Document Document Title
US11297751B2 Component mounting line
An automatic exchanging device for moving in an arrangement direction of multiple component mounting machines alongside the front face of a component mounting line to set feeders to and/or remove feeders from a feeder setting base of each component mounting machine, and a control device for controlling the movement of the automatic exchanging device. The control device monitors the operational states of the multiple component mounting machines and, when an error requiring the work of the operator occurs in any one of the component mounting machines, sets a predetermined range including the component mounting machine to a movement prohibited area of the automatic exchanging device to move the automatic exchanging device out of the movement prohibited area until it is determined that the work is completed.
US11297750B2 Mechanism to release cards and other components from computer
A lifting structure in the form of a release hook configured to conveniently and easily release computer components from their supporting structure by a simple pivoting action in response to lifting of thumbscrews. A typical computer component would be a PCIe card within a GPU tray. The lifting structure does not require the use of tools to release the computer components, and can be used where computer components ordinarily cannot be released by human fingers due to limitations of space. The lifting structure lifts the computer component to a height where the computer component can then be easily grasped by human fingers for removal of the component.
US11297749B2 Method for transporting and installing an electronic device, and reusable transport and assembly module
A method for transporting and installing an electronic device having at least one first electrical contact element includes fixing the electronic device in a recess or interior of a reusable transport and assembly module such that access to the at least one first contact element is blocked by a protective element, transporting the transport and assembly module and the electronic device into a connection region of an electrical apparatus, removing the protective element so that the at least one first contact element is accessible, actuating an actuation apparatus provided on the transport and assembly module to move the electronic device in a direction out of the recess or interior into a contact position in which the at least one first contact element is brought into electrical contact with at least one second contact element provided on the electrical apparatus, and removing the transport and assembly module.
US11297745B2 Active thermal management system for electronic devices and method of achieving device-to-device isothermalization
An active thermal management system for electronic devices comprises: a heat spreader having an internal channel; a thermally conductive body moveably positioned in the internal channel; and two or more electronic devices in thermal contact with a back surface of the heat spreader and positioned adjacent to the internal channel. A location of the thermally conductive body within the internal channel determines a path for heat flow from the back surface to a front surface of the heat spreader. The location of the thermally conductive body within the internal channel may be selected to minimize a temperature differential (ΔT) between the electronic devices.
US11297744B2 Power conversion device
A capacitor and a discharge resistor can be connected using a simplified configuration without using a bus bar. A connection of a capacitor and a discharge resistor of a power conversion device are carried out using wire harnesses that form positive and negative lines. The capacitor and the discharge resistor are integrated by being directly connected using a first wire harness. A second wire harness is drawn out from a terminal portion electrically separated from a first terminal portion of the capacitor; and a third wire harness is drawn out from the discharge resistor, where the second wire harness and the third wire harness are fastened.
US11297742B2 Thermal containment system with integrated cooling unit for waterborne or land-based data centers
The thermal containment system generally includes an enclosure, a vertical enclosure, a cable management system, integrated cooling unit, a plurality of quick connect couples for the cooling unit, a plurality of VFD fans, a plurality of recessed wheels, a plurality of wireless sensors and a quick lock system for securing the thermal containment system. The thermal containment system may be employed to control air flow in the data center, isolating hot air expelled by a plurality of computer systems therein and conditioning the hot air with integrated cooling units that may be connected to a closed loop geothermal cooling system. The wireless sensors may be employed to collect data for a data center infrastructure management (DCIM) system that may monitor and manage elements of the thermal containment system.
US11297740B2 Storage-type modular data center
Disclosed is a storage-type modular data center. The storage-type modular data center includes a box, a dust removing module, an evaporative cooling module, and an air supply module. The box is provided with an air inlet and an air outlet. A server is disposed between the air inlet and the air outlet. The dust removing module is disposed between the server and the air inlet. The evaporative cooling module is disposed between the server and the air inlet, and includes an evaporative media and a water sprinkling tray module. One end of the evaporative media is immersed in liquid contained in the water sprinkling tray module. The air supply module is operative to drive air to flow between the air inlet and the air outlet.
US11297739B1 IT enclosure system and in-series configuration
According to various embodiments, described herein are systems and methods for designing and configuring cooling systems for server racks in an IT cluster. In one embodiment, a cooling system can include a connection module with fluid loop connections and standard fluid ports, and a number of cooling modules, such as a heat exchanger module, a pump module, and a first bypass module, and a second bypass module. The connection module can use the standard fluid connections and standard ports to connect the cooling modules together to form a complete multiple function cooling unit. The cooling unit can be attached to an IT enclosure via the fluid ports on the connection module, and fluid loops are connected between the IT enclosure and each individual cooling modules. The connection module can be customized including the cooling ports, fluid loop connections to accommodate assembling of different standard cooling modules and corresponding functions.
US11297737B2 Targeted cooling for datacenters
A method of cooling electronic equipment is disclosed and includes substantially continuously circulating ambient air across a plurality of rack-mounted electronic devices, monitoring the temperature of air in or around a group of devices in the plurality of rack-mounted electronic devices, and providing substantially cooler-than-ambient air to the group of devices when the monitored air temperatures rises above a set value.
US11297735B2 Heat exchange device and liquid cooling system having the same
A heat exchange device includes a heat exchanger and two pumps. The heat exchanger defines a heat exchange pathway, an inflow pathway communicated with the heat exchange pathway for guiding a cooling liquid to flow into the heat exchange pathway, and an outflow pathway opposite to the inflow pathway for guiding the cooling liquid to flow out from the heat exchange pathway. Each of the pumps includes a case body defining a flow-guiding chamber communicated with and disposed between the heat exchange pathway and the outflow pathway, a rotor mounted in the flow-guiding chamber, and a stator mounted to the case body for driving rotation of the rotor, facilitating flowing movement of the cooling liquid toward the outflow pathway.
US11297731B2 Assembled air shroud
An assembled air shroud includes a first plate and a second plate. The first plate has a first engaging portion, and the second plate has a second engaging portion facing the first engaging portion. The first plate and the second plate are arranged along a first axis, and the first engaging portion and the second engaging portion are detachably engaged along a second axis different from the first axis.
US11297729B2 Computing system having a pivotable front panel
Example implementations relate to a computing system having a chassis and a front panel pivotably coupled to the chassis via a pair of retention brackets. In some examples, the chassis has a pair of frames that is disposed spaced apart and in parallel to each other. Further, each retention bracket of the pair of brackets is movably coupled to a respective frame of the pair of frames. The front panel is releasably engaged to the pair of frames and pivotably coupled to the pair of retention brackets such that the front panel is movable independently relative to the chassis. During installation and maintenance of the computing system, the front panel is movable linearly along a radial direction relative to the pair of frames and rotatable independently relative to the pair of retention brackets so as to provide clearance for accessing interiors of the chassis.
US11297721B2 Electronic component with flexible terminal
An electronic component comprising a body and at least one terminal for soldering the body to a carrier is provided, with the terminal comprising: an electrode arranged on a surface of the body; an outgassing layer formed on and/or surrounded by the electrode, wherein the outgassing layer is configured to outgas when being heated; and an electrically conductive cover layer formed on the outgassing layer, wherein the cover layer is electrically connected to the electrode and seals the outgassing layer in a gastight manner between the cover layer and the electrode.
US11297720B2 Printed circuit board and method of fabricating the same
A printed circuit board includes an insulating layer, a circuit pattern on the insulating layer, and a surface treatment layer on the circuit pattern. The surface treatment layer includes a bottom surface having a width wider than a width of a top surface of the circuit pattern.
US11297710B2 Extreme ultraviolet lithography system with heated tin vane bucket having a heated cover
An extreme ultraviolet (EUV) light source and a method for patterning a resist layer on a substrate using the EUV light source are disclosed. For example, the EUV light source includes a volume to collect liquid tin debris remaining after a plasma generation process, a cover coupled to the volume, wherein the cover comprises at least one opening to allow the liquid tin debris to fall through the at least one opening of the cover and into the volume, and a heater coupled to the cover, wherein the heater is to melt solid tin that forms from cooling of the liquid tin debris on a surface around the at least one opening of the cover.
US11297708B2 System and method for lighting control
The system for lighting control may include a non-transitory storage medium storing executable instructions for lighting control, a communication component operatively connected to the non-transitory storage medium, at least one imaging device configured to capture images related to an area, and one or more illuminating device configured to light the area. The system may also include at least one processor in communication with the non-transitory storage medium. When executing the set of instructions, the at least one processor may cause the system to obtain image data relating to an area captured by the at least imaging device and determine at least one parameter relating to at least one of the one or more illuminating devices. The system may further include a control component configured to operate the at least one of the one or more illuminating devices to light the area based on the determined at least one parameter.
US11297706B2 Detection circuit and device of TRIAC dimmer and detection method
Disclosed are detection circuit and device of TRIAC dimmer and detection method. Detection circuit comprises line voltage sampling module, peak voltage sampling module, average voltage sampling module, judgment module, bleeder module, line voltage sampling module samples line voltage, outputs sampling voltage to peak voltage sampling module and average voltage sampling module; peak voltage sampling module outputs first comparison voltage to judgment module according to sampling voltage, average voltage sampling module outputs second comparison voltage to judgment module according to sampling voltage; judgment module compares first comparison voltage with second comparison voltage and outputs control signal according to comparison result to control connection or disconnection of bleeder module; bleeder module provides discharge current for TRIAC dimmer when being connected. According to invention, problem that detection result of TRIAC dimmer is unreliable can be effectively solved, and detection accuracy is improved.
US11297686B2 Pervasive computing
Methods, systems, and devices related to the convergence of networking and computing capabilities are described. In one representative aspect, a method for application development is described. The method includes making available a first set of services for an application in a domain. The domain corresponds to an industry having a set of business rules, and the first set of services is structured to invoke a second set of services pre-deployed on a first set of communication nodes. The second set of services includes common functionalities according to the set of business rules in the domain. The method also includes deploying the first set of services on a second set of communication nodes to enable an execution of a subset of the business rules in the domain that is specific to the application.
US11297680B2 Method and apparatus for handling emergency services in a wireless network
Methods and systems for handling emergency services in a wireless network. A method disclosed herein includes enabling at least one User Equipment (UE) supporting only Closed Access Group (CAG) cell/non-public network (NPN) to camp onto at least one non-CAG cell/public network cell to access the emergency services. The method further includes enabling the at least one UE to switch behavior of a timer from a periodic registration timer with a “Strictly Periodic Registration Timer Indication” to a normal periodic registration timer/pre-release 16 behavior for performing the emergency services.
US11297679B2 Method and apparatus for transmitting data over NCCB in wireless LAN system
Proposed are a method and an apparatus for transmitting data in a wireless LAN system. Particularly, an AP transmits a PPDU to one STA. The AP transmits data to the one STA over a first NCCB band or a second NCCB band on the basis of the PPDU. The PPDU includes a first signal field and a second signal field. The first NCCB band is a 40 MHz or 60 MHz band generated by bonding a discontinuous 20 MHz band in an 80 MHz band. The second NCCB band is an 80 MHz, 100 MHz, 120 MHz, or 140 MHz band generated by bonding a discontinuous 20 MHz band in a 160 MHz band. The first signal field includes first information and second information. The first information is NCCB indication information on whether or not an NCCB can be performed. The second information is NCCB bandwidth information for a band to be used for transmitting the PPDU from the first NCCB band and the second NCCB band.
US11297678B2 Discontinuous reception operation for licensed-assisted access
The present disclosure relates to a method for operating a Discontinuous Reception, DRX, function at a user equipment. The UE is configured with at least one licensed cell and at least one unlicensed cell and operates the DRX function. The UE receives, from a radio base station, a DRX-active instruction to be in DRX Active Time at least on the unlicensed cell until receiving the next downlink control information related to a downlink data transmission to be received via the unlicensed cell. Correspondingly, in response to the received DRX-active instruction, the UE is in DRX Active Time at least on the unlicensed cell, comprising continuously monitoring a downlink control channel for downlink control information.
US11297676B2 Beam recovery in connected discontinuous reception
This disclosure relates to methods, systems, and devices for improved beam recovery at mobile stations (UE's) that support connected discontinuous reception (C-DRX). In one exemplary aspect, a method for wireless communication is disclosed. The method includes monitoring, at a communication node configured to operate in a connected discontinuous reception mode, a first plurality of reference signals in a time window that overlaps at least partially with a semi-active time or an active time within a discontinuous reception cycle of the communication node.
US11297675B2 Implementation method, device, user equipment, and base station for discontinuous reception
A method for implementing discontinuous reception includes: when UE is switched from a DRX off stage in an idle state to a DRX on stage, listening indication information sent by a base station is received; and when it is determined based on the listening indication information that it is not needed to continue listening control information in the DRX on stage, the UE is controlled to switch from the DRX on stage to the DRX off stage.
US11297674B2 Method and apparatus for power savings at a user equipment
A method for a user equipment (UE) apparatus to reduce power consumption in response to an outcome of a signal reception. The outcome can indicate whether or not the UE needs to be active at a next discontinuous reception (DRX) cycle. The signal can also provide configurations of parameters for transmissions or receptions during the next DRX cycle and be used by the UE for measurements and to obtain channel state information.
US11297671B1 Use of uplink path loss as a basis to control configuration of dual-connectivity service
When a first access node is considering setup of dual-connectivity service for a UE, the first access node could take into consideration the uplink path loss respectively of each of one or more candidate second access nodes, in order to decide whether to set up the dual-connectivity service for the UE and/or to decide which of the multiple second access nodes to use for the UE's dual-connectivity service. For instance, the first access node may decide to use a given candidate second access node for the dual-connectivity service of the UE, with the decision being based on the given candidate second access node having a lower measure of uplink path loss than one or more other candidate second access nodes.
US11297670B2 Coordinated transmission and control for audio output devices
Methods performed by a first sink device, a source device, or a second sink device. The first sink device is connected to a source device via a first communication link and a second sink device via a second communication link, wherein the second sink device is configured to eavesdrop on communications between the first sink device and the source device on the first communication link. The methods include determining an occurrence of a trigger event and modifying an operation of at least one of the first sink device, the second sink device or the source device based at least on the trigger event occurring.
US11297665B2 Method for managing a cellular radio communications network, a management device, a method to operate a first radio device, a first radio device, a method to operate a second radio device, and a second radio device
A method for managing a cellular radio communications network is proposed. The method comprises: receiving (102) a plurality of numerology capability indications from a plurality of radio devices, wherein a numerology capability indication comprises one or more direct-link block lengths for communicating via a physical direct-link radio channel; receiving a plurality of cell indications, wherein the cell indication indicates in which radio cell the respective radio device is operating; determining an instruction message in dependence on the numerology indications of the first and second radio device and in dependence on the cell indication of the first and second radio device; and transmitting the instruction message towards at least one of the first and second radio devices.
US11297659B2 Paging adjustment in a multiple subscriber identity module device
Methods, systems, and devices for wireless communication are described in relation to a Multiple Subscriber Identify Module (MSIM) user equipment (UE). The UE associated with multiple network subscriptions may determine a first timing of a first set of paging occasions associated with a first network subscription of the multiple network subscriptions, wherein the first network subscription is associated with a first network; determine a second timing of a second set of paging occasions associated with a second network subscription of the multiple network subscriptions, wherein the second network subscription is associated with a second network; compare the first timing and the second timing; detect a paging time adjustment condition based on the comparing; and based on the detecting, transmit to the first network, the second network or both a random access signal using a random access resource configured to convey a paging time adjustment request.
US11297658B2 PRACH scheduling method, scheduled PRACH transmission method, network node and user equipment
The present disclosure provides a PRACH scheduling method at a network node, comprising: generating a scheduling message which includes at least resource block RB assignment information for physical random access channel PRACH, the RB assignment information for PRACH indicating uplink resource for a user equipment UE to transmit a PRACH message; and transmitting the scheduling message on a downlink channel to the UE. The present disclosure also provides a corresponding network node, a scheduled PRACH transmission method at a UE, and a corresponding UE.
US11297654B2 Methods and apparatus to transmit with resources overlapped
Aspects of the disclosure provide methods and an apparatus to transmit with resources overlapped. For example, the apparatus can include receiving circuitry, processing circuitry, and transmitting circuit. The receiving circuitry receives a grant of an uplink resource for an uplink transmission from a base station at a user equipment (UE). The processing circuitry determines a sidelink resource for a sidelink transmission based on a grant from the base station or an autonomous selection by the UE. The transmitting circuitry prioritizes the uplink transmission with the uplink resource over the sidelink transmission with the sidelink resource when the sidelink resource overlaps the uplink resource and a message of a random access channel (RACH) procedure is to be transmitted.
US11297649B2 Device and method for signal processing in licensed assisted access radio system
A dynamic configuration of crest factor reduction in a licensed assisted access radio system. A processing device comprises a detecting block, a clipping pulse generator, a first storage block, a selecting block, a full clipping block and a simplified clipping block. The detecting block performs a listen-before-talk (LBT) procedure on a plurality of carriers in parallel and generates a trigger signal in response to LBT success on one or more carriers. The clipping pulse generator generates, for the carrier(s) with LBT success, a clipping pulse within a time period from the receipt of the trigger signal to the start of user traffic transmission. The first storage block stores the clipping pulse for use by the full clipping block. The selecting block selects the full clipping block when there is user traffic on the carrier(s) and selects the simplified clipping block when there is no user traffic on the carrier(s).
US11297647B2 Multi-carrier detection in a wireless network
Methods, apparatuses, and systems are described for wireless communications. A wireless device may perform listen before talk (LBT) procedures for licensed assisted access (LAA) cells. The LBT procedures may use different monitoring periods. The wireless device may transmit transport blocks (TBs) via the LAA cells.
US11297645B2 Handling conflicts between dynamic scheduling and random access resources
Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may perform a random access channel (RACH) procedure with a base station. The UE may receive a message configuring a RACH preamble occasion and an uplink data occasion. The message may be a radio resource control (RRC) message or a system information (SI) message. In some cases, the UE may determine if the RACH preamble occasion, the uplink data occasion, or both are restricted for cancellation based on the message. The UE may determine when to monitor a downlink control channel for dynamic scheduling based on determining which occasions are restricted for cancellation and may transmit a RACH message based on monitoring—or not monitoring—the downlink control channel for dynamic scheduling preempting a RACH occasion. In some other cases, a base station may schedule transmissions to not overlap with configured RACH occasions.
US11297643B1 Temporary QoS elevation for high-priority 5G messages
Each message in 5G is processed according to a predetermined QoS (quality of service) that determines delay values, order of access, discard probability, and other transmission features. Systems and methods are disclosed for requesting an adjusted QoS for a single data message, without changing the default QoS of the user node's other messages. The QoS adjustment may be an increase in priority (for faster service) or a decrease (to save costs). The temporary QoS request may be transmitted as an SR (scheduling request) message or appended to an SR message. Alternatively, the QoS request may be transmitted on a random access channel concurrently with an SR message, or appended to a BSR (size) message or other message prior to the data message, among other versions disclosed. A nuanced QoS request may specify whether low latency or high reliability or other adjustment, or a combination, is requested. The network may use artificial intelligence (AI) to determine which users may access the QoS adjustment service and under what conditions. Users can thereby control the priority and handling of individual messages, without changing their default QoS, according to some embodiments.
US11297641B2 Scheduling of periodic traffic due to a missed transmission opportunity in unlicensed spectrum
Wireless communications systems and methods related to scheduling communications in a network are provided. A wireless communication device communicates a semi-persistent schedule (SPS) for communicating with a group of wireless communication devices, the SPS including a plurality of resource allocations spaced apart in time. The first wireless communication device identifies a first resource allocation for at least a subset of the group of wireless communication devices based on a missed resource allocation of the plurality of resource allocations associated with a failed listen-before-talk (LBT). Additionally, the wireless communication device communicates with at least the subset of the group of wireless communication devices, communication signals based on the first resource allocation.
US11297637B2 Method for data transmission based on uplink grant, and terminal device thereof
Provided are a data transmission method and devices, which reduce data transmission delay. The method comprises: a terminal device notifies a network device of attribute information of uplink data to be sent of the terminal device via a scheduling request; the terminal device receives indication information sent by the network device, the indication information being used for indicating uplink authorisation for the uplink data to be sent; the terminal device sends the uplink data to be sent according to the uplink authorisation.
US11297635B2 Slot bundling
Systems and methods to bundle mini-slots in an OFDM based wireless communication system. Mini-slots are bundled to improve the probability of successful reception by Permitting repeated transmission of a given transport block of data. Mini-slots which are contiguous or non-contiguous in time and/or frequency may be bundled, and mini-slots from different slots may also be bundled.
US11297633B2 Method and apparatus for processing buffer status report and communication system
A user equipment (UE), the UE including: a controller configured to control to trigger a Buffer Status Report (BSR) if an allocated uplink resource for a Transmission Time Interval (TTI) is capable of accommodating a Sidelink Buffer Status Report (BSR) Medium Access Control (MAC) Control Element (CE) containing a buffer status for at least one Sidelink Destination and its corresponding MAC subheader; and a transmitter configured to transmit the BSR, wherein, the controller controls to cancel all triggered Sidelink BSRs if no side-link data available for transmission exists.
US11297626B2 Information indication method and apparatus, base station and user equipment
The present disclosure relates to an information indication method and apparatus, a method and an apparatus for determining a CORESET of RMSI, a base station, user equipment and a computer-readable storage medium. The method includes: configuring, for a CORESET of RMSI corresponding to an SSB, indication information indicating that the base station has not transmitted the CORESET of the RMSI in a current transmission cycle of the SSB; adding the indication information to the SSB; and transmitting the SSB carrying the indication information to user equipment UE in a beam scanning manner.
US11297625B2 Method, system and apparatus for signaling station capabilities to establish wireless connections
A method in a first wireless station of establishing a connection with a second wireless station includes: generating a frame including a capabilities element having: a core capabilities field containing a predefined sequence of core subfields having respective predefined lengths; the core subfields containing respective first core values defining core capabilities of the first wireless station; and at least one extended capability field containing: an extended capability identifier subfield containing an identifier of one of a plurality of predefined extended capabilities; an extended capability length subfield containing an extended capability length value; and an extended capability payload subfield having a length equal to the extended capability length value; the payload subfield containing a first extended value defining an extended capability of the first wireless station; and responsive to generating the frame, transmitting the frame.
US11297620B2 Joint beam selection and resource partitioning in a mm-wave network
A method for jointly optimizing beam selection and partitioning of transmission resources for a downlink between a base station (BS) and a user equipment (UE) in a mm-wave cellular network such as the small cell layer of a 5G network. A UE position estimate is used for accurate BS beam selection and alignment between the BS and UE beams and/or provide position-based services or functionalities. An optimal partitioning factor is obtained either by maximizing a communication performance indicator while meeting a constraint upon a localization performance indicator or by maximizing a localization performance indicator while meeting a constraint upon a communication performance indicator. A communication performance indicator can be an effective rate coverage probability or an effective throughput.
US11297615B2 Wireless communication method and device
The present disclosure provides a method executed by user equipment, the method comprising: receiving downlink control information (DCI), the DCI comprising a repetition number; determining a number of subframes required to transmit a physical uplink shared channel (PUSCH) (N) according to the repetition number, a number of allocated resource units, and time occupied by each resource unit; and transmitting the PUSCH in the determined N subframes. The time occupied by each resource unit is expressed by: a number of uplink slots occupied by each resource unit, or a number of uplink subframes occupied by each resource unit. In addition, the present disclosure further provides corresponding user equipment and a base station.
US11297609B2 Bandwidth query report poll
Embodiments of systems and methods for wireless communication in a wireless network include generation of a bandwidth query report poll (BQRP) frame by an access point and transmission of the BQRP frame to multiple wireless stations. The BQRP frame includes a bandwidth query for each station. Each wireless station receives the BQRP frame and generates a bandwidth query report. The bandwidth query report includes channel availability information at a corresponding wireless station. The access point allocates channel resources to each wireless station according to the channel availability information.
US11297607B2 Performance-based optimization of QoS factors
Described herein are one or more self-organizing network (SON) components configured to determine QoS factors associated with QoS classes for a node of a telecommunication network based at least in part on performance metrics, network configuration, or network fault information. The one or more SON components may receive the performance metrics, network configuration, or network fault information from the node, and the performance metrics, network configuration, or network fault information may be associated with communication of traffic of the QoS classes by the node. Upon determining the QoS factors, the one or more SON components may transmit indications of the QoS factors to the node.
US11297603B2 Neutral host architecture for a distributed antenna system
A remote radio head unit (RRU) system for achieving high data rate communications in a Distributed Antenna System is disclosed. The Distributed Antenna System is configured as a Neutral Host enabling multiple operators to exist on one DAS system. The present disclosure enables a remote radio head unit to be field reconfigurable and support multi-modulation schemes (modulation-independent), multi-carriers, multi-frequency bands and multi-channels. As a result, the remote radio head system is particularly suitable for wireless transmission systems, such as base-stations, repeaters, and indoor signal coverage systems.
US11297601B2 Resource allocation method and orchestrator for network slicing in the wireless access network
A resource allocation method for network slicing and an orchestrator, comprising: uniformly incorporating resources originally bundled statically with the base station into a dynamic resource pool; allocating, by an orchestrator, resources from among the dynamic resource pool for the network slicing based on different network slicing requirements. A static corresponding/mapping relationship between the hardware/radio resources and the base station is broken, such that hardware/radio resources (e.g., radio access network Virtual Network Function (RAN VNF), baseband unit (BBU), RRH (Remote Radio Head) as well as antenna) that originally corresponded to different base stations will be organized as an integrated and dynamic hardware/radio resource pool and reported to the orchestrator, such that the orchestrator will centrally manage all hardware/radio resources in this pool and then sufficiently utilize and dynamically orchestrate these hardware/radio resources based different needs from the network slicing.
US11297599B2 Simultaneously broadcasting acknowledgements of reception of uplink wireless communication
Apparatuses, methods, and systems for communicating through a wireless link are disclosed. A method includes scheduling, by a server, communication between a base station and a plurality of hubs, receiving, by the base station, the scheduled communication, providing, to each hub, a data profile that includes a periodicity, an offset, and a carrier frequency based on the scheduled communication, receiving, by the base station, uplink wireless communication from each of the plurality of hubs according to the data profile of each of the hubs and according to the scheduled communication, and simultaneously broadcasting, by the base station, acknowledgements of reception of uplink wireless communication from each of the plurality of hubs.
US11297598B2 Method and device for transmitting signals
The present application provides a method for transmitting signals, which includes the following. A device determines time-frequency resources for transmitting a first type of system information and a second type of system information according to a synchronizing signal and/or a broadcast channel, determines a reference signal (RS) for demodulating the first type of system information and the second type of system information according to the time-frequency resources, and transmits the first type of system information, the second type of system information and the corresponding reference signal.
US11297592B2 Electronic beacon for a localization system
A beacon is provided comprising a processor circuit configured to, in dependency on an occupancy signal, switch the radio circuit mode to active mode and periodically transmit the localizing beacon signal through the radio circuit, or switch the radio circuit mode to reduced-energy mode and reduce transmitting of the localizing beacon signal.
US11297584B2 Method and apparatus for device-to-device user equipment to transmit signal in wireless communication system
A method for transmitting a D2D (Device to Device) signal in a wireless communication system, includes receiving, by a user equipment (UE), a synchronization signal; and transmitting, by the UE, the D2D signal based on a timing advance offset related to a reception timing of the synchronization signal, wherein the timing advance offset is a value greater than 0 based on that the UE is the in-coverage of a node B, and wherein the timing advance offset is a value equal to 0 based on that the UE is the out-of-coverage of the node B and the synchronization signal is related to the in-coverage of the node B.
US11297583B2 Premium device-aided low-tier device group delay calibration for NR positioning
Techniques are provided for calibrating group delay for a low-tier UE by leveraging the relatively high accuracy of RTT positioning for a premium UE. This can enable online/in-field group delay calibration of low-tier UEs, allowing for low-tier UEs to be calibrated when needed. Depending on desired functionality, techniques for calibration may include the use of RTT measurements with a base station, or an RTT measurement between the low-tier UE and the premium UE.
US11297582B2 Synchronization signal block selection
Apparatuses, methods, and systems are disclosed for synchronization signal block selection. One method includes receiving multiple synchronization signal blocks on a first wideband carrier. Each synchronization signal block includes at least one synchronization signal and a physical broadcast channel. The method includes detecting at least one synchronization signal block of the synchronization signal blocks, determining at least one synchronization signal frequency associated with the at least one detected synchronization signal block, and selecting a first synchronization signal block of the at least one detected synchronization signal block and a first synchronization signal frequency of the at least one synchronization signal frequency. The first synchronization signal block is associated with the first synchronization signal frequency. The method includes decoding a first physical broadcast channel of the first synchronization signal block, and determining whether to reselect the first synchronization signal block based on a result of decoding the first physical broadcast channel.
US11297580B2 Timing method for synchronization signal block, and related product
A method for determining timing of a synchronization signal block (SS block) includes: receiving, by a user equipment, timing information of the SS block sent by a network apparatus; and determining, by the user equipment, timing of the SS block according to the timing information of the SS block. Embodiments of the present disclosure can be employed to achieve accurate timing for an SS block.
US11297578B2 Radio base station, wireless terminal, radio communication system, transmission power controlling method, control circuit and program storage medium
The present invention includes: a plurality of antenna sections, each of which to generate base station reception beams and to receive, by using the base station reception beams, one or more signals transmitted from a wireless terminal using one or more terminal transmission beams; a measurement unit that measures reception quality of each of the signals for each of the base station reception beams; and a control unit that groups the base station reception beams into groups in units of the antenna sections, and perform transmission power control on the terminal transmission beams of the wireless terminal in units of the groups, on the basis of a result of measurement of the measurement unit in units of the groups.
US11297574B2 Wake-up signal operation for UE power saving
A UE receives one or more modulation symbols on one or more resource elements prior to an ON duration in a particular DRX cycle in RRC connected mode. The one or more resource elements are allocated to carry a wake-up signal. The UE performs a blind detection of the wake-up signal on the one or more modulation symbols in accordance with a DCI format and a group identifier identifying a group of UEs including the UE. The wake-up signal includes an indication that indicates whether one or more UEs of the group of UEs should monitor a down link control channel in the ON duration. The UE determines whether to operate in a normal state and monitor a down link control channel in the ON duration based on the wake-up signal when the wake-up signal is detected.
US11297570B2 Terminal device, infrastructure equipment, wireless telecommunications system and methods
A terminal device for use with a wireless telecommunications system, the terminal device configured to attempt to receive or to transmit a first signal during one or more of a plurality of predetermined time periods in response to determining that one or more second signals indicating, respectively, that the one or more of the plurality of predetermined time periods should be used for the attempted reception or transmission of a first signal have been received by the transceiver; determine a characteristic associated with the one or more second signals; and to control the transceiver to receive a third signal from the infrastructure equipment or to transmit a third signal to the infrastructure equipment, the third signal comprising information on the basis of which it is determinable whether or not a predetermined condition associated with the characteristic associated with the one or more second signals has been met.
US11297558B2 Methods for network configuration sharing
A method for network configuration sharing includes receiving a home network configuration associated with a user, identifying an away network, and modifying the configuration of the away network based on the configuration of the home network.
US11297555B2 Facilitation of dynamic edge computations for 6G or other next generation network
In 6G, there are multiple radios that can cover the same location at any time, and yet radio failure can occur. However, a mobile edge computing (MEC) platform can increase the footprint of adjacent radios to compensate for a failed radio. To reduce the failure interruption and maintain a quality of experience for a subscriber, the MEC can utilize a virtual session capability to communicate radio change of service characteristics to a service provider. Consequently, the change in service characteristics can comprise an expanded coverage area for adjacent radios such that a mobile device of the subscriber can take advantage of the expanded coverage area without experiencing an interruption in service.
US11297546B2 Neighboring mobility reference signal set search in beam-based NR mobility
According to certain embodiments, a method in a wireless device (110) for performing mobility measurements includes detecting (402) a first mobility measurement signal component sent from a network node (100), the first mobility measurement signal comprising a group ID information. The method may further include determining (404) one or more of a beam ID range and a resource allocation range for a second mobility measurement signal component using the group ID information. And, the method may further include detecting (406) the second mobility measurement signal component using the one or more of the beam ID range and the resource allocation range.
US11297545B2 Switching method and access network device
Embodiments of the present application disclose a switching method and an access network device. The switching method comprises: on a terminal device switching from a first control plane core network device to a second control plane core network device, a first access network device sending a tunnel setup request message to a second access network device; the first access network device receiving information of a data tunnel established by the second access network device according to the tunnel setup request message; and the first access network device sending information of the data tunnel to the terminal device, wherein the information of the data tunnel is used for data transmission between the terminal device and a user plane core network device. The embodiments of the present application can improve reliability of data transmission.
US11297539B1 Quality of service continuity in converged networks
Various embodiments comprise systems, methods, architectures, mechanisms and apparatus for managing service provider network nodes in a converged network by identifying indicia of a reduced Quality of Service (QoS) level of network services provided to user equipment (UE) via a WiFi access point (WAP) such that a WiFi control entity may responsively communicate the identification of affected UE to various provider equipment such that the UE may be migrated to a proximate service provider mobile network node in accordance with a network slice having a Quality Class Index (QCI) of at least a minimum QoS level indicated by the subscriber profile information.
US11297536B2 Method for transmitting flow control request by wireless node in wireless communication system and apparatus therefor
A method for transmitting a flow control request by a wireless node in a wireless communication system is disclosed. The method comprises receiving information related to a first destination and a second destination and information related to first and second threshold values for triggering the flow control request; based on a reception buffer status value being greater than the first threshold value and is less than the second threshold value, transmitting the flow control request to the first destination; and based on the reception buffer status value being greater than the second threshold value, transmitting the flow control request to the second destination.
US11297534B2 Intelligent and optimal resource selection within a network slice
A method is provided for use in a network that includes a plurality of user plane functions that perform processing of user plane traffic sessions from one or more mobile wireless user devices. The method includes periodically monitoring resource utilization of the plurality of user plane functions to estimate a resource utilization level of respective user plane functions. Based on the periodically monitoring, the method further includes storing for the respective user plane functions a resource utilization level indicator for each of the respective user plane functions according a resource utilization level of the respective user plane functions. User plane traffic sessions for a given tracking area are re-assigned (moved) among the plurality of user plane functions based on the resource utilization level indicators for the respective user plane functions to achieve a desired quality of experience for the user plane traffic sessions.
US11297531B2 Network apparatus and method therefor
A network apparatus (10, 30) incorporates edge computing related control information (1001, 1101) into a header part (800) of a protocol data unit of an encapsulation protocol that is used to encapsulate a user packet originated from or destined for a radio terminal. Further, the network apparatus (10) transmits the protocol data unit whose header part (800) contains the edge computing related control information (1001, 1101).
US11297526B2 Wireless device, radio network node and methods performed therein
Embodiments herein relate to method performed by a radio network node (12) for handling communication between wireless devices over a sidelink in a wireless communication network. The radio network node configures a wireless device by indicating a set of one or more quality of service, QoS, requirements, wherein each QoS requirement comprises a threshold associated with a QoS characteristic, and by indicating a mapping of one or more logical channel groups, LCG, reserved for buffer status report, BSR, reporting of a sidelink for data fulfilling respective QoS requirement out of the set of one or more QoS requirements.
US11297525B2 Allocation of data radio bearers for quality of service flows
An example method can include receiving information identifying a quality of service (QoS) flow for a communication session involving a user equipment (UE). The information can include a QoS profile and a QoS flow identifier (QFI). The method can include identifying, from a QoS profile, a QoS configuration identifier associated with the QoS flow and selecting a data radio bearer (DRB) for the communications associated with the QoS flow. The DRB can be selected based on a mapping of a plurality of DRBs to a plurality of QoS flows, and the mapping can be based on corresponding QoS configuration identifiers of the plurality of QoS flows. The method can include assigning the QoS flow to the DRB by adding the QFI of the QoS flow to the mapping relative to the DRB and causing the communications associated with the QoS flow to be transmitted using the DRB.
US11297524B2 Base station, and QoS control method of wireless section
Disclosed is technology for applying a more differential QoS, that is, service quality to each communication service by implementing a differential QoS control in a radio section more precisely without any increase in complexity and load compared to a conventional bearer based QoS control method.
US11297511B1 AI-DFS (artificial intelligence enabled dynamic frequency selection) for steering downgraded wireless stations on 160 MHz bandwidth supported wireless data communication networks
A station with a 160 MHz channel connection at a first access point is downgraded by an access point in response to being displaced off of a channel status changing to NOP (non occupancy period). This can be caused by ambient radar signals. The downgrade is addressed by redistributing the 160 MHz stations to other access points with available 160 MHz channels. Stations are steered to a network-wide best available bandwidth channel across different access points.
US11297508B1 Specific communication emitter identification method based on an instantaneous envelope equipotential constellation trace figure
Disclosed is a specific communication emitter identification method based on an instantaneous envelope equipotential constellation trace figure, including: selecting a specific communication emitter and acquiring its radio frequency signal fragment, performing instantaneous envelope extraction to the radio frequency fragment, and representing the instantaneous envelope with a constellation trace figure using a constellation trace figure two-dimensional visualization method, wherein the constellation trace figure serves as a radio frequency fingerprint of a transmitter, and inputting the radio frequency fingerprint into a classifier to identify. The disclosure overcomes drawbacks in conventional technologies.
US11297501B2 Firewall discovery and management
Updating firewalls can be difficult if many devices need to be manually reconfigured. To assist, vendors provide management tools. If the tool requires manual adding/deleting known firewalls, this is problematic in networks with many devices. If devices are hosted within a virtual private cloud, the tool may adopt a centralized “star” configuration and maintain live contact with all firewalls. This exposes firewalls to risk if the central tool is compromised. An alternative to a central tool is to implement a tool local to an environment, secure the tool with multi-level authentication, and provide automatic active firewall discovery, e.g., automate adding/deleting firewalls in an environment defined with respect to criteria that may be used to define a collection of active firewalls. Configuration changes may be pushed to the collection. Authentication credentials to access the firewalls are ephemerally cached and flushed after use so the tool cannot be compromised.
US11297486B2 Systems and methods to improve network performance in wireless networks using user mobility patterns
A device may include a processor configured to collect historical location data for a user equipment (UE) device associated with a user and determine a movement pattern for the user based on the collected historical location data. The processor may be further configured to obtain current location data for the UE device over a time period; determine a mobility score for the user for the time period based on the determined movement pattern and the obtained current location data, wherein the mobility score is associated with the user's movements during the time period with respect to the determined movement pattern for the user; and provide the determined mobility score for the user to another device configured to adjust one or more parameters of a radio access network (RAN) associated with the UE device based on the determined mobility score.
US11297484B1 Dynamic anchor assignment using sector power ratio
Systems and methods herein disclose determining anchor assignment for one or more user devices (UE). The system comprises at least a first node and a second node, each of the first and second nodes are configured to wirelessly communicate with one or more UEs in a geographic service area. The system determines a sector power ratio for the first node and the second node; determines that at least one node has a SPR value above a predetermined threshold, and then receives historical data for the first node and this second node. Based on the historical data received, a physical cell identification (PCI) value is determined for each node and the node with the lower PCI frequency change from a UE perspective is assigned as the anchor node for one or more UEs. In additional aspects, a frequency band is also assigned based on SPR.
US11297475B2 Device for transmitting data within a vehicle
A device for transmitting data within a vehicle comprises a first connecting element and a cable transmission element. The first connecting element is connected to an antenna and translates a high-frequency data received by the antenna into a digital data. The cable transmission element is connected to the first connecting element and transmits the digital data.
US11297472B2 Method and apparatus for load distribution using a plurality of carriers in communication system supporting vehicle-to-everything communication
An operation method of a first communication node in a communication system supporting Vehicle-to-Everything (V2X) communications can include: determining at least one frequency band for transmission of semi-persistent scheduling (SPS) traffic; generating user equipment (UE) assistance information including information indicating the at least one frequency band; and transmitting the UE assistance information to a base station supporting the V2X communication.
US11297471B2 Facilitation of interconnectivity for mobile devices for 5G or other next generation network
Wireless mobile device functionality can be added to radio devices via a hardware device that comprises wireless network access. Alternatively, radio device functionality can be shared with a wireless mobile device or the hardware device. The functionalities of either device can be shared via a physical or wireless connection. For example, a microphone device comprising a display screen and long-term evolution (LTE) functionality can be connected to a radio device to facilitate LTE functionality for the radio device. Thus, a user of the radio device can utilize the display screen of the microphone device to send text data, which could not previously be sent by the radio device, over the wireless network via the microphone device.
US11297467B2 Techniques for modular multimedia broadcast and multicast service (MBMS) delivery
Aspects of the present disclosure provide a system, method, and apparatus for providing multimedia broadcast and multicast service (MBMS) operations in a wireless communication system. In some aspects of the present disclosure, the system, method and apparatus may provide flexibility for an application server to select one or more MBMS service delivery functionalities supported by a network device for transmission of multimedia content to a mobile device. The MBMS service delivery functionalities selected by the application server may be a subset of a plurality of MBMS service delivery functionalities supported by the network device.
US11297465B1 Systems and methods for determining an actual driver of a vehicle based at least in part upon telematics data
The present embodiments may relate to determining an actual driver of a vehicle based upon telematics data. For instance, a driver identification (DI) computing device may be configured to: (1) receive a first plurality of measurements captured at a first user device during a trip taken by a vehicle; (2) receive a second plurality of measurements captured at a second user device during the trip; (3) determine, based upon the measurements, that the user devices are within the vehicle during the trip; (4) calculate a respective enhanced geographic location measurement for each of the measurements based upon the measurements; (5) determine, based upon the enhanced geographic location measurements, a predicted position of the second user device relative to the first user device; and (6) identify, from among the user devices, a driver user device based upon the predicted position of the second user device relative to the first user device.
US11297461B2 Geofencing in commercial transport vehicles
Devices, systems and methods for geofencing in commercial transport vehicles are disclosed. An exemplary method includes establishing, based on a heat map of signal strength at frequencies used by a first wireless protocol in the commercial transport vehicle, a geofence for communication by a user, and controlling, based on the geofence, an availability or a level of one or more services to the user, wherein the geofence comprises one or more boundaries within the commercial transport vehicle, and wherein the one or more services are deactivated if a location of the user is outside the one or more boundaries of the geofence.
US11297460B2 Wireless beacon and methods
One variation of a method for distributing notifications to a mobile computing device, includes: receiving a unique identifier broadcast wirelessly from a wireless beacon arranged within a physical space; receiving authorization to communicate with the wireless beacon based on the unique identifier; identifying a product arranged within the physical space proximal the wireless beacon; projecting a level of interest in the product by a user affiliated with the mobile computing device based on communication between the mobile computing device and the wireless beacon during a period of time; and in response to the level of interest in the product exceeding a threshold value, presenting, on the mobile computing device, a product ordering option for ordering a unit of the product.
US11297452B2 Inspection system and inspection method
An inspection system includes two or more microphone units and an inspection controller. The two or more microphone units are disposed side by side in a vehicle. The inspection controller is configured to cause an inspection-target speaker to output an inspection sound, and determine, on the basis of a sound picked up by a main microphone unit and a sound picked up by one or more satellite microphone units, whether the inspection-target speaker passes or fails. The inspection-target speaker is any of one or more speakers mounted on the vehicle. The main microphone unit is one, of the microphone units, that is disposed at a position corresponding to a position of the inspection-target speaker. The one or more satellite microphone units are each one of the microphone units excluding the main microphone unit.
US11297449B2 Cochlear external device with external microphone
A cochlear external device with an external microphone according to an embodiment of the present disclosure may include an external device body attached to a side of the head of a user, an internal microphone embedded in the external device body to collect sound, an external microphone located at the outside of the external device body to be attached around the ear of the user to collect sound, a connection cable configured to connect the external microphone and the external device body in a wired manner; and a control unit embedded in the external device body to generate an output signal based on the sound collected by at least one of the internal microphone and the external microphone and transmit the generated output signal to a cochlear implant transplanter.
US11297447B2 Hearing device and method of updating a hearing device
A hearing device includes: a processing unit configured to compensate for hearing loss of a user of the hearing device; a memory unit; and an interface; wherein the processing unit is configured to obtain one or more security settings via the interface, the one or more security settings comprising a hearing device key identifier, verify the one or more security settings, and update the hearing device based on the one or more security settings if the one or more security settings are verified.
US11297443B2 Hearing assistance using active noise reduction
In general, in one aspect, a hearing aid has an ANR circuit and an ear tip that acoustically occludes the ear. Such a hearing aid provides greater gain to sounds than would be stable in the same hearing aid with a vented ear tip. The ear tip and the ANR circuit in combination attenuate sounds reaching the ear canal through the hearing aid to a first level. The hearing aid detects sounds arriving at a microphone, amplifies those sounds, and provides the amplified sounds to the ear canal at a second level and later in time than the same sounds arrive at the ear canal through the ear tip. The first level is at least 14 dB greater than the second level, such that the amplified sounds do not interact with the passive sounds to result in spectral combing.
US11297439B2 Display apparatus including flexible vibration module and method of manufacturing the flexible vibration module
A display apparatus including a flexible vibration module and a method of manufacturing the flexible vibration module are provided. A display apparatus includes: a display panel configured to display an image, and a flexible vibration module on a rear surface of the display panel, the flexible vibration module configured to vibrate the display panel, the flexible vibration module including: a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions respectively between pairs of the plurality of first portions, the plurality of second portions having flexibility.
US11297436B1 Solid-medium sound conducting receiver and electronic device with the same
A conduction receiver utilizing sound transmission through a solid medium includes an outer casing, a vibration reed, a magnet, a washer, a coil, and a lid. The lid covers surfaces of the outer casing to form a sealed first receiving space. The vibration reed, the magnet, the washer, and the coil are all arranged in the first receiving space. A peripheral surface of the vibration reed is coupled to the outer casing. The magnet is arranged at a side of the vibration reed away from a bottom of the outer casing. The washer is arranged at a side of the magnet away from the vibration reed. A first end of the coil is fixed to an inner surface of the lid, and a second end of the coil extends into the first receiving space and is coiled around the magnet and the washer. An electronic device is also provided.
US11297433B2 Limiter for bass enhancement
A dry audio signal may be received. An envelope of the dry audio signal may be compared to a threshold of the playback device to determine a dry excess. A filter may be applied to the dry audio signal to generate a wet audio signal. An envelope of the wet audio signal may be compared to the threshold to determine a wet excess. Based on the dry and wet excess, a dry gain may be determined for the dry audio signal and a wet gain may be determined for the wet audio signal. The wet audio signal and the dry audio signals may be mixed in proportion to respective gains. The mixed audio signal may avoid exceeding an operational limit associated with audio playback on the playback device.
US11297431B2 Sound speaker for a vehicle
A sound speaker for a vehicle is provided. The sound speaker includes a flat surface with a rod extending perpendicular from the surface, a cylindrical electro-dynamic exciter with an axial longitudinal through hole arranged for receiving the rod and a circular clamp for securing the electro-dynamic exciter on the first flat surface in a closed position. The electro-dynamic exciter includes a longitudinal rib inside the through hole and the rod includes a longitudinal recess for receiving the rib. The rod further includes a lateral recess for receiving the clamp. A least a part of the lateral recess forms a conical frustum and the clamp in the closed position forms a corresponding conical frustum. This part of the lateral recess pushes the clamp in the closed position against the electro-dynamic exciter towards the flat surface.
US11297429B2 Proximity detection for wireless in-ear listening devices
Systems and methods for detecting proximity of a wireless listening device to a user's ear comprise a housing adapted for positioning in and/or adjacent to an ear canal of a user, wireless components disposed within the housing, the wireless components operable to receive a wireless signal from a host device, and in-ear detection components operable to analyze the wireless signal and detect a proximity of the housing to the ear canal of the user. The in-ear detection components may include a differentiator operable to receive a gain of the wireless signal and output a rate of change of the gain, a comparator operable to output a proximity state if the rate of change is greater than a threshold value, wherein the proximity state includes an in-ear state and an open-air state, and false detection components operable to analyze the wireless signal to confirm the determined proximity state for an interval of time.
US11297424B2 Joint wideband source localization and acquisition based on a grid-shift approach
Techniques of source localization and acquisition involve a wideband joint acoustic source localization and acquisition approach in light of sparse optimization framework based on an orthogonal matching pursuit-based grid-shift procedure. Along these lines, a specific grid structure is constructed with the same number of grid points as compared to the on-grid case, but which is “shifted” across the acoustic scene. More specifically, it is expected that each source will be located close to a grid point in at least one of the set of shifted grids. The sparse solutions corresponding to the set of shifted grids are combined to obtain the source location estimates. The estimated source positions are used as side information to obtain the original source signals.
US11297423B2 Endfire linear array microphone
Endfire linear array microphone systems and methods with consistent directionality and performance at different frequency ranges are provided. The endfire linear array microphone includes a delay and sum beamformer and a differential beamformer. The delay and sum beamformer may produce pickup patterns with good directionality at higher frequency ranges, but cause the pickup patterns to become more omnidirectional at lower frequencies. The differential beamformer may produce pickup patterns with good directionality at lower frequencies. By combining the delay and sum beamformer and differential beamformer within the linear array microphone, the overall directionality of the linear array microphone may be maintained at different frequency ranges while using the same microphone elements.
US11297422B1 Methods and apparatus for wear noise audio signature suppression
Methods, apparatus, systems and articles of manufacture are disclosed for wear noise audio signature suppression. An example method disclosed herein includes generating an audio signature based on a media audio signal during a first time period, collecting acceleration data during the first time period, determining whether the acceleration data corresponds to wear noise having occurred during the first time period, and in response to determining the acceleration data corresponds to wear noise during the first time period, inhibiting transmission of the audio signature to a central facility.
US11297419B2 Array microphone and sound collection method
A sound collection method and a microphone array estimate at least one sound source direction and form a plurality of sound collection beams in the estimated plurality of sound source direction, using sound collection signals of a plurality of microphones. The number of sound source directions estimated is smaller than the number of sound collection beams formed.
US11297417B2 Voice controlled assistant
An apparatus including a housing and a sleeve that engages and at least partially encloses the housing. The housing may include a top portion having a loudspeaker and an exterior surface and a bottom portion having a loudspeaker and an exterior surface. An audio diffuser may be positioned between the top portion of the housing and the bottom portion of the housing so as to radially disperse sound from the loudspeakers. A light ring on the housing may indicate a functional state of the apparatus. Protrusions on the housing may interact with indentations on the sleeve to position and align the housing within the sleeve. The sleeve may include holes to allow sound to be outputted from the loudspeakers. Magnets and alignment elements may further situate and secure the housing to the sleeve.
US11297416B2 Microphone and electronic device having the same
The present disclosure relates to microphones and electronic devices having the same. A microphone may include a housing for receiving vibration signals; a converting component inside the housing for converting the vibration signals into electrical signals, and a processing circuit for processing the electrical signals. The converting component may include a transducer and at least one damping film attached to the transducer.
US11297414B2 MEMS microphone
An MEMS microphone is provided, comprising a substrate and a vibration diaphragm supported above the substrate by a spacing portion, the substrate, the spacing portion, and the vibration diaphragm enclosing a vacuum chamber, and a static deflection distance of the vibration diaphragm under an atmospheric pressure being less than a distance between the vibration diaphragm and the substrate, wherein: a lower electrode forming a capacitor structure with the vibration diaphragm is provided on the substrate, and an electret layer providing an electric field between the vibration diaphragm and the lower electrode is provided on the substrate
US11297413B2 Inverter vent and loudspeaker
Embodiments of the present disclosure provide an inverter vent and a loudspeaker having the same. Preferably, air flows within the inverted vent in a 360 degrees full-circumferential direction. This design can improve the efficiency of the loudspeaker, reduce the wind noise, and increase the bass ductility.
US11297412B2 Miniature moving coil loudspeaker with ferrofluid
Various implementations include loudspeaker drivers. In some aspects, an electro-acoustic driver includes: a cup section; a core section at least partially housed in the cup section, the core section including: a primary magnet; and a coin adjacent to the primary magnet; a bobbin surrounding the core section between the cup section and the core section, where the bobbin and the core section define an inner magnetic gap; a coil surrounding the bobbin and a portion of the core section; and a ferrofluid located at the inner magnetic gap, where the driver has an outer diameter less than or equal to approximately 10 millimeters.
US11297409B2 Remote speaker microphone unit for use with headset
A remote speaker microphone (RSM) unit enables a user to use either a headset or an in-ear speaker with the RSM unit. The RSM unit includes a first RSM connection for communicating and connectable with the first connection of the headset; and a second RSM connection for communicating and connectable with the second connection of the in-ear speaker. Connecting either the headset or the in-ear speaker to the RSM unit disables the speaker and microphone of the RSM unit. At least one of the first and second connections are wireless, e.g., Bluetooth or NFC, and at least one of the first and second RSM connections are wireless connections communicable with the first and second connections, respectively. In addition or the alternative, at least one of said first connection and said second connection are electrical plugs and at least one of said first and second RSM connections are corresponding electrical jacks.
US11297408B2 In-ear earpiece retaining structure
Aspects describe a dual-planar retaining piece for stabilizing and securing earpiece in a wearer's ear. The retaining piece is either fixed or removable from the earpiece. The retaining piece includes a first cantilevered portion shaped to flexibly fit under the antitragus of a wearer's ear when the earpiece is worn, a second cantilevered portion shaped to flexibly fit under the antihelix of the wearer's ear when the earpiece is worn, and at least one attachment feature that couples the retaining piece to a body of the earpiece, wherein the body is shaped to fit in the lower concha of the wearer's ear when the earpiece is worn. In aspects, the first and second cantilevered portions are integrally formed.
US11297401B2 Method for testing a plurality of notification appliances connected to a bus system and notification appliance for conducting the test
Various embodiments include a method for operating a hazard notification system including a plurality of notification appliances connected to a bus system, each notification appliance having a signal element and an activatable energy consumption simulation unit comprising: receiving a switchover telegram at each notification appliance; attaching the respective energy consumption simulation unit of each notification appliance to the bus system in place of the signal element; measuring an energy consumption resulting in the bus system due to the activation of each energy consumption simulation unit in the course of a load test; comparing the measured energy consumption with predefined comparison values; and generating an alarm signal or a fault message as a function of the result of the comparison.
US11297400B2 Systems and methods for rearranging a trailer for media content based on spoiler information
Systems and methods are provided herein for rearranging the order of a plurality of segments of a trailer for media content, based on a retrieved viewing history of at least one user watching the trailer. Based on the retrieved viewing history, it is determined whether any of the plurality of segments arranged in a predetermined order contain spoiler information for the at least one user. Responsive to the determination that at least one of the plurality of segments contains spoiler information, a position of the at least one segment within the trailer is rearranged to generate a rearranged order of the plurality of segments, and the trailer in the rearranged order is generated for display.
US11297398B2 Watermark-based metadata acquisition and processing
The disclosed embodiments relate to media devices implementing new television standards, such as ATSC 3.0, which includes audio/video essence and metadata/signaling. The disclosed embodiments include techniques for creating a signaling file that contains metadata and signaling data about the broadcast service being presented. The signaling file may include URLs that can be used to access signaling information for supplementary signaling and content. The signaling also contains a mapping between a first timing system and a second timing system. The first timing system may comprise the watermark timeline represented in interval s and the second timing system may comprise a DASH presentation time.
US11297396B2 Creation of non-linearly connected transmedia content data
The invention relates to systems and methods for manipulating non-linearly connected transmedia content, in particular for creating, processing and/or managing non-linearly connected transmedia content and for tracking content creation and attributing transmedia content to one or more creators. Specifically, the invention involves creating a transmedia content data item by a first user and storing the transmedia content data item in a data store, along with a record indicating an association between the first user and the transmedia content data item; creating an ordered group of transmedia content data items by a second user, the ordered group comprising a pointer to the transmedia content data item of the first user; and storing the ordered group and a record associating both the first user and the second user with the ordered group in the data store.
US11297388B2 Systems and methods for deep recommendations using signature analysis
Systems and methods are described herein for providing content item recommendations based on a video. Specifically, content item recommendations are provided using a machine learning model. The machine learning model is trained using feature vectors that are correlated to one another. The correlated feature vectors include information indicative of a texture and shape intensity of an image. Using the feature vectors (e.g., image or video signatures), a recommendation system improves content recommendation using analytic and quantitative characteristics derived from a frame of a content item rather than merely manually labeled bibliographic data (e.g., a genre or producer).
US11297385B1 Content-modification system with feature for managing multiple content-modification requests
In one aspect, a method includes receiving a first request for first supplemental content for use by a content-presentation device in performing a first content-modification operation, receiving a second request for second supplemental content for use by a tuner device in performing a second content-modification operation. The method also includes determining that the content-presentation device is connected to the tuner device, and based at least in part on the first and second requests, determining that the first and second requests are associated with the same modifiable content-segment, and, in response to the determinations, using one or more parameters as a basis to select for performance an action from a set of actions including a first action that facilitates performance of the first content-modification operation and a second action that facilitates performance of the second content-modification operation.
US11297382B2 Application triggering
An apparatus, method, system and computer-readable medium are disclosed for, in one aspect, determining when a trigger, such as an application trigger, should be generated. In some embodiments, the application trigger may be generated when a frame included in a feed (e.g., a content feed) matches a specified or indicated frame. In some embodiments, a comparison between the feed and the specified or indicated frame may be based on one or more tolerances or thresholds. In some embodiments, the feed may be split and content (e.g., video) obtained via the split may be combined (e.g., multiplexed) with a trigger. The combined content and trigger may be transmitted to one or more devices, such as one or more user devices.
US11297378B2 Image arrangement determination apparatus, display controlling apparatus, image arrangement determination method, display controlling method, and program
An image arrangement determination apparatus, a display controlling apparatus, an image arrangement determination method, a display controlling method, and a program that can determine appropriate arrangement of an individual frame image with respect to a synthetic frame image according to a given standard are provided. A captured image acquisition section (60) acquires a plurality of images including a first image and a second image. A margin specification section (62) specifies a margin when the first image is arranged by a given first arrangement method in a region occupied by a third image that is a delivery target. An arrangement determination section (64) determines an arrangement method by which the second image is to be arranged in the margin as a second arrangement method based on a shape of the margin and a shape of the second image.
US11297376B2 Set-top box with interactive features and system and method for use of same
A set-top box with interactive features and system and method for use of the same are disclosed. In one embodiment of the set-top box, the set-top box receives various types of set-top box data such as information about display-based interactions with the set-top box, information about a plurality of amenities on a residential property co-located with the set-top box, and information from a proximate wireless-enabled interactive programmable device interacting with the set-top box. The set-top box may render a map view of the property based on obtained map data. The map view may include an interactive graphical representation of the residential property and be annotated with at least a portion of the set-top box data.
US11297374B2 Terminal edge in-flight entertainment system
Courier electronic devices are used to transport seat video display unit (SVDU) operating system (OS) code updates from a content operation center to onboard a vehicle. The OS code used by the SVDUs is updated based on the OS code update to generate an updated OS code, which is used to curate entertainment content files from a mass storage device for selection among by passengers for their consumption through the SVDUs. Entertainment content files may also be selected by the content operation center based on passenger characteristic information and loaded onto the courier electronic devices for transport onboard the vehicle for transfer to the S VDUs to update the entertainment content that is made available for selection by the passengers. The courier electronic devices may be used to facilitate transportation of other information between the SVDUs in the content operation center.
US11297371B1 Vehicle video system
A method includes obtaining a video based on images detected with cameras mounted on a vehicle and displaying a portion of the video corresponding to a time offset and a viewing angle.
US11297359B2 Method and system for remotely controlling consumer electronic devices
A media system replaces content in a first sequence of media content. The media system presents the first sequence of media content to an end-user and generates a fingerprint of the sequence of media content. The fingerprint is for comparison with a plurality of reference fingerprints so as to identify the first sequence of media content and determine a reference position within the first sequence of media content. The media system sends a request for a replacement sequence of content to a content replacement system, and receives replacement media content selected based on the identified first sequence of media content. The media system presents the replacement media content to the end-user instead of the first sequence of media content. Presenting the replacement media content begins at a position in the first sequence of media content that is determined based on the reference position.
US11297356B2 Interweaving media content
An electronic device and method for media content to be replaced other media content is disclosed. The method includes receiving first media content comprising a set of media content segments. The method includes receiving second media content comprising a first media content segment. The method includes receiving scheduling information identifying a second media content segment of the set of media content segments to be replaced with the first media content segment. The method includes determining that the first content feed is transmitted according to a first broadcast timing and that the second content feed is transmitted according to a second broadcast timing. The method includes syncing the first broadcast timing with the second broadcast timing. The method includes replacing the second media content segment with the first media content segment when the first content feed and the second content feed are synced.
US11297355B1 Content delivery of live streams with playback-conditions-adaptive encoding
Techniques are described for creating and using playback-conditions-adaptive live video encoding ladders.
US11297352B2 Method of deblocking for intra block copy in video coding
A method and apparatus are directed to applying deblocking filter to block boundaries in a video coding system including an IntraBC (Intra-block copy) mode. For at least one combination of two neighboring reconstructed blocks including at least one IntraBC coded block in the two neighboring reconstructed blocks, a boundary filter strength equal to one or zero is selected based on coding parameters associated with the two neighboring reconstructed blocks. Deblocking filter is then applied to neighboring samples of the two neighboring reconstructed blocks around the block boundary using the boundary filter strength selected. For example, when the two neighboring reconstructed blocks correspond to one IntraBC coded block and one Inter coded block, the boundary filter strength is set to one.
US11297349B2 Video decoding device and video encoding device
A video decoding device includes a subpicture decoder(s) configured to decode respective subpictures, and a picture combining unit configured to compose the subpictures decoded into a picture such that the subpictures are allowed to overlap with each other.
US11297346B2 Motion-compensated compression of dynamic voxelized point clouds
Disclosed herein are exemplary embodiments of innovations in the area of point cloud encoding and decoding. Example embodiments can reduce the computational complexity and/or computational resource usage during 3D video encoding by selectively encoding one or more 3D-point-cloud blocks using an inter-frame coding (e.g., motion compensation) technique that allows for previously encoded/decoded frames to be used in predicting current frames being encoded. Alternatively, one or more 3D-point-cloud block can be encoded using an intra-frame encoding approach. The selection of which encoding mode to use can be based, for example, on a threshold that is evaluated relative to rate-distortion performance for both intra-frame and inter-frame encoding. Still further, embodiments of the disclosed technology can use one or more voxel-distortion-correction filters to correct distortion errors that may occur during voxel compression. Such filters are uniquely adapted for the particular challenges presented when compressing 3D image data. Corresponding decoding techniques are also disclosed.
US11297345B2 Intra prediction mode derivation based on neighboring blocks
A method for constructing a Most Probable Mode (MPM) list for intra prediction, the method comprising: determining whether a left neighboring block of a current coding block is available or not; determining whether an above neighboring block of the current coding block is available or not; using a Planar mode, a DC mode, a vertical mode (VER_IDX), a horizontal mode (HOR_IDX), an intra prediction mode corresponding to the vertical mode with an offset −4, an intra prediction mode corresponding to the vertical mode with an offset 4, to obtain a value of an intra prediction mode for the current coding block when one of conditions is satisfied. The MPM list is used to obtain an index value corresponding to a prediction mode of a picture block, so as to improve coding efficiency.
US11297340B2 Low-complexity design for FRUC
A method of decoding video data includes constructing, by a video decoder implemented in processing circuitry, a candidate list of motion vector information for a portion of a current frame. The method includes receiving, by the video decoder, signaling information indicating starting motion vector information of the candidate list of motion vector information, the starting motion vector information indicating an initial position in a reference frame. The method includes refining, by the video decoder, based on one or more of bilateral matching or template matching, the starting motion vector information to determine refined motion vector information indicating a refined position in the reference frame that is within a search range from the initial position. The method includes generating, by the video decoder, a predictive block based on the refined motion vector information and decoding, by the video decoder, the current frame based on the predictive block.
US11297336B2 Coding of significance maps and transform coefficient blocks
A higher coding efficiency for coding a significance map indicating positions of significant transform coefficients within a transform coefficient block is achieved by the scan order by which the sequentially extracted syntax elements indicating, for associated positions within the transform coefficient block, as to whether at the respective position a significant or insignificant transform coefficient is situated, are sequentially associated to the positions of the transform coefficient block, among the positions of the transform coefficient block depends on the positions of the significant transform coefficients indicated by previously associated syntax elements. Alternatively, the first-type elements may be context-adaptively entropy decoded using contexts which are individually selected for each of the syntax elements dependent on a number of significant transform coefficients in a neighborhood of the respective syntax element, indicated as being significant by any of the preceding syntax elements.
US11297331B2 Enhanced intra prediction mode signaling
A method and apparatus for signaling and receiving a video signal for processing is disclosed. Methods for determining a most probable mode for predicting a current prediction block are provided as well as new methods for grouping intra prediction modes into prediction groups. Methods for predicting a prediction block of video data as well as signaling intra prediction modes are also provided.
US11297330B2 Method and apparatus for processing video signal based on inter prediction
A method of processing a video signal based on inter prediction includes constructing a first merge candidate list of a current block using a spatial merge candidate and temporal merge candidate of the current block, constructing a second merge candidate list by adding a history-based merge candidate indicating motion information of a block coded prior to the current block to the first merge candidate list, obtaining a merge index indicating a merge candidate applied to the current block within the second merge candidate list, and generating a prediction block of the current block using motion information of a merge candidate indicated by the merge index. The history-based merge candidate may be added to the first merge candidate list if the history-based merge candidate has motion information not overlapping motion information of a pre-defined merge candidate among merge candidates included in the first merge candidate list.
US11297329B2 Image encoding method, transmission method, and image encoder
Provided is an image encoding method which inhibits deterioration in processing performance for encoding while improving transmission efficiency. The image encoding method is for generating a bitstream by encoding a picture, and includes: sequentially encoding blocks included in the picture; deriving an encoding amount of a slice segment each time one of the blocks is encoded as a current block, the slice segment including the current block; determining whether the encoding amount derived is at least a threshold; and setting end information indicating an end of the slice segment in a position in the bitstream when the encoding amount is determined to be at least the threshold, the position corresponding to the current block encoded.
US11297327B2 Image coding method based on motion vector and apparatus therefor
A picture decoding method performed by a decoding apparatus according to the present disclosure includes obtaining motion prediction information from bitstream, generating an affine MVP candidate list including affine MVP candidates for a current block, deriving CPMVPs for respective CPs of the current block based on one of the affine MVP candidates included in the affine MVP candidate list, deriving the CPMVDs for the CPs of the current block based on information on CPMVDs for each of the CPs included in the obtained motion prediction information, deriving CPMVs for the CPs of the current block based on the CPMVPs and the CPMVDs, deriving prediction samples for the current block based on the CPMVs, and generating reconstructed samples for the current block based on the derived prediction samples.
US11297322B2 Encoder, decoder, encoding method, and decoding method
An encoder includes memory and circuitry accessible to the memory. The circuitry accessible to the memory: switches whether or not to apply arithmetic encoding to a binary data string in which image information has been binarized; binarizes frequency transform coefficient information according to different binarization formats between when arithmetic encoding is applied to the binary data string and when arithmetic encoding is not applied to the binary data string; and binarizes a part or the entirety of prediction parameter information according to a binarization format which is common between when arithmetic encoding is applied to the binary data string and when arithmetic encoding is not applied to the binary data string.
US11297321B2 Method of encoding a video sequence
A method of encoding a video sequence by an encoder supporting context-based adaptive binary arithmetic coding, CABAC is disclosed. The method comprises determining, by a rate controller, a compression parameter of the encoder based on a load parameter value, indicating a current actual load of the coding block, received from the coding block.
US11297318B2 General block partitioning method
A method of partitioning in video coding for JVET, comprising representing a JVET coding tree unit as a root node in a quadtree plus binary tree (QTBT structure that can have quadtree or binary partitioning of the root node and quadtree or binary trees branching from each of the leaf nodes. The partitioning at any depth can use asymmetric binary partitioning to split a child node represented by a leaf node into two child coding units of unequal size, representing the two child coding units as leaf nodes in a binary tree branching from the parent leaf node and coding the child coding units represented by final leaf nodes of the binary tree with JVET. Disclosed is a generalized method of partitioning a block, either square or rectangular, which leads to more flexible block sizes with possible higher coding efficiency.
US11297316B2 Method and system for adaptive cross-component filtering
An image processing method includes obtaining statistics information of a block of an image frame, determining whether the statistics information satisfies a condition, and disabling cross-component filtering (CCF) for the block in response to the statistics information satisfying the condition.
US11297315B2 Video encoding method and device and video decoding method and device
Provided are video encoding/decoding methods and apparatuses for determining an intra prediction mode of a current block, based on a width and height of the current block. When the current block has a square shape in which the width and height are equal, the intra prediction mode of the current block is determined from among first intra prediction mode candidates including a plurality of predetermined intra prediction directions, and when the current block has a non-square shape in which the width and height are not equal, the intra prediction mode of the current block is determined from among second intra prediction mode candidates configured based on the non-square shape.
US11297311B2 Method and device for processing video signal
Provided is a method for decoding a video signal. The method includes generating a first prediction sample by performing intra prediction on a current block, determining an intra prediction pattern of a current block, partitioning the current block into a plurality of sub-blocks based on the determined intra prediction pattern, generating a first prediction sample for a sub-block by performing intra prediction, determining an offset for the sub-block to obtain a second prediction sample, and generating the second prediction sample for the sub-block by using the first prediction sample and the offset.
US11297309B2 Method and apparatus for encoding/decoding image
The objective of the present invention is to provide a method and an apparatus for intra-prediction. In addition, the objective of the present invention is to provide a method and an apparatus for intra-prediction on a subblock unit basis. Furthermore, the objective of the present invention is to provide a method and an apparatus for determining a division and an encoding order of subblock units.
US11297307B2 Apparatus for inspecting alignment of optical device
The present disclosure relates to an apparatus for inspecting alignment of optical device including: an optical device comprising a housing having an optical path of the shape of a cylinder, a light source disposed inside the housing to provide an illumination light for inspection to a subject surface, and a collimating lens for converting the illumination light irradiated from the light source into a parallel light beam; and an alignment evaluator that is provided with a condensing lens for converting the parallel light beam into a focused light beam, and that is disposed in front of the optical device.
US11297306B2 Near-eye display and method for adjusting brightness of a near-eye display
The present disclosure relates to a near-eye display and a method for adjusting the brightness of a near-eye display. The near-eye display including a first display screen for displaying one of a left eye image and a right eye image, a second display screen for displaying the other of the left eye image and the right eye image, a detector configured to detect a first detected value indicating brightness of the first display screen and a second detected value indicating brightness of the second display screen, and a controller configured to adjust brightness of at least one of the first display screen and the second display screen based on the first detected value and the second detected value.
US11297302B2 Naked-eye stereoscopic display device and naked-eye stereoscopic display system with pixel zones of different phase retardation
A naked-eye stereoscopic display device is provided herein, which includes: a display panel having a plurality of first pixel zones and second pixel zones, the first and second pixel zones are arranged alternately to be adjacent to one another and form an array; and a phase retardation film disposed on a surface of the display panel, the phase retardation film includes first and second retardation regions, each first retardation region has different value of phase retardation and is corresponding to one of the first pixel zones, and each second retardation region has different value of phase retardation and is corresponding to one of the second pixel zones. A naked-eye stereoscopic display system is also provided herein.
US11297299B2 Camera system
A camera system includes a plurality of cameras configured to capture images in different directions. The camera system rotates the plurality of cameras in a predetermined direction. The plurality of cameras are configured such that, even during rotation, one of the cameras captures an image of a preset specific region. The camera system acquires parallax information regarding an object present in the specific region on the basis of a plurality of captured images of the specific region.
US11297294B1 Color enhancement of endoscopic image
The invention provides an image color enhancement system, method, storage medium and endoscope. Based on that the human skin color and the basic tone of endoscopic image are similar, utilizing a standard data set of Macbeth color card, a color correction matrix for skin color enhancement is generated, which is used by an endoscope for real time image capture, resulting in a vivid expression of the basic tone of an endoscopic image without introducing artifacts in other tonal image parts.
US11297287B2 Method of controlling display device, and display device
A projector includes a selection section configured to select an interface to which an image signal to be displayed by the projector out of the plurality of interfaces is input, a determination section configured to determine whether or not the interface selected is a compliant interface capable of establishing daisy chain connection, and a function control section configured to make the transition of the projector to a state of preventing a daisy chain function from being executed when the interface selected is not the compliant interface, and when the daisy chain function which can be executed in a state in which the projector is coupled to another projector with the daisy chain connection is set available.
US11297286B1 Monochrome cameras with sparsely arranged clusters of color filters for coloration of content
An imaging system comprises two cameras and a processor. A first camera comprises a first grid of pixels configured to detect light in a broadband channel and a plurality of clusters of color filters sparsely arranged over the first grid of pixels. Each color filter passes light in a color channel to the grid of pixels. A second camera comprises a second grid of pixels configured to detect light in a broadband channel. The processor is configured to generate an aggregate image by combining a first image captured by the first camera and a second image captured by the second camera. The processor is also configured to add color values to the aggregate image based on color data captured by the first camera with the clusters of color filters. Additionally, the processor is configured to present the aggregate image with added color values on an electronic display.
US11297282B2 Surveillance system with fixed camera and temporary cameras
A surveillance system including a fixed camera and one or more temporary cameras and a control means coupled to the fixed camera and the one or more temporary cameras is disclosed. The control means is configured to extend coverage of the fixed camera using the one or more temporary cameras coupled to the fixed camera. Each of the one or more temporary cameras includes one or more sensors and is configured to be deployed and adjusted based on sensor data obtained from the one or more sensors of the one or more temporary cameras and from one or more fixed camera sensors co-located with the fixed camera.
US11297280B2 Arrangement for adjusting amplification
A network element of a cable television (CATV) network, comprising a first input for downstream signal transmission; a plurality of components arranged to form a downstream signal path, wherein at least one of said components is a downstream amplifier (330); a second input for upstream signal transmission; a plurality of components arranged to form an upstream signal path, wherein at least one of said components is an upstream amplifier (340); means (360) for inputting a control signal for adjusting one or more amplification parameters of the downstream amplifier; and means (350) for adjusting one or more amplification parameters of the upstream amplifier, wherein said one or more amplification parameters of the upstream amplifier are automatically calculated on the basis of the one or more amplification parameters of the downstream amplifier.
US11297277B2 Communication device and communication method
One embodiment provides a communication device for transmitting a video to an external device through first to third transmission lines, the communication device including: a transmission module configured to transit first color difference information and second color difference information concerned with adjacent two pixels through the first transmission line, to transmit first luminance information concerned with one of the two pixels through the second transmission line, and to transmit second luminance information concerned with the other of the two pixels through the third transmission line.
US11297274B2 Solid-state imaging device and electronic apparatus
To suppress deterioration of image quality. A solid-state imaging device (1) according to an embodiment includes a first vertical signal line (VSL0k) and a second vertical signal line (VSL1k), a current mirror circuit (141) connected to the first and the second vertical signal lines, a first unit pixel (11i) connected to the first vertical signal line, a second unit pixel (11i+1) connected to the second vertical signal line, a first unit cell (11D0) connected to the first vertical signal line, a second unit cell (11D1) connected to the second vertical signal line, a current supply line (VCOM) connected to the first and the second unit pixels and the first and the second unit cells, and a constant current circuit (142) connected to the current supply line. A first amplification transistor of the first unit pixel, a second amplification transistor of the second unit pixel, the current mirror circuit, and the constant current circuit constitute a first differential amplifier circuit, and a third amplification transistor of the first unit cell, a fourth amplification transistor of the second unit cell, the current mirror circuit, and the constant current circuit constitute a second differential amplifier circuit.
US11297269B2 Image capturing apparatus
An image capturing apparatus includes an image sensor in which a plurality of unit pixels are arranged, each unit pixel including one microlens and at least one light receiving portion that produces a pulse signal when light is incident on the light receiving portion, wherein the unit pixel includes a counting circuit capable of counting the pulse signals of a plurality of the light receiving portions.
US11297268B2 Solid-state imaging element, imaging apparatus, and method of controlling solid-state imaging element
Erroneous detection caused by flicker is suppressed in a solid-state imaging element that detects an address event.solid-state imaging element includes a plurality of pixels, a current detection unit, and a threshold control unit. In the solid-state imaging element, each of the plurality of pixels compares an amount of change in a voltage corresponding to a photocurrent with a predetermined threshold. Further, the current detection unit detects a sum of the photocurrents of the respective plurality of pixels as a total current. Further, the threshold control unit controls the predetermined threshold to a value corresponding to the total current detected by the current detection unit.
US11297264B2 Device attachment with dual band imaging sensor
Various techniques are disclosed for providing a device attachment configured to releasably attach to and provide infrared imaging functionality to mobile phones or other portable electronic devices. The device attachment may include an infrared imagining module and a non-thermal imaging module that cooperate with one or more of a non-thermal imaging module in an attached device and a light source in the attached device for capturing and processing images.
US11297263B2 Multimedia distribution system for multimedia files with packed frames
A multimedia file and methods of generating, distributing and using the multimedia file are described. Multimedia files in accordance with embodiments of the present invention can contain multiple video tracks, multiple audio tracks, multiple subtitle tracks, data that can be used to generate a menu interface to access the contents of the file and ‘meta data’ concerning the contents of the file. Multimedia files in accordance with several embodiments of the present invention also include references to video tracks, audio tracks, subtitle tracks and ‘meta data’ external to the file. One embodiment of a multimedia file in accordance with the present invention includes a series of encoded video frames and encoded menu information.
US11297261B2 Special effects system providing a walking character
A special effects system for creating a unique walking character effect or illusion. The character appears to the observer to be a physical character or to have dimensionality rather than being two dimensional. The illusion or effect is achieved by mounting a projector and a thin, vertical, flat screen onto an automated cart or sled. The cart is adapted to roll on a track positioned to run from a backdrop or backwall toward a viewing space in which one or more observers or viewers may be located during system operations. The media (or video file) of the character walking is projected on the projection surface of the screen element with the projector. The sled or cart is triggered to roll forward toward the viewing space as the media is playing so that the projected image appears to be moving and getting closer to the viewer.
US11297260B1 Techniques for capturing video in landscape mode by a handheld device
Video or image capture device and method of operation of the capture device are described. One example method includes determining, for a video capture by a capture device, a capture orientation mode setting of the capture device, capturing a video using one of a first camera or a second camera based on the capture orientation mode and a current orientation of the capture device, wherein the video is in the capture orientation mode, and storing, after capturing, the video in a video file.
US11297253B2 Control system for controlling plurality of user terminals
Disclosed is a control system for controlling a plurality of user terminals. The control system includes at least: a control device including a processor, and configured to determine a command to be executed by the plurality of user terminals located in a concert hall or stadium; a transmitter configured to transmit a wireless signal corresponding to the determined command; a plurality of receivers, each of which is connected to a respective user terminal of the plurality of user terminals, receives the wireless signal, and transmits the received wireless signal to the respective user terminal; and the plurality of user terminals, each of which is configured to perform a command corresponding to the wireless signal transmitted from a respective receiver of the plurality of receivers.
US11297251B2 Image capture apparatus having first and second amplification units and control method for same
An image capture apparatus includes a photoelectric conversion unit, an acquisition unit, a first amplification unit, a second amplification unit, and an amplification factor control unit. The photoelectric conversion unit is configured to convert an optical image into an image signal. The acquisition unit is configured to acquire a value related to a correct exposure on a basis of the image signal converted from the optical image by the photoelectric conversion unit. The first amplification unit is configured to amplify the image signal with a first amplification factor. The second amplification unit is configured to amplify the image signal with a second amplification factor. The amplification factor control unit is configured to change the first amplification factor or the second amplification factor based on the value related to the correct exposure.
US11297247B1 Automated camera positioning for feeding behavior monitoring
Methods, systems, and apparatus, including computer programs encoded on computer-readable storage media, for automated camera positioning for feeding behavior monitoring. In some implementations, a system obtains an image of a scene from one or more cameras and a spatial model that corresponds to a subfeeder. The system determines, based on data from the spatial model and the image of the scene, a current position of the one or more cameras relative to the subfeeder. The system selects an updated position of the one or more cameras relative to the subfeeder. The system moves the one or more cameras to the updated position. In some implementations, the system dynamically selects the updated position of the one or more cameras relative to the subfeeder.
US11297246B2 Photography control method, device, non-transitory storage medium and system of intelligent photography system
Disclosed are a photography control method, device, non-transitory storage medium and system of an intelligent photography system. The photography control method of the intelligent photography system includes: acquiring a target positioning image shot by the search camera and a viewfinder screen image shot by the shooting camera, and transmitting the target positioning image and the viewfinder screen image to a remote terminal for the remote terminal to generate a search camera angle adjustment instruction according to the target positioning image and the viewfinder screen image; receiving the search camera angle adjustment instruction sent by the remote terminal; and acquiring an angle adjustment parameter according to the search camera angle adjustment instruction to control the search camera to adjust an angle.
US11297239B2 Lens control method and mobile terminal
Provided are a lens control method and a mobile terminal. The method includes: acquiring a direction of movement of a mobile terminal; determining a target driving direction of a lens in the photographing state according to the direction of movement; and driving the lens to move in the target driving direction.
US11297238B2 Blur detection device, imaging device, lens device, imaging device main body, blur detection method, and blur detection program
Provided are a blur detection device, an imaging device, a lens device, an imaging device main body, a blur detection method, and a blur detection program capable of appropriately detecting blurring of an imaging device. An angular velocity of a digital camera and a posture of the digital camera with respect to an Earth's rotation axis are detected. An Earth's rotation angular velocity component superimposed on a detection result of the angular velocity is calculated. The Earth's rotation angular velocity component is subtracted from the detection result of the angular velocity, and a blur amount of the digital camera is calculated based on the subtracted angular velocity.
US11297236B2 Camera device with hand shake correction function
The present disclosure provides a camera device, which includes an anti-shake mechanism in the camera device including a deflection optical system without making the device large. An optical system is provided and includes, from an object side, a reflection member, an imaging lens set, and an imaging element. Image shake around an axis perpendicular to a plane formed by a first optical axis (O1) and a second optical axis (O2) is corrected by rotation of the reflection member, and image shake around the first optical axis (O1) is corrected by movement of a first set of lenses immediately following the reflection member.
US11297231B1 Uninterruptible power system powered by power over ethernet and method thereof
An Uninterruptible Power System (UPS) powered by Power over Ethernet (PoE) is equipped with a power sourcing equipment (PSE) supplying a direct current (DC) voltage to a powered device (PD) through Ethernet cables, and an Ethernet switch which includes a packet switching controller including a central processing unit (CPU) controlling the ON/OFF states of at least one pair of DC voltage output and the onset of an initialization process of the PSE; the Ethernet switch further includes a non-volatile memory storing a firmware which provides a reboot process of the CPU such that when the UPS powered by PoE is undergoing the reboot process, the PSE can continue to supply the DC voltage. A first parameter PersistentPoE and a second parameter PPoE_flag are used for setting the ON/OFF states of DC voltage output of PoE.
US11297228B2 Image processing apparatus, imaging apparatus, image processing method, and program
An image processing apparatus 500 includes an image obtaining unit 501 that obtains a plurality of frame images of the same scene including a water surface having a wave, a brightness value calculation unit 503 that calculates a brightness value corresponding to a minute region constituting each frame image based on the plurality of frame images, a pixel value extraction unit 505 that extracts a pixel value corresponding to the minute region of a frame image in which the brightness value of the minute region is a brightness value lower than the brightness value of the minute region of another frame image in the plurality of frame images, a storage unit 507 that stores the pixel value extracted by the pixel value extraction unit 505, and a composite image generation unit 509 that generates a composite image corresponding to the scene based on the pixel value stored in the storage unit 507.
US11297227B2 Wireless device having dedicated rear panel control
An electronic device includes a housing including a front panel and a rear panel, the rear panel arranged on a side of the housing opposite the front panel, the housing further including side edges connecting the rear panel to the front panel. The electronic device further includes, a processor configured to execute instructions and the processor being arranged within the housing, a display device configured to generate an interface based in part in response to the processor, wherein the display device is arranged in the front panel, a touchscreen associated with the display device and configured to sense a user input, wherein the user input is provided to the processor and wherein the touchscreen comprises part of the front panel, and a rear input arranged on the rear panel of the housing and configured to provide a dedicated input to the processor.
US11297223B2 Detecting conditions and alerting users during photography
A computer-implemented method includes: receiving, by a computer device, image data and distance data from a camera device; detecting, by the computer device, an object in the image data; determining, by the computer device, a condition based on the detected object, wherein the condition is one of a hazardous condition, a dangerous condition, and a spoil condition; and transmitting, by the computer device, an instruction to the camera device based on the determined condition, wherein the instruction causes the camera device to output an alert to a user of the camera device, the alert being based on the determined condition and the distance data.
US11297221B2 Image-capturing apparatus, electronic device, and program
An image-capturing apparatus includes: an image sensor having a first image-capturing region and a second image-capturing region different from the first image-capturing region; and a control unit that displays an image generated by the first image-capturing region and an image generated by the second image-capturing region on a display unit, with a region targeted for setting image-capturing conditions of the image sensor being selectable.
US11297218B1 System and method for dispatching media streams for viewing and for video archiving
A method of managing at least one media stream received from respectively at least one camera; it includes instructing a camera to send a media stream generated by the camera to an archiver, the archiver being configured to store video data from the media stream; receiving a request for real time access to the media stream from a requesting computing entity; and sending a first change of destination message to the camera comprising instructions to change the destination to a dispatcher configured to receive and dispatch stream data, such that the camera continues transmission of the media stream sending the media stream towards the dispatcher.
US11297217B2 Electronic device providing stabilizer function
In various embodiments, an electronic device includes a main body unit including a grip area for gripping by a user, a first joint portion formed at or connected to one end of the main body unit, a first sub-body unit connected to the main body unit by the first joint portion, and a communication circuit. The main body unit includes a main PCB including a processor, the first joint portion includes a first motor PCB including a control circuit and a first antenna radiator and being electrically connected to the main PCB, the processor allows the control circuit of the first motor PCB to control the first sub-body unit connected by the first joint portion, and the communication circuit transmits and receives signals to and from an external device via the first antenna radiator of the first motor PCB. Above this, various embodiments figured out through the specification are possible.
US11297211B2 Endoscope distal end structure and endoscope
An endoscope distal end structure includes: an imaging module configured to generate an image signal and transmit the generated image signal using a cable; a frame having a through hole, the frame being configured to hold the imaging module with the imaging module being inserted into the through hole from an insertion port; a first adhesive that is arranged in a gap between an outer circumference of a proximal end part of a resin seal and an inner circumferential surface of the frame on a side of the insertion port; and a second adhesive that is arranged in a gap between the inner circumferential surface of the frame at a position in which the through hole is formed and the imaging module that is inserted into the through hole.
US11297210B2 Camera module, method for assembling camera module, and mobile terminal
A camera module, a method for assembling the camera module, and a mobile terminal are provided. The camera module includes a flexible circuit board; a chip, stacked on the flexible circuit board; an image sensor, stacked on the chip; a connection wire, where one end of the connection wire is connected to a wiring region of the flexible circuit board, the other end of the connection wire is connected to an interface region of a first surface of the chip, and the first surface is a surface of the chip away from the flexible circuit board; and a first protective structure, arranged on the interface region of the first surface of the chip.
US11297204B2 Image forming device encrypting import instruction information stored in storage medium
In an image forming device, an image forming engine is configured to form an image. The memory stores configuration information and confidential information. The controller is configured to operate based on the configuration information. In a case where a storage medium is connected to the input output interface, and the storage medium stores import configuration information and import instruction information, the controller imports the import configuration information as the configuration information to the memory by using the import instruction information, encrypts the import instruction information by using the confidential information, and stores the encrypted import instruction information in the storage medium. After the import configuration information is imported, the controller operates according to the import configuration information.
US11297202B2 Image formation apparatus and storing medium
Provided is a printing apparatus including a cassette configured to be capable of managing a stored paper-sheet by using paper-sheet size information and paper-sheet attribute data, in which an adjustment value of a print position is registered to copied paper-sheet attribute data if an event in which the adjustment value is registered to paper-sheet attribute data in which the paper-sheet size information is not set occurs.
US11297201B2 Image processing apparatus, information processing method, and non-transitory computer readable storage medium
An image processing apparatus includes a display, a network interface, and a processor. The processor is configured to generate a first screen on which at least one malfunctioning part candidate of the apparatus is presented in a selectable manner, and control the interface to transmit error information corresponding to a selected malfunctioning part candidate to another apparatus. When a first malfunctioning part candidate corresponding to a particular sound output by the image processing apparatus that is not working properly is selected on the first screen, the processor generates a second screen on which one or more reference sounds potentially corresponding to the particular sound are presented in a selectable manner. When a reference sound is selected as corresponding to the particular sound on the second screen, the processor includes sound information corresponding to the selected reference sound in the error information.
US11297200B2 Image forming apparatus which performs a process based upon a recognized color of a marked region of original image data
An image forming apparatus has an input portion that receives original image data, a control portion that generates output image data based on the original image data, a printing portion that performs printing based on the output image data, and a storage portion. The storage portion stores associated color information that defines colors associated with a plurality of prescribed processes respectively. When generating the output image data, the control portion, if the original image data includes a marked region, performs, out of the plurality of processes, the process associated with the color of the marked region.
US11297196B2 Image forming apparatus with original reading mode settable independently for a copy operation and a sending operation
An image forming apparatus includes an original reading unit; an image forming unit, an image data sending unit; and a mode setting unit for setting one of original reading modes including a first original reading mode for the original reading unit to read originals of the same size, and a second original reading mode for the original reading unit to read originals of different sizes; and a control unit for controlling the original reading unit and the image forming unit so as to execute a copy job including the original reading process and the image forming process, and a sending job including the original reading process and the sending process. The mode setting unit is capable of independently setting, for the copy job and the sending job, a default value indicating the first original reading mode or the second original reading mode.
US11297194B2 Suction device, printer, and conveyance device
A suction device includes a suction hole member including a plurality of suction holes, a suction pump connected to each of the plurality of suction holes, the suction pump configured to suction an air through the plurality of suction holes of the suction hole member to suction a suction target to the suction hole member, and a suction state detector configured to detect a suction state of at least one of the plurality of suction holes corresponding to an end of the suction target suctioned to the suction hole member.
US11297186B2 System, apparatus and method for media communication between parties
Systems, apparatuses, and methods for enabling communication between parties are disclosed. A system may include a first communication device associated with a first user and a second communication device associated with a second user. The system may include a first communication channel between the first user and the second user for transmitting call data between the first communication device and the second communication device. The system may include a second communication channel between the first user and the second user established concurrently with the first communication channel. The second communication channel may be separate from the first communication channel. The second communication channel may be established by connection of the communication session participants to a multipoint control unit that is configured to transmit media data between the first communication device and the second communication device. The system allows transmission of one or more types of call data to be switched between the first and second communication channels.
US11297183B2 Method and apparatus for predicting customer behavior
A method and apparatus for predicting customer behavior is disclosed. The method comprises organizing a transcribed, diarized text of a conversation in a call, into a predefined number of sets, determining features corresponding to a sentiment score, a percentage and/or count of positive words, and a percentage and/or count of negative words for each of the a predefined number of sets, determining word count features corresponding to the word count for each of the a predefined number of sets, determining features corresponding to a call talk time, a call hold time and a call hold percentage based on the transcribed text. Based on all the determined features, the method determines whether the customer is satisfied or not, the customer activity based on an activity profile of the customer, and whether the customer used escalation terms based on the transcribed text. Based on the customer satisfaction, customer activity, and the customer use of escalation terms, the method determines a probability of a customer action.
US11297182B1 Analysis of call metrics for call direction
Processing of communications routed by an IPBX server are disclosed. At least one processing circuit is communicatively coupled to an Internet-Protocol Private Branch Exchange (IPBX) server that is configured and arranged to route calls for a plurality of agents in a communications/call center. The processing circuit is configured to receive communications event messages from the IPBX server for communications routed by the IPBX server, generate, during a communication to a first agent of the plurality of agents, a set of data metrics including communications summary metrics based on the communications event messages; and redirect, during the communication to the first agent, the communication to a second agent of the plurality of agents in response to the set of data metrics satisfying a set of criteria indicated in a policy.
US11297175B2 Camera and terminal
A camera and a display panel are disposed on a same side of a terminal. The camera includes a lens barrel and a plurality of lenses disposed in the lens barrel in a stacked manner in a direction of an optical axis of the camera. The lens barrel includes a first segment housing a first lens, wherein the first lens includes a light incident surface, a light exiting surface, and a side surface connected between the light incident surface and the light exiting surface. The side surface includes a first surface and a second surface connected to the first surface, wherein a perpendicular distance between the first surface and the optical axis is less than a perpendicular distance between the second surface and the optical axis. A part of the first segment is disposed adjacent to the display panel to reduce a space occupied by the camera.
US11297173B2 Transmission mechanism, driving mechanism assembly, and mobile terminal
The present disclosure relates to a transmission mechanism, a driving mechanism assembly, and a mobile terminal. The mobile terminal includes: a shell including a first mounting face and second mounting face opposite the first mounting, and a side face, the first mounting face defining an accommodation groove extending to the side face along a first direction; a camera mounting assembly, including a mounting seat and a camera, wherein the mounting seat is arranged in the accommodation groove; and a driving mechanism assembly, including a driver coupled to the shell and a transmission mechanism, the driver is movable to drive, by the transmission mechanism, the mounting seat to extend from the accommodation groove and capable of driving the mounting seat to rotate around a rotating shaft and the rotating shaft being parallel to the first direction.
US11297171B2 Method and apparatus for edge computing service
An example method for an edge computing service, of identifying a network protocol to be used by an application client, includes: executing the application client; based on the application client being executed, transmitting a request message for verifying the network protocol to be used by the application client to an edge data network; receiving, from the edge data network, a response message indicating the network protocol to be used by the application client; updating a network protocol policy corresponding to the network protocol to be used by the application client to a data socket, based on the response message.
US11297167B2 System providing faster and more efficient data communication
A system designed for increasing network communication speed for users, while lowering network congestion for content owners and ISPs. The system employs network elements including an acceleration server, clients, agents, and peers, where communication requests generated by applications are intercepted by the client on the same machine. The IP address of the server in the communication request is transmitted to the acceleration server, which provides a list of agents to use for this IP address. The communication request is sent to the agents. One or more of the agents respond with a list of peers that have previously seen some or all of the content which is the response to this request (after checking whether this data is still valid). The client then downloads the data from these peers in parts and in parallel, thereby speeding up the Web transfer, releasing congestion from the Web by fetching the information from multiple sources, and relieving traffic from Web servers by offloading the data transfers from them to nearby peers.
US11297165B2 Internet of things designer for an authoring tool in virtual and augmented reality environments
Techniques are described herein for interfacing with various Internet of Things (IoT) devices and for rendering received data in a usable form for an XR collaboration application that provides an interactive experience in an augmented reality (AR), virtual reality (VR), and/or mixed reality (MR) environment. The techniques include retrieving, from an IoT device, IoT data that can represent a physical environment. Additionally, an adapter interface is selected based at least on filter logic associated with a format defined to the selected adapter interface. The IoT data is parsed according to the format defined to the selected adapter interface to permit the XR collaboration application to utilize the IoT data in a usable form. The IoT data that is parsed is associated with virtual content in a virtual environment that represents the physical environment for presentation to the user.
US11297153B2 Evolved packet core applications microservices broker
Concepts and technologies disclosed herein are directed to an evolved packet core (“EPC”) applications microservices broker (“microservices broker”). According to one aspect of the concepts and technologies disclosed herein, a microservices broker can receive a microservice request that identifies a microservice. The microservices broker can check a microservices broker database for a user equipment (“UE”) that is capable of servicing the microservice request. The microservices broker can request a status of the UE from a home subscriber server (“HSS”). The status can indicate whether or not the UE is connected to a radio access network (“RAN”). If the status indicates that the UE is connected to the RAN, the microservices broker can route the microservice request to the UE for providing the microservice.
US11297151B2 Responsive action prediction based on electronic messages among a system of networked computing devices
Various embodiments relate generally to data science and data analysis, computer software and systems, and control systems to provide a platform to facilitate implementation of an interface, and, more specifically, to a computing and data storage platform that implements specialized logic to predict an action based on content in electronic messages, at least one action being a responsive electronic message. In some examples, a method may include receiving data representing an electronic message with an electronic messaging account, identifying one or more component characteristics associated with one or more components of the electronic message, characterizing the electronic message based on the one or more component characteristics to classify the electronic message for a response as a classified message, causing a computing device to perform an action to facilitate the response to the classified message, and the like.
US11297144B2 Systems and methods for operation management and monitoring of bots
A framework and a method are provided for monitoring and managing software bots that collectively automate business processes. The method includes interfacing with the bots executing on a bot infrastructure. The method also includes obtaining the bot-specific performance data and the infrastructure-level performance data recorded by the bots and the bot infrastructure. The method further includes generating or modifying a bot dependency chain based on the bot-specific performance data and the infrastructure-level performance data. The bot dependency chain represents at least one of dependencies amongst the bots and dependencies amongst the related business processes. The method also includes generating an outcome for the business processes according to the bot dependency chain and the bot-specific performance data and the infrastructure-level performance data recorded by the bots and the bot infrastructure.
US11297135B2 Data synchronization
The present subject matter discloses a method for application data synchronization through a communication network. The method includes receiving application data from at least one user device, formatting the application data based on at least one formatting parameter to generate a data file, where the formatting parameter is indicative of a format of the data file, and transmitting the data file to at least one target syncing device through protocols based on Push Email Synchronization.
US11297133B1 Deploying a content distribution network using resources from cloud service providers
A first computer transmits a respective first command to each of a plurality of second computer systems. Each first command includes instructions to initiate one or more virtual machine instances on the respective second computer system. Each virtual machine instance is configured to retrieve data from a third computer system over a communications network, cache the retrieved data, and transmit the cached data to one or more client computers over the communications network in response to a request for the cached data by the one or more client computers. The first computer system also transmits configuration data to each of the second computer systems. The configuration data includes indications of one or more parameters associated with retrieving the data from the third computer system, caching the retrieved data, and/or transmitting the cached data to the one or more client computers.
US11297128B2 Automated end-to-end application deployment in a data center
In one example, the present disclosure describes a device, computer-readable medium, and method for automating the end-to-end deployment of applications in a data center. For instance, in one example, a set of characteristics is extracted from an electronic signal. The set of characteristics pertains to an application to be deployed in a data center. A load balancer on which to deploy the application is automatically selected, based at least in part on the set of characteristics. A workflow is automatically generated for deployment of the application on the load balancer. The workflow coordinates actions among a plurality of computing resources of the data center that are used to configure the application according to the set of characteristics.
US11297125B2 Steering between content streaming devices using derived link metrics and channel utilization information
A wireless gateway for steering a client device between content streaming apparatuses in a wireless local area network (WLAN). The gateway provides an access point (GW AP) including a gateway steering controller configured to determine whether a client device should be steered to a content streaming apparatus based on at least one sample measurement on received signal strength between the client device and the content streaming apparatus and at least one other content streaming apparatus, and conduct steering logic calculations. The steering logic calculations are compared against predetermined thresholds, and said gateway steering controller provides an instruction to steer the client device to one of the content streaming apparatuses based on a difference between the steering logic calculations and the predetermined thresholds. Optionally, the gateway steering controller may also provide band steering as well as signal strength steering.
US11297122B2 Graph representation and description of configuration parameters for media processing function in network-based media processing (NBMP)
A method of network-based media processing (NBMP) can include receiving a function description of a media processing function from a function repository at a workflow manager in an NBMP system. The function description can include a configuration descriptor providing configuration information of parameters for the media processing function. The parameters can have logical relationships represented by a parameter representation graph constructed according to a set of rules. The media processing function can be instantiated as a media processing task that is part of a workflow. The media processing task can be configured based on the configuration information of the parameters in the configuration descriptor.
US11297120B2 Method and network equipment for establishing a manifest
Network equipment for establishing a manifest to be provided to a requesting terminal configured to receive a multimedia content divided into segments from a network equipment, each segment being available in one or more representations, said manifest listing available representations for the multimedia content and specifying a plurality of adaptation sets, each adaptation set defining a spatial object of the multimedia content, the spatial objects of the adaptation sets defining a whole spatial object is described. The network equipment includes at least one memory and at least one processing circuitry configured to define, in the manifest, a type of mapping of the multimedia content to the whole spatial object and a point of reference in one adaptation set of reference amongst the adaptation sets, and associate depth information with each adaptation set.
US11297114B2 Server-managed notifications for maintaining registered state
Maintaining a registered state via server-managed notifications is described herein. In an example, server(s) can receive an indication from an application associated with a device, the indication can identify a response to a registration request sent by the application for registration with a service provider. Based at least partly on the indication, the server(s) can start a first timer associated with a first predetermined time interval after which the server(s) are to send a first notification to the application. The server(s) can determine, based at least in part on the first timer, a lapse of the first predetermined time interval and can send the first notification to the application. The first notification can cause the application to transition from an inactive state to an active state, and send a new registration request to register with the service provider to maintain a registered state.
US11297112B2 Internet protocol multimedia subsystem (IMS) call setup time booster
A method for decreasing a Call Setup Time Key Performance Indicator (CST KPI) of an Internet Protocol (IP) multimedia call in a mobile telecommunications network includes: initiating the IP multimedia call from an originating user equipment (UE) to a terminating UE; transmitting a session initiation protocol (SIP) call initiation message from the originating UE to a terminating Proxy-Call Session Control Function (P-CSCF) through an originating Serving-Call Session Control Function (S-CSCF); and creating a wake-up message via a network element upon receiving the SIP call initiation message. The wake-up message bypasses a plurality of network application servers (ASs) to start switching a transition of the terminating UE from an idle state to a connected state before the SIP call initiation message reaches the terminating P-CSCF.
US11297111B2 Establishing a session initiation protocol session
The present disclosure describes methods and systems for establishing a Session Initiation Protocol Session. One method includes transmitting a first message requesting authentication configuration information; in response to the first message, receiving a second message that includes the authentication configuration information; transmitting a third message that includes authentication information based upon the received authentication configuration information; receiving an authentication challenge request that is formatted according to the second protocol; and in response to receiving the authentication challenge request, transmitting an authentication response to the second network node.
US11297110B2 Load balancing for control session and media session in a communication flow
Techniques described herein relate to a method for load balancing. In one or more embodiments, the method selects a server from a plurality of servers to process a communication from a host. Network details for the server and the host are saved during a control session to set up the communication. Then, the method stores the network details in a rule in a data plane and relays media traffic between the host and the server for a media session for the communication using the network details in the rule in the data plane.
US11297109B2 System and method for cybersecurity reconnaissance, analysis, and score generation using distributed systems
A system and method for cybersecurity reconnaissance, analysis, and scoring that uses distributed, cloud-based computing services to provide sufficient scalability for analysis of enterprise IT networks using only publicly available characterizations. The system and method comprise an in-memory associative array which manages a queue of vulnerability search tasks through a public-facing proxy network. The public-facing proxy network has search nodes configurable to present the network to search tools in a desired manner to control certain aspects of the search to obtain the desired results. A distributed data processing engine and cloud-based storage are used to provide scalable computing power and storage. Each of the cloud-based computing services is containerized and orchestrated for management and efficient scaling purposes.
US11297108B2 Methods and systems for stateful network security
A destination host on a first network may attempt to initiate a communication session with a source host on a second network. The attempt may be intercepted by a first policy enforcement point, which may forward a message to the source host associated with the communication session. The source host may send an acknowledgment to the destination host via the first policy enforcement point. A policy decision point may determine that the communication session is permissible. The policy decision point may send a response to the first policy enforcement point and a second policy enforcement point. The response may indicate an approval of the communication session. The source host may respond to the destination host through either a first connection path and the first policy enforcement point or a second connection and the second policy enforcement point.
US11297106B2 Pre-routing intrusion protection for cloud based virtual computing environments
Embodiments of the present invention provide a novel and non-obvious method, system and computer program product for pre-routing network security for cloud computing. In an embodiment of the invention, a pre-routing network security method for cloud computing includes receiving in a routing component, such as a load balancer, of a cloud computing environment that includes at least two different virtualized containers, a stream of packets targeting a destination network address and, before processing the stream of packets in the routing component, diverting the stream of packets to a packet inspector executing in one of the virtualized containers. Then, only a fraction of the packets of the diverted stream of packets are received in the routing component from the packet inspector, and, the fraction of the packets are then processed in the router such that the fraction of the packets are routed to the destination network address.
US11297105B2 Dynamically determining a trust level of an end-to-end link
A system and method for dynamically determining a trust level of an end-to-end link of a computer database, including: in a preparation stage: capturing a first set of messages of an end-to-end link; compressing a skeleton of each message of the first set of messages to generate a construct of each message of the first set of messages, the skeleton includes the message without a value field; creating a characteristic histogram of the constructs of the first set of messages; and during an operation stage: capturing a second set of messages of the end-to-end link; compressing a skeleton of each message of the second set of messages to generate a construct of each of the second set of messages; creating a work histogram of the constructs of the second set of messages; and determining a trust level of the end-to-end link by comparing the work histogram with the characteristic histogram.
US11297102B2 Systems and methods for situational localization of AIDA
The present disclosure describes systems and methods for using for a simulated phishing campaign, information about one or more situations of a user determined from an electronic calendar of the user. A campaign controller may identify an electronic calendar of a user for which to direct a simulated phishing campaign, determine one or more situations of the user from information stored in the electronic calendar and select either a template from a plurality of templates or a starting action from a plurality of starting actions for the simulated phishing campaign based at least on the one or more situations of the user. The campaign controller may communicate to one or more devices of the user a simulated phishing communication based at least on the respective template or starting action.
US11297100B2 Concealed monitor communications from a task in a trusted execution environment
Concealed monitor communications from a task in a trusted execution environment (TEE) are disclosed. A first task executing in a first trusted execution environment (TEE) implemented on a processor device determines that a monitor communication is to be sent to a monitor task, the first task being configured to generate response messages in response to requests from requestor tasks, the response messages having a predetermined characteristic. The first task generates the monitor communication, the monitor communication having the predetermined characteristic and an encoded monitor communication report. The first task sends the monitor communication toward the monitor task.
US11297094B2 Automated and continuous cybersecurity assessment with measurement and scoring
Automated and continuous cybersecurity assessment with measurement and scoring. In an embodiment, a cyber-hygiene score is calculated based on data representing asserted cybersecurity controls within an entity system. The cyber-hygiene score indicates an extent of implementation of cybersecurity controls associated with a cybersecurity standard. In addition, automated cybersecurity test(s) are performed on the entity system, and a cyber-breach score is calculated based on the test scores calculated from the automated cybersecurity test(s). The cyber-breach score indicates an effectiveness of the implemented cybersecurity controls. The automated cybersecurity test(s) may comprise an inside-out controls test, and outside-in controls test, and/or a social-engineering test (e.g., phishing simulation). A cybersecurity assessment is generated based on the cyber-hygiene score and the cyber-breach score.
US11297092B2 Threat mitigation system and method
A computer-implemented method, computer program product and computing system for: obtaining consolidated platform information to identify current security-relevant capabilities for a computing platform; determining possible security-relevant capabilities for the computing platform; and rendering graphical comparison information that illustrates a difference between the current security-relevant capabilities of the computing platform and the possible security-relevant capabilities of the computing platform.
US11297081B2 Methods and systems for eliminating and reducing attack surfaces through evaluating reconfigurations
A method of performing a security assessment of a system includes analyzing a static structure of the system; storing, in a semantic system model, structure information about the static structure of the system; observing the system during a plurality of discrete temporal system states; storing, in the semantic system model, dynamic information about the system during the plurality of discrete temporal system states; performing a semantic composition analysis on the structure information to identify at least one vulnerability of the system; performing a flow analysis on the dynamic information to identify at least one anomalous behavior of the system during at least one of the plurality of discrete temporal system states; and generating, based on the at least one vulnerability of the system and the at least one anomalous behavior of the system, a vulnerability assessment of the system.
US11297075B2 Determine suspicious user events using grouped activities
According to examples, an apparatus may include a processor and a computer readable medium on which is stored machine readable instructions that may cause the processor to assign the activities in user activity data into a plurality of groups based on common user identifiers corresponding to the pairs of activities. The instructions may also cause the processor to determine a correlation between a user event and the plurality of groups, determine whether the user event is suspicious based on the determined correlation, and based on a determination that the user event is suspicious, output an indication that the user event is suspicious.
US11297074B1 Dynamically remote tuning of a malware content detection system
According to one embodiment, an apparatus comprises a processor and memory. Communicatively coupled to the processor, the memory includes a detection module that, when executed, conducts an analysis of a received object to determine if the received object is associated with a malicious attack. The detection module is configurable, and thus, certain capabilities can be enabled, disabled or modified. The analysis is to be altered upon receipt of a configuration file that includes information to alter one or more rules controlling the analysis conducted by the detection module.
US11297069B2 Utilizing blockchains to implement named data networking
Novel tools and techniques are provided for utilizing blockchain to implement named data networking. In various embodiments, a computing system might determine whether a cache that is communicatively coupled to the computing system contains data that is responsive to a first request received from a user. If so, the computing system might retrieve and send (to the client device) data that is responsive to the received first request. If not, the computing system might send, to a blockchain system, a second request for identifying a blockchain containing a block containing data responsive to the received first request. In response to identifying such a blockchain, the computing system might receive a copy of the identified blockchain; might abstract, from the identified blockchain, the block containing the data responsive to the received first request; might abstract the data from the identified block; and might send the data to the client device.
US11297062B2 Authorized time lapse view of system and credential data
A system includes a configuration management server operable to interface with a plurality of client devices via a network. The configuration management server includes a processor that is configured to track a change history of modifications to one or more records of a plurality of system data and credential data. An authorization status of a user of an access client of one of the client devices is determined. An authorized view of a selected record of the one or more records is output to the access client. One or more fields of the selected record are displayed based on the authorization status. An output of the change history of modifications to the one or more fields of the selected record to the access client is limited based on the authorization status.
US11297061B2 Methods and nodes for handling overload
The embodiments herein relate to a method in a mobility management node (108) for handling overload in a communications network (100). When overload in the communications network (100) has been detected, the mobility management node (108) receives information indicating at least one blocked IP address to which access should be blocked. The mobility management node (108) receives a communication request message from a UE (101) via a RAN node (105). The communication request message is a request for communication by the UE (101). The mobility management node (108) determines that the UE's (101) request for communication should be rejected when the UE (101) is associated with a blocked IP address.
US11297060B1 System and method for handling user requests for web services
A system and method detects and handles replay attacks using counters maintained for each of several different periods for various values of IP addresses and browser description attributes encountered.
US11297054B1 Authentication system(s) with multiple authentication modes using one-time passwords of increased security
Authentication processing is provided which includes generating an authentication parameter as a function of a time-dependent input using a predetermined transformation having an inverse transformation. Multiple authentication modes are supported, with a bit-length of the time-dependent input of one authentication mode being different from a bit-length of the time-dependent input of another authentication mode. Generating the authentication parameter is dependent, in part, on whether the time-dependent input is of the one authentication mode or the other authentication mode. A time-dependent password including a character string is generated from the authentication parameter using another predetermined transformation having another inverse transformation. The time-dependent password is forwarded within the authentication system for authentication by an authenticator.
US11297053B2 Alternate user communication routing for a onetime credential
The invention relates to alternate user communication routing for a one-time credential. When a user is determined to be an unauthorized user, the unauthorized user may be provided with an alternative one-time credential (e.g., one-time password, or the like) in response to the user trying to take an action (e.g., to access the organization systems in order to access information). When the unauthorized user tries to utilize the alternative one-time credential, the organization may identify the user as unauthorized and determine how to respond to the unauthorized user. In addition to the alternative one-time credential, one or more additional alternate treatments may be presented to the unauthorized user in order to identify, track, and/or prevent access by the unauthorized user.
US11297052B1 Password protecting selected message content
Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing a program and method for password protecting selected message content. The program and method provide for receiving selection of a content item shared between a first user and a second user, in association with a messaging application; receiving input indicating that access to the content item requires user authentication by the first user or the second user; and providing for access to the content item based on the user selection and the input.
US11297051B2 Authenticated session management across multiple electronic devices using a virtual session manager
A virtual session manager of an electronic device maintains a web session for a user across multiple electronic devices. The virtual session manager receives an authentication request from a first electronic device that is in a communication range of the device. The virtual session manager transmits the authentication request to an endpoint device with a grant token without providing the first electronic device with any access to the grant token. The virtual session manager will receive, from the endpoint device, a first access token in response to the first authentication request. The virtual session manager will transmit the first access token to the first electronic device so that the first electronic device can establish a virtual session with the first web resource.
US11297050B2 Secure communication for medical devices
Methods, systems, and apparatus for providing secure communication. The device includes a trusted environment having a memory that is configured to store an application. The device includes one or more processors configured to perform operations of the application that execute within the trusted environment. The operations include sending an access request to connect with a second device, receiving an authentication request from the second device that requests the application to provide a zero-knowledge password proof and obtaining the zero-knowledge password proof. The operations also include sending the zero-knowledge password proof to the second device and establishing a communication channel with the second device.
US11297048B2 Secure application access system
A proxy server receives a synchronization request from an application program resident on a user device. The proxy server determines that the user device requires removal of application program data and synchronizes the application program resident on the user device with a null account that is associated with application program.
US11297046B2 Systems and methods for cryptographic authentication of contactless cards
Example embodiments of systems and methods for data transmission between a contactless card, a client device, and one or more servers are provided. The memory of the contactless card may include one or more applets and a counter. The client device may be in data communication with the contactless card and one or more servers, and the one or more servers may include an expected counter value. The client device may be configured to read the counter from the contactless card and transmit it to the one or more servers. The one or more servers may compare the counter to the expected counter value for synchronization. The contactless card and the one or more servers may resynchronize the counter, via one or more processes, based on one or more reads of the one or more applets. The one or more servers may authenticate the contactless card based on the resynchronization.
US11297044B2 Encrypted purging of data from content node storage
Described herein are methods, systems, and software for encrypting and erasing data objects in a content node. In one example, a method of operating a content node that caches content divided into one or more data objects includes encrypting the one or more data objects using separate encryption keys for each of the one or more data objects, the separate encryption keys comprising a common portion shared by the one or more data objects and an individualized portion unique to each data object. The method further provides receiving a purge request to erase at least one data object and, responsive to the purge request, erasing at least one of the common portion or the individualized portion for the at least one data object based on the purge request.
US11297043B2 Cryptographic datashare control for blockchain
A system includes circuitry for cryptographic data share controls for distributed ledger technology based data constructs. The system may support placement of compute data on to a distributed ledger technology based data construct. The compute data may have multiple layers of encryption to support permissions and coordination of processing operations for application to the compute data. The multiple layers of encryption may include a homomorphic layer to allow sharing of the compute data for processing by a compute party without divulging the content of the compute data with the compute party. While in the homomorphically encrypted form, the homomorphic compute data supports the application of processing operations while maintaining the secrecy of the underlying data.
US11297042B2 Secure message including a vehicle private key
An example apparatus comprises a memory resource configured to store a private key associated with a vehicle and store a data matrix comprising data corresponding to operation of the vehicle. The apparatus may further include a processing resource configured to generate a first secure message comprising data corresponding to the vehicle, transmit the first secure message, receive a second secure message comprising an updated data matrix, and update the data matrix based, at least in part, on the updated data matrix.
US11297036B1 Single whitelisted ingress endpoint on 1 and 2 way TLS connections
Disclosed herein are methods, systems, and processes for implementing a single whitelisted ingress endpoint on both one-way and two-way Transport Layer Security (TLS) connections and performing load balancing. Both two-way TLS agent-based traffic and one-way TLS non-agent-based traffic is routed through a single whitelisted internet protocol (IP) endpoint. A TLS connection is transmitted from a network load balancer and to a platform gateway service that operates as a Server Name Indication (SNI) reverse proxy server. The platform gateway service separates out the one-way TLS non-agent-based traffic that is part of the TLS connection based on a TLS header of the TLS connection. The one-way TLS non-agent-based traffic is then selectively terminated on an elastic load balancer.
US11297035B2 Systems and methods for web traffic control
A system for web traffic control is provided that is based on information related to a user's previous online activity. In one embodiment, the system is able to collect information about incoming traffic, compare the information to a generated ruleset, and make and implement a decision about how to handle each request/user interaction. In one embodiment, the ruleset is based on e-commerce rules. An e-commerce rule is a unit of decision making logic based on the user's previous online activity on the e-commerce platform, e.g. “If request is to add an item to user's cart, and if user already added something to their cart less than one second ago, then block request”. In some embodiments, the rules may be executed at the firewall and/or in a web application on the e-commerce platform. In some embodiments, one or more rules may be recommended to a merchant.
US11297032B2 Method for detecting user migration from enterprise network to non-enterprise network and a device thereof
Disclosed herein are a method, a device, and a non-transitory computer readable medium for detecting user migration from an enterprise network to a non-enterprise network by using DNS probing. The method includes detecting at least one of a change in state of network connection and change in operational state of a user migration computing device. A domain name system (DNS) query is generated in response to detecting the at least one of a change in state of network connection and change in operational state of a user migration computing device. Further, the DNS query is sent to at least one of a plurality of DNS servers. If an expected DNS response is received, it is determined that the user migration computing device is in the enterprise network. If expected DNS response is not received, that the user migration computing device is outside the enterprise network.
US11297031B2 Hierarchical namespace service with distributed name resolution caching and synchronization
A service enables a command that refers to a file system object using a hierarchical namespace identifier to be executed against the file system object in a flat namespace. The service selectively distributes the command to one of a plurality of name resolution nodes based on a directory name included in the hierarchical namespace identifier. The identified node resolves the directory name to a flat namespace identifier that is used to execute the command against the flat namespace. After communicating with at least one storage node to resolve a directory name, each name resolution node stores a mapping of the directory name to the corresponding flat namespace identifier in a cache, so that subsequent resolutions of that directory name may be performed more efficiently. Cache entries may be invalidated when an operation occurs that impacts the relevant mapping and/or based on system considerations such as cache expiry.
US11297029B2 System and method for unified multi-channel messaging with block-based datastore
Aspects of the present disclosure involve systems, methods, devices, and the like for communicating with a unified messaging center using multi-channel messaging with block-based datastore. In one embodiment, a system is introduced that can provide a unified experience and capability for messaging with one or more entities across platforms. The messaging capability includes the ability to provide user interaction using a single architecture with data store in a centralized form. In one embodiment, the data store includes the use of blockchain technology wherein each interaction with the user and across platforms is recorded and stored on a cryptographed block.
US11297027B1 Automated image processing and insight presentation
Systems, methods, devices, computer readable instruction media, and other embodiments are described for automated image processing and insight presentation. One embodiment involves receiving a plurality of ephemeral content messages from a plurality of client devices, and processing the messages to identify content associated with at least a first content type. A set of analysis data associated with the first content type is then generated from the messages, and portions of the messages associated with the first content type are processed to generate a first content collection. The first content collection and the set of analysis data are then communicated to a client device configured for a display interface comprising the first content collection and a representation of at least a portion of the set of analysis data.
US11297022B2 Messaging systems and methods that employ a blockchain to ensure integrity of message delivery
A messaging system is provided that includes a first message server, a second message server and a distributed database system that stores a blockchain. The first message server receives a message from a first user system, and records at least one selected component of the message into a block of the blockchain stored in the distributed database system. When the second message server receives the message from the first message server, the second message server can determine whether a component from the message matches the selected component that is stored in the block of the blockchain.
US11297015B2 Message providing device for registering setting information of chatbot for each user and non-transitory computer readable medium storing program
A message providing device includes a receiving section that receives a registration request for setting information regarding an operation of a software robot program for each user, the software robot program operating on a message service in which a message is transmitted and received between users, to transmit and receive the message to and from a user, a registration section that registers setting information for a first user in association with identification information of the first user, in response to the registration request from the first user, and a control section that performs control such that at least a portion of the registered setting information for the first user is registered as setting information for a second user in association with identification information of the second user, corresponding to transmission and reception of a message between the first user or the second user, and the software robot program.
US11297011B2 Data transmission method and communications device
A data transmission method includes obtaining dequeue information that indicates a queue which requests to output data in a communications device and a target data volume that is output from each queue at a time, and the communications device manages the target data volume based on a burst value, reading, based on the queue, a sub-packet descriptor (PD) that is obtained by segmenting the first PD, the sub-PD includes target description information indicating a target data packet, the first PD includes first description information indicating a first data packet set including the target data packet, the first data packet set and the sub-PD are stored in a packet cache including a dynamic random access memory (DRAM), the first PD is stored in a control cache including a static random access memory (SRAM), and determining, the target data packet based on the sub-PD, and sending the target data packet.
US11297009B2 Complete autozoning in fibre channel SANs
An initiator emulator is implemented on a control plane of a switch fabric connected to target ports of a storage array having storage configured with logical partitions. After an initiator port of a server logs into the switch fabric and is blocked from discovering the target ports, the initiator emulator, acting as proxy for the initiator port, discovers information that indicates logical partition masking enforced at the target ports for the initiator port. The initiator emulator determines allowed (initiator (I), target (T)) (I, T) port combinations that should be allowed access via the switch fabric based on the information from the discovery. The initiator emulator configures the switch fabric with one or more zones based on the allowed (I, T) port combinations. The initiator emulator then sends to the initiator port an indication of a zone change to the switch fabric.
US11297008B2 Programmable packet data processing system
Embodiments of the present disclosure relate to software-defined networks, and particularly, but not exclusively to programmable packet data processing systems, methods and computer readable products for use therein.
US11297007B2 Relay apparatus
A relay apparatus includes: ports for transmitting and receiving communication data; a relay process portion that executes a relay process of transmitting the communication data received from at least one of the ports, from a destination port corresponding to the at least one of the ports connected to a destination device in accordance with a destination for the communication data; and a setting portion that, by an instruction from at least one external device, sets each of the ports to either a relay prohibition state in which relay of the communication data is prohibited or a relay allowance state in which the relay of the communication data is allowed. When the destination port, the relay process portion discards the received communication data without saving the received communication data.
US11296999B2 Sliding window based non-busy looping mode in cloud computing
A method is implemented in a computing system for managing resources to decrease busy-looping, the method using a sliding window template including at least a first sliding window. The method includes initializing the sliding window template for a monitored resource, determining a current status of the monitored resource, updating the first sliding window with the current status, determining a first sliding window status based on whether a first sliding window threshold is met, and determining whether to sleep the monitored resource based on a decision-making table that uses at least the first sliding window status as input.
US11296991B2 Quality of experience based network analysis
Methods and systems for changing communication paths in a network based on predicted Quality of Experience metrics are described herein. Computing devices in a network may communicate via one or more communication paths and using one or more applications. One or more Quality of Experience metrics may be determined for the one or more applications. Network metrics for the network may be measured and, based on one or more Quality of Service policies for the network, predicted Quality of Experience metrics may be determined using, e.g., a model network. A communication path recommendation may be output based on the predicted Quality of Experience metrics. For example, the recommendation may cause an application to change from a first communication path to a second communication path.
US11296981B2 Serverless packet processing service with configurable exception paths
Indications of packet processing operations to be performed for packets of a resource group, as well as configuration settings of the group, are obtained. A packet that satisfies a requirement of the configuration settings and meets a fast path criterion is processed at a fast path node configured for the group. In response to determining that another packet does not satisfy a criterion for fast path processing, the other packet is transmitted to an exception path target.
US11296976B2 Optimization of MTC device trigger delivery
A network node (21), which is placed within a core network, stores a list of network elements (24) capable of forwarding a trigger message to a MTC device (10). The network node (21) receives the trigger message from a transmission source (30, 40) placed outside the core network, and then selects, based on the list, one of the network elements to forward the trigger message to the MTC device (10). The MTC device (10) validates the received trigger message, and then transmits, when the trigger message is not validated, to the network node (21) a reject message indicating that the trigger message is not accepted by the MTC device (10). Upon receiving the reject message, the network node (21) forwards the trigger message through a different one of the network elements, or forwards the reject message to transmission source (30, 40) to send the trigger message through user plane.
US11296970B2 Method for detecting a disruption in a vehicle's communication system by checking for abnormalities in communication
A system for detecting a disruption in a communication system of a vehicle. The system includes a vehicle bus and an electronic processor. The electronic processor is configured to receive a message, from a vehicle bus. The message has a format and a plurality of signals. The electronic processor is configured to detect anomalies in a bus identifier, the message format, a time the message is received, and a signal parameter of a signal of the plurality of signals. The electronic processor is also configured to generate an error if an anomaly is detected in the message format, an anomaly is detected in the time the message is received, or an anomaly is detected in the signal parameter of the signal of the plurality of signals.
US11296967B1 Combining passive network analysis and active probing
Embodiments are directed monitoring network traffic using network monitoring computers. Metrics may be determined based on monitoring network traffic associated with entities in the network such that the metrics may be included in profiles associated each entity. The profiles may be compared with other profiles in a context database based on the metrics included in each profile and each other profile. In response to the profiles being unmatched by other profiles one or more active probes may be performed to collect other metrics that may be used to update profiles. In response to the one or more profiles being matched by the other profiles in the context database, a timestamp associated with the other profiles may be updated to a current time value. Reports that include information associated with the entities and the profiles or the updated profiles may be generated.
US11296966B2 System and method for efficient information collection and distribution (EICD) via independent dominating sets
A system and method for efficient collection and distribution of mission-critical information (MCI) throughout a multi-node communication network is disclosed. In embodiments, the multi-node communication network may include a clusterhead node including a communication interface and a controller. In embodiments, the controller transmits an MCI request packet to neighbor nodes of its cluster. The controller receives MCI report packets from the neighbor nodes (or a subset thereof) throughout a first time interval. The controller rebroadcasts the MCI request packet to the neighbor nodes through increasingly shorter time intervals as MCI report packets continue to be transmitted in response. When the controller determines that no MCI report packets have been transmitted during the most recent time interval, the controller generates and transmits an MCI publish packet including the MCI information collected from each neighbor node.
US11296965B2 Abnormality detection in an on-board network system
An abnormality detection method is provided. The abnormality detection method is for detecting an abnormality that may be transmitted to a bus in an on-board network system. The on-board network system includes a plurality of electronic controllers that transmit and receive messages via the bus in a mobility entity. In the abnormality detection method, for example, a gateway transmits identification information to a server and receives a response determining a unit time. An operation process is performed using feature information based on a number of messages received from the bus per the determined unit time and using a model indicating a criterion in terms of a message occurrence frequency. A judgment is made as to an abnormality according to a result of the operation process.
US11296964B2 Technologies for dynamically generating network topology-based and location-based insights
Technologies for dynamically generating topology and location based network insights are provided. In some examples, a method can include determining statistical changes in time series data including a series of data points associated with one or more conditions or parameters of a network; determining a period of time corresponding to one or more of the statistical changes in the time series data; obtaining telemetry data corresponding to a segment of the network and one or more time intervals, wherein a respective length of each time interval is based on a length of the period of time corresponding to the one or more of the statistical changes in the time series data; and generating, based on the telemetry data, insights about the segment of the network, the insights identifying a trend or statistical deviation in a behavior of the segment of the network during the one or more time intervals.
US11296963B1 System and method of traffic prediction for IoT nodes
A system of traffic prediction for IoT nodes includes at least one access node, a transmission network and a cloud platform. The access node is configured to collect traffic data, cluster the traffic data into access traffic data and network traffic data, input the access traffic data into an access traffic prediction model to obtain a prediction result of the access traffic at a next moment, and upload the network traffic data and the prediction result of the access traffic to the cloud platform; the cloud platform is configured to input the network traffic data into a network traffic prediction model to obtain a prediction result of the network traffic for each access node at the next moment, and obtain a prediction result of traffic for each node according to the prediction result of the network traffic and the prediction result of the access traffic.
US11296962B2 Monitoring streaming media content
Methods, apparatus and articles of manufacture to monitor streaming media are disclosed. Example media monitoring methods disclosed herein include presenting streaming media accessed via a network, extracting metering metadata from a metadata channel associated with a transport stream, the transport stream providing the streaming media to a media presentation device, in response to a detected event, reporting the metering metadata to a server, accessing an identification of secondary media for presentation responsive to the reporting of the metering metadata, and presenting the identified secondary media.
US11296961B2 Simplified entity lifecycle management
The technology disclosed offers a declarative framework that implements a machine for multi-step progression of interaction with an entity. The declarative framework is usable over and over for a broad range of applications because it provides a simple rule-based authoring tool that can be used for specifying different elements and components of a complex state machine, including state definitions, state transition triggers, state transition conditions and state transition actions. Once defined, the state machine is automatically generated and implemented based on the declarative input provided by a non-technical user.
US11296958B2 Packet capture device and packet capture method
A packet capture device incudes: a capture unit which captures packets that flow in a communication network at 200 Gbps; a control unit which temporarily holds the packets captured; and an interface which stores the packets temporarily held into a secondary storage device. The control unit includes: a first NUMA node including a first processor and a first memory; and a second NUMA node including a second processor and a second memory. The capture unit includes: a first capture unit which captures packets and stores the packets into a first memory; and a second capture unit which captures packets and stores the packets into a second memory.
US11296957B2 Network slice management method, unit, and system
A network slice template management method includes: receiving, by a first management unit, a subnet management request, where the subnet management request carries indication information of a subnet template; obtaining, by the first management unit, network service descriptor association information or a network service descriptor based on the indication information of the subnet template; and obtaining, by the first management unit, a network service instance based on the network service descriptor association information or the network service descriptor.
US11296954B2 Supporting near real time service level agreements
A controller device manages a plurality of network devices. The controller device includes one or more processing units implemented in circuitry and configured to determine that one or more stateful intents used to manage the plurality of network devices and represented by a graph model are degraded due to assigned resources for the stateful intents having become degraded; in response to determining that the one or more stateful intents are degraded, determine resources for the stateful intents, the resources corresponding to vertices of the graph model; provision the stateful intents using the determined resources; determine whether the provisioning of the stateful intents was successful; compile at least one of the stateful intents that was successful into low-level configuration data for at least one network device of the plurality of network devices; and configure the at least one network device using the low-level configuration data.
US11296945B2 Management method and apparatus
A management method and apparatus are provided. The method includes: obtaining, by a second management unit, affinity information. The affinity information is used to configure affinity and/or anti-affinity between a target object and another object, or is used to configure affinity and/or anti-affinity between a child object of the target object and another object. The method further includes sending, by the second management unit, a management request of the target object to a first management unit. The management request carries the affinity information. The method further includes managing, by the first management unit, the target object according to the affinity information, after receiving the management request of the target object and sent by the second management unit.
US11296942B1 Relative device placement configuration
A presence of a secondary device is detected by a primary device. The primary device is operating in a first configuration. A current placement of the secondary device is identified by the primary device. Based on the current placement of the secondary device a list of potential future placements of the secondary device is determined by the primary device. The list of potential future placements of the secondary device is prioritized by the primary device. A first candidate future placement of the secondary device is selected based on the list by the primary device.
US11296938B2 Method and system for resource management based on machine learning
A method, a device, and a non-transitory storage medium are described in which a machine learning-based resource management service is provided. A network device obtains network and end device information, and uses machine learning to determine whether to adjust an auto-scaling rule pertaining to the provisioning of an application service. The network device generates a modified auto-scaling rule based on the analysis.
US11296937B2 Decentralized data storage and processing for IoT devices
Methods, apparatus, and articles of manufacture for decentralized data storage and processing for IoT devices are disclosed. An example apparatus includes memory; and a processor to cause storage of a contract in an off-chain datastore; generate a hash value of the contract; cause storage of the hash value on a blockchain to be accessible to multiple nodes in an IoT network; and cause storage of a transaction on the blockchain, the transaction corresponding to an objective of the contract based on data sensed by an IoT device in the IoT network.
US11296934B2 Device provisioning system
To provide a provisioning system capable of providing a valid device with valid provisioning data and preventing intrusion of an unauthorized device.A device provisioning system that provides a device 4 with provisioning data for provisioning the device 4 includes: public key providing means configured to acquire a first public key unique to the device 4 from a blockchain 2 storing the first public key in association with a first trail in response to a query using the first trail; and provisioning data providing means configured to acquire the first public key through the public key providing means in response to a query using the first trail from the device 4 and transmit the provisioning data encrypted with the first public key to the device 4.
US11296929B2 Methods and network systems for enabling a network service in a visited network
Methods and network systems for enabling a network service for a client belonging to a home network (200) by using at least one Virtual Network Function, VNF (202D) of a Virtualized Infrastructure (202C) in a visited network (202). When requested by the home network, the visited network instantiates (2:10), a nested Virtualized Infrastructure Manager, VIM, (202E) which previously has been onboarded in the visited network and has been selected from a set of predefined VIMs supported by the home network. The visited network also instantiates (2:10) in the nested VIM a VNF package which has been onboarded in the visited network and having software needed to execute the network service. The network service can then be employed using the instantiated VIM and VNF package.
US11296928B2 Containing a faulty stimulus in a content delivery network
Examples described herein relate to systems and methods for containing a faulty stimulus. A computer-implemented method may include listing in a suspect list every received stimulus including the faulty stimulus, and implicitly testing the stimuli by respectively acting upon those stimuli by a software application. Responsive to successfully acting upon each of the stimuli besides the faulty stimulus, each non-faulty stimulus is deleted from the suspect list and, responsive to such deletion, made available to a downstream node. Responsive to acting upon the faulty stimulus, the software application crashes which leaves the faulty stimulus listed in the suspect list. The software application then restarts and deems the faulty stimulus as being faulty based upon the faulty stimulus still being listed in the suspect list after the restart.
US11296926B1 Systems and methods for ranked visualization of events
The present disclosure relates to a timeline visualization to enable users to more quickly find information and limit the amount of displayed information associated with one or more records. The timeline visualization displays events associated with a record as areas that are positioned along the timeline visualization. In some embodiments, the events displayed on the timeline visualization may be selected based on properties of the events and timeline parameters, such as dimensions of the timeline visualization and the areas to be displayed using the timeline visualization.
US11296924B2 Communication method, communications device, and storage medium
A communication method is provided. In embodiments of this application, first fault information is obtained by using a first port, and second fault information is sent based on the first fault information by using a second port. The first port is a first-type port, the first-type port transmits information according to a standard Ethernet protocol, the first fault information is first-type fault information, the second port is a second-type port, the second-type port transmits information according to a flexible Ethernet protocol, the first-type fault information includes at least one of local fault information and remote fault information, the second fault information is second-type fault information, and the second-type fault information is used to indicate that a link corresponding to the standard Ethernet protocol is faulty.
US11296923B2 Network fault originator identification for virtual network infrastructure
Concepts and technologies directed to network fault originator identification for virtual network infrastructure are disclosed herein. Embodiments can include a control system that is communicatively coupled with network infrastructure. The control system can include a processor and memory that, upon execution, causes the control system to perform operations. The operations can include determining, based on a source ticket, a network fault condition associated with the network infrastructure. The operations can further include identifying, from the source ticket, a trap set and an alarm set that are associated with origination of the network fault condition. The operations can include the control system collecting network event data from the network infrastructure prior to a polling time of a fault reporting schedule; determining that a qualified source ticket should be created; and generating the qualified source ticket based on the network event data.
US11296922B2 Context-aware automated root cause analysis in managed networks
Configuration management persistent storage contains entries representing configuration items and relationships between pairs of the configuration items. Event management persistent storage contains entries representing alert records. Change request persistent storage contains change records respectively referring to changes made to the configuration items. One or more processors may be configured to: extract, from a particular alert, a particular configuration item referred to therein that is associated with a particular problem; determine, by way of the relationships, a set of configuration items within a topological distance of the particular configuration item; identify, by way of the change records, one or more change requests that refer to any of the set of configuration items; and calculate root cause scores for the one or more change requests, wherein the root cause scores respectively represent estimations of impacts that the changes of the one or more change requests had on causing the particular alert.
US11296914B2 Communication device and communication method
A communication device and a communication method that transmit and receive wireless packets are provided.A communication device includes a control unit that determines a subcarrier to be a null tone according to information applied to a packet and a transmission unit that generates a multi-carrier signal in which the determined subcarrier is set as a null tone and wirelessly transmits the signal. The control unit determines a position of a subcarrier and the number of subcarriers to be a null tone or a position of a subcarrier in correspondence with the information and, in addition, changes a subcarrier to be a null tone according to temporal variation of the information.
US11296913B2 Method and apparatus for transmitting ACK/NACK
A technology enabling a terminal to receive acknowledgement (ACK)/negative ACK (NACK) information about data transmitted from the terminal is provided. The method includes receiving cyclic shift information for a reference signal from the base station; transmitting, to the base station, the data and a reference signal which is cyclic-shifted using a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal; and receiving, from the base station, the ACK/NACK information about the transmitted data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal.
US11296909B2 Apparatus and method for performing radio communication
An apparatus including: a communication unit configured to perform radio communication; and a control unit configured to perform control such that control information regarding a filter length of a filter for limiting a width of a guard band in a frequency band to be used in the radio communication is transmitted to an external apparatus through the radio communication. The filter length is determined in accordance with at least one of a frequency resource and a time resource for the radio communication. The apparatus enables a filter improving frequency use efficiency.
US11296906B2 Wireless programming device and methods for machine control systems
Embodiments for wirelessly programming a control system of a machine, such as a vehicle, are provided. As machines typically include an intricate collection of electronic devices that communicate to one another via a complex network, the ability to reliably program such devices over a wireless connection is extremely unreliable due to network limitations or requirements, such as defined communication protocols or standards. Embodiments relate to a machine interfacing device that can wirelessly communicate with a client device that serves as both a diagnostics and programming interface. The machine interfacing device, physically coupled to the control system, can independently convert and intelligently manage communications to and from electronic devices of the machine control system. The client device can determine compatibility between the machine and the machine interfacing device, and retrieve compatible programming messages from a remote server, thereby expanding the overall utility of the machine interfacing device.
US11296903B2 Master of a bus system
A master of a bus system for process control with one slave and a bus. A transceiver circuit transmits and receives for process control by data packets. A channel has a receive memory area. The transceiver circuit is set up to write the receive data of a data packet received via the bus into the receive memory area. The channel has at least one selection circuit, an output of the selection circuit being connected to the transceiver circuit. The selection circuit has a first input for selecting initial data. The selection circuit has a second input, the second input being connected to the receive memory area, and the selection circuit is configured to select the transmit data from the initial data and/or the data written into the receive memory area and to output the transmitted data to the transceiver circuit for a data packet to be transmitted.
US11296897B2 Composite security marking and methods and apparatuses for providing and reading same
In one embodiment, the invention is directed to a method of reading a marking, comprising a stimulation step, wherein a physical challenge according to a predetermined challenge-response authentication scheme corresponding to the PUF is created and applied to a PUF; a detection step, wherein a response generated by the PUF in accordance with the challenge-response authentication scheme in reaction to the challenge is detected and a digital signal representing the response is generated; a processing step, wherein the digital signal is processed in order to generate a hash value of the response by application of a predetermined cryptographic hash function to the digital signal; and an output step, wherein data representing the generated hash value as a first reading result is output.
US11296896B2 Method of authenticating authentication-target apparatus using challenge and response
A target sends ID of a key table. The apparatus receives the ID. The apparatus sends ID of an authentication table to the target. The apparatus sends a challenge corresponding to a pair of the ID of the key table and the ID of the authentication table, to the target. The target obtains, from the key table, a key corresponding to a pair of the ID of the key table and the ID of the authentication table. The target generates a response from the challenge and the key. The target sends the response to the apparatus. The apparatus obtains, from the authentication table, a response corresponding to a pair of the ID of the key table and the ID of the authentication table. The apparatus authenticates the target based on the responses.
US11296893B2 Method and system for identity verification
A method for verifying the identity of a new user, the method comprising providing a Certification Authority platform that is accessible via the internet. The platform receives an identity verification request of the new user and requests the new user to enter the user's full name and at least one other personal identity data. The platform may then identify at least two already verified users in the proximity of the new user, and ask the existing verified users to vouch for the complete list of the personal identity data of the new user. The existing verified users may then vouch for the new user and the platform makes the new user a verified user and generates a digital certificate.
US11296888B2 Distributed biometric comparison framework
A method is disclosed. An authentication node may receive a plurality of encrypted match values, wherein the plurality of encrypted match values were formed by a plurality of worker nodes that compare a plurality of encrypted second biometric template parts derived from a second biometric template to a plurality of encrypted first biometric template parts derived from a first biometric template. The authentication node may decrypt the plurality of encrypted match values resulting in a plurality of decrypted match values. The authentication node may then determine if a first biometric template matches the second biometric template using the plurality of decrypted match values. An enrollment node may be capable of enrolling a biometric template and storing encrypted biometric template parts at worker nodes.
US11296886B2 Dynamic object passwords
A construction of a dynamic object password (DOP) is initiated by selecting an object from a set of objects in a step of the construction. A transformation is applied to the object to form a transformed object by altering a dynamic aspect of the object. A placement operation is performed on the transformed object relative to a field position of the DOP. As a part of the step, a triple is generated including an identifier of the selected object, an identifier of the transformation, and an identifier of the placement operation. The triple is transmitted as a part of transmitting an authorization code, the authorization code forming the DOP.
US11296882B1 System for intelligent identification of unauthorized users in a distributed register network
A system for identifying unauthorized users in a distributed register network is provided. In particular, the system may comprise a distributed register network comprising one or more decentralized nodes, each of which may store a separate copy of a distributed data register. The system may further comprise one or more specialized nodes which authenticate users that trigger the generation of blocks in a linked structures of the distributed register network, where the blocks are associated with requests that are submitted by the user. In this way, the system verifies the authenticity of the blocks in the linked structures, thereby providing a more robust distributed register network.
US11296880B2 System, method, and computer-accessible medium for actionable push notifications
An exemplary system, method, and computer-accessible medium can include, for example, receiving at a first entity from a second entity, a first request for encrypted user information associated with at least one user, wherein the first request includes a user identifier associated with the at least one user, and wherein the first entity is different from the second entity, sending, from the first entity, a second request to a user device associated with the at least one user, wherein the second request includes a notification to the at least one user for an affirmation of the first request or a denial of the first request, receiving at the first entity from the user device, the affirmation or the denial, and sending, from the first entity to the second entity, (i) the encrypted user information if the affirmation is received or (ii) a denied notification if the denial is received.
US11296876B1 Parallel cross-domain guard engines with sequential cryptographic controls
A system and method for cross-domain parallel inspection of data packets in transit between domains of differing security classification incorporating sequential cryptographic control is disclosed. In embodiments, the system includes first and second random number generators, each generating a one-time pad for transmission to both a corresponding front-end cryptographic engine and a parallel guard engine. The cryptographic engines double encrypt the data packet in sequence according to the one-time pads, storing the encrypted packet in a holding register. Each guard engine inspects the data packet in parallel, indicating approval by transmitting a release to the holding register and sending its one-time pad to a back-end cryptographic engine. When the holding register receives both releases, the double encrypted packet is sequentially decrypted by the back-end cryptographic engines in reverse order according to the one-time pads received from the guard engines. The fully decrypted data packet is transferred to the second domain.
US11296865B1 Cryptographic algorithm status transition
Various embodiments relate to a method performed by a processor of a computing system. An example method includes determining a first cryptographic algorithm utilized in a first block of a first blockchain. The first block of the first blockchain has a first unique block identifier. A second cryptographic algorithm utilized in a second block of the first blockchain is determined. The second block of the first blockchain having a second unique block identifier. A first cryptographic algorithm status transition (“CAST”) event is defined if the second cryptographic algorithm is different than the first cryptographic algorithm. A first CAST record is defined upon occurrence of the first CAST event. The first CAST record includes the second cryptographic algorithm and the second unique block identifier. The first CAST record is digitally signed and stored on a second blockchain. The second blockchain may be referenced out-of-band of the first blockchain.
US11296863B2 Blockchain enterprise data management
Methods and systems for enterprise data management using a blockchain are described herein. A distributed peer-to-peer network may manage a blockchain corresponding to a data field. A first computing device may receive data from the data field. The first computing device may determine the blockchain corresponding to the data field and evaluate blockchain entries of the blockchain. Such blockchain entries may comprise information regarding data lineage, privacy, or the like. Based on the blockchain entries evaluated, the computing device may determine whether to store the data received. In response to determining to transfer at least a portion of the data to a second computing device, the first computing device may generate a blockchain entry and cause it to be added to the blockchain.
US11296861B1 Paillier decryption system, IC and method
A Paillier decryption system, IC, and method. The IC includes: a modular exponentiation module, for performing modular exponentiation operations related to a first subitem and a second subitem, where a Paillier decryption process of encrypted data is divided into a first subitem and a second subitem according to the Chinese remainder theorem, the first subitem corresponding to a first prime, the second subitem corresponding to a second prime, a public key of the encrypted data being a product of the first prime and the second prime, a bit width of the first prime being the same as a bit width of the second prime; a first module combination corresponding to the first subitem, for determining a computation result of the first subitem; and a second module combination corresponding to the second subitem, for determining a computation result of the second subitem.
US11296857B2 Configuration of time domain multiplexing
Methods and techniques for slot format configuration in a Time Domain Duplex system to allow flexible assignment of resources between uplink and downlink, while avoiding Cross Link Interference. As standard slot ordering is provided together with rules to limit modification of slot format between slots such than an estimate of safe regions can be made.
US11296856B2 Method for transmitting information and device
Provided are a method for transmitting information and a device. The method comprises: a receiving end device receiving, within a first time unit, first information sent by a sending end device; and the receiving end device sending, within a second time unit, second information corresponding to the first information to the sending end device, wherein the duration of the first time unit is different from that of the second time unit. By means of the method for transmitting information in the embodiments of the present invention, when different transmission time intervals are used for an uplink and a downlink or a plurality of types of transmission time intervals are used for a communication system, rational scheduling and a time sequence fed back can be determined for devices at a receiving end and a sending end so as to ensure normal transmission of the information.
US11296854B2 Facilitating a mobile device specific physical downlink shared channel resource element mapping indicator
A system employing RE mapping for efficient use of the downlink control channel is provided for a wireless communication system. In one example, the system operations can comprise selecting index information corresponding to a resource element mapping pattern of a group of resource element mapping patterns, wherein the group of resource element mapping patterns is associated with a mobile device of a group of mobile devices, wherein the resource element mapping pattern is a two-dimensional mapping pattern comprising associated control channel symbol locations on a first axis and associated subcarrier locations on a second axis, and wherein the index information is an index of a group of indices associated with respective ones of the group of resource element mapping patterns; and transmitting the index information to the mobile device to inform the mobile device of a control channel symbol location at which data can be transmitted.
US11296852B2 User distribution to sub-bands in multiple access communications systems
A method of determining a performance metric for a selection of a first user and a second user among a set of candidate users for attribution to a sub-band in a multiple access communications system based on Non-Orthogonal Multiple Access (NOMA), is provided wherein the first user (k1) and the second user (k2) are selected as the pair of candidate users corresponding to an extremum of the ratio between a first term reflecting the total throughput achievable by any pair of the candidate users assigned to the sub-band (s) under consideration, and a second term reflecting the known throughput achieved by that same pair of candidate users over a predetermined preceding period. Implementations include a method of determining a performance metric is presented for attributing users to one or more of a plurality of sub-bands in a multiple access communications system, wherein in an initial assignment phase for a specific sub-band, a first user is selected for that band on the basis of one or more criteria such as user priority. Then a second sub-band user maximizing or minimizing the performance metric.
US11296850B2 Method and apparatus for transmission and reception of sidelink feedback in wireless communication system
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system with a technology for Internet of Things (IoT). Methods and apparatuses are provided in which first sidelink data and second sidelink data are received from one or more terminals. It is determined whether a first resource for transmitting first feedback information for the first sidelink data and a second resource for transmitting second feedback information for the second sidelink data overlap each other. When the first resource and the second resource overlap each other, feedback information corresponding to one of the first feedback information and the second feedback information having a higher priority, is transmitted to the one or more terminals. A priority of each of the first feedback information and the second feedback information is based on sidelink control information scheduling each of the first sidelink data and the second sidelink data.
US11296848B2 Method and device for transmitting information in wireless communication system
The present disclosure provides a method and a device for transmitting information in a wireless communication system. In the method for transmitting information in a wireless communication system provided by embodiments of the present disclosure, a granularity is provided, when uplink (UL) and downlink (DL) adopt different numerologies, and a corresponding timing is provided by taking the granularity as a unit, which provides a basis for scheduling design of 5G New Radio (NR).
US11296846B2 Wireless communication system that performs measurement based selection of phase tracking reference signal (PTRS) ports
A UE transmits to a BS an indication of a number of PTRS ports. The number of PTRS ports is a suggestion to the BS for allocating the indicated number of PTRS ports to the UE for transmission of PTRS from the BS to the UE to enable the UE to perform phase tracking. The method also includes allocating, by the BS, PTRS ports to the UE based on the indication of the number of PTRS ports. The indication may be included in a UCI message, MAC CE, or RRC message transmitted by the UE to the BS. The BS may map the allocated PTRS ports to DMRS ports corresponding to spatial streams transmitted by the BS. The UE may estimate CPE of each spatial stream, measure correlations of the estimated CPE among the spatial streams, and use the correlations to determine the suggested number of PTRS.
US11296838B2 Cluster-set determination for comp based on reliability and delay budget in URLLC
Various aspects described herein relate to techniques for communications in a coordinated multi-point (CoMP) wireless communications system. In an aspect, a method of wireless communications may include receiving a request to form a CoMP cluster set of transmit/receive points (TRPs) for a user equipment (UE), determine the CoMP cluster set of TRPs for the UE based on at least a delay budget and a reliability requirement, and one or more of configuration information and measurements, and coordinate communications for the UE using the CoMP cluster set. The techniques described herein may apply to different communications technologies, including 5th Generation (5G) New Radio (NR) communications technology.
US11296835B2 Method of operating a redundant PRP
The invention relates to a method for operating a transmission system (1) that comprises a first network (2) and at least one additional network (3), in which data are exchanged between said at least two networks (2, 3) by means of data of the first network (2) being fed to duplication means (4) in the form of data packets, these fed data packets being wirelessly transmitted to separator means (5) via at least two transmission paths (6, 7) using PRP, and being forwarded from said separator means (5) to the connected additional network (3) in the form of a data stream. The invention is characterized in that the data packets are temporarily stored in a memory once they have been transmitted via the at least two transmission paths (6, 7).
US11296833B2 ACK/NACK resource allocation method, and corresponding user equipment and base station
The present disclosure provides an acknowledgment message resource allocation method applicable to an NB-IoT TDD cell, and a corresponding base station and corresponding user equipment for performing the method. The user equipment according to an embodiment of the present invention includes: a receiving unit, configured to receive allocation information of acknowledgment message transmission resources, the allocation information including offset indication information instructing an offset j0 of a start time of the acknowledgment message transmission resources with respect to a reference time, and the offset j0 instructing an offset expressed by a number of NB-IoT uplink slots; and a transmitting unit, configured to perform acknowledgment message transmission based on the allocation information.
US11296831B2 Method and apparatus for wireless communication
Disclosed in embodiments of the present disclosure are a method and apparatus for wireless communication. The method comprises: a receiving end determines that at least one protocol data unit (PDU) is not received between a first PDU and a second PDU; the receiving end determines a target time length of a timer according to the data type of the at least one PDU; the receiving end starts the timer and waits for the at least one PDU within the target time length. The method and apparatus in the embodiments of the present disclosure are favorable for improving the flexibility of wireless communication.
US11296828B2 Method for transmitting or receiving frame in wireless LAN, and device therefor
A method by which a station (STA) transmits a hybrid automatic repeat request (HARQ) physical layer protocol data unit (PPDU) in a wireless LAN system supporting an HARQ process, according to one embodiment of the present invention, comprises the steps of: generating a HARQ PPDU including allocation information on a HARQ burst, which is unit data to which the HARQ process is applied, and a plurality of HARQ bursts; and transmitting the HARQ PPDU, wherein the HARQ PPDU includes a HARQ signaling (SIG) field of a physical layer for transmitting the allocation information on a HARQ burst, and the allocation information on a HARQ burst can include STA ID for each of the plurality of HARQ bursts, HARQ burst size information, HARQ process channel ID and information indicating, in a toggle manner, whether a transmission is a new transmission or retransmission.
US11296825B2 Configuration of additonal system information block repetitions
Embodiments described herein relate to methods and apparatus for determining which 5 of a plurality of subframes are repetition subframes, wherein repetition subframes are subframes scheduled for use by abase station to transmit a repetition of a system information block. A method comprises receiving a first mapping comprising information designating a subset of the plurality of subframes as invalid subframes; and determining, based on the first mapping and a second mapping, which of the 0 subframes designated as invalid subframes are repetition subframes, wherein the second mapping comprises information designating at least one of the subset of the plurality of subframes as a repetition subframe.
US11296823B2 Priority based mapping of encoded bits to symbols
A new radio (NR) bit prioritization procedure that may be executed by a UE and a base station is disclosed, resulting in transmission and reception of modulation symbols having prioritized bits. For example, a transmitter may encode a code block using low-density parity-check code to generate a stream of encoded bits. The transmitter may arrange the encoded bits in one or more modulation symbols according to a relative priority of the encoded bits. The highest priority bits may be located in the most significant bits of the modulation symbol, and therefore be less likely to experience errors. A receiver may receive the modulation symbols and reorder the encoded bits according to the coding scheme based on the relative priority prior to decoding the encoded bits. The prioritization of the bits within the modulation symbols may provide improved block error rates over sequential mapping of encoded bits to symbols.
US11296821B2 Method and apparatus for communication
Aspects of the disclosure provide an apparatus that includes transmitting circuit and processing circuit. The transmitting circuitry is configured to transmit wireless signals. The processing circuitry is configured to encode a set of information bits with a code that is configured for incremental redundancy to generate a code word that includes the information bits and parity bits, buffer the code word in a circular buffer, determine a start position in the circular buffer based on a redundancy version that is selected from a plurality of redundancy versions based on a scenario evaluation of a previous transmission associated with the set of information bits, and transmit, via the transmitting circuitry, a selected portion of the code word from the start position.
US11296808B2 Advanced signal processors for interference cancellation in baseband receivers
An interference canceller comprises a composite interference vector (CIV) generator configured to produce a CIV by combining soft and/or hard estimates of interference, an interference-cancelling operator configured for generating a soft projection operator, and a soft-projection canceller configured for performing a soft projection of the received baseband signal to output an interference-cancelled signal. Weights used in the soft-projection operator are selected to maximize a post-processing SINR.
US11296807B2 Techniques to operate a time division multiplexing(TDM) media access control (MAC)
Techniques to operate a time division multiplexing (TDM) media access control (MAC) module include examples of facilitating use of shared resources allocated to ports of a network interface based on a time slot mechanism. The shared resources allocated to process packet data received or sent through the ports of the network interface.
US11296806B2 Shared communication channel that interleaves 1 PPS signals and messaging
A shared bus time interleaves 1 PPS signal and control and coordination information between a primary timing source and line cards that need to be synchronized using the 1 PPS signals. The shared bus utilizes 1 second frames divided into time slots. The 1 PPS signals are interleaved at predetermined locations in the frame so the delays introduced by interleaving the 1 PPS data in time can be precisely removed. While the bus is not being used for 1 PPS signals, the bus is available to send control and coordination information between the line cards and the primary timing source, avoiding the use of another system and increasing utilization of an available communication path.
US11296792B1 Optical transceiver in transistor outline package
An optical signal transceiver in a transistor outline package includes a component base, a laser device, a first wavelength division multiplexing prism and a second wavelength division multiplexing prism, a first photodetector, and a second photodetector. The component base is inside the transistor outline package and supports the laser device, the laser device emitting light to the outside of the transistor outline package. The first and second prisms and the first photodetector and the second photodetector are also located on the component base. Light output as optical signals sequentially pass through the first and second multiplexing prisms. The first input optical signal is transmitted to the first photodetector through the first prism, and the second input optical signal passes through the first prism and is passed on to the second photodetector via the second prism.
US11296789B2 Optical receiver and optical space communication system
To provide a technology in which a differential phase modulation manner can be applied to a space environment for satellite mounting, the optical receiver 10 includes a digital signal processing unit has: a level fluctuation frequency suppression unit 320 which suppresses a level fluctuation frequency component of the peak signal; an optical delay interference control unit 330 which generates an optical delay interference control signal, which is overdrive-amplified, on the basis of the peak signal of which the level fluctuation frequency component is suppressed and applies the generated optical delay interference control signal to the optical delay interferometer 210; and a data recovery unit 310 which recovers output data on the basis of the main signal from the wideband balanced optical detector 240.
US11296787B2 Integrated track-and-receive system for free-space optical communications
A monostatic, beaconless fiber transceiver for free-space optical links infers fine tracking information using receiver optoelectronics and an injected pointing dither (nutation). A MEMS steering mirror fine-points the beams and injects the nutation. While this may disturb fiber coupling and transmit beam pointing, link loss becomes negligible for sufficient SNR. The SNR for links without point-ahead correction is about 35 dB to keep dither loss below 0.1 dB and RMS spatial tracking noise below a tenth of the beam divergence. Since the pointing and tracking bandwidth is much smaller than the receiver communication bandwidth, this SNR is achievable with appropriate filtering. For point-ahead correction, a single-mode fiber transceiver can reach up to about 1 beamwidth of correction, while a few-mode fiber transceiver can reach up to about 1.75 beamwidths due to improved coupling sensitivity at higher point-ahead offsets. Using a double-clad fiber with a secondary detector further reduces the incurred coupling loss.
US11296785B2 Methods and apparatus for fiber optic line fault determination
There is provided an apparatus for fiber optic line continuity detection. The apparatus comprises an optical input connectable to a first optical fiber of a fiber optic line, an optical output connectable to a second optical fiber of the fiber optic line an optical interface unit configured to transmit and receive optical signals; and an optical switch having a first configuration and a second configuration. In the first configuration the optical switch is configured to pass optical signals received at the optical input to the optical interface unit and to pass optical signals received from the optical interface unit to the optical output. Whereas, in the second configuration the optical switch is configured to pass optical signals received at the optical input to the optical output.
US11296783B2 Managing satellite devices within a branch network
This disclosure is related to devices, systems, and techniques for using an aggregation device to manage satellite devices that are coupled to host devices. For example, a system includes a set of satellite devices providing switching functionality and an aggregation device configured to communicate with an orchestrator of a wide area network (WAN), where the aggregation device serves as a master switch and is coupled to the set of satellite devices via a set of cascade ports. The aggregation device is configured to detect, using a port extension service virtual network function (VNF) executing on the aggregation device, each satellite device of the set of satellite devices coupled to the aggregation device and send, to the orchestrator, data indicating the satellite devices as respective sub-systems within a logical switch comprising the aggregation device and the set of satellite devices.
US11296781B2 Satellite system using cloud computing virtualized gateways, radio transport protocol and on-ground beamforming
A satellite system uses cloud computing virtualized gateways, radio transport protocol and on-ground beamforming to improve wireless communication. A digitized ground based subsystem for use with the satellite system can be employed in transmitting an optical feeder uplink beam to a communications platform that includes a multiple element antenna array. The ground based subsystem is configured to receive the optical feeder uplink beam and, in dependence thereon, use the multiple element antenna feed array to produce and transmit a plurality of RF service downlink beams to a single or plurality of service terminals.
US11296780B2 Dynamic spatial allocation of satellite capacity based on mobile vessel load forecasting
Methods, systems, and devices are described for providing dynamic spatial allocation of satellite capacity based on aircraft load forecasting. In embodiments, a satellite communications system provides network access service over a service area via a plurality of satellite user beams, predicts spatial network resource demand for the service area over one or more service periods based at least in part on forecasted travel paths of a plurality of mobile multi-user terminals over the one or more service periods and respective predicted service demands for the plurality of mobile multi-user terminals, determines a satellite capacity resource configuration for the plurality of satellite user beams for the one or more service periods based on the predicted spatial network resource demand, and then adapts at least one characteristic of the plurality of satellite user beams for the one or more service periods based on the determined satellite capacity resource configuration.
US11296779B2 Signal terrestrial repeater having a master unit and a remote unit that is optically coupled to the master unit
In an embodiment, a signal repeater includes a master unit and a remote unit that are optically coupled to one another by, e.g., an optical fiber. The master unit includes master-unit circuitry configured to receive an input electrical signal from a satellite-signal receive antenna, and to convert the input electrical signal into an optical signal. And the remote unit includes remote-unit circuitry configured to convert the optical signal into an intermediate electrical signal, to amplify the intermediate electrical signal to generate an output electrical signal, and to couple the output electrical signal to a retransmission antenna. Because an optical channel, such as an optical fiber, typically attenuates an optical signal significantly less per unit of distance than a coaxial cable attenuates an electrical signal, such a signal repeater allows a satellite receive antenna to be located at a significant distance from a retransmit antenna.
US11296773B1 System and method for intra-cell beam switching based on configurable physical layer event detection
System and methods are provided for performing intra-cell beam switching based on customizable parameters for event detection. In embodiments, base station is configured with customized physical layer parameters, which the base station broadcasts. The base station uses reports of physical layer parameters of a beam, received from a user device, for example, to determine whether events have occurred that indicate beam switching should be performed. Based on the determinations, the base station may perform beam switching of the user device, in various embodiments.
US11296768B2 Apparatus and method for arranging beam in wireless communication system
An apparatus and method for arranging a beam in a wireless communication system are provided. An electronic device includes a memory storing codebook information, a communication module operatively connected with the memory, and a processor operatively connected with the communication module and the memory. The processor is set to provide a first beam and a first beam set including beams surrounding the first beam on the basis of the codebook information, where centers of regions covered by the beams included in the first beam set substantially form an equilateral hexagon, and transceiver data by using the first beam and the first beam set.
US11296764B2 Beamforming repeaters with digitally assisted interference mitigation
Methods, systems, and devices for wireless communications are described that provide a repeater for beamforming a received signal at a millimeter wave (mmW) radio frequency via one or more scan angles or beamforming directions and then retransmitting and beamforming the signal at the mmW radio frequency. Repeaters may include analog and digital components for downconverting on the received signal to reduce a frequency of the signal from the mmW frequency to an intermediate frequency (IF) or baseband frequency, and then filtering the downconverted signal to reduce interference. The filtering may include digital filtering or a combination of analog and digital filtering, in which a set of filter coefficients for the digital filtering is selected based on beamforming parameters used to receive the signal, retransmit the signal, or both. The repeater may then upconvert the filtered signal back to the mmW frequency for the retransmission of the signal.
US11296763B2 Determining information corresponding to beamforming
Apparatuses, methods, and systems are disclosed for determining information corresponding to beamforming. One method (1400) includes determining (1402) a grouping arrangement corresponding to a type of beamforming. The type of beamforming includes analog beamforming, digital beamforming, hybrid beamforming, or some combination thereof. The method (1400) includes determining (1404) a set of information corresponding to the grouping arrangement. The set of information includes the type of beamforming. The method (1400) includes transmitting (1406) the set of information to a base unit.
US11296760B2 Uplink transmission/reception method in wireless communication system and device therefor
Disclosed is a method for uplink transmission and reception in a wireless communication system and an apparatus therefor. Specifically, a method for performing uplink transmission by a user equipment (UE) in a wireless communication system may comprise the steps of: receiving downlink control information (DCI) including sounding reference signal (SRS) resource indication (SRI) and precoding indication from a base station; and transmitting an uplink to the base station by applying precoding indicated by the precoding indication on an antenna port of an SRS transmitted within an SRS resource selected by the SRI.
US11296757B2 Signal generation method and signal generation device
A transmission method simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.
US11296756B2 Receiving method and receiving apparatus
All data symbols used in data transmission of a modulated signal are precoded by switching between precoding matrices so that the precoding matrix used to precode each data symbol and the precoding matrices used to precode data symbols that are adjacent to the data symbol along the frequency axis and the time axis all differ. A modulated signal with such data symbols arranged therein is transmitted.
US11296751B2 Communications circuitry supporting high-Q antenna
Radio-frequency transmission and reception circuitry is adapted for use with a high-quality-factor antenna. On the transmission side, control circuitry is provided to maintain resonance at the transmission frequency. On the reception side, multiple receive paths are independently controllable for temporal alignment.
US11296749B2 Communication system, communication apparatus, method of controlling the same, and storage medium
A technique by which it is possible to prevent a user inputting mistake from occurring when writing, from a communication apparatus (communication terminal) to a wireless communication tag (NFC tag), connection information for connecting to a printing apparatus (image forming apparatus) is provided. The image forming apparatus converts connection information for connecting to the image forming apparatus by a WLAN scheme into a corresponding image pattern, and displays the image pattern on a display unit. A communication terminal photographs the image pattern displayed on the display unit by a camera. The communication terminal restores the corresponding connection information from the image pattern photographed by the camera, and generates NDEF data based on the restored connection information. The communication terminal writes the generated NDEF data to the NFC tag by NFC communication.
US11296747B2 Information processing device and method, transmitting device and method, and receiving device and method
An information processing device and method, a transmitting device and method, and a receiving device and method are disclosed for multiplexing transmission signals in the same channel. In one example, transmission signals are generated by performing chirp modulation on data to be transmitted, and the transmission signals are multiplexed by shifting transmission timings of a plurality of transmission signals in a time direction and transmitting the transmission signals. Further, a plurality of chirp-modulated transmission signals which are multiplexed by shifting the transmission timing in the time direction and transmitted from a transmission side are received, and the plurality of received transmission signals are dechirped at timings according to the transmission timings.
US11296745B2 Mobile station, RF front-end module for mobile station, and front-end integrated circuit
A mobile station includes: a baseband processor; and an RF front-end module connected to the baseband processor and including a plurality of antenna modules and a controller. The plurality of antenna modules each include an antenna element and a variable phase shifter connected to the antenna element. The baseband processor is configured to output a beam control signal indicating a direction of an antenna beam formed by the plurality of antenna elements. The controller is configured to receive the beam control signal from the baseband processor, determine a phase control amount for each variable phase shifter on the basis of the beam control signal, and control each variable phase shifter on the basis of the determined phase control amount.
US11296743B2 System, method, and apparatus for waveform transformation
A process for producing biotech adapters includes ionization of inks that are later used to print on any of a multitude of surfaces while under the influence of specialized electromagnetic radiation, thereby such printing creates the missing frequency that will complete the man-made frequency thus obtaining a bio compatible frequency known to be beneficial to the health of the user. For example, the process is used to print a biotech adapter having an adhesive backing. The biotech adapter is then attached (e.g. by the adhesive) to the user's electronic device (e.g., cellular phone), preferably at a location where such harmful radio waves are emitted in the direction of the user's head. The biotech adapter reacts to the harmful radio waves, completing the missing radio waves by emitting radio waves that are known to be beneficial to humans.
US11296742B2 Ultra-low-power millimeter-wave to baseband receiver module for scalable massive MIMO
Aspects of the subject disclosure may include, for example, receiving, by a first radio module at a first location, a wireless MIMO signal, to obtain a first received RF signal. The wireless MIMO signal includes information originating at a remote MIMO transmitter and conveyed via a wireless channel. An envelope of the first received RF signal is detected by the first radio module without requiring a local oscillator, to obtain a first baseband signal. The first baseband signal may be filtered and/or amplified, after which it is compared to a reference value to obtain a first digital signal that is provided to a digital processor. The digital processor also obtains a second digital signal from a second radio module receiving the wireless MIMO signal at a second location and determines an estimate of the information originating at the remote MIMO transmitter according to the first and second digital signals. Other embodiments are disclosed.
US11296741B2 Receiving device, receiving method, and receiving system
A receiving device includes: a frequency mixer that converts a frequency of a reception signal to a baseband; an envelope demodulator; an upper sideband demodulator; and a lower sideband demodulator. Each of the envelope demodulator, the upper sideband demodulator and the lower sideband demodulator demodulates an output from the frequency mixer. The receiving device further includes: a first adder that adds an output from the envelope demodulator and an inverted output obtained by inverting an output from the upper sideband demodulator; a second adder that adds the output from the envelope demodulator and an inverted output obtained by inverting an output from the lower sideband demodulator; and a third adder that adds the output from the envelope demodulator, an inverted output obtained by inverting an output from the first adder, and an inverted output obtained by inverting an output from the second adder, to output a demodulation signal.
US11296740B2 Automatic gain control for a receiver
An automatic gain controller for a receiver analog frontend is provided. The automatic gain controller sets a plurality of gains for a plurality of analog frontend stages, respectively. The automatic gain controller detects a first signal level at an output of the analog frontend, determines that the first signal level is saturated and sets a first gain of a first analog frontend stage of the plurality of analog frontend stages to a first coarse gain value based on the first signal level. In response to setting the first gain, the automatic gain controller detects a second signal level at the output of the analog frontend, determines whether the second signal level is saturated and on a condition that the second signal level is not saturated, sets the first gain of the first analog frontend stage to a first fine gain value based on the second signal level.
US11296735B1 Distributed digital pre-distortion training
Methods, systems, and devices for wireless communications are described. A base station may transmit, to each user equipment (UE) of a set of UEs, a different respective set of one or more training parameters for a digital pre-distortion procedure. Some or all of the UEs may determine one or more respective training values based on the one or more training parameters, where the training values from the UEs support the base station computing a set of non-linearity coefficients for the digital pre-distortion procedure. The base station thus may receive training parameters from some or all of the UEs and determine the set of non-linearity coefficients based thereon. The base station use the non-linearity coefficients to perform the digital pre-distortion procedure for one or more downlink transmissions, to one or more UEs of the group of UEs used for training, or to one or more other UEs.
US11296733B2 Communication apparatus and method
A communication apparatus and a communication method are provided. The communication apparatus includes an antenna configured to receive a wireless signal, an oscillator driven by a driving current and configured to generate an oscillating signal based on the wireless signal, a measurer configured to measure an oscillation degree of the oscillating signal, and an accumulator configured to accumulate a difference between a target value and a measurement value of the oscillation degree. A value of the wireless signal is determined based on a cumulative signal corresponding to the accumulated difference.
US11296732B2 Radio frequency signal transmission circuit with a high switching speed
A radio frequency signal transmission circuit includes a direct current blocking unit, a biasing impedance circuit, and a radio frequency element. The direct current blocking unit has a first terminal for receiving an input signal, and a second terminal coupled to a first bias voltage terminal. The biasing impedance circuit has a first terminal coupled to the first bias voltage terminal for providing a first bias voltage, and a second terminal coupled to a second bias voltage terminal for receiving a second bias voltage. The radio frequency element is coupled to the first bias voltage terminal, and receives and processes the input signal. When the biasing impedance circuit operates in a first mode, the biasing impedance circuit provides a first impedance. When the biasing impedance circuit operates in a second mode, the biasing impedance circuit provides a second impedance greater than the first impedance.
US11296731B2 Communication device
A transmitter comprises a main body case, a controller that is provided inside the main body case, a communication unit that is connected to the controller, and an elongated antenna unit that is connected to the communication unit. The antenna unit is disposed along an inner wall surface of the main body case.
US11296727B2 Method and apparatus for channel encoding and decoding in communication or broadcasting 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 channel encoding method in a communication or broadcasting system includes identifying an input bit size, determining a block size (Z), determining an LDPC sequence for LDPC encoding, and performing the LDPC encoding based on the LDPC sequence and the block size.
US11296726B2 Method and apparatus for low density parity check channel coding in wireless communication system
A low density parity check (LDPC) channel encoding method is used in a wireless communications system. A communication device encodes an input bit sequence by using an LDPC matrix, to obtain an encoded bit sequence for transmission. The LDPC matrix is obtained based on a lifting factor Z and a base matrix. The base matrix may be one of eight exemplary designs. The encoding method can be used in various communications systems including fifth generation (5G) telecommunication systems, and can support various encoding requirements for information bit sequences with different code lengths.
US11296725B2 Method employed in LDPC decoder and the decoder
A method employed in a low-density parity-check code decoder includes: receiving a specific data portion of a first codeword; calculating a flipping function value of the specific data portion of the first codeword according to the specific data portion by using checking equations of a parity check matrix to calculate checking values of the specific data portion; and determining whether to flip the specific data portion of the first codeword by comparing the flipping function value with a flipping threshold which has been calculated based on a plurality of flipping function values of a plurality of previous data portions earlier than the specific data portion.
US11296721B1 System, apparatus, and method for controlling an electronic device
An apparatus is disclosed. The apparatus includes a first controller including a plurality of contactors, each of the plurality of contactors configured to be selectively connected to a connector of a user interface, a plurality of electrical relays that are connected to the plurality of contactors, a second controller that is connected to the plurality of electrical relays, the plurality of electrical relays connected between the first controller and the second controller, and a user device or a network component that transfers control data to the second controller. The second controller controls the plurality of electrical relays to provide input to the first controller via the plurality of contactors based on the control data.
US11296716B1 Analog multiplexer with current injection protection
A multi-branch analog multiplexer (anamux) includes protection circuitry to help dissipate both positive and negative injected current without increasing the size of hardening transistors in each branch, thereby avoiding increased leakage current and enabling an analog to digital converter to operate with the required accuracy. The protection circuitry is tied to the body of the hardening transistor to lower the threshold voltage of the hardening device, thereby enabling the hardening device to handle more of the injected current.
US11296713B1 Circuitry for event-driven data acquisition
A system and method for detection of an event and recording data associated with the event. An application-specific integrated circuit (ASIC) for event-driven data acquisition from detector is disclosed. The event-driven circuitry stays silent when there is no event detected on the detector. The event-driven data acquisition system consumes small power and may consume no memory during waiting for an event. Once the event arrives (e.g. photons, particle or ion hits the detector panel), the event is detected and recorded. The ASIC includes multi-channel ADCs (or ADC arrays) with flexible resolution which enables an option to operate at a lower resolution during the silent period to save power.
US11296712B2 Method and apparatus for controlling clock cycle time
A circuit and corresponding method control cycle time of an output clock used to clock at least one other circuit. The circuit comprises an agile ring oscillator (ARO) and ARO controller. The ARO includes at least one instance of a first ring oscillator (RO) and second RO that generate high and low phases, respectively, of cycles of the output clock. The ARO controller controls durations of the high and low phases, independently, via first and second control words output to the ARO, respectively. In a present cycle of the output clock, the ARO controller effects a change to the high or low phase, or a combination thereof, in a next cycle of the output clock by updating the first or second control word, or a combination thereof, based on an indication of expected usage of the at least one other circuit in the next cycle. The change improves a performance-to-power ratio of the at least one other circuit.
US11296707B1 Data processing engine array architecture with memory tiles
An integrated circuit can include a data processing engine (DPE) array having a plurality of tiles. The plurality of tiles can include a plurality of DPE tiles, wherein each DPE tile includes a stream switch, a core configured to perform operations, and a memory module. The plurality of tiles can include a plurality of memory tiles, wherein each memory tile includes a stream switch, a direct memory access (DMA) engine, and a random-access memory. The DMA engine of each memory tile may be configured to access the random-access memory within the same memory tile and the random-access memory of at least one other memory tile. Selected ones of the plurality of DPE tiles may be configured to access selected ones of the plurality of memory tiles via the stream switches.
US11296706B2 Embedded network on chip accessible to programmable logic fabric of programmable logic device in multi-dimensional die systems
An integrated circuit device may include programmable logic fabric disposed on a first integrated circuit die, such that the programmable logic fabric may include a first region of programmable logic fabric and a second region of programmable logic fabric. The first region of programmable logic fabric is configured to be programmed with a circuit design that operates on a first set of data. The integrated circuit may also include network on chip (NOC) circuitry disposed on a second integrated circuit die, such that the NOC circuitry is configured to communicate data between the first integrated circuit die and the second integrated circuit die.
US11296704B2 Power control device, driving module and switching power supply device
The present disclosure relates to a power control device, a driving module and a switching power supply device. The power control device includes: a control terminal, configured to input and output a control signal to and from the driving module; an enable output terminal, configured to output an enable signal to the driving module; a control circuit; and an input/output circuit, configured to have the control signal be a first logic level when the output transistor is turned on and the synchronous rectifier transistor is turned off, and to have the control signal be a second logic level when the output transistor is turned off and the synchronous rectifier transistor is turned on, and to be able to become an input standby state according to an instruction from the control circuit.
US11296697B1 On-die termination circuit, operating method thereof, and semiconductor system
An on-die termination circuit may include a resistance combination circuit, a first calibration circuit, a second calibration circuit, and a termination circuit. The resistance combination circuit may have an additional resistance value for setting a combined resistance value by combining the additional resistance value with a reference resistance value, and may be configured to set the additional resistance value based on a second calibration code. The first calibration circuit may be configured to generate a first calibration code corresponding to the reference resistance value or the combined resistance value according to a calibration sequence. The second calibration circuit may be configured to generate the second calibration code corresponding to the first calibration code. The termination circuit may be coupled to an input/output pad, and may be configured to set a termination resistance value corresponding to the first and second calibration codes.
US11296696B2 Detection apparatus and detection method thereof
A detection apparatus and a detecting method thereof are provided. In the method, an input impedance structure, a sensing impedance structure and an output impedance structure are provided. The sensing impedance structure is connected to the input impedance structure. At least two impedances are formed in the sensing impedance structure. The output impedance structure is connected to the sensing impedance structure. At least three discontinuous impedance surfaces are formed in the input impedance structure, the sensing impedance structure and the output impedance structure. A detection signal is inputted into the input impedance structure, and the detection signal passes through the three impedance structures. Then, a variation of at least one of the discontinuous impedance surfaces can be determined according to the outputted detection signal from the output impedance structure.
US11296695B2 Gesture control for in-wall device
A method for controlling operation of a power switch includes obtaining, by one or more processors of a power switch, data indicative of one or more non-contact gestures. The method includes determining, by the one or more processors, a control action based at least in part on the data indicative of the one or more non-contact gestures. The method includes implementing, by the one or more processors, the control action.
US11296694B2 Output driving circuit
An output driving circuit may include a pull-up-pull-down driver connected to a pad, a level shifter operating based on a first power voltage and a second power voltage that is greater than the first power voltage, level shifting a data signal to generate a first control signal, and applying the first control signal to the pull-up-pull-down driver, and a driver control logic operating based on the first power voltage, generating a second control signal based on the data signal, and applying the second control signal to the pull-up-pull-down driver.
US11296691B2 Power-on reset circuit with reset transition delay
A power-on-reset (POR) circuit for CMOS logic is operable to transition between a POR_active state and a POR_inactive state and can include: (a) VDD/VT threshold circuitry to provide a Vtp_threshold voltage based on input Vdd and PMOS Vtp, and a Vtn_threshold voltage based on input Vdd and NMOS Vtn; (b) POR transition detect circuitry to provide a POR_transition signal (active/inactive) based on a function (Vtp, Vtn), which is a function of Vtp_threshold and Vtn_threshold; and (c) POR transition control circuitry to provide the POR_state signal (active/inactive) based on the POR_transition signal. For a POR out-of-reset transition, the POR transition detect circuitry to switch the POR_transition signal inactive based on the function (Vtp, Vtn) corresponding to the POR_inactive state, and the POR transition control circuitry, responsive to the POR_transition signal switching to inactive, to initiate a POR out-of-reset delay period, and to signal the POR_inactive state after the POR out-of-reset delay period.
US11296688B2 Switching time reduction of an RF switch
A switch for a radio frequency signal switch assembly including a first node coupled to one of an input and an output of the switch assembly and a second node coupled to a reference voltage, a control node, a common resistor coupled to the control node, a plurality of transistors coupled between the first and second nodes, each transistor of the plurality of transistors having a gate, a drain, and a source, and a plurality of gate resistors coupled between the common resistor and the gates of the plurality of transistors, the plurality of gate resistors having a scaled arrangement of values selected based on a voltage differential across each of the plurality of gate resistors to improve switching speed.
US11296687B2 Feed-forward current compensation for CMOS signal path
An integrated circuit has a CMOS signal path coupled for receiving a data signal. A compensation circuit is coupled to a power supply rail of the CMOS signal path for injecting a compensation current into the power supply rail. The compensation circuit can be a charge pump operating in response to the data signal to inject the compensation current into the power supply rail each transition of the data signal. The compensation circuit can be a replica CMOS signal path to inject the compensation current into the power supply rail each transition of the data signal. The compensation circuit can be a voltage regulator and current mirror including an input coupled to the voltage regulator. The replica CMOS signal path receives an operating potential from the voltage regulator. An output of the current mirror injects the compensation current into the power supply rail each transition of the data signal.
US11296683B2 Low-swing Schmitt triggers
Systems and methods are disclosed for low-swing Schmitt triggers. For example, an apparatus includes a Schmitt trigger including an input node, an output node, and a feedback node that is configured to bear a feedback voltage level that is a sum of an input voltage level at the input node and an attenuated voltage level of the output node; a current source connected to the output node; a voltage sensor connected to the feedback node and configured to cause the current source to pull up an output voltage level at the output node responsive to the feedback voltage level crossing a threshold.
US11296682B2 Input circuit of a flip-flop and associated manufacturing method
An input circuit of a flip-flop includes: a first gate strip, a second gate strip and a third gate strip. The first gate strip is a co-gate terminal of a first PMOS and a first NMOS; the second gate strip is disposed immediately adjacent to the first gate strip, and a co-gate terminal of a second PMOS and a second NMOS. The first PMOS and the second PMOS share a doping region as a co-source terminal. The first NMOS and the second NMOS share a doping region as a co-source terminal. The third gate strip is disposed immediately adjacent to the second gate strip. The third gate strip is a co-gate terminal of a third PMOS and a third NMOS. The second PMOS and the third PMOS share a doping region as a co-drain terminal. The second NMOS and the third NMOS share a doping region as a co-drain terminal.
US11296681B2 High performance fast Mux-D scan flip-flop
A fast Mux-D scan flip-flop is provided, which bypasses a scan multiplexer to a master keeper side path, removing delay overhead of a traditional Mux-D scan topology. The design is compatible with simple scan methodology of Mux-D scan, while preserving smaller area and small number of inputs/outputs. Since scan Mux is not in the forward critical path, circuit topology has similar high performance as level-sensitive scan flip-flop and can be easily converted into bare pass-gate version. The new fast Mux-D scan flip-flop combines the advantages of the conventional LSSD and Mux-D scan flip-flop, without the disadvantages of each.
US11296680B2 Methods and apparatus to implement temperature insensitive threshold detection for voltage supervisors
Methods, apparatus, and systems are disclosed for voltage supervisors. An example apparatus includes a first switch having a first source, a first drain, and a first gate, a first resistor having a first terminal and a second terminal, the first terminal coupled to the first source and second terminal coupled to the first drain, a second resistor having a third terminal and a fourth terminal, the third terminal coupled to the second terminal, a third resistor having a fifth terminal and a sixth terminal, the fifth terminal coupled to the fourth terminal, a fourth resistor having a seventh terminal and an eighth terminal, the seventh terminal coupled to the sixth terminal, a second switch having a second source, a second drain, and a second gate, the second source coupled to the seventh terminal, and a comparator having an output, the output coupled to the first gate and the second gate.
US11296675B2 Resonator and resonance device
The resonator includes a vibrating portion that has three or more vibrating arms each having a fixed end and an open end and at least two vibrating arms undergoing out-of-plane bending in different phases. Moreover, the resonator includes a first base portion having a first front end connected to the fixed ends and a first rear end facing the first front end, a second base portion having a second front end facing the first rear end and a second rear end facing the second front end, and a connecting portion connected between a vicinity of a center of the first rear end and a vicinity of a center of the second front end, a holding portion that is provided in at least a part of a periphery of the vibrating portion, and a holding arm that is provided between the vibrating portion and the holding portion.
US11296674B2 Quartz crystal device
A quartz crystal device includes a crystal element, a container, a conductive adhesive having flexibility, first pillow portions, and a second pillow portion. The first pillow portions hold the crystal element floated from an inner bottom surface of the container at the proximities of the two positions. The second pillow portion opposes the crystal element at a proximity of a second side. The second side opposes the first side of the crystal element. A height of the first pillow portion is represented as h and a length of the first pillow portion in a direction perpendicular to the first side is represented as X1, where the h is 20 μm to 50 μm and the X1 is 150 μm or less. The conductive adhesive covers at least a top surface and a side surface of the first pillow portion. The side surface is in a center side of the crystal element.
US11296668B2 Methods and apparatus for adjusting a level of an audio signal
The invention relates to methods and apparatus for adjusting a level of an audio signal. An audio signal is divided into a plurality of frequency bands. Modification parameters are obtained for at least one of the plurality of frequency band. Gain factors are derived for at least one of the plurality of frequency bands, the gain factors determined based on the amplitude scale factors. The gain factors are smoothed. A level of noise from noise compensation factors is determined. The gain factors are applied to at least one of the frequency bands to generate gain adjusted frequency bands. The level of noise is adjusted based on the gain adjusted frequency bands. At least one of the frequency bands is filtered with a filter generated with the filter coefficients. The plurality of frequency bands is synthesized to generate an output audio signal.
US11296667B1 Two-dimensional continuous-time linear equalizer for high-speed applications
Embodiments of a linear equalizer are disclosed. In an embodiment, a linear equalizer includes a plurality of input transistors, a plurality of gain control transistors and first and second impedance elements. The plurality of input transistors is connected to input terminals of the linear equalizer to receive input signals. The plurality of gain control transistors is connected between a supply voltage and the plurality of input transistors. The plurality of gain control transistors is also connected to gain control terminals to receive gain control signals. At least some of the gain control transistors are connected to output terminals of the linear equalizer to transmit output signals. The first and second impedance elements are connected between at least some of the input transistors and at least one fixed voltage. A peaking gain of the linear equalizer is defined by gain control signals applied to the gain control terminals.
US11296661B2 Amplifier circuit
An amplifier circuit that amplifies a high frequency signal includes a transistor that is an example of an amplifier integrated into an IC device and an inductor connected to an input terminal of the transistor, and the inductor includes a first inductor integrated into the IC device and a second inductor connected in series to the first inductor and included in a first component different from the IC device.
US11296656B2 Power amplifier module
A power amplifier module includes a combining circuit including a combiner. The combining circuit further includes a first inductor connected in series between an output terminal of a first amplifier and the combiner, a second inductor connected in series between an output terminal of a second amplifier and the combiner, and a second capacitor having an end connected to the combiner and another end grounded. A phase of a third signal from the output terminal of the first amplifier to the second amplifier through the combiner is delayed by about 45 degrees in the first inductor and the second capacitor, and is delayed by about 45 degrees in the second inductor and the second capacitor. A phase of the third signal from the output terminal of the first amplifier to the second amplifier through the first capacitor is advanced by about 90 degrees.
US11296652B1 Oscillating circuit with differential varactor circuits
Aspects of the present disclosure provide an oscillating circuit. An example oscillating circuitry generally includes a differential control pair comprising a first control node and a second control node. The oscillating circuit further includes a first voltage-controlled oscillator (VCO) comprising a first differential varactor circuit having a first positive control input coupled to the first control node and a first negative control input coupled to the second control node. The oscillating circuit also includes a second differential varactor circuit having a second positive control input coupled to the second control node and a second negative control input coupled to the first control node.
US11296650B2 System and method for protection during inverter shutdown in distributed power installations
A protection method in a distributed power system including of DC power sources and multiple power modules which include inputs coupled to the DC power sources. The power modules include outputs coupled in series with one or more other power modules to form a serial string. An inverter is coupled to the serial string. The inverter converts power input from the string and produces output power. When the inverter stops production of the output power, each of the power modules is shut down and thereby the power input to the inverter is ceased.
US11296649B2 Foldable solar panel assembly
Several pre-assemblies holding panels of photovoltaic cells are constructed and pre-wired in a factory. The pre-assemblies are shipped to a solar farm, where they are lifted above posts secured to the ground. By being foldable, the solar panel assemblies can provide a compact shipping arrangement. Operators can connect the solar panel assemblies to a support and then unfolded the solar panel assemblies and lock them in the unfolded position.
US11296646B2 Alignment device
One or more embodiments of a system including a laser emitting device and a target is disclosed. The laser emitting device includes a connector configured to connect to a device having a flat top extending in a first plane and a flat side extending in a second plane, and a laser emitter connected to the connector such that when the connector is connected to the device, the laser emitter is configured to emit a laser in a first direction parallel to the first plane and the second plane. The target includes a body, a tray including at least one slit in a front side of the tray configured to allow passage of the laser into the tray, a neck connecting the body to the tray, and legs connected to the body and configured to support the body, neck, and tray.
US11296645B2 Solar-infrared hybrid collector
A system and method for improving solar collector design to provide thermal and electric output during times of low or no solar intensity. The improved solar collector design includes an infrared heater to supplement energy provided by the sun during time of low or no solar intensity.
US11296640B2 Motor drive with dynamic interval communication
Control circuitry of a motor drive provides commands for operation of power circuitry in cooperation with peripheral circuits and devices, such as converters, inverters, feedback precharge circuits, feedback devices, interfaces, and so forth. The communications with the devices is handled by fiber optic communications circuitry that implements a flexible scheme of dynamic interval communication depending upon the capabilities and design of the peripheral circuit or device. The communication may be in accordance with a plurality of predetermined schemes, each having different data transfer rates, data allocations, and so forth. The schemes may each set communications protocols (e.g., timing) over a high speed interface between the fiber optic communications circuitry on one side and over fiber optic cables to the peripherals on another side.
US11296630B2 Controller for rotary electric machine apparatus
To provide a controller for rotary electric machine apparatus which can calculate the voltage command value of the converter which reduces power loss with good accuracy, in the case where the normal modulation control and the overmodulation control are switched and performed. A controller for rotary electric machine apparatus sets a system voltage that power loss becomes the minimum as the converter voltage command value, based on a power loss characteristics of the normal modulation control which is a power loss characteristics of at least the inverter with respect to the system voltage in performing the normal modulation control, and a power loss characteristics of the overmodulation control which is a power loss characteristics of at least the inverter with respect to the system voltage in performing the overmodulation control.
US11296627B2 Electronic watch and method for controlling electronic watch
An electronic watch includes a motor including a coil, a driver controlled to an ON state for supplying a driving current to the coil and an OFF state for not supplying the driving current, a driver controller configured to control the driver to the ON state or the OFF state depending on a value of a current flowing through the coil, and a polarity switcher configured to switch a polarity of the driving current when a prescribed condition is satisfied after detecting that an ON time, which is a duration of the ON state of the driver controller, reaches a maximum.
US11296624B2 Electronic control device
An electronic control device of the invention having a multiple of power supply system lines, with an object of providing a device such that no circulation path is formed in a ground line, includes a power supply in which a multiple of power supply system lines are provided, a multiple of drive units to which the power is independently supplied from the power supply system lines, and at least one controller that outputs control signals to the multiple of drive units, and is configured so that negative side lines of the power supply system lines are connected by one ground line in the controller.
US11296623B2 Emergency braking for a drive system
A system includes a converter operatively connected to an alternating current (AC) power source and a direct current (DC) bus, an inverter operatively connected to a motor and the DC bus, and a controller. The converter includes a first plurality of switching devices in selective communication with each phase of the AC power source and the DC bus. The inverter includes a second plurality of switching devices in selective communication with each phase of a plurality of phases of the motor and the DC bus. The controller is operable to command dropping of a brake through a passive delay circuit responsive to detection of an emergency stop condition for a load driven by the motor and reduce a voltage on the DC bus by dropping at least one phase of the AC power source and/or using a dynamic braking resistor prior to the brake physically dropping.
US11296618B2 Vibration wave motor
Included are a vibrator including a protruding portion that performs high frequency vibration; a friction member, the vibrator being pressed to cause the protruding portion to abut to the friction member; a fixing member to which either the vibrator or the friction member; a movable member that moves integratedly with either the vibrator or the friction member; a plurality of rotating members enabling relative movement between the friction member and the movable member; and a falling off restriction portion that prevents the rotating members provided in either the fixing member or the movable member from falling off, wherein the falling off restriction portion abuts to an opposed portion opposed to the falling off restriction portion to restrict a movable range of the movable member in a pressing direction and to prevent the rotating members from falling off.
US11296615B2 Cascaded H-bridge converters for battery energy storage systems
Systems and methods are configured to control DC side current harmonics of a cascaded H-bridge (CHB) converter that includes a plurality of cells. In various embodiments, an odd-order current harmonic is injected at the AC side of the CHB converter based on an optimization of a constrained optimization problem to achieve at least one of balancing the DC side current harmonics of the plurality of cells, reducing the DC side current harmonics of the plurality of cells, and meeting the requirements of the IEEE 519 standard. The optimization problem may include a cost function based on switching transitions of the CHB converter and at least one constraint based on, for example, an AC side current harmonic, a maximum demand load current of the CHB converter base on the IEEE 519 standard, and a zero-order current harmonic and an hth-order current harmonic for each cell of the CHB converter.
US11296610B2 Power conversion device, power conversion device control device, and power conversion device control method
An object of the present invention is to sufficiently reduce a switching loss. A control device causes a positive electrode of a first voltage to appear at a second connection point by switching second and third switching elements to an ON state. Next, the control device causes the positive electrode of the first voltage to appear at a first connection point by switching the second and third switching elements to an OFF state. After that, fifth and eighth switching elements are switched to the OFF state, and sixth and seventh switching elements are switched to the ON state.
US11296605B2 Synchronous rectifier controllers with slew-rate detector
A synchronous rectifier controller controls a rectification power switch connected in series with a secondary winding between two power lines. The synchronous rectifier has a gate driver and a slew-rate detector. The gate driver drives the rectification power switch. The slew-rate detector detects a channel voltage of the rectification power switch, checks if a slew rate of the channel voltage exceeds a slope threshold. If the slew rate exceeds the slope threshold, the slew-rate detector turns the rectification power switch ON through the gate driver. If the slew rate is less than the slope threshold, the slew-rate detector reduces the slope threshold.
US11296600B2 Buck converter
The present disclosure relates to a buck converter which includes a voltage converter configured to convert an input voltage into an output voltage by a driving signal, a compensator configured to generate an error compensation signal by receiving a feedback signal defined from the output voltage, an active ramp controller configured to generate a ramp signal by adjusting a ramp bias voltage when load transient occurs, and an output voltage controller configured to adjust the output voltage using the ramp signal and the error compensation signal.
US11296589B2 Electrical machine
An electrical machine comprises a longitudinally movable device and an intermediate rotor. A first arrangement of magnets is disposed on a first surface of the longitudinally movable device, and a second arrangement of magnets is disposed on a first surface of the intermediate rotor. The longitudinally movable device is movable in a first direction. The intermediate rotor's first surface is held adjacent the first surface of the longitudinally movable device such that it cannot move in the first direction. The intermediate rotor is, however, rotatable about an axis and the arrangement of the first and second arrangements of magnets translates movement of the longitudinally movable device into rotation of the intermediate rotor about the axis.
US11296587B2 High force and low noise linear fine-tooth motor
High force and low noise linear fine-tooth motors are described herein. Such motors can include armatures having fine teeth separated by narrow slots such that a ratio of a pitch between teeth and a pitch between permanent magnet poles is less than that of a conventional iron-core linear motor. In one embodiment, such a linear motor can include a first component having an armature including a plurality of iron cores surrounded by coil windings, and a second component having a plurality of permanent magnets with alternating polarity. The plurality of iron cores can be spaced apart from one another by an iron core pitch distance and the plurality of permanent magnets can be spaced apart from one another by a permanent magnet pole pitch distance, and a ratio of the iron core pitch to the magnetic pole pitch can be less than 1.33.
US11296586B2 Galvanometer drive with multi-layer permanent magnets
A galvanometer drive particularly useful for a deflection unit includes a rotor that is rotatable about a rotational axis, the rotor formed in at least one section by a permanent magnet. A stator surrounds the permanent magnet, the stator including a coil. The permanent magnet includes at least two magnetic layers and at least one electrically insulating intermediate layer arranged between the two magnetic layers. A method for manufacturing the rotor for the galvanometer is also provided.
US11296585B2 Single stack multiphase transverse flux machines
A single stack transverse flux machine includes a rotor assembly having an internal rotor disc with a rotor shaft extending from and rotating with the internal rotor disc, and a rotor ring having a plurality of stator poles interleaved with a plurality of interpoles. The plurality of stator poles and the plurality of interpoles are radially disposed around the internal rotor disc. Each stator pole has a plurality of core components spaced apart from one another. Primary magnets are interposed between the plurality of core components. The machine also includes a stator assembly with a plurality of shaped cores, each shaped core having a base with a plurality of legs with a corresponding gap therebetween. Each leg has a winding, and the shaped cores are positioned so that each leg is juxtaposed with a corresponding one of the plurality of core components and has an air gap therebetween.
US11296583B2 Core manufacturing method and core
A core manufacturing that includes stacking a plurality of electromagnetic steel plates in an axial direction; performing first welding on an inner surface of a through hole formed in a stack of the electromagnetic steel plates and continuous in the axial direction, the first welding being performed toward a first side in the axial direction which is one side in the axial direction; and performing second welding on the inner surface of the through hole, the second welding being performed toward a second side in the axial direction which is the other side in the axial direction.
US11296580B2 Arrangement for cooling of an electrical machine
The present invention relates to an arrangement for cooling of an electrical machine. The electrical machine comprises a rotor rotatably arranged around a rotation axis, a stator including a stator winding arranged radially outside of the rotor, a housing enclosing the rotor and the stator, at least one drain hole configured to drain a cooling fluid from the housing, at least one spraying device configured to spray cooling fluid on the stator winding and a pump configured to pump cooling fluid to the spraying device. The arrangement comprises a control unit, which is configured, when the electrical machine is in operation, to receive information of the temperature in at least one position of the stator winding and to control the pump such that it pumps a flow rate of the cooling fluid to the spraying device, which is related to the estimated temperature of the stator winding.
US11296579B2 Vernier external rotor machine and motor system
A Vernier external rotor machine for direct drive of a load is provided. The Vernier external rotor machine includes an external rotor configured to mechanically directly drive to a load.
US11296575B1 Electric machine with single layer and multilayer commutator brushes
An electric machine having a field coil and a rotatable armature coil. A rotatable commutator is conductively coupled with the armature coil and has a plurality of contacts. A plurality of brushes are conductively engageable with the plurality of contacts wherein rotation of commutator about the rotational axis causes the plurality of contacts to sequentially engage the plurality of brushes as the plurality of contacts rotate about the rotational axis. The plurality of brushes includes at least one positive brush and at least one negative brush, the at least one positive brush being a multi-layer brush and the negative brush being a single layer block brush. The multi-layer brush may include a high-copper layer and a low-copper layer with the low-copper layer forming the trailing edge of the brush. The single layer brush may have a copper content greater than the high-copper layer of the multi-layer brush.
US11296573B2 Stator winding for rotating electric machine, and manufacturing method therefor
A stator winding for a rotating electric machine includes: a plurality of lead wires each including a conductor and an insulating film provided on side surfaces of the conductor; and a joining portion configured to join terminal portions of the plurality of lead wires to each other. The plurality of lead wires each includes: a conductor exposure portion provided at a portion of the terminal portion at which the terminal portions of the plurality of lead wires face each other, has the conductor exposed thereat, and has the joining portion connected thereto; and an insulating film remainder portion, provided at a portion of the terminal portion of the lead wire excluding the conductor exposure portion, and has the conductor covered with the insulating film, and a portion of the insulating film in the insulating film remainder portion is provided in a periphery of the joining portion.
US11296571B2 Stator for a planar motor
A stator assembly for driving a rotor of a planar electrical motor includes longitudinal stator layers with first coil conductors and inclined stator layers with second coil conductors. The first coil conductors extend in an elongated manner in a first direction, and the second coil conductors extend in an elongated manner in a second direction, different from the first direction. The longitudinal and inclined stator layers are arranged on top of one another in a third direction, oriented perpendicularly to the first and second direction. An uppermost and lowermost stator layer of the stator assembly are each formed as a longitudinal stator layer with first coil conductors. The longitudinal stator layers are arranged in the third direction at most on one side next to an inclined stator layer, and the inclined stator layers are arranged in the third direction at most on one side next to a longitudinal stator layer.
US11296570B2 Electric machine with stator having multi-tiered end turns
An electric machine having a stator with windings all having the same length. The stator includes a plurality of slots. A plurality of windings are mounted in the slots of the stator core and define a plurality of poles circumferentially distributed about the stator core. Each winding defines at least a first wrap and a second wrap wherein each of the first and second wraps circumscribes the stator core. Each of the first and second wraps includes a wire segment disposed in a slot in each pole. The first wrap of each winding is primarily disposed in one of the layers and the second wrap of each winding is primarily disposed in a different one of the layers. The first wrap of each winding defines a first linear length and the second wrap of each winding defines a second linear length that differs from the first linear length.
US11296569B2 Multi-filar coil winding for electric machine
A disclosed electric motor includes a rotor and a stator. One or more first cables that are connected to a first inverter circuit of are wrapped adjacent to at least some stator teeth of a stator core to form at least a first portion of one or more coil windings. One or more second cables that are connected to a second inverter circuit of the plurality of inverter also may be wrapped adjacent to at least some of the stator teeth to form at least a second portion of the one or more coil windings.
US11296561B2 Motor for ceiling fan
A ceiling fan has a motor and multiple fan blades. The motor has a stator assembly and a rotor assembly. The stator frame has a frame, a stator core, and multiple coils. The frame has multiple branch containers and multiple protrusions on the branch containers. The stator core is securely mounted in the frame. The coils are wound on the branch containers and protrusions. Therefore, the coils may be an ellipse and thus the magnetic flux therein is larger, which converts electric energy torques to drive the rotor assembly in higher efficiency. Besides, the rotor has multiple magnetic components and each magnetic component has a magnetic pole. An amount of the magnetic poles is larger than that of the branch containers. The motor can provide a higher torque even at a lower rotating speed.
US11296559B2 Apparatus and method for performing foreign object detection in wireless power transfer system
Provided are an apparatus and method for performing foreign object detection in a wireless power transfer system. The present specification discloses a method comprising receiving a digital ping from the wireless power transmitter; transmitting an identification and configuration packets to the wireless power transmitter; transmitting a foreign object detection (FOD) state packet which indicates a reference Q factor of the wireless power receiver to the wireless power transmitter; and receiving wireless power through magnetic coupling from the wireless power transmitter based on the foreign object detection result of the wireless power transmitter using the reference Q factor. Irrespective of individual characteristics of a wireless power receiver, accuracy and reliability of detecting a foreign object may be improved.
US11296552B2 Transmitter device, wireless power transfer system, and methods of forming the same
Various embodiments may provide a transmitter device. The transmitter device may include an oscillator configured to operate at a variable oscillation frequency to generate an oscillator signal. The transmitter device may also include a transmitter antenna configured to transmit power to a receiver device via magnetic coupling based on the oscillator signal. The transmitter device may further include a feedback arrangement configured to generate a feedback to the oscillator based on a resonant frequency of the magnetic coupling between the transmitter antenna and a receiver antenna of the receiver device such that the variable oscillation frequency of the oscillator is adjusted towards the resonant frequency.
US11296551B2 Universal resonant induction coupling for luminaire in a high-moisture environment
An induction luminaire system for use in high-moisture environments includes a transmitter coupling structure housing an induction transmitter having a first planar coil. The transmitter coupling structure is received with a wall fitting or a lighting niche. An induction receiver has a second planar coil to receive an induction signal from the first planar coil, wherein the induction receiver is in electrical communication with the light module, and wherein the induction receiver provides power from the received induction signal to a light module. A receiver coupling structure houses the induction receiver. The first planar coil of the induction transmitter is positioned substantially parallel and co-axial with the second planar coil of the induction receiver, and both the first and second planar coils are positioned at least partially within the interior of the underwater wall fitting or the interior of the underwater lighting niche.
US11296549B2 Wireless power transmission device and power transfer system
A power supply ECU is configured to carry out extreme value search control for searching for a frequency at which a detected value of power loss is minimized, by oscillating a frequency of output power from an inverter. Then, the power supply ECU determines whether or not extreme value search in extreme value search control is poorly proceeding, and when extreme value search is poorly proceeding, the power supply ECU increases an amplitude of frequency oscillation of output power from the inverter.
US11296542B2 Method of identifying when to initiate control sequences
A method and system are provided for transferring a load between a primary power source and a secondary power source. In accordance with the disclosure, a controller senses, via a sensor, an electrical signal providing power from the primary power source to the load. The controller also detects a non-conforming power event by determining that a parameter of the electrical signal is either more or less than a first threshold value. Responsive to the detection of the non-conforming power event, the controller determines a quantity of non-conforming power events that occur during a first time interval. The controller further can compares the determined quantity of non-conforming power events to a second threshold value. Responsive to the determined quantity of non-conforming power events being either greater or lesser than the second threshold value, the controller initiates a control signal, such as a control signal to initiate a load transfer.
US11296537B2 Electrical energy supply unit and control therefor
The invention relates to a control for an electrical energy supply unit, comprising a first filling level input, to which a first filling level of a first energy store of the electrical energy supply unit can be transmitted. In addition, the control comprises a further filling level input, to which a further filling level of an optional further energy store of a further electrical energy supply unit can be transmitted. Furthermore, the control comprises a nominal alternating voltage determiner which is designed to determine a nominal alternating voltage while taking into account the first filling level and/or the further filling level. In addition, the control comprises a nominal alternating voltage output, from which the nominal alternating voltage can be transmitted to an alternating voltage generator of the electrical energy supply unit. An electrical energy supply unit comprises a control according to the invention, a first energy store and an alternating voltage generator having a first and a second terminal. The first terminal of the alternating voltage generator is connected to the first energy store in an electrically conductive manner. The alternating voltage generator is designed to generate at the second terminal an alternating voltage that corresponds to a nominal alternating voltage. An electrical energy supply system comprises an electrical energy supply unit according to the invention and at least one additional electrical energy supply unit according to the invention, which are connected to one another in an electrically conductive manner.
US11296535B2 Control device for electric motor
The control device for an electric motor according to this application provides a battery voltage detecting part for detecting a battery voltage at the time of driving a motor driven by a battery, and a minimum voltage holding part for keeping the battery voltage above the predetermined voltage by reducing the consumption current of the electric motor when the battery voltage detected by the battery voltage detecting part falls below a predetermined voltage during driving of the electric motor, so that it is possible to suppress a reduction in battery voltage during driving at low cost, and it is possible to keep the battery voltage above the predetermined voltage.
US11296525B2 Control device, energy conversion system, energy conversion method and storage medium
The present disclosure provides a control device, an energy conversion system, an energy conversion method and a storage medium. The control device includes: a detection unit configured to detect a first voltage between a positive electrode of the energy storage device and a first end of an energy conversion device, a second voltage between a negative electrode of the energy storage device and a second end of the energy conversion device, and a third voltage between the positive electrode and the negative electrode of the energy storage device; a processing unit configured to calculate a resistance value corresponding to the energy conversion device according to the first voltage, the second voltage, and the third voltage; when the value of resistance is greater than a resistance threshold value, controlling the energy storage device to supply power to the electrical equipment through the energy conversion device.
US11296524B2 Charging station, charging system and charging method for a drone
A charging station, a charging system and a charging method for a drone are provided. The charging station adapted to park a drone for charging includes a parking ramp, a pair of charging plates, a pair of protecting covers, and at least one actuating device. The parking ramp has a parking surface and a bottom surface. The drone is parked on the parking surface having at least two openings. The charging plates are fixed to the bottom surface. The protecting covers are disposed between the bottom surface of the parking ramp and the charging plates. The protecting covers cover the charging plates at the openings. The actuating device is fixed to the bottom surface and connected to the protecting covers. When the drone stands still on the parking surface, the actuating device drives the protective covers to move relative to the charging plates to expose the charging plates.
US11296523B2 Housing for retaining and charging portable chargers
A housing for portable chargers includes a frame, at least one retaining member, and a charging pad. The frame defines a plurality of components configured to receive a plurality of portable chargers. The at least one retaining member is attached to the frame and configured to retain the plurality of portable chargers in the plurality of compartments. The charging pad extends into the plurality of compartments and is configured to charge the plurality of portable chargers.
US11296520B2 Rechargeable battery jump starting device with a dual battery diode bridge system
A rechargeable battery jump starting device with a dual battery diode bridge system. The dual battery diode bridge, for example, is configured to protect against a back-charge to a first 12V battery and/or a second 12V battery after a vehicle has been jump charged to prevent damage thereto.
US11296518B2 Power circuit and electronic device including the same
An electronic device includes a housing, a display exposed through one surface of the housing, at least one ground member, a first battery disposed in the housing and including a first anode and a first cathode, a second battery disposed in the housing and including a second anode and a second cathode electrically connected with the at least one ground member, a charging circuit electrically connected with the first battery and the second battery, a charging interface electrically connected with the charging circuit, and a power management integrated circuit electrically connected with the charging interface and the charging circuit and managing power supplied to the electronic device. When an external power source is connected through the charging interface, the charging circuit connects the first battery and the second battery in series during a first time period and connects the first battery and the second battery in parallel during a second time period.
US11296513B2 Station building power supply
A station building power supply includes: a power converter that converts DC power to AC power; a casing that houses the power converter; an AC system circuit that supplies the AC power output from the power converter to electrical apparatus outside the casing; and a filter circuit that applies a high-frequency current generated in the power converter from the AC system circuit to the casing. In the station building power supply, the power converter and the casing are grounded.
US11296511B2 Energy storage controller with battery life model
An electrical energy storage system includes a battery configured to store and discharge electric power to an energy grid, a power inverter configured to use battery power setpoints to control an amount of the electric power stored or discharged from the battery, the battery power setpoints comprising at least one of frequency regulation power setpoints and ramp rate control power setpoints, and a controller. The controller is configured to use a battery life model to generate the battery power setpoints for the power inverter. The battery life model includes one or more variables that depend on the battery power setpoints.
US11296509B1 Zero-sequence current balancer with a real power injector for a three-phase power system
A zero-sequence current balancer for a controlling zero-sequence current in a three-phase power system includes a cascade multilevel modular inverter (CMMI) coupled to the three-phase power system, wherein the CMMI has a plurality of modules, each module having a module capacitor, and a real power injector circuit provided between the three-phase power system and the CMMI, wherein the real power injector circuit is structured and configured to cause real power to injected into and/or absorbed from the CMMI to regulate a voltage of one or more of the module capacitors.
US11296508B2 Hierarchical operational control of aggregated load management resources
An aggregation comprises: loads that draw electricity, and a hierarchy including a root dispatch engine at the top of the hierarchy, downstream dispatch engines each servicing downstream points comprising further downstream dispatch engines or loads, and the loads at the bottom of the hierarchy. Each downstream dispatch engine sends draw dispatches to its downstream points such that the total draw computed by summing the draw dispatches equals a draw dispatch received by the downstream dispatch engine from the dispatch engine above it in the hierarchy. The sent draw dispatches also satisfy downstream point draw constraints communicated to the downstream dispatch engine from its downstream points. In a method, a baseline long-term draw dispatch is determined for the aggregation, and the baseline long-term draw dispatch is modulated over a shorter time interval based on a short-term draw requirement to determine a draw dispatch for the aggregation.
US11296507B2 Smart dim fuse: electrical load flexibility controller using sub-circuit voltage modulation and load sensing
Improved control of electrical power consumption is provided with “Smart Dim Fuses” (SDF) which can alter their output voltage as provided to the load circuits they are connected to. SDF units can replace conventional circuit breakers in electrical panels. The voltage control capability provided by SDF units can lead to improved control of electrical power consumption, since many loads can smoothly operate at lower power consumption when the voltage they are driven with decreases. SDF units can comply with relevant safety requirements, such as uninterrupted neutral connections between electrical mains and load circuits. SDF units can also provide a current limiting function that can substitute for the protective action of conventional circuit breakers.
US11296506B2 Bidirectional charging panel
The invention relates to a bidirectional charging panel (BCP). The BCP includes a relay for controlling a combustion engine and a battery voltage sensor for monitoring a battery voltage. The BCP also includes a grid switch to transfer continuous power between the battery and a grid interface, where the grid interface further includes a grid voltage sensor for monitoring a grid voltage of a grid of devices and a grid direct current outlet to transfer power to and from a grid of devices. The BCP also includes a controller to manage the flow of power between the battery and the grid of devices, where the controller uses the relay to start or stop the combustion according to the battery voltage and uses the grid interface to transfer power from the grid of devices to the battery in response to determining the battery voltage is lower than the grid voltage.
US11296505B2 Method for analyzing correlation between different line loss actions
A method is for analyzing the correlation between different line loss actions, which records, for each individual to which line loss actions occur, all the line loss actions that occur to the individual; and counts, based on two categorization manners: by individual and by line loss action, line loss actions recorded in the database, to obtain line loss action counting results corresponding to respective categorization manners; then, based on the two counting results, collects respective multi-line loss action sequences; and acquires probability data as a data source for probability calculation, to obtain line loss action occurrence conditional probabilities for different line loss actions, so that a targeted a targeted loss reduction plan can be formulated.
US11296503B1 Electrostatic discharge protection circuits and semiconductor circuits
An electrostatic discharge protection (ESD) circuit is provided for a semiconductor element. The semiconductor element includes first and second drain/source electrodes and is surrounded by a deep well region. The ESD circuit includes a first control circuit and a first discharge circuit. The first control circuit is electrically connected between the first drain/source electrode and a power terminal and includes a first control terminal electrically connected to the deep well region and generates a first control signal. The first discharge circuit is controlled by the first control signal. When an electrostatic discharge event occurs on the first drain/source electrode, the first control circuit generates the first control signal according to potential states of the deep well region and the first drain/source electrode, and the first discharge circuit provides a first discharge path between the first drain/source electrode and the power terminal according to the first control signal.
US11296500B2 Output circuit with ESD protection
The present invention provides an output circuit with electrostatic discharge (ESD) protection in a semiconductor chip of a source driver. The source driver is configured to drive a display panel. The output circuit includes an output buffer, an output pad, a switch and a first resistor. The switch is coupled between the output buffer and the output pad, wherein data voltages for driving the display panel are transmitted from the output buffer to the output pad via the switch. The switch includes a first metal oxide semiconductor (MOS) transistor, which includes a first terminal coupled to the output pad, a bulk terminal and a gate terminal. The first resistor is coupled between the bulk terminal of the first MOS transistor and a first power supply terminal.
US11296497B2 Surge protection circuit and electronic device using the circuit
Provided is a surge protection circuit, which includes a bidirectional voltage suppressor; and a thyristor surge suppression unit connected in parallel with the bidirectional voltage suppressor. The first end of the bidirectional voltage suppressor is connected to the first end of the thyristor surge suppression unit, and the second end of the bidirectional voltage suppressor is connected to the second end of the thyristor surge suppression unit. The breakover voltage or the breakdown voltage in the direction from the first end to the second end of the thyristor surge suppression unit is greater than the clamping voltage in the direction from the first end to the second end of the bidirectional voltage suppressor. The breakover voltage in the direction from the second end to the first end of the thyristor surge suppression unit is less than the clamping voltage in the direction from the second end to the first end of the bidirectional voltage suppressor.
US11296496B2 Protection circuit and photovoltaic system
Provided are a protection circuit and a photovoltaic system capable of irreversibly interrupting a current path of photovoltaic units such as solar cells by a signal in an emergency such as a fire. The protection circuit includes: a photovoltaic units 26, a protection element 2 provided on a current path of the photovoltaic units 26, and a switch 3 for activating the protection element 2, wherein the protection element 2 irreversibly interrupts the current path of the photovoltaic units 26.
US11296494B2 Circuit for and method of protecting overvoltage in universal serial bus interface
A circuit to protect an overvoltage in a universal serial bus (USB) device include an overvoltage protection (OVP) switch connected to a pin of a USB receptacle and a switch controller to turn off the OVP switch when an overvoltage is detected such that power between the pin and the USB device is interrupted. The switch controller supplies a control signal to the OVP switch such that the OVP switch has a first on-resistance when the USB device is operating in a normal mode and no overvoltage is detected, and has a second on-resistance, higher than the first on-resistance, when the USB device is operating in a low-power mode and no overvoltage is detected.
US11296492B2 Protection circuit, semiconductor device, and method
According to one embodiment, a protection circuit is a protection circuit for protecting an output driver element from overheat, and includes a measurer configured to measure, as a measurement value, a value proportional to a supply power amount to the output driver element, an estimator configured to estimate a temperature rise amount of the output driver element corresponding to the supply power amount, on a basis of the measurement value, a detector configured to detect an ambient temperature of the output driver element, and a determiner configured to determine whether a temperature obtained by adding the temperature rise amount estimated to the ambient temperature exceeds a predetermined threshold temperature, and to output a cutoff instruction signal for the output driver element.
US11296491B2 Method and apparatus for operating a power distribution system
A method and apparatus for operating a power distribution system, includes providing a solid state switch downstream of a power source and upstream of an electrical load, the solid state switch operable in a conducting mode that enabling conduction from upstream to the output and a non-conducting mode that disables conduction from the input to the output, and providing a transient voltage suppressor defining a breakdown voltage upstream of the solid state switch.
US11296489B2 Support system for electrical boxes
A mounting system for a first support and a second support for electrical components can include a first mounting interface and a second mounting interface. The first mounting interface can include a first channel, and a first insertion slot extending from inside of the first channel to outside of the first channel. The second mounting interface can include a second channel and a first interface arm, and a second interface arm. The second channel can be configured to nest with the first channel. The first interface arm can extend through the first insertion slot when the second channel is nested with the first channel.
US11296482B2 Semiconductor structure having group III-V chiplet on group IV substrate and cavity in proximity to heating element
A semiconductor structure includes a group III-V chiplet over a group IV substrate. A group IV optoelectronic device is situated in the group IV substrate. A patterned group III-V optoelectronic device is situated in the group III-V chiplet. A heating element is near the group IV optoelectronic device, or alternatively, near the patterned group III-V optoelectronic device. A dielectric layer is over the patterned group III-V optoelectronic device. A venting hole is in the dielectric layer in proximity of the heating element. A cavity is in the group IV substrate in proximity to the heating element.
US11296481B2 Divergence reshaping array
A divergence reshaping apparatus for laser diodes having a fast axis and a slow axis includes a fast axis collimator element having positive optical power in the fast axis and no optical power in the slow axis. A slow axis magnifier element has no optical power in the fast axis and positive optical power in the slow axis. An objective element has positive optical power in the fast axis and no optical power in the slow axis. A slow axis collimator element has negative optical power in the fast axis and positive optical power in the slow axis. Every element is optically aligned down an optical axis, and wherein a beam traveling through every element is collimated, compressed and shifted in the fast axis and expanded and collimated in the slow axis.
US11296477B2 Systems, apparatuses and methods for coherent beam combining of fiber laser beams with broadened linewidth
A method, apparatus and system for coherent beam combining (CBC) in high energy fiber laser (HEL) systems include generating a reference interference pattern of a signal source including at least two single-mode optical signals, capturing and evaluating the reference interference pattern, maximizing an intensity of the selected area of the captured, reference interference pattern, increasing a linewidth of the optical signals generating the reference interference pattern until the reference interference pattern is degraded, and adjusting a delay time of one of the at least two single-mode optical signals until the reference interference pattern is recovered, by adjusting a value of a delay of a delayed RF signal with a broaden linewidth to a respective EO linewidth broadening modulator in at least one channel of the at least two single-mode optical signals while evaluating the interference pattern on a display device.
US11296474B2 Flexible strip assembly system
A flexible strip assembly system includes a first conveyor conveying a first layer of material, a pick-up device picking up a conductor and placing the conductor at a predefined position on an upper surface of the first layer of material, a second conveyor conveying a second layer of material, and a first pair of guiding rollers. The conductor is conveyed under driving of the first layer of material. The first pair of guiding rollers press and stick the second layer of material to the first layer of material and the conductor on the upper surface of the first layer of material to form a flexible strip with the conductor clamped between the first layer of material and the second layer of material. At least one of the upper surface of the first layer of material and a lower surface of the second layer of material has an adhesive layer.
US11296473B2 Systems and methods for maintaining orientation of an electrical connector during an assembly process
A connector support assembly is configured to securely retain a mating connector during an assembling process of an electrical connector. The connector support assembly includes a universal base, and a plurality of inserts configured to be interchangeably retained by the universal base. Each of the inserts includes a base connection interface that is configured to be retained by the universal base, and at least one shell connection interface. The shell connection interface(s) of at least two of the inserts are configured to retain different sized shells of different mating connectors.
US11296471B2 Motor brush quick change assembly
A motor brush quick change assembly that includes brush units and electrical spring contacts. The brush units include a carrier with a housing and a brush. The electrical spring contacts are connected to an electrical device. Each of the brush units is configured to be removably attached to the electrical device to contact one of the electrical spring contacts. The brush unit thus provide for both a mechanical and electrical connection to the electrical device. The brush units are configured to prevent the need for separate electrical leads that require separate attachment and detachment to the electrical device. This design provides for straight-forward removal and replacement that can be performed by a robotic device or an operator.
US11296470B2 Battery pack with electrical connector mechanism that maintains waterproof integrity of portable electronic device
A battery pack for electrically coupling with and securing to a portable electronic device having a device connector and one or more user interface components includes an electronics section and a latch section. The electronics section includes a battery compartment configured to hold one or more batteries and a connector mechanism configured to interconnect with and form a waterproof seal around the device connector. The latch section is pivotably coupled to the base portion and configured to pivot relative to the base portion to transition the battery pack between open and closed states. In the open state, the electronics section and the latch section form an open frame structure configured to enable installation of the portable electronic device in the battery pack. In the closed state, the electronics section and the latch section form a closed frame structure configured to secure the portable electronic device within an opening defined by the closed frame structure.
US11296469B2 Quick release junction box assembly
A quick release junction box assembly includes a junction box that is positionable above a ceiling in a building. A socket is positioned in the junction box, a female electrical plug is integrated into the socket and the female electrical plug is electrically coupled to the wires for receiving voltage and voltage from the wires. A plug is slidably insertable into the socket and the plug is placed in electrical communication with the building's electrical system when the plug is inserted into the socket. A locking mechanism is movably integrated into the plug to releasably engage the socket when the plug is inserted into the socket. A light fixture is coupled around the plug and the light fixture receives the electrical voltage from the building's electrical system when the plug is inserted into the socket.
US11296462B2 Connector assembly with a connector position assurance indicator
A connector comprises a connector body having a mating interface configured to engage a complementary mating connector, a first indicator feature carried by the connector body, the first indicator feature having a first partial visual identifier disposed thereon, and a second indicator feature carried by the connector body having a second partial visual identifier disposed thereon, wherein the first and second indicator features are movable relative to each other between a separated position and a joined position, characterized in that the first and second indicator feature form a complete visual identifier only when in the joined position, wherein the first and second indicator features are in the separated position when the connector body is not fully mated relative to the mating connector, and wherein the first and second indicator features are in the joined position responsive to the connector body being fully mated to the mating connector.
US11296457B2 Magnetic connector
The invention discloses a magnetic connector, which includes a male connector and a female connector. The female connector includes a tongue assembly. The tongue assembly includes a first tongue and a pluralities of contact terminals disposed on the first tongue. A second tongue is defined on the male connector. A plurality of conductive terminals are disposed on the second tongue, the male connector and the female connector are magnetically attracted, and the contact terminals contact with the conductive terminals to achieve electrical connection.
US11296455B1 Waterproof circular connector
A waterproof circular connector includes a male head, a female seat and a ring member. The male head provides a first circular body, a third circular body, a first electrode group and a third electrode group. The female seat provides a first base, a second circular body, a fourth circular body, a second base, a second electrode group and a fourth electrode group. The male header is combined with the female seat. The third circular body is inserted between the second and fourth circular bodies, so that the third electrode group is electrically connected to the second electrode group and the first electrode group is electrically connected to the fourth electrode group. The first, second, third and fourth electrode groups are combined with the third circular body by the ring member to prevent water and dust entering from the outside and realize non-directional electrical connections.
US11296450B2 Electrical connector assembly
An electrical connector assembly includes a receptacle connector and a plug connector adapted to be mated with each other. The receptacle connector includes a contact unit forwardly assembled into the receptacle housing and having a plurality of receptacle contacts and a common mode choke electrically connected together. The plug connector includes a resilient latch associated with the plug shell and received within an enlarged area of a circumferential space formed between the receptacle shell and the receptacle housing.
US11296448B2 Electrical connector assembly
A receptacle connector includes an insulative housing having an upper wall and a lower wall with a plurality of vertical walls linked therebetween to form corresponding passageways alternately arranged with the vertical walls. A plurality of contacts are disposed in the corresponding passageways, respectively. A plurality of upper apertures are formed in the upper wall to communicate with the corresponding passageways. A plug connector is adapted to be mated with the receptacle connector and includes an insulative body with opposite top wall and bottom wall. A plurality of through openings are formed in the top wall. A plurality of grooves are formed in an interior face of the top wall to communicate the through openings of the plug connector with the corresponding apertures of the receptacle connector.
US11296446B2 Connector for a flat flexible cable
A connector for a flat flexible cable includes a cable housing and a contact having an elastic portion. The cable housing includes a first housing having a termination passage extending through the first housing and a second housing mated with the first housing. A flat conductor exposed in a window extending through an insulation material of the flat flexible cable is held between the first housing and the second housing. The elastic portion extends through the termination passage and elastically bears against the flat conductor to electrically connect the contact to the flat conductor.
US11296445B2 Terminal assembly and board end connector
The present disclosure provides a terminal assembly and board end connector. The terminal assembly comprises a plurality of terminals, a terminal insulation body and a conductive plastic. Each of the terminals comprises a terminal body, a plugging end part and a connecting end part. The plugging end part and the connecting end part are provided at two ends of the terminal body. The terminal insulation body covers the plurality of the terminal bodies of the plurality of terminals. The conductive plastic is disposed on one side of the terminal insulation body. A surface of the conductive plastic close to the terminal body is parallel to the terminal body. The SI performance of the board end connector equipped with the terminal assembly of the present disclosure can be improved by paralleling a surface of the conductive plastic close to the terminal body to the terminal body.
US11296439B2 Electrical connector
An electrical connector includes an insulating housing, at least one transmission module mounted in the insulating housing, and a shell surrounding the insulating housing. The at least one transmission module includes a terminal assembly, a flexible printed circuit board and at least one pad. The terminal assembly is adhered to the flexible printed circuit board. The terminal assembly has at least one terminal which has a fastening portion. One end of the fastening portion is arched downward to form a bending portion. The flexible printed circuit board has a linking portion, and at least one conductive piece disposed to an inner surface of the linking portion. The fastening portion and the bending portion of the at least one terminal are mounted to the flexible printed circuit board. The at least one pad is disposed to the at least one conductive piece.
US11296436B2 Press-fit terminal with improved whisker inhibition
A press-fit terminal for insertion into a conductive through-hole of a substrate includes an elastic deformation part with an outer and inner surface, the press-fit terminal includes, in sequence, a copper or copper alloy base, nickel or a nickel alloy barrier layer, a tin or tin alloy layer and an indium top layer. The press-fit terminal shows reduced whisker formation.
US11296432B2 Electrical terminal for flat flexible cables
A cable assembly includes a flat flexible cable having a plurality of conductors embedded within an insulation material. A portion of each of the conductors is exposed via openings selectively formed in the insulation material, allowing for a crimping portion of an electrically conductive terminal to engage with the conductor within the opening. The crimping portion of the terminal includes a base defining at least one protrusion extending therefrom, and first and second sidewalls extending from the base. The base and the first and second sidewalls define an opening configured to receive the conductor therein. The first sidewall includes a first section attached to the base and a second section attached to the first section on an end opposite the base. In a crimped state of the terminal, the first sidewall rotated into the opening such that the first section at least partially surrounds the second section, and the second sidewall is rotated in a direction opposite the first section such that the first section at least partially surrounds the second section, for crimping the conductor within the opening and against the protrusion.
US11296430B2 Antenna module including plurality of radiators, and base station including the antenna module
A technique for converging Internet of things (IoT) technology with a fifth generation (5G) communication system for supporting data rates beyond a fourth generation (4G) system can be applied to intelligent services. An antenna module includes a first radiator radiating a radio wave through an upper surface, a second radiator formed surrounding an outer periphery of the first radiator, a dielectric having an upper surface disposed under a lower surface of the first radiator, the dielectric being formed to fix the first radiator and the second radiator to be separated based on a first length, a feeder having an upper surface disposed under a lower surface of the dielectric, the feeder coupling an electrical signal to at least one of the radiator or second radiators through the dielectric, and a printed circuit board electrically connected to the feeder by a conductive pattern and supplying the electrical signal to the feeder.
US11296429B2 Flat panel array antenna with integrated polarization rotator
A panel array antenna comprises an input layer including a waveguide network coupling an input feed on a first side thereof to a plurality of primary coupling cavities on a second side thereof, and an output layer on the second side of the input layer. The output layer includes an array of horn radiators, respective horn radiator inlet ports in communication with the horn radiators, and respective slot-shaped output ports in communication with the respective horn radiator inlet ports to couple the horn radiators to the primary coupling cavities. The horn radiators, the respective horn radiator inlet ports, and the respective slot-shaped output ports are integrated in a monolithic layer, which is configured to provide respective output signals from the horn radiators having a polarization orientation that is rotated by a desired polarization rotation angle relative to respective input signals received at the respective slot-shaped output ports coupled thereto.
US11296425B2 Dual-polarized duplex antenna and dual-band base station antenna array composed thereof
A dual-polarized duplex antenna includes a top-layer dielectric substrate; a metal reflective ground plate below the top-layer dielectric substrate; vertically-placed duplex baluns for duplexing operation between the top-layer dielectric substrate and the metal reflective ground plate; and four dipole arms horizontally printed on an upper surface of the top-layer dielectric substrate. Each of the duplex balun includes a vertical dielectric substrate, a balun feedline printed on a front side of the vertical dielectric substrate, and a ground plane with a printed slot line printed on a reverse side of the vertical dielectric substrate. The balun feedline includes a low-pass filter, a high-pass filter and a microstrip feeding structure serving as a connection. The low-pass filter and the high-pass filter are located on two sides of the slot line, and are connected together by the microstrip feeding structure.
US11296423B2 Reconfigurable transmitarray antenna with monolithic integration of elementary cells
A structure including a first wafer, including first active components configured so as to introduce a phase shift; a first metal layer, formed on a first surface of the first wafer; a first interconnect structure, formed on a second surface of the first wafer, including first bias lines; a set of first planar antennas, formed on the first interconnect structure; a second wafer; a second metal layer, formed on a first surface of the second wafer; a set of second planar antennas, formed on a second surface of the second wafer; the first and second wafers being joined by way of the first and second metal layers such that the first and second planar antennas are aligned, the first and second metal layers forming a ground plane.
US11296416B2 Metamaterial structure antenna and metamaterial structure array
In various embodiments, a metamaterial structure antenna may comprise: a feed line for feeding a signal; a ground plane comprising a cross-shaped aperture forming circular polarization on the basis of a magnetic field induced by the fed signal; and a patch plane formed parallel to the ground plane which emits electromagnetic waves on the basis of the circular polarization.
US11296415B2 Multi-layer patch antenna
An antenna system includes: a patch radiator being electrically conductive and configured to radiate energy in a first frequency band and a second frequency band, different from the first frequency band; a parasitic patch radiator overlapping with the patch radiator, the parasitic patch radiator being electrically conductive and being configured to radiate energy in the first frequency band; and at least one parasitic element including a conductor sized and disposed relative to the parasitic patch radiator such that a combination of the parasitic patch radiator and the at least one parasitic element will radiate energy in the second frequency band.
US11296412B1 5G broadband antenna
A 5G broadband antenna is disclosed herein. The 5G broadband antenna comprises a first antenna element and a second antenna element. Each of the first antenna element and the second antenna element has a main branch with a slot therein. The antenna apparatus covers a first frequency band of 617-960 MegaHertz, a second frequency band of 1.4-1.6 GigaHertz (GHZ), a third frequency band of 1.71-2.7 GHz, a fourth frequency band of 3.3 to 4.2 GHz, and a fifth frequency band of 4.3 to 6.0 GHz.
US11296410B2 Phase shifters for communication systems
Phase shifters for communication systems are provided herein. In certain embodiments, a phase shifter includes a plurality of phase shifting sections and a plurality of selection switches each coupled to a corresponding one of the phase shifting sections. The selection switches are formed on a semiconductor die, and are operable to connect one or more selected phase shifting sections between an input terminal and an output terminal, thereby controlling an overall phase shift provided by the phase shifter.
US11296409B1 Embedded antenna for calibration for a phased array antenna
Technologies directed to embedding a calibration antenna in an antenna structure of a phased array antenna are described. The antenna structure includes a ground plane, a first antenna element, and a second antenna element. The first antenna element and the second antenna element are located in a first plane. The second antenna element is separated from the first antenna element by a first distance. Dielectric material is located between the ground plane and the first plane. The antenna structure further includes a third antenna element that is located in a second plane. The second plane is located between the ground plane and the first plane. The third antenna element is located in an area with a first dimension and a second dimension that are each less than half of the first distance.
US11296408B1 High speed cluster scanning with geodesic sphere phased array antenna system
Invention of electronic cluster scanning method for Geodesic Sphere Phased Array Antenna System that is simultaneously faster cheaper and simpler is presented in this patent. This invention is based on recognition and skillful exploitation of multi-level symmetry properties inherent in the truncated icosahedron based geodesic sphere phased array antenna structure described in an earlier invention. The cluster scanning method employs cluster switching with limited angle electronic scanning involving inter-twined hexagonal sub-array centered clusters and pentagonal sub-array centered clusters.
US11296406B2 Antenna device, antenna control method, and program
A planar antenna includes a plurality of antenna elements and transmits and receives a radio wave to and from a target. An attitude controller is attached to the planar antenna and controls an attitude of the planar antenna mechanically. An antenna controller controls the attitude controller such that the planar antenna points in a predetermined direction with respect to the target. A scan controller controls beam scanning performed by the planar antenna and adjusts an excitation phase of each of the antenna elements in accordance with a signal level of a reception signal generated from a radio wave received from the target during performance of the beam scanning, thereby directing a beam from the planar antenna toward the target. The scan controller limits a range of the beam scanning to a range within which no grating lobe occurs.
US11296404B2 Radio frequency enabled thematic interface systems and methods
An interface in accordance with present embodiments includes a base and a theme portion disposed on the base. A first layer is disposed on the base and includes a mixture with metallic powder suspended within a translucent medium. A second layer is disposed on the base over the first layer and over the theme portion, and includes the mixture. A third layer is disposed on the base and on the theme portion over only portions of the second layer. The third layer includes paint and paint thinner. A fourth layer is disposed on the theme portion over the third layer and exposed portions of the second layer. The fourth layer also includes the mixture.
US11296401B2 Film antenna and display device including the same
A film antenna according to an embodiment of the present invention includes a dielectric layer, and a vertical radiation pattern and a horizontal radiation pattern on an upper surface of the dielectric layer. The vertical radiation pattern and the horizontal radiation pattern are arranged together on the same plane. Multi-axis radiation properties may be implemented in the same film by the vertical radiation pattern and the horizontal radiation pattern.
US11296394B2 Flexible antenna belts
Examples described herein relate to flexible antenna belts. For instance, a system may comprise a flexible antenna belt, where the flexible antenna belt is to transition between a closed position and an open position, and a flexible display coupled to the flexible antenna belt.
US11296393B2 TM dual mode filter
The present disclosure provides a filter comprises an enclosure having two cavities separated by a wall; a first TM dual-mode resonator and a second TM dual-mode resonator, each TM dual-mode resonator having two modes and comprising a body having a central portion with a plurality of arms extending outwardly from the central portion; a gradient aperture formed in the wall for coupling between two TM dual-mode resonators. The filter is capable of forming two transmission zeros between four resonances modes.
US11296391B2 Secondary battery and assembly therefor
The present disclosure provides a secondary battery and an assembly therefor. The secondary battery includes: a cap plate provided with a first electrode terminal; electrode assemblies, each electrode assembly comprising a first electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further includes an insulating holding block connected with the first electrode terminal connecting portion and the first electrode tab connecting portion respectively, and the insulating holding block is configured to maintain the first electrode terminal connecting portion and the first electrode tab connecting portion in position relative to each other when the first fusing portion is fused.
US11296389B2 Battery module constant current relay control systems and methods
A battery module comprising a housing, a venting assembly, a plurality of battery cells disposed in the housing, a printed circuit configured to control operations of the battery module, a vent chamber of the venting assembly, and a lid including the venting assembly. Each of the plurality of battery cells comprises a battery cell vent for venting gases from within the corresponding battery cell upward in a direction of the printed circuit. The vent chamber is disposed between the plurality of battery cells and the printed circuit. The vent chamber is configured to direct the gases vented from the battery cell vent toward an opening for venting the gases from the battery module. The lid is disposed over the plurality of battery cells and holds the printed circuit above the plurality of battery cells.
US11296386B2 Expandable electrochemical cell effluent containment device and corresponding systems and methods
A containment system (100) includes a housing (106). A battery pack (104) is situated within the housing. One or more ports (114) are disposed along a surface of the housing. An effluent containment pouch (108) is coupled to the surface of the housing. The effluent containment pouch spans the one or more ports. The effluent containment pouch expands when an electrochemical cell (105) experiences a thermal runaway condition, capturing expelled effluent (116).
US11296382B2 Battery pack
A battery pack for an electric truck includes a box shaped outer housing, a stack of battery modules accommodated inside the outer housing comprising at least one thermal plate and several battery modules arranged in thermal contact with the at least one thermal plate for heating and/or cooling of the at least one battery module and at least one support element being arranged at least partially between the stack of battery modules and the outer housing including at least partially a porous material and supporting the battery stack with respect to the outer housing.
US11296380B2 Battery packs having structural members for improving thermal management
Battery packs are presented having structural members for improving thermal management of battery cells therein. In some embodiments, the battery packs include a first end-member positioned opposite a second end-member and parallel thereto. The battery packs also include a first side beam positioned opposite a second side beam and parallel thereto. The first side beam and the second side beam extend longitudinally between the first end-member and the second end-member. A longitudinal member is disposed between the first side beam and the second side beam and defines a plurality of longitudinal rows. The battery packs may additionally include a lateral member disposed between first end-member and the second end-member to partition the plurality of longitudinal rows into an array of battery cell compartments. A battery cell is disposed within at least one battery cell compartment.
US11296379B2 Cell packaging techniques
Battery systems according to embodiments of the present technology may include a battery cell having an electrode tab extending from an edge of the battery cell. The systems may also include a module electrically coupled with the battery cell. The module may be characterized by a first surface, a height, and a second surface opposite the first surface. A conductive tab coupled along the first surface of the module may extend from a first end parallel to a plane of the first surface. The conductive tab may be characterized by a curvature proximate a midpoint of the conductive tab. A distal region of the conductive tab may return back across the first surface of the module substantially parallel to the first surface. A distal portion of the electrode tab may be fixedly coupled with the distal region of the conductive tab.
US11296377B2 Cover for an electrochemical cell with enhanced heat conduction
The invention relates to an electrochemical element (1) comprising: a) a container (2) comprising an opening allowing the introduction of at least one electrochemical beam (7); and b) a closing part (3) for closing said container, comprising: i) at least one flat inner surface (4a, 4b, 4c) which is oriented towards the inside of the container and can be directly electrically connected to a current collector (6), ii) at least one flat outer surface (5a, 5b, 5c) which is oriented towards the outside of the container and can act as a terminal of the electrochemical element, and iii) at least one wall (8a, 8b, 8c) connecting said at least one flat inner surface to said at least one flat outer surface, said wall forming an angle of between 70 and 120° in relation to one of the two flat surfaces. The closing part of the container allows heat dissipation to be improved in the direction of the longitudinal axis of the element.
US11296374B2 Metal-air battery
A metal-air battery includes a metal negative electrode (12), an oxygen-generating electrode placed on a surface of the metal negative electrode, and an air electrode placed on another surface of the metal negative electrode. The metal negative electrode includes at least a negative electrode active material layer facing the oxygen-generating electrode. A first separator placed in contact with the negative electrode active material layer is placed between the negative electrode active material layer and the oxygen-generating electrode.
US11296371B2 Cell-tab-cooling type battery
A cell-tab-cooling type battery may include a plurality of battery cells respectively including tabs for electrical connection from each other, the respective tabs of the plurality of battery cells being aligned in one direction thereof; a plurality of bus bars connected in common to the tabs of the battery cells adjacent to each other among the plurality of battery cells to form an electrical connection between the battery cells; and a plurality of cooling capsules respectively including a coolant and being respectively bonded on the plurality of bus bars.
US11296366B2 Apparatus, method and battery pack for detecting fault of electrical conductor
An apparatus, a method and a battery pack for detecting a fault of at least one of first and second electrical conductors connected to a positive terminal and a negative terminal of the battery, respectively. The apparatus includes a current sensor measuring a battery current, a voltage sensor measuring a voltage between the first electrical conductor and the second electrical conductor as a battery voltage, and a control unit. The control unit determines an idle voltage value indicating the battery voltage measured while charging and discharging of the battery is stopped. The control unit determines a diagnosis voltage value indicating the battery voltage measured while the battery is being charged or discharged. The control unit determines whether at least one of the first and second electrical conductors is faulty based on a difference between the idle voltage value and the diagnosis voltage value.
US11296364B2 Rechargeable battery pack and gardening and/or forestry work system
A rechargeable battery pack has a cell block. The cell block has a plurality of rechargeable battery cells, wherein at least some of the rechargeable battery cells are physically arranged consecutively from a first cell block end of the cell block in at least a first direction to a second cell block end of the cell block and are electrically connected in series. The battery pack includes an electronics unit, wherein the electronics unit has a measurement electronics part.
US11296363B2 Multi-cell battery pack
Battery packs according to embodiments of the present technology may include a first battery cell including a lithium-containing material. The first battery cell may be configured to operate in a voltage window extending to or above about 4 V. The battery packs may include a second battery cell electrically coupled in parallel with the first battery cell. The second battery cell may be configured to operate in a voltage window maintained at or below about 4.0 V. The battery packs may also include a controller configured to receive a measured terminal voltage from the first battery cell. The controller may be configured to determine whether to disconnect the second battery cell from the first battery cell based on the measured terminal voltage of the first battery cell.
US11296362B2 Serial-to-parallel converter and battery module having same
Disclosed is a serial-to-parallel converting apparatus. The serial-to-parallel converting apparatus includes: an input plate connected to positive electrodes and negative electrodes of a plurality of battery cells, respectively: an output plate spaced apart from the input plate and connected to an external terminal; a rotary plate rotatably interposed between the input plate and the output plate to electrically connect the input plate and the output plate, the rotary plate being configured to convert serial connection and parallel connection of the plurality of battery cells by rotating; and a case configured to accommodate the input plate, the output plate and the rotary plate.
US11296360B2 Battery core for a sandwich component
A battery core has a positive electrode layer, a separator layer and a negative electrode layer. The separator layer is arranged between the positive electrode layer and the negative electrode layer. The positive electrode layer, the separator layer and the negative electrode layer have nanocellulose fibres. The battery core is folded and forms a cellular structure as a core for a sandwich component. The sandwich component has an upper covering layer, a lower covering layer and a battery core. The battery core is arranged between the upper covering layer and the lower covering layer. A method for producing such a battery core is also described.
US11296355B2 Lithium-garnet solid electrolyte composite, tape articles, and methods thereof
A composite ceramic including: a lithium garnet major phase; and a grain growth inhibitor minor phase, as defined herein. Also disclosed is a method of making composite ceramic, pellets and tapes thereof, a solid electrolyte, and an electrochemical device including the solid electrolyte, as defined herein.
US11296351B1 Rechargeable battery with pseudo-reference electrode
Energy storage devices, battery cells, and rechargeable batteries of the present technology may include an anode and a cathode. The battery cells may include a separator positioned between the anode and the cathode. The battery cells may include an electrolyte incorporated with the anode and the cathode. The battery cells may also include a pseudo-reference electrode at least partially in contact with the electrolyte. The pseudo-reference electrode may be electrically isolated from the anode and the cathode.
US11296350B2 Cell stack device
A cell stack device includes a plurality of electrochemical cells, a manifold, a gas supply portion, and a gas collection portion. The manifold includes a gas supply chamber and a gas collection chamber that extend in a direction in which the electrochemical cells are arranged. A support substrate of an electrochemical cell includes a first gas channel and a second gas channel. The first gas channel is connected to the gas supply chamber, and the second gas channel is connected to the gas collection chamber.
US11296345B2 Air cleaner
An air cleaner is provided in a cathode system device of a fuel cell system that is mounted in a fuel cell vehicle. The air cleaner comprises a casing having an internal space through which air flows, and an air filter accommodated in the internal space. The air filter has a flat plate shape, and is arranged on an outer side of a fuel cell stack in a horizontal direction, and in a state of being inclined with respect to the horizontal direction.
US11296344B2 Operating control method and control system of fuel cell stack
An operating control method of a fuel cell stack is provide. The method includes diagnosing performance of a fuel cell stack based on an output current of the fuel cell stack, when an operating voltage of the fuel cell stack is within a predetermined diagnostic voltage range. Whether a recovery operation of the fuel cell stack is required is determined based on the diagnosed performance of the fuel cell stack and the voltage of the fuel cell stack is reduced, when the recovery operation of the fuel cell stack is required to recover performance of the fuel cell stack.
US11296343B2 Cathode inlet humidity sensing with oxygen sensor
A fuel cell system includes a stack of proton exchange membrane (PEM) fuel cells defining a body, the body including a coolant inlet and coolant outlet, a cathode inlet and cathode outlet corresponding to a cathode, an anode inlet and an anode outlet corresponding to an anode. The fuel cell system also includes a cathode humidifier fluidly connected to the cathode inlet to provide a humidified inlet stream to the cathode inlet, an oxygen sensor positioned upstream of the cathode inlet and downstream of the cathode humidifier, and configured to measure oxygen content of the humidified inlet stream, and a controller connected to the cathode humidifier and the oxygen sensor and configured to operate the cathode humidifier based on the oxygen content of the humidified inlet stream.
US11296342B2 Universal tubular solid oxide fuel cell testing kit
A testing device for tubular solid oxide fuel cells (SOFC) includes a housing within which the tubular SOFC is mounted. The housing includes suitable inlets and outlets to allow a fuel gas, such as hydrogen, and an oxidant, such as air or oxygen, to interact with the anode and cathode of the tubular SOFC. In addition, the housing is formed of suitable material for placement in a heating device, such as a tubular furnace or a miniature tubular heater. A temperature sensor and computing device may monitor the temperature of the tubular SOFC in order to control the operation of the tubular heating device. In addition, the device provides electrical current collectors for coupling to the anode and cathode of the SOFC, which may be removable and reusable.
US11296335B2 Fuel cell system and method of operating same
A fuel cell system comprising: a first line configured to pass through a fuel cell stack and allow a coolant to circulate therein; a pump provided in the first line; a second line having one end connected to the first line at a first point positioned between an outlet of the pump and the fuel cell stack, and the other end connected to the first line at a second point positioned between an inlet of the pump and the fuel cell stack; a heater provided in the second line to heat the coolant flowing along the second line; and a third line configured to pass through an air conditioning unit, connected to the first line between the first point and an outlet of the fuel cell stack, and configured to allow a part of the coolant to circulate therein.
US11296334B2 Fuel cell system
An FC (fuel cell) system includes: an FC; a radiator configured to cool a CL (cooling liquid); an ion exchanger provided in a BFP (bypass flow path) branched off from a CFP (circulation flow path) for allowing the CL to circulate between the FC and the radiator; a multi-way valve provided in a branching point at which the BFP is branched off from the CFP; and a pump which circulates the CL. A percentage of the CL that is made to flow through the BFP can be controlled by the multi-way valve. In a case in which a stop time is longer than a threshold time when the FC system is started up, after the CL is circulated through the radiator, the CL is circulated through the BFP at the percentage of 80% or more until electrical conductivity of the CL becomes smaller than a threshold electrical conductivity.
US11296333B2 Fuel cell system
A fuel cell system includes: a fuel cell that has a cathode and an anode and generates electricity by reducing a mediator at the cathode; a regenerator that oxidizes, with an oxidant, the mediator reduced by the cathode; a reformer; a combustor that heats the reformer; and a heating medium path that heats the regenerator, wherein through the heating medium path, combustion exhaust discharged from the combustor or a heat medium heated through heat exchange with the combustion exhaust flows.
US11296332B2 Cell, cell stack device, module and module containing device
A cell may include a columnar support having a first main face and a second main face; and an element comprising a first electrode layer, a solid electrolyte layer, and a second electrode layer laminated in sequence on the first main face of the support. The porosity of at least one of the two end portions of the support in the longitudinal direction L may be lower than that of the central portion of the support in the longitudinal direction L.
US11296331B2 Ampoule-type reserve battery
Provided is an ampoule-type reserve battery including: an ampoule casing having an accommodation part formed therein; an electrolyte accommodated in a lower portion of the accommodation part; a leakage prevention liquid made of oil, which is phase-separated from the electrolyte without being mixed therewith so as to prevent the electrolyte from leaking through an upper portion of the accommodation part, and accommodated in the upper portion of the accommodation part; and a separation membrane mounted in the accommodation part and configured to separate the electrolyte from the leakage prevention liquid.
US11296329B2 Metal-ion battery
A metal-ion battery is provided. The metal-ion secondary battery includes a first chamber, a second chamber, and a control element. A positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a first electrolyte are disposed within the first chamber. A second electrolyte is disposed within the second chamber, and wherein components and/or concentration of the first electrolyte are different from those of the second electrolyte. The control element determines whether to introduce the second electrolyte disposed within the second chamber into the first chamber via a first pipeline.
US11296327B2 Positive electrode active material, positive electrode, lithium-ion secondary battery, and method of producing positive electrode active material
A positive electrode active material contains at least: fluorine in an amount not lower than 0.08 mass %; carbon in an amount not lower than 0.02 mass %; and lithium-metal composite oxide particles making up the remainder. The lithium-metal composite oxide particles contain nickel in an amount not lower than 60 mol % of the total amount of metallic elements. At least a partial amount of each of the fluorine and the carbon is present on surfaces of the lithium-metal composite oxide particles.
US11296324B2 Rotaxane polymer binder for lithium secondary battery, electrode comprising same, and secondary battery comprising same
The present disclosure provides a rotaxane polymer binder containing a polymer based on a rotaxane structure. The polymer binder may further contain a polymer cross-linked with a polar polymer. The polar polymer may be a polymer containing the element F, O or N in a functional group and having high polarity.In addition, the present disclosure provides an electrode containing the rotaxane polymer binder as a binder for a lithium secondary battery, and a secondary battery containing the electrode.
US11296323B2 Positive electrode for lithium secondary battery and lithium secondary battery comprising same
The present invention relates to a positive electrode for a lithium secondary battery and a lithium secondary battery comprising the same, wherein the positive electrode comprises: a current collector; an active material layer formed on the current collector and comprising a compound capable of intercalating and deintercalating lithium; and a coating layer formed on the active material layer and comprising an aqueous binder and a compound of Chemical Formula 1 having an average particle diameter (D50) of 2 μm or less. LiaFe1-xMxPO4  [Chemical Formula 1] (In Chemical Formula 1, 0.90≤a≤1.8, 0≤x≤0.7, and M is Mg, Co, Ni, or a combination thereof)
US11296322B2 Single-layer and multilayer graphene, method of manufacturing the same, object including the same, and electric device including the same
Graphene is formed with a practically uniform thickness on an uneven object. The object is immersed in a graphene oxide solution, and then taken out of the solution and dried; alternatively, the object and an electrode are immersed therein and voltage is applied between the electrode and the object used as an anode. Graphene oxide is negatively charged, and thus is drawn to and deposited on a surface of the object, with a practically uniform thickness. After that, the object is heated in vacuum or a reducing atmosphere, so that the graphene oxide is reduced to be graphene. In this manner, a graphene layer with a practically uniform thickness can be formed even on a surface of the uneven object.
US11296320B2 Secondary battery
The present disclosure provides a secondary battery, the secondary battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the positive electrode plate comprises a positive current collector and a positive film, the positive film is provided on at least one surface of the positive current collector and comprises a positive active material, the negative electrode plate comprises a negative current collector and a negative film, the negative film is provided on at least one surface of the negative current collector and comprises a negative active material, the negative active material comprises graphite, and an average particle diameter of the positive active material represented by D50 and a thickness of the negative film represented by Hn satisfy a relationship: 6≤0.06Hn×(4−1/D50)≤31. The battery of the present disclosure has the characteristics of excellent dynamics performance and long cycle life at the same time.
US11296317B2 Positive-electrode active material for non-aqueous electrolyte secondary battery and method of producing the same
A method of producing a positive-electrode active material for a non-aqueous electrolyte secondary battery is provided. The method includes obtaining a precipitate containing nickel and manganese from a solution containing nickel and manganese, heat-treating the resulting precipitate at a temperature of from 850° C. to less than 1100° C. to obtain a first heat-treated product, mixing the first heat-treated product and a lithium compound, and heat-treating the resulting lithium-containing mixture at a temperature of from 550° C. to 1000° C. to obtain a second heat-treated product. The second heat-treated product contains a group of lithium transition metal composite oxide particles having an average particle diameter DSEM of from 0.5 μm to less than 3 μm and D50/DSEM of 1 to 2.5. The lithium transition metal composite oxide particles have a spinel structure based on nickel and manganese.
US11296314B2 Negative electrode material, non-aqueous electrolyte secondary battery, and method of producing the same
A negative electrode material contains composite particles. Each of the composite particles contains a negative electrode active material particle and a film. The negative electrode active material particle contains a silicon oxide phase and a lithium silicate phase. The film covers a surface of the negative electrode active material particle. The film contains an anion-exchange resin. To an ion-exchange group of the anion-exchange resin, a fluoride ion is bound. The content of the anion-exchange resin in the negative electrode material is not higher than 33 mass %.
US11296313B2 Carbon dioxide treatment of cathodes
A method for producing water resistant cathodes is discussed. The method uses mixing cathode powder with solid carbon dioxide to create a mixture and heating the mixture to a temperature. The heating occurs for a time sufficient to cause lithium carbonate coatings to form on the powder. A method for coating lithium-containing cathode surfaces is also discussed. This method uses simultaneously sublimating solid CO2 and condensing atmospheric water vapor onto surfaces. Afterwards allowing the lithium to react with the sublimated CO2 for a time sufficient to create a lithium carbonate film on the surface.
US11296311B2 Lower pyrolysis temperature binder for silicon-dominant anodes
Systems and methods are provided for carbon additives for direct coating of silicon-dominant anodes. An example composition for use in directly coated anodes may include a silicon-dominated anode active material, a carbon-based binder, and a carbon-based additive, with the composition being configured for low-temperature pyrolysis. The low-temperature pyrolysis may be conducted at <600° C. An anode may be formed using a direct coating process of the composition on a current collector. The anode active material yields silicon constituting between 86% and 97% of weight of the formed anode after pyrolysis. The carbon-based additive yields carbon constituting between 2% and 6% of weight of the formed anode after pyrolysis.
US11296308B2 Flexible display device manufacturing method and flexible display device
The present invention provides a flexible display device manufacturing method and a flexible display device. The flexible display device manufacturing method of the present invention protects a folding region by adhering a protective tape on an entire surface of the folding region of a flexible display panel. Compared to the prior art of coating an ultraviolet glue on the folding region to form a protective layer, the method can effectively improve flatness of the surface of the protective layer in the folding region to advantage folding and shaping of the folding region, lower a risk of circuit wires in the folding region broken during the folding process, further reduce a defect rate of the products during the folding process and enhance quality of the products.
US11296304B2 Organic light-emitting element
The present invention provides an organic light-emitting element, comprising a substrate, a first electrode, more than one organic layer film comprising a light-emitting layer, and a second electrode. The light-emitting element further comprises a cover layer. The cover layer is located on the second electrode, and comprises a high refractive layer and a low refractive layer. A material for the low refractive layer of the cover layer is a boron complex organic small molecular compound. The organic light-emitting element provided by the present invention can achieve high light-emitting efficiency and color reproducibility. The organic light-emitting element of the present invention can be used for an organic EL display, a backlight source of a liquid crystal display, illumination, a sign board, an identification lamp, etc.
US11296300B2 Display apparatus and method of manufacturing the same
A display apparatus in which spacers are arranged in a lattice pattern on a flat portion of a panel body and are not arranged in a lattice pattern on a folded portion.
US11296299B2 Display panel, display device and manufacturing method of display panel
The present disclosure relates to a display panel, a display device, and a method of manufacturing the display panel. The display panel includes a first substrate and a second substrate opposite to each other, a bonding portion that bonds a first peripheral region of the first substrate and a second peripheral region of the second substrate, and a protrusion disposed on at least one of the first peripheral region of the first substrate and the second peripheral region of the second substrate, wherein the protrusion is embedded in the bonding portion.
US11296295B2 Organic light-emitting diode, organic light-emitting display including the same, and method of manufacturing the same
An organic light-emitting diode includes: a first electrode, a light-emitting stack thereon including, sequentially stacked: a hole transport layer (HTL) including an HTL material, a blue light-emitting layer including: a blue host material (BHM) and a blue fluorescent dopant (BFD) material, and an electron transport layer (ETL) including an ETL material, and a second electrode on the light-emitting stack, wherein the BFD material has a higher LUMO, a higher HOMO, and a lower singlet energy than the BHM, the HTL material has a higher HOMO than the BHM and the BFD material, a difference in HOMO between the HTL material and the BFD material is 0.1 eV or less, the ETL material has a higher LUMO than the BHM and the BFD material, and a difference in LUMO between the ETL material and the BFD material is 0.1 eV or less.
US11296294B2 Display device comprising quantum dot emission layer
A display device including a light source; and a quantum dot emission layer disposed on the light source, wherein the quantum dot emission layer includes a first emission layer disposed in a red pixel of the display device, and a second emission layer disposed in a green pixel of the display device, the light source includes a first portion configured to supply a first incident light to the first emission layer, a second portion configured to supply a second incident light to the second emission layer, and a third portion configured to supply a third light to a blue pixel of the display device, the first emission layer includes red light emitting quantum dots and the second emission layer includes green light emitting quantum dots, and each of the first portion, the second portion, and the third portion comprises a layer comprising blue light emitting quantum dots.
US11296293B2 Manufacturing method of organic electroluminescent substrate
A manufacturing method of an organic electroluminescent substrate, comprising: providing a base including a display area and a non-display area; and inkjet-printing the base such that such that the base is completely covered by an inkjet-printed area. The present disclosure can improve the thickness uniformity of the film formed in the display area.
US11296292B2 Organic electroluminescent device emitting green light
The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising a host material, a phosphorescence material and a emitter material, which exhibits a narrow—expressed by a small full width at half maximum (FWHM)—green emission at an emission maximum of 500 to 560 nm. Further, the present invention relates to a method for generating green light by means of an organic electroluminescent device according to the present invention.
US11296290B2 Patterning method for preparing top-gate, bottom-contact organic field effect transistors
The present invention relates to a process for the preparation of a top-gate, bottom-contact organic field effect transistor on a substrate, which organic field effect transistor comprises source and drain electrodes, a semiconducting layer, a cured first dielectric layer and a gate electrode, and which process comprises the steps of: i) applying a composition comprising an organic semiconducting material to form the semiconducting layer, ii) applying a composition comprising a first dielectric material and a crosslinking agent carrying at least two azide groups to form a first dielectric layer, iii) curing portions of the first dielectric layer by light treatment, iv) removing the uncured portions of the first dielectric layer, and v) removing the portions of the semiconducting layer that are not covered by the cured first dielectric layer, wherein the first dielectric material comprises a star-shaped polymer consisting of at least one polymer block A and at least two polymer blocks B, wherein each polymer block B is attached to the polymer block A, and wherein at least 60 mol % ofthe repeat units of polymer block B are selected from the group consisting of Formulas (1A), (1B), (1C), (1D), (1E) and (1F), wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently and at each occurrence H or C1-C10-alkyl.
US11296283B2 Organic electroluminescent materials and devices
A compound including a ligand LA of Formula I is disclosed.
US11296282B2 Organic compound and organic electroluminescence device using the same
An organic compound is described. An organic electroluminescence device comprises the organic compound, as a host of an emissive layer, as a dopant of an emissive layer, or as an electron transporting layer. The organic compound of the following formula may lower a driving voltage or increase a current efficiency or a half-life of the organic electroluminescence device. The same definition as described in the present invention.
US11296281B2 Materials for organic electroluminescent devices
The present invention relates to dibenzofuran and dibenzothiophene derivatives, especially for use as triplet matrix materials in organic electroluminescent devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
US11296279B2 Compound for organic electric element, organic electric element comprising the same and electronic device thereof
Provided is the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life time of the organic electronic device can be improved.
US11296278B2 Fullerene derivative blends, methods of making and uses thereof
Fullerene derivative blends are described herein. The blends are useful in electronic applications such as, e.g., organic photovoltaic devices.
US11296276B2 Memory device based on multi-bit perpendicular magnetic tunnel junction
Disclosed is a memory device including a multi-bit perpendicular magnetic tunnel junction, wherein the multi-bit perpendicular magnetic tunnel junction includes an upper synthetic antiferromagnetic layer, pinned layer, lower dual free layer, and upper free layer formed in a laminated manner between a top electrode and a bottom electrode.
US11296274B2 Nanovoided polymers having shaped voids
An example device includes a nanovoided polymer element, a first electrode, and a second electrode. The nanovoided polymer element may be located at least in part between the first electrode and the second electrode. In some examples, the nanovoided polymer element may include anisotropic voids. In some examples, anisotropic voids may be elongated along one or more directions. In some examples, the anisotropic voids are configured so that a polymer wall thickness between neighboring voids is generally uniform. Example devices may include a spatially addressable electroactive device, such as an actuator or a sensor, and/or may include an optical element. A nanovoided polymer layer may include one or more polymer components, such as an electroactive polymer.
US11296268B1 Magnetic clamping interconnects
A light emitting diode (LED) array is formed by bonding an LED substrate to a backplane substrate via magnetized interconnects. The backplane substrate may include circuits for driving the LED array, and each of the magnetized interconnects electrically connect a LED device to a corresponding circuit of the backplane substrate. The magnetized interconnects may be formed by electrically connecting first structures protruding from the backplane substrate to second structures protruding from the LED substrate. At least one of the first structure and the second structure includes ferromagnetic material configured to secure the first structure to the second structure.
US11296264B2 Light source module
The disclosure provides a light source module including a substrate, multiple light-emitting elements, multiple reflecting elements, and an encapsulation layer. The reflecting elements and light-emitting elements are disposed in stack arrangement in the direction perpendicular to the substrate surface, respectively. The encapsulation layer disposed between the reflecting elements and light-emitting elements includes multiple first grooves and main portions. The first grooves located between the light-emitting elements are connected to each other. The main portions cover the light-emitting elements, and the reflecting elements and the light-emitting elements are disposed in the central position of the main portions having multiple first inclined ridges disposed around the central position to define the first grooves in the first direction parallel to the extending direction of the substrate surface. The first angle included between the first inclined ridge and the surface of the substrate is less than 90 degrees.
US11296259B2 Micro semiconductor chip, micro semiconductor structure, and transfer device
A micro semiconductor chip, a micro semiconductor structure, and a transfer device are provided. The micro semiconductor chip includes an epitaxial structure, a first-type electrode, a second-type electrode and a top light guide element. The epitaxial structure has a top surface, a bottom surface and a side surface. The top light guide element is disposed on the top surface of the epitaxial structure, wherein the top light guide element has a light extraction surface and a bottom surface, wherein the edge of the light extraction surface completely overlaps the edge of the bottom surface of the top light guide element. The light extraction surface is a curved surface, a combination of at least two curved surfaces, or a combination of at least one curved surface and at least one planar surface.
US11296251B2 Electromagnetic wave detector and electromagnetic wave detector array including the same
An electromagnetic wave detector includes: an insulating film having a first surface and a second surface facing the first surface; a first layer to perform photoelectric conversion by an incident electromagnetic wave and change in potential, the first layer being made of a first two-dimensional atomic layer material; and a second layer to receive the change in potential through the first insulating film and generate change in electrical quantity, the second layer being made of a second two-dimensional atomic layer material and provided on the first surface. In this manner, the sensitive electromagnetic wave detector detecting an incident electromagnetic wave as change in electrical quantity and having high response speed to an incident electromagnetic wave can be provided.
US11296248B2 Solar cell stack
A solar cell stack, having a first semiconductor solar cell having a p-n junction made of a first material with a first lattice constant, and a second semiconductor solar cell having a p-n junction made of a second material with a second lattice constant, and the first lattice constant being at least 0.008 Å smaller than the second lattice constant, and a metamorphic buffer, the metamorphic buffer being formed between the first semiconductor solar cell and the second semiconductor solar cell, and the metamorphic buffer including a series of three layers, and the lattice constant increasing in a series in the direction of the semiconductor solar cell, and the lattice constants of the layers of the metamorphic buffer being bigger than the first lattice constant, two layers of the buffer having a doping, and the difference in the dopant concentration between the two layers being greater than 4E17 cm−3.
US11296238B2 Thin-film transistor substrate and display apparatus comprising the same
A thin-film transistor substrate and a display apparatus including the same includes a first thin-film transistor on a substrate. The first thin-film transistor includes a first semiconductor layer having a first channel area, a first source area, and a first drain area; a first lower gate electrode between the substrate and the first semiconductor layer; a first upper gate electrode on the first semiconductor layer and overlapping the first channel area; and a first electrode layer on the first upper gate electrode and electrically connected to at least one of the first source area and the first drain area. The first lower gate electrode overlaps the first channel area and the first drain area.
US11296237B2 Integration of graphene and boron nitride hetero-structure device over semiconductor layer
A microelectronic device includes a gated graphene component over a semiconductor material. The gated graphene component includes a graphitic layer having at least one layer of graphene. The graphitic layer has a channel region, a first connection and a second connection make electrical connections to the graphitic layer adjacent to the channel region. The graphitic layer is isolated from the semiconductor material. A backgate region having a first conductivity type is disposed in the semiconductor material under the channel region. A first contact field region and a second contact field region are disposed in the semiconductor material under the first connection and the second connection, respectively. At least one of the first contact field region and the second contact field region has a second, opposite, conductivity type. A method of forming the gated graphene component in the microelectronic device with a transistor is disclosed.
US11296229B2 Vertical thin film transistors having self-aligned contacts
Thin film transistors are described. An integrated circuit structure includes a first source or drain contact above a substrate. A gate stack pedestal is on the first source or drain contact, the gate stack pedestal including a first gate dielectric layer, a gate electrode layer on the first gate dielectric layer, a second gate dielectric layer on the gate electrode layer, and gate dielectric sidewalls along the first gate dielectric layer, the gate electrode layer and the second gate dielectric layer. A channel material layer is over and along sidewalls of the gate stack pedestal, the channel material layer further on a portion of the first source or drain contact. Dielectric spacers are adjacent portions of the channel material layer along the sidewalls of the gate stack pedestal. A second source or drain contact is over a portion of the channel material layer over the gate stack pedestal.
US11296227B2 Method of manufacturing semiconductor devices and semiconductor devices
In a method of manufacturing a semiconductor device including a Fin FET, a fin structure, which has an upper fin structure made of SiGe and a bottom fin structure made of a different material than the upper fin structure, is formed, a cover layer is formed over the fin structure, a thermal operation is performed on the fin structure covered by the cover layer, and a source/drain epitaxial layer is formed in a source/drain region of the upper fin structure. The thermal operation changes a germanium distribution in the upper fin structure.
US11296226B2 Transistor having wrap-around source/drain contacts and under-contact spacers
Embodiments of the invention are directed to a method of forming a semiconductor device. In a non-limiting example, the method includes forming a first channel region over a substrate, forming a second channel region over the first channel region, and forming a merged source or drain (S/D) region over the substrate and adjacent to the first channel region and the second channel region. The merged S/D region is communicatively coupled to the first channel region and the second channel region. A wrap-around S/D contact is formed such that it is on a top surface, sidewalls, and a bottom surface of the merged S/D region.
US11296225B2 FinFET device and method of forming same
A method includes forming a fin over a substrate, forming a dummy gate structure over the fin, removing a portion of the fin adjacent the dummy gate structure to form a first recess, depositing a stressor material in the first recess, removing at least a portion of the stressor material from the first recess, and after removing the at least a portion of the stressor material, epitaxially growing a source/drain region in the first recess.
US11296223B2 Semiconductor device
A semiconductor device includes a semiconductor layer of a first conductivity type. A well region that is a second conductivity type well region is formed on a surface layer portion of the semiconductor layer and has a channel region defined therein. A source region that is a first conductivity type source region is formed on a surface layer portion of the well region. A gate insulating film is formed on the semiconductor layer and has a multilayer structure. A gate electrode is opposed to the channel region of the well region where a channel is formed through the gate insulating film.
US11296222B2 Lateral double diffused metal oxide semiconductor and method of fabricating same
A lateral double diffused metal oxide semiconductor (LDMOS) transistor and a semiconductor can reduce the size of the entire power block and can decrease costs by preventing formation of an edge termination region between adjacent device tips or ends along a width direction when the corresponding LDMOS transistor cell has a limited width and the LDMOS transistor is a multi-finger LDMOS transistor.
US11296219B2 Semiconductor device and method of manufacturing the same
In a deep trench DTC reaching a predetermined depth from a first main surface of a semiconductor substrate SUB, a plurality of columnar conductors CCB including plugs PUG and field plates FP are formed. A p type impurity layer PIL is formed along the side wall surface of the deep trench DTC. Between the bottom of the plug PUG and the bottom of the p type impurity layer PIL, the field plate FP and the p type impurity layer PIL are positioned to face each other via an insulating film FIF interposed therebetween. Between the bottom of the p type impurity layer PIL and the bottom of the field plate FP, the field plate FP and an n-type drift layer NDL of the semiconductor substrate SUB are positioned to face each other via the insulating film FIF interposed therebetween.
US11296212B2 Semiconductor device and power conversion device
A current switching semiconductor device to be used in a power conversion device achieves both a low conduction loss and a low switching loss. The semiconductor device includes the IGBT in which only Gc gates are provided and an impurity concentration of the p type collector layer is high, and the IGBT in which the Gs gates and the Gc gates are provided and an impurity concentration of the p type collector layer is low. When the semiconductor device is turned off, the semiconductor device transitions from a state in which a voltage lower than a threshold voltage is applied to both the Gs gates and the Gc gates to a state in which a voltage equal to or higher than the threshold voltage is applied to the Gc gates prior to the Gs gates.
US11296211B2 Method for preparing semiconductor device with annular semiconductor fin
A method for preparing a semiconductor device includes forming a ring structure over a semiconductor substrate, and etching the semiconductor substrate by using the ring structure as a mask to form an annular semiconductor fin. The method also includes epitaxially growing a first bottom source/drain structure within the annular semiconductor fin and a second bottom source/drain structure surrounding the annular semiconductor fin. The method further includes forming a first silicide layer over the first bottom source/drain structure and a second silicide layer over the second bottom source/drain structure. In addition, the method includes forming a first gate structure over the first silicide layer and a second gate structure over the second silicide layer, and epitaxially growing a top source/drain structure over the annular semiconductor fin.
US11296200B2 Semiconductor device
A semiconductor device including one or more transistors is disclosed. The semiconductor device includes a first active region disposed over a well region of a substrate, a plurality of dummy active regions disposed around the first active region, and a gate disposed to traverse the first active region, wherein a portion of the gate is disposed to overlap with at least one of the plurality of dummy active regions and is electrically coupled to the at least one of the plurality of dummy active regions.
US11296198B2 Semiconductor structure with barrier layer and method for forming the same
A method for forming a semiconductor structure is provided. The method includes forming a gate structure over a fin structure, forming a source/drain structure in the fin structure and adjacent to the gate structure, forming a dielectric layer over the gate structure and the source/drain structure, and forming an opening in the dielectric layer to expose the source/drain structure. The method further includes depositing a barrier layer lining a sidewall surface of the opening and a top surface of the source/drain structure. The method further includes etching a portion of the barrier layer to expose the source/drain structure. The method further includes depositing a glue layer covering the sidewall surface of the opening and the source/drain structure in the opening. The method further includes forming a contact structure filling the opening in the dielectric layer. The contact structure is surrounded by the glue layer.
US11296195B2 Semiconductor device manufacturing method
A semiconductor device includes a substrate, an active layer, a source electrode, a drain electrode, a p-type doped layer, a gate electrode, a passivation layer, and a field plate. The active layer is disposed on the substrate. The source electrode, the drain electrode and the p-type doped layer are disposed on the active layer. The p-type doped layer is disposed between the source electrode and the drain electrode, and has a first thickness. The gate electrode is disposed on the p-type doped layer. The passivation layer covers the gate electrode and the active layer. The field plate is disposed on the passivation layer and is electrically connected to the source electrode. The field plate includes a field dispersion portion disposed between the gate electrode and the drain electrode. The passivation layer between the field dispersion portion and the active layer has a second thickness smaller than the first thickness.