Document Document Title
US10925199B2 Component mounter
A component mounter for holding a component and for mounting the component on a surface of a board includes a head, a horizontal moving device, a vertical moving device, a mounting control device, and an imaging device. The imaging device is configured to image an imaging target by receiving incident light from the imaging target on an imaging element via an optical system. The optical system includes a first optical system configured to guide incident light from a direction of a side surface of a nozzle tip to a first region of the imaging element, and a second optical system configured to guide incident light from a direction of the surface of the board to a second region of the imaging element. The imaging device is configured to image an image via the first optical system and the second optical system.
US10925198B2 Shaft device, mounting head, and surface mounter
A shaft device includes a nut support including a shaft hole, a spline shaft extending through the shaft hole of the nut support, a spline nut having a tubular shape, a bearing of thrust type rotatably supporting the spline nut relative to the nut support, and a biasing member configured to bias the bearing in an axial direction of the spline shaft. The spline nut is disposed coaxially with a portion of the spline shaft protruding upward from the shaft hole and connected to the spline shaft through a spline mechanism.
US10925197B2 Electrical filter for resistively earthed systems
Methods and systems of suppressing ground faults. One system includes a power center including a transformer and a ground fault relay. The system also includes a first motor electrically connected to the power center. The system also includes a first variable speed drive connected to the first motor. The first variable speed drive is configured to vary the speed of the first motor. The system also includes a first common mode choke connected in a series-type connection between the power center and the first variable speed drive. The first common mode choke is configured to suppress a ground current induced by the first variable speed drive.
US10925192B1 Using predictive analytics in electrochemical and electromechanical systems
Machine learning techniques provide predictions of computer system load and cooling requirements, allowing cooling systems to anticipate, prepare for, and ameliorate, those requirements. Techniques provide confirmation or denial that the computer and cooling systems are operating as expected, allowing those systems to determine if any parts are failing. Techniques provide information regarding likely effect due to proposed changes. Techniques provide probabilistic predictions, well in advance, of whether parts will fail or degrade. Techniques provide probabilistic predictions whether parts will fail or degrade, responsive to degrees of redundancy, set points for of cooling, or set points when cooling starts or ends.
US10925190B2 Leak detection and response system for liquid cooling of electronic racks of a data center
An electronic rack includes a rack manifold having a rack liquid supply line and a rack liquid return line, and server blades arranged in a stack. Each server blade includes cold plates and a server liquid distribution loop, and a leak detector configured to detect leaking of the cooling liquid distributed to the server blade. The electronic rack further includes server FCDs corresponding to the server blades and an RMC unit coupled to the server FCDs and leak detectors of the server blades. In one embodiment, in response to a signal received from a first leak detector of the first server blade indicating that there is a leak within the first server blade, the RMC unit is configured to transmit a control signal to the first server FCD to reduce an amount of cooling liquid to be distributed to the first server blade or bypass the liquid completely.
US10925183B2 3D extended cooling mechanism for integrated server
A 3D extended cooling mechanism includes cabinet, air intake module, heat exchange module including heat exchanger, air baffle and bottom plate, first wind tunnel defined above the air baffle, second wind tunnel defined between air baffle and bottom plate and third wind tunnel defined between bottom plate and bottom of cabinet. First, second and third wind tunnels accept the air drawn by air intake module to form a respective cold air stream. Heat exchanger accepts cold air stream of first wind tunnel for heat exchange, enabling hot air produced in heat exchange to be delivered to air outlet of cabinet for discharge. First, second, and third wind tunnels are designed to dissipate the relatively low temperature airflow into high temperature sensitive heat source components in the longitudinal direction and the lateral direction so that heat source elements can be efficiently dissipated at the same time to achieve three-dimensional expansion cooling.
US10925182B2 Dual heat transfer assembly for a receptacle assembly
A dual heat transfer assembly includes upper and lower heat transfer elements received in a separator channel of a port separator of a receptacle cage. The upper heat transfer element includes an upper thermal interface extending into an upper module channel to interface with an upper pluggable module. The lower heat transfer element includes a lower thermal interface extending into a lower module channel of the receptacle cage to interface with a lower pluggable module. The heat transfer elements include inner ends located in the separator channel. The heat transfer elements include biasing members engaging the heat transfer elements and biasing the heat transfer elements into thermal engagement with the pluggable modules.
US10925175B2 Compression gasket for an electronic assembly
An electronic assembly and a method of forming an electronic assembly. The electronic assembly including a printed circuit board including a perimeter; a compression gasket extending around at least a portion of the perimeter of the printed circuit board; and a housing including a first wall and a housing side wall extending from the first wall, the first wall and housing side wall form a cavity, wherein the printed circuit board and the compression gasket are located within the cavity with the compression gasket positioned between the perimeter and the housing side wall.
US10925172B1 Carrier structure and manufacturing method thereof
A carrier structure includes a carrier having at least one through hole penetrating the carrier and a build-up circuit layer located on the carrier and including at least one first circuit layer, at least one first dielectric layer, a second circuit layer, a second dielectric layer, and a plurality of conductive vias. The first circuit layer is located on a first surface of the carrier and includes at least one first pad disposed relative to the through hole. The first dielectric layer is located on the first circuit layer. The second circuit layer is located on the first dielectric layer and includes at least one second pad. The second dielectric layer is located on the second circuit layer and includes at least one opening exposing the second pad. The conductive vias penetrate the first dielectric layer and are electrically connected to the first and second circuit layers.
US10925171B2 Surface treated copper foil, surface treated copper foil with resin layer, copper foil with carrier, laminate, method for manufacturing printed wiring board, heat dissipation substrate, and method for manufacturing electronic device
The present invention provides a surface treated copper foil in which a dropping of the roughening particles from a roughening treatment layer on the surface of the copper foil is suppressed and an occurrence of wrinkles or stripes when bonding with an insulating substrate is suppressed. The surface of the roughening treatment layer satisfies one or more of the following: a roughness Ra is 0.08 to 0.20 μm, a roughness Rz is 1.00 to 2.00 μm, a roughness Sq is 0.16 to 0.30 μm, a roughness Ssk is −0.6 to −0.35, a roughness Sa is 0.12 to 0.23 μm, a roughness Sz is 2.20 to 3.50 μm, a roughness Sku is 3.75 to 4.50, and a roughness Spk is 0.13 to 0.27 μm, a glossiness of a TD of the surface of the side of the roughening treatment layer of the surface treated copper foil is 70% or less.
US10925169B2 Method for manufacturing transparent light emitting device by using UV imprinting technology and transparent light emitting device manufactured thereby
The present invention relates to: a method for manufacturing a transparent light emitting device, which can minimize the manufacturing time of a large-area high-resolution transparent light emitting device and maximize the productivity thereof by forming an integrated metal mesh circuit pattern through a UV imprinting technology; and a transparent light emitting device manufactured thereby.
US10925166B1 Protection fixture
A fixture and method are directed to releasably couple the fixture to a semi-flexible printed circuit board (PCB)/printed circuit board assembly (PCBA) at a flexible PCB/PCBA portion. The fixture includes a body with a first arm and a second arm extending from a base, an interior surface of the first arm facing an interior surface of the second arm. A first ridge extends from the interior surface of the first arm and defines a first gap between the first ridge and the interior surface of the second arm. The first gap is sized to receive and support a flexible PCB/PCBA portion. At least one second ridge extends from the interior surface of the first arm and defines a second gap between the at least one second ridge and the interior surface of the second arm. The second gap is sized to receive and support a rigid PCB/PCBA portion.
US10925164B2 Stackable passive component
Methods and systems for producing circuitry using stackable passive components are discussed. More specifically, the present disclosure provides designs and fabrication methods for production of stackable devices that may be used as components in circuitry such as filters and impedance matching adaptors. Such components may be used to save space in printed circuit boards. Moreover, stackable passive components may be dual components, which may be improve the electrical performance in certain types of circuits such as matched component filters.
US10925155B2 Printed circuit board and display device including the same
A printed circuit board includes: a first flexible base member; a first metal line disposed on the first flexible base member; a first plating line disposed on the first metal line and including a first connecting portion, a first interconnection portion extending from the first connecting portion, and a first bending portion extending from the first interconnection portion; a first protective layer covering the first interconnection portion and exposing the first connecting portion and the first bending portion; a connection part disposed on the first bending portion and connected to the first bending portion; a second protective layer extending from a side surface of the connection part; a second plating line disposed on the second protective layer; a second metal line disposed on the second plating line; and a second flexible base member disposed on the second metal line.
US10925154B2 Tamper detection
In described examples, an enclosure for circuitry includes a platform, a charge source, a first capacitive plate, a second capacitive plate, and a capacitive sensor. The circuitry is fixedly coupled to the platform. The first capacitive plate is also fixedly coupled to the platform, and either alone, or together with the platform, surrounds a volume containing the circuitry and the charge source, the charge source electrically coupled to and configured to charge the first capacitive plate. The second capacitive plate is fixedly coupled to the platform without touching the first capacitive plate, and either alone, or together with the platform, surrounds the first capacitive plate. The second capacitive plate is configured so that there is an electric potential difference between the first capacitive plate and the second capacitive plate. The capacitive sensor is electrically connected to the first capacitive plate and configured to determine when a capacitance between the first and second capacitive plates is changed.
US10925152B2 Dielectric coating for crosstalk reduction
Apparatuses, systems and methods associated with dielectric coatings for printed circuit boards are disclosed herein. In embodiments, a printed circuit board (PCB) includes a substrate, microstrip conductors located on a surface of the substrate, a solder mask covering the surface of the substrate and the microstrip conductors, and a dielectric coating located on the solder mask, the dielectric coating on an opposite side of the solder mask from the microstrip conductors, wherein a thickness of the dielectric coating is selected to cause a ratio of capacitive coupling to self capacitance to be approximately equal to a ratio of inductive coupling to self inductance for each microstrip conductor of the microstrip conductors, where the thickness may be determined based on a specific methodology including simulations. Other embodiments may be described and/or claimed.
US10925151B2 Systems and methods for providing a high speed interconnect system with reduced crosstalk
Systems and methods for providing a PWB. The methods comprise: forming a Core Substrate (“CS”) a First Via (“FV”) formed therethrough; disposing a First Trace (“FT”) on an exposed surface of CS that is in electrical contact with FV; laminating a first HDI substrate to CS such that FT electrically connects FV via with a Second Via (“SV”) formed through the first HDI substrate; disposing a Second Trace (“ST”) on an exposed surface of the first HDI substrate that is in electrical contact with SV; and laminating a second HDI substrate to the first HDI substrate such that ST electrically connects SV to a Third Via (“TV”) formed through the second HDI substrate. SV comprises a buried via with a central axis spatially offset from central axis of FV and SV. FV and SV have diameters which are smaller than TV's diameter.
US10925149B2 High frequency module, board equipped with antenna, and high frequency circuit board
A first board includes a first ground plane, a first ground land, a first transmission line, and a first signal land connected to the first transmission line, wherein the first ground land and the first signal land are formed on the same surface. A second board includes a second ground plane, a second ground land, a second transmission line, and a second signal land connected to the second transmission line, wherein the second ground land and the second signal land are formed on a surface opposing the first board. The second ground land and the second signal land oppose the first ground land and the first signal land, respectively. A conduction member connects the first ground land and the second ground land. The first signal land and the second signal land are connected by capacitance coupling without using any conductor.
US10925145B2 Device for generating compressed fluids
A device for generating compressed fluids includes a first process chamber for a first reaction material; a second process chamber for a second reaction material; a third process chamber for a fluid intended for compression; a unit for determining the nebulization and the consequent inlet of the first reaction material into process chamber; a unit intended for determining the emission of radio waves with variable frequencies in the direction of the process chamber, where the radio waves emitted by the unit interact with the first and second reaction material contained in third process chamber, for producing a high-energy plasma warms and thereby compresses the fluid contained in second process chamber.
US10925143B2 Laser apparatus and EUV light generating system
A laser apparatus includes an optical element disposed on a laser beam axis, an actuator configured to displace the optical element to displace the laser beam axis, a driving amount monitor configured to monitor a driving amount of the actuator, an optical axis monitor disposed along the laser beam axis and configured to monitor the laser beam axis, and a control unit configured to control the actuator based on a monitoring result of the optical axis monitor and determine abnormality of the optical element based on a monitoring result of the driving amount monitor.
US10925142B2 EUV radiation source for lithography exposure process
An extreme ultraviolet (EUV) lithography system is provided. The EUV lithography system includes the above-mentioned extreme ultraviolet (EUV) radiation source. The EUV lithography system further includes a collector configured to collect and reflect the EUV radiation and a mask stage configured to secure an EUV mask. The EUV lithography system also includes a wafer stage configured to secure a semiconductor wafer. In addition, the EUV lithography system includes one or more optical modules configured to direct the EUV radiation from the radiation source to image an integrated circuit (IC) pattern defined on the EUV mask onto the semiconductor wafer.
US10925141B2 Lighting device control system comprising a matching module and an RF module and using a matching code and an activation code
A lighting device control system includes plural lighting assemblies having RF modules. When the RF module of one of the lighting assemblies is switched on to send an activation signal, the RF module of an other lighting assembly received the activation signal is switched on in order to control plural lighting assemblies the same time.
US10925138B2 Flicker-free linear LED drive circuit
A flicker-free linear LED drive circuit is disclosed. The flicker-free linear LED drive circuit converts the input voltage of the external power supply to form an output current to the LED. The flicker-free linear LED drive circuit includes a measuring module, a regulating module and a rectifier module. The flicker-free linear LED drive circuit is characterized in that the measuring module is configured to measure the phase angle of the input voltage after full-wave rectification; the regulating module is used to form the complex voltage signal according to the measurement signal in the voltage waveform of the regulating module for the half-wave period, the conduction angle range formed at the fixed power is used as the basis for electrical conduction in the half-wave period of the input voltage.
US10925134B2 Adjustable white light illumination devices
A lighting device producing white light having a target color correlated temperature (CCT) value includes an LED array having one or more red LEDs, one or more warm white LEDs, and one or more cool white LED; one or more photo-luminescent materials for shifting the CCT value of the light emitted from the cool white LED toward a green CCT value and/or the CCT value of the light emitted from the warm white LED toward a yellow CCT value; and a waveguide material having a mixing region for mixing the shifted and unshifted light so as to generate white light having the target CCT value and an output region for outputting the white light.
US10925128B2 Current tuneback in light emitting diode luminaires
Safety improvements to Light Emitting Diodes (LED) are discussed herein. As the LEDs that are part of a luminaire heat up and cool down, the current supplied will be tuned to improve the safety of the luminaire to manage the levels of light and heat produced. At least one thermally active electrical component is incorporated into the LED load of the luminaire, which is communicated to an LED current control to signal when to adjust current levels providing by a driving circuit. Current is reduced when the temperature of the LED load exceeds a threshold, and or returned to an optimal current when the temperature no longer exceeds the threshold.
US10925117B2 Method and apparatus for transmitting RRC message
An apparatus for transmitting a Radio Resource Control (RRC) message, wherein the apparatus is applied in a communication system in which a plurality of connections are established between a terminal and an access network device, the apparatus comprising: a processor; and a memory configured to store instructions executable by the processor; wherein the processor is configured to: receive RRC diversity configuration information sent by the access network device, wherein the RRC diversity configuration information is configuration information required when the terminal enables or disables RRC diversity; and determine whether to enable the RRC diversity according to the RRC diversity configuration information, wherein the RRC diversity is a way of transmitting identical uplink RRC messages through at least two connections.
US10925108B2 Method and apparatus for retransmitting uplink data configured in discontinuous reception in a wireless communication system
The disclosure relates to a communication technique for converging a 5G communication system, which is provided to support a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The disclosure may be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The embodiment of the disclosure relates to an uplink data retransmission method. In addition, the embodiment of the disclosure relates to a method for adjusting time synchronization of an uplink.
US10925099B2 Multi-egress backhaul
A method for providing increased backhaul capacity in an ad-hoc mesh network is disclosed. The method involves attaching a mobile base station in an ad-hoc mesh network to a macro cell; measuring at least one of a backhaul signal quality with the macro cell and a throughput to the macro cell; reporting information, including a signal quality parameter, a physical position of the mobile base station, a cell identifier of the macro cell, and the measured throughput, to a coordinating node; determining if the connection between the mobile base station and the macro cell is currently in use by the ad-hoc mesh network, and whether the link exceeds a minimum quality threshold; and sending, to the mobile base station, an instruction to advertise a connection from the mobile base station to the macro cell to other nodes in the ad-hoc mesh network.
US10925094B2 Scheduling request techniques in wireless transmissions
Methods, systems, and devices for wireless communication are described that provide scheduling request (SR) resources that may be used by a user equipment (UE) to request uplink resources. SR resources may be allocated within random access channel resources, and a UE may use the SR resources to transmit a SR. The random access resources may be allocated in a first duration transmission time interval (TTI) that has a duration that is shorter than a second duration TTI. The SR resources may be a subset of random access preambles associated with the random access resources.
US10925091B2 Listen-before-talk (LBT) with new radio-spectrum sharing (NR-SS) discovery signal transmission
Wireless communications systems and methods related to performing listen-before-talk (LBT) with discovery signal transmissions for spectrum sharing are provided. A wireless communication device senses a channel in a spatial domain based on a plurality of expected beam transmission directions, wherein the wireless communication device is associated with a first network operating entity, and wherein the channel is shared by a plurality of network operating entities including the first network operating entity. The wireless communication device transmits a plurality of discovery signals in one or more of the plurality of expected beam transmission directions during a discovery period to facilitate synchronization in the channel based on the sensing.
US10925090B2 On-demand listen-before-talk
Methods, systems, and devices for wireless communications are described. A wireless device may determine an interference status of each beam configuration of a plurality of active beam configurations for a shared radio frequency spectrum band. The wireless device may determine a beam-specific listen-before-talk (LBT) requirement for each beam configuration of the plurality of active beam configurations based at least in part on the determined interference status of each beam configuration. The wireless device may selectively enable an LBT procedure on a per-beam basis according to the determined beam-specific LBT requirement for each beam configuration.
US10925081B2 Method for transmitting information regarding available resource, and apparatus therefor
The present invention discloses a method for a terminal receiving a signal from a base station and a particular communication apparatus in a wireless communication system. Specifically, the method is characterised by the steps of: receiving information regarding an allocated blank resource from the base station in order to receive a first signal for a first wireless communication service; receiving the first signal on the blank resource, and receiving a second signal for a second wireless communication service on resources apart from the blank resource; and decoding one or more of the first signal and the second signal based on the blank resource information.
US10925080B2 Methods and devices for information transmission
The application provides a methods and devices for information transmission. The method includes that: a terminal device receives control signaling transmitted by a network device at a first time position; and the terminal device transmits a Scheduling Request (SR) and/or feedback information related to the control signaling to the network device according to the first time position, a second time position for transmitting the SR being at least partially overlapped with a third time position for transmitting the feedback information. The terminal device determines how to effectively transmit the information related to the control signaling and other information on the basis of time when the downlink control signaling is received, so that different information may still be effectively transmitted under the situation that Physical Uplink Control Channels (PUCCHs) of two different lengths exist.
US10925079B2 Method and device for scheduling uplink signal and downlink data channel in next generation wireless network
The present embodiments provide a method for scheduling an uplink signal and a downlink data channel in an NR, wherein one embodiment is a method by which a terminal schedules an uplink signal and a downlink data channel, the method comprising the steps of: receiving, from a base station, an uplink signal and downlink data channel scheduling information; and scheduling the uplink signal and the downlink data channel on the basis of the scheduling information. Therein: the scheduling information comprises timing relationship setting information between a downlink control channel and a corresponding downlink data channel or uplink data channel, and timing relationship setting information of a downlink data channel and a corresponding uplink control channel; and the numerology of the downlink control channel and the numerology of the corresponding downlink data channel or uplink data channel are different, or, the numerology of the downlink data channel and the numerology of the corresponding uplink control channel are different.
US10925076B2 Signaling aspects of multiple SR configuration for service differentiation
A base station configures a terminal with two or more Scheduling Request (SR) configurations. Each SR configuration includes at least one of time and frequency domain resources for a SR, based on information associated with logical channels (LCH). From a received SR transmitted according to a SR configuration, the base station may ascertain that the terminal has data to transmit; the LCH triggering the SR; a priority for each LCH; and/or a set of the numerologies/TTI durations associated with each LCH. Methods disclosed herein provide a signaling alternative for the network to signal multiple SR configurations; provide means for the network to activate/deactivate certain configurations; provide means for the network to switch from one configuration to another one, and signal to the terminal; and provide means for the terminal to signal configurations from the terminal's preference perspective.
US10925064B2 Random access method for multiple numerology operation
The present disclosure introduces methods and apparatus for configuring or preconfiguring random access procedures when there are multiple configurable numerologies for one carrier. In some embodiments, the random access numerology of the wireless device is configured using the system information block. In other embodiments, the random access numerology used by the wireless device is determined implicitly based on the detection of one or more synchronization signals.
US10925061B2 Method and apparatus for beam detection in a wireless communication system
A method and apparatus for beam detection in a wireless communication system. In one embodiment, the method includes the UE initiating a RA procedure. The method also includes the UE transmitting multiple RA preambles to a base station of the cell at different occasions for the base station to determine a beam set of the UE. The method further includes the UE starts monitoring a PDCCH for RA response reception from the base station after finishing transmissions of the multiple RA preambles.
US10925053B2 First communication device, second communication device and methods therein, for sending and receiving, respectively, an indication of a subframe type
A method performed by a first communication device is described herein for sending an indication to a second communication device. The first communication device determines an indication of a subframe type. The subframe type is of a subframe sent on a carrier by a cell associated with the first communication device and a second communication device. The subframe type is one of punctured and normal. The first communication device sends the indication to the second communication device, the indication being as determined by the first communication device.
US10925051B2 Method and apparatus for transmitting/receiving channels in mobile communication system supporting massive MIMO
A channel transmission/reception method and an apparatus for transmitting/receiving channels between a base station and a mobile terminal efficiently in a mobile communication supporting massive Multiple Input Multiple Output (MIMO) transmission are provided. The method includes determining a resource to which a Demodulation Reference Signal (DMRS) addressed to a terminal is mapped within a resource block, the DMRS resource being positioned in at least one of a first resource set capable of being allocated for DMRS and a second resource set symmetric with the first resource set on a time axis, and transmitting the DMRS and DMRS allocation information to the terminal.
US10925050B2 Base station, terminal apparatus, first terminal apparatus, method, program, recording medium and system
In order for a first terminal apparatus to transmit a physical uplink control channel to a base station without retuning regardless of a bandwidth part used by the first terminal apparatus, a base station 100 according to the present disclosure includes a communication processing unit 141 configured to communicate with the first terminal apparatus (terminal apparatus 200A) within a bandwidth part of an uplink system band, the bandwidth part being used by the first terminal apparatus (terminal apparatus 200A), wherein the bandwidth part includes a physical uplink control channel region used by the first terminal apparatus (terminal apparatus 200A).
US10925048B2 Control resource set for single-carrier waveform
Certain aspects of the present disclosure relate to communication systems, and more particularly, to a control resource set (coreset) for transmitting physical downlink control channels using a single-carrier waveform in communications systems operating according to new radio (NR) technologies. In an exemplary method, a base station may determine a first control resource set (coreset) of time and frequency resources within a control region of system bandwidth, to transmit a physical downlink control channel (PDCCH) to a user equipment (UE) and transmit the PDCCH to the UE as a single-carrier waveform via the first coreset of time and frequency resources.
US10925042B2 Allocation and logical to physical mapping of scheduling request indicator channel in wireless networks
A method for allocating resources for a scheduling request indicator (SRI) is disclosed. An SRI cycle period for use by user equipment (UE) within a cell is transmitted from a NodeB in a cell to UE within the cell. The NodeB transmits a specific SRI subframe offset and an index value to the particular UE within the cell. The specific SRI subframe offset and the index value enable the UE to determine a unique combination of cyclic shift, RS orthogonal cover, data orthogonal cover, and resource block number for the UE to use as a unique physical resource for an SRI in the physical uplink control channel (PUCCH).
US10925040B2 Method and device for transmitting sounding reference signal, chip and user equipment
A method and a device for transmitting an SRS, a chip and a LTE are provided. The method includes: acquiring scheduling information of an uplink transmission channel when the uplink transmission channel is being scheduled; determining a resource adopted by an uplink control channel corresponding to the scheduling information of the uplink transmission channel in accordance with a predetermined mapping relationship between the scheduling information of the uplink transmission channel and resources adopted by the uplink control channel for the transmission of an uplink control signal; and transmitting the SRS through the resource adopted by the uplink control channel.
US10925039B2 Method and apparatus for handling retransmission indication for configured grant in sidelink in a wireless communication system
A method and apparatus are disclosed. In an example, a first device receives first information and second information from a base station. The first device is configured with a configured grant for sidelink communication via the first information. The configured grant is indicative of first resources for sidelink communication. The second information is indicative of one or more timing offsets and an identity for second resources. The first device transmits sidelink data to a second device via a first resource of the first resources. The first device receives and/or detects a first signal, from the second device, indicative of a reception result associated with the sidelink data. The first device determines a second time and a frequency location based on the second information. The first device transmits a second signal to the base station via a second resource associated with the second time and the frequency location.
US10925034B2 Resource indication method, apparatus, and system
A communication operation carried out by a base station is described herein. The operation includes generating first indication information. The first indication information indicates configuration information of a first resource. The operation further includes generating second indication information. The second indication information indicates a relationship between a second resource and the first resource to a terminal. The operation further includes sending the first indication information and the second indication information, so that the terminal determines its own receiving resource or sending resource. When the base station indicates the receiving resource or the sending resource of the terminal resource indication overheads can be reduced.
US10925032B2 Polar bit allocation for partial content extraction
Aspects of the disclosure provide a method and device performing input bit allocation that includes receiving broadcasting information bits, generating timing related bits for the broadcasting information bits, and selecting a portion of the generated timing related bits. The method and device can further include allocating each of the selected timing related bits to selected input bits of an encoder, so that each of the selected timing related bits is allocated to an input bit of the encoder corresponding to an available bit channel of the encoder where the selected inputs bits of the encoder correspond to encoded bits that are located in a front portion of the encoded bits.
US10925028B2 System and method for monitoring identification and position of devices using radio fingerprinting
A device for monitoring an identification and positioning system may comprise a transceiver and a controller operatively coupled to a memory. The controller may be configured to receive a status signal from the transceiver indicative of an inspection of a component, obtain an identity of the component, a location of the component, and a signal strength of a signal produced by the component, access a record from the memory, determine whether the record includes an identity of the component or a location of the component that matches the obtained identity or location of the component, observe a difference in the obtained signal strength and a signal strength from the record, and send a notification of an issue concerning the component when the difference is outside a range.
US10925027B2 Processing method for tracking UE in low power mode, and device
Embodiments of this application provide a processing method for tracking a user equipment (UE) in a low power mode, and a device. The method includes: obtaining transmission configuration information between the UE and a network device, where the transmission configuration information indicates that an uplink tracking signal is to be sent according to a discontinuous transmission mode, and the transmission configuration information includes a transmission cycle. When the UE enters a low power mode, sending, an uplink tracking signal to the network device based on the transmission configuration information; and receiving timing advance (TA) adjustment information returned by the network device, where the TA adjustment information is obtained by the network device through detection of the uplink tracking signal.
US10925019B2 User terminal and radio communication method
Even when different numerologies from those of legacy LTE systems are used, synchronization signals are appropriately transmitted and/or received. A user terminal includes: a reception section that receives a first synchronization signal and a second synchronization signal mapped on predetermined resources; and a control section that controls synchronization processing based on the first synchronization signal and the second synchronization signal, and spacings of the first synchronization signal and the second synchronization signal at which the first synchronization signal and the second synchronization signal are mapped on subcarriers are different.
US10925018B2 Method and wireless device for determining transmission power
One embodiment of the present invention provides a method for a wireless device determining transmission power. The method may comprise the steps of: when asynchronous dual transmissions for vehicle-to-everything (V2X) and a cellular uplink are set, and when a subframe p for cellular uplink transmission and a subframe q for V2X transmission mutually overlap, determining whether the subframe p for cellular uplink transmission precedes the subframe q for V2X transmission; and on the basis of the decision, determining a reference subframe from among the subframe p and the subframe q. Here, the reference subframe may be used for determining the lower limit of a transmission power.
US10925017B2 Data transmission method and system
A method is based on data transmission in a multi-parameter system, where a plurality of parameters include a subcarrier spacing. The method includes: sending, by the multi-parameter system, data over a physical channel or a physical signal by using at least one subcarrier spacing.
US10925016B2 Apparatus and method for time synchronization in wireless communication system
An apparatus and a method for time synchronization are provided. The method may include estimating a sampling time offset caused by a sampling frequency of an input signal received through a wireless channel; estimating a channel time offset caused by the wireless channel; and compensating a time offset in a time offset compensation unit for time synchronization with a transmitter of an input signal based on a sampling time offset and a channel time offset.
US10925014B2 Method and apparatus for synchronization in a network
The present disclosure provides method and apparatus for causing synchronization of at least one connected device by a source device, where the apparatus is adapted to perform the method comprising: receiving, by a receiver, delay information corresponding to at least one device which is connected to the source device and configured to process at least one type of data; calculating, by a processor, at least one delay value of the at least one device based on the delay information; and synchronizing the at least one device with the source device based on the at least one calculated delay value.
US10925012B2 Cellular user equipment and method of operation
Embodiments include methods of operating a user equipment (UE) in a serving cell provided by a base station in a cellular communications network. These embodiments include establishing a Radio Resource Control (RRC) connection with the base station, such that the UE is operating in an RRC Connected state according to a first value of a parameter (e.g., a time alignment timer value) affecting the UE's uplink synchronization with the serving cell. These embodiments also include initiating a reconfiguration of the RRC connection towards the base station and, in response to initiating the reconfiguration, receiving from the base station a second value of the parameter affecting the UE's uplink synchronization with the serving cell. These embodiments also include operating in an RRC Connected state according to the second value of the parameter. Other embodiments include UEs configured to perform operations corresponding to these methods.
US10925011B2 Method for communication between user equipments, user equipment, and base station
A method for communication between user equipments, user equipment, and a base station. The method includes establishing, by a first user equipment (UE), a first virtual cell, and sending, by the first UE, a first synchronization signal and a first broadcast message, wherein the first synchronization signal comprises an identity of the first virtual cell, and wherein the first broadcast message comprises configuration information of the first virtual cell, wherein the first synchronization signal and the first broadcast message cause a second UE to access the first virtual cell according to the identity of the first virtual cell and the configuration information of the first virtual cell, and to communicate with the first UE.
US10925005B2 Uplink power control for 5G systems
This disclosure proposes to use multiple power control loops in the uplink. Each power control loop may be associated with a respective antenna beam transmitted from an antenna array of the electronic device (e.g. UE) in the uplink. For example, a beam (or uplink signal) may be associated with 1, 2 or even more MIMO layer. Hence, in this latter case, each power control loop may be associated with a respective set of one or more MIMO layers. This concept is application to open-loop, closed-loop power control or both.
US10924998B2 Method and apparatus for transmitting wake-up packet in wireless LAN system
Disclosed are a method and apparatus for transmitting a wake-up packet in a wireless LAN system. Specifically, a transmission apparatus composes a wake-up packet and transmits same to a receiving apparatus. An OOK scheme and Manchester coding are applied to the wake-up packet. The wake-up packet comprises a sequence containing first information and second information. The first information and second information comprise on and off signals. The on signal applies a first sequence on K number of successive subcarriers in a 20 MHz band, and is transmitted by means of a first symbol generated by carrying out a 64-point IFFT. In the first sequence, one from among a subcarrier having a subcarrier index that is an even number and subcarrier having a subcarrier index that is an odd number is nulled.
US10924995B2 Wake-up radio roaming
This disclosure is directed to controlling a wake-up radio (WUR) in a wireless station side client device (STA-device). In one example, after the STA-device has received negotiation parameters from a wireless access point (AP) to establish a wireless association as a network connection between the STA-device and the AP. The PCR may be disabled in favor of the WUR. The WUR, which may use less power than the PCR, may then monitor for Beacon Frames (e.g., in the disclosed beacon loop) and Discovery Frames (e.g., in the disclosed discovery loop). Based on a state machine, that may be implemented as computer instructions executed by a hardware processor of the STA-device. Generally, the STA-device may use the WUR and state machine implementation to determine a proper time to re-enable the PCR for communication with the AP.
US10924990B2 Access point connectivity optimization
This disclosure describes methods, apparatuses, and devices related to optimizing connectivity between devices. A device is disclosed that may determine first information received from a client device, wherein the first information comprises at least one of an authentication request, an association request, or pre-association discovery request, and wherein the first information includes an indication of a first device type. The device may further determine a first virtual access point from a group of virtual access points associated with the wireless device based at least in part on the first device type, wherein the first virtual access point has first wireless resources. The device may further associate the client device with the first virtual access point. The device may further cause to send to the client device data based at least in part on the first wireless resources.
US10924989B2 Communication system, communication apparatus, communication method, terminal, and non-transitory medium
A data center adapted to connect via a first wide area network to a core network connected with a base station and to a wireless LAN, variably controls service provided in a virtual core network of the data center to a terminal enabled to select connection to either a wireless LAN or a base station and connect to the data center.
US10924987B2 FTM based secure ranging error recovery
Methods for performing error recovery during a ranging procedure may include negotiation one or more ranging parameters, including a set of secure training sequences and receipt of a first ranging frame that may include a first dialog token and may have an appended first secure training sequence. The first ranging frame may be decoded based on the first dialog token but not correlated based on the first secure training sequence. A first acknowledgment that may include an appended second secure training sequence may be transmitted. The second secure training sequence may be associated with a prior dialog token. A second ranging frame that may include a second dialog token and may have an appended third secure training sequence may be received. The second ranging frame may be decoded based on the third dialog token and correlated based on the third secure training sequence.
US10924981B2 Telecommunications apparatus and methods
A wireless telecommunications system supports a virtual carrier operation mode in which downlink communications are made by a base station while a terminal device can receive at least some communications from the base station within a restricted subset of transmission resources, and supports terminal devices in a radio resource control connected mode and radio resource control idle mode. When there is to be a change in system information the base station transmits to the terminal device an indication that updated system information is to be broadcast by the base station, the indication received by the terminal device while in the connected mode. Before seeking to acquire the updated system information, the terminal device transitions from the connected mode to the idle mode, and then seeks to acquire updated system information. The base station restricts transmission of user-plane data to the terminal device until the terminal device re-enters the connected mode.
US10924978B2 Access control methods and apparatus for radio systems
A wireless terminal communicates to an access node which is connected to a first core network and a second core network. The wireless terminal comprises receiver circuitry, processor circuitry, and transmitter circuitry. The receiver circuitry is configured to receive from the access node first access control information and to separately receive from the access node second access control information. The processor circuitry is configured to perform, based on the first access control information, an access control procedure for the first core network, and to perform, based on the second access control information, an access control procedure for the second core network. The transmitter circuitry is configured to transmit an access request according to access control information.
US10924973B2 Dynamically managing band capability
In some implementations, a method in a user equipment (UE) for dynamically managing band capacity includes communicating with a first radio access network (RAN) on a first Radio Frequency (RF) channel and a second RAN on a second RF channel, where the first RAN and the second RAN are different networks. The UE receives an indication from the first RAN (or makes a determination) to handover to a third RF channel. The UE determines that the third RF channel conflicts with the second RF channel. The UE disables an RF band including the second RF channel with the second RAN and reports updated RF Band Capabilities to one or both RANs.
US10924972B1 Supporting uplink transmissions
A method and a wireless transmit/receive unit (WTRU) are disclosed. The WTRU includes a receiver and a transmitter. The WTRU receives, from a primary downlink cell, a first scheduling assignment for a first uplink transmission and transmits first data in the first uplink transmission to at least a primary uplink cell using a first hybrid automatic repeat request (HARQ) process. The WTRU receives, from the primary downlink cell, a second scheduling assignment, the second scheduling assignment indicating a hybrid automatic repeat request (HARQ) process identification of the first HARQ process, a modulation and coding set (MCS), and a transmission time opportunity, determines whether to retransmit the first data based on the HARQ process identification, and retransmits the first data in a second uplink transmission using the first HARQ process, the MCS, and the transmission time opportunity.
US10924967B2 Method and apparatus for setting handover parameter in mobile communication system
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE).A method of setting a handover parameter includes receiving, from a serving evolved NodeB (eNB), cell type information indicating eNB types of the serving eNB and eNBs adjacent to the serving eNB, and mobility information of the UE, detecting types of the serving eNB and a target eNB based on the cell type information, and setting a Time-To-Trigger (TTT) applied, the mobility information of the UE, and a received signal strength for the serving eNB.
US10924960B2 Systems and methods for providing mobility aspects to applications in the cloud
An exemplary system according to the present disclosure comprises at least one mobility networking module implemented in at least one lower tier radiolet. The mobility network module performs one or more traffic data plane functions. The exemplary system further comprises at least one mobility application module implemented in at least one upper tier radiolet. The mobility application module performs one or more application data plane functions. The exemplary system further comprises at least one mobility cloud module implemented in the at least one lower tier radiolet and the at least one upper tier radiolet. The mobility cloud module performs computing execution functions of a cloud session.
US10924956B2 Beam information reporting method for multi-user MIMO transmission in wireless communication system and apparatus therefor
Disclosed is a method by which a terminal reports beam information to a base station in a wireless communication system. The method comprises the steps of: receiving, from the base station, a beam measurement reference signal corresponding to each of a plurality of candidate transmission beams; determining at least one best transmission beam among the plurality of candidate transmission beams on the basis of the beam measurement reference signal; determining at least one worst transmission beam corresponding to each of the at least one best transmission beam among the plurality of candidate transmission beams by using a best reception beam corresponding to the at least one best transmission beam among candidate reception beams; reporting, to the base station, information on the at least one best transmission beam and the at least one worst transmission beam corresponding to the at least one best transmission beam.
US10924949B2 Abnormality detecting method and abnormality detecting device
Provided is an abnormality detecting method implemented by a computer, the abnormality detecting method including: acquiring a plurality of pieces of performance information each containing performance of a management target device; determining whether abnormal performance information is included among the plurality of pieces of performance information, in accordance with a condition for determining an abnormality of the performance; when the abnormal performance information is included, identifying a type of a failure corresponding to the abnormal performance information, in accordance with a correspondence relationship that associates respective combinations of a plurality of identifiers indicating the abnormality of the performance with failure types; and deciding a degree of importance of a measure against the failure, in accordance with information related to the identified failure type.
US10924943B2 Instantiation and management of physical and virtualized network functions of a radio access network node
A network management function (NMF) is configured to instantiate a network service (NS), update a NS, and/or establish a relation between a virtualized network function (VNF) instance and a physical network function (PNF) instance. The NMF may instantiate, for example, a NS including a new VNF that is part of a base station or a g Node B (gNB), a NS including a PNF that is part of the gNB, or a NS that includes a PNF and a new VNF that form a gNB. The NMF may also, for example, update a NS to add a VNF instance to a NS that already includes a PNF instance to form a gNB, or update a NS to add a PNF instance to a NS that already includes a VNF instance to form a gNB.
US10924940B2 Unified cloud-based core network supporting multiple private cbrs networks of multiple operators with network slicing
A unified core network provides core network services to a number of telecommunications network operators. The unified core is partitioned into a number of slices with each slice being the core network for a network operator. Each network operator is then free to define services within its own partition to serve its own users. In this manner, the network operators are freed from building and maintaining a core network while simultaneously enjoying the benefit of having a core network.
US10924937B2 Validation of PAL protection areas
According to some embodiments, a method for use in a first spectrum access system (SAS) server of authorizing spectrum access comprises: receiving, from a second SAS, information about one or more priority access license (PAL) protection areas (PPAs) served by the second SAS; receiving a spectrum grant request on behalf of one of a first PPA or a first general authorized access (GAA) user; determining whether granting the spectrum grant request may interfere with a second PPA geographically proximate the one of the first PPA or the first GAA user, wherein the second PPA is served by the second SAS; and granting or denying the spectrum grant request based at least in part on the interference determination. The interference determination may comprise modeling the radio environment within the second PPA and surrounding areas based on the spectrum grant request to determine whether an aggregate interference level exceeds a threshold.
US10924931B2 External sharing with improved security
A computing system includes a processor and memory storing instructions executable by the at least one processor. The instructions, when executed, provide a user interface component that receives an indication of an external user with which to share an item of electronic content, a link generation component that generates a link to share the item of electronic content and identifies a communication endpoint associated with the external user, and an access control component that receives a request to access the item of electronic content using the link and, in response to the request, generates an access code that is communicated to the communication endpoint associated with the external user. The user interface component receives an access input, and the access control component grants access to the item of electronic content based on a determination that the access input includes the access code communicated to the communication endpoint associated with the external user.
US10924928B1 System and method for providing authenticated identity of mobile phones
Systems and methods validate that subscriber identity module (SIM) number of an end device connected to a network is the same number that was activated for that device. A network device in a network obtains a SIM number and a universal identifier (UID) for the end device during an activation procedure. The network device generates a unique SIM authentication code based on the SIM number, the UID, and a master key. The network device sends the unique SIM authentication code to the end device as part of the activation procedure. After activation, the network device receives, from the end device, an authentication message that includes a first one-time password (OTP), the UID, a time value, the SIM number, and the SIM authentication code. The network device generates a second OTP based on the UID, the time value, the SIM number, and the master key and validates a pairing of the end device and the SIM number when the two OTPs match.
US10924927B2 Wireless network association and authentication system
A wireless network association and authentication system includes an access point that is coupled to an authentication server via a first wireless network. The access point receives, from a first user device that associates with the access point, a first request for access to a second wireless network provided by the access point that is coupled to a wide area network through the first wireless network. The first request includes first authentication information. The access point provides the first request that includes the first authentication information to the authentication server via the first wireless network and receives a first authentication response from the authentication server via the first wireless network. In response to the first authentication response indicating that the first user device is authenticated, the access point provides the first user device access to the second wireless network.
US10924926B1 Communications token pre-fetch
Techniques for using sending communication data using a first communication system and a second communication system are described. When a request is received to send communication data, it is determined that sending the communication data includes the second communication system. A request for updated identification information, such as a security token, is therefore sent to the second communication system prior to, for example, determining further account information related to the initiator of the communication and/or an identity of a recipient of the communication. While the request is pending, additional requests for the identification information are delayed. When the new identification information is received, the communication data is sent.
US10924919B2 Transparent per-bearer switching between WWAN and WLAN
A wireless communication device (12) served by a wireless wide area network (WWAN) base station supports per-bearer switching of bearer traffic between the WWAN and a wireless local area network (WLAN) in a manner transparent to the WLAN. The device in this regard establishes a secure tunnel (24) through the WLAN to a security gateway (22), based on the device receiving a message from the WWAN base station (18) to establish the secure tunnel (24). The device switches bearer traffic between the WWAN and the WLAN on a per bearer basis, with bearer traffic switched to the WLAN being transported through the secure tunnel (24) and over a connection (26) between the security gateway (22) and the WWAN base station (18).
US10924916B1 Core network allocation handling
A system, method, node and computer program for allocating a user equipment, UE, (30) roaming in a visited network (10), to a dedicated core network, DCN, (120) out of a plurality of DCN (120) available in the visited network (10), is provided. The method comprises receiving a trigger comprising a DCN-type indicator from a home network (20) of the roaming UE (30), and determining, responsive to the reception of the DCN-type indicator, whether an DCN-type indicated by the received DCN-type indicator is supported by the visited network (10). The method further comprises determining, if the DCN-type is not supported by the visited network (10), an alternative DCN-type supported by the visited network (10) and allocating, by the visited network (10), the roaming UE (30) to a DCN (120) of the alternative DCN-type.
US10924914B2 Terminal device, MME, communication control method for terminal device, and communication control method for MME
A transmission and/or reception unit is included and configured to transmit an ATTACH REQUEST message including identification information for requesting communication of a NAS message including user data to an MME in a core network, configured to receive an ATTACH ACCEPT message including identification information indicating acceptance of the communication of the NAS message from the MME, and configured to transmit the NAS message to the MME after receiving the ATTACH ACCEPT message. This provides establishment of a PDN connection for performing machine type communication in which a small data packet is transmitted at a low frequency, and a communication control method.
US10924905B2 Near field connection for secure tractor trailer communication, and associated systems and methods
Near field connection for secure tractor trailer communication, and associated systems and methods are disclosed herein. In one embodiment, a system for wireless communication between a tractor and a trailer includes a first transceiver (TRX) attached to the tractor, and a second TRX attached to the trailer. An engagement between the tractor and the trailer brings the first TRX within an operational distance to the second TRX.
US10924900B2 Charging method and apparatus, and system
A charging method, including sending, by a control plane gateway, a first charging trigger event to a user plane gateway, where the first charging trigger event triggering the user plane gateway to generate service usage information, generating, by the user plane gateway, the service usage information when the user plane gateway detects that the first charging trigger event occurs, sending, by the user plane gateway, the service usage information to the control plane gateway, generating, by the control plane gateway, a charging request according to the service usage information, and sending, by the control plane gateway, the charging request to a charging system. Offline charging during packet data network gateway (PGW) control and user (CU) separation is implemented.
US10924898B2 Systems and methods for spatial content creation/management and music sharing on a social platform
A social network that enables mobile device users to store content associated with a geolocation. Users can interface using content associated with a geolocation. Users may listen to the same song and/or playlist together in real-time by selecting a user on a map that may be associated with geolocation information that may be available for the user. Users may create spatial events in which they can invite users based on one or more parameters, such as group or geographic locations. Users can then create a spatial buffer based on factors including time stamp and distance. Once a time stamp becomes current, invited users who enter within the proximity of the defined geofence may share content.
US10924896B2 Methods for updating handset data in a messaging service
A method may comprise receiving, from a first handset via the Internet, a subscription message for subscribing the first handset to a service for receiving packet-switched messages other than SMS messages, EMS messages and MMS messages. The method may further comprise storing information indicating that a first mobile phone number of the first handset corresponds to a subscriber of the service, in a subscriber data store. A first request may be received, from a second handset, the first request including at least information corresponding to the first mobile phone number of the first handset. The first mobile phone number of the first handset may be determined to correspond to a subscriber of the service. A first response may be transmitted to the second handset.
US10924895B2 Enhancing short message service addressing and routing
A method for sending a short message service (SMS) message is provided. The method comprises receiving, by a destination home network database entity from a sending network entity, a first message containing an indication of support for a plurality of SMS message delivery protocols, wherein the SMS message is transmitted to a target entity address contained in the first message.
US10924893B2 Group message delivery using multicast
A device may obtain, for an account associated with a user equipment (UE) that is connected to a network, subscriber profile data that includes a group identifier for a messaging group for UEs that are eligible to utilize a group messaging service. The device may update a data structure to associate the group identifier and a UE identifier for the UE, wherein the data structure also associates the group identifier and other UE identifiers for other UEs of the messaging group. The device may receive, based on being subscribed to the group messaging service, group message data for a group message. The device may select the UE and the one or more other UEs as target recipients of the group message and may provide, using multicast, the contents of the group message to the UE and the one or more other UEs.
US10924890B2 Device policy enforcement
Example implementations relate to device policy enforcement. In some examples, a computing device may comprise a processing resource and a memory resource storing machine readable instructions to determine when a location of a mobile device is within a geofence using global positioning system (GPS) coordinates received from the mobile device defining a location of the mobile device, determine when a distance of the computing device from the mobile device is within a threshold distance of the mobile device using proximity data received via a network relationship, and enforce a policy definition included in a computing device policy definition received from an external computing device based on the location of the mobile device and the distance of the computing device from the mobile device.
US10924883B2 System and method for using a mobile device as an input device for surveys at a live event
A method is provided for interacting with audience members in an event, each of the potential attendees having available thereto a unique identifier. The method comprises creating, for an attendee, a unique ID (UID) on a mobile wireless device (MWD) by the steps of inputting to the MWD one of the unique identifiers, combining the obtained unique identifier with a UID time stamp at the time of creation of the UID; receiving with a server on a first wireless channel communications from the MWD; registering the UID at the physical location of the event; generating a visual query; displaying on the MWD response indicators; receiving at the server from the registered attendee a response, to the query over the first wireless channel; and storing in a database on the server the received response in association with the displayed query.
US10924881B2 Device for determining construction device and worker position
A construction site status monitoring device is provided including processing circuitry configured to receive construction device location data associated with a construction device, receive worker location data associated with a worker, and determine a safety condition based on the construction device location data and the worker location data.
US10924878B2 Augmented hearing system
Some implementations may involve receiving, via an interface system, personnel location data indicating a location of at least one person and receiving, from an orientation system, headset orientation data corresponding with the orientation of a headset. First environmental element location data, indicating a location of at least a first environmental element, may be determined. Based at least in part on the headset orientation data, the personnel location data and the first environmental element location data, headset coordinate locations of at least one person and at least the first environmental element in a headset coordinate system corresponding with the orientation of the headset may be determined. An apparatus may be caused to provide spatialization indications of the headset coordinate locations. Providing the spatialization indications may involve controlling a speaker system to provide environmental element sonification corresponding with at least the first environmental element location data.
US10924876B2 Interpolating audio streams
In general, various aspects of the techniques are described for interpolating audio streams. A device comprising a memory and a processor may be configured to perform the techniques. The memory may store the one or more audio streams. The processor may obtain one or more microphone locations, each of the one or more microphone locations identifying a location of a respective one or more microphones that captured each of the corresponding one or more audio streams. The processor may also obtain a listener location identifying a location of a listener, and perform interpolation, based on the one or more microphone locations and the listener location, with respect to the audio streams to obtain an interpolated audio stream. The processor may next obtain, based on the interpolated audio stream, one or more speaker feeds, and output the one or more speaker feeds.
US10924874B2 Systems and method for monitoring cinema loudspeakers and compensating for quality problems
Systems and processes for compensating for changes in a theatre sound system positioned in a theatre are described. A subsequent response of a loudspeaker to a test signal is captured and compared to a previously obtained signature response of the loudspeaker to the test signal. An audio signal can be processed based on the comparison to compensate for changes to loudspeaker performance, or otherwise.
US10924873B2 Lighting device with auxiliary microphones
A method of configuring lighting fixture microphones includes receiving, by a processor circuit, an electrical audio signal from a first microphone. The method further includes determining, by the processor circuit, whether the first microphone is defective based on the electrical audio signal. The method also includes enabling, by the processor circuit, a second microphone in response to determining that the first microphone is defective.
US10924867B2 Microphone package
A microphone includes a housing including a substrate and a cover disposed over the substrate, the housing including a sound port between the interior of the housing and the exterior of the housing. The microphone also includes a microelectromechanical systems (MEMS) transducer and an integrated circuit (IC) positioned within the housing and mounted on a common surface of the housing, where the MEMS transducer is electrically connected to the IC, and the IC is electrically connected to a conductor on the substrate. The microphone further includes an encapsulating material covering the IC, and an encapsulating material confinement structure disposed between the MEMS transducer and the IC, where the encapsulating material confinement structure at least partially confines the encapsulating material around the IC.
US10924864B2 Speaker assembly
The present disclosure discloses a speaker assembly including a frame with an accommodation space, a magnetic circuit system and a vibration system accommodated in the frame. The vibration system includes a first vibration system and a second vibration system which are arranged with an interval. The first vibration system includes a first diaphragm and a first voice coil driving the first diaphragm, the second vibration system includes a second diaphragm and a second voice coil driving the second diaphragm to vibrate. The first diaphragm and the second diaphragm have the same vibration direction. The present disclosure has two vibration systems which break through the restriction of the height of the voice coils in the traditional structure and therefore further improve the product performance.
US10924859B2 Sound shaping apparatus
In accordance with some embodiments, an apparatus for privacy protection is provided. The apparatus includes an audio output device arranged to output sound directed to an audio input device of a second device. The apparatus further includes an audio coupling interface arranged to provide a cavity for the audio output device and the audio input device of the second device. The apparatus also includes a spectral shaper, coupled to the audio output device, operable to apply a spectral envelope to an audio signal in order to produce a shaped audio signal, wherein the shaped audio signal is selectively coupled to the audio output device.
US10924855B2 Microphone for ambisonics, A/B format conversion software, recorder, and playback software
A microphone to generate A format signals used for ambisonics includes: a body of the microphone, first through fourth microphone elements provided facing sound pickup directions different from each other in the body and configured to output respective first signals to be components of the A format signals; and a six-axis sensor configured to detect displacement of the body and output information on a position of the body.
US10924850B2 Apparatus and method for audio processing based on directional ranges
An apparatus configured to: determine a viewing angle associated with at least one apparatus camera; determine from at least two audio signals at least one audio source orientation relative to an apparatus; and generate at least one spatial filter including at least a first orientation range associated with the viewing angle and a second orientation range relative to the apparatus.
US10924849B2 Sound source separation device and method
Provided is a sound source separation device that includes a combining unit that combines a first sound source separation signal of a predetermined sound source, the first sound source separation signal being separated from a mixed sound signal by a first sound source separation system, with a second sound source separation signal of the sound source, the second sound source separation signal being separated from the mixed sound signal by a second sound source separation system that differs in separation performance from the first sound source separation system in predetermined units of time, and that outputs a sound source separation signal obtained by the combination.
US10924843B2 Headband assembly
A headband assembly that is constructed and arranged to be worn on or over a head of a user, having a curved compliant spring member, a cushion member that is configured to be in contact with or proximate the head of the user when the headband assembly is worn by the user, a spine that is coupled to both the cushion member and the spring member, and a cap that at least partially overlies the spring member and the spine.
US10924842B2 Audio device
An audio device with a body having a length and configured to be worn on or abutting an outer ear of a user, an arm coupled to the body and defining a distal end that is configured to contact an ear root dimple of the user, wherein the arm is configured to be moved relative to the body, and an acoustic module carried by the body and configured to locate a sound-emitting opening anteriorly of and proximate to the user's ear canal opening when the body is worn on or abutting the ear of the user.
US10924840B2 Earphones with removable connection cable
An earphone and connection cable can be connected to the housing of the earphone with a robust and reliable plug connection. The plug connection includes a coaxial plug having rotationally symmetrical plug contacts and is surrounded with a plastic encapsulation. When the plug connection is inserted the plastic encapsulation forms a first bearing location for receiving mechanical forces acting laterally on the plug while at least one of the plug contacts of the coaxial plug forms a second bearing location for receiving such forces. The distance from the first to the second bearing location in that case is greater than the diameter of the plug contacts of the coaxial plug.
US10924837B2 Acoustic device
A acoustic device includes a pinna replica, wherein an inner surface of the pinna replica faces the exterior so that exterior sounds are received by the pinna replica and a microphone unit for collecting said exterior sounds, said microphone unit being configured to emit a first electric signal comprising information on the collected exterior sounds.
US10924831B2 Speaker device
A speaker device includes a first column speaker, a second column speaker and a speaker holder. The first column speaker has a first elongated housing and a plurality of first speaker units arranged in a row inside the first elongated housing. The second column speaker has a second elongated housing and a plurality of second speaker units arranged in a row inside the second elongated housing. The first and second speaker units have same frequency characteristics. The speaker holder connects the first and second column speakers together in parallel.
US10924830B2 Receiver module
The present disclosure provides a receiver module including a receiver and a microphone. The receiver includes a holder, a vibration unit, a magnetic circuit unit, a front cover, a cover plate, and a mounting block. The vibration unit includes a diaphragm spaced apart from the cover plate to form a front cavity. The front cover includes a front cover body portion, a front cover extension portion, and a first through-hole. The mounting block is fixed on a side of the front cover extension portion facing away from the cover plate and has a second through-hole communicating with the first through-hole. The microphone is fixed on the mounting block, and the front cavity, the first through-hole, the second through-hole and a sound inlet hole of the microphone communicates with each other. The microphone shares the front cavity with the receiver to absorb noise, thereby providing better sound effect.
US10924828B2 Speaker box
The present disclosure provides a speaker box which comprises a shell, a support wall, a sound guiding channel, a surrounding wall and a cover plate. The speaker is fixed to support the support wall. The diaphragm of the speaker partitions the receiving space into a front sound cavity and a rear cavity, the sound guiding channel communicates the front sound cavity with the outside and forms a front cavity together with the front sound cavity, the shell, the surrounding wall, the support wall and the cover plate are jointly enclosed as an auxiliary acoustic cavity. The support wall is provided with at least two through-holes intervals, and the auxiliary acoustic cavity is communicated with the front cavity through the through-hole to form a resonant cavity structure of the front cavity. Compared with the related art, the high frequency acoustic performance of the speaker box of the present disclosure is excellent.
US10924826B2 Mobile audio transportation system and method
A mobile audio transportation (MAT) system/method allowing transportation of mobile audio modules (MAMs) is disclosed. The system/method incorporates a perforated acoustic tube (PAT) in the MAM allowing speaker energy to be efficiently emitted from the mobile speaker enclosure (MSE). The PAT is configured with an enclosure alignment pathway (EAP) within the MAM allowing a stack alignment rod (SAR) to penetrate through the PAT/EAP thus capturing and securing the MAM in an aligned MAM stack (AMS). Alignment and insertion of the SAR with a stack index rod (SIR) affixed to a mobile hand truck (MHT) allows the AMS to be coupled with the MHT for transportation of the AMS. The MHT incorporates a hand truck frame (HTF), hand truck wheels (HTW), hand truck platform (HTP) and SIR, hand truck handle (HTH), charger power strip (CPS), battery charger array (BCA), and optional hand truck coupler (HTC) to facilitate AMS transportation.
US10924825B2 Apparatus and methods for enhancing quality of experience for over-the-top data services over high-capacity wireless networks
Apparatus and methods for guaranteeing a quality of experience (QoE) associated with data provision services in an enhanced data delivery network. In one embodiment, a network architecture having service delivery over at least portions of extant infrastructure (e.g., a hybrid fiber coax infrastructure) is disclosed, which includes standards-compliant ultra-low latency and high data rate services (e.g., 5G NR services) via a common service provider. In one exemplary implementation, “over-the-top” voice data services may enable exchange of voice traffic with client devices in the aforementioned network. A distribution node may use a detection rule to identify received packets as voice traffic, and cause a dedicated bearer to attach to the default bearer, thereby enabling delivery of high-quality voice traffic by at least prioritizing the identified packets thereafter and sustaining the delivery even in a congested network environment, and improving the quality of service (QoS) and QoE for the user(s).
US10924820B2 Method and apparatus of bitstream random access and synchronization for multimedia applications
A method and device for switching Representations are disclosed. On the server side, leading-picture information associated with leading pictures in an open GOP (group of picture) is signalled in a media presentation description. Each leading picture corresponds to one picture preceding a RAP (Random Access Picture) picture in a segment in an output order and being coded depending on the RAP picture. At the client side, an original Representation and a target representation are received and the leading-picture information for the target Representation is determined from the media presentation description received. A switched presentation is presented, where the switched presentation switches from the original Representation to the target Representation by switching presentation from pictures in the original Representation to pictures in the target Representation at a stream access point (SAP) corresponding to the RAP picture in one segment of the target representation determined according to the leading picture information.
US10924819B2 Systems and methods for discovery of, identification of, and ongoing monitoring of viral media assets
Systems and methods are provided herein for automatically generating universal metadata for non-linear content when the non-linear content is determined to be viral. To this end, the systems and methods determine a first rate at which first users are consuming non-linear content from a first source. In response to determining that the first rate exceeds the threshold, the systems and methods determine a second source that from which second users are consuming the non-linear content, and a second rate at which the second users are consuming the non-linear content from the second source. In response to determining that the second rate exceeds the threshold, the systems and methods generate universal metadata for the non-linear content by automatically populating metadata fields of by scraping metadata fitting predefined criteria corresponding to the metadata fields from the first source and from the second source, and store the populated metadata fields to a database.
US10924816B2 Method and apparatus for selection of content from a stream of data
A main stream contains successive content elements of video and/or audio information that encode video and/or audio information at a first data rate. A computation circuit (144) computes main fingerprints from the successive content elements. A reference stream is received having a second data rate lower than the first data rate. The reference stream defines a sequence of the reference fingerprints. A comparator unit (144) compares the main fingerprints with the reference fingerprints. The main stream is monitored for the presence of inserted content elements between original content elements, where the original content elements have main fingerprints that match successive reference fingerprints and the inserted content elements have main fingerprints that do not match reference fingerprints. Rendering of inserted content elements to be skipped. In an embodiment when more than one content element matches only one is rendered. In another embodiment matching is used to control zapping to or from the main stream. In another embodiment matching is used to control linking of separately received mark-up information such as subtitles to points in the main stream.
US10924814B2 Systems and methods for customizing delivery of advertisements
When a viewer is determined to be interested in an advertisement, a media guidance application may identify a second related advertisement to display to the viewer. The second advertisement may be displayed following the first interesting advertisement. To avoid timing issues, media content following the advertisements may be buffered so that the viewer can catch up on the media content without missing anything.
US10924812B2 Constant quality video encoding with encoding parameter fine-tuning
Constant quality video encoding with encoding parameter fine-tuning may be provided. First, an aggregation window comprising a plurality of video frames from a transport stream may be determined. Next, a plurality of video quality values may be determined where the plurality of video quality values indicate a video quality for corresponding respective ones of the plurality of video frames in the aggregation window. Then a determined conformance rate value for the aggregation window may be determined. The determined conformance rate value may indicate a number of the plurality of video quality values that have one of the following characteristics: equal to the target video quality value and greater than the target video quality value. The determined conformance rate value may then be used to adjust at least one of the encoding parameters used in the constant quality encoding of the source.
US10924807B2 Display device and control method therefor
Provided are a display device and a controlling method thereof. The control method for the present display device may comprise: displaying the broadcast content of a first channel; when a predetermined key of a user operation unit is selected while the broadcast content is displayed, determining at least one application related to the broadcast content; displaying a UI for selecting the at least one determined application; and when one of the at least one application included in the UI is selected, executing the selected application.
US10924803B2 Identifying viewing characteristics of an audience of a content channel
Systems and methods are disclosed for identifying viewing characteristics of an audience of a content channel. In one implementation, a processing device receives an identification of a channel of interest, the channel of interest having associated videos, receives data for a plurality of watch sessions where multiple videos are watched during the watch sessions, identifies at least two watch sessions of the plurality of watch sessions, each identified watch session having a watched video that is associated with the channel of interest, and identifies a most watched channel in the at least two identified watch sessions, the most watched channel being a channel that is most watched by viewers of the channel of interest but that is not the same as the channel of interest.
US10924802B2 Methods, apparatus, and systems to collect audience measurement data
Methods, apparatus, and systems to collect audience measurement data are disclosed. Disclosed example systems include a first processor to collect (i) first media identification data corresponding to a first time period and (ii) second media identification data corresponding to a second time period after the first time period, the first media identification data and the second media identification data associated with a monitored location. Disclosed example systems also include a second processor to (i) develop behavior data based on the first media identification data and people meter data collected during the first time period with a people meter associated with the monitored location and (ii) identify an audience member associated with the second media identification data based on the behavior data and without access to any people meter data corresponding to the second time period.
US10924799B2 Instrument and method for performing a sweep for noise in a cable network system
A cable network test instrument for isolating a source of noise in a cable network system is disclosed.
US10924797B2 Presentation of an avatar in a media communication system
A system that incorporates teachings of the present disclosure may include, for example, a system that generates an avatar having a first behavior determined by a user profile of a user. An avatar profile is received from a content source for modifying the avatar according to a second behavior. The avatar is modified to generate an adaptive avatar based on the avatar profile. The adaptive avatar has, at least in part, the second behavior determined by the avatar profile, while retaining, at least in part, the first behavior determined by the user profile of the user. Other embodiments are disclosed.
US10924791B2 Methods and apparatus to estimate demographics of a household
Methods and apparatus to estimate demographics of a household are disclosed. An example method to determine demographics for non-panelist households includes calculating a first demographic constraint average and a second demographic constraint average based on a first demographic distribution of a first tuning event of a household and a second demographic distribution of a second tuning event of the household. The household is a non-panelist household. The example method also includes, based on the first demographic constraint average, determining a first likelihood of the household being associated with a first demographic constraint. The example method also includes, based on the second demographic constraint average, determining a second likelihood of the household being associated with a second demographic constraint. The example method also includes estimating a household characteristic of the household based on the first likelihood and the second likelihood.
US10924788B2 Methods and apparatus for crediting a media presentation device
Methods and apparatus for crediting a media presentation device are disclosed. Example apparatus disclosed include means for computing a signature from audio obtained from a media device, means for determining an on/off state of the media device based on a gain level, means for crediting the media device with presenting media when (1) the signature matches at least one of a set of reference signatures and the on/off state determined for the media device is an on state, and (2) when the signature matches at least one of the set of reference signatures and the on/off state determined for the media device is an off state, the means for crediting to not credit the media device with presenting the media when (3) the signature does not match at least one of the set of reference signatures and the on/off state determined for the media device is the off state.
US10924783B2 Video coding method, system and server
Disclosed is a video coding method performed at a video coding system, in which original collected video data is received from a coding requesting terminal; each video frame image of the original collected video data is divided into multiple subarea images; the subarea images divided from each video frame image are transmitted to coding servers of which a coder is performed from a multithreaded framework into a multi-process framework, to code a respective subset of the subarea images in a second coding scheme and output a coded video stream corresponding to the respective subset of the subarea images; and the coded video streams are then merged into a target video stream in the second coding scheme and sent to a user terminal. The user terminal decodes the target video stream from the second coding scheme into a second sequence of video frame images to be played at the user terminal.
US10924782B2 Method of providing streaming service based on image segmentation and electronic device supporting the same
The present disclosure provides a system for providing an image-segmentation based streaming service. The system includes a communication circuit configured to establish a communication channel with a streaming server, a storage configured to store data provided by the streaming server, a display configured to output an image, a processor functionally connected to the communication circuit, the storage, and the display. The processor can detect a region-of-interest (ROI) of an output image associated with a media presentation description (MPD) provided by the streaming server and transmit the ROI information to the streaming server. The processor can also receive image segments of a first resolution corresponding to the ROI information and a full image of a second resolution from the streaming server. The processor can also synthesize the image segments of the first resolution and the full image of the second resolution to output a synthesized reconstruction image through the display.
US10924778B1 Content management in over-the-top services
Aspects of the subject disclosure may include, for example, determining an ad play list for an Over-The-Top video stream requested by an end user device based on a price and/or a category of a creative derived from auctions with multiple Supply-Side Platform servers. The ad play list can be determined for the ad pod according to business rules, which can include a yield policy based on increasing revenue for a publisher of the video stream, and/or which can include a competitive separation policy enforced based on the category for bid responses. Other embodiments are disclosed.
US10924774B2 Live interactive system, method, device and computer readable storage medium
Embodiments of this application disclose a live streaming interaction system including: a server, an anchor terminal and at least one viewer terminal that have a first communication connection to the server, and intelligent hardware having a second communication connection to the anchor terminal. The server receives a first control request from the viewer terminal, generate a corresponding second control request, and sends the second control request to the anchor terminal. The anchor terminal forwards the second control request to the intelligent hardware. The intelligent hardware then performs a corresponding operation according to the second control request and returns live streaming data to the viewer terminal through the server. As such, the intelligent hardware can support a live streaming process between a user at the anchor terminal and a user at the viewer terminal that can remotely control the intelligent hardware by using the viewer terminal.
US10924772B2 Method and device for live video broadcast
A method and device for live video broadcast is disclosed. The method includes: acquiring first live broadcast configuration information corresponding to a first process, and live broadcasting video streaming corresponding to the first process according to the first live broadcast configuration information; when it is detected that a running state of a second process is an activated state, acquiring second live broadcast configuration information corresponding to the second process, and detecting a relationship between the first process and the second process according to the first live broadcast configuration information and the second live broadcast configuration information; and when it is detected that the relationship between the first process and the second process is an association relationship, switching the live broadcasted video streaming corresponding to the first process for video streaming corresponding to the second process according to the second live broadcast configuration information.
US10924771B2 Method for managing media streams
A method for providing media content in a public transportation vehicle comprising a mobile router, the method comprising: receiving, in the mobile router, one or more media streams from a media source; monitoring first connection parameters relating to a first connection between the mobile router and the media source and second connection parameters relating to a second connection between the mobile router and one or more client devices; determining, on the basis of said first and second connection parameters, optimized stream configuration for each of said one or more media streams; and providing each of said one or more media streams only according to the optimized stream configuration to said one or more client devices.
US10924763B2 Method and apparatus for intra prediction
Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
US10924762B2 Image decoding method and apparatus relying on intra prediction in image coding system
An image decoding method performed by a decoding apparatus according to the present invention comprises: a step of deriving an intra prediction mode for a current block; a step of deriving upper neighboring samples of a plurality of rows for the current block, and left neighboring samples of a plurality of columns; a step of deriving one row of upper reference samples on the basis of the upper neighboring samples; a step of deriving one column of left reference samples on the basis of the left neighboring samples; and a step of generating a prediction sample for the current block by using at least one of the upper reference samples and the left reference samples in accordance with the intra prediction mode.
US10924761B2 Encoding a privacy masked image into an encoded image frame
A technique for encoding a privacy masked image comprising a plurality of pixels into an encoded image frame of a video stream is disclosed, The technique includes receiving image data of the image, wherein the image data represents the pixel of the image, grouping the pixels of the image into encoding units, wherein each encoding unit comprises a plurality of neighboring pixels; receiving data defining a privacy mask masking part of the image in the interest of personal integrity, and graphical characteristics of the privacy mask including any one or a combination of constant coloring, smearing, and pixelization, identifying all encoding units having one or more pixels located within the privacy mask, extending the privacy mask to be aligned with the identified encoding units to form a redefined privacy mask covering the identified encoding units, generating a privacy masked image by applying the redefined privacy mask and the received graphical characteristics to the image, and encoding the privacy masked image into the encoded image frame of the video stream.
US10924758B2 Method and apparatus for determining a motion vector
A method for determining a motion vector includes: determining at least one inter-layer reference block by referring to an inter-layer corresponding block of a current processing block; determining the motion vector(s) of the current processing block according to the motion vector(s) of the determined at least one inter-layer reference block as well as the motion vectors of the other adjacent blocks of the current processing block.
US10924755B2 Real time end-to-end learning system for a high frame rate video compressive sensing network
A real time end-to-end learning system for a high frame rate video compressive sensing network is described. The slow reconstruction speed of conventional compressive sensing approaches is overcome by directly modeling an inverse mapping from compressed domain to original domain in a single forward propagation. Through processing massive unlabeled video data such a mapping is learned by a neural network using data-driven methods. Systems and methods according to this disclosure incorporate a multi-rate convolutional neural network (CNN) and a synthesizing recurrent neural network (RNN) to achieve real time compression and reconstruction of video data.
US10924754B2 Sample array coding for low-delay based on position information
The entropy coding of a current part of a predetermined entropy slice is based on, not only, the respective probability estimations of the predetermined entropy slice as adapted using the previously coded part of the predetermined entropy slice, but also probability estimations as used in the entropy coding of a spatially neighboring, in entropy slice order preceding entropy slice at a neighboring part thereof. Thereby, the probability estimations used in entropy coding are adapted to the actual symbol statistics more closely, thereby lowering the coding efficiency decrease normally caused by lower-delay concepts. Temporal interrelationships are exploited additionally or alternatively.
US10924752B2 Method and apparatus for predicting inter-layer based on temporal sub-layer information
The present invention relates to a method for predicting an inter-layer of an image having a plurality of layers including at least one temporal sub-layer. The method according to present invention comprises the steps of: acquiring information on a temporal sub-layer for inter-layer prediction; inducing a reference picture used for predicting an inter-layer of a current picture on the basis of the information on the temporal sub-layer; and predicting the inter-layer of the current picture on the basis of the reference picture.
US10924750B2 Palette size constraint in palette mode for video compression system
Systems and methods are provided for improving efficiency of an encoder performance in the HEVC palette mode by limiting the number of colors to be used in the current palette to be no more than the size of coding unit or the prediction unit, and by avoiding duplicate colors in the current palette. The encoder may signal a binary vector indicating previous elements from a palette predictor list to be reused in a current palette, determine a number of the previous elements based on the binary vector, determine a sample size of the current palette, determine a maximum number of new elements to be used in the current palette based on the number of the previous elements and the sample size, determine a set of new elements corresponding to the maximum number of new elements, and signal the set of new elements.
US10924745B2 Image processing method and device
An image processing method includes a transmitting terminal receiving a feedback message sent by a receiving terminal. The feedback message indicates a reception state of a received image frame sent by the transmitting terminal and received by the receiving terminal before the receiving terminal sends the feedback message. The method further includes acquiring a target image frame, encoding the target image frame according to a preset error correction mechanism to generate encoding data of the target image frame in response to the feedback message indicating a reception error, and sending the encoding data of the target image frame to the receiving terminal.
US10924742B2 Method and device for encoding/decoding image
A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.
US10924741B2 Method of determining quantization parameters
A method of determining quantization parameters includes the steps of: receiving a block of image data; calculating a general variance of the block of image data; calculating a plane-based variance of the block of image data by subtracting an image moment of the block of image data from the general variance; and determining a quantization parameter for the block of image data according to the plane-based variance.
US10924739B2 Efficient quantization parameter prediction method for low latency video coding
Systems, apparatuses, and methods for calculating a quantization parameter (QP) for encoding video frames to meet a given bit budget are disclosed. Control logic coupled to an encoder calculates a complexity indicator that represents a level of difficulty in encoding a previous video frame. The complexity indicator is based at least in part on a first parameter associated with the previous video frame and corresponds to one or more of a variance, an intra-prediction factor, and an inter-to-intra ratio. The complexity indicator is then used by the control logic to calculate a preferred QP to use to encode the current video frame to meet a given bit budget. By using the preferred QP generated based on the complexity indicator, the encoder is able to make fewer QP adjustments during the frame. This helps to improve the visual quality of the resulting encoded video bitstream.
US10924738B2 Selecting encoding options
When encoding an array of data elements using an encoding process that generates an array of quantized frequency domain coefficients corresponding to an array of difference values between a source block of data elements of the array of data elements being encoded and a reference block of data elements, a bit count value for encoding an array of quantized frequency domain coefficients to be used to select whether to encode the source block in accordance with a particular set of encoding options is estimated by estimating a bit count value for encoding the locations of the non-zero quantized frequency domain coefficients in the array of quantized frequency domain coefficients based on the number of non-zero frequency domain coefficients in the array of quantized frequency domain coefficients.
US10924733B2 Device and method for coding video data based on mode list including different mode groups
A method of decoding a bitstream by an electronic device is provided. A block unit is determined from an image frame according to the bitstream. A plurality of candidate modes included in a mode list are separated in a first mode group and a second mode group. The electronics device determines whether a specific one of the candidate modes in the first mode group is replaced by one of the candidate modes in the second mode group. When the specific candidate mode in the first mode group is replaced, a prediction mode is determined from the candidate modes in the second mode group. When the specific candidate mode in the first mode group remains unchanged, the specific candidate mode in the first mode group is determined as the prediction mode. Then, the block unit of the image frame is reconstructed based on the prediction mode.
US10924731B2 Complexity constraints on merge candidates list construction
A method of performing merge candidate list construction for video coding using at least one processor includes determining a plurality of potential merge candidates; selecting a first potential merge candidate from among the plurality of potential merge candidates; performing a redundancy check by checking the potential merge candidate against a merge candidate included in the merge candidate list; based on a result of the redundancy check, determining whether to insert the potential merge candidate into the merge candidate list; determining whether a redundancy check threshold is exceeded, wherein the redundancy check threshold relates to at least one from among a number of redundancy checks which have been performed, and a number of potential merge candidates which have been checked by the redundancy checks; and based on the redundancy check threshold being exceeded, determining not to perform additional redundancy checks during the merge candidate list construction.
US10924730B2 Image decoding method and device in image coding system
According to the present invention, an image decoding method performed by a decoding device comprises the steps of: generating a first prediction block and a second prediction block of a current block; selecting a prediction block, to which a Wiener filter is to be applied, among the first prediction block and the second prediction block; deriving Wiener filter coefficients of the selected prediction block based on the first prediction block and the second prediction block; filtering the selected prediction block based on the derived Wiener filter coefficients; and generating a reconstructed block of the current block based on the filtered prediction block. According to the present invention, the overall coding efficiency can be improved by minimizing the difference between prediction blocks.
US10924723B2 Imaging apparatus and image sensor array
An imaging apparatus including an imaging lens, and an image sensor array of first and second image sensor units, wherein a single first image sensor unit includes a single first microlens and a plurality of image sensors, a single second image sensor unit includes a single second microlens and a single image sensor, light passing through the imaging lens and reaching each first image sensor unit passes through the first microlens and forms an image on the image sensors constituting the first image sensor unit, light passing through the imaging lens and reaching each second image sensor unit passes through the second microlens and forms an image on the image sensor constituting the second image sensor unit, an inter-unit light shielding layer is formed between the image sensor units, and a light shielding layer is not formed between the image sensor units constituting the first image sensor unit.
US10924722B2 Transferring of three-dimensional image data
A three-dimensional source device provides a three-dimensional display signal for a display via a high speed digital interface, such as HDMI. The three-dimensional display signal comprises a sequence of frames. The sequence of frames comprises units, each unit corresponding to frames comprising video information intended to be composited and displayed as a three-dimensional image. The three-dimensional source device includes three-dimensional transfer information comprising at least information about the video frames in the unit. The display detects the three-dimensional transfer information, and generates the display control signals based in dependence on the three-dimensional transfer information. The three-dimensional transfer information in an additional info frame packet comprises information about the multiplexing scheme for multiplexing frames into the three-dimensional display signal, the multiplexing scheme being selected of group of multiplexing schemes including frame alternating multiplexing, the three-dimensional transfer information indicating the number of frames being sequentially arranged within the video data period.
US10924719B2 Head mounted type video presenting device including visible light wavelength converting unit
Provided is a head-mounted video presentation device which has a visible light wavelength conversion and is designed for a user having degraded sensitivity to a first wavelength band as a part of a visible light wavelength band as compared with a second wavelength band as the remaining part of the visible light wavelength band. A head-mounted video presentation device for a user having degraded sensitivity to a first wavelength band as a part of a visible light wavelength band as compared with a second wavelength band as the remaining part of the visible light wavelength band includes: an imaging unit for taking a video in a viewing direction of the user to acquire first video information; a wavelength conversion unit for converting at least a part of a color signal for at least the first wavelength band in the first video information into a color signal expressing colors in the second wavelength band, and outputting second video information based on the converted color signal; and a video presentation unit for presenting, based on the second video information, a wavelength-converted video in the viewing direction of the user, to the user.
US10924716B2 Image projection device
An image projection device includes: an optical component reflecting an image light beam that has been converted into a substantially parallel light by a lens and scanned by a scanner; a projection mirror irradiating a retina with the reflected image light beam; a light beam blocking unit located on a light path between the scanner and the lens and having an aperture, wherein the projection mirror has a first region and a second region having a larger light condensing power than the first region, and a light condensing power in a third region, reflecting a light beam to be emitted to the first region of the scanned image light beam, of the optical component is greater than that in a fourth region, reflecting a light beam to be emitted to the second region of the scanned image light beam, of the optical component.
US10924712B2 Trauma scene monitoring system
A trauma scene monitoring system includes a medic-worn illumination device, a casualty-worn informatics system, and a remote monitoring station. The illumination device includes a frame with boom-mounted light sources positioned below the wearer's eyes near the zygomatic bones, thus orienting the light sources to project light in the direction of the wearer's view. Also included are audio/video means to capture audio/video information from a scene attended by the medic, and a telemetry unit to transmit that information to the remote monitoring station. The casualty-worn informatics system is integrated within a headband worn by a monitored individual. The informatics system includes sensors to provide the monitored individual's vital statistics and a telemetry unit to transmit data concerning the monitored individual to the remote monitoring station. At the remote monitoring station, receiving and presentation stations provide views of the data concerning the monitored individual and audio/video data from the medic-worn illumination device.
US10924709B1 Dynamically controlled view states for improved engagement during communication sessions
The techniques disclosed herein improve user engagement and more efficient use of computing resources by providing dynamically controlled view states for communication sessions based on a number of people depicted in shared video streams. In some configurations, a system can control the size and position of a video rendering based on the number of individuals depicted in a video stream. In some configurations, a stream depicting a threshold number of people can be rendered in the primary display area and other streams can be rendered in a secondary section. The primary area can be sized to scale a video depicting multiple people video to equalize the size of the people with renderings of single-person video streams. This helps a system provide a more granular level of control to equalize the representation of each person displayed within different video streams.
US10924703B2 Sensors and systems for the capture of scenes and events in space and time
Various embodiments comprise apparatuses and methods including a light sensor. In one embodiment, an integrated circuit includes an image sensing array region, a first photosensor having a light-sensitive region outside of the image sensing array region, and control circuitry. The control circuitry is arranged in a first mode to read out image data from the image sensing array region, where the data provide information indicative of an image incident on the image sensing array region of the integrated circuit. The control circuitry is arranged in a second mode to read out a signal from the first photosensor indicative of intensity of light incident on the light-sensitive region of the first photosensor. Electrical power consumed by the integrated circuit during the second mode is at least ten times lower than electrical power consumed by the integrated circuit during the first mode. Additional methods and apparatuses are described.
US10924699B2 Backside illumination image sensor, manufacturing method thereof and image-capturing device
An image sensor includes a first photoelectric conversion unit that converts light incident through a first opening to an electric charge, a second photoelectric conversion unit that converts light incident through a second opening which is smaller than the first opening to an electric charge, and a signal output wiring that outputs a first signal generated by the electric charge converted by the first photoelectric conversion unit and a second signal generated by the electric charge converted by the second photoelectric conversion unit. The second photoelectric conversion unit is disposed between the second opening and the signal output wiring.
US10924696B2 Hyperspectral imager for snapshot and line-scan modes
An image sensor for acquiring an image of an object comprises: an array of photo-sensitive areas (112); and a mosaic filter (114) associated with the array dividing the array into sub-groups (118) of photo-sensitive areas (112) extending across at least two rows and two columns, wherein the mosaic filter (114) transmits unique light properties to the photo-sensitive areas (112) within the sub-group (118); wherein the mosaic filter (114) comprises a sequence of unique filter portions associated with a set of photo-sensitive areas (112) along a row, wherein the set extends through more than one sub-group (118); wherein sequences comprising the unique filter portions are associated with each row and wherein the sequences associated with adjacent rows comprise different orders of the unique filter portions, such that different light properties are transmitted to photo-sensitive areas (112) in the same column of adjacent rows.
US10924695B2 Processing received pixel values in an image processing system using pixel subset average values of grouped subsets
Image processing systems and methods are provided for processing a stream of data values (e.g. pixel values). The image processing system comprises a processing module configured to: receive a plurality of pixel values, each of the received pixel values having a first number of bits; and implement processing of a particular pixel value by operating on a particular subset of the received pixel values, by: classifying each of the pixel values within the particular subset into a group of a set of one or more groups; determining an average value in respect of the pixel values within the particular subset which are classified into one of the one or more groups, wherein the determined average value has a second number of bits, wherein said second number is greater than said first number; replacing the particular pixel value based on the determined average value; and outputting the processed particular pixel value.
US10924694B2 Radiographic imaging device, radiographic imaging system, control method of radiographic imaging device and program storage medium
A radiographic imaging device includes: a radiation detector including plural pixels, each including a sensor portion and a switching element; a detection unit that detects a radiation irradiation start if an electrical signal caused by charges generated in the sensor portion satisfies a specific irradiation detection condition, and/or if an electrical signal caused by charges generated in a radiation sensor portion that is different from the sensor portion satisfies a specific irradiation detection condition; and a control unit that determines whether or not noise caused by external disturbance has occurred after the detection unit has detected the radiation irradiation start, and if the noise has occurred, that stops a current operation of the radiation detector, and causes the detection unit to perform detection.
US10924693B2 Image sensor and image capturing apparatus
An image sensor, comprises: a pixel area that includes first and second pixel groups each constituted by a plurality of pixels; first and second output channels that output image signals obtained from the first and second pixel groups, respectively; and a driver that performs drive according to a first drive method in which the first pixel group is alternately exposed in a medium exposure period and a short exposure period in a first cycle so that a first and second image signals are read out, and in which the second pixel group is exposed in a long exposure period in a second cycle longer than the first cycle so that a third image signal is read out. The reading out of the third image signal and reading out of the first or the second image signal are performed in parallel.
US10924690B2 Electronically controlling optical transmission of a lens of a camera in variable lighting
Methods, systems, and apparatus, for controlling optical transmission of a lens of a camera. A method includes obtaining a first image from a camera, determining that the first image does not satisfy an image requirement, in response to determining that the first image does not satisfy an image requirement, increasing an optical transmission of a lens of the camera, and, obtaining a second image with the camera while the optical transmission of the lens of the camera is increased.
US10924687B2 Adaptive generation of a high dynamic range image of a scene, on the basis of a plurality of images obtained by non-destructive reading of an image sensor
High dynamic range (HDR) images are generated on the basis of a plurality of images obtained by non-destructive reading of an image sensor, called NDRO images. An HDR image generation method includes: the determination of a criterion of desired quality for the HDR image; at least two non-destructive readings of the sensor delivering at least two successive NDRO images; the selection, as a function of the criterion of desired quality, of the first and of the last NDRO image to be used to generate the HDR image; the generation of the HDR image on the basis of information extracted from a series of successive NDRO images starting with the first and terminating with the last NDRO image to be used; the storage of a single image at one and the same time throughout the entire HDR generation phase.
US10924683B2 Image processing method and imaging device
An image processing method for processing a first image captured by a camera is provided, in which the first image is retrieved; and an output image is output to an image output circuit after the first image is modified to the output image, wherein a result value of each pixel of the output image is zero or a value generated by subtracting the threshold value from the brightness value of each pixel of the first image.
US10924682B2 Self-adaptive color based haze removal for video
Techniques related to removing haze from video are discussed. Such techniques include color converting a video frame from an input color space to a haze color space using a haze color detected in a previous frame, estimating pixel-wise haze amounts, de-hazing the video frame in the haze color space using the pixel-wise haze amounts, and color converting the de-hazed frame to the input color space.
US10924681B2 Control apparatus, imaging apparatus, and storage medium
A control apparatus includes an angle control unit configured to change a tilt angle by tilting an imaging sensor, a first determination unit configured to determine a first area from among a plurality of areas in an image, an evaluation value acquisition unit configured to acquire a contrast evaluation value of each of second areas excluding the first area among the plurality of areas by changing the tilt angle through the angle control unit, and a second determination unit configured to determine the tilt angle for each area based on the contrast evaluation value acquired by the evaluation value acquisition unit, and determining the tilt angle of the image sensor based on the tilt angle determined for each area. The angle control unit tilts the image sensor so as to obtain the tilt angle determined by the second determination unit.
US10924679B2 Display device for vehicle and control method thereof
A display device for a vehicle, and including a camera configured to acquire an image around the vehicle; a display unit configured to display a graphic image on a windshield of the vehicle; and a processor configured to detect at least one object included in the acquired image viewed by a driver of the vehicle, determine information of the detected object comprising a position and size of an area of the windshield in which the object is viewed, and a type of the object, and control the display unit to display the graphic image on an area of the windshield based on the determined information of the object.
US10924672B2 Camera controller
An operation part calculates a shake amount of an imaging apparatus in accordance with a first operation system or a second operation system on the basis of an output signal of a sensor detecting an acceleration or angular velocity to determine a camera-shake correction amount correcting the shake amount. The operation part calculates the output signal of the sensor or a value obtained by integrating an integrated signal of the output signal of the sensor as a shake amount. The operation part includes an imperfect integrator. An operation system setting part sets an operation system of the operation part on the basis of the shake amount calculated by the operation part. In the second operation system, the operation system setting part increases a cut-off frequency of the imperfect integrator more than in the first operation system.
US10924668B2 Method and apparatus for obtaining enhanced resolution images
An imaging system for obtaining images having enhanced features is described. The imaging system includes an optical system that receives and direct light from a field of view to two or more image planes. The image planes are optically coupled and configured to detect at least a portion of the received light and generate image data corresponding to the field of view. The system can include a processor that receives the image data generated by each plane and combines the data to form a combined image. The combined image can have a higher resolution than any image that can be obtained from the individual image sensors and the image plane may be curved to reduce the cost of optics. The processor can detect objects (e.g., moving objects) contained in images obtained from one image plane and configure the other image planes to obtain more detailed images of the detected objects.
US10924662B2 System for generating a virtual model of at least part of the body of a user or at least part of an object
A system for generation of a virtual template of at least one part of the body of a user includes an acquisition unit, which has a structure defining an acquisition chamber and includes a plurality of image capture devices such as cameras or the like. Such structure has a frame that supports a plurality of panels, each panel having a corresponding image capture device arranged thereon facing the acquisition chamber, the panels being arranged to shape the acquisition chamber like an egg.
US10924659B1 Electronic device with image capture and stimulus features
Portable electronic devices can be provided with stimulus features for the benefit of the subject to be captured in an image. Such stimulus features can attract the attention of the subject toward the camera when provided by components that are integrated with or coupled to the electronic device. The stimulus features can attract the attention and gaze of the subject prior to and during capture of the image. The stimulus features can also be provided to the subject as a reward during and after capture of the image. These features allow the user of the electronic device to focus on operation of the electronic device.
US10924657B2 Setting apparatus and control method thereof
In order to support the setting of a processing target region, a setting apparatus comprises: a first setting unit configured to set a first region which is to be a target of predetermined processing in a captured region; a second setting unit configured to set a second region which is to be excluded from the target of predetermined processing in the captured region; and a restricting unit configured to restrict a settable range of a region in at least one of the first setting unit and the second setting unit. In a case in which the other region of the first region and the second region is to be set after one region among the first region and the second region has been set, the restricting unit restricts the settable range of the other region based on the one region.
US10924653B2 Imaging apparatus, control method and non-transitory computer readable medium
In a case where a user sets an imaging condition setting rule based on a setting menu (M), a setting item of the imaging condition setting rule is selected from among a plurality of setting items. In a case where the setting item of the imaging condition setting rule is selected, a selection candidate list of an imaging condition setting rule having selection candidates “ALL FIRST-WIN”, “ALL LATE-WIN”, and “MIXED” is displayed. In a case where “ALL FIRST-WIN” is selected, a first-win processing unit is executed in all combinations of two setting items. In a case where “ALL LATE-WIN” is selected, a late-win processing unit is executed in all combinations of two setting items. Then, in a case where “MIXED” is selected, a mixed state is brought in which a combination, in which the first-win processing unit is executed, and a combination, in which the late-win processing unit is executed, are mixed.
US10924651B2 Wearable multimedia device and cloud computing platform with application ecosystem
Systems, methods, devices and non-transitory, computer-readable storage mediums are disclosed for a wearable multimedia device and cloud computing platform with an application ecosystem for processing multimedia data captured by the wearable multimedia device. In an embodiment, a method comprises: receiving, by one or more processors of a cloud computing platform, context data from a wearable multimedia device, the wearable multimedia device including at least one data capture device for capturing the context data; creating a data processing pipeline with one or more applications based on one or more characteristics of the context data and a user request; processing the context data through the data processing pipeline; and sending output of the data processing pipeline to the wearable multimedia device or other device for presentation of the output.
US10924650B2 Selfie capturing device of portable mobile communication terminal and control method therefor
Disclosed is a self-portrait photographing device for a portable mobile communication terminal, including: a self-camera module which is installed within a screen area of a display panel, through which an image is output, and captures an image of a subject through a front surface of the display panel; and a controller configured to control operations of the self-camera module and the display panel.
US10924648B2 Electronic assembly and electronic device
An electronic assembly and an electronic device are provided. The electronic assembly includes a bracket, a depth element configured to acquire depth image information, a first camera configured to acquire first hue image information, a projector and a second camera configured to acquire second hue image information. The depth element, the first camera, the projector and the second camera are arranged on the bracket together, and the second camera is arranged between the depth element and the first camera, and an image acquisition direction of the second camera is opposite to an image acquisition direction of the first camera.
US10924643B2 Terminal with controlled elastic camera component
Provided is a terminal. The terminal includes a camera component and a camera control device. The terminal has an accommodation chamber therein. Both of the camera component and the camera control device are located in the accommodation chamber. The camera control device comprises a switch valve component, an elastic component and a holding component. When held by the holding component, a valve core of the switch valve component could limit the camera component to be within the accommodation chamber. When camera control software such as a camera application is infected by virus, the camera component could avoid stretching out of the accommodation chamber even upon being controlled to start. Accordingly, the camera component could avoid being secretly filmed by lawbreakers and prevent user's privacy from being exposed.
US10924635B2 Image processing apparatus and image processing method
According to one embodiment, an image processing apparatus includes a scanner to generate image data by scanning a document and a control unit. The control is configured to set, for each pixel in the image data, a second pixel value based on a first pixel value and a difference between a first base value corresponding to a base color of the document and a second base value that is based on neighboring pixel values around the pixel. A correction table is used to obtain a corrected second pixel value for each pixel. A third pixel value for each pixel is set based on the corrected second pixel value and the difference between the first and second base values.
US10924623B2 Automated identification of panoramic imagers for appropriate and efficient panoramic image distortion processing system
Systems and methods in accordance with the invention allow automatic recording, sharing, and communicating of different parameters associated with images and their imager to define a specific system behavior of a display device or an algorithm unit. Examples of information include imager parameters, environment parameters, image processing and enhancement parameters, coordinates of a section of wide-angle scene image content, display parameters, defined user experience, defined system behavior or any information to be recorded, shared, and communicated. To avoid loss of information, the information is encoded directly in the picture using a marker. This way, the information is robustly transferred from the imager to the display unit. According to the information, the final image can be automatically corrected and enhanced before display, different associated parameters can be displayed on final image or be used with another output. The end user experience or system behavior can thus be defined and be reproduced.
US10924620B2 Document reading guidance for operator using feature amount acquired from image of partial area of document
A reading method guidance apparatus includes a receiving unit, an acquisition unit, and a guidance unit. The receiving unit receives a document size that is a size of a document as a reading target. The acquisition unit acquires an image of at least a partial area in the document. The guidance unit provides an operator with guidance about a reading procedure when the document is read by a first reading apparatus in plural batches, using a feature amount obtained from the acquired image, the received document size, and a readable size that is a size of an area readable by the first reading apparatus.
US10924618B2 Image reading apparatus
An image reading apparatus includes: a main body extending in a widthwise direction and a depth direction; an image reader provided on an upper portion of the main body and extending in the widthwise direction and the depth direction; and an operation panel provided adjacent to one edge of the image reader which extends in the depth direction. The operation panel is provided at a front end portion of the main body. The operation panel is shorter than the image reader in the depth direction. A connector to which a connecting cable is connected is provided at a back surface of the operation panel located on an opposite side of the operation panel from the front end portion. At least a space is defined at the upper portion and extends in the depth direction from the back surface of the operation panel.
US10924616B2 Image processing apparatus, image processing method, and non-transitory storage medium storing instructions executable by the image processing apparatus having a shortcut function
An image processing apparatus includes a controller configured to: set a type of a reading-related function to a first type or a second type; when the second type is set, display a procedure-selection screen prompting for selection of a first procedure or a second procedure as an execution procedure after a start of image reading; set the execution procedure to the first procedure or the second procedure; and register the reading-related function having a setting processing, a reading processing, and a particular processing. In the first procedure, the controller displays a first preview screen containing the read image, and the image processing apparatus starts the particular processing when a particular-processing start instruction is accepted. In the second procedure, the controller displays a second preview screen containing the read image, and the image processing apparatus starts the particular processing without accepting the particular-processing start instruction.
US10924612B2 Techniques for benchmarking pairing strategies in a contact center system
Techniques for benchmarking pairing strategies in a contact center system are disclosed. In one embodiment, the techniques may be realized as a method for benchmarking pairing strategies in a contact center system comprising: determining for each contact of a plurality of contacts, an associated plurality of historical contact assignments; determining, for each contact, an associated outcome value; partitioning, for each contact, the associated plurality of historical assignments into a first associated subset assigned using a first pairing strategy and a second associated subset assigned using a second pairing strategy; determining, for each contact, a first portion of the associated outcome value attributable to the first associated subset and a second portion of the associated outcome value attributable to the second associated subset; and outputting a difference in performance between the first and second pairing strategies according to the first and second associated portions of the associated outcome value for each contact.
US10924611B2 Voice recognition system and call evaluation setting method
An evaluation criterion for a call performed between an operator and a customer is set without taking time and effort. A voice recognition system includes a call recording unit that records a call performed between a customer and an operator, a voice recognition unit that recognizes the call recorded by the call recording unit and a value of non-verbal information indicating a feature of a calling party in the call and accumulates a recognized result in a storage unit, and a voice recognition result managing unit that sets a reference value for evaluating the calling party on the basis of the value of the non-verbal information included in the recognized result.
US10924598B1 Stand for desktop phone
A stand includes a neck, a base coupled to a first end of the neck, and a receiving interface located at a second end of the neck. The receiving interface is configured to receive a short stand of a desktop phone device.
US10924597B1 Hand-supportable mobile device retention apparatus
An attachment aid for securing a mobile device to a finger of a human hand in a manner enabling a user to manipulate the position and orientation of a secured mobile device vis-à-vis the human hand between an in-use state and a non-use state includes a mobile device-retaining portion at one end and a user finger-retaining portion at an opposite end.
US10924596B2 Method and apparatus for providing event of portable device having flexible display unit
A portable terminal is provided for operation in a first mode in which information is provided on a first curved surface area or a second mode in which information is provided on a second curved surface area, and controlling the display to provide, in response to an occurrence of an event while in the first mode, information related to the event on the first curved surface area, and provide, in response to the occurrence of the event while in the second mode, information related to the event on the second curved surface area.
US10924591B2 Low-latency link compression schemes
Methods and apparatus for low-latency link compression schemes. Under the schemes, selected packets or messages are dynamically selected for compression in view of current transmit queue levels. The latency incurred during compression and decompression is not added to the data-path, but sits on the side of the transmit queue. The system monitors the queue depth and, accordingly, initiates compression jobs based on the depth. Different compression levels may be dynamically selected and used based on queue depth. Under various schemes, either packets or messages are enqueued in the transmit queue or pointers to such packets and messages are enqueued. Additionally, packets/message may be compressed prior to being enqueued, or after being enqueued, wherein an original uncompressed packet is replaced with a compressed packet. Compressed and uncompressed packets may be stored in queues or buffers and transmitted using a different numbers of transmit cycles based on their compression ratios. The schemes may be implemented to improve the effective bandwidth of various types of links, including serial links, bus-type links, and socket-to-socket links in multi-socket systems.
US10924590B1 Virtual workspace experience visualization and optimization
A computer system to track and enhance performance of a virtual workspace system is provided. The computer system receives requests to profile phases of a distributed process executed by hosts coupled to one another via a network. Each of phase includes operations executed by processes hosted by the hosts. Each of phase either starts with receipt of a request via a user interface of a virtualization client or ends with provision of a response to the request via the user interface. The computer system identifies event log entries that each include an identifier of an event marking a start or an end of one of the operations, constructs a performance profile based on the event log entries, and transmits the performance profile to the user interface.
US10924582B2 Distributed control of synchronized content
A method for processing a transport command at a local content controller to control the playback of shared content in synchrony with other, remote content controllers commences by first determining whether a received transport command originated from the local content controller or from at least one remote content controller. In the event of a locally originated transport command, the local content controller will prioritize the locally originated transport command with recently received transport commands. Thereafter, the local controller will transmit the locally originated transport command to at least one remote content controller for execution thereby if the locally originated transport command has priority. In the event of a remotely originated transport command, the local controller will prioritize the remotely originated transport command with recently received transport commands and then execute the prioritized transport commands in accordance with the latency between content controllers.
US10924575B2 Automatic network management system and methods
A network management architecture referred to as the Control/Orchestration/Management/Policy/Analytics, COMPA, architecture. The COMPA architecture functions to simplify and automate the operations (both management and business process) of a network. In one aspect, the COMPA architecture provides controlled access to functionality provided by different responsibility domains using cooperating service access control, SAC, agents.
US10924572B2 Information push method and apparatus, information sending method and apparatus, system, and storage medium
An information push method and apparatus, and an information sending method and apparatus are provided. The information push method includes: obtaining text information sent by a terminal, and obtaining input process information corresponding to the text information. The input process information includes at least one of: response duration, input duration and focus switch operation information associated with a process that a user of the terminal enters the text information. The method also includes obtaining first user emotion information corresponding to the input process information. The first user emotion information characterizes an emotion state in the process of inputting the text information by the user. The method also includes generating push information according to the text information and the first user emotion information, and sending the push information to the terminal.
US10924568B1 Machine learning system for networking
A system and method provides a platform to connect individuals for networking among professionals based on interest.
US10924567B2 Determining active application usage through a network traffic hub
A network traffic hub receives network traffic from a user device running an application. The network traffic hub aggregates the network traffic into augmented netflows. Based on netflow parameters extracted by the network traffic hub, one or more augmented netflows are associated with the application. The network traffic hub determines whether an augmented netflow is a result of the application being in an active state or a passive state based on, for example, the quantity of data within the netflow. If the quantity of data within the augmented netflow is larger than a data threshold, the augmented netflow can be classified as an active usage, and if the data is less than the data threshold, the augmented netflow can be classified as a passive usage. Thus, by classifying network traffic of an application as active or passive, a record of a user's active usage of the application can be recorded.
US10924562B1 Real-time monitoring of IO load and latency
Providers of web services and other types of software as a service may be subject to service-level agreements requiring that response times be within a defined range. For efficiency, multiple services may be hosted on the same set of computing nodes, which may jeopardize adherence to service-level agreements. A control system may involve classifying service requests and determining desired values for measurements such as latency. An error value may be calculated based on the difference between measured and desired values. A controller may adjust a rate of capacity utilization for the computing nodes based on the current error, a history of past errors, and a prediction of future errors.
US10924560B2 Determining geographic locations of network devices
In one embodiment, a method includes receiving one or more communication network addresses and one or more geographic locations of each network address, determining one or more location-related features based on each network address, generating one or more predicted locations of the network address, each predicted location corresponding to one of the first geographic locations of the network address, and each predicted location being associated with a time stamp representing an age of the predicted location, determining, based on the location-related features and the time stamps, a weighting factor representing a probability that at least one of the predicted locations of the network address corresponds to a true location of the network address, and determining, for each of the predicted locations, a weight based on at least the weighting factor, wherein the weight represents a probability that the predicted location corresponds to the true location of the network address.
US10924554B2 Application customization
Methods and systems for customizing applications in enterprise mobility management systems are described herein. A client agent software application on a mobile device may be customized to embed or make available enterprise server URLs, a session cookie for authentication, and various other data during the device enrollment process. The customization of the client agent may be based on the device, user, and/or enrollment session. After the device is enrolled in the enterprise system, the embedded data may be accessed by the client agent application to support seamless single-sign-on during first-time use. Additional customized applications based on device, user, and/or enrollment session, may be generated and provided to mobile devices during or after device enrollment. Customized applications may be based on application templates, such as packaged web applications or specific implementations of hosted applications.
US10924550B2 Framework for distributed key-value store in a wide area network
A distributed key-value storage system may include a master node. The key-value store may be distributed among first and second nodes. The master node may receive a publish request to publish one or more key-value pairs. Each key-value pair may be stored in a retransmit buffer and sent to all the first nodes using a communication protocol of a first kind that does not include a retransmit protocol mechanism. Some of the key-value pairs may be sent to one or more second node using a communication protocol of a second kind that includes a retransmit protocol mechanism.
US10924547B2 Systems and methods for establishing and maintaining virtual computing clouds
Networking systems and methods for establishing and maintaining virtual computing clouds are disclosed. A networking system can comprise a server and various instances of a software agent, each agent being installed on a computing device participating in a virtual computing cloud. The server can maintain account setting for a user, wherein the settings can indicate which files on indicated computing devices are included in the virtual computing cloud. The networking system can selectively synchronize data between the computing devices automatically and in a secure manner, and can transmit data in real time to simulate local storage when synchronization of certain files is inappropriate in light of file incompatibility. As a result, the networking system can provide the user with a seamless, automatic system and method for accessing a total computing environment.
US10924546B2 State container synchronization system and method
A mobile computing device may comprise at least one memory that comprises mobile application instructions and a state container. The mobile application instructions may cause a processing device of the mobile computing device to perform operations of: creating, while in an offline mode such that the mobile device is disconnected from a remote application server, a local update packet corresponding to the state container; establishing, via a wireless network, a network connection with the remote application server, thereby causing the mobile computing device to enter an online mode; synchronizing the memory of the mobile computing device with the remote application server, the synchronizing comprising comparing a first timestamp associated with the local update packet with a second timestamp associated with the remote update packet; and initiating display of a graphical user interface representation of the second modified contents of the state container to a user of the user device.
US10924541B2 Low-power and low-latency device enumeration with cartesian addressing
An enumeration technique is provided that requires no pre-assignment of addresses to slave devices connected through P2P links to a host device. With regard to any P2P link between devices, one device has a master interface and the remaining device has a slave interface. To distinguish between the master and slave interfaces, a master/slave status bit may be used. Each P2P link has a link ID that may be concatenated with the status bit for a corresponding interface (slave or master) to form a node ID. The host device receives a unique concatenated address from each slave device that represents a concatenation of the node ID for the slave and the node ID for any intervening interfaces between the slave device and the host device. The host device then assigns a unique Cartesian address to each slave device.
US10924540B2 Lightweight naming scheme for aggregating requests in information-centric networking
In one embodiment, a device in a network receives an interest request for one or more pieces of content data available in the network. The interest request specifies the one or more pieces of content data via one or more bits sets in a content request bitmap of the interest request, each bit of the content request bitmap being associated with a different piece of content data. The device compares the content request bitmap to a content availability bitmap in a forwarding information base (FIB) of the device that is associated with a particular interface of the device and each bit of the content availability bitmap indicates whether a particular piece of content data is available via the particular interface. The device forwards the interest request via the particular interface, based on the comparison between the content request bitmap and the content availability bitmap in the FIB of the device.
US10924537B2 Systems, apparatus and methods for cost and performance-based management of resources in a cloud environment
Systems, methods and apparatus, including computer program products, are disclosed for regulating access of consumers (e.g., applications, containers, or VMs) to resources and services (e.g., storage). In one embodiment, this regulation occurs through the movement of consumers between different providers of a resource or service, such as a cloud service provider. Moving consumers includes, for example, determining the cost of moving the consumer from a first provider to a second provider. According to various embodiments, the cost of moving the consumer is compared to cost and performance criteria associated with moving the consumer from the first provider to the second provider. Cloud-based services may be priced as templates, reserved instances, or a combination.
US10924535B2 Resource load balancing control method and cluster scheduler
Embodiments of the present invention disclose a resource load balancing control method and a cluster scheduler. The method includes: predicting performance data that is of an application deployed on each cluster node and that is in a preset time period; calculating a first standard deviation of the cluster system according to the predicted performance data of each cluster node; when the first standard deviation of the cluster system is greater than a preset threshold, determining an application migration solution according to a resource load balancing rule; and sending a application migration solution to the cluster application manager, to trigger the cluster application manager to perform resource load balancing control on the cluster system according to a application migration solution.
US10924534B2 Dynamic placement of computing tasks in a distributed computing environment
Among other things, this document describes systems, methods and devices for performance testing and dynamic placement of computing tasks in a distributed computing environment. In embodiments, a given client request is forwarded up a hierarchy of nodes, or across tiers in the hierarchy. A particular computing node in the system self-determines to perform a computing task to generate (or help generate) particular content for a response to the client. The computing node injects its identifier into the response indicating that it performed those tasks; the identifier is transmitted to the client with particular content. The client runs code that assesses the performance of the system from the client's perspective, e.g., in servicing the request, and beacons this performance data, along with the aforementioned identifier, to a system intelligence component. The performance information may be used to dynamically place and improve the placement of the computing task(s).
US10924533B2 System, apparatus and method for load balancing
A method of performing multi-path load balancing in a communications network comprising a plurality of servers comprises, in a server: receiving a first connection request from a first load balancer, sent from a first interface of a client device (step 301); and storing a code representing the server in a database, the code associated with a unique identity of the server (step 302). The method comprises, in a second load balancer: receiving a second connection request, from a second interface of the client device, wherein the second connection request is associated with the first connection request sent from the first interface of the client device to the server, and wherein the second connection request includes a code associated with the server (step 401); mapping the code to an entry in the database (step 402); determining the unique server identity associated with the code (step 403); and forwarding the second connection request to the server associated with the unique server identity (404).
US10924527B2 Dynamic workflow-based composite web service system and method
A dynamic workflow-based composite web service system and method for the creation and definition of a web service, its properties, methods, and functions through the combination of an event trigger which defines the web service endpoint, actor classes which defines the service's properties and metadata, and a workflow which defines its methods and functions. The dynamic workflow-based composite web service system and method generally includes one or more web service endpoints (the URL where the service can be accessed by a client application), an event trigger defined for each endpoint, actors which define the properties and metadata of the service, and a workflow which receives input from the endpoint, returns the result of the process, and defines the web service functions and methods.
US10924526B2 Adapting an audio bit rate based on changing network conditions
A first device receives information indicating changed network conditions for a network supporting a call with a second device at a first audio bit rate, and provides, to the second device, a packet instructing use of a second audio bit rate. The first device starts a timer associated with receiving an indication that the second device is using the second audio bit rate, and receives, from the second device, a response packet at the first audio bit rate. The first device determines that the timer has expired, and provides, to the second device, additional packets instructing use of the second audio bit rate. The first device determines that a threshold quantity of additional packets have been provided to the second device, and re-negotiates the second audio bit rate with the second device. The first device continues the call with the second device at the second audio bit rate.
US10924524B2 Communication devices, communication data generation method, and communication data processing method
Provided are devices and methods that enable content distribution of data units generated by dividing a GOP, and GOP reconstruction and reproduction on the reception device side. A transmission device generates a sub GOP media segment as packet-stored data, the sub GOP media segment storing media data including only part of constituent data of a Group of Pictures (GOP) as a processing unit of encoded data and metadata corresponding to the media data, and generates and transmits a packet having an in-GOP location identifier recorded as packet additional information therein, the in-GOP location identifier indicating the in-GOP location of the media data stored in the sub GOP media segment. A reception device arranges media data dispersed and stored in packets by referring to the in-GOP location identifiers stored in received packets, and reconstructs and decodes a GOP.
US10924523B2 Encodingless transmuxing
An encodingless transmuxer produces a manifest file and segments for streaming media content over different streaming protocols without encoding or otherwise modifying the binary data from the original encoding of the media content file. The transmuxer detects key frame positions from the media content file metadata. The transmuxer maps segment start times to a subset of the identified key frames based on a segment duration parameter. The transmuxer generates a manifest file listing the segments with each segment identifier comprising a timestamp specifying a time offset for the key frame at which the segment commences. In response to a request for a particular segment, the transmuxer or a streaming server copies or reuses from the original media content file, the binary data for the key frame that commences the particular segment up to the bit immediately before the start of the next segment key frame.
US10924519B2 Method, apparatus, system, and non-transitory computer readable medium for interworking between applications of devices
Provided is a method and system for interworking between applications of devices. An inter-device application interworking method may provide a function capable of processing an action associated with a single communication session through interworking between applications installed on a plurality of electronic devices, respectively, in response to a presence of the plurality of electronic devices of a user identified in association with a single account of the user.
US10924518B2 UPF programming over enhanced N9 interface
Various implementations disclosed herein enable programming user plane gateway controllers over enhanced N9 interfaces. In various implementations, a method of gateway controlling is performed by a computing device including one or more processors, and a non-transitory memory. In various implementations the method includes determining, by a first packet gateway controller connected to a first session manager device, that a user equipment moved to a geographical area that is served by a second session manager device. In some implementations, the method includes receiving, by the first packet gateway device, a set of information for a second packet gateway device. In some implementations, the method includes transmitting, by the first packet gateway device, a session establishment request via a first network interface to the second packet gateway controller using segment routing via a second network interface.
US10924517B2 Processing network traffic based on assessed security weaknesses
A threat management facility generates a simulated phishing threat based on one or more characteristics of users of an enterprise network and transmits the simulated phishing threat to the users of the enterprise network. Based on whether a user fails to respond appropriately to the simulated phishing threat, the threat management facility may adjust a profile of the user. Network traffic to and from an endpoint associated with the user may be processed according to the adjusted profile.
US10924516B2 Managing network connections based on their endpoints
The disclosure relates generally to methods, systems, and apparatuses for managing network connections. A system for managing network connections includes a storage component, a decoding component, a rule manager component, and a notification component. The storage component is configured to store a list of expected connections for a plurality of networked machines, wherein each connection in the list of expected connections defines a start point and an end point for the connection. The decoding component is configured to decode messages from the plurality of networked machines indicating one or more connections for a corresponding machine. The rule manager component is configured to identify an unexpected presence or absence of a connection on at least one of the plurality of network machines based on the list of expected connections. The notification component is configured to provide a notification or indication of the unexpected presence or absence.
US10924513B1 Action detection and network security policy enforcement based on wireless-transmission interference patterns
Systems of the present disclosure can detect user activities on endpoint devices based on the interference patterns those actions produce in wireless transmissions between those endpoint devices and another device (e.g., an edge device operating as a web security gateway). A web security gateway sends time-series data describing interference on wireless transmissions sent from, or received by, an agentless endpoint device to a network security service. In response, the network security service uses a machine-learning model to infer a type of an action that occurred on the agentless endpoint device concurrently with the wireless transmissions. The network security service sends an indication of the action type to the web security gateway. The web security gateway applies a network security policy to the action or a network communication associated therewith.
US10924507B2 Auto configuration server and method
An Auto Configuration Server is coupled via at least one Load Balancer in a broadband network to at least one device, including at least one gateway device, in at least one home network. The Auto configuration Server remotely manages the devices by using the CPE WAN Management Protocol CWMP on top of the Hypertext Transfer Protocol http.
US10924506B2 Monitoring cloud computing environments
An example method of monitoring computing resources in a cloud computing environment may include receiving a request to subscribe to a monitoring service with respect to computing resources associated with a user account, the request specifying access information for a cloud computing system comprising a plurality of virtual machines associated with the computing resources. The method may further include monitoring, using the access information, the plurality of virtual machines. The method may further include identifying, in view of the monitoring, a virus-infected application running on a virtual machine of the plurality of virtual machines. The method may further include terminating the virus-infected application. The method may further include receiving, in view of the monitoring, resource usage data reflecting types and duration of usage of the computing resources. The method may further include generating, in view of the usage data, a report reflecting usage of the computing resources.
US10924505B2 Passcode based access-control with randomized limits
Systems and methods for enhancing the security of an account by reducing the ability of an attacker to determine that an account includes multiple passcodes for accessing the account. An example method may comprise: accessing an account that comprises a first passcode providing constrained access to a set of computing resources and a second passcode providing unconstrained access to the set of computing resources; associating the account with a randomized resource limit that restricts a quantity of passcodes associated with the account; receiving a request to create a third passcode for the account; and denying the creation of the third passcode for the account in view of the randomized resource limit.
US10924502B2 Network security using inflated files for anomaly detection
Techniques for providing network security and anomaly detection are disclosed. In some embodiments, network traffic may be monitored in order to create a model of network traffic over a first period of time. Based on the model of network traffic, one or more inflated files may be created and stored on a system, wherein the inflated files are of a sufficient file size such that attempts to exfiltrate one or more of the files may be detected based by network monitoring tools. The inflated files may further include one or more indicators of sensitivity, including indicators of the presence of sensitive information that is not actually included in the inflated files. Network traffic characteristics may then be repeatedly or continuously monitored in order to update the size of the one or more inflated files based on changes in network traffic characteristics.
US10924500B2 System to detect behaviour in a telecommunications network
A system is provided for detecting behaviour of a mobile telecommunications device in a telecommunications network. Malware in mobile devices can cause malicious behaviour in the device, for example sequential attaching and detaching of an infected device relative to a telecommunications network. A telecommunications network is provided which is configured to identify at least one mobile telecommunications device and to receive signals from the mobile telecommunications device and process the signals into data streams. The data streams include data of a first type arranged to cause an event of a first type within the telecommunications network. The network is arranged to monitor an occurrence in the data streams of the data of the first type and to register when the occurrence exceeds a level indicating acceptable behaviour of the mobile telecommunications device in the telecommunications network. A device for detection of mobile device behaviour is also described.
US10924490B2 Sharing sensor measurements
A server for sharing sensor measurements comprising one or more processors, which alone or in combination are configured to facilitate performing: receiving friend information from business to consumer (B2C) entity servers; receiving sensor information from a user device for gaining access to the sensor measurements; receiving a request for the sensor measurements from a friend device; determining whether the friend device is authorized to receive the sensor measurements based on the friend information; and sending, to the friend device, the sensor measurements in response to the friend device being authorized to receive the sensor measurements.
US10924488B2 Customization of data session retry mechanism in a wireless packet data service network
In one embodiment, a method is provided for customization of a mobile communications device's data session retry mechanism in a wireless packet data service network. The mobile communication device requests activation of a data session with a node via the wireless network and receives a reject message via the wireless network in response to the request for activation of the data session, the reject message including a cause code. If the cause code corresponds to a no-retry behavior of the data session retry mechanism of the mobile communication device, the mobile communications device no longer requesting activation of a data session with the node.
US10924479B2 System and methods to establish user profile using multiple channels
Embodiments of the disclosure provide a method of establishing a user profile using multiple channels. Embodiments allow compatibility of the user profile across several authentication systems. The user profile is created upon registration and is updated with attributes after authenticating and authorizing the user according to a pre-defined assurance level. The user profile contains attributes pertaining to the user and user device. The attributes can be analyzed by authentication systems to optimize data security.
US10924475B2 Management of relationships between a device and a service provider
An authentication device is used to create a secure connection between an Internet of Things (IoT) device and a service provider, so that the IoT device is not limited to only the services of one specific provider or the specific services of the provider of the IoT device. In addition, multiple IoT devices purchased from several different providers can all be connected to the same service provider.
US10924474B2 User security authentication system in internet and method thereof
Example embodiments of the present invention provides a system and method for user security authentication in an Internet environment, in which the user may generate encoded member authentication data by combining a member ID, a password, and a unique code value of a security code selection module that are selected when the user has signed up for membership to any web service provider system, thus increasing code complexity in an access stage in which the web service provider system is accessed as well as simply enhancing security.
US10924471B2 Method for enabling and/or requesting access by a first network subscriber to a second network subscriber in a network
A method for enabling access by a first network subscriber to a second network subscriber in a network includes receiving a communication request from the first network subscriber and determining whether the second network subscriber has carried out an authentication of the first network subscriber during a first phase. The second network subscriber allows communication with the first network subscriber when the second network subscriber has carried out authentication of the first network subscriber during the first phase. The second network subscriber receives an access request from the first network subscriber and determines a level of trustworthiness of the first network subscriber. The second network subscriber enables access of the first network subscriber based on the determination of the level of trustworthiness of the first network subscriber.
US10924469B2 Single sign-on (SSO) for internet of things (IoT) applications
Systems and methods for authorizing an Internet of Things (IoT) application of an IoT device (such as a smart TV or a set-top box microconsole). Examples can include establishing, by the IoT application, a connection with a mobile application of a mobile device. The connection can be a wireless link that has a maximum range less than or equal to 400 meters (such as a Bluetooth or a near-field communication (NFC) link). Examples can also include sending, by the IoT application, a request to a remote server to return a connector code. The request can include an identification of the wireless link. Examples can also include receiving, by the IoT application, the connector code from the remote server or a second server, and transferring, by the IoT application, the connector code to the mobile application via the wireless link.
US10924467B2 Delegated authorization for isolated collections
Examples of the present disclosure describe systems and methods of delegating authorization to access isolated collections of data. In aspects, a request to access an isolated collection of resource identifiers and relationships may be received by an application. The resource identifiers may correspond to resources in one or more remote data repositories. Upon receiving the request, the application may interrogate a remote data repository to determine whether the requestor is currently authorized to access the one or more resources corresponding to the resource identifiers in the isolated collection. If the requestor is determined to be authorized, the application may use an authorization indication provided by the remote data repository to provide the requestor with access to the isolated collection. If the requestor is determined to be unauthorized, the application may prohibit access to the isolated collection.
US10924466B2 System and method for IOT security
The present disclosure relates to a method and system for enabling IOT security using a decentralized IOT security platform that leverages the advanced communication and blockchain security thread model to protect IOT eco-systems. The platform uses a multi-chain data schema including a device chain and an event chain. The multi-chain data schema uses a time-envelope mechanism to generate an event to connect different device chains and enforce a set of security rules through smart contracts. The method comprising receiving an encrypted block from IOT device with event data and verifying the device signature and identity based on certain rules within the device chain. Further, the method comprising determining access to event chain using previous token, current token and timestamp of the encrypted block and updating the event chain upon access determination. The event chain protects data integrity and confidentiality against malicious packets, unauthorized devices, weak encryption and man-in-the-middle attacks.
US10924465B2 Split authentication network systems and methods
Disclosed is a system comprising: an authentication datastore; a device presence engine; a traffic monitor engine; an authentication presence monitor engine; an authentication server selection engine; and a traffic routing engine. In operation: the device presence engine is configured to detect presence of a user device on a trusted network; the traffic monitor engine is configured to monitor, in response to the detection, traffic on the trusted network from the device; the authentication presence monitor engine is configured to evaluate onboarding characteristics of the user device in response to the monitoring; the authentication server selection engine is configured to select one of a plurality of authentication servers to authenticate the user device to the trusted network, the selecting based on the onboarding characteristics; and the traffic routing engine is configured to route traffic from the user device to the selected authentication server.
US10924463B2 Delegating intermediation on an exchange of encrypted data
A method, a device and a program are provided for processing data. The method is implemented within an intermediary module. The data is transmitted between a customer module and a server module connected through a communications network. The method includes: receiving, from one among the customer and server modules, an intermediation request identifying an operation of intermediation to be performed relative to a stream of encrypted data exchanged between the customer module and the server module; and processing relative to said encrypted data as a function of said operation of intermediation.
US10924460B2 Systems and methods for dividing filters in neural networks for private data computations
A method includes dividing a plurality of filters in a first layer of a neural network into a first set of filters and a second set of filters, applying each of the first set of filters to an input of the neural network, aggregating, at a second layer of the neural network, a respective one of a first set of outputs with a respective one of a second set of outputs, splitting respective weights of specific neurons activated in each remaining layer, at each specific neuron from each remaining layer, applying a respective filter associated with each specific neuron and a first corresponding weight, obtaining a second set of neuron outputs, for each specific neuron, aggregating one of the first set of neuron outputs with one of a second set of neuron outputs and generating an output of the neural network based on the aggregated neuron outputs.
US10924457B2 Packet cleaning method and apparatus
The present disclosure discloses a packet cleaning method and apparatus. The method includes: acquiring a packet type and a destination address of a target packet; acquiring, from a configuration file, a first attack type set according to the packet type and a second attack type set according to the destination address, wherein the second attack type set comprises types of attacks that a device corresponding to the destination address receives from within a period of time; generating a cleaning strategy chain corresponding to the target packet according to the first attack type set and the second attack type set; and cleaning the target packet based on the cleaning strategy chain.
US10924454B2 Computing device and method for generating a fabric-wide IPV6 address
Computing device and method for generating a fabric-wide IPv6 address in a data center comprising a plurality of fabrics. A configuration file is stored in a memory of a computing device. The configuration file comprises an Internet Protocol version 6 (IPv6) base prefix and a fabric identifier. A processing unit of the computing device determines a host identifier. The processing unit generates an IPv6 prefix, by combining the IPv6 base prefix stored in the configuration file and the fabric identifier stored in the configuration file. The processing unit generates an IPv6 address, by combining the IPv6 prefix and the host identifier. The processing unit further advertises the generated IPv6 address.
US10924450B2 Allocation of resources during split brain conditions
The invention is directed towards a first resource allocation device, a system, method, computer program and computer program product for assigning resources in a set of resources. The first resource allocation device (22) has control of a first subset (SS1) of the resources (S) and cooperates with a second resource allocation device (24) having control of a second subset (SS2) of the resources and receives a request (RQ) for resources from a requester, selects at least one resource, and allocates a selected resource to the requester, where the allocated resource is a resource selected from the complete set (S) if the first resource allocation device (22) is in contact with the second resource allocation device (24) and from the first subset (SS1) if the first resource allocation device (22) has lost contact with the second resource allocation device (24).
US10924449B2 Internet protocol (IP) address assignment
In one embodiment, a method includes partitioning a block of Internet protocol (IP) addresses into one or more sets of IP addresses. The IP addresses of each set of IP addresses are continuously sequential and corresponds to a geographically-distributed Internet point of presence (PoP). Each of the IP addresses in the block corresponds to one of a number of global services. Each PoP supports one or more of the global services. The method also includes assigning a respective one of the sets of IP addresses to each PoP. A prefix of each set of IP addresses is fixed for each set of IP addresses. The method also includes partitioning each set of IP addresses into a number of subsets of IP addresses. One or more of the subsets of IP addresses each corresponds to a respective global service.
US10924445B2 Notification targeting
In one embodiment, a method includes receiving a number of notifications of activity relevant to a user. Each notification has an associated type. The method also includes calculating an interest of each activity to the user based at least in part on the type of each notification; ranking the notifications based at least in part on the calculated interest; and sending one or more of the notifications to the user. Each of the sent notifications has a ranking higher than a pre-determined threshold ranking.
US10924439B2 Hybrid conversational chat bot system
Method, system and media for a hybrid chat bot system that enables a user interface that can interact via simple text messages or rich chat bubbles with smart analytical data and provide a rich and efficient way for the user to respond. The hybrid chat bot system may also include a configurable scripting language for guiding the flow of the interview based on the information to be gathered, the user history with the system and the user's preferred method of interaction. The hybrid chat system may also include a way for a subject matter expert to seamlessly enter and exit the chat in the event of user difficulty to provide additional explanation or guidance, while retaining access to the rich chat bubbles with the associated variety of user interaction patterns.
US10924438B2 Techniques for handling message queues
Techniques are disclosed relating to handling queues. A server-based platform, in some embodiments, accesses queue information that includes performance attributes for a plurality of queues storing one or more messages corresponding to one or more applications. In some embodiments, the platform assigns, based on the performance attributes, a corresponding set of the plurality of queues to each of a plurality of processing nodes of the platform. In some embodiments, the assigning of a corresponding set of queues to a given one of the plurality of processing nodes causes instantiation of: a first set of one or more dequeuing threads and a second set of one or more processing threads. The dequeuing threads may be executable to dequeue one or more messages stored in the corresponding set of queues. The processing threads may be executable to perform one or more tasks specified in the dequeued one or more messages.
US10924434B2 Graceful designated router handoff
In one embodiment, a first Protocol Independent Multicast (PIM) router includes port interfaces to receive multicast traffic from a first network and forward the traffic to at least one receiver, which is in a sub-network including other PIM routers, and a routing processor configured, in response to a decision for the first PIM router to relinquish being a designated router, to generate a PIM Hello message with a first option descriptor and a first priority, the first option descriptor indicating a staggered handoff process, and send the PIM Hello message, receipt of the PIM Hello message by the other PIM routers being operative to result in a designated router election electing a new designated router, the new designated router being operative to initiate the staggered handoff process causing the first PIM router to continue forwarding traffic until the new designated router has built a multicast routing tree.
US10924433B2 Mirror packet control method and mirror packet control device
A mirror packet control device includes a processor that detects a notification of a completion of movement of a first virtual machine from another device to the mirror packet control device. The processor refers, upon the detection of the notification, to first correspondence information to identify a transmission source that transmits a first mirror packet to the first virtual machine. The first correspondence information includes a first item associating first identification information of the first virtual machine with second identification information of the transmission source. The processor transmits a first deletion instruction to the transmission source. The first deletion instruction instructs deletion of a second item included in second correspondence information stored in the transmission source. The second item associates the first identification information with identification information of a first port of the transmission source through which the first mirror packet is transmitted to the first virtual machine.
US10924423B2 Adaptive mechanism to adjust UDT packet size based on actual network condition
Described embodiments provide systems and methods for adaptive packet size adjustment for UDT or similar protocols, responsive to actual network conditions. Upon detection of a ‘black hole’ or a size or range of sizes of packets that are repeatedly lost, the system may subdivide packets matching the size or range into smaller subpackets. The receiving device may receive each subpacket and reassemble the original packet, allowing successful communication. Other packets, both smaller and larger than the identified size or range, may be transmitted normally, avoiding drastic reductions to congestion windows or application of other congestion avoidance features, or reducing the MTU value to avoid the ‘black hole’ range while sacrificing overall useable bandwidth. As a result, the system may more efficiently and reliably communicate large data payloads.
US10924418B1 Systems and methods for fast detection of elephant flows in network traffic
In a system for efficiently detecting large/elephant flows in a network, the rate at which the received packets are sampled is adjusted according to a top flow detection likelihood computed for a cache of flows identified in the arriving network traffic. After observing packets sampled from the network, Dirichlet-Categorical inference is employed to calculate a posterior distribution that captures uncertainty about the sizes of each flow, yielding a top flow detection likelihood. The posterior distribution is used to find the most likely subset of elephant flows. The technique rapidly converges to the optimal sampling rate at a speed O(1/n), where n is the number of packet samples received, and the only hyperparameter required is the targeted detection likelihood.
US10924417B2 Cognitive communication channel-adaptation based on context
Methods, computer program products, and systems are presented. The methods include, for instance: predicting an upcoming communication content in a current channel based on learning input data from a plurality of sources relevant to a communication activity of a user. A user response to the predicted content is assessed and a communication channel model for the factors including the input data is selected. A user satisfaction level with the current channel is checked against a predefined threshold for the selected communication channel model. For the current channel that is less than satisfactory, an adaptive action is taken to adapt the current channel to another for the user.
US10924416B2 Method for traffic shaping using a serial packet processing algorithm and a parallel packet processing algorithm
A method and a network node for traffic shaping of a packet switched network is presented, the network node being arranged for processing packets to be transmitted in the network according to at least: —a serial packet processing algorithm Aser providing a synchronized utilization of a set of at least one processing unit; and—a parallel packet processing algorithm Apar providing an at least partly unsynchronized utilization of the set of at least one processing unit; wherein—the processing of the packets corresponds to a total packet cost, which is cooperatively shared by the at least one processing unit of the set. The method further includes: —determining, when the processing according to the parallel packet processing algorithm A par is used for processing the packets, if shares of the total packet cost for one or more of the at least one processing units exceed a capacity to process packets for the at least one processing units, respectively, wherein each one of the shares corresponds to one or more packet; and—switching from the processing according to the parallel packet processing algorithm Apar to processing according to the serial packet processing algorithm Aser if the shares of the total packet cost for one or more of the at least one processing units, respectively, is determined to exceed the capacity.
US10924415B2 Device shaping in a communications network
Embodiments provide techniques for device-level traffic shaping in a communications network. Embodiments operate in communication networks providing connectivity to large numbers of user-side network nodes via shared communications links. For example, customer premises equipment (CPE) devices behind one of the user-side network nodes are classified into device types according to a predetermined rate-relevant characteristic of the CPE device. Upon receiving a forward-link (FL) traffic flow destined for one of the CPE devices, the device type of the CPE device is identified, and the FL traffic flow is shaped in accordance with a traffic shaping policy that corresponds to CPE device type. Various embodiments are tailored to support architectures having device-level shapers and/or network address translators (NAT) in user-side network nodes and/or in a provider-side network node.
US10924414B2 Processing high volume network data
Disclosed are a system comprising a computer-readable storage medium storing at least one program, and a computer-implemented method for event messaging over a network. A subscription interface receives data indicative of a subscription request for sessionized data. An allocation module allocates a sessionizer bank linked to the subscription request. A messaging interface module provisions identifiers linked to the respective processing engines of the sessionizer bank. The messaging interface module registers the allocated sessionizer bank as available to process event messages matching the subscription request by providing the provisioned identifiers. The messaging interface module receives event messages from a producer device linked by a collection server to a selected one of the processing engines of the sessionizer bank. The selected one of the processing engine processes the received event messages in accordance with session rule data linked to the subscription request to generate sessionized data.
US10924412B2 Distribution of network traffic to software defined network based probes
In one example, a processor may receive network traffic from a demultiplexer via a first network interface card and place portions of the network traffic into a plurality of hash buckets. The processor may further process a first portion of the portions of the network traffic in at least a first hash bucket of the plurality of hash buckets and forward a second portion of the portions of the network traffic in at least a second hash bucket of the plurality of hash buckets to a switch via a second network interface card. In one example, the switch distributes the second portion of the network traffic to one of a plurality of overflow probes. In one example, the plurality of overflow probes comprises a network function virtualization infrastructure for processing the second portion of the network traffic.
US10924409B2 Method for implementing load balancing, apparatus, and network system
A method for implementing load balancing, an apparatus, and a network system, where a controller obtains a port attribute of each port of a first switch in a mesh network, determines, according to the port attribute of each port of the first switch, a virtual routing and forwarding instance corresponding to each port of the first switch, where all user-side ports of the first switch correspond to a first virtual routing and forwarding instance, generates a forwarding table of the first switch according to a topology of the mesh network and the virtual routing and forwarding instance corresponding to each port of the first switch, where a first forwarding entry of the forwarding table includes the first virtual routing and forwarding instance, a destination network segment and at least two forwarding paths corresponding to the destination network segment, and sends the forwarding table to the first switch.
US10924404B2 Multi-tenant middleware cloud service technology
A system that includes multiple hosts, each running a plurality of virtual machines. The system may be, for example, a cloud computing environment in which there are services and a service coordination system that communicates with the hosts and with the services. The services include a middleware management service that is configured to maintain per-tenant middleware policy for each of multiple tenants. The middleware management service causes the middleware policy to be applied to network traffic by directing network traffic to a middleware enforcement mechanism. This middleware policy is per-tenant in that it depends on an identity of a tenant.
US10924395B2 Seamless multipoint label distribution protocol (mLDP) transport over a bit index explicit replication (BIER) core
Seamless multipoint label distribution protocol (mLDP) transport over a bit index explicit replication (BIER) core may be provided. First, it may be determined that a first plurality of network devices comprise BIER edge routers. Then, in response to determining that the first plurality of network devices comprise BIER edge routers, a Targeted Label Distribution Protocol (T-LDP) session may be created between a first one of the first plurality of network devices and a second one of the first plurality of network devices. Next, an address of a peer device connected to the second one of the first plurality of network devices may be advertised by the second one of the first plurality of network devices over the T-LDP session.
US10924394B2 Computing label-switched data communication paths
Methods, systems, and computer readable media for computing label-switched data communication paths are disclosed. An example method includes receiving, by a path computation element (PCE) implemented on at least one processor, synchronization status information for routing nodes in a label-switched network. The method includes receiving, by the PCE, a request for a label-switched path (LSP) from a client. The method includes determining, by the PCE, a responsive LSP based at least in part on the synchronization status information. The method includes sending, by the PCE, an explicit route object (ERO) for the responsive LSP to the client.
US10924392B2 Planning and managing network probes using centralized controller
In general, the disclosure describes techniques for measuring edge-based quality of experience (QoE) metrics. For instance, a network device may construct a topological representation of a network, including indications of nodes and links connecting the nodes within the network. For each of the links, the network device may select a node device of the two node devices connected by the respective link to measure one or more QoE metrics for the respective link, with the non-selected node device not measuring the QoE metrics. In response to selecting the selected node device, the network device may receive a set of one or more QoE metrics for the respective link for data flows flowing from the selected node device to the non-selected node device. The network device may store the QoE metrics and determine counter QoE metrics for data flows flowing from the non-selected node device to the selected node device.
US10924390B2 Updating entries of a distribution data structure
In some examples, a system populates a distribution data structure useable by a switch in distributing communications of data packets across a plurality of network paths for the switch. In response to an addition of a new network path or a removal of an existing network path for the switch, the system updates entries of the distribution data structure using a process that identifies selected entries of the distribution data structure to skip as part of updating the distribution data structure.
US10924387B2 Method and apparatus for preventing loops in a network topology
The embodiments herein relate to a method and a network switch device for preventing the occurrence of loops in a network topology comprising a plurality of network switch devices, each switch device is assigned a unique SW-ID. The method comprises exchanging each SW-ID between all switch devices; and building, for each switch device, a routing table. The method further comprises when receiving, at a first switch device, a data frame from a second switch device that includes an SS-ID, assigned to the second switch device, and the data frame is received at a port of the first switch device, if, according to the routing table of the first switch device, the assigned SW-ID for this port is different from the SS-ID included in the data frame, discarding the data frame, otherwise, processing forward the data frame.
US10924385B2 Weighted multipath routing configuration in software-defined network (SDN) environments
Example methods are provided for a network management entity to perform weighted multipath routing configuration in a software-defined networking (SDN) environment. The method may comprise the network management entity obtaining state information associated with the multiple second nodes that provide multiple respective paths for first node to reach a destination network; and based on the state information associated with the multiple second nodes, assigning the multiple second nodes with respective multiple weights. The method may also comprise generating and sending control information specifying the multiple weights to the first node. The control information is to cause the first node to perform weighted multipath routing to distribute egress packets that are destined for the destination network over the multiple second nodes based on the multiple weights.
US10924379B1 Method and device for controlling transmission rate of a device under test
A method for controlling transmission rate of a device under test (DUT) is provided. The method comprises the steps of establishing a connection to the DUT, transmitting an operating mode notification in order to adjust the operating bandwidth and/or spatial stream capabilities of the DUT, and receiving an acknowledgement notification from the DUT regarding the correct reception of the transmitted operating mode notification.
US10924378B2 System and method for loopback and network loop detection and analysis
A method of determining the presence of a loopback in one or more networks comprises storing information related to a test instance; sending a loopback detection beacon (LPDB) containing information related to the test instance from a port on an originating device; monitoring the port for a predetermined time period to detect LPDBs arriving at the port during the predetermined time period; and determining whether a detected LPDB contains information corresponding to the stored information, to detect the presence of a loopback. The method may determine whether a detected loopback is a port loopback, a tunnel loopback or a service loopback. The stored information related to the test instance may be deleted if an LPDB arriving at the port and containing information corresponding to the stored information is not detected within the predetermined time period.
US10924371B2 Method for monitoring a first node in a communications network and monitoring system
A method and corresponding system are described for monitoring a first node in a communications network by a second node, where the first node has a single-channel design and is designed to execute a safety-oriented application. The second node has a dual-channel design, and a safety protocol is used for a data transfer between the first and second node. The second node determines at each of two consecutive time points a time value based on an internal timer, and sends each determined time value to the first node. The first node in response to each receipt of the time values determines a further time value based on a further internal timer. The first node compares a difference between the two time values from the second node with a difference between the two further time values from the first node, and goes into an error state depending on the comparison.
US10924369B2 Traffic aware operations, administration, and maintenance (OAM) solutions for internet of things (IoT) networks
Systems, methods, and computer-readable media for Operations, Administration, and Maintenance (OAM) in Internet of Things (IoT) network include an maintaining a list of one or more IoT devices connected to an IoT gateway in the IoT network. At least a subset of the one or more IoT devices are classified as belonging to an active list based on receiving traffic from at least the subset of the one or more IoT devices, and OAM probes are suppressed to at least the subset of the one or more IoT devices in the active list. A message can be received in response to the OAM probe from the at least one IoT device, and upon receiving the message, the at least one IoT device is classified as belonging to the active list.
US10924368B1 Network monitoring tool for supercomputers
Disclosed herein are embodiments of a network monitoring device for a supercomputer system having a plurality of supercomputer nodes. The network monitoring device may utilize plug-in software modules to provide network monitoring capabilities related to discovering the network topologies of the supercomputer system, determining network and computing resources that are available for new applications in the supercomputer system, collecting network and computing resources that are being used by running software applications in the supercomputer system, and monitoring running software applications on the supercomputer system.
US10924365B2 Method and system for generating directed graphs
A method for generating a directed graph for a transaction in an application, comprising: receiving event information for events included in the transaction at a processor, each event having a link directed from a first endpoint to a second endpoint in the application; assigning an identification (“ID”) number to each event and including the ID number in the event information for each event; based on endpoint, correlating the event information to produce dyadic event information representative of dyadic events, each dyadic event including a first event and a second event associated with the endpoint, the dyadic event information for each dyadic event including a first ID number and a second ID number for the first event and the second event, respectively; based on ID number, combining the dyadic event information to produce correlation fragments associated with the ID number; and, combining the correlation fragments to produce the directed graph for the transaction.
US10924364B2 Elastic system monitoring
A monitoring system using agents to dynamically collect state information at controllable intensity levels from components of systems. The system receives state information collected by an agent at a particular intensity level, and processes the state information to determine an updated intensity level for collecting state information by the agent, or by some other agent. The state information may include data indicating the performance of one or more components, such as process response times or other metrics. The intensity level for collecting further state information can be increased when, among other things, previously collected state information indicates more detailed monitoring for the component is appropriate. The intensity level for collecting further state information can be decreased when, among other things, previously collected state information indicates continued expected behavior.
US10924358B1 Method and system for multivariate profile-based host operational state classification
A method and system for multivariate profile-based host operational state classification. Specifically, the disclosed method and system entail the generation of non-geometric shapes derived from operational state inferring features reflective of at least a portion of host device telemetry aggregated for host devices. The non-geometric shapes may subsequently be mapped onto a high-dimensional feature space and, thereafter, assigned into clusters representative of given target operational states that may be exhibited by the host devices. Based on identified operational states, assigned to the non-geometric shapes, reactive actions may be invoked to address or rectify operations and/or configurations on the host devices.
US10924355B2 Handling changes in a distributed network management system that uses a logical multi-dimensional label-based policy model
A change to a state of a particular managed server within an administrative domain is processed. The administrative domain includes a plurality of managed servers that use management instructions to configure management modules so that the configured management modules implement an administrative domain-wide management policy that comprises a set of one or more rules. A first description of the particular managed server is modified to indicate the particular managed server's changed state, thereby specifying a second description of the particular managed server. The unmodified first description is compared to the second description, thereby specifying a description change. A determination is made, based on the description change, regarding whether to update management instructions previously sent to the particular managed server.
US10924349B2 Automatic placement of clients in a distributed computer system satisfying constraints
A cloud management server and method for performing automatic placement of clients in a distributed computer system uses a list of compatible clusters to select an affinity cluster to place the clients associated with an affinity constraint. As part of the placement method, a cluster that cannot satisfy any anti-affinity constraint associated with the clients and the affinity constrain is removed from the list of compatible clusters. After the affinity cluster has been selected, at least one cluster in the distributed computer system is also selected to place clients associated with an anti-affinity constraint.
US10924345B2 Method for changing the configuration of connected networks
A method for changing the configuration of at least two connected networks which consist of components and which are interconnected via at least one component, wherein at least one of the at least two networks is configured as a communication network, where digital models of the at least two networks are created based on network analyses, digital component models are created for the at least one connecting component, deriving a sequence of the configuration change is derived based on the digital models of the at least two networks and the digital component models for the at least one connecting component, the sequence of the configuration change is disassembled into decentrally executable sequence units and the decentrally executable sequence units distributing and executing while taking temporal and spatial dependencies on at least one decentralized sequence control unit in at least one of the at least two networks into account.
US10924338B2 Controller application module orchestrator
A network control system within an industrial processing facility (IPF) includes a controller platforms coupled to one another by a private path redundancy network providing a controller pool, each controller platform having at least one controller including computing hardware and a memory. An application module (AM) pool includes a plurality of AMs, wherein the controller platforms are coupled by an input/output mesh network to input/output devices coupled to field devices that are coupled to processing equipment in the IPF. A control application module orchestrator (CAMO) coupled to the plant-wide network is for dynamically deploying the AM's to the controller platforms, wherein the CAMO receives resource consumption attribute data regarding the controller platforms including a pool of available storage in the memory and processing resources available for the computer hardware. Based on the resource consumption attributes, the plurality of AMs are at least partially automatically deployed to the controller platforms.
US10924337B2 Vehicular cloud slicing
The disclosure includes embodiments for coordinating a resource usage of a connected endpoint based on a resource slice. In some embodiments, a method for a connected endpoint that contributes to a provisioning of a cloudification service in a vehicular micro cloud includes modifying an operation of a communication unit of the connected endpoint to receive a Vehicle-to-Everything (V2X) message that includes a command to implement a resource slice for provisioning the cloudification service. The resource slice describes a set of onboard resources to be reserved by the connected endpoint. The method further includes providing the set of onboard resources to execute one or more tasks for the cloudification service based on the resource slice so that a resource usage of the connected endpoint is coordinated based on the resource slice to improve performance of the connected endpoint.
US10924336B2 Method for dynamically controlling the membership of a zone in a cloud environment
Method and apparatus for dynamically updating a zoning methodology on a fibre channel (FC) fabric are provided. One example method generally includes receiving a request to provision storage to a virtual machine (VM) via the FC fabric connecting a host machine of the VM to a storage area network (SAN) and determining a dynamic zoning methodology to use for the VM. The method further includes determining a previous zoning methodology in use by the fabric, updating the FC fabric from the previous zoning methodology to the dynamic zoning methodology by modifying a zoning table of the FC fabric and activating the dynamic zoning methodology on the FC fabric.
US10924334B1 Monitoring distributed systems with auto-remediation
System and methods are described for a monitoring system to monitor operations of a distributed computing system and provide feedback to subscribers. The monitoring system includes a data collection engine to receive data items comprising events, metrics, or one or more configurations about a distributed computing system being monitored, and to store selected data items into a message queue. The monitoring system also includes a data processing engine to receive the selected data items from the queue, transform the selected data items into transformed data items based at least in part on one or more settings for a subscriber and the one or more configurations of the distributed computing system, and store the transformed data items into one or more of a database and a cache. The monitoring system also includes a feedback engine to read the transformed data items from the one or more of the database and the cache, generate feedback for the subscriber based at least in part on the transformed data items and the one or more settings for the subscriber and the configurations, and send the feedback to the subscriber.
US10924329B2 Self-healing Telco network function virtualization cloud
Examples herein describe systems and methods for self-healing in a Telco network function virtualization cloud. KPI attributes for virtual network functions can be mapped to physical fault notifications to create synthesized alerts. The synthesized alerts can include information from both a virtual and physical layer, allowing a self-healing action framework to determine root causes of problems in the Telco cloud. Remedial actions can then be performed in either the virtual or physical layer of the Telco cloud. Remedial actions in one layer can be based on root causes identified in the other, which can allow for remediation before network downtime occurs.
US10924326B2 Method and system for clustered real-time correlation of trace data fragments describing distributed transaction executions
A system and method is disclosed that provides fail-save, scalable and clustered correlation of transaction trace data. The transaction trace data is provided by a set of agents injected into application processes and processed by a set of clustered correlation servers. Each agent monitors parts of transaction executions performed by the application process into which it is injected. The agents generate transaction trace data fragments describing the transaction execution part and report those transaction trace data fragments to the correlation cluster. Routing of transaction trace data from agents to correlation servers is performed in a way that transaction data fragments describing a specific transaction are received by one correlation server regardless of the agent sending it. Intermediate nodes may be used to server as proxy between agents and the correlation server cluster to further improve the availability and failure tolerance of the monitoring system.
US10924325B2 Maps having a high branching factor
Disclosed is a technique for providing packet filter maps with high branching factors in a system for managing network traffic in a visibility fabric. A high branching factor enables a map to branch out more than two ways. High branching factors can be realized by allowing a map to be affiliated with more than one action set. For example, each rule of the map may be affiliated with a unique action set that is executed only when the corresponding rule is satisfied.
US10924320B2 IQ mismatch correction module
An IQ estimation module comprising a powerup state IQ estimator configured to generate powerup state IQ estimates based on a powerup calibration of the IQ estimation module, a steady state IQ estimator configured to generate steady state IQ estimates during a steady state operation of the IQ estimation module, and an IQ estimate extender configured to determine differences between the powerup state IQ estimates and steady state IQ estimates at their respective frequency bins and adjust the powerup state IQ estimates to improve the accuracy of IQ estimates.
US10924310B2 Transmitter with fully re-assignable segments for reconfigurable FFE taps
Methods and systems of performing feed forward equalization (FFE) on data streams are described. A circuitry may generate staggered data streams from data streams of an input signal. The staggered data streams may include data in staggered unit intervals. The circuitry may include a plurality of segments. A segment may define a specific unit interval to carve the staggered data streams into one unit interval pulses positioned at the specific unit interval. The specific unit interval to carve the staggered data streams may indicate an assignment of the segment as one of a FFE pre tap, a FFE main tap, and a FFE post tap. The plurality of segments may be assigned to different FFE taps based on different clock signal selection defining different unit intervals to perform the carving. The plurality of segments may output respective one unit interval pulses to reproduce the input signal.
US10924307B1 Continuous time linear equalization circuit with programmable gains
A continuous time linear equalization (CTLE) circuit is disclosed. The CTLE circuit includes an input port, an output port, a first differential transistor pair coupled to the input port and the output port and a second differential transistor pair. The CTLE circuit further includes a first degenerative impedance circuit coupled between the first differential transistor pair and ground. The first degenerative impedance includes switchable components to vary impedance of the first degenerative impedance circuit. The CTLE circuit also includes a second degenerative impedance circuit coupled between the second differential transistor pair and ground. The second degenerative impedance includes switchable components to vary impedance of the second degenerative impedance circuit, wherein the resistive part of the impedance of the first degenerative impedance circuit is equal to the impedance of the second degenerative impedance circuit.
US10924304B2 Method and device for decoding a signal, and memory device
A method for decoding a signal. The method comprises decoding a received signal according to a predetermined decoding scheme and obtaining an estimate of a transmission signal based on the decoding result; obtaining an estimate of channel noise by using the correlation of channel noise; generating a modified received signal by subtracting the obtained estimate of channel noise from the received signal; and decoding the modified received signal to obtain a decoded signal according to the predetermined decoding scheme.
US10924301B2 Network control device, communication system, network control method, program, and recording medium
Disclosed is a network control device for performing control of a system including a plurality of terminals and including a plurality of gateway devices that are coupled to a predetermined network, the network control device including a selection unit that selects a first gateway device used by a first terminal based on a quality between the first terminal and the plurality of gateway devices, a tunnel establishing unit that connects between the first terminal and each of other terminals that uses the first gateway device via a tunnel, and a path control unit that performs path control, such that, when a second gateway device used by a second terminal that is a communication destination of the first terminal is same as the first gateway device, traffic from the first terminal to the second terminal is routed through a tunnel between the first terminal and the second terminal, and when the second gateway device is different from the first gateway device, traffic from the first terminal to the second terminal is routed through the predetermined network.
US10924298B2 Network service chain construction
Example implementations relate to construction of a network service chain. For example, a system for construction of a network service chain can include a detection engine to detect a portion of a first network policy directing a subset of packets to a first service and a portion of a second network policy directing the subset of packets to a second service, and a construction engine to construct a network service chain of the first service and the second service in an order determined from a priority assigned to the first network policy and a priority assigned to the second network policy.
US10924295B2 Method and apparatus for occupying unlicensed band channel
The present invention relates to a method and an apparatus for occupying an unlicensed band channel, thereby avoiding misjudgment of an occupied unlicensed band state. A method for occupying an unlicensed band channel includes: a user equipment receiving a power increase rate of a reference signal transmission unit of an unlicensed band channel determined by a secondary cell (Scell) base station; the user equipment receiving, in the unlicensed band channel, a sub-frame of reference signal transmission unit level power distribution sent by the Scell base station; the user equipment decoding the power increase rate; and the user equipment using the power increase rate to process the sub-frame.
US10924290B2 Method and device to timestamp a digital image
The method and device are intended to prove the posteriority date (P) and anteriority date (A) of a digital image (IN) including building with a first server a previously unknown code (C) and transmitting this code (C) at the posteriority date (P), acquiring the digital image including a joint representation of a subject (S) and the code (C), computing an electronic fingerprint (EIN) of the digital image (IN), receiving with a second server at the anteriority date (A) the electronic fingerprint (EIN), inserting a combination (EIN+A) of the electronic fingerprint (EIN) and the anteriority date (A) in a block chain and possibly retrieving and sending back with a third server the recorded posteriority (P) and anteriority (A) dates from the reception of a new digital image (IN2).The disclosure is intended in particular to prove with images the correct performance of clinical protocol steps in clinical trials.
US10924289B2 Public-private key pair account login and key manager
Embodiments of the invention provide improved account authentication using public-private key cryptography instead of passwords. Instead of registering a password and using that password to login to an account, an authentication server of an account provider registers a public key received from a user device. To authenticate the user device for logging into an account, the authentication server generates a challenge and encrypts using the registered public key. The encrypted challenge is sent to the user device, which can decrypt the challenge using the private key corresponding to the registered public key. The decrypted challenge is used for authentication instead of using a password. The private key corresponding to the public key is securely stored and not revealed to the authentication server.
US10924288B2 Managing blockchain-based centralized ledger systems
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for managing blockchain-based centralized ledger systems. One of the methods includes transmitting individual timestamp requests for to-be-timestamped blocks in a blockchain to a trust time server independent from a blockchain-based centralized ledger system that stores data in the blockchain, the blockchain including a plurality of blocks storing transaction data, receiving respective timestamps and associated signatures for the to-be-timestamped blocks from the trust time server, and storing information of the respective timestamps and associated signatures for the to-be-timestamped blocks in respective timestamped blocks in the blockchain, any adjacent two of the timestamped blocks in the blockchain being anchored with each other.
US10924285B2 Method and server for providing notary service with respect to file and verifying file recorded by the notary service
A method is provided for providing a notary service for a file, the method includes the steps in which: (a) when a notary service request for a specific file is obtained, a server generates, by using a hash function, or supports the generation of, a message digest of the specific file; and (b) if a predetermined condition is satisfied, the server registers, in a database, or supports the registration of, a representative hash value or a value obtained by processing the representative hash value, the representative hash value being generated by calculating at least one neighboring hash value that matches a specific hash value, wherein the specific hash value is a hash value of the result of encrypting the message digest with a private key of a first user, a private key of a second user and a private key of the server.
US10924283B2 Dynamically-changing identity for IoT devices with blockchain validation
Techniques for use in generating a dynamically-changing IoT device identity with robust blockchain validation are provided. When entering a communication network, an IoT device performs a procedure for registration. The procedure includes communicating, in a transaction, data associated with the IoT device to a network device (e.g. a fog router). The data includes, amongst other data items, an identity for addressing communications to and from the IoT device. A transaction number associated with the transaction is received based on a blockchain registration of the transaction. An updated identity of the IoT device is then derived based on the transaction number. In one example, the updated identity of the IoT device may be derived by combining a static address of the IoT device and the transaction number. The steps may be repeated by the device for each one of a plurality of network registrations.
US10924276B2 System, apparatus and method for performing a plurality of cryptographic operations
In one embodiment, an apparatus includes: a hardware accelerator to execute cryptography operations including a Rivest Shamir Adleman (RSA) operation and an elliptic curve cryptography (ECC) operation. The hardware accelerator may include: a multiplier circuit comprising a parallel combinatorial multiplier; and an ECC circuit coupled to the multiplier circuit to execute the ECC operation. The ECC circuit may compute a prime field multiplication using the multiplier circuit and reduce a result of the prime field multiplication in a plurality of addition and subtraction operations for a first type of prime modulus. The hardware accelerator may execute the RSA operation using the multiplier circuit. Other embodiments are described and claimed.
US10924273B2 Data exchange for multi-party computation
The present disclosure relates to exchanging data for multi-party computation. In some aspects, a server generates a first random number set, a second random number set, a third random number set, and a fourth random number set based on a first random seed, a second random seed, a third random seed, and a fourth random seed, respectively. The sever generates a fifth random number set and a sixth random number set, respectively, based on the first random number set, the second random number set, the third random number set, and the fourth random number set. The random numbers in the random number sets satisfy a predetermined condition. The server sends the first random seed, the second random seed, and the fifth random number set to a first device. The server sends the third random seed, the fourth random seed, and the sixth random number set to a second device.
US10924270B2 Secret calculation system, secret calculation apparatus, and secret calculation method
The secret calculation system comprises three secret calculation apparatuses. An ith secret calculation apparatus (i=1, 2, 3) comprises a holder that holds (S[i], T[i]) and (S′[i], T′[i]) as distributed values of an n-bit number W and an n-bit W′ (n is any natural number), respectively; a first multiplicator that derives a logical conjunction of S[i] and S′[i]; a second multiplicator that derives a logical conjunction of T[i] and T′[i]; and a first subtractor that derives a difference between the logical conjunction derived by the first multiplicator and the logical conjunction derived by the second multiplicator.
US10924267B2 Validating keys derived from an oblivious pseudorandom function
A computing device including a processor, memory, and instructions, interfaces with a key management system (KMS) that provides encryption keys using an Oblivious Pseudorandom Function (OPRF). The device obtains, based on a type of encryption key being requested, a public key of a public-private key pair. The device creates an Oblivious Key Access Request (OKAR), including a blinded value associated with a requested encryption key. The OKAR is transmitted to the KMS, and a response is received. The response includes a blinded OPRF output, which yields an OPRF output as a result of being subjected to an unblinding operation. The OPRF output is validated using the public key, either directly or via a challenge, and in response to a positive validation, the OPRF output is used as a final key, or an intermediary key used to derive the final key.
US10924263B2 Systems and methods for facilitating iterative key generation and data encryption and decryption
Various techniques provide systems and methods for facilitating iterative key generation and data encryption and decryption. In one example, a method includes encrypting, by an encryption logic circuit, a current data portion of plaintext data using a current encryption key to provide an encrypted current data portion. The method further includes generating, by the encryption logic circuit, a next encryption key for encryption of a next data portion of the plaintext data based on the current encryption key. Related methods and devices are also provided.
US10924261B2 Efficient power distribution
An apparatus includes a power input, a power output, and a plurality of independent powering units each comprising at least one charge store. Each of the plurality of powering units is capable of receiving power from the power input while isolating the power output, and each of the plurality of powering units is capable of outputting power to the power output while isolating the power input.
US10924258B2 Synchronization control apparatus and synchronization control method
According to one embodiment, there is provided a synchronization control apparatus which synchronizes an STC counter value, based on TAI (Temps Atomique International: international atomic time) time, in each of systems which constitute a transmission system in a broadcasting system or a distribution system, the apparatus includes a processor or a dedicated arithmetic circuit configured to determine a time length in which the STC counter value laps, to calculate a remainder of the time length relative to the TAI time, and to convert the remainder to the STC counter value, thereby determining the STC counter value.
US10924252B2 Sequence generation to support demodulation reference signal multiplexing for pi over 2 binary phase shift keying modulation
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of a demodulation reference signal (DMRS) port to be used by the UE for transmitting a DMRS communication; determine a base sequence based at least in part on the DMRS port; generate a DMRS sequence for the DMRS port based at least in part on the base sequence; and transmit the DMRS communication including the DMRS sequence via the DMRS port. Numerous other aspects are provided.
US10924251B2 Encoding device and method and corresponding decoding device and method
Encoding of information bit sequences by use of an encoding device having more than two encoding entities is provided. Decoding of output codewords by a decoding device having more than two decoding entities is further provided. The encoding and the decoding are implemented through transmitting output codewords, generated by the encoding device, to the decoding device via a channel, wherein two or more user devices transmit the respective output codewords concurrently via the channel.
US10924247B2 State prediction process and methodology
A system and method for optimizing the performance for MIMO are provided, the system including multiple antennas, including at least one modal antenna, wherein each of the at least one modal antenna has multiple modes corresponding to multiple radiation patterns, and a processor coupled to the multiple antennas and configured to select a mode among the multiple modes to optimize signal quality for each time interval based on a CQI by considering envelop correlation effects.
US10924245B2 DMRS design for SPS assigned traffic
The present disclosure relates to an efficient demodulation reference signal (DMRS) design to facilitate a user equipment (UE) in performing blind detection of a DMRS sequence to determine if a transmission includes data for the UE. Specifically, features of the present disclosure implement techniques that use DMRS design to facilitate blind detection of a DMRS sequence in order for the UE to determine whether a packet for the UE was transmitted during a particular SPS slot. By utilizing the techniques described herein, the base station may forego using PDCCH to provide new allocation information each time that a packet misses the assigned SPS slot.
US10924240B2 Sounding reference signal transmission to indicate a virtual antenna port
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit a sounding reference signal (SRS) on a plurality of antenna ports. The UE may transmit the SRS on one or more virtual antenna ports, the one or more virtual antenna ports being based at least in part on the plurality of antenna ports. Numerous other aspects are provided.
US10924239B2 Terminal, base station, and communication method for reference signals with phase shift indexes
In the multiple short sequence based SRS, multiple items of sequence data having a short sequence length corresponding to a partial band are used for transmitting SRS in discontinuous bands. In the multiple short sequence based SRS, a terminal specifies a frequency domain to be used for transmitting a reference signal using predetermined sequence data, applies a phase shift index associated with the specified frequency domain to the reference signal, and transmits the reference signal to which the phase shift index is applied by using the specified frequency domain.
US10924237B2 Demodulation reference signal configuration in a multi-input multi-output wireless communication system
The present methods and apparatus enable transmission of an interlaced reference signal for two UEs using a comb structure. In some aspects, the present methods and apparatus may allocate resources and indicate whether a first UE and a second UE are to transmit DM-RS with a comb structure in a single slot based on the allocation. Further, in some aspects, the present methods and apparatus may allocate resources and transmit information indicating whether a first UE is to transmit DM-RS in a first slot or in both a first slot and a second slot within a subframe.
US10924232B2 Beam reference signal for broadcast decoding
Methods, systems, and devices for wireless communication are described. A base station may transmit a subframe that includes physical broadcast channel (PBCH) signals interspersed within beam reference signals, where the subframe may be a synchronization subframe including one or more synchronization signals. In some cases, the beam reference signals from different antenna ports may be code division multiplexed or frequency division multiplexed over multiple frequency tones. A user equipment (UE) may use the beam reference signals to generate channel estimates for the PBCH signals. In some cases, orthogonal cover codes for code division multiplexed signals may be selected to facilitate generation of channel estimates for PBCH signals transmitted using nearby frequency tones.
US10924228B2 Communications with carrier selection, switching and measurements
The disclosure relates to a base station configuring component carriers to user equipment (UE). The base station determines one or more component carriers to configure based on the UE carrier aggregation capability and sends a first configuration signaling to configure the UE with the component carriers in one or more component carrier sets. The base station configures each of the component carrier sets with a first common parameters and operations set and sends a second configuration signaling to configure the component carrier sets of the UE with the first common parameters and operations set. The base station then sends a third configuration signaling to configure each of the component carriers in the UE with a second parameters and operations set.
US10924220B2 Hybrid automatic repeat request method and terminal device
Embodiments of the present invention provide a hybrid automatic repeat request method and a terminal device. The method includes: obtaining a first uplink grant (UL grant) sent by a base station, where the first uplink grant is carried in a media access control MAC message; transmitting uplink data based on the first uplink grant, and starting a first timer; starting a second timer after the first timer expires; and listening to a physical downlink control channel PDCCH based on the second timer. According to the hybrid automatic repeat request method and the terminal device in the embodiments of the present invention, electricity can be saved, and a retransmission delay can be reduced.
US10924217B2 Apparatus, system and method of communicating a Physical Layer Protocol Data Unit (PPDU)
For example, an EDMG STA may be configured to generate a plurality of spatial streams of an EDMG PPDU; map the plurality of spatial streams to a respective plurality of pairs of space-time streams according to an STBC scheme by mapping a first data sequence of a spatial stream to a first symbol in an odd numbered space-time stream, mapping a second data sequence of the spatial stream to a second symbol in the odd numbered space-time stream, mapping a sign inverted complex conjugate of the second data sequence to a first symbol in an even numbered space-time stream, and mapping a complex conjugate of the first data sequence to a second symbol in the even numbered space-time stream; and transmit a transmission comprising the plurality of pairs of space-time streams over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
US10924213B2 Device and method for receiving broadcast signal
A method and device for receiving a broadcast signal are discussed. The method includes in one example receiving a broadcast signal; orthogonal frequency division multiplexing (OFDM) demodulating the broadcast signal; parsing a signal frame of the broadcast signal; time deinterleaving one or more Time Interleaving (TI) block of the signal frame based on an interleaving sequence order, wherein data cells in the one or more TI block are written into a memory based on position information of virtual cells skipped in time interleaving reading operation at a transmitter; and forward error correction (FEC) decoding the broadcast data.
US10924211B2 Non-orthogonal data transmission method and device
Embodiments of this application provide a data transmission method and device, so as to increase an uplink/downlink data transmission throughput. The method includes: splitting a to-be-transmitted transport block into N code blocks with incompletely equal sizes, where N is an integer greater than or equal to 2; performing error correction coding on the N code blocks to obtain N encoded bit blocks; and non-orthogonally transmitting the N encoded bit blocks by using resources that are the same in at least one dimension of a time domain, a frequency domain, a space domain, and a code domain.
US10924209B2 Channel coding method of variable length information using block code
A method for channel-coding information bits using a code generation matrix including 32 rows and A columns corresponding to length of the information bits includes, channel-coding the information bits having “A” length using basis sequences having 32-bit length corresponding to columns of the code generation matrix, and outputting the channel-coded result as an output sequence. If “A” is higher than 10, the code generation matrix is generated when (A−10) additional basis sequences were added as column-directional sequences to a first or second matrix. The first matrix is a TFCI code generation matrix composed of 32 rows and 10 columns used for TFCI coding. The second matrix is made when at least one of an inter-row location or an inter-column location of the first matrix was changed. The additional basis sequences satisfy a value 10 of a minimum Hamming distance.
US10924206B2 Adaptive modulation and coding method and base station
An adaptive modulation and coding method includes: receiving, by a base station, a channel quality indicator CQI sent by a first terminal; determining, by the base station, a subframe for scheduling the first terminal; determining, by the base station, a subframe set to which the subframe belongs, where the subframe set is a first subframe set or a second subframe set, and the first subframe set and the second subframe set correspond to different CQI adjustment amounts; adjusting, by the base station, the CQI based on a CQI adjustment amount corresponding to the subframe set to which the subframe belongs; and determining, by the base station based on an adjusted CQI, a modulation and coding scheme MCS for scheduling the first terminal.
US10924204B2 Signal transmission device and method, and signal reception device
The signal transmission device converts a K-bit original signal into an N-bit (N is greater than K) transmission signal in which the number of a logic high bit is identical to the number of a logic low bit, according to a lookup table in which a plurality of K-bit original signals are associated with a plurality of N-bit transmission signals by 1:1 correspondence, and transmit the N-bit transmission signal via N signal lines such that each line carries one bit, thereby minimizing the noise affecting the K-bit original signal.
US10924199B2 Communication method and communication device
The communication method using an almost periodic function code includes using, for modulation, almost periodic function codes the number of which is in accordance with the number of users or the number of channels, among K almost periodic function codes. Where k is an integer from 1 to K and is an identifier for identifying each of the K almost periodic function codes, a parameter that determines each of the K almost periodic function codes is represented by δ+(k−1)/K. The symbol K is N or 2N, where N is a code length of each almost periodic function code. The symbol δ is a real number greater than 0 and less than 1/N.
US10924196B2 Reception apparatus, reception method, transmission apparatus, and transmission method
The present technology relates to a reception apparatus, a reception method, a transmission apparatus, and a transmission method permitting provision of an emergency warning service more suited to actual operation.Provided is a reception apparatus including a reception section and a demodulation section. The reception section receives a physical layer frame transported as a broadcast signal on the basis of monitoring information that is included in upper layer signalling, signalling in a layer higher than a physical layer, and that is used to monitor a specific service. The demodulation section demodulates physical layer signalling acquired from the physical layer frame and monitors whether emergency warning information has been transported on the basis of emergency warning notice information acquired as a result of the demodulation. In the case where the emergency warning notice information indicates that the emergency warning information has been transported, the reception apparatus starts up automatically. The present technology is applicable, for example, to a transport system for transporting a physical layer frame compliant with the DVB-T2 standard.
US10924195B2 Bounced ray tubes with preprocessing of visibility
A system and method for ray launching in electromagnetic wave propagation modeling. A data-processing system receives a dataset that is representative of a plurality of structures within an environment. The plurality of structures is defined in the dataset as having a plurality of surfaces. The system then partitions each surface in the plurality of surfaces into a plurality of tiles. The system pre-computes whether i) the reference point of each corresponding tile in each plurality of tiles of each surface is visible or not from ii) the reference point of each possible spawning tile in each other plurality of tiles. The system then projects a first set of ray tubes based on the pre-computed visibility. The system evaluates the incidence of bounced ray tubes at a predetermined receive point within the environment and then presents a propagation result that is based on the evaluated incidence of the bounced ray tubes.
US10924192B2 Vehicular communication device
A vehicular communication device is provided. The vehicular communication device includes a reception section that receives, from a periphery vehicle equipped with a narrow area communicator for performing vehicle interior communication, a communication performance index representing performance of the narrow area communicator, and a controller. The controller includes: a reference value setup section that successively sets a reference value of the communication performance index based on the communication performance indexes received from multiple the periphery vehicles; an acquisition section that acquires the communication performance index for a targeted narrow area communicator; and an anomaly determination section that determines anomaly of the targeted narrow area communicator, based on comparison between the reference value set by the reference value setup section and the communication performance index acquired by the acquisition section for the targeted narrow area communicator.
US10924191B2 Low brightness, entanglement-based, semi-passive private communication protocol
A communications apparatus includes an entangled-photon generator for generating entangled pairs of photons including a plurality of idler photons and a corresponding plurality of signal photons. The communications apparatus includes a quantum memory for storing the plurality of idler photons. The communications apparatus includes a transmitter for transmitting the plurality of signal photons. The communications apparatus includes an optical element for selectively reflecting the plurality of signal photons to encode a reflected signal. The communications apparatus includes a receiver for detecting a plurality of incoming photons. The communications apparatus includes a correlator configured to determine the reflected signal from the plurality of incoming photons. The correlator determines an entanglement correlation between the plurality of incoming photons with the plurality of idler photons. A presence of entanglement correlation indicates that a detected incoming photon of the plurality of incoming photons is a reflected signal photon of the plurality of signal photons.
US10924190B2 Optical receiver and optical reception method
An optical receiver is provided with: an optical reception circuit which receives wavelength multiplexed light including signal light, converts the signal light into an electrical signal by coherent detection of the signal light using local oscillation light, and outputs the power of the local oscillation light, the bit error rate of the signal light and the electrical signal; and a controller which monitors the power of the local oscillation light and the bit error rate, calculates the signal-to-noise ratio of the signal light on the basis of the power of the local oscillation light and the bit error rate, and finds the number of wavelengths of the wavelength multiplexed light and the power per wavelength of the signal light on the basis of the signal-to-noise ratio and the power of the local oscillation light.
US10924185B2 Systems and methods of dual-side array bi-directional CWDM micro-optics
Systems and methods are provided for a dual-side bi-directional optical multiplexing system includes a light receiving elements array receiving light from in an egress propagation direction from an optical fiber, arranged at a side of the optical fiber. The system also includes a light transmitting elements array emitting light in an ingress propagation direction into the optical fiber, and arranged at a second position to an opposing side of the optical fiber. The light receiving elements array and the light transmitting elements array are on dual-sides of the system with respect to the optical fiber. The system also includes bi-directional micro-optics interfacing with the optical fiber, and interfacing with the light transmitting elements array to direct light propagating in the ingress direction emitted from the light transmitting element array towards the optical fiber.
US10924178B2 Geostationary high altitude platform
A geostationary platform is held afloat by a superpressure balloon. A suitable altitude is 25 km. The craft carries electrohydrodynamic thrusters, to overcome winds, held within a scaffold. Sensors determine position, velocity, acceleration and vector. A CPU performs instructions for station-keeping or navigation. A communication system is included to, inter alia, receive instructions from the ground. The craft carries a payload for observation and transmission, cradled in a temperature-controlled chamber. Power to the platform is transmitted in the form of electromagnetic waves (with suitable frequencies including microwaves of 2.45 GHz or 5.8 GHz) from a ground-based transmitter to a receiving antenna on, or affixed to, the balloon which converts the electromagnetic energy to direct current. A step-up voltage converter increases the voltage as required. A ground station monitors craft position and operational efficiency by radar to help ensure safe takeoff, operation, and landing of the craft.
US10924174B2 Precoding matrix indication method, apparatus, and system
A precoding matrix indication method relating to the field of wireless communications technologies, an apparatus, and a system that are in a wireless communications system are provided. A combination of a plurality of stages of codebooks and a corresponding PMI feedback method are further provided. User equipment receives indication information sent by a network device, where the indication information includes information about codebooks used to report precoding matrix indicators (PMI), the information about the codebooks indicates that the used codebooks are at least two of a first codebook to an Nth codebook, the PMIs include at least two of a first PMI to an Nth PMI, and the first PMI to the Nth PMI are respectively used to indicate a precoding matrix in the first codebook to a precoding matrix in the Nth codebook; and sends the PMIs based on the indication information.
US10924173B2 Beam management in directional beam networks
High frequency wireless communication networks rely on directional transmit and receive beams to achieve large gains and overcome large pathlosses associated with high frequency signals. With highly directional signals, link failure may occur. Network nodes associated with the link failure, may need to identify new beam pairs and establish a new link as quickly as possible. In several aspects, beam sweep procedures are expedited, allowing for rapid link reestablishment. Disclosed techniques allow for rapid link reestablishment with and without beam correspondence.
US10924164B2 Beamforming communication systems with power control based on antenna pattern configuration
Apparatus and methods for beamforming communication systems with power control based on antenna pattern configuration are provided. In certain embodiments, a beamforming communication system includes an antenna array including a plurality of antenna elements. The beamforming communication system further includes a plurality of signal conditioning circuits operatively associated with the antenna elements, and an antenna array management circuit that generates a plurality of control signals that individually control the signal conditioning circuits. The antenna array management circuit achieves a desired level of power control based on generating the control signals to select an antenna pattern configuration associated with a desired power control level.
US10924163B2 Codebook subset restriction for CSI
Network devices and systems in 5G advance long term evolution (LTE) and new radio (NR) infrastructures utilize beam management operations to ensure communications for channel state information (CSI) reporting by a user equipment (UE). CSI report configuration reporting settings are processed based on a codebook subset restriction to indicate pre-coding matrix indicators (PMIs) that are restricted and non-restricted for PMI reporting associated with a rank indicator (RI). Based on the codebook subset restriction, an advanced CSI codebook or a new radio (NR) codebook is generated to be transmitted on non-restricted beams of the codebook subset restriction.
US10924162B2 Facilitation of incremental feedback for 5G or other next generation network
Channel state information (CSI) can be transmitted to a network node incrementally to increase network efficiency. The CSI feedback framework can be enhanced by allowing a user equipment (UE) to report multiple sets of CSI feedback, where each set can comprise a rank indicator (RI), a pre-coder matrix indicator (PMI), and a channel quality indicator (CQI). Since a different set may have a different sub-band, the CSI feedback framework can support the sub-band rank, wherein rank data from a wideband and the sub-band can be used by the network.
US10924161B2 Method for performing communication based on beam group, and device
This application describes methods, systems, and techniques for performing communication based on a beam group. In a method, for example, a terminal device groups transmit beams of a network device based on a receive beam of the terminal device. The method may also include the terminal device determining spatial direction information of each beam group. Furthermore, the method may include the terminal device sending, to the network device, the spatial direction information of each beam group or information about a correlation between beam groups determined based on the spatial direction information.
US10924154B2 Electronic device for transmitting or receiving signal and method therefor
Disclosed is an electronic apparatus. The electronic apparatus may include a communication circuit including a plurality of ports, each of which transmits a signal in at least one frequency band and transmitting or receiving a signal in the at least one frequency band and a processor is configured to obtain frequency band information indicating the at least one frequency band and context information indicating a state of the electronic apparatus and to determine a port to be used for the respective at least one frequency band among the plurality of ports based on the obtained information. Other various embodiments as understood from the specification are also possible.
US10924151B2 Transmitter device and transceiver device for transmitting different wireless standard signal
A transmitter device which transmits a first transmit signal and a second transmit signal having different wireless communication standards. The transmitter device includes a power amplifier that amplifies the first transmit signal in a first transmission mode. A first impedance circuit provides the amplified first transmit signal to a radio frequency output port. A second impedance circuit is connected to the first impedance circuit and provides an additional impedance to the first impedance circuit in the first transmission mode. A first switch provides the second transmit signal to the first impedance circuit in a second transmission mode. A second switch connects the second impedance circuit and a ground in the first transmission mode, and floats the second impedance circuit in the second transmission mode.
US10924150B2 Universal mobile device cases and methods of making same
An expandable case that can expand to fit any rectangularly shaped mobile device is provided. In a preferred embodiment, the expandable case comprises a rectangular shaped back with a long axis and a short axis; a plurality of non-expandable components configured to form the rectangular shaped back wherein a subset of the plurality of non-expandable components curve around to form sides of the expandable case; a plurality of expandable components that couple the non-expandable components together to form the rectangular shaped back such that the rectangular shaped back can expand along the long and short axis; and, a window located at a top of the back wherein the window extends a full width of the rectangular shaped back and at least a quarter of the way down from a top of the rectangular shaped back.
US10924148B2 Bumperband and clamshell assembly for protecting a cell phone subhousing
A two-piece bumperband and clamshell assembly for protecting a smartphone subhousing. The bumperband comprise an impact resistant band of material that encircles peripheral edges of the subhousing. The bumperband includes an inwardly facing groove or channel structure that enables the bumperband to clamp against either or both a display screen bezel of the subhousing and the stepped ridge on the edges of the subhousing. The bumperband may also include a raised screen bumper protruding above and to protect the surface of the display screen. A downwardly protruding perimeter flange of the bumper band forms a perimeter gap to frictionally receive an upwardly protruding lip extending around the perimeter a clamshell backing when press-fitted with the subhousing and bumperband.
US10924147B2 Wearable device for transmitting a message comprising strings associated with a state of a user
A wearable device worn on a body of a user is provided. The wearable device includes a sensing unit configured to sense state information of the user, a touch input unit configured to receive a touch input from the user, a controller configured to select at least one of a plurality of strings based on the state information when the touch input is received, a display configured to display the selected at least one string, and a communicator configured to transmit a message including the at least one string to a receiver device.
US10924145B2 Proximity-independent SAR mitigation
A radiofrequency (RF) power regulator includes a forward RF power detection circuit to detect forward RF power supplied by an RF transmitter circuit to an RF transmitting antenna. An RF power sampler is coupled to the forward RF power detector circuit and provides RF power samples of the supplied forward RF power. Multiple filters are coupled to receive the RF power samples. Each filter differently filters the received forward power samples to apply a different average power period. Each filter activates an RF power adjustment trigger signal while a time-averaged forward RF power supplied to the RF transmitting antenna satisfies a forward RF power adjustment condition for the average power period of the filter. Forward RF power adjustment logic is coupled to filters and operable to adjust the forward RF power supplied by the RF transmitter circuit to the RF transmitting antenna based on the RF power adjustment trigger signal.
US10924139B2 Radio frequency circuit and electronic device
A radio frequency circuit includes: a first, second, and third switch, a first and second phaser circuit, and a combiner. When the first switch is configured to connect the first phase shifter circuit with the combiner and the second switch is configured to connect the second phase shifter circuit with the combiner, a transmission path for the high-frequency RF signal is cut off relative to the medium-frequency RF signal and a transmission path for the medium-frequency RF signal is cut off relative to the high-frequency RF signal, so as to perform CA of the high-frequency and medium-frequency RF signal to obtain a first aggregation signal, and the combiner performs CA on the first aggregation signal and a low-frequency signal.
US10924138B2 Dynamic noise mitigation device
A noise mitigation device includes a signal processing unit positioned within a signal path. The signal processing unit is configured to determine a power level of the signal path at a first time and a second time. The signal processing unit is also configured to determine a dynamic noise threshold based on the power level at the first time and at the second time. The signal processing unit is also configured to store the dynamic noise threshold for a predetermined time period that is longer than a time between the first time and the second time. The signal processing unit is also configured to actuate a switch in the signal path into a first state when the power level exceeds the dynamic noise threshold. The signal processing unit is also configured to actuate a switch in the signal path into a second state when the power level does not exceed the dynamic noise threshold.
US10924137B2 Apparatus and method for generating polar codes
A method for generating a polar code cN of length N and dimension K, on the basis of a generator matrix GN of size N×N, is provided. The method includes generating a distance spectrum vector dTp=(dTp(1), . . . , dTp(p)) of size p of the kernel Tp, wherein dTp(h), h=1, . . . , p, corresponds to a maximum value among all possible minimum distances of all possible polar codes of size p and dimension h generated on the basis of the kernel Tp. The method also includes generating a distance spectrum vector dGN of size N of the generator matrix GN on the basis of the distance spectrum vector dTp, determining the set of K information bit indices I on the basis of the distance spectrum vector dGN, and generating the polar code cN on the basis of the set of K information bit indices I.
US10924134B2 Apparatus and method for channel coding in communication system
This application relates to communicating information between communication devices. A channel coding method is disclosed. A communication device obtains an input sequence of K bits. The communication device encodes the input sequence using a low density parity check (LDPC) matrix H, to obtain an encoded sequence. The LDPC matrix H is determined according to a base matrix and a lifting factor Z. The base matrix includes m rows and n columns, m is greater than or equal to 5, and n is greater than or equal to 27. The lifting factor Z satisfies a relationship of 22*Z≥K. According to the encoding method provided in the embodiments, information bit sequences of a plurality of lengths can be encoded for transmission between the communication devices.
US10924133B2 Reducing control channel overhead using polar codes
Programming of frozen bits of first stage control channel information block enables scheduling information to be included for the second stage of the control channel information. By including some of the scheduling information for the second stage in the first stage frozen bits, the size of the first stage information blocks can be reduced, reducing the overhead required to transmit control information for the traffic channel. In an embodiment, the frozen bits can convey scheduling information that is lower priority than the scheduling information conveyed in the non-frozen bits of the first stage control channel information block. In another embodiment, the frozen bits can include parity bits, or cyclic redundancy check bits that are masked with the scheduling information.
US10924126B2 Oscillator closed loop frequency control
An electronic device comprises a regulator, and an oscillator and a resistor coupled to the regulator. The electronic device further comprises a feedback controller that includes a differential amplifier coupled between the oscillator, the resistor, and the regulator. The feedback controller is configured to apply a control voltage to the regulator in response to a resistor voltage upon the resistor and an oscillator voltage upon the oscillator. The feedback controller can be coupled to control a substantially equal voltage upon the resistor and the oscillator.
US10924124B2 Downshift techniques for oscillator with feedback loop
Techniques are disclosed relating to rapidly downshifting the output frequency of an oscillator. In some embodiments, the oscillator is configured to operate in a closed-loop mode in which negative feedback is used to maintain a particular output frequency (e.g., in a phase-locked loop (PLL)). In some embodiments, the negative feedback loop is configured to maintain the output of the oscillator at a particular frequency based on a reference clock signal and the output of the oscillator. The nature of a negative feedback loop may render rapid frequency changes difficult, e.g., because of corrections by the loop. Therefore, in some embodiments, the loop is configured to switch to an open-loop mode in which a control input to the oscillator is fixed. In some embodiments, the loop switches to open-loop mode in response to a trigger signal and control circuitry forces the oscillator to a new target frequency.
US10924121B1 No false lock DLL
A DLL circuit is disclosed. The DLL circuit includes a delay line, configured to receive a delay line input clock, and to generate a plurality of output clocks each having a phase based on a delay of the delay line. The DLL circuit also includes a control circuit, configured to selectively cause the delay line input clock to be equal to one of a DLL input clock and an inverted one of the output clocks of the delay line, and an edge combiner, configured to generate a DLL output clock based on the output clocks of the delay line.
US10924120B1 Fine granularity in clock generation
An oscillator circuit includes a phase-locked loop (PLL) with a plurality of voltage controlled oscillator (VCO), a clock divider circuit receiving the VCO phase outputs and outputting a first stage clock signal with an adjustable clock period related to the PLL period based on selecting a combination of two of the VCO phase outputs. The first stage clock signal has a balanced duty cycle at frequencies that are related to the PLL frequency by even fractional divisions of the VCO phase output period based on the quantity VCO phase outputs, and an unbalanced duty cycle at frequencies that are related by odd fractional divisions. A duty cycle adjustment (DCA) circuit receives the first stage clock signal selectively adjusts a falling edge of the first stage clock signal to provide an even duty cycle and feeds a resulting signal to the second stage clock signal output.
US10924119B1 Clock data recovery circuit and apparatus including the same
A clock data recovery circuit configured to receive an input data signal that includes an embedded clock signal includes a clock recovery circuit including a phase detector configured to detect a phase of the embedded clock signal and to generate a recovery clock signal from the input data signal based on the detected phase; and a data recovery circuit configured to generate a recovery data signal from the input data signal by using the recovery clock signal. The phase detector includes a sampling latch circuit configured to output a first sample signal and a second sample signal from the input data signal; and an edge detection circuit configured to generate a phase control signal based on the first sample signal and the second sample signal and output the phase control signal in a period in which the second sample signal is output from the sampling latch circuit.
US10924114B2 Skew compensation circuit and semiconductor apparatus including the same
A skew compensation circuit includes a skew detection circuit configured to generate skew detection signals by detecting a skew characteristic of a basic logic element constituting a semiconductor apparatus, a skew compensation signal generation circuit configured to generate a skew compensation signal by comparing the skew detection signals and a plurality of reference voltages, a variable delay circuit configured to generate a compensation signal by delaying an input signal by a delay time varied according to the skew compensation signal, and a reference voltage generation circuit configured to generate the plurality of reference voltages of which offset components are compensated for according to variations of a temperature and an external voltage.
US10924109B2 Front-end circuit
A front-end circuit includes a first filter on a path connecting a common terminal and a first input/output terminal, a second filter on a path connecting the common terminal and a second input/output terminal, and a first switch on the path connecting the common terminal and the first input/output terminal. The first switch receives at least one of a first control signal and a second control signal. The first control signal increases a difference between a first voltage applied to the first switch to turn the first switch to a non-conductive state and a threshold voltage determining whether or not the first switch is turned to a conductive state. The second control signal increases a difference between a second voltage applied to the first switch to turn the first switch to the conductive state and the threshold voltage.
US10924102B2 Method for driving a transistor device and electronic circuit
Disclosed is a method for driving a transistor device and an electronic circuit. The method includes: in an on-state of the transistor device (1), reducing a drive voltage (VGS) of the transistor device (1) from a maximum voltage level (VMAX) to an intermediate voltage level (VINT) that is higher than a threshold voltage level (VTH) of the transistor device (1); maintaining the intermediate voltage level (VINT) for a predefined time period (TINT); and reducing the drive voltage (VGS) to below the threshold voltage level (VTH) after the predefined time period (TINT) to switch the transistor device to an off-state.
US10924100B2 Method of operating H-bridge circuits and corresponding driver device
An H-bridge circuit includes a supply voltage node, a first pair of transistors and a second pair of transistors. First transistors in each pair have the current paths therethrough included in current flow lines between the supply node and, respectively, a first output node and a second output node. Second transistors in each pair have the current paths therethrough coupled to a third output node and a fourth output node, respectively. The first and third output nodes are mutually isolated from each other and the second and fourth output nodes are mutually isolated from each other. The H-bridge circuit is operable in a selected one of a first, second and third mode.
US10924095B1 Multi-resonant coupling architectures for ZZ interaction reduction
Systems and techniques that facilitate multi-resonant couplers for preserving ZX interaction while reducing ZZ interaction are provided. In various embodiments, a first qubit can have a first operational frequency and a second qubit can have a second operational frequency, and a multi-resonant architecture can couple the first qubit to the second qubit. In various embodiments, the multi-resonant architecture can comprise a first resonator and a second resonator. In various cases, the first resonator can capacitively couple the first qubit to the second qubit, and a second resonator can capacitively couple the first qubit to the second qubit. In various aspects, the first resonator and the second resonator can be in parallel. In various instances, the first resonator can have a first resonant frequency less than the first operational frequency and the second operational frequency, and the second resonator can have a second resonant frequency greater than the first operational frequency and the second operational frequency. In various other embodiments, the multi-resonant architecture can comprise a resonator, a first end of which can be capacitively coupled to the first qubit and to the second qubit, and a second end of which can be coupled to ground. In various instances, the resonator can have a first harmonic less than the first operational frequency and the second operational frequency, and can have a second harmonic greater than the first operational frequency and the second operational frequency. In various other embodiments, the multi-resonant architecture can comprise a resonator and a direct coupler. In various embodiments, the resonator and the direct coupler can both capacitively couple the first qubit to the second qubit, and the resonator and the direct coupler can be in parallel. In various cases, the direct coupler can couple opposite pads of the first qubit and the second qubit. In various embodiments, a first end of the resonator can be capacitively coupled to the first qubit and the second qubit, a second end of the resonator can be coupled to ground, and the direct coupler can capacitively couple common pads of the first qubit and the second qubit.
US10924093B1 Integrated circuit with finFETs having dummy structures
A circuit includes a plurality of voltage supply terminals including a lowest voltage supply terminal, an N-type finFET, and a current path electrically coupled to the lowest voltage supply terminal, where the N-type finFET transistor is located in the current path. The N-type finFET transistor includes at least one semiconductor fin, a gate structure made of a gate material located over the at least one fin, an end structure of the gate material located over an end of the at least one fin, a source electrode, and a drain electrode. The at least one fin is located over a well region, and the end structure is electrically tied to the well region, in which the well region is not electrically tied to the lowest voltage supply terminal.
US10924087B2 Method and apparatus for adaptive signal processing
A method for adaptive signal processing is provided. In the method, a second vector is obtained by initializing a first vector without regularization of a cost function. The cost function is regularized with the first vector and the second vector as variables. The first vector is updated based on an input signal, according to the regularized cost function. Then, an output signal is provided based on the updated first vector. The second vector is updated based on the update of the first vector. An apparatus for adaptive signal processing is provided accordingly. The method and the apparatus are well compatible with existing adaptive signal processing. The convergence coefficients of the adaptive filter system become more stable. Moreover, impact of an extra penalty added to the cost function on a bias can be minimized, and the increased complexity of the system is very limited.
US10924081B2 Substrate for a temperature-compensated surface acoustic wave device or volume acoustic wave device
A substrate for a surface acoustic wave device or bulk acoustic wave device, comprising a support substrate and an piezoelectric layer on the support substrate, wherein the support substrate comprises a semiconductor layer on a stiffening substrate having a coefficient of thermal expansion that is closer to the coefficient of thermal expansion of the material of the piezoelectric layer than that of silicon, the semiconductor layer being arranged between the piezoelectric layer and the stiffening substrate.
US10924078B2 Inversion of dynamic range control
The present disclosure relates to a method of determining parameters for use by a first dynamic range control, DRC, model. The method comprises feeding a first audio signal to a second DRC model and receiving a second audio signal from the second DRC model, the second audio signal being a dynamic range controlled version of the first audio signal, rule-based selecting one or more pairs of samples of the first audio signal and corresponding samples of the second audio signal, and determining parameters of a first set of parameters among the parameters for use by the first DRC model based on the one or more selected pairs of samples. The present disclosure further relates to a method of reversing DRC of a dynamic range controlled audio signal and to a method of declipping a clipped audio signal that has been clipped by a DRC model. The present disclosure yet further relates to corresponding apparatus and computer-readable media.
US10924077B2 Low complexity loudness equalization
An electronic device to equalize sound includes a microphone coupled to receive the sound and output sound data. The sound has amplitude that changes with respect to time, and the sound includes one or more frequencies. The sound data indexes the amplitude with respect to the time. The electronic device also includes a controller coupled to microphone, and the controller includes logic that when executed by the controller causes the electronic device to perform operations. The operations may include: receiving the sound data from the microphone with the controller; adjusting the amplitude of the sound included in the sound data across the one or more frequencies using a filter disposed in the logic; and outputting filtered sound data.
US10924076B2 Active distributed mode actuator
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for changing a distributed mode loudspeaker's fundamental frequency. One of the systems includes a distributed mode loudspeaker comprising an actuator that includes: a supported portion, and a cantilevered portion having a length, a first fundamental frequency, and adapted to create a force to cause vibration of a load to generate sound waves using the first fundamental frequency; a support element connected to the supported portion of the actuator and adapted to adjust, based on a change to a shape of the support element, a size of the length of the cantilevered portion to change the first fundamental frequency to a second fundamental frequency with which the load will generate sound waves; and a frequency selection module that provides a signal to the support element to cause the support element to change shape.
US10924074B2 Slew boost circuit for an operational amplifier
A differential input stage of a circuit includes a first transistor, a second transistor, a third transistor, and a fourth transistor. Drains of the first and third transistors couple together at a first node, and drains of the second and fourth transistors couple together at a second node. A first slew boost circuit includes a fifth transistor and a first current mirror. A gate of the fifth transistor couples to the second node. A source of the fifth transistor couples to the first node. The first current mirror couples to the fifth transistor and to the second node. A second slew boost circuit includes a sixth transistor and a second current mirror. A gate of the sixth transistor couples to the first node. A source of the sixth transistor couples to the second node. The second current mirror couples to the sixth transistor and to the first node.
US10924068B2 Digital predistortion calibration
A method for digital predistortion (DPD) calibration in a wireless communication device is provided that includes transmitting, by transmission circuitry of the wireless communication device, a plurality of pulses, where each pulse corresponds to an amplitude step in a pattern of amplitude steps, where the amplitude steps are separated by silence gaps, receiving each pulse in receiver circuitry of the wireless communication device, generating, by an accumulator component of the wireless communication device, an accumulated sample for each pulse based on a plurality of samples output by the receiver circuitry for the pulse, and computing, by a processor of the wireless communication device, amplitude dependent gain (AM/AM) and amplitude dependent phase shift (AM/PM) values for each accumulated sample.
US10924067B2 Power amplifier circuit
A power amplifier circuit includes an amplifier transistor, a bias circuit that supplies a bias current or voltage to the amplifier transistor, and a resistance element connected between a base of the amplifier transistor and the bias circuit. The bias circuit includes a voltage generation circuit, a first transistor having a base to which a first direct-current voltage is supplied and an emitter from which the bias current or voltage is supplied, a second transistor having a base to which a second direct-current voltage is supplied and an emitter connected to the emitter of the first transistor, a signal supply circuit that supplies an input signal to the base of the second transistor, and an impedance circuit disposed between the base of the first transistor and the base of the second transistor.
US10924066B2 Offset voltage trimming for operational amplifiers
An operational amplifier is disclosed. The operational amplifier activates/couples either a first or a second differential pair of transistors to an input based on the input voltage. The first and second pair of transistors are each biased with a current having a first portion that is constant with temperature and a second portion that is proportional to temperature. By adjusting the ratios of the first and second portions, the transconductance of each differential pair may be made relatively constant with temperature. Each differential pair is coupled to a trim current source that is adjusted to reduce the voltage offset at each output. The resulting voltage offset for the operational amplifier is relatively constant over a range of input voltages and has temperature coefficient unaffected by the trimming process.
US10924064B2 Bias circuit
Included are: a first power source 3 configured to output a voltage required for a first gate bias voltage for turning a power amplifier 2 to an ON state; a second power source 4 configured to output a voltage required for a second gate bias voltage for turning the power amplifier 2 to an OFF state; a changeover switch 5 connected between the first power source 3 and the power amplifier 2 and configured to supply either the first gate bias voltage or the second gate bias voltage to the power amplifier 2 by switching a state between the first power source 3 and the power amplifier 2 to either an open state or a short-circuit state on the basis of a control signal related to on-off control of the power amplifier 2; and a resistance value varying unit 15 connected between the second power source 4 and the power amplifier 2 and configured such that a resistance value thereof is variable.
US10924063B2 Coupling a bias circuit to an amplifier using an adaptive coupling arrangement
Bias networks for amplifiers are disclosed. An example bias network includes an adaptive bias circuit, configured to generate a bias signal for an amplifier, and further includes a coupling circuit, configured to couple the adaptive bias circuit to the amplifier. The coupling circuit is made adaptive in that its' impedance depends on a power level of an input signal to be amplified by the amplifier. By configuring the coupling circuit to have a variable impedance that depends on the power level of the input signal, the coupling circuit may adapt to the input power level and, thereby, may modify the bias signal to reduce/optimize at least some of the nonlinearity that may be introduced to the bias signal by the adaptive bias circuit.
US10924062B2 Power amplifying apparatus having bias boosting structure with improved linearity
A power amplifying apparatus includes a first bias circuit configured to generate a first bias current by adding a boost current to a base bias current generated from a reference current, a first amplification circuit configured to receive the first bias current and amplify a signal input through an input terminal of the first amplification unit to output a first amplified signal, and a bias boosting circuit configured to generate the boost current, based on a magnitude of a harmonic component in the amplified signal output from the first amplification circuit.
US10924061B1 Low-noise low-emission crystal oscillator and method thereof
A crystal oscillator includes an inverter configured to receive a first voltage at a first node and output a second voltage at a second node, a stacked-diode feedback network inserted between the first node and the second node, a waveform shaper configured to couple the second node to a third node in accordance with the first voltage, a crystal inserted between a fourth node and a fifth node, wherein the fourth node is coupled to the third node, and the fifth node is coupled to the first node, a first shunt capacitor inserted between the fourth node and a ground node, and a second shunt capacitor inserted between the fifth node to and the ground node.
US10924055B2 Motor drive apparatus having input power supply voltage adjustment function
A motor drive apparatus includes an AC stabilized power supply configured to convert AC voltage of a commercial AC power source into input power supply voltage according to a received voltage command value and output the input power supply voltage, a converter configured to convert the input power supply voltage into DC voltage and output the DC voltage to a DC link, an inverter configured to convert the DC voltage at the DC link into AC voltage for driving a motor, and an input power supply voltage control unit configured to control the input power supply voltage that is output by the AC stabilized power supply.
US10924048B2 Inverter control device, motor drive device, and electric power steering apparatus
An inverter control device including at least first and second inverters includes: a current detector that detects a current flowing through a main circuit of the first inverter; a current controller that generates a voltage command value of the first inverter on the basis of a detected current and a current command; and a voltage command predictor that generates a voltage command value of the second inverter on the basis of a variation of the voltage command value of the first inverter.
US10924046B2 Motor driven power steering apparatus and control method therefor
A motor driven power steering apparatus includes a steering logic unit for generating a current command to operate a drive motor according to a driving condition of a vehicle, a motor speed sensor for sensing a rotation condition of the drive motor to output a motor speed, a motor control unit for receiving the current command and the motor speed from the steering logic unit and the motor speed sensor, respectively, and calculating an output voltage from a voltage table according to current-speed based on the current command and the motor speed to output a voltage command to operate the drive motor, a coordinate conversion unit for converting the two-phase voltage command outputted from the motor control unit into a three-phase voltage, and a motor driving unit for outputting the three-phase voltage converted from the coordinate conversion unit to the drive motor as a PWM voltage.
US10924044B2 Feed-forward control system and method for genset quick cold start
A method of reducing cold startup time of a genset which includes an engine and a generator for providing a requested power to a utility grid or load comprises determining if the generator is electrically coupled to a utility grid or load. In response to determining the generator is electrically coupled to the utility grid or load, a speed bias value is controlled in response to the power being produced by the genset. The speed bias signal represents a difference between a target power output and a current power output of the genset. The power of the engine is controlled using the speed bias value.
US10924043B2 Generator set exercising system
Systems and apparatuses include a control unit structured to communicate with a first generator set, a second generator set, and a third generator set, operate the first generator set as an output generator in an exercise mode, and operate the second generator set and the third generator set as load generators in the exercise mode to use electrical power produced by the first generator set. The second generator set uses a second genset portion of the electrical power and the third generator set uses a third genset portion of the electrical power.
US10924041B2 Motor drive system including power storage device
A motor drive system includes a converter configured to convert power between AC power in a power source and DC power in a DC link, an inverter for drive configured to convert power between the DC power and AC power in a servomotor for drive, a motor control unit for drive configured to control the servomotor for drive, a power storage device configured to store the DC power from the DC link or supplies the DC power to the DC link, and a determination unit configured to determine whether the holding energy of the power storage device is lower than a threshold for energy shortage determination, wherein when the holding energy is lower than the threshold for energy shortage determination, the motor control unit for drive controls the servomotor for drive by setting an additional standby period in which the servomotor for drive is inactive in a predetermined operation pattern.
US10924040B2 Operational mode control of a motor
One example is a system for controlling a motor during startup. The system includes measurement logic, pattern detection logic, and mode logic. The measurement logic monitors a back-electromotive force (BEMF) signal representing a BEMF of an electric motor and the pattern detection logic monitors this signal to detect instances of the monitored BEMF signal exhibiting a predetermined pattern. The mode logic enables control of the electric motor according to a plurality of modes of control. In some examples, the mode logic initially employs a first mode of control and switches from the first mode of control to a second mode of control in response to the pattern detection logic detecting that a BEMF signal exhibits the predetermined pattern over a plurality of commutation states.
US10924037B2 Vibration motor that prevents resonance of contact member, and electronic apparatus
A small-sized vibration motor. The vibration motor includes a vibrator having a piezoelectric element, a contact member brought into friction contact with the vibrator, and a fixing member to which the contact member is fixed. The vibrator and the contact member are moved relative to each other in a driving direction by high-frequency vibration of the piezoelectric element. The contact member includes a sliding portion brought into friction contact with the vibrator when the vibrator and the contact member are moved relative to each other in the driving direction, and fixed portions via which the contact member is fixed to the fixing member. The fixed portions are formed at respective locations alongside the sliding portion in a second predetermined direction orthogonal to the first predetermined direction, and also inward of opposite ends of the contact member in the first predetermined direction.
US10924036B2 Power generation device and a power generation method
The invention provides a power generation device comprising at least two generating arrangements, each adapted to generate a voltage output through the relative motion of two differently charged generating elements, the generating elements having some separation distance (which may be zero or non-zero). The arrangements are co-operatively configured in such a way that the separation distances between their respective elements are reciprocally related: an increase in one leads to a related decrease in the other. By combining these two signal outputs, a single voltage, current or power output may be provided in a self-regulating manner by the device whose amplitude is substantially independent of any changes or variations in the separation distance between elements of either of the two arrangements.
US10924035B2 Power conversion device
A power conversion device includes a power converter connected to an electrical storage device that stores DC power, and having a function to convert the DC power stored in the electrical storage device into AC power, and also having a function to output the AC power to one or both of a customer load and a power system; a detection unit that detects voltage and current at a first point on a power line that connects the power converter with the power system; and a control unit that generates a drive command for controlling the power converter based on the voltage and the current detected by the detection unit. The customer load is connected to a second point, on the power line, between the power converter and the first point. The power converter operates on the basis of the drive command generated by the control unit.
US10924034B2 Method for controlling a converter, control device for a converter and converter
The invention relates to the controlling of a rectifier with multiple electrical phases. In at least one electrical phase, the duty cycles are merged with one another in two consecutive cycles of the pulse-width modulated controlling, i.e. in a first PWM-pulse, the duty cycle is shifted to the end of the PWM-pulse, and in a subsequent PWM-pulse, the duty cycle is shifted to the start of the PWM-pulse. As a result, there must be no switching process between two consecutive PWM-pulses. In this way, the switching losses and consequently the rise in temperature of the rectifier can be minimised.
US10924033B2 Method of operating an inverter for emitter shunt current measurement and inverter
A method operates an inverter by driving respective switching means of the bridge arms using pulse width modulation with a temporally changeable duty cycle such that voltages between the bridge connections have a temporally predefined profile. The respective switching means of the bridge arms are driven with flat-top modulation for particular angular ranges of a respective fundamental oscillation. A respective duty cycle for the respective switching means of the bridge arms is selected such that, during a respective period of the pulse width modulation, at least two shunt resistors always perform their measurement function for a minimum time.
US10924031B2 Internal paralleled active neutral point clamped converter with logic-based flying capacitor voltage balancing
An internal parallelization based active neutral point clamped (IP-ANPC) converter is provided having a low switching frequency (LSF) part and a plurality of high switching frequency (HSF) modules. The HSF modules are connected in parallel and the converter is modular. The converter provides the benefits of modularity, improved reliability and efficiency, interleaving operation, and reasonable utilization of wide band gap (WBG) devices. A logic based flying capacitor voltage balancing scheme is also provided. The balancing scheme includes naturally balancing the voltage of the converter with phase shift pulse width modulation and redundantly balancing the voltage of the converter with redundant switching states.
US10924025B2 Regenerative cascaded H bridge power supply
For a power supply with a reduced number of semiconductor devices, a transformer receives a three-phase primary voltage and steps the three-phase primary voltage up or down to a secondary voltage with a plurality of secondary winding sets to a plurality of first phase voltages, a plurality of second phase voltages, and a plurality of third phase voltages. A plurality of power cell sets each include a plurality of power cells cascaded connected. Each power cell comprises a rectifier and an inverter. The rectifier includes two first active switches that are serially connected and receive a phase voltage at a first switch midpoint, two second active switches that are serially connected and receive another phase voltage at a second switch midpoint, and two capacitors that are serially connected and receive another phase voltage at a capacitor midpoint between the capacitors.
US10924023B2 Control circuit having power limit for an AC-DC converter and integrated circuits thereof
A control circuit having power limit for controlling an AC-DC voltage converter. The control circuit includes a first sensing circuit having an auxiliary winding used to sense a voltage on an inductive element of the converter to generate a first sensing signal, a second sensing circuit used to sense the current flowing through the inductive element to provide a second sensing signal, and a power limit circuit. The power limit circuit generates a power indication signal indicative of the input power of the converter based on the first sensing signal and the second sensing signal. When the power indication signal is larger than a power threshold, a controllable switch of the converter is turned off.
US10924022B2 Quasiresonant flyback converter
A flyback converter having a transformer that includes a primary coil connected to the input terminal and a secondary coil, a semiconductor switch configured to switch current flow through the primary coil, a first measurement unit configured to measure the DC input voltage, and a second measurement unit configured to measure a voltage across the semiconductor switch. The flyback converter also includes a control unit having a synchronization terminal and configured to output a switching signal to the semiconductor switch with a constant frequency in accordance with a synchronization signal input to the synchronization terminal. In addition, the flyback converter includes a frequency adjustment unit configured to transmit a synchronization signal to the synchronization terminal based on the DC input voltage and the voltage measured by the second measurement unit such that the frequency of the switching signal output from the control unit becomes variable.
US10924020B1 Prestart control circuit for a switching power converter
The present invention provides a prestart control circuit that measures a reflected voltage on the primary side of a switching power converter. The prestart control circuit pulses the synchronous rectifier switch OPEN and CLOSED, which allows a measurement of the reflected voltage on the primary side of the switching power converter. The reflected voltage is proportionate to the output voltage of the switching power converter. The prestart control circuit uses the reflected voltage to establish the initial duty cycle of the switching power converter. The switching power converter may be any converter that includes a synchronous rectifier, such as a flyback converter or a forward converter, in a single-ended, double-ended and/or multi-phased configuration.
US10924018B2 Tracking energy consumption using a boost-buck technique
The invention relates to an apparatus and method for tracking energy consumption. An energy tracking system comprises at least one switching element, at least one inductor and a control block to keep the output voltage at a pre-selected level. The switching elements are configured to apply the source of energy to the inductors. The control block compares the output voltage of the energy tracking system to a reference value and controls the switching of the switched elements in order to transfer energy for the primary voltage into a secondary voltage at the output of the energy tracking system. The electronic device further comprises an ON-time and OFF-time generator and an accumulator wherein the control block is coupled to receive a signal from the ON-time and OFF-time generator and generates switching signals for the at least one switching element in the form of ON-time pulses with a constant width ON-time.
US10924015B2 Methods, apparatus, and systems for current sensing in valley current-controlled boost converters
Methods, systems, and apparatus to facilitate current sensing for valley current-controlled power converters are disclosed. An example apparatus includes a comparator including a first terminal, a second terminal, and an output. The apparatus further includes a first transistor including a first drain coupled to the first terminal of the comparator. The apparatus further includes a second transistor including a second drain coupled to the first terminal of the comparator. The apparatus further includes a third transistor including a third drain coupled to the second terminal of the comparator.
US10924014B2 Switching regulator controller dynamic output voltage adjustment
A controller for a switching regulator includes an error amplifier configured to receive a feedback voltage indicative of the regulated output voltage and a reference voltage, and to generate an error signal indicative of the difference between the feedback voltage and the reference voltage; a loop calculator configured to generate an output signal in response to the error signal, the output signal being used by the switching regulator to generate the regulated output voltage having a voltage value related to the reference voltage; and an output voltage adjust circuit configured to receive a sense current signal indicative of a current flowing through the load and to generate a voltage adjust signal in response to the sense current signal, the voltage adjust signal being applied to generate the reference voltage relative to a predetermined set voltage.
US10924011B2 Chip embedded power converters
A direct current to direct current (DC-DC) converter can include a chip embedded integrated circuit (IC), one or more switches, and an inductor. The IC can be embedded in a PCB. The IC can include driver, switches, and PWM controller. The IC and/or switches can include eGaN. The inductor can be stacked above the IC and/or switches, reducing an overall footprint. One or more capacitors can also be stacked above the IC and/or switches. Vias can couple the inductor and/or capacitors to the IC (e.g., to the switches). The DC-DC converter can offer better transient performance, have lower ripples, or use fewer capacitors. Parasitic effects that prevent efficient, higher switching speeds are reduced. The inductor size and overall footprint can be reduced. Multiple inductor arrangements can improve performance. Various feedback systems can be used, such as a ripple generator in a constant on or off time modulation circuit.
US10924010B2 Control circuit and control method for switching regulator and switching regulator with the same
A control circuit for a switching regulator can include: an ON signal generator that generates an ON signal; an OFF signal generator that generates a first control signal according to an input voltage and an output voltage of the switching regulator; an on time regulator that generates an adjustment signal according to a switching signal and the first control signal; and a logic circuit configured to generate an off signal according to the first control signal, and to generate the switching signal according to the ON signal and the OFF signal, where the on time of the first switch is regulated according to the off time of the first switch when the off time of the first switch is less than the reference time, in order to regulate a duty cycle of the switching signal.
US10924009B2 System and method for controlling switching power supply
A method includes converting an input signal into an output signal in response to a modulation signal, generating a timeout signal in response to the modulation signal, generating a comparison signal according to the output signal, determining whether the comparison signal is equal to or greater than a sense signal, determining whether the timeout signal has a first logic value, and causing the modulation signal to have the first logic value when the comparison signal is equal to or greater than the sense signal and the timeout signal has the first logic value. A switching power supply circuit includes a power converter, a timer circuit generating the timeout signal, and a controller causing the modulation signal to have the first logic value when the comparison signal is equal to or greater than the sense signal and the timeout signal has the first logic value.
US10924007B2 Power supply device and method for controlling the multi-phase interleaving operation of the power supply device
Multi-phase interleaving control in a power supply device is accelerated. In addition, in accelerating the multi-phase interleaving control in the power supply device, acceleration in detecting a feedback signal and stabilization of a control system in a high-frequency band are promoted. Eliminating the need of the feedback signal according to a slow response detector, and using a detection signal obtained by a detector for detecting an AC signal capable of rapid response, thereby accelerating the multi-phase interleaving control in the power supply device. Then, the control system is stabilized, by satisfying a condition where gain is equal to 1 or less in a transfer function of the control system including an LC circuit, and a condition where a phase shift caused by dead time of switching time does not affect the sampling cycle.
US10924000B2 DC-DC converter with reduced ripple
A DC/DC converter is provided which can be produce easily and inexpensively with an alternating current component with which a superimposed direct current is reduced in an output voltage (ripple). A C+DC/DC converter includes an input and output, a series arm which is arranged between the input and the output and in which at least one first inductor and first capacitor are arranged, and a capacitor arranged in a first shunt arm at the output. A second shunt arm arranged parallel to the first shunt arm is equipped with a first switch and a second switch arranged in series and a second inductor such that the first connection of the inductor is connected to a point between the first inductor and the first capacitor and the second connection of the inductor is connected to a point between the first and the second switch.
US10923994B2 Method for producing lamellae for a lamellae package, in particular for electrical machines and generators, device having at least one punch press, and lamellae and lamellae package produced according to the method
The invention relates to a method for producing lamellae for a lamellae package, wherein the lamellae are punched from a metal strip by at least one punching die. At least one part of the contour of the lamella is produced by stream cutting. The method is carried out such that the lamella is still held in the metal strip. The lamella is punched out of the metal strip by the punching die. The stream cutting results in clean cutting edges, which do not require reworking of the lamella. The device for carrying out the method according to the invention has a stream cutting unit upstream of the punching press which has at least one stream cutting head. A wide variety of lamella contours can be cut out of the metal strip with high accuracy using said stream cutting unit.
US10923992B2 Drive device and electric power steering device using same
A drive device for use in a vehicle includes a motor, a substrate, and at least one inter-system ground connection capacitor. The motor includes a plurality of motor windings within one housing. Multiple inverters are mounted on the substrate. Each inverter is connected to a different battery and a different ground to form a system, where each of the motor windings is associated with its own system. The inter-system ground connection capacitor is mounted on the substrate, and electrically connects the grounds of the systems together to reduce electrical noise propagated outside the drive device to other parts in the vehicle.
US10923991B2 Electric machine thermal management
A temperature sensor assembly for an electric machine includes an elongated housing including an anchor portion, a temperature sensor disposed in the anchor portion, and a retention body extending from the elongated housing opposite the anchor portion and including spaced apart retention arms. The temperature sensor assembly further includes a wire guide extending from the retention body and extending along a retention arm away from the elongated housing, and a lead wire extending from the temperature sensor and through the wire guide.
US10923990B2 External unit and motor
In accordance with one aspect of the present disclosure, an external unit used by being mounted on a bottom part of a motor body having at least two motor terminals has a holder, a PTC thermistor arranged on the holder, a first terminal connected to the PTC thermistor, a part of the first terminal exposed to an outside of the holder, and a second terminal electrically connected to the first terminal through the PTC thermistor and electrically connected to one of the motor terminals. The PTC thermistor is flat-plate shaped, and a surface of the PTC thermistor is directed toward a rotary shaft direction of the motor.
US10923986B2 Magnetic anti-lock device
A magnetic anti-lock device for a rotating shaft is described. The magnetic anti-lock device utilizes opposing magnets to reduce the varying force required to rotate the shaft and increases efficiency of the rotating shaft. The magnetic anti-lock device includes at least one inner magnet attached to the rotating shaft, and at least one outer magnet fixed in position relative to the rotating shaft. The inner magnet passes the outer magnet each time the shaft rotates creating a repulsive force to reduce the force necessary to rotate the shaft.
US10923981B2 Motor
A motor includes a rotor including a shaft centered on a vertically extending center axis, a stator radially opposite to the rotor and including coils, a bearing supporting the shaft, and a bus bar unit on an upper side in an axial direction of the stator. The bus bar unit includes bus bars including a terminal portion connected to a lead wire drawn out from the coil and a bus bar holder holding the bus bars. The terminal portion includes a slit which extends axially downward and into which the lead wire is fitted. The width of the slit is narrower than the diameter of the lead wire.
US10923976B2 Rotor of rotating electrical machine and associated fabrication process
The present invention relates to a rotor (1) of a rotary electric machine, comprising: a body (3) comprising a cylindrical central core (5) and a circumferential plurality of arms (B1 . . . B18) extending radially out from the cylindrical central core (5), the body (3) being intended to be mounted with the ability to move about an axis of rotation X, a coilset produced by windings of turns and forming at least one series of coils (C1 . . . C9, C1′ . . . C9′, C1″ . . . C9″, C1′″ . . . C9′″), a coil (C1 . . . C9, C1′ . . . C9′, C1″ . . . C9″, C1′″ . . . C9′″) comprising a predetermined number of turns around at least two arms (B1 . . . B18) of the body, two adjacent coils (C1 . . . C9, C1′ . . . C9′, C1″ . . . C9″, C1′″ . . . C9′″) of a series being angularly offset from one another with a partial overlap, in which the rotor (1) comprises at least one additional retaining loop (S1, S1′, S2, S2′) wound around at least two arms (B1 . . . B18) of which at least one is common to the arms (B1 . . . B18) around which is wound the last coil (C9, C9′, C9″, C9″), situated radially outermost, of at least one series and of which at least one is distinct from the arms around which the said last coil (C9, C9′, C9″, C9′″) is wound, so that the at least one additional retaining loop (S1, S1′, S2, S2′) partially overlaps the turns of the said last coil (C9, C9′, C9″, C9′″).
US10923975B2 Laminated rotor with improved magnet adhesion and method of fabricating
A moisture resistant rotor sleeve includes a plurality of stacked laminations forming a sleeve having an outer periphery, an inner periphery, and spaces between adjacent laminations. The rotor sleeve also includes a sealant coupled to the inner periphery such that the outer periphery is free of sealant. The sealant seals the spaces to prevent fluid from traveling through the spaces of the sleeve between the inner periphery and the outer periphery.
US10923971B2 Stator, method of manufacturing stator, motor, and air conditioning apparatus
A stator includes a stator core having a first tooth and a second tooth adjacent to each other, a coil having a first winding portion wound around the first tooth and a second winding portion wound around the second tooth, a spacer inserted into a gap between the first winding portion and the second winding portion, and a molding resin covering the stator core, the coil, and the spacer. The spacer is shaped from a plastic material identical with a plastic material of which the molding resin is composed.
US10923970B2 Rotary electric machine having magnetic flux supplied from a field coil
A brushless winding field type rotary electric machine between a starting device and a stationary case, having a stator held in the case and internally equipped with an AC coil generating a rotating magnetic field by an AC current; a field core held in the case and internally equipped with a field coil excited by a DC current; a rotor disposed around the starting device outer periphery and rotatable with respect to the stator and the field coil; a first air gap formed between the stator and the rotor, delivering a magnetic flux between the two; a second air gap formed between the field core and the rotor, delivering a magnetic flux between the two. The second air gap has an inclined section inclined with respect to a rotation shaft axial direction so that the rotor radially outer portion is positioned on the radially outer side than the field core.
US10923969B2 Molded core assemblies for a motor-generator
Systems, methods and motor-generators with preform windings and a molded core are described. The preform windings include a first end, a second end, and a plurality of in-slot portions extending from the first end to the second end. The molded core includes a plurality of slots. Each of the plurality of slots including a respective in-slot portion disposed therein. Each of the plurality of slots includes a wall conforming to an outer profile of the respective in-slot portion.
US10923967B2 System and a method for determining a relative position and/or orientation between a primary and a secondary winding structure
The invention relates to a system for determining a relative position and/or orientation between a primary winding structure and a secondary winding structure of a system for inductive power transfer. The system includes at least one secondary-sided transmitting unit, wherein a positioning signal with a positioning frequency is transmittable by the secondary-sided transmitting unit. The system includes at least one primary-sided receiving unit. A signal portion of the received signal with the positioning frequency is determinable. The relative position and/or orientation is determinable depending on the determined signal portion. The invention relates to a method for determining a relative position and/or orientation between a primary winding structure and a secondary winding structure of a system for inductive power transfer.
US10923966B2 Coil structures for alignment and inductive wireless power transfer
In one embodiment, a coil structure for wireless power transfer comprises a ferrite core and at least two coils wound around the ferrite core, the at least two coils located symmetrically about a geometric center of the ferrite core, the at least two coils wound in such a way that when a first current flows in a first spatial direction in one of the at least two coils a second current flows in a second spatial direction in the other one of the at least two coils. In one embodiment, the coil structure is implemented in a wireless power receiver to receive power from a wireless power transmitter or to guide alignment of the receiver to the transmitter. In another embodiment, the coil structure is implemented in a wireless power transmitter to produce a magnetic field for wireless power transfer.
US10923958B2 Power transmitter, resonance-type contactless power supply and control method thereof
The present disclosure relates to a power transmitter, a resonance-type contactless power supply and a control method. The inverter circuit is controlled to provide a high-frequency AC current with a voltage strength parameter so that a current strength parameter (e.g., a peak value or an effective value of the current) of the AC current flowing through a transmitting coil and that through a receiving coil have a predetermined relationship. Thus, an equivalent load impedance is adjusted so that the system efficiency is optimized.
US10923949B2 Wireless power supply device and electrical equipment
A wireless power supply device comprising a plurality of transmitting coil assemblies mounted at a plurality of different positions of an electrical equipment, a plurality of control switches disposed at the plurality of different positions and configured to switch on and off the transmitting coil assemblies, and a single receiving coil assembly mounted on a carrier of the electrical equipment. The transmitting coil assembly mounted at one position of the plurality of different positions is disconnected by switching off the control switch provided at the one position before the carrier is mounted at one position, and is connected by switching on the control switch provided at the one position after the carrier is mounted at the one position, such that the single receiving coil assembly is electromagnetically coupled with the transmitting coil assembly at the one position.
US10923947B2 Direct current uninterruptible power supply with cloud server and related methods
A UPS system may include a DC UPS having first DC outputs coupled to a first switch and configured to provide a battery DC power signal or a first DC power signal to corresponding first loads, first load controllers each coupled between respective ones of the first DC outputs and the first switch, and a controller coupled to the first switch and a second switch, and the first load controllers. The controller may be configured to switch between a first mode where the first DC power signal is supplied to the first load controllers, and a second mode where the battery DC power signal is supplied to the first load controllers. The UPS system may include a cloud application server in communication with the DC UPS and configured to cause the controller to disable and enable the first load controllers.
US10923945B2 Mark and hold system and method
A mark and hold system comprising a main power supply, a mark voltage power supply and a detection current source. After detection, and optionally classification, the main power supply is disconnected from the PD and instead the PD is connected to the mark voltage power supply. The detection current source draws current through a port resistance of the PSE and the PD. The voltage across the port resistance is monitored to determine whether the PD is still connected to the port.
US10923943B2 Battery powered device with pre-powered circuit
A battery powered device includes a battery pack, at least one switch, a power management chip, and a pre-powered circuit. The pre-powered circuit comprises a buck and current-limiting module. The buck and current-limiting module comprises at least one zener diode and at least one current-limiting resistor. When the switch is turned off, the battery pack will be powered to a system device by the pre-powered circuit. Thus, the battery pack can be powered to the system device by the pre-powered circuit even if the battery powered device is operated in a standby mode. Besides, the power management chip can be operated in the standby state when the battery powered device is powered by the pre-powered circuit, so as to reduce the consumption of the battery energy and therefore extend the powered time of the battery powered device.
US10923937B2 Charging system for eco-friendly vehicle and charge control method using the same
A charging system for an eco-friendly vehicle is provided. The system includes a power supply unit that provides power for charging an automotive battery and a charging unit including a motor and an inverter connected with the motor, and that charges the battery by being supplied with power from the power supply unit. One or more relays connect the power supply unit and the battery to each other and a controller moves a rotor of the motor to a predetermined reference position before charging the battery.
US10923931B2 Information handling system with sensor activated battery charge level indicator
An information handling system includes an motion sensor, an embedded controller, and a battery charge indicator. The motion sensor detects a battery charge request, and provides a trigger signal in response to the battery charge request being detected. The embedded controller receives the trigger signal from the motion sensor, and requests a relative state of charge of a battery in response to the trigger signal. The embedded controller then receives the relative state of charge of the battery, and provides a relative state of charge indication signal. The battery charge indicator receives the relative state of charge indication signal, and outputs an indication of the relative state of charge of the battery based on relative state of charge indication signal.
US10923926B2 Connector-based high-voltage lockout function
An electrical system includes a high-voltage bus connected to a rechargeable energy storage system (RESS) and a high-voltage component connected to the RESS via the voltage bus. The component defines a service opening spanned by a removable cover. The electrical system may include a fastener connecting the cover to the component, as well as a battery disconnect unit (BDU) having a high-voltage switch device connecting the RESS to the high-voltage bus. The switch device closes responsive to a low-voltage drive current to connect the RESS to the high-voltage bus. A drive circuit conducts the current to the switch device. An electrical connector has multiple connector pieces collectively forming a switch in the drive circuit. Disconnection of the pieces from each other opens the switch to interrupt the drive current and cause the high-voltage switch device to open, which disconnects the RESS from the high-voltage bus.
US10923919B2 Method and apparatus for controlling power flow in a hybrid power system
A power control system for managing energy transfer includes a shared electrical bus including an electrical energy generating source, an electrical energy storage device, and an electrical load, each connected to the shared electrical bus; and a controller operable to execute a plurality of instructions stored in a non-transitory memory on the controller to: receive a command corresponding to a desired operation of the power control system, generate a plurality of control commands as a function of a signal received from at least one sensor, and generate a log storing the present operating state for each of the electrical energy generating source, the electrical energy storage device, and the electrical load over a predefined duration, and wherein the at least one input corresponding to the past operating state of the power control system is the log.
US10923918B2 Control of reactive power in a wind power plant
The invention relates to a method for controlling injection and absorption of reactive power in a wind power plant (WPP). In addition to wind turbine generators (WTG), the wind power plant comprises reactive power regulating devices, such as MSU and STATCOM devices. The reactive power regulating devices are controlled by wind power plant controller so that the combined amount of reactive power produced by the wind turbine generators and the reactive power regulating devices satisfies a desired amount of reactive power. In case of communication fault between the power plant controller and one of the reactive power regulating devices, the power plant controller is reconfigured so as to compensate the capability of the reactive power regulating device to inject or absorb the amount of reactive power.
US10923912B2 Electronic trading confirmation system
A system and method of confirming trades of financial instruments such as OTC derivatives is disclosed. The system includes a data interface which accepts data relating to a trade from both the trader and counter party. The data includes different data fields of differing importance. The system includes a matching engine which compares the submitted data and assigns the trade a status depending on which of the data fields match. The system allows a user to filter trades on their status and display the details relating to that trade. The system also allows a user to display the data fields and change the data fields in order to change the status of the trades. The system thus allows a user to electronically confirm a trade and also identify unmatched trades and the information necessary to reconcile such unmatched trades.
US10923905B2 Intelligent control method and system
An intelligent control method includes monitoring whether a protected object is within a preset range of a dangerous device. The method includes starting a tracking mode for the protected object when monitoring that the protected object is within the preset range of the dangerous device. The method includes monitoring in real time whether the protected object satisfies a preset condition in the tracking mode, and cutting off a power supply of the dangerous device when the protected object satisfies the preset condition.
US10923904B2 Overvoltage protection unit, overvoltage protection method, sampling module, pixel circuit and display apparatus
An overvoltage protection unit, an overvoltage protection method, a sampling module, a pixel circuit and a display apparatus are provided. The overvoltage protection unit includes a comparator and an output switch, where a first input terminal of the comparator is supplied with a predetermined maximum voltage, a second input terminal of the comparator is supplied with an actual sampled voltage, an output terminal of the comparator is connected with a control terminal of the output switch and the actual sampled voltage is supplied to an input terminal of the output switch; the output switch selectively outputs the actual sampled voltage in accordance with an output signal of the comparator.
US10923903B2 Low phase surge protection device
The invention provides a low phase surge protection device including a voltage converter, a low phase delay detector and an output control switch. The voltage converter receives an alternate current (AC) input voltage, and converts the AC input voltage into a direct current (DC) input voltage. The low phase delay detector receives the DC input voltage to be a power source, enables a phase detection scheme by detecting whether the AC input voltage is in a stable state, and generates an enable signal by detecting a phase of the AC input voltage after the phase detection scheme is enabled. The output control switch receives the AC input voltage, and determines whether to transmit the AC input voltage to be an output voltage according to the enable signal.
US10923902B2 Fuse system for at least one load of a vehicle
The invention relates to a fuse system for at least one load of a vehicle, the fuse system having a fuse apparatus that has at least one electronic fuse for the at least one load and an evaluation and control circuit that evaluates a load current through the at least one electronic fuse and compares the load current with at least one prescribed disconnection criterion of a first parameter set, wherein the evaluation and control circuit initiates a trip process that trips the at least one electronic fuse and disconnects the load current to the corresponding load if the at least one prescribed disconnection criterion is satisfied.
US10923901B2 Protective relay device
In a protective relay device, a current differential relay computation unit determines whether or not a fault has occurred within a protected section based on an operating quantity and a restraint quantity. A disconnection detection unit computes a first amount of difference by subtracting the operating quantity a certain time period ago from the operating quantity at a present point in time, computes a second amount of difference by subtracting the restraint quantity the certain time period ago from the restraint quantity at the present point in time, and determines that a disconnection has occurred at one of first and second current transformers when a first determination condition that an absolute value of a sum of the first amount of difference and the second amount of difference is equal to or smaller than a first set value is satisfied.
US10923900B2 Low voltage protection device with clock testing
An electronic protection device for a LV electric line, the protection device being provided with a control unit comprising a controller including digital data processing resources clocked by a first clock source adapted to provide a first flock signal with a first nominal clock frequency. The control unit comprises a clock testing arrangement adapted to check whether the first clock source is properly operating.
US10923894B1 Push-in electrical connector insertable from the inside or outside of a junction box
A push-in electrical connector for connecting one or more electrical cables at a knockout of an electrical junction box or panel. The electrical connector includes a substantially tubular connector body with a sidewall, a flange, an inner body portion extending from the flange to an inner end, and an outer body portion extending from the flange to an outer end. The inner body portion includes two flexible gripper jaws and an inner seat. The outer body portion includes two compressible arms and an outer seat. The electrical connector body may include a dividing wall for maintaining separation between electrical cables. The gripper jaws and compressible arms enable secure attachment of one or more cables to an electrical panel or box.
US10923893B2 Tubing structure with magnetic control
A tubing structure includes a first unit, a second unit movably connected to the first unit, and a controller. The first unit includes a first body and at least one first magnetic component disposed inside the first body. The second unit includes a second body movably engaging with the first body and at least one second magnetic component disposed inside the second body and located at a position corresponding to the at least one first magnetic component. The controller is electrically connected to at least one of the at least one first magnetic component and the at least one second magnetic component. The controller selectively controls the at least one first magnetic component and the at least one second magnetic component to magnetically attract or repulse each other to drive the second body to move relative to the first body for inclining the second unit relative to the first unit.
US10923888B2 Interchangeable switchgear modules and related systems
Modular switchgear systems are provided including at least two separate modules including components of switchgear. The at least two separate modules are independent of one another. One of the at least two separate modules is a stationary module and remaining ones of the at least two separate modules are removable such that the remaining ones of the at least two separate modules are configured to engage and/or disengage easily from the stationary module and an electrical power system. Related removable modules are also provided.
US10923887B2 Wire for an ignition coil assembly, ignition coil assembly, and methods of manufacturing the wire and ignition coil assembly
A wire for an ignition coil assembly and/or a corona ignition assembly is provided. The wire comprises a wire core including a copper-based material, and a coating applied to the wire core. The coating includes at least one of a carbon-based material and magnetic nanoparticles. The carbon-based material can include graphene and/or carbon nanotubes, and the magnetic nanoparticles can include graphene and iron oxide (Fe3O4). Typically, the coating includes a plurality of layers. For example, the coating can include a layer of the graphene and/or carbon nanotubes, and/or a layer of the magnetic nanoparticles. The coating can also include a layer of insulating material, such as enamel. According to another embodiment, the coating includes iron, nickel, and/or cobalt plated onto the wire core.
US10923886B2 Spark plug having a plurality of ground electrodes
A spark plug includes: a central electrode extending from a front end side to a rear end side along an axis; an insulator including a front end section formed to be a bottomed tube surrounding a tip of the central electrode; a metal shell shaped to be tubular and structured to support the insulator such that the front end section of the insulator projects to the front end side from a front end section of the metal shell; and a plurality of ground electrodes each of which includes a first end forming a discharge gap with the front end section of the insulator and includes a second end connected to the front end section of the metal shell. The plurality of ground electrodes include a pair of ground electrodes different from each other in size of their discharge gaps.
US10923885B2 Surge protection component and method for producing a surge protection component
A surge protection component with a main body which has at least one inner electrode arranged between two ceramic layers, wherein the at least one inner electrode is set back from at least one lateral face of the main body, wherein a gas-filled cavity is provided between the at least one inner electrode and the at least one lateral face, and wherein an outer electrode is respectively arranged on two mutually opposite lateral faces of the main body. According to a further aspect, the present invention relates to a method for producing a surge protection component.
US10923882B2 Nitride semiconductor light-emitting device
A nitride semiconductor light-emitting device having high luminous efficiency is provided. A nitride semiconductor light-emitting device is provided with a nitride semiconductor substrate including a main surface having an off angle of 0.4° or larger with respect to a (0001) plane, a first semiconductor layer formed of an n-type or p-type nitride semiconductor formed on the main surface, a second semiconductor layer formed of a nitride semiconductor having In composition of 2% or higher formed on the first semiconductor layer, an active layer formed on the second semiconductor layer including a well layer formed of a nitride semiconductor having In composition higher than that of the second semiconductor layer and a barrier layer formed of a nitride semiconductor stacked therein, and a third semiconductor layer formed on the active layer having a conductivity type different from that of the first semiconductor layer.
US10923880B2 Semiconductor laser device, diffraction grating structure, and diffraction grating
A semiconductor laser device is a vernier-type wavelength-tunable semiconductor laser device including an optical resonator, constituted by first and second reflective elements having reflection comb spectra in which reflection peaks are arranged on a wavelength axis in a substantially periodic manner and having mutually different periods. At least one of the first and second reflective elements has a sampled grating structure having a reflection comb spectrum in which reflection phases at the respective reflection peaks are aligned and the intensity of a reflection peak outside a set laser emission wavelength bandwidth is lower than the intensity of a reflection peak within the laser emission wavelength bandwidth.
US10923878B1 Method and system for providing directional light sources with broad spectrum
A system and method for providing laser diodes with broad spectrum is described. GaN-based laser diodes with broad or multi-peaked spectral output operating are obtained in various configurations by having a single laser diode device generating multiple-peak spectral outputs, operate in superluminescene mode, or by use of an RF source and/or a feedback signal. In some other embodiments, multi-peak outputs are achieved by having multiple laser devices output different lasers at different wavelengths.
US10923876B1 Phase-change material (PCM) embedded heat exchanger assembly for laser diode cooling and systems and methods thereof
A heat exchanger configured to cool an energy output device, and systems, devices, and methods thereof, can comprise a heat exchanger housing and an internal chamber defined in the housing that is configured to be filled with a phase-change material (PCM). The internal chamber can be provided at a first predetermined level inside the housing relative to the top surface of the housing and can extend under a first predetermined portion of the top surface of the housing. The internal chamber can include a plurality of PCM channels configured to be filled with the PCM and to accommodate phase changes of the PCM in multiple phase-change directions. Optionally, the plurality of PCM channels can be defined by a plurality of fins and/or the internal chamber can be accessible to outside the housing via at least one PCM interface configured to receive and pass therethrough the PCM.
US10923875B2 Integrated component for an optical amplifier
An optical device may include a package having a first port for receiving signal light, a source for providing pump light, a combiner for combining the signal light and the pump light into combined light, a second port for sending the combined light, a third port for receiving amplified light, and a free-space optical system for filtering amplified signal light from the amplified light, and a fourth port for sending the amplified signal light. The free-space optical system may include beam shaping optics that enlarge a beam size of the amplified light prior to the filtering.
US10923867B2 Plug assemblies
A plug assembly for a vehicle-trailer wiring connector assembly includes a plug housing, six connector cavities, and a first and second electrical connectors. The plug housing is positionable in a receptacle assembly. The six connector cavities are defined in and radially disposed around a connecting face of the plug housing in compliance with the Society of Automotive Engineers J2863 standard. The first electrical connector is positioned with respect to a first connector cavity of the cavities. A first contact surface of the first electrical connector is contactable within the first connector cavity. The second electrical connector is positioned with respect to the plug housing. A second contact surface of the second electrical connector is substantially aligned with an outer surface of the plug housing and externally contactable. The second electrical connector is positioned relative to the first electrical connector such that the second electrical connector is electrically insulated therefrom.
US10923860B2 Method for shielding and grounding a connector assembly from electromagnetic interference (EMI) using conductive seal and conductive housing
A connector assembly for connecting to a device which, when in operation, experiences reduced or suppressed EMI. The EMI flow path, generated by, e.g., at least a battery cable assembly or the like, housed within at least a male connector assembly or a female connector assembly, is conducted through at least an electrically conductive housing and an electrically conductive seal.
US10923858B2 Electrical connector
Walls are erected at both ends of an arrangement of first contacts and at locations that partition the first contacts for each signal to be transmitted, project at both ends of an arrangement of second contacts and at locations that partition the second contacts for each pair of differential signals to be transmitted, and therewith are connected to ground electrodes of a circuit board. A first shell, a second shell, and the like are mounted to a first housing and a second housing in such a manner as to be spaced apart from and cover the first contacts, the second contacts, and the walls and are connected to ground electrodes of the circuit board.
US10923854B2 Connector and connector assembly
A connector body includes mating guide parts formed on each longitudinal end and mating with counterpart mating guide parts formed on both longitudinal ends of a counterpart connector body of a counterpart connector. Each reinforcing bracket includes a pair of left/right slide guides disposed on the mating guide parts and being engageable with a pair of left/right slide engagement parts of a counterpart reinforcing bracket mounted to a counterpart mating guide part. One reinforcing bracket further includes a receiving member capable of emerging/submerging. When the counterpart mating guide part is mated with the mating guide part, the receiving member submerges. When the slide engagement part engages with the slide guide and the counterpart mating guide part slides on the mating guide part, the receiving member emerges and latches the counterpart mating guide part.
US10923853B2 Power connector
The present disclosure relates to a power connector which comprises an insulative housing and a terminal. The insulative housing defines a terminal receiving groove therein and comprises a stopping wall. The terminal is positioned in the terminal receiving groove and comprises a mating portion, a stopping portion and a wire connecting portion. The stopping portion abuts against the stopping wall and comprises a first horizontal portion and a second horizontal portion. The first horizontal portion comprises a first front end edge. The second horizontal portion comprises a second front end edge. A portion of a front end of the first horizontal portion and a portion of a front end of the second horizontal portion are cut off, therefore when the terminal clamps the wire, the first front end edge and the second front end edge do not splay forwardly and outwardly to protrude forwardly, but are parallel to each other or respectively extend backwardly, which thus can avoid the first front end edge and the second front end edge of the stopping portion from abutting against the stopping wall first due to the protruding.
US10923850B2 Device for securing an object on a rail
Device for securing an object on a rail, having an elongated base body which may be placed transversely on the rail and which at one end comprises an integrated actuating element which, when actuated by a user, moves opposing latching hooks which are integrated in the actuating element and are suitable for engaging behind the rail, in opposite directions.
US10923848B2 Modular barrel contact system for electrical connectors
The disclosure relates to a modular barrel contact system suitable for use with a variety of electrical connectors. The contact system includes a barrel having an opening extending therethrough and designed to receive an electrical contact and a wire. When the barrel is crimped, the contact and wire are brought together with improved mechanical strength and electrical performance. The barrel includes features for securely inserting and retaining the contact system within a housing of the electrical connector.
US10923846B1 Modular high performance contact element
A contact assembly for providing high current capabilities between an electrical terminal and a mating terminal. The contact assembly includes a conductive housing and a spring contact element. The spring contact element has first resilient contact arms, second resilient contact arms, and third resilient contact arms. The first resilient contact arms are positioned proximate the inner wall. The second resilient contact arms have second resilient contact portion bent portions which extend over the first end of the housing from the inner wall to the outer wall to retain the spring contact element in position on the housing. The third resilient contact portions have third resilient contact portion bent portions which extend over the second end of the housing from the inner wall to the outer wall to retain the spring contact element in position on the housing.
US10923845B2 Electrical equipment for an automobile vehicle
The subject matter of the invention is an electrical equipment, notably configured to be on board a vehicle, including an electronic board, a female electrical connector transferred onto the electronic board and configured to receive a blade so as to electrically connect it with the electronic board. Said connector includes two claws opposite and at a distance from each other, the two claws being configured to receive said blade while each coming around a respective lateral trench of the blade.
US10923841B1 Port for heat sink on active cable end
A peripheral component interconnect includes a cable with a header. The header includes a cable connector and a heat sink. The heat sink has a cross-section that is reduced at an end that is opposite of the cable connector. In addition or in the alternative, a peripheral component interconnect card includes a circuit board and a bracket, an electrical component, a board connector, and a rail mounted to the circuit board. The bracket includes a port for a cable to pass through, and the rail is configured to engage the cable and define a pathway that rotates between the bracket and the board connector. In addition or in the alternative an electrical connection system includes a chassis with a guide, a card, and a cable. The cable includes a guiding feature that engages the guide which directs the cable connector from being misaligned to being aligned with the board connector.
US10923840B2 Energy saving USB receptacle
Provided herein is technology relating to providing power over a universal serial bus (USB) connection and particularly, but not exclusively, to devices, methods, and systems related to a (USB) technology for reducing energy consumption by a USB receptacle.
US10923839B2 Linking board displacement mechanism and electronic apparatus
A linking board displacement mechanism is adapted to carry a linking board. The linking board displacement mechanism includes a base and two linkage bars. The linking board is disposed on the base. The two linkage bars are connected together in a cross configuration and are respectively hinged at the base. The linkage bars drive the base to move along a first axis stably. A first connector of the linking board is aligned with a second connector of an electronic device along the first axis. An electronic apparatus including the linking board displacement mechanism is also provided.
US10923838B2 Connecting terminal and electrical apparatus
A terminal for connecting a conductor (301,302) to a connector pin (101) of an electrical apparatus. The connector pin (101) is provided with an external thread. The terminal has a first central and a second central threaded hole (111,112), which intersect perpendicularly. The internal threads of the threaded holes (111,112) match the external thread of the connector pin (101), so that the terminal is screwable in two different orientations onto the connector pin (101). The terminal has one or more conductor channels for the connection of leads (301,302).
US10923824B2 Capacitively coupled patch antenna
Systems and methods relating to patch antennas. A patch antenna has a substrate, a resonant metal plate at one side of the substrate, and a ground plane at the other opposite side of the substrate. Two feed pins are used to couple the antenna to other circuitry. The feed pins pass through the substrate and holes in at the ground plane. The feed pins are physically disconnected from both the resonant metal plate and the ground plane. The feed pins are capacitively coupled to the resonant metal plate to provide an electronic connection between other circuitry and the patch antenna.
US10923823B2 Patch antenna
Disclosed is a patch antenna, which is formed so that the upper surface of a dielectric layer has a wider area than the lower surface thereof and is mounted on a printed circuit board to form an air gap, thus maximizing antenna performance while implementing lightweight. The disclosed patch antenna includes a dielectric layer, a radiation patch formed on the upper surface of the dielectric layer, and a lower patch formed on the lower surface of the dielectric layer; and the dielectric layer is formed so that an area of the upper surface is wider than an area of the lower surface to form an air gap between the printed circuit board and the dielectric layer.
US10923812B1 Wireless telecommunications network
A telecommunications network comprises multiple nodes linked by line-of-sight (LOS) signals. Directional antennas are located outside concealment screens to avoid attenuation through multiple screening layers. Directional LOS aiming between nodes is accomplished by fully rotable radomes within which multiple antennas are contained or by rotation of gimbaled antennas within the radomes. Network architecture is configured for both azimuthal and elevational LOS antenna aiming, with redundancy to re-route around disabled nodes.
US10923811B2 Integrated filtering for band rejection in an antenna element
An antenna element is provided. The antenna element comprises: a support structure; a radiating structure arranged on or within the support structure, said radiating structure comprising: a radiating element having a resonant frequency inside an operating frequency band of the antenna element; and a filter connected to the radiating element and configured to filter out harmonics of the operating frequency band. An antenna system is also provided, which comprises a first antenna element according to the first aspect configured to radiate in a first operating frequency band, and a second antenna element configured to radiate in a second operating frequency band, wherein the second operating frequency band overlaps with harmonics of the first operating frequency band.
US10923806B2 Broadband helical microstrip antenna
A broadband helical microstrip antenna having a small foot print is disclosed. A PCB (printed circuit board) has a first planar side opposite a second planar side with dielectric material therebetween. The first planar side comprising a plurality of spaced apart non-linear antenna segments, each non-linear antenna segment having one or more electrical vias to the second planar side of the printed circuit board. The second planar side comprising a plurality of spaced apart parallel linear antenna segments. The plurality of non-linear antenna segments and the plurality of linear antenna segments form the broadband helical microstrip antenna symmetrical about a center line formed by a centered linear antenna segment of the plurality of spaced apart parallel linear antenna segments of the second planar side.
US10923803B2 Loop antenna system and mobile terminal
The present disclosure provides a loop antenna system, including a back cover, a main board, a plastic back shell, and a loop antenna. The loop antenna including a first loop radiating unit, a second loop radiating unit, and a connecting member connecting the first loop radiating unit and the second loop radiating unit. Compared with the related technologies, the loop antenna system provided in the present disclosure has the following advantageous effects: by disposing a connecting member over an earphone base, the problem is solved that limitation to the thickness of a conventional entire structure results in that no bracket may be disposed over an earphone base, thereby eliminating the limitation to layout of an antenna by an earphone base. The present disclosure also provides a mobile terminal.
US10923800B2 Packaged electronic device having integrated antenna and locking structure
A packaged electronic device includes an integrated antenna as part of a conductive leadframe. The conductive leadframe includes a die paddle have an elongated conductive beam structure configured as a transmission line, and a ground plane structure disposed surrounding the die paddle. The ground plane includes a gap where the transmission line extends to an edge of the packaged electronic device. In one embodiment, selected leads within the leadframe are configured with conductive connective structures as ground pins, source pins, and/or wave guides. In an alternate embodiment, a portion of the integrated antenna is embedded and partially exposed within the body of the packaged electronic device.
US10923798B2 Antenna support and antenna position control system
Provided are an antenna mount and a system for controlling antenna position. The antenna mount provided by the present disclosure includes: an antenna mount body, a connecting arm connected to the antenna mount body, an adapting piece fixedly connected to the connecting arm, an antenna arranged on the adapting piece, and a non-metallic cylinder arranged on the adapting piece, wherein the non-metallic cylinder can drive the antenna to rotate in a range of 0-90°.
US10923794B2 Base station including antenna having two-way tilting structure
The disclosure provides a base station. The base station includes an enclosure including at least one pole connectable part to be connected to a communication pole, and an antenna assembly including an antenna for communication and combined with the enclosure. The enclosure further includes at least one antenna assembly combinable member to be combined with the antenna assembly. The antenna assembly is rotated at a predetermined angle on the at least one antenna assembly combinable member which operates as a pivot.
US10923788B1 Directed quench systems and components
Energy storage systems, battery cells, and batteries of the present technology may include a heat exchanger or fluid delivery structure that may transfer heat from a battery cell or cell block to a heat exchange fluid. The heat exchanger or fluid delivery structure may substantially maintain an interfacial temperature during a temperature increase from the battery cell or cell block.
US10923786B2 Housing assembly for one or more electro chemical cells
A housing assembly and a method of manufacturing the housing assembly. The housing assembly includes a trap portion and a heat transfer portion. A first plate member of the heat transfer portion has one or more first and second flanges having a length L1 and L2. A second plate member of the heat transfer portion has one or more first and second flanges having a length L3 and L4 that are larger than the lengths L1 and L2. At least a portion of the one or more first and second flanges of the first plate member are integrally connected to at least a portion of said one or more first and second flanges of said second plate member. Additionally, at least a portion of the one or more first and second flanges of the second plate member are overmoulded within the tray portion of the housing assembly.
US10923785B2 Charging station for an electricity charging station having an underground cooling arrangement
A charging station for an electricity charging station having an underground liquid cooling arrangement and a corresponding electricity charging station.
US10923783B2 Conformal fluid-cooled heat exchanger for battery
A heat exchanger for use with at least two battery modules, each of the battery modules comprising at least one battery cell housed within a rigid container, the heat exchanger defining an internal fluid passage for a heat exchanger fluid and having at least one compliant region that is configured to be compressed to facilitate thermal contact between the heat exchanger and the two battery modules.
US10923776B2 Systems and methods for monitoring and responding to forces influencing a battery
Systems and methods for monitoring and responding to forces influencing batteries of electronic devices are provided. One or more sensors may be provided at various positions within a battery assembly including one or more battery cells within an enclosure. In some embodiments, a sensor may be provided between a battery cell and a portion of the enclosure. In other embodiments, a sensor may be positioned between two adjacent cells in a stack. Each sensor may detect a force influencing a battery cell of the assembly. In some embodiments, the sensor may be a force sensing material having a conductance configured to vary based on the influencing force. In other embodiments, the sensor may be a contact sensor that detects when the influencing force moves two elements together.
US10923774B2 Battery state estimating device and power supply device
A battery state estimating device estimates a battery state in a battery module having a plurality of secondary batteries. The battery state estimating device is configured to be able to change a number of targets which is a number of the secondary batteries subject to estimation of the battery state of the secondary battery based on a specific value acquired from the plurality of secondary batteries, or the battery state estimating device is configured to be able to change a calculation formula for estimating the battery state of the battery to a calculation formula with a small calculation load.
US10923772B2 Cable-type secondary battery and method for manufacturing the same
The present disclosure provides a cable-type secondary battery which includes: at least one inner electrode; a separation layer formed to surround the outer surface of the inner electrode and configured to prevent a short of the electrodes; a sheet-type outer electrode surrounding the separation layer or the inner electrode and formed by spiral winding; and a polymer electrolyte coating layer formed to surround the sheet-type outer electrode, wherein the sheet-type outer electrode is formed by spiral winding to avoid an overlap.
US10923768B2 Alkynyl-containing compound additive for non-aqueous electrolyte solution, and non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery which include the same
The present invention relates to an additive for a non-aqueous electrolyte solution, which may suppress the generation of metallic foreign matter causing a side effect in a battery while forming a stable film on the surface of an electrode, a non-aqueous electrolyte solution for a lithium secondary battery which includes the additive, and a lithium secondary battery including the non-aqueous electrolyte solution.
US10923764B2 Electrolyte solution, electrochemical device, lithium ion secondary battery, and module
The present invention provides an electrolyte solution in which a decrease in capacity retention is suppressed and an increase in gas production is suppressed even when stored at high temperatures. Provided is an electrolyte solution containing: a compound (1) represented by formula (1): CF3CFX11COOR11, wherein X11 is a hydrogen atom, a fluorine atom, or a C1-C3 alkyl group in which hydrogen atoms are optionally replaced by fluorine atoms, and R11 is a C1-C3 alkyl group in which hydrogen atoms are optionally replaced by fluorine atoms; a fluorinated carbonate; and a cyclic acid anhydride.
US10923763B2 Lithium metal sulfides as lithium super ionic conductors, solid electrolyte and coating layer for lithium metal battery and lithium-ion battery
Solid-state lithium ion electrolytes of lithium metal sulfide based composites are provided which contain an anionic framework capable of conducting lithium ions. Composites of specific formulae are provided and methods to alter the composite materials with inclusion of aliovalent ions shown. Lithium batteries containing the composite lithium ion electrolytes are also provided. Electrodes containing the lithium metal sulfide based materials and batteries with such electrodes are also provided.
US10923761B2 Lithium-ion battery
The present disclosure provides a lithium-ion battery, and the lithium-ion battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte. The positive active material comprises a material with a chemical formula of LiaNixCoyM1-x-yO2, the negative active material comprises graphite, the OI value of the positive film represented by OIc and the OI value of the negative film represented by OIa satisfy a relationship: 0.05≤OIa/OIc≤10. By reasonably matching the OI value of the positive film represented by OIc and the OI value of the negative film represented by OIa and making OIa/OIc between 0.05 and 10, the dynamics performance of the positive electrode plate and the dynamics performance of the negative electrode plate can achieve an optimal match, the lithium-ion battery can have higher charging capability, and also have excellent cycle life and excellent safety performance during the long-term fast charging use.
US10923757B2 Fuel cell module housing with field replaceable stacks
A fuel cell module includes a plurality of fuel cell stacks; a manifold configured to provide process gases to and receive process gases from the plurality of fuel cell stacks; and a module housing enclosing the plurality of fuel cell stacks and the manifold. Each of the plurality of fuel cell stacks is individually installable onto the manifold by lowering the fuel cell stack onto the manifold, and is individually removable from the manifold by raising the fuel cell stack from the manifold.
US10923754B2 Polymer blend proton exchange membrane and method for manufacturing the same
The present invention relates to a polymer blend proton exchange membrane comprising a soluble polymer and a sulfonated polymer, wherein the soluble polymer is at least one polymer selected from the group consisting of polysulfone, polyethersulfone and polyvinylidene fluoride, the sulfonated polymer is at least one polymer selected from the group consisting of sulfonated poly(ether-ether-ketone), sulfonated poly(ether-ketone-ether-ketone-ketone), sulfonated poly(phthalazinone ether keton), sulfonated phenolphthalein poly(ether sulfone), sulfonated polyimides, sulfonated polyphosphazene and sulfonated polybenzimidazole, and wherein the degree of sulfonation of the sulfonated polymer is in the range of 96% to 118%. The present invention further relates to a method for manufacturing the polymer blend proton exchange membrane.
US10923752B2 Membrane-electrode assembly, method for manufacturing same, and fuel cell comprising same
Disclosed are a membrane-electrode assembly, a method of manufacturing the same, and a fuel cell including the membrane-electrode assembly. The membrane-electrode assembly includes a catalyst layer, an interfacial adhesive layer which is positioned on the catalyst layer and formed by permeating an interface between the interfacial adhesive layer and the catalyst layer into a partial depth of the catalyst layer, and an ion exchange membrane which is positioned on the interfacial adhesive layer and bonded to the catalyst layer by the medium of the interfacial adhesive layer, the interfacial adhesive layer including a fluorine-based ionomer having an equivalent weight (EW) of 500 to 1000 g/eq.
US10923747B2 Stop control method for fuel cell system
A stop control method for a fuel cell system of a vehicle can include: determining whether a fuel cell of the fuel cell system is shut down when a key-off signal is received; comparing a voltage of the fuel cell with a first set voltage when it is determined that the fuel cell is not shut down; controlling a voltage of a high-voltage terminal downwardly when the voltage of the fuel cell is larger than the first set voltage; turning on a cathode oxygen depletion (COD) relay a first time after controlling the voltage of the high-voltage terminal downwardly; turning off a high-voltage terminal relay a first time after turning on the COD relay, the high-voltage relay disposed between the fuel cell and the high-voltage terminal; and shutting down the fuel cell and performing key-off control after turning off the high-voltage terminal relay.
US10923746B2 Fuel cell stack
At one end of a fuel cell stack in a stacking direction, an insulating plate and an end plate are provided. Further, a bypass channel connecting a reactant gas supply passage and a second reactant gas discharge passage is formed between a cell stack body and the end plate. An oxygen-containing gas supplied from a reactant gas supply passage is distributed to a first reactant gas discharge passage and the second reactant gas discharge passage in the fuel cell stack.
US10923744B2 Electrochemical systems for direct generation of electricity and heat pumping
An electrochemical system that can serve as a heat engine or heat pump is disclosed. The electrochemical system comprises a first electrode assembly, a second electrode assembly, a first electrolyte and a second electrolyte. The first electrode assembly, configured to operate at a first temperature, includes a first electrode set and a second electrode set. The second electrode assembly, configured to operate at a second temperature different from the first temperature, includes a first electrode set and a second electrode set. The first electrolyte is configured to circulate between the first electrode set of the first electrode assembly and the first electrode set of the second electrode assembly. The second electrolyte is configured to circulate between the second electrode set of the first electrode assembly and the second electrode set of the second electrode assembly.
US10923740B2 Fuel cell separator, fuel cell joint separator, and power generation cell
A fuel gas supply passage is provided at a central position of one side of opposing sides of a separator. A fuel gas supply passage is provided close to a fuel gas flow field in comparison with any of a plurality of fluid passages provided along the one side. An identification mark of the separator is provided between the fuel gas supply passage and an outer peripheral end of the separator.
US10923738B2 Coolant injection controller
A coolant injection controller for a fuel cell system, the coolant injection controller configured to actively control the flow of a coolant to a fuel cell assembly for cooling and/or hydrating the fuel cell assembly in response to a measure of fuel cell assembly performance, wherein the coolant injection controller is configured to provide for a first mode of operation if the measure of fuel cell assembly performance is below a predetermined threshold and a second mode of operation if the measure of fuel cell assembly performance is above the predetermined threshold, the first and second modes having different coolant injection profiles and wherein, in the first mode of operation, the coolant injection profile provides for control of the flow of coolant by alternating between at least two different injection flow rates.
US10923737B2 Separator, and fuel cell stack comprising the same
A fuel cell including a separator having a plurality of unit bodies continuously arranged along a first direction and arranged apart at predetermined intervals along a second direction orthogonal to the first direction, wherein each of the unit bodies has a wedge shape having a first inclined surface and a second inclined surface, connected at a predetermined angle at a vertex portion and two unit bodies adjacent along the second direction are arranged so that each vertex portion is not coaxially located with respect to a virtual line parallel to the second direction.
US10923736B2 Method for producing fuel cell separator, and separator material
Provided are a method for producing a fuel cell separator, and a separator material that can prevent carbon in a carbon layer formed on the surface of a metal substrate from being detached during press forming, and thus can suppress failures in the press forming. The method is a method for producing a fuel cell separator having formed thereon gas flow channels through which fuel gas or oxidant gas to be supplied to a fuel cell stack flows, the method including preparing a plate-shaped separator material including a titanium substrate, a carbon layer covering the titanium substrate, and a resin layer covering the carbon layer; press-forming the prepared separator material into the shape of the separator such that the separator has the gas flow channels formed thereon; and removing the resin layer from the press-formed separator.
US10923735B1 Compliant contact material for fuel cells and method of making thereof
A method of making a fuel cell stack includes applying an electrically conductive, compliant contact print ink containing an electrically conductive material, a plasticizer, a solvent, and a binder to at least one of a surface of an electrode of a fuel cell or a surface of an interconnect, and placing the fuel cell and the interconnect in the fuel cell stack such that the compliant contact print ink is located between the electrode of the fuel cell and the interconnect.
US10923734B2 Temperature-control arrangement for an electrical energy store
A temperature-control arrangement has an electrical energy store, a thermal device, a cooling device and a coolant circuit with coolant lines, which coolant lines are at least partially activatable and deactivatable by means of controllable valves. The temperature-control arrangement is designed to permit at least a first state and a second state of the coolant circuit through actuation of the controllable valves, wherein the coolant circuit is designed to, in the first state, permit a coolant flow from the cooling device both to the thermal device and to the electrical energy store, and from these back to the cooling device, in order to cool the thermal device and the electrical energy store, and wherein the coolant circuit is designed to, in the second state, permit a coolant flow from the thermal device to the electrical energy store, and from the latter back to the thermal device, in order to heat the electrical energy store.
US10923733B2 Nanocatalyst suitable for an anode of a solid oxide fuel cell
The present disclosure relates to a nanocatalyst for an anode of a solid oxide fuel cell and a method for preparing the same. More particularly, the present disclosure relates to a nanocatalyst for an anode of a solid oxide fuel cell obtained by forming a ceramic nanocatalyst including a noble metal dispersed therein in an atomic unit and contained in an ionic state having an oxidation number other than 0 through an in situ infiltration process in the internal pores of a porous electrode, and to application of the nanocatalyst to a solid oxide fuel cell having significantly higher electrochemical characteristics as compared to the solid oxide fuel cells including the conventional nickel-based anode and oxide anode, and particularly showing excellent characteristics at an intermediate or low temperature of 600° C. or less.
US10923726B2 Artificial solid electrolyte interphase of a metallic anode for a secondary battery including amino-functionalized carbon structures to protect the anode material, a method for producing the anode and a lithium metal secondary battery including the anode produced by the method
An artificial solid electrolyte interphase (ASEI) of an anode for a secondary battery includes a first film composed of amino-functionalized, reduced graphene oxide (rGO) that is amino-functionalized by binding with polyethyleneimine present in an amount of from 1 to 50% by weight, based on total weight of the amino-functionalized, reduced graphene oxide (rGO) and that is disposed in contact with an anode material to protect the anode material; and a second film comprised of amino-functionalized, multi-walled carbon nanotubes that is amino-functionalized by binding with polyethyleneimine and that is stacked on the first film. An anode of a secondary battery including the ASEI enables rapid diffusion and stable deposition of lithium to inhibit the formation of dendrites. In a secondary battery including the anode, the ASEI prevents side reactions between a lithium metal anode and the electrolyte, achieving good electrochemical stability and high Coulombic efficiency.
US10923718B2 Concentrated metal salt solution in a non-aqueous solvent system
A concentrated solution of a metal salt in a non-aqueous solvent system. A product of the process of making a concentrated solution of a metal salt in a non-aqueous solvent system.
US10923716B1 Graphene-carbon nanotube hybrid electrode material
A hybrid electrode and an energy storage device are disclosed. The hybrid electrode is applicable to use in advanced rechargeable energy storage and power sources. A non-woven sheet of carbon-nanotubes (CNTs) and a layer of lithiated graphene nanoparticles deposited on the sheet of CNTs are provided.
US10923714B2 Structures for interdigitated finger co-extrusion
A structure has a substrate, a first material on the substrate, the first material having a binder and a first active material, periodically located trapezoidal voids that only partially extend from a top of the first active material towards the substrate, and an electrolyte material filling the trapezoidal voids.
US10923712B2 Preparing anodes for lithium ion cells from aluminum anode active material particles
Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.
US10923707B2 Dry process method for producing electrodes for electrochemical devices and electrodes for electrochemical devices
A method of making an electrode for an electrochemical cell includes the step of providing an electrode composite comprising from 70-98% active material, from 0-10% conductive material additives, and from 2-20% polymer binder, based on the total weight of the electrode composite. The electrode composite is mixed and then compressed the electrode composite into an electrode composite sheet. The electrode composite sheet is applied to a current collector with pressure to form an electrode, wherein the electrode possesses positive characteristics for adhesion according to ASTM standard test D3359-09e2, entitled Standard Test Methods for Measuring Adhesion by Tape Test, and wherein the electrode composite sheet and the electrode possess positive characteristics for flexibility according to the Mandrel Test. The binder can be a single nonfluoropolymer binder. Dry process electrodes are also disclosed.
US10923705B2 Method of producing negative electrode for nonaqueous electrolyte secondary battery and method of producing nonaqueous electrolyte secondary battery
A negative electrode active material, a first carbon material, a thickener, and a solvent are mixed to prepare a first dispersion solution. The first dispersion solution and a second carbon material are mixed to prepare a second dispersion solution. The second dispersion solution and a binder are mixed to prepare a negative electrode paint. The negative electrode paint is applied to a surface of a negative electrode current collector and dried to produce a negative electrode for a nonaqueous electrolyte secondary battery. The negative electrode active material has a BET specific surface area of 3 m2/g or more and 8 m2/g or less. The first carbon material has a BET specific surface area of 30 m2/g or more and 100 m2/g or less. The second carbon material has a BET specific surface area of 200 m2/g or more and 500 m2/g or less.
US10923698B2 Laminate-type power storage element
A laminate-type power storage element includes a flat plate-shaped electrode body and an exterior body. The electrode body is configured by stacking a sheet-shaped positive electrode and a sheet-shaped negative electrode on either side of a separator. The exterior body is formed in a flattened bag-shape by thermocompression bonding peripheral edge regions of two opposing laminated films, to seal the electrode body inside the flattened bag-shape of the exterior body together with an electrolyte. The separator has a sheet-shaped substrate and at least one bonding layer formed on at least one surface of the substrate. A peripheral edge portion of the separator is sandwiched between and bonded by the two laminated films at a peripheral inside of the peripheral edge regions of the two laminated films.
US10923695B2 Battery pack
A battery pack includes a housing accommodating a battery cell and having a throughhole; and a pressure equalization device coupled to the throughhole and equalizing internal and external pressures of the housing, wherein the pressure equalization device includes a first pressure equalization member configured to equalize the internal and external pressures of the housing when a variation in the internal pressure of the housing is smaller than a reference pressure variation; and a second pressure equalization member configured to equalize the internal and external pressures of the housing when the variation in the internal pressure of the housing is greater than the reference pressure variation.
US10923694B1 Safety battery pack and protective enclosure to reduce battery fire or explosion damage
A protective metal enclosure box for lithium batteries that includes batteries subject to fire and explosion comprising a rigid metal covered box that includes an aluminum honeycomb grid core mesh that can receive multiple individual batteries spaced apart from each other and protected from each other thermally and from explosion. The protective battery pack box includes a pair of printed circuit boards for interacting with the batteries for transmitting voltage and amperage outside of said battery pack.
US10923691B2 Sealed packages for electronic and energy storage devices
The present disclosure provides insulated assemblies for electronics packaging, the assemblies in some embodiments including an electrical connection extending through a tube that extends through an insulating vacuum space.
US10923688B2 Quantum-dot light-emitting diode and method for producing quantum-dot light-emitting diode
There are provided a quantum dot light emitting diode based on a quantum dot of which a surface is passivated with a short chain ligand, and a method of manufacturing the same.
US10923686B2 Heat dissipating structure of a flexible display
A heat dissipation structure for a flexible display is disclosed, and includes: a substrate, an anode metal layer, light emitting diode elements, a pixel defining layer, a cathode metal layer, and a heat conducting insulator disposed in sequence. The pixel defining layer has grooves, and the heat conducting insulator is sandwiched between the anode metal layer and the cathode metal layer, and disposed in the grooves. The heat conducting insulator is used to connect the anode metal layer and the cathode metal layer, so as to form an electrically insulating and thermally conducting path between the anode metal layer and the cathode metal layer.
US10923685B2 Display and method of fabricating the display
This disclosure relates to a display and a method of fabricating the display. According to some embodiments, the display may comprise: an encapsulation sidewall; at least one isolation column adjacent to the encapsulation sidewall; and a processing module coupled with the at least one isolation column, configured to apply a voltage signal to the at least one isolation column according to a height of the encapsulation sidewall, such that the at least one isolation column deforms.
US10923680B2 Multifunctional composite panels and methods for the same
A method for fabricating a multifunctional composite panel is disclosed. The method can include forming a plurality of structural layers, and forming a plurality of photovoltaic layers adjacent the plurality of structural layers. Forming the plurality of structural layers can include forming alternating layers of a conductive organic material and an inorganic material. Forming the alternating layers can include forming a first layer from the conductive organic material, and forming a second layer adjacent the first layer from the inorganic material. The multifunctional composite panel can have a thickness of from about 1 mm to about 30 mm.
US10923679B2 Light-emitting element display device
A light-emitting element display device includes: a display area which has an organic insulating layer that is made of an organic insulating material; a peripheral circuit area which is disposed around the display area and which has the organic insulating layer; and a blocking area that is formed between the display area and the peripheral circuit area. The blocking area includes: a first blocking area configured by only one or a plurality of inorganic material layers between an insulating base substrate and an electrode layer which covers the display area and is formed continuously from the display area, and which configures one of two electrodes for allowing the light emitting area to emit the light; and a second blocking area including a plurality of layers configuring the first blocking area, and a light emitting organic layer.
US10923676B2 Encapsulating structure of organic light emitting diode display panel having concave-convex structure in encapsulating portion
A package structure of an organic light emitting diode display panel includes a display substrate, a glass cover plate and a package portion. The display substrate and the glass cover are arranged opposite to each other. The package portion is provided between a non-display region of the display substrate and a portion of the glass cover plate corresponding to the non-display region. The display substrate includes organic light emitting diode elements. The organic light emitting diode elements are located in a sealed cavity enclosed by the display substrate, the glass cover plate and the package portion. The package portion includes a first concavo-convex structure provided at a surface of the display substrate facing the glass cover plate; a second concavo-convex structure provided at a surface of the glass cover plate close to the display substrate; and a package material is provided between the first concavo-convex structure and the second concavo-convex structure.
US10923672B1 Quantum dot organic light emitting diode display panel
A quantum dot organic light emitting diode (OLED) display panel is disclosed. A red-and-blue mixture light source is used as an OLED light source corresponding to a red sub-color-resist of a color filter, and/or a green-and-blue mixture light source is used as the OLED light source corresponding to a green sub-color-resist of the color filter. A blue light source in a color-mixture light source can trigger a red/green quantum dot material of a quantum dot photo-transfer film, and the triggered light passes through the color filter. A red/green light source in the color-mixture light source can directly pass through the color filter, thereby effectively improving the brightness of the quantum dot OLED display panel and the efficiency of a display panel and prolonging the lifetime of the display panel.
US10923671B2 Nanofilm, thin film transistor, and manufacture methods thereof
Disclosed is a nanofilm, a thin film transistor and manufacture methods thereof. The nanofilm of the present disclosure comprises a plurality of regions distributed in a film plane dimension, wherein each of the regions is composed of one kind of nanomaterial, and nanomaterials of adjacent regions are different from each other and contact with each other to form a heterojunction or a Schottky junction.
US10923669B2 Display device including a bending area and a panel-sheet coupling layer
A display device includes: a display panel including a flat area and a bending area positioned adjacent to the flat area, a panel bottom sheet arranged under the display panel and overlapping with the flat area and the bending area, and a panel-sheet coupling layer between the display panel and the panel bottom sheet and including a first panel-sheet coupling part arranged across the flat area and the bending area, and a second panel-sheet coupling part overlapping with the bending area and extended continuously along a side of the first panel-sheet coupling part, a thickness of the panel-sheet coupling layer becoming smaller from a central portion of the bending area toward a side portion of the bending area, and the panel bottom sheet having a curved shape that is gentler than a curved shape of the display panel.
US10923664B2 Composition, thin film, and organic light emitting device including composition and thin film
A composition including a donor compound and an acceptor compound, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.
US10923663B2 Monoamine compound and organic electroluminescence device including the same
Provided are a monoamine compound and an organic electroluminescence device including the same. The monoamine compound according to an example embodiment is represented by the following Formula 1
US10923661B2 Organic light emitting diode and fabricating method thereof
An organic light emitting diode includes a thin film transistor substrate, a pixel electrode layer, a pixel defining layer, and a pixel layer in order from bottom to top. The pixel layer is formed by spraying pixel ink onto the pixel electrode layer in the pixel defining groove by an inkjet printing method and drying to form a film, and the pixel ink contains a hydrophobic solvent and is hydrophobic. A method for fabricating an organic light emitting diode includes the steps of: providing a thin film transistor substrate, forming a pixel electrode layer, forming a pixel defining layer, and forming a pixel layer. By adding a hydrophobic solvent to the pixel ink and making the pixel ink hydrophobic, the coffee ring effect in the inkjet printing process is reduced, and the film surface of the pixel layer is uniform, thereby improving the luminescence performance.
US10923659B2 Wafers for use in aligning nanotubes and methods of making and using the same
Provided herein are wafers that can be used to align carbon nanotubes, as well as methods of making and using the same. Such wafers include alignment areas that have four sides and a surface charge, where the alignment areas are surrounded by areas that have a surface charge of a different polarity. Methods of the disclosure may include depositing and selectively etching a number of hardmasks on a substrate. The described methods may also include depositing a carbon nanotube on such a wafer.
US10923654B2 Variable resistance memory device
A variable resistance memory device includes a word line extending in a first direction, a bit line on the word line and extending in a second direction intersecting the first direction, a switching pattern between the bit line and the word line, a phase change pattern between the switching pattern and the word line, and a bottom electrode between the phase change pattern and the word line, wherein the phase change pattern has a bottom area greater than a top area of the bottom electrode, a thickness of the phase change pattern being greater than a thickness of the bottom electrode, and wherein the bottom and top areas are defined in the first and second directions, and the thicknesses are defined in a third direction intersecting the first and second directions.
US10923653B2 Phase change memory with gradual resistance change
A phase change memory cell is provided that includes a phase change material-containing structure sandwiched between first and second electrodes. The phase change material-containing structure has a resistance that changes gradually, and thus may be used in analog or neuromorphic computing. The phase change material-containing structure may contain a plurality of phase change material pillars, wherein each phase change material pillar has a different phase change material composition. Alternatively, the phase change material-containing structure may contain a doped phase change material layer in which a dopant concentration decreases laterally inward from an outermost surface thereof.
US10923651B2 Spin orbit materials for efficient spin current generation
In one embodiment, a SOT device is provided that replaces a traditional NM layer adjacent to a magnetic layer with a NM layer that is compatible with CMOS technology. The NM layer may include a CMOS-compatible composite (e.g., CuPt) alloy, a TI (e.g., Bi2Se3, BixSe1-x, Bi1-xSbx, etc.) or a TI/non-magnetic metal (e.g., Bi2Se3/Ag, BixSe1-x/Ag, Bi1-xSbx/Ag, etc.) interface, that provides efficient spin current generation. Spin current may be generated in various manners, including extrinsic SHE, TSS or Rashba effect.
US10923644B2 Embedded electrode substrate for transparent light emitting device display and method for manufacturing thereof
An embedded electrode substrate for a transparent light emitting device display that includes a transparent substrate; an adhesive layer provided on the transparent substrate; and a wiring electrode portion and a light emitting device mounted portion embedded in the adhesive layer, and the wiring electrode portion comprises a first metal foil pattern, and comprises a blackening layer on both an upper surface and a side surface of the first metal foil pattern, and the light emitting device mounted portion comprises a second metal foil pattern and comprises the blackening layer only on the side surface of the second metal foil pattern.
US10923643B2 Package, light emitting device, and method of manufacturing the package
A package includes a first lead including a first electrode terminal, and a second lead including a second electrode terminal and provided on the first lead in an overlapping direction such that the first electrode terminal of the first lead overlaps with the second electrode terminal of the second lead when viewed in the overlapping direction. The first electrode terminal and the second electrode terminal are electrically connected to each other without adding additional material.
US10923642B2 Light emitting diode and light emitting device having the same
A light emitting diode including an n-type semiconductor layer, a mesa disposed on the n-type semiconductor layer and exposing a portion thereof, and including an active layer and a p-type semiconductor layer, first and second bonding pads electrically connected to the n-type and p-type semiconductor layers, respectively, and a first insulation layer at least partially disposed between the exposed portion of the n-type semiconductor layer exposed by the mesa and the second bonding pad, in which the exposed portion of the n-type semiconductor layer has a first portion having a shortest distance to the second bonding pad, the first insulation layer covers a portion of the p-type semiconductor layer disposed between the second bonding pad and the first portion of the n-type semiconductor layer, and the first insulation layer is disposed along an edge of the p-type semiconductor layer adjacent to the exposed portion of the n-type semiconductor layer.
US10923641B2 Light-emitting device and manufacturing method thereof
This disclosure discloses a method of manufacturing a light-emitting device includes steps of providing a first substrate with a plurality of first light-emitting elements and adhesive units arranged thereon, providing a second substrate with a first group of second light-emitting elements and a second group of second light-emitting elements arranged thereon, and connecting the a second group of second light-emitting elements and the adhesive units. The first light-emitting elements and the first group of second light-emitting elements are partially or wholly overlapped with each other during connecting the second group of second light-emitting elements and the adhesive units.
US10923640B2 Optoelectronic component and method of producing same
An optoelectronic component includes a carrier, and a housing material arranged above a top side of a carrier, wherein a cavity is configured in the housing material, a top side of a first optoelectronic semiconductor chip is arranged in the cavity, the first optoelectronic semiconductor chip has a first electrical connection pad arranged at the top side of the first optoelectronic semiconductor chip, and electrically conductively connects by a bond wire to a first contact pad arranged at the top side of the carrier, a first section of the bond wire is arranged in the cavity and a second section of the bond wire is embedded the housing material, a covering material is arranged in the cavity and covers at least one part of the top side of the first optoelectronic semiconductor chip, and the first section of the bond wire is embedded in the covering material.
US10923639B2 Method for producing an optical semiconductor device
A method for producing a light reflecting layer-including optical semiconductor element includes the steps of temporarily fixing electrode surfaces of a plurality of optical semiconductor elements each having the electrode surface provided with an electrode, a light emitting surface opposing the electrode surface and provided with a light emitting layer, and a connecting surface connecting a peripheral end edge of the electrode surface to that of the light emitting surface to a temporarily fixing sheet at spaced intervals to each other; filling a first gap between the optical semiconductor elements that are next to each other with a light reflecting sheet and forming a light reflecting layer on the connecting surfaces of the plurality of optical semiconductor elements; removing the light reflecting layer attaching to the light emitting surfaces of the plurality of optical semiconductor elements; and cutting the light reflecting layer between the optical semiconductor elements that are next to each other.
US10923638B2 Electronic device comprising an optical chip and method of fabrication
An electronic device includes a carrier substrate having a front face and an electronic chip mounted on the front face. An encapsulation cover is mounted above the front face and bounds a chamber in which the chip is situated. A front opening is provided in front of an optical component of the chip. An optical element, designed to allow light to pass, is mounted on the cover in a position which covers the front opening of the cover. The optical element includes a central region designed to deviate light and a positioning pattern that is visible through the front opening. An additional mask is mounted on the encapsulation cover in a position which extends in front of the optical element. A local opening of the additional mask is situated in front of the optical component.
US10923634B2 Wavelength converter having a polysiloxane material, method of making, and solid state lighting device containing same
A method of making a wavelength converter includes (a) combining a luminescent material and inorganic nanoparticles with a liquid methoxy methyl polysiloxane precursor to form a liquid dispersion, the precursor having a methoxy content of 10 to 50 weight percent (wt %), the inorganic nanoparticles including at least 10 weight percent of the dispersion; (b) applying the liquid dispersion to a non-stick surface; (c) curing the liquid dispersion to form a filled polymer sheet; and (d) cutting the sheet to form individual wavelength converters having a desired shape.
US10923632B2 Light emitting element and light emitting device
A light emitting element includes a semiconductor structure including a first layer including a first and a second regions, and a second layer above the second region, the first region including extending portions each extending into the second region from an outer peripheral region; a first insulating layer including first through-holes respectively located on the extending portions, and a second through-hole located above the second region; a second insulating layer including a third and a fourth through-holes; a first external electrode connected with the first layer via the first through-holes; and a second external electrode connected with the second layer via the second through-hole. The extending portions are each located in an area, on a top surface of the first layer, other than an area overlapping any of corner portions of the first external electrode and other than an area overlapping any of corner portions of the second external electrode.
US10923620B2 Method of manufacturing of a GaN light emitting diode
A method for manufacturing a light-emitting diode is provided, including the following steps in succession, while maintaining a substrate in a vapour-phase epitaxial growth chamber: epitaxial deposition, with an atmosphere having a first non-zero concentration of ammonia in the chamber, of a first GaN alloy layer P-doped with magnesium; epitaxial deposition, on the first GaN alloy layer, of a sacrificial GaN alloy layer in a second atmosphere in the chamber that is not supplied with magnesium; placing the second atmosphere inside the chamber under conditions with a second concentration of ammonia that is at least equal to a third of the first non-zero concentration so as to remove the sacrificial GaN layer; and then epitaxial deposition of a second N-type doped GaN alloy layer so as to form a tunnel junction with the first GaN alloy layer.
US10923613B2 Energy harvesting apparatus having light collecting particles
An energy harvesting apparatus including light collecting particles is provided. The energy harvesting apparatus includes a light collecting layer for collecting light incident thereon from the outside, a first charging member on a first surface of the light collecting layer, a second charging member on a surface of the light collecting layer opposite the first surface, and solar cells on opposite light exit surfaces between the first and second surfaces of the light collecting layer.