor, generating a topology or the realized topology, the topology or the realized topology representing a cloud service, associating a number of lifecycle management actions (LCMAs) with a number of nodes within the topology or the realized topology, and with a lifecycle management engine, updating the topology or the realized topology by associating a number of policies with the number of nodes within the topology or the realized topology. |
US10819577B2 |
Node update in a software-defined network
A method may include identifying an update file for a plurality of nodes; selecting a first set of nodes of the plurality of nodes based on a set of node selection criteria; sending the update file to the first set of nodes via a software-defined network (SDN); receiving a first message from a first node of the first set of nodes indicating that the first node is ready to host the update file; identifying a second node that is connected to the first node responsive to receiving the first message from the first node; sending a first instruction to the second node for the second node to obtain the update file from the first node; receiving a second message from the second node indicating that the second node is ready to host the update file; and adding the second node to the first set of nodes. |
US10819574B2 |
Low or zero touch provisioning systems and methods of network elements over unnumbered interfaces
A method of low or zero touch provisioning of a network element over an unnumbered interface includes, subsequent to booting up, communicating to a Dynamic Host Configuration Protocol (DHCP) Relay Agent from the unnumbered interface; downloading a configuration through the DHCP Relay Agent over the unnumbered interface; and configuring the network element based on the downloaded configuration. The unnumbered interface can be one of an Ethernet point-to-point interface and an Optical Service Channel (OSC) interface and an overhead channel on optical port, and wherein the unnumbered interface does not have an Internet Protocol (IP) address. |
US10819570B2 |
Priority based reconfiguration scheme for remote units
One embodiment is directed to a system comprising a first unit communicatively coupled to a second unit via a communication link. The second unit comprises a reconfigurable circuit, the reconfigurable circuit configured with the first or second circuit configuration image. The second unit further comprises an interface device configured to communicatively couple the second unit to the communication link, the second unit configured so that the interface device is configured with the first or second interface configuration image based on the configuration of the reconfigurable circuit configuration. |
US10819569B2 |
Deployment of network-related features over cloud network
Briefly, methods and/or apparatuses of virtual deployment of network-related features are disclosed. |
US10819563B2 |
Recovering from virtual port channel peer failure
Systems, methods, and non-transitory computer-readable storage media for recovering from a partial failure of a virtual port chain (vPC) domain. The first and second vPC peers may be paired to create a vPC having a virtual address. An endpoint host may communicate with a network via the virtual port channel. The system may detect that the first virtual port channel peer is down. During or after the first vPC reboots, the reachability cost for the first vPC with regards to the virtual address can be set to an inflated value. The first vPC peer may also delay its bring up time while it synchronizes its vPC state information with the second vPC peer. The second vPC can continue to advertise the association between the endpoint host and the virtual address. Upon completion of the synchronization, the first vPC peer may bring up the link and restore the reachability cost. |
US10819561B2 |
Intelligent automatic network operations interface used to resolve a network outage(s)
A network device may receive intelligent operations interface information that may comprise resources or events that may affect a communication system. The intelligent operations interface information may be processed to isolate network performance problems and effectuate a prioritized resolution of the network performance problems. The intelligent operations interface may take into account a ripple effect of fixing or not fixing one network performance problem over another network performance problem when determining the prioritized resolution of the network performance problems. |
US10819556B1 |
Data center agent for data center infrastructure monitoring data access and translation
In some examples, a method includes obtaining, by a data center infrastructure monitoring (DCIM) agent executing on a computing device deployed by a data center provider within a first data center of a plurality of geographically-distributed data centers, an infrastructure asset data object comprising infrastructure asset data for a physical infrastructure asset of a second data center of the plurality of geographically-distributed data centers; translating, by the DCIM agent using an asset mapping table, the infrastructure asset data object to formatted infrastructure asset data, wherein the asset mapping table maps one or more properties of infrastructure asset data objects to management protocol objects or control protocol objects for one of a management protocol or control protocol; and sending, by the DCIM agent to customer equipment co-located within the first data center, the formatted infrastructure asset data in a communication that conforms to one of the management protocol or control protocol. |
US10819553B2 |
Data transmission method and apparatus
Embodiments of the present invention provide a data transmission method and apparatus, and the method includes: modulating to-be-sent information bits according to a lower order constellation diagram, and generating 4m lower order modulation symbols; multiplying a precoding matrix Q by a column vector including every four lower order modulation symbols in the 4m lower order modulation symbols, to obtain 4m to-be-sent higher order modulation symbols corresponding to a higher order constellation diagram; and respectively and correspondingly sending the 4m to-be-sent higher order modulation symbols on different carriers of two antennas. The to-be-sent higher order modulation symbols include some or all to-be-sent information bits. Therefore, the same signal can be simultaneously sent on different carriers of multiple antennas, and frequency diversity and space diversity are implemented, so that transceiving performance of data transmission is improved. |
US10819550B2 |
Signal sending method, network device, and terminal device
A signal receiving method, an apparatus and a communication system. The network device determines a subcarrier location of a to-be-sent first signal and a subcarrier location of a to-be-sent second signal, where subcarriers occupied by the first signal are continuous subcarriers in a first group of resource elements, subcarriers occupied by the second signal are continuous subcarriers in a second group of resource elements, a quantity of the subcarriers occupied by the first signal is the same as a quantity of the subcarriers occupied by the second signal, and a subcarrier spacing in the first group of resource elements is different from a subcarrier spacing in the second group of resource elements, the first signal and the second signal are primary synchronization signals. The network device sends the first signal to the terminal device and sends the second signal to the terminal device or other terminal device. |
US10819543B2 |
Common mode transient immunity circuit for opto-isolator emulation
An isolator chip includes a transmitter circuit coupled to provide differential output signals to respective first terminals of a first and a second capacitor and a receiver circuit coupled to receive the differential output signals from respective second terminals of the first and second capacitors. The transmitter circuit includes a voltage-clamping circuit coupled to receive an input signal and to provide a clamped signal, an oscillator coupled to receive the clamped signal and to provide the differential output signals, and a common mode transient immunity (CMTI) circuit that couples respective first terminals of the first and second capacitors to a lower rail responsive to the clamped signal being low. |
US10819542B2 |
Apparatus and methods for inducing electromagnetic waves on a cable
Aspects of the subject disclosure may include, receiving a communication signal, and generating an electromagnetic wave that propagates along an outer surface of a dielectric layer environmentally formed on a cable. The dielectric layer can be a liquid disposed on an outer surface of the cable that enables the electromagnetic wave to propagate along the dielectric layer of the cable without an electrical return path, and conveys the communication signal. Other embodiments are disclosed. |
US10819541B2 |
High speed communications system
Transmission of baseband and carrier-modulated vector codewords, using a plurality of encoders, each encoder configured to receive information bits and to generate a set of baseband-encoded symbols representing a vector codeword; one or more modulation circuits, each modulation circuit configured to operate on a corresponding set of baseband-encoded symbols, and using a respective unique carrier frequency, to generate a set of carrier-modulated encoded symbols; and, a summation circuit configured to generate a set of wire-specific outputs, each wire-specific output representing a sum of respective symbols of the carrier-modulated encoded symbols and at least one set of baseband-encoded symbols. |
US10819538B2 |
Method and apparatus for establishing link between virtualized network functions
The present invention discloses a method and an apparatus for establishing a link between virtualized network functions. The method includes obtaining an internet protocol (IP) address of a connection point (CP) of a first virtualized network function (VNF) and identification information of the CP. The method also includes determining identification information of a second VNF corresponding to the identification information of the CP of the first VNF, sending the IP address of the CP of the first VNF and the identification information of the CP to the second VNF corresponding to the identification information of the second VNF. Additionally, the method includes starting a link connection establishment process between a CP of the second VNF and the CP of the first VNF. |
US10819537B2 |
Method and apparatus for processing service data
Embodiments of the present disclosure provide a method and an apparatus for processing service data. The method includes: receiving an uplink service flow, wherein the uplink service flow includes a first tunnel identifier and a destination address; determining a first tunnel mapping table corresponding to the first tunnel identifier, wherein the first tunnel mapping table includes the first tunnel identifier, one or more second tunnel identifiers corresponding to the first tunnel identifier, and one or more service addresses corresponding to each of the second tunnel identifiers; searching a service address the same as the destination address from the first tunnel mapping table; determining the second tunnel identifier of the uplink service flow based on the destination address if the searching is failed; and transmitting the uplink service flow to a service anchor corresponding to the second tunnel identifier of the uplink service flow. |
US10819535B2 |
Method for data packet transmission and/or reception
Methods and systems are provided for improved data packet transmission in a network bridge. Separate data packets received from a plurality of automation components are aggregated into a single data packet stream. The data packet stream is transmitted to another network node, for example, another network bridge. |
US10819533B2 |
Communication networks for payment, operation, and control of appliances, and methods of using the same
A communication network for appliances is provided. The communication network includes: (a) a plurality of local communication devices, each of the plurality of local communication devices transmitting data related to at least one of (i) a user of an appliance, and (ii) an appliance; and (b) a communication hub receiving data transmissions from each of the plurality of local communication devices, wherein communications between the plurality of local communication devices and the communication hub are encrypted. |
US10819532B1 |
System and method for determining a source and topic of content for posting in a chat group
A system for determining a source and topic of content for posting in a chat group is disclosed. The system includes a memory and at least one processor. The at least one processor may be configured to perform operations including identifying a user as a source of content; identifying a topic from the content using a language analysis application; determining, from the identified topic, a particular chat group from among a set of chat groups; and posting a portion of the content as a new message from the user in a message thread for the particular chat group. |
US10819531B2 |
Collaboration platform having moderated content flow
A system and method for digital collaboration where a primary node and at least one secondary node are provided connected over a local area network, at least one computing device having a display output, and a control service, where each node is connected to at least one dedicated display device, and each node having at least two image buffers each image buffer having buffered content. For each node, the selection of which buffer content of an image buffer is displayed onto the dedicated display depends on a state variable of the control service. |
US10819528B2 |
Device security with physically unclonable functions
A device may include one or more sources such as circuit elements and electrical components that function as sources for physically unclonable function (PUF) data. PUF data may be acquired from the PUF sources and one or more error correction codes may be applied to the PUF data. The resulting PUF values may be used to generate information that may be used for device security operations such as encryption and tamper detection. |
US10819527B2 |
Secure trust based distribution of digital certificates
A computer-implemented method for distributing digital certificates. A request for a digital certificate is received from a requesting system. A deployment challenge is sent to the trust agent running on the requesting system. A response to the deployment challenge is received from the trust agent running on the requesting system. The response to the deployment challenge is evaluated to determine whether the response is correct. The digital certificate is distributed to the requesting system in response to a determination that the response to the deployment challenge is correct. |
US10819526B2 |
Identity-based certificate authority system architecture
A system includes a processor and a computer-readable medium storing instructions for execution. The instructions include generating a cryptographic pair of user public and private keys for a user. The instructions include registering an identity of the user with an identity provider, transmitting the user public key, and receiving a user certificate from the identity provider. The instructions include signing a trust certificate for a web server, including an address and a public key of the web server, with the user private key. The instructions include, in response to an access request from the user specifying a second web server: obtaining a second trust certificate from the second web server; and establishing a connection with the second web server in response to successful verification of a signature of the second trust certificate using a public key corresponding to a trusted contact of the user. |
US10819519B2 |
Multi-tenant data protection in a centralized network environment
Data can be protected in a centralized tokenization environment. A security value is received by a central server from a client device. The central server accesses a token table corresponding to the client device and generates a reshuffled static token table from the accessed token table based on the received security value. When the client device subsequently provides data to be protected to the central server, the central server tokenizes the provided data using the reshuffled static token table and stores the tokenized data in a multi-tenant database. By reshuffling token tables using security values unique to client devices, the central server can protect and store data for each of multiple tenants such that if the data of one tenant is compromised, the data of each other tenant is not compromised. |
US10819516B2 |
System and method for generating and depositing keys for multi-point authentication
The present invention is an platform and/or agnostic authentication method and system operable to authenticate users, data, documents, device and transactions. Embodiments of the present invention may be operable with any client system. The authentication method and system are operable to disburse unique portions of anonymous login related information amongst multiple devices. These devices and the disburse unique portions of anonymous login information are utilized by the solution to authenticate users, data, documents, device and transactions. Login-related information is not stored in any portion of the solution, users and devices are anonymously authenticated. The solution also permits a user to access secured portions of the client system through a semi-autonomous process and without having to reveal the user's key. |
US10819514B2 |
Electronic component of electronic device, method of starting electronic device and encryption method
An electronic component of an electronic device, a method of starting an electronic device, and an encryption method. The electronic device includes a key storage unit that stores a first key, a key protection circuit that controls access of the key storage unit, and a storage unit that stores a second key and encrypted booting instructions. The method of starting an electronic device includes steps of: reading the first key from the key storage unit; reading the second key from the storage unit; generating a third key according to the first key and the second key; using the third key to decrypt the encrypted booting instructions; and executing the booting instructions. |
US10819513B2 |
Key encryption key (KEK) rotation for multi-tenant (MT) system
An example method facilitates enabling Key Encryption Key (KEK) rotation for a running multi-tenant system without requiring system downtime or interruption. The example method facilitates decrypting a set of one or more DEKs using a preexisting KEK; using a new KEK to re-encode the DEKs using the new KEK, all while simultaneously enabling servicing of tenant requests. This is enabled in part, by strategic caching of tenant DEKs in a secure local memory, wherein the cached tenant DEKs are maintained in the clear and are readily accessible to running processes that are using the DEKs to decrypt and access tenant data, irrespective of the state of a background process used to implement the KEK rotation to the new KEK. |
US10819511B2 |
Block computing for information silo
Systems and method for applying security measures to data sets requiring external quantum-level processing. Specifically, segmenting a data set into a plurality of data blocks/segments, such that each data block is communicated to different external entities for subsequent quantum-level computing processing of the data blocks. Once the data blocks have been quantum-level processed by the external entities and returned to the data provider/owner, the data blocks are combined to re-form the data set. |
US10819510B2 |
Facilitating communications using hybrid cryptography
The present application describes a method, system, and non-transitory computer-readable medium for exchanging encrypted communications using hybrid cryptography protocol. According to the present disclosure, a first device divides a first communication into at least a first secret and a second secret. The first device encrypts the first secret using a first cipher suite and the second secret using a second cipher suite. The first device generates a first signature of the first encrypted secret and the second encrypted secret according to a first signature generation algorithm associated with the first cipher suite and a second signature of the first encrypted secret and the second encrypted secret according to a second signature generation algorithm associated with the second cipher suite. The first device transmits the first encrypted secret and the second encrypted secret, the first signature, and the second signature to the second device. |
US10819500B2 |
Method for configuring an infrared audio transmission system and apparatus for using it
Disclosed is a method for determining respective transmission delays between a node and a plurality of radiators of an infrared audio transmission system comprising a signal generator and said plurality of radiators connected to said signal generator by a network, the method comprising, at a node of said network, transmitting at least one test signal to said plurality of radiators over said network, detecting an event triggered by said at least one test signal, and determining respective transmission delays between said node and said radiators on the basis of said event. Also disclosed are non-transitory computer program product comprising code means configured to cause a processor to carry out the method, a configuration node for carrying out the method, and a system comprising the configuration node and the plurality of radiators. |
US10819499B2 |
Method for measuring and correcting multiwire skew
Methods and systems are described for sequentially obtaining a plurality of data streams, the plurality of data streams comprising a data stream in a current condition, a data stream in a skewed-forward condition, and a data stream in a skewed-backward condition, calculating, for each data stream in the plurality of data streams, a corresponding set of cost-function values by obtaining a corresponding set of eye measurements, the eye measurements obtained by adjusting a sampling threshold of a sampler generating a plurality of samples of the data stream, the plurality of samples comprising edge samples and data samples, wherein the data stream is sampled at a rate equal to twice a rate of the data stream and calculating the corresponding set of cost-function values based on the corresponding set of eye measurements, and generating a skew control signal based on a comparison of the sets of calculated cost-function values. |
US10819490B2 |
Method and apparatus for transmitting/receiving uplink signaling information in a single carrier FDMA system
A method and an apparatus method are provided for transmitting uplink information including acknowledgement information in a wireless communication system. The method includes determining whether transmission of acknowledgement information overlaps with transmission of uplink data in a time domain; multiplexing the uplink data and the acknowledgement information, in case that the transmission of the acknowledgement information overlaps with the transmission of the uplink data in the time domain; and transmitting the multiplexed uplink data and acknowledgement information to a base station. The acknowledgement information is located adjacent to a pilot for the uplink data, and the pilot is used for demodulation of the uplink data. |
US10819489B2 |
Real time ACK/NAK from link sniffing
Methods, systems, and devices for real-time ACK/NACK are described. The method includes a primary wireless device receiving a transmission from a source wireless device over a wireless link established between the source wireless device and the primary wireless device, determining whether the primary wireless device correctly received a data packet during the transmission, determining whether a first indication of ACK is received from a secondary wireless device during a time gap after receiving the transmission from the source wireless device, the first indication associated with the transmission between the source wireless device and the primary wireless device, and sending a second indication of ACK or NACK to the source wireless device based on whether the primary wireless device correctly received the data packet and whether the first indication is received from the secondary wireless device during the time gap. |
US10819485B2 |
Precoding matrix channel information transmission apparatus and method, and system
A channel information transmission apparatus and method, and a system are disclosed to improve channel information feedback precision. A first device includes: a receiving module, configured to receive a reference signal from a second device; a processing module, configured to obtain a precoding matrix based on the reference signal, and generate first channel information and second channel information that are used to indicate the precoding matrix; and a sending module, configured to send the first channel information and the second channel information to the second device. |
US10819484B2 |
Sounding reference signal configuration method and apparatus
Embodiments of the present application disclose a sounding reference signal configuration method and an apparatus. The method includes: determining, by a base station, a movement speed of user equipment UE; determining, by the base station based on the movement speed of the UE, a UE-specific subframe configuration set in a plurality of UE-specific SRS subframe configuration sets corresponding to a used cell-specific SRS subframe configuration set, and determining a UE-specific SRS subframe configuration parameter in the determined UE-specific subframe configuration set, where the UE-specific SRS subframe configuration parameter is used to indicate a subframe used to send an SRS; and sending, by the base station, the UE-specific SRS subframe configuration parameter and identification information of the UE-specific subframe configuration set to the UE. |
US10819483B2 |
Transmission of demodulation reference signals for a 5G wireless communication network or other next generation network
Demodulation reference signals (e.g., DM-RSs) are transmitted for a 5G, or other next generation network using an adaptive DM-RS structure. Demodulation reference signal data representative of demodulation reference signals employable to perform channel estimation of data channels is generated the demodulation reference signal data is transmitted, via a channel other than the data channels, to be used for the channel estimation. The adaptive DM-RS structure can be based on a modulation scheme used for data transmission. An orthogonal variable spreading factor code tree can be used when choosing an orthogonal cover code, and resource mapping for DM-RSs can be made unequal based on analysis of antenna ports. Further, a DM-RS with high resource density can be used to compensate for phase noise. |
US10819473B2 |
Disabling, using a designated process, hybrid automatic repeat request (HARQ) acknowledgments for packets for which acknowledgements are supported at network or higher layer
A first communications device including a transmitter, such as a base station or UE, identifies a first packet flow for which end to end packet retransmission is supported. The first communications device assigns said first packet flow to a Hybrid Automatic Repeat Request (HARQ) process which does not require generation of acknowledgements (ACKs) or negative acknowledgements (NAKs) from a device receiving data corresponding to said first packet flow; and transmits data corresponding to said first packet flow to a second communications device. In some embodiments, the HARQ process to which the first packet flow is assigned is a dedicated HARQ suppression process. In some embodiments, the HARQ process to which the first packet flow is assigned is a HARQ process which has been temporarily designated as a HARQ suppression process. HARQ suppression is applied for the first packet flow at a radio link layer and/or MAC layer. |
US10819470B2 |
Behavior of user equipment (UE) in scenarios of conflicting resource assignments in new radio (NR) systems
Embodiments of a User Equipment (UE) and methods of communication are generally described herein. If the UE is configured by higher layers to transmit, in a set of symbols of a slot, a sounding reference signal (SRS), a physical uplink control channel (PUCCH), a physical uplink shared channel (PUSCH), or a physical random access channel (PRACH); and if a downlink control information (DCI) format indicates that the UE is to receive, in a subset of the set of symbols of the slot, channel state information reference signals (CSI-RS) or a physical downlink shared channel (PDSCH): the UE may: cancel transmission of the PUCCH, the PUSCH, or the PRACH in remaining symbols from the set of symbols; and may cancel transmission of the SRS in remaining symbols from the subset of symbols. |
US10819469B2 |
High speed interleaver/deinterleaver device supporting line rate, and method thereof
A deinterleaver device, a method for deinterleaving, an interleaver device, and a method for interleaving are disclosed. The method for deinterleaving includes: providing a memory and a stream count for a frame; virtually dividing the memory into equal sections, wherein a section count equals the stream count; calculating a write address for a sample of the samples based on a location of the sample in the frame and a correspondence of the location to one of the sections; receiving the sample; and writing the received sample to the write address, wherein the calculating and the write address corresponds to a correct deinterleaving location in one of the sections for the sample. |
US10819467B2 |
Transmitter and signal processing method thereof
A transmitter is provided, which includes: an encoder configured to generate a low density parity check (LDPC) codeword comprising information word bits, first parity bits and second parity bits based on a parity check matrix; an interleaver configured to interleave the LDPC codeword; and a constellation mapper configured to map the interleaved LDPC codeword on constellation points, wherein the first parity bits are generated based on one of parity submatrices constituting the parity check matrix and the second parity bits are generated based on another of the parity submatrices constituting the parity check matrix. |
US10819465B2 |
Method for transmitting CSI-RS and base station
Methods for transmitting a channel state information-reference signals (CSI-RS) and a base station are provided, where the example method includes aggregating, by the base station, first configuration modes of K CSI-RSs to form a second configuration mode of the CSI-RSs, where K is an integer greater than or equal to 2, where each of the first configuration modes is a configuration mode of X ports, where a value of X is 2, 4, or 8, and where the first configuration mode includes a position of a resource element corresponding to each of the X ports. The second configuration mode is a configuration mode of X*K ports, and the second configuration mode includes a position of a resource element corresponding to each of the X*K ports. The method further includes sending, by the base station, a CSI-RS to user equipment UE using the second configuration mode of the CSI-RSs. |
US10819462B2 |
System and method for protecting communication in time-sensitive networks using shared secret information
Systems and methods described herein measure quantum bit error rates in links between switches in a time-sensitive network, identify an increase in the quantum bit error rate in a monitored link of the links between the switches, and modify a configuration of the time-sensitive network so that secret information is not exchanged over the monitored link associated with the increase in the quantum bit error rate. The systems and methods optionally can direct computing devices to change or update the quantum key at a rate that is no slower than a rate at which the messages or frames are communicated between the computing devices. For example, a new portion of secret information used for secure communications can be created for each message and/or each frame that is communicated. |
US10819457B1 |
Interference mitigation between cellular and frequency-modulated communication subsystems in a portable communication device
Portable communication device and method for mitigating interference. One example portable communication device includes a frequency-modulated (FM) communication subsystem, a cellular communication subsystem, a first electronic processor, and a second electronic processor. The FM communication subsystem includes an FM modem and at least one FM antenna. The cellular communication subsystem includes a plurality of cellular antennas, a plurality of antenna tuners, and a cellular modem. The first electronic processor is configured to generate an alert signal responsive to detecting one of an audio signal reception by the FM communication subsystem and an audio signal transmission by the FM communication subsystem. The second electronic processor is configured to receive the alert signal from the first electronic processor. The second electronic processor is also configured to responsively cause the cellular communication subsystem to set substantially constant impedances for the plurality of cellular antennas. |
US10819455B2 |
Broadcast processing method, non-transitory storage medium, and electronic device
A method for broadcast processing, a non-transitory storage medium and an electronic device are provided. The method includes: acquiring a currently-sending broadcast message in a broadcast queue; determining a type of the broadcast message; and calling an interface configured to send the broadcast message and sending the broadcast message to a corresponding broadcast receiver. |
US10819454B1 |
Vortex radiometers for cognitive antenna applications and fade prediction techniques
Vortex radiometers (VRs) for cognitive antenna applications and fade prediction techniques are disclosed. A VR may act as an early warning system for communication antennas by of measuring: (1) when a fade causing interference with or complete loss of communication signal will occur; (2) how long the fade will persist; and/or (3) how intense the fade will be. This may be accomplished by measuring atmospheric noise temperature with concentric annular antenna beam patterns. |
US10819450B2 |
Method by which terminal performs frequency measurement, and device
A method by which a terminal performs frequency measurement in a wireless communication system, and a device for supporting the same are provided. The terminal receives an intra-frequency measurement threshold value and an inter-frequency measurement threshold value for a reduced performance measurement group, measures a signal level of a serving cell, and performs frequency measurement on the basis of the measured signal level of the serving cell and the received threshold values, wherein the intra-frequency measurement threshold value can be larger than the inter-frequency measurement threshold value for the reduced performance measurement group. |
US10819449B2 |
Method and system for near-field localization
A method and system for near field localization includes providing at least one transmitting antenna and at least a first and second set of receiving antennas, the first and second set of receiving antennas provided at a known distance R12 to each other and at a first radial distance r1 and second radial distance r2 from the transmitting antenna respectively. The first radial distance r1 is determined relative to the magnetic field strength proportional to a RSSI measurement and a first subtended angle θ1. The second radial distance r2 is determined relative to the magnetic field strength proportional to a RSSI measurement and a second subtended angle θ2. The theoretical magnetic field ratio dependent on θ1, θ2 and relative rotations θ2mod, θ1mod respectively is then determined and either of θ1 and θ2 or θ1mod and θ2mod; are solved and a set of solutions determined for the first subtended angle θ1 and second subtended angle θ2 which satisfies the orientation of the transmitting antenna thereby allowing determination of the direction of the transmitting antenna. For the set of solutions of the first subtended angle θ1 and second subtended angle θ2, the error between the RSSI and a theoretical magnetic field strength is minimized and one or more solutions that converge in response to movement of the transmitting antenna are selected. |
US10819448B2 |
Detection and mitigation of antenna element failures
In order to address the potential for antenna failure in large antenna arrays, a method, a computer-readable medium, and an apparatus are provided for wireless communication, e.g., at a base station or CPE. The apparatus detects a failure of a plurality of antenna elements in an antenna array associated with an antenna module in an antenna array comprising a plurality of antenna modules. The apparatus then applies a mitigation procedure in response to detecting the failure, e.g., when a fraction of antenna elements for which a failure is detected meets a threshold. The mitigation procedure may include any of switching to a different codebook, increasing DL or UL transmission power, or a VGA. The failure may be detected by transmitting pilot signals using sets of antenna elements of the antenna array and using signal strength measurements to detect antenna element failures. |
US10819445B2 |
Waveguide and transceiver interference mitigation
Embodiments may relate to a transceiver chip. The transceiver chip may include a substrate that has a first transceiver component and a second transceiver component positioned therein. The transceiver chip may further include a well material that is positioned between the first transceiver component and the second transceiver component. The well material may mitigate cross-talk between the first transceiver component and the second transceiver component. Other embodiments may be described or claimed. |
US10819444B2 |
Methods and systems for distributing fiber optic telecommunication services to local areas and for supporting distributed antenna systems
A fiber optic network includes a fiber distribution hub including at least one splitter and a termination field; a plurality of drop terminals optically connected to the fiber distribution hub by a plurality of distribution cables; and a distributed antenna system (DAS). The DAS includes a base station and a plurality of antenna nodes. The base station is optically connected to the fiber distribution hub and the antenna nodes are optically connected to the drop terminals. Example splitters include a passive optical power splitter and a passive optical wavelength splitter. Signals from a central office can be routed through the passive optical power splitter before being routed to subscriber locations optically connected to the drop terminals. Signals from the base station can be routed through the wavelength splitter before being routed to the antenna nodes. |
US10819443B2 |
Optical communications system and optical frequency control method
The receiving-side system (10) includes a smaller number of optical reception front ends (12) than the number of a plurality of wavelength-multiplexed subcarrier signals. Each of the optical reception front ends (12) is configured to receive two or a plurality subcarrier signals of the plurality of subcarrier signals. A frequency offset monitoring unit (22) monitors frequency offsets of the respective subcarrier signals received by the optical reception front end (12). A light source frequency control unit (24) controls at least one of a light source frequency of the transmitting-side system (2) and a light source frequency of the receiving-side system (10) based on a result of the monitoring performed by the frequency offset monitoring unit (22). |
US10819440B2 |
Communication device, communication method, and communication system
A communication device of the disclosure includes a phase synchronizer, a modulator, and a controller. The phase synchronizer generates a second signal on a basis of a first signal received from a communication partner by selectively performing one of a closed loop operation and an open loop operation. The modulator is able to modulate the first signal on a basis of the second signal. The controller controls operations of the phase synchronizer and the modulator. |
US10819433B2 |
O-band optical communication system with dispersion compensation
An O-band optical communication system includes a transmitter, a receiver, and an optical fiber system coupled between the transmitter and the receiver. The optical fiber system includes at least a first fiber segment, with a positive dispersion-wavelength gradient and a first zero dispersion wavelength, coupled in series to a second fiber segment, with a negative dispersion-wavelength gradient and a second zero dispersion wavelength. When an optical signal propagating along the first fiber segment has a wavelength shorter than the first zero dispersion wavelength and experiences negative dispersion, at least partial positive dispersion compensation is provided by propagation along the second fiber segment. When light of the optical signal propagating along the first fiber segment has a wavelength longer than the first zero dispersion wavelength and experiences positive dispersion, at least partial negative dispersion compensation is provided by propagation along the second fiber segment. |
US10819431B2 |
Optical communication system and method
It are provided an optical communication system and an optical communication method. The system comprising at least two optical channels for communicating optical data signals; at least one optical filter arrangement for compensating distortions of the optical data signals communicated via the optical channels and/or crosstalk between the optical channels. The optical filter arrangement comprises at least one optical filter assigned to one of the optical channels and at least one optical filter assigned to the other one of the optical channels, wherein each one of the optical filters is configurable in such a way that different wavelength components of an incoming optical signal will be modified individually. |
US10819427B2 |
Multiuser access for optical communications
A method and associated access point for processing data for transmission to communication devices, the method comprising determining or receiving channel state information, CSI, relating to a plurality of the communication devices; for each of one or more sub-carriers, determining which communication devices can communicate using the respective subcarrier according to, or based on, the channel state information or data derived therefrom; allocating communication devices to sub-carriers upon which each communication device can communicate; and providing data for at least one or more or each communication device on the sub-carriers to which the respective communication device has been allocated. Preferably, the method uses an adaptive bit loading algorithm to allocate communication devices to sub-carriers. |
US10819426B2 |
Techniques for decoding light-based communication messages
Techniques are disclosed for decoding light based communication (LBC) messages transmitted between a transmitter device and a receiver device. The receiver device includes a processor that executes a process to decode a received LBC message. The processor determines a moving average and removes the moving average to provide a second digital message (with the moving average removed), to account for any noises or interferences. The moving average may be determined using a length-preserving moving average. The peak location in the second digital message is identified and used as a start position for synchronization when the peak location is above the threshold. Sampling points are derived, and logical maximum and minimum values (1's and 0's) are assigned to one or more of the sampling points. The logical values are decoded to generate a decoded sequence of data representative of the received LBC message. |
US10819423B2 |
Network node, an optical transceiving unit and methods therein for determining information associated with an optical fiber
A method in a network node for determining information associated with an optical fiber in a communications network. The optical fiber is connected to an optical transceiver unit. The network node configures the optical transceiver unit to transmit at least one first optical signal via the optical fiber, wherein the at least one first optical signal is an optical pulse train defined by a determined period. The network node then obtains information associated with at least one second optical signal received by the optical transceiver unit via the optical fiber in response to the transmitted at least one first optical signal. Thus, the network node may determine information associated with the optical fiber based on the obtained information. Also, an optical transceiver unit for enabling a determination of information associated with an optical fiber in a communications network and methods therein. |
US10819422B2 |
Low power radio modem
The present invention comprises a radio frequency modem with a precision timebase that utilizes a novel method of scheduling tasks to minimize average power draw of the system and extend life while running on limited power supplies. Additionally, the invention may optionally utilize the time base required for frequency hopping or spread spectrum communications as the basis for these higher powered tasks. |
US10819420B2 |
Multipath satellite backbone
A method for providing a multipath satellite backbone is disclosed. The method includes: creating sub-backbone flows over multipaths between a first peer and a second peer, wherein each of the sub-backbone flows is associated with one of the multipaths; retrieving a policy corresponding to each of the multipaths, the first peer and the second peer; receiving a transport metric for at least one of the multipaths; calculating distribution weights for the sub-backbone flows based on the policy and the transport metric; and transporting traffic over the sub-backbone flows based on the distribution weights, wherein at least one of the multipaths is relayed by a satellite. |
US10819418B2 |
Systems and methods for secure communications over broadband datalinks
Systems and methods for secure communications over broadband datalinks are provided. In certain implementations, a system for providing secure communications through a communication link includes a first communication unit that includes a processing unit that is configured to execute code that causes the first communication unit to verify messages with a firewall as they are received by the first communication unit; remove encapsulation data that encapsulates a message received from a second communication unit; check a digital signature appended to the message received from a second communication unit through a non-secure communication link; perform an integrity check on the message; and when the message is verified through the digital signature and the integrity check, process the message; wherein removal of the encapsulation data and implementation of the firewall is in a first partition and performance of the integrity check and verification of the digital signature is in a second partition. |
US10819417B2 |
ProSe relay UE activation
The present disclosure relates to a method for activating a relay functionality of a ProSe capable and relay-capable user equipment within a mobile communication network. The radio base station, to which the relay UE is connected, determines whether further relays are necessary in the radio cell controlled by the radio base station. In case further relays are necessary in the radio cell, the radio base station selects a persistence check value and transmits a broadcast message in the radio cell. The broadcast message at least indicates that further relays are necessary and comprises the selected persistence check value. Upon receiving the broadcast message, the relay UE activates its relay functionality in case it determines that relay requirements for activating its relay functionality in the radio cell are fulfilled and in case a persistence check performed by the relay UE based on the received persistence check value is successful. |
US10819411B2 |
Integrated circuit for CQI reporting in wireless communication
A mobile terminal includes circuitry, a transmitter and a receiver. The circuitry, in operation, generates a CQI for each subcarrier (SC) group of multiple subcarrier groups, a plurality of subcarriers consecutive in a frequency domain being grouped into the multiple subcarrier groups. The transmitter, in operation, reports first respective CQIs of the multiple SC groups in inconsecutive time resources based on a first period, and reports, based on a second period, second respective CQIs of the multiple SC groups in inconsecutive time resources based on the first period, the second period being longer than the first period. The receiver, in operation, receives information indicative of the first period. |
US10819409B2 |
Handling dynamic blockage in millimeter wave communication systems
Aspects are provided which handle dynamic blockage of beams transmitted by a base station to UEs in millimeter wave communication. In one aspect, the base station identifies at least two UEs with which the base station has established a link and which may be potentially blocked from the base station by a dynamic blocker such as a moving vehicle. After the potentially blocked UEs are identified, the base station schedules all identified UEs for joint beam training and receives feedback transmitted by the UEs to determine if a dynamically blocked spatial region exists. If a blockage exists, the base station performs a follow-up procedure to avoid the dynamically blocked spatial region and provide coverage for the UEs, for example, by blanking out or not using blocked beams in subsequent beam training and/or by coordinating with a neighbor cell. The base station may thus proactively improve coverage of dynamically blocked UEs. |
US10819406B2 |
Codebook-based channel state information feedback method and device
Embodiments of the present invention provide a method which includes: a terminal device is configured to send precoding matrix indicator information to a radio access network device, wherein the precoding matrix indicator information is used to indicate a precoding matrix in a codebook, and the codebook comprises information about a quantity of corresponding antenna panels and information about a phase difference between different corresponding antenna panels; and the terminal device receives downlink data from the radio access network device. |
US10819403B2 |
Changing steering matrix corresponding to MU-MIMO group to allow access points transmit on wireless communication channel simultaneously
Example method includes: receiving, by a first access point, a plurality of beamforming feedback frames from a plurality of client devices in a WLAN; overhearing, by the first access point, a first beamforming feedback frame from a second access point; calculating, by the first access point, a second beamforming feedback frame in response to receiving a sounding frame transmitted from the second access point in the WLAN; selecting, by the first access point, a first subset of the plurality of client devices and the second access point as members of a MU-MIMO group; changing, by the first access point, a steering matrix corresponding to the MU-MIMO group based on both the received plurality of beamforming feedback frames and the calculated beamforming feedback frame to allow the first access point and the second access point transmit on a particular wireless communication channel simultaneously without interfering each other. |
US10819400B2 |
Anode materials for lithium ion batteries and methods of making and using same
An electrochemically active material is represented by general formula (I): SiuSnvM1wM2x[P0.2O0.8]y·Az(I) where u, v, w, x, y, and z represent atomic % values and u+v+w+x+y+z=100, M1 includes a metal element or combinations of metal elements selected from Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zr, B, carbon, or alloys thereof, M2 includes a metal element or combinations of metal elements selected from Mg, Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, or alloys thereof, A is an inactive phase other than a phosphate or silicide, and 0 |
US10819398B2 |
Multi input multi output antenna device of terminal and method for realizing antenna signal transmission
The present disclosure provides a multi input multi output antenna device including a main board, two end areas of the main board are respectively provided with a group of antenna radiating units, a middle area of the main board is provided with a metal ground unit, wherein a first group of antenna radiating units on one end area of the main board includes a first top-layer radiating subunit and a first bottom-layer radiating subunit, a second group of antenna radiating units on the other end area of the main board includes a second top-layer radiating subunit and a second bottom-layer radiating subunit, and the metal ground unit on the middle area of the main board includes a top-layer metal ground and a bottom-layer metal ground, and a first feeding port and a second feeding port are arranged on the bottom metal ground. |
US10819396B2 |
Apparatus for die-to-die communication
In described examples, a first die includes a primary LC tank oscillator having a natural frequency of oscillation to induce a forced oscillation in a secondary LC tank oscillator of a separate second die via a magnetic coupling between the primary LC tank oscillator and the secondary LC tank oscillator. |
US10819392B2 |
Access point and methods for communicating with guided electromagnetic waves
In accordance with one or more embodiments, an access point includes a first communication interface having: a first coupler configured to receive, via a first transmission medium, first guided electromagnetic waves from a first waveguide system of a distributed antenna system, wherein the first guided electromagnetic waves propagate along the first transmission medium without requiring an electrical return path; and also a first receiver configured to receive first data from the first guided electromagnetic waves. A data switch is configured to select first selected portions of the first data for transmission to at least one communication device in proximity to the access point. |
US10819389B2 |
Reducing adjacent channel interference for wireless vehicular messages
The disclosure describes embodiments for reducing adjacent channel interference for wireless vehicular messages. In some embodiments, a method includes monitoring, by an onboard vehicle computer, a channel of a Vehicle-to-Everything (V2X) radio for a V2X message. The method includes determining waveform data describing a waveform that is measured on the channel by the onboard vehicle computer when monitoring the channel. The method includes determining interference data which describes an adjacent channel interference waveform which is measured on the channel by the onboard vehicle computer when monitoring the channel. The waveform includes the adjacent channel interference waveform. The method includes canceling out the adjacent channel interference waveform described by the interference data from the waveform described by the waveform data to generate digital data describing a version of the V2X message that substantially does not include the adjacent channel interference waveform, thereby reducing the adjacent channel interference for the V2X message. |
US10819382B2 |
Transceiver circuit
A transceiver circuit includes a first port and second port configured to be coupled to a first and second transmission channel, respectively; a supply port configured to receive a supply voltage; a first transceiver and a second transceiver having signal ports connected to the first port and second port, respectively; and a control circuit coupled to the first and second transceivers. Each of the first and second transceivers is connected to the supply port. At least one of the first and second transceivers includes a first half-bridge and a second half-bridge connected to the supply port and to the signal port at least one of the first and second transceivers, and a transceiver output circuit configured to generate a transceiver output signal based on a voltages across a low-side switches of the first and second half-bridges. |
US10819381B2 |
Electronic device including glass plate
An electronic device according to certain embodiments includes a housing, a first glass plate coupled to the housing and defining an inner space, the first glass plate including a peripheral portion including: a first, second, third, fourth, and fifth surface forming an edge of the glass plate, the first and fifth surfaces being substantially parallel and the third surface being substantially perpendicular to the first and fifth surfaces, a decorative layer formed of a first material, disposed on a first area of the fifth surface such that a second area disposed between the fourth surface and the first area is uncovered by the decorative layer, and a protective layer formed of a second material, covering the second surface, the third surface, the fourth surface, the second area of the fifth surface, and a part of the decorative layer. |
US10819380B2 |
Cover of portable terminal and electronic device including the same
Provided is a portable terminal cover. The portable terminal cover includes a plurality of transparent side surfaces configured to cover a plurality of side surface display parts of a portable terminal and a front surface configured to cover a top surface display part of the portable terminal and connected to at least one side surface of the side surfaces and thereby to confirm an image provided on the side surface display parts while protecting the side surface display parts of the portable terminal. |
US10819370B2 |
Transmission apparatus, transmission method, reception apparatus and reception method
Disclosed are an encoder, a transmitting device, a coding method and a transmission method with which the transmission amount is reduced and a deterioration in transmission efficiency is suppressed while improving reception quality when QC-LDPC or a like block coding is used. A puncture pattern setting unit searches for a puncture pattern for each integral multiple of the number of columns or for each divisor of the number of columns of a sub block matrix that forms a check matrix (H) of a QC-LDPC code, and a puncture unit (data reduction unit) switches the puncture pattern for each integral multiple of the number of columns or for each divisor of the number of columns of the sub block matrix that forms the check matrix of the QC-LDPC code. |
US10819369B2 |
Methods, devices and systems for hybrid data compression and decompression
Methods, devices and systems enhance compression and decompression of data blocks of data values by selecting the best suited compression method and device among two or a plurality of compression methods and devices, which are combined together and which said compression methods and devices compress effectively data values of particular data types; said best suited compression method and device is selected using as main selection criterion the dominating data type in a data block by predicting the data types within said data block. |
US10819368B2 |
Method for compressing and restoring time series data
A method for compressing time series data includes: reading original data including time series data; measuring a unit of the original data; determining a threshold for determining a range allowing for a difference between compressed data and the original data; performing longest distance downsampling to preserve an abnormal point of the original data; storing a start point and an end point of the original data; performing drop-out on the longest distance downsampling result, wherein the drop-out is not performed for the start point and the end point; and if the number of values of the original data is smaller than α times the original data length, storing at least one of the values of the original data as a reference point, wherein α is a real number having a value between 0 and 1. |
US10819365B1 |
Utilizing current memory property in current steering digital-to-analog converters
Improved switching techniques for controlling three-level current steering DAC cells are disclosed. The techniques include decoupling two current sources, implemented as field-effect transistors (FETs), of a DAC cell both from their respective bias sources and from a load for converting a zero digital input, where the decoupling is performed in a certain order. The techniques also include coupling the current sources to their respective bias sources and to the load for converting a non-zero digital input, where the coupling is also performed in a certain order. The certain order of decoupling and coupling the bias sources and the load to the current sources of a DAC cell are based on the phenomenon of current memory in FETs. Utilizing current memory when operating a DAC cell may allow reducing power consumption while preserving the high performance properties of a three-level current steering DAC. |
US10819363B2 |
Modulators
This application relates to time-encoding modulators (TEMs). A TEM receives an input signal (SIN) and outputs a time-encoded output signal (SOUT). A filter arrangement receives the input signal and also a feedback signal (SFB) from the TEM output, and generates a filtered signal (SFIL) based, at least in part, on the feedback signal. A comparator receives the filtered signal and outputs a time-encoded signal (SPWM) based at least in part on the filtered signal. The time encoding modulator is operable in a first mode with the filter arrangement configured as an active filter and in a second mode with the filter arrangement configured as a passive filter. The filter arrangement may include an op-amp, capacitance and switch network. In the first mode the op-amp is enabled, and coupled with the capacitance to provide the active filter. In the second mode the op-amp is disabled and the capacitance coupled to a signal path for the feedback signal to provide a passive filter. |
US10819360B2 |
Delta-sigma modulator, delta-sigma modulation type A/D converter and incremental delta-sigma modulation type A/D converter
A ΔΣ modulator includes an input circuit having a sampling capacitor, an integration circuit, a quantizer and a D/A converter having a DAC capacitor. The input circuit takes in an analog input voltage in the sampling capacitor in a sampling period, and transfers a charge to the integration circuit in a holding period. The D/A converter takes in an analog potential, to which selection switches are connected in the sampling period based on a digital output of the quantizer, in the DAC capacitor, and subtracts a charge from the integration circuit in the holding period. At this time, since the input circuit and the D/A converter are set so that the holding periods do not overlap with each other, an error caused by the lowering of a feedback factor is suppressed. |
US10819356B2 |
PLL frequency synthesizer
A PLL frequency synthesizer includes a voltage controlled oscillator that outputs an oscillation signal having a frequency corresponding to a control voltage value, a phase comparison unit that outputs a phase difference signal representing a phase difference between a feedback oscillation signal and a reference oscillation signal, a charge pump that outputs a charge and discharge current according to the phase difference, a loop filter that outputs the control voltage value, which is increased or decreased according to a charge and discharge amount of a capacitive element, to the voltage controlled oscillator, a detection unit that detects a change rate of the control voltage value, and a control unit that adjusts the charge and discharge current, a characteristic of the loop filter, or a characteristic of the voltage controlled oscillator based on a detection result of the detection unit. |
US10819353B1 |
Spur cancellation in a PLL system with an automatically updated target spur frequency
A spur target frequency is periodically determined to cancel a spur using a spur cancellation circuit in a first phase-locked loop (PLL) in a system with at least a second PLL that is in lock with the first PLL. The spur target frequency is periodically determined utilizing divide ratios of the first PLL and the second PLL to determine the updated spur target frequency. As one or more of the divide ratios change, the spur frequency changes and the spur target frequency is updated to reflect the change. |
US10819345B2 |
Logic drive with brain-like elasticity and integrality based on standard commodity FPGA IC chips using non-volatile memory cells
A chip package comprises an interposer; an FPGA IC chip over the interposer, wherein the FPGA IC chip comprises a programmable logic block configured to perform a logic operation on its inputs, wherein the programmable logic block comprises a look-up table configured to be provided with multiple resulting values of the logic operation on multiple combinations of the inputs of the programmable logic block respectively, wherein the programmable logic block is configured to select, in accordance with one of the combinations of its inputs, one from the resulting values into its output, and multiple non-volatile memory cells configured to save the resulting values respectively; multiple first metal bumps between the interposer and the FPGA IC chip; and an underfill between the interposer and the FPGA IC chip, wherein the underfill encloses the first metal bumps. |
US10819341B2 |
Systems and methods for indicating real time availability of key assemblies for user input to an information handling system
Systems and methods are disclosed that may be implemented to indicate real time availability of individual key assemblies for user input to an information handling system. In one embodiment, the disclosed systems and methods may be implemented to retract an individual key assembly of a user input device (e.g., such as keyboard matrix, game controller, game pad, computer mouse, etc.) when the key assembly is, or becomes, unavailable for input to a user application (e.g., such as a computer game) that is executing on a host programmable integrated circuit (e.g., such as host CPU) of an information handling system. Such a retracted key assembly may then be extended when it becomes available for input to the user application. |
US10819330B2 |
Electronic circuit
In one embodiment, a circuit includes a plurality of elementary transistors connected in parallel between a node of application of a first potential of a power supply voltage and a node for coupling a load. The plurality of transistors includes a first assembly of elementary transistors having their gates coupled to a control node by a first circuit and a second assembly of elementary transistors having their gates coupled to the control node by a second circuit. The second circuit has two states, where the first and second circuits are configured to supply a substantially identical control voltage to the gates of the first and second assemblies of elementary transistors when the second circuit is in one of the two states. |
US10819322B2 |
Frequency doubling apparatus and method thereof
An apparatus is provided that includes a frequency doubler circuit and a duty cycle adjusting circuit. The frequency doubler circuit includes a multiplexer, a variable delay circuit and a divide-by-2 circuit. The multiplexer selects one of a first and a second clock signals having opposite phases according to a selection signal to generate a frequency doubled clock signal. The variable delay circuit delays the frequency doubled clock signal. The divide-by-2 circuit divides a frequency of the frequency doubled clock signal to generate the selection signal. The duty cycle adjusting circuit includes an average voltage generation circuit and a comparison circuit. The average voltage generation circuit generates an average voltage value of the frequency doubled clock signal. The comparison circuit generates a control signal according to a comparison result of the average voltage value and a reference voltage to control the duty cycle of the frequency doubled clock signal. |
US10819320B2 |
Arrangement comprising an electrical pulse generating module
An arrangement (100) is disclosed, comprising an electrical pulse generating module (10) configured to generate at least one electrical pulse, and a transformer (20) electrically connected to the electrical pulse generating module (10). The electrical pulse generating module (10) comprises an electrical energy storage module (40) that can be charged or discharged, and a switch unit (50) controllably switchable between at least a conducting state and a non-conducting state. When the switch unit (50) is switched into the non-conducting state, a power supply (30) charges the electrical energy storage module (40) by way of a charging current. When the switch unit (50) is switched into the conducting state, the electrical energy storage module (40) is discharged to create an electrical pulse to be received by the transformer (20). The electrical pulse generating module (10) comprises a flyback protection unit (60) configured to protect the switch unit (50) against flyback upon the switch unit (50) being switched into the non-conducting state. The flyback protection unit (60) forms a current path (65) that bypasses the transformer (20), and is configured such that a relation between the voltage drop across the flyback protection unit (60) for the charging current and the voltage drop across the transformer (20) for the charging current is such so as to cause the charging current to be directed via the transformer (20) at least to some extent. |
US10819319B1 |
Level shifter circuit with self-gated transition amplifier
A level shifter circuit configured to convert a digital input signal with a first high logic level to a digital output signal having a second high logic level substantially higher than the first high logic level is provided. The level shifter circuit may include a PMOS latch circuit configured to receive the digital input signal and having first and second latch outputs and a current mirror circuit having a mirror input and a mirror output. The mirror input may be at least partly gated by a switch having a control input. The mirror output may be coupled to the first latch output. The control input may be coupled to the first or second latch outputs, and the digital output signal is provided from the first and/or second latch outputs. |
US10819318B1 |
Single event upset immune flip-flop utilizing a small-area highly resistive element
An SEU immune flip-flop includes a master stage data latch having an input, an output, a clock input, being transparent in response to a clock signal first state and being latched in response to a clock signal second state, a slave stage data latch having an input coupled to the master stage data latch output, an output, a scan output, a slave latch clock input, a scan slave latch having an input coupled to the slave stage data latch scan output, an output, and a clock input, being transparent in response to the clock signal second state and being latched in response to the clock signal first state. The slave stage data latch includes a switched inverter disabled when the slave latch is in a transparent state and enabled when the slave latch is in a latched state having a time delay longer than an SEU time period. |
US10819309B1 |
Transversely-excited film bulk acoustic resonator package and method
Acoustic resonator devices and filters are disclosed. A piezoelectric plate is attached to a substrate, a portion of the piezoelectric plate forming a diaphragm spanning a cavity in the substrate. A first conductor pattern is formed on a surface of the piezoelectric plate. The first conductor pattern includes interleaved fingers of an interdigital transducer disposed on the diaphragm, and a first plurality of contact pads. A second conductor pattern is formed on a surface of a base, the second conductor pattern including a second plurality of contact pads. Each pad of the first plurality of contact pads is directly bonded to a respective pad of the second plurality of contact pads. A ring-shaped seal is form between a perimeter of the piezoelectric plate and a perimeter of the base. |
US10819307B2 |
Crystal unit and manufacturing method thereof
A crystal unit includes an AT-cut crystal element that has a planar shape in a rectangular shape and a part as a thick portion. The crystal element includes a first end portion, a first depressed portion, the thick portion, a second depressed portion, and a second end portion in an order from a side of one short side in viewing a cross section taken along a longitudinal direction near a center of the short side. The first depressed portion is a depressed portion disposed from the thick portion toward the first end portion side, depressed with a predetermined angle θa and subsequently bulged, and connected to the first end portion. The second depressed portion is a depressed portion disposed from the thick portion toward the second end portion side, depressed with a predetermined angle θb and subsequently bulged, and connected to the second end portion. |
US10819306B2 |
Lossless lobing circuit for multi-subarray tracking
A multiport microwave device includes a first reactive three-port microwave device, a second reactive three-port microwave device, a third reactive three-port microwave device, and a matched four-port microwave device. The four-port microwave device includes first and second input ports and first and second output ports communicatively coupled to one another. A first port of each of the first, second and third three-port microwave devices is operative to receive a microwave signal, and a first output port and a second output port of the four-port microwave device are each operative to output a microwave signal. A second port of the first microwave device is communicatively coupled to a second port of the second microwave device, a second port of the third microwave device is communicatively coupled to a third port of the second microwave device, and a third port of the first microwave device is communicatively coupled to the first input port the four-port microwave device. A third port of the third microwave device is communicatively coupled to the second input port of the four-port microwave device. |
US10819303B1 |
Amplifier with gain boosting
In certain aspects, an amplifier includes a first transistor including a gate, a drain, and a source, wherein the gate of the first transistor is coupled to a first input of the amplifier. The amplifier also includes a second transistor including a gate, a drain, and a source, wherein the gate of the second transistor is coupled to a second input of the amplifier. The amplifier further includes a first signal path coupled between the first input of the amplifier and the source of the second transistor, a second signal path coupled between the second input of the amplifier and the source of the first transistor, a first load coupled to the drain of the first transistor, and a second load coupled to the drain of the second transistor. |
US10819301B2 |
Audio loudness control method and system based on signal analysis and deep learning
The present disclosure relates to a method and system for controlling loudness of an audio based on signal analysis and deep learning. The method includes analyzing an audio characteristic in a frame level based on signal analysis, analyzing the audio characteristic in the frame level based on learning, and controlling loudness of the audio in the frame level, by combining the analysis results. Accordingly, reliability of audio characteristic analysis can be enhanced and audio loudness can be optimally controlled. |
US10819299B2 |
Process and temperature insensitive linear circuit
A circuit includes a front end section configured to receive input current signals; a programmable gain amplifier section coupled to the front end section, the programmable gain amplifier section including a plurality of inverters connected in series without a resistor disposed therebetween; and an output buffer section coupled to the programmable gain amplifier section and configured to output voltage signals. |
US10819295B2 |
Semiconductor device and memory system
According to one embodiment, there is provided a semiconductor device comprising a first differential amplifier circuit. The first differential amplifier circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, and a sixth transistor. The second transistor's gate and drain are connected to the first transistor. The third transistor is diode-connected through the first transistor or diode-connected without passing through the first transistor. The fourth transistor is diode-connected through the second transistor or diode-connected without passing through the second transistor. The fifth transistor forms a first current mirror circuit with the third transistor. The sixth transistor is connected to a drain of the first transistor in parallel with the third transistor and forms a second current mirror circuit with the fifth transistor. |
US10819294B1 |
Dynamic biasing circuit
A circuit includes first and second gain stages and an output transistor. The second gain stage includes a transconductance amplifier and a variable impedance circuit coupled to an output of the transconductance amplifier. The variable impedance circuit is configured to implement a first impedance level at frequencies below a first frequency threshold and to implement a second impedance level at frequencies above a second frequency level. The first impedance level is larger than the second impedance level. The output transistor has a control input coupled to the variable impedance circuit. At frequencies above the second frequency threshold, the second impedance level is configured to be inversely related to current through the output transistor. |
US10819292B2 |
Linear amplifying device, input signal supplying method, and origin avoiding circuit used therein
Ringing of a signal after passing through a low pass filter in an LINC type linear amplifier is remedied. A linear amplifying device includes the linear amplifier including the low pass filter for removing high-frequency components; and an origin avoiding circuit which receives an original input signal and is provided upstream of the linear amplifier. If the original input signal is sampled in the vicinity of an origin, the origin avoiding circuit modifies a sampled value so at to replace the sampled value with a fixed value, and supplies the modified input signal to the linear amplifier. |
US10819284B2 |
Circuits for modulated-mixer-clock multi-branch receivers
Circuits comprising: a plurality of LNTA branches, each comprising: a cascode common-source (CCS) LNTA, a plurality of passive mixers (PMs), and a plurality of baseband two-stage Miller compensated TIAs (BB2S-TIAs); a plurality of mixer-first branches, each comprising: a plurality of RF switches, a plurality of baseband folded-cascode TIAs (BBFC-TIAs), and a plurality of Cherry-Hooper amplifiers, wherein an input to each of the BBFC-TIAs is provided by an output of at least one of the RF switches, and an input to each of the amplifiers is provided by an output of a corresponding one of the BBFC-TIAs; a first plurality of clock modulators that provide first non-overlapping modulated clocks that are provided to an input of the PMs; and a second plurality of clock modulators that provide a plurality of tri-level modulated mixer clocks that control the switching of the RF switches. |
US10819277B2 |
Oscillator circuit
A differential Colpitts oscillator circuit is described which provides a larger tuning range, has better phase noise and uses less power than conventional differential Colpitts oscillator circuits. The circuit is characterized by a capacitive ladder in which only variable capacitor is used for tuning the circuit. In some embodiments, a variable capacitor can be used for fine tuning. |
US10819276B1 |
Broadband integrated RF magnetic antenna
A RF antenna or sensor comprising substrate with at least a pair of resonators bonded thereto, whereon a first one of the at least a pair of resonators is coated with a magnetostrictive film and a second one of the at least a pair of resonators is not coated with a magnetostrictive film. The resonators are preferably connected to sustaining circuits to form oscillators and the oscillators a preferably used within a phase lock loop to detect the magnetic component of an incident RF field with a bandwidth determined by the phase lock loop. Also disclosed is a method of making a RF sensor or antenna comprises providing a substrate of a semiconductor material, simultaneously forming two resonators on the substrate, and during the forming of the resonators a resist coating partially covering a first one of the resonators and completely covering a second one of the resonators is applied. Then, a magnetostrictive material is deposited to regions not covered by the resist coating. Thereafter, the resist coating is removed thereby leaving the magnetostrictive material deposited on only one of the two resonators. |
US10819274B2 |
Device and method for optimally adjusting the lens plate in a CPV module
The invention relates to a device and a method for optimally adjusting the lens plate in a CPV module which consists of a plurality of CPV sensors and a plurality of lenses mounted over the sensors at a distance from the focal length of said sensors in a container, having the following features: a) a sensor support plate (1) with a plurality of CPV sensors (5), b) a lens plate (2) with a number of lenses, said number corresponding to the number of CPV sensors, c) a fixed lens plate (3) mounted parallel to the position of the lens plate (2), d) a number of sensors which are oriented parallel to the lens plate (3), said number corresponding to the number of CPV sensors, e) two devices (12, 13) for adjusting the lens plate (2) in two horizontal directions, and f) a control device (9) for evaluating output signals, said control device (9) controlling the two devices (12, 13) dependent on characteristics of the output signals. |
US10819273B2 |
Tilting solar panels for high altitude balloons
A stratospheric balloon may include an upper structure having a pulley, a lower structure, at least one solar panel suspended between the upper structure and the lower structure, and a first orientation control member connected, at a first end thereof, to a first transverse edge of the at least one solar panel and, at a second end thereof, to a second transverse edge of the at least one solar panel. The first orientation control member is wound about the pulley such that rotating the pulley changes the orientation of the at least one solar panel relative to the upper structure and the lower structure. In another example, the pulley may be replaced by first and second support mechanisms and the system may include a second orientation control member. The first and second orientation control members are connected to the first and second support mechanisms, respectively, and to the solar panel. |
US10819267B2 |
Controller for switched reluctance motor
A controller for a switched reluctance motor is provided. The switched reluctance motor includes a rotor, a stator, and a coil wound on the stator. The switched reluctance motor is mounted on a vehicle as a drive source for propelling the vehicle. The controller includes an electronic control unit. The electronic control unit is configured to execute first control for exciting the coil at a first current value in a first exciting range. The electronic control unit is configured to, when the electronic control unit determines that the vehicle is not able to start moving even when the electronic control unit executes the first control, execute second control for exciting the coil at a second current value larger than the first current value in a second exciting range narrower than the first exciting range. |
US10819266B2 |
Motor driving system and motor driving method
Provided are a motor angle detector for detecting a motor angle, a current detector for detecting a motor current value to drive a motor, a vehicle inclination angle detector for detecting a vehicle inclination angle, a motor control circuit for outputting a control signal to control the driving of the motor, and a storage apparatus. The storage apparatus stores data obtained by associating the motor current value, a setting value in the motor control circuit for outputting the control signal, the vehicle inclination angle, and the motor angle at a first time with each other, and the motor control circuit controls the driving of the motor on the basis of information of the motor current value and the vehicle inclination angle at a second time and the data at the first time. |
US10819265B2 |
Method and apparatus for controlling an electric machine
The invention relates to a method for controlling an electric machine (2) subjected to some extent to a reluctance moment in the event of a fault, said method involving the steps of detecting (S1) a degree of demagnetization (10) of the electric machine (2) in the event of a fault, adjusting (S2) a target value generation for controlling the electric machine (2) on the basis of the degree of demagnetization (10), and controlling (S3) the electric machine (2) on the basis of the adjusted target value generation. The invention further relates to a corresponding apparatus (1). |
US10819262B2 |
Power generation system, system for suppressing sub-synchronous oscillation and method for controlling operation of power system
The present invention discloses a power generation system including a double-fed induction generator, a power converter, and a controller. The double-fed induction generator includes a rotor and a stator coupled to a grid. The power converter includes a rotor side converter coupled to the rotor of the generator, a grid side converter coupled to the grid, and a DC bus coupled between the rotor side converter and the grid side converter. The controller includes a rotor side controller for controlling the rotor side converter and a grid side controller for controlling the grid side converter. The rotor side controller includes a compensator having a transfer function and configured to counter a negative resistance effect of the generator to suppress sub-synchronous oscillations. The present invention further discloses a system for suppressing sub-synchronous oscillations and a method for controlling operation of a power system. |
US10819259B2 |
Permanent magnet based electric machine having enhanced torque
An electric machine is presented. The electric machine includes a stator. The electric machine further includes rotor disposed adjacent to the stator. The rotor includes a rotor core, a plurality of permanent magnets disposed in contact with the rotor core, a plurality of permanent magnets disposed in contact with the rotor core to modulate torque exerted on the rotor. |
US10819258B2 |
Method and circuit for controlling or starting a U-shape single phase synchronous permanent magnet motors
A method and circuit for controlling or starting a U-shape single phase synchronous permanent magnetic motor (U-SPSPM motor) having a rotor and a stator and coupled to a single phase alternating current (AC) power source through a switch, including estimating back electromotive force (back-EMF) of the motor based on an observer model with inputs indicative of the measured signals, and triggering the switch to supply power to the motor based on the estimates of the back-EMF. |
US10819257B1 |
Reconstruction of an average motor supply current using phase current measurement
Systems and methods for computing an average supply current to a motor include a current sensor that is configured to sense a current through the motor. A converter is configured to sample the output of the current sensor at times that are established by a trigger signal and convert the samples into digital current values. A trigger signal generator generates the trigger signal based on one or more pulse width modulated (PWM) motor control signals within a PWM cycle. An average supply current value that indicates the average supply current to the motor is computed by a controller using the digital current values received from the converter. |
US10819252B2 |
Adaptive hybrid wireless power generation using piezoelectric element and power beaming in hydraulic systems
A device, system and method for harvesting electrical power from hydraulic fluid of a hydraulic system determines at least one of hydraulic fluid flow or hydraulic fluid pressure in the hydraulic system. Based on rules and the determined at least one of the hydraulic fluid flow or hydraulic fluid pressure, an expected conversion efficiency of the power conversion device and an expected rectified power to be generated from the received input power by the power conversion device are determined. From the expected rectified power a potential conversion efficiency of the power conversion device is determined, and the power conversion device is commanded to produce the expected rectified power when the potential conversion efficiency is greater than or equal to the expected conversion efficiency. When the potential conversion efficiency is less than the expected conversion efficiency, the rules are updated. |
US10819250B1 |
Multilevel inverter to generate an alternating current voltage from one or more direct current sources
A multilevel inverter includes an inner DC source group circuit that generates a plurality of voltage levels, and an outer DC source group circuit that generates a substantially sinusoidal output voltage. The substantially sinusoidal output voltage is generated using, at least in part, the plurality of voltage levels generated by the inner DC source group circuit. An H-bridge circuit supplies the substantially sinusoidal output voltage at alternating polarities to a load. |
US10819249B2 |
Control of phase currents of inverters that are connected in parallel
Disclosed is a method for controlling phase currents of a plurality of three-phase inverters connected in parallel. The phase currents of each inverter are controlled by direct hysteresis current control wherein an actual current space vector for actual values of the phase currents of each inverter is maintained about a target current space vector within a hysteresis window. The measured current space vector of a first inverter is formed by all three phase currents of the first inverter. The actual current space vector of each additional inverter is formed from exactly two phase currents of the respective additional inverter under the proviso that all three phase currents of the additional inverters add up to zero. The selection of the two phase currents from which the actual current space vector is formed, is varied. |
US10819247B2 |
Direct-current power supply device with primary and secondary magnetic cores
This DC power supply device comprises: a transformer having a primary magnetic core, a secondary magnetic core, at least one primary coil wound on the primary magnetic core, and a plurality of secondary coils wound on the secondary magnetic core; and at least one bridge composed of transistors. The DC power supply device has: a primary circuit connected to the primary coil; and a plurality of secondary circuits respectively connected to the plurality of secondary coils and each having a first secondary resonance capacitor, a second secondary resonance capacitor, and a smoothing circuit. The primary circuit and the plurality of secondary circuits are electrically insulated from each other by the transformer. In the plurality of secondary circuits, output parts of respective smoothing circuits are serially connected to each other. The primary magnetic core and the secondary magnetic core are disposed to face each other with an insulator disposed therebetween. |
US10819246B2 |
Power supply circuit based on feedback signal, power supply device and control method
Provided are a power supply circuit, a power supply device and a control method. The power supply circuit includes a primary rectifier unit, a modulation unit, a transformer, a secondary rectifier and filtering unit, a current feedback unit, and a control unit. The power supply circuit removes a liquid electrolytic capacitor at a primary side. Moreover, the control unit may determine a type of a voltage of input alternating current, and set a current limit value in the current feedback unit according to the type of the voltage of the alternating current. |
US10819241B2 |
Isolated DC/DC converter for controlling power flows between three DC terminals
A converter for controlling power flows between three electricity networks with different operating voltages. The converter includes, in one implementation, three terminals and two converter cells. Each of the three terminals are configured to electrically contact-connect one of the three electricity networks. Each of the two converter cells includes a transformer having three converter cells. One of the terminals is connected to a series circuit of the converter cells. Another of the terminals is connected to a parallel circuit of the converter cells. |
US10819240B2 |
Apparatus and method for adaptively setting the proper range for the VCM control variable based upon clipping of the main regulation loop
A power converter including: a dual output resonant converter including a first output, a second output, a common mode control input, and a differential mode control input, wherein a voltage/current at the first output and a voltage/current at the second output are controlled in response to a common mode control signal received at the common mode control input and a differential mode control signal received at the differential mode control input; a dual output controller including a first error signal input, a second error signal input, a common mode control output, and a differential mode control output, wherein the dual output controller is configured to generate the common mode control signal and the differential mode control signal in response to a first error signal received at the first error signal input and a second error signal received at the second error signal input, wherein the first error signal is a function of the voltage/current at the first output and the second error signal is a function of the voltage/current at the second output, and wherein the common mode control signal is output from the common mode control output and the differential mode control signal is output from the differential mode control output; and a common mode signal offset circuit configured to generate a common mode signal offset signal wherein the common mode signal offset signal adjusts a difference in output power between the first output and the second output of the dual output resonant converter. |
US10819235B2 |
Power converter
A power converter including: a first branch and a second branch of at least two series-connected switches each, coupled in parallel between a first terminal and a second terminal and having the junction points of their switches coupled to two terminals of application of a first voltage; a third branch and a fourth branch of at least two series-connected switches each, coupled in parallel between a third terminal and a fourth terminal, and having the junction points of their switches coupled to two terminals for supplying a second voltage; and at least one piezoelectric element coupling the first terminal to the third terminal. |
US10819234B2 |
Switching converter with a self-operated negative boost switch
A system includes an inductor, and a first switch coupled between a first end of the inductor and a voltage supply node. The system also includes a second switch coupled between the first end of the inductor and a negative output supply node, wherein the second switch comprises a self-operated arrangement. The system also includes a third switch coupled between a second end of the inductor and a positive output supply node. The system also includes a fourth switch coupled between the second end of the inductor and a ground node. The system also includes a controller coupled to the first, second, third, and fourth switches. |
US10819233B2 |
Switched common-mode current control for single-inductor-multiple-output (SIMO) power converters
A power converter includes a voltage source for generating an input voltage, and a regulation circuit for generating a set of output voltages based on the input voltage. The regulation circuit regulates the set of output voltages in different manners based on whether the set of output voltages is greater or less than a set of corresponding reference voltages, respectively. If one or more output voltages are less than one or more of the corresponding reference voltages, the regulation circuit regulates only those one or more output voltages during a current regulation interval based on an error voltage related to one or more differences between the one or more output voltages and the corresponding one or more reference voltages, respectively. If all output voltages are greater than the corresponding reference voltages, the regulation circuit regulates only the output voltage associated with the largest load current during the current regulation interval. |
US10819228B2 |
Charge pump capacitor coupled to input, reference voltage for overvoltage
This disclosure describes techniques for controlling a power supply voltage for a high-side gate driver that is used in a power converter. In some examples, in response to an overvoltage condition that occurs on an input voltage lead of a power converter, a power converter may decouple a terminal of a charge pump capacitor from the input voltage lead, and couple the terminal of the capacitor to a reference voltage lead. In further examples, in response to an overvoltage condition that occurs on an input voltage lead of a power converter, a power converter may turn off both switching transistors. |
US10819227B2 |
Power converter, inductor element and control method of phase shedding
An N-phase power converter has N phases with outputs connected in parallel and outputs connected in parallel. The converter comprises: N switch units, wherein each phase of the N-phase power converter comprises one of the N switch units; and an integrated inductor unit, comprising M inductor subunits, wherein M is a natural number greater than or equal to 2, each inductor subunit comprises i inductors, i is a natural number greater than or equal to 2, N>M×i or N=M×i, M×i of the inductors in the integrated inductor unit are respectively coupled to M×i of the N switch units, wherein: the i inductors of each of the inductor subunit are inverse-coupled to each other, the coupling coefficient between the M inductor subunits is less than the coupling coefficient between the i inductors in each of the inductor subunits. |
US10819226B2 |
Systems and methods for reducing electromagnetic interference using switching frequency jittering
System and method are provided for regulating a power converter. The system includes a signal processing component configured to receive a first input signal and a second input signal, process information associated with the first input signal and the second input signal, and output a drive signal to a switch based on at least information associated with the first input signal and the second input signal. The first input signal is associated with at least a feedback signal related to an output voltage of the power converter. The second input signal is associated with at least a primary current flowing through a primary winding of the power converter. The signal processing component is further configured to change a peak value of the primary current within a first predetermined range, and change the switching frequency of the power converter within a second predetermined range. |
US10819222B2 |
Circuitry for power factor correction and methods of operation
A circuit is proposed comprising (i) a first switching path comprising at least one electronic switch, wherein the first switching path can turn off in both directions and can turn on in both directions, and (ii) a second switching path comprising two electronic switches and at least one capacitance, wherein one diode path per electronic switch is embodied in parallel with the electronic switch or in series with the electronic switch. Additionally, a method for operating such a circuit is specified. |
US10819218B2 |
Power converter for electric vehicle
A power converter for an electric vehicle that converts output of a battery to driving an electric traction motor is disclosed. The power converter may include: a power switching element; a current sensor provided on a bus bar in which an output current of the switching element flows; a cooler cooling the switching element; a temperature sensor measuring a temperature of a coolant; and a controller controlling the switching element. The controller may be configured to: estimate a temperature of the current sensor based on the temperature of the coolant; determine a first and second correction values for the estimated temperature based on the output current and an input voltage applied to the switching element; and restrict a load on the switching element when a corrected temperature, which is obtained by adding the first and second correction values to the estimated temperature, exceeds a predetermined temperature threshold. |
US10819217B2 |
Power conversion device and communication method
A power conversion device includes: power conversion circuitry including a plurality of submodules connected in series to each other; a protection device generating a protection command for protecting each submodule; and one or more relay devices outputting the protection command to each submodule. The relay device includes: a first communication circuit for communicating with the protection device; and a second communication circuit for communicating with the power conversion circuitry. The first communication circuit transmits the stop command to the second communication circuit through a first communication channel, and transmits different information different from the stop command to the second communication circuit through a second communication channel. The communication speed of communication through the first communication channel is higher than that of communication through the second communication channel. |
US10819214B2 |
Active compensation circuit and system
An active compensation circuit is disclosed. In an embodiment a circuit includes a first compensation stage and at least one other compensation stage, wherein each of the first compensation stage and the at least one other compensation stage includes a sensor configured to provide a sensor signal being representative of a current flowing in one or more phases, a controlled current sink configured to supply a compensation current as a function of the sensor signal and an active amplifier element configured to provide a frequency response of an open circuit voltage amplification and/or is to supply a maximal output current, wherein the frequency response differs from a frequency response of at least one other active amplifier and/or wherein the maximal output current differs from a maximal output current of at least one other active amplifier. |
US10819213B2 |
Zero-current detector for voltage converter
A method for detecting zero-current of a voltage converter includes resetting a comparator output during a first period when a power switch of the voltage converter is turned on, and receiving, by an offset cancellation circuit, sample signals from the comparator. The method also determines a comparator offset using the sample signals. In response to an output voltage of the voltage converter being less than a threshold voltage, the comparator output is reset during a second period when the power switch is turned off. The comparator compares a first signal from the voltage converter with a second signal representing a ground voltage to generate a ZCD signal indicative of a comparison of the first and second signals. Then, an offset cancellation signal indicative of the determined comparator offset is generated to cancel the comparator offset. |
US10819212B1 |
Gate driver and power converter
A gate driver includes: a gate drive unit configured to drive a gate of a switching element in accordance with an input signal that commands to turn on or to turn off the switching element; a timing determination unit configured to measure an on-time width from when the input signal is switched to an on-command to when the input signal is switched to an off-command, and configured to determine, based on the measured on-time width, an intermediate timing that is before switch-off surge voltage of the switching element reaches a peak; and a driving condition changing unit configured to change a gate driving condition of the switching element at the intermediate timing determined by the timing determination unit. |
US10819211B2 |
Secondary-side control circuit, control method and flyback converter thereof
A method of controlling a secondary-side rectifier switch of a flyback converter, can include: detecting a slope parameter of a secondary-side detection voltage along a predetermined direction, where the secondary-side detection voltage is configured to represent a voltage across a secondary winding of the flyback converter; and controlling the secondary-side rectifier switch to turn on when the slope parameter is greater than a slope parameter threshold, and a relationship between the secondary-side detection voltage and the ON threshold meets a predetermined requirement. |
US10819209B2 |
Multi-source energy harvester system and power conversion apparatus and method thereof
A multi-source energy harvester system includes a power conversion apparatus. First and second energy harvesters respectively harvest first and second energy and respectively provide first and second input powers. The power conversion apparatus includes an adjustable impedance matching circuit and a power conversion circuit. The impedance matching circuit generates an adjusted power according to the first input power. The power conversion circuit converts a bus power to an output power. The energy harvester system controls a first and a second switch circuits according to the adjusted power and/or the second input power to select and conduct one of the adjusted power or the second input power as the bus power, and adjusts an impedance of the adjustable impedance matching circuit to maximize a voltage of the adjusted power. |
US10819198B2 |
Method for producing a squirrel-cage rotor for an asynchronous machine
In a method for producing a squirrel-cage rotor for an asynchronous machine, conductor rods made from a first conductive material are inserted in substantially axial grooves of a laminated rotor core in such a manner that the conductor rods protrude from an end face of the laminated rotor core. A short circuit ring disc made from a second conductive material and heated above the recrystallization temperature is axially pressed onto the protruding conductor rods on the end face of the laminated rotor core, taking into account a temperature range, a deformation, and the rate of deformation of the short circuit ring, with a permissible shear stress of the first and second conductive materials being locally exceeded and material transitions being caused by diffusion at an interface between the conductor rods and the short circuit ring, thereby resulting in microwelding. Subsequently or simultaneously the short circuit ring disc is hot shaped. |
US10819195B2 |
Discharge device
The invention relates to a discharge device (10) for discharging electro-static charges from a shaft (39), comprising an annular holder (11) and a conductor arrangement (12), said conductor arrangement comprising at least one flexurally elastic conductor (13) arranged on the holder, said conductor being made of a carbon fiber arrangement, each end of the conductor being accommodated in the holder, said conductor arrangement comprising at least two conductor portions (33) extending transversely to a longitudinal shaft axis (32), said conductor portions each comprising a shaft contact portion (34) which together form a contact arrangement for being contacted with two circumferential contact areas of a shaft circumference (35), which are arranged in a shaft contact plane W, in such a manner that the shaft contact portions are arranged tangentially to the shaft circumference upon contact to the shaft circumference. |
US10819191B2 |
Electrical power generating unit
The present disclosure is an electrical power generating and storage unit configured to generate electricity using magnetic forces and gravitational forces. The power generator can be scaled for various applications, including mobile and stationary power production. One example of the power generator includes nano-coated coils placed along the walls of a cylindrical housing around a centrally placed sphere containing a gel compound. The gel compound is produced by an electrochemical reaction between metals and a salt contained in a supersolution. |
US10819189B2 |
Automotive rotary electric machine with annular liquid coolant channel for stator and power converting apparatus
A cooling apparatus includes: an annular internal liquid coolant flow channel that is mounted to a rotary electric machine main body, and in which an internal liquid coolant circulates around an outer circumference of the rotary electric machine main body, and an external liquid coolant passage portion through which an external liquid coolant passes, the external liquid coolant passage portion is connected to the internal liquid coolant flow channel by a connecting portion that is positioned vertically higher than the rotary electric machine main body, and the electric power converting apparatus includes a heat radiating surface that releases heat that is generated in the electric power converting apparatus, the electric power converting apparatus being mounted to the cooling apparatus such that the heat radiating surface and the internal liquid coolant can exchange heat at a position that is vertically lower than the connecting portion. |
US10819187B2 |
System, kit, and method for dissipating heat generated by a motor assembly
A system and kit for dissipating heat generated by a motor assembly and methods for manufacturing and using same. The motor assembly includes a housing that defines an internal chamber. The internal chamber communicates with an air inlet and an air outlet each being formed in the housing, and can at least partially receive motor inner workings. A pump assembly can be included in the internal chamber for generating an air flow during operation of the motor assembly. The pump assembly can draw air into the internal chamber via the air inlet, generating an air flow within the internal chamber. The air drawn into the internal chamber is applied to the motor inner workings, and the air heated by the motor inner workings is expelled from the internal chamber via the air outlet. Thereby, the air flow advantageously can cool the motor assembly as the air traverses the internal chamber. |
US10819186B2 |
Hydroelectric charging assembly
A charging assembly includes a conduit assembly configured to be fluidly coupled with a pre-existing conduit through which a liquid flows, and a hydroelectric generator coupled with the conduit assembly such that at least part of the liquid flowing through the pre-existing conduit flows through the hydroelectric generator. The hydroelectric generator is configured to create an electric current based on flow of the liquid through the hydroelectric generator. The assembly also includes an energy storage assembly conductively coupled with the hydroelectric generator. The energy storage assembly is configured to store electric energy of the electric current created by the hydroelectric generator. |
US10819182B2 |
Stator support for an electric machine
A stator support 40 for an electric machine 10 includes a radial cut 70 in a support ring 46 that releases hoop stress in the support ring 46 and enables more radial displacement during heating and cold soak cycles in the stator 12, 16, thereby allowing a larger range of thermal conditions for the electric machine 10. |
US10819177B2 |
Helical winding with more uniform field utilization
Various embodiments include a stator for an AC electric machine with a number of magnetic poles comprising: a central axis; and a stator winding with a plurality of conductor turns. The individual conductor turns are grouped into a total of n electrical strands. The individual conductor turns of a respective electrical strand define a first conductor branch and a second conductor branch. The first conductor branch and the second conductor branch are arranged helically around the central axis over at least half of their respective lengths. The helically arranged conductor branches each have a pitch greater than a product of an axial length of the helical conductor branches and the number of magnetic poles. |
US10819173B2 |
Moveable core-type reciprocating motor and reciprocating compressor having a moveable core-type reciprocating motor
A movable core-type reciprocating motor and a compressor having a movable core-type reciprocating motor are provided. The motor may include a stator including an inner stator and an outer stator; a magnet coil wound between the inner stator and the outer stator; a magnet fixed to at least one of the inner stator or the outer stator so as to be at least partially positioned within a range of the air gap; and a mover including at least one movable core disposed in the air gap and made of a magnetic material to perform a reciprocation movement with respect to the stator and the magnet and a connection member made of a non-magnetic material and configured to support the at least one movable core. |
US10819172B2 |
Rotor for rotating electric machine, magnetic steel sheet for rotating electric machine, and electric vehicle
A rotor for a rotating electric machine is disclosed which includes a rotor yoke including annular magnetic steel sheets stacked in an axial direction having magnet slots into which magnets inserted, Each magnetic steel sheet includes first through-holes to form the first internal cavities; second through-holes, each having a shape fit for each second internal cavity and configured to form part of one of the second internal cavities; and third through-holes, each having a shape for communication between one of the first internal cavities and one of the second internal cavities and to form, with one of the second through-holes, part of the one of the second internal cavities. |
US10819170B2 |
Stator support for a stator of a wind turbine generator, stator,generator, and wind turbine comprising the stator support
A stator carrier for a stator of a wind turbine generator, in particular a multi-pole slowly rotating synchronous ring generator. It is proposed that the stator comprises a first carrier plate, a second carrier plate, a cavity which is provided between the two carrier plates and is open radially outwardly, a separating plate which is arranged between the two carrier plates and which subdivides the cavity into a first cavity portion and a second cavity portion, wherein there is provided a number of first flow passages extending from the first carrier plate directly into the second cavity portion and a number of second flow passages extending from the second carrier plate directly into the first cavity portion. There is further proposed a stator having such a stator carrier as well as a generator and a wind turbine having same. |
US10819166B2 |
Wireless power transfer system with positioning function
A wireless power transfer system includes: a transmitting side, which includes a resonant transmitting circuit, the resonant transmitting circuit including a transmitter coil; and a receiving side, which includes a resonant receiving circuit, the resonant receiving circuit including a receiver coil for performing induction with the transmitter coil to generate a resonant receiver voltage, wherein the transmitter adjusts a transmitter current of the resonant transmitting circuit according to the resonant receiver voltage such that the resonant receiver voltage is regulated to a target voltage level. The wireless power transfer system determines a shift distance from a present relative position to an optimal relative position according to the adjusted transmitter current of the resonant transmitting circuit. |
US10819165B2 |
Inductive harness coupling and communication for distributed architectures
A system includes an AC power module structured to provide alternating current (“AC”) electrical power; a power distribution wiring harness structured to receive the AC electrical power from the AC power module; a plurality of inductive coupling modules coupled to the power distribution wiring harness, and configured to transmit the AC electrical power to at least one load; and, a signal injection module structured to inject a communication signal on the power distribution wiring harness using signal modulation during a transient moment of operation corresponding to a low electrical noise operating range of electromagnetic interference generated by components of a vehicle. |
US10819164B2 |
Adaptive mode switching method for simultaneous wireless power/information transmission operating in dual mode and apparatus for performing the same
The present disclosure relates to an adaptive mode switching method for simultaneous wireless power/information transmission operating in a dual mode and an apparatus for performing the same. The adaptive mode switching apparatus for simultaneous wireless power/information transmission operating in a dual mode includes: an energy harvesting unit; a single tone information receiving unit; a multi-tone information receiving unit; a time-division switch; and an adaptive mode switching control unit which determines a communication mode and a modulation index based on a battery status, the magnitude of the received signal, and a data transmission rate and controls the time-division switch in accordance with the selected communication mode and modulation index. It is possible to overcome a limited energy transmission area of simultaneous wireless power/information transmission (SWIPT) using a single tone in a low power IoT environment and a low transmission rate of a peak-to-average power ratio (PAPR)-based SWIPT using a multi-tone. |
US10819160B2 |
Wireless power transmitter
A wireless power transmitter for wirelessly transmitting power to a wireless power receiver is provided. A wireless power transmitter according to various embodiments may include: a driving unit that provides power; and a power transmission unit that wirelessly transmits power to the wireless power receiver based on the power received from the driving unit, wherein the power transmission unit may include at least one capacitor; a first coil connected to the at least one capacitor, and a second coil connected to the at least one capacitor and disposed parallel to the first coil. |
US10819155B2 |
Power supply device, integrated circuit, energy transmitter and impedance matching method
A resonance contactless power supply device can include: (i) a converter configured to convert an input power signal to an adjustable DC voltage; (ii) an inverter configured to receive the adjustable DC voltage, and to generate an AC voltage with a leakage inductance resonance frequency; (iii) a first resonance circuit having a transmitting coil, and being configured to receive the AC voltage from the inverter; (iv) a second resonance circuit comprising a receiving coil that is contactlessly coupled to the transmitting coil, where the second resonance circuit is configured to receive electric energy from the transmitting coil; and (v) a control circuit configured to control the adjustable DC voltage according to a phase difference between the AC voltage and an AC current output by the inverter, such that the phase difference is maintained as a predetermined angle. |
US10819153B2 |
Wireless power supply communication circuit for electric cooking pot, electric cooking pot and method for the same
The present disclosure provides a wireless power supply communication circuit for an electric cooking pot, an electric cooking pot and a method thereof. The electric cooking pot comprises a pot body, an upper cover and the wireless power supply communication circuit, wherein an insertion base is provided on the pot body; an insertion cavity is provided on the upper cover; the insertion base is movably inserted the insertion cavity cooperatively; a first coil is provided on the insertion base, a second coil resonance circuit is provided in or near the insertion cavity; a pot body control unit is provided on the pot body, an upper cover control unit is provided on the upper cover. The present disclosure allows the information interaction by detecting the amplitude changes of the resonant wave, so that the wireless power supply and communication can be simultaneously provided. |
US10819152B2 |
Wireless power transfer systems and components thereof
The present application provides a wireless power transfer system including a transmitter and at least one receiver, and also provides transmitters and receivers for such systems. The transmitter includes a driver coil and a transmitter coil magnetically coupled to each other and arranged along a plane, the driver coil and the transmitter coil being tuned to resonate at differing frequencies. The receiver includes a load coil and a receiver coil magnetically coupled to each other and arranged along a plane, the load coil and the receiver coil being tuned to resonate at differing frequencies. The driver coil and the transmitter coil of the transmitter, and the load and the transmitter coil of the receiver are strongly magnetically coupled to each other. The transmitter and the receiver are magnetically coupled to each to effectuate wireless power transfer from the transmitter to the receiver. |
US10819150B2 |
Non-contact electric power feeding system, terminal device, non-contact electric power feeding device, and non-contact electric power feeding method
Provided is a non-contact electric power feeding system including an electric power feeding device, and an electric power receiving device configured to receive electric power fed from the electric power feeding device. The electric power feeding device includes a primary-side coil, a driver, a primary-side control unit, and a primary-side communication unit. The electric power receiving device includes a secondary-side coil, a rectifier unit, a regulator, a secondary-side communication unit, and a secondary-side control unit. |
US10819149B2 |
Energy mixer
Disclosed is an energy mixer having a first active diode coupled between a first input node and an output node, and a second active diode coupled between a second input node and the output node. A first capacitor is coupled between the first input node and a dynamic node, and a second capacitor is coupled between the second input node and a third node. Switching circuitry is configured to selectively couple the dynamic node between a fixed voltage node and the second input node in response to a control signal provided by control circuitry. When an output voltage at the output node is within a first range, the dynamic node is coupled to the fixed voltage node and when the output voltage is within a lower voltage second range, the dynamic node is coupled to the second input node such that first capacitor and second capacitor are coupled in series. |
US10819147B2 |
Air to electrical energy and water microgrid
A combined heat and power microgrid system is provided that stores energy in the form of compressed air that can then be utilized as needed in the form of electricity. The compressed air may be generated with energy from multiple electrical energy sources, such as renewable energy sources. The energy stored as compressed air/heat is used to charge a battery by utilizing a pulley system and a barrel housing that transfers kinetic energy generated by the release of the compressed air to an array of piezoelectric generators that can produce electricity, which is stored in the second battery. In addition, water may be extracted from the compressed air storage tank. In this way, energy produced by the renewable sources can be accessed during periods of high need or low production and water may be collected. |
US10819146B2 |
Pulsed power transmission apparatus
When a pulsed waveform is used to transmit power-supply power in a form of a power packet etc., a filter for reducing harmonic components is disposed on a power transmission side. A switch and a control portion for controlling ON/OFF of a function of the filter are provided to turn ON the function of the filter limitedly at each of timings t1 to t2 and t3 to t4 at which the power is transmitted. The harmonic components are reduced from the waveform of the transmission power by the function of the filter. Radiation noise generated by the wire harness is reduced in a high frequency region. The function of the filter is turned OFF at a timing at which digital information is transmitted so that a waveform of the digital information can be prevented from being deformed. |
US10819144B2 |
Ferroresonant transformer for use in uninterruptible power supplies
A ferroresonant transformer assembly, which is adapted to be connected to a primary power source, an inverter system, a resonant capacitor, and at least one load, comprises a core, a main shunt, and first, second, and third windings. The main shunt is arranged to define a primary side and a secondary side of the ferroresonant transformer. The first windings are arranged on the primary side of the ferroresonant transformer and are configured to be operatively connected to the primary power source. The second windings are arranged on the secondary side of the ferroresonant transformer and are configured to be operatively connected to the inverter system. The third windings arranged on the secondary side of the ferroresonant transformer and are configured to be selectively operatively connected to or disconnected from the resonant capacitor. |
US10819141B2 |
Power source device
A power steering system includes: a main power source; an auxiliary power source connected to the main power source via a power source switch; a charge circuit connected to the main power source via the power source switch and configured to charge the auxiliary power source on the basis of the main power source; a switching circuit that switches a power supply mode; and a unit that turns off the power source switch after the auxiliary power source is charged by the charge circuit until the voltage of the auxiliary power source becomes equal to or more than a predetermined voltage in the case where the voltage of the auxiliary power source is less than the predetermined voltage when a key switch for a vehicle is turned off. |
US10819135B2 |
Systems and methods for charging electric vehicles utilizing a touch-sensitive interface
Systems and methods for charging electric vehicles and for quantitative and qualitative load balancing of electrical demand are provided. |
US10819133B2 |
Device for performing wireless charging and method thereof
An electronic device is disclosed. The disclosed electronic device includes a display, a charging circuit that transmits and receives power to and from an external electronic device, a sensor circuit that senses a spatial relationship of the electronic device with the external electronic device, a processor that is electrically connected with the display, the charging circuit, and the sensor circuit. When wirelessly transmitting or receiving power to or from the external electronic device using the charging circuit, the processor may transmit and receive information associated with the wireless transmission or reception of power and display the information based on the spatial relationship. |
US10819128B2 |
Device for enabling autonomous powering of monitoring node of scraper conveyor chain
A device for enabling autonomous powering of a monitoring node of a scraper conveyor chain includes a bottom baffle, a friction wheel drive device, a limiting device, a generator, an energy storage battery, a cable entry device, and dampers. The bottom baffle is connected to a bottom portion of a scraper of a scraper conveyor. The friction wheel drive device comprises a ball, a friction wheel, a drive shaft connected to the generator, and a shaft coupler. The friction wheel is disposed on the drive shaft, and an outer edge of the friction wheel is in contact with a surface of the ball. The limiting device is a ball housing that is connected to the bottom baffle, and is used for limiting the ball within the ball housing. The energy storage battery is connected to the generator, and is used to store electrical energy generated from the generator. The dampers are disposed on the drive shaft. |
US10819127B2 |
Charging circuit, terminal, and charging system
A charging circuit in a terminal, or a charging system, is respectively coupled to a charger, a terminal load, and a battery. The charging circuit includes a first adjustment circuit, a current detection circuit, a voltage detection circuit, and a control circuit. A first end of the first adjustment circuit is coupled to the charger, a second end of the first adjustment circuit is further coupled to the terminal load, a third end of the first adjustment circuit is coupled to the control circuit, and a second end of the current detection circuit is coupled to a positive electrode of the battery. |
US10819126B2 |
Charging station with multiple power sources
A storage system includes a charging station assembly for charging a plurality of power sources and a method thereof. The charging station assembly includes a charging station support fixing the charging station assembly to a base of the storage system, a plurality of charging stations, each charging station including a charger that charges the plurality of power sources and a power source transport device enabling relocation of the power source between an operational position on a remotely operated vehicle and a charging position in or at any one of the plurality of charging stations. |
US10819121B2 |
Charging circuit and mobile terminal
A charging circuit and a mobile terminal are provided. The charging circuit is coupled between a charging interface and a battery. The charging circuit includes a first circuit, a magnetic coupling element, and a second circuit connected in series between the charging interface and the battery. The first circuit is configured to receive a first current from the charging interface and convert the first current to a second current with magnitude and/or direction changed. The charging interface is a universal serial bus interface and the first current is a direct current. The magnetic coupling element includes a first coil and a second coil, the first coil is connected with the first circuit, the second coil is connected with the second circuit, and the first coil and the second coil are separated from each other to disconnect a direct current path of the charging circuit when the first circuit fails. |
US10819120B2 |
Converter apparatus for energy harvesting and energy generator having such a converter apparatus, and use of such a converter apparatus
A converter apparatus for energy harvesting comprises a converter and an associated control device. The converter comprises a first charging circuit for charging a galvanic energy store (8) when a positive voltage of a connected energy harvesting device is applied and a second charging circuit for charging the galvanic energy store when a negative voltage of the connected energy harvesting device is applied. The charging circuits each have an electronic switch and an electrical energy store connected in series therewith. The control device is used to actuate the electronic switches on the basis of a polarity of the applied voltage of the energy harvesting device. |
US10819116B2 |
Forecasting solar power generation using real-time power data
Embodiments are directed to a computer-implemented method, computer system, and computer program product for forecasting power generation. The method includes receiving a first power generation forecast. A second power generation forecast is received, along with actual observed power generation. A model is created for the observed power generation based on the second power generation forecast. A third power generation forecast is created using the model for the observed power generation, the second power generation forecast, and the first power generation forecast. |
US10819111B2 |
Multi-port power supply apparatus and power supplying method thereof
A multi-port power supply apparatus and a power supplying method thereof are provided. The multi-port power supply apparatus includes a power supply circuit, a plurality of connecting ports, a plurality of power converters, and a common control circuit. The power supply circuit is configured to provide a source electric energy to the power converters. Any one of the power converters converts the source electric energy into an output electric energy and outputs the output electric energy to the corresponding connecting port. The common control circuit dynamically adjusts the source electric energy by controlling the power supply circuit according to a plurality of voltage demands and a plurality of power demands of the connecting ports, so as to enhance voltage conversion efficiency of the multi-port power supply apparatus. |
US10819107B2 |
Electronic unit comprising an ESD protective arrangement
The disclosure relates to an electronic unit with a circuit board having at least one component arranged on a main surface of the circuit board and a casing element, which incorporates the at least one component, as well as with an ESD protection arrangement for the circuit board. According to the disclosure, open areas on the circuit board, which are not covered by the casing element, are covered with a gold layer directly mounted on a copper surface of the circuit board. |
US10819103B2 |
Systems and methods for isolating faults in electrical power systems connected to a power grid
A method for isolating faults in an electrical power system connected to a power grid includes dividing the electrical power system into a plurality of power modules each including a plurality of electrical power subsystems and a substation. Each of the electrical power subsystems defines a stator power path and a converter power path for providing power to the power grid and having a partial power transformer. The method also includes coupling each of the power modules to the power grid via a primary electrical line. Further, the method includes monitoring the electrical power system for faults. In response to detecting a fault in one of the power modules, the method includes isolating the fault to the power module experiencing the fault. In contrast, if the fault is detected in the primary electrical line or the power grid, the method includes tripping the electrical power system. |
US10819102B2 |
Electronic circuit for fast temperature sensing of a power switching device
An electronic circuit for sensing a temperature rise in a power transistor device, the temperature rise caused by a current flow in the power transistor device. The power transistor device and a sense-FET are disposed on a substrate. The sense-FET senses a fractional portion of the current flow and outputs a current signal. A JFET has its drain connected to the drain of the power transistor device. The gate of the JFET is connected to the source of the power transistor device, such that when the power transistor device is on, the JFET is also turned on, and a drain voltage signal of the power transistor device is output at a second node of the JFET. A detection circuit receives the drain voltage signal and the current signal and outputs an alarm signal when the drain-source resistance of the power transistor device exceeds a combined threshold limit. |
US10819100B1 |
Carbon monoxide detector and shutoff system
The carbon monoxide detector and shutoff system is an electrical switching device. The carbon monoxide detector and shutoff system inserts into an electrical connection between the national electric grid and an electrical load. The carbon monoxide detector and shutoff system senses the carbon monoxide concentration within the atmosphere. Should the detected concentration of carbon monoxide exceed a threshold level, the carbon monoxide detector and shutoff system interrupts the circuit between the national electric grid and the electrical load. The carbon monoxide detector and shutoff system comprises a pass-through circuit, a control circuit, and a housing. The housing contains the pass-through circuit and the control circuit. The pass-through circuit inserts a relay between the national electric grid and the electrical load. The control circuit is an electrical circuit that opens and closes the relay in response to the detected concentration of carbon monoxide. |
US10819097B2 |
Cover assembly with hybrid core structure
An assembly for covering at least a portion of a cable, such as an electric cable, comprises an elastomeric tube and a hybrid support core structure. The hybrid core structure includes a central core structure formed from a spirally wound separable ribbon that supports a central portion of the elastomeric tube in a radially expanded state, and first and second solid end core structures that support first and second end portions of the elastomeric tube in a radially expanded state. Each solid end core structure has a film disposed on at least an inner surface thereof having a coefficient of friction less than or equal to 0.05. |
US10819096B2 |
Enclosure for cable distribution assembly
An enclosure for breaking out a trunk cable includes: a base having a generally flat surface adapted for mounting to a mounting surface; a shell having a front and two side walls extending from opposite sides of the front and two opposed end walls, the side walls of the shell mounted to the base to form a cavity; a plurality of connectors mounted to each of the side walls; and a trunk cable routed into the cavity through one of the end walls, the trunk cable comprising a plurality of power conductors and/or a plurality of optical fibers. The power conductors and the optical fibers are connected with respective ones of the plurality of connectors. |
US10819094B2 |
Protector-equipped electric wire and protector-equipped wire arrangement structure
A protector made of a hollow plate material is externally fitted to an electric wire arranged at a position at which a load is exerted. A protector-equipped electric wire is provided with an electric wire arranged at a position at which a load is exerted, and a protector externally fitted to the electric wire. The protector is made of a folded hollow plate material, the hollow plate material including a plurality of plate-shaped portions, and interposed portions that are arranged extending in one direction between the plurality of plate-shaped portions and form hollow spaces between the plurality of plate-shaped portions, the protector including a plurality of wall portions that covers the electric wire. The plurality of wall portions including at least one load bearing wall portion that is arranged so that the direction in which the interposed portions extend corresponds to a direction in which the load is exerted. |
US10819092B2 |
Box-type wire stripper
A box-type wire stripper includes a retractable box body having a variable height and including at least one box body side wall; and at least one wire stripping device for partially or entirely stripping a wire sheath covering a wire core, and each wire stripping device is arranged on one box body side wall. |
US10819087B2 |
Systems and methods for a vehicle inverter connection bus
A bus assembly is provided having a bus bar with first and second conductive layers extending along an insulator sheet interposed between the first and second conductive layers. The first and second conductive layers are partially aligned with respect to each other to form a first overlap region of the insulator sheet. The bus assembly includes a first set of arms having a set of diodes and a second set of arms having a set of switches. The bust bar includes a plurality of bus links coupling the plurality of arms to the bus bar forming a plurality of inverters. Each of bus links include a respective first bracket and a respective second bracket aligned with each other forming a second overlap region of the insulator sheet. The first bracket is electrically coupled to the first conductive layer and the second bracket is electrically coupled to the second conductive layer. |
US10819084B2 |
TO-CAN packaged laser and optical module
The present disclosure provides a TO-CAN packaged laser and an optical module. According to an example, the TO-CAN packaged laser includes a base; a substrate located on the base, where the substrate is provided with a first conductive sheet and a second conductive sheet; a laser chip provided on the substrate, where an anode of the laser chip is electrically coupled with the first conductive sheet and a cathode of the laser chip is electrically coupled with the second conductive sheet; and a first pin and a second pin that protrude from the base, where the first pin is coupled with the first conductive sheet by conductive welding flux or conductive paste and the second pin is coupled with the second conductive sheet by conductive welding flux or conductive paste. |
US10819083B2 |
Vertical cavity surface-emitting laser
A vertical cavity surface-emitting laser including: a substrate having a main surface; and a post structure mounted on the main surface. The post structure includes an active layer and a carrier confinement structure. The carrier confinement structure includes a first region and a second region having a higher resistivity than the first region. The first region has an edge, and a first to a third reference line segments. A first length of the first reference line segment is longest among lengths of line segments joining any two points on the edge and extending in a direction of the III-V group semiconductor. The first length is greater than a sum of a second length of the second reference line segment and a third length of the third reference line segment. The third length is smaller than the second length and is zero or more. |
US10819080B1 |
Coating-less nonplanar planar ring oscillator laser
Coating-less nonplanar ring oscillator lasers are disclosed. Such lasers may eliminate the need for thin-film optical coatings from a laser cavity, solving the problem of optical damage to the coatings, and thus, providing a longer useful lifetime for the laser for space or terrestrial applications. Such lasers may be compact, ultra-stable, and highly reliable, enabling a low phase noise, single frequency laser in a compact package. Such lasers may be used in CW and/or in pulse mode. |
US10819072B2 |
Connector cage and connector including same
A connector cage that makes a spring member difficult to be broken when a mating connector is fitted. The connector cage includes a cage body that has a reception portion for receiving a mating connector therein, a partition member that partitions the reception portion in a left-right direction of the cage body, and a spring member that is arranged at a front end of the partition member in a front-rear direction, and is brought into contact with the mating connector. A first hole is formed which is a through hole extending through the cage body in an up-down direction. The spring member includes a spring member-side protruding portion which is inserted through the first hole, and is connected to the cage body. |
US10819065B2 |
Electronic building block and building block kit having the same
An electronic building block includes a first side and a second side, a first magnet fixed to the first side and including a number of first magnet segments, a second magnet fixed to the second side and including a number of second magnet segments, a first power contact, a second power contact and a first communication contact arranged on the first side; and a third power contact, a fourth power contact and a second communication contact arranged on the second side and respectively coming into contact with the first power contact, the second power contact, and the first communication contact when the first magnet segments of one of two electronic building blocks is connected to the second magnet segments of the other of two electronic building blocks. |
US10819064B2 |
Gas resistant pothead system and method for electric submersible motors
A gas resistant pothead system and method for electric submersible motors. A gas resistant pothead system includes a lead foil wrapped motor lead cable (MLE) extending through a pothead, a sleeve of an insulator block inside the pothead, the sleeve including gold plating and lead-foil wrapping over the gold plating, and a lead-to-gold seal formed between the gold plating of the sleeve and the lead foil wrapping over the gold plating. A method of creating a seal to gas around a power cable connection to a downhole electric submersible motor includes wrapping lead foil around a MLE extending through a pothead, continuing the lead foil wrapping around a gold-plated sleeve of an insulating block inside the pothead, mechanically reinforcing the lead foil with an encapsulant, and bonding the lead foil to the gold plating of the insulating block. |
US10819061B2 |
Power connector
Provided is a power connector, including a plurality of conductive frames and a rubber body, the first connecting hole is opened at one end of the conductive frame, and the second connecting hole is opened at the second end of the conductive frame, the plurality of conductive frames are arranged in parallel and spaced apart by a predetermined distance, and the middle portions of the plurality of conductive frames are connected by rubber vulcanization to form the rubber body. The power connector is provided in the present application, the rubber body isolates and fixes a plurality of conductive frames to form a power connector, the rubber body prevents arcing and breakdown of adjacent conductive frames due to spacing problems and positioning stability problems during high-voltage power transmission. |
US10819058B2 |
Contact connection structure with an indent portion
A contact connection structure includes: a first contact part provided in a first terminal, having a first plating layer formed on an outer surface of a first base material, and having an indent portion protruding from a plane formed by the outer surface of the first base material; and a second contact part provided in a second terminal, having a second plating layer formed on an outer surface of a second base material, and configured to be in contact with the indent portion. At least one of the outer surface of the first base material at the first contact part and the outer surface of the second base material at the second contact part is formed as a smooth surface with smaller surface roughness than surface roughness of a rolled bar material. |
US10819044B2 |
Terminal-equipped electrical wire
A terminal-equipped electrical wire includes an electrical wire and a terminal fitting that is attached to the electrical wire. In the electrical wire, the terminal fitting includes a barrel portion crimped to a conductor core wire exposed from the electrical wire, and a contact portion to be connected to a mating terminal. The barrel portion is a cylindrical plate-like body in which one end and the other end overlap with each other after crimping, and has a plate-like body including a proximal end portion covering a sheath of the electrical wire, a distal end portion covering the conductor core wire away from the proximal end portion, and an intermediate portion connecting the proximal end portion and the distal end portion and covering the conductor core wire so as to isolate it from the outside between the proximal end portion and the distal end portion. |
US10819042B2 |
Broadband low-profile dual-linearly polarized antenna for a OneLTE two-in-one platform
A broadband low-profile dual-linearly polarized antenna for a OneLTE two-in-one platform and an antenna array device formed therefrom are provided that can realize low-profile and ultra-broadband and have such advantages as simple structure, neat appearance, easy engineering implementation, and suitability for mass production. The broadband low-profile dual-linearly polarized antenna can include (1) a radiating portion that can include a dielectric substrate, printed folded dipoles spaced apart on an upper surface of the dielectric substrate, first coupled parasitic elements on a lower surface of the dielectric substrate, and second coupled parasitic elements on the upper surface of the dielectric substrate and (2) a feed balun for feeding the radiating portion, wherein each of the printed folded dipoles can include a corresponding one of the first coupled parasitic elements and a corresponding one of the second coupled parasitic elements. |
US10819041B1 |
Dual-polarized aperture-coupled patch antenna array with high isolation
An antenna system includes an antenna array including a number of antenna elements disposed on a substrate. Each antenna element includes a radiation layer, a ground plane layer, a feed layer and an additional ground plane layer. The ground plane layer includes a ground plane conductive layer that has a number of slots. The feed layer includes a feed structure to excite the slots. A dual polarization feature of the antenna array is realized via the slots, and the slots are separated by the ground plane conductive layer. |
US10819036B2 |
Dielectric resonant antenna based NMOSFET terahertz detector and method
The present disclosure discloses a dielectric resonant antenna based NMOSFET terahertz detector, comprising an on-chip dielectric resonant terahertz antenna, wherein the on-chip dielectric resonant terahertz antenna is connected to a matching network, the matching network is connected to a source of an NMOSFET, and a gate of the NMOSFET is sequentially connected to a first bias resistor and a first bias voltage, a third transmission line is connected between the first bias resistor and the gate, a drain of the NMOSFET is connected to a first DC blocking capacitor, the other end of the first DC blocking capacitor is connected to a low noise preamplifier, a second bias resistor and a second bias voltage are connected in parallel between the first DC blocking capacitor and the low noise preamplifier, and the low noise preamplifier is further provided with a voltage feedback loop. The present disclosure also discloses a design method for the same. |
US10819034B2 |
Apparatus and methods for selectively targeting communication devices with an antenna array
Aspects of the subject disclosure may include, detecting a communication device in transit, determining a trajectory of the communication device, selecting a section from a plurality of sections of an omnidirectional array of dielectric antennas according to the trajectory of the communication device, where the section corresponds to a set of one or more dielectric antennas from the omnidirectional array of dielectric antennas coupled to a set of launchers, and directing the set of launchers to launch electromagnetic waves directed to the set of one or more dielectric antennas to generate a beam pattern directed to the communication device while in transit. Other embodiments are disclosed. |
US10819032B2 |
Cloaked low band elements for multiband radiating arrays
A multiband antenna, having a reflector, and a first array of first radiating elements having a first operational frequency band, the first radiating elements being a plurality of dipole arms, each dipole arm including a plurality of conductive segments coupled in series by a plurality of inductive elements; and a second array of second radiating elements having a second operational frequency band, wherein the plurality of conductive segments each have a length less than one-half wavelength at the second operational frequency band. |
US10819030B2 |
Beam tunable antenna device
An antenna device includes a first antenna, a second antenna, a multiplexer, and a controller. The first antenna is arranged on a first plane with a plurality of first feeding ports on the body of the first antenna to transmit or receive an electromagnetic signal on a first frequency. The second antenna, which is arranged on a second plane, includes at least four second feeding ports to transmit or receive an electromagnetic signal on a second frequency. The multiplexer has an input port coupled to the signal source, and output ports coupled to the plurality of first feeding ports and the four second feeding ports. The controller controls the multiplexer to transmit a feeding signal from the signal source to at least one of the first feeding ports and at least one of the four second feeding ports, to fine-tune the beam of the antenna device. |
US10819029B2 |
Electronic device having multi-frequency ultra-wideband antennas
An electronic device may be provided with control circuitry and doublets of first and second antennas that are used to determine the position and orientation of the device relative to external wireless equipment. The control circuitry may determine the relative position and orientation of the external equipment by measuring the angle of arrival of radio-frequency signals from the external equipment. Each doublet may include first and second cavity-backed slot antennas. The first and second antennas may each include a first slot element that is directly fed and a second slot element that is parasitically fed by the first slot element. The first slot element may radiate in an ultra-wideband communications band at 8.0 GHz and the second slot element may radiate in an ultra-wideband communications band at 6.5 GHz. The doublet may be aligned with a dielectric window in a conductive sidewall for the device. |
US10819028B1 |
Tunable parallel plate antenna
A tunable antenna includes a base supporting a support and hollow tube opposing and spaced apart from one another, and spaced-apart and parallel plates. Each plate is coupled only at one end thereof to one of the support and hollow tube. One of the plates located furthest from the base extends past the hollow tube and is spaced apart therefrom. A shaft extends through the hollow tube and the one plate extending past the hollow tube. A tuning plate is coupled to the end of the shaft. A tuning piston is coupled to the shaft and is adapted for movement within the hollow tube where such movement changes the resonant frequency of the antenna. |
US10819025B2 |
Antenna structure
An antenna structure includes a first conductive layer, a second conductive layer, a bent conductive layer, and a first coaxial cable. The second conductive layer has a first opening. A cavity is formed between the first conductive layer and the second conductive layer. The bent conductive layer is coupled between the first conductive layer and the second conductive layer. The bent conductive layer is configured to divide the cavity into a first portion and a second portion. The first coaxial cable includes a first central conductive line and a first conductive shielding. The first central conductive line extending through the first opening is coupled to a first feeding point on the first conductive layer. The first conductive shielding is coupled to the second conductive layer. |
US10819023B2 |
Antenna system and communication terminal
The invention provides an antenna system including subarray loudspeaker units. The subarray loudspeaker units includes: a metal base; a circuit board overlapped on and electrically connected to the metal base and including a circuit board body for forming a system ground and four parallel rectangular slots penetrating the circuit board body for forming a central area; a phase shift unit including a phase shift chip overlapped on and electrically connected to the circuit board and located at the central area; and loudspeaker units. The loudspeaker units includes four loudspeakers electrically connected to the circuit board and connected with each other for surrounding the phase shift unit, each of the loudspeaker units inserting into a corresponding slot. |
US10819022B1 |
Partitioned variable inclination continuous transverse stub array
A variable inclination continuous transverse stub antenna includes a first conductive plate and a second conductive plate spaced relative to the first conductive plate. The first conductive plate includes a first surface partitioned into a first region and a second different region, a first group of CTS radiators on the first region, and a second group of CTS radiators on the second region. A spacing and a width in an E-field direction of the first group of radiators is different in respect to a spacing and width in the E-field direction of the second group of radiators. The second conductive plate includes a second surface parallel to the first surface, the second surface partitioned into a first parallel plate transmission line and a second different parallel plate transmission line, the first and second parallel plate transmission lines configured to receive or output a different radio frequency signals from one another. |
US10819020B2 |
Antenna system and a mobile terminal
The embodiments of the present invention relate to the field of communication technology, and disclose an antenna system and a mobile terminal. In the present disclosure, the antenna system includes: a first antenna, a second antenna, a third antenna, a fourth antenna, and a fifth antenna, wherein the first antenna, the second antenna, the fourth antenna, and the fifth antenna constitute a 4*4 MIMO operating at 3300 MHz to 3600 MHz, the second antenna and the third antenna constitute a 2*2 MIMO operating at 4800 MHz˜5000 MHz, so that the antenna system of the present disclosure can support the operating band of the terminal in 5G communication, promoting the development of mobile terminal in the aspect of 5G communication. |
US10819012B2 |
Antenna and mobile terminal
An antenna applied to a mobile terminal, includes: a first sub-antenna; and a second sub-antenna. The mobile terminal includes a first metal frame and a second metal frame, a breaking joint being provided between a first end of the first metal frame and a first end of the second metal frame, a length of the first metal frame being within a range of a quarter wavelength of a specified band, and the length of the first metal frame being greater than a length of the second metal frame. The first sub-antenna and the second sub-antenna are formed based on the first metal frame and the second metal frame. |
US10819011B2 |
Electronic device comprising an antenna
An electronic device is provided. The electronic device includes a housing including a first plate, a second plate facing the first plate, and a side member surrounding a space between the first plate and the second plate and a circuit board, which is accommodated inside a housing and in which a wireless communication circuit is disposed. The second plate includes a slot filled with a non-conductive material. An area other than the slot is formed of a conductive material. The circuit board includes a conductive pattern formed on the circuit board along with the slot of the second plate, and the wireless communication circuit is configured to feed one point of the second plate adjacent to the slot to receive a signal of a first frequency band through an electrical path formed by the slot and to feed the conductive pattern to receive a signal of a second frequency band through the slot. |
US10819010B2 |
Electronic device including antenna
An electronic device including an antenna is provided. The electronic device includes a ground plane, an antenna element that is electrically connected to the ground plane through a first electrical path, a receptacle that accommodates an external connector that is electrically connected to the ground plane and comprises a conductive line, and a control circuit that is configured to: detect whether the external connector is inserted into the receptacle, and change the first electrical path to a second electrical path or add the second electrical path to the first electrical path between the antenna element and the ground plane, when the external connector is inserted into the receptacle. |
US10819004B2 |
RFID system
A magnetic field focusing assembly includes a magnetic field generating device configured to generate a magnetic field, and a split ring resonator assembly configured to be magnetically coupled to the magnetic field generating device and configured to focus the magnetic field produced by the magnetic field generating device. |
US10819000B2 |
Composite antenna device
A composite antenna device is provided that is capable of achieving gain enhancement of a patch antenna and further miniaturization of the entire device size. A composite antenna device capable of receiving signals of a plurality of frequency bands for a vehicle includes a base plate, a first antenna, and a second antenna. The first antenna is constituted by a patch antenna placed on the base plate and capable of receiving signals of a first frequency band. The second antenna is constituted by a capacitive antenna capable of receiving signals of a second frequency band lower than the first frequency band. The second antenna includes a top load portion disposed so as to cover the first antenna and has at least one conductive planar body functioning also as a wave director for the first antenna. |
US10818999B2 |
Compact low loss signal coupler
A bi-directional coupler architecture that allows an entire radio frequency coupler to be fully integrated with other circuitry on a single IC substrate. Embodiments of the invention use a lumped component architecture instead of quarter-wave transmission lines to reduce area and limit loss on the primary signal line. In some embodiments, two directional couplers of opposite polarities are implemented at least in part using spiral secondary inductors electromagnetically coupled to a shared primary inductor signal line, thus providing a bi-directional coupler architecture. |
US10818996B1 |
Inductive radio frequency power sampler
A power sampler may include a sampling circuit interposed in one leg of a differential-signal circuit. An input balun may convert a single-ended signal from a signal source into a differential signal on first and second differential-signal input ports. An output balun may convert an output differential signal to a single-ended output signal to a signal load. The sampling circuit may include an inductance and a coupling circuit. The inductance may be an inductor and have an impedance higher than a source impedance. The coupling circuit, which may be a balun, is connected to the inductance and outputs a single-ended sample signal having a magnitude proportional to the inductance impedance at the design frequency. A second coupling-circuit output conducts an output differential signal and may be connected to the output balun. |
US10818994B2 |
Microwave guide
A microwave guide suitable for carrying microwaves between an object that is vibrating that is connected to a first end of the guide and an object connected to the other end of the guide that is to be protected from transmitted vibrations, the guide providing a restricted path for the transmission of vibrations. In one embodiment, the guide has a flexible mesh part having an inner surface which has high electric conductivity and is provided with a plurality openings. The openings may be sufficiently small such that microwave radiation is unable to pass through the opening. The guide may also include a support structure which extends along the length of the guide. The support structure may have a low dielectric loss tangent and may be sufficiently rigid to provide support to the mesh part. |
US10818988B2 |
Electrochemical cell comprising an electrodeposited fuel
Provided is a rechargeable electrochemical cell system for generating electrical current using a fuel and an oxidant. The system includes a plurality of electrochemical cells. A controller is configured to apply an electrical current between charging electrode(s) and a fuel electrode with the charging electrode(s) functioning as an anode and the fuel electrode functioning as a cathode, such that reducible metal fuel ions in the ionically conductive medium are reduced and electrodeposited as metal fuel in oxidizable form on the fuel electrode. The controller may selectively apply current to a charging electrode and third electrode between fuel electrodes of separate cells to increase uniformity of the metal fuel being electrodeposited on the fuel electrode. The controller controls a number of switches to apply current to the electrodes and select different modes for the system. Also provided are methods for charging and discharging an electrochemical cell system, and selecting different modes. |
US10818983B2 |
Battery management device and system, and hybrid vehicle control system for utilizing battery performance while maintaining battery life
Provided is a battery management device capable of effectively utilizing battery performance while securing battery life. The battery management device includes: a divergence amount calculation unit that calculates a divergence amount between a life target value or a degradation amount target value of a storage battery, which is a secondary battery, and a life prediction value or a degradation amount prediction value according to use history of the storage battery in an arbitrary period; and a limit value change unit that changes charge/discharge limit values for controlling degradation of the storage battery based on the divergence amount. The limit value change unit includes a first limit value calculation unit that calculates a first limit value set that is a combination of the charge/discharge limit values for each of a plurality of types of control parameters that change in correlation with each other based on the divergence amount. |
US10818981B2 |
Battery internal temperature sensing battery management system
A method is provided. The method is executable by a processor of a battery management system. The method includes sending a first command signal to a multiplexer to cause the multiplexer to select a cell of a battery. The method also includes sending a second command signal to a current source to apply a current to the cell of the battery. The method also includes receiving measurement information based on the application of the current to the cell from a measurement circuit. |
US10818978B2 |
Battery module having a pressure sensor
A battery module for a vehicle is disclosed. The battery module includes a plurality of adjacent battery cells in a module housing, each battery cell including a battery case. The battery module further includes a pressure sensor on one of the battery cells or the module housing. The pressure sensor is configured to produce a signal indicative of a change in pressure associated with any of the battery cells. The battery module further includes an electronic control unit electronically connected to the pressure sensor. The electronic control unit is configured to determine the existence of an abnormal condition based on the signal. |
US10818977B2 |
Method for producing all solid state battery, all solid state battery and all solid state battery system
A main object of the present disclosure is to provide a method for producing an all solid state battery capable of satisfying both of improving capacity durability and suppressing the increase of an initial resistance. The above object is achieved by providing a method for producing an all solid state battery, the method comprising: a preparing step of preparing an all solid state battery including a cathode layer, a solid electrolyte layer, and an anode layer, in this order; and an initial charging step of initially charging the all solid state battery, wherein the anode layer includes a metal particle capable of being alloyed with Li, and having two kinds or more of crystal orientation in one particle, as an anode active material, and in the initial charging step, the all solid state battery is charged to a battery voltage of 4.35 V or more and 4.55 V or less. |
US10818975B2 |
Method for production of all-solid-state battery
[Problem] To provide a method for the production of an all-solid-state battery using an alloy-based negative electrode active material in which it is possible to suppress degradation in performance of the all-solid-state battery during actual use while the restraint pressure during actual use of the all-solid-state battery is relatively small.[Solving Means] The method for producing an all-solid-state battery of the present disclosure produces an all-solid-state battery having a battery laminate comprising a positive electrode current collector layer, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector layer laminated in this order, wherein the battery laminate is restrained in the lamination direction by an actual use restraint member. The negative electrode active material layer contains particles of an alloy-based negative electrode active material. The method of the present disclosure comprises the steps of, in this order, charging and discharging the battery laminate in a state in which the batter, laminate is restrained in the lamination direction by a manufacturing restraint member and restraining the battery laminate in the lamination direction by the actual use restraint member, wherein when the restraint pressure applied by the manufacturing restraint member at the end of the discharging is a fourth restraint pressure and the restraint pressure applied by the actual use restraint member at the end of the discharging is a fifth restraint pressure, the fourth restraint pressure is greater than the fifth restraint pressure. |
US10818973B2 |
Electrolyte composition and lithium ion secondary battery
The electrolyte composition at least includes an aprotic organic solvent, a lithium salt, a flame retardant, and inorganic oxide particles. The flame retardant is at least one selected from a group consisting of a phosphorus-based acid ester having a fluorinated alkyl group and a phosphate amide having a fluorinated alkyl group. |
US10818971B2 |
Low porosity solid electrolyte membrane and method for manufacturing the same
An improved, low porosity, solid electrolyte membrane and a method of manufacturing the solid electrolyte membrane are provided. The low porosity, solid electrolyte membrane significantly improves both mechanical strength and porosity of the membrane, inhibits the growth of lithium dendrites (Li dendrites), and thereby maintains and maximizes electrochemical stability of an all-solid-state battery. This is accomplished by wet-coating a sulfide or oxide solid electrolyte particle with a thermoplastic resin, or a mixture of the thermoplastic resin and a thermosetting resin, using a solvent to prepare a composite and hot-pressing the composite at a relatively low temperature and at a low pressure. |
US10818969B2 |
Borate compounds as Li super-ionic conductor, solid electrolyte, and coating layer for Li metal battery and Li-ion battery
Solid-state lithium ion electrolytes of lithium borate based composites are provided which contain an anionic framework capable of conducting lithium ions. Materials of specific formulae are provided and methods to alter the materials with inclusion of aliovalent ions shown. Lithium batteries containing the composite lithium ion electrolytes are provided. Electrodes containing the lithium borate based materials and batteries containing the electrodes are also provided. |
US10818965B2 |
Ceramic garnet based ionically conducting material
Disclosed is a ceramic material having a formula of LiwAxM2Re3-yOz, wherein w is 5-7.5; wherein A is selected from B, Al, Ga, In, Zn, Cd, Y, Sc, Mg, Ca, Sr, Ba, and any combination thereof; wherein x is 0-2; wherein M is selected from Zr, Hf, Nb, Ta, Mo, W, Sn, Ge, Si, Sb, Se, Te, and any combination thereof; wherein Re is selected from lanthanide elements, actinide elements, and any combination thereof; wherein y is 0.01-0.75; wherein z is 10.875-13.125; and wherein the material has a garnet-type or garnet-like crystal structure. The ceramic garnet based material is ionically conducting and can be used as a solid state electrolyte for an electrochemical device such as a battery or supercapacitor. |
US10818960B2 |
Lithium secondary battery
The present disclosure relates to a lithium secondary battery which ensures reaction uniformity even though it uses a high-loading electrode, and thus has high capacity and improved cycle characteristics. The lithium secondary battery includes: an electrode assembly including a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode; an electrolyte including a lithium salt and an organic solvent; and a battery casing receiving the electrode assembly and the electrolyte, wherein the positive electrode has a loading amount of 3.5 mAh/cm2 or more, the separator has an air permeability of 200-1200 sec/100 mL, and the electrolyte has a lithium ion conductivity of 11-20 mS/cm. |
US10818955B2 |
Fuel cell unit and fuel cell vehicle
A fuel cell unit includes: a fuel cell module including a fuel cell stack including: a stacked body in which unit cells are stacked; a pair of end plates sandwiching the stacked body in a stacking direction; a facing member facing an outer surface of the stacked body extending along the stacking direction; and first and second restriction members arranged between the facing member and the stacked body, and restricting a position of the stacked body in a direction perpendicular to the stacking direction by contacting with the outer surface; and fixing members fixing the fuel cell module to a fixed member. |
US10818954B2 |
Electrical component connection mechanism of fuel cell stack and fuel cell stack
An electric component connection mechanism of a fuel cell stack includes a fuel cell stack body, terminal plates, end plates, and a housing. A plurality of fuel cells that generate electricity by electrochemical reaction of a fuel gas and an oxidant gas are stacked in the fuel cell stack body. The terminal plates are disposed on both ends of the fuel cell stack body in a stacking direction of the fuel cells. The end plates are stacked on the terminal plates on the sides opposite to the fuel cell stack body. The terminal plates include terminals that penetrate through and protrude out of the end plates. The terminals are connected to high-voltage cables. Moving mechanisms that support the terminal plates while allowing the terminal plates to advance and retreat in the stacking direction with respect to the end plates are provided. |
US10818953B2 |
Carbon dioxide trapping device and method capable of producing electricity
An apparatus and process are provided for electricity production and high-efficiency trapping of carbon dioxide, using carbon dioxide within combustion exhaust gas and converging technologies associated with a carbon dioxide absorption tower and a generating device using ions which uses a difference in concentration of salinity between seawater and freshwater. It is expected that enhanced electrical energy production efficiency, an effect of reducing costs for the operation of a carbon dioxide trapping process, and electricity production from carbon dioxide, which is a greenhouse gas, can be simultaneously achieved by increasing the difference in concentration using an absorbent for absorbing carbon dioxide. |
US10818951B2 |
Method and molten salt electrolytic cell for implementing a hydrogen fuel, sustainable, closed clean energy cycle on a large scale
A hydrogen fuel, sustainable, closed clean energy cycle based on green chemistry is presented for large scale implementation using a cost effective electrolytic cell. A chemical reaction between salinated (sea) or desalinated (fresh) water (H2O) and sodium (Na) metal produces hydrogen (H2) fuel and sodium hydroxide (NaOH) byproduct. The NaOH is reprocessed in a solar powered electrolytic Na metal production plant that can result in excess chlorine (Cl2) from sodium chloride (NaCl) in sea salt mixed with NaOH, used to effect freezing point lowering of seawater reactant for hydrogen generation at reduced temperatures. The method and molten salt electrolytic cell enable natural separation of NaCl from NaOH, thereby limiting excess Cl2 production. The recovered NaCl is used to produce concentrated brine solution from seawater for hydrogen generation in cold climates, or becomes converted to sodium carbonate (Na2CO3) via the Solvay process for electrolytic production of Na metal without Cl2 generation. |
US10818950B2 |
Composite polymer electrolyte membrane for fuel cell, and method of manufacturing the same
A composite polymer electrolyte membrane for a fuel cell may be manufactured by the following method: partially or totally filling the inside of a pore of a porous support with a hydrogen ion conductive polymer electrolyte solution by performing a solution impregnation process; and drying the hydrogen ion conductive polymer electrolyte solution while completely filling the inside of the pore with the hydrogen ion conductive polymer electrolyte solution by performing a spin dry process on the porous support of which the inside of the pore is partially or totally filled with the hydrogen ion conductive polymer electrolyte solution. |
US10818945B2 |
Voltage control system, fuel cell system, and control method for voltage control system
A voltage control system includes a converter device, and a controller configured to set a duty ratio according to a current target value so as to cause the converter device to repeatedly perform a boost operation according to the duty ratio. The controller is configured to set the duty ratio by use of a basic term including a feedforward term, and an additional term, the feedforward term being derived by use of a measured value of a magnitude of an input of a reactor provided in the converter device and a measured value of a magnitude of an output of the reactor or by use of respective target values of the magnitude of the input and the magnitude of the output in the reactor, the additional term being derived by use of the variation of the current target value during one cycle. |
US10818943B2 |
Fuel cell system and control method for turbine
A fuel cell system includes: a turbine including a changing mechanism that adjusts a pressure difference between an upstream pressure and a downstream pressure of the turbine, the turbine recovering at least a part of energy of the cathode off-gas using the pressure difference and assisting driving of the motor with the recovered energy; and a control unit configured to drive the changing mechanism to increase or decrease the recovered energy. The control unit acquires a correlation temperature correlated with a temperature of the cathode off-gas discharged from the turbine and performs freezing avoidance control of not setting the degree of opening to be equal to or less than a predetermined degree of opening when the correlation temperature is lower than a predetermined threshold temperature at which the turbine is able to become frozen. |
US10818930B2 |
Electrical power storage devices
An electrical storage device includes high surface area fibers (e.g., shaped fibers and/or microfibers) coated with carbon (graphite, expanded graphite, activated carbon, carbon black, carbon nanofibers, CNT, or graphite coated CNT), electrolyte, and/or electrode active material (e.g., lead oxide) in electrodes. The electrodes are used to form electrical storage devices such as electrochemical batteries, electrochemical double layer capacitors, and asymmetrical capacitors. |
US10818929B2 |
Electrode for secondary battery having fine holes
Disclosed herein is an electrode for a secondary battery including an electrode mixture layer including an electrode active material on one surface or both surfaces of a current collector, wherein the electrode mixture layer includes a plurality of fine holes recessed toward the current collector from a vertical cross-sectional surface, and each of the fine holes is a horn-shaped hole whose diameter is gradually decreased from the vertical cross-sectional surface toward the current collector in the electrode mixture layer. |
US10818927B2 |
Lithium battery current collector comprising conductive pillared structures on a substrate
A method of manufacturing a Lithium battery with a substrate current collector formed of pillars on a substrate face, wherein the method comprises: forming elongate and aligned structures forming electrically conductive pillars on the substrate face with upstanding pillar walls; wherein the pillars are formed with a first electrode, a solid state electrolyte layer provided on the first electrode; and a second electrode layer, wherein the pillars are dimensioned in such a way that adjacent pillars are merged and a topstrate current collector is formed of complementary interspace structures between the merged pillars. |
US10818926B2 |
Method of producing electrochemically stable elastomer-encapsulated particles of anode active materials for lithium batteries
A method of producing a powder mass for a lithium battery, comprising: (a) mixing an inorganic filler and an elastomer or its precursor in a liquid medium or solvent to form a suspension; (b) dispersing a plurality of particles of an anode active material in the suspension to form a slurry; and (c) dispensing the slurry and removing the solvent and/or polymerizing or curing the precursor to form the powder mass, wherein at least a particulate is composed of one or a plurality of anode particles being encapsulated by a layer of inorganic filler-reinforced elastomer having a thickness from 1 nm to 10 μm, a fully recoverable tensile strain from 2% to 500%, and a lithium ion conductivity from 10−7 S/cm to 5×10−2 S/cm and the inorganic filler has a lithium intercalation potential from 1.1 V to 4.5 V versus Li/Li+. |
US10818917B2 |
Systems and methods for electrodepositing manganese oxide with improved rate capabilities for electrical energy storage
Systems and methods that facilitate enhancing the energy storage capabilities of MnO2 in nanowire energy storage devices such as nanowire-based capacitors or batteries. |
US10818915B2 |
Graphene-coated porous silicon-carbon composite and method of manufacturing the same
Provided are a porous silicon-carbon composite, which includes a core including a plurality of active particles, a conductive material formed on at least a portion of surfaces of the active particles, first pores, and second pores, and a first shell layer which is coated on the core and includes graphene, wherein the active particles include a plurality of silicon particles, silicon oxide particles, or a combination thereof, the first pores are present in the core and are formed by agglomeration of the plurality of active particles, and the second pores are irregularly dispersed and present in the core, has an average particle diameter smaller than an average particle diameter of the active particles, and are spherical, a method of manufacturing the same, and a negative electrode and a lithium secondary battery including the porous silicon-carbon composite. |
US10818914B2 |
Carbonized mushroom electrodes and methods
A carbonized mushroom tissue electrode material and methods are shown. In one example, carbonized mushroom tissue is used as an electrode in a battery, such as a lithium ion battery. A battery, comprising: a first electrode, including: carbonized tissue from a mushroom; a second electrode; and an electrolyte in contact with both the first electrode and the second electrode. |
US10818913B2 |
Negative electrode for metal battery, metal battery comprising the same, and method of preparing the negative electrode for metal battery
A negative electrode for a metal battery, the negative electrode a metal substrate; and a protective layer disposed directly on at least a portion of the metal substrate, wherein the protective layer comprises an ion-conductive oligomer, wherein the ion-conductive oligomer comprises an ion-conductive structural unit in at least one of a main chain and a side chain of the an ion-conductive oligomer, and at least two hydrogen-bond-forming functional groups at different ends of the ion-conductive oligomer, and wherein the protective layer has a thickness of 5 micrometers or less. |
US10818908B2 |
Method for manufacturing storage battery electrode, storage battery electrode, storage battery, and electronic device
To provide a method for forming a storage battery electrode including an active material layer with high density in which the proportion of conductive additive is low and the proportion of the active material is high. To provide a storage battery having a higher capacity per unit volume of an electrode with the use of a storage battery electrode formed by the formation method. A method for forming a storage battery electrode includes the steps of forming a mixture including an active material, graphene oxide, and a binder; providing a mixture over a current collector; and immersing the mixture provided over the current collector in a polar solvent containing a reducer, so that the graphene oxide is reduced. |
US10818905B2 |
Battery pack
A battery pack comprises first and second battery cells stacked in a vertical direction and a safety device that connects a first electrode lead provided in the first battery cell to a second electrode lead provided in the second battery cell to allow current to flow therebetween or separates the first electrode lead and the second electrode lead from each other to break the current when the first and/or second battery cells swell due to overcharging and/or overcurrent. In particular, the safety device comprises a connection member that electrically connects the first and second electrode leads to each other and a movable member that linearly moves the connection member when the first and second battery cells swell and separates the first electrode lead and the second electrode lead from each other, thereby breaking the current. |
US10818894B2 |
Battery component with a flow path
An exemplary method includes, among other things, providing first and second blanks that are nominally identical and that include an array of raised features. The method further includes removing a first combination of individual raised features from the first blank to provide a first battery component with a first flow path, and removing a different, second combination of individual raised features from the second blank to provide a second battery component with a different, second flow path. An exemplary battery assembly includes, among other things, a blank having a plurality of ribs extending from a floor. The blank is configured such that a first combination of the ribs are removable from the blank to provide a first battery component having first flow path, and a different, second combination of the ribs are removable from the blank to provide a second battery component having a different, second flow path. |
US10818892B2 |
Secondary battery and method for manufacturing the same
Provided are a secondary battery in which a sealing part is prevented from damaged by external force and a method for manufacturing the same. The method for manufacturing the secondary battery includes a preparation process of preparing a pouch in which an electrode assembly and an electrolyte are accommodated, a bonding process of bonding a bonding area disposed on a circumferential portion of the pouch by using a bonding device; and a sealing process of sealing a portion of the outside of the bonding area of the pouch that is bonded in the bonding process by using a sealing device. |
US10818891B2 |
Resin composition for sealant layer of battery packaging material
A resin composition can impart high insulating properties, sealing properties, and moldability to a battery packaging material. A resin composition minimizes cracks when used in the sealant layer of a battery packaging material and a heat seal section of the material is bent, and can impart high insulating properties. A resin composition for use in the sealant layer of a battery packaging material contains: at least one of a propylene-ethylene random copolymer having a melting point of 156° C. or more and an ethylene content of 5 mass % or less and a propylene-ethylene block copolymer having a melting point of 158° C. or more and an ethylene content of 7 mass % or less; and a polyolefin elastomer having a melting point of 135° C. or more. A resin composition for the sealing layer of a battery packaging material contains a polyolefin resin having an isotactic fraction of 99% or less. |
US10818890B2 |
Power source for an implantable medical device
A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing includes a cover and a case. The electrode assembly includes an anode tab and a cathode tab that are coupled to the cover and to a feedthrough pin disposed on the cover. The coupling of the anode tab to the cover defines an anode terminal while the coupling of the cathode tab to the feedthrough pin defines the cathode terminal. The anode and cathode tabs are aligned with the feedthrough pin and the connection point at the cover such that the tabs and feedthrough pin overlap each other along a common plane that is perpendicular to a plane that is defined by a major surface of the cover. |
US10818889B2 |
Battery cap assembly, secondary battery and battery module
The present disclosure provides a battery cap assembly, a secondary battery and a battery module. The battery cap assembly comprises: a cap plate, including a second terminal hole; a first electrode terminal, at least a part of which protruding above the cap plate; a second electrode terminal, including a second protruding portion protruding above the cap plate and a second base portion connected with the second protruding portion. The first electrode terminal is provided with a protrusion used for welding with a first connecting piece; the second protruding portion is used for welding with a second connecting piece to form a welding portion, and a projection of the welding portion in an up-down direction is positioned in a cross-section of the second base portion. The secondary battery comprises a case, an electrode assembly and the battery cap assembly. The battery module comprises the first connecting piece and the secondary batteries. |
US10818888B2 |
Battery unit having combustion resistance
A battery unit includes a battery, and a case accommodating the battery. The case includes: a case body including: a bottom portion; and a side wall, which is erected from the bottom portion and defines an opening portion; and a lid covering the opening portion of the case body. The case body and the lid are fastened at flange portions thereof. The flange portion of the case body, the flange portion of the lid, and the case body are covered with an incombustible member containing a glass material. |
US10818885B2 |
Lithium secondary battery
The present invention provides a lithium secondary battery. In particular, the present invention provides an adhesive pad for a lithium secondary battery in which the adhesive pad including the substrate layer and the adhesive layer formed on at least one surface of the substrate layer is adhered to at least one surface of the exterior material through the adhesive layer, such that it is possible to reduce the danger of ignition or explosion by improving penetration safety when applying to the lithium secondary battery, and a lithium secondary battery including the same. |
US10818883B2 |
Lithium ion batteries having transparent pouches
Lithium ion batteries and cells, as well as operating and testing methods are provided, which utilize a transparent pouch to monitor the battery in operational condition and/or in operation. Covers may be used to prevent illumination of battery components when testing is not required, and the covers may be removed or have modifiable transparency configured to enable visual monitoring. Indicators in the transparent pouch may be associated with cell components such as electrodes and electrolyte to indicate their condition. For example, the transparent pouch may be used to monitor battery safety, e.g., by enabling to monitor lithium metallization on an anode (directly or via indicators), monitor battery lifetime and other operational parameters, without having to damage the battery. |
US10818882B2 |
Secondary battery and battery module
The disclosure provides a secondary battery and a battery module. The secondary battery comprises: a case having an accommodation space and a first opening in communication with the accommodation space; an electrode component disposed in the accommodation space; a cover plate being installed at the first opening; wherein a connection slot is formed at a joint between the cover plate and the case, and the connection slot extends in a direction away from the accommodation space and throughout a top surface of the cover plate; and a first connection member being disposed in the connection slot, wherein the cover plate and the case are hermetically connected via the first connection member. |