Document Document Title
US11382251B2 Component mounting system, component mounting device, and component mounting method
A component mounting system includes a component mounting device including a component mounting unit configured to mount a component on a substrate, and a controller, and a server configured to be communicable with the controller. The controller is configured or programmed to acquire a plurality of types of operating state changes that are likely to cause a quality defect, and to transmit, to the server, information according to the types of the operating state changes. The server is configured to provide information indicating an inspection type for the substrate based on the information according to the types of the operating state changes.
US11382244B2 Anti-radiation structure, temperature-pressure complex sensor including the same and having anti-radiation property, and manufacturing method thereof
Provided is a temperature-pressure complex sensor with an anti-radiation property including a first sensing material which is a porous conductive film, and second sensing materials which are dispersedly disposed on a surface of the first sensing material. The second sensing materials may include a conductive structure having a two-dimensional crystal structure, and nanoparticles having a radiation shielding property which are disposed between crystal layers of the conductive structure.
US11382243B1 Display apparatuses
A display apparatus is provided. The display apparatus comprises an electronic display assembly, a heat exchanger, a fan, and a cleaning device. The heat exchanger comprises one or more internal heat dissipation pathways and one or more external heat dissipation pathways. The one or more internal heat dissipation pathways are thermally coupled to the electronic display assembly and the one or more internal heat dissipation pathways are thermally coupled to the one or more external heat dissipation pathways. The fan generates ambient air flow passing through the one or more external heat dissipation pathways. The cleaning device is connected to the one or more external heat dissipation pathways, and used for injecting a cleaning fluid into the one or more external heat dissipation pathways.
US11382238B2 Cooling device and projector
A cooler includes an evaporator and a condenser. The evaporator includes a housing, a wick, and a groove member having a plurality of vapor flow channels through which working fluid changed in phase from a liquid phase to a gas phase flows, the groove member being coupled to the wick. The housing includes a heat receiver to which the heat is transferred from a cooling target. The groove member includes a plurality of plate-like members, arranged side by side along a predetermined direction, and constituting the plurality of vapor flow channels. Each of the plate-like members includes a bent part formed by bending a part of the plate-like member, the bent part being coupled to the heat receiver.
US11382237B1 Chassis power supply reception
A computer chassis can include an airflow channel for permitting airflow specifically to cool one or more power supply units (PSUs) within respective power supply receiving space(s). The chassis can include a baffle device positioned between the power supply receiving space and the airflow channel for directing airflow through the PSU into the airflow channel. The airflow channel can be located between first and second spaces of the chassis, each containing computing components. The baffle device can include a cable passthrough that receives a cable that facilitates communication between component(s) in the first space and component(s) in the second space. The baffle device can include one or more ribs that stop the PSU from being fully inserted into the power supply receiving space when the PSU is inserted in an incorrect orientation, thus signaling to the user to remove the PSU and re-insert it in a correct orientation.
US11382227B2 Metrology device support system
A metrology device includes a housing, a lower support structure, a PCB coupled to the lower support structure, and a cover coupled to the lower support structure and the housing. The housing supports the cover in three coordinate directions. The lower support structure includes a first pillar that supports the PCB and mechanically couples with the cover. The first pillar causes the PCB to stand off from the lower support structure and causes the cover to stand off from the PCB. The metrology device also includes a second pillar that extends from the lower support structure to a base to cause the lower support structure to stand off from the base. The cover has a non-circle shape, and a cross section of the housing at a same elevation of the housing as an elevation of the cover within the housing is a circle.
US11382225B2 Power adapter enclosures
A power adapter unit may include, in an example, a first piece comprising an enclosure to place a power adapter therein; a second piece to contain the power adapter within the power adapter unit; and a cable wrapping surface formed by the second piece being coupled to the first piece.
US11382222B2 LED display panel
An LED display panel includes main frame made of a lightweight material, a supporting component and a control box. The main frame includes a first end surface for mounting a display screen and a second end surface opposing the first end surface. The supporting component includes a supporting tube and a plurality of supporting members. Fixing parts are arranged on peripheral edges of the second end surface, and the plurality of supporting members are correspondingly mounted on the fixing parts. A tube fixing part is arranged on an end of the supporting member far away from the second end surface, and the supporting tube is fixed on the tube fixing part. A power supply, a control system and a signal transmission system are arranged in the control box, and the control system and the signal transmission system are electrically connected to the power supply.
US11382221B2 Information display device
An information display device includes an information display part which displays information on a screen, a battery for supplying power to the information display part, a device housing having a plurality of sides surrounding the screen, wherein the information display part being attached to the device housing, wherein the device housing includes a battery insertion portion, in which the battery is attached and detached in a direction along the screen at one side of the plurality of sides.
US11382215B2 Electronic element mounting substrate and electronic device
An electronic element mounting substrate includes a first substrate that has a first main surface, has a rectangular shape, and has a mounting portion for an electronic element on the first main surface, and a second substrate that is located on a second main surface opposite to the first main surface, is made of a carbon material, has a rectangular shape, has a third main surface facing the second main surface and a fourth main surface opposite to the third main surface, in which the third main surface or the fourth main surface has heat conduction in a longitudinal direction greater than heat conduction in a direction perpendicular to the longitudinal direction, and that has a recessed portion on the fourth main surface.
US11382214B2 Electronic package, assemble substrate, and method for fabricating the assemble substrate
A method for fabricating an assemble substrate is provided, including stacking a circuit portion on a plurality of circuit members. The circuit members are spaced apart from one another in a current packaging process to increase a layer area. The assemble substrate thus fabricated meets the requirements for a packaging substrate of a large size, and has a high yield and low fabrication cost.
US11382212B2 Input device with reinforcement plate and wider grounding wire
An input device includes a support base, a sensor unit including electrode portions, an extended portion extending outward from the support base, a lead-out wire in conduction with the electrode portions, a grounding wire adjacent to the lead-out wire, the lead-out wire and the grounding wire being along a first major surface of the extended portion, and a reinforcement plate on a part of a second major surface opposite to the first major surface and on the side of the support base from the tip. When viewed from a normal direction of the second major surface, the grounding wire is greater than the lead-out wire, an end-portion projection line formed by a support-base-side end portion of the reinforcement plate is nonlinear, and a most-protruding location in the end-portion projection line closest to the support base overlaps the grounding wire.
US11382211B2 Flexible printed circuit board and battery module
A flexible printed circuit board includes: a trunk portion; and a pair of branch portions as two portions branched from the trunk portion and arranged on a battery including multiple arrayed cells, in which for at least one branch portion of the pair of branch portions, bending is performed using a pair of parallel bending lines extending apart from the other branch portion as extending apart from the trunk portion, and the at least one branch portion is bent such that a direction of bending at one bending line of the pair of parallel bending lines and a direction of bending at the other bending line are directions opposite to each other.
US11382209B2 Method for manufacturing printed circuit board, printed circuit board, and electronic device
A printed circuit board includes an electronic component including a first base and a plurality of first lands, the first base including a first main surface, the plurality of first lands being disposed around a first portion of the first main surface and spaced from each other, a printed wiring board including a second base and a plurality of second lands, the second base including a second main surface, the plurality of second lands being disposed around a second portion of the second main surface and spaced from each other, bonding portions configured to bond the first lands and the second lands, a resin portion configured to cover the bonding portions and including cured thermosetting resin, and a member having a property to repel uncured thermosetting resin and disposed on one of the first portion and the second portion.
US11382205B2 Heatsink shield with thermal-contact dimples for thermal-energy distribution in a radar assembly
A heatsink shield with thermal-contact dimples can improve thermal-energy distribution in a radar assembly. The radar assembly includes a printed circuit board (PCB), the heatsink shield, a radome, and a housing. The PCB can include integrated circuits and other components, along with a thermally-conductive material that covers at least a portion of the PCB surfaces. The heatsink shield includes multiple dimples that thermally contact the thermally-conductive material. The heatsink shield is configured to distribute thermal energy produced at least in part by the PCB components to the housing. In this way, the described techniques and systems permit the radar assembly to better distribute thermal energy away from the PCB components to the rest of the PCB and through the housing.
US11382204B2 Multiple location load control system
A multiple location dimming system may include a smart dimmer (e.g., a main load control device) and one or more remote dimmers (e.g., accessory devices) for controlling the amount of power delivered to a lighting load. The multiple location dimming system may be installed in place of a multiple location switch system (e.g., having three, four, or more multi-way switches), and may not require a neutral connection at any of the control devices of the multiple location dimming system. The main load control device and the accessory devices of the multiple location dimming system may be configured to display a present intensity level of a lighting load on one or more visual indicators. The accessory devices may have the same or different user interfaces as the main load control device, and may provide additional functionality over that which the main load control device offers.
US11382202B2 Method and apparatus for controlling a lighting fixture based on motion detection and related lighting fixture
A method of controlling a lighting fixture based on motion detection includes: receiving a plurality of captured image frames; obtaining a plurality of resampled image frames by resampling the captured image frames according to regional characteristics of the resampled image frames; dynamically adjusting a sensitivity for motion detection according to the regional characteristics of the resampled image frames; performing motion detection on the resampled image frames according to the sensitivity; and controlling the lighting fixture according to a result of the motion detection.
US11382200B2 Load control device for controlling a driver for a lighting load
A load control device is configured to generate a control signal having a desired magnitude for controlling a load regulation device adapted to control the power delivered to an electrical load. The load control device may comprise a control terminal arranged to provide the control signal to the load regulation device, a communication circuit for generating the control signal, and a control circuit configured to generate an output signal that is provided to the communication circuit. The communication circuit may be characterized by non-linear operation. The control circuit may adjust the magnitude of the output signal in response to the difference between the magnitude of the control signal and the desired magnitude to adjust the magnitude of the control signal towards the desired magnitude. The control circuit may also be configured to determine if an incompatible load regulation device is coupled to the load control device.
US11382199B2 Wireless control apparatus and method for haptic device
A control apparatus and method for controlling a haptic device are disclosed. The control apparatus can comprise: a haptic pattern data generation unit for generating first haptic pattern data corresponding to a bit pattern of content; a wireless data generation unit for generating wireless data including the first haptic pattern data and identification data of at least one target haptic device by which the first haptic pattern data is to be received; and a wireless data transmission unit for transmitting the generated wireless data through an antenna.
US11382198B2 Circuit for providing power to two or more strings of LEDs
This disclosure includes systems, methods, and techniques for controlling delivery of power to one or more strings of light-emitting diodes (LEDs). For example, a circuit includes a power converter configured to generate an electrical current, a switching device, and a sensor. The sensor is configured to compare a magnitude of the electrical current to a threshold, and in response to the magnitude exceeding the threshold, cause the switching device to turn on in order to sink a portion of the electrical current to prevent the magnitude of the electrical current from exceeding the threshold. When the switching device is turned on, the electrical current is divided into an undesired electrical current that flows across the switching device and a desired electrical current that flows to the string of LEDs.
US11382195B2 Lighting system with integrated sensor
Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.
US11382193B1 Systems and methods related to photovoltaic direct drive lighting systems
A light fixture and a lighting system including the light fixture is disclosed. The light fixture can include a first light emitting diode (LED) on a printed circuit board (PCB) sized and configured to receive direct current power directly from a photovoltaic (PV) panel and sized to accommodate a maximum voltage output from the PV panel. The lighting system can include the PV panel and the light fixture with the first light emitting diode (LED) on the PCB.
US11382190B2 Defrosting apparatus and methods of operation thereof
A defrosting system includes an RF signal source, two electrodes proximate to a cavity within which a load to be defrosted is positioned, a transmission path between the RF signal source and the electrodes, and an impedance matching network electrically coupled along the transmission path between the output of the RF signal source and the electrodes. The system also includes power detection circuitry coupled to the transmission path and configured to detect reflected signal power along the transmission path. A system controller is configured to modify, based on the reflected signal power, a value of a variable passive component of the impedance matching network to reduce the reflected signal power. The impedance matching network may be a single-ended network or a double-ended network.
US11382189B2 Method of diagnosing an electromagnetic cooking device
A method for diagnosing an electromagnetic cooking device includes selecting a frequency from a set of frequencies in a bandwidth of radio frequency electromagnetic waves; setting a subset of a set of radio frequency feeds to output a radio frequency signal of the selected frequency; measuring a forward power level for the subset of the set of radio frequency feeds that is outputting the radio frequency signal; measuring a forward and backward power level for the set of radio frequency feeds; and processing the measurements of the forward and backward power levels to determine an operating condition of the electromagnetic cooking device based on the processing of the measurements of the forward and backward power levels.
US11382188B2 Systems and methods for use and measurement of non-thermal effects of microwave radiation
Microwave systems and new applications of microwave in medical, chemical and materials manufacturing and processing, food and health industries as well as in analytical chemistry instrumentation for in situ study of microwave effects are provided. In the case of medical applications, the microwave based damage is conducted in a way to diminish ablating or damaging the collateral tissue and to increase the probability of procedure achievement.
US11382185B2 Heating element for sensor array
In the various illustrative embodiments herein, test devices are described with opposing sensor arrays, same side contacts, and an integrated heating element.
US11382181B2 Method to create carbon nanotube heaters with varying resistance
A method for creating a carbon nanotube heater assembly includes creating a carbon nanotube heater with varying resistances and attaching the carbon nanotube heater to both carrier and encapsulating materials. Creating the carbon nanotube heater with varying resistances is accomplished by applying a carbon nanotube mixture to a substrate, adjusting the thickness or width of the carbon nanotube mixture, and drying the nanotube mixture.
US11382178B2 System and method for heating an electrical bus in an electrical cabinet for cold startup and condensation/frost control
A method for heating an electrical bus in an electrical cabinet containing at least one current conversion device includes determining a temperature inside of the electrical cabinet. The method also includes determining a temperature outside of the electrical cabinet. Further, the method includes applying heat to the electrical bus via conduction when the temperature outside of the electrical cabinet is below a predetermined temperature threshold or a difference between the temperature inside of the electrical cabinet and the temperature outside of the electrical cabinet is less than a desired temperature difference.
US11382176B2 Public safety analytics gateway
A public safety analytics gateway includes a front-end processor configured to communicate with a network gateway and a public safety enterprise server and a data collector in communication with the front end processor, wherein the front end processor is configured to receive public safety data from the public service enterprise server and forward the public safety data to both the network gateway and the data collector. A method includes setting key performance indicator thresholds for use of a network by public safety-first responder devices, determining a baseline network usage profile, monitoring the key performance indicators in view of the baseline network usage profile, and prioritizing network resource allocations for the first responder devices over network resource allocations for non-first responder based on the monitoring step.
US11382175B2 Method for providing a breakout PDU session for local IP access
A method may be provided to operate a core network entity of a wireless communication network. A session establishment request may be received from a wireless terminal through a base station node. Responsive to receiving the session establishment request, the core network entity may determine that a breakout protocol data unit session is to be established for the wireless terminal. Responsive to determining that the breakout PDU session is to be established for the wireless terminal, a request may be transmitted to the base station node, and the request may include an indication that the breakout PDU session is to be established for the wireless terminal. Related methods may be provided for base station nodes, wireless terminals, and central controllers.
US11382164B2 Method and apparatus for terminals registered via multiple access networks
The apparatus includes a processor configured to send, over a 3rd Generation Partnership project (3GPP) access, a notifying message regarding non-3GPP access to a user equipment, the user equipment being simultaneously registered to the communication network via the 3GPP access and via the non-3GPP access, the user equipment being in a connection management-idle state over the non-3GPP access. The method includes sending over a 3rd Generation Partnership project (3GPP) access a notifying message regarding non-3GPP access to a user equipment, the user equipment being simultaneously registered to a communication network via the 3GPP access and via the non-3GPP access, the user equipment being in a connection management-idle state over the non-3GPP access.
US11382163B2 Instantiating intelligent service delivery parameters within protected hardware
In one example, the present disclosure describes a device, computer-readable medium, and method for instantiating intelligent service delivery parameters within protected hardware. For instance, in one example, a method includes instantiating within a user endpoint device an end-to-end slice of a communications network, wherein the slice is configured to carry data over the communications network subject to a predefined combination of network service metrics, transmitting user data from the user endpoint device to the communications network via the slice when the user endpoint device is able to establish a radio connection to the communications network, and storing the user data locally in the user endpoint device when the user endpoint device is unable to establish a radio connection to the communications network.
US11382159B2 Temporary emergency access to arbitrary network for medical implanted device
An emergency token for one-time, highly restricted, access to an arbitrary WiFi network, while maintaining full network security and integrity, is disclosed. When an IoT medical device (IMD) detects failure in the IMD, or detects the patient having a medical emergency, IMD detects local active WiFi networks, and attempts connecting to a monitoring center through one of the networks. If the network is password protected, the connection may fail. The IMD retries the connection request using factory-installed one-time use token that is only for emergency calls only. If successful, the IMD sends an emergency message to the monitoring center, which dispatches emergency responder to the location of the IMD. Monitoring center invalidates the token with the central on-line token registrar when both the IMD and the monitoring center acknowledges that the notification is successful. A person having the proper security authorization can install a new one-time use token.
US11382156B2 Method and apparatus for performing user equipment capability procedure for supporting vehicle communication in next generation mobile communication system
The 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 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. A method of performing user equipment capability procedure for supporting vehicle communication in a next generation mobile communication system is provided.
US11382155B2 System and method for out-of-band pairing of sterile device with non-sterile device
System and methods for out-of-band pairing sterile medical device with non-sterile devices without compromising sterility thereof. A system includes a sterile medical device; a non-sterile computing device; at least one near field communication (NFC) tag; and a sterile packaging enclosing the sterile medical device. In one example, a sterile percutaneous needle guidance device needs to pair and communicate with a non-sterile computer. The sterile device has an NFC tag embedded in the sterile device and an NFC tag embedded in the sterile packaging. The two NFC tags include identification information duplicate of each other. Before opening the sterile packaging either NFC tag can be scanned with the non-sterile device to initiate wireless pairing. If the sterile package is opened before pairing, the NFC tag contained in the packaging can be brought out of the sterile field and scanned with the non-sterile computer thus preserving the sterility of the sterile device.
US11382151B2 Truncated identification indicators
Methods, systems, and devices for wireless communications are described that provide for truncated identification indicators. A user equipment (UE) may receive control signaling indicating a truncating configuration for an identification indicator. The truncating configuration may indicate a set of bits within an initial identification indicator to remove to generate a truncated identification indicator. The UE may remove the indicated set of bits and transmit the truncated identification indicator to a base station. The base station may receive the truncated identification indicator and reconstruct the initial identification indicator according to the truncating configuration. The base station may reconstruct the initial identification indicator by adding the set of bits (e.g., removed by the UE to generate the truncated identification indicator) to the truncated identification indicator.
US11382148B2 Lane aware clusters for vehicle to vehicle communication
System and methods are provided for generating lane aware clusters for vehicle to vehicle communications. A vehicle uses lane level map matching to obtain a current travelling lane. Vehicles that are within a proximity radius exchange data such as location, lane, speed, direction. Sub clusters are creating with vehicles driving on the same lane based on proximity distance. The sub clusters are merged into one cluster based on sub cluster similarity in terms of spatial proximity, average speed, and direction.
US11382146B2 Bearer control method and system
Embodiments provide a bearer control method and system. The bearer control method includes: establishing a PDN connection when a UE accesses a network; and identifying and transmitting a service data flow of the UE on an air interface bearer between the UE and an access network access node according to obtained QoS information, and transmitting the service data flow by using a transmission tunnel between the access network access node and a core network gateway, or directly sending the service data flow to a packet data network by using the access network access node.
US11382145B2 Systems and methods to support group communications
A plurality of methods for unicast and group communication delivery of Downlink (DL) group communication data to a plurality of User Equipment's (UEs) are used by embodiments of this invention. These methods include two architectures wherein both architectures include a first AMF, AMF-1, which has an N1 connection to UE and both AMF-1 and a second AMF, the network control function, have an N2 connection to the RAN. In the first architecture, AMF-1 supports unicast data delivery and a second AMF, the network control function, supports GC data delivery. AMF-1 and the network control function have no direct connection between each other in the first architecture. In the second architecture, AMF-1 supports unicast data delivery and the network control function supports group communication data delivery. In the second architecture, the network control function and AMF-1 are connected by an interface.
US11382144B2 Method for transmitting and receiving physical random access channel and apparatus therefor
Disclosed herein is a method for transmitting a physical random access channel (PRACH) by a user equipment in a wireless communication system. In particular, the method includes receiving information about PRACH resource allocation, and transmitting, based on the information, the PRACH on any one of one or more PRACH occasions allocated in a PRACH slot, wherein a number of the one or more PRACH occasions is based on a preamble format and a starting Orthogonal Frequency Division Multiplexing (OFDM) symbol for the PRACH.
US11382141B2 Method for performing actions based on integrity check by user and user equipment performing actions based on integrity check
The present invention provides a method performed by user equipment, a method performed by a base station, user equipment, and a base station. The method performed by user equipment includes: transmitting to a base station a Radio Resource Control (RRC) connection resume request; receiving an RRC response message transmitted by the base station and used as a response to the RRC connection resume request; in the case where the UE has transmitted the RRC connection resume request on the basis of Early Data Transmission (EDT), performing first security processing on the RRC response message; and in the case where the UE has not transmitted the RRC connection resume request on the basis of the EDT, performing second security processing on the RRC response message.
US11382138B2 Random access in communication system
Embodiments of the present disclosure relate to random access in a communication system. A first device receives a criterion to select a random access type for performing random access to a second device. The first device further determines whether the first device is allocated a contention-free random access resource for a certain random access type, and then performs the random access to the second device based on the determination and conditionally based on the criterion. As such, in the case where contention-free random access resource has been allocated for a certain random access type, the device can conditionally apply the criterion for selection of the random access type and can thus perform random access with improved efficiency.
US11382135B2 Configuring different types of random resources
A method includes: configuring, by a base station, at least two types of random access resources, where the at least two types of random access resources include a first-type random access resource and a second-type random access resource; and different types of random access resources are in a one-to-one correspondence with different sending beam forms of a terminal; or the first-type random access resource is associated with resources of different downlink signals, and the second-type random access resource is not associated with the resources of the different downlink signals.
US11382127B2 Time domain resource allocation (TDRA) for multi-transmission time interval (TTI) grants
Certain aspects of the present disclosure provide techniques for time-domain resource allocation (TDRA) for multi-transmission time interval (TTI) grants.
US11382126B2 Transmission configuration indicator determination for mixed mode operation
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a transmission type for a physical downlink shared channel, wherein the transmission type is a multicast transmission type or a unicast transmission type. The UE may determine, based at least in part on the transmission type for the physical downlink shared channel, a transmission configuration indicator state, of a plurality of possible transmission configuration indicator states, that corresponds to a quasi-co-location assumption, of a plurality of possible quasi-co-location assumptions, for the physical downlink shared channel. The UE may decode the physical downlink shared channel based at least in part on the transmission configuration indicator state. Numerous other aspects are provided.
US11382123B2 Method and apparatus for transmitting downlink control information
A method and apparatus for transmitting downlink control information. In the present invention, transmitted downlink control information at least comprises one or more of the following information fields: a first information field used for indicating the frequency domain resources occupied by the data resources scheduled by the DCI, a second information field used for indicating the time frequency resources occupied by the data resources scheduled by the DCI, and a third information field used for indicating the scheduled N users. As the resource size occupied by the transmission resources in the frequency domain and/or in the time domain is indicated by means of the downlink control information, transmission of downlink control information can be implemented in flexible resource allocation scenarios having variable transmission time intervals.
US11382122B2 Broadcast signaling optimization for machine type communication
Methods and apparatus, including computer program products, are provided for allowing cell access. In one aspect there is provided a method, which may include determining, by a user equipment whether a cell allows a communication type, wherein the determining is based on at least one of a scheduling information included in a first type of broadcast message received by the user equipment or a receipt of a second type of broadcast message by the user equipment; and initiating, by the user equipment based on at least the determining, a connection to cell, when at least one of the scheduling information or the second type of broadcast message indicates the communication type is allowed in the cell. Related systems, articles of manufacture, and the like are also disclosed.
US11382121B2 Reliable control signaling
Systems, methods, and instrumentalities are disclosed for reliable control signaling, for example, in New Radio (NR). A receiver in a wireless transmit/receive unit (WTRU) may receive one or more physical downlink control channel (PDCCH) transmissions comprising downlink control information (DCI). The WTRU may determine a transmission profile associated with an uplink control information (UCI). Based on the transmission profile, the WTRU may determine one or more transmission characteristics associated with the transmission of the UCI. The WTRU may transmit the UCI over a physical uplink control channel (PUCCH). The UCI may be transmitted using transmission characteristics determined by the WTRU. The WTRU may transmit the UCI based on at least one of a control resource set (CORESET), a search space, or a radio network temporary identifier (RNTI). The WTRU may determine a transmission profile differently based on what the UCI may comprise.
US11382119B2 Downlink scheduling of terminal devices
There is provided mechanisms for downlink scheduling of terminal devices. A method is performed by a network node. The method comprises obtaining user-specific throughput and user-specific channel conditions per scheduling opportunity for each of the terminal devices to be scheduled. The method comprises scheduling, in each scheduling opportunity, the terminal devices according to an order. The order is determined by individually weighting the user-specific throughput and individually weighting the user-specific channel conditions for each terminal device to be scheduled.
US11382117B2 Determining uplink grants for multiple modes
Apparatuses, methods, and systems are disclosed for determining uplink grants for multiple modes. One method (600) includes determining (602), over a first time period, a first mode uplink grant corresponding to a first mode. Determining the first mode uplink grant comprises receiving the first mode uplink grant. The method (600) includes determining (604) autonomously, over a second time period, a second mode uplink grant corresponding to a second mode. The second mode is different from the first mode. The method (600) includes using (606) the first mode uplink grant and the second mode uplink grant to transmit data based on an uplink grant availability corresponding to the first mode uplink grant and the second mode uplink grant.
US11382116B2 Configuring a starting offset for a configured grant uplink communication
Various aspects of the present disclosure generally relate to wireless communication in a shared spectrum. In some aspects, a user equipment may receive an indication of a set of starting offsets for an uplink communication, wherein the set of starting offsets includes at least one negative starting offset relative to a start of a slot or a mini-slot in which the uplink communication is configured to start; select a starting offset from the set of starting offsets; and transmit the uplink communication, wherein the uplink communication starts at a time indicated by the selected starting offset. Numerous other aspects are provided.
US11382115B2 Method and device for transmitting of uplink signal by a user equipment in a wireless communication system supporting an unlicensed band
Disclosed herein are a method and device for transmitting an uplink signal by a user equipment (UE) in a wireless communication system supporting an unlicensed band.
US11382113B2 Systems and methods for uplink data scheduling in wireless communication systems
In wireless communication, uplink communication by a wireless communication system user equipment may include providing data packets by a data source in the user equipment, detecting a pattern relating to uplink transmission of the plurality of data packets, and scheduling transmission of the plurality of data packets by the user equipment. One or more aspects of scheduling transmission of the plurality of data packets may be based on the detected pattern.
US11382111B2 Method for reporting aperiodic channel state information in wireless communication system and apparatus therefor
The present specification provides a method for reporting aperiodic channel state information (ACSI) in a wireless communication system. More specifically, the method, which is performed by a terminal, comprises the steps of: receiving, from a base station, downlink control information (DCI) including a reporting trigger for each of first ACSI and second ACSI and a reporting timing for each of the first ACSI and the second ACSI; and transmitting low-priority ACSI, which is determined among the first ACSI and the second ACSI on the basis of a predetermined rule, to the base station at a reporting time point determined on the basis of a delayed reporting timing.
US11382102B2 Data transmission method and apparatus
This application provides a data transmission method and apparatus, to improve data transmission reliability. The method includes: receiving, by a first terminal device, first indication information sent by a network device, where the first indication information is used to indicate a first preset condition, and the first preset condition is used to determine a resource used for sending data; determining, by the first terminal device from a first resource set according to the first indication information, a first resource that meets the first preset condition; and sending, by the first terminal device, first data by using the first resource.
US11382101B1 Bandwidth indication, negotiation and TXOP protection with multiple channel segments
A communication device generates a first packet to include a first indication of one or more first frequency subchannels in a first frequency segment that will be utilized to transmit the first packet. The communication device also generates a second packet to include a second indication of one or more second frequency subchannels in a second frequency segment that will be utilized to transmit the second packet. The communication device simultaneously transmits the first packet via the first frequency segment and the second packet via the second frequency segment.
US11382099B2 Method of allocating time slots for wireless headset, and wireless headset using the same
Disclosed is a method of allocating time slots for a wireless headset in a communication period, the wireless headset comprising a first earpiece and a second earpiece that are independent from each other, wherein the method comprises: sending, by the first earpiece, a request message to a mobile device in a first time slot of the communication period; sending, by the mobile device, audio data to the first earpiece and the second earpiece in a plurality of time slots subsequent to the first time slot based on the request message; sending, by the first earpiece, a first control message to the second earpiece in a second time slot after the plurality of time slots; and sending, by the second earpiece, a second control message to the first earpiece in a third time slot subsequent to the second time slot based on the first control message.
US11382098B2 Sidelink timing control
Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may communicate with other UEs via sidelinks during sidelink communication resources assigned by a base station. However, due to the propagation delay of signals in a wireless communications system, a first UE may receive a sidelink transmission from a second UE in resources delayed with respect to the resources used for transmission. If the delay results in a scheduling conflict (e.g., overlapping resources for reception), the first UE may transmit a timing request to resolve the conflict. In a first example, the base station may receive the request and configure a timing gap based on the request. In a second example, the timing request may indicate to the second UE a sidelink transmission timing adjustment for communicating with the first UE, and the second UE may determine whether to implement this timing adjustment.
US11382097B2 Electronic device and wireless communication method in wireless communication system
The disclosure relates to an electronic device and a wireless communication method in a wireless communication system. According to the disclosure, the electronic device comprises one or more processing circuits. The processing circuit is configured to execute the following operation: configure timing mapping information between a downlink subframe carrying uplink scheduling grant signaling and an uplink subframe carrying uplink transmission, comprising physical uplink shared channel PUSCH transmission, scheduled by the uplink scheduling grant signaling, and performed on an unlicensed channel by user equipment in the wireless communication system. By means of the electronic device and the wireless communication method in the disclosure, a timing mapping relationship between a downlink subframe carrying uplink scheduling grant signaling and an uplink subframe carrying uplink transmission comprising PUSCH transmission can be determined, thereby realizing effective utilization of an unlicensed channel.
US11382096B2 Method and device for signal transmission based on a relationship between a first signal and a second signal
Disclosed are a method and a device for signal transmission. The method includes: determining a transmission mode of a first signal according to at least one of the following: relationship information between a first spatial filtering parameter and a second spatial filtering parameter; a third reference signal associated with the second signal; relationship information between a first reference signal and a second reference signal; relationship information between DCIs corresponding to the first and the second signals; whether a time interval between the first and second signals being greater than predetermined threshold; information type of information in the first signal; time delay information required for switching the spatial filtering parameters; a configuration information indicating whether the first signal and the second signal share one spatial filtering parameter; and sending or receiving the first signal using the determined transmission mode.
US11382095B2 Communication method, access network device, and system
A first access network device sends indication information to a second access network device within a first time segment of a first subframe. The first subframe includes a second time segment and the first time segment, the second time segment is used by the first access network device to communicate with a first terminal device, the indication information includes first information, and the first information indicates a communication type of the first access network device within a first target time segment of a second subframe. The first access network device further communicates with a second terminal device or the first terminal device based on a communication type indicated by the first information within the first target time segment. The second access network device can detect a signal interference status in time, and the second access network device can use an interference coordination technology in time.
US11382094B2 Optimized self-contained transmission in NR-SS
Optimized self-contained transmissions in new radio (NR) shared spectrum (NR-SS) networks are disclosed. In various aspect, during a transmission opportunity, the transmission configurations last slot of the transmission opportunity may be adjusted to provide a user equipment (UE) additional resource for processing and transmitting acknowledgement signaling. The transmission configurations adjusted may include sub-carrier spacing (SCS), uplink control channel formatting, and the like. Additional aspect provide for acknowledgement signaling from a first transmission opportunity to be requested and transmitted during the channel reservation signaling for the next transmission opportunity.
US11382090B2 Method and device for transmitting or receiving PDCCH in wireless communication system
The present disclosure relates to a communication technique for converging a 5G communication system for supporting a higher data transfer rate beyond a 4G system with an IoT technology, and a system therefor. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security and safety-related services, etc.) on the basis of a 5G communication technology and an IoT-related technology. The present invention relates to a method for monitoring a control area by a terminal.
US11382089B2 Information transmission method and device, storage medium and electronic device
The embodiments of the present disclosure provide an information transmission method and device, a storage medium and an electronic device. The method includes that: a Physical Downlink Control Channel (PDCCH) transmitted by a base station is received; and Channel State Information (CSI) is transmitted to the base station according to the PDCCH.
US11382086B2 Method of transmitting downlink control channel, method and device of detecting and receiving downlink control channel
A method and device of transmitting a downlink control channel, a method and device of detecting and receiving a downlink control channel are provided. The method includes: determining a blind detection period parameter of the downlink control channel; and transmitting the downlink control channel based the blind detection period parameter of the downlink control channel.
US11382081B2 Method and apparatus for system information acquisition in wireless communication system
The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). Next generation of wireless cellular operation is expected to be deployed in higher frequency above 6 GHz (eg. 10 GHz˜100 GHz, also called mmWave and/or cmWave) due to availability of large amount of spectrum bandwidths. The physical layer of wireless cellular system in both DL and UL operating in mmWave/cmWave would be based on new air-interface different from that of LTE-A air-interface because the radio characteristics is different for mmWave/cmWave bands. The wireless system deployed in mmWave/cmWave system is expected to employ DL beam sweeping on broadcast control information to provide cell coverage to the UE which would result in excessive signaling overhead.
US11382079B2 Method for determining uplink control information and communications device
A method for determining uplink control information and a communications device are disclosed in implementation of this application. The method includes: obtaining, by a communications device, a target parameter set, where the target parameter set includes at least one first parameter value and at least one second parameter value, the at least one first parameter value is used for transmitting a first kind of data, and the at least one second parameter value is not used for transmitting the first kind of data; and determining, by the communications device according to the at least one first parameter value, a quantity of bits for transmission of feedback information associated with the first kind of data.
US11382076B2 Physical uplink control channel repetition in next generation wireless networks
Some of the present implementations provide a method for a user equipment (UE) for performing a physical uplink control channel (PUCCH) repetition. The method may include receiving, from a base station, a physical downlink control channel (PDCCH) comprising downlink control information (DCI) in a control resource set (CORESET). The method then determines a spatial domain filter for a PUCCH transmission based on an index associated with the CORESET. After determining the spatial domain filter, the method may transmit, to the base station, a PUCCH in a slot using the spatial domain filter, and transmit, to the base station, a repeat of the PUCCH in one of the same slot, or a different slot, using the spatial domain filter.
US11382071B2 Management of preferred channel allocations between wireless communication bands
Various systems and methods for establishing, configuring, and operating multi-access edge computing (MEC) communications, such as in connection with management of preferred channel allocations between two or more vehicle-to-everything (V2X) Radio Access Technologies (RATs), are discussed herein. In embodiments, a resource allocation (for example, channel allocations) for vehicle user equipment (vUEs) is determined based on a number of vUEs supporting each of one or more V2X RATs detected in one or more coverage areas of one or more Road Side Units (RSUs). Other embodiments are described and/or claimed.
US11382069B2 Method for indicating relative position information of coreset of RMSI, method for obtaining coreset of RMSI, and UE
A method for indicating relative position information of a common control resource set (CORESET) of remaining minimum system information (RMSI) includes: determining indication information included in a physical broadcast channel (PBCH) of a synchronization signal block (SSB), the indication information including first indication information indicating a relative position between a CORESET of RMSI corresponding to the SSB and the SSB; and sending the SSB including the indication information and the CORESET of the RMSI to user equipment (UE).
US11382067B2 Wireless communication method for simultaneous data transmission and reception and wireless communication apparatus using same
The present invention relates to a wireless communication method for simultaneous transmit and receive of data and a wireless communication terminal using the same, and more particularly, to a wireless communication method and an apparatus thereof which can efficiently perform simultaneous data transmission and reception even in an overlapped BSS environment.To this end, provided are a wireless communication method of a terminal, including: performing a backoff procedure for transmitting data; transmitting a first RTS frame when a backoff counter of the backoff procedure is expired; setting a transmission timer for waiting for transmitting the data when a second RTS frame is received in response to the transmitted first RTS frame; and waiting for transmitting the data based on the set transmission timer and a wireless communication terminal using the same.
US11382065B2 Controlling user equipment carrier aggregation configuration with enhanced multimedia broadcast multicast services
Provided is a method operating a wireless device in a wireless communication network. The method includes determining a carrier aggregation (CA) configuration for the wireless device to receive eMBMS data on multiple carriers of a dedicated mode type and/or a mixed mode type. The CA configuration is determined based at least partially on at least one of a pre-defined rule that delimits one or more acceptable characteristics for at least a portion of the multiple carriers, a capability of the wireless device that relates to receiving and decoding eMBMS data on multiple carriers, and a pre-defined set of acceptable CA configurations. The method includes configuring the determined CA configuration in the wireless device and performing one or more operational tasks under the configured CA configuration.
US11382064B2 Method and device for determining paging time, and computer storage medium
A method for determining paging time, which includes that: a user equipment (UE) determines a paging time unit corresponding to the UE according to an identifier of the UE, configuration parameters of paging time units, and preset rules, where the paging time units comprise a paging time unit of a first type and a paging time unit of a second type, and paging time units of different types correspond to different preset rules. A UE and a network device are also provided.
US11382061B2 Method and apparatus for performing paging in mobile communication system
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 method and apparatus for configuring a paging area while centering a terminal thereon and updating the same in a network supporting a light connection. According to the present disclosure, a terminal in a communication system may: receive an RRC connection release message including paging area (PA)-related information from a first base station and receive system information from a second base station; and check whether a PA has been changed, on the basis of the PA-related information and PA-related information included in the system information, and transmit an RRC connection resume request message to the second base station when the PA has been changed.
US11382059B2 Method and device for sending positioning signal
A method for sending a positioning signal includes determining, by a first device, a first target access network useable to transmit the positioning signal. The first target access network includes at least a first access network or a second access network. The method further includes sending, by the first device, the positioning signal to a second device by the first target access network.
US11382056B2 Location-based resource scheduling
The present disclosure describes techniques and systems for location-based resource scheduling, to reduce or eliminate receiving transmissions, by the base station, over one or more communication resources allocated for another communication. In some aspects, a user device (102) establishes a wireless connection (106) with a base station (104). The user device (102) receives, from the base station (104), a propagation delay message (304). The propagation delay message (304) schedules a delay for a transmission of the user device (102). The delay is based on a location of the user device (1020) being outside of a standard distance (614) from the base station (104). The user device (102) then transmits, to the base station (104), the transmission according to the propagation delay message (304).
US11382055B2 Paging synchronization method and apparatus
The present disclosure provides a paging synchronization method, applied to a base station, and including: when it is determined that transmission of a synchronous signal block (SSB) for synchronization of a terminal is disabled, configuring a reference signal for paging synchronization for a paging occasion (PO) to be transmitted to the terminal; and transmitting the reference signal to the terminal, to enable the terminal to perform paging synchronization based on the reference signal. Therefore, the present disclosure can ensure that the terminal has a higher paging reception performance, and improve the paging synchronization efficiency.
US11382051B2 User terminal and radio communication method
The present invention is directed to suppress deterioration of communication throughput and so on even when a group common TPC command is used. In accordance with one aspect of the present disclosure, a user terminal has a receiving section that receives downlink control information (DCI) regarding transmit power control (TPC) commands transmitted in a common search space and a control section that identifies a position of a TPC command corresponding to each of carriers included in the DCI based on information regarding positions of the TPC commands for the respective carriers in a cell.
US11382050B2 Methods and apparatus for user equipment to differentiate human grip from protective covers
Methods and apparatus for distinguishing between an antenna of a user equipment (UE) being blocked by a cover or by human tissue. The transmission power of uplink signals may be adjusted accordingly, with higher transmission power for open space (OS) or a cover and lower transmission power for tissue. One example method for wireless communications by a UE generally includes receiving a plurality of cross-polarization captures from multiple antenna arrays of the UE; detecting that the cross-polarization captures correspond to a first OS circle in an in-phase/quadrature (IQ) plane out of a set of possible OS circles for the UE; based on the detection, assigning the first OS circle as an active OS circle for the UE and deactivating other possible OS circles in the set; determining an environmental scenario corresponding to the active OS circle; and transmitting a signal using a transmission power based on the determined scenario.
US11382049B2 Method and apparatus for transmitting and receiving data in wireless communication system
Various embodiments of the present disclosure relate to a method for transmitting and receiving data in a wireless communication system. A method by which a terminal transmits a power headroom report (PHR) in a wireless communication system, according to one embodiment of the present disclosure, can comprise the steps of: receiving signaling information including at least one indicator indicating PHR reporting for at least one cell among cells for a dual connectivity operation; and transmitting at least one PHR for the at least one cell corresponding to the at least one indicator. The at least one cell can be a primary cell (Pcell) serving the terminal and/or a primary secondary cell (PScell) serving the terminal.
US11382042B2 Enhanced power savings through mobile initiated dormancy
Methods, systems, and devices are described for enhanced power savings in wireless devices through mobile initiated dormancy procedure. A user equipment (UE) may establish radio resource control (RRC) connectivity with a base station of the network, and transmit and receive one or more distinct signaling messages for dormancy state initialization and suspension at the UE. Dormancy state implementation at the UE may conserve available power resources at the UE during periods of inactive data transaction. The one or more signaling messages may contain a single or multi-bit indication for the receiving device, and may be transmitted via direct signaling on upper layer protocols of the data network or mapped to allocated resources of a data transmission. The signaling messages may sustain synchronization between the interpreted functional mode of the UE at the base station and the implemented mode at the UE.
US11382037B2 Telecommunications apparatus and methods implementing wake-up signaling with validity period
A method of operating a terminal device in a wireless telecommunications system comprising the terminal device and a plurality of network access nodes, wherein the method comprises: establishing first wake-up signalling configuration information for a first network access node covering a current location for the terminal device, wherein the first wake-up signalling configuration information comprises an indication of a first wake-up signalling format to be transmitted by the first network access node in advance of transmitting a paging message to indicate the terminal device should seek to decode the paging message, and an indication of an associated first wake-up signalling validity period for the first wake-up signalling format.
US11382036B2 Method and mobile transceiver for asset tracking
A method and mobile transceiver for asset tracking is provided. In one aspect, a method of operating a mobile transceiver comprising a processor, a memory, a satellite receiver, and at least one wireless transceiver is provided. The method comprises: searching, via a wireless transceiver, for wireless services for connection to a wireless network supported by the wireless transceiver; in response to a determination that more than one wireless service is available: determining whether the mobile transceiver is in a battery powered mode; in response to a determination that the mobile transceiver is in the battery powered mode, selecting a most power efficient wireless service from the more than one available wireless service in accordance with a basic power profile of the available wireless service stored in a memory of the mobile transceiver, wherein the basic power profile includes a power efficiency rating indicator of a wireless access technology of each of the available wireless services supported by the mobile transceiver; and in response to a determination that only one wireless service is available, selecting the available wireless service.
US11382032B2 Cell access method and apparatus
The present disclosure provides a cell access method and device. The method is applied to a base station and can include generating RRC information that is used for instructing a terminal to determine a speed state of the terminal and a cell type of a cell to be accessed. The method can further include sending the RRC information to the terminal, so that the terminal determines the speed state and the cell type according to the RRC information and initiates access to the cell to be accessed when determining that the speed state and the cell type meet a preset cell access condition.
US11382030B2 Enterprise-based network selection
In some examples, a user equipment may perform a method that includes identifying that a first wireless network operated by an enterprise is accessible to the user equipment as well as identifying that a second wireless network different from the first wireless network and also operated by the enterprise is accessible to the user equipment. The method performed by the user equipment may further include selecting the first wireless network to connect to instead of the second wireless network based on an enterprise employee characteristic associated with the user equipment.
US11382025B2 Object-resource model to facilitate IoT services
A network device can receive a request from an application server for availability information associated with a response period in which a user equipment is responsive to communications. The network device can send a status query related to the user equipment to a radio access network controller device that processes signals between the user equipment and a mobile network core device. The network device can receive the availability information from the radio access network controller device and transmit a notification message to the application server that indicates the response period.
US11382018B2 Wireless handovers based on device movement
Systems, devices, and techniques described herein are directed to improved wireless handovers based on device movement. User equipment (UE) can be wirelessly connected to a network via a serving cell, while handover operations allow the UE to transition a connection from the serving cell to a candidate cell to facilitate mobility and connection continuity. In some cases, the serving cell can be a wide area network and the candidate cell can be a small cell, whereby the small cell utilizes millimeter wavelength communications. In some cases, where a candidate cell can provide a higher quality connection compared to the serving cell, a handover decision can be based at least in part on motion data associated with the UE. For example, if a speed of the UE is above a threshold, the UE or network can be prevented from initiating a handover from the serving cell to the candidate cell.
US11382014B2 Interference mitigation in an air-to-ground wireless communication network
A network for providing air-to-ground (ATG) wireless communication in various cells may include a receiver station disposed on an aircraft in flight, a plurality of base stations, each base station defining a corresponding radiation pattern such that the base stations are spaced apart from each other to define at least partially overlapping coverage areas, and a control module in communication with at least one of the base stations. The control module may be configured to receive information indicative of an altitude of the aircraft and select a frequency for communication between the at least one of the base stations and the receiver station based on the altitude.
US11382013B2 Method for measurement report event operation and network signaling in UE autonomous handover
The present disclosure relates to a communication technique for fusing, with an IoT technology, a 5G communication system for supporting a higher data transfer rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retailing, security and safety-related services, etc. on the basis of 5G communication technologies and IoT-related technologies. Disclosed in the disclosure is a method for measurement report/event operation and network signaling in an UE autonomous handover.
US11382009B2 Synchronization block receiving method and apparatus, and system information transmission method and apparatus
A synchronization block receiving method includes: receiving system information of a first cell, wherein the system information includes indication information; determining, according to the indication information, whether the first cell and a second cell adjacent to the first cell belong to a synchronization system; and when the first cell and the second cell belong to the synchronization system, receiving a synchronization block of the second cell according to a time when a synchronization block of the first cell is received.
US11382008B2 Long term evolution-primary WiFi (LTE-PW)
A system and method of communication, comprising establishing a first connection between the user equipment and a first non-public packet switched network which assigns a first non-public packet switched network address to user equipment; establishing an open signaling channel which communicates between the user equipment and a remote server through a cellular telephone network according to a public switched telephone network address associated with an International mobile subscriber identity; communicating an identification of the first non-public network and the first non-public packet switched network address over the open signaling channel to the remote server; and establishing a real time voice communication from the remote server to the user equipment through the first connection based on a call routed through the remote server to the public switched telephone network address.
US11382007B2 UE selection of contention-free and contention-based random access for handover
This disclosure generally relates to systems, devices, apparatuses, products, and methods for wireless communication. A communication system may include a user equipment (UE) that receives a configuration for contention-free random access (CFRA) and a configuration for contention-based random access (CBRA). The UE determines a first random access resource. The first random access resource maps to one or more beams from a target base station. The UE determines a beam quality associated with the first random access resource. The UE initiates a random access request using the CFRA when the first random access resource is a contention-free resource, and the beam quality of the first random access resource is above a threshold beam quality. The UE initiates the random access request using the CBRA when the first random access resource is the contention-free resource, and the beam quality of the first random access resource is below the threshold beam quality.
US11382001B2 Wireless broadband communication method, device, and system, for establishing a user plane connection between a small cell and a user equipment
Embodiments of the present invention provide a wireless broadband communication method, device, and system. The method provided in an embodiment of the present invention includes: establishing, by a macro base station, a Radio Resource Control (RRC) connection with a user equipment (UE); receiving, by a small cell, a configuration message sent, through a wired or wireless interface, by the macro base station; and establishing, by the small cell, a user plane connection between the small cell and the UE based on the RRC connection and the configuration message, and establishing a data bearer with the UE on the user plane connection.
US11382000B2 Traffic distribution over aggregated radio links
A method for distributing packets of a data traffic over aggregated radio links connecting a node of a packet-switched wireless communication network to a further node of the packet-switched wireless communication network includes, at an indoor unit of the node, configuring at least one set of distribution rules indicating, for each of a first radio link and a second radio link of the aggregated radio links, an association between the radio link and a subset of values of a priority parameter carried within the packets. The method also includes, upon reception of a packet of the data traffic, distributing the packet over the first radio link or the second radio link on the basis of the priority parameter value carried within the packet and the associations.
US11381999B2 Multi-link aggregation link management
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for multi-link aggregation in wireless communications. In one aspect, an apparatus includes a multi-link operation device configured to generate and output for transmission a message indicating a mapping of each of a plurality of traffic identifiers (TIDs) to one or more parameters associated with each of a plurality of wireless links. In some aspects, another apparatus may obtain a message via at least one of a plurality of wireless links indicating a mapping of each of a plurality of TIDs to one or more parameters associated with each the plurality of wireless links, obtain a sequence of packets associated with at least one of the plurality of TIDs via one or more of the plurality of wireless links, and process the sequence of packets based on the mapping indicated via the message.
US11381997B2 Feedback for RAN-assisted rate adaptation
A base station receives a bitrate query from a first user equipment (UE) device being served by the base station. The bitrate query can be a request for a bitrate increase or decrease. The base station transmits a bitrate recommendation to the first UE device. The bitrate recommendation is to be used for a Voice over Long-Term Evolution (VoLTE) call between the first UE device and a second UE device. In some instances, the first UE device and the second UE device negotiate the bitrate to be used for the VoLTE call, based on the bitrate recommended by the base station. The first and second UE devices implement a bitrate for the VoLTE call and provide feedback to the base station.
US11381994B2 Method for delivering data packet, user equipment, and base station
The present disclosure provides a method performed in UE, comprising: receiving from a base station a QoS flow configuration contained in an RRC message, wherein the QoS flow configuration comprises a QoS flow identifier and at least one of the following identifiers: a PDU session identifier associated with a QoS flow indicated by the QoS flow identifier, a DRB identifier associated with the QoS flow indicated by the QoS flow identifier, an SDAP identifier associated with the QoS flow indicated by the QoS flow identifier, and an identifier of a default DRB associated with the QoS flow indicated by the QoS flow identifier; determining whether the QoS flow identifier is a part of a current UE configuration; and if the QoS flow identifier is not a part of the current UE configuration, adding, in art RRC layer, the QoS flow indicated by the QoS flow identifier, and indicating to an upper layer the addition of the QoS flow through the QoS flow identifier and the at least one associated identifier; if the QoS flow identifier is a part of the current UE configuration, modifying, in the RRC layer, the QoS flow indicated by the QoS flow identifier, and indicating to the upper layer the modification of the QoS flow through the QoS flow identifier and the at least one associated identifier that are received. The present disclosure further provides a corresponding method performed in a base station, as well as corresponding UE and a corresponding base station.
US11381989B2 Communication method and apparatus
A method includes: receiving, by a network device, k channel measurement values, k channel measurement resource identifiers, and k interference measurement resource identifiers that are sent by user equipment, where k is an integer greater than or equal to 1, each channel measurement value corresponds to one channel measurement resource identifier and one interference measurement resource identifier, and the channel measurement value is calculated based on the channel measurement resource identifier and the interference measurement resource identifier that correspond to the channel measurement value.
US11381987B1 Mobile communications base station site survey
Systems and methods can support surveying mobile wireless base stations. One or more radio frequency antennas can be positioned within an electromagnetic environment where user equipment devices are serviced by base stations. One or more radio frequency receivers can electrically couple signals from the radio frequency antennas. The signals can be scanned by the radio frequency receivers for synchronization with one or more of the base stations. Downlink channels from the identified base stations may be decoded. Performance metrics may be collected regarding the decoded downlink channels. Optimization parameters may be established to improve effective monitoring of the base stations under constraints associated with the radio frequency antennas and the radio frequency receivers. Optimization results associated with the performance metrics and the optimization parameters may be computed and leveraged to allocate the radio frequency antennas and the radio frequency receivers to monitor traffic associated with the base stations.
US11381986B2 Radio communication system, radio terminal, radio network, radio communication method and program
A wireless communication system comprises: a setting notifying means for notifying, to a radio terminal, setting information related to at least one of the radio terminal's collection of measurement information and the radio terminal's reporting of the measurement information to a radio network; a status notifying means for notifying, to the radio network, a status related to at least one of the radio terminal's collection of the measurement information and the radio terminal's reporting of the measurement information; and a re-establishing means for receiving the status and determining whether to re-establish the setting information.
US11381984B2 Device classification based on rank
Systems, methods, and related technologies for device classification are described. In certain aspects, one or more properties are selected based on associated respective ranks. The selected one or more properties are used with information associated with the device to determine a classification. The classification may then be stored.
US11381982B2 Managing moving wireless access points in wireless network positioning system
An example method includes obtaining a plurality of data items. Each data item includes an indication of a particular location, an indication that a wireless signal from a first access point was observed at that location, and an indication of a time at which the wireless signal from the first access point was observed at that location. The method also includes determining a locational stability of the first access point based on the data items. Determining the locational stability of the first access point includes clustering the plurality of data items into one or more clusters based on the locations indicated in the plurality of data items, determining whether the N most recent data items are associated with a common cluster, and determining whether a time span between the N most recent data items exceeds a threshold period of time.
US11381978B2 Method and device for allocating radio resources in a radio communication system
Method and device for allocating resources in a radio communication system providing resources for uplink transmission and/or for downlink transmission for a plurality of operators providing a service to a user equipment via the radio communication system, wherein the device includes a processor, memory and a transceiver, the processor being adapted to select a time division duplex configuration having an allocation of uplink transmission time and/or an allocation of downlink transmission time based on information regarding a sharing characteristic for the radio resources defined by a service level agreement between operators sharing the radio resources.
US11381977B2 System and method for decrypting communication exchanged on a wireless local area network
Systems and methods for obtaining authentication vectors issued, for use by a mobile communication terminal, by a Home Location Register (HLR) that serves a cellular communication network independently of any cooperation with the cellular network. Further to obtaining the authentication vectors, a terminal is caused to communicate over a WiFi WLAN using an encryption key derived from the obtained authentication vectors, e.g., per the EAP-SIM or EAP-AKA protocol. Since the encryption key is known, communication from the terminal is decrypted. The authentication vectors may be obtained by (i) an “impersonating” Visitor Location Register (VLR) server that does not serve the cellular network; (ii) an interrogation device which, by imitating a legitimate base station serving the cellular network, solicits the mobile communication terminal to associate with the interrogation device; or (iii) an SS7 probe, which obtains authentication vectors communicated from the HLR server to other entities on the SS7 network.
US11381976B2 Method of pairing wireless earpieces and system therefor
Disclosed is a pairing method and a pairing system for a wireless headset, the pairing method comprising: establishing, by an intermediate device, wireless communication connections respectively with a first wireless earpiece and a second wireless earpiece, and sending pairing information respectively to the first wireless earpiece and the second wireless earpiece based on the established wireless communication connections; and establishing, by the first wireless earpiece and the second wireless earpiece, a wireless communication link between the first wireless earpiece and the second wireless earpiece based on the pairing information. By the above pairing method, pairing between the first wireless earpiece and the second wireless earpiece can be realized conveniently.
US11381973B2 Data transmission method, related device, and related system
A data transmission method, a related device, and a related system. The method includes: receiving, by a first access network device, a data packet (for example, small data) sent by user equipment (for example, an IoT device), where the data packet includes a first cookie and raw data; verifying, by the first access network device, the first cookie, to obtain a verification result; and processing, by the first access network device, the raw data based on the verification result. Implementation of embodiments can reduce load on a network side when a large quantity of user equipments need to perform communication, thereby increasing data transmission efficiency.
US11381972B2 Optimizing authentication and management of wireless devices in zero trust computing environments
Aspects of the disclosure relate to optimizing authentication and management of wireless devices in zero trust computing environments. In some embodiments, a computing platform may receive, from a user computing device, a connection request. Subsequently, the computing platform may generate, using an artificial-intelligence engine, a profile for the connection request. Based on the profile for the connection request generated using the artificial-intelligence engine, the computing platform may determine that the connection request is valid. In response to determining that the connection request is valid, the computing platform may establish a connection with the user computing device. Based on establishing the connection with the user computing device, the computing platform may assign an identity to the user computing device. After assigning the identity to the user computing device, the computing platform may monitor behavior of the user computing device based on the identity assigned to the user computing device.
US11381967B1 System for binding multiple SIM cards to an electronic device
Subscriber identity modules can be bound to devices and utilized for authentication. An initial or additional subscriber identity module can be bound to a user device, for instance after successful user authentication by way of an alternate mechanism. A subscriber identity module of a device can be identified, and carrier data associated with the subscriber identity module can be requested and received. A determination can be made regarding whether the subscriber identity module is linked to the device, for instance by an original linkage. A user profile can be automatically updated with the carrier data to bind the user to the user device based on the subscriber identity module when the subscriber identity module is verified to be linked to the user device. Subsequently, the subscriber identity module can be utilized as a basis for authentication.
US11381966B2 Identification adapter and identification device
An identification adapter for an identification device has a reading unit and a control unit. The control unit is connected to the reading unit via a data communication connection. The identification adapter has a receiving unit for wirelessly receiving identification data (ID). Also, the identification adapter has a data transmission unit designed to transmit the received identification data (ID) to the control unit on the same data communication connection as the reading unit.
US11381965B2 Method and device for setting customized function by means of smart key for vehicles
The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method for an electronic device according to various embodiments of the present invention comprises the steps of: registering user information and user customized setting information to a security server; detecting a relevant vehicle; and performing authentication in the security server by means of the user information if the relevant vehicle is detected, wherein, if the authentication is valid, the user customized setting information registered to the security server is transmitted to the relevant vehicle. However, the present invention is not limited to the above embodiments, and other embodiments are possible.
US11381964B2 Cellular network authentication control
A cellular terminal detects any capability reporting trigger and responsively to such determination produces a cellular network authentication capabilities message indicative of cellular network authentication capabilities available for the terminal; and transmits the cellular network authentication capabilities message to the cellular network. The cellular network receives the network authentication capabilities message from a cellular terminal, selects a cellular authentication algorithm based on capabilities indicated by the network authentication capabilities message; and performs cellular authentication with the cellular terminal using the selected cellular authentication algorithm.
US11381962B1 Integration of content distribution systems with device detection systems in physical venues
A device detection system is configured to determine whether a device is located within a venue. The device detection system provides user identifiers associated with a device to an anonymization server. The anonymization server provides anonymous identifiers to the device detection system corresponding to the user identifiers. A content distribution system provides content items for a campaign associated with the venue to users. The content distribution system provides user identifiers to the anonymization server and receives anonymous identifiers from the anonymization server. The content distribution system provides the anonymous identifiers to the device detection system. The device detection system compares the sets of anonymous identifiers to identify users that received a content item and subsequently visited the venue.
US11381960B2 Dynamic operation of satellite terminal
A server computer can receive, from a terminal via a satellite, a configuration request that includes a location of the terminal. The server computer can select, based on the location, configuration data including a specification of communications by the terminal, and then send the configuration data to the terminal via the satellite.
US11381959B2 User equipment
There is provided a terminal including a processor that includes, in capability information, a frequency separation between a lower edge of a component carrier with a lowest frequency for supported carrier aggregation and an upper edge of a component carrier with a highest frequency for the supported carrier aggregation; and a transmitter that transmits the capability information to a base station.
US11381957B2 Systems, devices and methods for managing access point name information by operators and users on the SIM
Aspects of the subject disclosure may include, for example, embodiments that include accessing a group of user controlled mobile equipment access point names in response to the device detecting a user controlled mobile equipment access point name elementary file (EF_UMEAPN) stored in a memory of a universal integrated circuit card (UICC). An operator stores access point name information and the access point name information comprises the EF_UMEAPN. Further embodiments include configuring the device according to the group of user controlled mobile equipment access point names. Other embodiments are disclosed.
US11381956B2 Obtaining of UE policy
A UE policy obtaining method includes receiving, by a first PCF network element in a VPLMN, a first URSP of an HPLMN that includes a first rule from a second PCF network element in the HPLMN, and sending, to a UE, a second URSP of the VPLMN that includes a second rule and a third rule. The first rule is used to indicate an association between first S-NSSAI, a first application, and a first DNN, the first DNN being used to identify a first DN, and the first DN allowing LBO and supporting the first application and a second application. The second rule is used to indicate an association between second S-NSSAI, the first application, and the first DNN. The third rule is used to indicate an association between the second S-NSSAI, the second application, and the first DNN.
US11381948B2 Connection switching for Bluetooth headsets
A method is disclosed for switching connections of Bluetooth headsets. The method includes indicating, on a user interface of the first Bluetooth device, (i) the first Bluetooth device has a first Bluetooth connection with a Bluetooth headset, and (ii) a second Bluetooth device has no Bluetooth connection with the Bluetooth headset. Also, the method includes receiving user input to establish a second Bluetooth connection between the second Bluetooth device and the Bluetooth headset. Further, the method includes sending a message to the Bluetooth headset. The message includes a unique device identifier of the second Bluetooth device. The message represents a command for the Bluetooth headset to establish the second Bluetooth connection with the second Bluetooth device. Responsive to the message, the Bluetooth headset (i) releases the first Bluetooth connection with the first Bluetooth device and (ii) establishes the second Bluetooth connection with the second Bluetooth device.
US11381945B2 Use of identity data associated with a device for directing communications to another device
Methods and systems for using and/or storing identity data associated with a device to direct communications to another device are described herein. A server may store identity data, such as subscriber identity module (SIM) data, associated with a device or user. The SIM data may be used to authenticate and/or register the device or user with a mobile network. Using the SIM data, other devices may use the capabilities of the first device. The server may receive, from another device, a request to access one or more capabilities of the first device. Based on the request, the server may send a request to register the SIM data with a mobile network. After registration of the SIM data with the mobile network, the server may be used to direct communications to the other device.
US11381940B1 Tethering computer programs and user interfaces to selected targets
A modified computer program for a mobile device, tethered for use with a specific server, including tethering data (metadata tethered to the specific server; features or functions tethered to the specific server). Servers can provide databases, remote processing or storage, virtual machines, or specialized hardware or software that performs specific functions. A method for developers to submit mobile apps for review and tethering by agents, who examine descriptions of, and possibly try out, those mobile apps. Agents can determine whether to modify a mobile app to tether (or re-tether) it, and if so, can provide tethering data. The system either recognize elements in the untethered mobile app that can be modified, and modify them to tether it; or, the system provides software hooks for execution from within the mobile app. The system automatically submits the tethered mobile app to an app store. Tethered mobile apps are modified to both end-user login and login to the tethered server at once. The system automatically recognizes when end-users download and use tethered mobile apps, alerts the developer of the mobile app, and automates payment from the server to the developer.
US11381931B2 Emergency alert systems with secondary alerts
Aspects discussed herein relate to providing alerts to a community of devices located in or near a geographic are such as a building or property. The alerts override any alert-inhibiting state of the mobile device to deliver audio, visual, and/or haptic alerts in emergency situations. The communication and emergency alert system may be used to communicate with many different communities of people. Moreover, certain individuals may be members of more than one community at the same time, and the communities themselves may change over time based both on the user's preferences and on their physical locations. Multiple different alerts can be sent to different mobile devices for a single event. The alerts can be customized to particular mobile devices depending on the community to which the mobile device belongs for the event.
US11381927B2 System and method for spatial processing of soundfield signals
A method for creating an output soundfield signal from an input soundfield signal, the method including the steps of: (a) forming at least one delayed signals from the input soundfield signal, (b) for each of the delayed signals, creating an acoustically transformed delayed signal, by an acoustic transformation process, and (c) combining together the acoustically transformed delayed signals and the input soundfield signal to produce the output soundfield signal.
US11381926B2 Method to expedite playing of binaural sound to a listener
A method expedites processing and playing of binaural sound during an electronic communication between a first user and a second user. An electronic device of the first user convolves sound into binaural sound for the second user before the binaural sound transmits to the electronic device of the second user. In this way, the binaural sound is already convolved and ready to play upon receipt at the electronic device of the second user.
US11381925B2 Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
A multi-channel decorrelator for providing a plurality of decorrelated signals on the basis of a plurality of decorrelator input signals is configured to premix a first set of N decorrelator input signals into a second set of K decorrelator input signals, wherein KK′. The multi-channel decorrelator can be used in a multi-channel audio decoder. A multi-channel audio encoder provides complexity control information for the multi-channel decorrelator.
US11381924B2 Method and system for establishing network connection to a hearing aid
A system, method, hearing aid and software for providing a network connection for a computer device to at least one hearing aid having a gateway to the Internet. The system includes a user account server providing a user account database, each user account includes a unique identity for an associated hearing aid; a control server providing a hearing aid connection register including the unique identity of hearing aids associated with current connection information; and a network connection handling element for detecting the presence of a wireless connection between the hearing a and gateway, and for uploading current connection information to the control server. On receiving connection information, the control server updates the hearing aid connection register, and provides the current connection information to a requesting computer device. The computer device can establish a direct connection to the hearing aid based on current connection information requested from the control server.
US11381923B2 MEMS transducer and method for operating the same
A MEMS transducer includes a first and a second differential MEMS sensor device. The first differential MEMS sensor device includes a first and a second electrode structure for providing a first differential output signal, and a third electrode structure between the first and second electrode structure. The second differential MEMS sensor device includes a first and second electrode structure for providing a second differential output signal, and a third electrode structure between the first and second electrode structure. A biasing circuit provides the third electrode structure of the first differential MEMS sensor device with a first biasing voltage and provides the third electrode structure of the second differential MEMS sensor device with a second biasing voltage. A read-out circuitry combines the first and second differential output signal in an anti-parallel manner.
US11381922B2 Acoustic transducer driver and controller
An acoustophoretic system is controlled and driven to attain a desired level of performance. An RF controller and a driver provide a frequency and power to an acoustic transducer, which can be implemented as a piezoelectric element, which presents a reactive load or a complex load. A controller implements a control technique for efficient transducer operation. The control technique can locate a frequency for operation that is at a reactance minimum or maximum for the system to produce a modal pattern and to provide efficient operation of the transducer. A method of detecting a minimum or maximum reactance in a acoustophoretic system used to trap, separate, deflect, cluster, fractionate or otherwise process particles or secondary fluids or tertiary fluids in a primary fluid and utilizing the frequency of the detected reactance to operate the acoustophoretic system.
US11381918B2 Nano membrane, method of manufacturing nano membrane, and apparatus for speaker and microphone using nano membrane
Disclosed herein is a nano membrane. The nano membrane includes an insulating layer having a thickness corresponding to a diameter of each of metal nanowires and configured to contain the metal nanowires therein, and the metal nanowires arranged to cross and having portions of side surfaces which protrude from one surface of the insulating layer.
US11381915B2 Vehicle and operation method thereof
A vehicle according to an embodiment of the present invention may comprise: a microphone; a plurality of speakers; a memory for storing a sound field table including corresponding relationship between filter set values, virtual sound items, and boarding items; and a processor for receiving a sound signal via the microphone, determining a first filter set value matched to characteristics of the received sound signal, by using the sound field table, and controlling outputs of the plurality of speakers so as to output sound according to the determined first set value.
US11381914B2 Method and apparatus for controlling audio using asymmetric channel of audio conference
Disclosed are methods and systems for controlling audio using an asymmetric channel of an audio conference. An audio control method may include establishing, by a processor included in a computer apparatus, a bi-directional media session having an asymmetric channel structure between a first participant among a plurality of participants participating in an audio conference and a mixer, receiving, by the processor, first audio data from the first participant through a media session of a first channel structure in the bi-directional media session, mixing, by the processor, second audio data of at least two participants excluding the first participant from among the plurality of participants, using a multichannel, and transferring, by the processor, the mixed audio data of the at least two participants mixed using the multichannel to the first participant through a media session of a second channel structure in the bi-directional media session.
US11381913B2 Dynamic device speaker tuning for echo control
Dynamic device speaker tuning for echo control includes detecting audio rendering from a speaker on a device; based at least on detecting the audio rendering, capturing, with a microphone on the device, an echo of the rendered audio; performing a Fourier Transform on the echo and the rendered audio; determining a real-time transfer function for at least one signature band; determining a difference between the real-time transfer function and a reference transfer function; and tuning the speaker for audio rendering, based at least on the difference between the real-time transfer function and the reference transfer function, by adjusting an audio amplifier equalization. For some examples, the signature band represents a wall echo or an alternative mounting option. For some examples, the echo is collected during intervals while the audio rendering is ongoing.
US11381910B2 Method for removing dust using speaker and electronic device supporting the same
An electronic device includes a housing surrounding an exterior of the electronic device and including at least one opening, a sensor module including at least one sensor, a sound output device including sound output circuitry configured to output an acoustic-signal through the at least one opening, a memory, and a processor electrically connected to the sensor module and the sound output device, wherein the processor may be configured to: determine whether the electronic device is in a state where a foreign substance has entered into the electronic device through the at least one opening, determine whether the electronic device is in a first disposition state using the sensor module based at least on determining that the electronic device is in the state where the foreign substance has entered into the electronic device, and control the electronic device to output a specified acoustic-signal having a specified frequency band and a specified waveform through the sound output device based on the electronic device being in the first disposition state.
US11381909B2 Method and apparatus for forming differential beam, method and apparatus for processing signal, and chip
Some embodiments of the present disclosure provide a method and an apparatus for forming a differential beam, a method and an apparatus for processing a signal, and a chip. The method for forming a differential beam includes: obtaining a differential beam forming signal according to an input signal acquired by two microphones in a microphone array (101); and performing a nonlinear adjustment on at least an amplitude of the differential beam forming signal based on a distance between the two microphones and a signal frequency of the input signal to obtain the adjusted differential beam forming signal (102). With the above solution, a constant beam characteristic of the differential beam forming signal can be ensured as much as possible for microphone arrays of different specifications.
US11381908B2 Controller for an electromechanical transducer
A controller for an electromechanical transducer is provided. The controller comprises driving means operable to actuate a mechanical output of the transducer; impedance cancelling means operable to at least partially cancel an electrical impedance of the transducer; and linearising means between an input of the controller and the driving means. The linearising means are operable to generate an output signal by modifying an input signal of the linearising means to compensate for nonlinear behaviour of the transducer. The linearising means are operable to receive one or more state signals indicative of one or more state variables of the transducer, the one or more state signals comprising a velocity signal indicative of a velocity of the mechanical output of the transducer.
US11381905B2 Passive acoustic meta material audio amplifier and the method to make the same
An Acoustic meta material (AMM) device for passive amplification of sound is described. The AMM amplifier device employs a deep sub-wavelength resonator design with high refraction index, which uses resonant amplification of the bass sound. An array of sub wavelength, single frequency channels are used, each resonating and amplifying at a different frequency in the bass frequency range. This is accomplished by having many different channels, each with an opening extending in a same, common, or substantially common direction. Thus, sound emanating from a speaker in a first direction continues in this direction until reaching and entering the openings of the plurality of channels. The sound from the speaker is in all transmitted frequencies of, for example, a musical recording or the like. However, only a specific frequency and/or harmonics thereof are substantially propagated through each channel.
US11381903B2 Modular quick-connect A/V system and methods thereof
A modular speaker system, comprising an exoskeleton, configured to mechanically support and quick attach and release at least one functional panel and an electrical interface provided within the exoskeleton, configured to mate with a corresponding electrical connector of the functional panel. An optional endoskeleton is provided to support internal components. The system preferably provides a digital electronic controller, and the electrical interface is a digital data and power bus, with multiplexed communications between the elements of the system. The elements of the system preferably include at least one speaker, and other audiovisual and communications components. Multiple modules may be interconnected, communicating through the electrical interface. A base module may be provided to provide power and typical control, user and audiovisual interface connectors.
US11381899B2 Headphone control system
A headphone control system for use within a headphone includes a temperature sensor for detecting whether the circumference temperature of the headphone is relatively far from the human temperature implying the headphone is no longer worn by the user, and a gravity sensor for detecting whether the headphone is stationary implying that the headphone is not used for enabling a power saving mode, or is moving implying that the headphone is not yet unused for maintaining operation. The detection constantly is applied to the headphone disregarding whether the headphone is in an operation mode or a power saving mode so as to efficiently have the headphone operated in response to currently using or power-saved in response to non-using.
US11381898B2 Canal-type earphone having pressure equilibrium structure
Disclosed is a canal-type earphone having a pressure equilibrium structure. The canal-type earphone includes: a microspeaker including a frame, a magnetic circuit, a voice coil, and a diaphragm; an earphone housing including an accommodation space accommodating the microspeaker and a nozzle extending to one side of the accommodation space; a vent hole formed at the earphone housing, installed in at least one of portions located in front of the microspeaker in the nozzle and the accommodation space, and allowing air to flow outside and inside the earphone housing; and an eartip coupled to outside of the nozzle of the earphone housing.
US11381897B2 Variable eartip for earphone
Disclosed is an eartip for an earphone. The eartip includes a fixing portion formed to have a cylindrical shape with a bottom fixedly coupled to a nozzle of an earphone, a variable portion formed to have a cylindrical shape with a bottom coupled to a top of the fixing portion and to have a length and bending which are variable, and a contact portion formed of a flexible material and including an inner section having a cylindrical shape with a bottom coupled to a top of the variable portion and an outer section extending to be rounded downward from a top end of the inner section to surround at least parts of the inner section, the variable portion, and the fixing portion and to come into contact with an external auditory meatus of a user's ear.
US11381883B2 Dynamic designated forwarder election per multicast stream for EVPN all-active homing
A method is performed by a first provider edge (PE) of a redundancy group including provider edges configured with an Ethernet virtual private network (EVPN) segment identifier (EVI) and an Ethernet segment identifier (ESI) and that are multi-homed to a customer edge (CE). The method includes, upon receiving from the CE a join request including a group address for a multicast stream, electing a designated forwarder (DF) for the multicast stream. The electing includes: computing for each PE a respective affinity for the DF as a function of a respective address of the PE, the EVI, and the group address; and determining which PE has a largest affinity. The method further includes, if the first PE has the largest affinity or does not have the largest affinity, configuring the first PE as the designated forwarder or not configuring the first PE as the designated forwarder for the multicast stream, respectively.
US11381882B2 Episodic timely notification
A notifiable event pertaining to a series of videos may be detected, wherein detecting the notifiable event comprises searching a log pertaining to the series of videos. A user who has watched a portion of at least one video in the series of videos or at least one video in the series of videos may be determined, wherein the user is assigned an affinity score indicating a user interest to continue viewing the series of videos. A notification identifying the notifiable event pertaining to the series of videos may be generated, the notification comprising a reference to an unwatched next video in the series of videos. The notification may be transmitted to the user.
US11381881B2 Systems and methods for performing an action based on context of a feature in a media asset
Systems and methods are provided herein for performing an action based on a feature in a media asset. In many media assets, specific features appear at portions of a program that users find interesting. These features can be compared with a database of stored objects that commonly appear in media assets to determine the object corresponding to the feature. The context of the object in the media asset then may be determined so that an appropriate action is selected for the system to take.
US11381880B2 Methods, systems, and media for presenting suggestions of media content
Methods, systems, and media for presenting suggestions of media content are provided. In some implementations, the method comprises: determining an item of media content; determining a probability of the item of media content being watched at one or more times based on at least one of: a characteristic of a person; a characteristic of a group; and a characteristic of the item of media content; creating a user interface which suggests that the item of media content be watched at one or more times based on the determined probability; and presenting the user interface.
US11381879B2 Voice recognition system, voice recognition server and control method of display apparatus for providing voice recognition function based on usage status
Apparatuses and methods related to a voice recognition system, a voice recognition server and a control method of a display apparatus, are provided. More particularly, apparatuses and methods relate to a voice recognition system which performs a voice recognition function by using at least one of a current usage status with respect to the display apparatus and a function that is currently performed by the display apparatus. A voice recognition system includes: a voice receiver which receives a voice command; and a controller which determines at least one from among a current usage status with respect to a display apparatus and a function currently performed by the display apparatus, determines an operation corresponding to the received voice command by using at least one from among the determined current usage status and the function currently performed by the display apparatus, and performs the determined operation.
US11381877B2 Method for processing hybrid playing of multi-type multimedia data, playing apparatus and storage medium
A method for processing hybrid playing of multi-type multimedia includes: receiving a return instruction; determining whether a current address is a homepage address of the playing apparatus; when the current address is the homepage address, obtaining state switching information of a broadcast TV video and a video on demand (Vod) played by the playing apparatus; determining whether the obtained state switching information meets a preset condition; and when the state switching information meets the preset condition, cleaning up residual data of playing the Vod.
US11381875B2 Causing display of user-selectable content types
A user interface allows for blending of television program choices from which a viewer may select, the blending representing options for linear and non-linear programming presented together within a single hierarchy of a designated category. The blending may further include managed content relevant to the designated category, where desired. Such designated categories may include television programming categories and/or content categories. The options for linear and non-linear programming may be presented together within a single screen of the user interface.
US11381872B2 Systems and methods for reducing digital video latency
Examples of the systems and methods described herein relate to reducing latency issues associated with playing online digital video on client devices. An example method includes: determining that a client device of a user is displaying a web page; determining a likelihood that the user will select content on the web page associated with a digital video; and determining that the likelihood exceeds a threshold and, based thereon, performing at least one of the following steps before the user selects the content: initiating a mediation process to identify the digital video associated with the content; unwrapping a video tag associated with the digital video; storing at least a portion of the digital video on the client device; stitching the digital video together with a second digital video; and/or initializing a video player for displaying the digital video on the client device.
US11381871B2 Electronic apparatus and controlling method thereof
An electronic apparatus includes a communicator connected to a Local Area Network (LAN), an inputter, a memory storing at least one computer executable instruction, and a processor. The processor outputs a content of a first channel received through the communicator, receives information associated with contents of a plurality of channels through the communicator and stores the information in the memory while the content of the first channel is being output, and based on an instruction change the first channel to a second channel while the content of the first channel is output, acquires information associated with the content of the second channel among the stored information associated with the contents of the plurality of channels from the memory, and decodes the content of the second channel received through the communicator by using the acquired information on the content of the second channel and outputs the decoded content.
US11381866B2 Cable television device
A wideband receiver system comprises a wideband analog-to-digital converter (ADC) module and a digital frontend (DFE) module. The wideband ADC is configured to concurrently digitize a band of frequencies comprising a plurality of desired channels and a plurality of undesired channels. The DFE module is coupled to the digital in-phase and quadrature signals. The DFE module is configured to select the plurality of desired channels from the digitized band of frequencies, and generate an intermediate frequency (IF) signal comprising the selected plurality of desired channels and having a bandwidth that is less than a bandwidth of the band of frequencies, where the generation comprises frequency shifting of the selected plurality of desired channels. The IF signal may be a digital signal and the DFE is configured to output the IF signal via a serial or parallel interface.
US11381864B2 Content-modification system with broadcast schedule utilization feature
In one aspect, a method includes (i) accessing broadcast-schedule data associated with a channel; (ii) using the accessed broadcast-schedule data to identify an upcoming content-modification opportunity on the channel; and (iii) responsive to identifying the upcoming content-modification opportunity on the channel, performing an action to facilitate performing a content-modification operation related to the identified upcoming content-modification opportunity on the channel, wherein performing the action comprises causing in-band message data to be inserted into at least a portion of a content segment that is being transmitted by a content-distribution system on the channel.
US11381861B2 Method and device for pushing a barrage, and electronic device
A method for pushing a barrage includes: clustering a plurality of historical barrages in a target database to obtain barrages to be displayed; determining an interested vector based on evaluation records of the historical barrages; determining a similarity between a vector of each of the barrages to be displayed and the interested vector; and pushing the barrage to be displayed to the user based on a determined similarity.
US11381860B2 Methods and apparatus to correct for deterioration of a demographic model to associate demographic information with media impression information
Methods and apparatus to correct for deterioration of a demographic model to associate demographic information with media impression information are disclosed. An example method includes estimating first and second ages of audience members based on demographic information; estimating a third age of an audience member who is not included in the audience members; applying a window function to the second ages to determine a distribution of ages based on the third age; multiplying window values by the first ages to determine corrected first age components; dividing a total of the corrected first age components by a sum of the window values to determine an estimated age of the audience member at a first time; and determining the corrected age of the audience member at a second time based on the estimated age of the audience member at the first time and a time difference between the first and second times.
US11381858B2 Systems and methods for facilitating content discovery based on viewer ratings
Systems, methods, and computer-readable media are provided to assist users to locate content of interest based on viewer ratings. First information enabling unique identification of a first user may be processed. Indications of ratings of television programming may be processed, the indications being received from a first media device associated with the first user. Ratings information associated with the first user may be retained in repositories, the ratings information being based on the indications. The first user may be matched to a category that represents a classification of a set of viewers and/or of a set of content based on a set of attributes. Descriptive content indicative of the first user and/or content rated by the first user may be selected and may be transmitted via the network to a second media device associated with a second user.
US11381856B2 Social networking system targeted message synchronization
Targeted messages are sent to users of social networking system (SNS) based on the detection of airings of advertisements in time-based media. This approach allows advertisers to leverage their investment in, for example, television advertising by sending advertisements to SNS users who have likely seen the advertisements within shows that they have expressed interest in in the context of a SNS. Time-based media streams are analyzed to detect the airings of advertisements within those streams. In one embodiment, SNS content items are received regarding individual users. Based on references in those content items between users and their interests, targeted messages may be sent to users. In another embodiment, targeted messages are sent to SNS users based on the airing of advertisements and targeting criteria provided by advertisers.
US11381851B2 Addressable advertising insertion for playout delay
A computer implemented method for inserting advertisement content into a program content stream includes receiving, by a headend content server, the program content stream. The program content stream includes an advertisement insertion cue. The method further includes detecting the advertisement insertion cue in the program content stream, and the advertisement insertion cue indicates an insertion point in the program content stream for inserting an advertisement. The method further includes modifying the advertisement insertion cue to indicate an expiration date and time for playout of a first advertisement content to be inserted into the program content stream, and inserting the first advertisement content into the program content stream.
US11381850B2 Thermostat and system and method for use of same
A thermostat and system and method for use of the same are disclosed. In one embodiment, multiple wireless transceivers are located within a housing, which also interconnectively includes a processor and memory. To improve convenience, the thermostat may establish a pairing with a proximate wireless-enabled interactive programmable device having a display. Virtual remote control functionality for various amenities may then be provided. To improve safety, the thermostat may be incorporated into a geolocation and safety network.
US11381842B2 Methods for coding or decoding video parameter set or sequence parameter set
The present disclosure provides a computer-implemented method for encoding video. The method includes: determining whether a coded video sequence (CVS) contains equal number of profile, tier and level (PTL) syntax structures and output layer sets (OLSs); and in response to the CVS containing equal number of PTL syntax structures and OLSs, coding the bitstream without signaling a first PTL syntax element specifying an index, to a list of PTL syntax structures in the VPS, of a PTL syntax structure that applies to a corresponding OLS in the VPS.
US11381841B2 Method for signaling subpicture identifier in tiled video stream
A method, device, and non-transitory computer-readable medium for decoding an encoded video bitstream using at least one processor, including obtaining a first flag indicating that a subpicture identifier for a subpicture of a current picture is explicitly signaled; based on the first flag, obtaining a second flag indicating whether the subpicture identifier is signaled in a picture parameter set (PPS) or a sequence parameter set (SPS); based on the second flag indicating that the subpicture identifier is signaled in the PPS, determining the subpicture identifier based on a first syntax element included in the PPS; based on the second flag indicating that the subpicture identifier is signaled in the SPS, determining the subpicture identifier based on a second syntax element included in the SPS; and decoding the current picture based on the determined subpicture identifier.
US11381835B2 Systems and methods for game-generated motion vectors
Systems and methods for integrated graphics rendering are disclosed. In certain embodiments, the systems and methods utilize a graphics engine, a video encoding engine, and remote client coding engine to render graphics over a network. The systems and methods involve the generation of per-pixel motion vectors, which are converted to per-block motion vectors at the graphics engine. The graphics engine injects these per-block motion vectors into a video encoding engine, such that the video encoding engine may convert those vectors into encoded video data for transmission to the remote client coding engine.
US11381834B2 Video processing methods and apparatuses for sub-block motion compensation in video coding systems
Video processing methods and apparatuses for coding a current block comprise receiving input data of a current block, partitioning the current block into multiple sub-blocks, deriving sub-block MVs for the current block according to a sub-block motion compensation coding tool, constraining the sub-block MVs to form constrained sub-block MVs, and encoding or decoding the current block using the constrained sub-block MVs. The sub-block MVs may be constrained according to a size, width, or height of the current block or a sub-block, an inter prediction direction of one of control point MVs of the current block, the current block, or current sub-block, the control point MVs, or a combination of the above.
US11381833B2 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 is configured to select, from a history buffer that includes multiple pieces of motion information of previously decoded blocks, at least one motion vector prediction (MVP) candidate to be included in a MVP candidate list for a current block based on frequencies that the multiple pieces of motion information are used in predicting the previously decoded blocks. The processing circuitry further determines a current piece of motion information of the current block based on the MVP candidate list and reconstructs at least one sample of the current block based on the current piece of motion information.
US11381830B2 Modified quantizer
A method, computer program, and computer system is encoding or decoding video data. Video data may include a syntax element indicating a quantization index, wherein a range of the quantization index is extended by an offset value. The syntax element may be parsed to determine the quantization index, a quantization step size may be obtained from a lookup table based on the quantization index and the offset value; and the video data may be encoded or decoded based on the quantization step size.
US11381829B2 Image processing method and apparatus therefor
An image decoding method may include: deriving motion information of a first prediction unit determined by a first partitioning mode of a current block and motion information of a second prediction unit determined by a second partitioning mode of the current block; generating a prediction block of the first prediction unit by using the motion information of the first prediction unit and generating a prediction block of the second prediction unit by using the motion information of the second prediction unit; and generating a prediction block of the current block in units of sub-prediction unit determined by combining the first prediction unit and the second prediction unit by using the first prediction block and the second prediction block.
US11381826B2 Encoding device, decoding device, encoding method, and decoding method
According to an embodiment, an encoding device includes an index setting unit and an encoding unit. The index setting unit generates a common index in which reference indices of one or more reference images included in a first index and a second index are sorted in a combination so as not to include a same reference image in accordance with a predetermined scanning order. The first index representing a combination of the one or more reference images referred to by a first reference image. The second index representing a combination of the one or more reference images referred to by a second reference image. The encoding unit encodes the common index.
US11381821B2 Quantizer design for lossless and near-lossless compression in AV2
A system includes code including obtaining code to obtain a first syntax element that indicates a first quantization index value; at least one second syntax element that indicates an offset value, a second quantization index value for another coefficient by combining the first quantization index value and the offset value to obtain a combined value, and modifying the combined value to be a predetermined minimum value as the second quantization index value, fourth obtaining code to obtain a quantization step size that corresponds to the second quantization index value; and determining code to determine a mode in which the coded image is to be decoded based on determining whether the first quantization index value is equal to a quantization index value associated with lossless coding, and based on determining whether the offset value is less than or equal to the quantization index value associated with the lossless coding.
US11381818B2 Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
Methods and apparatus are provided for determining quantization parameter predictors from a plurality of neighboring quantization parameters. An apparatus includes an encoder for encoding image data for at least a portion of a picture using a quantization parameter predictor for a current quantization parameter to be applied to the image data. The quantization parameter predictor is determined using multiple quantization parameters from previously coded neighboring portions. A difference between the current quantization parameter and the quantization parameter predictor is encoded for signaling to a corresponding decoder.
US11381817B2 Viewport-based transcoding for immersive visual streams
In one example, a processing system including at least one processor may obtain a predicted viewport of a mobile computing device for an immersive visual stream, identify a first plurality of blocks of a frame of the immersive visual stream that are associated with the predicted viewport, encode the first plurality of blocks at a first encoding quality level, and encode a second plurality of blocks of the frame at a second encoding quality level, where the second encoding quality level is associated with a lesser visual quality as compared to the first encoding quality level and where the second plurality of blocks are outside of the predicted viewport. The processing system may then transmit the frame having the first plurality of blocks encoded at the first encoding quality level and the second plurality of blocks encoded at the second encoding quality level to the mobile computing device.
US11381816B2 Method and system for real-time content-adaptive transcoding of video content on mobile devices to save network bandwidth during video sharing
A post processing system, method and computer program product content-adaptively transforms MPEG on-demand media streams, including a video optimizer software development kit (SDK); an application layer controlling the SDK interfacing with a mobile device operating and file system. Raw pixel frame buffers are parsed and structured. The buffers are normalizes for processing. Source content is analyzed in an uncompressed format for video patterns and characteristics and parameters are selected in a video codec output format. Estimated are parameters for portions and/or segments of the content. The content is recompressed and optimized in a content-adaptive manner to generate optimized content written into persistent storage of the mobile device, and segments of which are combined with an audio stream and/or a metadata stream information to generate a playable media stream in an ISO base media file format and/or a media file application specific format.
US11381815B2 Apparatus and method for video encoding or decoding
The present invention relates to efficient signaling of an intra prediction mode for predicting a current block in intra prediction coding. According to an aspect of the present invention, a video encoding apparatus divides dozens of intra modes into groups, selects a group to which an actual intra mode of the current block to be encoded belongs, and signals a value corresponding to the group. The video decoding apparatus acquires information on the group to which the actual intra mode of the current block belongs from a bit-stream and then evaluates intra modes belonging to the group to select a final intra mode.
US11381812B2 Boundary filtering method for intra prediction
Disclosed is a boundary filtering method for intra prediction, relating to the video encoding technology filed. Whether boundary filtering is performed on an intra prediction block or not is adaptively selected by means of a rate distortion optimization decision; during filtering, a filter coefficient exponentially attenuated relative to distance to boundary is adopted to perform filtering on the first N rows or the first N columns of the intra prediction block by means of an intra prediction block filter, and different filtering strengths are used according to different sizes of the prediction blocks. Therefore, the boundary distortion problem of intra prediction block is solved, the intra prediction precision is improved, and the encoding efficiency of intra prediction block is increased; and the practicability and the robustness of the boundary filtering technology are improved.
US11381811B2 Method and apparatus for low-complexity bi-directional intra predication in video encoding and decoding
At least one of the present embodiments generally relates to a method and an apparatus for video encoding and decoding, and more particularly, to a method and an apparatus for low-complexity bi-directional intra prediction. For example, a subset of a plurality of directional intra prediction modes is selected based on a shape of a current block of a picture being encoded or decoded. For a selected intra prediction mode in this subset, a sample value is bi-directionally intra predicted by using two predictors. The two predictors are substantially on a line based on a direction corresponding to the selected directional intra prediction mode. The bi-directional intra prediction may be only applied to large luma blocks, but not chroma blocks in order to reduce the computational complexity. When bi-directional intra prediction is used, the smoothing filtering may be omitted in intra prediction to further reduce the complexity.
US11381808B2 Method and apparatus of matrix based intra prediction in image and video processing
An intra prediction method includes receiving input data of a current block in a current picture, deriving reference samples of the current block from boundary samples, selecting a matrix for the current block, generating intermediate predicted samples by multiplying the reference samples and the matrix, and clipping the intermediate predicted samples before up-sampling. The intra prediction method further includes performing an up-sampling process on the clipped intermediate predicted samples to generate predicted samples for the current block, and encoding or decoding the current block according to the predicted samples of the current block.
US11381804B2 Light projector using an acousto-optical control device
An approach for projecting light may be implemented using a acousto-optical depth switch that uses surface acoustic waves produced along a substrate to guide image light to different areas. The surface acoustic waves may be generated on a substrate using a transducer. Surface acoustic waves of different frequencies can guide image light onto different optical elements at different physical positions. The optical elements may be configured to show objects in an image at different distances from a viewer.
US11381800B2 Transferring of three-dimensional image data
A three-dimensional source device provides a three-dimensional display signal for a display via a high speed digital interface, such as HDMI. The three-dimensional display signal comprises a sequence of frames. The sequence of frames comprises units, each unit corresponding to frames comprising video information intended to be composited and displayed as a three-dimensional image. The three-dimensional source device includes three-dimensional transfer information comprising at least information about the video frames in the unit. The display detects the three-dimensional transfer information, and generates the display control signals based in dependence on the three-dimensional transfer information. The three-dimensional transfer information in an additional info frame packet comprises information about the multiplexing scheme for multiplexing frames into the three-dimensional display signal, the multiplexing scheme being selected of group of multiplexing schemes including frame alternating multiplexing, the three-dimensional transfer information indicating the number of frames being sequentially arranged within the video data period.
US11381795B2 Image processing apparatus configured to correct a luminance value of a target pixel, imaging apparatus, image processing method, and image processing program
An image processing apparatus including a processor is provided. The processor inputs, from an imaging element in which first imaging pixels having a lower SNR and second imaging pixels having a higher SNR are arranged on a same layer, a first captured image by the first imaging pixels and a second captured image by the second imaging pixels when the first imaging pixels and the second imaging pixels perform imaging simultaneously, selects a target pixel from the first captured image, extracts, from the second captured image or an interpolated image of the second captured image, pixels having luminance values close to a luminance value of a pixel corresponding to the target pixel in the second captured image or interpolated image, selects pixels corresponding to the extracted pixels from the first captured image, and corrects a luminance value of the target pixel based on luminance values of the selected pixels.
US11381794B2 Method for triggering projection fusion calibration and projection system
A method for triggering projection fusion calibration and a projection system is provided, including the following. First and second display contents are projected respectively onto a projection surface by a first projection device and a second projection device and fused into a complete display content including an overlapping area and a first non-overlapping area corresponding to a part of the first display content. A first image on the projection surface is captured, a first sharpness value corresponding to the first non-overlapping area and a specific sharpness value corresponding to the overlapping area based on the first image are obtained, and a first sharpness value difference between the first sharpness value and the specific sharpness value is obtained. In response to determining the first sharpness value difference being greater than a first threshold a fusion calibration operation is triggered, or a fusion calibration prompt is provided.
US11381793B2 Room capture and projection
Examples associated with room capture and projection are disclosed. One example includes an information management module that may maintain information regarding a virtual space and a first digital object within the virtual space. The first digital object may be associated with an artifact in a physical space. A room calibration module may map the virtual space to the physical space using sensors to detect attributes of the physical space. A capture module may record a modification to the artifact to be maintained by the information management module. A projection module may project a representation of a second digital object into the physical space. The representation may be projected based on a signal from the information management module.
US11381790B2 Display system, video processing device, pixel shift display device, video processing method, display method, and program
A video processing device according to an embodiment includes: a determination unit configured to determine whether pixel shift display is performed according to an original video; a control signal generation unit configured to generate a control signal indicating ON/OFF of the pixel shift display and a pixel display position when the pixel shift display is turned ON, based on a determination result by the determination unit; a display image generation unit configured to generate a display image from the original video, based on the determination result by the determination unit; and an addition unit configured to add the control signal to the display image.
US11381782B2 Video monitoring apparatus, control method thereof, and computer readable medium
A position and pose determination unit (103) is configured to determine a position and an pose of the video acquisition unit (110) in such a way that a level of hiding caused by overlapping of objects becomes low based on environmental object information indicating an environmental object including a structural object present in the monitored area and a placed object placed in the structural object, and staying characteristic information indicating a staying characteristic of the object determined depending on the environmental object. The analysis and display unit (111) is configured to perform at least one of analyzing a video captured by the video acquisition unit (103) at the position and the pose determined by the position and pose determination unit (110) and displaying the video.
US11381780B2 Item-identifying carts
This disclosure is directed to an item-identifying cart that may be utilized by a user in a materials handling facility to automatically identify items that the user places in their cart, and update a virtual shopping cart to include items taken by the user. The mobile cart may include four capture assemblies that are disposed proximate to each of the four corners of a basket of the cart, and oriented such that their respective optical axes are directed towards an interior of a perimeter of the top of the basket, and above the top of the basket. The capture assemblies may include proximity sensors that are used to detect movement above the top of the basket, LEDs that illuminate items, and cameras that generate image data representing the items as they are placed in, or removed from, the cart.
US11381776B2 Camera positioning device for eye-to-eye alignment in video conference applications
A camera positioning device for eye-to-eye alignment in video conference applications is provided. The device can include a camera, a cord going from the camera to a computer, and a positioning component (e.g., a bracket) that connects the camera to the computer. The bracket allows for manual adjustment of the cord attached to the camera to maintain vertical and horizontal positioning and rotational stability of a camera for improved eye-to-eye alignment in video conference applications.
US11381775B2 Light field display system for video communication including holographic content
A video communication system uses a light field display to present a holographic image of a remote scene (e.g., a hologram of a remote participant). The system may include a local light field display assembly and a controller. The controller generates display instructions based on visual data corresponding to a remote scene received from a remote image capture system (e.g., a remote light field display system). The display instructions cause the local light field display assembly to generate a holographic image of the remote scene.
US11381774B2 Microscope system and method for operating a microscope system
A microscope system includes a microscope with at least one microscope sensor. Each microscope sensor has a measurement device for recording sample signals; an analog-to-digital converter for converting recorded sample signals to digital data; a data compression device which produces a compressed data stream from the digital data; and a data output interface, which outputs the compressed data stream and a raw data stream that comprises digital data that were not compressed. The microscope system additionally includes a user computer to which the compressed data stream is transmitted and also a data memory to which the raw data stream is transmitted. The user computer calculates real-time images from the compressed data stream and reads and processes the raw data stream from the data memory for subsequent data analysis. In addition, a method for operating such a microscope system is described.
US11381769B2 Imaging device
An imaging device includes a first substrate and a second substrate stacked thereon. The first substrate includes: a photoelectric converter that converts incident light into a signal charge; a first transistor that outputs a signal corresponding to the signal charge, a gate of the first transistor being connected to the photoelectric converter; and a second transistor, one of a source and a drain thereof being connected to the photoelectric converter, the other of the source and the drain thereof being connected to a source or a drain of the first transistor. The second substrate includes: a constant current source circuit that is connected to one of the source and the drain of the first transistor; and a bias circuit that is connected to the other of the source and the drain of the first transistor and that generates a first voltage and a second voltage different therefrom.
US11381764B2 Sensor element and electronic device
The present disclosure relates to a sensor element and an electronic device that can further reduce noise.In a solid-state imaging apparatus that performs AD conversion in a pixel, a comparator circuit included in the pixel at least has: a comparing unit that compares a pixel signal output from a pixel circuit with a reference signal which is a slope signal whose level monotonously decreases with time; a band limiting unit that performs band limiting by narrowing a band of a signal that changes according to a result of comparison by the comparing unit; and an amplification unit that amplifies the signal whose band has been limited through the band limiting unit. The present technology can be applied to a solid-state imaging apparatus that performs AD conversion in a pixel, for example.
US11381761B2 Phononically-enhanced imager (PEI) pixel
An imager pixel comprising a micro-platform supported by phononic nanowires, the nanowires providing an extreme-level of thermal isolation from a surrounding substrate. The micro-platform in embodiments comprises thermal sensors sensitive to heat from absorbed incident longwave/shortwave photonic irradiation. In embodiments, the pixel photonic sensing structure comprises both a thermal sensor together with a separate photodiode/phototransistor/photogate for sensing RGB and NIR wavelengths. Some embodiments comprise a micro-platform with an integral Peltier thermoelectric element permitting in situ refrigeration to cryogenic temperatures.
US11381759B2 Multi-function imaging
An illustrative method includes receiving a single frame comprising a first set of pixel data that includes a fluorescence scene component and a second set of pixel data that includes a combination of a visible color component scene and the fluorescence scene component, determining a display fluorescence scene component from the first set of pixel data, determining a display visible scene component from the second set of pixel data, and generating, based on the display fluorescence scene component and the display visible scene component, a display scene.
US11381757B2 Imaging system and method
An imaging system includes an image sensor and an image signal processor (ISP). The image sensor generates image data including a set of pixel values. The ISP defines a first subset of pixel values from the set of pixel values. The first subset of pixel values corresponds to at least one region of interest. The ISP defines a second subset of pixel values that is complementary to the first subset of pixel values. The ISP generates a first sub-image based on the second subset of pixel values. The ISP processes the first subset of pixel values to generate a second sub-image. Processing the first subset of pixel values includes at least one of changing a color of one or more pixel values from the first subset of pixel values and scaling the first subset of pixel values. The ISP merges the first and second sub-images to generate an output image.
US11381755B2 Image capture apparatus and control method for generating a time-lapse moving image
An image capture apparatus comprises a photometry unit that acquires photometric information that indicates brightness of a captured image of a subject, a control unit that controls exposure based on the photometric information, and a correction unit that, at a time of acquiring a plurality of images, which are to be used when generating a time-lapse moving image and are obtained by consecutive image capturing of a subject, obtains a difference between first photometric information acquired prior to a first image capturing in the consecutive image capturing and second photometric information based on an image obtained by performing the first image capturing in a state in which exposure control has been performed, and corrects photometric information at the time of second and subsequent image capturing in the consecutive image capturing using the difference.
US11381752B2 Method and apparatus providing pixel array having automatic light control pixels and image capture pixels
A pixel array uses two sets of pixels to provide accurate exposure control. One set of pixels provide continuous output signals for automatic light control (ALC) as the other set integrates and captures an image. ALC pixels allow monitoring of multiple pixels of an array to obtain sample data indicating the amount of light reaching the array, while allowing the other pixels to provide proper image data. A small percentage of the pixels in an array is replaced with ALC pixels and the array has two reset lines for each row; one line controls the reset for the image capture pixels while the other line controls the reset for the ALC pixels. In the columns, at least one extra control signal is used for the sampling of the reset level for the ALC pixels, which happens later than the sampling of the reset level for the image capture pixels.
US11381751B2 Handheld gimbal control method, handheld gimbal, and handheld device
A handheld gimbal includes a handheld part and a gimbal. The handheld part is configured with a human-machine interface component. The gimbal is mounted at the handheld part and configured to mount a camera device to photograph a target object. The human-machine interface component includes a display screen and a processor. The display screen is configured to display a photographing image captured by the camera device. The photographing image includes an image of the target object. The processor is configured to automatically recognize the target object, obtain a motion instruction of controlling a motion of the gimbal according to a motion status of the image of the target object, and control the motion of the gimbal according to the motion instruction.
US11381749B2 Camera module and camera-equipped device
A camera module has: a lens holder for holding a lens unit; an image sensor holding unit that is arranged spaced apart from the lens holder in a first direction along the optical axis of the lens unit and holds an image sensor; and a drive unit that moves the image sensor holding unit with respect to the lens holder in a second direction and a third direction which are perpendicular to the optical axis and are perpendicular to each other, and that rotates the image sensor holding unit around the optical axis.
US11381746B2 Apparatus and method for setting a correction axis for image stabilization
An image stabilization apparatus comprises a setting unit that sets a correction axis to be used in image stabilization among correction axes of a first image stabilization unit based on a shooting state of an image capturing apparatus; and a calculation unit that obtains a driving amount of the first image stabilization unit for correcting a shake with respect to the set correction axis based on an amount of shake of the image capturing apparatus. The setting unit sets the correction axis so that a different correction axis is set in a case where the image capturing apparatus is in a moving image shooting state and in a case where the image capturing apparatus is in a still image shooting state.
US11381745B2 Drift correction with phase and amplitude compensation for optical image stabilization
Systems and methods of correcting for signal drift in optical image stabilization of a portable device. An accelerometer is used to obtain an acceleration signal corresponding to acceleration of the portable device. A gravity component is removed from the accelerometer signal to obtain a proper acceleration signal. A double integration is performed on the proper acceleration signal to obtain a translation signal. A drift component of the translation signal is estimated. The estimated drift component is used to generate a drift correction signal. A phase compensation signal is determined based on a plurality of phase responses of a plurality of components of the optical image stabilization system. The drift correction signal and the phase compensation signal are applied to an actuator controller which controls movement of a lens within the portable device as part of the process for optical image stabilization.
US11381743B1 Region of interest capture for electronic devices
Systems, methods, and non-transitory media are provided for capturing a region of interest (ROI) with a multi-camera system. An example method can include initializing image sensors of an electronic device, each image sensor being initialized in a lower-power mode having a lower power consumption than a higher-power mode supported by one or more of the image sensors; obtaining images captured by the image sensors in the lower-power mode; determining, based on the images, that an ROI in a scene is within a field-of-view (FOV) of a first image sensor from the image sensors; based on determining that the ROI is within the FOV of the first image sensor, decreasing the lower-power mode of one or more second image sensors to a power-off mode or an additional lower-power mode having a lower power consumption than the lower-power mode; and capturing, using the first image sensor, an image of the ROI.
US11381742B2 Optical apparatus, image pickup apparatus, and driving method of optical apparatus
An optical apparatus attachable to an image pickup apparatus and switchable a power state between a first state and a second state that consumes a power less than the first state includes a driver that drives a driven member, a first detector configured to detect a driving amount of the driver or whether the driven member is located at a predetermined position, a memory that stores a signal value of the first detector when the power state of the optical apparatus is switched from the first state to the second state, and a determiner that determines that the driver is in an abnormal state when the signal value stored in the memory and the signal value of the first detector when the power state of the optical apparatus is switched from the second state to the first state are different from each other.
US11381738B2 Method for a mobile device to photograph a panoramic image, mobile device, and computer readable storage medium and computer product
A method for a mobile device to photograph a panoramic image includes: photographing, by a camera in the mobile device, a first image at a first time, and sensing, by a sensor in the mobile device, a first directing vector when the camera photographs the first image; sensing, by the sensor, an actually measured directing vector of the camera at a second time; photographing, by the camera, a second image, and sensing, by the sensor, a second directing vector when the camera photographs the second image, in case that a first trigger photographing threshold or a second trigger photographing threshold is reached; determining whether a photographing stop condition is satisfied, in case that the photographing stop condition is satisfied, generating a panoramic image based on the images photographed by the camera.
US11381736B2 Image capture apparatus and control method
An image capture apparatus performs control such that when an approaching to a finder is not made, a touch operation with an area that is less than a first threshold on the touch operation surface is validated, and a touch operation with an area that is not less than the first threshold on the touch operation surface is invalidated, when the approaching to the finder is made, the touch operation with the area that is not less than the first threshold on the touch operation surface is validated even if the touch operation has the area that is not less than the first threshold on the touch operation surface.
US11381733B2 Information processing apparatus, image capturing system, method of controlling image capturing system, and non-transitory storage medium
A camera platform apparatus (102) sequentially moves an image capturing direction of an image capturing apparatus (101) with respect to an object to be inspected. The image capturing apparatus (101) acquires a captured image of each section of the object by performing image capturing in each image capturing direction. A computational operation apparatus (103) records a focus control position for each section of the object whose image is captured by the image capturing apparatus (101) in each image capturing direction. In a case where AF is not successful when image capturing is performed on a section whose image is not yet captured, the computational operation apparatus (103) sets an allowable range of the focus control position for the section for which the AF is not successful based on the recorded focus control positions, and the computational operation apparatus (103) controls the image capturing apparatus (101) to perform focus BLK image capturing within the set range.
US11381730B2 Feature-based image autofocus
Methods, systems, and devices for feature-based image autofocus are described. A device may perform an autofocus procedure that includes determining a set of features based on determining a feature region associated with an image. The device may generate a feature weight map based on the set of features and estimate a direction of a target feature in the feature region. The device may generate a direction weight map that corresponds to the feature region. The device may determine a focus position of the image based on the generated feature weight map and the estimated direction of the target feature and perform an autofocus operation on the determined focus position of the image. The device may calculate a focus value based on the feature weight map, and the focus position of the image may be based on the focus value.
US11381729B1 Systems, methods, and apparatuses for focus selection using image disparity
Embodiments of the disclosure relate generally to automatic focus selection in a multi-imager environment. Embodiments include methods, systems, and apparatuses configured for capturing by a first image sensor, a first image of a visual object with a background associated with a subject. A characteristic difference between the visual object in the first image and the background in the first image is determined and a distance determination mode is selected based on the determined characteristic difference. Accordingly, a distance to the subject is calculated based on the selected distance determination mode and a second image sensor is controlled to capture a second image of the subject, based on the calculated distance to the subject.
US11381725B2 Electronic devices and method for controlling camera module
An electronic device and a method for controlling a camera module are provided according to implementations of the present disclosure. The electronic device includes a housing, a camera module, a pushing mechanism, and a reversing mechanism. The camera module disposed in the housing. The pushing mechanism is configured to drive the camera module to move from an inside of the housing to an outside of the housing. The reversing mechanism is configured to reverse the camera module when the camera module is moved to the outside of the housing.
US11381724B2 Camera module
The exemplary embodiment of the present disclosure relates to a camera module including a bobbin, a housing positioned at an outside of the bobbin, an elastic member coupled to the bobbin and the housing, a foreign object exhaust passage concavely formed at an upper surface of the housing, and an opening formed at the housing to open at least a part of the foreign object exhaust passage to an inside of the housing, wherein the foreign object exhaust passage is overlapped on at least a part of the housing-coupled elastic member to a vertical direction, whereby it is easy to wash foreign objects positioned between an elastic member and a housing to reduce an auto focus tilt defects generated after assembly.
US11381723B2 Plenoptic integral imaging light field, full-focus, single-element volumetric capture lens and system
An apparatus and system for an image capture device that captures images utilizing a lens made of a plurality of lenslets that each capture an image. Utilizing information of the lenslets and range of view of the lenslets, the system can modify the image being captured to capture information chosen by a user and ignore other image information. For example, the system can chose a particular distance for object capture, pan/tilt/zoom information, focal length information, depth of field information, or the like. Other embodiments are described herein.
US11381721B2 Multi-lens camera and lens adjusting device therefor
A lens adjusting device for a multi-lens camera, comprising: a first holder and a second holder, which is provided on the first holder and is configured for mounting a lens; wherein, the second holder is rotatably cooperated with the first holder and can rotate in a direction parallel to a support plane of the first holder; one of the support plane of the first holder and a surface on the second holder opposite to the support plane is provided with a plurality of first toothed slots, and the other is provided with a first engaging teeth, and the first engaging teeth is elastically engaged with the first toothed slots in the rotation direction of the second holder. The solution above can solve current issues that operation is complex and adjustment efficiency is low existed in adjustment of a lens in P direction by a multi-lens camera.
US11381718B2 Camera module and vehicle camera
An embodiment of the present invention relates to a camera module comprising: a housing comprising a through hole; a lens module disposed in the through hole; a connector penetrating the housing and extending to an outside from an inside of the housing; a first substrate unit located inside the housing and having an image sensor mounted thereon; a second substrate unit disposed inside the housing and connected to the connector; and a flexible substrate for electrically connecting the first substrate and the second substrate unit, wherein the flexible substrate is coupled to a lower surface of the first substrate unit and a side surface of the second substrate.
US11381717B2 Camera module with imaging sensor and light emitter
A camera module includes an imaging sensor, a light emitter, and a circuit board. The circuit board includes first and second rigid printed wiring boards, and a foldable flexible printed wiring board connecting the two. A surface of the first rigid printed wiring board on which the imaging sensor is mounted has a holder which is configured to hold the second rigid printed wiring board in a state in which a surface of the second rigid printed wiring board on which the light emitter is mounted and the surface on which the imaging sensor is mounted face the same direction. The holder is arranged at a position which is different from the imaging sensor, and holds the second rigid printed wiring board at a height higher than the surface of the first rigid printed wiring board.
US11381705B1 Method and apparatus to add annotations to an image
A method is disclosed. For example, the method is executed by a processor of a multi-function device (MFD) and includes receiving a desired transparency level for an annotation image to be added to a canvas image, applying a transparency factor based on the desired transparency level to a transparency output function and an opaque output function to calculate an output value for each pixel of the canvas image that overlaps a pixel of the annotation image in a color space associated with the MFD, and generating an annotated canvas image that includes the output value that is calculated for each pixel of the canvas image that overlaps the pixel of the annotation image.
US11381703B2 Light scanning apparatus and image forming apparatus
Provided is a light scanning apparatus including a deflector deflecting a light flux to scan a scanned surface, and an imaging optical element including an optical surface and guiding light flux from deflector to scanned surface. The light scanning apparatus causes a first marginal ray on a side closer to a first deflection point on deflector in a first cross section including first deflection point and being perpendicular to a main scanning section and a sub-scanning section, the first marginal ray being included in an on-axis light flux reflected by the optical surface after being deflected at first deflection point, to travel toward a position spaced apart from first deflection point in a sub-scanning direction by 4 mm or more in first cross section. A sub-scanning width of on-axis light flux on first cross section is smaller than a sub-scanning width of on-axis light flux on optical surface.
US11381700B1 Image forming apparatus and return control method for returning each part from energy saving state by determining usage status of function by user
Provided is an image forming apparatus that determines the usage status of a function by a user and improves power consumption efficiency. The image forming apparatus is capable of switching between an energy saving mode and a normal mode in which power consumption is larger than that of the energy saving mode. The power supply control unit determines whether or not power is supplied depending on the usage status of the function by the user. The power supply control unit controls the power supply of the operation panel unit, the document reading unit, and the image forming unit to be turned on or off, respectively, when returning from the energy saving mode to the normal mode according to the determination.
US11381696B2 Image processing apparatus and non-transitory computer readable medium
An image processing apparatus includes a selector and an instructor. The selector selects an image. The instructor provides an instruction if an aspect ratio of the selected image exceeds a maximum ratio of a range of predetermined aspect ratios. The instruction is an instruction to remove an end portion of the selected image in a width direction so that the aspect ratio of the selected image will be contained within the range of the predetermined aspect ratios. The instructor also provides an instruction if the aspect ratio of the selected image is smaller than a minimum ratio of the range of the predetermined aspect ratios. The instruction is an instruction to add a margin to an end portion of the selected image in the width direction so that the aspect ratio of the selected image will be contained within the range of the predetermined aspect ratios.
US11381693B2 Multi-purpose/multi-function portable electronic device
A multi-function/multi-purpose portable electronic device is disclosed. In one aspect, the device may include a display monitor configured to display an image and a scanner disposed below the display monitor and extending to cross the display monitor, the scanner not directly contacting the display monitor. The device may also include a base configured to support the scanner, the base including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, the first portion at least partially vertically overlapping the display monitor and the scanner. The device may further include a speaker disposed only in the second portion of the base. The device may also include a connector physically interconnecting the base and the display monitor to support the display monitor, at least a portion of the connector vertically overlapping the second portion of the base.
US11381690B2 Machine learning device including a state variable acquisition unit, a teaching data acquisition unit and a learned model generation unit that generates a first learned model by performing machine learning based on a first state variable dataset and first teaching data and generates a second learned model by performing machine learning based on a second state variable dataset and second teaching data
A machine learning device according to an embodiment may include: a state variable acquisition unit that acquires first and second state variable datasets including print results performed at first and second printing speeds respectively by an image formation apparatus; a teaching data acquisition unit that acquires first and second teaching data corresponding to the first and second printing speeds; and a learned model generation unit that generates a first learned model by performing machine learning based on the first state variable dataset and the first teaching data, and generates a second learned model by performing machine learning based on the second state variable dataset and the second teaching data. Each of the first and second state variable datasets includes: feature value information; medium information; and first control information. Each of the first and second teaching data includes: second control information; and a print defect value.
US11381680B1 Call status effects
Techniques are described that update a caller on call progress status using various effects based on a likelihood that the call will connect with the callee, and/or a likelihood that the caller will prematurely terminate the call. In some examples, a machine-learned model may determine a likelihood that a call will connect based on conditions associated with the callee. In some cases, a machine-learned model may determine a likelihood that a call will be prematurely terminated by the caller based on conditions associated with the caller. Animations, haptic outputs, sounds, and/or other content may be used to indicate likelihood of the call connecting to the caller.
US11381679B2 Management of media content associated with call context on mobile computing devices
A method may include receiving an indication of a call from a caller who is not a participant in a sender-controlled media (SCM) platform to a recipient who is a participant, using caller ID information to gather content pertaining to the caller (e.g., from data stores of the platform and public number search information), generating a SCM data structure based on the gathered content, and delivering the SCM data structure to a call-originating device. In another aspect, a method may include gathering call context for an active call, and developing an understanding of one or more of a call intent, a call participant, and a participant action based on content exchanged between the caller and recipient. Content suggesting algorithms may then determine candidate items of content relevant to the participants of the call for presentation to at least one of the caller and the recipient during the call.
US11381668B2 Methods, devices, and systems for determining a subset for autonomous sharing of digital media
Methods, systems, and devices for determining a subset of users from among a set of users based on a set of received information associated with a photograph, where the disposition of the information is used to first determine the subset and then perform facial recognition on the subset of photographs for each user in order to accurately identify each user or users present in the photograph.
US11381667B1 Methods and systems for implementing a regionally contiguous proxy service
System and method for efficiently implementing scalable, highly efficient decentralized proxy services through proxy infrastructures situated in different geo-locations. In one aspect, the systems and methods enable users from any geographical location to send requests to the geographically closest proxy infrastructure. One exemplary method described allows proxy infrastructures to gather, classify, and store metadata of exit nodes in its internal database. In another aspect, systems and methods described herein enable proxy infrastructures to select metadata of exit nodes from its internal database and forward requests from a user device to respective proxy servers or proxy supernodes to which the selected exit nodes are connected.
US11381665B2 Tracking client sessions in publish and subscribe systems using a shared repository
Examples of techniques for tracking client sessions in a publish and subscribe system using a shared repository are described herein. An example system includes a processor of a server to receive a connection request with a client identifier from a client a predefined policy for duplicate client sessions. The processor is to query a shared repository of the system using the client identifier. The processor is to also execute a set of actions based on the predefined policy, a query result including a detected duplicate client session from the shared repository, and a set of parameters.
US11381664B1 Systems and methods for communicating messages between web and non-web services
In an example, a system can include a web service interface (WSI) and a service directory for enabling communication between a web and non-web service. The WSI can be configured to communicate with the non-web service to receive reader data and/or writer data. The service directory can be configured to provide the WSI with non-web service subscriber data and/or non-web service publisher data for the non-web service in response to receiving the reader and/or writer data. The non-web service subscriber data identifies a web service as a subscriber of data provided by the non-web service and the non-web service publisher data identifies the web service as a publisher of data from which the non-web service is enabled to retrieve data. The WSI can be configured to provide the web service subscriber and/or publisher data to the non-web service to enable the non-web service to communicate with the web service.
US11381659B2 Reality-augmented morphological procedure
Data representative of a physical feature of a morphologic subject is received in connection with a procedure to be carried out with respect to the morphologic subject. A view of the morphologic subject overlaid by a virtual image of the physical feature is rendered for a practitioner of the procedure, including generating the virtual image of the physical feature based on the representative data, and rendering the virtual image of the physical feature within the view in accordance with one or more reference points on the morphologic subject such that the virtual image enables in-situ visualization of the physical feature with respect to the morphologic subject.
US11381657B2 Enhanced file sharing systems and methods
A computer system is provided. The computer system can include a memory, a network interface, and at least one processor coupled to the memory and the network interface. The at least one processor can be configured to identify a file to provide to a computing device; predict a geolocation at which the computing device is to request access to the file; predict a network bandwidth to be available to the computing device at the geolocation; determine, based on the file and the network bandwidth, a first portion of the file to store in a cache of the computing device; and download, via the network interface, the first portion of the file to the cache.
US11381656B2 Service layer message templates in a communications network
The concept of a service layer message template is introduced, which may be a request template or a response template. Message templates may be created and stored at the service layer. Each message template may contain a set of request or response parameters and their values. Once in place, an application can send a request to the service layer that does not include the request parameters contained in the message template (i.e. request template); instead, a message template identifier may be sent. Since request parameters are included in the message template and stored at the service layer, communication overhead between the service layer and the application (or another service layer) may be reduced.
US11381653B2 System and method for scalably tracking media playback using blockchain
Systems and methods for tracking media file playback are provided. A request to upload a media file and metadata associated with the media file is received. Next, the media file and metadata is uploaded via a blockchain protocol. Next, a request to play the media file is received from a client device or a digital service provider (DSP) platform. The request to play the media file is validated via the blockchain protocol. Upon validating the request to play the media file, the media file is transmitted for playback at the client device or DSP platform. Last, the number of times the media file is played is tracked via the blockchain protocol.
US11381651B2 Interpretable user modeling from unstructured user data
Methods and systems are provided for generating interpretable user modeling system. The interpretable user modeling system can use an intent neural network to implement one or more tasks. The intent neural network can bridge a semantic gap between log data and human language by leveraging tutorial data to understand user logs in a semantically meaningful way. A memory unit of the intent neural network can capture information from the tutorial data. Such a memory unit can be queried to identify human readable sentences related to actions received by the intent neural network. The human readable sentences can be used to interpret the user log data in a semantically meaningful way.
US11381650B2 System and server for analyzing and integrating data collected by an electronic device
A system for analyzing data received from at least one mobile electronic device comprises a mobile electronic device and a server. The mobile electronic device includes a sensor configured to collect video, audio and/or imagery data, and the mobile electronic device is configured to initiate collection of data based on a command from a user of the mobile electronic device. The server includes a receiver configured to receive the video, audio and/or imagery data collected by the sensor of the mobile electronic device and a processing system. The processing system of the server includes a processor and is configured to, when a condition is met in accordance with a rule established on the server, issue a command to turn on the sensor of the mobile electronic device and enable the mobile electronic device to transmit the video, audio and/or imagery data collected by the sensor to the server, without any input by the user of the mobile electronic device. In addition, the video, audio and/or imagery data are collected by the sensor at a location of the mobile electronic device.
US11381646B2 Remote management for a computing device
Examples are disclosed for remote management of a computing device. In some examples, a secure communication link may be established between a network input/output device for a computing device and a remote management application. Commands may be received from the remote management application and management functions may be implemented at the network input/output device. Implementation of the management functions may enable the remote management application to manage or control at least some operating parameters of the computing device. Other examples are described and claimed.
US11381645B2 Internet of things configurable event and action sequencing framework
Internet of Things (IoT) configurable event and action sequencing mechanisms for interconnecting various IoT events together to achieve an event and action sequencing process that may efficiently enable complex uses of the data available in IoT systems.
US11381643B2 System and method for monitoring a work situation
The application relates to a system for monitoring a working situation, said system comprising at least one mobile sensor unit, at least one communication node, at least one sensor node which is formed by the communication node or is provided additionally to this, and a central evaluation unit. The at least one mobile sensor unit comprises at least one sensor for measuring at least one first physical variable which is suitable for describing an activity or a state of an individual carrying the mobile sensor unit, a transmitter for the wireless transmission of measurement values of the at least one first physical variable, which are detected by the at least one sensor of this mobile sensor unit, to the at least one sensor node. The at least one sensor node comprises at least one sensor for measuring at least one second physical variable which is suitable for describing a state of an environment of the sensor node. The at least one communication node comprises a receiver for receiving the measurement values of the at least one first physical variable which are transmitted by the transmitter of the mobile sensor unit, and a communication unit for transmitting the measurement values of the at least one first physical variable which are received by the receiver of this communication node and measurement values of the at least one second physical variable, which are detected by the at least one sensor of the sensor node, to the central evaluation unit. The application further relates to a method for use of the system.
US11381641B2 Granular entry self-healing
A processing device of a client of a distributed file system receives a file operation request, requests creation of a plurality of entries, wherein each entry of the plurality of entries is created in a corresponding file index in each of a set of servers in the DFS, the plurality of entries corresponding to replicas of directories and one or more files that are a subject of the file operation, each entry of the plurality of entries having a unique identifier, and requests performance of the file operation by each server in the set of servers of the DFS. The processing device further receives zero or more confirmations from the set of servers, each received confirmation corresponding to an indication that the file operation was completed by a corresponding server in the set of servers. Responsive to each of the zero or more confirmations, the processing device sends a request to a respective server to clear a respective entry from the file index corresponding to a respective confirmation. Responsive to a reboot of a first server in the set of servers, a processing device of the first server to automatically process the file index on that server by performing a corresponding file operation for each entry in the file index, wherein performing the corresponding file operation includes requesting a copy of a file indicated by each entry from a replica in the set of servers.
US11381639B1 Load balancing technique selection based on estimated load
Request routing in a network of computing devices. Back-end nodes associated with a request router send load reports to request routers. To select a back-end node for processing a request, a request router determines, based on the reports, estimated loads and corresponding errors of the estimated loads for respective nodes. A load balancing technique may be selected, based on the estimated loads and corresponding errors (e.g., round robin may be selected if the significance of an average error outweighs the difference between estimated load values for the nodes, or least estimated load may be selected of the difference between load values is greater than the average error). The selected technique is applied to choose one of the nodes to process the request. Load probability distribution may also be used for request routing, in combination with or separate from the selection based on the estimated loads.
US11381638B1 System and method for parallel execution of activites in an integration flow
Systems and methods for parallel execution of activities in an integration flow. Systems and methods are provided for determining one or more points within an integration orchestration where downstream activities can be executed in parallel and/or asynchronously with the main flow of the integration orchestration.
US11381633B2 Multimedia file upload
A method of handling multimedia data in which packets of a multimedia file from a first computer are received by a second computer. In case, a sub-portion of the multimedia file, representative of the multimedia file, was received by the second computer, before the entire file was received by the second computer, that sub portion is handled by the second computer transmitting to the first computer, although the entire file was not received by the second computer at the time of the transmission of the result. Additionally, an image processing server is described comprising: a network interface adapted to receive packets, a communication manager adapted to manage reception of multimedia files through the input interface and to conclude when a sub-portion of a multimedia file, representative of the multimedia file received, and an image handling unit configured to handle said sub-portions.
US11381632B2 Method and system for transferring data
Systems, methods and computer programs for transferring data in a communication system are described. The communication system has a first node arranged to send data to a plurality of second nodes using a first protocol. The first protocol allows the transfer of data of a first type. At least one of the second nodes additionally requires data of a second type, which is not included in the data sent according to the first protocol. First data, of the first type, is transferred to a plurality of the second nodes using the first protocol. Second data, of the second type, is stored in a memory. Subsequently, in response to a request, access to the second data is provided to the second node.
US11381625B2 Apparatus and method for transmitting multimedia data in hybrid network
An apparatus and a method for transmitting multimedia data in a hybrid network are provided. The apparatus includes a payload part including at least one of first data synchronized according to a time to be reproduced and second data other than the first data, a first header part including information on the payload part, a packet part for generating a packet, the packet part including a second header part including information on the packet, and a transceiver for generating and transmitting a signal including the payload part, the first header part, and the packet part to the hybrid network.
US11381624B1 System and method for user video chats with progressively clearer images
A system and method provides a video chat capability where the video portion of the chat is initially impaired, but gets progressively clearer, either as time elapses, or as the users speak or participate with relevant information.
US11381622B2 Method and apparatus for media data delivery control
A method and apparatus control receiving media data in a transmission system. A method of operating a receiving entity in the transmission system includes receiving packets for media data and information about a fixed delay associated with the media data. The method also includes identifying a requirement configured to guarantee that the packets for the media data are delivered to an upper layer of the receiving entity after the fixed delay, from the information about the fixed delay. The method further includes identifying a buffer size requirement for the receiving entity estimated based on the fixed delay and bitrate information associated with the media data; and delivering the packets to the upper layer of the receiving entity.
US11381617B2 Failure recovery for cloud-based services
The technology disclosed relates to failure recovery in cloud-based services. In particular, the technology disclosed relates to a service instance BA that identifies a service instance BB as having a secondary role for packets carrying a stream affinity code which is specified in a service map distributed to service instances. Service instance BA state information is synchronized with the service instance BB after processing a first packet. After failure of the service instance BA, a service instance AA receives an updated service map, and prepares to forward to the service instance BA a second packet. The second packet includes a same stream affinity code as the first packet forwarded before the failure. The updated service map is used to determine that the service instance BB is available and servicing the same stream affinity code as the service instance BA. The second packet is forwarded to the service instance BB.
US11381616B2 Multimedia management system and method of displaying remotely hosted content
A multimedia management system includes a multimedia device and a backend server. The multimedia device includes a memory programmed with a mobile application, a processor module, a wireless communication module configured to communicate over a wireless communication link, and a first multimedia device configured to capture a first video or image and a second video or image and store it as first multimedia content and second multimedia content. The mobile application is configured to transmit the first and second multimedia content over the wireless communication link via the wireless communication module. The backend server is communicably coupled to the multimedia device via the wireless communications link and configured to execute a persistent internet accessible request protocol for receiving, updating, and storing transmitted videos. The multimedia management system is useful for hosting and remotely managing multimedia content.
US11381613B2 Accessing content items for meetings through a desktop tray
Systems and methods for creating and accessing content items are provided. In some examples, a method can include receiving a user selection of an interface element located in a persistent user interface of an operating system desktop of a client device associated with a user account, identifying, based on a query to a meeting service, a meeting associated with the user account, displaying, in response to the user selection of the interface element, a set of user options for the meeting, the set of user options comprising an option to access a content item for the meeting, receiving a user selection of the option to access the content item for the meeting, and accessing, in response to the user selection, the content item.
US11381611B2 Managing engagements in interactive multimedia sessions
Introduced here are session management platforms able to facilitate multimedia sessions that involve host(s) and user(s). A session management platform may enable multimedia communication between the host(s) and a participating user. The users may be added into positions in a priority queue, where the priority queue may represent an order of users to be used to select a given user for participation in the multimedia session. Upon termination of a session between the host(s) and a first participating user, the priority queue may be updated to remove the first participating user from the queue and a second participating user is selected. The multimedia session may enable multimedia communication between the host(s) and the second participating user based on the second participating user being selected.
US11381607B2 IMS user registration method and device
Disclosed are an IMS user registration method and device. The method comprises: after an HSS receives a registration request of a user terminal having no authentication data, acquiring configuration information of the user terminal; obtaining an authentication verification code ResponseHSS by using a random number and an attribute identifier of the user terminal, wherein the attribute identifier comprises an IMSI, an IMEI and an IMS identifier; sending the random number to the user terminal, and receiving a response verification code Response fed back by the user terminal; and determining whether the Response is the same as the ResponseHSS, and if so, sending the registration request to an application server to carry out registration of the user terminal. The technical problem in the prior art of greatly affecting the security of an enterprise network due to the fact that a device used by an IMS user cannot be controlled is solved.
US11381606B2 System and method for using software defined networking in internet protocol multimedia subsystems
Software Defined Networking (SDN) is used in IMS in order to provide a mechanism to forward (Internet Protocol) IP packets and provide a simplified solution to the complex signaling path of IMS according to directives from an SDN Controller. SDN is used in at least three particular scenarios. In the first scenario, communications are simplified using SDN directed signaling disaggregation. In the second scenario, SDN is used to direct media function chaining. In the third scenario, the system can be used as an SDN based media relay.
US11381599B2 Cyber chaff using spatial voting
A method of generating cyber chaff can include determining a cell of a grid of cells to which a first feature and a second feature of user data maps, identifying a cell type of the cell, the cell type indicating whether the cell is an active cell, an inactive cell, or a sub-process cell, and providing cyber chaff based on cyber chaff data associated with either (a) one or more cells of the inactive cell type or (b) one or more cells of the sub-process cell type.
US11381598B2 Phishing detection using certificates associated with uniform resource locators
A method for phishing detection using certificates associated with uniform resource locators (URLs) is discussed. The method includes accessing certificate portions of a certificate associated with a suspect URL, the certificate accessed at a database that includes certificates obtained by monitoring certificate logs. The method includes accessing a URL score for the suspect URL. The method includes assigning a certificate rule score based on partial certificate scores of certificate portions, the certificate rule score indicating a phishing potential for the certificate, each of the partial certificate scores indicating a likelihood of phishing of each portion based on certificate rules. The method includes using a machine learning model based on the URL score and the certificate to determine a uniqueness certificate score. The method also includes determining a phishing certificate score based on the certificate rule score and the uniqueness certificate score for the certificate.
US11381596B1 Analyzing and mitigating website privacy issues by automatically classifying cookies
Analyzing and mitigating website privacy issues by automatically classifying cookies. In some embodiments, a method may include identifying a cookie for a website, obtaining a cookie generation flow related to generation of the cookie, obtaining a cookie sharing flow related to sharing of the cookie, extracting features related to the cookie generation flow and the cookie sharing flow, determining flow patterns in the cookie generation flow and the cookie sharing flow, automatically creating a stratified classification for the cookie based on the features and the flow patterns that explains how the cookie interacts with a website and with third-party resources loaded on the website, determining whether the stratified classification for the cookie exceeds a weighted suspiciousness threshold value, and in response to determining that the stratified classification for the cookie exceeds the weighted suspiciousness threshold value, determining that the cookie is suspicious and initiating a security action on the cookie.
US11381594B2 Denial of service detection and mitigation in a multi-access edge computing environment
A device includes a processor and a memory. The processor effectuates operations including monitoring enterprise network traffic associated with one or more user equipment (UE). The processor further effectuates operations including comparing the enterprise network traffic to a UE profile associated with each of the one or more UE. The processor further effectuates operations including determining whether the comparison indicates that a predetermined threshold has been exceeded. The processor further effectuates operations including in response to the indication that the predetermined threshold has been exceeded, generating an alert, wherein exceeding the predetermined threshold is indicative of a denial of service attack on an enterprise network or an attempt to remove enterprise data via the one or more UE.
US11381592B2 System and method for identifying cybersecurity threats
The invention relates to a computer-implemented system and method for automatic collection, analysis and reporting of data relating to a cybersecurity threat. The method may comprise the steps of: presenting an interface through which an executable can be configured and automatically generated; transmitting the executable to a client to enable the client to execute the executable on client systems to automatically collect forensic data; receiving from the client an encrypted data package that includes the forensic data; using a forensic toolset to automatically analyze the forensic data; presenting an option to select one or more of at least two types of output reports designed for different types of readers; inputting the analysis files into an automatic report generator to automatically generate the types of output reports selected by the client; and sending the output reports selected by the client to the client.
US11381590B2 Predicting false positives from vulnerability scanners using data analytics and machine learning
A method and system for remediating a vulnerability in a first computing resource asset in a computer network, including receiving vulnerability scanning results data from each respective one of a plurality of diverse vulnerability scanners, storing the vulnerability scanning results data as a collection of vulnerability scanning results data, normalizing and extracting common features from the normalized data, vectorizing the common features to determine feature vectors, applying a false positive predictor model to predict a false positive, separating vulnerability scanning results data that corresponds to one or more predicted false positives from a remainder of the collection of vulnerability scanning result data, and sending the remainder of the collection of vulnerability scanning results data to a second computer resource asset.
US11381583B1 Systems and methods for detecting anomalous system or network behavior
A system and associated methods for the detection of anomalous behavior in a system. In some embodiments, time-series data that is obtained from the system (such as log data) may be used as an input to a process that converts the data into greyscale values. The greyscale values are used to construct an “image” of the system operation that is used as an input to a convolutional neural network (CNN). The image is used to train the neural network so that the neural network is able to recognize when other input “images” constructed from time-series data are anomalous or otherwise indicative of a difference between the prior (and presumed normal or acceptable) and the current operation of the system.
US11381579B2 Identifying fraudulent requests for content
One or more computing devices, systems, and/or methods for determining whether requests for content are fraudulent are provided. A request for content may be received from a first device. A first user profile associated with the first device may be identified. The first user profile may comprise activity information associated with the first device, demographic information associated with the first device and/or interest information associated with the first device. A user profile database may be analyzed to identify a set of user profiles similar to the first user profile. A relevance score associated with the request for content may be generated based upon the resource, the set of user profiles and/or the first user profile. The relevance score may be compared with a threshold relevance to determine whether the request for content is fraudulent.
US11381576B2 Multi-factor authentication
A method is disclosed in which one or more pieces of first authentication information are obtained. The one or more pieces of first authentication information represent at least one piece of unique information associated with a user and/or an electronic device of the user. A trust level is determined based, at least in part, on the one or more pieces of first authentication information. The trust level value is indicative of a level of trust in the one or more pieces of first authentication information. An according apparatus, computer program, and system are also disclosed.
US11381575B2 Controlling access to resources of edge devices
Systems and methods for controlling an edge computing device. The method includes, receiving a user input requesting access to a resource of the edge computing device, determining whether the user has privileges to access the resource by: formulating a claims request which requests claims based on the determined identity of the user, sending the claims request to a local claims provider agent executed by a processor of the edge computing device, determining, based on claim request handling factors, whether the local claims provider agent can generate a token including the requested claims, and if so, generating the token with the requested claims; if not, a request may be sent to a cloud service-side claims provider to receive the token. The method includes authorizing access to the resource based on a predetermined policy that specifies the presence of a predefined resource parameter in the requested claims is sufficient.
US11381567B2 Execution of an application within a scope of user-granted permission
Executing an application within a scope of user-granted permission in a decentralized network that implements a distributed edger. First, receiving a request from an entity for using data stored in a data storage that is associated with a DID owner as one or more inputs of an application associated with the entity to generate one or more results. Next, one or more characteristics of the application associated with the entity is identified. Based on identified one or more characteristics, a scope of permission to access the requested data that is to be granted to the entity is determined. Then, the scope of permission is granted to the entity to use the data as the one or more inputs of the application associated with the entity. Finally, the one or more results from the application is received.
US11381564B2 Resource security integration platform
A resource security integration platform may be configured to establish API integration between software applications and various APIs. The security platform may be configured to register for authorization with multiple APIs in order to communicate with those API such that so that the source applications do not need to authenticate or communicate with the API themselves. A source request is received from a source system including an indication of a resource and an address of an application programming interface of a destination system. A definition of the application programming interface is determined based on the address. Authorization for accessing the destination system is obtained using the definition. Then an interface request message is generated and sent it to the destination system using the authorization. The interface response message is received from the destination system and response data based on the interface response message is sent to the source system.
US11381563B1 Automated methods and systems for granting complex permissions
A permissions management system (PMS) defines the permissions associated with a user and thereby the activities the user can perform with any specific object and/or application or class of objects and/or applications. However, such a PMS requires an administrator to either authorise each permission individually or default permissions to a configuration previously established. The former is time consuming and the latter does not eliminate the former in establishing the roles initially or new roles or custom configurations. According, methods and systems for automating the establishment of permissions and their ongoing maintenance are presented based upon an initial discovery phase of actions performed by either the user or an administrator followed by an automated harmonization phase and a verification phase. This verification phase may employ human interactions or be automated exploiting an artificial intelligence engine.
US11381560B2 Embedding credentials in network addresses
A technique for embedding and utilizing credentials in a network address may include requesting a network address for a client device by providing an account identifier to a server computer associated with a service provider. A network address that is mapped to the account identifier can be assigned to the client device. The network address may include a routing prefix field and a network interface identifier field. The routing prefix field may include an issuer identifier of an issuer of the account, and the network interface identifier field may include an interface identifier that maps to the account identifier. By embedding credentials such as an account identifier in the network address, the actual account identifier need not be transmitted to perform actions on the account.
US11381557B2 Secure data transmission using a controlled node flow
The disclosed embodiments relate to securely transferring data between a source node and a destination node using an application whitelist. A control flow may be established between a source node and a perimeter gateway. the perimeter controller may receive a request to establish a node flow between an application executing on the source node and the destination node. the perimeter controller may determine whether the first application is included in an application whitelist that includes applications allowed to transfer data to nodes in a private network via a node flow. A node flow between the source node and destination node may be established upon determining that the first application is included in the application whitelist to facilitate secure data transfer between the source node and destination node.
US11381555B2 State token based approach to secure web applications
Techniques for securing a single page application (SPA) are provided. An API server that receives an API call from an SPA to navigate a first user to a first state of the SPA navigates the first user to the first state of the SPA and generates a first token indicating that the first user has accessed the first state of the SPA. When the API server receives a request from the first user to navigate to a second state of the SPA (the request including the first token), the API server verifies that the first token indicating that the first user has accessed the first state of the SPA is valid for the second state of the SPA before navigating the first user to the second state of the SPA. Additionally, the API server expires the first token upon navigating the first user to the second state of the SPA.
US11381550B2 Account management using a portable data store
Disclosed are various embodiments for account management using a portable data store. In one embodiment, an authentication client is stored in a portable data store. In response to receiving a master security credential from the user, the authentication client decrypts encrypted account data stored in the portable data store. The authentication client detects that a network site is being accessed. The authentication client automatically provides a corresponding security credential to the network site.
US11381546B2 Method for securing an interceptible call end-to-end
In order to secure interceptible calls end-to-end, an intermediate MIKEY server is used to allow an intermediate SIP server to communicate with a key-management server. The intermediate SIP server intercepts call elements when a call is initialized among a plurality of terminal devices. The intermediate SIP server supplies these intercepted elements to the intermediate MIKEY server, which then establishes a dialogue with the key-management server on the basis of these elements. The result of this dialogue is sent back to the intermediate SIP server, which records same as call metadata allowing direct or deferred use of the call content.
US11381540B2 Tracking premature events in electronic message processing
Disclosed are some implementations of systems, apparatus, methods and computer program products for tracking electronic mail (email) events. Upon generating an email, a database entry including an email identifier associated the email is stored. A notification received from a client device is processed, where the notification indicates that the email associated with the email identifier has been opened. Responsive to processing the notification, the database entry associated with the email is identified using the email identifier and event information of the database entry is stored or updated to indicate that the email has been opened. The database entry associated with the email identifier is updated to include attributes of the email, where the attributes include a recipient identifier identifying a recipient of the email. Status information associated with the email may be provided using the database entry, where the status information indicates that the recipient has opened the email.
US11381538B2 Electronic system and method for facilitating sound media and electronic commerce by selectively utilizing one or more song clips
A system and method permit users to selectively search for, and identify short segments (called snippets) of music. The user may enter one or more search terms for which they are searching within a database of musical selections. Once the search terms have been defined, the user initiates the search by selecting the search button. The system searches for one or more of the musical selections that most closely match the user's search parameters, and returns those musical selections as search results back to the user. The user then selects one of the results of the search that they like best. Once the selection is made, the user may input recipient information for the person to which they would like to send this musical selection. This musical selection may then be sent to the recipient by the system.
US11381536B2 Mobile notifications for comment threads
A document system tracks activity within comment threads associated with portions of a stored document. When activity is detected within the document, the document system generates a corresponding notification for display by a client device within a notification interface. The notification interface displays one or more notifications, each associated with activity in documents stored by the document system, and orders the notifications by document, by date, by filter, or any other suitable factor. The user may assign a priority to each document or folder such that notifications associated with documents or folders with a higher priority are displayed before those associated with a lower priority. The notifications may include portions of comment threads, and a user can reply to a comment thread via a response element of the notification interface. The user's reply is incorporated into the comment thread and stored by the document system.
US11381533B1 Intelligent determination of whether to initiate a communication session for a user based on proximity to client device
A client device receives a request to initiate a communication session with a particular user of a first plurality of users that are registered with the client device. The client device determines, using a sensor of the client device, a respective identity of each of a second plurality of users that are proximate to the client device. The client device determines whether an identity of the particular user matches the respective identity of any of the second plurality of users, and, in response to determining that the identity of the particular user matches the respective identity of any of the second plurality of users, the client device transmits the request to a device of the particular user.
US11381529B1 Chat communication support assistants
Disclosed in some examples are methods, systems, and machine-readable mediums which provide for an agent support application with a plurality of plug-in communication support assistants. Each of the plurality of plug-in communication support assistants monitors communications between the agents and customers for different conversational triggers. Conversational triggers may be any conversation, either by the agent or the customer, that the communication support assistant is trained to detect. Upon detecting one of these conversational triggers, the plug-in communication support assistant provides one or more suggestions to the agent.
US11381528B2 Information management apparatus and information management method
An information management apparatus includes a memory configured to store view histories of information relating to inquiry information including identifiers of users and contents of inquiries, and a processor coupled to the memory and the processor configured to perform extraction of a first view history of a first user from the view histories in response to receiving first inquiry information including an identifier of the first user and a content of a first inquiry, perform, based on the content of the first inquiry, determination of whether the first view history of the first user includes first information relating to the first inquiry information, and perform modification of a first evaluation value associated with the first information when it is determined that the first view history includes the first information.
US11381527B2 Information prompt method and apparatus
The present disclosure relates to information prompt methods and apparatus. One example method includes determining a first communication object from a target communication object set, obtaining first interaction information corresponding to the first communication object, receiving input information by using an information input interface of the first communication object, determining a matching degree between the input information and the first communication object based on the input information and the first interaction information, and performing prompt if the matching degree is less than a first threshold.
US11381526B2 Multi-tenant optimized serverless placement using smart network interface cards and commodity storage
Multi-tenant optimized serverless placement using network interface card and commodity storage may be provided. A first request to execute a first function may be received. Next, it may be determined to execute the first function at a first network interface card. The first network interface card may include a plurality of processors. Then, a container may be created at the first network interface card. The container may have at least one processor of the plurality of processors. The first function may be executed at the container.
US11381518B2 Forecasting SDN fabric saturation and machine learning-based flow admission control
In one embodiment, a device of a software defined wide area network (SD-WAN) predicts characteristics of a new traffic flow to be admitted to the SD-WAN, based on a set of initial packets of the flow. The device predicts an impact of admitting the flow to the SD-WAN, based in part on extrinsic or exogenous data regarding the SD-WAN. The device admits the flow to the SD-WAN, based on the predicted impact. The supervisory device uses reinforcement learning to adjust one or more call admission control (CAC) parameters of the SD-WAN, based on captured telemetry data regarding the admitted flow.
US11381516B2 System and method for maximizing resource credits across shared infrastructure
A computer-implemented method of adjusting a resource credit configuration for cloud resources that includes collecting a resource credit inventory and attributing metadata related to resources from one or more cloud resources. An expected resource demand is determined. A plurality of resource credit configurations is determined that matches the determined expected resource demand. An improved resource credit benefit based on the resource credit inventory and on the plurality of credit configurations is determined that matches the determined expected resource demand. A modified attribute metadata based on the determined improved resource credit benefit is then determined.
US11381515B2 On-demand packet queuing in a network device
Examples herein relate to allocation of an intermediate queue to a flow or traffic class (or other allocation) of packets prior to transmission to a network. Various types of intermediate queues are available for selection. An intermediate queue can be shallow and have an associated throughput that attempts to meet or exceed latency guarantees for a packet flow or traffic class. Another intermediate queue is larger in size and expandable and can be used for packets that are sensitive to egress port incast such as latency sensitive packets. Yet another intermediate queue is expandable but provides no guarantee on maximum end-to-end latency and can be used for packets where dropping is to be avoided. Intermediate queues can be deallocated after a flow or traffic class ends and related memory space can be used for another intermediate queue.
US11381512B1 Priority-based flow control messaging for port extender
A port extender provides individual flow control for ports multiplexed from a network device. The port extender is configured to multiplex a network device port across the front panel ports on the port extender. The port extender also determines that passing traffic through one of the front panel ports is degraded due to network congestion, and generates a flow control message identifying the front panel port. The port extender sends the flow control message via the network device port to the network device. The flow control message causes the network device coupled to the network device port to discontinue sending data for transmission from the degraded port.
US11381510B2 Communication apparatus, system control apparatus, train communication system, and communication method for controlling transmission of low latency frames and general frames
A communication apparatus is mounted on a train and forms a train communication system together with a system control apparatus that generates control frames including general and low-latency frames. The communication apparatus includes: a general transfer processing unit that stores the general frame; a low latency transfer processing unit that stores the low-latency frame, the low latency frame requiring transferring with lower latency than the general frame; a frame identification unit that identifies priority of the control frame and outputs the control frame to the general transfer processing unit or the low latency transfer processing unit based on a priority setting table indicating the priority of the control frame and set in the identification unit; an output control unit that preferentially transfers the low-latency frame over the general frame; and a control unit that modifies the priority setting table.
US11381508B2 System and method for accelerating or decelerating a data transport network protocol based on real time transport network congestion conditions
A method is performed by a computing device in a data transport network. The computing device receives congestion-related information corresponding to current conditions of a portion of the network. The computing device determines whether a data transport session has a fair-share protocol. When the data transport session has the fair-share protocol, determining a congestion policy for the data transport session, and applying, using the congestion-related information, the congestion policy to the data transport session.
US11381507B2 Virtual network device and related method
Embodiments of the present invention disclose a virtual network device. The virtual network device is configured to implement a broadband network gateway BNG function, and the virtual network device includes a load balance unit and a first forwarding unit; the load balance unit is configured to: receive a first data packet from a first user terminal, determine the first forwarding unit according to the first data packet and a first correspondence, and send the first data packet to the first forwarding unit, where the first correspondence indicates mapping from the first user terminal to the first forwarding unit; and the first forwarding unit is configured to receive and forward the first data packet. In addition, the embodiments of the present invention further disclose a method for implementing load sharing in a virtual network device.
US11381505B2 Acknowledgment storm detection
In some examples, a device initiates an acknowledgement storm detection process in response to failover of a network connection from a first input/output (I/O) module to a second I/O module. The acknowledgement storm detection process includes determining whether desynchronization between a received packet and a sent packet satisfies a criterion, and in response to determining that the desynchronization between the received packet and the sent packet satisfies the criterion, initiate an action to recover from the desynchronization.
US11381502B2 Method and device for notifying binding information, and storage medium
A method for notifying binding information, including: acquiring, by an allocation node, SR-TE path information; binding, by the allocation node, an IPV6 SID corresponding to the SR-TE path information with the SR-TE path information so as to obtain SRV6 binding information between the SR-TE path information and the IPV6 SID; and notifying, by the allocation node, the SRV6 binding information to a preset node through an extended PCEP.
US11381500B2 Efficient multicast traffic forwarding in EVPN-based multi-homed networks
Embodiments of the present disclosure relate to assisting forwarding of multicast traffic over Ethernet Virtual Private Network (EVPN) from a multicast source to a host multi-homed to multiple provider edge (PE) devices. Embodiments are based on the inclusion of an Ethernet Segment Identification (ESI) to EVPN type-6 routes advertised by PE devices which received a multicast Join message. Other PE devices receiving such routes are able to determine whether they belong to the ES identified by the ESI and to determine whether they are designated forwarders (DFs) for the host. Furthermore, PE devices which are the DFs are configured to re-originate the EVPN type-6 routes, i.e. re-send the advertisements, indicating themselves as DFs. This ensures that a remote PE device associated with the multicast source will also send multicast traffic to such DF PE devices, which, in turn, would allow the multicast traffic to successfully reach the host.
US11381499B1 Routing meshes for facilitating routing through an SD-WAN
Some embodiments of the invention provide a method of facilitating routing through a software-defined wide area network (SD-WAN) defined for an entity. A first edge forwarding node located at a first multi-machine site of the entity, the first multi-machine site at a first physical location and including a first set of machines, serves as an edge forwarding node for the first set of machines by forwarding packets between the first set of machines and other machines associated with the entity via other forwarding nodes in the SD-WAN. The first edge forwarding node receives configuration data specifying for the first edge forwarding node to serve as a hub forwarding node for forwarding a set of packets from a second set of machines associated with the entity and operating at a second multi-machine site at a second physical location to a third set of machines associated with the entity and operating at a third multi-machine site at a third physical location. The first edge forwarding node serves as a hub forwarding node to forward the set of packets from the second set of machines to the third set of machines.
US11381497B2 Path selection method and device
The present disclosure provides a path selection method and apparatus. The method comprises: receiving a traffic scheduling request, wherein the traffic scheduling request comprises a requirement for path selection, a source node, and a destination node; determining, for each dedicated line cloud comprising both a source virtual node connected with the source node and a destination virtual node connected with the destination node, a dedicated line corresponding to the dedicated line cloud as a traffic forwarding path when static attribute of a link between the source node and the respective source virtual node and a link between the destination node and the respective destination virtual node, and/or a dynamic attribute of a link between the respective source virtual node and the respective destination virtual node satisfy the requirement for path selection. The present disclosure can implement path selection based on bandwidth and quality in a point-to-multipoint network by a controller.
US11381491B2 System and method for load balancing of network packets received from a MME with smart clustering
A system and method for monitoring one or more Mobility Management Entities (MMEs) with a plurality of scalable Virtual Machines (VM)/probes arranged in a cluster format. A ciphered packet is received from a MME at a smart cluster device/probe whereby data is aggregated from the individual clustered VMs/probes for distribution to a monitoring device. The smart cluster device/probe is preferably configured to decipher the ciphered packet received from the MME and extract metadata from the deciphered packet to identify subscriber information for the received packet. The deciphered packet is then distributed to one of the plurality of clustered probes to balance the load amongst the plurality of clustered probes. The balancing of loads is based upon prescribed load balancing criteria such that each packet received for an identified subscriber is sent to a same probe such that load balancing is performed on a per subscriber basis and/or with other state-based criteria. KPI session related data associated with a subscriber is generated in a clustered probe that receives the distributed packet from the smart cluster device/probe. Subscriber related data from each clustered probe is then aggregated with at least one monitoring device operably coupled to the clustered probes such that a user of the monitoring device is provided with the perception that the monitoring device is coupled to a single probe.
US11381489B1 Apparatus and method for tracking data in edge cloud environment
A data tracking method, which is performed by a data tracking apparatus in an edge cloud environment including at least one edge node communicating with an end device and a central cloud, includes receiving data from the end device by a first edge node, creating, by the first edge node, a tracing history and distributing the data to a plurality of edge nodes so as to allow the plurality of edge nodes to create tracing histories, transmitting the created tracing histories to the central cloud by the first edge node and the plurality of edge nodes, and verifying, by the central cloud, linkability of the tracing histories transmitted to the central cloud, storing the tracing histories, analyzing the tracing histories, and providing a data tracking function.
US11381482B2 System and method for logging and displaying routing of communication
The present invention allows a user to review the routing of various communications. The system receives incoming communications for analysis by a smart routing engine (SRE) software module. The SRE module analyzes the communication at various system routing points, which is used by SRE to route the communication to an appropriate party. The SRE updates a routing log at each point to ensure a record of the reasons for routing the communication in a certain way. The routing log passes with the communication. This ensures that the ultimate recipient of the communication understands why they have received the communication and reduces the time required for a communication to be acted upon.
US11381481B1 System and method for collecting and displaying information about many computer systems
A system, method and computer program product collects and provides for display operational status data in several levels of detail about multiple client computer systems.
US11381480B2 Control method, apparatus, and system for collecting traffic statistics
A control method for collecting traffic statistics includes a control node obtains a statistics collection instruction, where the statistics collection instruction is used to instruct to collect traffic statistics of a target data flow, generates a traffic statistics collection policy according to the statistics collection instruction, where the traffic statistics collection policy includes a matching identifier of the target data flow, a first command, and a second command, and sends the traffic statistics collection policy to a forwarding node. The first command is used to instruct the forwarding node to set a traffic identifier for the target data flow based on the matching identifier, the second command is used to instruct the forwarding node to add traffic generated by a target packet to a traffic statistics collection result corresponding to the traffic identifier which is used to describe the traffic of the target data flow.
US11381479B2 Service deployment method and apparatus, and network element
A service deployment method and apparatus, and a network element are provided. The method includes: receiving, by an NFVO, an instantiation request for instantiating a network service NS, obtaining the NSD according to the identifier of the NSD, sending the node information of the VNF to a VNFM; sending the node information of the VL to a VIM; separately receiving an instantiation success response message returned by the VNFM and the VIM separately; and sending the connection requirement information to the VIM.
US11381476B2 Standardized format for containerized applications
A file is created in a standardized format that defines a type of a containerized application and includes information for deployment of the containerized application. A single parser of the standardized format is thus enabled to deploy different types of containerized applications. The standardized file format includes an application definition. The application definition includes a service, a port list, a container list, a volume mount list, an access mode list, a resource usage list, or any suitable combination thereof. A client device presents a user interface that allows a user to select a containerized application to execute. An application server parses an application template file for the selected containerized application and, based on the information in the application template file, causes one or more servers (e.g., one or more Kubernetes cluster nodes) to execute the containerized application.
US11381475B1 Methods and systems for service-level agreement (SLA) network availability management
Embodiments of a device and method are disclosed. In an embodiment, a method of network availability management of a network deployed at a customer site involves at a cloud server connected to the network, receiving network availability information of the network deployed at the customer site from at least one wireless sensor deployed at the customer site, at the cloud server, receiving wireless communications channel quality information of the network deployed at the customer site, and at the cloud server, automatically determining a service-level agreement (SLA) network availability metric based on the network availability information and the wireless communications channel quality information.
US11381468B1 Identifying correlated resource behaviors for resource allocation
A distributed system may implement identifying correlated workloads for resource allocation. Resource data for resources hosted at resource hosts in a distributed system may be analyzed to determine behavioral similarities. Historical behavior data or resource configuration data, for instance, may be compared between resources. Behaviors between resources may be identified as correlated according to the determined behavioral similarities. An allocation of one or more resource hosts in the distributed system may be made for a resource based on the behaviors identified as correlated. For instance, resources may be migrated from a current resource host to another resource host, new resources may be placed at a resource host, or resources may be reconfigured into different resources. Machine learning techniques may be implemented to refine techniques for identifying correlated behaviors.
US11381466B2 Network design device, network design method, and network design processing program
With a network design apparatus, a network design method, and a network design processing program, a network configuration is designed for a network in which a transfer apparatus is disposed at each of a plurality of communication hubs and the communication hubs are connected via a link by a link portion apparatus in the transfer apparatus. In design of a network configuration, a threshold value of an inter-end delay and the number of redundant paths are calculated for each line on the basis of topology information, line information, and design parameter information. A path candidate set is calculated for each line on the basis of the threshold value of the inter-end delay and the number of redundant paths.
US11381453B2 Method and system for service software upgrade in an evolved packet core (EPC) system
A software upgrade method and system which relate to the field of communications technologies. The method is applied to an evolved core packet (EPC) system. The EPC system includes a system manager, a traffic decider, a first service server, and a second service server, and the first service server and the second service server are installed with service software of a first version. As a result, service continuity and stability of the EPC system are ensured.
US11381451B2 Methods, systems, and computer readable mediums for selecting and configuring a computing system to support a replicated application
Methods, systems, and computer readable mediums for selecting and configuring a computing system to support a replicated application are disclosed. According to one example, a method includes capturing resource availability data associated with a plurality of computing systems, wherein each of the plurality of computing systems resides at a separate and distinct geographical site. The method further includes determining, for each of the plurality of computing systems, a suitability score based on the captured resource availability data and at least one external factor associated with the computing system, selecting one of the plurality of computing systems to host the replicated application based on the determined suitability scores, and establishing a logical environment on the selected computing system to support the enterprise application.
US11381445B2 Network architecture, methods, and devices for a wireless communications network
Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.
US11381442B2 Time domain channel prediction method and time domain channel prediction system for OFDM wireless communication system
Provided are a time domain channel prediction method and a time domain channel prediction system for an OFDM wireless communication system, which relate to the technical field of adaptive transmission in wireless communication. Frequency domain channel information is converted into time domain tap information by inverse Fourier transform. With respect to each time domain tap information, tap information prediction based on an extreme learning machine is realized, and finally predicted tap information is converted into frequency domain channel information by Fourier transform. To improve a generalization ability of a channel predictor, an output weight of the extreme learning machine is punished by a combination of l2 regularization and l1/2 regularization. The disclosure may provide satisfactory prediction performance and may output a sparse output weight, which reduces the requirement for memory storage. The disclosure ensures adaptive transmission and adaptive coding of wireless communication.
US11381440B2 Method and device in base station for unlicensed spectrum
The present disclosure provides a method and a device in a base station used for Unlicensed Spectrum. The base station first transmits K1 radio signals in a reference time window and then receives K1 HARQ feedbacks, and performs Q1 energy detections respectively in Q1 time sub-pools on a first frequency sub-band; the K1 HARQ feedbacks are respectively used for determining whether the K1 radio signals are correctly received; a first radio signal is a radio signal of the K1 radio signals, the first radio signal carries part of bits comprised by a first bit block; a first HARQ feedback is used for determining whether the first radio signal is correctly received, HARQ feedback(s) other than the first HARQ feedback among the K1 HARQ feedbacks is(are) used for determining the Q1 time sub-pools. The present disclosure increases the chance of access to Unlicensed Spectrum and the utilization ratio of spectrum resources.
US11381439B2 IBOC compatible superposition modulation by independent modulators utilizing clipping noise from peak-to-average power reduction
According to an aspect of the present invention, there is provided a method for providing additional bandwidth to receivers that can decode a higher modulation comprising trading a peak-to-average power ratio (PAPR) reduction induced constellation noise of all or a subset of in-band on-channel (IBOC) carriers within an orthogonal frequency division multiplexing (ODFM) waveform with data carrying superposition modulation.
US11381436B2 Reference signal pattern transmission method and apparatus therefor
Embodiments of the present disclosure disclose a reference signal pattern transmission method and an apparatus therefor. The method includes: determining, a quantity N of symbols occupied by a CSI-RS resource, and N={1, 2, 4}; obtaining, a pattern of the CSI-RS resource; and sending, configuration information to a terminal device, N=1, the pattern of the CSI-RS resource occupies one RE in time domain, and occupies at least four consecutive REs in frequency domain; or N=2, the pattern of the CSI-RS resource occupies two consecutive REs in time domain, and occupies at least two consecutive REs in frequency domain; or N=4, the pattern of the CSI-RS resource occupies four consecutive REs in time domain, and occupies at least two consecutive REs in frequency domain. According to the embodiments of the present disclosure, a design of a pattern of a channel state information-reference signal resource in a 5G system can be implemented.
US11381435B2 Configuration for data and reference signal transmissions with shortened transmission time intervals
Techniques provide for identifying uplink resources that are to be used for uplink transmissions using shortened transmission time intervals (sTTIs), such as low latency or high reliability transmissions. A reference signal (RS) configuration for a three-symbol sTTI, including locations of one or more RS symbols and one or more data symbols within the sTTI may be identified. The RS configuration, along with the allocation of uplink resources, may be provided to a user equipment (UE) which may transmit uplink communications using the allocated uplink resources.
US11381428B2 Device and method for determining optimal equalizer settings for an equalizer for equalizing a pulse amplitude modulation signal
A device (2) for determining optimal equalizer settings (setE_opt) for an equalizer (1) for equalizing a pulse amplitude modulation signal (L0, L1, L2, L3) comprises an estimator section (21) configured for receiving at least a part of the equalized pulse amplitude modulation signal (L0′, L1′, L2′, L3′) from the equalizer (1), and for receiving an offset signal (offS), and for generating an estimator signal (estS) indicative of a percentage of signal levels of the at least a part of the equalized pulse amplitude modulation signal (L0′, L1′, L2′, L3′) which are larger or smaller than the offset signal (offS). The device comprises a controller (22) configured for receiving the estimator signal (estS), and for generating the offset signal (offS), and for generating equalizer settings (setE) for the equalizer (1), wherein the controller (22) includes an optimizer (221) for determining the optimal equalizer settings (setE_opt) for the equalizer (1) by evaluating the estimator signal (estS) for a range of offset signals (o1, . . . o4) and for a range of equalizer settings (setE0, setE_opt, setE2).
US11381426B2 Systems and methods for improved data transmission in short-reach links
Systems and methods are provided for enabling lower-bandwidth hardware components to support higher data rates. In particular, aspects of the disclosed systems and methods use Raised Cosine pulse shaping in short-reach links to band limit the signal spectra and thereby enable existing, such lower-bandwidth components to support higher data rates.
US11381424B2 Control of aperiodic signaling of SRS for wireless systems
A wireless device, network node and methods are provided. The network node includes processing circuitry configured to configure an aperiodic sounding reference signal, A-SRS, switching trigger, and transmit the configured A-SRS 5 switching trigger to a wireless device. The A-SRS switching trigger is one of: a downlink control information, DCI, of a predetermined DCI format and a DCI of another predetermined DCI format for group switching. In one embodiment, the predetermined DCI format is one of 2, 2A and 3, and the other predetermined DCI format for group switching is 1A.
US11381419B2 Communication network
The invention relates to a computing unit, a switch connected to the computing unit, a user terminal connected to the switch in such a way that the computing unit, the switch and the user terminal form a communication system with a central architecture, and at least one communication system with a distributed architecture that is connected to the switch. The switch is designed to be used as an intermediate system for the communication system with the central architecture as well as for the communication system with the distributed architecture.
US11381415B2 Method and apparatus for providing remote user interface services
First electronic device includes a communication interface and a processor. The processor is configured to: receive, from the second electronic device, an incoming message destined for the first electronic device, transmit, to the third electronic device, message information related to the incoming message, the message information being used for displaying the incoming message on the third electronic device, transmit preset texts to the third electronic device, the preset texts being stored in the first electronic device to be used for replying to messages receivable by the first electronic device, based on one of the preset texts being selected by a user input among the preset texts displayed on the third electronic device, receive response information from the third electronic device, the response information being related to the one of the preset texts, and transmit, to the second electronic device, a response message including the one of the preset texts.
US11381412B1 Conference event alerting based on participant focus
A conference participant is alerted as to an event during a conference responsive to a determination that a focus of the conference participant is other than on the conference. During the conference, an event associated with the conference participant is detected based on a real-time transcription of the conference. For example, the event may relate to a topic relevant to the conference participant or a request associated with a name of the conference participant. A determination is made that a focus of the conference participant is other than on the conference based on information associated with a device of the conference participant, such as input received from a camera associated with the device or a setting of an audio output device associated with the device. Based on that determination and the detected event, output is presented to alert the conference participant as to the event.
US11381410B1 Dynamic media switching between different devices of same user based on quality of service and performance
A method includes identifying a plurality of communication devices assigned to a same participant to a conference call, evaluating a quality-of-service for each of the plurality of communication devices assigned to the same participant to the conference call and designating one of the plurality of communication devices as a principal communication device of the plurality of communication devices assigned to the same participant to the conference call based on the evaluation of the quality-of-service of the plurality of communication devices. The method also includes automatically muting a remainder of the plurality of communication devices not designated as the principal communication device and reevaluating the quality-of-service for each of the plurality of communication devices.
US11381405B1 System and method for authenticating a user at a relying party application using an authentication application and automatically redirecting to a target application
A system for authenticating a user at a relying party application using an authentication application and automatically redirecting to a target application includes a processor. The processor is configured to 1) make an API call that comprises (i) an authentication challenge that corresponds to an authentication request and (ii) a call back URL that is specified by a relying party application; 2) retrieve at least one of a target application link or a null value from a table; 3) authenticating the user based on an authentication challenge response to the at least one authentication challenge; and 4) invoking the target application link from the table to automatically redirect from the authentication application to the target application specified in the target application link.
US11381401B2 Blockchain transaction forwarding
The technology disclosed herein provides a blockchain transactions forwarding mechanism that allows for tracking and notification from the originating blockchain through to a last blockchain and back again. An implementation of the system disclosed herein also provides a whitelist mechanism to provide a list of acceptable blockchains or nodes that may receive transactions. Yet another implementation provides a predetermined hop count that may be used as the maximum allowable hop counts that provides the number of times a transaction is allowed to be forwarded.
US11381399B2 Enhanced vehicle operation
A computer includes a processor and a memory, the memory storing instructions executable by the processor to collect a digital image that includes a plurality of pixels with a first sensor, input a reference data string, a key data string, and a set of collected data from a second sensor into a permutation generator that outputs a watermark data string, and embed the watermark data string in the digital image at specified pixels in the plurality of pixels.
US11381398B2 Method for re-keying an encrypted data file
A method for re-keying an encrypted data file, the data file being stored chunkwise on a storage entity (SE), data file chunks being encrypted with a global secret, and the method being performed by one or more computing devices, includes updating the global secret for encryption data for a data chunk to be re-keyed such that an output of a non-interactive oblivious key exchange is used to identify the private key of the data chunk to be re-keyed with a new private key, wherein the non-interactive oblivious key exchange uses an oblivious protocol; and reencrypting the data chunk to be re-keyed with the updated global secret.
US11381395B2 System and methods for encryption based on environmental factors
A computer system is provided. The computer system includes a memory and at least one processor coupled to the memory and configured to measure one or more environmental factors; convert the one or more environmental factors to entropy values by truncation or rounding of the one or more environmental factors to a selected number of bits; and combine the entropy values to generate an encryption key. The one or more environmental factors may include a location of the computer system, a current date and time, parameters of a network environment to which the computer system is connected, or an identification of a server to which the computer system is connected. The at least one processor is further configured to encrypt and/or decrypt at least a portion of a data file and/or at least a portion of a binary executable application using the encryption key.
US11381394B2 High speed encryption key generating engine
An encryption key generating engine includes a random number pool, an entangling string generator, and a control circuit. The random number pool stores a plurality of random bits, and values of the plurality of random bits are generated randomly. The entangling string generator provides an entangling string according to an input key. The control circuit is coupled to the random number pool and the entangling string generator. The control circuit retrieves a sequence of random bits from the plurality of random bits stored in the random number pool according to the input key, receive the entangling string from the entangling string generator, and entangle the entangling string with the sequence of random bits to generate a secret key.
US11381393B2 Key rotation for sensitive data tokenization
This document describes techniques for rotating keys used to tokenize data stored in a streaming data store where data is stored for a maximum time [W]. In some embodiments, a data layer of such a data store can encrypt arriving original data values twice. The original data value is first encrypted with a first key, producing a first token. The original data value is encrypted with a second key, producing a second token. Each encrypted token can be stored separately in the data store. A field may be associated with two database columns, one holding the value encrypted with the first key and the second holding the value encrypted with the second key. Keys are rotated after time [K], which is at least equal to and preferably longer than [W]. Rotation can involve discarding the older key and generating a new key so that two keys are still used.
US11381392B2 Device for off-line storage and usage of digital assets
The present disclosure relates to off-line generation, storage, and usage of digital assets, such as cryptocurrency. In particular, methods and systems are disclosed for generating off-line cryptographic key pairs for the off-line storage of digital assets using storage techniques that do not involve connecting to the Internet. In one example, a method for generating off-line cryptographic key pairs includes receiving user input from a user, determining a key generation algorithm based on the user input, wherein the key generation algorithm relates to a digital asset, generating an off-line cryptographic key pair based on the user input and key generation algorithm, and outputting the off-line cryptographic key pair.
US11381381B2 Privacy preserving oracle
Certain aspects of the present disclosure provide techniques for performing computations on encrypted data. One example method generally includes obtaining, at a computing device, encrypted data, wherein the encrypted data is encrypted using fully homomorphic encryption and performing at least one computation on the encrypted data while the encrypted data remains encrypted. The method further includes identifying a clear data operation to perform on the encrypted data and transmitting, from the computing device to a server, a request to perform the clear data operation on the encrypted data, wherein the request includes the encrypted data. The method further includes receiving, at the computing device in response to the request, encrypted output from the server, wherein the encrypted output is of the same size and the same format for all encrypted data transmitted to the server.
US11381380B2 Systems and methods to improve end-to-end control and management in a network of moving things that may include, for example, autonomous vehicles
Systems and methods for using tunnels to provide communication channels between nodes in a network, where the tunnels may be, for example, multi-purpose UDP tunnels. Different nodes may be in different networks where at least one network may comprise a complex array of both static and moving communication nodes (e.g., the Internet of moving things) that may include, for example, autonomous vehicles.
US11381377B2 Data signal detection apparatus, and mobile industry processor interface radio frequency front-end slave device and system
Provided are a data signal detection device, and mobile industry processor interface radio frequency front-end device and system. The device includes: a first acquisition circuit, a second acquisition circuit and a selection output circuit. A first input terminal of the first acquisition circuit is connected to a second input terminal of the second acquisition circuit, and a second input terminal of the first acquisition circuit is connected to a first input terminal of the second acquisition circuit. Output terminals of the first acquisition circuit and the second acquisition circuit are connected to two input terminals of the selection output circuit. The acquisition circuit is configured to verify whether an acquisition signal meets a characteristic of a data signal; and the selection output circuit selects an acquisition signal from a received acquisition signal and a received invalid signal for output.
US11381373B2 Method of performing BWP operation in wireless communication system and an apparatus therefor
This specification provides a method of performing a bandwidth part (BWP) operation in a wireless communication system. Specifically, The method performed by a terminal includes receiving a first message including information related to at least one initial BWP configuration from a network, receiving a second message including configuration information for an additional BWP from the network, receiving downlink control information (DCI) related to BWP switching for at least one configured BWP from the network, and transmitting and receiving signals to and from the network in an activated BWP based on the received DCI.
US11381372B2 User equipment and transmission control method
User equipment for transmitting an uplink control channel in multiple cells simultaneously in a radio communication system where transmission of the uplink control channel in a secondary cell is supported is disclosed. One aspect of the present invention relates to the user equipment, comprising: a transmission and reception unit configured to transmit and receive a radio channel to/from a base station via multiple cells configured for carrier aggregation; a simultaneous transmission availability determination unit configured to determine, in response to occurrence of an event where an uplink control channel is to be transmitted in the multiple cells simultaneously, whether the uplink control channel can be transmitted in the multiple cells simultaneously; and a transmission control unit configured to instruct the transmission and reception unit to transmit the uplink control channel in the multiple cells simultaneously if the uplink control channel can be transmitted in the multiple cells simultaneously and control transmission of the uplink control channel in accordance with transmission priorities corresponding to cell types if the uplink control channel cannot be transmitted in the multiple cells simultaneously.
US11381371B2 Secondary cell activation with beam management in new radio mobile communications
An apparatus receives, from a wireless network, a secondary cell (SCell) activation command. The apparatus determines whether a target SCell is known. Based on a result of the determining, the apparatus performs one or more operations.
US11381370B2 Retransmission activating/deactivating method, base station, user equipment and device
The present disclosure provides a retransmission activating/deactivating method, a base station, a user equipment and a device. The method includes: determining a correspondence relationship between a bearer which is allowed for retransmission under the first base station and a bit of a preset field of media access control (MAC) control element (CE) of the first base station for activating/deactivating retransmission; where the preset field is used to indicate activation/deactivation retransmission of the bearer which is allowed for retransmission; and, when determining to activate/deactivate retransmission of the bearer which is allowed for retransmission under the first base station, populating, by the first base station, the bit, which is in the preset field of the MAC CE for activating/deactivating retransmission and corresponding to the bearer, thereby generating the MAC CE for activating/deactivating retransmission, and transmitting to the UE the generated MAC CE for activating/deactivating retransmission.
US11381368B2 Uplink control channel for acknowledging increased number of downlink component carriers
Techniques are described for wireless communication. One method includes determining, based at least in part on a number of downlink component carriers (CCs) scheduled for a user equipment (UE) during a reporting interval, a number of bits to be included in a physical uplink control channel (PUCCH) acknowledgement/non-acknowledgement (ACK/NAK) payload for the reporting interval; and selecting, based at least in part on the determined number of bits, a format of the PUCCH ACK/NAK payload.
US11381366B2 Wireless communication devices for transmitting data using spatial reuse and data communication methods using the same
Provided is a wireless communication device including at least one processor configured to transmit a plurality of test signals generated based on different transmission factors to a reception device, and transmit first data to the reception device based on a transmission factor of a first test signal among the plurality of test signals in response to determining a first acknowledgement signal has been received, the first acknowledgement signal corresponding to the first test signal, the transmission of the first data being via a wireless data channel while second data is contemporaneously transmitted via the wireless data channel by another device.
US11381364B2 Method of sending uplink control channel and device thereof, method of receiving uplink control channel and device thereof, terminal and base station
A method of sending an uplink control channel and a device thereof, a method of receiving an uplink control channel and a device thereof, a terminal and a base station are provided. The method of sending an uplink control channel includes: determining a plurality of target slots for sending uplink control information to be fed back, where the uplink control information to be fed back is sent in the target slots through an uplink control channel; acquiring a transmission duration or format of the uplink control channel carrying the uplink control information to be fed back in each of the target slots, where the transmission duration or format of the uplink control channel in every target slot is the same; and sending the uplink control channel carrying the uplink control information to be fed back in each of the target slots, according to the determined transmission duration or format of the uplink control channel.
US11381363B2 Signal transmission method and apparatus
Embodiments of this application provide a signal transmission method and apparatus. The method includes: receiving, by a terminal device, configuration information sent by a network device, where the configuration information is used to instruct the terminal device to send a reference signal, and a resource used to transmit the reference signal is determined based on a public cell identity of a cell to which the terminal device belongs; and sending, by the terminal device, the reference signal based on the configuration information by using the resource. According to the signal transmission method and apparatus in the embodiments of this application, an existing reference signal can be used to perform interference/channel measurement between terminal devices, so that a terminal device on a receiving side can distinguish between interference cells while reference signal utilization is improved.
US11381360B2 PT-RS configuration depending on scheduling parameters
There is disclosed a transmitting node for a Radio Access Network, the transmitting node being adapted for transmitting, based on one or more transmission parameters, of reference signaling, and/or signaling including reference signaling, wherein the reference signaling comprises phase tracking reference signaling, and the one or more transmission parameters comprise a Modulation and Coding Scheme (MCS).
US11381355B2 Information determination method, apparatus and device
An information determination method, an information determination apparatus, and a device are provided. The information determination method includes: for multiple configurations of uplink grant-free transmission, detecting uplink transmission on a resource corresponding to at least one of the multiple configurations; and in a case that a first configuration corresponding to a resource where the uplink transmission is detected is not a predetermined configuration, determining an HARQ ID of the detected uplink transmission according to association information between the first configuration and the predetermined configuration.
US11381354B2 Method and apparatus for wireless communication of wireless node in wireless communication system
A method and apparatus for a wireless communication system is provided. The apparatus includes a transceiver and at least one processor coupled with the transceiver and configured to receive data from a first node, transmit the data to a second node, receive, from the second node, radio link control (RLC) feedback information corresponding to the transmitted data and transmit, to the first node, RLC feedback information corresponding to the received data based on the received RLC feedback information and the received data.
US11381351B2 Terminal apparatus, base station apparatus, and communication method
A terminal apparatus includes a receiver configured to receive RRC information indicating the maximum number of CBGs X for one transport block in each serving cell; and a generation unit configured to generate X HARQ-ACK bits corresponding to the one transport block, in which the transport block includes NCB code blocks (CBs), in a case that the number of CBs NCB is less than the maximum number of CBGs X, the number of CBGs for the transport block is NCB, and the generation unit generates NCB HARQ-ACK bits for the NCB CBGs and X-NCB NACKs as the X HARQ-ACK bits.
US11381341B2 Reception apparatus, transmission apparatus, reception method, and transmission method
A reception apparatus includes a receiver and circuitry. The receiver receives, from a transmission apparatus, a plurality of packets that include code word symbols which include an information word symbol and a parity symbol. The information word symbol is generated from transmission information. The parity symbol is calculated from the information word symbols. The circuitry decodes the code word symbols that are included in the plurality of packets. The number of first packets and the number of second packets among the plurality of packets are shared between the transmission apparatus and the reception apparatus. Each of the first packets includes the information word symbol. Each of the second packets includes the parity symbol.
US11381337B2 Vehicle access with selective jamming radio signal
A jamming radio signal is selectively outputted based on an access signal. The jamming radio signal is configured to prevent an interrogation signal of a vehicle to complete an authentication of a vehicle key of the vehicle.
US11381336B2 Optimizing spectral efficiency for a configuration of an optical network
A method of configuring an optical link with an optimized spectral efficiency and bit rate is provided. The method includes obtaining, by a controller of an optical network, a baseline configuration that includes a traffic mode that uses a predetermined channel spacing of a plurality of channels in a frequency spectrum. The plurality of channels are used for transmitting optical signals on an optical link in the optical network. The method further includes selecting three contiguous channels that include a center channel and two adjacent channels and while maintaining a performance parameter above or equal to a threshold value, moving the adjacent channels closer to the center channel and varying at least one transmission parameter, thereby reducing a spacing of the center channel. As such, a spectral frequency map is generated in which the channel spacing is reduced and an optical link is configured based on the spectral frequency map.
US11381335B2 Method and apparatus for spectrum defragmentation, device, and system
A method and an apparatus for spectrum defragmentation, where the method includes: obtaining, by a transmit end, a target data stream; sending the target data stream on one line using a to-be-adjusted frequency band; adjusting, on another line, an occupied frequency band of the target data stream from the to-be-adjusted frequency band to a target frequency band; switching the target data stream to the other line; and transmitting the target data stream using the target frequency band.
US11381331B2 Communication quality deterioration prediction system, method, and program
A first prediction unit 83 predicts the amount of future communication quality deterioration or the presence or absence of occurrence of future communication quality deterioration in a communication section between one communication device and another communication device communicably connected to the one communication device by using a first learning model generated on the basis of first attributes being attributes related to a cause of communication quality deterioration in the communication section. A second prediction unit 84 predicts the amount of future communication quality deterioration or the presence or absence of occurrence of future communication quality deterioration outside the communication section regarding one communication device by using a second learning model generated on the basis of second attributes being attributes related to a cause of communication quality deterioration outside the communication section regarding the one communication device.
US11381329B2 Detecting a moving object based on a phase of channel impulse responses
A moving object detector detects a moving object in a channel. The detection comprises the detector receiving a plurality of frames based on a transmitter transmitting a plurality of frames over a channel. One or more channel impulse responses (CIRs) of the channel is determined based on the received plurality of frames. The detector determines a CIR phase for each of the CIRs and a phase signal is formed based on a phase value of the CIR phase for each of the CIRs. The detector compares the phase signal with a target signal and detects the moving object in the channel based on the comparison.
US11381324B2 System, apparatus, and method for remote antenna compensator
In at least one embodiment, a system for enabling wireless communication for a vehicle is provided. At least one controller to generate first information for the vehicle for transmission to at least one surrounding vehicle or an infrastructure external to the vehicle and to receive second information. The remote active antenna assembly to receive the first information over a cable and wirelessly receive over a wireless communication protocol, a control indicative of the remote active antenna assembly being in one of a transmit mode or a receive mode. The remote active antenna assembly to wirelessly transmit, via a remote active element, the first information in response to the control signal indicating that the remote active assembly is in the transmit mode and to wirelessly receive, via the remote active element, the second information in response to the control signal indicating that the remote active assembly is in the receive mode.
US11381323B1 Telematics verification system utilizing a wireless cable shielding cover
A telematics verification system for the testing of a vehicle telematics system, including: a conductive ground plate adapted to be disposed under a vehicle when testing the vehicle telematics system using the telematics verification system; a conductive cover adapted to be disposed over and about an exterior surface of the vehicle and an antenna of the vehicle when testing the vehicle telematics system using the telematics verification system; a downlink antenna adapted to be arranged inside the conductive cover, wherein the downlink antenna is configured to wirelessly transmit a downlink signal inside the conductive cover, wherein the downlink signal is wirelessly receivable by the antenna of the vehicle; and an uplink antenna adapted to be arranged inside the conductive cover, wherein the uplink antenna is configured to wirelessly receive an uplink signal inside the conductive cover, wherein the uplink signal is wirelessly receivable from the antenna of the vehicle.
US11381319B2 Underwater wireless optical communication unit and system
An underwater wireless optical communication, UWOC, unit (30) for underwater deployment on a submerged earth layer (12) or structure (14, 16). The UWOC unit is configured for wireless optical communication in an underwater environment, and comprises an optical transmitter (36), an anidolic optical receiver (38), and a processor (44). The optical transmitter is configured to transmit data by emitting an optical signal (80) into the surroundings. The optical receiver includes an optical detector (62), which is omnidirectionally sensitive and configured to receive further optical signals approaching substantially along an azimuthal plane orthogonal to a nominal axis (A) through the UWOC unit. The processor is coupled to the optical receiver, and configured to process received further optical signals.The unit may be configured to determine an inter-unit distance between this unit and a second unit, by sending an optical interrogation signal to the second unit, and receiving an optical response signal from the second unit.
US11381317B2 Optical receiving apparatus and waveform distortion compensation method
An optical receiving device that divides receive signals obtained by receiving an optical signal using a coherent detection scheme into a plurality of frequency bands, matches timing of the receive signals along a time axis between the frequency bands resulting from the division, performs a combining process of combining the receive signals contained in the plurality of frequency bands, and compensates the receive signals for waveform distortion either before or after the combining process, includes: a first wavelength dispersion compensation unit adapted to compensate the receive signals for waveform distortion in each of the frequency bands resulting from the division; a first nonlinear compensation unit adapted to compensate the receive signals belonging to each of the frequency bands and timed with each other in a time domain for a nonlinear optical effect; and a second wavelength dispersion compensation unit adapted to compensate the receive signals belonging to each of the frequency bands and compensated for the nonlinear optical effect for wavelength dispersion in each of the frequency bands.
US11381316B2 Optical transmitter and optical transmission method
To provide an optical transmitter and an optical transmission method that can maintain the quality of an optical output signal in a wide wavelength range, an optical transmitter comprises: an optical modulator that includes an electrode and outputs an optical output signal obtained by modulating input light according to a drive signal applied to the electrode; a driver circuit that generates a drive signal and is connected to the optical modulator to apply a drive signal to one end of the electrode; a first element that is connected to the other end of the electrode and terminates the drive signal; and a controller that sets a first resistance value of the first element and a drive amplitude of the drive signal.
US11381311B2 Cellular communication system having a set of small cells as a signal source
An analog distributed antenna system having a set of small cells as a signal source is provided. A proposed cellular communication system includes an upper small cell unit including upper protocol processors configured to process an upper first part of a protocol stack of a small cell, a lower small cell unit including lower protocol processors configured to process a remaining second part of the protocol stack of the small cell, and a first matching switch configured to respectively match the lower protocol processors to a plurality of remote units. According to one aspect, the cellular communication system includes a common controller configured to control activation of the plurality of upper protocol processors of the upper small cell unit and the plurality of lower protocol processors of the lower small cell unit according to a required service capacity and appropriately control an operation of the first matching switch.
US11381307B2 Method and apparatus for alignment of a line-of-sight communications link
Techniques are disclosed for aligning an optical transmitter with an optical receiver for a line-of-sight communications link, wherein the optical transmitter comprises a laser array emitter, the laser array emitter comprising a plurality of laser emitting regions, wherein each of a plurality of the laser emitting regions is configured to emit laser light in a different direction such that the laser array emitter is capable of emitting laser light in a plurality of different directions. The system can run produce emissions from different laser emitting regions until a laser emitting region that is in alignment with the optical receiver is found. This aligned laser emitting region can then be selected for use to optically communicate data from the optical transmitter to the optical receiver.
US11381306B2 Bisection searching algorithm to derive optimum baud rate with maximum spectral efficiency exploiting Q-margin-to-SNR-margin conversion
Methods for configuring an optical link with an optimized spectral efficiency are provided. In these methods, a controller of an optical network obtains a baseline configuration that includes a traffic mode that uses a predetermined channel spacing of a plurality of channels in a frequency spectrum. The plurality of channels is used for transmitting optical signals on an optical link in the optical network. The controller further converts the SNR-margin to a Q-margin threshold value associated with a Q-margin as a performance parameter and while maintaining the performance parameter with a predetermined range of the Q-margin threshold value, varies at least one transmission parameter to reduce channel spacing. The controller also generates a spectral frequency map in which the channel spacing is reduced with respect to the baseline configuration and configures, via an optical network element in the optical network, the optical link based on the spectral frequency map.
US11381303B2 Task delegation in a satellite network
A method comprising determining, by a function, that a first satellite lacks processing or communication capabilities; and routing data traffic, by the function, from the first satellite to a second satellite, the second satellite having higher processing or communication capabilities than the first satellite. The processing and communication capabilities of the first and second satellite are directly related to their power availability, which is derived from solar energy means. Another method comprising determining, by a function, that a first satellite cannot provide computing or communication resources; migrating data, by the function, from the first satellite to a second satellite that can provide the computing or communication resources; computing the data, by the computing resources of the second satellite; and transmitting computed data, by the function, from the second satellite to the first satellite.
US11381301B2 Integrated repeater system and method to operate integrated repeater system
An integrated repeater system that includes a repeater device having phased array antenna receivers that receives a mmWave radio frequency signal from a base station, and one or more phased array antenna transmitters that transmits the received mmWave radio frequency signal through a glass structure to a user equipment with a first level of transmission loss. Based on an impedance matching component provided in the integrated repeater system, the repeater device changes a filter response of the glass structure based on a dielectric property of the impedance matching component.
US11381290B2 Multi-beamwidth radio frequency (RF) beamforming optimization in a wireless communications apparatus, particularly for a wireless communications system (WCS)
Multi-beamwidth radio frequency (RF) beamforming optimization in a wireless communications apparatus is disclosed. The wireless communications apparatus includes a signal processing circuit configured to process an RF communications signal for radiation in a set of RF beams optimized to maximize coverage in a wireless communications cell. In examples disclosed herein, the set of RF beams includes a center RF beam and a number of edge RF beams. Specifically, the center RF beam is formed with a wider beamwidth to cover a larger center area of the wireless communications cell and, the edge RF beams are each formed with a narrower beamwidth to improve coverage in an edge area of the wireless communications cell. As a result, it may be possible to maximize coverage in the wireless communications cell with fewer RF beams, thus helping to reduce computational complexity, processing latency, and energy consumption of the wireless communications apparatus.
US11381288B2 Communication method, network device, and terminal device
A communication method, including performing, by a terminal device, in response to a value of a resource bundling granularity being a first-type value, determining at least one resource block bundling group in a scheduling resource corresponding to a terminal device according to the first-type value of the resource bundling granularity, wherein, the first-type value comprises 2 or 4, and receiving, using the at least one resource block bundling group, data transmitted by a network device. The method further includes performing, by the terminal device, in response to the value of the resource bundling granularity being a second-type value, determining a scheduling resource corresponding to the terminal device as a same resource block bundling group, wherein, the second-type value comprises a size of a consecutive scheduling bandwidth of the terminal device, and receiving, using the resource block bundling group, data transmitted by the network device.
US11381281B2 Fast data transmission for wireless power transfer systems
A power receiver is provided herein. The power receiver provides in-band communication with a power transmitter. The power receiver recognizes a change in frequency that identifies a training sequence and determines an impulse response with respect to the training sequence. The power receiver also cancels an effect of the impulse response during the in-band communication.
US11381280B2 Communication device
An MFP establishes a first communication link L1 by receiving an activation command and sending an OK command. The MFP receives first target data from a portable device by using the first communication link. The MFP generates second target data by processing the first target data. After receiving the first target data, the MFP disconnects the first communication link. The MFP establishes a second communication link by receiving the activation command and sending the OK command. The MFP sends the second target data to the portable device by using the second communication link.
US11381276B1 System and method for facilitating adaptive frequency hopping in communication systems
A frequency hopping device is co-located with a set of frequency hopping devices, and includes a controller that is configured to identify from a plurality of channels, first and second sets of channels that are available and unavailable for an adaptive frequency hopping (AFH) operation associated with the frequency hopping device, respectively. The controller is further configured to assign a lowest priority level to each channel of the second set of channels, an intermediate priority level to each channel of the first set of channels that is to be utilized by the set of frequency hopping devices, and a highest priority level to each remaining channel of the first set of channels. Further, the controller is configured to generate an AFH map based on a number of channels that have the highest priority level, and execute the AFH operation based on the AFH map.
US11381275B2 Ranging protocol improvements to support antenna switching
This disclosure provides systems, methods and apparatuses, including computer programs encoded on computer storage media, for ranging procedures performed using antenna switching. In one aspect, a device initiating a ranging procedure may transmit a ranging request, which may include antenna switching capabilities of the initiating device, a request for antenna switching by a responding device during the ranging procedure, or both. Ranging signaling may be communicated between the initiating device and the responding device using different transmit antennas, receive antennas, or both. In some implementations, ranging messages transmitted by the responding device may include transmit antenna indices used for transmission of different ranging messages, and receive antenna indices used for reception of different ranging response messages. The initiating device may estimate a range relative to the responding device based on round trip times (RTTs) associated with different antenna pairs used during the ranging procedure.
US11381272B2 Apparatus and method for controlling transmission power
An apparatus and method are provided for controlling a transmission power of a wireless communications device to comply with an output energy limit during a measurement period, including calculating a target output energy based on a communications channel; calculating a first average output energy corresponding to a previous period having a duration substantially equal to the measurement period; calculating a second average output energy by low-pass-filtering the target output energy and the first average output energy; and limiting the transmission power of the wireless communications device based on an energy margin between the output energy limit and the second average output energy.
US11381269B1 Method and device for timing recovery decoupled FFE adaptation in SerDes receivers
A device and method for a receiver configured to perform timing recovery decoupled feed-forward equalizer (FFE) adaptation. The receiver device can include an analog front-end (AFE) device, which is coupled to a time-interleaved (TI) interface. The TI interface is coupled in a timing recovery feedback loop to FFE equalizers, a digital signal processor (DSP), a delay timing loop (DTL) device, and a clock device, which feeds back to the TI interface. The DSP has an additional pathway to the FFE equalizers, which has an additional pathway to the DTL device. The DTL loop is equipped with an interleave specific enable/disable vector Q[1:N] that can turn on/off the contribution of the specific time interleave errors to the timing recovery loop, which allows the FFE adaptation process to be decoupled from the timing recovery loop.
US11381266B1 Wireless communication with interference mitigation
In one implementation, a wireless communications terminal includes a multi-element antenna. In addition, the terminal includes preliminary signal combiners to combine received signals output by corresponding pairs of antenna elements. For each preliminary signal combiner, the signal output by a first of the pair of elements provides a model of interference present in the received signal output by the second of the pair of elements. The preliminary signal combiner is configured to combine the signal output by the first element with the signal output by the second element to produce an initial interference-mitigated signal. The terminal also includes phase shifters to apply complex weights to interference-mitigated signals to produce complex-weighted versions of the interference-mitigated signals and effectively steer a main beam of the antenna to facilitate reception of a desired signal and another signal combiner to combine the complex-weighted versions of the interference-mitigated signals to produce an interference-mitigated output signal.
US11381264B2 System-aware RF front ends for wireless communication systems
System-aware radio frequency (RF) front ends for wireless communication systems are provided. High complexity communication systems, such as Third Generation Partnership Project (3GPP) fifth generation (5G)-new radio (NR) systems, impose severe board area, volume, thermal and interference penalties on wireless devices. In the case of 5G-NR, this is due to the number of bands to be supported, the instantaneous bandwidth and spectral efficiency among other parameters. Other communications systems can involve high modulation of other parameters that similarly impose such penalties. Embodiments described herein provide a co-designed RF front end architecture that utilizes system knowledge (e.g., from baseband or other digital control circuitry, from antenna feedback, etc.) to dynamically adjust the parameters of various RF front-end components. System-aware RF front ends are thus able to improve and optimize performance criteria (e.g., to reduce the above penalties in complex communications systems).
US11381260B2 Architecture for guessing random additive noise decoding (GRAND)
There is provided a method comprising, at a data receiver, receiving a channel codeword from a data sender over a noisy data channel, generating a plurality of candidate error patterns, the plurality of candidate error patterns comprising a plurality of one-bit error patterns and a plurality of multiple-bit error patterns generated from the plurality of one-bit error patterns, evaluating the plurality of candidate error patterns for codebook membership, based on the channel codeword, and outputting an estimated codeword when a codebook membership constraint is satisfied for a given candidate error pattern.
US11381259B2 Decoding method and device for turbo product codes, decoder and computer storage medium
A decoding method and device for Turbo product codes, a decoding device, a decoder and a computer storage medium are provided. The method includes: a received codeword of a Turbo product code is acquired, and iterative decoding is performed on the received codeword for a set first iterative decoding times (S101); a decoding result of iterative decoding performed for the first iteration times is judged according to a first decoding rule to obtain a decoding identifier representing the decoding result (S102); and error correction processing is performed on the Turbo product code on which iterative decoding is performed for the first iteration times according to the decoding identifier (S103).
US11381254B1 High throughput and area efficient partial parallel hard decoder for low-density parity-check codes
A hard decoder includes an input data handler that receives and rearranges a low-density parity-check (LDPC) codeword, and a variable node updater that iteratively updates the rearranged LDPC codeword to generate an updated LDPC codeword during each decoding iteration of the rearranged LDPC codeword. The hard decoder further includes a syndrome generator that generates a syndrome vector associated with the updated LDPC codeword of each decoding iteration. During each decoding iteration, the rearranged LDPC codeword is updated based on a threshold value and the syndrome vector associated with the updated LDPC codeword of a previous decoding iteration and a validity of the updated LDPC codeword of the previous decoding iteration. The hard decoder further includes an output data handler that extracts a message from the updated LDPC codeword that is valid and outputs the extracted message.
US11381252B1 Methods and systems for short error event correction in storage channel applications
A method for decoding a codeword includes partitioning the codeword into a plurality of component codewords where each of the component codewords comprising a respective plurality of bits. The respective plurality of bits in each of the plurality of component codewords are interleaved. Each of the plurality of interleaved component codewords are decoded along two dimensions to produce (i) a set of first decoding results and (ii) a set of second decoding results. A short error event is then detected and corrected based on (i) the set of first decoding results and (ii) the set of second decoding results.
US11381249B2 Arithmetic encoding/decoding of spectral coefficients using preceding spectral coefficients
The invention proposes a method and a device for arithmetic encoding of a current spectral coefficient using preceding spectral coefficients. The preceding spectral coefficients are already encoded, and both the preceding and current spectral coefficients are comprised in one or more quantized spectra resulting from quantizing a time-frequency-transform of video, audio or speech signal sample values.
US11381246B2 Time-to-digital converter and converting methods
A time-to-digital converter and a converting method are provided. The time-to-digital converter includes: a phase locked loop unit configured to multiply an input reference clock by using a phase locked loop (PLL); a counting unit configured to count the multiplied input reference clock and record an edge position of an input signal; a delay locked loop unit configured to decompose the multiplied input reference clock into a multi-phase clock using a delay locked loop (DLL), and sense the recorded edge position of the input signal among the decomposed multi-phase clock and record a fine edge position; and a control unit configured to calculate a time difference in time of flight (ToF) between a start signal and a stop signal of the input signal by using the recorded edge position and the recorded fine edge position.
US11381243B2 Integrated circuit applications using partial reconfiguration
Systems and methods for generating and deploying integrated circuit (IC) applications are provided. Partial reconfiguration functionality of an IC may be used to build reconfigurable application platforms that enable application execution on the IC. These apps may include partial reconfiguration bitstreams that allow ease of access to programming without cumbersome compilation via a set of complex tools. The apps may be acquired via a purchasing website or other mechanism, where the bitstreams may be downloaded to the IC, thus increasing usability of the IC as well providing addition revenue streams.
US11381240B2 Stacked MOSFET circuits and methods of operating stacked MOSFET circuits
Example MOSFET circuits include a first metal-oxide-semiconductor field-effect transistor (MOSFET) having a gate, a source and a drain, and a second MOSFET coupled in series with the first MOSFET. The second MOSFET has a gate, a source and a drain. The MOSFET circuit also includes a controller configured to supply a same control signal to the gate of the first MOSFET and the gate of the second MOSFET to turn on or turn off the first MOSFET and the second MOSFET when a drain-source voltage of the first MOSFET and a drain-source voltage of the second MOSFET are substantially zero. Other MOSFET circuits and methods of operating MOSFET circuits are also disclosed.
US11381238B1 Circuit device aging assessment and compensation
An apparatus including a set of one or more receivers; a first replica circuit being a substantial replica of at least a portion of one of the set of one or more receivers; a first control circuit generates an output signal selectively coupled to an input of the first replica circuit; a second replica circuit being a substantial replica of at least a portion of one of the set of one or more receivers; a comparator including a first input coupled to a first output of the first replica circuit, a second input coupled to a second output of the second replica circuit, and an output; and a second control circuit including an input coupled to the output of the comparator, and an output coupled to the first replica circuit and to the set of one or more receivers.
US11381236B2 Miller transition control gate drive circuit
Aspects of the present disclosure are directed toward designs and methods of improving driving of switching devices. One proposed solution to improving driving of switching devices is an auxiliary control circuit that selectively guides the switching device through at least one switching region, permitting an improved operation of the switching device.
US11381235B2 Temperature sensor circuits for integrated circuit devices
An integrated circuit device having insulated gate field effect transistors (IGFETs) having a plurality of horizontally disposed channels that can be vertically aligned above a substrate with each channel being surrounded by a gate structure has been disclosed. The integrated circuit device may include a temperature sensor circuit and core circuitry. The temperature senor circuit may include at least one portion formed in a region other than the region that the IGFETs are formed as well as at least another portion formed in the region that the IGFETs having a plurality of horizontally disposed channels that can be vertically aligned above a substrate with each channel being surrounded by a gate structure are formed. By forming a portion of the temperature sensor circuit in regions below the IGFETs, an older process technology may be used and device size may be decreased and cost may be reduced.
US11381234B2 Electronic circuitry and electronic apparatus
According to one embodiment, electronic circuitry includes a first surge voltage detection circuit configured to detect a surge voltage generated due to switching of a switching device and generate a first signal indicating a first current; and a current generation circuit configured to generate a second current larger than the first current by amplifying a current in response to input of the first signal and output the second current to a control terminal of the switching device.
US11381233B2 Circuit for protecting a power switch
A protection circuit for a transistor switch coupled to a power supply rail operates to modulate a control voltage at a control terminal of the transistor switch. A first circuit detects an overload across the terminals of the switch with respect to a threshold to generate a signal which modulates the control voltage. A second circuit operates to adjust a value of the threshold in response to sensed variations in a supply voltage at the power supply rail.
US11381230B2 Microelectromechanical tunable delay line circuit
Tunable delay circuit devices have an input port, an output port, at least three parallel paths connecting the input port and the output port, on each path, an input switch and an output switch, and on each path, a plurality of shunt resonant tanks connected between the input switch and the output switch, each shunt resonant tank periodically chargeable from the input port and dischargeable to the output port by operation of the input switch and the output switch.
US11381228B2 Sensor output circuit
A sensor output circuit is limited with high accuracy, and reduces radio wave radiation by signal transmission using a single-line signal. The sensor output includes a pulse signal Vin that changes according to a physical quantity to be measured, MOS transistors that perform on/off operations according to the pulse signal Vin, a constant current source that generates a constant current, a MOS transistor which generates a gate voltage of a MOS transistor, MOS transistors which form a current mirror circuit, and the MOS transistor which works to maintain a drain voltage of the MOS transistor at a constant voltage, and the output terminal which is driven by the MOS transistors connected in series. In addition, an output signal from the sensor output circuit is transmitted to a control circuit via an output signal line. The control circuit includes a pull-up resistor, a capacitor, and an input gate circuit.
US11381224B2 Clockless programmable pulse width generation using an inverse chaotic map
Technologies are provided for generation of programmable pulse signals using inverse chaotic maps, without reliance on a clocking signal. Some embodiments of the technologies include an apparatus that can receive a sequence of bits having a defined number of bits, where the sequence of bits represent a desired continuous pulse signal having a programmable width in time-domain. The apparatus can also can receive a precursor continuous pulse signal having an arbitrary width in time-domain that fits within the dynamic range of the apparatus. The apparatus can generate the desired continuous pulse signal by transforming the precursor continuous pulse signal using the sequence of bits and an inverse chaotic map.
US11381223B2 Power supply system
A power supply system includes: a first power storage device; a second power storage device having a lower voltage than the first power storage device; a DC-DC converter including a choke coil, a first switching element, a diode connected in parallel with the first switching element, and a second switching element; a semiconductor relay configured to switch a connection state between a second end of the choke coil and the second power storage device; and a controller configured to perform PWM control of the first switching element and the second switching element to control ON and OFF of the semiconductor relay. When an ON time of the second switching element is controlled to become zero and a current flowing out from the second power storage device exceeds a first reference current, the controller reduces a duty ratio of an ON time of the first switching element.
US11381222B2 Apparatus for performing baseline wander correction with aid of differential wander current sensing
An apparatus for performing baseline wander correction (BLWC) with the aid of differential wander current sensing includes filters and a correction circuit. The filters are positioned in a front-end circuit of a receiver and coupled to a set of input terminals of the receiver, and filter a set of input signals on the set of input terminals to generate a set of differential signals on a set of secondary terminals, for further usage by the receiver. The correction circuit is positioned in the frontend circuit and electrically connected to the set of input terminals and the set of secondary terminals, and performs BLWC on the set of differential signals according to the set of input signals. In the correction circuit, amplifiers and resistors form a differential wander current sensor to sense differential wander current, and a set of current mirrors generate corresponding baseline wander compensation current to perform BLWC.
US11381218B2 High-frequency module
A high-frequency module includes a high-frequency switch, filters (21 to 23), (31 to 33), and connection circuits (41 to 46). The high-frequency switch has filter-side terminals (Ps1 to Ps 6). The filters (21, 22, 23) each include a plurality of filters having characteristics different from each other. The filters (31, 32, 33) each include one type of filter. The connection circuits (41, 42, 43) connect the terminals (Ps1, Ps2, Ps3) of the high-frequency switch to the common terminals (Pc21, Pc22, Pc23) of the filters (21, 22, 23), respectively. The connection circuits (44, 45, 46) connect the terminals (Ps4, Ps5, Ps6) of the high-frequency switch to the filters (31, 32, 33), respectively. The connection circuits (41, 42, 43) are shorter than the connection circuits (44, 45, 46).
US11381213B2 Noise filter and electrical and electronic equipment
A noise filter includes a magnetic core including a magnetic material; and a distance adjusting member that accepts adjustment of a distance between a loop portion and the magnetic core, the loop portion being a portion of one or more conductor wiring lines wired in loop shape out of a first conductor wiring line and a second conductor wiring line.
US11381210B2 Amplifier, and receiving circuit, semiconductor apparatus and semiconductor system including the amplifier
An amplifier includes a first input circuit, a second input circuit, a first compensation circuit, a second compensation circuit. The first input circuit changes a voltage level of the negative output node based on a first input signal. The second input circuit changes a voltage level of the positive output node based on a second input signal. The first compensation circuit changes the voltage level of the positive output node based on the first input signal. The second compensation circuit changes the voltage level of the negative output node based on the second output signal.
US11381208B1 Continuous time linear equalization system and method
The present disclosure relates to an apparatus and method for continuous time linear equalization. Embodiments include a differential amplifier including a first transistor and a second transistor, wherein the differential amplifier includes a peak-generating path and a peak-reduction path. Embodiments also include at least one switch and at least one capacitor located between a source and a drain of at least one of the first transistor and the second transistor to create a capacitive path between the source and drain, wherein the at least one switch and at least one capacitor are configured to reduce bandwidth.
US11381205B2 Potentiostat circuit
A potentiostat circuit for controlling a work electrode voltage and for measuring a work electrode current is disclosed. The disclosed potentiostat circuit implementations have a topology and include elements to provide a plurality of benefits. The plurality of benefits includes an enlarged range of controllable work electrode voltages and bidirectional work electrode current measurements, high immunity from temperatures variations and process mismatch. The disclosed potentiostat circuit implementations can be used in applications requiring accuracy, low power consumption, and small size. The applications can include portable and/or multichannel electrochemical applications.
US11381196B2 Stage driving apparatus, lithography apparatus, and method of manufacturing article
The present invention provides a stage driving apparatus for driving a stage, comprising: a linear motor including a stator which includes a coil array obtained by alternately arraying first phase coils and second phase coils, and a movable element placed on the stage; and a control unit configured to control the linear motor by controlling an energization state of the coil array, wherein in a stopping period during which the stage is stopped in a predetermined position, the control unit holds a position of the stage in the predetermined position by turning on the first phase coil among the coil array, and generates heat by turning on the second phase coil arranged in a position where no thrust is given to the movable element among the coil array.
US11381195B2 Apparatus for operating phase cut switch in motor driven power steering apparatus
Provided is an apparatus for operating a phase cut switch in a motor driven power steering apparatus. The apparatus for operating a phase cut switch in a motor driven power steering apparatus includes: a phase cut switch installed for an inverter for converting a voltage into 3-phase power and driving a driving motor and for each phase of input terminals of the driving motor; a gate driving unit configured to receive a driving signal from a control device and operate the phase cut switch; and a current circulation unit configured to circulate a counter electromotive force of the driving motor at an output terminal of the gate driving unit and an output terminal of the phase cut switch.
US11381194B2 Protective device for a semiconductor switch of an electric motor of an electromechanical motor vehicle steering system
An electromechanical motor vehicle power steering system having a multiphase, permanently excited electric motor via a controller and supply lines from an onboard power supply of a motor vehicle.
US11381193B2 Embedded electronic motor disconnect
A disconnect override circuit for a power conversion system includes a first input coupled to a user disconnect switch to receive a disconnect input signal, as well as a second input coupled to a motor drive or motor starter to receive a fault signal, and a third input adapted to receive an override signal. The disconnect override circuit has an output configured to provide a disconnect control output signal to control a user disconnect circuit according to the disconnect input signal, the fault signal and the override signal, the output signal having a first state to cause the user disconnect circuit to allow power transfer from the AC input to the motor drive or motor starter, and a second state to cause the user disconnect circuit to prevent power transfer from the AC input to the motor drive or motor starter.
US11381187B2 Motor control apparatus and control method for motor control apparatus
A motor control apparatus that controls a first motor and a second motor that are synchronized includes a first motor control unit configured to control a driving voltage of the first motor based on the torque current instruction value, which is output based on a torque current of the first motor for the first motor, and a second motor control unit configured to control a driving voltage of the second motor based on the torque current instruction value, which is output based on a torque current of the second motor for the second motor, wherein the first torque correction unit or the second torque correction unit corrects the torque current instruction value for the first motor or the toque current instruction value for the second motor based on the torque current of the first motor and the torque current of the second motor.
US11381186B2 Motor drive device, electric oil pump, and method for detecting failure of motor drive device
Provided is a motor drive device including a motor having a rotor and a stator, an inverter electrically connected to the motor, and a control device for controlling the inverter. The control device includes: an impedance observer that estimates at least an amount of variation in impedance of the motor on the basis of a voltage command value, a current command value, and an actual current flowing between the inverter and the motor; a comparator that calculates a difference between the current command value and the actual current flowing between the inverter and the motor; and a failure detection unit that outputs a failure flag when the amount of variation in impedance exceeds or falls below a predetermined threshold, or when the difference calculated by the comparator exceeds or falls below a predetermined threshold.
US11381183B2 Compressor for generating compressed air, compressed air supply system, pneumatic system, and method for operating a compressor
A compressor system for generating compressed air for a compressed air supply system in a vehicle. The compressor system includes a brushed direct current electric motor (BDC electric motor); a compressor configured to be driven by the BDC electric motor; and a control unit for controlling the BDC electric motor and allocated to the BDC electric motor so as to delimit an operating current of the electric motor. A free-running current path is allocated to the control unit, the free-running current path being configured to delimit the operating current of the electric motor in a variable manner. A switch controller is allocated to the control unit, the switch controller being configured to specify a switched-on time period (t_ON) and/or a switched-off time period (t_OFF) for the electric motor in a variable manner.
US11381179B2 Method of generating a controllable electrostatic attraction force between two objects and providing adhesion with this attraction force
A method of generating an electrostatic attraction force includes an application of an insulating surface, wherein the insulating surface separates electrode arrays and the electrode arrays positioned in at least two different axes and providing an adhesion with an help of the electrostatic attraction force, wherein a matrix array is formed for an electrostatic attraction force region to provide gravity to at least one of objects, at a desired point and a number of electrodes is generated by feeding with a DC voltage and/or an AC voltage at desired points and at a desired force, wherein at least two objects adhere with the electrostatic attraction force.
US11381173B2 Switching regulator and control circuit thereof and quick response method
A switching regulator which has load transient quick response ability includes at least one power stage circuit and a control circuit. The control circuit includes a pulse width modulation (PWM) signal generation circuit and a quick response (QR) signal generation circuit. The PWM signal generation circuit generates a PWM signal according to an output voltage and a QR signal, to control a power switch of the corresponding power stage circuit, thus converting an input voltage to the output voltage. The QR signal generation circuit includes a differentiator circuit and a comparison circuit. The differentiator circuit performs a differential operation on a voltage sensing signal related to the output voltage, to generate a differential signal. The comparison circuit compares the differential signal with a QR threshold signal, such that when the differential signal exceeds the QR signal, the PWM signal generation circuit performs a QR procedure.
US11381169B2 Power supply unit with auxiliary boost control in bootloader mode
The technology described herein is directed to a DC input power supply unit with an auxiliary boost control circuit (or controller) that facilitates continuous supply of power to a standby output load of the power supply unit in a bootloader mode. More specifically, the auxiliary boost circuit (or controller) is configured to assume control of a primary power boost stage from a primary controller in a bootloader mode so that the power supply unit can continue to supply power to the standby output with a protection function regardless of the state of the power supply unit or primary controller.
US11381166B2 Switch power supply circuit
The present disclosure provides a switch power supply circuit, which includes a step-down transistor, a control module, a first switch transistor, a second switch transistor, a third switch transistor, and a power switch transistor. In the switch power supply circuit of the present disclosure, the first terminal of the second switch transistor is directly coupled with the input voltage, and the second switch transistor can directly obtain sufficient driving current from the input voltage to drive the power switch transistor. The present application can ensure the reliability and efficiency of the system without an additional energy storage capacitor, which reduces the costs of the system.
US11381165B2 Power supply controller having reduced acoustic noise and method of reducing acoustic noise
The power supply controller is for use in a power supply circuit, for reducing acoustic noise. The power supply control circuit generates a control signal according to a voltage identification (VID) signal and a voltage sense signal, to operate a power switch in a power stage circuit, thus converting an input voltage to an output voltage. The power supply control circuit includes a conversion circuit and a PWM control circuit. The conversion circuit includes a DAC and a slope control circuit. When the power supply controller operates in an acoustic noise reduction mode and when a present level is higher than a requested level, the slope control circuit adjusts a descending slope of an analog voltage identification signal which is generated according to the VID signal, so as to restrain a decrease velocity of the output voltage to be higher than zero but not higher than a predetermined velocity.
US11381164B1 Pre-charge technique for improved charge pump efficiency
A charge pump includes first and second multiplier stages including first and second capacitor in series with an input node, a final multiplier stage including an output capacitor in series with the second capacitor and an output node, and pre-charge circuitry. The pre-charge circuitry is configured to charge the output capacitor to a first level during an initial phase of a charging operation, wherein the first level is equal to a supply voltage of the data storage system, and decouple a charging path of the pre-charge circuitry from the output capacitor in response to the output capacitor being charged to the first level. The first and second multiplier stages are configured to increase the charge of the output capacitor to second and third levels higher than the first level during second and third phases of the charging operation.
US11381160B2 Variable switching frequency switched tank converters and associated methods
A method for controlling a switched tank converter (STC) includes (a) driving a first resonant tank circuit of the STC at a first frequency and with a first fixed on-time, to obtain a first fixed ratio of output voltage of the STC to input voltage of the STC, while the STC is powering a load having a first magnitude and (b) driving the first resonant tank circuit of the STC at a second frequency and with the first fixed on-time, to obtain the first fixed ratio of output voltage of the STC to input voltage of the STC while the STC is powering a load having a second magnitude. The second frequency is smaller than the first frequency, and the second magnitude is smaller than the first magnitude.
US11381158B2 Method for controlling a power converter in a fault condition state and protection of same
A controller (203) comprises a processing system (205) for controlling a power electronic converter during a short circuit taking place in a direct voltage side of the power electronic converter. The processing system recognizes a direction of current in a phase (126-128) of an alternating voltage side of the power electronic converter, sets a high-leg controllable switch (108-110) of the phase to a conductive state while keeping a low-leg controllable switch (111-113) of the phase in a non-conductive state when the recognized direction of the current is outwards from the power electronic converter, and otherwise sets the low-leg controllable switch to the conductive state while keeping the high-leg controllable switch in the non-conductive state. Thermal loadings of freewheeling diodes (114-119) of the power electronic converter are reduced since currents needed to burn input fuses (122) of the power electronic converter are shared between the controllable switches and the freewheeling diodes.
US11381157B1 Motor drive and method for reducing dead band of motor drive
A motor drive is provided, which includes a control circuit, a first transistor, a first comparison circuit, a second transistor and a load. The control circuit includes a first output terminal and a second output terminal; the first output terminal outputs a first control signal; the second output terminal outputs a second control signal whose phase is inverse to the phase of the first control signal. The gate of the first transistor receives the first control signal. The first comparison circuit compares the gate-source voltage with a reference voltage to generate a first comparison signal. When the first comparison signal shows that the first control signal is reduced to be lower than the reference voltage, the second control signal generated by the second output terminal is transmitted to the gate of the second transistor.
US11381155B2 Overvoltage protection circuit and power supply apparatus
An overvoltage protection circuit includes an error amplifier, which outputs a first command voltage for bringing the output voltage of a converter closer to a first set voltage, and an overvoltage detection circuit, which outputs a second command voltage for bringing the output voltage of the converter closer to a second set voltage that is higher than the first set voltage. The overvoltage protection circuit controls the converter based on the first command voltage and the second command voltage. Noise immunity can be guaranteed even when an overvoltage detection level is set lower than the level of disturbance noise.
US11381152B2 Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and PWM converter system
A signal processor is configured to perform a process equivalent to performing a series of fixed-to-rotating coordinate conversion, a predetermined process and then rotating-to-fixed coordinate conversion, while maintaining linearity and time-invariance. The signal processor performs a process given by the following matrix G: G = [ F ⁡ ( s + j ⁢ ⁢ ω 0 ) + F ⁡ ( s - j ⁢ ⁢ ω 0 ) 2 F ⁡ ( s + j ⁢ ⁢ ω 0 ) - F ⁡ ( s - j ⁢ ⁢ ω 0 ) 2 ⁢ j - F ⁡ ( s + j ⁢ ⁢ ω 0 ) - F ⁡ ( s - j ⁢ ⁢ ω 0 ) 2 ⁢ j F ⁡ ( s + j ⁢ ⁢ ω 0 ) + F ⁡ ( s - j ⁢ ⁢ ω 0 ) 2 ] where F(s) is a transfer function representing the predetermined process, ω0 is a predetermined angular frequency and j is the imaginary unit.
US11381150B2 Semiconductor switch control circuit and switching power source device
A semiconductor switch control circuit configured to perform an ON/OFF control of a semiconductor switch and includes: a pulse signal generating part configured to generate a pulse signal; a drive current generating part configured to generate a drive current based on the pulse signal which the pulse signal generating part generates and supplies the drive current to a gate electrode of the semiconductor switch; a gate voltage detecting part configured to detect a gate voltage VGS of the semiconductor switch; and a drive current control part configured to control the drive current which the drive current generating part generates based on the pulse signal which the pulse signal generating part generates and the gate voltage VGS which the gate voltage detecting part detects.
US11381149B2 Switching element control circuit and power module
A switching element control circuit includes: a third electrode voltage control part which controls a third electrode voltage; a first electrode current detection part which detects a first electrode current which flows through the switching element; a memory part which stores information including an initial threshold voltage and an initial first electrode current, and a drain current characteristic of a threshold voltage; and a threshold voltage calculation part which calculates a threshold voltage at a time of operating the switching element based on information including the first electrode current, the initial threshold voltage, and an initial first electrode current, and information relating to the first electrode current characteristic of the threshold voltage, wherein the third electrode voltage control part controls the third electrode voltage based on a threshold voltage at the time of operating the switching element calculated by the threshold voltage calculation part.
US11381146B2 Drive device having a tubular linear motor and a stainless steel casing
In a drive device having a tubular linear motor with a stator (1), an armature (2) and a bottom flange (30), the stator (1) is arranged on the bottom flange (30) in thermal contact with the bottom flange (30). The stator (1) is fluid-tightly enclosed by stainless steel. The bottom flange (30) consists at least partly of a material having a higher thermal conductivity than stainless steel. The stator (1), together with the bottom flange (30), is enclosed by a casing (40) made of stainless steel which is in thermal contact with the bottom flange (30) and encloses the bottom flange (30) and the stator (1) in common. The stator (1) is a tubular stator (1) having drive coils (12) arranged therein and also having a longitudinal axis and a through-hole (11) which extends through the tubular stator (1) coaxially with the longitudinal axis. The armature (2) has a fluid-tight armature tube (21) made of stainless steel, in which permanent magnets (23) are arranged, and is arranged so as to be movable relative to the tubular stator (1) in the through-hole (11) in the direction of the longitudinal axis. The tubular stator (1) and the bottom flange (30) are so arranged relative to one another that a portion of the tubular stator (1) is in thermal contact with the bottom flange (30).
US11381145B2 Step motor
A linear or rotary step motor for moving an object comprising: one or more beam actuators; and one or more auxiliary actuators. Each beam actuator comprises: (a) a flexible beam; (b) two holders holding the flexible beam from the beam edges; and (c) an actuator for moving the said at least one holder in order to bent the beam toward the object or to pull the beam away from the object. The axillary actuators are connected to the one or more beam actuators. The beam actuators configured to grip or release the object, and the one or more beam actuators perform a movement step to the object by first grip the object by the one or more beam actuators then push the object by activating the auxiliary actuator.
US11381141B2 Motor
A motor includes a rotor rotatable about a center axis extending vertically, a stator radially opposing the rotor, a bracket holding the stator, a circuit board including an upper surface with a first wiring pattern and a lower surface with a second wiring pattern, and a first fixing portion having conductivity and fixing the circuit board to the stator. The stator includes a stator core having conductivity. The first fixing portion includes a board holding portion holding the circuit board, and a stator fixed portion fixed to a portion of the stator core. The board holding portion is in contact with the first wiring pattern and the second wiring pattern.
US11381140B2 Motor
A motor includes a sheet-like gasket for sealing the gap between a stator core and an encoder. The gasket has a structure including a metal plate and a sealing member covering the metal plate, and the gasket includes a first portion that is disposed at least between the end face on one end side of the stator core and the encoder and a second portion that has a structure including the sealing member with no metal plate and extends inward from the first portion to contact the projection.
US11381139B2 Motor and rotary apparatus including the same
To provide a motor inhibiting emission of electromagnetic noise (EMC) to the outside and a rotary apparatus including the motor. The rotary apparatus (10) of the present disclosure includes: a housing (20); a motor (40) arranged inside the housing (20); a circuit board (50) arranged inside the housing (20) and electrically connected to the motor (40); and a flexible wiring board (44) electrically connecting the motor (40) to the circuit board (50), the motor (40) including a frame (41a) formed with a conductive member, the frame (41a) electrically connected via the flexible wiring board (44) to a ground of the circuit board (50).
US11381137B2 Electric motor, compressor, air conditioner, and method for manufacturing electric motor
An electric motor includes a stator assembly, a rotor provided inside the stator assembly, and a heat sink to radiate heat from the stator assembly. The heat sink includes a base portion, and a heat radiating portion formed integrally with the base portion.
US11381135B2 Rotor for asynchronous electrical machine with non-through shaft and associated electrical machine
Provided is a rotor for an asynchronous rotary electrical machine with non-through shaft that includes a cylindrical magnetic mass gripped between two mounting flanges of two half-shafts, a cooling means capable of cooling the rotor and conductive bars housed within the magnetic mass and distributed substantially uniformly over a diameter of the magnetic mass. The cooling means includes, for each conductive bar, at least one cooling channel, opening onto the conductive bar according to an axial direction and located within the magnetic mass and at least one through hole arranged within each conductive bar in such a way that the cooling channel communicates with at least one hole arranged on the outer periphery of the magnetic mass.
US11381134B2 Sub-terranean updraft tower (STUT) power generator
A Sub-Terrestrial Updraft Tower (STUT), combination subsurface Downdraft/Updraft Tower, comprising an Inner Updraft Shaft and Outer Downdraft Shaft, housing the Inner Updraft Shaft, receiving air flow from air-inlets at surface level into Outer Downdraft Shaft. Upon reaching the bottom of the Outer Downdraft Shaft, air flow reverses In direction, inward and upward, into the Inner Updraft Shaft. Volumetric Displacement or airflow is induced and sustained via the injection of air and heat into the Downdraft/Updraft respectively; driving a plurality of sustained system pressure biases, and fed by temperature differentials that are initiated, sustained, and enhanced due to the configuration, orientations and functions of numerous STUT elements including partitions, thermal barrier coatings, air intake and cowlings; creating coherent, accelerated airflow to pass through/within a ringed shaped, diverging converging Vertical Axis Vertical Airflow Nozzle and Turbine (VAVANT); airflow causes rotation of VAVANT, and summation of torque forces at VAVANT hub, shaft, gearbox, and power head, generate EMF, and electrical power.
US11381132B2 Power generation method and system equipped with energy storage and energy release accommodation mechanism
The invention provides a power generation method and a system equipped with energy storage and energy release accommodation mechanism. By using an energy storage and energy release accommodation system arranged in the system, the generator set at an end of the system can immediately supplement energy from an energy storage unit after providing electric energy to a load, so that the output energy will not drop suddenly, while still stably maintaining both the rated energy output and the system operation.
US11381128B2 Stator with exterior members over molded coils
A stator includes first exterior members that surround sides of outer circumferential portions of coil ends on both end sides of an iron core, second exterior members connected to the first exterior members, and which surround sides of end portions of the coil ends in the axial direction, and mold members that cover the coil ends and are placed in contact with the first exterior members and the second exterior members. Holes are formed in the second exterior member on one end side, and a surface that faces the mold member, of the second exterior member on the one end side, is inclined in a manner so that a thickness thereof becomes continuously thinner toward the holes.
US11381125B2 Rotor for an electric machine
A rotor for an electric machine is provided. Permanent magnets are disposed on the rotor such that the permanent magnets cannot carry out any tangential movement. The rotor may have four shoulders that extend away from a shell surface of the rotor in a radial direction. Primary permanent magnets that are disposed so as to be mutually contiguous and contiguous to the respective shoulders and accordingly cannot be displaced are in each case located between the shoulders. Secondary permanent magnets are disposed on the shoulders such that an annulus of magnets that is free of gaps and voids and is not movable in the tangential direction is formed.
US11381122B2 Method for detecting a plug-in operation
The disclosure relates to methods for detecting a plug-in operation of a charging connector in a charging socket of an electrically drivable vehicle, wherein the charging connector has a control signal line for transmitting control signals between the electrically drivable vehicle and a charging station, including: detecting an amplitude change of a control signal on the control signal line in order to detect the plug-in operation.
US11381120B2 Wireless charging interference mitigation
An electronic device such as a portable electronic device has wireless power receiving circuitry. A vehicle has a vehicle remote keyless system that transmits beacons. A key receives the beacons and responds with key codes to unlock doors and enable a vehicle ignition in the vehicle. In the presence of wireless power transfer operations there is a risk that wireless power signals will interfere with the reception of the beacons by the key. To ensure that beacons are satisfactorily received, conditions in which there is a risk of interference are detected and corresponding interference mitigation operations are performed.
US11381113B2 Wireless power transmission device
A coil structure for wireless power transmission is provided. The coil structure comprises: a primary resonance coil wound in a spiral shape around a centripetal point; a primary induction coil, which supplies power to the primary resonance coil in a nonconnected state with an input or output terminal of the primary resonance coil and is wound in a spiral shape on a substantially same plane around a substantially same centripetal point as the centripetal point; a switch configured to be parallel with the primary resonance coil so as to control the ON and OFF of an operation of the primary resonance coil; and a capacitor coupled to the primary resonance coil so as to form a magnetic resonance with the primary resonance coil.
US11381112B2 Wirelessly chargeable portable power bank
A power bank includes, in part, a rechargeable battery, a wireless power recovery unit adapted to receive power wirelessly, a battery charging circuit adapted to deliver the power recovered by the power recovery unit to the rechargeable battery, an output interface, and a voltage reconditioning circuit adapted to supply power from the rechargeable battery to the output interface for delivery to an external device. The wireless power recovery unit may include one or more of a multitude of photodiodes adapted to convert a coherent optical signal to electrical power, an acoustic transducer adapted to convert acoustic waves to an electrical power, an inductive coupling circuit adapted to convert time varying magnetic flux to electrical power, and an RF power recovery unit adapted to convert an RF signal to electrical power.
US11381111B2 Communicating across galvanic isolation
A power conversion system comprising a system controller configured to generate an input signal in response to a system input and a switch controller coupled to the system controller, the switch controller configured to control a power switch. The switch controller comprises a driver interface configured to receive the input signal that indicates whether the power switch should be ON or OFF, the driver interface further configured to transmit one or more current pulses across a galvanic isolation using an inductive coupling. The driver interface further comprises a first local power supply configured to increase an output voltage of the first local power supply when a transmission of current pulses is imminent.
US11381101B1 Systems for vehicle battery charging around charge-adverse time periods
Systems, methods, and devices for controlling charging of vehicles, to avoid charging during charge-adverse time periods or during charge restriction events. This can advantageously reduce cost to vehicles owners, and or provide access to reward incentives. Further, power distribution entities (utility providers) advantageously have increased control over power distribution to avoid over-burdening of power distribution infrastructure. Further, systems and methods for determining or inferring whether a vehicle is connected to a charge station are described, which can be used to inform automatic restriction of vehicle charging.
US11381100B2 Method for controlling multi-mode charging, mobile terminal, and storage medium
Disclosed in the present invention are a method for controlling multi-mode charging, a mobile terminal, and a storage medium. The method comprises: pre-configuring multiple charging modes; connecting a charger, and receiving a user operation instruction, the operation instruction comprising a mode selection instruction; configuring and starting a timer according to a preset charging mode and the received operation instruction; and disabling or enabling a charging function when the time period set in the timer has passed.
US11381098B2 Energy storage system
An energy storage system has a battery device, a first terminal, a second terminal, a capacitor device and a DC/DC converter. The first and second terminals are respectively connected two electrodes of the battery device, and the two electrodes have opposite polarities. The capacitor device is electrically connected to the first and second terminals in parallel. The DC/DC converter is electrically connected between the first terminal and the capacitor device. The battery device composed of at least one secondary battery and the capacitor device composed of at least one capacitor are electrically connected to each other in parallel, and by combining with the DC/DC converter, configuring the relation between the equivalent series resistor of the capacitor device and the internal resistor of the battery device, and/or configuring the upper current limit of the rated current of range the DC/DC converter, the battery cycle life is increased.
US11381097B2 Docking device and charging management method thereof
The invention discloses a docking device and a charging management method thereof, including a first connection port, a second connection port, at least one peripheral equipment connection port, a power converter, a temperature sensor and a processor. The first connection port and the second connection port are both USB Type-C connectors, connected to a host and an external power respectively. When a real temperature value sensed by the temperature sensor rises to an upper temperature threshold, the processor controls the first connection port, the second connection port, and the peripheral equipment connection port coordinately according to USB-C power delivery protocol, requests an input voltage of the second connection port to be equal to the peripheral device voltage, and transmits the input voltage to the peripheral equipment connection port via the power converter. Neither does the power converter generate conversion loss nor does the docking device increase power loss and heat.
US11381096B2 Power management scheme for vibration harvester sensor
A system for managing sensor power to a remote wireless condition monitoring sensor installed on a railway rolling stock. The system provides an energy harvester that derives wireless sensor power, a rechargeable battery connected to the energy harvester for supplying energy to the rechargeable battery and for powering the system, an antenna for sending signals to a remote database based on measured vibration and acceleration data, a central processing unit having a memory an arithmetic logic unit and a control unit for controlling a function of the system. The remote wireless condition monitoring sensor is protected from potentially fatal over voltage and under voltage conditions and the operating life is prolonged by entering dedicated modes of operation based on battery voltage and available energy capacity as instructed by the central processing unit. Also, a method for carrying out the function of the system.
US11381095B2 Management device, energy storage apparatus, and management method for energy storage device
A management device for an energy storage device, includes a processing unit that manages the energy storage device. When the management device for the energy storage device has lost power due to a voltage drop of the energy storage device, the processing unit determines whether cause of the power loss is an external short circuit between external terminals of the energy storage device or an engine start, and the processing unit executes a response operation according to the occurrence of the external short circuit in the case of the external short circuit, and does not execute the response operation in the case of the engine start.
US11381094B2 Battery control apparatus and energy storage system including same
A battery control apparatus, a battery control method and an energy storage system including the battery control apparatus are disclosed. The disclosed battery control apparatus includes a first battery pack, a second battery pack, a first switch connected in series to the first battery pack between the first terminal and the second terminal, a second switch connected in series to the second battery pack between the first terminal and the second terminal, and a control unit. The control unit is configured to turn on both the first switch and the second switch when a voltage difference between the first battery pack and the second battery pack at a time point at which both the first switch and the second switch are turned off is less than a threshold voltage.
US11381093B1 Battery lockout override logic for a battery management system
Disclosed herein are battery management systems and methods for activating battery override logic for a battery management system to provide a power path to a battery pack. A method of activating battery override logic for a battery management system may comprise detecting a predetermined key toggle sequence performed in a predetermined amount of time or detecting an override message received from a CAN bus. The method may further comprise determining if the last override turn-on sequence was requested more than a predetermined amount of time ago, confirming that the override is configured for the contactor, and turning on the contactor to provide a power path to the battery pack for a limited predetermined amount of time. An exemplary predetermined toggle sequence may comprise on-off-on-off-on performed within 10 seconds. An exemplary override message from the CAN bus may be initiated by a user having a key, code, or access card.
US11381091B2 Processing circuit with multiple power supply ports and electronic device
The invention provides a processing circuit with multiple power supply ports and an electronic device. The processing circuit includes: N power supply ports; a first-level power supply; N middle transmission modules, connected between the first-level power supply and the corresponding power supply port, wherein at least one of which is used as a second-level power supply; and a charging protocol control module. The charging protocol control module is respectively connected to the first-level power supply, the N power supply ports, and the N middle transmission modules. The second-level power supply operates in a switching power mode or a pass through mode. In the pass through mode, the output voltage of the second-level power supply matches the input voltage received by the first-level power supply, and the output voltage of the second-level power supply is not adjustable.
US11381089B2 Electric power system and a method and equipment for controlling the same
An electric power system includes electric energy sources and control equipment for controlling the electric energy sources in accordance with a target value of electric power produced by the electric power system. The control equipment activates and deactivates the electric energy sources based on a control value and on activation and deactivation limits. The control value can be the target value or the actual value of the electric power. The control equipment controls active electric energy sources according to the target value and according to power sharing defined for the active electric energy sources. The activation and deactivation limits as well as activation and deactivation order of the electric energy sources can be determined based on properties of the electric energy sources and on a prevailing operational situation of the electric power system.
US11381087B2 Smart grid system and power management method thereof
A smart grid system includes a current sensor, and plural power conversion devices coupled to an AC grid. The current sensor measures a total current flowed through the AC grid, thereby providing a measured current value. The power conversion devices include a master power conversion device and plural slave power conversion devices. The master power conversion device receives the measured current value, thereby controlling an output power of the master power conversion device and providing a first duty cycle signal according to the measured current value. A first one of the slave power conversion devices which is coupled to the master power conversion device receive the first duty cycle signal, thereby controlling an output power of the first one of the slave power conversion devices according to the first duty cycle signal. The master power conversion device and the slave power conversion devices are communicated via a daisy chain connection.
US11381085B2 Operational support device for power generation facility
An operational support device sets an execution time of overfiring serving as an operation of a power generation facility at an output higher than a rated output. The device includes a life index value acquisition unit that acquires a life index value at a start time, the life index value being an index indicating a life of the power generation facility and changing in value in one direction with the output of the power generation facility; an output pattern setting unit that sets an output pattern per unit time of the power generation facility from the start time to a stop time based on the life index value such that the life index value reaches a predetermined value; and an overfiring setting unit that sets, based on the output pattern, a time in a period from the start to the stop time at which the overfiring is to be performed.
US11381082B2 Method of managing electricity providing in a computers cluster
Disclosed is a method of managing electricity providing in a computers cluster, including: a process of prediction of need of electricity provided by at least one renewable electricity source in the computers cluster, a process of prediction of availability of the electricity provided by the renewable electricity source, including: a step of managing failure risk of the renewable electricity source, by lowering the predicted availability, so as to: increase life expectancy of the renewable electricity source, and/or lower maintenance frequency of the renewable electricity source, a process of scheduling tasks in the computers cluster, based on both the prediction processes.
US11381081B2 Systems and methods for energy-related load optimization
Provided are energy device control systems for distributed grid subsystem that control a first power demand of a plurality of appliances. The control system comprises a graphical user interface configured to accept a user input indicative of a first demand and dynamic allocation flexibility associated with the a respective energy device; a communication interface configured to aggregate dynamic allocation values from a plurality of system nodes including at least the user input indicative of a first demand and the dynamic allocation flexibility; and at least one processor programmed to: generate a learning model for evaluating dynamic future allocation with future energy execution prediction, wherein the dynamic future allocation includes at least energy operational information based on a categorization of energy usage at a plurality of respective energy devices; and trigger energy generation on the energy grid at respective generator nodes according to the learning model and dynamic projections.
US11381079B1 System for protecting electromechanical switchgears and protection circuits in high-voltage applications
An electromechanical switching protection system includes an electromechanical switchgear having contacts configured to selectively open and close in response to a control signal, and a junction field effect transistor (JFET) device electrically connected in series with the electromechanical switchgear between an input terminal and an output terminal of the electromechanical switching protection system, a gate of the JFET device being electrically connected to the output terminal.
US11381073B2 Highly redundant DC voltage network
A DC voltage network includes at least three energy storage networks, each having an energy store supplying a DC voltage, and at least three power converters implemented as DC voltage converters. The energy store and the power converters are electrically connected at a common point, At least three DC voltage sub-networks are each connected to a respective power converter of the energy storage networks. A feed device connects a respective DC voltage sub-network to an AC voltage network. The DC voltage network may be installed in a vehicle, in particular a ship. In a method of controlling the DC voltage network in the event of a fault, at least one of the power converters is switched off to protect the DC voltage network, depending on the location of the fault.
US11381067B2 Method for producing an explosion-proof line bushing, and explosion-proof line bushing
An explosion-proof line bushing and method for producing the line bushing. A prespecified amount of elastomeric material is applied to a line and completely surrounds the line in a flat section in the circumferential direction. The line is inserted into a passage opening of a bushing body. The bushing body is preferably plastically deformed. After the plastic deformation, the elastomeric material substantially fills the volume remaining between the formed bushing body and line. The elastomeric material is elastically deformed and presses both against the line and the formed bushing body so that flame-proof gaps are formed between the bushing body and the line. The applied mass of the elastomeric material is determined depending on the inner volume between the formed bushing body and the line remaining.
US11381063B2 Assembly for protecting and securing a wiring harness
An assembly, configured to be mounted on a structure, includes a duct in the form of a hollow tubular body of which an inner space defines a zone for receiving a wiring harness. The duct is flexible and includes a longitudinal slot. The assembly includes attachment lugs rigidly connected to the duct and configured to be assembled to the structure. The assembly includes, at longitudinal edges of the duct, on either side of the slot, a pair of recesses with one recess per longitudinal edge. The receiving zone is compartmentalized into two longitudinal channels by a longitudinal separator extending from a longitudinal base of the duct to the slot. The separator has a recess in the same cross-section as the pair of recesses of the duct. The assembly includes a clamping member configured to be inserted into the pair of recesses of the duct and the recess of the separator.
US11381061B2 System for servicing cable
A system for servicing cable includes a field-end assembly and a live-end assembly, each mounted on a support structure having at least one drive mechanism operable to cause relative linear movement between the field-end assembly and the live-end assembly. A drilling-and-shorting assembly can create a short circuit in a field-end of the cable, and a continuity tester can test the integrity of the short-circuit. The field end of the cable can then be ejected from the system, and an end-cap-cradle assembly can position an end cap on a live end of an electrical cable and test its installation.
US11381060B2 VCSELs with improved optical and electrical confinement
An optoelectronic device includes a semiconductor substrate with a first set of epitaxial layers formed on an area of the substrate defining a lower distributed Bragg-reflector (DBR) stack. A second set of epitaxial layers formed over the first set defines a quantum well structure, and a third set of epitaxial layers, formed over the second set, defines an upper DBR stack. At least the third set of epitaxial layers is contained in a mesa having sides that are perpendicular to the epitaxial layers. A dielectric coating extends over the sides of at least a part of the mesa that contains the third set of epitaxial layers. Electrodes are coupled to the epitaxial layers so as to apply an excitation current to the quantum well structure.
US11381058B2 Semiconductor laser and atomic oscillator
A semiconductor laser including: a first mirror layer; a second mirror layer; an active layer, a current confinement layer, a first region, and a second region, in which the first mirror layer, the second mirror layer, the active layer, the current confinement layer, the first region, and the second region constitute a laminated body, the first region and the second region constitute an oxidized region of the laminated body, in a plan view, the laminated body includes a first part, a second part, and a third part disposed between the first part and the second part and resonating light generated in the active layer, and in a plan view, at least at a part of the third part, W1>W3 and W2>W3, W1 is a width of the oxidized region of the first part, W2 is a width of the oxidized region of the second part, and W3 is a width of the oxidized region of the third part.
US11381045B2 Fan connector
A fan connector comprises a connector body, a plurality of chip terminals, a plurality of wiring terminals, and a chip circuit board. The connector body comprises an electrical connection slot, a chip slot, and a wiring slot. The plurality of chip terminals and the plurality of wiring terminals are disposed on a sidewall of the electrical connection slot. The plurality of chip terminals corresponds to the plurality of wiring terminals, respectively. The chip circuit board comprises a chip, a circuit board, and a plurality of conductive pads. The chip circuit board is inserted into the chip slot. The plurality of conductive pads is in contact with the corresponding chip terminals. One end of the connector body is connected to a fan, in which a wire passes through the wiring slot and connects to the plurality of wiring terminals. An external plug is possible to insert into the electrical connection slot.
US11381041B2 Electrical connector with improved shielding effect
The present disclosure discloses an electrical connector including an insulating body, a plurality of conductive terminals, a shielding shell and an outer metal shell. The insulating body has a tongue plate. The plurality of conductive terminals include a ground terminal and a signal terminal. Each of the ground terminal and the signal terminal includes a contact portion exposed on the tongue plate. The outer metal shell is provided with a mounting portion for being mounted to a circuit board. The shielding shell is in contact with the ground terminal, and the outer metal shell is in contact with the shielding shell. There is no need to provide any mounting part on the shielding shell to be directly mounted on the circuit board, thereby saving installation space and improving installation convenience.
US11381039B2 Electrical connector
An electrical connector includes an insulative housing with a base and a mating tongue forwardly extending from the base in a front-to-back direction, and a plurality of contacts retained in the housing. The contacts include a plurality of differential-pair contacts and a plurality of grounding contacts alternately arranged with each other in the transverse direction. A metallic grounding plate is forwardly inserted into the horizontal center slot of the mating tongue with at least two sets of spring tangswelded to spaced positions of the corresponding grounding contacts, respectively so as to have each grounding contacts mechanically and electrically connected with the grounding plate at at least two spaced positioned in the front-to-back direction.
US11381038B1 Contact assembly with ground bus
A contact assembly includes a leadframe having signal contacts and ground contacts. The contacts include intermediate portions extending between mating and terminating ends. The ground terminating end has a leadframe ground bus connecting each of the ground contacts. The electrical connector includes a contact holder holding the contacts. The electrical connector includes cables terminated to the leadframe including signal conductors terminated to corresponding signal terminating ends. The leadframe ground bus is terminated to each of the ground shields to electrically common the ground shields. The electrical connector includes an external ground bus separate and discrete from the leadframe ground bus terminated to each of the ground shields at an opposite side of the cables from the leadframe ground bus to electrically common the ground shields.
US11381032B2 Electrical plug connector
An electrical plug connector terminates a twisted pair electrical cable. The electrical plug connector includes a base and a plug housing holding electrical contacts therebetween. The base includes a divider structure including separation walls. At least one of the separation walls defines an abutment surface against which a forward end of the electrical cable abuts when terminated by the electrical plug connector. The plug housing defines slots so that the electrical contacts are accessible. The electrical plug connector axially secures an outer jacket of the electrical cable against rearward movement relative to base. The at least one separation wall inhibits forward axial movement of the outer jacket of the electrical cable relative to the base.
US11381019B2 Connector and electronic device
A connector (10) according to the present disclosure is the connector (10) to be fitted to a connection object (60) and includes a first insulator (20), a second insulator (30) movable relative to the first insulator (20), and a plurality of arranged contacts (50) attached to the first insulator (20) and the second insulator (30). Each of the contacts (50) includes a wide portion located on at least one of a first insulator side and a second insulator side. The wide portion protrudes from another portion of each of the contacts (50) that extends along one of the insulators where the wide portion is located toward the other insulator in a direction substantially orthogonal to an arrangement direction of the contacts (50).
US11381014B2 Electrical contact having two side-by-side parts with joined bottom ends thereof
An electrical connector includes an insulative housing with a plurality of passageways extending through opposite upper and lower surfaces of the housing. A plurality of electrical contacts are received within the corresponding passageways, respectively. Each contact includes a first main body and a second main body side by side arranged with each other with a bridge transversely linked therebetween. At least one of the first main body and the second main body includes a retaining barb for retaining contact in the passageway. Two soldering pads are formed on the corresponding bottom ends of the first main body and the second main body, respectively. The two soldering pads intimately confront each other either in a horizontal direction or in a vertical direction, and are joined together via a solder ball located under the two soldering pads.
US11381013B2 Electrical connector
A connector includes an insulative housing having opposite upper and lower surfaces with a plurality of passageways extending therethrough, and a plurality of contacts retained in the corresponding passageways, respectively. Each contact includes a primary part and a secondary part discrete from each other. The primary part includes a first main body with a first spring arm extend upwardly through the upper surface for mating with the CPU, and a first soldering section around the lower surface. The secondary part includes a second main body with a second spring arm contacting the first main body, and a second soldering section around the lower surface. A solder ball is attached to the first soldering section and/or the second soldering section.
US11381009B2 Contact and connector
A contact includes a base portion, a cold-weld portion extending upward from the base portion and having a cold-weld slot into which an electric wire is configured to be cold-welded, a trailing portion extending downward by being folded back downward from an upper end of the cold-weld portion, and a contact portion extending from a lower end of the trailing portion. The trailing portion has a press-fitted portion below the cold-weld slot that is press-fitted into the housing. The contact portion makes contact with a mating contact by receiving the mating contact in a space between the contact portion and the base portion.
US11381007B2 Antenna system with planar antenna and directors and methods for use therewith
Aspects of the subject disclosure may include a planar antenna configured to transmit first signals as a first guided electromagnetic wave that is bound to a surface of a transmission medium, wherein the first guided electromagnetic wave propagates along the surface of the transmission medium without requiring an electrical return path, wherein the planar antenna includes an array of patch antennas that generates first near field signals in response to the first signals and a plurality of directors configured to guide a portion of the first near field signals from the array of patch antennas to the surface of the transmission medium, and wherein the portion of the first near field signals combines to induce the first guided electromagnetic wave that is bound to the surface of the transmission medium.
US11381006B2 Integrated tracking antenna array
A combiner network is provided. A combiner network may include a corporate combiner. The corporate combiner may include a first plurality of radiation elements. The corporate combiner may include a first H-plane combiner connected to the first plurality of radiation elements and connected by a U-bend to a first E-plane combiner. The corporate combiner may include a second H-plane combiner connected to the first E-plane combiner. The corporate combiner may further include a first port. A plurality of corporate combiners may be assembled together as a combiner network.
US11381000B2 Low-sidelobe plate array antenna
A low-sidelobe plate array antenna includes a radiation layer and a feed layer. The radiation layer is superimposed on the feed layer and includes a first plate and a radiation array disposed on the first plate. The radiation array is formed by n2 radiation units which are distributed in 2(k-1) rows and 2(k-1) columns. Each radiation unit in the radiation layer is constituted by two first radiation assemblies and two second radiation assemblies. Each first radiation assembly comprises a first rectangular bar, a first rectangular cavity, a second rectangular cavity and a third rectangular cavity. The first rectangular cavity, the second rectangular cavity and the third rectangular cavity in the first radiation assembly are stacked in presence of an azimuth deviation to form a three-layer coupled structure, and the first rectangular bar located in the first rectangular cavity can better restrain cross polarization and reduce the sidelobe.
US11380998B2 Center fed open ended waveguide (OEWG) antenna arrays
Example radar systems are presented herein. A radar system may include radiating elements configured to radiate electromagnetic energy and arranged symmetrically in a linear array. The radiating elements comprise a set of radiating doublets and a set of radiating singlets. The radar system also includes a waveguide configured to guide electromagnetic energy between each of the plurality of radiating elements and a waveguide feed. The waveguide feed is coupled to the second side of the waveguide at a center location between a first half of the plurality of radiating elements and a second half of the plurality of radiating elements. The waveguide feed is configured to transfer electromagnetic energy between the waveguide and a component external to the waveguides. The radar system may also include a power dividing network defined by the waveguide and configured to divide the electromagnetic energy transferred by the waveguide feed based on a taper profile.
US11380997B2 Antenna
An antenna comprises a split ring resonator. The antenna has a main portion, a feeding portion and at least one radiation element. The main portion forms a split ring. The feeding portion is provided on the main portion. The radiation element extends from the main portion.
US11380991B2 Electronically steerable antenna array
An electronically a steerable and switchable antenna array is provided that can produce a first beam with a first coverage range and a second beam with a second coverage range by selecting one of a first and a second beamwidth for both the first and second beams; in response to selecting the first beamwidth: switching signal inputs to narrow-beam antenna arrays; steering the first beam to one of a first positive, negative, or zero offset position; independently steering the second beam to one of a second positive, negative offset, or zero offset position; and transmitting signals received from the signal inputs via the first beam and the second beam; and in response to selecting the second beamwidth: switching signal inputs to wide-beam antenna arrays; and transmitting signals received from the signal inputs via the first beam and the second beam.
US11380988B2 Antenna switching scheme
In some aspects, an apparatus includes a transformer including a first inductor, a second inductor, and a third inductor. The apparatus also includes a power amplifier coupled to the first inductor, a first antenna coupled to a first terminal of the second inductor, a second antenna coupled to a second terminal of the second inductor, a first switch coupled between the first terminal of the second inductor and a ground, a second switch coupled between the second terminal of the second inductor and the ground, and a low-noise amplifier coupled to the third inductor.
US11380984B2 Radome design
A radome structure may include a structural component, an inner tuning layer component underlying the structural component and an outer tuning layer component overlaying the structural component. The structural component may include a first fiber-reinforced dielectric layer that may include a first fiber-reinforced polymer. The inner tuning layer component may include a first inner tuning layer that may include a second fiber-reinforced polymer. The outer tuning layer component may include a first outer tuning layer that may include a third fiber-reinforced polymer.
US11380983B2 Radome for base station antenna and base station antenna
Radomes for a base station antenna include a first dielectric layer having a first dielectric constant and a first thickness, a second dielectric layer having a second dielectric constant and a second thickness, the second dielectric layer being positioned on an outer side of the first dielectric layer; and a third dielectric layer having a third dielectric constant and a third thickness, the third dielectric layer being positioned on an outer side of the second dielectric layer. Each of the first and third dielectric constants is greater than the second dielectric constant.
US11380979B2 Antenna modules and communication devices
Disclosed herein are integrated circuit (IC) packages, antenna boards, antenna modules, and communication devices (e.g., for millimeter wave communications). For example, in some embodiments, an antenna module may include: a logic die; a radio frequency front-end (RFFE) die in electrical communication with the logic die; and an antenna patch, wherein the RFFE die is closer to the antenna patch than the logic die is to the antenna patch.
US11380976B2 Overboard tracking patch
An overboard tracking patch is an apparatus which increases the visibility and tracking capabilities of Personal Flotation Devices (PFDs) for more efficient tracking of overboard individuals. In a passive embodiment, the apparatus includes an outer layer, an intermediate layer, an attachment layer, and a processor. The outer layer increases the visibility of PFDs during both daytime and nighttime conditions. The intermediate layer provides radio identification capabilities for the remote tracking of PFDs using search radars. The attachment layer enables users to attach the present invention to a PFD. The processor stores PFD information and other identification data. In a hybrid active-passive embodiment, the apparatus also comprises a thermionic layer and a power-storage layer. The thermionic layer generates power due to the heat exchange between the body of the user and the thermionic layer. The power-storage layer serves to store power generated by the thermionic layer to power up the processor.
US11380975B2 Overboard tracking device
An overboard tracking device is an apparatus which facilitates the location of individuals wearing Personal Flotation Devices (PFDs) or similar survival devices in a body of water. The apparatus includes a prismatic buoyant housing, a power source, at least one switch, a controller, a transceiver, a thermionic layer, an antenna layer, and a waterproof casing. The prismatic buoyant housing maintains the apparatus above water. The power source provides power for the operation of the apparatus. The at least one switch enables manual or automatic activation or deactivation for the apparatus. The controller processes the data and signals received from external radar sources. The transceiver facilitates the sending and receiving of radio wave signals to/from external radar sources. The thermionic layer generates the power stored in the power source. The antenna layer transmits radio waves from/to the transceiver. The waterproof casing prevents contact of the electronic components with water.
US11380973B2 Cavity-based dual-band filtering balun
The invention discloses a cavity-based dual-band filtering balun, which includes a first cavity resonator and a second cavity resonator which are connected by a metal plate, the first cavity resonator is provided with an input PCB board, a metal ground layer of the input PCB board is provided with an input through line, the other side of the input PCB board is provided with an input microstrip line, and the first cavity resonator is provided with an input slot corresponding to a position of the input through line; and two opposite outside surfaces of the second cavity resonator which are adjacent to the metal plate are each provided with an output PCB board, metal ground layers of the two output PCB boards are respectively provided with an output through line, the other sides of the two output PCB boards are each provided with an output microstrip line, and the second cavity resonator is provided with an output slot corresponding to a position of the output through line and communicated with the output through line. A main body of the dual-band filtering balun includes two cavity resonators, its structure is high in quality factor and low in insertion loss, and meanwhile, the requirement of two passbands is realized by using two fundamental modes of the cavity resonators, thus reducing a size of a circuit.
US11380972B2 Microwave waveguide comprising a cavity formed by layers having conductive surfaces and a dielectric strip disposed in the cavity
This microwave component (10) comprises a waveguide (12) comprising an upper layer, a lower layer, and a central layer (18) intermediate between the upper layer and the lower layer, said layers defining a zone (19) of propagation of an electromagnetic wave, the propagation zone (19) extending along a propagation axis, and comprising a cavity (32) bounded by the upper layer, the lower layer, and, laterally, by two opposite lateral edges (36) of the central layer (18).The waveguide (12) comprises at least one dielectric strip (28) placed in the propagation zone (19), the dielectric strip (28) being defined in one of the upper layer and the lower layer or being placed in the cavity (32) away from the lateral edges (36) of the cavity (32).
US11380968B2 DC bias configuration for pin diode SPDT switch
A transmit/receive switching assembly includes a symmetrical PIN diode-based switch to selectively connect an antenna port to one of a transmit port and a receive port, transmit bias control circuitry that receives a first bias control signal, receive bias control circuitry that receives a second bias control signal, and shunt bias control circuitry coupled between the symmetrical PIN diode-based switch and a reference node. The first and second bias control signals are simultaneously and oppositely switchable between first and second voltage values and together configured to operate the switch between a transmit mode where RF signal flow is enabled from the transmit port to the antenna port and isolation is provided between the antenna port and the receive port, and a receive mode where RF signal flow is enabled from the antenna port to the receive port and isolation is provided between the antenna port and the transmit port.
US11380966B2 Secondary battery having a structure for suppressing multi-tab short circuits
Various embodiments of the present invention relate to a secondary battery having a structure for suppressing multi-tab short circuits, and the technical problem to be solved is providing a secondary battery capable of increasing the insulation level of multi-tabs by forming insulating layers on the multi-tabs of an electrode assembly. To this end, the present invention provides a secondary battery comprising: a case; an electrode assembly accommodated inside the case and having multi-tabs; and a cap plate closing the case and having electrode terminals electrically connected to the multi-tabs of the electrode assembly, wherein the surfaces of the multi-tabs are coated with insulating layers.
US11380963B2 Secondary battery
Provided is a battery comprising a separator comprising inorganic particles for preventing a short-circuit, wherein the inorganic particles are not removed readily from the separator. This battery is characterized by comprising a separator comprising a base material resin having voids and an inorganic particle having a surface (A) facing the void and a surface (B) in contact with the resin, wherein the length of the surface (A) is 50% or more of the length of the outer periphery of the particle in a cross-sectional SEM photograph of the separator.
US11380962B2 Anti-sulphation pasting mats for lead-acid batteries
A non-woven fiber mat for lead-acid batteries is provided. The non-woven fiber mat includes glass fibers coated with a sizing composition, a binder composition, and organic active compounds, wherein the organic active compounds are effective in reducing or preventing sulphation in lead-acid batteries.
US11380958B2 Traction battery enclosure and load directing method
A battery pack assembly includes, among other things, a first battery component, a different, second battery component and an enclosure that has a cover secured to a tray to provide an interior. The first and second battery components are disposed within the interior. The cover has a first area that is disposed directly above the first battery component. The cover has a second area that is disposed directly above the second battery component. The battery pack assembly further includes a rib of the cover. The rib extends into the interior from the first area. The rib is configured to contact the first battery component to inhibit relative movement of the second area toward the second battery component.
US11380957B2 Battery package housing and battery pack
The present application provides a package housing comprising a first end plate and a second end plate disposed opposite to the first end plate, and a first side plate and a second side plate disposed opposite to the first side plate. The first and second side plates is disposed between the first and second end plates, the first end plate is provided with a first through hole, the first side plate is provided with a protrusion passing through the first through hole. A fixing member detachably fixes the first end plate with the first side plate. The present application further provides a battery pack. The purpose of the present application is to solve at least the assembly difficulty of the soft-packaged lithium battery module in the case of a small assembly space, so as to improve the assembly convenience of the soft-packaged lithium battery module.
US11380952B2 Flexible closure for energy storage device and energy storage device including the same
This application relates to an energy storage device. In one embodiment, the energy storage device includes an electrode unit including first and second current collectors that are separated by a separator, first and second terminals respectively connected to the first and second current collectors and a case accommodating the electrode unit. The energy storage device also includes a flexible closure covering the case and having first and second through-holes passing therethrough and exposing the first and second terminals to the environment, wherein the flexible closure contains about 15 wt % or less of SiO2. According to some embodiments, since the weight percentage of SiO2 is significantly reduced and thus, the amount and degree of the SiO2 reduction significantly decreases, a structural deformation of the flexible closure at a microscopic level is minimized. Accordingly, a wetting phenomenon is significantly reduced, and thus the life span of an energy storage device significantly increases.
US11380950B2 Battery module having initial pressing force strengthening structure for cell assembly, and method for manufacturing same
A battery module includes a cell stack having pouch-type battery cells provided to stand side by side and stacked in a horizontal direction, and a module housing configured to accommodate the cell stack. The module housing includes a lower plate provided in a rectangular plate form to support the cell stack at a lower portion of the cell stack; and a first left pressing plate and a first right pressing plate having elasticity and extending upwards at both side edge regions of the lower plate, which are provided side by side, to form an acute angle with respect to a vertically upper direction so that a gap between the first left pressing plate and the first right pressing plate becomes narrowed upwards. The first left pressing plate and the first right pressing plate are elastically biased to press both side surfaces of the cell stack.
US11380947B2 Rack-type power supply device
The rack-type power supply device includes a plurality of battery modules each of which accommodates a plurality of secondary battery cells, a rack main body that vertically accommodates battery modules in a horizontal posture like a plurality of steps with gaps between the battery modules, and a plurality of cooling fans that are arranged on a front surface side of the rack main body and blow cooling air into the gaps between battery modules. The rack main body also includes a back-side duct in which cooling air having passed through the gaps flows upward on a back surface side of the battery modules. In addition, rack main body includes an air outlet for discharging cooling air having passed through the back-side duct on a top surface side. The cooling fan is disposed to be shifted from the gap between the battery modules in front view of the rack main body.
US11380945B2 Recuperative battery cooling system as emergency power source
A thermal management system and method for regulating the dissipation of a thermal load during operation of a vehicle. The thermal management system including one or more cooling loops configured to regulate the temperature of at least one battery pack; and an energy recovery mechanism configured to recover energy dissipated upon the occurrence of a thermal runaway event. The amount of energy recovered maintains the power level at or above the level exhibited by the battery pack prior to the occurrence of the thermal runaway event. Upon the occurrence of the thermal runaway event, the energy recovery mechanism transforms the cooling loop into a Rankine cycle loop or uses a Seebeck effect to recover energy.
US11380941B2 Battery information processing system, battery assembly, method of calculating capacity of battery module, and method of manufacturing battery assembly
A battery information processing system includes a control device configured to perform capacity calculation processing. The capacity calculation processing is processing for calculating a full charge capacity Q of the module based on a fitting curve Z calculated by fitting processing of a Nyquist plot representing a result of measurement of an AC impedance of the module. In an OCV-SOC curve of the module, there are a flat region in which a ratio of variation is lower than a reference value and a steep region in which the ratio of variation is higher than the reference value. The control device estimates an OCV of the module from a result of detection by a voltage sensor and performs the capacity calculation processing when the estimated OCV is in the flat region.
US11380938B2 Method of manufacturing all-solid-state battery with stable interface of lithium anode
A method of manufacturing an all-solid-state battery includes preparing a solid electrolyte layer, providing lithium metal to the solid electrolyte layer to prepare a stack, and radiating ultrasonic waves or sound waves to the stack. The method provides an all-solid-state battery with a stable interface between an anode formed of lithium metal and a solid electrolyte layer.
US11380933B2 Safety test method for determination of critical cell states by internal short provocation
A system (10) for testing a battery cell (1) by creating at least one of the effects of internal short circuit within the cell (1) with at least one cathode, at least one anode, at least one sensor (3) and at least one conductive heating element (2), comprising at least one resistive heat element (5), wherein at least the resistive heat element (5) is assembled within the cell (1) for simulating an internal short circuit.
US11380931B2 Composite electrode plate and battery cell using the same
A composite electrode plate of increased robustness and with better electrical properties for incorporation in a battery cell includes a composite current collector, a positive active material layer, a negative active material layer, a first isolation layer, and a second isolation layer. The composite current collector is disposed between the positive active material layer and the negative active material layer. The first isolation layer connects to a surface of the positive active material layer away from the composite current collector. The second isolation layer connects to a surface of the negative active material layer away from the composite current collector.
US11380929B2 Fuel cell system and control method thereof
A fuel cell system includes: a partial oxidation reformer; a fuel cell stack; a CO sensor configured to detect a CO concentration in a fuel gas produced in the partial oxidation reformer and introduced into the fuel cell stack; a mixing ratio adjusting unit configured to adjust a mixing ratio of a raw fuel and air supplied to the partial oxidation reformer; a target CO concentration setting unit configured to set a target CO concentration in the fuel gas introduced into the fuel cell stack; and a mixing control unit configured to control operation of the mixing ratio adjusting unit such that the CO concentration detected by the CO sensor becomes the target CO concentration.
US11380928B2 Sealed redox battery
The disclosed technology generally relates to energy storage devices, and more particularly to redox batteries. In one aspect, a redox battery comprises a first half cell and a second half cell. The first half cell comprises a positive electrolyte reservoir comprising a first electrolyte contacting a positive electrode and has dissolved therein a first redox couple configured to undergo a first redox half reaction. The second half cell comprises a negative electrolyte reservoir comprising a second electrolyte contacting a negative electrode and has dissolved therein a second redox couple configured to undergo a second redox half reaction. The redox battery additionally comprises an ion exchange membrane separating the positive electrolyte reservoir and the negative electrolyte reservoir. The first half cell, the second half cell and the ion exchange membrane define a redox battery cell that is sealed in a casing.
US11380927B2 Highly reinforced ionomer membranes for high selectivity and high strength
Embodiments are directed to composite membranes having: increased volume of the microporous polymer structure relative to the total volume of the PEM; decreased permeance and thus increased selectivity; and lower ionomer content. An increased amount of polymers of the microporous polymer structure is mixed with a low equivalent weight ionomer (e.g., <460 cc/mole eq) to obtain a composite material having at least two distinct materials. Various embodiments provide a composite membrane comprising a microporous polymer structure that occupies from 13 vol % to 65 vol % of a total volume of the composite membrane, and an ionomer impregnated in the microporous polymer structure. The acid content of the composite membrane is 1.2 meq/cc to 3.5 meq/cc, and/or the thickness of the composite membrane is less than 17 microns. The selectivity of the composite membrane is greater than 0.05 MPa/mV, based on proton conductance and hydrogen permeance.
US11380926B2 Fuel cell having corrugated membrane electrode assembly
An electrochemical reaction cell comprising an anode electrode, a cathode electrode, and a membrane electrode assembly (MEA). The MEA is positioned between the anode electrode and the cathode electrode. The anode electrode, the cathode electrode, and the MEA each have a corrugated shape and are contained within a recess of a housing.
US11380923B2 Oxygen regulated fuel cell
A device includes a container having a top plate containing an array of oxygen limiting pinholes and a chamber to hold a chemical hydride fuel, a fuel cell proton exchange membrane electrode assembly supported within the container between the top plate and the chamber, a first gas diffusion layer supported between the fuel cell proton exchange membrane electrode assembly and the top plate, and a second gas diffusion layer supported between the fuel cell proton exchange membrane electrode assembly and the chamber.
US11380921B2 System, method of controlling system, and storage medium
A system includes an electrical storage device that stores an electric power generated by a fuel cell, an electric load to which the electric power is supplied using the electric power of the fuel cell and/or the electrical storage device, and an electric power control part that controls supply of the electric power to the electric load, and the electric power control part performs warming-up control of the fuel cell when an electric power requested to be generated at the fuel cell is less than a predetermined value, and causes the fuel cell to generate an electric power that is greater than the electric power requested to be generated at the fuel cell and causes to store excess electric power in the electrical storage device when the electric power requested to be generated at the fuel cell is equal to or greater than the predetermined value.
US11380919B2 Fuel gas supply control device, fuel gas supply control method, and method of starting fuel-cell vehicle
When starting of a fuel gas consuming device configured to consume a fuel gas is instructed, an electric power is supplied to a fuel gas sensor that has a predetermined unstable period until an accuracy of fuel gas detection reaches a predetermined level after having been supplied with electric power, supply of the fuel gas from a fuel gas supply device to the fuel gas consuming device is started by opening an electric valve that is electrically opened and shut off. When a signal from the fuel gas sensor exhibits behavior of approaching a predetermined determination threshold value before the unstable period has elapsed, the electric valve is shut off. When the signal from the fuel gas sensor is less than a predetermined determination value in a predetermined period after the electric valve has been shut off, the electric valve is opened.
US11380915B2 Power supply system, server, and power generation facility
A power supply system includes a power generation facility configured to supply power to a consumer and a server configured to communicate with the facility. The facility includes a fuel cell configured to generate, using fuel gas supplied via a supply path of the fuel gas to the consumer, power to be supplied to the consumer, and a measurement unit configured to measure a supply amount of the fuel gas used for the power generation. The server includes an acquisition unit configured to acquire information concerning a supply amount of the fuel gas supplied to the consumer, and a specifying unit configured to specify, based on a measurement result of the measurement unit received from the facility and the information, a supply amount of the fuel gas not used for the power generation in the supply amount of the fuel gas supplied to the consumer.
US11380914B2 Fuel cell system and method for its operation
A fuel cell system (1) comprising a fuel cell (2), a liquid fuel supply (3) for providing liquid fuel, an evaporator (6) for evaporating the liquid fuel to fuel vapor, a reformer (7) for catalytic conversion of the fuel vapor to syngas for the fuel cell and a burner (8) for heating the reformer (7). The burner (8) comprises a catalytic monolith (21) down-stream of a mixing chamber (31) in which air is mixed with evaporated fuel or rest gas prior to entering the monolith (21). The mixing chamber (31) is surrounded by a sleeve (23), which comprises a plurality of openings (29A, 29B) around the mixing chamber (31) for supply of fuel vapor through the openings (29A, 29B) in the startup phase and for supply of rest gas through the openings (29A, 29B) during normal operation. Optionally, a heat exchanger (17) is provided between the burner (8) and the reformer (7) for reducing the temperature of the exhaust gas from the burner (8) before it reaches the reformer (7). This temperature reduction prevents degradation of the reformer (7) by hot exhaust gas during start-up of the fuel cell system (1).
US11380912B2 Fuel cell system and fuel cell vehicle
A compressor included in a fuel cell system comprises a compression chamber configured to compress the air by a rotating body; and a drive chamber arranged to separate from the compression chamber, provided with a driving mechanism that is placed therein to drive the rotating body, configured such that oil flows through, and placed to communicate with a first end portion of a depressurization pipe. When being viewed in a direction opposed to one side face of a fuel cell, a cooling medium piping and the depressurization pipe including a rising portion that is extended vertically upward are arranged to intersect with each other on the one side face.
US11380903B2 Integrated bipolar electrode, preparation method and use thereof
An integrated bipolar electrode includes a laminated structure and a bipolar plate. The laminated structure is formed by interconnecting an anode active material layer with a cathode active material layer. The bipolar plate is sandwiched in a hollow cavity of the laminated structure. Side surfaces of the laminated structure are provided with a sealing layer for mating with a bipolar electrode fixing frame to prevent an anolyte and a catholyte from permeating into each other. The anode active material layer and the cathode active material layer in the integrated bipolar electrode are directly connected. A contact resistance between the anode active material layer and the cathode active material layer is quite low, and a battery prepared finally has better performances.
US11380900B2 Anode for lithium secondary battery and lithium secondary battery comprising same
Provided are an anode for a lithium secondary battery and a lithium secondary battery comprising the same. The anode comprises: a current collector; an anode active material layer disposed on the current collector; and a coating layer disposed on the anode active material layer and including an inorganic material and a binder polymer, wherein the binder polymer has a decomposition temperature of 100° C. to 400° C., and an elastic modulus of 1.0 GPa to 3.0 GPa at 220° C. or lower.
US11380899B2 Positive electrode, secondary battery including the same, and method for manufacturing using dry mixing at high shear force
The present invention relates to a method for preparing a positive electrode, comprising preparing a mixture by dry mixing a positive electrode active material, a dry conductive material, and a dry binder, applying high shear force to the mixture, disposing the mixture on a current collector, and rolling the current collector on which the mixture is disposed, wherein the dry conductive material is at least any one of a carbon nanotube and a carbon fiber, and the high 10 shear force is 100 N to 500 N.
US11380895B2 Methods and systems for the production of crystalline flake graphite from biomass or other carbonaceous materials
High quality flake graphite is produced by methods that include mixing a carbon-containing feedstock with a catalyst to form a feedstock/catalyst mixture, or coating a catalyst with a carbon-containing feedstock, and subjecting the mixture or feedstock-coated catalyst to irradiation with a laser to convert the feedstock into flake graphite in the presence of the catalyst. In some instances, the feedstock is converted to a char by pyrolysis and the char is instead subjected to laser irradiation. The feedstock can be a biomass or a carbonaceous material. The catalyst can be an elemental metal, an alloy, or a combination thereof. In some instances, methods described herein have been found to produce high quality flake graphite in the form of potato shaped agglomerates.
US11380893B1 High energy cathodes, batteries, and methods of making the same
Cathode active materials that include a metal compound having the formula MRx, where M is a metal, R is an atom, a molecule, or a radical having an oxidation state of −1, and x is a positive nonzero real number; and a metal oxide having the formula M′yOz, where M′ is a metal, and y and z are independently positive nonzero real numbers; provided that the metal compound and the metal oxide are in contact. The cathode active materials can be used to prepare cathodes that evolve little or no oxygen during operation. The cathodes can be economically incorporated into batteries that can provide high energy density.
US11380892B2 Positive electrode active material for nonaqueous electrolyte secondary battery
A positive electrode active material for a nonaqueous electrolyte secondary battery includes particles of a lithium-transition metal composite oxide that contains nickel in the composition thereof and has a layered structure. The particles have an average particle size DSEM based on electron microscopic observation in a range of 1 μm to 7 μm in which a ratio D50/DSEM of a 50% particle size D50 in volume-based cumulative particle size distribution to the average particle size based on electron microscopic observation is in a range of 1 to 4, and a ratio D90/D10 of a 90% particle size D90 to a 10% particle size D10 in volume-based cumulative particle size distribution is 4 or less.
US11380889B2 Electrode and a rechargeable lithium battery including the electrode
Disclosed are an electrode for a rechargeable lithium battery and a rechargeable lithium battery. The electrode includes a current collector, a first active material layer, and a second active material layer. The first active material layer is formed on the current collector and includes a first active material. The second active material layer is formed on the first active material layer. The second active material layer includes a second active material having an active material and a meltdown polymer disposed on the surface of the active material.
US11380887B2 Anode active material
Provided is an anode active material configured to achieve both an increase in the coulombic efficiency during initial charge and discharge of an all-solid-state battery, and suppression of an increase in the resistance of the all-solid-state battery. The anode active material may be an anode active material, wherein the anode active material is an anode active material for use in all-solid-state batteries; wherein the anode active material comprises a lithium-silicon alloy and elemental silicon; and wherein the anode active material has peaks at positions of 2θ=20.2°±0.5°, 23.3°±0.5°, 40.5°±0.5°, and 46.0°±0.5° in a XRD spectrum obtained by XRD measurement using CuKα radiation.
US11380885B2 Electrode, secondary battery, battery pack, and vehicle
According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer. The active material-containing layer includes: an active material including a titanium-containing composite oxide; inorganic solid particles having lithium ion conductivity; and carbon fiber. The active material-containing layer has a first peak indicating a maximum log differential pore volume in a log differential pore volume distribution curve according to mercury porosimetry. A pore diameter PD at the first peak is 0.01 μm to 0.1 μm. The first peak has a full width at half maximum of 0.05 μm or less.
US11380884B2 Liquid composition for producing electrode composite material, method for producing electrode, and method for producing electrochemical element
A liquid composition for an electrode composite material is provided. The liquid composition comprises an active material, a dispersion medium, and a polymerizable compound. A viscosity of the liquid composition at 25 degrees C. is a viscosity at which the liquid composition is dischargeable from a liquid discharge head.
US11380881B2 Anode material of lithium ion battery and non-aqueous electrolyte battery
An anode material of a lithium-ion battery and a non-aqueous electrolyte lithium-ion battery are disclosed in the present invention. The anode material of a lithium-ion battery, wherein, a chemical formula of the anode material of the lithium-ion battery is MxNbyOz, wherein, M is a bivalent non-niobium metal ion, and x,y,z satisfy the following conditions: 0
US11380880B2 Method for producing moulded parts consisting of a porous material impregnated with polysulfide
Described herein is a process for the production of moldings made of porous material impregnated with polysulfide, the process including the following steps:(a) insertion of the porous material into a mold;(b) introduction of liquid polysulfide into the mold at a flow velocity within the porous material in the range from 0.5 to 200 cm/s;(c) cooling of the polysulfide to a temperature below the melting point of the polysulfide; and (d) removal of the porous material impregnated with the polysulfide.
US11380878B2 Method for manufacturing foldable display device by selectively hardening resin using light irradiation process
A method for manufacturing the display device includes preparing a display panel on which a folding area folded with reference to a virtual folding axis and first and second non-folding areas, which are adjacent to both sides of the folding area, are defined and which displays an image, providing a resin on a first surface of the display panel, primarily hardening the resin, and secondarily hardening first and second resin areas of the resin, which respectively correspond to the first non-folding area and the second non-folding area of the display panel.
US11380875B2 Display apparatus and method of manufacturing the same
A display apparatus includes a display panel including an opening area through which light passes, a non-display area including an opening peripheral area that is around a periphery of the opening area, and a display area including at least one pixel, the display area being around a periphery of the opening peripheral area, an optical film layer disposed on the display panel, and a cover window disposed on the optical film layer. The display panel includes a base substrate, a light emitting structure disposed on the base substrate, a planarization insulating layer disposed on the substrate in the opening peripheral area, and a light blocking pattern disposed on the planarization insulating layer in the opening peripheral area.
US11380871B2 Display device including sealing layers having optimized wettability
A display device includes: a base substrate having a display area and a frame area, the display area to display an image, the frame area surrounding the display area; a light-emitting element in the display area; and a sealing film provided in the display area and the frame area so as to cover the light-emitting element, the sealing film including a first inorganic film, an organic film, and a second inorganic film, wherein the first inorganic film covers the light-emitting element, a third inorganic film is provided between the first inorganic film and the organic film, the third inorganic film having higher wettability for a liquid drop, the organic film on the first inorganic film covers the third inorganic film, and the second inorganic film covers the peripheral end portion of the first inorganic film and the organic film.
US11380868B2 Method of fabricating display panel, and display panel including adhesive portions having varying strengths
A method of fabricating a display panel is provided. The method includes providing a substrate including a plurality of light emitting elements; forming a first protective layer on a side of the substrate; treating the first protective layer to obtain a first adhesive portion, a second adhesive portion, and a third adhesive portion, the third adhesive portion having an adhesive strength smaller than an adhesive strength of the first adhesive portion, and smaller than an adhesive strength of the second adhesive portion; and removing the third adhesive portion from the substrate to form a bendable portion of the substrate. The bendable portion of the substrate spaces apart a first portion of the substrate from a second portion of the substrate.
US11380866B2 Display substrate with water-blocking structure, fabrication method thereof, display panel and display apparatus
The display substrate may include a base substrate (1), a display structure (20) on a display area (B) of the base substrate (1), at least one blocking structure on a peripheral area around the display area (B) of the base substrate (1), and a first water-blocking layer (10) on the substrate (1). The first water-blocking layer (10) may cover the display structure (20) and the at least one blocking structure. The blocking structure may be configured to block cracks generated on the first water-blocking layer (10) at a side of the blocking structure opposite from the display area (B) from propagating to the display area (B).
US11380863B2 Flexible electroluminescent devices
Embodiments of a flexible electroluminescent (EL) device are described. An EL device includes a device stack and a flexible substrate configured to support the device stack. The device stack can include a anode and a cathode, a quantum dot (QD) film positioned between the anode and the cathode and configured to produce light having a first peak wavelength. The device stack further includes a patterned insulating layer disposed on the anode and configured to form electrically active regions in the device stack and to control emission of the light from the EL device through the electrically active regions. The EL device further includes an encapsulation layer disposed on the cathode.
US11380862B2 Light emitting diode display with redundancy scheme
A display panel and method of manufacture are described. In an embodiment, a display substrate includes a pixel area and a non-pixel area. An array of subpixels and corresponding array of bottom electrodes are in the pixel area. An array of micro LED devices are bonded to the array of bottom electrodes. One or more top electrode layers are formed in electrical contact with the array of micro LED devices. In one embodiment a redundant pair of micro LED devices are bonded to the array of bottom electrodes. In one embodiment, the array of micro LED devices are imaged to detect irregularities.
US11380861B2 Monomolecular transistor
A monomolecular transistor including a first electrode including a first electrode layer and a first metal particle arranged at one end of the first electrode layer, a second electrode including a first electrode layer and a first metal particle arranged at one end of the first electrode layer, a third electrode insulated from the first electrode and the second electrode, a π-conjugated molecule having a π-conjugated skeleton. The first metal particle and the second metal particle face each other. The third electrode is arranged adjacent to the gap in which the first metal particle and the second metal particle face each other, and is spaced from the first metal particle and the second metal particle, the π-conjugated molecule is arranged in a gap between the first metal particle and the second metal particle.