最新美国发明专利第2022-09-20期 - 专利汇|PatentHub专利检索|专利查询网|发明专利查询分析

Document	Document Title
US11452250B2	Substrate inspection device that inspects application quality of adhesive A substrate inspection device that is placed on an upstream side of a component mounting machine that mounts an electronic component on solder that is printed on a substrate by a solder printing machine, and that inspects the solder and a thermosetting adhesive applied on the substrate, the substrate inspection device including: an irradiator that irradiates the solder and the adhesive with light; an imaging device that takes an image of the irradiated solder and the irradiated adhesive; and a processor that: generates actual solder position information of a solder group that the electronic component is mounted on based on the image, wherein the solder group includes two or more solders; generates, based on design data or manufacturing data, ideal solder inspection reference information indicating a reference inspection position and/or a reference inspection range of the solder included in the solder group.
US11452244B2	Reverse flow prevention The present concepts maintain forward flow and prevent reverse flow of heat-transferring media. A first zone and a second zone are proximate to each other. A first fan moves air through the first zone in a forward direction. A second fan moves air through the second zone in a forward direction. The speed of the first fan is compared with the speed of the second fan. If the first fan speed is slower than the second fan speed, then the first fan speed is adjusted to match the second fan speed. Therefore, reverse airflow in the first zone is prevented.
US11452239B2	Method for enhancing boiling performance of chip surface The present invention relates to a method for enhancing boiling performance of chip surface comprising steps of mounting a heat pipe directly above the surface of the chip, and forming a porous structure for increasing the vaporization core on an upper surface of the heat pipe. Performing an enhancing treatment in boiling of the upper surface of the heat pipe by mounting the heat pipe directly above the chip makes a temperature field of the boiling surface uniform, increases the boiling area and vaporization core, strengthens the boiling heat transfer, and reduces the core temperature of the chip.
US11452238B2	Fluids for immersion cooling An immersion cooling system includes a housing having an interior space; a heat-generating component disposed within the interior space; and a working fluid liquid disposed within the interior space such that the heat-generating component is in contact with the working fluid liquid. The working fluid comprises a compound having Structural Formula (IA) Each Rf1 and Rf2 is, independently, (i) a linear or branched perhalogenated acyclic alkyl group having 1-6 carbon atoms and optionally contains one or more catenated heteroatoms selected from O or N; or (ii) a perhalogenated 5-7 membered cyclic alkyl group having 3-7 carbon atoms and optionally contains one or more catenated heteroatoms selected from O or N.
US11452234B2	Device for cooling high-performance computers or high-performance circuits, with temperature control A device and a method for cooling one or several high-performance computers or circuits located in one or more housings and including a dual-circuit cooling system. The high-performance computers or circuits are dipped into a dielectric first cooling liquid in a cuboid basin with a completely fluid-tight configuration and a first cooling circuit with a pump is arranged in the basin for the circulation of the first cooling liquid, with the first cooling liquid being forced to flow through the housings of the high-performance computers or circuits during circulation, thus cooling them. In the basin, a heat exchanger, a forward flow and a return flow of a second cooling circuit with the second cooling liquid are accommodated, and the heat exchanger is dipped into the first cooling liquid and the first liquid is cooled by a second cooling liquid.
US11452232B2	Electronic device Provided is an electronic device. The electronic device includes a housing, a heat generating element, a plurality of fans, and a guide structure. The housing includes a first outlet. The heat generating element is disposed in the housing. The fans are disposed in the housing. Each fan includes a second outlet. The second outlets at least partially face the interior of the housing. The guide structure is disposed in the housing, and is at least partially located between the fans. The guide structure at least partially extends toward the first outlet.
US11452228B2	Driver A driver is provided. A driver (1) includes an aluminum substrate (10) to which electronic components (13) are joined, and a resin member (20) that covers the electronic components (13). The resin member (20) has a first resin portion (21) that covers the electronic components (13) and a second resin portion (22) that covers the first resin portion (21). The hardness of the first resin portion (21) is lower than the hardness of the second resin portion (22).
US11452227B2	Power phase module of a converter, converter, and vehicle A power phase module has at least one first DC terminal pair on a face of the power phase module with respective connection elements for connection to a current bar pair. The power phase module further has a first DC capacitor terminal pair on the face being spaced apart from the first DC terminal pair and connected in parallel with it and having respective connection elements for connection to an intermediate circuit capacitor module associated with the power phase module. The power phase module further has a first AC terminal on another side of the power phase module and a switching device connected with the first AC terminal and the first DC terminal pair for converting a direct voltage. The power phase module further has a cooling device to carry heat out of the power phase module. Further proposed are a converter and a rail vehicle with a converter.
US11452225B2	Fin frame assemblies A fin frame baseplate is disclosed. Specific implementations include a baseplate configured to be coupled to a substrate, a fin frame including a base portion coupled to the baseplate, and a plurality of fins extending from the base portion, the plurality of fins protruding from the base portion. The fin frame may include a plurality of openings therethrough.
US11452222B1	Glare reduction shield A system for a glare reduction shield including an attaching assembly and a shield hood assembly is disclosed. The attaching assembly includes an attaching member which engages a top portion of a thermometer. Secured to the attaching member, with a hinge mechanism, is a shield hood of the shield hood assembly. The hinge mechanism is defined by a spring housing and a spring movably secured within the spring housing. The shield hood includes a lowered and raised configuration. The shield hood is used in the lowered configuration to block sunlight glare on a display screen of the thermometer for ease of viewing. The shield hood is rotated away from the attaching member about the hinge mechanism to achieve the lowered configuration. The shield hood is in the raised configuration when stored. The shield hood is rotated towards the attaching member about the hinge mechanism to achieve the raised configuration.
US11452221B2	Latch mechanism A latch mechanism includes an elastic piece, a positioning member and an operation member. The elastic piece has a positioning end and an immobile end fixed at a sliding member. The positioning member has a positioning portion. The operation member is provided at the positioning member. The positioning end is pressingly secured at the positioning portion to block a linear sliding movement of the sliding member. The operation member is slid to push the elastic piece and drive the positioning end to depart the positioning portion, further allowing the linear sliding movement of the sliding member. The latch mechanism prevents a battery from being accidentally separated from an electronic device caused by an impact or falling off of the electronic device.
US11452219B2	Customizable marketing apparatus Embodiments are directed to systems, apparatuses, and methods for personalizing marketing materials such as video brochures. In one aspect, an electronic marketing system is provided that includes an electronic display device and a housing. A window is cut into the housing, allowing the electronic display to be seen through at least a portion of the housing. A second window provides a view of an insert in the housing.
US11452216B2	Method for manufacturing multilayer printed wiring board A first stack is formed by stacking a first sheet of metal foil, a first prepreg, and a second sheet of metal foil, one on top of another. The first prepreg is thermally cured by thermally pressing these members to make a double-sided metal-clad laminate. Conductor wiring is formed by partially removing the first sheet of metal foil from the double-sided metal-clad laminate to make a printed wiring board. After a third sheet of metal foil has been preheated, the conductor wiring of the printed wiring board, a second prepreg, and the third sheet of metal foil are stacked one on top of another and thermally pressed together. The first insulating layer has a lower linear expansion coefficient than any of the first sheet of metal foil or the second sheet of metal foil does.
US11452206B2	Card-type solid state drive A card-type solid state drive (SSD) including: a substrate that has a first surface and a second surface facing each other; a memory controller and a nonvolatile memory device that are on the first surface; a plurality of functional terminals on the second surface; and a plurality of thermal terminals on the second surface, wherein the functional terminals include first-row functional terminals, second-row functional terminals, and third-row functional terminals, wherein at least one of the first-row functional terminals, at least one of the second-row functional terminals, and at least one of the third-row functional terminals are electrically connected to the memory controller or the nonvolatile memory device, and wherein the thermal terminals are not electrically connected to the memory controller or the nonvolatile memory device.
US11452205B2	Ultrasonic probe, and ultrasonic transmitter-receiver system using the same Provided is an ultrasonic probe having ultrasonic elements and a printed-circuit board that establishes connection between the ultrasonic elements and external wiring, achieving strong connection between the ultrasonic elements and the printed-circuit board mechanically and electrically, and thereby improving performance in examination and diagnosis using the ultrasonic probe. The printed-circuit board with pads each having a via-hole to be bonded to electrode pads of a chip equipped with the ultrasonic elements, is provided with a reinforcement, in an area of the base material where the pad having the via-hole is not formed. The reinforcement is formed simultaneously with forming the pads and wiring on the printed-circuit board, having the same thickness as the pads. With the reinforcement, pressure is evenly applied to the printed-circuit board when the electrode pad is press-fitted into the pad having the via-hole, thereby preventing warping and deforming of the board.
US11452203B2	Wiring assembly board A wiring assembly board for assembling a wire harness. The wire harness comprises a plurality of wires connected between a plurality of wiring connectors, each connector comprising an array of wire terminals. The wiring assembly board comprises an assembly surface and a plurality of test connectors provided on the assembly surface. Each test connector is for connection to a respective wiring connector and comprises an array of test terminals for establishing an electrical connection with the respective array of wire terminals once the wiring and test connectors have been connected. A microcomputer is associated with each test connector and comprises an interface for individually transmitting or receiving test signals though each test terminal of the respective test connector.
US11452202B2	Radio frequency filtering of printed wiring board direct current distribution layer A method of fabricating a printed wiring board (PWB) includes etching traces to carry direct current (DC) on a first surface of a first epoxy-based layer. The first epoxy-based layer includes radio frequency (RF) absorber material. The method also includes arranging a second epoxy-based layer. The second epoxy-based layer includes the RF absorber material and includes a first surface in contact with the first surface of the first epoxy-based layer such that the traces are sandwiched between the first epoxy-based layer and the second epoxy-based layer.
US11452201B2	Electronic device and connecting component To provide an electronic device and a connecting component which have a shield function and which enable downsizing. The electronic device includes: a substrate having a first substrate portion and a second substrate portion that is arranged at a position facing the first substrate portion; a plurality of potential wirings which are connected to the first substrate portion and to the second substrate portion and which have an arbitrary potential; and a plurality of signal wirings which are connected to the first substrate portion and to the second substrate portion and to which a signal is supplied. The first substrate portion has a mounting region of an electronic component on a side of a surface facing the second substrate portion. The plurality of potential wirings are arranged outside of the mounting region.
US11452200B2	Flexible circuit board including bending part with improved shielding properties and manufacturing method thereof An antenna carrier includes a flexible circuit board, the flexible circuit board comprising: a first dielectric formed to include a width direction and a length direction; a first signal line positioned on one side in the width direction of an upper surface or a lower surface of the first dielectric; a second signal line spaced apart from the first signal line to the other side in the width direction and positioned on the upper surface or the lower surface of the first dielectric; a second dielectric positioned on one side in the width direction above the first dielectric and having the first signal line positioned below the second dielectric; a third dielectric spaced apart from the second dielectric to the other side in the width direction and positioned below the first dielectric, and having the second signal line positioned above the third dielectric; a first ground; and a second ground.
US11452196B2	EUV chamber apparatus, extreme ultraviolet light generation system, and electronic device manufacturing method An EUV chamber apparatus includes: a chamber; a target generation unit configured to output a target toward a predetermined region inside the chamber; a gas nozzle through which gas is supplied into the chamber; and a shroud including a first flow path through which a first cooling medium circulates and surrounding at least part of the trajectory of the target inside the chamber.
US11452192B2	Central server and dramatic performance system including same A central server according to an embodiment of the present invention may comprise a database which stores library data corresponding to a library to be executed in a lighting device, a communication unit which transmits the library data to a mobile terminal of a user, and a processor which acquires a seat layout map of a performance hall and provides directing data including information on a color pattern that each of a plurality of pixels constituting the seat layout map has to express to each pixel.
US11452176B1	Smart distributed antenna systems, platforms, and methods A platform hosting a smart distributed antenna system (sDAS) includes a multi-radio access technology (multi-RAT) digital unit (DU) (mDU). The mDU includes a radio management unit (RMU) configured as a software multiplexer enabling broadcast of multiple technologies from a single radio and a single mDU, a field programmable gate array (FPGA) coupled to the RMU and receiving signals digitized in the mDU from analog signals from a wireless carrier, and the FPGA maps received and digitized signals to frequency bands. An optical fiber interface is coupled to the FPGA, in which mapped digital signals are provided to more remote radio units over an optical fiber cable. The radio units are coupled to the mDU through only a single optical fiber interface using a daisy-chain configuration. Each radio unit de-maps received digital signals to a specified frequency, converts de-mapped digital signals to radio frequency signals, and provides the signals to a distributed antenna for broadcast.
US11452168B2	Resource management, access control and mobility for grant-free uplink transmission Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a connection release message, the connection release message including a resource indicator indicating that a set of resources are to be used for grant-free uplink transmissions by the UE while operating in a disconnected state. The UE may transition from a connected state to a disconnected state based at least in part on the connection release message. The UE may perform, while operating in the disconnected state, the grant-free uplink transmissions using the set of resources.
US11452167B2	Methods and apparatus to selectively monitor uplink preemptive indication for supplementary uplink and non-supplementary uplink carriers Aspects are provided allowing for selective monitoring of uplink cancellation indication (ULCI) occasions by UEs and allowing UEs to determine from ULCI whether canceled uplink transmission are carried on non-supplementary uplink (NUL) carriers or supplementary uplink (SUL) carriers. A UE may determine not to monitor a ULCI occasion if it does not have an uplink transmission which can be punctured by higher priority data. When the uplink transmission is dynamically scheduled, the UE may determine to monitor a ULCI occasion if the UE receives the uplink grant a certain number of symbols earlier than the ULCI occasion. The base station may configure blocks in downlink control information to indicate the UE should apply ULCI to SUL and/or NUL. The base station may configure the UE to perform different behaviors after receiving a ULCI depending on whether the portion of the uplink transmission to be canceled is on SUL or NUL.
US11452166B2	Discontinuous reception operation for new radio multicast communications Methods, systems, and devices for wireless communications are described. A communication device, such as a user equipment (UE) may receive, in an active duration of a multicast discontinuous reception (DRX) cycle, downlink control information indicating resources of a downlink data channel for a multicast message for a plurality of UE. The UE may monitor the indicated resources for the multicast message, as well as transmit, based on the monitoring the indicated resources, a feedback message corresponding to the multicast message. The UE may initiate a multicast feedback timer based on the monitoring the indicated resources for the multicast message, the multicast feedback timer indicating a time for monitoring for a retransmission of the multicast message. The multicast feedback timer may be different than a unicast feedback timer associated with unicast messages for the UE. In some examples, the UE may initiate a multicast retransmission timer following the multicast feedback timer. The multicast retransmission timer may be different than a unicast retransmission timer associated with the unicast messages.
US11452165B2	Discontinuous reception techniques with non-uniform cycle durations Methods, systems, and devices for wireless communications are described for configuring discontinuous reception (DRX) cycles within a DRX time period at a user equipment (UE). DRX configurations may provide that different DRX cycles have non-uniform cycle durations within the DRX time period. Such non-uniform cycle durations may provide DRX ON-durations that are aligned with a periodicity of downlink traffic to the UE in which the downlink traffic may be unaligned with timing boundaries used for wireless communications between the UE and a base station, such as slot boundaries or symbol boundaries.
US11452164B2	Time interval between two subsequent transmission occasions of a periodic resource allocation A base station transmits a radio resource control message. The radio resource control message comprises a periodicity parameter indicating a number of symbols for a periodic resource allocation. A downlink control information indicating activation of the periodic resource allocation is transmitted. The downlink control information comprises one or more fields indicating a numerology. The numerology indicates a symbol duration. Transport blocks are received via resources associated with the periodic resource allocation. A time interval between two subsequent transmission occasions of the periodic resource allocation is determined based on the symbol duration and the number of symbols.
US11452161B2	Packet data network connection re-establishment This disclosure relates to techniques for a wireless device to re-establish a packet data network connection. The wireless device may establish a packet data network connection via a cellular link with a cellular base station. Information identifying a bearer associated with the packet data network connection may be stored by the wireless device. The wireless device may determine whether the bearer associated with the packet data network connection is active. The packet data network connection may be released by the wireless device and the wireless device may attempt to re-establish the packet data network connection if the bearer associated with the packet data network connection is determined to not be active.
US11452158B2	Dual-network dual-system mobile device A dual-network dual-system mobile device is provided in the disclosure. The mobile device includes a mobile network module, a transfer station module, two computer modules, a switch module, a human-machine interface (HMI), and a casing. The HMI is configured to interact with one computer module and to receive a real-time notification from another computer module. The transfer station module respectively establishes two network channels with two access points through the mobile network module and mobile network. The two network channels are isolated virtually from each other.
US11452157B2	Communication connection control in a non-homogenous network scenario An apparatus for use by a first communication network control element configured to control a communication connection of at least one communication element in a first network area providing a specific communication capability, the apparatus including processing circuitry, and memory for storing instructions to be executed by the processing circuitry, wherein the memory and the instructions are configured to, with the processing circuitry, cause the apparatus at least: to determine that a communication element communicating in the first network area and using the specific communication capability enters a second network area which does not provide the specific communication capability and that there is a switching of the communication connection to the second network area, and to cause sending of connection switching information related to the switching of the communication connection of the communication element to a second communication network control element.
US11452156B2	Configuration system, client device, embedded device configuration method, and storage medium The present disclosure discloses a configuration system, comprising: a client device, an embedded device, and a router. The client device is configured to establish a first connection with the embedded device in a point-to-point wireless connection mode, acquire access information of the router, and send the access information to the embedded device. The embedded device is configured to establish, according to the access information, a second connection with the router in a Wi-Fi mode while maintaining the first connection with the client device. The present disclosure also discloses a client device, an embedded device configuration method, and a computer readable storage medium.
US11452154B2	Indication method and related device An indication method includes: receiving, by first user equipment, a first message sent by second user equipment, where the first message includes information indicating that the second user equipment supports an evolved user equipment-to-network relay function; and receiving, by the first user equipment, a second message sent by a network device, where the second message includes information indicating that the network device supports an evolved user equipment-to-network relay, or the second message includes information indicating that a cell in which the network device sends the second message supports an evolved user equipment-to-network relay.
US11452151B2	Application function implementation method and electronic device Embodiments of this application disclose an application function implementation method, so as to resolve a problem of low use efficiency of an electronic device. A first electronic device establishes a first wireless link through a first wireless communications protocol, displays a screen that includes a first control, receives an operation performed on the first control, displays a shortcut menu that includes a second control, receives an operation performed on the second control, displays a list that includes an identifier of a second electronic device, receives an operation performed on the identifier, establishes a second wireless link to the second electronic device through a second wireless communications protocol, where the first electronic device and the second electronic device are associated with each other, and sends first information that includes to-be-shared data and an identifier to the second electronic device through the second wireless link.
US11452141B2	Techniques for formatting random access messages in wireless communications Aspects described herein relate to transmitting, to a base station, a random access message in a two-step random access procedure, and receiving, from the base station, a response message for the random access message in the two-step random access procedure, wherein the response message is formatted based at least in part on at least one of a use case associated with the random access message and whether the random access message is successfully received.
US11452140B2	Random access method, user equipment and base station The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a random access method, including: acquiring configuration information, transmitting a first message including a preamble and an uplink shared channel according to the configuration information, and receiving a second message including contention resolution information from a base station.
US11452125B2	Information sending and information determining method and apparatus This application relates to the field of wireless communications, and in particular, to an information sending method and apparatus, and an information determining method and apparatus. This application provides an information sending method, including: determining, by a terminal device, a first time length corresponding to first information, where the first information is information about a data transmission resource; and sending, by the terminal device, a scheduling request on a first resource, where a time length of the first resource is equal to the first time length, and the scheduling request is used to request the data transmission resource.
US11452124B2	Uplink channel scheduling to retain channel occupancy for unlicensed wireless spectrum A technique includes receiving, by a user device, a configuration of a set of one or more resources for an uplink channel to be used for transmission by the user device in a slot prior to a short physical uplink control channel of the slot; receiving, by the user device, a downlink control information including a downlink assignment for a downlink channel; identifying, by the user device based on the downlink assignment, a resource of the set of one or more resources for the uplink channel, and a physical uplink control channel; and transmitting, by the user device, a signal via the identified resource for the uplink channel, prior to the short physical uplink control channel of the slot.
US11452123B2	Uplink control information multiplexing with dynamic physical uplink shared channel skipping Certain aspects of the present disclosure provide techniques for sending uplink control information. A method that may be performed by a user equipment (UE) includes receiving an uplink grant for transmission on a plurality of physical uplink shared channels (PUSCHs), the plurality of PUSCHs being located on different component carriers (CCs); identifying one or more PUSCHs of the plurality of PUSCHs on which uplink control information (UCI) can be transmitted in a slot; assigning PUSCH data to the one or more identified PUSCHs on which the UCI can be transmitted before assigning PUSCH data to remaining PUSCHs of the plurality of PUSCHs; and transmitting the UCI and the PUSCH data in the slot on the assigned PUSCHs.
US11452115B2	User equipment (UE) and methods for vehicle-to-vehicle (V2V) sidelink communication in accordance with a short transmission time interval (TTI) Embodiments of a User Equipment (UE) and methods for communication are generally described herein. The UE may select, from a plurality of short transmission time intervals (TTIs), a short TTI for a vehicle-to-vehicle (V2V) sidelink transmission by the UE. The short TTIs may occur within a legacy TTI. The short TTIs may be allocated for V2V sidelink transmissions by non-legacy UEs. The legacy TTI may be allocated for V2V sidelink transmissions by legacy UEs. The UE may transmit, in accordance with the legacy TTI, a legacy physical sidelink control channel (PSCCH) to indicate, to legacy UEs, the V2V sidelink transmission by the UE. The UE may transmit, in accordance with the selected short TTI, a short PSCCH (sPSCCH) to indicate, to non-legacy UEs, the V2V sidelink transmission by the UE.
US11452114B2	Wireless communication control device, wireless communication control method, wireless communication device, and wireless communication method The present disclosure relates to a wireless communication control device, a wireless communication control method, a wireless communication device, and a wireless communication method enabling low latency wireless communication to be achieved.A calculation unit calculates allowable resource occupancy time in a wireless communication network to which an own device belongs in response to a low latency request for data generated in the wireless communication network, and a wireless communication unit notifies a wireless communication device in the wireless communication network of the allowable resource occupancy time calculated. The technology according to the present disclosure can be applied to a wireless LAN system.
US11452110B1	Network channel selection for device with co-located radio transmitters and receivers A system and method for network channel selection is provided. A device includes WIFI, ZIGBEE, and BLUETOOTH communication controllers. The device's processor is configured to determine, using the communication controllers, a WIFI channel designated for communications and a first set of ZIGBEE channels designated for communications. The processor is configured to determine that a number of available BLUETOOTH channels that do not overlap the WIFI channel or any in-use ZIGBEE channels is less than a threshold number of BLUETOOTH channels required for communication using a BLUETOOTH protocol. The processor then determines the WIFI channel has a minimum duty cycle from among duty cycles of the WIFI channel and each ZIGBEE channel, determines a first BLUETOOTH channel that at least partially overlaps the WIFI channel, and causes the BLUETOOTH communication controller to transmit data using the first BLUETOOTH channel.
US11452104B2	Frequency spectrum management apparatus and method, frequency spectrum coordination apparatus and method, and electronic device The frequency spectrum management apparatus includes a processing circuit, and the processing circuit is configured to: determine, in response to a frequency spectrum resource request from one or more secondary systems, available frequency spectrum information about each secondary system; determine, according to frequency spectrum management information from the one or more secondary systems, a managed secondary system managed by a frequency spectrum coordination apparatus and a non-managed secondary system not managed by the frequency spectrum coordination apparatus; determine, based on system information about the managed secondary system, a non-managed secondary system, the interference thereof with respect to the managed secondary system exceeding a predetermined threshold value, to be an interference secondary system; and acquire system information, about the interference secondary system, to be sent to the frequency spectrum coordination apparatus, so that the frequency spectrum coordination apparatus coordinates the frequency spectrum usage of the managed secondary system.
US11452099B2	User terminal and radio communication method A user terminal, according to the present invention, has a receiving section that receives resource information, which indicates a single or a plurality of uplink control channel resources, per configuration identifier related to channel state information (CSI) reporting, and a control section that selects an uplink control channel resource to use to transmit a plurality of CSIs, based on the resource information.
US11452092B2	Method for reporting channel state information in wireless communication system, and apparatus therefor In the present invention a method for a terminal to report channel state information (CSI) in a wireless communication system is disclosed. More specifically, the method comprises: configuring a plurality of mini-slot sets that are included in slot N−k as a reference resource; and simultaneously reporting to a base station all CSI for the respective plurality of mini-slot sets that are generated based on the reference resource within slot N, wherein the plurality of mini-slot sets comprise a plurality of mini-slots, and wherein k is an integer that is configured by the base station.
US11452088B2	Method and apparatus for confirmation of multiple configured grants for sidelink in a wireless communication system A method and apparatus for confirmation of multiple configured grants for sidelink in a wireless communication system is provided. A wireless device receives activation command or deactivation command on Physical Downlink Control Channel (PDCCH) for at least one of the multiple configured grants. A wireless device receives transmits, to the network, a confirmation Media Access Control (MAC) Control Element (CE). The confirmation MAC CE includes one or more fields in a bit group of which size is equal to number of the multiple configured grants. Each field in the bit group is set to (i) zero to indicate deactivation for each of the multiple configured grants or (ii) 1 to indicate activation for each of the multiple configured grants. Each field in the confirmation MAC CE except the bit group is ignored.
US11452083B2	Method of transmitting and receiving downlink signal in wireless communication system and apparatus therefor According to one embodiment of the present invention, a method of receiving a downlink signal, which is received by a user equipment in a wireless communication system, includes the steps of receiving a TxPowerResourceConfigList for a user equipment which is not configured with a transmission mode 10 and one or more zeroTxPowerResourceConfigLists and receiving a DCI (downlink control channel) including a PRI (PDSCH RE mapping indicator). In this case, the user equipment can recognize whether a PDSCH (physical downlink shared channel) is mapped to REs (resource elements) to which a CSI-RS is transmittable using the one or more zeroTxPowerResourceConfigLists and the PRI.
US11452076B2	Device for obtaining permission to use a radio frequency (RF) resource A device obtains permission to use a Radio Frequency (RF) resource to transmit/receive data. The device comprises a transceiver and a processor that: controls the transceiver to communicate with a RF resource allocation system over the RF resource to determine whether the device can use the RF resource; while the transceiver communicates with the RF resource allocation system, repeatedly determines whether a cumulative use of the RF resource satisfies a condition until the processor determines that the cumulative use satisfies the condition or the device is permitted to use the RF resource; upon the processor determining that the cumulative use satisfies the condition, control the transceiver to not communicate with the RF resource allocation system over the RF resource for a period of time; and upon determining that the device is permitted to use the RF resource, controls the device to use the RF resource to transmit/receive the data.
US11452074B2	Method and device used in node for wireless communication The disclosure provides method and device used in node for wireless communications. A first node receives first information, the first information indicating a first symbol set; transmits a first signaling in a first symbol group; and transmits a first radio signal in a second symbol group; the first symbol group belongs to the first symbol set; the first signaling indicates the second symbol group; at least one multicarrier symbol in the second symbol group belongs to the first symbol set, and at least one multicarrier symbol in the second symbol group does not belong to the first symbol set; a first bit sequence is used to generate the first radio signal, and the first bit sequence comprises a first bit sub-sequence and a second bit sub-sequence. The present disclosure offers an effective solution to dealing with the impact of a dynamic slot format on sidelink transmission in NR system.
US11452073B2	Systems and methods for automatically assigning voice communication channels to employees in quick service restaurants Systems and methods for assigning voice communication channels used by a crew of employees using communication devices are disclosed. Exemplary implementations may: electronically store information, wherein the information represents associations of individual voice communication channels with one or more communication groups; receive user input that identifies employees, automatically determine sets of communication channel assignments per communication device, between communication channels and subsets of communication groups; configure communication devices according to the determined assignments; and facilitate packet-based communication, using the communication channels, between the communication devices.
US11452069B2	Communication method and communications device This application provides a communication method and a communications device. The method includes: receiving, by an access network device from a core network device, a first group identifier of a first terminal group and an identifier of a terminal included in the first terminal group; and sending, by the access network device, the first group identifier and a second group identifier of the first terminal group to the terminal included in the first terminal group. The first group identifier and the second group identifier are used to indicate a paging occasion for the first terminal group, and a paging message for the first terminal group is transmitted on a first physical channel. The technical solutions in the embodiments of this application can improve system efficiency.
US11452067B2	Secure paging for service prioritization This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for encrypting paging information transmitted to a user equipment (UE) in a paging message. In one aspect, a base station (BS) encrypts paging information and transmits a paging message to one of a UE or another BS for transmission to the UE. The paging message includes the encrypted paging information. A UE receives the paging message from a BS including the encrypted paging information. The UE decrypts the encrypted paging information to identify paging information, and determines whether to communicate with the BS based on the paging information. The paging information may be encrypted and the encrypted paging information decrypted based on information configured or obtained during at least one of a registration procedure or a radio access network (RAN)-based Notification Area Update (RNAU). Confidentiality of paging information in paging messages may thereby be improved.
US11452061B2	Support of control plane positioning methods with a user plane location solution A user equipment (UE) and a Secure User Plane Location (SUPL) Location Platform (SLP) support a SUPL positioning session for at least one uplink or uplink-downlink position method, such as uplink Angle of Arrival or multi-Round Trip Time. To support SUPL positioning for uplink or uplink-downlink position methods, the UE provides an identifier for a serving Access and Mobility Management Function (AMF) and an identifier for the UE to the SLP in a SUPL message. The SLP may exchange positioning messages with a serving base station for the UE using the identifier for the serving AMF and the identifier for the UE. The exchange of positioning messages may enable the SLP to request the serving base station to instigate transmission of uplink positioning reference signals by the UE which may be a key enabler for an uplink or uplink-downlink position method.
US11452058B2	Apparatus and method for cell detection by combining secondary spreading sequences An apparatus is provided. The apparatus includes a processor configured to receive a synchronization signal (SS) and identify timing of the SS based on a primary spreading signal (PSS) in the SS, identify tentative secondary spreading signals (SSSs) based on the identified timing, and group the tentative SSSs; a register configured to receive the SS; and a memory configured to store the tentative SSSs for each group of the tentative SSSs; wherein the processor is further configured to cross correlate the tentative SSSs, combine cross correlated outputs with weights by group, determine an SSS as the tentative SSS with a maximum combined cross correlation outputs, and determine a cell identification based on the determined SSS.
US11452054B2	Method for signal transmission, network device and terminal device Embodiments of the present invention provide a method for signal transmission, a network device and a terminal device. The method for signal transmission comprises: a network device sends a plurality of synchronization signals within one synchronization signal period; the terminal device detects the plurality of synchronization signals sent by the network device within one synchronization signal period; and the network device sends a broadcast channel corresponding to the plurality of synchronization signals or other signals, and the terminal device detects, according to the detected plurality of synchronization signals, the broadcast channel corresponding to the plurality of synchronization signals and sent by the network device, or other signals sent by the network device. By means of the method for signal transmission, the network device and the terminal device, the signal detection performance of the terminal device can be improved.
US11452053B2	Signal sending method, signal receiving method, and device A signal sending method, a signal receiving method, and a device are disclosed. The signal sending method includes: determining, by a network device, an SSB and indication information, where the indication information is used to indicate that a frequency location of the SSB is one of frequencies in a frequency set, and the frequency set includes a first frequency and a second frequency, or includes a first frequency, a second frequency, and a third frequency; and sending, by the network device, the SSB and the indication information to a terminal device.
US11452052B2	Power control method, first communication node, and second communication node Disclosed are a power control method, a first communication node and a second communication node. The power control method includes: configuring, by a first communication node, an association between a power control parameter and reference signal information; and configuring or indicating, by the first communication node, a reference signal of a transmission for a second communication node, so that the second communication node determines a power control parameter of the transmission according to the reference signal of the transmission and the association.
US11452051B2	Method and device for reporting a power headroom report The present invention provides a method and device for reporting a Power Headroom Report (PHR), comprises: based on the type of PUCCH to be transmitted, determining the type of the PHR; based on the type of PHR, determining a corresponding power headroom and reporting the PHR. By applying this technical solution, the base station can acquire the power headroom in the power headroom report after acquiring the power headroom report, and then be aware of the usage of power for transmitting Physical Uplink Control Channel (PUCCH) from User Equipment (UE) based on the acquired power headroom, thereby, the base station can configure the number of serving cells and the feedback mode of Channel State Information (CSI) better based on the usage of power for transmitting PUCCH; meantime, the base station determines whether or not to bind the Hybrid Automatic Retransmission Request—Acknowledgement (HARQ-ACK).
US11452050B2	Communication circuit and control method for communication circuit A communication circuit includes a first transfer circuit that includes a first transmitter circuit, and a second transfer circuit that includes a second transmitter circuit that can transmit a signal simultaneously with the first transmitter circuit. The second transmitter circuit is configured to be placed in a transmission halt state when transmission power of the second transmitter circuit resulting from being decreased by a predetermined value is lower than or equal to a threshold.
US11452049B2	Power sharing method and apparatus This application provides a power sharing method and apparatus. The method includes: estimating a first transmit power based on a traffic volume of terminal devices to be scheduled in a first carrier in a first scheduling period, where the first transmit power is a transmit power required in the first carrier to schedule the to-be-scheduled terminal devices in the first scheduling period; and estimating a second transmit power based on the first transmit power and an initially configured transmit power of the first carrier, where the second transmit power is a remaining transmit power of the first carrier in the first scheduling period. According to the power sharing method and apparatus provided in this application, a remaining transmit power of a carrier in a scheduling period is estimated based on the traffic volume of the to-be-scheduled terminal devices, thereby improving accuracy of transmit power sharing.
US11452048B2	Dynamic power control with priority indications Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify one or more overlaps between a first set of uplink transmissions on one or more master cell groups (MCGs) and a second set of uplink transmissions on one or more secondary cell groups (SCGs), wherein the first set of uplink transmissions are associated with respective first priority levels and the second set of uplink transmissions are associated with respective second priority levels; determine a power sharing configuration for the first set of uplink transmissions and the second set of uplink transmissions; and drop one or more transmissions, of at least one of the first set of uplink transmissions or the second set of uplink transmissions, based at least in part on the respective first priority levels and the respective second priority levels. Numerous other aspects are provided.
US11452046B2	Transmit power control for positioning using non-serving cells Methods, systems, and devices for transmit power control for positioning using non-serving cells are described. A user equipment (UE) may determine that an uplink reference signal may be associated with a positioning procedure. In some cases, the positioning procedure may include transmission, by the UE, of the reference signal to a non-serving cell, which may be farther away from the UE than a serving cell. The UE may determine an absence of a parameter associated with a transmit power for transmitting the reference signal. Based on the absence, the UE may determine the transmit power based on parameters received from a serving cell, based on configuration information, based on a message intercepted from the non-serving cell, or based on other considerations or information. In some cases, the UE may determine the transmit power such that the likelihood of the non-serving cell receiving the reference signal is increased.
US11452044B2	Power management of an IoT tracker Techniques described herein may be used to conserver battery power of an Internet of Things (IoT) tracker by increasing the overall amount of time that the IoT tracker is in a battery conservation mode (a sleep mode, a Power Save Mode (PSM), etc.). An IoT tracker may implement a battery conservation policy that may include instructions that cause the IoT tracker to monitor certain conditions, determine when the conditions satisfy a particular trigger, and implement a battery conservation mode in response to those conditions. Examples of such conditions may include (1) the IoT tracker being close to a user device designated to track the location of the IoT tracker, (2) identifying that a current time and day are associated with a pre-selected schedule for disabling tracking services, (3) the IoT tracker being located within a particular geographic area, and more.
US11452043B2	Power enhancement techniques for vehicle-to-pedestrian wireless communication systems Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a wake up time period corresponding to a wake up cycle, transmit a message that includes an identifier of the UE within a first resource pool during a first portion of the wake up time period based on the wake up cycle, and monitor for a paging signal from a vehicle UE during a paging occasion of the wake up time period based on transmitting the message. A vehicle UE may identify a wake up configuration for a wake up time period, receive, within a first portion of the wake up time period, a message within a resource pool that includes the identifier of the UE. The vehicle UE may transmit a paging signal within a paging occasion of the wake up time period.
US11452041B2	UE and base station PAPR report A configuration for optimized UE power efficiency based on a PAPR report. The apparatus establishes a connection with a base station. The apparatus transmits, to the base station, a PAPR report indicating one or more parameters to adjust the PAPR of each ADC of the UE. The apparatus receives, from the base station, a downlink signal based on the PAPR report of the UE.
US11452034B2	Distance-based serving cell selection for communications between an aerial vehicle and a cellular radio access network A method of communicating between an aerial vehicle and a cellular radio access network is described. In some cases, the method includes determining a current location of the aerial vehicle; determining, in response to the current location, a location of a nearest cell of the cellular radio access network; and processing communications between the aerial vehicle and the cellular radio access network, using the nearest cell as a serving cell. When the method is performed on-board an aerial vehicle, the method further includes orienting a directional antenna of the aerial vehicle toward the location of the nearest cell.
US11452033B2	Variable wireless beaconing based on system context A processor determines whether an information handling system is in a first state and directs a wireless data communication interface to provide a first connection beacon at a first rate based upon the information handling system being in the first state. The processor further determines whether the information handling system is in a second state and directs the first wireless data communication interface to provide the first connection beacon at a second rate based upon the information handling system being in the second state.
US11452032B2	Methods and devices for radio communications A circuit arrangement includes a preprocessing circuit configured to obtain context information related to a user location, a learning circuit configured to determine a predicted user movement based on context information related to a user location to obtain a predicted route and to determine predicted radio conditions along the predicted route, and a decision circuit configured to, based on the predicted radio conditions, identify one or more first areas expected to have a first type of radio conditions and one or more second areas expected to have a second type of radio conditions different from the first type of radio conditions and to control radio activity while traveling on the predicted route according to the one or more first areas and the one or more second areas.
US11452028B2	Wireless network pairing for wireless electric vehicle charging A vehicle is paired to a selected wireless charging station of a plurality of wireless charging stations by joining the vehicle to a first wireless network provided by a central access point, assigning a channel to use for pairing the vehicle to the selected wireless charging station by a network manager, transmitting a channel identifier to the vehicle over the first wireless network, and transmitting the channel identifier to the plurality of wireless charging stations. The vehicle then configures a beacon device coupled to the vehicle to use the assigned channel and moves into proximity of the selected wireless charging station. The selected wireless charging station detects a beacon signal of the beacon device, confirms that the beacon signal is using the identified channel, and transmits information identifying a second wireless network to the vehicle. The vehicle can then join the second wireless network using the transmitted information.
US11452026B2	Method and device for transmitting data by means of wireless backhaul network Embodiments of the present application provide a method and device for transmitting data by means of a wireless backhaul network, for use in solving the problem in the prior art of inability to implement data transmission of a 5G wireless backhaul network due to that there is no network architecture for the 5G wireless backhaul network at present. In the embodiments of the present application, a terminal is connected to a wired backhaul access station by means of at least one path corresponding to a bearer, and transmits data with the wired backhaul access station by means of the at least one path; there is at least one wireless backhaul access station on any one path, each air interface of the terminal, the wired backhaul access station, and the wireless backhaul access station respectively corresponds to an underlying protocol combination, and the underlying protocol combination comprises an RLC layer, a MAC layer, and a PHY. The embodiments of the present application provide a network architecture for a 5G wireless backhaul network; a terminal transmits data with a wired backhaul access station by means of at least one path to implement data transmission of the 5G wireless backhaul network, so that the performance of the 5G wireless backhaul network is improved.
US11452025B2	Predictive routing for mobility A method of utilizing a list of predictive paths by a map-server. The method includes receiving the list of predictive paths, storing the list of predictive paths in a memory, receiving, from a first network element, a request for a location of a user device, the request related to transmitting a packet to the user device, and transmitting, to the first network element, a plurality of user locations based on the list of predictive paths, the plurality of user locations identifying where a second user device will transmit the packet when the packet is received by the second user device.
US11452022B2	System and method for connection and hand-over management across networks and SSIDs Systems, methods, and devices for steering an IEEE 802.11 station (STA) using a cloud server are disclosed herein. There may be a plurality of IEEE 802.11 access points (AP)s, where at least one AP of the plurality of APs operate at least a first virtual network. One or more APs of the plurality of APs may run a Client Steering Daemon (CSD) configured to perform unassociated STA monitoring that produces a log of data that may be sent to the cloud server on a regular or dynamic basis. The cloud server may receive the log data and transmit a signal to at least one of the APs of the plurality of APs to enable it to steer the STA between the first virtual network and a second virtual network.
US11452020B2	Maintaining internet protocol address for network traffic during handover procedure In one example, a User Plane Function (UPF) in a Visited Public Land Mobile Network (V-PLMN) that includes a first network and a second network obtains network traffic from user equipment via the first network. The UPF provides the network traffic obtained via the first network to a data network with an Internet Protocol (IP) address allocated to the network traffic obtained from the user equipment. In response to a handover of the user equipment from the first network to the second network, the UPF obtains the network traffic from the user equipment via the second network. The UPF provides the network traffic obtained via the second network to the data network with the IP address.
US11452018B2	Systems and methods for small cell uplink interference mitigation Systems and methods for facilitating the mitigation of interference in the uplink of a small cell caused by macrocell user equipment in the case where the macrocell cannot identify the interfering macrocell user equipment because the user equipment cannot detect and report the small cell's downlink due to the small cell's uplink/downlink coverage imbalance. In an embodiment, the small cell provides the macrocell with a notification of the interference, the configuration information about its Physical Random Access Channel (PRACH), and a plurality of unique preambles and transmission times for non-contention-based transmissions on the small cell's PRACH. The macrocell orders each of one or a plurality of macrocell user equipment to transmit one of the unique preambles on the small cell's PRACH. The small cell reports to the macrocell the detected preamble transmissions, which allows the macrocell to identify interfering user equipment and perform corrective actions.
US11452016B2	Dual-protocol for mobility enhancement Apparatus and methods are provided to reduce mobility interruption time through dual-protocol stacks for mobility enhancement. In novel aspect, the UE configures a target protocol stack for a target gNB upon receiving a reconfiguration message from a source gNB, performs random access procedure and establishes RRC connection with the target gNB through the target protocol stack while simultaneously maintaining data transmission and reception with the source gNB, and releases the source RRC connection with the source gNB and performs data transmission and reception with the target gNB upon detecting one or more predefined release triggering event. In one embodiment, the target protocol stack includes a PHY layer, a MAC layer, and RLC layer, a PDCP and optionally a SDAP. In one embodiment, the UE enables a PDCP reordering, wherein the PDCP reordering is performed on PDCP packet data units received from the source and the target protocol stacks.
US11452015B2	Method and apparatus for triggering transmission carrier reselection procedure for deactivated duplication in wireless communication system A method and apparatus for triggering a transmission carrier reselection procedure for deactivated duplication in a wireless communication is provided. A wireless device selects a first carrier carrying a data unit, and selects a second carrier carrying a duplication of the data unit based on activation of the duplication of the data unit. The wireless device triggers a carrier reselection procedure based on deactivation of the duplication of the data unit.
US11452009B2	Communication system A communication system is disclosed comprising a gateway and a number of base stations communicating, via the gateway, in accordance with a base station to base station application protocol. The gateway receives a message from a first base station, destined for a second base station. The message comprises (a) information for the second base station, in a first part of the message; and (b) an identifier of the second base station, in a second part of the message other than the first part. The gateway can obtain from the received message the second base station's identifier without the gateway being required to obtain the information from the first part of the message. The gateway routes the message to the second base station identified by the obtained identifier.
US11452007B1	Wireless communication handovers for non-third generation partnership project (non-3GPP) access nodes A wireless communication network hands-in inbound User Equipment (UE) from a source communication network to a non-Third Partnership Project (non-3GPP) access node. In the wireless communication network, a Network Exposure Function (NEF) receives inbound UE context from the source communication network. An Access and Mobility Management Function (AMF) detects when the inbound UE attaches to the non-3GPP access node to hand-in from the source communication network and responsively transfers a UE context request for the inbound UE to the NEF. The NEF transfers the inbound UE context to the AMF in response to the UE context request. The AMF transfers network signaling to one or more network functions to serve the inbound UE based on the inbound UE context.
US11452004B2	Method for wireless data transmission range extension The present disclosure relates to apparatuses and a method for wireless health monitoring comprising dynamically adjusting sound data compression level and/or transmission bandwidth of transmission between a mobile transmitter and a receiver. In some embodiments, a method for wireless health monitoring may include calculating (202) a distance between a mobile transmitter (104) and a receiver (110). A data compression (108) level for compressing a signal, e.g., a sound signal, from the transmitter may be determined out of a plurality of data compression levels based on the distance between the transmitter and the receiver. A transmission bandwidth may then be determined (208) based at least in part on the determined data compression level. The compressed signal may be transmitted (210) using the determined transmission bandwidth.
US11452001B2	Group based context and security for massive internet of things devices Systems and methods are provided for efficient group-based handling of massive internet of things (M-IoT) devices that are compatible with both current cellular networks, and next generation 5G systems. Examples allow reduced overhead between a (radio) access network (R)AN and a core network (CN) that originates from unnecessary signaling traffic for IoT devices transitioning from IDLE to CONNECTED mode, especially when sending small data packets. In addition, or in other embodiments, mobility solutions are provided for group based M-IoT.
US11451995B2	Network-assisted self-measurements to enable full-duplex operation Methods, systems, and devices for wireless communications are described. A first wireless device may receive a measurement configuration, from a second wireless device, to support full-duplex operation using a shared resource. The first wireless device may transmit, via the shared resource, a first signal via a first transmission beam using a first antenna array of the first wireless device. The first wireless device may monitor, in accordance with the measurement configuration, the shared resource using a first receive beam via a second antenna array of the first wireless device. The first wireless device may then transmit a measurement report to a second wireless device based on the monitoring. The second wireless device may transmit, to the first wireless device, a duplexing configuration configuring the full-duplex operation of the first wireless device based on the measurement report.
US11451994B2	User equipment involved in performing measurements The present disclosure relates to a user equipment (UE) comprises a receiver that receives a plurality of reference signals. Processing circuitry of the UE performs power-related measurements on the plurality of reference signals. The processing circuitry determines the availability of reference signals among the plurality of reference signals for the power-related measurements. The processing circuitry generates measurement results based on the performed power-related measurements and depending on the determined availability of the reference signals.
US11451992B2	Beam preference feedback for data transmissions Methods, systems, and devices for wireless communications are described. The described techniques relate to improved methods, systems, devices, and apparatuses that support beam preference feedback for data transmissions. Generally, the described techniques provide for wireless communications at a user equipment (UE), that may perform a measurement of one or more reference signals from a base station. The UE may transmit to the base station an indication of a beam preference for communicating with the base station based on the measurement of the one or more reference signals. The UE may receive, based on the indication of the beam preference, downlink control information from the base station, the downlink control information including an indication of a beam for a data transmission. The UE may perform or receive the data transmission using the indicated beam.
US11451990B2	Method and managing module for enabling management of operation of network node A method and a managing module (110) for enabling management of operation of a network node (131) in a network (100) are disclosed. A set of indications of intervals for reporting of data is configured into the wireless devices (141-148). The managing module (110) obtains (210) the set of indications of intervals for reporting of data. The managing module (110) organises (220) the wireless devices (141-148) into a set of one or more groups (151-153) of wireless devices (141-148) based on the set of indications of intervals for reporting of data. Moreover, the managing module (110) determines (230) information for aligning for aligning reporting from the wireless devices (141-148) within each group of the set of one or more groups (151-153). The managing module (110) provides (240) the information for aligning reporting. A corresponding computer program (605) and a computer program carrier (605) are also disclosed.
US11451988B2	Methods and apparatus for assignment of radio resources in a wireless network A network node (200), a wireless device (202) and methods therein, for indicating and handling assignment of measurement resources in a predefined region of a resource block transmitted by the network node (200). The network node (200) identifies (2:1) a wireless device (202) that is required to perform measurements on signals transmitted by the network node (200) and/or measurements of interference. The network node (200) then assigns (2:2) to the wireless device (202) usage of the measurement resources in the predefined region, and signals (2:3) an indication of the assigned usage of the measurement resources to the wireless device (202). The wireless device (202) is then able to determine and use (2:4) the measurement resources based on the received indication. Thereby, the usage of the measurement resources can be assigned in a dynamic and flexible manner, e.g. depending on the current need for measurement resources.
US11451985B2	Backhaul path switching method, wireless relay, network-side node and terminal Embodiments of the present disclosure provide a backhaul path switching method, a wireless relay, a network-side node and a terminal. In the embodiments of the present disclosure, a second backhaul path is pre-established, a backhaul path is switched in the case that a radio link fails or signal quality of a related wireless relay does not meet requirements.
US11451984B2	Resource management method, resource management system and workload scheduling apparatus for network slicing A resource management method, a resource management system, and a workload scheduling apparatus for network slicing are provided. In the method resource management, a service request related to an application type of a terminal device is received. A monitoring report of the terminal device is obtained according to the service request. The monitoring result relates to a condition of the radio resource used by the terminal device. A usage situation of a slicing resource is analyzed based on the slicing resource requested by the service request and the monitoring report to predict a predicted arrangement result of the slicing resource. The slicing resource requested by the service result is arranged according to the predicted arrangement result to transmit a corresponding setting configuration to the radio access network. The setting configuration serves to adjust the slicing resource. Accordingly, the request of the service and the current condition are fulfilled.
US11451980B2	Communication to under-served areas using communication enabled vehicles A mobile receiving vehicle may be directed to cover an area to maximize the communication opportunities for mobile computing devices. The demands on the mobile receiving vehicles may change over time and the mobile receiving vehicles may move according to a plan to maximize network access.
US11451978B2	Hypervisor for access points and edge nodes Systems and methods include a hypervisor for access points, edge nodes, and other network elements to facilitate use of and compatibility with shared access systems.
US11451975B2	Signal distribution system with integrated base transceiver station An communication system is disclosed which improves upon known distributed antenna systems and known signal distribution systems which rely on bidirectional amplifiers. The disclosed communication system incorporates an integrated base transceiver station into remote units or bidirectional amplifiers provided proximate a coverage area, where the coverage area is remote or closed off from a base coverage area for a distant signal source such as a base transceiver station.
US11451974B2	Managing regionalized vehicular communication A method determines a topology modification for a geographical area; determines a set of coverage region(s) in the geographical area that are adjacent to a target coverage region, the target coverage region being associated with a first regionalized server configured to communicate with vehicular traffic in the target coverage region, the set of coverage region(s) being respectively associated with a set of second regionalized server(s), each second regionalized server being configured to communicate with vehicular traffic in a corresponding coverage region of the set of coverage region(s); determines that a region count of the set of coverage region(s) satisfies a region count threshold; responsive to determining that the region count of the set of coverage region(s) satisfies the region count threshold, determines a morphing portion for each coverage region in the set of coverage region(s); and morphs the set of coverage region(s) based on the corresponding morphing portions.
US11451973B2	Simulating operation of a 5G wireless telecommunication network Introduced here is a system and method to simulate operation of a 5G wireless telecommunication network, prior to deploying a component of the network, to detect problems before the problems affect a large number of users. The system can provide a graphical user interface enabling a user to define a test including a test request and a criterion that a response to the test request needs to satisfy. The processor can create a virtual instance of the network including a virtual instance of a 5G NR node and a virtual instance of a second node. While the physical 5G wireless telecommunication network and the nodes include hardware and software, the virtual instances of the network and the nodes are software constructs simulating the behavior of the physical counterparts. Once the changes are released, the system can also be a monitoring tool to monitor performance of the network.
US11451971B2	Networking method, networking apparatus, network access method, and user equipment for coordinated multiple points transmission/reception This application provides a networking method, a networking apparatus, a network access method, and user equipment. The networking method includes: determining a network association relationship between each remote radio unit (RRU) and each user equipment (UE) for all RRUs and all UEs managed by a baseband processing unit (BBU) resource pool, where the network association relationship includes whether the RRU is capable of providing a service for the UE, or a relationship between the UE and the RRU represented by a reference signal received power that corresponds to each RRU and that is reported by the UE; and configuring all the RRUs to M subnets based on the network association relationship between each RRU and each UE, where M≥1, and M is not greater than a quantity of all the RRUs.
US11451967B2	Techniques for bandwidth part resource block offset hopping Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine that a first signal is associated with a New Radio Unlicensed (NR-U) Light configuration; determine a frequency hopping (FH) pattern and a set of FH channels for a second signal based at least in part on the determination that the first signal is associated with the NR-U Light configuration; and receive the second signal based at least in part on the FH pattern and the set of FH channels. Numerous other aspects are provided.
US11451964B2	Administration of subscription identifiers in a wireless communication network A regulator system (24) of a regulator regulates administration of subscription identifiers. The regulator system (24) is configured to receive, from either an operator system (10) of a wireless communication network operator or an enterprise system of an enterprise, a record that includes information about administration of a subscription identifier associated with the wireless communication network operator. The regulator system (24) is also configured to verify whether administration of the subscription identifier as indicated by the record conforms to one or more rules (34) governing administration of subscription identifiers. The regulator system (24) is further configured to, depending on the verification, approve or reject the record for addition to a permissioned distributed database (26) (e.g., a permissioned blockchain) that is distributed at least in part between the regulator system (24) and either the operator system (10) or the enterprise system.
US11451963B2	False base station detection based on downlink silent periods Certain aspects of the present disclosure provide techniques for detecting false base stations and transmissions therefrom based on silent periods during which legitimate base stations are to refrain from transmitting at least certain downlink transmissions on at least some downlink resources.
US11451960B2	Methods and systems for segmenting computing devices in a network Methods and systems of segmenting computing devices in a wireless network having an access point broadcasting in a single domain are described. In an exemplary method, a request to join the wireless network is received from a computing device. The request is associated with an identifier. When the identifier is not associated with a virtual network within the wireless network, a virtual network is configured within the wireless network and the identifier is associated thereto and the computing device is assigned thereto. When the identifier is associated with an existing virtual network within the wireless network, the computing device is assigned to the existing virtual network.
US11451958B2	Procedures to support network slicing in a wireless communication system Apparatuses, methods, and systems are disclosed for mobility management among multiple network slices. One apparatus includes a transceiver and a processor that establishes a first connection with a primary network slice and establishes a second connection with a secondary network slice of the same network while maintaining the first connection. In response to the processor detecting a mobility management (“MM”) event for the remote unit, the transceiver transmits a single MM request to the primary network slice via the first connection and receives a MM response via the first connection. In various embodiments, each network slice in the mobile communication network supports at least one of a plurality of service types, and wherein the MM response includes an update result for a service type provided by the primary network slice and a service type provided by the secondary network slice.
US11451957B2	Traffic management of proprietary data in a network A method for traffic management of proprietary data, in a network system comprising a gateway and a sensor communicatively coupled to the gateway via a data bus, includes determining, by a processor of a bridging device, whether a dedicated pipeline for transmission to the gateway is available, in response to determining that the dedicated pipeline is available, transmitting, by the processor, a request for the dedicated pipeline, determining, by the processor, whether the dedicated pipeline has been established between the bridging device and the gateway, and in response to determining that the dedicated pipe has been established, requesting, by the processor, the proprietary data from the sensor, transmitting, by the processor, the proprietary data from the sensor to the gateway via the dedicated pipeline, and transmitting, by the processor, a dedicated pipeline release signal to the gateway indicating release of dedicated pipeline between the bridging device and the gateway.
US11451955B2	V2X and vehicle localization by local map exchange in 5G or 6G Autonomous vehicles may communicate with each other in 5G or 6G to avoid hazards, mitigate collisions, and facilitate the flow of traffic. However, for cooperative action, each vehicle must determine the wireless address of other vehicles in proximity, so that they can communicate directly with each other. It is not sufficient to know the wireless address alone; the wireless address must be associated with an actual vehicle in view. Methods disclosed herein enable vehicles to exchange messages that specify the distances and angles of other vehicles in view. Then, each vehicle compares the other vehicle's measurements with its own, along with each vehicle's wireless address. Using an AI-based map-merging algorithm, one or more vehicles can produce a full traffic map from the fragmentary local maps of each vehicle's viewpoint.
US11451953B2	Methods, network function nodes and computer readable media for event subscription management The present disclosure provides methods for event subscription management in a network comprising a set of NF nodes, and corresponding NF nodes. The method comprises receiving a subscription request of an event for a user from an event subscriber, in response to receipt of the subscription request, transmitting, to a second network function node, a query request for querying whether the event for the user has been subscribed; and if a response to the query request from the second network function node indicates that the event for the user has been subscribed, transmitting, to the second network function node, an updating request for updating a subscriber list of the event for the user by the second network function node to include the event subscriber into the subscriber list. The present disclosure further discloses a corresponding method which comprises receiving a query request from a first network function node for querying whether an event for a user has been subscribed, in response to reception of the query request, checking whether an indicator indicating the event for the user has been subscribed has been set, and transmitting a check result to the first network function node. The present disclosure further provides corresponding computer readable medium.
US11451951B2	Reduced context or context-less short message transmission for machine-type-communication A mobile communications network communicating data to/from communications devices, the network including base stations operable to provide a wireless access interface to communications devices; communications devices operable to communicate packets with the base stations via the wireless access interface; packet gateways operable to transmit user data packets received via the base stations from/to the communications devices; and mobility managers operable to send/receive signalling packets for controlling user data communications between communications devices and packet gateways. The mobility managers can, upon receiving a signalling packet from a communications device and including user data intended for a destination, detect the packet is not associated with any established signalling connection between the mobility managers and the communication device. The mobility managers can, responsive to the detection, transmit the user data in the signalling packet to the destination. Accordingly a short message may be sent in a reduced context or context-less manner.
US11451948B2	Medical alert application A mobile application designed to operate on a mobile device. The user, through a user interface, inputs the drug being taken, and activates a start input. This begins a timer that runs down from a predetermined amount of time. If the user does not activate a stop input before the timer runs out of time, an alert is generated. This alert may be displayed on the user interface. In addition, emergency personnel are contacted. Information regarding the user, the drug taken, and the location of the mobile device may be transmitted to the emergency personnel so that medical assistance may be provided.
US11451947B2	System, information processing apparatus, method, and storage medium storing a program In response to receiving an acquisition request for acquiring wireless connection information from an external apparatus, it is determined whether or not a sensor for detecting a nearby object has detected an object. If it is determined that the sensor has detected an object, the wireless connection information is transmitted to the external apparatus. If it is determined that the sensor has not detected an object, the wireless connection information is not transmitted to the external apparatus.
US11451946B2	Method for establishing wireless communication connection, and device A method includes a first device and sends a network scanning request to a second device over a short-range wireless communication connection between the first device and the second device; the first device receives a scanning result that is of at least one first wireless signal and that is sent by the second device; and the first device sends a wireless connection request to at least one third device based on a wireless signal scanning result to establish a wireless connection to the at least one third device, where the wireless signal scanning result includes the scanning result of the at least one first wireless signal.
US11451945B2	Transparent roaming in virtual access point (VAP) enabled networks In one embodiment, a supervisory device in a network forms a virtual access point (VAP) for a node in the network. A set of access points (APs) in the network are mapped to the VAP as part of a VAP mapping and the node treats the APs in the VAP mapping as a single AP for purposes of communicating with the network. The supervisory device receives measurements from the APs in the VAP mapping regarding communications associated with the node. The supervisory device identifies a movement of the node based on the received measurements from the APs in the VAP mapping. The supervisory device adjusts the set of APs in the VAP mapping based on the identified movement of the node.
US11451944B2	In-vehicle communication system Examples disclosed herein relate to illustrate an in-vehicle communication system having wireless extension devices, such as an active repeater or an edge reflectarray device. The wireless extension devices operate in coordination to redirect signals within a vehicle.
US11451943B2	Method and apparatus for controlling commication between devices in a network A method performed by a first user equipment (UE) in a vehicle to everything (V2X) communication system, the method comprising: measuring, at least one parameter related to signal quality between the first UE and a cellular network; identifying a first event among a preconfigured set of events based on measuring of the at least one parameter; and transmitting, to a second UE, first information including information related to the first event and second information related to the first UE, based on a trigger of the first event, wherein the first information and the second information are for a prediction of the second UE associated with a state change of the cellular network, and wherein an operation of the second UE is based on the prediction.
US11451941B2	Position-based access verification method An access system for an object with a transmission unit arranged in the object and a transponder unit arranged in a portable device. The transmission unit emits request signals at regular intervals. The transponder unit, in response to a triggering event, stores a current position of the object and determines its own position at regular intervals. The transponder unit deactivates the transmission unit when the transponder unit detects, based on the determined position, that the transponder unit has left a first zone, wherein the first zone is arranged around the object, and wherein the transmission unit does not emit any request signals while the transmission unit is deactivated. The transponder unit furthermore activates the transmission unit when the transponder unit detects, based on the determined position, that the transponder unit has entered an adjusted first zone, wherein the adjusted first zone is arranged around the object.
US11451940B2	Data transmission terminal, data transmission method, and recording medium In a data transmission terminal, a processor is configured to determine whether or not a change greater than or equal to a predetermined amount has occurred between values represented by multiple pieces of first sensor data stored on a memory when a state of communication has shifted from a normal state to a disconnected state. The processor is configured to classify the multiple pieces of the first sensor data as changed data and unchanged data when the processor determines that the change has occurred. The processor is configured to transmit the changed data to the external terminal by using a communicator. The processor is configured to transmit the unchanged data to the external terminal by using the communicator after the changed data are transmitted to the external terminal.
US11451936B2	Method for forming group of Bluetooth devices A method for forming a group from a plurality of Bluetooth devices includes forming one subgroup with some of the plurality of Bluetooth devices; and, with respect to Bluetooth mediating devices that are at least some of the plurality of Bluetooth devices belonging to the subgroup, forming, by the Bluetooth mediating device, one lower subgroup having the subgroup as an upper subgroup thereof, together with the plurality of Bluetooth devices which do not yet belong to any subgroup.
US11451931B1	Multi device clock synchronization for sensor data fusion Immersive audio can be generated and/or updated in real-time as an accessory device presenting the audio is moved with respect to a computing device presenting accompanying video content. This real-time immersive audio is enabled by determining positions of the accessory device with respect to the computing device, based on real-time analysis of sensor information from the accessory device and the computing device. Accurate positions can be determined by synchronizing timestamped sensor data from the multiple devices through the use of a clock of a common wireless communication link (e.g., a Bluetooth connection), which may have lower drift than the global clocks of the devices themselves. Calculated offsets associated with differences between the clock of the wireless communication link and the global clocks of the multiple devices can be used to account for inaccuracies in the global clocks of the multiple devices with respect to one another.
US11451927B2	Positioning method, positioning apparatus, server, and computer-readable storage medium To perform positioning by a computing device, a position request transmitted by a terminal is received. The positioning request includes target access point information obtained by the terminal. Then a plurality of first geographic grids related to a location of the terminal is determined based on the target access point information. A positioning sequence of the plurality of first geographic grids is determined according to access point information corresponding to the plurality of first geographic grids and the target access point information. The positioning sequence indicates distances between the plurality of first geographic grids and the terminal. The location of the terminal is then determined based on the positioning sequence of the plurality of first geographic grids and location information of the plurality of first geographic grids.
US11451914B2	System and method for hybrid in-person and remote audio/visual conference broadcasting A hybrid in-person and remote audiovisual conference broadcasting system provides a centrally controlled system for managing and broadcasting the audiovisual data collected from mobile devices both in humanly perceptible proximity of an in-person public-address system and beyond humanly perceptible proximity to the in-person public-address system. In an exemplar embodiment, a moderator controls requests from various participant members to broadcast audio or video from their personal mobile device to the other group members. Some members may be in proximity to an in-person public address system where they may for example be able to hear amplified audio and see live projected or otherwise presented video. In this exemplar embodiment, remote users not in proximity to the in-person public address system may also participate by for example listening to and viewing the broadcast audiovisual data on their personal mobile devices. Both in-person/local users and remote users may request to be selected for broadcasting to all users.
US11451911B2	Hearing device and method of manufacturing the same A hearing device including a shell to be worn at least in part in the ear canal and having an outer opening; a faceplate covering the outer opening of the shell and facing outwardly of the ear canal when the hearing device is worn in the ear canal; a transceiver configured to operate in an operating frequency range which is located within 2.4 GHz to 2.5 GHz; and a dipole antenna. The dipole antenna is integrated within the faceplate or at an outer surface of the faceplate in a manner so as to follow the contour of the outer surface of the faceplate to maximize radiation gain of the dipole antenna.
US11451908B2	Network microphone devices with automatic do not disturb actuation capabilities Embodiments disclosed herein include networked microphone devices (NMD) determining whether a Do Not Disturb (DND) feature should be activated, in response to determining that the DND feature should be activated, activating the DND feature. In some embodiments, the NMD determines whether to activate the DND feature based on various configuration and operational states. And in some embodiments, activating the DND feature includes activating the DND feature includes activating the DND feature at one or more additional NMDs based on the configuration and operational state of the NMD and the one or more additional NMDs.
US11451902B1	Speaker with vented resonator Aspects of the subject technology relate to electronic devices having speakers with vented resonators. A vented resonator may have a resonator chamber and a channel that fluidly couples a front volume of the speaker with the resonator chamber. A vent such as a barometric vent may be disposed in a wall of the resonator chamber that separates the resonator chamber from the back volume of the speaker. The barometric vent may thus allow airflow from the front volume to the back volume via the resonator chamber, and prevent fluid flow from the front volume to the back volume via the resonator chamber.
US11451898B2	Headset on ear state detection A method and device for detecting whether a headset is on ear. A probe signal is generated for acoustic playback from a speaker. A microphone signal from a microphone is received, the microphone signal comprising at least a portion of the probe signal as received at the microphone. The microphone signal is passed to a state estimator, to produce an estimate of at least one parameter of the portion of the probe signal contained in the microphone signal. The estimate of the at least one parameter is processed to determine whether the headset is on ear.
US11451894B2	Ear cup structure An ear cup structure including an ear cup shell, a cover, a discharge hole, a speaker, and a guide channel is provided. The ear cup shell has at least a first accommodating space and a second accommodating space spaced from each other, and the second accommodating space has a second opening. The cover covers the second opening of the second accommodating space. The discharge hole is formed between the ear cup shell and the cover. The speaker is disposed in the second accommodating space, thereby dividing the second accommodating space into a front chamber and a rear chamber. The guide channel is communicated with a peripheral side of the rear chamber and is disposed between the rear chamber and the discharge hole. An airflow produced by the speaker in the rear chamber flows through the guide channel and is discharged to an external environment from the discharge hole.
US11451891B2	Moving coil microphone transducer with secondary port A microphone transducer is provided, the microphone transducer comprising a housing and a transducer assembly supported within the housing and defining an internal acoustic space. The transducer assembly includes a magnet assembly, a diaphragm disposed adjacent the magnet assembly and having a front surface and a rear surface, and a coil attached to the rear surface of the diaphragm and capable of moving relative to the magnet assembly in response to acoustic waves impinging on the front surface. The transducer assembly further includes a primary port establishing acoustic communication between the internal acoustic space and an external cavity at least partially within the housing, and a secondary port located at the front surface of the diaphragm.
US11451888B2	Systems and methods for intelligent edge to edge optical system and wavelength provisioning An optical access network includes an optical hub having at least one processor. The network further includes a plurality of optical distribution centers connected to the optical hub by a plurality of optical fiber segments, respectively, and a plurality of geographic fiber node serving areas. Each fiber node serving area of the plurality of fiber node serving areas includes at least one optical distribution center of the plurality of optical distribution centers. The network further includes a plurality of endpoints. Each endpoint of the plurality of endpoints is in operable communication with at least one optical distribution center. The network further includes a point-to-point network provisioning system configured to (i) evaluate each potential communication path over the plurality of optical fiber segments between a first endpoint and a second endpoint, and (ii) select an optimum fiber path based on predetermined path selection criteria.
US11451881B2	Method for using viewing paths in navigation of 360 degree videos Systems and methods are described for displaying 360-degree video using a viewing direction and/or a viewpoint position that is determined based on a user-selected level of automation. If full automation is selected by the user, the viewing direction and/or viewport position is determined by a defined viewing path. If partial automation is selected, the viewing direction and/or viewport position is determined by user input in combination with the defined viewing path. For example, a high-pass-filtered version of the user input may be added to the defined viewing path to obtain a partially-automated viewing direction and/or viewpoint position. Example systems and methods may be implemented using a head-mounted display (HMD).
US11451878B1	Systems and methods for generating notification interfaces based on interactions with broadcast events Systems and methods for generating notification interfaces based on interactions with broadcast events are provided. The system can maintain content items corresponding to a live event, and identify interactions provided via a broadcast receiver device while the broadcast receiver device presented corresponding historic live event broadcasts. The system can determine an arrangement of the content items corresponding to the live event based on attributes of the historic live event broadcasts. The system can generate display instructions for the broadcast receiver device that cause the broadcast receiver device to display the content items with a broadcast of the live event according to the arrangement, and transmit the display instructions to the broadcast receiver device to cause the broadcast receiver device to display the content items with the broadcast of the live event.
US11451876B2	Apparatus, systems and methods for video output brightness adjustment Systems and methods are operable to increase brightness output from a display. An exemplary embodiment detects a predefined user action of a remote control, and then increases brightness of a currently presented image that is being presented on the display in response to detecting the predefined user action so that an ambient lighting level in the vicinity of the display is increased.
US11451873B2	Attracting user attention to advertisements One or more videos are presented to a user. The videos include a plurality of hidden artifacts. The videos also include advertisements. The user looks for the hidden artifacts in the videos. Whenever the user finds the hidden artifacts in one of the videos, the user selects locations in the videos that correspond to the hidden artifacts. A computing device performs different actions depending on which ones of the hidden artifacts the user is able to find. For example, the computing device can provide different rewards to the user depending on which ones of the hidden artifacts the user is able to find.
US11451872B1	System, device, and processes for intelligent start playback of program content Systems, devices, and processes are provided to facilitate the streaming of a playback of a recorded program in a video playback recording system. These systems, devices, and processes provide operating the cloud-based DVR in a recording mode for user selection of program content for recordation in a video playback file by the cloud-based DVR wherein the video playback file containing the program content is recorded by the user selection beginning with a start time associated with the DVR event file; and generating a manifest file that contains a program marker of a start time of the program content omitting any recorded commercial content at a beginning of the video playback file associated by beginning of the recording from the start time associated with the DVR event file.
US11451867B2	Methods and apparatus to monitor digital media Methods, apparatus, systems and articles of manufacture to monitor media are disclosed. An example apparatus includes an orderer to order metadata according to timing information, the metadata corresponding to digital media from a media provider; a data shifter to adjust the ordered metadata using a plurality of offsets to generate a plurality of adjusted ordered metadata; a comparator to perform a plurality of comparisons by comparing the plurality of adjusted ordered metadata to reference data; and compute a plurality of errors corresponding to the plurality of comparisons; and the data shifter to identify an offset of the plurality of offsets corresponding to a lowest computed error of the plurality of errors; and adjust the ordered metadata using the offset.
US11451866B2	Systems and methods for data processing, storage, and retrieval from a server A method of splitting a data stream into a set of data segments may include receiving the data stream, wherein the data stream may include data packets; selecting a segment time period and a time domain; subdividing the time domain into a set of time blocks, each one of the set of time blocks having a duration of the segment time period; identifying a set of starting data packets corresponding to the set of time blocks; identifying a set of finishing data packets corresponding to the set of starting data packets; identifying a last one of the set of finishing data packets being a last data packet of a last one of the set of time blocks; and identifying the set of data segments based on the corresponding set of starting data packets and the corresponding set of finishing data packets.
US11451863B1	Content versioning system Provided is a method including providing a first audio content object that includes a plurality of audio content segments to a set of user computing devices. Each audio content segment of the plurality of audio content segments is associated with a first version. The method also includes obtaining a second version of a first audio content segment and updating the first version of the first audio content segment to the second version to generate a second audio content object that includes the second version of the first audio content segment and at least a first version of a second audio content segment. The method also includes providing the second audio content object to at least a first portion of the set of user computing devices and indicating a version history of the first audio content segment to at least the first portion of the set of user computing devices.
US11451862B2	System and method for effectuating fast channel change in an adaptive streaming environment A system and method for effectuating fast channel change in an adaptive streaming environment. A plurality of adjacent channels may be predicted relative to a current streaming channel engaged by a client device. Upon prioritizing the adjacent channels, the client device may be configured to pre-fetch metadata and initialization information for a subset of the prioritized adjacent channels based on bandwidth conditions, video player buffer status, etc. When a channel is changed, the client device is operative to use the pre-fetched data to quickly obtain encoded media content at a select bitrate for rendering.
US11451861B2	Method for processing video information and method for displaying video information While presenting on a display apparatus videos of high picture quality obtained from portable video processing apparatuses such as a camera and a cellular, it is possible to communicate with the Internet and/or a home network. A display apparatus includes a first radio communication unit capable of receiving video information by radio from an external video processing apparatus, a second radio communication unit capable of connecting by radio to a network, and a control unit for controlling assignment of connection by radio transmission for each of the first and second radio communication units. The control unit assigns connection of the first radio communication unit with higher priority and controls the assignment of the transmission rate such that the transmission rate between the first radio communication unit and the external video processing apparatus is more than that between the second radio communication unit and the network.
US11451860B2	Display apparatus and video processing apparatus While presenting on a display apparatus videos of high picture quality obtained from portable video processing apparatuses such as a camera and a cellular, it is possible to communicate with the Internet and/or a home network. A display apparatus includes a first radio communication unit capable of receiving video information by radio from an external video processing apparatus, a second radio communication unit capable of connecting by radio to a network, and a control unit for controlling assignment of connection by radio transmission for each of the first and second radio communication units. The control unit assigns connection of the first radio communication unit with higher priority and controls the assignment of the transmission rate such that the transmission rate between the first radio communication unit and the external video processing apparatus is more than that between the second radio communication unit and the network.
US11451857B2	Method and system to navigate viewable content A method and system to navigate viewable content in the context of television entertainment is provided. In one example embodiment, the system comprises a presentation module to present main content on a display screen, a communications module to receive a first request associated with a first directional key on a remote control device, a navigation mode detector to determine a navigation mode associated with the first request; a margin menu module to activate a margin menu associated with the determined navigation mode. The margin menu may be presented along one of the margins of a display screen, while permitting viewing of the main content.
US11451853B1	Measuring ATSC 3 RF environment using autonomous vehicle Techniques are described for expanding and/or improving the Advanced Television Systems Committee (ATSC) 3.0 television protocol in robustly delivering the next generation broadcast television services. A receiver, to automatically switch from presenting a service on a first frequency to a second frequency such as when a mobile receiver is moving through a boundary region between two broadcasters, can consider not just signal strength and error rates of two frequencies carrying the same service to select which frequency to tune to, but also relative location and direction of motion of the receiver with respect to each broadcaster along with parameters of the RF environment as previously measured by an autonomous vehicle such as a drone.
US11451850B2	System and method for dynamically providing personalized television shows Aspects of the subject disclosure may include, for example, a method that includes obtaining, by a processing system including a processor, a user profile for a user of a media service, and selecting, in accordance with the user profile, program components for inclusion in a media program to be presented via the media service. The method also includes generating the media program using the selected program components, and presenting the media program at equipment of the user. The method also includes obtaining sensor data associated with the user, and determining a user engagement level during presentation of the media program, based on the sensor data. The method further includes adjusting at least one of the program components responsive to the user engagement level, thereby generating a modified media program for presentation to the user. Other embodiments are disclosed.
US11451849B2	Methods and systems for content control Methods and system for providing content based on an embedded signal are disclosed. A method can comprise generating a placement signal based on an event, repeatedly embedding the placement signal into a data stream, and transmitting the data stream comprising the repeatedly embedded placement signal.
US11451844B2	Assigning synthetic respondents to geographic locations for audience measurement Example methods, apparatus, systems and articles of manufacture (e.g., physical storage media) to assign respondents to geographic locations for audience measurement are disclosed. Example apparatus disclosed herein are to determine a set of constraints based on aggregate values of demographic features associated with respective ones of the geographic locations. Disclosed example apparatus are also to construct a model to return probabilities that respective ones the respondents are associated with the respective ones of the geographic locations, the model to have a set of parameters, respective ones of the parameters to be associated with respective ones of the constraints. Disclosed example apparatus are further to evaluate the model based on values of the set of parameters and values of the demographic features for a first one of the respondents to determine a set of probabilities that the first respondent is to be assigned to respective ones of the geographic locations.
US11451840B2	Trellis coded quantization coefficient coding An example device includes processing circuitry configured to determine a first state of a data structure, the first state representing a first quantizer applied to a previously quantized or inverse quantized value of a previous transform coefficient of residual data for a block of the video data and update the data structure to a second state according to the first state and a parity of a partial set of syntax elements representing a partial set of a plurality of coefficient levels for the previous transform coefficient. The processing circuitry is further configured to determine a second quantizer to be used to quantize or inverse quantize a current value of a current transform coefficient according to the second state of the data structure and quantize or inverse quantize the current value of the current transform coefficient using the second quantizer.
US11451839B1	System and method for client side compression in a content management environment Embodiments of content management systems in which compression and decompression may be performed at the client in cases where the client device or application may be capable of such compression and decompression while still allowing compression to be performed at the content management system when client devices or applications are unable to perform such compression or decompression are disclosed.
US11451837B2	Method and apparatus for employing dynamic range mapping information for HDR image decoder considering backward compatibility The present invention enables efficient decoding by using DR mapping information between a base layer and an enhancement layer in various manners in an HDR decoder considering backward compatibility.
US11451833B2	Encoding device, encoding method, decoding device, and decoding method The present technology relates to an encoding device, an encoding method, a decoding device, and a decoding method that make it possible to accurately restore an image. The encoding device generates a filter image by performing, on a decoded image locally decoded, filter processing of applying a prediction equation including a second-order or higher higher-order term and performing a product-sum calculation of predetermined tap coefficients and pixels of the decoded image. Moreover, the encoding device encodes an original image by using the filter image. The decoding device decodes coded data included in an encoded bit stream by using a filter image, to generate a decoded image. Moreover, the decoding device generates the filter image by performing, on the decoded image, filter processing of applying a prediction equation. The present technology can be applied to a case where encoding and decoding of an image are performed.
US11451832B2	Signaling of chroma and luma syntax elements in video coding Devices, systems and methods related to management of syntax flags with respect chroma formats in video processing are described. In one representative aspect, a video decoding method includes determining, based on a chroma format of a video comprising a region, whether one or more syntax flags applicable to the region of the video are absent in a syntax structure of a coded representation of the video. The one or more syntax flags are indicative of usage of a luma-dependent chroma residue scaling coding step for representing the region in the coded representation. The luma-dependent chroma residue scaling coding step comprises a scaling process in which a scaling coefficient is derived based on reconstructed luma samples and the scaling process is applied to a chroma residue. The method also includes generating one or more decoded video blocks of the video region by parsing the coded representation according to the determining.
US11451824B2	Motion vector refinement search with integer pixel resolution An apparatus and method determining a motion vector for a block, which relates to motion vector determination employing template matching or bilateral matching, are provided. At first, candidate motion vectors are obtained and are mapped to respective representatives (representative motion vectors). In particular, if the obtained candidate motion vectors point to fractional positions and thus, interpolation from the integer sample positions is required, the initial motion vector is rounded to a closest integer sample position. The rounded position is then used to define the search space for the template or bilateral matching to determine the best matching motion vector for the block (in other words, a refinement of an initial motion vector around which the candidate space is spanned). Finally, the mapping operation can be reverted in order to obtain a result in the original search space.
US11451821B2	Image coding method and apparatus using motion vector According to embodiments according to the present document, merge mode motion vector differences (MMVD) and symmetric motion vector differences (SMVD) may be performed on the basis of reference picture types and, in particular, short-term reference pictures may be used. Accordingly, prediction performance and coding efficiency in an inter prediction mode may be increased.
US11451808B2	Image coding method, image decoding method, image coding apparatus, and image decoding apparatus According to an embodiment, an image coding method is for coding an image including a luminance component and color difference components. The method includes acquiring a reference image; and generating a predicted image by interpolating the luminance component and the color difference components in the reference image according to a motion vector. If a size of a block, which is designated as a unit of the interpolation, is equal to or smaller than a predetermined first threshold value, the generating includes inhibiting a bi-directional prediction, and performing only a uni-directional prediction to generate the predicted image according to the motion vector.
US11451807B2	Method and apparatus for video coding Aspects of the disclosure provide methods and apparatuses for video encoding and decoding. In some examples, an apparatus for video decoding includes processing circuitry. The processing circuitry decodes prediction information of a current block in a current picture from a coded video bitstream. The prediction information indicates an inter prediction mode for reconstructing the current block. The processing circuitry identifies a reference block for the current block where the reference block is one of a plurality of blocks in a motion vector compression unit (MVCU) that is already reconstructed. The processing circuitry further determines current motion information of the current block based on representative motion information for the MVCU and reconstructs at least one sample in the current block based on the current motion information.
US11451806B2	Selecting content transmissions based on encoding parameters An example method can comprise receiving an encoding parameter associated with a first content transmission. The encoding parameter can indicate a level of complexity to encode the first content transmission. The method can comprise selecting, based on the encoding parameter, a second content transmission. The second content transmission can be encoded at a second bit rate that is different than a first bit rate of the first content transmission. The method can also comprise generating a third content transmission. The third content transmission can comprise the second content transmission.
US11451805B2	Buffer apparatus A buffer device stores, in relation to a first area and a second area, which are partial areas respectively located on an identical line of an encoding target frame, and a third area, which is a partial area on the line below the identical line, reference image data for each search range of a reference frame that is referred to during motion search processing executed in order of the first area, the second area, and the third area, the buffer device including a memory for storing the reference image data, and a buffer control unit which, when the motion search processing is executed on the second area, executes control so that among the reference image data included in a first search range that is referred to during the motion search processing of the first area, the reference image data included in a third search range that is referred to during the motion search processing of the third area are left in the memory without being deleted.
US11451801B2	Methods for coding video data in palette mode The present disclosure provides systems and methods for performing palette coding of video data. According to certain disclosed embodiments, the methods include: classifying pixels of a coding unit into a first plurality of clusters; and determining, according to the first plurality of clusters, a palette table for the coding unit.
US11451795B2	Supplemental enhancement information including confidence level and mixed content information This application relates to video encoding and decoding, and specifically to tools and techniques for using and providing supplemental enhancement information in bitstreams. Among other things, the detailed description presents innovations for bitstreams having supplemental enhancement information (SEI). In particular embodiments, the SEI message includes picture source data (e.g., data indicating whether the associated picture is a progressive scan picture or an interlaced scan picture and/or data indicating whether the associated picture is a duplicate picture). The SEI message can also express a confidence level of the encoder's relative confidence in the accuracy of this picture source data. A decoder can use the confidence level indication to determine whether the decoder should separately identify the picture as progressive or interlaced and/or a duplicate picture or honor the picture source scanning information in the SEI as it is.
US11451793B2	Parameterization for fading compensation Techniques and tools for performing fading compensation in video processing applications are described. For example, during encoding, a video encoder performs fading compensation using fading parameters comprising a scaling parameter and a shifting parameter on one or more reference images. During decoding, a video decoder performs corresponding fading compensation on the one or more reference images.
US11451792B2	Chroma intra prediction method and device A chroma intra prediction method and device are provided. The method applied to a decoder includes parsing bitstream data corresponding to a current chroma block, and determining that a prediction mode corresponding to the current chroma block is a direct mode (DM); determining an intra prediction mode of the current chroma block from a set of chroma prediction modes, wherein the set of chroma prediction modes comprises at least one of DM, LM, LM_T or LM_L; and determining a reconstructed value of the current chroma block according to the intra prediction mode.
US11451788B2	Rate control for low latency video encoding and transmission A video encoding system in which pixel data is decomposed into frequency bands prior to encoding. The frequency bands for a slice of a frame may be buffered so that complexity statistics may be calculated across the frequency bands prior to encoding. The statistics may then be used by a rate control component in determining quantization parameters for the frequency bands for modulating the rate in the encoder for the current slice. The quantization parameters for the frequency bands may be calculated jointly to optimize the quality of the displayed frames after decoder reconstruction and wavelet synthesis on a receiving device. Information about one or more previously processed frames may be used in combination with the statistics for a current slice in determining the quantization parameters for the current slice.
US11451786B2	Image coding method using buffer compression in CTU unit, and apparatus therefor Provided is an image decoding method performed by a decoding apparatus, which includes: decoding a first coding tree unit (CTU) in a current picture; storing motion information of the first CTU in a line buffer; and decoding a second CTU in the current picture by using the motion information of the first CTU stored in the line buffer, in which the first CTU is located around a left side of the second CTU or located around a top of the second CTU.
US11451781B2	Method and apparatus for processing video signal A method for decoding a video according to the present invention may comprise: deriving a reference sample for a current block, determining an intra prediction mode of the current block, and obtaining a prediction sample for the current block by using the reference sample and the intra prediction mode.
US11451779B2	Scaling list signalling for video coding A video decoder can be configured to determine that a new scaling list for a set of scaling lists is to be predicted from a reference scaling list, wherein the new scaling list corresponds to a new scaling matrix; receive a syntax element that identifies an ID number corresponding to a scaling list of the set of scaling lists that is to be used as the reference scaling list; determine that the set of scaling lists does not include a scaling list with the ID number; and in response to determining that the set of scaling lists does not include the scaling list with the ID number, determine the new scaling matrix based on a set of default values.
US11451777B2	Method for encoding a digital image, decoding method, devices, and associated computer programs Encoding a digital image divided into a plurality of blocks of pixels processed in a defined order, including the following steps, implemented for a current block, with preset sizes: predicting values of the current block from at least one block previously processed; calculating a residual block by subtracting the predicted values from the original values of the current block; obtaining a residual block by applying a transform to pixels of the residual block, said transformed residual block comprising coefficients; encoding the transformed residual block; calculating at least one characteristic representative of at least one transformed residual coefficient of the current block; determining initial identification data representative of a sub-list of at least one transform associated with said at least one calculated characteristic; and verifying that the transform applied to the current block is part of the sub-list identified by the initial data.
US11451772B2	Intra-frame prediction coding method and apparatus, electronic device, and computer storage medium An intra-frame prediction coding method includes determining N candidate intra-frame prediction modes for a current coding block, and saving the N candidate intra-frame prediction modes to a candidate mode list, N being a positive integer. The method also includes obtaining, by processing circuitry of a coder, optimal coding modes respectively corresponding to spatially neighboring coding blocks and an upper-layer coding block of the current coding block, and saving the optimal coding modes respectively corresponding to the spatially neighboring coding blocks and the upper-layer coding block to a neighboring mode list. The method further includes determining an optimal coding mode for the current coding block based on the candidate mode list and the neighboring mode list.
US11451770B2	System and method for video performance optimizations during a video conference session An information handling system executing a multimedia multi-user collaboration application (MMCA) may include a memory; a power management unit; a video camera to capture video of a user participating in a video conference session conducted by a processor executing code instructions of the MMCA via a first network link on a network interface device; a time-of-flight (TOF) sensor to provide distance data descriptive of the distance between a user's body and the video camera; the processor configured to execute a video frame user presence detection system to: slice a video frame into a plurality of video frame slices; based on the distance data, create a human object presence (HOP) heat map to assign a probability of the presence of the user's body within each video frame slice of the video frame; the processor configured to select, among the plurality of video frame slices, those video frame slices with an assigned probability of presence of the user's body that exceeds a threshold probability as a HOP video frame slice group where the user's body appears within the video frame; and the network interface device configured to send data defining the HOP video frame slice group to a sink information handling system participating in the video conference session over the network to assist decoding of the video frame at the sink information handling system.
US11451761B2	Sub stream auto sampling A sub stream auto sampling system includes an inspection unit and a sorter unit. The inspection unit includes a camera configured to capture an image of a sample, a light configured to illuminate a sample, a processor configured to process the captured image, and a memory configured to store the captured image. The sorter unit is configured to divert a sub stream of samples, from a main stream of samples, toward the inspection unit. The output of the inspection unit may be directed to the main stream of samples, or the output of the inspection unit may be directed to a collection unit. In addition to the inspection performed by the inspection unit, weighing of the sub stream of samples may also be performed by a weighing unit before the sub stream of samples are routed to the main stream of samples or the collection unit.
US11451758B1	Systems, methods, and media for colorizing grayscale images In one embodiment, a computing system may access a first grayscale image and a second grayscale image. The system may generate a first color image and a second color image based on the first grayscale image and the second grayscale image, respectively. The system may generate affinity information based on the first grayscale image and the second grayscale image, the affinity information identifying relationships between pixels of the first grayscale image and pixels of the second grayscale image. The system may modify the color of the first color image and the second color image based on the affinity information. The system may generate a first visual output based on the modified first color image and a second visual output based on the modified second color image.
US11451755B2	Method for controlling electronic instrument and electronic instrument A method for controlling an electronic instrument including a projection section that projects an image via a projection lens and an imaging section that performs imaging via an imaging lens includes causing a first storage to store first characteristic data representing the characteristics of the projection lens, second characteristic data representing the characteristics of the imaging lens, and arrangement data representing the arrangement of the projection lens and the imaging lens and then causing the projection section to project a pattern image on an object via the projection lens, causing the imaging section to capture an image of the pattern image on the object via the imaging lens to generate captured image data, and updating the arrangement data based on the captured image data, the first characteristic data, and the second characteristic data without updating the first characteristic data and the second characteristic data.
US11451752B2	Grid gain calculation circuit, image sensing device and operation method of the same A grid gain calculation circuit includes a region setting component suitable for setting a grid region corresponding to a pixel array; a virtual grid point setting component suitable for setting virtual grid points with respect to outer grid points located on a border of a grid region and with respect to an inner grid point located in an inner area of the grid region close to the outer grid points; and a gain calculation component suitable for calculating a gain of the outer grid points based on a gain of the inner grid point and a gain of the virtual grid points.
US11451750B2	Event generation based on user feedback by doorbell camera system A method for generating an event, which is performed by a doorbell camera system disclosed in the present disclosure may include acquiring video of a visitor, outputting the acquired video of the visitor to a user, learning the user's feedback on the visitor, storing information of the visitor and a learning result of the user's feedback on the visitor, and generating an event based on the information of the visitor and the learning result of the user's feedback.
US11451739B2	Systems and methods for generating time-lapse videos Positions of an image capture device may be used to estimate a time-lapse video frame rate with which time-lapse video frames are generated. The time-lapse video frame rate may be adjusted based on apparent motion between pairs of generated time-lapse video frames. The adjusted time-lapse video frame rate may be used to generate additional time-lapse video frames.
US11451738B2	Recording apparatus, method of controlling recording apparatus, and storage medium A recording apparatus configured to access a recording medium includes a controller that sets a temperature threshold value for execution of function limitation on the recording medium to the recording medium, wherein, based on an operation state of the recording apparatus, the controller selects whether to execute a first setting to set the temperature threshold value to a specific value or a second setting to set the temperature threshold value to a value greater than the specific value.
US11451737B2	Imaging device Provided is an imaging device that includes a plurality of pixels, a memory unit, a memory control unit, and a bus interface. Each of the memory unit, the plurality of pixels, the memory control unit, and the bus interface is in any one of a plurality of semiconductor substrates. The plurality of pixels performs photoelectric conversion. The memory unit stores image data generated on the basis of a result of the photoelectric conversion. The memory control unit performs a read operation on the basis of first internal address information. The read operation is for reading, from the memory unit, image data corresponding to the first internal address information among pieces of the image data. The bus interface performs communication for first address information with an external device, supplies the memory control unit with the first internal address information, and transmits the read image data to the external device.
US11451736B2	Data segment service Aspects of the disclosure relate to the delivery of media content over a network. Specifically, aspects are directed to identification and/or extraction of a selected data such as a video clip from content and providing identifying information to a user to retrieve, view, and/or share the selected video clip. Aspects described herein provide the ability to identify a starting point and stopping point of a video clip on a media gateway device and generate a URL that can be used and/or shared in order to access the selected video clip. The URL may identify a stored media clip, or may contain information from which a video clip can be recreated.
US11451734B2	Image sensor for supporting plural capturing modes An image sensor includes a pixel array including a central region in which plural first pixels output first pixel information and a peripheral region in which plural second pixels output second pixel information, the peripheral region surrounding the central region. A size of a second pixel, of the plural second pixels, is 4n times greater than that of a first pixel, of the plural first pixels, n being an integer.
US11451730B2	Image sensor using a global shutter and method for controlling same An image sensor includes pixels each including: a first transistor and a first switch that are connected in series between a first node configured to receive a first potential and an internal node of the pixel, a gate of the first transistor being coupled with a floating diffusion node of the pixel; a capacitive element, a first terminal of which is connected to the floating diffusion node of the pixel; and several assemblies each including a capacitance connected in series with a second switch coupling the capacitance to the internal node. The sensor also includes a control circuit configured to control, each time a voltage is stored in one of the assemblies of a pixel, an increase of a determined value of a difference in potential between the floating diffusion node and the internal node of the pixel.
US11451722B2	Adaptive optics image acquisition method The invention relates to a method for acquiring an image by an imager (20) comprising a matrix of pixels configured to generate an electric response when exposed to an incident light flux travelling through an optical path (21) in which is arranged a wavefront correction element (22), comprising the following steps: 1) initiating the exposure of the pixels to the incident light flux; 2) for a plurality of iterations during the exposure: 2.1) non-destructive reading of the electric responses of pixels of a region of interest; 2.2) determining an evolution of the spatial distribution of pixels in logarithmic mode previous iteration with respect to the previous iteration; 2.3) based on said evolution, establishing a command for the wavefront correction element (22) in order to correct the wavefront; 2.4) configuring the wavefront correction element, 3) reading the electric responses of the pixels resulting in an image.
US11451721B2	Interactive augmented reality (AR) based video creation from existing video This disclosure describes a method including determining one or more object clusters from a plurality of frames of the video content. At least one of the one or more object clusters is an object cluster with movement through the plurality of frames. The method includes extracting the determined one or more object clusters from the plurality of frames to generate a set of frames having extracted one or more object clusters and outputting the set of frames having extracted one or more object clusters. This disclosure describes a method including receiving the set of frames having the extracted one or more object clusters, rendering one or more of the set of frames in a live camera feed of a device, and generating video content based on the rendered one or more set of frames and a user interacting with the extracted one or more object clusters.
US11451718B1	Detecting flicker bands using multi-exposure sensors Alternating Current (AC) light sources can cause images captured using a rolling shutter to include alternating darker and brighter regions—known as flicker bands—due to some sensor rows being exposed to different intensities of light than others. Flicker bands may be compensated for by extracting them from images that are captured using exposures that at least partially overlap in time. Due to the overlap, the images may be subtracted from each other so that scene content substantially cancels out, leaving behind flicker bands. The images may be for a same frame captured by at least one sensor, such as different exposures for a frame. For example, the images used to extract flicker bands may be captured using different exposure times that share a common start time, such as using a multi-exposure sensor where light values are read out at different times during light integration. Two or more images captured for a frame may be used for flicker band extraction, such as the two images that include flicker bands with the greatest phase difference.
US11451717B2	Multi-cell pixel array for high dynamic range image sensors A pixel includes an array of a plurality of photodiodes. The array of photodiodes includes a plurality of rows of photodiodes and a plurality of columns of photodiodes. The plurality of photodiodes includes a set of first photodiodes that has a first surface area and at least one second photodiode that has a second surface area that is smaller than the first surface area. The first photodiodes are arranged to be symmetric with respect to the at least one second photodiode. Output circuitry is electrically coupled to each of the first photodiodes in the set of first photodiodes. A switch is selectively, operably closed to electrically couple the output circuitry to the second photodiode.
US11451709B1	Increasing dynamic range of a virtual production display A processor performing postprocessing obtains an input image containing both bright and dark regions. The processor obtains a threshold between a first pixel value of the virtual production display and a second pixel value of the virtual production display. The processor modifies the region according to predetermined steps producing a pattern unlikely to occur within the input image, where the pattern corresponds to a difference between the original pixel value and the threshold. The processor can replace the region of the input image with the pattern to obtain a modified image. The virtual production display can present the modified image. A processor performing postprocessing detects the pattern within the modified image displayed on the virtual production display. The processor calculates the original pixel value of the region by reversing the predetermined steps. The processor replaces the pattern in the modified image with the original pixel value.
US11451708B1	Increasing dynamic range of a virtual production display A processor calibrates the camera by presenting an input image on the display to obtain a presented image. The camera, arbitrarily positioned relative to the display, records the presented image. The processor obtains the input image via a channel different from the display. The processor obtains an indication of a display region associated with the display. The processor determines an input image region corresponding to the display region, and a recorded image region corresponding to the display region. The processor obtains a first pixel value associated with the input image region and a second pixel value associated with the recorded image region. The processor determines a mapping between the first pixel value and the second pixel value, where applying the mapping to the second pixel value substantially produces the first pixel value. The processor stores an identifier associated with the recorded image region and the mapping.
US11451707B2	Image capture eyewear with auto-send A system including image capture eyewear, a processor, and a memory. The image capture eyewear includes a support structure, a selector connected to the support structure, a display system (e.g., LEDs or a display) connected to the support structure to distinctly display assignable recipient markers, and a camera connected to the support structure to capture an image of a scene. The processor executes programming in the memory to assign recipients to the assignable recipient markers, receive a captured image of the scene, receive an indicator associated with the assignable recipient markers distinctly displayed at the time the image of the scene was captured, and transmit the captured image to the recipient assigned to the distinctly displayed assignable recipient markers.
US11451706B2	Photographing method and mobile terminal A photographing method and a mobile terminal are provided. The photographing method includes: in a state where a first preview interface displays a first preview image collected by a camera, receiving a first input, inputted by a user, of selecting a target region on the first preview interface; in response to the first input, superimposing and displaying a second preview interface on the first preview interface, the second preview interface displaying a second preview image of the target region; receiving a second input inputted by the user; in response to the second input, performing a photographing operation and outputting a target image, wherein the target image is a composite image generated based on image contents displayed on the first preview interface and the second preview interface.
US11451704B2	Image capturing apparatus, method for controlling the same, and storage medium The present invention eliminates meaningless searching for an object, and increases the probability that an image the user likes can be obtained. An image capturing apparatus comprises an image capturing device configured to capture an object image, an object detection unit configured to detect an object from image data captured by the image capturing device, a state detection unit configured to detect information pertaining to a state in which the image capturing apparatus is being held, and a control unit configured to control a range in which the object detection unit searches for an object, on the basis of state information of the image capturing apparatus detected by the state detection unit.
US11451700B2	Game camera having camera control module A camera including first and second modules combinable to form the camera. The first module can be a camera module, and the second module can be a camera control module. In one embodiment, the camera module includes an image sensor, light source, and motion sensor, and the camera control module includes a power source receiver, camera control system, and image storage device port. The camera control module can be used separated from the camera module for functions such as viewing and editing images or camera settings.
US11451695B2	System and method to configure an image capturing device with a wireless network A system to configure an image capturing device with a wireless network is disclosed. The system includes a processing subsystem. The processing system is communicatively coupled to the image capturing device. The processing subsystem includes a data retrieving module, configured to retrieve data from at least one of a plurality of captured data associated with a wireless network. The processing subsystem includes a data analysing module, configured to analyse a plurality of retrieved data by an analysing technique in real time. The processing subsystem includes an identification module, configured to identify a corresponding wireless network based on a plurality of analysed data and also configured to generate command to connect with the corresponding wireless network. The processing subsystem includes a configuration module, is configured to connect the image capturing device with the corresponding wireless network based on a generated command in real time.
US11451692B2	Systems and methods for secure video devices Systems and methods for secure video devices are provided. A video device includes a privacy module that can be automatically or manually activated to obscure the field of view of the video device. The video device also includes a visual indicator for indicating when the camera has been activated, in order to alert individuals within view of the camera that the camera is active. The system can automatically detect when a privacy breach occurs (e.g., if an unauthorized user gains access to the camera) and can automatically activate the privacy module in response to the detected privacy breach in order to obscure the field of view of the camera and maintain the privacy of individuals within the field of view of the camera.
US11451691B2	Driving mechanism, camera module and electronic device Disclosed herein are a driving mechanism, a camera module and an electronic device. The driving mechanism includes: a driving component, a movable assembly, and a fixed assembly, wherein the driving component includes an elastic conductor element, a closed circuit, and a magnetic element; wherein the closed circuit is located in a magnetic field generated by the magnetic element, and is configured to communicate with the elastic conductor element to generate an electromagnetic force for overcoming an elastic force of the elastic conductor element; and wherein the elastic conductor element is fixedly connected with the fixed assembly, and is abutted against the movable assembly; and the elastic conductor element is configured to drive the movable assembly to move relative to the fixed assembly during a focusing function in response to determining that the electromagnetic force is greater than the elastic force of the elastic conductor element.
US11451688B2	Image scan line timestamping Techniques are disclosed for adding time data to scan lines of an image frame. In some examples, an image sensor may perform a rolling shutter image capture to produce the scan lines. Data captured by another sensor may be associated with at least a portion of a scan line based at least in part on the time data added to the scan line in some examples. Furthermore, techniques are disclosed for synchronizing data capture by multiple sensors. For example, a rolling shutter image capture performed by an image sensor may be synchronized with a data capture performed by another sensor.
US11451684B2	Processor having a plurality of cores and a controller that switches power states based on cores state An apparatus includes a control unit that switches a power state between first and second power states, the first power state being a state where one of a plurality of cores is usable and the other cores are unusable, the second power state being a state where the plurality of cores is unusable. Based on reception of the predetermined signal in a case where the apparatus is in the second power state, the control unit causes the apparatus to transition from the second power state to the first power state, and under a first condition to be met after the transition to the first power state in a case where the apparatus is in the first power state, the control unit causes the apparatus to transition from the first power state to the second power state.
US11451683B2	Image reading device A capacitance detection device includes a first electrode (1) and a second electrode (2) at least partially facing each other with a conveyance path (5) therebetween, the conveyance path extending along a conveyance direction in which a sheet-like detection object (3) is conveyed, an oscillating circuit to form an electric field (9) between the first electrode (1) and the second electrode (2), a detection circuit to detect a change in capacitance between the first electrode (1) and the second electrode (2), a first board (11) and a second board (12) including at least one of the oscillating circuit or the detection circuit, an insulative first plate (6) arranged between the first electrode (1) and the conveyance path (5), and an insulative second plate (7) arranged between the second electrode (2) and the conveyance path (5).
US11451681B2	Recording apparatus A recording apparatus includes a lower unit having a recording section configured to perform recording on a medium, and an upper unit disposed on the lower unit, the upper unit including a reading section configured to read an image of the document, in which the lower unit includes a medium discharge section configured to discharge the medium toward the rear of the apparatus, and a medium receiving section disposed on the apparatus rear side with respect to the medium discharge section, the medium receiving section being configured to receive the medium discharged, and the upper unit is shorter than the lower unit in the apparatus front-rear direction and the upper unit is closer to the apparatus front with respect to the lower unit such that an end portion of the medium receiving section in the medium discharging direction is exposed at the rear of the upper unit.
US11451671B2	Identification of 5G Non-Standalone Architecture traffic on the S1 interface Systems and methods include obtaining monitored traffic from an S1 interface; detecting a Secondary Radio Access Technology (RAT) Data Usage Report (DUR) in the monitored traffic; determining whether the Secondary RAT DUR relates to a 5G Non-Standard Architecture (NSA), and, if so, determining an address of a gNodeB in the Secondary RAT DUR; and storing the address of the gNodeB in a database. The systems and methods can include, for a call, updating a Call Detail Record (CDR) to reflect one of 5G NSA and 4G based on whether an address in the CDR is in the database.
US11451669B1	Method and system for providing access to a node of a shared resource A computer server system comprises a communications module; a processor coupled with the communications module; and a memory coupled to the processor and storing processor-executable instructions which, when executed by the processor, configure the processor to receive, via the communications module and from a first device, a signal including a request to schedule access to a shared resource within a time window; identify, based on a load projection for the shared resource, at least one time period within the time window for the access to the shared resource; send, via the communications module and to the first device, a signal including the at least one time period and requesting confirmation that a particular one of the at least one time period is acceptable; receive, via the communications module and from the first device, a signal including confirmation that the particular one of the at least one time period is acceptable; determine that a current time has reached the particular one of the at least one time period; and responsive to determining that the current time has reached the particular one of the at least one time period, provide access to a node of the shared resource, the node having available bandwidth.
US11451658B1	Systems and methods for proactive fraudster exposure in a customer service channel Methods for improved fraudster detection in a call center. A subset of a plurality of voiceprints from a plurality of interactions between callers and agents at a call center can be used as the basis for fraudster detection. A plurality of connected components that represents one or more voiceprints can be determined based on the subset of the plurality of voiceprints.
US11451649B2	Broadcasting signal frame generation apparatus and method using layered divisional multiplexing An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling time interleaver information shared by the core layer signal and the enhanced layer signal, using the time-interleaved signal.
US11451646B2	Content delivery system, delivery server, receiving terminal, and content delivery method A transmitting terminal can transmit a content held by itself to a specific receiving terminal having no email software as if using a mailer. The transmitting terminal (10) and the receiving terminal (20) are connected to a delivery server (30) via a network (4). The delivery server (30) comprises: a database (36) for registering the device ID that specifies the receiving terminal (20); a content storage (39) for temporarily storing a content transmitted from the transmitting terminal (10); and table (33, 37) for managing contents separately on a per device ID basis of the receiving terminal. The delivery server (30), when receiving a request from the receiving terminal (20), refers to the tables (33, 27) and transmits to the receiving terminal (20) a content, the transmission destination of which corresponds to the device ID of the receiving terminal (20).
US11451641B2	Method for enabling smart device to access network, network access method, apparatus, device, system and computer-readable storage medium A method for enabling a smart device to access a network can be applied to a server of an online shopping system, the method including: receiving a purchase order for the smart device submitted by a designated user, and determining the smart device shipped corresponding to the purchase order; and in response to that the purchase order includes at least one network configuration information, sending a write signal, the write signal is used to notify writing of the network configuration information to the smart device, so as to enable the smart device to access a network according to the network configuration information.
US11451639B1	Application integration into user profiles within a communication platform Techniques for providing an enhanced user profile to provide relevant information to a user requesting to view a user profile associated with another user. In an example, a first user submits a request to view a user profile associated with a second user. In response to receiving the request, the communication platform identifies one or more communication objects (e.g., communication channels, direct messaging instances, messages, threads, etc.) and/or one or more applications (third-party applications, first party applications, etc.) associated with the second user and/or the first user. The communication platform causes a display of indicator(s) associated with the communication object(s) and/or application(s) in association with the user profile, such as to enable efficient access to the associated communication object(s) and/or application(s). Additionally, the communication platform can identify additional contacts of the second user and/or inferred characteristics of the second user to present in association with the user profile.
US11451637B2	Method for migration of session accounting to a different stateful accounting peer A method for migrating a subscriber session from a first authentication, authorization and accounting (AAA) accounting peer to a second AAA accounting peer, where the first AAA accounting peer is stateful. The method includes receiving an accounting start packet from an AAA client application, forwarding the accounting start packet to the first AAA accounting peer, receiving an accounting update or accounting stop packet from the AAA client application; and sending an accounting start packet from the AAA client application to the second AAA accounting peer, in response to a connection failure with the first AAA accounting peer.
US11451634B2	Systems and method for using DCI-ESI to build highly scalable EVPN DCI networks Techniques disclosed herein provide a method for configuring a network in DCI environment. An EVPN session is established between a first gateway device of a first network, and a second gateway device of a second network that are linked by L2 DCI link. An ESI is allocated for that EVPN session. A label is created for every combination of the ESI and media access control virtual routing and forwarding table (MAC VRF) that is locally configured at the first gateway device. An EVPN path is received for a host in the first network that is associated with MAC VRF. The path in imported the first MAC VRF by the first gateway device and exported via the inter-DCI EVPN session. The second gateway device identifies a label for MAC and re-exports it in local EVPN session with the identified label.
US11451633B2	Methods, systems and apparatuses for application service layer (ASL) inter-networking A machine-to-machine (M2M) node is configured to provide a communication management function to facilitate communication between a first service layer in a first network and a second service layer in a second network. The M2M node is configured to store a plurality of attributes for use by the communication management function and to receive via the first network, a first message from a first application in the first service layer. The M2M node is configured to determine, based on at least a first attribute identifying an expiration time after which the communication management function does not facilitate communication, that the communication management function is available to process the first message. The M2M node is configured to determine, based on at least a second attribute defining an access control list identifying applications in the first service layer, that the communication management function is available to process the first message.
US11451632B2	System and method for supporting wired and wireless communications in industrial safety systems This disclosure provides an apparatus, system and method for supporting wired and wireless communications in industrial safety systems. The apparatus, system and method involve a safety management controller comprising one or more processors, one or more wired interfaces, and one or more wireless interfaces; wherein the safety management controller supports an application stack associated with an open industrial protocol that operates over multiple communication protocols, at least one of the communication protocols comprising a wired communication protocol, at least one other of the communication protocols comprising a wireless communication protocol.
US11451627B2	System and method for content management with intelligent data store access across distributed stores A configuration object is provided to configure a server. The configuration object can include storage node information for a first set of storage nodes available to a server. The configuration object determines, from the storage node information, a second set of storage nodes for inclusion in a map. The configuration object maps each storage node in the second set of storage nodes to a different index value in a set of index values. The configuration object receives an object identifier for a first object, transforms the object identifier into a resulting index value in the set of index values and, based on a determination that a first storage node is mapped to the resulting index value in the map, selects the first storage node as a target storage node for servicing a request to perform a first operation with respect to the first object.
US11451618B2	Universal voice assistant Described are systems and methods for enabling voice interaction with appliances, services (e.g., media streaming services, gaming services, news feed services, social platform services, etc.), and the like by way of appropriate supplied apps (also referred to as “skills,” “actions,” or the like) which may be presented or downloaded to a smart device having associated therewith one or more cloud-based voice service platforms.
US11451617B2	Event management server, information processing system, information processing device, and event participation management method Disclosed herein is an event management server for providing services related to participation in events to an information processing device that performs an information processing task using data provided as an event by a content provision server, the event management server including: an event information storage section adapted to store event-related information; and a correlation information preparation section adapted to acquire details of a user operation, extract events that match the details of the user operation, prepare event data that represents the events in a given format, transmit the data to the information processing device, acquire details of a user operation performed on the information processing device to register for participation, prepare registration information that correlates a user with the event, and store the registration information in a storage device. The correlation information preparation section extracts matching events on the basis of user information that includes the registration information.
US11451616B2	Terminal emulation over HTML A method for converting data between two data transfer protocols is described. The method includes receiving first HyperText Transfer Protocol (HTTP) enabled data from a first computer system. The method also includes converting the first HTTP-enabled data obtained from the first computer system to first remote terminal session data. The method also includes sending the first remote terminal session data to a second computer system via a remote terminal session.
US11451612B2	Network address resolution A content delivery method, and related apparatus, that involves the operations of receiving a request for a content resource including at least one embedded resource with a tag. Upon identification of the tag, using at least one delivery parameter to generate a modified embedded resource. Embedding the modified embedded resource in a content resource, such as an HTML document. Delivering, such as in response to request from a browser, the content resource with the modified embedded resource.
US11451611B1	Remote asset notification A system for providing remote monitoring of assets is disclosed. The system provides secure communication with one or more assets and receive operational data from the one or more assets. The system generates a graphical user interface that be used for selection of inputs from the one or more assets and specification of conditions to be applied to inputs for generation of alerts. The system can receive a selection of one or more asset outputs and two or more conditions. The conditions are applied to the selection of one or more assets to generate alerts when at least one of the conditions is satisfied.
US11451609B2	Technologies for accelerated HTTP processing with hardware acceleration Technologies for accelerated HTTP message processing include a computing device having a network controller. The computing device may generate an HTTP message, frame the HTTP message to generate a transport protocol packet such as a TCP/IP packet or QUIC packet, and pass the transport protocol packet to the network controller. The network controller compresses the HTTP header of the HTTP message, encrypts the compressed HTTP message, and transmits the encrypted message to a remote device. The network controller may segment the transport protocol packet into multiple segmented packets. The network controller may receive transport protocol packets that include encrypted HTTP message. The network controller decrypts the encrypted HTTP message to generate a compressed HTTP message, decompresses the HTTP message, and steers the HTTP message to a receive queue based on contents of an HTTP header. The network controller may coalesce multiple transport protocol packets. Other embodiments are described and claimed.
US11451601B2	Systems and methods for dynamic allocation of computing resources for microservice architecture type applications Systems and methods for auto-scaling computing resources for applications that rely on microservices, such as media streaming applications. In example embodiments, the systems and methods use a hybrid approach that takes into account proactive and reactive metrics to predict future processing needs. The proactive metrics use data obtained from the microservices pipeline. In example embodiments, computing units are deployed or removed from a cluster of computing units in anticipation of a future computational need and in consideration of quality of service requirements.
US11451592B2	Method and apparatus for user communication in live stream room, device and storage medium A method for user communication in a live stream room, apparatus, electronic device and medium are provided. An implementation of the method may include: in response to a request for creating a discussion group from a primary user, determining target secondary users from other participants in the live stream room except the primary user; sending an invitation message to the target secondary users for inviting the target users to join the discussion group; and creating the discussion group, with the primary user and a target secondary user who confirms joining as members of the discussion group, and associating thereto a user identification of the primary user, a user identification of a target secondary user who confirms joining, and an identification of the discussion group, to conduct an inner-group discussion among the members of the discussion group on the basis of the discussion group.
US11451590B2	Systems and methods for determining access outcomes using access request scoring Resources can be secured by a resource security system. The resource security system can determine whether to grant or deny access to resources using authorization information in an access request. The resource security system can also determine whether the access request is legitimate or fraudulent using risk scoring models. A score transformation table can be used to provide consistency in the risk level for a particular score over time. The score transformation table can be based on a target score profile and a precision format (e.g., integer or floating point). The score transformation table can dynamically adapt based on the trending top percent of risk and can account for changes in the distribution of scores over time or by weekday. The scores can be used to determine an access request outcome. Access to the resource can be accepted or rejected based on the outcome.
US11451587B2	De novo sensitivity metadata generation for cloud security The technology disclosed presents an improved endpoint data loss prevention (DLP) solution, referred to herein as “small-footprint endpoint DLP (sf-EDLP),” which enforces security policies at endpoints by relying on previously generated sensitivity metadata, rather than by performing content sensitivity scans at the endpoints. Since content sensitivity scans are computationally intensive and time consuming, sf-EDLP leads to a significantly simpler implementation, reduced runtime computation, and a smaller memory footprint; making it suitable for computationally constrained environments such as modern mobile devices.
US11451584B2	Detecting a remote exploitation attack A method of protecting a computer system against remote exploitation attacks performed over a network to which the computer system is connected. The method includes: a) identifying a network connection that is not associated with a successful authentication and which carries a traffic level in excess of a predefined threshold; b) reporting the identified network connection as a real or potential remote exploitation attack; and c) taking an action or actions to mitigate against the real or potential remote exploitation attack.
US11451583B2	System and method to detect and block bot traffic A system and method for bot detection utilizing storage variables are presented. The storage variables generated is used to analyze user behavior and distinguish human traffic from bot traffic. The system for detecting bot traffic using storage variables includes a client application, a computer network, a bot detector, a bot computer, a storage variable generator, and a server. The client device enables a user to access information through the client application. The storage variable generator is configured to generates a plurality of storage variables including counter storage variable. The bot detector analyses the presence of bots in incoming traffic.
US11451582B2	Detecting malicious packets in edge network devices Detecting a Denial of Service (DoS) attack in a network by a network edge router device whereby network traffic flows from the edge router to a core router in the network. Storing DoS attack traffic information in storage associated with the edge router which receives network traffic. Determining in the edge router if a portion of the received network traffic matches at least a portion of the stored DoS attack information. Determining in the edge router an alert condition exists if a portion of the received network traffic is determined to match at least a portion of the stored DoS attack information. Send an alert signal from the edge router to an attack mitigation device if it is determined an alert condition exists causing the attack mitigation device to transition to a mitigation state for mitigating effects of a DoS attack upon the network.
US11451580B2	Method and system of decentralized malware identification Non-limiting embodiments of the present technology are directed to a system and a method for ensuring cybersecurity, namely, to a method for distributed malware inspection and a system implementing the method. The method comprises receiving input data identifying a potential malware; checking the potential malware based on the input data; adding check parameters and at least one result of the potential malware check into the transaction pool; receiving results of the distributed check of the potential malware from the plurality of networked computer devices; determining a harmfulness parameter based on results of the distributed malware check of the potential malware; in response to the harmfulness parameter of the potential malware exceeds a predetermined threshold value, identifying the potential malware as malware; storing the identified malware and associated data related to the identified malware in the distributed malware register.
US11451579B2	System and method for protecting electronics systems of a vehicle from cyberattacks A method for protecting electronics systems of a vehicle from cyberattacks includes intercepting messages transmitted on a first communications bus between a plurality of Electronic Control Units (ECUs) of a vehicle. The ECUs are communicatively coupled to the first communications bus. At least one recipient ECU that is a recipient of the intercepted messages is determined. The intercepted messages and information indicating the determined at least one recipient ECU are stored in a log. The method further includes detecting a computer attack of the vehicle based on satisfaction of at least one condition of a rule by the stored messages and information in the log and blocking the computer attack of the vehicle by performing an action associated with the rule. The rule may depend on whether one or more intercepted messages are malicious messages and a recipient ECU of the malicious messages.
US11451577B2	System and method for improving training program efficiency A method for improving efficiency of a training program begins with a processor monitoring and adapting execution of a training exercise of the training program. The processor determines a training program effectiveness measure including determining trainee skill improvement demonstrated during the training exercise, and monitoring and determining correctness and timeliness of trainee actions during the training exercise. The processor then determines a training program cost measure by determining a first monetary cost for the execution of the at least one training exercise, determining a second monetary cost associated with trainee manhours for the training exercise, and generating the training program cost measure based on the first and second monetary costs. The processor then computes a ratio of the training program effectiveness measure to the training program cost measure.
US11451575B2	Method and system for determining cybersecurity maturity A method may include obtaining first cybersecurity data using a hardware probe disposed within a network. The first cybersecurity data may correspond to an analysis of the hardware probe regarding network data that is transmitted through the network. The method may further include obtaining second cybersecurity data using a software probe operating on a network element within the network. The second cybersecurity data may correspond to an analysis of the software probe regarding one or more configuration settings of the network element. The method may further include determining a cybersecurity maturity score using the first cybersecurity data and the second cybersecurity data. The cybersecurity maturity score may be based on a maturity model. The method may further include transmitting, based on the cybersecurity maturity score, a remediation command that adjusts a configuration setting of the network.
US11451574B2	Detecting security threats in storage systems using artificial intelligence techniques Methods, apparatus, and processor-readable storage media for detecting security threats in storage systems using AI techniques are provided herein. An example computer-implemented method includes obtaining historical performance data and historical capacity data pertaining to one or more storage objects within a storage system; determining supervised datasets pertaining to security threat-related data and non-security threat-related data by processing at least a portion of the obtained data using a first set of AI techniques; configuring a second set of AI techniques based at least in part on the determined supervised datasets; detecting one or more security threats in connection with at least one storage object within the storage system by processing input data from the at least one storage object using the second set of AI techniques; and performing at least one automated action based at least in part on the one or more detected security threats.
US11451571B2	IoT device risk assessment and scoring Techniques for establishing a risk score for Internet of Things (IoT) device parameters and acting in response thereto are disclosed. An applicable system includes IoT devices coupled to a progressive risk assessment system and a progressive risk alert engine. In a specific implementation, the system uses baseline risk, threat vectors, and behavioral risk to generate and update progressive risk scores associated with IoT devices in an IoT network.
US11451564B1	Systems and methods for threat disruption A method for disrupting a detected cyberthreat can include receiving a request, the request identifying suspected malicious content; identifying one or more indicators of compromise (IOCs) associated with the content; enriching the request with the IOCs; verifying the request; and reporting the verified request and the one or more IOCs to a disruption network.
US11451562B2	Recommending signals to monitor in a fraud prevention application A system, method and computer-readable medium for recommending signals to monitor in a fraud prevention application, including a server including an electronic processor. The electronic processor is configured to calculate a similarity score for one or more clients, and, for one or more signals, determine, for each of the one or more clients, a signal weight associated with the signal. The electronic processor is also configured to multiply the signal weight by the similarity score associated with the client to generate a weighted similarity score and generate a total similarity score and, for each signal, a total weighted similarity score. The electronic processor is configured to, for each signal, generate a recommendation score based on the total weighted similarity score for the signal and the total similarity score for the signal and, based on the recommendation scores, generate one or more recommended signals for a first client.
US11451558B2	Information system end user location detection technique A method at a computing device is described. The method comprises executing an application for verifying a location of a user requesting to access a location-based service, receiving, at the application, information indicating a location of the computing device, and encoding, with the application, at least the location to thereby generate a location token for responding to a challenge for the location token. The method further comprises outputting the location token from the application, the location token configured for use in applying a location-based access policy that controls access by the user to the location-based service.
US11451557B2	Service system and information registration method A service system includes a server that provides a service as a cloud service, and a device that receives the service, wherein a terminal device that is operated by a contract administrator sends identification information of the contract administrator and information related to a contract of the service, to the server, and wherein the server includes a user information storage unit that specifies a role associated with the identification information of the contract administrator, a communication unit that receives the identification information of the contract administrator and the information related to the contract, and an information registration unit that registers the identification information of the contract administrator, contract identification information generated based on the contract, and an operation privilege related to the contract based on the role specified in the user information storage unit, in association with each other, in a contract operation privilege information storage.
US11451555B2	Resource-driven dynamic authorization framework Embodiments concern a dynamic authorization framework. Security Classification Process (SCP) is the process of classifying raw data, information extracted from raw data, content or code from security-value perspective. Security Achievability Determination Process (SADP) is a process based on a SV/SC that has been assigned, the RHE may determine the Security Requirements and how the security requirements may be achieved. During the Security Achievability Listing Process (SALP), the RHE uploads onto the Resource Listing Entity (RLE) the URI of the resource, the SAM associated with the resource and optionally a digital certificate associated with the resource. During the SAM Assessment Process (SAMAP) process, a Client evaluates the security mechanisms that must be carried out in order to meet the SAM that was provided as part of the Discovery Process (DP). Based on the SAM obtained from the RLE, the Client may initiate a Security Achievability Enabling Process (SAEP). The Client may be required to initiate an Authentication, Authorization, Payment and obtain an assertion of secure behavior from a Security-Achievability Enabler Function (SAEF), which may be a trusted third-party Function or Entity.
US11451554B2	Role discovery for identity and access management in a computing system Methods, apparatuses, and systems are described for provisioning access rights in a computing system. A data structure may be created that corresponds to the access rights of a computing system. The data structure may be traversed to identify candidate bundles of access rights that correspond to patterns of access rights in the computing system. The candidate bundles of access rights may be evaluated to select one or more bundles to define as one or more roles in the computing system. The defined roles may then be provisioned to the users of the computing system as a replacement for the individual access rights. Various constraints may be applied to reduce the number of candidate bundles of access rights to evaluate.
US11451553B2	Sensor-based human authorization evaluation A resource-access management system detects whether a user is authorized to access resources. The system may include a user device being configured to include a sensor that detects sensor data associated with the user. Further, the system includes a client qualification engine that determines whether or not a client is authorized to access the resources by comparing the sensor data with a plurality of patterns for evaluating whether or not the user is an authorized user. User scores are generated based on the compared sensor data and the plurality of patterns. Further, a composite score corresponding to the user is generated using the sensor data, plurality of patterns, and one or more additional criteria. Whether the user is granted access to the resources, presented with unauthorized user tests, or blocked from access to the resources depends on the composite score and threshold values.
US11451551B2	System for licensing mobile applications, features, and devices A system for licensing an application or feature for use on a wireless mobile device is disclosed. The wireless device is provided to a user with a licensable application or feature, but the application or feature has not been fully authorized for use. When the wireless device receives a request to use the application or feature, the device operates the requested application or feature, and generates an irrevocable license request. The license request is transmitted to a license server at a time convenient for the device. The license server generates a license certificate to the application or feature, and transmits the license certificate to the wireless mobile device. The device receives the license certificate, which is stored in local memory. The application or feature is now fully licensed for future operation on the wireless mobile device. The license server operates accounting processes to generate license reports and license accounting information.
US11451548B2	Rule-based application access management A container that manages access to protected resources using rules to intelligently manage them includes an environment having a set of software and configurations that are to be managed. A rule engine, which executes the rules, may be called reactively when software accesses protected resources. The engine uses a combination of embedded and configurable rules. It may be desirable to assign and manage rules per process, per resource (e.g. file, registry, etc.), and per user. Access rules may be altitude-specific access rules.
US11451545B2	Cloud device identification and authentication Methods and apparatuses for authentication and/or provisioning of wireless network devices, and in particular, methods and apparatuses for authentication and/or provisioning of wireless network devices that are communicating with and may be monitored and/or controlled by a remote (e.g., cloud) server.
US11451537B2	Securing identity token forwarding Methods, systems, and computer-readable storage media for receiving, from a first component and by a second component in a cloud platform, a call, a token, and a first client certificate, determining, by the second component, a first client identifier associated with the first component, and determining, by the second component, that the first client identifier is included in a manifest of the token, the manifest defining at least a portion of a communication path between components within the cloud platform, and in response: executing functionality responsive to the call.
US11451536B2	User state monitoring system and method using motion, and a user access authorization system and method employing same Described are various embodiments of a system for monitoring a physical user presence during an authenticated user access session at an access point. In one embodiment, the system comprises a wireless digital user authentication device (UAD) operable to wirelessly establish the authenticated user access session, periodically communicate an authenticated presence code to actively maintain the session and acquire motion-related data during the session to capture a UAD departure motion representative of the user departing from the access point. The system further comprises a digital application operatively associated with the access point and operable to wirelessly establish the session with the UAD upon arrival at the access point, and periodically receive the authenticated presence code to maintain the authenticated user access session. The authenticated user session is terminated upon identifying the UAD departure motion from said the motion-related data.
US11451534B2	Secure, cloud-based data collection tool An approach is provided for generating a secure, cloud-based data collection tool for collecting data from computer resources of a target system. In an embodiment, the method comprises: receiving a request to perform a data collection on one or more target computer resources; based on the request, generating a customization specification; and transmitting the customization specification to a deployment engine to cause the deployment engine to: based on the customization specification, generate the customized collector that is specific to the data collection, and storing the customized collector at a particular location in a cloud storage; generate, and transmit to a custodian, a first notification that includes the particular location; generate a unique deployment key that is specific to the customized collector; generate a second notification that includes the unique deployment key; and transmit the second notification to the custodian separately from transmitting the first notification.
US11451530B2	Systems, methods, and apparatuses for implementing super community and community sidechains with consent management for distributed ledger technologies in a cloud based computing environment Systems, methods, and apparatuses for implementing super community and community sidechains with consent management for distributed ledger technologies in a cloud based computing environment are described herein. For example, according to one embodiment there is a system having at least a processor and a memory therein executing within a host organization and having therein: means for operating a blockchain interface to a blockchain on behalf of a plurality of tenants of the host organization, wherein each of the plurality of tenants are participating nodes with the blockchain; means for receiving a login request from a user device, the login request requesting access to a user profile associated with a first one of the plurality of tenants; means for authenticating the user device and retrieving a user profile from the blockchain based on the authentication of the user device, wherein the user profile is stored as a blockchain asset within the blockchain with a first portion of the user profile comprising non-protected data accessible to all participating nodes on the blockchain and with a second portion of the user profile comprising protected data accessible only to participating nodes having user consent; means for prompting the user device to grant user consent to share the protected data with a second one of the plurality of tenants; and means for sharing the protected data with the second one of the plurality of tenants by permitting access to the protected data within the blockchain asset by the second tenant's participating node. Other related embodiments are disclosed.
US11451529B2	Security migration in a business intelligence environment In various implementations, local identifiers associated with users may be utilized to enable access one or more functions in a Business Intelligence (BI) Environment. A mapping may be generated to associate local identifiers and users. The mapping may be utilized to enable access in the BI environment by retrieving the local identifier from a mapping and enabling access in the BI environment based on the local identifier. In various implementations, a user may access the system as another user.
US11451523B2	Methods and systems for secure sharing of data between user devices using a proxy re-encryption key (PRE) Embodiments disclosed herein relate to cryptology, and more particularly to secure sharing of data objects stored in the at least one cloud device between two user devices using the PRE. Embodiments herein disclose methods and systems for enabling a first user device to subscribe with a key server for uploading encrypted data object to at least one cloud device using the PRE. Embodiments herein disclose methods and systems for allowing the first user device to share the encrypted data object stored in the at least one cloud device with a second user through the key server using the PRE.
US11451520B2	Private network and application provisioning system Described herein are improved systems and methods for provisioning of private computer networks and application software as well as providing private SaaS.
US11451518B2	Communication device, server device, concealed communication system, methods for the same, and program A communication device includes a signature encryption unit that encrypts input information with a secret key and transmits the information to a server device if the communication device belongs to a group, and a signature decryption unit that downloads, from the server device, encrypted n−1 pieces of the input information transmitted from other communication devices and decrypts the encrypted n−1 pieces of input information with the secret key if the communication device belongs to a group. The communication device transmits session key generation information to the server device via the signature encryption unit, generates a session key using n−1 pieces of session key generation information acquired via the signature decryption unit and session key generation information of the communication device, transmits a cipher text encrypted with the session key via the signature encryption unit to the server device, and decrypts n−1 cipher texts acquired via the signature decryption unit with the session key.
US11451516B1	Device isolation service Systems and methods are described for implementing a device isolation service. A device isolation service creates and administers per-device virtual networks for individual computing devices, thereby isolating the computing devices from each other and limiting device-to-device communication. The device isolation service may further provide a monitored and access-controlled network that facilitates access to the isolated devices, thereby allowing “administrator” devices to access and administer devices while preventing a compromised device from seeing, probing, or compromising other devices on the network. The device isolation service may group devices by category or function, and may put devices that communicate with each other on the same virtual network while isolating other devices to different virtual networks.
US11451515B2	Access rule management Techniques managing access rules are provided. Access rules and their associated profiles are determined for evaluation. A triggering rate or a triggering percentage can be used to indicate efficacy of the rule. Recommendations can be provided based on a triggering percentage difference of the rule during a predetermined period of time. The recommendations can be provided in an interactive user interface.
US11451514B2	Optimizing rules for configuring a firewall in a segmented computer network An enforcement module receives management instructions from a segmentation server for enforcing a segmentation policy. The management instructions include one or more rules specifying one or more groups of workloads that a workload executing on the operating system instance is permitted to communicate with according to certain communication constraints, and membership information specifying workload identifiers for workloads in each of the groups. An optimization module processes the management instructions to reduce the number of rules and the number of workload groups to which the rules apply, thereby simplifying the firewall configuration. The enforcement module then configures a firewall according to the optimized rules to enforce the segmentation policy. The optimization process beneficially improves performance of the firewall and thereby enables more efficient enforcement of the segmentation policy utilizing fewer computing resources.
US11451513B2	Notification device and notification method A storage unit (14) stores a terminal identifier for identifying a terminal, locator information indicating a transfer node to which a terminal is connected, a candidate terminal identifier for identifying a candidate terminal that is a communication destination candidate of the terminal, and candidate locator information indicating a transfer node to which the candidate terminal is connected in association with each other. An acquisition unit (15a) acquires, from a transfer node to which a terminal is newly connected, mapping information in which a locator information indicating the transfer node and a terminal identifier of the terminal are associated and stores the mapping information in the storage unit (14). A notification unit (15b) notifies the transfer node to which the terminal is newly connected of the candidate terminal identifier and the candidate locator information stored in association with the terminal identifier that is acquired in the storage unit (14).
US11451512B2	Secure dynamic address resolution and communication system, method, and device The present invention is directed to systems and methods for providing secure dynamic address resolution and communication. Accordingly, a node may include processor and memory having instructions thereon, that when executed, cause the node to pair with another node. The pairing may include creating a DNS record on the node including a current address associated with the second node, this current address may be dynamically updated. The instructions may further allow the node to transmit a message to the second node, based on a resolved address from the DNS record on the first node. Authentication, dynamic message encryption and the provision of a DNS cache may further be implemented on the node.
US11451511B1	Audio-based systems, devices, and methods for domain services A system receives, at a translation device, a first domain name service request. The first domain name service request is from a voice-based communication device receives an audible request. The translation device translates the first domain name service request into a format recognizable by a service provider and then subsequently transmits the translated first domain name service request to the service provider. The service provider may perform a first domain name service in response to the translated first domain name service request to produce first domain name service information. The system may transmit the first domain name service information from the service provider to the translation device, which translates the first domain name service information into a format recognizable by the voice-based communication device and then subsequently transmits the translated first domain name service information to the voice-based communication device.
US11451509B2	Data transmission method and computer system A data transmission method includes determining that a first network address segment overlaps with a second network address segment, and creating at least two subnets on a virtual private cloud (VPC). The first network address segment is a network address segment of a subnet in which a target server is located, and configured to run on the VPC. The first network address segment belongs to a network address segment of the VPC. The second network address segment is a network address segment of a subnet in which a first electronic device is located. A network address segment of one of the at least two subnets on the VPC does not overlap with the first or second network address segment. Network interfaces in the at least two subnets are configured to sequentially forward a data packet being transmitted between the target server and the first electronic device at least two times.
US11451502B1	System architecture for message transportation management A message transportation management system can be configured to receive a message directed to a plurality of target message recipients. The system can determine a plurality of levels of activity, each corresponding to one of the plurality of target message recipients. The system can receive a level of activity threshold associated with each of the plurality of target message recipients. The system can determine that the first subgroup of target message recipients qualifies as priority target message recipients. The system can transmit, via a priority transfer location, the message to the first subgroup of target message recipients and transmit, via a default transfer location different from the priority transfer location, the message to a second subgroup of target message recipients.
US11451501B2	Systems and methods for filtering content provided via messages A rich communication services (RCS) system may receive a message associated with content. The message may be transmitted by a first user device and destined for a second user device and associated with content. The RCS system may receive subscription data associated with a user of the first user device and including information indicating whether content filtering is enabled for the user. The RCS system may determine whether content filtering is enabled for the user based on the subscription data, and may process the content, when the content filtering is enabled for the user and with a machine learning model, to determine whether to filter the content. The RCS system may perform one or more actions based on whether the content is to be filtered.
US11451498B2	Omnichannel communication widget A system is configured to receive a request from a client device to provide web content for a frame in a web document provided by a web server and transmit the requested web content to the client device. The requested web content comprises an application for providing a live chat function. The system is further configured to exchange a first plurality of messages between the client device and another system via the application, exchange a second plurality of messages between a further client device and the other system via a further communication channel, and display a uniform view of the messages on the client device via the application upon determining that the identifiers associated with the messages correspond to a single user. The messages in the uniform view are ordered in chronological order based on the dates and times of receipt or transmission of the messages.
US11451494B2	Packet order recovery in a programmable edge switch in a data center network Systems and methods include receiving incoming packets associated with flows in a data center network where the flows are forwarded on a per-packet basis; maintaining a state of each of the flows and of received incoming packets; and dequeuing the received incoming packets based on one or more packet dequeue conditions and the state. The edge switch can be one of a Top of Rack switch and a Network Interface Card (NIC) communicatively coupled to a corresponding server. The received incoming packets can utilize a transport protocol including any of Transmission Control Protocol (TCP), Xpress Transport Protocol (XTP), and Stream Control Transmission Protocol (SCTP).
US11451488B2	Resource path monitoring Systems and techniques are provided for a resource distribution system. Selected resource paths in a resource transfer network may be monitored. A quantity of an intermediate resource type to transfer into resource pools in the resource transfer network may be determined. Each of the resource pools may be associated with a leg that can be part of a route with two legs for one or more of the selected resource paths. Instructions decrementing a register in a repository resource pool by the determined quantities of the intermediate resource type to be transferred into the resource pools in the resource transfer network and incrementing a register in each of the resource pools in the resource transfer network by the determined quantity of the intermediate resource type to be transferred into that resource pool when the determined quantity is greater than zero may be generated and caused to be executed.
US11451484B2	Path selection for an application based on a performance score in a software-defined network A method may include receiving a data flow of an application directed to the destination in a software-defined network (SDN). The method may also include identifying a classification of the application. The method may additionally include identifying a set of performance thresholds associated with the classification of the application. The method may also include determining a current performance of the data flow of the application in the SDN. The method may also include generating a performance score for the application based on the set of performance thresholds and the current performance of the data flow of the application in the SDN. The method may further include causing the performance score for the application to be presented via an interface.
US11451483B2	Flash crowd management in real-time streaming A real-time streaming service predicts an incoming flash crowd event and manages computing resources to respond to the event before traffic peaks, thus reducing the likelihood that the streaming service's resources will be overwhelmed. Embodiments of a real-time streaming server predict a flash crowd event by detecting actions by client devices during a multi-step process to access a real-time content stream from an endpoint server cluster. Initially, the endpoint server has first computing resources configured to stream the content stream to the client devices. The streaming server provisions second computing resources at the endpoint server based on a rate at which the client devices perform an action associated with a first step in the multi-step process. The second computing resources are configured to stream the real-time content stream based on a rate at which the client devices perform an action associated with a second step in the multi-step process.
US11451481B2	Network control apparatus and network control method A data collection unit of an NW controller (6) collects, from an L2SW (5) constituting an L2NW (4), uplink observation data indicating traffic volume of a session request packet addressed to an application server 2 and downlink observation data indicating traffic volume of a session response packet transmitted from the application server 2, which are acquired by observing packets input to the L2SW (5). A control unit changes shaping rate of the packets addressed to the application server (2) through the L2SW (5) included in the L2NW (4) based on a ratio between the traffic volume indicated by the uplink observation data and the traffic volume indicated by the downlink observation data, or a ratio between an increment of the traffic volume acquired from the uplink observation data and an increment of the traffic volume acquired from the downlink observation data.
US11451479B2	Network load distribution device and method A network load balancing apparatus has a data buffer provided to each communication path of transfer destinations of a received packet and being associated with a virtual function, determines a destination virtual function based on a field value of the received packet, determines a communication path of a transfer destination of a packet to be subject to priority control based on a first hash value calculated using the field value, determines a communication path of a transfer destination of a packet to be subject to load balancing control, to match a preset load balancing situation of the data buffer, based on a second hash value based on the first hash value, and transmits the packet to a data buffer corresponding to the destination virtual function and the communication path of the transfer destination.
US11451478B1	Distributed tactical traffic engineering (TE) using loop free alternative (LFA), remote-LFA (R-LFA) and/or topology independent-LFA (TI-LFA) secondary paths A tactical solution to network congestion is provided by a data forwarding device having (1) a first interface with a first link to a downstream data forwarding device and (2) second interface with a second link to a downstream data forwarding device, and executing a method comprising: (a) configuring the second interface as part of a loop-free alternate (LFA) path to a destination device, wherein the first interface is part of a shortest/preferred path to the destination device; (b) monitoring congestion at the first interface to determine whether or not the congestion exceeds a first threshold; and (c) responsive to a determination that the congestion exceeds the first threshold, forwarding at least some data addressed to the destination device, over the LFA path via the second interface instead of over the shortest/preferred path via the first interface, thereby alleviating congestion at the first interface, and otherwise, responsive to a determination that the congestion does not exceed the first threshold, not forwarding at least some data addressed to the destination device, over the LFA path via the second interface instead of over the shortest/preferred path via the first interface.
US11451477B2	Load balanced access to distributed endpoints A system and method for endpoint selection in a global accelerator system. The global accelerator system includes client devices communicating with a global access point to access various endpoints that can host services. Multiple endpoints are grouped geographically according to different data centers. Client service requests are received at a global access point, which in turns selects an endpoint to service the request. A selection mechanism utilized by the global access point implements a distribution algorithm that facilitates that distribution of endpoint requests according to a product of distribution criteria and geographic criteria. Additionally, the global access point can then identify individual endpoints within the group to process the request using a consistent hashing algorithm that ensures an endpoint can be continuously selected over the course of interaction with a client.
US11451474B2	Equal cost multi-path with bit indexed explicit replication Various systems and methods for performing bit indexed explicit replication (BIER). For example, one method involves receiving a packet at a node. The packet includes a bit string. The node selects forwarding information based on a flow value associated with the packet. The forwarding information includes a forwarding bit mask. The node then forwards the packet based on the bit string and the forwarding information.
US11451473B2	Egress mirroring packets to CPU using recirculation Egress mirroring packets to a CPU includes processing ingress packets in a forwarding pipeline; egressing one or more packets from the forwarding pipeline to a first physical port of the switch; mirroring the one or more packets on the first physical port to a second physical port of the switch; recirculating the one or more packets on the second physical port to the forwarding pipeline, wherein the one or more packets on the second physical port become ingress packets on the second physical port and processing the recirculated one or more packets in the forwarding pipeline includes identifying packets that ingress on the second physical port; and sending the identified packets to a central processing unit (CPU) in the switch.
US11451471B2	Using PCE as SDN controller Embodiments relate generally to systems and methods for transitioning a system from a tradition network to a Software Defined Network (SDN) enabled network. In some embodiments, the systems and methods may comprise the use of a Path Computation Element (PCE) as a central controller. Smooth transition between traditional network and the new SDN enabled network, especially from a cost impact assessment perspective, may be accomplished using the existing PCE components from the current network to function as the central controller of the SDN network is one choice, which not only achieves the goal of having a centralized controller to provide the functionalities needed for the central controller, but also leverages the existing PCE network components.
US11451468B2	Management framework for BIER in-band traffic accounting and path monitoring A method is performed at a router configured to perform Bit Index Explicit Replication (BIER) for forwarding of multicast packets in a network. The method includes, upon receiving a multicast packet of a multicast flow, accessing flow mappings in which multicast flows are mapped to fixed accounting values corresponding to the multicast flows. The method further comprises generating a BIER header for the multicast packet by encoding a multi-segment entropy field of the BIER header with (i) a variable entropy value for equal-cost multi-path (ECMP) load balancing, and (ii) a fixed accounting value among the fixed accounting values that is mapped to the multicast flow in the flow mappings. The method also includes encapsulating the multicast packet with the BIER header to produce an encapsulated multicast packet, and forwarding the encapsulated multicast packet.
US11451466B2	Controlling route Disclosed are a method and a device for controlling an EVPN route. According to an example of the method, when receiving an EVPN route from a second VTEP device, a first VTEP device checks whether the EVPN route carries a role attribute. When determining that the EVPN route carries a role attribute and the carried role attribute is a specified first role attribute value, the first VTEP device controls the distribution of the EVPN route according to a set route synchronization control strategy.
US11451458B2	Method and software defined network controller for performing round-trip time determination between a source element and a target element A method performs round-trip time determination between a source element and a target element, the source element is a forwarding element of a software defined network, which also includes a software defined network controller for controlling the forwarding elements. The method includes: instructing the source element to install a low priority detection rule, the low priority detection rule being triggerable by an incoming pong probe packet; instructing the source element to install at least one high priority detection rule having a timeout period, the high priority detection rule being triggerable by the incoming pong probe packet; instructing the source element to send a ping probe packet from the source element to the target element; deriving an estimate range for the round-trip time based on the detection rule being triggered by the pong probe packet received by the source element from the target element in response to the ping probe packet.
US11451450B2	Scalable control plane for telemetry data collection within a distributed computing system An example control plane that is executed on one or more processors in a distributed computing system is configured to receive an indication of a node to be onboarded into the distributed computing system, wherein the node comprises one of a compute node or a network device node, to discover one or more compute resources or network device resources that are associated with the node, and to assign, based on the discovery, the node to a collector that is executed in the distributed computing system, wherein the collector is configured to collect real-time telemetry data for the node during operation of the node. The control plane is further configured to receive, from the collector, the real-time telemetry data for the node that is collected by the collector, and to output, for display, a visual representation of the real-time telemetry data for the node.
US11451447B1	Container workload monitoring and topology visualization in data centers Techniques for container management and topology visualization are provided. A network topology of a data center is determined, where the network topology includes a plurality of physical servers. A plurality of containers executing in the data center is identified, and for each respective container of the plurality of containers, a respective server from the plurality of physical servers that is executing the respective container is determined. An augmented network topology is generated by correlating the network topology and the determined server executing each container, where the augmented network topology indicates relationships among the plurality of containers and physical resources in the data center.
US11451446B2	Device management system, network device, device management method, and computer-readable medium A system includes a device management apparatus. The device management apparatus includes: one or more memories; and one or more processors. The one or more processors are configured to: store user group information that defines at least one user group, each user group being a group of one or more users; store device group definition information that defines at least one device group in association with at least one user group, each device group being a group of one or more network devices; store authority information of each device group associated with at least one user group; store association information that associates each of the network devices to be objects of management with at least one of the device groups; and determine whether to permit a user operation related to a network device belonging to a device group based on the authority information of each of the device groups.
US11451445B2	Efficient internet-of-things device configuration via quick response codes A central controller is configured to obtain a scan of a quick response (QR) code affixed to an internet-of-things (IoT) device. The central controller decodes the QR code to extract various operating parameters associated with the IoT device. The central controller then provisions a device controller for coordinating operation of the IoT device. The central controller configures the device controller based on the operating parameters, thereby allowing the device controller to coordinate operations of the IoT device in a device-specific manner. The central controller may then install the device controller on the IoT device, or cause the device controller to coordinate IoT device operations across a network. With this approach, a technician is no longer required to manually obtain IoT device operating parameters or input those parameters to a central controller, thereby streamlining the IoT device installation process.
US11451441B2	Management of edge dictionary containers in content nodes of a content delivery network Described herein are enhancements for operating content nodes in a content delivery network. In at least one implementation, a content node deploys a request handler configuration and a key-value object, wherein the key-value object includes one or more key-value pairs and wherein the request handler configuration calls, in response to a content request from an end user device, the key-value object using a key associated with the content request and the key-value object returns a value associated with the key. The content node further obtains a request to modify the key-value object, identifies a modification to the key-value object based on the command, and updates the key-value object with the modification.
US11451433B2	Signal transmission method, related device, and system This application discloses a signal transmission method, related devices, and a system. The method includes: sending, by a terminal, link reconfiguration request information to a network device at a moment n, where the link reconfiguration request information is used to initiate link reconfiguration; and detecting, by the terminal based on first information, a physical downlink control channel (PDCCH) during a first time period after the moment n. The first information includes QCL information of a first reference signal and a second reference signal. The first reference signal is used to demodulate the PDCCH. The second reference signal is a reference signal meeting a first threshold.
US11451432B2	Timer configuration for new radio-unlicensed and new radio-shared spectrum Timer configurations for new radio (NR) unlicensed (NR-U) and NR shared spectrum (NR-SS) operations are disclosed. In NR-U and NR-SS operations, certain event timers may be interrupted by a user equipment (UE) when it detects that its serving base station has failed a listen before talk (LBT) procedure, thereby losing access to the shared communication spectrum. When the UE detects a subsequent successful LBT, it resumes the progression of the event timer. In NR-SS operations, the UE may also interrupt the applicable timers either in all slots dedicated to another operator or in all slots in which the serving base station does not have transmission access.
US11451431B2	Method for controlling server device, recording medium, server device, terminal device, and system Provided is a method for controlling a server device for providing a service which enables users to be associated with each other and includes a storage unit for storing, for each user provided with the service, information on different users associated with the user, information on each event provided in the service and information on each user participating in the event. The server device transmits an event list including the information on each event to each user device, lets the user participate in an event selected from the event list when receiving a request to participate in the event from each user device, makes the event proceed when receiving a request to proceed with the event from each user device, and associates and stores, when the event is over, the information on the users participated in the event in the storage unit, thus associating the users with each other.
US11451429B2	Modulation including zero-power states in 5G and 6G Modulation schemes are disclosed that include one or more zero-power modulation states, in which the transmitter briefly emits zero or very low signal for one resource element of a message in 5G or 6G networking. In phase-modulated examples such as QPSK, an additional zero-power state can provide higher information density and shorter message sizes. In pulse-amplitude modulated schemes, the additional states can have zero power in one or both branches, thereby providing multiple additional modulation options. The receiver can readily detect and interpret the zero-power modulation states. Messages transmitted including the zero-power modulation states are generally shorter (in time or in bandwidth) due to the higher information density, and involve substantially lower energy expenditure because the message size is smaller, and because some of the states have zero or very low transmission power. Receivers also can benefit from the smaller size messages. Special zero-power states can be reserved for indicating the start and end of each message, for example.
US11451428B2	Configurable reference signal time difference measurement (RSTD) search window Disclosed are methods and apparatuses for providing configurable reference signal timing difference (RSTD) search windows for positioning. In an aspect, an RSTD search window is configured based on a positioning reference signal (PRS) configuration. The RSTD search window is provided to the UE. A plurality of PRS is transmitted from a network entity to a user equipment (UE), each PRS having the PRS configuration. The plurality of PRS are transmitted in a subset that is less than all subcarriers over a given bandwidth.
US11451425B2	Peak-to-average power ratio (PAPR) reduction techniques Techniques for peak-to-average power ratio (PAPR) reduction are described. Wireless devices may use one or more PAPR shaping resources, such as expanded bandwidth and/or pulse-shaping filtering, for shaping a signal to reduce PAPR. For example, expanded bandwidth may be utilized for adding a cyclic affix (CA), such as may comprise a cyclic prefix (CP), cyclic suffix (CS), etc., and combinations thereof, to a frequency domain data signal to provide a CP augmented frequency domain data signal used to generate a reduced PAPR time domain data signal. Additionally or alternatively, pulse-shaping filtering may be applied to a frequency domain signal to provide a pulse-shaped frequency domain data signal used to generate a reduced PAPR time domain data signal. Other aspects and features are also claimed and described.
US11451422B2	Transmission apparatus and transmission method for transmitting a control signal in a wireless communication system An transmission apparatus of the present disclosure comprises a transmission signal generator which, in operation, generates a transmission signal that includes a legacy preamble, a non-legacy preamble and a data field, wherein the non-legacy preamble comprises a first signal field and a second signal field, the second signal field comprising a first channel field and a second channel field, each of the first channel field and the second channel field comprising a common field that carries resource unit (RU) allocation information and a user-specific field that carries per-user allocation information for one or more terminal stations, and wherein a part of the user-specific field of one of the first channel field and the second channel field whichever is longer than the other channel field in length before appending padding bits is relocated to the other channel field; and a transmitter which, in operation, transmits the generated transmission signal.
US11451417B1	Power-efficient nonlinear equalizers and methods One illustrative equalizer converts a receive signal into a sequence of symbol decisions using: a linear filter that filters the receive signal as part of deriving a first sequence of equalized signal samples; a first decision element that derives a tentative sequence of symbol decisions from the first sequence of equalized signal samples; a nonlinear filter that, when enabled, applies nonlinear compensation to the linearly filtered receive signal as part of deriving a second sequence of equalized signal samples; a second decision element that, when enabled, derives replacement symbol decisions from the second sequence of equalized signal samples; a subtraction element that calculates an equalization error for each symbol decision in the tentative sequence; and a controller that selectively enables the nonlinear filter and the second decision element to obtain a replacement symbol decision for each symbol decision in the tentative sequence having an equalization error greater than a predetermined value.
US11451412B2	Method for enabling nodes of heterogeneous communication protocols to share a single bus by adapting to one of the heterogeneous communication protocols and device for said method A device of the present invention incorporates a data block, received from a Communication Module (CM) connected via an interface, into a frame of a specific format in which a preamble for data synchronization is placed at a head, and transmits the frame to the bus while taking only a data block formed in compliance with an arbitrary Communication Protocol (CP) from a series of frames of the specific format that are constituted from signals detected from the bus. When transmitting data to the bus, the device inserts a code indicating the arbitrary CP into a head part of the preamble, and when a signal corresponding to the head part of the preamble detected from the bus is identified as the code indicating the arbitrary CP, it takes a frame with the identified code to transfer a data block within the taken frame to the CM through the interface.
US11451411B2	First relay device, second relay device, and relay system A first relay device for installation at a vehicle, the first relay device comprising, a first memory and a first processor coupled to the first memory. The first processor being configured to receive a communication frame transmitted from another relay device. The first processor being configured to based on first relay information, in which destination address information expressing a destination address of a communication frame and a relay target bus are associated with each other, and based on the destination address information included in the received communication frame, identify the relay target bus. The first processor being configured to in a case in which the relay target bus of the received communication frame is not identified, output an anomaly notification signal indicating an anomaly to the other relay device.
US11451410B2	Subscriber in a bus system, method for operation and a bus system A bus system, a method for operating a bus system and a participant of a bus system are provided. The participant includes a timer and a transceiver circuit. The transceiver circuit is configured to receive a data packet having a time stamp value via a bus. The timer is configured for synchronization, based on the time stamp value. The timer is configured to change the time stamp value. The transceiver circuit is configured to transmit the data packet with the changed time stamp value via the bus.
US11451405B2	On-demand emergency management operations in a distributed computing system Various methods and systems are provided for providing on-demand emergency management. On-demand emergency management includes emergency management operations (e.g., certificate update operations or managed-secrets rollover operations) for accelerated deployment and expedited installation of certificates or secrets. In operation, a host secret manager on a host machine communicates with client secret managers on virtual machines running the host machine, to provide expedited installation of secrets on the virtual machines. During the certificate update operations, the host secret manager communicates the certificate update secret package having a new secret state to a client secret manager that installs the new certificate state on the virtual machine. And, during managed-secrets rollover operations, based on accessing a managed-secrets rollover secret package having a notification-based new secret state, the host secret manager polls a dSMS service, and communicates with a client secret manager, such that client secret manager installs the new secret on the virtual machine.
US11451403B2	Verification method, information processing device, and non-transitory computer-readable storage medium for storing verification program A verification method implemented by a first system including a plurality of computers, the method includes: calculating a first hash value for an original document; calculating a second hash value for an original document by using the first hash value; calculating a first modified version's first hash value for the first modified version document; calculating a first modified version's second hash value that is a hash value obtained by combining the first modified version's first hash value and the original document's second hash value; in response to a second modified version document obtained by modifying the first modified version document, calculating a second modified version's first hash value for the second modified version document; and calculating a second modified version's second hash value that is a hash value obtained by combining the second modified version's first hash value and the first modified version's second hash value.
US11451401B2	User device gated secure authentication computing systems and methods A system is provided that allows users to execute a secure transaction that is authenticated by their user device. Personally identifiable information (PII), such as, but not limited to, biometric authentication data, is locally stored on the user's device so as to protect the PII. A user device private key is associated with the particular user device and the user, and the corresponding public key is registered with a User Device Authentication Alliance server (UDAAS) system. In an online transaction, a LoginID server or an Access Control server interact with the UDAAS to confirm the user is authentic and has confirmed the transaction.
US11451398B2	Management of interoperating machine learning algorithms A computer implemented method of validating use of a computing resource by a an executing requester software module from a plurality of discrete software modules, the method including validating a characteristic of the requester software module; generating a first transaction defining criteria for consumption of the computing resource by the requester software module, the first transaction being encrypted with a private key from a public key/private key pair and being added as part of a block of transactions to a blockchain data structure; generating a subsequent encrypted transaction corresponding to a request of the requester software module to consume the computing resource, the subsequent transaction referring to the first transaction, wherein the subsequent transaction is validated by a transaction miner computing component from a plurality of miners by authenticating the transaction using the public key and verifying compliance with the criteria defined in each transaction.
US11451396B2	False positive reduction in electronic token forgery detection Disclosed embodiments provide for detection of fraudulent electronic security tokens. A compromised private key allows forgery of electronic security tokens, which then allow access to computer resources. Some embodiments track sequence numbers issued by a token issuing authority and are then able to predict sequence numbers issued by the token issuing authority going forward. Some embodiments also determine validity of a token based, at least in part, on a service or client attempting to access resources using the token. For example, some of the disclosed embodiments maintain reputation data for clients or services utilizing electronic tokens, and make determinations on whether a token is likely valid based on the client or services reputation.
US11451393B2	System and method for distributed general-purpose computing with cryptotoken payment system A system and method for distributed general-purpose computing with cryptotoken payment system provides a full system that integrates a slow Blockchain Cryptotoken with a fast Directed Acyclic Graph Blockchain Cryptotoken. The instant invention provides: (1) a hybrid Cryptocurrency/Cryptotoken system that allows for very fast transactions to happen decoupled from the slow transactions of normal Cryptocurrencies (2) a mechanism to verify the processing of data and payments to the End User's wallet for the processing of that data that can in turn be used for In App purchases or in game purchases of items and (3) mechanisms for the transfer of unprocessed and processed data to the client or customer.
US11451392B2	Token-based secure data management In some implementations, tokens that are representative of sensitive data may be used in place of the sensitive data to maintain the security of the sensitive data. For example, data may be separated into sensitive data and nonsensitive data, and at least the sensitive data is securely delivered to a data storage service. The data storage service generates a token that is representative of the sensitive data and stores the sensitive data as secure data. The data storage service may deliver the token to an entity that also receives the nonsensitive data, and the entity may use the token in place of the sensitive data. In some implementations, different tokens are generated each time the same piece of sensitive data is submitted for storage as secure data. Further, in some implementations, An expiration time may be assigned to sensitive data, and expired data and associated tokens may be deleted.
US11451390B2	Methods for minimizing an error condition with separately generated secret keys based upon one or more shared characteristics and devices thereof A method, non-transitory computer readable medium and device that minimize error conditions with substantially simultaneously and independently generated secret keys includes synchronizing with a mobile device configured to execute a corresponding key generation process. Data obtained based on at least one shared characteristic with the synchronized mobile device is converted into a plurality of binary numbers. At least one bit for each of the plurality of binary numbers which are at least measurably random is identified. An error condition with any of the determined bits for the plurality of binary numbers is identified. At least a portion of the determined bits for the plurality of binary numbers without the detected error condition are selected. A key is generated based on the selected determined bits for the plurality of binary numbers for use in securing communications with the synchronized mobile device.
US11451385B2	Biometric public key system providing revocable credentials A device generates a biometric public key for an individual based on both the individual's biometric data and a secret S, in a manner that verifiably characterizes both while tending to prevent recovery of either. The biometric data has a Sparse Representation and is encoded in a manner to include a component of noise, such that it is challenging to identify which locations are actually encoded features. Accordingly, the biometric data are encoded as a vector by choosing marker at locations where features are present and, where features are not present, choosing noisy data. The noisy data may be chaff bit values selected collectively from a group of (a) random values and (b) independent and identically distributed values. The biometric public key may be later used to authenticate a subject purporting to be the individual, using a computing facility that need not rely on a hardware root of trust.
US11451381B2	Reaching agreement on a secret value A first device and a second device are disclosed for reaching agreement on a secret value. Herein, the second device comprises a receiver configured to receive information indicative of a reconciliation data h from the first device, a processor configured to compute a common secret s based on an integer value b, an equation, and system parameters. The processor is configured to compute b based on a key exchange protocol. The first device has a number a in approximate agreement with the number b. The first device comprises a processor configured to determine a common secret s based on an integer value a an equation, and system parameters, and determine a reconciliation data h. The first device further comprises a transmitter configured to transmit information indicative of the reconciliation data h to the second device.
US11451380B2	Message decryption dependent on third-party confirmation of a condition precedent Message decryption dependent on third-party confirmation of a condition precedent is disclosed. A message is encrypted with a message encryption key to form an encrypted message. A message decryption key that is configured to decrypt the encrypted message is encrypted with a key of a first entity to which the message is to be disclosed upon occurrence of a condition precedent to form an encrypted message decryption key. The encrypted message decryption key is encrypted with a key of a second entity configured to confirm the occurrence of the condition precedent to form a double encrypted message decryption key. A condition identifier that identifies the condition precedent is generated. The encrypted message, the double encrypted message decryption key, and the condition identifier are sent to the first entity.
US11451379B2	Semiconductor package information In examples, a non-transitory computer-readable storage medium stores executable code, which, when executed by a processor, causes the processor to receive a semiconductor package image, the image including semiconductor package surface codes, the codes including a semiconductor package identifier. The executable code causes the processor to transmit at least one of the semiconductor package identifier, the codes, or the image. The executable code causes the processor to receive information associated with the semiconductor package identifier. The executable code causes the processor to output the information via at least one of a display coupled to the processor, a speaker coupled to the processor, or the wireless transceiver.
US11451374B2	Automatic password rollover A first device nonce and a first Hash based Message Authentication Code (HMAC) of the first device nonce using an old password as a key is received. The received first HMAC is compared to a computed second HMAC of the received first device nonce using a stored old password as the key for a match. In response to the match, a third HMAC of a second device nonce using the stored old password as the key is computed. A change password acknowledgement message is sent to the first device that comprises the second device nonce and the third HMAC. A final secret is computed using a second device secret and the first device nonce. A new password using a key derivation function that uses the old password and the final secret is computed. Thus, a new password is generated without sending the password over a network.
US11451368B2	Encrypted information matching device, encrypted information matching method, and recording medium having encrypted information matching program stored thereon An encrypted information matching device 20 includes: a storage unit 240 in which representative information representing a group based on similarity in a characteristic and encrypted information to be matched belonging to the group are associated with each other and stored; an identification unit 231 which calculates a first similarity between the encrypted input information and the representative information stored in the unit 240, and which, based on the first similarity, identifies a group to be matched with the first input information; and a determination unit 232 which calculates a second similarity between the encrypted input information and the encrypted information to be matched that belongs to the group identified, in a state in which the input information and the information to be matched are encrypted, wherein the unit 232 determines the presence or absence of information to be matched which makes the calculated second similarity satisfy criteria.
US11451367B1	Techniques for enhanced clock recovery A receiver generates a stream of digital samples from an analog electrical signal that represents data conveyed to the receiver over a communication channel, where the stream of digital samples comprises current samples corresponding to a current timepoint, previous samples corresponding to a timepoint earlier than the current timepoint, and subsequent samples corresponding to a timepoint later than the current timepoint. The receiver generates previous, current, and subsequent phase offset signals based on the previous, current, and subsequent samples, respectively. The receiver uses the previous phase offset signal to adjust clock frequency and clock phase of the current samples, thereby resulting in current adjusted samples. The receiver adjusts clock phase of the current adjusted samples based on any one of the previous, current, and subsequent phase offset signals. In some examples, receiver adjusts the clock phase of the current adjusted samples based on the subsequent phase offset signal.
US11451365B2	Communications device and method of communications Methods for communications and of communication device involve determining a half-duplex communications mode for a communications device, and in response to determining the half-duplex communications mode for the communications device, disabling an echo canceller of the communications device and determining a time-division multiplex (TDM) communications schedule over a point-to-point communications link. In response to disabling the echo canceller and determining the TDM communications schedule over the point-to-point communications link, data transmission is conducted over the point-to-point communications link according to the TDM communications schedule without echo cancellation at the communications device. The TDM communications schedule specifies non-overlapping transmission time slots for different communications devices and a silent period for echo fade-out between consecutive transmission time slots of the non-overlapping transmission time slots.
US11451364B2	Method and apparatus for applying uplink 7.5 kHz frequency shifting when LTE cell and NR cell coexist in TDD band in next generation mobile communication system A communication scheme and a system therefor, which combines an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate than a 4th generation (4G) system is provided. The disclosure may be applied to a smart service (e.g., a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, a security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The disclosure provides a method of supporting an uplink transmission method for a user equipment (UE) when different systems coexist in a next generation mobile communication system.
US11451358B2	Medium access control (MAC) signaling for reference signal activation and quasi co-location indication in wireless communication networks Techniques are provided to control the activation of resource sets via medium access control (MAC) signaling. In some aspect, a radio network node generates a MAC message comprising a first field indicating whether a second field is present, or absent, in the MAC message, the second field identifying one or more resource sets among a plurality of resource sets which are to be activated or deactivated, and a third field comprising quasi co-location (QCL) information. The radio network node then transmits the MAC message to a wireless device.
US11451356B2	Resource configuration method and node This application relates to the field of communications technologies, and discloses a resource configuration method and a node. The method includes: sending, by an parent node of a first node, first configuration information to the first node; and then determining, by the first node based on the first configuration information, a second resource for communication between the first node and a child node served by the first node. In this way, the determined second resource can implement orthogonalization between DMRS ports of an access link of the first node and a backhaul link of the first node, and therefore, link performance is improved.
US11451352B2	Electronic device, wireless communication method, and computer-readable medium The present disclosure relates to an electronic device, a wireless communication method, and a computer-readable medium. According to one embodiment, provided is an electronic device comprising a processing circuit and used for a user equipment side; the processing circuit is configured to control to transmit a non-precoded first uplink reference signal, receive feedback by a base station regarding the first uplink reference signal, and sending, on the basis of said feedback, a pre-coded second uplink reference signal.
US11451346B2	Communication device, infrastructure equipment and methods A communications device configured to receive data transmitted as encoded data packets from an infrastructure equipment of a wireless communications network. Each of the encoded data packets are transmitted as a control signal component and a data signal component. The control signal component carries control information for detecting and decoding the data signal component in which the encoded data carried by the encoded data packet is transmitted. As part of the ARQ-type protocol, at least the control signal component may be re-transmitted. By including with the control information carried by the retransmitted control signals an indication of at least a temporal location of the data signal component, which has already been transmitted and received in a buffer of a receiver, an improvement in a use of communications resource can be provided and also in some embodiments an improvement in a likelihood of correctly detecting and decoding an encoded data packet.
US11451345B2	Data transmission method, terminal, and RAN device A data transmission method is provided to resolve a problem of data transmission delay in a DRX mechanism. A RAN device sends, to a terminal in a DRX active period, first grant information that is used to perform initial transmission grant for first data. The RAN device sends, to the terminal in a retransmission active time in which the terminal expects to receive a retransmission grant for the first data, second grant information that is used to perform initial transmission grant for second data. Then the RAN device and the terminal remain in an active state in an activation extension time that is after sending of the second grant information.
US11451338B2	User terminal and radio communication method The present invention is designed to control retransmission properly in smaller units than TBs (for example, in units of CBs or in units of CBGs). According to one example of the present invention, a user terminal has a receiving section that receives a transport block (TB) including one or more codeblock groups (CBG), a transmission section that transmits retransmission control information that indicates an ACK or a NACK in response to each CBG, and a control section that, when at least one CBG in the TB is subject to retransmission, determines the number of bits of the retransmission control information based on the total number of CBGs in the TB or the number of CBGs that are retransmitted.
US11451336B2	Repetition transmission method and apparatus, network device, and computer readable storage medium Provided are a repeated transmission method and apparatus, a network device, and a storage medium. The method includes: determining a plurality of transmission occasions (TOs) for uplink data to be repeatedly transmitted; and in condition that at least one TO, among the plurality of TOs for the uplink data to be repeatedly transmitted, does not conflict with a transmission direction of a slot configuration, repeatedly transmitting the uplink data on the at least one TO.
US11451333B2	TBS determination with multiple base graphs Systems and methods are disclosed herein for determining and using a Transport Block Size (TBS) when two or more Low Density Parity Check (LDPC) base graphs can be used for LPDC coding. In some embodiments, a method comprises determining a Transport Block Size (TBS) for a transport block communicated between a network node and a wireless device via a physical channel transmission using a formula such that code block segmentation of the transport block results in equal sized code blocks independent of which of two different LDPC base graphs is used for the code block segmentation. The method further comprises transmitting or receiving the transport block according to the determined TBS.
US11451332B2	Checksum-aided forward error correction of data packets A method, device and system for correcting errors in a group of received packets having a redundant packet. The method includes determining an inconsistent bit indicator for a bit position of the packets, determining a bit reliability indicator indicative of a potential bit error location in at least one packet, calculating a number of potential bit error locations for the bit position and identifying a correctable bit location accordingly. A method, device and system for correcting an error in a received packet. The method is adapted to calculate a checksum value of the received packet, verify if the checksum value is indicative of at least one bit error in the received packet, identify a predefined Checksum Pattern Type (CPT) according to the checksum value and determine at least one bit error event (BEE) accordingly. A method, device and system for decoding a plurality of received fountain encoded symbols.
US11451331B2	Bit error correction for Bluetooth low energy Disclosed are methods and systems for a Bluetooth Low Energy (BLE) receiver to reduce the number of retransmission of packets needed to receive an error free packet so as to improve channel throughput. Techniques to reduce the number of retransmissions include a combination of processing of the header of the received packets to increase the number of corrupted packets available for reconstructing the original payload and bit error correction (BEC) of the payload of the corrupted packets. Header processing may include making available for payload reconstruction a packet whose received access address differs by no more than 1-bit from an assigned address of the receiver provided at least one of the corrupted packets used in the reconstruction contains an error-free access address. Header processing may also include using a prior error-free decoded length of the packet to aid in the determination of the length field of a current packet.
US11451330B2	Method for reducing false detection of successful decoding of cyclic redundancy check codes A network testing device may receive, from a base station, an encoded physical downlink control channel (PDCCH) payload and decode the encoded PDCCH payload to obtain candidate PDCCH payloads and to generate path metrics (PMs), wherein each PM of the PMs corresponds to one candidate PDCCH payload of the candidate PDCCH payloads. The network testing device may perform a cyclic redundancy check on each of the candidate PDCCH payloads to determine, from the PMs, a passing PM, and may determine, based on the PMs, a confidence value associated with the passing PM. The network testing device may discard, based on determining that the confidence value does not satisfy a threshold, the passing PM, or may output, based on determining that the confidence value satisfies the threshold, a candidate PDCCH payload corresponding to the passing PM. The network testing device may transmit, based on the candidate PDCCH payload, data to the base station.
US11451323B2	Rate matching behavior for bundled coresets A method and apparatus for determining rate matching behavior for a plurality of control resource sets (CORESETs) is provided. A base station (BS) bundles a plurality of CORESETs into a global resource set. The BS configures the global resource set for a User Equipment (UE). The BS determines resources assigned to a downlink data channel overlap at least a portion of the global resource set and determines whether data on the downlink data channel is to be rate matched around the global resource set or is to use resources in the global resource set. The BS transmits the data on the downlink data channel based on the determination of the rate matching.
US11451321B2	Method and apparatus for uplink transmission control A method and an apparatus for uplink transmission control are disclosed. According to an embodiment, a base station determines a channel metric for indicating uplink channel condition between the base station and a terminal device. The base station determines an uplink transmission format that is to be used for an initial transmission from the terminal device, based on the channel metric such that a spectrum efficiency for the initial transmission can be maximized.
US11451315B2	Transmission device, transmission method, reception device, and reception method The present technology relates to a transmission device, a transmission method, a reception device, and a reception method that permit efficient transfer of time and other information.The transmission device generates a physical layer frame having preambles and a payload that includes, in the preamble, time information representing time of a given position in a stream of physical layer frames and transmits the physical layer frame. The reception device receives the physical layer frame and performs processes using time information. The present technology is applicable, for example, to IP packet broadcasting.
US11451312B2	Mobile-assisted phase calibration method and system Disclosed is a method of calibrating phase alignment of signals from multiple transmit antennas on multiple channels during OTA testing of a MIMO DUT, including generating a noisy test signal by adding noise to a signal pattern and transmitting the noisy test signal to the DUT on first and second channels OTA and sweeping a relative phase of the signal pattern, but not the added noise, in the first and second channels, while receiving from the DUT reports of a SNR for a received signal on at least one of the first channel and subsequently on the second channels. The method also includes analyzing variation in the SNR to determine phase alignment of the first and second channels, as received and processed by the DUT and using the determined phase alignment to perform OTA testing of the DUT. The method can also include receiving a RSRP and/or a RSSI.
US11451306B2	Single quantum emitter single photon source and producing a single photon stream A single quantum emitter single photon source produces a single photon stream and includes: a single-mode excitation waveguide that receives a pump light, propagates pump light as resonant excitation light, and produces evanescent excitation light; a separation gap between single-mode excitation waveguide and a multi-mode intermediate waveguide; a multi-mode intermediate waveguide that: includes a single quantum emitter, evanescently receives the evanescent excitation light from the single-mode excitation waveguide, propagates the evanescent excitation light as resonant excitation light, and subjects the single quantum emitter to the resonant excitation light such that the single quantum emitter produces emitted single photons; and a single-mode output waveguide that receives the emitted single photons from the multi-mode intermediate waveguide and propagates the emitted single photons as an emitted single photon stream.
US11451302B2	Transmitter optical subassembly and optical module A transmitter optical subassembly may include an optical modulator for modulating output light from the light source. The optical modulator has a characteristic that a current depending on amount of optical absorption has a positive correlation with an applied voltage thereto. The transistor at the second terminal is connected in series to the optical modulator. A drive voltage applied to the optical modulator and the transistor is divided into a first voltage applied to the optical modulator and a second voltage applied to the transistor. A drive current flowing through the optical modulator and the transistor depends on the control signal input to the first terminal. The first voltage is based on the drive current and is subject to the characteristic of the optical modulator. The second voltage fluctuates in response to the first voltage.
US11451300B2	Optical communication interface utilizing n-dimensional double square quadrature amplitude modulation The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using nDSQ format(s) over optical communication networks. In certain embodiments, the communication interface is used by various devices, such as spine switches and leaf switches, within a spine-leaf network architecture, which allows large amount of data to be shared among servers.
US11451299B2	Passive optical network device A passive optical network device comprising a casing, printed circuit board, and fiber optic transceiver system is provided. The fiber optic transceiver system comprises a fiber optic components device, fiber optic transceiver, and RF connector. During operation, the fiber optic components device converts optical signals from the fiber optic transceiver to digital signals, and then transmits the converted digital signals to external electronic systems via the hot-pluggable transceiver connection interface. The fiber optic components device converts digital signals from the external electronic systems to optical signals, and then transmits the optical signals to other external electronic systems via the fiber optic transceiver. The RF connector transmits RF signals from additional external electronic systems to the external electronic systems via the hot-pluggable transceiver connection interface. The RF connector transmits digital signals from the external electronic systems to the additional external electronic systems via the hot-pluggable transceiver connection interface.
US11451298B2	System and methods for distribution of heterogeneous wavelength multiplexed signals over optical access network An optical network communication system includes an optical hub, an optical distribution center, at least one fiber segment, and at least two end users. The optical hub includes an intelligent configuration unit configured to monitor and multiplex at least two different optical signals into a single multiplexed heterogeneous signal. The optical distribution center is configured to individually separate the at least two different optical signals from the multiplexed heterogeneous signal. The at least one fiber segment connects the optical hub and the optical distribution center, and is configured to receive the multiplexed heterogeneous signal from the optical hub and distribute the multiplexed heterogeneous signal to the optical distribution center. The at least two end users each include a downstream receiver configured to receive one of the respective separated optical signals from the optical distribution center.
US11451292B2	Time division multiple access optical subcarriers A transmitter can include a laser operable to output an optical signal; a digital signal processor operable to receive user data and provide electrical signals based on the data; and a modulator operable to modulate the optical signal to provide optical subcarriers based on the electrical signals. A first one of the subcarriers carriers carries first TDMA encoded information and second TDMA encoded information, such that the first TDMA encoded information is indicative of a first portion of the data and is carried by the first one of the subcarriers during a first time slot, and the second TDMA encoded information is indicative of a second portion of the data and is carried by the first one of the subcarriers during a second time slot. The first TDMA encoded information is associated with a first node remote from the transmitter and the second TDMA encoded information is associated with a second node remote from the transmitter. A second one of the subcarriers carries third information that is not TDMA encoded, the third information being associated with a third node remote from the transmitter. A receiver and system also are described.
US11451290B2	Communication management unit with configurable interface A vehicle communication management unit is provided that includes at least one configurable communication interface, at least one memory and a communication controller. Each configuration communication interface is configured to interface signals between a communication link and the vehicle communication management unit using a select communication protocol. The memory is used to store operating instructions of the communication management unit including an interface configuration table. The interface configuration table includes communication operating parameters for select communication protocols. The communication controller is used to control communication operations of the communication management unit. The communication controller is configured to determine a type of communication protocol used in a communication link coupled to the at least one configurable communication interface. The communication controller is further configured to configure the at least one configurable communication interface with communication operating parameters stored in the configuration table associated with the determined type of communication protocol.
US11451286B2	Communication method and communications device thereof This application provides a communication method. The communication method includes: obtaining, by the database network element, training data, where the training data includes service transmission data and network data; sending, by the database network element, the training data to the data analytics network element; and receiving, by the database network element, first information from the data analytics network element, where the first information includes a first feature index list set, a service identifier corresponding to each feature index list in the first feature index list set, and a DNN corresponding to the service identifier.
US11451284B2	Multiplexing codebooks generated for transmissions having different service types Methods, systems, and devices for wireless communications are described. A user equipment (UE) may monitor for a first transmission of a first service type (e.g., enhanced mobile broadband (eMBB)) and a second transmission of a second service type (e.g., ultra-reliable low-latency communication (URLLC)). The UE may identify a feedback codebook size for the first service type. The UE may multiplex a first feedback codebook having the identified feedback codebook size and generated for the first transmission with a second feedback codebook generated for the second transmission. Multiplexing the first and second feedback codebooks may produce a multiplexed feedback codebook. In some cases, the UE may perform the multiplexing based on a feedback multiplexing condition being satisfied. The UE may transmit the multiplexed feedback codebook in a control channel (e.g., a physical uplink control channel (PUCCH)) or a shared data channel (e.g., a physical uplink shared channel (PUSCH)).
US11451282B2	Method and apparatus for transmitting and receiving uplink data in wireless communication system Disclosed herein are a method and a device for transmitting a message in an initial access procedure by a user equipment (UE) in a wireless communication system. According to the present disclosure, a UE may transmit to a base station capability information associated with transmission power of the UE and the information may include a subset including at least one transmit precoding matrix indicator (TPMI) supported by the UE. The UE may receive first control information for transmitting a message associated with an initial access and the control information may include a TPMI used for the UE to transmit the message. Thereafter, the UE may transmit to the base station the message by using transmission power determined based on the TPMI and the transmission power may be determined according to whether the TPMI is included in the at least one TPMI.
US11451281B2	Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology A multiple antenna system (MAS) with multiuser (MU) transmissions (“MU-MAS”) exploiting inter-cell multiplexing gain via spatial processing to increase capacity in wireless communications networks.
US11451278B2	Reciprocity-based transmission Embodiments presented herein relate to a method for reciprocity-based transmission in a radio communication network. The method is performed in a base station and may include obtaining a channel estimation of Rx quantities of a set of receive, Rx, and transmit, Tx, distribution networks, obtaining a channel estimation of Rx quantities of a set of Rx distribution networks, and performing reciprocity-based transmission with utilization of the obtained channel estimation of Rx quantities of both the set of Rx and Tx distribution network and the set of Rx distribution network, whereby channel estimation of Rx quantities of more Rx distribution networks than Tx distribution networks are utilized for the reciprocity-based transmission. A method, a base station, a wireless device, a computer programs and a computer program product for reciprocity-based beamforming in a radio communication network are also presented.
US11451274B2	Adaptive downlink multi user multiple input multiple output (MU-MIMO)precoding using uplink signal subspace tracking for active antenna systems AAS A method, base station and user equipment are disclosed. A base station configured to communicate with a plurality of user equipments is provided. The base station includes processing circuitry configured to: track a downlink signal subspace for each UE of the plurality of UEs, and determine a Multi-User Multiple-Input Multiple-Output, MU-MIMO, precoders based on the downlink signal subspace for each UE of the plurality of UEs. The MU-MIMO precoders are configured to at least in part suppress intra-cell MU-MIMO interference.
US11451270B2	Method and apparatus for end-to-end gigahertz beamforming system An end-to-end digital beamforming system includes a transmitter configured to transmit data and a receive configured to receive the data. Each of the transmitter and receiver includes a transceiver configured to communicate via a wired or wireless communication medium. Each of the transmitter and receiver also includes a processor and a base-tile antenna array comprising a plurality of antenna tiles. Each of the antenna tiles includes a radio frequency integrated circuit (RFIC) and an antenna-array-in-package comprising a plurality of antenna elements. The antenna tiles are disposed a different rotations such that a first antenna tile is disposed to transmit a first signal at a first polarization and a second antenna tile is disposed to transmit a second signal at a second polarization. Additionally, each of the antenna tiles transmits a part of a bandwidth.
US11451268B2	Device and method for training a model A device and a method for training a model are disclosed, wherein the method of training the model includes: first classifying a plurality of data packets using the model, wherein a first class is assigned to each data packet of a plurality of data packets, wherein the first class is associated with a receiver of a plurality of receivers; second classifying the plurality of data packets, wherein a second class is assigned to each data packet of the plurality of data packets, wherein the second class is associated with a receiver of the plurality of receivers; and training the model using the plurality of first classes and the plurality of second classes assigned to the plurality of data packets.
US11451266B2	Wireless power transmission systems and methods with selective signal damping at periodic active mode windows A method for operating a wireless power transmission system includes providing a driving signal for driving a transmission antenna of the wireless power transmission system, the driving signal based, at least, on an operating frequency for the wireless power transmission system. The method further includes inverting, by the at least one transistor, a direct current (DC) input power signal to generate an AC wireless signal at the operating frequency, based on provided driving signals. The method includes receiving, at a damping circuit, damping signals configured for switching the damping transistor to one of an active mode and an inactive mode to control signal damping, wherein the damping signals switch to the active mode periodically. The method further includes selectively damping, by the damping circuit, the AC wireless signals, during transmission of the wireless data signals if the damping signals set the damping circuit to the active mode.
US11451264B2	Wireless communications system A system for short-distance radio-frequency communications between a master module and a plurality of detachable slave modules, the communications system including a main electrical line connected to the master module and having a plurality of coupling points, wherein the communications system further includes a plurality of secondary electrical lines each having a first coupling area for a directional coupling between the secondary line and the main line at a coupling point, and a second coupling area for a directional coupling between the secondary line and a slave module, the second coupling area being distinct from the first coupling area.
US11451257B1	Active cover for electronic device Systems and methods of providing a mobile device cover are described. In some embodiments, the mobile device cover may include, for example, an acoustic sensor, a processor, and lighting devices. The processor can be operatively coupled to the acoustic sensor and the lighting devices. The acoustic sensor can be configured to receive sound generated by the mobile phone and to convert the sound into an acoustic signal. The processor can be configured to receive the acoustic signal and to determine whether the acoustic signal is similar to one of a plurality of acoustic signals previously stored on the mobile phone cover. Each of the previously stored acoustic signals can be indicative of, for example, a particular caller, a particular message sender, or a particular alert. Based on the acoustic signal determination, the processor is configured to cause lighting of the one or more lighting devices corresponding to the indicated caller, indicated message sender, or indicated alert.
US11451255B2	Modular communications systems with dynamically positionable antenna elements A modular communications system having dynamically positionable non-metallic antenna elements and communications devices is disclosed. The system includes an apparel item with a surface and a foam layer positioned therein. Landing pads are each uniquely positioned on the surface. The antenna elements are demountably, intermittingly, and conductively coupled to the landing pads; includes a non-metallic conductive composition; and a unique operational frequency. A hub is positioned on the surface and conductively coupled to each landing pad. Each communications device is demountably affixed to the surface; intermittingly, demountably, and conductively coupled to the hub; and includes a unique operational frequency. The hub intermittingly, demountably, and conductively couples each communications devices to a unique landing pad included in the plurality of landing pads. The foam layer is lined with a conductive material that reflects RF radiation that emanates from the plurality of non-metallic antenna elements.
US11451251B2	Radio frequency module and communication device A radio frequency module includes a mounting board, a low noise amplifier, a reception filter, and an input matching circuit. The low noise amplifier is mounted on the mounting board. The reception filter is connected to the low noise amplifier. The input matching circuit is provided on a signal path between the reception filter and the low noise amplifier. The input matching circuit includes at least one inductor. The reception filter is disposed on the low noise amplifier. The at least one inductor included in the input matching circuit is adjacent to the low noise amplifier such that no other circuit element is present between the low noise amplifier and the at least one inductor.
US11451249B2	Radio-frequency module and communication device A radio-frequency module includes a module substrate; a power amplifier; a first switch connected to an input terminal of the power amplifier; a second switch connected to an output terminal of the power amplifier; and a switch control circuit that controls the first switch and the second switch. The first switch, the second switch, and the switch control circuit are included in a semiconductor IC being integrated into a single chip. The power amplifier and the semiconductor IC are mounted on or above the module substrate. When the module substrate is viewed in a plan view, in the semiconductor IC, the switch control circuit is disposed between the first switch and the second switch.
US11451245B2	Efficient interleaver designs for polar codes Aspects of the disclosure relate to wireless communication devices configured to encode information blocks to produce code blocks and interleave the code blocks utilizing an interleaver including a plurality of rows and a plurality of columns. In some examples, the interleaver includes a right isosceles triangle-shaped matrix of rows and columns. In other examples, the interleaver includes a rectangle-shaped matrix of rows and columns.
US11451244B2	Device and method for encoding and decoding using polar code in wireless communication system The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4th generation (4G) communication system such as long term evolution (LTE). The present disclosure relates to encoding and decoding using a polar code in a wireless communication system. A method for operation of a first device in a wireless communication system may comprise the steps of: among sub-blocks including at least one node, identifying at least one inactive sub-block to deactivate the node operation in the sub-blocks; encoding data by using a construction matrix determined on the basis of the at least one inactive sub-block; and transmitting the encoded data to a second device.
US11451240B2	Double data rate (DDR) quad switched multibit digital to analog converter and continuous time sigma-delta modulator A quad signal generator circuit generates four 2N-1 bit control signals in response to a 2N-1 bit thermometer coded signal. A digital-to-analog converter (DAC) circuit has 2N-1 unit DAC elements, with each unit DAC element including four switching circuits controlled by corresponding bits of the four 2N-1 bit control signals. Outputs of the 2N-1 unit DAC elements are summed to generate an analog output signal. The quad signal generator circuit controls a time delay applied to clock signals relative to the 2N-1 bit thermometer coded signal and a time delay applied to the 2N-1 bit thermometer coded signal relative to the delayed clock signals in logically generating the four 2N-1 bit control signals. The analog output signal may be a feedback signal in a sigma-delta analog-to-digital converter (ADC) circuit that includes a multi-bit quantization circuit operating to quantize a filtered loop signal to generate the 2N-1 bit thermometer coded signal.
US11451239B2	Power reduction and performance enhancement techniques for delta sigma modulator Reference scaling, op amp balancing and chopper stabilization techniques for delta-sigma modulators of analog-to-digital converters are provided. For reference scaling, unit elements in a feedback digital-to-analog (DAC) converter are driven by a reference voltage or disconnected from active circuitry to realize three DAC levels. While disconnected, the unit elements deliver no charge to the device which results in power saving and a reduction in thermal noise. Op amp balancing involves down-sampling the quantizer output followed by up-sampling on the feedback path and filtering to hold a DAC value of the signal for a duration of a sampling period to generate the feedback signal. Chopper stabilization is performed by chopping an operational transconductance amplifier of the integrator at a chopping frequency equal to the sampling frequency.
US11451228B2	Operating device for a motor vehicle, method for operating a motor vehicle with the aid of the operating device, control unit, and motor vehicle An operating device for a motor vehicle, having a touch-sensitive operating element with a frame element and a central region. The touch-sensitive operating interface has a predetermined operating region at each of at least two predetermined touch positions for activating an operating function assigned to the respective operating region. The operating element is arranged to be displaceable at least partially along a translation axis that intersects the operating interface. The operating device has only one detection element, which is arranged facing an inner side of the touch-sensitive operating element that faces away from the touch-sensitive operating interface, and which is arranged to detect a displacement of each operating region along the translation axis.
US11451227B2	Control circuitry for power semiconductor switches using control signal feedback An apparatus includes a power semiconductor switch, a driver circuit configured to drive a control terminal of the power semiconductor switch, and a control circuit configured to apply a control signal to the driver circuit responsive to a comparison of a reference voltage to a voltage at the control terminal of the semiconductor switch. In some embodiments, the power semiconductor switch may include a field effect transistor (FET), such as a wide bandgap silicon carbide (SiC) MOSFET. The control terminal may include a gate terminal of the FET, and the voltage at the control terminal may include a gate voltage.
US11451225B2	Apparatus for driving a switching device and method of using the same This publication describes apparatuses and methods for driving a switching device and providing for the fast start-up of the switching device. In an aspect, the apparatus includes a driver circuit and a starter circuit. The driver circuit for applying control signals to a control terminal of the switching device when activated. The switching device is activatable to drive a load in an operating mode when a control signal above a threshold voltage is applied to the control terminal. The starter circuit is coupled to the control terminal and includes an energy store and a switch operable to discharge the energy store to deliver a start-up voltage above the threshold to the control terminal. As such, the switching device can be activated during a delay period before the driver circuit can generate a control signal above the threshold voltage after being activated.
US11451222B2	Reliability detection device and reliability detection method A reliability detection device includes a control circuit, oscillator circuits, and an output circuit. The control circuit is configured to generate enable signals according to a mode signal. The oscillator circuits output oscillating signals, in which each of the oscillator circuits is configured to generate a corresponding oscillating signal in the oscillating signals according to a switching signal when the mode signal has a first logic value, and generate the corresponding oscillating signal according to a corresponding enable signal in the enable signals when the mode signal has a second logic value, and the switching signal is associated with a functional circuit. The output circuit is configured to output a detection signal according to the oscillating signals when the mode signal has the second logic value, in which the detection signal is to indicate a reliability of the functional circuit.
US11451217B2	Match-slave latch with skewed clock Circuits, systems, and methods are described herein for generating master clock signals and slave clock signals for controlling a flip-flop having a master latch and a slave latch. A circuit includes a master latch configured to latch an input data signal and to output a data latch signal based on a master clock signal. The circuit also includes a slave latch coupled to the master latch and configured to generate an output data signal based on a slave latch clock signal and the data latch signal. Additionally, the circuit includes a skewed clock circuit coupled to the master latch and the slave latch. The skewed clock circuit is configured to receive a clock signal and generate the master clock signal and the slave clock signal based on the clock signal. The master clock signal and the slave clock signal are independent clock signals whose timing is skewed relative to one another by the skewed clock circuit.
US11451214B2	Control device and active filter apparatus A control device for an active filter connected in parallel with a load at an installation point with respect to an AC power supply provided in a power system includes a harmonic voltage detector to detect an m-order harmonic voltage (m is an integer not less than two) included in a voltage of the installation point, a phase corrector to correct a phase of the detected m-order harmonic voltage in accordance with whether an m-order harmonic impedance when an AC power supply side is seen from the installation point is capacitive or inductive, a command value generator to generate a first compensation command value for compensating for the m-order harmonic voltage included in the voltage of the installation point based on the m-order harmonic voltage after the correction, and an output controller to control an output of the active filter based on a first compensation command value.
US11451213B2	5G n79 Wi-Fi acoustic triplexer circuit An RF triplexer circuit device using modified lattice, lattice, and ladder circuit topologies. The devices can include four resonator devices and four shunt resonator devices. In the ladder topology, the resonator devices are connected in series from an input port to an output port while shunt resonator devices are coupled to the nodes between the resonator devices. In the lattice topology, a top and a bottom serial configurations each includes a pair of resonator devices that are coupled to differential input and output ports. A pair of shunt resonators is cross-coupled between each pair of a top serial configuration resonator and a bottom serial configuration resonator. The modified lattice topology adds baluns or inductor devices between top and bottom nodes of the top and bottom serial configurations of the lattice configuration. These topologies may be applied using single crystal or polycrystalline bulk acoustic wave (BAW) resonators.
US11451207B1	Common mode filter A common mode filter is disposed on a circuit board. A signal layer of the circuit board has a differential signal wire pair. The common mode filter has a slot structure and a filtering frequency adjusting device. The slot structure is formed on a reference voltage layer of the circuit board, wherein the slot structure surrounds the differential signal wire pair. The filtering frequency adjusting device is disposed on a corner part of the slot structure, wherein the filtering frequency adjusting device includes at least one of at least one capacitor and at least one inductor, and is disposed on the circuit board across the differential signal wire pair.
US11451205B2	Power amplifier self-heating compensation circuit Temperature compensation circuits and methods for adjusting one or more circuit parameters of a power amplifier (PA) to maintain approximately constant Gain versus time during pulsed operation sufficient to substantially offset self-heating of the PA. Some embodiments compensate for PA Gain “droop” due to self-heating using a Sample and Hold (S&H) circuit. The S&H circuit samples and holds an initial temperature of the PA at commencement of a pulse. Thereafter, the S&H circuit generates a continuous measurement that corresponds to the temperature of the PA during the remainder of the pulse. A Gain Control signal is generated that is a function of the difference between the initial temperature and the operating temperature of the PA as the PA self-heats for the duration of the pulse. The Gain Control signal is applied to one or more adjustable or tunable circuits within a PA to offset the Gain droop of the PA.
US11451204B2	Josephson parametric amplifier based on superconducting-normal-superconducting junction An amplifier. In some embodiments, the amplifier includes a resonant circuit having a resonant frequency, a pump input, a signal input, and a signal output. The resonant circuit may include a Josephson junction connected to the pump input, the Josephson junction being a superconducting-normal-superconducting junction having two superconducting terminals and being configured to adjust the resonant frequency of the resonant circuit based on a signal received at the pump input.
US11451201B1	Differential diode-based variable impedance modules The present invention is directed to electrical circuits. More specifically, an embodiment of the present invention provides a variable impedance module with a first capacitor coupled to a first input terminal and the second capacitor coupled to a second input terminal. A diode bridge is connected between the input capacitors. The anodes of the top diodes are connected to a supply through a resistor, and the cathodes of the lower diodes are connected to a high-impedance current source. A third capacitor is connected between these two nodes.
US11451198B2	Multi-band power amplifier module A multi-band power amplifier module includes at least one transmission input terminal, at least one power amplifier circuit that receives a first transmission signal and a second transmission signal through the at least one transmission input terminal, a first filter circuit that allows the first transmission signal to pass therethrough, a second filter circuit that allows the second transmission signal to pass therethrough, at least one transmission output terminal through which the first and second transmission signals output from the first and second filter circuits are output, a transmission output switch that outputs each of the first and second transmission signals output from the at least one power amplifier circuit to the first filter circuit or the second filter circuit, and a first tuning circuit that adjusts impedance matching between the at least one power amplifier circuit and the at least one transmission output terminal.
US11451194B2	Automatic frequency shift compensation (AFSC) in resonant tank circuits over the process variation A low noise amplifier that may include a first input port, a second input port, a first capacitor, a second capacitor, a first variable capacitor, a second variable capacitor, an inductor, a bias circuit, a tuning circuit, a first output circuit having a first output, a second output circuit having a second output; wherein the first input port is electrically coupled to a first end of the second variable capacitor, to a first end of the first capacitor, to an input of the first output circuit, and to a first port of the inductor; wherein the second input port is electrically coupled to a second end of the first variable capacitor, to a second end of the second capacitor, to an input of the second output circuit, and to a second port of the inductor; wherein a first port of the first varactor is electrically coupled to a second end of the first capacitor; wherein a second port of the second varactor is electrically coupled to a first end of the second capacitor; wherein the bias circuit is configured to supply a bias voltage to a third port of the inductor; and wherein the tuning circuit is configured to control a capacitance of the first varactor and a capacitance of the variable capacitor.
US11451193B2	Oscillator and imaging device An oscillator is comprising a plurality of resonators and a voltage bias circuit that applies voltages to the plurality of resonators. Each of the plurality of resonators has a negative resistance element. In the oscillator, the plurality of resonators are connected in parallel to the voltage bias circuit respectively via separate inductors.
US11451189B1	Method for improving mechanical integrity of crystalline silicon solar cells The method of the present invention improves mechanical integrity of a crystalline silicon solar cell having an exposed layer of n-type silicon. A solution of electrically-conductive nanowires in an inert liquid is sprayed onto the exposed layer in order to form a grid pattern of the nanowires on the exposed layer after the inert liquid dries or evaporates.
US11451184B2	System for controlling a switch, switching arm and electrical installation A control system has a microcontroller (242) that receives a mode request (MR), a command-generating device (244) to supply commands and to transfer the mode request (MS) to an output pin of the microcontroller (242), and a device for detecting accidental starting (258), as well as a pilot (260) that supplies an output command signal to the switch (222; 224). The pilot (260) is connected to the output pin to receive the transmitted mode request (MS). The output pin is connected to an input pin of the microcontroller (242) to receive the transmitted mode request (MS), and the accidental starting detection device (258) detects when the transmitted mode request (MS) received on the input pin indicates a motor mode even though the mode request (MR) received by the microcontroller (242) indicates an alternator mode and, when this is the case, sends an inhibition command (INHIB_P; INHIB_T) to the pilot (260).
US11451182B2	Power conversion device, motor control system, and parameter setting method therefor A power conversion device includes an AC conversion unit; a detector that detects an output current, a DC voltage, and a temperature; an I/O unit; and a control unit. The control unit includes a motor control unit that controls the AC conversion unit; an operation instruction/parameter setting unit that converts an operation instruction and a parameter; an information management unit; an I/O control unit; and a detection unit that acquires data of the detector. The operation instruction/parameter setting unit outputs the set parameter and characteristic data to the information management unit, which acquires parameter information associated with the operation instruction and parameter information for an operation instruction change quantity required for adjustment from an information server. The operation instruction/parameter setting unit converts the operation instruction into a parameter using the data acquired by the detection unit and the parameter information and sets the parameter in the motor control unit.
US11451178B2	Motor drive operation at light load conditions A system includes a motor-driven component, a motor configured to operate the motor-driven component, and a motor drive circuit configured to power the motor. The motor drive circuit includes at least one complementary stage, where each stage includes a first transistor and a second transistor. During operation of the motor drive circuit, the first transistor is switched on when the second transistor is switched off. The system includes a controller communicatively coupled to the motor drive circuit. A load condition associated with the component is monitored. Based on the load condition, the controller determines whether the component is operating at a light load condition. If the component is operating at the light load condition, a switching frequency of each of stages is changed from a first switching frequency to a second switching frequency, which is less than the first switching frequency.
US11451174B2	Method of reducing estimation vectors in a model predictive control of alternating current motors A method for reducing a total operational load of a method of a model predictive control-by conducting simplifications based on specific observations, in order to drive alternating current motors by using the method of the MPC with a two-level voltage source inverter. The method includes the steps of determining at which one of the predefined sectors a resultant of stator currents is present, determining a motor mode, reducing seven estimation vectors to four estimation vectors and calculating a cost function or reducing seven estimation vectors to five estimation vectors and calculating the cost function.
US11451173B2	Board and electronic device including board A board a motor driver control circuit, a first connector, a first wire, a second wire, a third wire, a fourth wire, a fifth wire, and a sixth wire. The motor driver control circuit includes a first H-bridge and a second H-bridge. The first connector is a connector to which an output from the first H-bridge and an output from the second H-bridge are input. The first wire and the second wire input the output from the first H-bridge to the first connector. The third wire and the fourth wire input the output from the second H-bridge to the first connector. The fifth wire is connected to the first wire and outputs the first H-bridge output to another connector. The sixth wire is connected to the second wire and outputs the first H-bridge output to the other connector.
US11451165B2	Control processing method for inverter device having H5 topological structure The present disclosure discloses a control processing method for an inverter device having an H5 topological structure. The control processing method includes: when a power grid supplies power normally, using a unipolar H5 PWM modulation mode to enable the inverter device to work in a grid-connected power generation mode; when the power grid supplies power abnormally or the power grid is in outage for a short time, using a unipolar H5 PWM constant-voltage modulation mode to enable the inverter device to work in an off-grid power generation mode; and when the power grid is in outage for a long time, using an H5-1 PWM constant-voltage modulation mode to enable the inverter device to work in an emergency SPS power generation mode.
US11451161B2	Power switcher, power rectifier, and power converter including cascode-connected transistors A power switcher includes a first normally-off transistor that switches between interrupting and not interrupting a current path between first and second electrodes according to a drive voltage input to a first control electrode, a second normally-on transistor cascode-connected to the first transistor and including a second control electrode to which the second electrode of the first transistor is connected, a control voltage generator that generates a control voltage in accordance with a voltage between the first and second electrodes of the first transistor, and a drive voltage generator that generates a drive voltage equal to or lower than a withstand voltage of the first transistor in accordance with the control voltage.
US11451159B2	Three-phase system and distributed control method thereof Disclosed are three-phase system and distributed control method. The three-phase system comprises three-phase circuits, of which each phase circuit including at least one power conversion cell; and at least three phase controllers for controlling each phase circuit, respectively, each phase controller including a communication interface through which the at least three phase controllers are in communications connection with each other; wherein the phase controllers of each phase circuit is configured for regulating bridge arm voltages of the at least one power conversion cell in the phase circuit by receiving signals sent from the phase controllers of other two phase circuits through the communication interface. The three-phase system and the distributed control method of the invention solve problems of balance of three-phase current and stabilization of three-phase DC voltages by coordination among the three phases. Thanks to the invention, the three phases can be independently controlled to improve control flexibility.
US11451158B2	Electronic interface for electromagnetic energy recuperation An electronic interface device between an electromagnetic energy harvesting stage provided with an inductance and a load stage, the electronic interface device being provided to allow tending the charge seen by the harvesting stage towards an optimal charge and thus being able to extract a maximum of energy from this energy harvesting stage.
US11451156B2	Overvoltage clamp for a matrix converter Apparatus and methods for supplying DC power to control circuitry of a matrix converter is provided. In certain embodiments, a matrix converter includes an array of switches having AC inputs for receiving a multi-phase AC input voltage and AC outputs for providing a multi-phase AC output voltage to a load, such as an electric motor. The matrix converter further includes control circuitry for opening or closing individual switches of the array, and a clamp circuit connected between the AC inputs and AC outputs of the array and operable to dissipate energy of the load in response to an overvoltage condition, such as an overvoltage condition arising during shutdown. The clamp circuit includes a switched mode power supply operable to generate a DC supply voltage for the control circuitry.
US11451155B2	Power generation and ZVS control in a power supply An apparatus comprises a controller operative to: i) monitor a resonant voltage associated with a primary winding magnetically coupled to a secondary winding; ii) control a flow of current through the primary winding to produce an output voltage at the secondary winding; and iii) control magnetization of the primary winding with respect to a detected a zero crossing event associated with the monitored resonant voltage. The controller further controls a duration of activating a switch coupled to an auxiliary winding (which is magnetically coupled to the primary winding) based on a magnitude of the monitored resonant voltage and/or a magnitude of an input voltage supplied to the primary winding. The controller operates in different modes of magnetizing the primary winding such as at peaks or valleys of the monitored resonant voltage depending on a magnitude of the input voltage.
US11451153B2	Power conversion device The power converter A1 includes a semiconductor device B1, and a substrate H on which the semiconductor device B1 is mounted, where the semiconductor device B1 includes a control chip constituting a primary control circuit, a semiconductor chip constituting a secondary power circuit, and a transmission circuit for electrically insulating the primary control circuit and the secondary power circuit and for signal transmission between the primary control circuit and the secondary power circuit. The substrate H has a conductive portion K. The power converter A1 includes a connecting terminal T1 disposed on the substrate H and electrically connected to the conductive portion K. The power converter A1 includes a conductive path D1 that is at least partially formed by the conductive portion K of the substrate H, and that electrically connects the primary control circuit and the connecting terminal T1. Such a configuration contributes to downsizing the power converter A1.
US11451152B2	Active clamp circuit with steering network A power converter, comprising an energy transfer element, an output of the power converter, a power switch, an active clamp circuit, and a first controller. The active clamp circuit comprising a capacitance, a steering diode network coupled to the capacitance and configured to transfer a charge to the capacitance, a clamp switch coupled to the capacitance and configured to transfer the charge stored in the capacitance to the energy transfer element, and an offset element coupled to the clamp switch and configured to provide a path to discharge a capacitance associated with the clamp switch. The first controller configured to output a clamp drive signal to control the turn on and turn off of the clamp switch and a primary drive signal to control the turn on and turn off of the power switch.
US11451148B2	Voltage-regulating circuit and regulated power-supply module A voltage-regulating circuit comprising: a voltage regulator, a switch, a first comparing circuit for comparing the amplitude deviation between the input voltage and the output voltage to a first threshold, a second comparing circuit for comparing the amplitude of the output voltage to a second threshold, and a control circuit for commanding the switch to open or close depending on the comparisons made by the first comparing circuit and by the second comparing circuit. Also disclosed is a regulated power-supply module comprising such a voltage-regulating circuit.
US11451147B2	Transmission circuit for transmitting signals A transmission circuit includes: a resistor with one end connected to a first power supply; an output terminal connected to the other end of the resistor; an inductor with one end connected to the output terminal; a switch with one end connected to the other end of the inductor and the other end connected to a second power supply; a diode in which an anode is connected to the other end of the inductor and one end of the switch and which is conductive when the switch is off and non-conductive when the switch is on; and a load with one end connected to a cathode of the diode and the other end connected to the second power supply.
US11451146B2	DC-DC converter A DC-DC converter according to an embodiment is a DC-DC converter for generating an output voltage VOUT according to a reference voltage VREF, and includes a fully differential amplifier that outputs a first differential output signal and a second differential output signal according to a differential input using the reference voltage VREF and the output voltage VOUT, a pulse width modulation signal generation circuit that generates a pulse width modulation signal based on the first differential output signal Vout1 and the second differential output signal Vout2, and a driver that outputs a driving signal obtained by waveform-shaping the pulse width modulation signal.
US11451144B2	Power supply unit for aerosol inhaler A power supply unit for an aerosol inhaler includes: a power supply; a first DC/DC converter; a second DC/DC converter; and a circuit board. As viewed from a first direction perpendicular to a surface of the circuit board on which the first DC/DC converter and the second DC/DC converter are mounted, at least a portion of the circuit board includes: a connection portion; a first portion extending from the connection portion in a second direction perpendicular to the first direction; and a second portion extending from the connection portion in a third direction perpendicular to the first direction and the second direction. The first DC/DC converter is mounted on the first portion, and the second DC/DC converter is mounted on the second portion.
US11451143B2	Boost converter for improving output stability A boost converter for improving output stability includes a transformer, a detection circuit, a first resistor, a power switch element, an output stage circuit, a feedback compensation circuit, a controller, an inverter, and a multiplier. The transformer includes a main coil and a secondary coil. The main coil receives an input voltage. The detection circuit is coupled to the secondary coil. The detection circuit generates a detection voltage. The first resistor is coupled to the main coil. The output stage circuit generates an output voltage. The feedback compensation circuit generates a feedback voltage according to the output voltage. The inverter generates an inverted oscillation voltage. The multiplier generates a compensation voltage difference according to the detection voltage, the inverted oscillation voltage, and the feedback voltage. The compensation voltage difference is applied to the first resistor.
US11451142B2	Voltage conversion device An object is to reduce the time it takes to switch PWM signals used to perform drive control of a voltage converter. An inverted PWM signal used to perform drive control of a voltage conversion unit (20) is generated based on a result of comparison between a first voltage value and a first target value, and a second PWM signal used to perform drive control of the voltage conversion unit (20) is generated based on a result of comparison between a second voltage value and a second target value. Then, an AND signal or an OR signal is generated, the AND signal being in an ON state when both of the inverted PWM signal and the second PWM signal are in an ON state, the OR signal being in an ON state when at least one of the inverted PWM signal and the second PWM is in an ON state.
US11451128B2	Floating-ground isolated power supply for an electronic converter The invention is an electronic power system (1) for energy conversion, comprising at least one electronic amplifier driver circuit (10), at least one floating-ground isolated power supply (11) and at least one digital computation unit (2) for generating control signals (12). The invention more specifically relates to a floating-ground isolated power supply (11) from control signals (12).
US11451126B2	Flying capacitor multilevel converters for anode supplies in hall effect thrusters A flying capacitor multilevel (FCML) converter including a gate driver circuit comprising a DC-DC flyback converter having a plurality of isolated outputs. In various examples, the FCML circuit further includes a first control circuit connected to the FCML circuit determining the load current associated with a desired power output from the load; and determining a desired output voltage associated with the load current; a second control circuit that drives an inductor current (IL) through the inductor so that the output applies an output voltage comprising the desired output voltage; and a third control circuit obtaining a comparison of an average of the inductor current (IL) through the inductor with a predetermined reference current (ILREF) and setting the duty cycle so that the average does not exceed the predetermined reference current. Also described is the converter driving a load comprising a plasma and a propulsion system comprising the converter.
US11451123B2	Expandable rotor An electric machine includes a stator and a rotor positioned in operational engagement with one another and defining a radial gap extending circumferentially between the stator and the rotor, the rotor including a plurality of rotor segments defining a plurality of segment gaps between adjacent pairs of the plurality of rotor segments, the rotor segments radially moveable relative to the stator, wherein movement of the plurality of rotor segments radially outward increases the radial gap between the stator and the rotor and the segment gaps between adjacent pairs of the plurality of rotor segments.
US11451116B2	Motor An embodiment relates to a motor including a shaft, a rotor coupled to the shaft, a stator disposed outside the rotor, a sensing magnet disposed on the shaft, and a coupling member disposed to cover the sensing magnet, wherein the coupling member is inserted into a first groove concavely formed in an end portion of the shaft. Accordingly, combinability and assemblability of the sensing magnet and the shaft can be secured using the coupling member formed to have an elastic structure in the motor.
US11451115B2	Electric motor with a heat transfer component, circuit board and a ventilation fan An electric motor includes: a stator having a sleeve shape; a rotor inside the stator; a shaft coupled to the rotor and stretching along a central axis of the stator; a board case on one end side of the stator in a direction along the central axis; a circuit board on an opposite side of the stator with the board case interposed; a heat generating component on a mounting surface, which is opposite to a surface of the circuit board oriented to a side of the stator; a casing that covers a side of the mounting surface; and a heat transfer component between a surface of the casing that faces the circuit board and the heat generating component. The board case is provided with an extension portion that extends toward the circuit board. The heat transfer component is formed with a first engagement portion with which the extension portion engages.
US11451113B2	Electrical power generating apparatus An electrical power generating apparatus with one or more platforms, securely positioned on a surface, for example, highways are disclosed. The platform is comprised of one or more cavities, configured to receive push force to rotating force conversion systems and one or more generators. The platform further comprises a plurality of protrusions, configured to move upward and downward via a reset member via a plurality of apertures on a top portion of the platform. At least one protrusion is connected to the push force to rotating force conversion system. The generators are coupled to a shaft that is rotated by the push force to rotation force conversion system and configured to generate electrical power when an external force is applied on at least any one of a protrusion by a moving object. The generated electric power is transferred to an electric power grid and electric storage devices using conductors.
US11451110B2	Compressor having a terminal guard provided outside a casing to surround a terminal A compressor includes a casing, a terminal provided to the casing, a terminal guard and an insulating member. The terminal includes a body section and a terminal rod inserted through the body section. The terminal guard is provided outside the casing to surround the terminal. The terminal guard includes a side wall facing the terminal rod in a radial direction. The insulating member is disposed inside the terminal guard. The insulating member includes a bottom section covering an area around the body section, and a side section integrally provided in an erected manner on a peripheral edge portion of the bottom section. The side section covers an inner surface of the side wall of the terminal guard.
US11451109B2	Vehicle A vehicle includes a driving device unit, a frame member supporting the driving device unit, a pair of first mounting portions provided on the frame member and positioned on one side of the driving device unit, and a second mounting portion provided on the frame member and positioned on the other side of the driving device unit. The driving device unit includes a drive device accommodating therein an electric motor, and an electric motor control device which controls the electric motor. The drive device and the electric motor control device are arranged in a horizontal direction. An electrical connection portion electrically connecting the drive device and the electric motor control device is disposed at a joining portion between the drive device and electric motor control device and inside a virtual polygon connecting the at least one pair of first mounting portions and the at least one second mounting portion.
US11451108B2	Systems and methods for axial impact resistance in electric motors A system for providing torque includes a stator, a rotor, an axle, an endcap, an endbell, and a compliant member. The stator has a first end and a second end opposite the first end with a chamber therein. The rotor is at least partially positioned in the chamber and rotatable relative to the stator about a longitudinal axis. The axle has a first end, a second end opposite the first end, and supports the rotor. The endcap is located at a first end of the stator and adjacent to the first end of the axle, and the endbell is located at the second end of the stator and adjacent to the second end of the axle. The compliant member is positioned relative to the axle between a portion of the rotor and one of the endbell and the endcap.
US11451099B2	Method of inserting multi-part tooth of an electric machine into a coil A method of assembling a coil on an irregular-shaped multi-part tooth of an electric machine may include inserting at least one wedge-portion of the multi-part tooth into an opening of the coil such that a broader end of the at least one wedge-portion extends out of the opening in the coil. The method may also include mounting the coil with the inserted at least one wedge-portion on a core tooth-portion of the multi-part tooth such that the broader end of the at least one wedge-portion remains extended out of the opening in the coil, exerting a force on the broader end of the at least one wedge-portion to tighten the coil on the multi-part tooth.
US11451094B2	Wireless inductive power transfer A wireless power transfer system includes a power transmitter (201) arranged to provide a power transfer to a power receiver (205) via a power transfer signal. The power receiver (205) comprises a first mode controller (709) for transmitting a standby mode exit request to the power transmitter (201) by changing a loading of a communication inductor (209) of the power transmitter (201). The power transmitter (201) comprises a mode controller (405) which controls the power transmitter (201) to operate in a standby mode wherein a presence of the power receiver (205) is detected but no power transfer signal is generated. It furthermore comprises a detector (403) for detecting an impedance change of the communication inductor (209). The mode controller (405) is arranged to initiate a transition from the standby mode to a power transfer mode in response to the detector (403) detecting the impedance change.
US11451088B2	Automatic detection of distributed energy resources system parameters A method determines the topology of a DERs system having a plurality of assets, where at least one of the assets is a controllable asset. The method injects a power signal at a given frequency from a controllable asset into the DERs system. The voltage at each of the plurality of assets is measured, and the magnitude of perturbation of the voltage at the given frequency is determined for each of the plurality of assets. The method then constructs the topology of the DERs system as a function of the differences of the magnitude of perturbations of each of the plurality of assets.
US11451087B2	UPS maintenance bypass systems using mode signaling A maintenance bypass (MBP) system for an uninterruptible power supply (UPS) includes a first switch having at least three positions that provide different couplings of a power source, a load, a power input of a UPS and a power output of a UPS and including a first contact set configured to indicate at least one transition between positions of the at least three positions. The system further includes a second switch configured to enable transition of the first switch between at least two of the positions and including a second contact set configured to indicate actuation of the second switch. The first switch may include a rotary switch and the second switch may include a pushbutton switch.
US11451086B2	Auxiliary power supply device and industrial machine An auxiliary power supply device supplies electric power to an encoder when supply of electric power of a control device is cut off, and includes: a backup power source for supplying backup electric power to the encoder when supply of electric power of the control device is cut off; an auxiliary power source for supplying electric power to the encoder when the backup power source is removed; a remaining capacity determination unit for determining the remaining capacity of the auxiliary power source; a display unit for displaying an indication that the remaining capacity is insufficient when the remaining capacity determined by the remaining capacity determination unit is lower than a threshold; and a switch for actuating the display unit.
US11451085B2	Fuel cell and battery backup power sources within power systems An uninterruptible power supply (UPS) system or other power system includes a primary power source and a fuel cell and battery system as a backup power source. The fuel cell and battery backup system(s) are integrated into the primary power source to reduce the required power components and to provide high-quality power conditioning for the UPS system. A control system receives and analyzes data from the primary power source, as well as from the fuel cell and battery backup systems, to perform advanced power management and sharing, manage transitions, export power to the grid, and manage boil-off losses at the fuel cell.
US11451084B2	Electronic device for harvesting power from at least one power source and method for operating the same Disclosed are electronic devices including a polymer including a ferroelectric and quantum dots disposed in the ferroelectric, at least one solar cell configured to receive light through the polymer and to convert the light into electrical energy, and a battery configured to be charged with the electrical energy from the at least one solar cell.
US11451082B2	Charge coil unit, power unit, and work machine A present invention is a charge coil unit, comprising an inductor that generates an induced current based on power of a source of power, a capacitor connected in series to the inductor, and a circuit unit provided to be able to charge the capacitor by the induced current generated in the inductor, thereby, the output voltage of the charge coil unit can be stabilized.
US11451076B2	Earpiece charging case detection A system with an earpiece that comprises a rechargeable earpiece power source and a case that is configured to interface with the earpiece in an earpiece power source charging configuration and comprises a case power source that is configured to recharge the earpiece power source. A detection circuit, located in part in the earpiece and in part in the case, includes at least one earpiece electrical contact that is configured to electrically couple to at least one case electrical contact when the earpiece is interfaced with the case in the earpiece power source charging configuration. The detection circuit is configured to detect, using the earpiece and case electrical contacts, whether the earpiece is interfaced with the case in the earpiece power source charging configuration, even if one of the earpiece power source and the case power source does not have power.
US11451074B2	Wireless charging method and apparatus thereof An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
US11451070B2	Charging circuit, electronic device, charging method and charging device A charging circuit includes: an interface, a plurality of batteries connected in series, a first charging portion which is connected to the interface and is connected in series with the plurality of batteries, a second charging portion which is connected to the interface and is connected in series with at least one battery, and a first switching circuit which is connected with the second charging portion and is configured to switch a conducting state between the second charging portion and the at least one battery connected in series with the second charging portion, wherein when the first charging portion is in a charging state and the second charging portion is connected with the at least one battery, the charging circuit is switched to an asynchronous charging mode.
US11451067B2	Method, apparatus and system to enhance a device policy manager to manage devices based on battery condition A method and device that implements communication over an interconnect to support improved power distribution over the interconnect. The device includes a controller to implement a device policy manager (DPM) to manage power allotment over the interconnect, and a battery feedback mechanism coupled to the controller, the battery feedback mechanism to detect a low or dead battery condition of a connected device over the interconnect and to indicate to the DPM to advertise a higher power charging level to the connected device.
US11451062B2	Method and system for controlling a renewable energy plant A method for controlling power flow between a renewable energy plant and an electric power grid, the plant having an intermittent energy source, the method comprising: using a control system, measuring power output from the plant and determining a first difference between the measured power output from the plant and a power reference; measuring frequency deviation of the power output from the plant and determining a second difference between the measured frequency deviation and a frequency deviation reference; generating a first error by limiting a sum of the first and second differences between predetermined minimum and maximum power error limits; modelling power output from the source and determining a second error between the modelled power output from the source and a control signal applied to the source to control the power output therefrom; and, generating the control signal by applying the first and second errors to a PI loop.
US11451060B1	Consistent power delivery via power delivery limits A method for delivering power to a grid. The method may include receiving a prediction of power generation for a renewable energy source (RES), receiving power level requirements of the grid, and receiving length of power delivery requirements of the grid. The method may further include determining a power delivery limit based on the prediction of power generation, the power level requirements, and the length of power delivery requirements. The method may further include delivering power to the grid according to the power delivery limit from the RES and an energy storage system (ESS) electrically coupled to the RES.
US11451059B2	Systems and methods for generating and consuming power from natural gas Systems and methods are provided to mitigate flaring of natural gas. A natural gas processing system may process raw natural gas into a fuel gas stream that may be used to power any number of on-site power generation modules. In turn, the power generation modules may convert the fuel gas stream into an electrical output, which may be employed to power any number of distributed computing units housed within one or more mobile data centers. In certain embodiments, the distributed computing units may be adapted to mine cryptocurrency or perform other distributed computing tasks to generate revenue.
US11451058B2	Generator system for multiple high voltage direct current applications Techniques for achieving a variety of selected direct current (DC) voltage outputs are disclosed. In one embodiment, a power generation system includes at least one multi-phase generator configured to generate an alternating current (AC) voltage. A plurality of diode rectifier circuits is coupled to the at least one multi-phase generator, which are configured to receive the AC voltage and convert the AC voltage to a DC voltage output. The power generation system includes configuration circuitry coupled to the plurality of diode rectifier circuits configured to configure the diode rectifier circuits in multiple configurations. For example, the configuration circuitry can configure the diode rectifier circuits in a series configuration to achieve a first DC voltage level, a parallel configuration to achieve a second DC voltage level, or a mixed series-parallel configuration to achieve a third DC voltage level.
US11451054B2	Systems and methods for shunt power factor correction Systems and methods are disclosed that operate to correct the electrical characteristics of an electric distribution system based on analysis at a particular point in the system, for example, at a customer's meter. To do so, the subject characteristic may be measured at the meter. The subject characteristic may be provided to a power inverter controller, which responds by modifying the characteristic of the inverter output to achieve the desired measurement at the meter.
US11451053B2	Method and arrangement for estimating a grid state of a power distribution grid A method estimates a grid state of an electrical power distribution grid having a multiplicity of network sections, in which a central computer arrangement is used to receive measured values from measuring devices. A state estimation device is used to make a prediction of a future grid state, wherein a voltage and a phase angle are respectively ascertained for each network section, and in that a naive Bayes method is used for the prediction.
US11451052B2	Systems and methods of DC power conversion and transmission for solar fields Systems and methods integrate advanced solar tracker, battery, inverter, and software technologies to improve performance, plant output, and costs. The systems may incorporate an advanced vanadium flow battery (VFB) that is DC-voltage (DV)-coupled to photovoltaic (PV) arrays for high, round-trip efficiency. The systems incorporate a DC architecture that optimizes performance for commercial, industrial, agricultural, and utility applications. A distributed direct current (DC) power system includes a centralized, single-stage inverter; PV arrays; maximum power point tracking (MPPT) converters coupled between the PV arrays and the centralized, single-stage inverter; batteries; and DC-DC battery converters (DCBCs) coupled to the batteries. The MPPT converters maximize solar power production by the PV arrays and minimize mismatch between the PV arrays. The DCBCs manage charge and discharge of the batteries, enable the interconnection of the PV arrays and the batteries, and supply a constant medium voltage to the central inverter.
US11451051B2	Method and systems for suppressing electromagnetic pulse induced surges using combined multiport protection with impedance matching and low insertion loss A system and method for suppressing EMP-induced voltage surges due to detonation of a nuclear weapon at high altitude generating an EMP (HEMP) comprising E1, E2, and E3 component pulses. A plurality of shunting assemblies, each including transient voltage suppressors (TVSs), metal oxide varistors (MOVs), gas discharge tubes (GDTs), other mechanical, electrical and ionization discharge devices (IDDs) and combinations thereof of surge limiting technologies, are positioned intermediate a signal stream and a plurality of electronic device ports associated with a plurality of communication channels for sensing upstream of the communication channels an overvoltage associated with each of the E1, E2, and E3 components of the EMP and shunting the over-voltages to predetermined allowable levels within the predetermined time.
US11451050B2	Chromatograph apparatus and load switch circuit A load switch circuit for turning on and off supply of DC power to a load circuit of a chromatograph apparatus, the load switch circuit comprising: a first switching element connected to between a first node that receives DC voltage and the load circuit, the first switching element including a control terminal that receives a potential of a second node; a capacitive element connected to between the first and second nodes; a first resistive element connected to between the first and second nodes; and a bypass circuit configured to pass current between the first and second nodes upon turn-off of the first switching element.
US11451048B2	Rapid shutdown device and photovoltaic system A rapid shutdown device and a photovoltaic system are provided. The photovoltaic system includes an inverter and multiple serially-connected photovoltaic elements. The rapid shutdown device includes a switching circuit, a control circuit, a communication circuit and an auxiliary power circuit. The switching circuit includes a first switch and a second switch. A first terminal of the first switch is electrically connected with the positive terminal of a first photovoltaic element. A second terminal of the first switch is electrically connected with the negative terminal of a second photovoltaic element. A first terminal of the second switch is electrically connected with the negative terminal of the first photovoltaic element. The communication circuit receives a command signal from the inverter and transmits it to the control circuit. The control circuit controls the first switch and the second switch to turn on or turn off according to the command signal.
US11451046B2	Single switch electronic fuses with multiple power outputs In example implementations, an apparatus is provided. The apparatus includes a plurality of power outputs, a logic controller and a single switch. Each one of the plurality of power outputs is communicatively coupled to a respective current/power sensor. The logic controller is communicatively coupled to the respective current/power sensor of each one of the plurality of power outputs. The single switch is communicatively coupled to the logic controller and the respective current/power sensor of each one of the plurality of power outputs. Power to each one of the plurality of power outputs is controlled by the logic controller via the single switch.
US11451036B2	Fixing structure of wiring member A fixing structure of the wiring member fixes the wiring member to the silencer disposed in a vehicle. The silencer includes an inserted part with one surface as an insertion surface crossing a main surface. The wiring member is disposed along the main surface of the silencer. The wiring member is fixed to the silencer by a fixing member. The fixing member includes an insertion part inserted into the inserted part from the insertion surface and an insertion state maintaining part maintaining a state where the insertion part is inserted into the inserted part.
US11451034B2	Raceway systems and methods for routing transferring components within an interior cabin of an aircraft A raceway system and method within an internal cabin of an aircraft include a plurality of routing modules that are coupled together. Each of the plurality of routing modules includes a main housing that routes one or more transferring components to one or more monuments within the internal cabin. A raceway system and method for an aircraft includes a transferring component attachment system that includes a plurality of transferring component support struts, and one or more transferring components coupled to the plurality of transferring component support struts.
US11451033B2	Modular wall-mounted electrical circuit device system A modular wall-mounted electrical circuit device assembly includes an electrical junction box, a modular circuit device, and a cover plate. The junction box has an open front, and is wall-mounted with exposed ends of building wiring disposed therein. The modular circuit device includes a base unit and an interchangeable device module and is installed in the junction box via the open front. The base unit has a junction box liner defining a main cavity having an open front and a closed rear, exterior electrical connection points connected to the building wiring, electrical contacts disposed in the rear, and a first electrical interconnect assembly connecting the electrical contacts to the connection points. The interchangeable device module has a forward-facing circuit device, rearward-facing electrical contacts, and a second electrical interconnect assembly. The interchangeable device module is removably installed in the main cavity, via its open front, with the respective contacts plugged together.
US11451028B2	Conduit nipple grounding bushing A conduit nipple grounding bushing to connect between two electrical enclosures or an electrical enclosure and a conduit body, comprising a body having a first portion and a second portion forming a hollow cylindrical interior for the passage of conductors therethrough, the body having a first opening at a first end of the body and a second opening at a second end of the body, the first portion having an outer surface with one or more mounting pads along a circumferential area, each of said one or more mounting pads configured for receipt of a grounding lug, and an end surface dimensioned to contact an electrical box about a knockout hole thereof, and wherein the second portion has exterior threads configured to pass through a knockout hole of an electrical box and dimensioned for receipt of a locknut if the conduit nipple grounding bushing is connected between two electrical boxes or for threaded engagement with a threaded hub of a conduit body if the conduit nipple grounding bushing is connected between an electrical box and a conduit body; and a grounding lug dimensioned for securement to one of the mounting pads by a screw, wherein the mounting pad includes a threaded bore for receipt of said screw.
US11451027B2	Press coupler for electrical conduit A press coupler is provided for use with a pipe or conduit system. The press coupler facilitates increased ease and speed of assembly of pipe and conduit installations and can be used with both threaded and non-threaded connections.
US11451026B2	Shape maintaining tool Provided is a shape maintaining tool for maintaining the shape of the plate-shaped metal wire when the metal wire is routed. The shape maintaining tool includes a first member that has a first holding portion for holding the metal wire and also has a first coupling portion that is to be fixed to the first holding portion. A second member has a second holding portion for holding the metal wire and a second coupling portion that is to be fixed to the second holding portion. The first coupling portion and the second coupling portion are rotatably coupled so as to rotate at least the width direction of the metal wire that is held by both the first holding portion and the second holding portion.
US11451025B2	Wire tray and mounting insert assemblies This publication describes techniques and apparatuses for releasably attaching an object (e.g., a wire tray) to a substrate. Current apparatuses generally do not enable the removal of an attached wire tray from a substrate without first removing an insert from a mounting stud extending from the substrate. The disclosed techniques and apparatuses are configured to permit the removal of an attached wire tray from a substrate without first removing an insert from a mounting stud extending from the substrate.
US11451023B2	Disconnect system for an auxiliary side ramp for a modular cable protector An auxiliary side ramp for use with modular cable protectors includes a number of tool engagement features. A tool can be used to removably engage these tool engagement features and allows a user to exert an upward force to disengage the edge connectors on adjacent auxiliary side ramps, and also disengage the auxiliary side ramp from the underlying cable protector. For example, the tool engagement features can be slots in the top surface of the auxiliary side ramp with undercuts adjacent to the lower ends of the slots. A tool with vertical rods is manually inserted into the slots to disengage the cable protectors. Horizontal projections at the bottom of the vertical rods engage the undercuts in the slots, and allow the user to disengage adjacent auxiliary side ramps by lifting upward on the tool.
US11451021B2	Electrical conduit spacing device An electrical conduit spacing device to organize spacing of an electrical conduit at a predetermined location, the electrical conduit spacing device including a main body, a plurality of magnetic portions disposed on a first side of the main body and a second side of the main body opposite with respect to the first side to attract the electrical conduit thereto, a plurality of measuring sticks perpendicularly disposed on at least a portion of a bottom surface of the main body with respect to a direction to indicate a distance of a space between the electrical conduit, and another object or surface, and a butterfly nut disposed on at least a portion of the main body to move at least one of the plurality of measuring sticks in response to movement of the butterfly nut.
US11451020B2	Core extraction assessment Generating an assessment of the suitability of cables, ducts, tubes, pipes and/or other hollow-type of conduits to extraction of cores, conductors, insulation, etc. included therein while still buried in the ground or otherwise positioned out-of-sight so as to be unavailable for visual and/or physical inspection is contemplated. The assessment may be used to indicate a suitability of a cable buried in the ground of a hybrid fiber coaxial (HFC) cable plant to extraction of the type whereby a core of the cable may be extracted using hydraulics while still buried.
US11451014B2	Fuse bank for HVAC systems The present disclosure relates to a fuse bank design for a heating, ventilation, and/or air conditioning (HVAC) system. The disclosed stair-step design enables the positioning of electrical components of the fuse bank in a non-vertically aligned manner, which blocks the accumulation of heat in the upper electrical components as a result of convection heating from the lower components of the fuse bank during operation of the HVAC system. For example, a fuse bank is disclosed for an HVAC system that includes: a mounting surface; a first fuse block including a first fuse holder coupled to the mounting surface; a spacer coupled to the mounting surface vertically below the first fuse block; and a second fuse block including a second fuse holder coupled to the spacer, wherein the spacer offsets the second fuse block from the mounting surface of the fuse bank in a stair-step arrangement.
US11451011B2	Laser module and laser system A laser module includes: an optical fiber; a plurality of semiconductor laser devices that includes a first semiconductor laser device and a second semiconductor laser device; a condenser lens that condenses laser beams emitted from the plurality of semiconductor laser devices and optically couples the laser beams to the optical fiber; a first terminal that supplies a first drive current to the first semiconductor laser device; and a second terminal that supplies a second drive current that to the second semiconductor laser device. The second drive current is smaller than the first drive current.
US11451008B2	Optical semiconductor device An optical semiconductor device includes a semiconductor multilayer structure, an active region interposed between a first facet on a light emitting side and a second facet opposing to the first facet, and a first electrode layer provided on a top of the semiconductor multilayer structure and a second electrode layer provided on a bottom of the semiconductor multilayer structure; and an electrical connection region connected to at least one of the first electrode layer and the second electrode layer of the optical semiconductor device and used for injecting a current to the active region, and α>β and β>0 are satisfied where α is the contact area included in a half region on the first facet side in a top area of the optical semiconductor device and β is the contact area included in a half region on the second facet side.
US11451006B2	Fiber laser device, production method for fiber laser device, and setting method A fiber laser device includes: an amplifying fiber; a delivery fiber in which laser light that has been outputted from the amplifying fiber is guided; and a Raman filter that reflects part of Raman scattered light that is generated by stimulated Raman scattering caused to the laser light.
US11451004B2	Downhole laser system with an improved laser output production and data collection One or more embodiments relates to a method of growing ultrasmooth and high quantum efficiency CsTe photocathodes. The method includes exposing a substrate of Cs using an alkali source such as an effusion cell; and controlling co-evaporating growth and co-deposition forming a CsTe growth. The method further includes monitoring a stoichiometry of the CsTe growth.
US11451000B2	Cable processing apparatus A crimping cassette for a crimping device of a cable processing apparatus includes a crimping tool having stationary and movable tool parts configured to act together in a crimping operation of the crimping device. The crimping cassette further includes a holding device having at least two claws for attaching to a mounting part in a mounting area of the claws, the mounting part being directly or indirectly fixed to the stationary tool part. The holding device has a locked closed position in which the claws are firmly clamped to the mounting part; an unlocked closed position in which the claws loosely grip the mounting part for allowing an adjustment movement of the stationary tool part within a spatially limited adjustment range; and an open position in which the claws release the mounting part such that the stationary tool part is separable from the holding device.
US11450995B2	Releasable power assembly A releasable power assembly prevents damage to plugs and receptacles connected to refrigerated shipping containers (reefers). Reefers are temporarily stored in shipping port reefer scaffolds and then loaded onto or unloaded off of ground transportation or freighters. However, errors in port command and control systems may result in the failure to unplug reefers prior to loading or unloading. Conventional reefer power plugs and receptacles are twist-locked together and damaged or destroyed if not manually disconnected prior to reefer movement. An advantageous releasable power assembly automatically unlatches before reaching a breaking point for failure to disconnect plug and receptacle.
US11450993B2	Automated capture of information about fixed cabling One embodiment is directed to detecting that a cable has been connected to a port of patching equipment and detecting that the cable is no longer connected to said port. In response to detecting that the cable is no longer connected, information associated with fixed cabling coupled to said port that is captured by a cable tester is downloaded to a controller. The downloaded information is associated with said port and the downloaded information and association information is locally stored at the controller. The locally stored information can then be used to create and/or populate objects in a database. Another embodiment is directed to including a storage device and a wireless interface in patching equipment or other equipment such as an outlet or consolidation point for use in writing information to the storage device and reading information from the storage device via the wireless interface. Other embodiments are disclosed.
US11450992B2	Plug load management system with load identification The present disclosure relates to a plug load management system having automatic and dynamic load detection, meaning it has the ability to identify devices that are plugged into outlets of a building and determine the location of the plug load down to the specific outlet. When a device is moved, the plug load management system can determine this change and update accordingly.
US11450989B2	Plug-in connector with ground terminal region A heavy-duty plug-in connector has a ground terminal that can be conveniently assembled and can comprise the greatest possible number of electrical crimp plug-in contacts (4,5). For this purpose, ground plug-in contacts (4′, 5′), likewise of a crimping configuration, are fitted in formations (13, 13′, 23, 23′) of the contact carriers (1, 2) for electrical contacting with metallic protective earthing elements (3, 3′, 3″, 3′″). For said contacting, the formations (13, 13′, 23, 23′) have a respective opening (130, 130′) or passage (230, 230′). In the formations (13, 13′, 23, 23′), not only ground plug-in contacts (4′, 5′) but also further plug-in contacts (4, 5) are arranged, so that the number of plug-in contacts (4, 5) of the plug-in connector is increased considerably.
US11450988B2	Strap connector with strap unlocking device The present disclosure discloses a strap connector. The strap connector includes an insulating body having a tongue plate, a number of conductive terminals and a strap unlocking device installed on the insulating body. The strap unlocking device includes a locking piece for locking with a mating connector and a pull strap connected to the locking piece. The strap connector further includes a guide rail piece arranged separately from the locking piece and installed on the insulating body. A part of the pull strap is located between the guide rail piece and the insulating body. As a result, the structure of the strap unlocking device is simplified, and it is convenient to install the strap unlocking device on the insulating body.
US11450986B2	Connector with pressing mechanism A connector with a pressing mechanism, and the connector includes a foundation, a latch mechanism, a release mechanism, and a cover. The foundation includes two position limiting parts and two accommodating spaces are arranged on two edges of the foundation. The latch mechanism includes a base arranged on the foundation, and the base includes a fixing part fixed in a fixing hole, and two latches are arranged in the accommodating spaces of two edges of the base. The release mechanism is assembled between the two position limiting parts, and the front end of a handle of the release mechanism is extended with a protruding part, and the bottom of the protruding part is a concave bottom. The cover is assembled on the foundation, and the cover includes an opening, and the pressing mechanism is located in the opening corresponding to the through hole and connected to the cover.
US11450982B2	3D printed electrical connector with tunable dielectric constant An electrical connector assembly which has a housing formed of a first photocurable polymer composition. Signal contacts are positioned in the housing for transmitting signals at a determined signal speed. A dielectric constant of the photocurable polymer composition is tuned to have a higher or lower dielectric constant to be compatible with the desired signal performance characteristics of the signals transmitted over the signal contacts in the housing.
US11450976B2	Ground bar and method of grounding A ground bar comprising a planar body having a wedge shape in that a width of a top end of the planar body is greater than a width of a bottom end of the planar body. The planar body is constructed of an electrically-conductive material. A plurality of upper hole pairs are defined in the planar body. Each of the first hole pairs is adapted to have a corresponding electrical wire to be grounded selectively affixed thereto.
US11450973B1	All metal wideband tapered slot phased array antenna An all metal wideband tapered slot phase array antenna includes: a ground plate; and a plurality of antennas arranged on the ground plate, wherein each of the antennas includes radiators configured to face each other with respect to a center line, forming an inclined surface that starts from the ground plate and decreases in width in an exponential manner, and having a non-uniform thickness.
US11450968B1	Highly miniaturized folded-slot based MIMO antenna design for CubeSat applications A miniaturized folded slot-based multiple-input-multiple-output (MIMO) antenna operating in the ultra high frequency (UHF) band for use in CubeSats. The MIMO antenna includes a circuit board having a front side and a back side separated by a dielectric material, a metallic coating covering the front side where the metallic coating is folded over a first edge and covers a first portion of the back side and is folded over a second edge and covers the second portion of the back side. A first meandering slot line is configured as a first antenna and a second meandering slot line is configured as a second antenna; a first metallic feed horn and a second metallic feed horn feed the first antenna and the second antenna, respectively. The antennas include a plurality of capacitors to tune a first resonance frequency of the first antenna and a second resonance frequency of the second antenna.
US11450967B2	Slot antenna A slot antenna is provided with a metal cylindrical antenna element. The antenna element is formed at a height of λ/4 or less when λ is a wavelength of an antenna frequency to be used. Further, the antenna element has a slot for vertical polarization having a length of λ/2 or more in a circumferential direction.
US11450961B1	Spoiler integrated compact and low profile AM/FM and DAB antennas A vehicle includes a spoiler and an antenna assembly for the vehicle. The spoiler includes a support surface and a cover attachable to the support surface to form a cavity with the support surface. The antenna assembly includes a circuit board, antenna and support beam. The circuit board is attachable to the support surface. The support beam extends from the circuit board and the antenna is at an end of the support beam opposite the circuit board. The antenna is disposed within the cavity.
US11450958B2	Ultra wide band antenna and communication terminal An ultra wide band (UWB) antenna includes: a radiator, including a waveguide cavity which has opposite open-end faces; and a feeding end, disposed on one of the open-end faces. The UWB antenna according to the present disclosure overcomes the technical problems that a horn antenna in related technologies is difficult to be applied to an integrated communication terminal due to its large size, complicated structure, and difficulties in processing.
US11450951B2	Filtering, power-dividing and phase-shifting integrated antenna array feed network The invention discloses a feed network for an antenna array with integrated filtering, power splitting and phase shifting, comprising upper and lower metal floors, metal connecting posts, coaxial feed terminals, a suspended dielectric substrate, suspended strip lines and two phase-adjusting dielectric substrates; the upper and lower metal floors share a common ground through the metal connecting posts, the suspended strip lines are provided on the suspended dielectric substrate, the suspended dielectric substrate is positioned horizontally between the two phase-adjusting dielectric substrates, the two phase-adjusting dielectric substrates are positioned horizontally between the upper and lower metal floors; the suspended strip lines comprise a one-to-three filtering power splitting unit, two one-to-two unequal filtering power splitting units, two first phase-shifting lines and two second phase-shifting lines, the two phase-adjusting dielectric substrates cover the one-to-three filtering power splitting unit, part of the two first phase-shifting lines and the two second phase-shifting lines. The invention provides integrated design of the three functional circuits with filtering, power splitting and phase shifting to avoid cascading mismatch between different functional circuits in conventional designs.
US11450949B2	Antenna structure and electronic device comprising antenna An electronic device capable of radiating signals toward a plurality of planes is provided, and includes a housing including a first plate and a second plate facing away from the first plate, and an antenna structure positioned in the housing. The antenna structure includes a first printed circuit board (PCB) that includes a first surface facing a first direction, a second PCB that includes a second surface facing a second direction different from the first direction, a flexible PCB (FPCB) that is extended between a first periphery of the first PCB and a second periphery of the second PCB, a first conductive pattern that is formed in the first PCB or on the first surface, a second conductive pattern that is formed in the second PCB or on the second surface, and a wireless communication circuit that is mounted on the first PCB and/or the second PCB.
US11450946B2	Mobile terminal and mobile terminal antenna production method A mobile terminal and a mobile terminal antenna production method. The mobile terminal uses an insulation film layer on an insulation rear housing as a carrier of a radiating element of an antenna, and the radiating element is located within the entire mobile terminal, thereby effectively increasing a height of the radiating element of the antenna relative to a circuit board with the antenna not affecting an appearance of the mobile terminal. Compared with a conventional support solution, this manner can increase a height of about 0.2 mm to 0.6 mm. This reduces an impact caused by a metal component on the circuit board on antenna radiation, and further increases a bandwidth and efficiency of the antenna so that the antenna can cover a frequency band used in a handheld communications system.
US11450944B2	Electronic device including antenna An electronic device is provided. The electronic device may comprise a housing comprising: a front plate facing a first direction, a back plate facing a second direction opposite to the first direction, and a side surface which surrounds the front plate and the back plate, wherein the front plate includes a screen area and a bezel area; a display exposed through the screen area of the front plate; a first circuit board disposed between the display and the back plate and including a first surface facing the display and a second surface facing the back plate; a first antenna array overlaid on the bezel area in the first surface; a second antenna array disposed on the second surface; and a wireless communication circuit disposed on the first circuit board and electrically connected with the first antenna array and the second antenna array, wherein the wireless communication circuit is configured to: form a beam which has directionality in the first direction using the first antenna array and form a beam which has directionality in the second direction using the second antenna array.
US11450943B2	Tiered chassis with antenna cavity An example device may comprise a metallic chassis having a tiered surface comprising an upper face, a connecting face, and a lower face. The connecting face may be arranged between the upper face and the lower face such that the upper face and the connecting face define a raised area. The device may also comprise an antenna cavity formed in the raised area and having an opening in the upper face and the connecting face.
US11450942B2	Antenna module and communication device equipped with the same An antenna module (100) includes at least one antenna element (121), a ground electrode (GND1), and a dielectric layer (130), which is provided between the antenna element (121) and the ground electrode (GND1), and on which the antenna element (121) is mounted. A space (132) is formed between the dielectric layer (130) and the ground electrode (GND1) in a region where the antenna element (121) and the ground electrode (GND1) overlap each other when the dielectric layer (130) is seen in a plan view.
US11450940B2	Mechanical actuators for a wireless telecommunication antenna mount A remotely controllable antenna mount for use with a wireless telecommunication antenna provides both mechanical azimuth and mechanical tilt adjustment using AISG compatible motor control units and AISG control and monitoring systems to remotely adjust the physical orientation of the antenna. The mount control units are serially interconnected with existing AISG antenna control units (ACU's) which adjust internal electronic tilt of the antenna. The present solution provides the ability to both physically aim the antenna to adjust coverage area and also adjust the signal phase to fine tune the quality of the signal.
US11450939B2	Multi-mode autonomous localization beacon An autonomous locator beacon including a protective casing having a power supply and a generator of radio signals connected to a transmit antenna for transmitting the generated signals. The transmit antenna is capable of taking a deployed position and a folded position. In the folded position, the transmit antenna is wound about the protective casing.
US11450934B2	Spark protection apparatus for intrinsically safe, battery-operated devices A simple, low-cost circuit is disclosed that provides the requisite triple redundancy for a spark protection circuit for a battery-operated device having an on-board battery charger that is intended for use in hazardous atmospheres. The circuit complies with the IEC standard for intrinsically safe products.
US11450928B2	Cell-contacting device for a battery and battery A cell-contacting device for a battery module includes a cell-connector support fitted onto a plurality of storage-cell modules of the battery module and a cell-connector sheet. The cell-connector support has a snap-fit arrangement. The cell-connector sheet is mounted on or in the cell-connector support by the snap-fit arrangement in a form-fitting manner.
US11450925B2	Method of manufacturing electrode-separator composite, electrode-separator composite manufactured by the manufacturing method and lithium secondary battery comprising the same Disclosed is a method of manufacturing an electrode-separator composite: including (S1) coating an electrode active material slurry on at least one surface of an electrode current collector and drying to form an electrode, (S2) coating a polymer solution containing polymer particles on at least one surface of the electrode to form a separator coating layer, and (S3) drying the separator coating layer to form a porous separator, and an electrode-separator composite manufactured by the manufacturing method and a lithium secondary battery comprising the same.According to the present disclosure, a porous separator is manufactured by coating polymer particles on an electrode, thereby effectively controlling the uniformity and tortuosity of the pores, a porous separator is manufactured by directly coating a polymer solution on an electrode without separately manufacturing a separator, thereby saving the process costs and time, and further, when a functional group able to capture manganese is attached to the surface of polymer particles constituting a separator, deterioration in battery performance may be prevented through removal of manganese ions that may be deposited on an anode during operation of a battery.
US11450923B2	Method for interrupting short circuit current in battery system, battery system, and electric vehicle and power storage device which are equipped with battery system A short circuit current interruption method of a battery system including: stacking a plurality of prismatic battery cells and connecting the plurality of prismatic battery cells with a parallel connection bus bar in parallel to form a battery block, wherein a sealing plate of the prismatic battery cell is a plate material having flexibility that deforms when an internal pressure rises due to an internal short circuit, and when a rise in the internal pressure due to the internal short circuit of the prismatic battery cell causes deformation, the deformation of the sealing plate is detected, and when an amount of deformation exceeds a setting value, the short circuit current of the battery connected in parallel with the internally short circuited battery is interrupted.
US11450921B2	Separator fabrication method, separator fabricated thereby, and electrochemical element comprising same separator A method for manufacturing a separator, including the steps of: (S1) preparing a dispersion containing inorganic particles dispersed in a first solvent and a first binder polymer dissolved in the first solvent; (S2) preparing a binder polymer solution containing a second binder polymer dissolved in a second solvent, and mixing the binder polymer solution with the dispersion so that a combined weight of the inorganic particles and the first binder polymer in the dispersion may be 1.5-8 times of a weight of the second binder polymer in the binder polymer solution; and (S3) applying the resultant mixture to at least one surface of a porous polymer substrate, followed by drying, to form a porous coating layer on the porous polymer substrate. Also, a separator obtained by the method and an electrochemical device including the same.
US11450911B2	Battery packaging material, method for manufacturing the same, and battery A battery packaging material is configured from a laminate including, at a minimum, a polyester film layer, an aluminum alloy foil layer, and a heat fusible resin layer in the stated order. The thickness of the polyester film layer is 23-27 μm (inclusive), the thickness of the aluminum alloy foil layer is 27-43 μm (inclusive), the thickness of the heat fusible resin layer is 70-100 μm (inclusive), and the insulation breakdown voltage of the surface of the polyester film layer side is 13 kV or greater.
US11450910B2	Secondary battery and insulator for secondary battery A secondary battery may include: an electrode assembly in which a positive electrode, a negative electrode, and a separator are wound or stacked; an insulator on at least one of an upper portion and a lower portion of the electrode assembly; and a battery case configured to accommodate the electrode assembly, the insulator, and an electrolyte and sealed by a cap assembly, wherein the insulator includes: a peripheral portion having a disk ring shape and made of a rigid material; and a central portion extending inward from an inner circumferential surface of the peripheral portion and including a textile fabric having high-temperature resistance.
US11450902B2	Battery pre-processing apparatus and method Disclosed is a battery pre-processing apparatus and method. The battery pre-processing apparatus includes a control mechanism, as well as an automatic feeding mechanism, a transmission mechanism, an electricity monitoring actuator, a non-destructive testing mechanism, a flexible grabber mechanism, a multi-station operating table, an automatic cutting mechanism, an automatic separation mechanism, and a recovery and dust collection system that are each electrically connected to the control mechanism.
US11450896B2	Battery pack, power tool system, and charging system A battery pack includes a housing of a first material, a cell assembly, and a cell support of a second material. The cell assembly is disposed in the housing and includes a plurality of cell units. The cell unit includes a positive electrode of the cell unit and a negative electrode of the cell unit. The cell support is configured to support at least the cell assembly. The cell support is at least disposed at two ends of the cell assembly and at least part of the cell support encapsulates the positive electrode of the cell unit and the negative electrode of the cell unit. The first material is different from the second material.
US11450895B2	Electric tool and method for supplying power to electric tool The present disclosure relates to an electric tool and a power supply method for an electric tool. The electric tool includes: a housing; a motor, accommodated in the housing; battery pack mounting portions, at least two battery packs being detachably mounted in the battery pack mounting portions; a main switch, being in an open state or a closed state according to an operation of a user, when the main switch is in a closed state, the battery packs are capable of supplying power to the motor, and when the main switch is in an open state, the battery packs stop supplying power to the motor; and a control assembly, detecting a state of the main switch, when the main switch is in an open state, the control assembly controls transfer of electric energy of a battery pack with a high voltage to a battery pack with a low voltage of the at least two battery packs.
US11450890B2	Secondary battery including first electrode with penetrating through holes, first separator layer on inner walls of through holes, and second separator layer on opposing faces on first electrode and method of producing the same A secondary battery made by laminating a separator layer and a second electrode to insides of a plurality of through holes of a first electrode, the first electrode having one face, an opposite face, a side face, and the through holes that penetrate from the one face to the opposite face, makes it possible to stably collect currents for the second electrode, and gives good cycle characteristics as a secondary battery. The secondary battery includes: the first electrode having the one face, the opposite face, the side face, and a plurality of the through holes that penetrate from the one face to the opposite face; a first separator layer that is laminated to inner walls of the through holes of the first electrode; a second separator layer that is laminated to at least one of the one face and the opposite face of the first electrode; and the second electrode that is laminated to surfaces of the first separator layer and the second separator layer, the surfaces being on the opposite side of other surfaces thereof which are in contact with the first electrode, the second electrode being continuously present across the surfaces, wherein conductivity of a carrier ion of the second separator layer is lower than that of the first separator layer.
US11450888B2	Nonaqueous electrolyte and nonaqueous electrolyte energy storage device One aspect of the present invention is a nonaqueous electrolyte for an energy storage device comprising: an alkali metal salt; a first aprotic organic solvent coordinating to an alkali metal ion in the alkali metal salt, and not including a fluorine atom; a second aprotic organic solvent including a fluorine atom; and an additive comprising a polar group and a group including a fluorine atom, wherein a content of the alkali metal salt is no less than 0.9 mol/kg and less than 2 mol/kg, a content of the first aprotic organic solvent with respect to the content of the alkali metal salt in terms of a molar ratio is no less than 0.7 and no greater than 4, and a content of the second aprotic organic solvent with respect to a total amount of the first aprotic organic solvent, the second aprotic organic solvent and the additive is no less than 40% by volume.
US11450887B2	Electrolyte for lithium secondary battery and lithium secondary battery containing same Disclosed herein are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The disclosed lithium secondary battery includes: a cathode; an anode; a separator interposed between the cathode and the anode; and an electrolyte, wherein the electrolyte includes: a lithium salt; and a solvent including a perfluorinated ether-based solvent, fluoroethylene carbonate (FEC), and ethylmethyl carbonate (EMC).
US11450883B2	Enhanced solid closo-borane electrolytes for batteries A solid-state electrolyte is presented that is a combined salt of an alkali metal or alkali earth metal closo-borate and alkali metal or alkali earth metal conductivity enhancing anion salt. The combined salt allows significantly higher conductivities in the solid state than the included alkali metal or alkali earth metal closo-borate. The combined salt can be prepared by mechanical combination or combination in solution. The salts can be used in solid-state electrochemical devices.
US11450880B2	Nonaqueous electrolyte secondary battery Provided is a nonaqueous electrolyte secondary battery, in which the capacity retention rate after high temperature storage is high, the gas amount after high temperature storage is suppressed, the resistance after high temperature storage is low, the amount of metal dissolution from a positive electrode is small, and the amount of heat generation at a high temperature is small. A nonaqueous electrolyte secondary battery including a positive electrode with a positive electrode active material capable of absorbing and releasing a metal ion; a negative electrode with a negative electrode active material capable of absorbing and releasing a metal ion; and a nonaqueous electrolyte solution; wherein the positive electrode active material includes a lithium transition metal compound, and the positive electrode active material includes at least Ni, Mn and Co, wherein the molar ratio of Mn/(Ni+Mn+Co) is larger than 0 and not larger than 0.32, the molar ratio of Ni/(Ni+Mn+Co) is 0.45 or more, the plate density of the positive electrode is 3.0 g/cm3 or more; and the nonaqueous electrolyte solution includes a monofluorophosphate and/or a difluorophosphate.
US11450879B2	Electrode assembly An electrode assembly in which a positive electrode and a negative electrode are alternately stacked, and a separator is disposed between the positive and negative electrodes comprises: a folding unit, a negative electrode unit, and a positive electrode unit alternately inserted between layers of the separator of which one side and the other side are alternately folded in a zigzag shape in a direction perpendicular to a direction in which the positive electrode and the negative electrode are stacked; and a stacking unit in which the positive electrode, the separator, and the negative electrode, each of which is cut by a predetermined size, are sequentially stacked. The folding unit having a Z-folding structure and the stacking unit having a lamination & stacking structure may be bonded to each other. Thus, the positive electrode may increase in area relative to the negative electrode in the folding unit to increase in capacity.
US11450870B2	Fuel cell system A fuel cell system includes: a fuel cell in which a plurality of cells is stacked; a cathode gas supply unit that supplies a cathode gas to the fuel cell; a voltage sensor that measures the voltage of the fuel cell; and a control unit that maintains the voltage of the fuel cell within a predetermined voltage range by controlling a supply amount of the cathode gas during low-load operation in which a load is lower than in normal operation. The control unit determines that there is a cross-leakage abnormality in the fuel cell when the supply amount of the cathode gas required to maintain the voltage of the fuel cell within the predetermined voltage range exceeds a predetermined criterial threshold value during the low-load operation.
US11450869B2	Fuel cell system A fuel cell system includes a first fuel cell stack having a discharge manifold, a second fuel cell stack having a discharge manifold, a first auxiliary machine used for power generation of the first fuel cell stack, a second auxiliary machine used for power generation of the second fuel cell stack, and a controller configured to control operation of the first auxiliary machine and the second auxiliary machine. The controller is configured to control operation of the first auxiliary machine and the second auxiliary machine, such that one of the first fuel cell stack and the second fuel cell stack, of which a discharge direction of reaction gas discharged from the discharge manifold forms a smaller angle with a vertical downward direction, starts generating power earlier than the other fuel cell stack, after power generation of the first fuel cell stack and the second fuel cell stack is stopped.
US11450863B2	Co-molded components of a redox flow battery stack A cell plate assembly of a redox flow battery has a frame body and a cell plate in fluidic communication. Cell plates, electrolyte pathways and other components of the frame plate assembly may be overmolded inside a frame. Plates, frames and tubes may all be robustly sealed. One piece bonded plug and frames enable reduced use of O-rings and other wear items.
US11450861B2	Anode catalyst layer for fuel cell and fuel cell using same An anode catalyst layer for a fuel cell according to the present invention includes: electrode catalyst particles; a carbon carrier carrying the electrode catalyst particles; water electrolysis catalyst particles; a proton-conductive binder; and a graphitized carbon, wherein the content of graphitized carbon in the anode catalyst layer for a fuel cell is 15-70 volume % with respect to the total volume of the electrode catalyst particles, the carbon carrier, and the graphitized carbon.
US11450858B2	Non-aqueous electrolyte secondary battery having an improved insulating layer Provided is a non-aqueous electrolyte secondary battery in which an increase in temperature, which is caused by a short circuit at an exposed part of an interface between a positive electrode current collector and an insulating layer provided on the positive electrode current collector, is suppressed. The non-aqueous electrolyte secondary battery disclosed here includes a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode includes a positive electrode current collector, a positive electrode active substance layer and an insulating layer. The positive electrode current collector has a part where the positive electrode current collector is exposed at at least one edge thereof. The insulating layer is positioned at a boundary between the positive electrode active substance layer and the part where the positive electrode current collector is exposed. The insulating layer contains an inorganic filler and resin particles at a mass ratio of 75:25 to 25:75. The compressive strength of the resin particles is 74 MPa or less.
US11450854B2	Redox flow battery electrolytes The present invention relates to novel combinations of redox active compounds for use as redox flow battery electrolytes. The invention further provides kits comprising these combinations, redox flow batteries, and method using the combinations, kits and redox flow batteries of the invention.
US11450850B2	Configuring anisotropic expansion of silicon-dominant anodes using particle size Systems and methods for configuring anisotropic expansion of silicon-dominant anodes using particle size may include a cathode, an electrolyte, and an anode, where the anode may include a current collector and an active material on the current collector. An expansion of the anode during operation may be configured by utilizing a predetermined particle size distribution of silicon particles in the active material. The expansion of the anode may be greater for smaller particle size distributions, which may range from 1 to 10 μm. The expansion of the anode may be smaller for a rougher surface active material, which may be configured by utilizing larger particle size distributions that may range from 5 to 25 μm. The expansion may be configured to be more anisotropic using more rigid materials for the current collector, where a more rigid current collector may comprise nickel and a less rigid current collector may comprise copper.
US11450845B2	Surface modification of silicon-containing electrodes using carbon dioxide Various implementations of a method of forming an electrochemical cell include providing a first electrode, a second electrode, a separator between the first and second electrodes, and an electrolyte in a cell container. The first electrode can include silicon-dominant electrochemically active material. The silicon-dominant electrochemically active material can include greater than 50% silicon by weight. The method can also include exposing at least a part of the electrochemical cell to CO2, and forming a solid electrolyte interphase (SEI) layer on the first electrode using the CO2.
US11450843B2	Process for the preparation of a material comprising at least silicon particles and silicon nanowires A process for the preparation of a material comprising at least silicon particles and silicon nanowires, said process comprising: (1) introducing, into a chamber of a reactor, at least: silicon particles, and a catalyst, (2) introducing, into the chamber, a precursor composition comprising at least a silane compound or a mixture of silane compounds as precursor compound of the silicon nanowires, (3) decreasing the content of molecular oxygen in the chamber, (4) applying a heat treatment to the chamber at a temperature ranging from 270° C. to 600° C., and (5) recovering the material comprising at least silicon particles and silicon nanowires. A material based on silicon particles and on silicon nanowires and its use for manufacturing electrodes, notably anodes, which can be used in an energy storage device.
US11450841B2	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.
US11450839B2	Display device and manufacturing method thereof comprising patterning light-emitting layer in opening region A display device, a display panel, and a manufacturing method thereof are provided. The method includes: providing a display substrate including a display region having an opening region and an isolation region surrounding the opening region; forming a light-emitting layer covering the overall display region; forming a blocking layer on the light-emitting layer, the orthographic projection thereof on the display substrate covering an overall opening region and at least part of the isolation region; forming a first packaging layer covering the light-emitting layer and the blocking layer; forming a photoresist layer to pattern the first packaging layer and form a first through hole, the orthographic projection of the first through hole on the display substrate being within that of the blocking layer on the display substrate; removing the photoresist layer with stripper; and removing the blocking layer and part of the light-emitting layer corresponding to the first through hole.
US11450837B2	Display device A display device includes: a substrate including a display area, a first non-display area, a second non-display area, and a bending area; a display element disposed on a surface of the substrate; a resin layer disposed on another surface of the substrate to correspond to the display area, where the resin layer exposes at least a portion of the another surface; an external light-absorbing layer disposed on the another surface exposed by the resin layer; and a first protective layer disposed on the another surface of the substrate to correspond to the first non-display area.
US11450828B2	Display device A display device comprising: pixel electrodes; an electroluminescent layer composed of layers laminated with each other, the multiple layers including a light-emitting layer and a charge generation layer; and a counter electrode. The multiple layers include a first layer composed of sections separated from each other and overlapping with the pixel electrodes, a second layer in contact with the first layer and continuous over the pixel electrodes, and a third layer interposed between the first layer and the second layer, the third layer being in contact with the first layer and the second layer over an adjacent pair of the sections. At least the charge generation layer is the first layer. The second layer is adapted to inject or transport carriers, either electrons or holes. The third layer is adapted to block the carriers injected or transported by the second layer.
US11450827B2	Organic light-emitting device An organic light-emitting device is provided, including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, wherein the emission layer includes a host and a dopant, wherein the host includes at least one selected from a phosphine oxide-based compound, a pyrimidine-containing compound, a triazine-containing compound, and a cyano group-containing compound, and the dopant satisfies Equation 1, wherein, in Equation 1, ED, S1 refers to a singlet state energy level (eV) of the dopant; and ED, T1 refers to a triplet state energy level (eV) of the dopant: \|ED,S1−ED,T1\|≤0.2 eV. Equation 1
US11450826B2	Light emitting device, method of manufacturing same and display device including same A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.
US11450820B2	Light-emitting device, light-emitting apparatus, electronic device, and lighting device To provide a light-emitting device not only including a light-emitting layer in which energy is efficiently transferred from a host material to a guest material but also having high reliability. In the light-emitting device, the light-emitting layer includes an organic compound having a specific naphthofuropyrazine skeleton as a host material and a light-emitting substance (e.g., an organometallic complex) whose T1 level (TG) is within a certain range as a guest material, thereby increasing not only the efficiency of energy transfer from the host material to the guest material but also the reliability.
US11450817B2	Organic electroluminescent device An organic electroluminescent device having an anode, a cathode, and a light emitting layer between the anode and the cathode, in which the light emitting layer contains a first organic compound, a second organic compound, and a third organic compound that satisfy the following expression (A), the second organic compound is a delayed fluorescent material, and the third organic compound is a light emitting material, is capable of enhancing the light emission efficiency. ES1(A), ES1(B) and ES1(C) represent a lowest singlet excitation energy level of the first, second and third organic compound, respectively. ES1(A)>ES1(B)>ES1(C) (A)
US11450815B2	Hole transporting material, method of manufacturing same and organic electroluminescent device A hole transporting material is disclosed, and has a structural formula as shown in a formula (A): wherein R group of the hole transporting material is one of a carbazole group and a derivative group thereof, a diphenylamine group and a derivative group thereof, a phenoxazine group and a derivative group thereof, and an acridine group and a derivative group thereof. The hole transporting material is synthetized to have a suitable energy level and a high mobility by using an acridine structure as a core. An organic electroluminescent device based on the hole transporting material has high luminous efficiency.
US11450814B2	Organic electroluminescent compound and organic electroluminescent device comprising the same The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan characteristics can be provided.
US11450812B2	4H-imidazo[1,2-a]imidazoles for electronic applications The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
US11450810B2	Compound and thin film transistor and electronic device Disclosed are a compound represented by Chemical Formula 1A or 1B, an organic thin film including the same, a thin film transistor, and an electronic device. In Chemical Formulae 1A and 1B, X1, X2, R1 to R4, and n1 are the same as described in the detailed description.
US11450799B2	Micron-scale monocrystal film The invention provides a micron-scale monocrystal film. The micron-scale monocrystal film includes 1) a substrate layer, and 2) a micron-scale monocrystal film layer located on the substrate layer, wherein a transition layer is interposed between the substrate layer and micron-scale monocrystal film layer, and the transition layer may include a first transition layer disposed adjacent to the substrate layer and a second transition layer disposed adjacent to the micron monocrystal film layer, wherein the transition layer may include H and an element from at least one kind of plasma gas used during the plasma bonding of the substrate layer and the micron-scale monocrystal film layer.
US11450796B2	Micro light emitting diode display panel A micro light emitting diode display panel is provided, which includes a substrate, a plurality of first signal lines, a plurality of transparent conductive patterns, a plurality of metal conductive patterns, a plurality of first pads, a plurality of second pads, and a plurality of micro light emitting diode devices. The first signal lines are disposed on the substrate. The transparent conductive patterns are separately distributed on the substrate. The metal conductive patterns and the transparent conductive patterns are alternately arranged on the substrate. The metal conductive patterns are electrically connected between the transparent conductive patterns. The first pads are respectively connected to the first signal lines. The second pads are electrically connected to the transparent conductive patterns. Each of the micro light emitting diode devices is electrically bonded to one of the first pads and one of the second pads.
US11450795B2	Light-emitting module and surface-emitting light source including a plurality of wiring formations between two terminals A light-emitting module according to an embodiment includes a plurality of light-emitting elements, light-guiding plates each having a light-exiting surface, and a wiring layer connected to electrodes of the plurality of light-emitting elements on a surface opposite to the light-exiting surface. The wiring layer includes a first terminal, a second terminal, a first wiring pattern connecting the first terminal and the second terminal, a second wiring pattern connecting the first terminal and the second terminal, a third wiring pattern disposed between the first wiring pattern and the second wiring pattern to connect the first terminal and the second terminal, a fourth wiring pattern connecting the first to third wiring patterns in parallel, the fourth wiring pattern being connected to the first terminal, and a fifth wiring pattern connecting the first to third wiring patterns in parallel, the fifth wiring pattern being connected to the second terminal.
US11450787B2	Light-emitting device An optoelectronic semiconductor device includes a semiconductor stack, an electrode, and a plurality of contact portions. The semiconductor stack includes a first type semiconductor structure, an active structure on the first type semiconductor structure, and a second type semiconductor structure on the active structure. The first type semiconductor structure includes a first protrusion part, a second protrusion part and a platform part between the first protrusion part and the second protrusion part. The semiconductor stack includes a thickness. The electrode on the second type semiconductor structure includes a region corresponding to the first protrusion. The contact portions are located at the second protrusion part without being at the first protrusion part. The contact portions are attached to the first type semiconductor structure. There is a first distance between the electrode and the nearest contact portion, and a ratio of the first distance to the thickness of the semiconductor stack is larger than 5.
US11450784B2	Light-emitting thyristor, light-emitting element chip, optical print head, and image forming device A light-emitting thyristor includes a first semiconductor layer of a P type, a second semiconductor layer of an N type arranged adjacent to the first semiconductor layer; a third semiconductor layer of the P type arranged adjacent to the second semiconductor layer; and a fourth semiconductor layer of the N type arranged adjacent to the third semiconductor layer. A part of the first semiconductor layer is an active layer adjacent to the second semiconductor layer. A dopant concentration of the active layer is higher than or equal to a dopant concentration of the third semiconductor layer. A thickness of the third semiconductor layer is thinner than a thickness of the second semiconductor layer. A dopant concentration of the second semiconductor layer is lower than the dopant concentration of the third semiconductor layer.
US11450781B2	Tm2+luminescent materials for solar radiation conversion devices A solar radiation conversion device is described that uses a luminescent Tm2+ inorganic material for converting solar radiation of at least part of the UV and/or visible and/or infrared solar spectrum into infrared solar radiation, preferably the infrared solar radiation having a wavelength of around 1138 nm; and, a photovoltaic device for converting at least part of the infrared solar radiation into electrical power.
US11450779B2	Optically gated transistor light detector An apparatus, system, and method for detecting light having a specified or first wavelength. The apparatus includes a substrate that generates charge separation in the presence of light having the first wavelength. An active material is deposited onto the substrate. The active material is configured to conduct current in the presence of light having a second wavelength. Two electrodes are connected to the active material. Light having the second wavelength is constantly applied to the active material and the current is monitored via the electrodes. The active material will conduct zero or minimal current via the electrodes if the substrate does not generate charge separation. Detection the presence of light having the first wavelength may be detected upon the detection of current via the two electrodes. The first wavelength may be non-visible light and the second wavelength may be visible light.
US11450777B1	Back contact structure and selective contact region buried solar cell comprising the same A back contact structure includes: a silicon substrate including a back including a plurality of recesses disposed at intervals; a first dielectric layer disposed on the back surface of the silicon substrate, the first dielectric layer at least covering the plurality of recesses; a plurality of P-type doped regions and N-type doped regions disposed on the first dielectric layer and disposed alternately in the plurality of recesses; a second dielectric layer disposed between the plurality of P-type doped regions and the plurality of N-type doped regions; and a conductive layer disposed on the plurality of P-type doped regions and the plurality of N-type doped regions
US11450774B2	Semiconductor device including two or more adjustment regions A semiconductor device with an enhanced semiconductor characteristics that is useful for power devices. A semiconductor device including: a semiconductor region; a barrier electrode arranged on the semiconductor region; and two or more adjustment regions of barrier height that are on a surface of the semiconductor region and arranged between the semiconductor region and the barrier electrode, the adjustment regions are configured such that barrier height at an interface between the adjustment regions and the barrier electrode is higher than barrier height at an interface between the semiconductor region and the barrier electrode.
US11450772B2	Fin field-effect transistor device and method A method includes forming a first fin protruding above a substrate, the first fin having a PMOS region; forming a first gate structure over the first fin in the PMOS region; forming a first spacer layer over the first fin and the first gate structure; and forming a second spacer layer over the first spacer layer. The method further includes performing a first etching process to remove the second spacer layer from a top surface and sidewalls of the first fin in the PMOS region; performing a second etching process to remove the first spacer layer from the top surface and the sidewalls of the first fin in the PMOS region; and epitaxially growing a first source/drain material over the first fin in the PMOS region, the first source/drain material extending along the top surface and the sidewalls of the first fin in the PMOS region.
US11450770B2	Structures and methods for reducing stress in three-dimensional memory device Embodiments of counter-stress structures and methods for forming the same are disclosed. The present disclosure describes a semiconductor wafer including a substrate having a dielectric layer formed thereon and a device region in the dielectric layer. The device region includes at least one semiconductor device. The semiconductor wafer further includes a sacrificial region adjacent to the device region, wherein the sacrificial region includes at least one counter-stress structure configured to counteract wafer stress formed in the device region.
US11450768B2	High voltage field effect transistor with vertical current paths and method of making the same A field effect transistor for a high voltage operation can include vertical current paths, which may include vertical surface regions of a pedestal semiconductor portion that protrudes above a base semiconductor portion. The pedestal semiconductor portion can be formed by etching a semiconductor material layer employing a gate structure as an etch mask. A dielectric gate spacer can be formed on sidewalls of the pedestal semiconductor portion. A source region and a drain region may be formed underneath top surfaces of the base semiconductor portion. Alternatively, epitaxial semiconductor material portions can be grown on the top surfaces of the base semiconductor portions, and a source region and a drain region can be formed therein. Alternatively, a source region and a drain region can be formed within via cavities in a planarization dielectric layer.
US11450766B2	High electron mobility transistor with trench isolation structure capable of applying stress A high electron mobility transistor, including an active area, a buffer layer on the active area, a channel layer on the buffer layer, a barrier layer on the channel layer, and gate, source and drain on the barrier layer, and a trench isolation structure adjacent and surrounding the channel layer and the barrier layer to apply stress and modify two-dimension hole gas (2DHG) of the high electron mobility transistor.
US11450765B2	Quantum dot devices with diodes for electrostatic discharge protection A quantum dot device is disclosed that includes a fin and a gate above the fin. The fin may extend away from a base and include a quantum well stack in which one or more quantum dots may be formed during operation of the quantum dot device. The gate may include a gate electrode material having a first portion and a second portion, where the first portion is above the quantum well stack and the second portion is a portion that is not above the quantum well stack and is separated from the base by an insulating material. The quantum dot device may further include a metal structure between the second portion of the gate electrode material and the base, forming a portion of a diode provided in series with the gate, which diode may provide at least some ESD protection for the quantum dot device.
US11450758B2	Gate structure of semiconductor device and method of forming same A semiconductor device and a method of forming the same are provided. A method includes forming a fin extending from a substrate. A sacrificial gate electrode layer is formed along a sidewall and a top surface of the fin. A patterning process is performed on the sacrificial gate electrode layer to form a sacrificial gate electrode. A reshaping process is performed on the sacrificial gate electrode to form a reshaped sacrificial gate electrode. The reshaped sacrificial gate electrode includes a first portion along the top surface of the fin and a second portion along the sidewall of the fin. A width of the first portion decreases as the first portion extends from a top surface of the first portion toward the top surface of the fin. A width of the second portion decreases as the second portion extends from the top surface of the fin toward the substrate.
US11450751B2	Integrated circuit structure with backside via rail An IC structure includes a source epitaxial structure, a drain epitaxial structure, a first silicide region, a second silicide region, a source contact, a backside via rail, a drain contact, and a front-side interconnection structure. The first silicide region is on a front-side surface and a first sidewall of the source epitaxial structure. The second silicide region is on a front-side surface of the drain epitaxial structure. The source contact is in contact with the first silicide region and has a protrusion extending past a backside surface of the source epitaxial structure. The backside via rail is in contact with the protrusion of the source contact. The drain contact is in contact with the second silicide region. The front-side interconnection structure is on a front-side surface of the source contact and a front-side surface of the drain contact.
US11450745B2	Semiconductor device and method for manufacturing the same A semiconductor device according to embodiments includes a p-type SiC region, a gate insulating film disposed on the p-type SiC region, and a gate electrode disposed on the gate insulating film and including a p-type impurity and 3C—SiC.
US11450743B2	Method of forming a semiconductor device with implantation of impurities at high temperature A method of forming a semiconductor device includes implanting dopants of a first conductivity type into a semiconductor substrate to form a first well, epitaxially growing a channel layer over the semiconductor substrate, forming a fin from the second semiconductor material, and forming a gate structure over a channel region of the fin. The semiconductor substrate includes a first semiconductor material. Implanting the dopants may be performed at a temperature in a range of 150° C. to 500° C. The channel layer may include a second semiconductor material. The channel layer may be doped with dopants of the first conductivity type.
US11450740B2	Integrated memory comprising gated regions between charge-storage devices and access devices Some embodiments include an integrated assembly having an access transistor. The access transistor has a first source/drain region gatedly coupled with a second source/drain region. A digit line is coupled with the first source/drain region. A charge-storage device is coupled with the second source/drain region through an interconnect. The interconnect includes a length of a semiconductor material. A protective transistor gates a portion of the length of the semiconductor material.
US11450739B2	Germanium-rich nanowire transistor with relaxed buffer layer A semiconductor structure has a substrate including silicon and a layer of relaxed buffer material on the substrate with a thickness no greater than 300 nm. The buffer material comprises silicon and germanium with a germanium concentration from 20 to 45 atomic percent. A source and a drain are on top of the buffer material. A body extends between the source and drain, where the body is monocrystalline semiconductor material comprising silicon and germanium with a germanium concentration of at least 30 atomic percent. A gate structure is wrapped around the body.
US11450733B2	Three dimensional metal insulator metal capacitor structure The present disclosure relates to a semiconductor device and a manufacturing method, and more particularly to a 3D metal insulator metal (MIM) capacitor structure with an increased capacitance per unit area in a semiconductor structure. The MIM structure includes a substrate, an oxide layer formed over the substrate, and a first metal layer formed over the oxide layer. The first metal layer includes a plurality of mandrels formed on a surface of the first metal layer. The MIM structure also includes a dielectric layer formed over the first metal layer and the plurality of mandrels, a second metal layer formed over on the dielectric layer, and one or more interconnect structures electrically connected to the first and second metal layers.
US11450728B2	Organic light emitting diode display and manufacturing method thereof A display device includes: a substrate; a semiconductor layer; a gate electrode overlapping the semiconductor layer; a common voltage line disposed on a same layer as the gate electrode; a common voltage line anti-oxidation layer disposed on the common voltage line; an interlayer insulating layer; source and drain electrodes disposed on the interlayer insulating layer; and a common voltage applying electrode disposed on a same layer as the source electrode and the drain electrode. The common voltage applying electrode is connected to the common voltage line through a first contact hole formed in the interlayer insulating layer, the common voltage line anti-oxidation layer includes an opening overlapping the common voltage line, the interlayer insulating layer is disposed in the opening, a width of the opening is smaller than a width of the common voltage line, and the first contact hole is disposed in the opening in a plan view.
US11450726B2	Display apparatus having improved light transmissivity and method of manufacturing the display According to an aspect of the invention, a display apparatus includes: a substrate comprising a first area and a second area; a first pixel electrode in the first area and a second pixel electrode in the second area; a first intermediate layer disposed on the first pixel electrode and a second intermediate layer disposed on the second pixel electrode; a first opposite electrode facing the first pixel electrode with the first intermediate layer therebetween and having a first light transmissivity; and a second opposite electrode facing the second pixel electrode with the second intermediate layer therebetween and having a second light transmissivity lower than the first light transmissivity.
US11450725B2	Display panel and display apparatus including the same A display panel includes two or more gate layers including a plurality of gate patterns extending in a first direction and one or more source-drain layers including a plurality of source-drain patterns extending in a second direction crossing the first direction. The gate patterns of the two or more gate layers are curved or bent along a hole surrounding area corresponding to a periphery of a hole in an active area. The source-drain patterns of the one or more source-drain layers are curved or bent along the hole surrounding area. The gate patterns of at least one of the two or more gate layers overlap the source-drain patterns of at least one of the one or more source-drain layers in a thickness direction of the display panel in the hole surrounding area.
US11450723B2	Wiring structure of pixel driving circuit having first distance between data signal line and control terminal of driving transistor is greater than second distance between first power signal line and control terminal of driving transistor, display panel, and display device having the same The present disclosure provides a wire layout of a pixel driving circuit. The circuit includes: a first switching element, a control terminal of the first switching element being coupled to a scan signal line, a first terminal of the first switching element being coupled to a data signal line; and a driving transistor, a first terminal of the driving transistor being coupled to a power signal line; wherein a first distance between the data signal line and the control terminal of the driving transistor is greater than a second distance between the first power signal line and the control terminal of the driving transistor.
US11450722B2	Display device A display device includes: a first semiconductor layer on a first buffer layer, and including a first active layer; a first gate insulating layer on the first semiconductor layer, and covering the first active layer; a first conductive layer on the first gate insulating layer, and including a first gate electrode; a second conductive layer on the first conductive layer, and including a first source/drain electrode; a first interlayer insulating layer on the first conductive layer; a second semiconductor layer on the first interlayer insulating layer, and including a second active layer; a second gate insulating layer on the second semiconductor layer, and covering the second active layer; and a third conductive layer on the second gate insulating layer, and including a second gate electrode and a second source/drain electrode. The first gate insulating layer and the second gate insulating layer include different insulating materials from each other.
US11450720B2	Display device A display device includes a substrate including an outer area neighboring a border; and an insulating layer positioned over the substrate and including a plurality of openings positioned over the outer area. The openings are arranged to be spaced from each other in a direction. The display device further includes a wavy line extending in the direction and passing the plurality of openings.
US11450719B2	Organic light-emitting panel and fabrication method thereof An organic light-emitting panel, including a substrate, a planarization layer, a reflective layer and a bank layer, is provided. The substrate has a display region and a periphery region beside the display region. The planarization layer is disposed on the substrate and has an indentation. The reflective layer is disposed on the planarization layer. The reflective layer is formed along a sidewall of the indentation. The bank layer is disposed on the planarization layer, covers the indentation, and has a periphery taper surface. The indentation is adjacent to the periphery taper surface and is closer to the display region than the periphery taper surface. A fabrication method of the above organic light-emitting panel is also provided.

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