Document Document Title
US11191201B2 Data creation device and data creation method
A data creation device including a component data storage section to link in advance and store lead component shape data and multiple types of holding tools; a holding tool data storage section to store holding tool data including moving directions of the multiple holding tools and clamping directions for holding the lead component; a mounting data acquisition section to acquire mounting data including the types and mounting positions on the board of previously-attached components and lead components; an installation order determination section to extract, for each lead component according to a determined mounting order of lead components on the board based on shape data and mounting data of lead components, a holding tool to mount lead components without interfering with previously-attached components, and determine the installation order of holding tools; and an allocation data creation section to create allocation data according to the determined installation order.
US11191200B2 Component mounting method
The component mounting method is a method for mounting a component using a component mounter including a mounting head, a component camera as an imaging device configured to image a component, a first component holding section provided on the mounting head and capable of holding a first component, and a second component holding section capable of holding a second component at a position lower than the first component, the component mounting method having steps wherein the first component holding section picks up the first component, the imaging device images the first component, the second component holding section picks up the second component while the first component holding section holds the first component, and the second component is imaged while the first component holding section holds the first component and the second component holding section holds the second component.
US11191199B2 Method and device for automatic storage of tape guides
A system and method for surface mount assembly of PCB's, using an automated pick-and-place machine into which component tapes on reels are fed, uses component tape reels each of which has been pre-threaded into its appropriate tape guide and been stored as a reel/tape guide packet in an automated SMD storage tower, from which appropriate packets are retrieved for coupling to the pick-and-place machine.
US11191197B2 Method, system and paint for EMI suppression
A method, system and paint for suppressing emission of high frequency electromagnetic radiation from an electronic system, the electronic system including at least one power supply unit, at least one printed circuit board (PCB) and at least one integrated circuit are provided. The method includes providing an electrically conductive housing configured to accommodate and encase the electronic system, the housing having an inner conductive surface, and applying a layer of an electromagnetic absorbing paint to the inner conductive surface of the housing to substantially cover the inner surface by the layer, the electromagnetic absorbing paint comprises a liquid matrix and an electromagnetic absorbing material.
US11191193B2 System for cooling an electronic image assembly with circulating gas and ambient gas
An apparatus for cooling an electronic image assembly with ambient gas and circulating gas is disclosed. A first fan may be positioned to force the circulating gas around the electronic image assembly in a closed loop while a second fan may be positioned to cause a flow of ambient gas. A structure is preferably positioned to allow the circulating gas to cross the flow of the ambient gas while substantially prohibiting the circulating gas from mixing with the ambient gas. A pair of manifolds may be placed along the sides of the electronic image assembly and may be in gaseous communication with a plurality of channels placed behind the electronic image assembly. A heat exchanger may be used in some exemplary embodiments.
US11191189B2 Splitting of combined delivery power, data, and cooling in a communications network
In one embodiment, a method includes delivering power and data on a cable from a central network device to a splitter device for splitting and transmitting the power and data to a plurality of remote communications devices over a plurality of cables, each of the cables carrying the power and data, receiving at the central network device, monitoring information from the remote communications devices on the cable, processing the monitoring information, and allocating the power and data to each of the remote communications devices based on the monitoring information. The power and data comprises pulsed power and optical data. A system is also disclosed herein.
US11191185B2 Liquid cooling distribution in a modular electronic system
In one embodiment, a network communications device includes a chassis, a plurality of modules removably inserted into a plurality of slots in the chassis, at least a portion of the modules each comprising a connector for receiving coolant for cooling components on the module, a controller for controlling coolant distribution to the modules, and a leak detection system for identifying a leak of the coolant and transmitting an indication of the leak to the controller.
US11191173B2 Managed connectivity in electrical systems and methods thereof
An electrical connector arrangement includes a storage device coupled to a connector housing. The storage device is configured to store physical layer information pertaining to the electrical connector arrangement. The storage device also has contacts that enable the physical layer information to be read from the storage device by a media reading interface. A connector assembly includes at least one receptacle assembly; a printed circuit board; and a media reading interface.
US11191170B2 Silicone contact element
A contact element for use between electronic components like computer chips and printed circuit boards, or the connection between an electronic component in a test socket to provide high current, high density, and high frequency connections between the electronic components. The contact element preferably achieves a good connection between electrical components when they are connected and pressed together. The contact element is preferably made of a conductive silicone rubber which has been plated.
US11191163B2 Flexible printed circuit board and flexible display module and electronic device comprising the same
A flexible printed circuit board with improved ground efficiency is disclosed, and a flexible display module and an electronic device comprising the same is disclosed, wherein the flexible printed circuit board comprises a flexible circuit film having a circuit layer disposed on one surface of a base film, and a ground pad portion disposed on another surface of the base film; and a conductive cover member configured to cover the other surface of the base film and electrically connected with the ground pad portion, wherein the conductive cover member includes a cutting portion overlapped with the ground pad portion.
US11191162B2 Circuit board supporting structure and light emitting device having the same
Provided is a circuit board supporting structure capable of easily detaching a circuit board on a base. The circuit board supporting structure is configured to support a circuit board on a base, in which the base has a concave portion formed in a placement surface of the circuit board, and a rotational operation member configured to be rotatably accommodated in the concave portion and extend and retract in a direction perpendicular to the placement surface by a rotational operation, in which the circuit board has a through hole formed at a position corresponding to the concave portion, in which the rotational operation member has a reference surface formed approximately in parallel with the placement surface, and an operation portion formed on a rotational axis of the rotational operation member so as to be exposed from the through hole.
US11191159B2 Printed circuit board connector
A printed circuit board connector for orthogonal mating of two or more printed circuit boards. The connector utilizes interior perimeter trace connections of a main printed circuit board and internal trace connections of a mating printed circuit board in conjunction with external trace connections. The main board may utilize surface connections, where both external trace connections and internal trace connections are exposed on a surface of the main board to couple to the mating board. The main board may include a slot or pocket, allowing for the partial insertion of the mating board into the main board, with internal trace connections disposed within the slot or pocket. The slot or pocket may extend through the main board, such that the internal trace connections are disposed along a side of the pocket to couple with corresponding internal trace connections of the mating board.
US11191157B2 Semiconductor device having buffer structure for external terminals
A semiconductor device, including a first board, a second board having a plurality of through holes passing therethrough, and a plurality of external terminals that are respectively press-fitted into the plurality of through holes of the second board, one end portion of each external terminal passing through the corresponding through hole and being fixed to a front surface of the first board. The second board is a printed circuit board that further includes, in a top view thereof, a plurality of support regions, each having one of the plurality of through holes formed therein, and a plurality of buffer regions respectively surrounding the plurality of support regions, each buffer region having at least one buffer hole and at least one torsion portion formed therein, the at least one torsion portion being connected to the support region surrounded by each buffer region.
US11191151B2 Semiconductor module including a printed circuit board
A device may include a substrate having a first surface and a second surface, a first conductive terminal disposed over the first surface, a second conductive terminal spaced apart from the first conductive terminal in a first direction and disposed over the first surface, a first conductive auxiliary pattern disposed below the first conductive terminal and overlapping with the first conductive terminal, the first conductive auxiliary pattern being coupled to the second conductive terminal, and a second conductive auxiliary pattern disposed below the second conductive terminal and overlapping with the second conducive terminal, the second conductive auxiliary pattern being coupled to the first conductive terminal.
US11191141B1 Powering microLEDs considering outlier pixels
A light-emitting apparatus can reduce a number of undriven or underdriven uLEDs in a uLED die. A method can include providing, by a power supply and during a first time, electrical power with a first voltage sufficient to operate a majority of micro light emitting diodes (uLEDs) of a uLED die to respective uLED drivers of the uLED die, driving the majority of uLEDs of the uLED die using the uLED drivers during the first time, providing, by the power supply and during a second time after the first time, electrical power with a second voltage, the second voltage higher than the first voltage and sufficient to operate uLEDs of the uLED die that are not operable by the first voltage, and driving the majority of the uLEDs and the uLEDs of the uLED die that are not operable by the first voltage during the second time.
US11191140B2 Methods for generating tunable white light with high color rendering
The present disclosure provides methods for generating white light. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.
US11191135B2 Horticulture grow lights
A grow light includes a plurality of cool white LEDs, a plurality of warm white LEDs, and a driver electrically coupled to the cool white LEDs and the warm white LEDs. An intensity level and spectral composition of the radiant energy emitted by the grow light may be tuned or configured by varying a ratio of the quantity of cool white LEDs to the quantity of warm white LEDs, by varying a spatial arrangement among the cool white LEDs and the warm white LEDs, or by varying a level of current provided to some or all of the cool white LEDs and the warm white LEDs.
US11191133B2 Direct heating through patch antennas
The microwave heating apparatus (100) includes a cavity (101) arranged to receive a load (102A, 102B), at least two patch antennas (103A, 103B) coupled to the at least one microwave generator (104), and a control unit (105). Each of the at least two patch antennas (103A, 103B) is configured to radiate microwaves into a predefined direct heating zone (108A, 108B) within the cavity proximate the respective patch antenna (103A, 103B). The control unit (105) is configured to select energy levels for each of the at least two patch antennas (103A, 103B) as if the load (102A, 102B) were static and as if there not interference between the at least two patch antennas (103A, 103B).
US11191131B2 Double-sided flat inductor assembly
A double-sided flat inductor assembly is provided for simultaneous induction heating of two separate workpieces positioned on opposing sides of the double-sided flat inductor assembly. An extraction assembly is provided for rapid removal of the inductor assembly after completion of the simultaneous induction heating of the two separate workpieces which eliminates the necessity of using flexible electrical cables and allows improved performance of an induction system including increased reliability.
US11191129B2 Layered heater system having conductive overlays
A layered heater includes a resistive layer formed from a conductive material and separated into an intermediate area and a resistive circuit pattern by a plurality of cuts that extend all the way through the resistive layer. The resistive circuit pattern includes termination pads electrically connected to the resistive circuit pattern with the intermediate area being electrically inactive. A conductive overlay is disposed over a continuous portion of the resistive circuit pattern. The plurality of cuts extend longitudinally into the conductive overlay such that no portion of the resistive pattern is present outside the conductive overlay.
US11191128B2 Method for producing an electromigration-resistant crystalline transition-metal silicide layer, a corresponding layer sequence, and a micro heater
A method for producing an electromigration-resistant crystalline transition-metal silicide layer of a layer sequence, for example, to provide a micro heater includes, supplying a semiconductor substrate including an electrically insulating layer; physically depositing a transition metal on the electrically insulating layer; carrying out a plasma-enhanced chemical vapor deposition while forming an inert gas plasma; conveying monosilane to the inert gas plasma, with the monosilane decomposing into silicon and hydrogen and the silicon in the gaseous phase entering into a chemical reaction with the transition metal in order to form the electromigration-resistant crystalline transition-metal silicide layer.
US11191127B2 Dynamic multi-access wireless network virtualization
We disclose systems and methods of dynamically virtualizing a wireless communication network. The communication network is comprised of heterogeneous multi-RAT mesh nodes coupled to a computing cloud component. The computing cloud component virtualizes the true extent of the resources it manages and presents an interface to the core network that appears to be a single base station.
US11191124B2 Electronic device for displaying indicator regarding network and method thereof
An electronic device includes at least one wireless communication circuit; a display, a processor, and a memory configured to store first information associated with new radio (NR) cell searching, the memory storing instructions that, when executed, cause the processor to receive a system information block (SIB) including information indicating that evolved terrestrial radio access network (E-UTRAN) new radio-dual connectivity (EN-DC) is possible, from a long-term evolution (LTE) base station by using the at least one wireless communication circuit; select a cell of the LTE base station based at least partly on the SIB, using the at least one wireless communication circuit; display a first indicator associated with availability of LTE on a partial region of the display, in response to selecting the cell of the LTE base station; after selecting the cell of the LTE base station, perform the NR cell searching based at least partly on the first information, using the at least one wireless communication circuit; display a second indicator associated with availability of NR on the partial region of the display, based at least partly on the result of the NR cell searching; and display a third indicator obtained by changing at least part of a color or shading of the second indicator, on the partial region of the display in response to performing data transmission to an NR base station after determining the result of the NR cell searching.
US11191123B2 Method and device for performing uplink transmission
Embodiments of the disclosure generally relate to uplink transmission. A network device allocates resource regions for uplink transmission of a data packet of a terminal device. The resource regions are distributed across a plurality of carriers and correspond to consecutive transmission time intervals for transmitting the data packet. The network device transmits information about the resource regions to the terminal device to enable the terminal device to perform uplink transmission of the data packet based on the information.
US11191120B2 Method for operating a user equipment in a cellular network
User equipment communicates by means of a primary base node and at least one secondary base node of a cellular network that are respectively assigned to different radio access networks. The user equipment sends a first message comprising its available capabilities to the primary base node, and receives a first indication from the primary base node relating to the capabilities being used by the primary base node. It sends a second message to the secondary base node, comprising those capabilities not being used by the primary base node. and receives a second indication from the secondary base node relating to the capabilities being used by the secondary base node. It sends a third message with still unused capabilities to the primary base node. and initiates a communication link with a remote terminal by means of the primary and the secondary base nodes using the configured capabilities.
US11191115B2 Bluetooth communication method and apparatus
The present invention relates to a Bluetooth communication method. The Bluetooth communication method may comprise the steps of: performing a supported pairing feature procedure by a client; transmitting, to a first server, a first write request message requesting a writing of a control point attribute for indicating a periodic advertising operation, by the client; receiving, from the first server, a first write response message, in response to the first write request message, by the client; and receiving, from the first server, a first indication message for indicating whether to perform the periodic advertising operation, by the client. In this case, information associated with the periodic advertising operation may include at least one of periodic advertising mode information indicating that a periodic advertising mode is supported and periodic advertising synchronization procedure information indicating that a periodic advertising synchronization establishment procedure is supported.
US11191114B2 Method, apparatus and system for obtaining device-to-device communication resource
A D2D communication method includes: determining, by a base station in a first network, that a D2D communication timeslot in the first network needs to be configured, where the D2D communication timeslot is used for D2D communication between a first terminal in the first network and a second terminal in a second network, and the first network and the second network are different home networks; sending, by the base station, a resource request to a third terminal in the first network, where the resource request is used to instruct the third terminal to report, to the base station, information used to configure the D2D communication timeslot; and receiving, by the base station, a resource request response sent by the third terminal, where the resource request response includes the information used to configure the D2D communication timeslot and obtained by the third terminal from the second network.
US11191113B2 Communication device, method, and storage medium
A communication device, which complies with an IEEE802.11 standard and performs communication by assigning an Association identifier (AID) to a partner device, determines the AID to be assigned to the partner device from a first range of AID values if the partner device is a first device compatible with a frame that is transmitted with a destination designated by a range of the AID, and determines the AID to be assigned to the partner device from a second range different from the first range if the partner device is a second device not compatible with the frame that is transmitted with the destination designated by the range of the AID.
US11191112B2 Vehicle communication system
The vehicle communication system includes a management server and an in-vehicle communication device. The management server manages a plurality of access points for communication relay. The in-vehicle communication device is mounted on a vehicle and is capable of wirelessly communicating with the access points. The in-vehicle communication device transmits, for example, travel route information indicating a travel route to a destination of the vehicle to the management server. The management server transmits access point information indicating the access points connectable, to the in-vehicle communication device using the travel route information transmitted from the in-vehicle communication device and a congestion level of the access point. The in-vehicle communication device connects to the access point using the access point information transmitted from the management server.
US11191110B2 Network management method, wireless access device, terminal, system and storage medium
The present disclosure discloses a network management method, including: broadcasting a message carrying access information; providing an access path to a wireless access device for a terminal which receives the message and sends an access request; acquiring a type of the terminal which accesses the wireless access device; and controlling connection between the terminal and a network according to the type of the terminal. The present disclosure further discloses a wireless access device, a terminal, a system and a storage medium.
US11191109B2 Method and system for establishing a connection between a client device and a Wi-Fi access point based on personalized SSIDs using a cloud platform
The invention provides a method and system for establishing a connection between a client device of a plurality of client devices and a Wi-Fi access point of a plurality of Wi-Fi access points using a cloud platform. To start with, the plurality of client devices and the plurality of Wi-Fi access points are registered with the cloud platform. Subsequently, the client device transmits a network demand request to one or more target Wi-Fi access points. The one or more target Wi-Fi access points receive account details containing pre-registered credentials associated with the client device from the cloud platform. Upon receiving the account details, the one or more target Wi-Fi access points authorize the client device and broadcast a personalized SSID. The client device uses the personalized SSID to access a Wi-Fi access point of the one or more target Wi-Fi access points using the pre-registered credentials.
US11191107B2 Backoff window adjustment method, and apparatus
Embodiments of the present disclosure provide a backoff window adjustment method, and an apparatus. In downlink transmission, a base station obtains a trigger condition for adjusting a length of a backoff window on a first channel, and adjusts the length of the backoff window of the base station on the first channel according to the obtained trigger condition for adjusting the length of the backoff window on the first channel. In uplink transmission, a user equipment (UE) obtains a trigger condition for adjusting a length of a backoff window on a first channel, and adjusts the length of the backoff window of the UE on the first channel according to the obtained trigger condition for adjusting the length of the backoff window on the first channel.
US11191104B2 Systems and methods for fractional carrier sense multiple access with collision avoidance (CSMA/CA) for WLANS
Systems, methods, and instrumentalities are described to implement an interference management method in WLAN. An access point (AP) or an inter-BSS coordinator (IBC) may identify a station (STA) associated with a first basic service set (BSS) as an edge STA or a non-edge STA. The AP or the IBC may group the edge STA into an edge group and a non-edge STA into a non-edge group. The AP or the IBC may receive information associated with a second BSS. The AP or the IBC may coordinate access of the edge group and/or the non-edge group. The access may be coordinated to minimize interference of the edge STA. The access may be based at least on the received information associated with the second BSS. The AP or the IBC may adjust transmit power of a plurality of STAs identified as edge group STAs and non-edge group STAs.
US11191102B2 Random-access procedure
A method in a network node for managing random-access procedures with a plurality of wireless devices. The method comprising transmitting an indication of a modulation format to one or more of the plurality of wireless devices to configure the modulation format for a random access message 3 transmission from the one or more wireless devices.
US11191096B2 Method for configuring SPS resources in wireless communication system and a device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for configuring SPS resources in wireless communication system, the method comprising: configuring a plurality of cells; receiving information for semi-persistent scheduling (SPS) resource configuration with an indication indicating at least one cell among the plurality of cells on which the SPS resource configuration is to be configured; and configuring a set of SPS resources based on the SPS resource configuration on the at least one cell indicated by the indication.
US11191095B2 Uplink non-orthogonal multiple access for narrowband machine type communication
An uplink non-orthogonal multiple access for narrowband machine type communication used for the deployment of Internet of Things (IoT) interconnected devices where one or more user equipment are configured for uplink transmission with one or more uplink time-frequency regions for enhanced Machine Type Communication Non-Orthogonal Multiple Access. The configuring is based on defining and signaling one or more signal thresholds and one or more of a resource assignment, a starting subframe periodicity, a starting subframe offset, a time duration in each period, a demodulation reference signal cyclic shift assignment, orthogonal cover code assignment, and interleaver assignment.
US11191087B2 Optimizing resources in data transmission
Methods and systems for providing data are disclosed. An optimal set of subcarriers can be determined for a data transmission when a plurality of devices have requested the data transmission. The optimal set of subcarriers can be determined based on similarities or differences between parameters assigned to subcarriers in capability profiles. Capacity loss and other information can be determined based on the similarities or the differences among corresponding parameters of the capability profiles. The data transmission can be transmitted to the plurality of devices via the optimal set of subcarriers.
US11191085B2 Method and apparatus for coordinating in-device coexistence interference, user equipment and communication device
The present disclosure relates to a method and apparatus for coordinating IDC interference, user equipment and a communication device. The method of coordinating the IDC interference includes: receiving an IDC interference report reported by user equipment, wherein the IDC interference report carries IDC interference information of the user equipment in the EN-DC scenario, and the IDC interference information includes an interference parameter indicating IDC interference; determining information for coordinating IDC interference based on the IDC interference report; and sending the information for coordinating IDC interference to the user equipment. The technical solutions of the present disclosure enable the user equipment to actively report the IDC interference report when the IDC interference occurs in the EN-DC scenario, and then perform IDC interference coordination based on the information for coordinating IDC interference configured by a base station, thereby improving data transmission performance of the user equipment.
US11191084B2 Versatile channel selection procedure for wireless network
A method of selecting a frequency block includes determining a first value representing a lowest noise level of a radio channel at a first or second node, calculating a first metric representing a ratio between a first desired signal strength and the first value, determining a second value representing a lowest noise level of a radio channel at the first or second nodes, calculating a second metric representing a ratio between a second desired signal strength and the second value, selecting, on the basis of at least the first and second metrics and amongst a set of frequency blocks including at least the first and second frequency blocks, a frequency block for transmission of a message between the first and second nodes, indicating a sub-band of the selected frequency block, and causing transmission of the message on the indicated sub-band.
US11191081B2 Method and apparatus for measurement and reporting for reference signal
The embodiments of the application provide a wireless communication method and device, which may implement measurement and feedback of reference signals to support transmission of multiple downlink channels. The method includes that: a terminal device measures multiple reference signals; the terminal device determines reporting information corresponding to each reference signal of the multiple reference signals and including a Rank Indicator (RI) according to a measurement result; and the terminal device transmits the reporting information corresponding to each reference signal and including the RI to a network side.
US11191076B2 Transmission configuration method and related product
A method for configuring transmission and related products are provided. The method includes: a network device indicates a Transmission Configuration Indicator (TCI) state set to a terminal, wherein the TCI state set is configured for a Bandwidth Part (BWP) of the terminal, and the TCI state set is used for indicating a Quasi co-location (QCL) assumption set when the terminal performs transmission on the BWP. Embodiments of the present application are beneficial to more flexibly configuring a QCL assumption state during transmission on different BWPs, and improving efficiency of beam management and system performance associated with the BWPs.
US11191072B2 Information transmission method and radio access network device
Example information transmission methods are described. One example method includes that a first base station receives resource status information from a second base station. The resource status information includes a service classification identifier and a resource status corresponding to the service classification identifier. The service classification identifier is a service type identifier or slice identification information.
US11191069B2 Base station, terminal, and communication method
A base station is disclosed that enables an efficient use of resources even when a TTI length is shortened. In this base station, a PDCCH section (103) generates one piece of downlink control information (DCI) containing control information for a plurality of first transmission time intervals (TTIs) each having a TTI length shorter than a second TTI, and a transmission section (107) transmits the DCI. Control information on retransmission processing for a data signal is configured for each of the plurality of first TTIs while control information other than the control information on the retransmission processing is configured in common among the plurality of first TTIs in the DCI.
US11191067B2 Extending Physical Downlink Control CHannels
Methods and apparatuses for transmitting and receiving at least one Downlink Control Information (DCI) in a communication system supporting Carrier Aggregation (CA) are provided. The method for receiving includes receiving information representative of presence of carrier indicator by higher layer signaling from a Node B; receiving information representative of at least one cell indicator by higher layer signaling from the Node B; defining an UE specific search space based on aggregation level, an UE ID, and at least one carrier indicator value, where the UE specific search space includes a set of Physical Downlink Control CHannel (PDCCH) candidates based on the aggregation level; decoding at least one PDCCH including at least one DCI respectively by the UE ID; and acquiring the at least one DCI, wherein the at least one carrier indicator value is based on the at least one cell indicator.
US11191065B2 Coding technique for multi-stage control information
Systems and methods for multi-stage downlink control information transmission in a manner that supports existing polar codes are provided. In some embodiments, a method of operation of a radio access node in a cellular communications network to transmit multi-stage downlink control information comprises transmitting a first part of a multi-stage downlink control information in a first Orthogonal Frequency Division Multiplexing (OFDM) symbol and transmitting a second part of the multi-stage downlink control information in a second OFDM symbol that is subsequent to the first OFDM symbol. Cyclic Redundancy Check (CRC) bits are attached to the first part of the multi-stage downlink control information and/or CRC bits are attached to the second part of the multi-stage downlink control information. In some embodiments, the first part and/or the second part of the multi-stage downlink control information is encoded using a polar encoder.
US11191060B2 Dynamic wireless network architecture to serve uplink-centric and downlink-centric user applications
In a wireless network, a Distributed Unit (DU) receives Uplink (UL) data from User Equipment (UE) and a Central Unit (CU) receives Downlink (DL) data for the UE. When DL-centric applications in the UE use the DL, the CU executes most network applications and the DU executes a few network applications. When the DL-centric applications use the UL, the DU executes the network applications and the CU transfers the UL data to the core. When UL-centric applications in the UE use the DL, the CU routes the DL data to the DU, and the DU executes the network applications. When the UL-centric applications use the UL, the DU executes a few network applications and the CU executes most network applications to route the data to the core. Advantageously, the DU and the CU are optimized to process UL/DL data for a user application based on whether the user application is UL-centric or DL-centric.
US11191056B2 Systems and methods for validity time and change notification of broadcast location assistance data
Positioning assistance data (PAD) may be partitioned into positioning System Information Blocks (posSIBs) and periodically broadcast by a base station. A posSIB or scheduling information for a posSIB may include a validity time and a validity tag that indicates whether the PAD for a posSIB has changed. A user equipment (UE) may receive a posSIB comprising PAD and the validity time and the validity tag for the posSIB. The UE may then wait until the validity time expires and/or the validity tag in the scheduling information indicates a change of PAD before receiving a new instance of the posSIB. The validity time and validity tag may both be included in the posSIB, in which case the UE may receive the posSIB and then look at the validity tag to determine whether to decode and process the PAD.
US11191051B2 Determining a reference timing for a discovery procedure
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a client device may receive a discovery signal from a host device; determine whether to use a receive timing from the host device, an internal timing of the client device, or a combination of the receive timing and the internal timing to configure a reference timing; configure the reference timing, for transmission of a response to the discovery signal, using the receive timing from the host device, the internal timing of the client device, or the combination of the receive timing and the internal timing based at least in part on the determination of whether to use the receive timing, the internal timing, or the combination of the receive timing and the internal timing; and transmit the response to the host device using the configured reference timing. Numerous other aspects are provided.
US11191049B1 Systems and methods for improving wireless performance
Systems and methods for improving wireless performance are described herein. A method includes nesting a second data packet within a first payload of a first data packet, the first data packet having a first synchronization sequence in combination with the first payload, the second data packet having a second synchronization sequence and a second payload; and transmitting the nested data packet from a transmitter to a receiver across a wireless connection, the wireless connection having attenuation and/or noise which reduces a likelihood of the first data packet being detected by the receiver, the receiver utilizing either of the first synchronization sequence or the second synchronization sequence to detect the nested data packet.
US11191048B2 Enhanced synchronization signals for coverage enhancements of low cost user equipment
A method for a user equipment (UE) in a wireless communication system is provided. The method comprises receiving, from a base station (BS), re-synchronization signals (RSSs) over a downlink channel; identifying time-domain and frequency-domain resources used for the RSSs; and identifying a set of sequences used for constructing the RSSs from the time-domain and frequency-domain resources used for the RSSs.
US11191043B2 User terminal and radio communication method
A terminal is disclosed including a receiver that receives a synchronization signal block including a synchronization signal and a broadcast channel, and a processor that, if specified information is notified to the terminal, derives, based on a timing of a serving cell, a synchronization signal block index for another cell. In other aspects, a radio communication method for a terminal is also disclosed.
US11191042B2 Exchanging ranging and location information among peer-to-peer devices
In some embodiments, a first user device may synchronize a time associated with a second user device. The first user device may generate a neighbor awareness network (NAN) service discovery frame. The first user device may transmit the NAN service discovery frame to the second user device. The first user device may receive a request frame from the second user device based at least in part on transmitting the NAN service discovery frame, wherein the request frame comprises a request for ranging or location information from the first user device. The first user device may receive a NAN service discovery frame from the second user device, wherein the NAN service discovery frame comprises a request for ranging or location information from the first user device. The first user device may transmit a response frame comprising the ranging or location information in response to the received request frame.
US11191040B2 Low latency uplink power control
Methods, systems, and devices for wireless communication are described. A user equipment (UE) may determine separate uplink (UL) power limitations for multiple transmission time interval (TTI) durations based on distinct power control parameters. In some cases, an adjustment factor or a power backoff may be applied to communications using one TTI duration to ensure that total transmit power does not exceed a threshold. The UE and the serving base station may also identify one or more demodulation reference signal (DMRS) windows. UL data transmissions may be demodulated based on a DMRS sent during the same window. Transmit power control (TPC) commands may be applied at the beginning of each window. However, if an UL transmission is scheduled at the beginning of the window, the UE may wait until a DMRS transmission or until no more transmissions are scheduled for the window before applying the TPC adjustment.
US11191037B2 Altitude path-loss based power control for aerial vehicles
Systems, methods, and instrumentalities are disclosed for power control for aerial wireless transmit receive units (WTRUs). Power control may be open loop and may be managed based on altitude. Open loop power control may be based partly on path loss estimation from neighboring cells and may be coordinated among interfering neighboring eNBs using path loss information. Dynamic power control may be driven by the WTRU. Reference signal transmissions by an eNB may use uplink resources for path loss estimation, and interference estimation may be based on uplink reference signals. Path loss estimation may be based on downlink reference signals. Dynamic blanking may be provided for Cell-specific Reference Signals (CRS), and random access (e.g. RACH) may be provided for aerial WTRUs.
US11191034B2 Electronic device for backing off transmission power based on SAR and operation method thereof
An electronic device may include: a memory storing a plurality of antenna configurations, at least one communication processor configured to support at least one network communication, at least one antenna configured to transmit at least one communication signal corresponding to the at least one network communication, and at least one antenna-tuning circuit configured to adjust a resonance characteristic of the at least one antenna, wherein the at least one communication processor is configured to: identify a cumulative specific absorption rate (SAR) value associated with emission of the at least one communication signal based on an antenna configuration of the at least one antenna-tuning circuit among the plurality of antenna configurations; and adjust a transmission strength of a communication signal corresponding to at least one of the at least one network communication based on the cumulative SAR value satisfying a designated condition.
US11191031B2 Path-loss estimation using path-loss reference signal activation and deactivation
Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may perform path-loss estimation to support uplink transmit power control. The UE may perform path-loss estimations on path-loss reference signals configured by a base station. In some cases, the base station may update (e.g., activate, deactivate, or both) particular path-loss reference signals using a medium access control (MAC) control element (CE). The UE may determine which path-loss reference signal or signals to use for path-loss estimation based on one or more techniques. For example, the UE may filter path-loss measurements over a time duration or may use a single, unfiltered path-loss measurement for path-loss estimation. Additionally or alternatively, the UE may receive deactivated path-loss reference signals (e.g., for a set amount of time or for any amount of time) or may refrain from receiving deactivated path-loss reference signals.
US11191027B2 Automatic power saving selection based on target use
The disclosure relates to a method for power management in a battery powered device, wherein the battery powered device comprises a one or more power saving functionalities that are either activated or deactivated on the device, the method comprising: receiving a target battery life, comparing the target battery life with a retrieved time threshold, upon determining whether the target battery life exceeds the retrieved time threshold, selectively activating at least one power saving functionalities from the one or more power saving functionalities. The method may be advantageous as it may allow a user defining a target battery life during which the battery powered device should be able to operate without running out of power.
US11191024B2 Method for power-saving for wirelessly paired devices
The present disclosure provides for power conservation in truly wireless earbuds or other paired wireless devices, by switching a secondary device into a power save mode when the devices are not receiving traffic from the host. In this power-save mode the devices are put into a lower duty cycle than conventional configuration. The primary and secondary devices communicate over a backchannel communication link at a very low duty cycle, in some examples below lower bounds specified for standard communication with other devices. The primary earbud may be responsible for letting the secondary earbud know when to leave power-save mode and resume regular operation.
US11191022B2 Transmission apparatus
A transmission apparatus according to an embodiment includes a power amplifier, an antenna switch, and a control circuit. The power amplifier amplifies and outputs a transmission signal. The antenna switch switches, among at least two or more antennas, an antenna configured to output the transmission signal from the power amplifier. The control circuit performs output power control of the power amplifier when the control circuit outputs to the antenna switch a switching control signal for switching the antenna.
US11191020B2 Terminal state conversion method and apparatus
Disclosed are a terminal state conversion method and apparatus. A base station configures and sends a configuration policy for/to a terminal, wherein the configuration policy is a rule for determining that the terminal enters an inactive state; and a terminal in a connected state receives the configuration policy sent by the base station, and according to the configuration policy, enters the inactive state from the connected state. By means of the present invention, a terminal enters an inactive state from a connected state, and thus the terminal can perform rapid data transmission while saving power.
US11191018B2 Control method of beacon receiving time and station using the method
A control method of beacon receiving time performed in a station that includes a receiving stage, receiving a first beacon n times from an access point (AP), and n is a natural number greater than or equal to 1; a computing stage, computing a first waiting time of a difference between a station wake-up time for receiving the first beacon and a receiving time of the first beacon every time of the n times of receiving; a deriving stage, deriving a representative value out of the n first waiting times; and a setting stage, setting a sum of a first beacon interval and the representative value of the first waiting times as a first wake-up interval of the station.
US11191017B2 Method and apparatus for camping on cell, user equipment, and base station
A method of camping on a cell includes: for selecting a cell to camp, determining a movement speed of user equipment (UE); determining a cell to be camped on based on movement speed of the UE and respective expected speed information of UE to be served by one or more cells capable of being camped on; and camping on the cell to be camped on. The UE can therefore be enabled to select a cell to be camped on suitable for the UE's current movement speed according to the expected speed of UE to be served by a network.
US11191012B2 Methods and apparatuses for multiple system information handling
Systems, methods, apparatuses, and computer program products for multiple system information handling are provided. One method includes receiving, by a UE, one or more instances of system information from the network. For example, the system information may be received in one or more SIBs from an eNB. In one example, the instances of system information may include at least one of legacy system information or eMTC system information. The method may further include determining which of the received instances of system information the UE should use.
US11191008B2 Methods, network node and wireless device for communicating and obtaining system information in a FEMBMS system
A network node (200), a wireless device (202) and methods therein, for communicating or obtaining system information. The network node (200) transmits (2:1) a System Information Block Type1, SIB1, message that includes at least one other SIB than SIB1 as an extension. The wireless device (202) reads (2:2) the at least one other SIB in the SIB1 if the wireless device (202) is capable of reading the extension in the SIB1 message. The network node (200) may further transmit (2:1) the at least one other SIB in a subsequent separate System Information message. The wireless device (202) is then able to read (2:4) the at least one other SIB in the subsequently received System Information message if the wireless device (202) is not capable of reading the extension in the SIB1 message. Thereby, if the wireless device is capable of reading the extension in the SIB1 message it will acquire the system information earlier than if the other SIBs are only transmitted in less frequent System Information messages. If the wireless device is not capable of reading the extension in the SIB1 message, it can still acquire the other SIB(s) from the subsequent System Information message.
US11191005B2 Cyber control plane for universal physical space
A cyber control plane for universal physical space is provided. A method can include establishing, by a device comprising a processor, control of a physical space within a geographic area by a control system for the physical space; in response to the establishing, generating, by the device, an authorization policy that regulates access to a wireless communication network within the physical space based on network access rules provided by the control system; and denying, by the device, access to resources of the wireless communication network within the physical space to a mobile application according to the authorization policy.
US11191004B2 Method and nodes for mobility on demand enforcements
The embodiments herein relate to a method for mobility enforcement performed by a control entity. The method comprises receiving a first control plane transmitted by a wireless communication device, WCD; and in response to receiving the first control plane message obtaining mobility information for the WCD. The mobility information for the WCD identifying at least one of: a set of one or more allowed regions. a set of one or more allowed radio access technologies, RATs, and a set of one or more access points. The method further comprising transmitting to the WCD a response message, said response message identifying at least one of: the set of allowed regions, the set of allowed RATs, and the set of one or more access points. The embodiments herein relate to a control entity performing the method, a corresponding method performed by a wireless communication device, WCD, and a corresponding WCD.
US11191001B2 Handover schemes for millimeter wave (MMW) wireless communications
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may initiate handover from one base station to another. The handover procedure may not include random access channel (RACH) transmissions, and thus may be a localized RACH-less handover. The UE may initiate handover to a new base station based on the relative location of the UE and the new base station, some predetermined time, or based on the characteristics of the signals from each base station.
US11190993B2 Techniques for improving VoNR-to-VoLTE fallback
Certain aspects of the present disclosure relate to methods and apparatus for improving voice over new radio (VoNR)-to-voice over long term evolution (VoLTE). An example method generally includes communicating with and camping on a next generation node B (gNB) in a 5G new radio (NR) system; initiating a voice call with the gNB; receiving a 5G NR-to-long term evolution (LTE) handover command in response to initiating the voice call; performing a handover procedure in response to the handover command; detecting a failure in the handover procedure; and taking one or more actions in response to detecting the failure in the handover procedure.
US11190981B1 Systems and methods for monitoring and managing network traffic in a private cellular network
A router of a private cellular network is configured to receive data packets from a plurality of endpoints; analyze the data packets to determine a corresponding source of each data packet; determine whether each corresponding source is a valid source; drop a data packet for which the corresponding source is invalid; for a data packet received from a valid source, determine whether to process the data packet internally or forward the data packet for external processing and route the data packet to a corresponding destination, the corresponding destination being one of a local enterprise network or a corresponding home cellular network of the valid source from which the data packet is received, wherein the private cellular network is configured to service a confined physical location in which home cellular networks of data packets received from valid sources do not provide cellular connectivity that meets a threshold level of cellular service.
US11190978B2 Data processing method, terminal device, and network device
A data processing method, a terminal device, and a network device are provided, to provide a processing manner of an application data packet in a fourth mode. In this application, the terminal device first obtains the first information. The first information includes the processing manner of the application data packet in the fourth mode. Therefore, the terminal device knows how to process the data packet in the fourth mode, and further processes the terminal device in the determined processing manner.
US11190974B2 Device and method for controlling network congestion with RRC inactive
The present invention relates to a communication technique for converging IoT technology with 5G communication systems for supporting higher data transmission rates than 4G systems and to a system therefor. The present disclosure can be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security- and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. The present invention proposes two methods, a method for resolving the congestion situation of a CN while keeping a terminal RRC-inactive and a method for resolving the congestion situation of a CN by switching a terminal to RRC-idle.
US11190972B2 Method for performing uplink transmission in wireless LAN system and terminal using same
A method for performing uplink transmission in a wireless LAN system according to an embodiment of the present specification may comprise the steps of: receiving, by an AP, a buffer state report frame from a reception STA coupled to the AP, wherein the buffer state report frame is a frame in which a first frame and a second frame are aggregated, the first frame including a first traffic identifier indicating a transmission priority of a first traffic buffered in the reception STA and first queue size information indicating the amount of the buffered first traffic, and the second frame including a second traffic identifier indicating a transmission priority of a second traffic buffered in the reception STA and second queue size information indicating the amount of the buffered second traffic; and transmitting, by the AP, a trigger frame for a plurality of user STAs participating in UL MU transmission on the basis of a buffer state report frame.
US11190971B2 UE assistance application detection and policy control in QoS deployment
Embodiments are presented herein of apparatuses, systems, and methods for a user equipment (UE) device to adaptively provide enhanced the quality of service (QoS) for an application. The UE may request a dedicated bearer or flow for communications conducted over a network between a UE application and a server associated with the application. The UE may use various information, including a QoS profile associated with the application, to determine requested QoS parameters and/or determine whether to provide the enhanced QoS functionality, e.g., whether to request the dedicated bearer/flow from the network. These techniques may tend to provide more appropriate QoS to the application, which may improve user experience.
US11190970B2 Apparatus and method for supporting unicast transmission between user equipments in wireless communication system
The disclosure relates to a 5th generation (5G) or a pre-5G communication system provided to support a higher data transfer rate than a system after a 4th generation (4G) communication system such as long term evolution (LTE). An operation method of a terminal in a wireless communication system includes: obtaining an RLC transmission mode and RLC configuration information in the process of determining a V2X service requiring configuration of a unicast session and configuring the unicast session with another terminal; if the terminal is determined to be in the coverage of a base station, receiving an RLC transmission mode and RLC configuration information from the base station; and if it is determined that the terminal is not located in a base station coverage, obtaining a pre-configured unicast session and pre-configured RLC configuration information for each RLC transmission mode, which is mapped to a V2X service.
US11190966B2 Information indication method, terminal, and computer storage medium
An information indication method includes: receiving, by a terminal, service data adaptation protocol (SDAP) data, and determining, based on reflective quality of service (QoS) indication (RQI) information in a header of the SDAP data, a mapping relationship to be updated, the mapping relationship including: at least one of a first mapping relationship or a second mapping relationship; wherein the first mapping relationship indicates a mapping relationship between an Internet Protocol (IP) flow and a QoS flow corresponding to a first reflective QoS function; the second mapping relationship indicates a mapping relationship between the QoS flow and a data resource bearer (DRB) corresponding to a second reflective QoS function.
US11190965B2 Systems and methods for predictive connection selection in a network of moving things, for example including autonomous vehicles
Communication network architectures, systems and methods for supporting a network of mobile nodes. As a non-limiting example, various aspects of this disclosure provide communication network architectures, systems, and methods for supporting a dynamically configurable communication network comprising a complex array of both static and moving communication nodes (e.g., the Internet of moving things).
US11190960B2 Methods and apparatuses for control resource mapping
Embodiments of the present disclosure relate to methods and apparatuses for control resource mapping. In example embodiments, a method implemented in a communication device is provided. According to the method, REG indices for a plurality of REGs are obtained in a control channel region. The REG bundle indices are determined based on the REG indices and a pattern of REG bundle. The pattern of REG bundle indicates the number of REGs in the frequency domain and the number of OFDM symbols in the time domain. CCE indices are determined based on the determined REG bundle indices and the number of CCEs in the control channel region. The CCE indices are continuous with respect to the REG bundle in the frequency domain.
US11190959B2 Communication device and method of controlling same
Apparatuses, methods, and systems of measuring received power are described, including apparatuses, methods, and systems which can measure received power, even when the subcarrier offset of the measurement bandwidth is different from the subcarrier bandwidth of the cell bandwidth. A method includes receiving, via a transceiver, first channel state information including a first index associated with first subcarrier offset information from a first Base Station (BS); receiving, via the transceiver, a plurality of Resource Blocks (RBs) from a second BS; configuring a second index associated with the plurality of RBs, instead of the first index, when the first index is different from the second index; measuring a received power based on the plurality of RBs from the second BS by using the second index; and identifying the measured received power as a valid received power.
US11190952B2 Setting beam direction for a mobile terminal and a flying object
The present disclosure has an object to provide a specific communication technology for realizing effective communication with a flying object in a communication apparatus including the flying object. The communication apparatus includes a first base station, a flying object including a second base station, and a mobile terminal to communicate with the second base station. The first base station notifies flying object specification information that is information indicating that the second base station is included in the flying object. When the flying object specification information is received, the mobile terminal sets a direction of a beam for detecting the second base station to a second direction that is a direction vertically upward compared to a first direction that is the direction of the beam in a case where the flying object specification information is not received.
US11190945B2 Adaptive spatial reuse
Disclosed wireless networks, wireless devices and methods may provide adaptive spatial reuse to optimize communications performance. In one illustrative embodiment, a wireless network station includes: a baseband processor that frames data units for wireless transmission to a given station; and a radio frequency integrated circuit (RFIC) that couples the baseband processor to one or more antennas. The baseband processor systematically assigns wireless transmission settings to different intervals of data unit transmission to the given station to periodically evaluate a performance for each combination of wireless transmission setting values, the assignment causing settings associated with enhanced performance to be employed with an increased probability or duration.
US11190941B2 Traffic and threat classification for short-range wireless channels
Systems and methods can support identifying threats in short-range wireless communications, such as Bluetooth, using one or more radio frequency sensors to receive signals transmitted between a master device and a slave device. Packets can be identified within the received signals and designated as originating from the master device or from the slave device. The wireless interface can be identified as synchronous or asynchronous. Lengths of data may be identified for data payloads within the packets. Total aggregate data lengths may be calculated for both the master and the slave transmissions. Time slot utilization statistics can be computed. A connection type category may be determined using these wireless connection features. The connection type may be for peripherals, streaming audio, two-way headsets, object exchange, data tethering, and so forth. Potential security threats associated with the wireless interface may be identified from the determined connection type and from the wireless connection features.
US11190939B2 Field programmable network hub with software defined radio
A network hub may be field programmable (e.g., upgradeable). A network hub may be operated with first settings for a configurable software defined radio (SDR) when the network hub receives an update from a server computer over a computer network. Upon installing the update, and rebooting the network hub, settings of the configurable SDR may be changed from the first settings to second, different settings, the second, different settings causing the network hub to operate using a second cellular-based radio technology that is different from a first cellular-based radio technology enabled by the first settings of the configurable SDR.
US11190936B2 Wireless authentication system
Methods, systems, and computer programs are presented for managing electronic devices with autonomous wireless authentication. In one example, the security system includes one or more computer processors, a memory, and a communication channel configured to be coupled to an electronic system. The security system further includes a radio frequency (RF) transceiver configured to receive user-authentication information from a wireless device, and an authentication subsystem for authenticating a user. The authentication subsystem enables the use of the electronic system based on the received user-authentication information. Further, the authentication subsystem sends, over the communication channel, an enable command to the electronic system after the user is authenticated, and the electronic system is not operable until the enable command is received.
US11190931B2 Base station and measurement capability determination method
A master node is disclosed including a controller that determines a number regarding a measurement capability of a terminal in a second radio access scheme, wherein the terminal communicates with a secondary node of the second radio access scheme together with the master node of a first radio access scheme; a transmitter that transmits the number regarding the measurement capability of the terminal in the second radio access scheme to the secondary node; and a receiver that receives from the secondary node a response indicating that the secondary node admits the number regarding the measurement capability of the terminal, wherein the controller controls a measurement operation performed by the terminal based on the response. In other aspects, a measurement operation control method and a secondary node are also disclosed.
US11190928B2 Data storage function selection
Systems, methods, apparatuses, and computer program products for data storage (DS) function selection are provided. One method includes obtaining, from a network node, an address of a DS function that contains user equipment (UE) context information for at least one UE. The method may further include accessing, by a client, the DS function to register for the UE context information.
US11190926B2 Radio based smart device identification tool for commissioning
This disclosure describes systems, methods, and apparatus for wireless and non-line-of-sight commissioning of smart devices. Smart devices can broadcast a first radio message that is detected by an ID tool during commissioning. The first radio messages can be unique to each device, such that the ID tool can send a second radio message addressed to a select device, the address based on the first radio message from the select/addressed device. The addressed device can respond to confirm the identity and location of the addressed device. The ID tool can then send a third radio message with a registration request command, again addressed to the selected installed device. In response, the selected installed device can enter a registration request mode and transmit an identification to a commissioning system, whereby that device's identity is now know to the system and can be wirelessly controlled.
US11190923B2 Method for transmitting data based on multiple communication schemes and electronic device supporting same
An electronic device is provided. The device includes a first communication circuit configured to support first wireless communication, a second communication circuit configured to support second wireless communication, a display, and a processor, wherein the processor is configured to perform the first wireless communication with a first external electronic device using the first communication circuit, display a first screen including first information indicating a connection of the first wireless communication with the first external electronic device using the display, perform the second wireless communication with a second external electronic device using the second communication circuit while performing the first wireless communication with the first external electronic device, display a second screen including second information indicating that at least a portion of the first external electronic device is operable by the second external electronic device using the display, receive first data related to the operation of the at least a portion of the first external electronic device from the second external electronic device based on the second wireless communication, generate second data based on the first data, and transmit the second data to the first external electronic device based on the first wireless communication.
US11190919B2 Method and device for switching NFC card
The present disclosure provides a method and device for switching an NFC card. The method can include determining a non-smart NFC card from a card set that includes smart NFC cards that are activated by default. The method can further include performing an activation operation on the non-smart NFC card, and calling the non-smart NFC card on which the activation operation has been completed to perform near-field communication interaction with a card reading device in a case of receiving response information of activation success, where the response information of activation success indicates that the non-smart NFC card and the smart NFC cards do not conflict. Through the technical solution of the present disclosure, the near-field communication interaction efficiency based on the NFC card can be improved.
US11190918B1 Systems and methods for sensing, recording, analyzing and reporting environmental conditions in data centers and similar facilities
The present disclosure pertains to utilizing hardware and software to control and record environmental and other data obtained from sensors and other devices, placed throughout a facility, and analyzing and displaying the information in a detailed status report of the environmental conditions inside facility, and once analyzed, the software can provide recommendations to implement measures that increase the efficiency of the facility.
US11190916B2 Connected vehicle network access optimization using an intermediary platform
Concepts and technologies directed to connected vehicle network access optimization are disclosed herein. Embodiments can include a system that includes a processor and a memory storing computer-executable instructions that configure a processor to perform operations. The operations can include receiving an access probe message from a telematics control unit of a vehicle. The operations can include determining that the telematics control unit is not authorized to access a network communication service. The operations can further include generating an access redirect command that instructs a head unit of the vehicle to bypass a machine-to-machine platform so as to enable access to the network communication service via a network service portal. The operations can include providing the access redirect command to the telematics control unit of the vehicle.
US11190911B2 Automatic query-based communication system
An incoming message is responded to by a computer system. The incoming message is received by the computer system. Natural language processing is performed on the incoming message by the computer system to generate a query in response to an automatic response to the incoming message being enabled for an originator of the incoming message. Information responsive to the query and contextual information related to the query from information sources are identified by the computer system using the query generated from the natural language processing of the incoming message. An outgoing message is generated by the computer system using the information and the contextual information. The outgoing message is sent by the computer system to the originator of the incoming message.
US11190910B2 Apparatus, circuit and method for controlling service access in packet data communication system
An apparatus, circuit, and method for controlling a service access in a packet data communication system are provided. The method includes broadcasting information related to whether a service access to a specific service is possible.
US11190905B2 Method for determining the relative proximity of wireless networked devices
The present invention provides a method for determining the relative proximity of wireless network devices. The method may advantageously be executed locally on a computing device, so that it provides enhanced reliability, responsiveness, security and privacy as compared to known methods requiring Internet access and/or satellite positioning signals. The determination of the proximity of networked devices allows for efficient implementation of several social network services, such as shared mobility services or location-based services, wherein the proximity of users/devices is a key 10 incentive for the service's usage.
US11190897B2 Localizing binaural sound to objects
An electronic device identifies a location of a physical object that is away from a listener. The electronic device convolves sound so the sound externally localizes as binaural sound to the physical object. The sound plays to the listener through earphones so the listener hears the sound as emanating from the physical object.
US11190893B2 Methods and systems for rendering audio based on priority
Embodiments are directed to a method of rendering adaptive audio by receiving input audio comprising channel-based audio, audio objects, and dynamic objects, wherein the dynamic objects are classified as sets of low-priority dynamic objects and high-priority dynamic objects, rendering the channel-based audio, the audio objects, and the low-priority dynamic objects in a first rendering processor of an audio processing system, and rendering the high-priority dynamic objects in a second rendering processor of the audio processing system. The rendered audio is then subject to virtualization and post-processing steps for playback through soundbars and other similar limited height capable speakers.
US11190891B2 Method for determining whether error has occurred in microphone on basis of magnitude of audio signal acquired through microphone, and electronic device thereof
Various embodiments of the present disclosure relate to an apparatus and a method for detecting an error of an audio component in an electronic device. The electronic device includes: at least one sound output device; at least one microphone; and a processor, and the processor is configured to identify a deviation related to a loudness of an audio signal acquired through the at least one microphone, and to determine whether an error related to the at least one microphone occurs, based at least on the deviation. Other embodiments are possible.
US11190887B2 Fitting and positioning a component for a hearing device
The disclosed technology generally relates to a hearing device positioned partially or completely within an ear canal. In some implementations, the hearing device is an ITE with an oval-shaped or elongated battery, where the battery is positioned at an angle relative to a faceplate of the ITE. The hearing device can be a rechargeable, where the rechargeable battery is positioned (e.g., titled) between at an angle between 10 to 25 degrees relative to the faceplate of the ITE. In some implementations, the faceplate of the ITE is configured to enable the battery to pivot or adjust its angle such that the battery position can be adjusted to use space more efficiently. In some implementations, the battery 220 has a long axis, where the long axis is longer than any other battery axis, and the long axis extends from the faceplate at a non-perpendicular angle (e.g., 10 to 35 degrees).
US11190883B2 Method for operating a hearing device, and hearing device
A method for operating a hearing device is specified. The hearing device has at least one microphone that picks up an input sound signal and converts it into an electrical input signal. The hearing device has a signal processing section that modifies the electrical input signal on the basis of an audiogram of a user and thereby generates a first electrical output signal. The hearing device has an active noise reduction system that generates a second electrical output signal in order to reject a noise component. The hearing device has a receiver that converts the first electrical output signal and the second electrical output signal into an output sound signal, for output to the user. The active noise reduction system is operated in parallel with the signal processing section. A corresponding hearing device is programmed to perform the method.
US11190881B2 Piezoelectric transducer
Systems and techniques are provided for a piezoelectric transducer. A base plate includes a first electrical contact and a second electrical contact. A transduction element is mounted directly on the base plate and electrically connected to the first electrical contact. A spacer includes a via. The via includes electrically conductive material. The spacer is mounted on the base plate around the transduction element and the electrically conductive material of the via is electrically connected to the second electrical contact. A diaphragm is mounted on the spacer and on the transduction element.
US11190880B2 Diaphragm assembly, a transducer, a microphone, and a method of manufacture
A diaphragm assembly for a miniature acoustical transducer having a sufficiently light paddle to allow good audio performance and a sufficiently stiff frame to allow handling. The paddle may be made of a thin sheet of aluminium and the frame of thicker aluminium or a bent sheet of aluminium.
US11190874B2 Information processing device and information processing method
[Object] To prevent appropriately that a user perceives sound emitted by a tactile stimulus (second sound). [Solving Means] To provide an information processing device including a generation section that generates, on the basis of information regarding a first perception characteristic of a user with respect to a first sound emitted from an acoustic presentation section and information regarding a second perception characteristic of the user with respect to a second sound emitted by a tactile stimulus presented from a tactile data presentation section, tactile data to be used for presentation of the tactile stimulus of emitting the second sound that is not perceived by the user.
US11190872B2 Signal processing system and signal processing meihod
A signal processing system includes microphone units connected in series and a host device connected to one of the microphone units. Each of the microphone units has a microphone, a temporary storage memory, and a processing section for processing the sound picked up by the microphone. The host device has a non-volatile memory in which a sound signal processing program for the microphone units is stored. The host device transmits the sound signal processing program read from the non-volatile memory to each of the microphone units. Each of the microphone units temporarily stores the sound signal processing program in the temporary storage memory. The processing section performs a process corresponding to the sound signal processing program temporarily stored in the temporary storage memory and transmits the processed sound to the host device.
US11190870B2 Rotationally symmetric speaker array
A multi-way speaker array is disclosed that includes rings of transducers of different types. The rings of transducers may encircle the cabinet of the speaker array such that the speaker array is rotationally symmetric. The distance between rings of transducers may be based on a logarithmic scale. By separating rings of transducers using logarithmic spacing, denser transducer spacing at short wavelengths is achieved while limiting the number of transducers needed for longer wavelengths by spacing them in larger and larger logarithmic increments. Transducers with overlapping frequency ranges may be used in the speaker array to avoid initial dips or shortfalls in directivity for corresponding beam patterns.
US11190869B1 Phantom powered FET circuit for audio application
A novel phantom-powered FET (field effect transistor) circuit for audio application is disclosed. In one embodiment of the invention, a novel phantom-powered FET preamplifier gain circuit can minimize undesirable sound distortions and reduce the cost of producing a conventional preamplifier gain circuit. Moreover, in one embodiment of the invention, one or more novel rounded-edge magnets may be placed close to a ribbon of a ribbon microphone, wherein the one or more novel rounded-edge magnets reduce or minimize reflected sound wave interferences with the vibration of the ribbon during an operation of the ribbon microphone. Furthermore, in one embodiment of the invention, a novel backwave chamber operatively connected to a backside of the ribbon can minimize acoustic pressure, anomalies in frequency responses, and undesirable phase cancellation and doubling effects.
US11190867B2 Non-blocking dual driver earphones
A head-worn sound reproduction device is provided in the form of left and right earphones, which can either be clipped to each ear or mounted on other headgear. The earphones deliver high fidelity audio to a user's eardrums from near-ear range, in a lightweight form factor that is fully “non-blocking” (allows coupling in and natural hearing of ambient sound). Each earphone has a woofer component that produces bass frequencies, and a tweeter component that produces treble frequencies. The woofer outputs the bass frequencies from a position close to the ear canal, while the tweeter outputs treble frequencies from a position that is either close to the ear canal or further away. In certain embodiments, the tweeter is significantly further from the ear canal than the woofer, leading to a more expansive perceived “sound stage”, but still with a “pure” listening experience.
US11190866B2 Display device
A display device includes: a display panel; a frame disposed on the display panel and having a first hole and a second hole spaced apart from the first hole; a vibration device disposed on the display panel and received in the first hole; and a battery disposed on the display panel and received in the second hole. The frame has a first long side edge, a second long side edge opposite to the first long side edge, a first short side edge disposed between the first and second long side edges, and a second short side edge opposite to the first short side edge. The vibration device is disposed adjacent to the first long side edge, and the battery is disposed adjacent to the second long side edge.
US11190865B2 Display module and mobile terminal
A display module and a mobile terminal are provided. The display module comprises a display panel comprising an earpiece area; and a vibration function layer disposed on a surface of the display panel and used to make mechanical vibrations under control of electric signals to generate sound waves; wherein the vibration function layer comprises an actuator and a vibration layer, the actuator comprises a vibrator disposed in the earpiece area and sound insulation sections disposed on one edge of the earpiece area, and the sound insulation sections are used to stop the sound waves of the earpiece area located on one side of the sound insulation sections from propagating to an opposite side of the sound insulation sections.
US11190864B1 Speaker unit for head-mountable device
A head-mountable device can include a speaker unit that provides structural support to its own components and electrical connections between other components. The arrangement of conductive strips within a back plate of a speaker unit can provide the structural support needed by the components of a speaker while allowing components on opposing sides of the speaker unit to be operably connected to each other. By providing both functions with the conductive strips of a back plate, the total space required is minimized so that the head-securement element (e.g., band) of the head-mountable device maintains a thin profile.
US11190860B2 Switch with a shuffle
A switch for switching a signal between a source client device and a destination client device, the switch includes: a switch module housing unit including a switch module, configured to output a first signal, and a second signal; a shuffle including: a first input, a first output, and a second output, wherein the first input is configured to receive the first signal and the second signal from the switch module, and to direct the first signal to the first output and the second signal to the second output. A switch including a switch module housing unit, including: a first input, a second input, and a first output, wherein the first input is configured to receive a first signal and direct it to the first output, and the second input is configured to receive a second signal and direct it to the first output.
US11190859B2 Photonic switches, photonic switching fabrics and methods for data centers
Data center interconnections, which encompass WSCs as well as traditional data centers, have become both a bottleneck and a cost/power issue for cloud computing providers, cloud service providers and the users of the cloud generally. Fiber optic technologies already play critical roles in data center operations and will increasingly in the future. The goal is to move data as fast as possible with the lowest latency with the lowest cost and the smallest space consumption on the server blade and throughout the network. Accordingly, it would be beneficial for new fiber optic interconnection architectures to address the traditional hierarchal time-division multiplexed (TDM) routing and interconnection and provide reduced latency, increased flexibility, lower cost, lower power consumption, and provide interconnections exploiting scalable optical modular optically switched interconnection network as well as temporospatial switching fabrics allowing switching speeds below the slowest switching element within the switching fabric.
US11190856B2 Synchronizing content and metadata
Time-based events and other metadata that can be added to a media stream to enable downstream systems to enhance the viewing experience are disclosed. The events are given time attributes that establish their location in the media stream so that regardless of where the playhead is located within the media stream, the events that are active at that point in time can be identified and synchronized with the playhead. In addition, a master clock can be used to update a stream timeline associated with the media stream to account for differences between the expected and actual duration of advertisements inserted into the media stream.
US11190854B2 Content-modification system with client-side advertisement caching
In one aspect, a method includes (i) identifying a plurality of upcoming content-modification opportunities for a content-presentation device, each respective content-modification opportunity corresponding to a respective underlying advertisement that is available for replacement by a respective supplemental advertisement; (ii) using the identified upcoming content-modification opportunities as a basis for determining expected values for a plurality of supplemental advertisements; (iii) selecting a subset of supplemental advertisements from among the plurality of supplemental advertisements based on the subset having expected values above a threshold value; (iv) in advance of the upcoming content-modification opportunities, sending the subset of supplemental advertisements to be locally stored at the content-presentation device; and (v) upon occurrence of one of the content-modification opportunities, causing the content-presentation device to replace one of the respective underlying advertisements with one of the locally stored supplemental advertisements.
US11190853B2 Event prompting method and apparatus based on live broadcasting
Embodiment of a method and apparatus for prompting events in live streaming are provided. The method comprises: acquiring an image from a live streaming video; detecting whether the image contains an image region matching with a preset face image; in response to detecting that the image contains no image region matching with the preset face image, detecting whether a preset event occurs; and in response to detecting that the preset event occurs, presenting first prompt information for prompting occurrence of the preset event. With the technical solution provided by the embodiment of the present application, during the live streaming, when the streamer does not face the screen or the streamer is not presented in the live streaming video and a preset event occurs, the streamer can be effectively prompted, so that the streamer aware of the occurrence of the event. This allows the streamer to make a timely response to the event that occurs, which can increase enthusiasm of the viewers, and thus to obtain more support and receive more gifts from the viewers.
US11190847B2 Video textbook environment
A video textbook environment may provide video textbooks for students in various classes at various institutions. The video textbook environment may provide a web interface that displays videos and enables students to take notes regarding the videos. The student may request bookmarks be placed on a video. These bookmarks may be selected to return the video to the designated portion associated with the bookmark. The notes may be timestamped to correspond with a video counter value, such as where a bookmark is positioned. In this fashion, a student's notes may be associated with a given location in the bookmark. Notes may be aggregated for partitions of the video textbook. In particular, notes can be stored in a database a query may be issued to aggregate notes for a selected partition. The notes may then be displayed or downloaded to a user, such as a student.
US11190846B2 Service guide information transmission method, service guide information reception method, service guide information transmission device, and service guide information reception device
A method for receiving a broadcast signal includes receiving the broadcast signal; frequency deinterleaving data in the broadcast signal based on an address generator the address generator including a sequence generator generating a sequence, a symbol offset generator generating a symbol offset, after applying the symbol offset to the sequence, the sequence to which the symbol offset is applied is checked whether an address of the sequence is within a range for the frequency deinterleaving, the address within the range is used for the frequency deinterleaving; decoding the frequency deinterleaved data of a signal frame in the broadcast signal, the decoded signal frame including one or more components included in a content and content information describing the content, the content information including component information including role information for at least one of an audio component, a video component, a closed caption component or an application component of the one or more components; and displaying information related to the content based on the role information of the one or more components of the content in the decoded broadcast signal.
US11190845B2 End-of-show con lent display trigger
Example embodiments provide a system and method for dynamically triggering display of recommendations during an end-of-show period. A digital receiver identifies an end-of-show period for a piece of digital content. The end-of-show period indicates a portion at an end of the piece of digital content during which display of recommendations can be triggered. The digital receiver monitors for a motion indication signal from a remote control device. In response to both playback of the piece of digital content being within the end-of-show period and a determination that the motion indication signal is received, the digital receiver causes immediate display of one or more recommendations of further digital content.
US11190843B2 Content recommendation techniques with reduced habit bias effects
Aspects of the subject disclosure may include, for example, identifying content consumption data associated with media content consumption at a customer device, and generating a content selection recommendation for the customer device. Some embodiments can include determining a habit-based content selection vector for the customer device. Various embodiments can include determining the habit-based content selection vector based on a habit profile for the customer device. Some embodiments can include adjusting a content selection vector for the customer device based on the habit-based content selection vector for the customer device. Various embodiments can include generating the content selection recommendation for the customer device based on the adjusted content selection vector. Other embodiments are disclosed.
US11190842B2 USB-based media device upgrading system
Disclosed herein are system, method, and computer program product embodiments for a USB-based media device upgrading system. An embodiment operates by receiving a fetch command from a first instance of an application executing locally on a host device physically connected to media device. The fetch command is provided to a media device executing a second instance of the application. At the host device, metadata corresponding to the file that was retrieved by the media device is received. A rendering command is determined from the first instance of the application corresponding to displaying the interface including the fetched file as indicated by the metadata. The rendering command is provided to the media device that is configured to display the interface of the application responsive to executing the rendering command.
US11190834B2 Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
An apparatus for receiving a broadcast signal, includes a receiver configured to receive the broadcast signal, a parser configured to parse signaling information for a service scan included in the broadcast signal, a link layer processor configured to process a link layer packet included in the broadcast signal, and an audio/video (A/V) processor configured to present broadcast contents based on the signaling information for the service scan and the link layer packet.
US11190831B2 Image display device and method for controlling the same
A display device includes a display; a first external interface configured to be connected to a first external device; a second external interface configured to be connected to a second external device; and a controller configured to display, on the display, an external source list menu including first connection port information for identifying the first external interface and second connection port information for identifying the second external interface and detect a connection signal indicating whether any one of the first external device or the second external device is connected to any one of the first external interface or the second external interface, wherein the connection signal includes at least one of a first connection signal indicating the first external device is connected to the first external interface or a second connection signal indicating the second external device is connected to the second external interface.
US11190828B1 Systems and methods for versatile video recording
System and methods are disclosed that improve the speed, efficiency and usefulness of digital video recording systems. In some embodiments, during recording of a video capturing live action, a video recorder receives an indication of selection of a dynamic in-point selection user interface element. The video recorder determines an in-point for the video based on when the indication of the selection of the dynamic in-point selection user interface element was received. The video recorder then stops recording of the video in response to user input indicating to stop recording of the video. After stopping recording of the video, in response to user input indicating to start playing the video that was recorded, the video recorder starts playing the video from the in-point instead of a beginning of the video. In other embodiments, the user may be provided options to keep the entire originally recorded video, adjust the in-point, or to have the video be automatically edited based on the in-point in response to some other action, such as uploading the video to a social media site.
US11190826B1 Segment quality-guided adaptive stream creation
Embodiments provide for improved stream generation are provided. A video comprising a plurality of segments and an encoding ladder specifying a plurality of maximum average bitrates (MABs) are received. A plurality of intermediate bitrates interspersed among the plurality of MABs are selected. A target average bitrate (TAB) segment is generated by encoding a first segment using a first MAB, and a first intermediate average bitrate (IAB) segment is generated by encoding the first segment using a first intermediate bitrate. Quality scores are generated for the first TAB segment and the first IAB segment. A first output segment is selected for the first segment at the first MAB based on the quality scores, where the first output segment is either the first TAB segment or the first IAB segment. Upon receiving a request for the first segment at the first MAB, the first output segment is outputted.
US11190821B2 Methods and apparatus for alerting users to media events of interest using social media analysis
Methods, systems, and computer program products for alerting users to media events of interest using social media analysis are provided herein. A computer-implemented method includes collecting user media preferences indicating events of interest to a given user; buffering at least a portion of media content associated with the collected user media preferences of the given user; monitoring social media for one or more events of interest to the given user based on the collected user media preferences of the given user; identifying at least one event that satisfies one or more predefined interest criteria for the given user based on the monitored social media contributions of other parties and the collected user media preferences of the given user; and notifying the given user of the at least one event of interest.
US11190819B2 Video transmission system
Redundant transmitters send the same sequence numbers without matching the sequence numbers. The transmission system includes a PTP grand master, a first and second transmitters configured to synchronize a time with the PTP grand master according to PTP and receive video signals distributed from one video signal, and a receiver connected to the first and second transmitters over an IP-network, the first transmitter and the second transmitter respectively divide the video signals into a plurality of IP-packets, calculate an initial value for RTP sequence numbers based on PTP timestamps in accordance with the synchronized time according to PTP, set the RTP sequence numbers sequential from the initial value to a RTP sequence fields in the plurality of IP-packets respectively, and send the IP-packets to the receiver via a first and second transmission paths according to RTP.
US11190817B2 Method, systems and devices for providing adjusted video content according to viewing distance
Aspects of the subject disclosure may include, for example, embodiments for obtaining video content from a video content server, determining a quality parameter for each of the plurality of adjusted video content, and adjusting the video content to generate the plurality of adjusted video content. Each of the plurality of adjusted video content comprises a different point cloud density according to the quality parameter. Further embodiments can include receiving a request for the video content from a video content application on a communication device, and determining a distance from a viewpoint to a point-cloud object on the video content application of the communication device. Additional embodiments can include selecting an adjusted video content based on the distance from the viewpoint to the point-cloud object and the quality parameter of the adjusted video content, and providing the adjusted video content to the communication device for presentation. Other embodiments are disclosed.
US11190815B2 Multimedia service content providing device and method
The present disclosure relates to a method and device for receiving a content by a terminal device. The method for receiving a content by a terminal device comprises the steps of: transmitting a query message requesting content-related information to a first server; receiving a response message including the content-related information from the first server; on the basis of the response message, requesting a content from a second server corresponding to the content-related information; and receiving the content from the second server, wherein the content-related information includes internet protocol (IP) addresses of the second server, pieces of port information, and pieces of media information relating to a content.
US11190814B2 Adapting live content
A method for adapting a piece of live content includes determining a reference group including at least one reference content consumer device being associated with a reference user and including a user state device for detecting a user state; determining that the piece of live content is streamed to the content consumer devices of the reference group; obtaining, from at least one of the content consumer devices of the reference group, at least one respective emotion indicator; determining an emotion; determining a target group comprising at least one target content consumer device being associated with a target user; triggering adapting of the piece of live content based on the at least one emotion indicator and a preference; and triggering the adapted content to be delayed.
US11190812B2 Communication apparatus, control method for controlling the same, and recording medium for the same
A communication apparatus includes a communication unit; and a control unit. The control unit performs control to cause a relay apparatus via the communication unit to request, from an external apparatus, second data for transmitting first data to the external apparatus. The control unit performs control to cause the communication unit to receive the second data from the relay apparatus. The control unit performs control to cause the communication unit to transmit the first data to the external apparatus without going through the relay apparatus based on the second data. The first data is communicated in compliance with a first communication protocol, and the second data is communicated in compliance with a second communication protocol. A communication compliant with the first communication protocol is less delayed than a communication compliant with the second communication protocol.
US11190811B2 Image display method and electronic device therefor
Provided is an electronic device including a communication unit configured to receive data from a server, a display unit configured to display a first video obtained by photographing a plurality of objects having cameras mounted thereon, or second videos obtained by the objects, an input unit configured to receive a user input, and a controller configured to display the first video on the display unit, receive a user input for selecting at least one of the plurality of objects included in the first video, through the input unit, and control the display unit to display a second video obtained by the selected object, on a part or entirety of the display unit based on the user input.
US11190808B2 Image processing apparatus and image processing method
There is provided an image processing apparatus and an image processing method in which S/N can be improved. A class tap selection unit configures a class tap by selecting a pixel that is a class tap used in class classification of classifying a pixel to be processed of a first image obtained by adding a residual error of prediction encoding and a prediction image together, into any one class of a plurality of classes, from the first image. A class classification unit performs the class classification of the pixel to be processed by using the class tap, and a filter processing unit performs filter processing corresponding to class of the pixel to be processed, with respect to the first image, to generate a second image used in prediction of the prediction image. The class tap selection unit updates a tap structure of the class tap to a selected tap structure.
US11190807B2 Syntax prediction using reconstructed samples
An encoder and a decoder respectively encode and decode signal and syntax elements to/from a bitstream. In the encoding/decoding, semantics for the syntax elements are derived in accordance with previously decoded signal samples. Such encoding/decoding is applicable for instance to a video or audio signal.
US11190801B2 Video encoding method with syntax element signaling of mapping function employed by cube-based projection and associated video decoding method
A video encoding method includes: encoding a projection-based frame to generate a part of a bitstream, wherein at least a portion of a 360-degree content of a sphere is mapped to projection faces via cube-based projection, and the projection-based frame has the projection faces packed in a cube-based projection layout; and signaling at least one syntax element via the bitstream, wherein said at least one syntax element is associated with a mapping function that is employed by the cube-based projection to determine sample locations for each of the projection faces.
US11190800B2 Motion vector predictor list generation for intra block copy mode in video coding
In one example, a method of coding video data includes responsive to determining to predict a current block of a current picture of video data using intra block copy (IBC), generating a motion vector (MV) candidate list for the current block, wherein generating the MV candidate list comprises: determining one or more history-based motion vector prediction (HMVP) candidates; and including, as a last candidate in the MV candidate list, an HMVP candidate of the one or more HMVP candidates; selecting, from the MV candidate list, a particular MV candidate that identifies a predictor block in the current picture; and reconstructing pixels of the current block based on pixels of the predictor block.
US11190795B2 Method and an apparatus for processing a video signal
A method of processing a video signal is disclosed. The present invention includes obtaining a current macroblock type, obtaining skip or direct mode indication information on a partition of the current macroblock according to the current macroblock type, deriving a motion vector of the partition according to the skip or direct mode indication information, and predicting a pixel value of the partition using the motion vector. Accordingly, the present invention obtains a pixel value of a reference block close to an original video using a motion vector, thereby enhancing a reconstruction ratio of the macroblock. As a macroblock uses skip or direct prediction indication information, it is unnecessary to separately code skip mode indication information and direct mode indication information on the macroblock, whereby an information size to be coded can be reduced.
US11190792B2 Picture header presence
A method for decoding a picture from a bitstream. In one embodiment, The method includes: receiving a slice header for a slice of the picture, wherein the slice header comprises a state syntax element; decoding a state value from the state syntax element in the slice header, wherein a) if the state value is not equal to a first value, then the state value indicates that i) the bitstream includes for the picture a picture header comprising a set of picture syntax elements and ii) the slice header does not comprise the set of picture syntax elements and b) if the state value is equal to the first value, then the state value indicates that i) the slice header contains said set of picture syntax elements and ii) the bitstream does not include a picture header for the picture; and using the set of picture syntax elements to decode the slice of the picture.
US11190790B2 Parallel processing method for color component of video signal, and device therefor
A method for parallel processing of color components of a video signal and an apparatus therefor are disclosed. Specifically, there is provided a method for decoding images based on an intra prediction mode, the method comprising: parsing a syntax element indicating whether a CCLM (cross-component linear model) intra prediction on a current chroma block is disabled or not; deriving an intra prediction mode applied to the current chroma block; and generating a prediction sample for the current chroma block based on the intra prediction mode, wherein, when the CCLM intra prediction is disabled, the intra prediction mode is derived in a predetermined first prediction mode set, when the CCLM intra prediction is not disabled, the intra prediction mode is derived in a predetermined second prediction mode set, and the second prediction mode set includes intra prediction modes included in the first prediction mode set and the CCLM intra prediction mode.
US11190787B2 Multi-pixel caching scheme for lossless encoding
Systems and methods are provided for encoding a multi-pixel caching scheme for lossless encoders. The systems and methods can include obtaining a sequence of pixels, determining repeating sub-sequences of the sequence of pixels consisting of a single repeated pixel and non-repeating sub-sequences of the sequence of pixels, responsive to the determination, encoding the repeating sub-sequences using a run-length of the repeated pixel and encoding the non-repeating sub-sequences using a multi-pixel cache, wherein the encoding using a multi-pixel cache comprises, encoding non-repeating sub-sequences stored in the multi-pixel cache as the location of the non-repeating sub-sequences in the multi-pixel cache, and encoding non-repeating sub-sequences not stored in the multi-pixel cache using the value of the pixels in the non-repeating sub-sequences.
US11190782B2 Methods and apparatuses for performing encoding and decoding on image
Provided is a computer-recordable recording medium having stored thereon a video file including artificial intelligence (AI) encoding data, wherein the AI encoding data includes: image data including encoding information of a low resolution image generated by AI down-scaling a high resolution image; and AI data about AI up-scaling of the low resolution image reconstructed according to the image data, wherein the AI data includes: AI target data indicating whether AI up-scaling is to be applied to at least one frame; and AI supplementary data about up-scaling deep neural network (DNN) information used for AI up-scaling of the at least one frame from among a plurality of pieces of pre-set default DNN configuration information, when AI up-scaling is applied to the at least one frame.
US11190777B2 Method and apparatus for video coding
A method for video decoding in a decoder is provided. In the method, coded information of a current block is received from a coded video bitstream. Dimension information and partition information of the current block are determined based on the coded information. A partition mode of the current block is determined as one of an intra sub-partition (ISP) mode and a coding unit partition based on the dimension information and the partition information of the current block. Further, the current block is decoded based on the determined partition mode of the current block.
US11190775B2 System and method for reducing video coding fluctuation
A method for supporting video coding includes obtaining an image frame including a plurality of coding block groups each including one or more coding blocks, using a first coding control model associated with a first coding block group in the image frame to estimate one or more first coding parameters, using a second coding control model associated with a second coding block group in the image frame to estimate one or more second coding parameters, determining one or more effective coding parameters based on an evaluation of the one or more first coding parameters and the one or more second coding parameters, and using the one or more effective coding parameters to encode the plurality of coding block groups in the image frame.
US11190774B1 Screen content encoding mode evaluation including intra-block evaluation of multiple potential encoding modes
Techniques are described for efficiently encoding video data by skipping evaluation of certain encoding modes based on various evaluation criteria. In some solutions, intra-block evaluation is performed in a specific order during encoding, and depending on encoding cost calculations of potential intra-block encoding modes, evaluation of some of the potential modes can be skipped. In some solutions, some encoding modes can be skipped depending on whether blocks are simple (e.g., simple vertical, simple horizontal, or both) or non-simple. In some solutions, various criteria are applied to determine whether chroma-from-luma mode evaluation can be skipped. The various solutions can be used independently and/or in combination.
US11190771B2 System and method of enabling adaptive bitrate streaming for volumetric videos
Aspects of the subject disclosure may include, for example, a device that has a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations including selecting a downsampling technique for removing points from a point cloud in a volumetric video; selecting a data reduction percentage for a target bitrate for streaming the volumetric video; downsampling the point cloud in each frame of the volumetric video for the target bitrate using the downsampling technique and data reduction percentage selected, thereby creating a downsampled volumetric video; and compressing and encoding the downsampled volumetric video, thereby creating an encoded volumetric video. Other embodiments are disclosed.
US11190768B2 Video encoding method with syntax element signaling of packing of projection faces derived from cube-based projection and associated video decoding method and apparatus
A video decoding method includes decoding a part of a bitstream to generate a decoded frame, and parsing at least one syntax element from the bitstream. The decoded frame is a projection-based frame that has projection faces packed in a cube-based projection layout. At least a portion of a 360-degree content of a sphere is mapped to the projection faces via cube-based projection. The at least one syntax element is indicative of packing of the projection faces in the cube-based projection layout.
US11190764B2 Merged mode dependent intra smoothing (MDIS) and intra interpolation filter switching with position dependent intra prediction combination (PDPC)
A video decoder may be configured to determine that a block of video data is coded using an intra prediction mode with position dependent intra prediction combination (PDPC); in response to the intra prediction mode being a particular intra prediction mode, apply a first filter to a first sample in a first reference line to obtain a first PDPC reference sample value; in response to the intra prediction mode being the particular intra prediction mode, apply a second filter to a second sample in a second reference line to obtain a second PDPC reference sample value; determine a predicted reference sample value based on the intra prediction mode; predict a sample of the block of video data based on the predicted reference sample value, the first PDPC reference sample value, and the second PDPC reference sample value.
US11190763B2 Method and device for performing image decoding on basis of intra prediction in image coding system
A method by which a decoding device performs image decoding, according to the present invention, comprises the steps of: deriving an intra prediction mode of a current block; deriving neighboring samples including left neighboring samples and upper neighboring samples of the current block; deriving reference samples for prediction of a target sample among the neighboring samples on the basis of the position of the target sample of the current block and the prediction angle of the intra prediction mode; determining an interpolation filter for the target sample; and deriving the prediction sample of the target sample on the basis of the interpolation filter and the reference samples.
US11190761B2 Method and apparatus for encoding and decoding video using inter-prediction
Image decoding of decoding a sequence of coded pictures on a block-by-block basis is provided. The image decoding incudes decoding a first high-level syntax element from a bitstream to determine, at a sequence level, whether affine motion prediction is allowed. A second high-level syntax element is extracted for each of at least one coding tool from the bitstream depending on the first high-level syntax element. At a picture level, the method determines whether each of the at least one coding tool is allowed. The coding tool includes sample-by-sample adjustment of affine motion prediction samples.
US11190756B2 Head-mountable display system
A method of generating stereoscopic images for display with respect to a virtual display screen (VDS) position, includes setting a VDS position for a stereoscopic image for display such that the depth profile of one or more VDSs approximates the depth profile of one or more objects in a virtual scene to be displayed by that stereoscopic image, and generating the stereoscopic image for display having image parallax appropriate to the VDS position or positions set by the setting step.
US11190754B2 3D display device having a processor for correcting pseudostereoscopic effect
A display device has a display panel for displaying a composite image to allow a viewer to see a 3D image. The composite image has a plurality of right and left image strips alternately arranged. The display device also has camera to monitor a viewing position of a viewer. The camera has a camera lens and a sensor with a plurality of right sensor zones and left sensor zones to capture the viewer's right eye and left eye images. When the viewer is at a viewing position that the 3D image viewed by the viewer appears pseudostereoscopic, the viewer's right eye image is in one of the left sensor zones and left eye image is in one of the right sensor zones. A processor changes the order of the right and left image strips so that the viewer can see a orthostereoscopic image at that viewing position.
US11190748B1 Dynamic parallax correction for visual sensor fusion
An augmented reality (AR) vision system is disclosed. A display is configured to present a surrounding environment to eyes of a user of the AR vision system. A depth tracker is configured to produce a measurement of a focal depth of a focus point in the surrounding environment. Two or more image sensors receive illumination from the focus point and generate a respective image. A controller receives the measurement of the focal depth, generates an interpolated look-up-table (LUT) function by interpolating between two or more precalculated LUTs, applies the interpolated LUT function to the images to correct a parallax error and a distortion error at the measured focal depth, generates a single image of the surrounding environment, and displays the single image to the user.
US11190745B2 Image processing apparatus and image processing method
A controlling value is calculated using a first white balance gain and a second white balance gain. Using the calculated controlling value, an image processing parameter is then modulated. Using this modulated image processing parameter, image data processing is performed, and storage, transmission, and the like of the image processing parameter are performed. This can realize advanced image processing reflective of the white balance gain.
US11190736B2 Video distribution server, video distribution method and recording medium
This video distribution server which receives moving images from an originating terminal and distributes these moving images to a viewer terminal implements a questionnaire within the broadcast on the basis of commands from the originating terminal and provides the same questionnaire to a Web server.
US11190735B1 Video modifying conferencing system
A computer-implemented method for modifying video-based communications produced during a conference call, is disclosed. The computer-implemented method can include monitoring a plurality of images transmitted via a video feed of a device connected to the conference call. The computer-implemented method can include identifying a first unwanted image component transmitted via the video feed. The computer-implemented method can include actively modifying the video feed by removing the first unwanted image component from the video feed.
US11190734B2 Multiway audio-video conferencing with multiple communication channels per device
A device implementing a system for multiway audio-video conferencing includes a processor configured to receive, from a first device, indication of a first channel and a second channel for communicating content for an audio-video conference session. The first channel and the second channel correspond to different types of communication interfaces. The processor is further configured to receive, from the first device, a first request to subscribe to a first content stream for the audio-video conference session via the first channel, and to subscribe to a second content stream for the audio-video conference session via the second channel, and in response to receiving the first request, forward, to the first device, the first content stream via the first channel.
US11190732B2 Workstation for neurobiological disorder health professionals
A workstation for neurobiological disorder health professionals that aids professionals tracking, evaluating and archiving clinical and educational progress through a web application using 360-degree video. The invention allows for organized communication between internal and external resources of an institution to tackle patient/student needs that merit immediate attention from specialists either in an individual or group setting. For additional expertise in acute cases, the institution can get access to consult with specialists around the world through the invention's directory of professionals. The invention allows clinical supervisors to train staff and ensure consistency in therapeutic interventions and evaluations, as well as supervisors in a school setting for consistency in educational programming. The invention also accelerates staff training time through targeted supervision.
US11190731B1 Content amplification system and method
A content sharing system for sharing digital content within a conference space, where specific zones within the space are associated with different stations, includes at least one large common emissive surface arranged for viewing by users within the space, at least a first sensor device located within the space for identifying locations of portable computing devices used by conferees within the space, and a processor linked to the emissive surface and the sensor device. The processor is programmed to determine the location of a portable computing device within the space, recognize that the portable computing device is within one of the specific zones associated a station within the space, and, for each portable computing device that is at a station within the conference space, establish a wireless communication link with the portable computing device and enable the portable computing device to share content on the common emissive surface.
US11190719B2 Sampling device
A first input receiving a voltage to be sampled formed by a terminal of a sampling capacitor. An amplifier has a first input connected to another terminal of the sampling capacitor and a second input connected to a reference voltage. The amplifier is supplied by a power supply configured to deliver a reduced current and to supply the amplifier in a first condition during a first period, deliver a rated current and to supply the amplifier in a second condition during a second period, the reduced current being lower than the rated current. During the first period, the first and second inputs of the amplifier are short-circuited.
US11190713B2 Image processing apparatus and method, and imaging apparatus
An image processing apparatus obtains a visible light image and an infrared light image, and generates a color component of a composite image using a color component of the visible light image, and generates a luminance component of the composite image using luminance components of the infrared light image and the visible light image. The image processing apparatus corrects the color component or the luminance component of the composite image, using a correction coefficient determined based on the color component of the visible light image.
US11190711B2 Solid-state image sensor and electronic device
The present disclosure relates to a solid-state image sensor and an electronic device capable of simultaneously imaging a subject image and detecting a moving object. A solid-state image sensor according to an aspect of the present disclosure is provided with an infrared light detection unit which outputs a moving object image on the basis of infrared light out of incident light, and a visible light detection unit which outputs a subject image on the basis of visible light out of the incident light, in which the infrared light detection unit and the visible light detection unit are stacked and simultaneously output the moving object image and the subject image with the same frame and the same angle of view. The present disclosure is applicable to, for example, an electronic device having an imaging function for detecting a moving object.
US11190707B2 Motion ghost resistant HDR image generation method and portable terminal
The present invention provides a motion ghost resistant HDR image generation method and a portable terminal. A normally exposed image and an underexposed image are mapped to an overexposed image and are fused in the overexposed image, such that the values of the underexposed image are more considered to be used in the fused image in a bright place and the values of the overexposed image are more considered to be used in a dark place; therefore, both the dark place and bright place have abundant information and a motion ghost resistant HDR image is finally generated, thus improving the visual effect of a ghost-removed high-dynamic range image.
US11190706B2 Systems and methods for improved focus tracking using a hybrid mode light source
Systems and methods disclosed herein include an imaging system that may include a laser diode source; an objective lens positioned to direct a focus tracking beam from the light source onto a location in a sample container and to receive the focus tracking beam reflected from the sample; and an image sensor that may include a plurality of pixel locations to receive focus tracking beam that is reflected off of the location in the sample container, where the reflected focus tracking beam may create a spot on the image sensor. Some examples may further include a laser diode light source that may be operated at a power level that is above a power level for operation at an Amplified Spontaneous Emission (“ASE”) mode, but below a power level for single mode operation.
US11190705B2 Intelligent array of lights for illumination
An approach is provided that uses an array of LEDs to illuminate for digital image capturing. A system that includes a processor, a memory accessible by the processor, a digital camera accessible by the processor, a display screen accessible by the processor, and an array of a plurality of LEDs surrounding the display screen, where the array of LEDs is also accessible by the processor. Preferred image quality attributes are retrieved. Then a setting of a set of LEDs is made to a lighting attribute, such as color or brightness. Afterwards, the an image of a subject illuminated by the plurality of LEDs is captured and attributes of this image are compared to the preferred image quality attributes. Based on the comparison, the approach then adjusts the attributes of the set of LEDs.
US11190704B2 Imaging apparatus and control method for performing live view display of a tracked object
An imaging apparatus including: a main image-capture unit; a sub-image-capture unit including an optical system and an image-capture element different from the main image-capture unit capturing an image of an image capturing range of the main image-capture unit and its peripheral region; and a display unit displaying, during live view, an image from the sub-image-capture unit and a recording region being an image capturing range of the main image-capture unit, wherein when the main object is in the recording region, the exposure of the sub-image-capture unit is controlled based on photometric information in the recording region, meanwhile when the main object is out of the recording region and there is a region including brightness exceeding a predetermined value outside the recording region, the exposure of the sub-image-capture unit is controlled to be reduced by a predetermined value, and an image output from the sub-image-capture unit is displayed in live view.
US11190698B2 Imaging apparatus, control method for imaging apparatus, information processing apparatus, and storage medium
An imaging apparatus includes: a focus controller configured to adjust focus by driving a lens; a relative tilt angle controller configured to incline a focus surface by controlling a relative tilt angle of the lens to an image sensor; and an acquisition unit configured to acquire an installation angle of the imaging apparatus based on a relative tilt angle and a distance from a standard surface on the focus surface inclined in accordance with the standard surface. The acquisition unit acquires a relative tilt angle when the focus surface is inclined in accordance with a height of a subject based on the installation angle and a distance between the standard surface and height information of the subject, and outputs the relative ti It angle to the relative tilt angle controller.
US11190697B2 Camera apparatus
There is provided a camera apparatus, including circuitry configured to: output a first image signal for displaying a first image, output a second image signal for displaying a second image. The second image signal is an image signal transmitted as a return signal. Further, the second image is an image that includes one of a location of a focus adjustment in the first image and an enlarged image corresponding to a part of the first image.
US11190691B2 Image pickup apparatus
An image pickup apparatus includes an image sensor configured to capture an object image, an image stabilizing unit that includes a coil, a magnet that faces the coil, and a yoke that contacts the magnet, and moves the image sensor for an image stabilization by electrifying the coil, and a magnetic flux shielding member made of a magnetic material and disposed in an area between the image stabilizing unit and an exterior surface of the image pickup apparatus, through which a magnetic flux generated from the magnet moves toward outside of the image pickup apparatus.
US11190689B1 Multi-camera video stabilization
Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for multi-camera video stabilization. In some implementations, a video capture device has a first camera and a second camera. The video capture device provides a digital zoom capability permitting user-specified magnification changes within a digital zoom range during video recording. The video capture device is configured to use video data from different cameras over different portions of the digital zoom range. The video capture device can process image data captured using the second camera by applying a set of transformations including (i) a first transformation to a canonical reference space for the second camera, (ii) a second transformation to a canonical reference space for the first camera, and (iii) a third transformation to apply electronic image stabilization to image data in the canonical reference space for the first camera.
US11190687B2 Image blur correction control apparatus, camera body, lens unit, image blur correction control method, and storage medium
There is provided an image blur correction control apparatus for correcting image blur of an image capturing apparatus through sharing with a second image blur correction control apparatus in accordance with a predetermined sharing rule. In a case where a first characteristic of the first detector is better than a second characteristic of a second detector included in the second image blur correction unit, a first deciding unit decides a first cutoff frequency based on shake information detected by the first detector, a transmitting unit transmits the first cutoff frequency to the second image blur correction control apparatus as a cutoff frequency to be used by the second image blur correction control apparatus, and a filtering unit performs filter processing on the shake information detected by the first detector. The first cutoff frequency is applied in the filter processing.
US11190684B2 Image processing apparatus, image processing method, and storage medium
An image processing apparatus that generates image data for forming a marker to be arranged on a surface of an object on a base material includes a determination unit configured to determine, based on information about a curvature of the surface of the object, an interval between a plurality of marks, in the marker, including a feature representing a shape of the surface of the object, and a generation unit configured to generate the image data based on the interval between the marks determined by the determination unit.
US11190677B2 Systems and methods for registering headset system
Arrangements described herein relate to systems, apparatuses, and methods for a headset system that includes a transducer, a camera configured to capture image data of a subject, and a controller configured to detect one or more fiducial markers placed on the subject using the captured image data, and register the transducer with respect to the subject based on the detected fiducial markers.
US11190675B2 Control apparatus, image pickup apparatus, control method, and storage medium
A control apparatus includes an acquiring unit configured to acquire a contrast evaluation value for each of a plurality of areas in an image, and a controlling unit configured to detect an in-focus position of a focus lens for each of the plurality of areas based on the contrast evaluation value. The controlling unit determines whether or not the focus lens approaches the in-focus position of each of the plurality of areas based on the contrast evaluation value. The controlling unit determines a driving direction of the focus lens based on a result of a determination. When detecting the in-focus position of one area of the plurality of areas, the controlling unit determines the driving direction of the focus lens based on the contrast evaluation value of another area of the plurality of areas other than the one area.
US11190674B2 Remote camera trigger
This disclosure provides a method and apparatus for controlling a camera to take a photograph. More specifically, a remote that includes a processor and a proximity sensor connected to the micro-processor. The remote also includes a housing and is designed to communicably couple to a camera. The remote is configured to cause the camera to focus in response to sensing a first gesture and to cause the camera to take a photograph in response to sensing a second gesture. In some embodiments, the first and second gestures are touchless.
US11190672B2 Lens module and vehicular imaging device
In a lens module, a first lens barrel has opposing first and second ends and an optical axis. A glass lens is disposed in the first lens barrel, and a resin lens is disposed in the first lens barrel and is arranged to be closer to the second end than the glass lens is. A second lens barrel is disposed in the first lens barrel to surround the at least one resin lens. A holding mechanism applies pressing force to the at least one glass lens and the second lens barrel in a direction of the optical axis to perform pressure holding of the at least one glass lens and the second lens barrel in a direction of the optical axis. The holding mechanism holds the at least one resin lens while preventing the pressing force from being directly applied to the at least one resin lens.
US11190670B2 Method and a system for processing images based a tracked subject
A method for image processing includes the steps of: acquiring a first image including a foreground and a background, tracking a subject to be photographed in the foreground to determine a corresponding first foreground center offset and a corresponding first foreground pre-scaling ratio, performing a smooth processing on the first foreground pre-scaling ratio to obtain a first foreground quasi-scaling ratio, and outputting a second image based on the first foreground center offset and the first foreground quasi-scaling. A system and a non-transitory computer-readable storage medium for processing an image using the above method are also described.
US11190667B2 Information transmission control apparatus, image processing apparatus, and information transmission control method
An image forming device according to the present disclosure includes a facsimile communication unit and a network communication unit. The facsimile communication unit transmits image information in increments of pages to a facsimile device that is a transmission destination, via a public telephone line. The network communication unit transmits image information as a file to an information processing device, via a network. A transmission processing unit performs broadcast transmission processing of transmitting same image information to multiple transmission destinations at one time, by at least one of the facsimile transmission unit and the network transmission unit. Further, a transmission report notification unit makes notification of transmission report information, including transmission destination information representing the transmission destinations of the broadcast transmission processing, to all of the transmission destinations.
US11190665B2 Image scanning apparatus, and method and apparatus for controlling receiving of image scanning optical signal
An image scanning apparatus, and a method and an apparatus for controlling receiving of an image scanning optical signal are provided. The mage scanning apparatus may include an array photosensitive pixel unit configured to receive at least one optical signal, and a control circuit connected with the array photosensitive pixel unit and configured to control the array photosensitive pixel unit to receive the at least one optical signal. With the adoption of the image scanning apparatus, and the method and the apparatus for controlling receiving of the image scanning optical signal, the problem in the related art that an image is easily interfered by external stray lights within a non-exposure time of a scanning period and accordingly quality of a scanned image is reduced may be solved.
US11190663B2 Image scanning apparatus having scanner and image processor, control method therefor, and storage medium storing program for executing control method
An image scanning apparatus that is capable of executing control about an interrupt scan without using another apparatus. The image scanning apparatus includes a scanner and a controller. The scanner scans a document. The controller determines whether interrupt execution of a second scan that is different from a first scan is permitted based on a setting relevant to the first scan that is being executed. The scanner executes the second scan after suspending the first scan in a case where the interrupt execution of the second scan is permitted, and the scanner restarts the first scan after executing the second scan.
US11190659B2 Image scanner with multidirectional illumination
An image scanner including a two-dimensional matrix sensor, a scanning plane defined by the axes, an optical system, an optical axis perpendicular to the scanning plane and coinciding with an axis, a lighting system including at least four light sources that have its own main axis and are positioned so that each light source is adjacent to one side of the scanning plane and illuminates it from a different direction. Each light source is arranged with its own main axis in a plane parallel to a facing mirror-reflecting surface above said facing mirror-reflecting surface and is oriented so as to radiate the scanning plane by specularly reflecting its light beams on the respective mirror-reflecting surface situated on the opposite side of the scanning plane with respect to the light source.
US11190658B2 Image reading apparatus
An image reading apparatus determines an inclination amount corresponding to an inclination angle of a leading edge of an original document in a conveyance direction, and determines the length of the original document in the conveyance direction. The image reading apparatus sets a first value as a set value in a case that the length of the original document is a first length and sets a second value larger than the first value as the set value in a case that the length of the original document is a second length shorter than the first length. If the inclination amount is smaller than the set value, inclination correction for correcting the image represented by the image data is performed such that the inclination amount is reduced, and if the inclination amount is larger than the set value, the inclination correction is not performed.
US11190655B2 Information transmission apparatus and non-transitory computer readable medium
An information transmission apparatus includes a generating unit and a receiving unit. The generating unit generates a second instruction part when a first instruction part is selected. The first instruction part gives an instruction to perform a first transmission process of transmitting information to multiple first transmission destinations. The second instruction part gives an instruction to perform a second transmission process of transmitting the information to at least one second transmission destination among the first transmission destinations. The at least one second transmission destination is a transmission destination to which the information fails to be transmitted. The receiving unit receives change of a second transmission setting for the second transmission process. The second transmission setting is associated with the second instruction part and includes destination information of the at least one second transmission destination.
US11190654B2 Image processing apparatus that previews images, control method for image processing apparatus, and storage medium
An image processing apparatus which is capable of preventing decrease in user convenience with respect to enlarged display of a previewed image. The image processing apparatus generates preview images based on document data. Based on completion of generation of a first preview image based on the document data, a display device is caused to display a screen through which an instruction to start generation of a second preview image based on the document data can be issued.
US11190651B2 Non-transitory computer-readable recording medium containing instructions causing device to download data from server
There is provided a non-transitory computer-readable recording medium for an information processing device provided with a first communication interface, a second communication interface and a controller. The recording medium contains instructions realizing an application program. When startup option including the address information is not delivered and when the address information is not stored, the control executes a standby process to await input of the address information through a user interface is executed. When the address information indicating a location of a storage server is input during the standby process, the controller downloads the content data from the storage server indicated by the input address information. When the address information included in the startup option has been stored in the memory, the controller downloads the content data from the storage server indicated by the address information store in the memory.
US11190650B2 Management apparatus that estimates load of the management apparatus
A management apparatus receives a data set from a target device that is one of a plurality of devices, the data set including a data type, a data body, and identification information of the target device; each time the data set is received, calculates scheduled transmission time for the target device based on reception time of the data set and on the identification information and the data type; estimates a load of the management apparatus at the scheduled transmission time based on the scheduled transmission time and on next transmission time of the data set for the plurality of devices other than the target device; and in a case where the load is higher than a particular level, transmit, to the target device, corrected transmission time as next transmission time for the target device, the corrected transmission time being obtained by adding a correction value to the scheduled transmission time.
US11190649B2 Information processing apparatus determining identity between reading jobs, image reading apparatus, and non-transitory computer readable medium storing program
An information processing apparatus includes a reading job acception section that accepts a reading job; a determination section that, in a case where the reading job acception section accepts a one page reading job subsequent to a previous one page reading job, determines an identity between the reading job and the previously accepted reading job; and a processing section that, in a case where it is determined that the identity with the previously accepted reading job exists as a result of determination of the determination section, processes the reading jobs as one reading job.
US11190644B2 In-call messaging for inactive party
A method for using a system which enables a party to provide an in-call message to another party in an ongoing call includes receiving a first signal indicating that a first party in a call is inactive. The method further includes indicating to a second party in the call that the first party in the call is inactive. The method further includes receiving a recorded message from the second party in the call. The method further includes receiving a second signal indicating that the first party in the call is active. The method further includes providing, in response to receiving the second signal, the recorded message to the first party.
US11190643B1 Automated redistribution of queries to underutilized channels
Aspects of the disclosure relate to automated redistribution of queries to underutilized channels. A computing platform may monitor user traffic for one or more customer service communication channels. Subsequently, the computing platform may identify estimated wait times for a plurality of users to be served via the one or more channels. Then, the computing platform may initiate, via an intelligent virtual assistant, a communication with a given user of the plurality of users. Then, the computing platform may receive, via the intelligent virtual assistant, one or more attributes of a query of the given user. Then, the computing platform may select a channel of the one or more channels. Then, the computing platform may provide, to an enterprise agent associated with the selected channel, the one or more attributes of the query. Subsequently, the computing platform may direct the given user to the selected channel.
US11190638B2 Detection and prevention of unwanted calls in a telecommunications system
A method that detects unwanted calls based on information shared between a first telecommunications network provided by a first service provider and a second service provider providing a second telecommunications network including receiving, by a data-processing system, a request to provide a telecommunications service to the first telecommunications network, the request being received by the first telecommunications network from a user of the first telecommunications network through a first gateway, and wherein the request comprises a calling party identification that identified a calling party and a called party identification that identified a called party. The method further includes examining, by the data-processing system, statistics relating to requests for telecommunications services; and generating, by the data-processing system, a first signal when the called party identification in the request appears in the statistics in excess of a predetermined first number of instances within a predetermined first time interval.
US11190636B2 Telephone number selection
An example method of assigning a telephone number to a user account in a communications system is provided. The method includes obtaining a mnemonic seed and obtaining a subset of telephone numbers filtered from a global telephone number pool based on the mnemonic seed. The alphanumeric representation of each telephone number in the subset is within a threshold Hamming distance of the mnemonic seed. The method further includes receiving an indication of a selected telephone number from the subset and assigning the selected telephone number to the user account.
US11190631B2 System and method of generating in-vehicle favorite contacts list
A system and method of generating an in-vehicle favorite contacts list includes pairing a first mobile device with an in-vehicle infotainment system, and transferring data from the first mobile device to the in-vehicle infotainment system. The data includes a contacts list from the mobile device. The transferred data is weighted, and an in-vehicle favorite contacts list is generated based on the weighted data. The generated in-vehicle favorite contacts list is displayed on a display in the vehicle.
US11190627B2 Telegram splitting for slotted ALOHA
A transmitter is configured to operate in a mobile communication system according to a mobile communication standard (e.g., 3GPP), wherein resources of the communication system are divided into resources elements. The transmitter is also configured to transmit an additional telegram by separating the telegram into a plurality of data packets, each of the data packets being shorter than the telegram, and transmitting each of the data packets respectively in one of the resource elements.
US11190616B2 Dynamic endpoint communication channels
The present disclosure relates generally to systems, methods, and computer-readable storage media for providing a concierge service to handle a wide variety of topics and user intents via a common interface. The concierge service can be part of a connection management system that can dynamically manage and facilitate conversations between a user making a request or providing an instruction and one or more endpoints for the purposes of fulfilling the request or instruction. Such dynamic management may include transferring a communication session to a social network member endpoint based on an intent identified within natural language communications, tracking a dynamic sentiment score, and automatically switching the communication session to another endpoint based on a change in the dynamic sentiment score.
US11190615B2 Technique for enhancing rendering of displayable content
A technique for enhancing rendering and scheduling of displayable content comprising plural objects is disclosed. In a first method aspect, the method is performed in a user equipment (UE) and comprises prioritizing, based on collected information on object priority, objects responsible for a start rendering time over other objects, and transmitting information concerning the prioritized objects towards an object scheduler in an access network. In a second method aspect, the method is performed in an object scheduler and comprises receiving the information concerning prioritized objects from the UE, wherein objects responsible for a start rendering time have been prioritized over other objects, and scheduling objects to be transmitted to the UE based on the information concerning the prioritized objects.
US11190608B2 Systems and methods for an automotive commerce exchange
Disclosed are systems and methods to provide a platform for standardizing application programming interfaces (APIs) for a plurality of different dealership management software (DMS) systems. A computer server includes one or more processors of an automotive commerce exchange platform. The one or more processors are configured to execute a plurality of different software interfaces with a plurality of different DMS systems and provide a standardized software interface. The standardized software interface is configured to enable communication between the one or more processors of the automotive commerce exchange platform and a plurality of different devices of entities involved with an automotive market. The standardized software interface is also configured to enable the plurality of different devices access to each of the plurality of different DMS systems independent of local software interfaces of the plurality of different devices with each of the different DMS systems.
US11190607B2 Communication monitoring apparatus, communication monitoring method, and computer-readable non-transitory storage medium
A monitoring apparatus holds extracted information including: extracted data from first communication between a proxy and a first network and from second communication between the proxy and a second network; and reception times of a target data, wherein the extracted data includes kinds of communication, sources and destinations of the target data in the first communication, and the sources in the second network and the destinations in the first network after the target data is relayed by the proxy in the second communication, the monitoring apparatus: for first extracted data of first kind of communication in the first communication, acquires second extracted data in the second communication whose reception time is coincidental time zone of the reception time of the first extracted data; and determines whether communication using the target data from which the acquired second extracted data is extracted is included in a series of end-to-end communication.
US11190606B2 Automatic switching device operation determination based on received notifications
A switching device is enabled to automatically perform one or more actions based on one or more notifications received thereby. A notification may be received by a device communicatively coupled to the switching device, or alternatively, may be internally-generated. Upon receiving the notification, the switching device utilizes a notification-to-action mapping to determine which action(s) are to be performed based on the notification received. The action(s) include automatically switching the switching device to a device coupled to a port thereof and/or automatically launching an application executing on that device in order to view the notification and/or content associated with the notification. In other example, the action(s) may include sending the notification to another device, such as a user's mobile phone and/or causing an application executing on the mobile phone to be launched in order to view the notification and/or content associated with the notification.
US11190598B2 Methods and systems for session management
Methods and systems for sending data are described. A computing device may send data to one or more requesting devices via one or more communication sessions. The computing device may update a state of a token(s) based on requests received and/or data sent. The computing device may manage the one or more sessions according to the state of the token(s).
US11190596B2 Session processing method and related device
In a session management method, when a first access and mobility management function (AMF) network element serving a terminal becomes unavailable, a service management function (SMF) network element obtains a pool identifier of an AMF pool that includes the first AMF, and queries a network repository function (NRF) entity to obtain the address or identifier of a second AMF in the same AMF pool. The SMF then triggers the second AMF network element to obtain a context of the terminal from a unstructured data storage function (UDSF) entity.
US11190591B2 Methods, systems, and computer readable media for resource optimization in group message delivery for narrowband internet of things (NB-IoT) devices
According to one aspect, the subject matter described herein includes a method for service-specific group message delivery to narrowband Internet of things (IoT) devices. The method includes operations performed by a network node including at least one processor. The operations include receiving, on a first interface, a request for service-specific group message delivery to narrowband IoT devices supporting a specified service. The operations further include generating, by the network node, a message for service-specific group message delivery for transmission on a second interface, the message including a NB-IoT service information parameter for identifying a narrowband IoT service provided by the narrowband IoT devices supporting the specified service. The operations further include transmitting, from the network node and on the second interface the message for service-specific group message delivery to narrowband IoT devices.
US11190590B2 System and method for server based control
A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.
US11190588B2 Host initiated link reset in a storage area network
Embodiments include performing a host-initiated link reset in a storage area network (SAN). Aspects include identifying, by a host in communication with the SAN, each link in the SAN, wherein each link is defined by a pair of ports. Aspects also include obtaining, by the host, a buffer credit balance for each port in the SAN and calculating, by the host, a buffer credit imbalance for each link in the SAN. Aspects further include causing a reset of the link based on a determination that the buffer credit imbalance for a link exceeds a threshold value.
US11190587B1 Synchronizing cloud data based upon network sensing operations
Disclosed herein are embodiments of a cloud data synchronization system enabling an user operating a mobile client device to download mission-specific data sets from a fixed cloud-based server system to a database of the mobile client device, and then use the downloaded data sets independently on the mobile client device when the mobile client device is disconnected from a network connecting to the fixed cloud-based server system. When connectivity to the fixed cloud-based server system is re-established by the mobile client device in an intermittent and bandwidth-limited communication network environment, the fixed cloud-based server system may provide bi-directional data synchronization between records of the fixed cloud-based server system and the mobile client device to update the data sets on the fixed cloud-based server system and the mobile client device while operating in the intermittent and bandwidth-limited communication network environment.
US11190584B2 Method and device for acquiring bit torrent resource information
A method and a device for acquiring bit torrent (BT) resource information are provided. When interacting with a peered terminal for exchanging the data of a BT resource, in the case that a local terminal does not have the metadata of the BT resource, the local terminal, after performing the BT protocol handshake, determines the number of data slices of the BT resource based on the bitmap A of the BT resource sent by the peered terminal, and then a NOT operation of the bitmap A is performed, and the bitmap B obtained through the NOT operation is fed back to the peered terminal to trigger the peered terminal to send an acquisition request to the local terminal for the data blocks of the BT resource.
US11190580B2 Stateful connection resets
A method of resetting a stateful connection in a storage cluster with stateless load-balancing is provided. The method includes receiving a packet associated with a stateful connection between a client and a first storage node of the storage cluster. The method includes sending a reset packet from a second storage node to the client, through a stateless load balancer, responsive to the second storage node failing to recognize the packet associated with the stateful connection between the client and the first storage node, wherein the client resets the stateful connection responsive to receiving the reset packet. The method includes sending further reset packets from the load balancer to a plurality of storage nodes of the storage cluster, responsive to receiving, at the load balancer, the reset packet from the second storage node, wherein the plurality of storage nodes reset stateful connection information responsive to receiving the further reset packets.
US11190577B2 Single data transmission using a data management server
Techniques for processing application data are described. The techniques include transmitting packets of application data to a data management server. The data management server maintains rules that dictate where the packets go as well as what actions are taken in response to the packets. Based on the rules, the data management server transmits the packets to destinations that may perform various actions. The actions performed by destinations may include logging data received from the applications, or performing other actions such as notifying an administrator or other entity of a particular event, or the like. The described architecture decouples functions such as logging, notification, and the like from the applications for which they are performed, which provides benefits such as improved scalability, as well as removing the need for application developers to build such functionality directly into the applications. This reduces application development time and improves the robustness of application functionality.
US11190565B2 Operator to processing element assignment in an active stream processing job
Within a portion of a currently executing compiled streams application according to a request to modify a configuration of the portion, a placement is performed of an operator of the currently executing compiled streams application into a processing element, wherein the currently executing compiled streams application has a configuration assigned before application execution began. In response to the placement, a resource allocation corresponding to the placement is performed according to the request, the resource allocation specifying a resource assigned to the processing element. The processing element is activated to execute the operator according to the placement and the resource allocation.
US11190563B2 Parallel execution of request tracking and resource delivery
Systems and methods of parallel uniform resource identifier resource extraction are provided. A tracking uniform resource identifier (URI) generation component can generate a first uniform resource locator (URL) that, responsive to actuation by a client computing device, causes the client computing device to send a content item identifier of a content item and a device identifier of the client computing device, via a computer network, to a records server at a first network location identified by the first URL. A resource URI generation component can generate a second URL that, responsive to actuation by the client computing device, causes the client computing device to retrieve, via the computer network, a first resource from a second network location identified by the second URL for display by the client computing device. A content item packaging component can generate the content item.
US11190561B2 Virtual computing system providing local screen sharing from hosted collaboration applications and related methods
A computing system may include a first client computing device configured to locally generate a first local graphics surface, and a second client computing device configured to locally generate a second local graphics surface. A collaboration cloud computing service may cooperate with the first and second client devices to capture the first graphics surface from the first client device and share the first graphics surface from the first client device within the second graphics surface of the second client device, determine a media cloud source and playback control data associated with a video to be displayed in the first graphics surface of the first client device, and cause the second client computing device to independently stream the video from the media cloud source and play the video within the shared first graphics surface synchronously with playback of the video at the first client device based upon the playback control data.
US11190560B2 Sharing computer application activities
Information regarding application usage on an actor device may be provided through activity notifications and activity reports. An activity notification describing current application activity on an actor device is sent, via wireless connection, to an observer device which displays the activity notification. Activity notifications provide different granularity levels of information based on a received level selection or based on a distance (proximity) between the actor device and the observer device. An activity report representing the history of application usage on an actor device may be displayed on the actor device. For example, the activity report may be triggered to by displayed when the actor device is placed flat. The activity report provides a graphical representation of the application usage on the actor device for a predetermined time period of prior usage. The graphical representation may comprise a plurality of stripes, each stripe representing a particular application or application type.
US11190554B2 System and method for discovery and access of uplink services
A method of a device for discovering a receiving device of uplink streams is provided. The method comprises identifying parameters for processing the uplink streams of an uplink service, transmitting, to a network entity, a discovery request message including the parameters for discovery of the receiving device capable of processing the uplink stream, wherein the discovery request message includes a set of parameters for a camera system, receiving, from the network entity, a discovery response message including information of the receiving device of the uplink streams, and establishing a session connection for transmitting the uplink streams to the receiving device for processing the uplink stream based on the discovery request and response messages.
US11190551B2 Interception of high-throughput data traffic
Systems, devices, and techniques described herein relate to interception of data traffic that is traversing a network at a relatively high throughput rate. In some examples, a request to initiate interception is received from a server. In response to receiving the request to initiate interception, an instruction to forward user plane data to the server can be transmitted to a User Plane Function (UPF). The UPF may be transferring the user plane data in a data flow. The instruction may cause the UPF to forward the user plane data to the server in multiple streams. In addition, control plane data associated with the data flow can be transmitted to the server.
US11190549B2 Method and devices for enabling portability of data and client between cloud service providers
A device creates virtual storage bucket to abstract the data and the access from another device, and to secure the access using the IAM and the data using encryption and/or Mojette transform in order to generate encrypted/encoded data and transmits the data to another device. The other device saves the encrypted/encoded data for later transmitting the data to the same first device or another for decryption/decoding, securing porting of clients together with associated data in multi cloud environments.
US11190548B1 Coherent method of consistency for purpose of cloud authorization
The present disclosure sets up the foundation of consistency for cloud authorization. Consistency is formalized as univalence and a scheme of inductive types, and consistency pushouts and pullbacks are derived for cloud authorization. Induction schemas are developed for services, repositories and messages. The consistency is characterized as relative consistency, paraconsistency, and three levels of inconsistency. Due to duality of consistency, consistency recovery is constructed with a semantic model and synthetic retry message type families.
US11190547B2 Cellular internet of things battery drain prevention in mobile networks
Techniques for cellular Internet of Things (IoT) battery drain prevention in mobile networks (e.g., service provider networks for mobile subscribers) are disclosed. In some embodiments, a system/process/computer program product for cellular IoT battery drain prevention in mobile networks includes monitoring network traffic on a service provider network at a security platform to identify a misbehaving application based on a security policy, wherein the service provider network includes a 4G network or a 5G network; extracting subscription identifier information for network traffic associated with the misbehaving application at the security platform; and enforcing the security policy at the security platform to rate limit paging messages sent to an endpoint device using the subscription identifier information and based on the security policy.
US11190541B2 Monitor device, base station, monitoring method, control method, and non-transitory computer readable medium
An object is to provide a monitor device capable of reducing threat of DoS attacks on a mobile network. A monitor device (10) according to the present invention includes a signal monitor unit (11) for estimating a specific base station communicating with a communication terminal (30) attacking a mobile network according to the number of times an ATTACH procedure is rejected, in which the ATTACH procedure is for registering information about a communication terminal (30) communicating with a base station (20) in a communication device (40) located in the mobile network, and a base station control unit (12) for causing the specific base station to determine whether to execute the ATTACH procedure related to a communication terminal served by the specific base station according to communication terminal identification information set in a signal transmitted from the communication terminal served by the specific base station.
US11190534B1 Level of network suspicion detection
Systems, devices, media, and methods are presented for determining a level of abusive network behavior suspicion for groups of entities and for identifying suspicious entity groups. A suspiciousness metric is developed and used to evaluate a multi-view graph across multiple views where entities are associated with nodes of the graph and attributes of the entities are associated with levels of the graph.
US11190531B2 Systems for secure data connections in an aviation environment
A secure communication management (SCM) computer device for providing secure data connections in an aviation environment which, includes safety of flight information, is provided. The SCM computer device includes a processor in communication with a memory. The processor is programmed to receive, from a first user computer device, a first data message for a first aircraft. The first data message is in a standardized data format. The processor is also programmed to analyze the first data message for potential cybersecurity threats. If the determination is that the first data message does not contain a cybersecurity threat, the processor is further programmed to convert the first data message into a first data format associated with the first aircraft and transmit the converted first data message to the first aircraft using a first communication protocol associated with the first aircraft.
US11190530B2 Method and system for detecting attacks on monitored physical systems
A computer system and computer implemented method of detecting attacks on physical systems are disclosed. The system may include one or more databases and one or more controller configured to execute instructions. The instructions may include the following method steps: receiving at least one signal related to a monitored physical system; de-noising the at least one signal to extract a smooth portion of the signal; detecting one or more states of the monitored physical system by analyzing the smooth portion of the signal; obtaining a noise portion of the signal by subtracting the de-noised smooth portion from the at least one signal; classifying the noise portion; determining expected states of the system based on the classified noise portion; comparing the expected states to the detected one or more states; and detecting an attack on the monitored physical system based on the comparison.
US11190523B1 Post-activation installation of custom applications with system privileges
A mobile communication device. The mobile communication device comprises a radio frequency transceiver, a processor, a memory comprising a system partition and a non-system partition, wherein the system partition comprises a hidden application, and an installer application stored in the system partition of the memory. When executed by the processor, the installer application receives a first message comprising an identity of an enterprise and a communication address of an application download service, sends a second message to the communication address received in the first message, wherein the second message comprises the identity of the enterprise received in the first message, receives a third message that comprises an enterprise application associated with the identity of the enterprise, installs the enterprise application in the system partition of memory in the place of the hidden application, and sets the status of the enterprise application to visible status.
US11190519B2 Dock administration using a token
In some examples, a software agent may request a token from a server. The request may include dock identifiers associated with one or more docks, credentials, and actions to be performed by the one or more docks. The server may determine, using an access control list, whether the credentials authorize the software agent to instruct the one or more docks to perform the actions. If the server determines that the software agent is authorized, then the server may send a token to the software agent. The software agent may send an action request to the one or more docks. The action request may include the token and the actions. Each dock that receives the request may attempt to validate the token. If the dock successfully validates the token, the dock may perform the actions and send a message to the software agent indicating a result of performing the actions.
US11190518B1 Multi-domain management system
The innovation disclosed and claimed herein, in one aspect thereof, comprises systems and methods of an improved multi-domain management system. The innovation provides mitigation of uncontrolled privilege and access, lacking defined roles for at user. The innovation mitigates risk of inadvertent error while not diminishing desired trans-domain user capability. Functions such as creating user and/or service accounts, group creations, group memberships, host memberships, and the like, may thus be undertaken from a single high level location, based on controlled user rules at that level, and may do so without regard or limitation to the specific domains or master server controls at the specific domains. Agnostic aspects are coupled with scalability regardless of number of domains. Such an improved management system provides for mitigating risk of human interactions across multiple domains and multiple domain interactions without diminishing desired user controls at the highest electronic infrastructure interaction level.
US11190515B2 Network device information validation for access control and information security
A system that includes a threat management server configured to store a device log identifying device information for endpoint devices that have passed authentication. The threat management server is configured to determine that first device information for an endpoint device obtained from a switch and second device information for the endpoint device from the device log file do not match, and, in response, block the endpoint device from accessing a network. The switch is operably coupled to the threat management server and configured to collect the first device information for the endpoint device and send it to the threat management engine.
US11190514B2 Client-server security enhancement using information accessed from access tokens
A service computing system receives an API call in which an authorization token, that contains an identifier in the content of the authorization token, is included in a header of the API call. The identifier is also included as a parameter passed in with the API call. The service computing system parses the API call to obtain the authorization token, and the identifier included in the authorization token. It also obtains the identifier passed in as a parameter of the API call. The service computing system compares the identifier obtained from the authorization token to the identifier passed in as a parameter of the API call to determine whether they match. If they do not match, the API call is processed as an unauthorized API call. A security system in the service computing system authorizes the API call based on the comparison.
US11190508B2 Location-aware service request handling
Example methods and systems are provided for location-aware service request handling. The method may comprise: generating and sending location information associated with virtualized computing instance to a service node or a management entity for transmission to the service node. The location information may identify logical element(s) to which the virtualized computing instance is connected. The method may further comprise: in response to detecting, from the virtualized computing instance, a service request for a service from the service node, generating a modified service request by modifying the service request to include the location information associated with the virtualized computing instance; and sending the modified service request towards the service node.
US11190507B2 Trusted device establishment
A device implementing a trusted device establishment system includes at least one processor configured to receive, via a direct wireless connection and from an other device, a public key associated with the other device and an indication of a data item previously provided to the other device via an out-of-band channel. The at least one processor is further configured to verify that the indication of the data item corresponds to the data item previously provided to the other device, and store, in a secure memory region, the public key in association with an identifier corresponding to the other device when the indication of the data item is verified. The at least one processor is further configured to authorize the public key to access a secure device based at least in part on the public key being stored in the secure memory region.
US11190502B2 Automated single sign-on configuration for service providers
An identity provider, within a directory service, provides an automatic technique for configuring the single sign-on settings of a service provider. The directory service contains pre-configured templates for each service provider supported by the directory service which include the details of the service provider's SSO configuration settings web page. A configuration sign-on script is generated to automatically fill in the configuration settings so that the principal can perform single sign-on with the service provider's preferred authentication and authorization protocol.
US11190497B2 Systems and methods for application identification
Systems and methods for application identification in accordance with embodiments of the invention are disclosed. In one embodiment, a user device includes a processor and memory configured to store an application, a session manager, an application identifier, and at least one shared library, and the processor is configured by the session manager to communicate the application identifier and the application identifier data to an authentication server and permit the execution of the application in response to authentication of the application by the authentication server.
US11190495B2 One-time-pad encryption
Methods for secure communications using one-time pad encryption are provided. In one aspect, a method includes generating and sharing, via proximity inter-device communication, unique device codes on each of multiple devices to be paired or grouped together, intermixing the device codes to generate a one-time pad code, generating a random block of data based on the one-time pad code, persisting the one-time pad code and random block of data over each device, and encrypting/decrypting messages between the paired or grouped devices. Systems and machine-readable media are also provided.
US11190493B2 Concealing internal applications that are accessed over a network
Examples herein describe systems and methods for concealing internal applications that are accessed over the internet. A user device can select a remote internal application to access using a client. The user device can send an access request to an open listening port of an access server. The access server can be a gateway and proxy to the internal application, which can reside elsewhere. The access server can open a different randomized access port for establishing the connection by proxy to the internal application. The port number for the access port can be identified in the access request at the listening port. The access server can open the access port for a short time interval. The connection can be made through the access port during that time interval. A firewall can then close the access port but maintain an established connection between the user device and the internal application.
US11190492B2 Local interception of traffic to a remote forward proxy
An application using a VPN is programmed to transmit proxy traffic to a remote proxy server. Traffic to the proxy server is intercepted, shifted to user space, and processed according to one or more options. Traffic may be terminated by a local proxy that resolves domain names in traffic and requests referenced content. Intercepted traffic may include plain text data in headers that is encrypted before forwarding to a different proxy server. Traffic may be evaluated, such as a User Agent string in order to determine routing choices, such as blocking, throttling, local termination, transmitting through a VPN, or other options. Multiple VPNs may operate on the same user computer and proxy traffic may be intercepted and processed by transmitting it through a VPN, bypassing all VPNs, or routing through a different VPN.
US11190488B1 Adaptive security filtering on a client device
Adaptive security filtering on a client device. A method may include applying a data filter to a client device to obtain a first set of data associated with the client device, determining a risk level of a datum of the first set of data, determining a resource level associated with obtaining the first set of data, adjusting the data filter to an adjusted filter based on the determined risk level of the datum and the determined resource level, and applying the adjusted filter to the client device.
US11190487B2 Identifying security risks and enforcing policies on encrypted/encoded network communications
Network traffic associated with a communication between a client device and a resource is monitored. At least of the monitored traffic is encrypted. The encrypted traffic is categorized. One example way to categorize the encrypted traffic includes using Domain Name System (DNS) query information. A policy is applied to the communication based at least in part on the categorization of the encrypted traffic.
US11190486B2 Automatic security response using one-way links
In one embodiment, a secure network system includes a two-way bridge connecting a protected packet data network with an external packet data network so as so allow bidirectional communication between the protected and external networks, a one-way link unidirectionally connecting the protected network to the external network and physically configured to carry signals in one direction from the protected network to the external network and to be incapable of carrying signals in the opposite direction from the external packet data network to the protected packet data network, and a security server to receive an indication of a security threat to at least one of the networks, and in response to the indication, to deactivate the two-way bridge and activate the one-way link so as to prevent the protected network from receiving packets from the external network while allowing forwarding of packets from the protected network to the external network.
US11190480B2 Transparently proxying connections based on hostnames
Disclosed are various embodiments for providing split-tunneled network connectivity on a per-application basis. A DNS query is received from a locally hosted DNS resolver. A first recursive DNS query is sent to an external DNS server and a second recursive DNS query is sent to an internal DNS server. A first recursive DNS response is then received from the external DNS server and a second recursive DNS response is received from the external DNS server. A response is then provided to the DNS query.
US11190479B2 Detection of aberrant domain registration and resolution patterns
A method for detecting a predetermined behavior during a domain name registration or a domain resolution activity includes identifying one or more dimensions to be tracked. One or more metrics for each dimension is/are identified. A first time series for each of the metrics is generated. One or more first outliers in at least one of the first time series is detected. One or more sets of metrics is generated, each set including a combination of two or more of the metrics. A second time series for each of the metrics in the one or more sets of metrics is generated. One or more second outliers in at least one of the second time series is/are detected.
US11190478B1 Enhanced user interfaces and associated processes in email communication
Methods and systems are disclosed for user interfaces and associated processes in email communication. Incoming email messages that identify a sender and message recipients are rendered with Reply, Reply-All, and Forward command icons that can be activated by a user to create an outgoing email message. When a user so activates one of the command icons, the methods and systems create and render the outgoing email message to include a Send icon that indicates the command activated to create the outgoing email message (e.g., the Send icon alerts the user that the outgoing email message was created responsive to a Reply-All command). The Send icon may also inform the user of input required to activate the Send command (e.g., double click) based on the command that initiated creation of the outgoing email message.
US11190474B2 Method and system for collecting and presenting historical communication data for a mobile device
Among other disclosures, a method may include collecting historical communication data and personal data relating to a portion of a plurality of communications, a sender of one or more of the communications or one or more recipients of the communications. The method may include depositing the collected data into a repository of historical communication data and personal data. The method may include presenting one or more items in the repository on a mobile device, in response to user behavior.
US11190473B2 Document processing
A content score value is assigned to a text message for content categories. Context data values relating to the text message and to context categories are collected. A context score value for each context category is determined by comparing the context data values with context data threshold values. A content score value for each content category is determined by comparing the content data values with content data threshold values. A difference factor value is calculated as a square root of a summation over differences between the context score values and the content score values. If the difference factor value is determined to exceed a specified difference factor threshold value, then a confirmation is requested and received. The text message is sent by electronic mail to a receiving address.
US11190471B2 Methods, systems, and media for identifying and presenting video objects linked to a source video
Methods, systems, and media for identifying video objects linked to a source video are provided. In some embodiments, the method comprises: identifying demographic attributes corresponding to a first user participating in an online conversation; determining at least one keyword associated with the online conversation, wherein the keyword indicates a topic of the online conversation; identifying a video object based at least on the demographic attributes and the at least one keyword, wherein the video object comprises a portion of a video; causing the identified video object to be presented in a group of video objects on a first user device associated with the first user; receiving an indication that the identified video object has been selected on the first user device for inclusion in a message in the online conversation; and causing the identified video object to be presented on a second user device associated with the second user.
US11190469B2 Enhanced digital messaging
Embodiments of the disclosure provide a method of processing messages received in an asynchronous communication system. In some embodiments, the method includes determining that a conversation is established with a customer communication device using an asynchronous communication channel, analyzing one or more messages exchanged over the asynchronous communication channel to determine a likelihood of communication disengagement, comparing the likelihood of communication disengagement with a predetermined disengagement threshold, and based on the comparison of the likelihood of communication disengagement with the predetermined threshold, updating a graphical user interface of an agent communication device being used to engage in the conversation.
US11190468B2 Method and system of synchronizing communications in a communication environment
Enabling synchronous communications between a message sender and recipient includes receiving a message from the sender via a user interface of a communication application or a service, the message being intended for the recipient; upon receiving the message, determining if the message includes a question and if so, determining if a response to the question is received from the recipient within a predetermined time; if the response is not received within the predetermined time, examining at least one of: a presence status indicator associated with the communication application, an activity indicator, a calendar, an out of office indicator, and a to do list to determine an availability of the sender to engage in a communication with the recipient via the communication application; and enabling display of a notification to the sender based on the determined presence of the sender, the notification including a reminder about the question.
US11190467B2 Micro-term modelling for real time chat discourse
Micro-term modeling for chat discourse includes determining, using computer hardware, a role of a user and a domain of reference of the user based on electronic chat messages for the user across a plurality of group chats, determining, using the computer hardware, topics from a selected group chat in which the user is a participant, determining, using the computer hardware and from the selected group chat, a segment of interest to the user based on the role, the domain of reference, and the topics found in the selected group chat, and providing, using the computer hardware, an indicator of the segment of interest.
US11190466B2 Configuring a chatbot with remote language processing
A chatbot designer user interface (UI) has a visual authoring canvas that shows visual elements indicative of a logical flow of processing in a chatbot application. The designer UI receives an authoring input identifying a language processing system that is to be used during runtime. The chatbot application is configured to use the identified language processing system.
US11190465B2 Displaying data sets responsive to natural language messages received by chatbots
An aspect of the present disclosure facilitates processing of natural language (NL) messages. In one embodiment, upon receiving a NL message from a user directed to a chatbot operational in a digital processing system, a data set pertinent for responding to the NL message is formed. An interactive widget that facilitates examination of the formed data set in different views is constructed and sent for display as a response to the NL message. Accordingly, when the interactive widget is displayed (on a display unit), the user is facilitated to examine the data set (pertinent to the NL message) in different views by interacting with the interactive widget.
US11190463B2 Distributed virtual switch for virtualized computer systems
A runtime state of a virtual port associated with a virtual machine (“VM”) is persisted as the VM is migrated from a source host to a destination host. In certain embodiments, a virtual switch forwards network frames between the VM and the physical network interface via the virtual port. During migration of the VM, the runtime state of the virtual port is transferred to the destination host and applied at the second host to a virtual port associated with a second virtual switch at the destination host. The runtime state of the virtual port at the source host is then cleared, and the second virtual switch at the destination host forwards network frames between the migrated VM and the physical network interface of the destination host using the virtual port at the second host.
US11190460B2 System-in-package network processors
This disclosure relates to integrated circuit devices that may include a network processor in a data processing die and an on-package memory in a base die. The data processing die may implement one or more network functionalities that may exchange data with low-latency memory, high capacity in the base die. The data processing die may be programmable fabric, which may be dynamically reconfigured during operation.
US11190458B2 Network functions support for serverless and granular computing environments
The disclosure provides an approach for enabling network functions to be executed in serverless computing environments. One embodiment employs a per-packet architecture, in which the trigger for launching a serverless computing instance is receipt of a packet. In such a case, each received packet is packaged into a request to invoke network function(s) required to process the packet, and a serverless computing environment in turn executes the requested network function(s) as serverless computing instance(s) that process the packet and return a response. Another embodiment employs a per-flow architecture in which the trigger for launching a serverless computing instance is receipt of a packet belonging to a new traffic flow. In such a case, a coordinator identifies (or receives notification of) a received packet that belongs to a new sub-flow and launches a serverless computing instance to process packets of the sub-flow that are redirected to the serverless computing instance.
US11190454B2 Receiver-directed computer network congestion control system
A receiver-directed congestion control system which provides receiver-directed apportioning by adding a bandwidth share indicator value to the acknowledgement messages sent by the receiver to the senders. In certain embodiments, bandwidth share indicator value comprises the number of senders seen by the receiver. In other embodiments, the bandwidth share indicator value may comprise a percentage bandwidth share allocated to the sender computer to allow for varying priorities between senders. In the acknowledgement message, each sender may also include the incast degree, which is programmed in the application, to the receiver. This strategy enables the receiver to send back the sender count to all the senders as soon the first sender's packets arrive, even before the rest of the senders' packets arrive. Thus, the sender count and the incast degree look-ahead enable the receiver-directed system to achieve accurate and faster convergence of sending rates, without any repeated adjustments.
US11190453B2 Dynamic quality of service for over-the-top content
A method, non-transitory computer readable medium and apparatus for changing a quality of service for data packets that are delivered over-the-top are disclosed. For example, the method includes a processor that identifies the data packets as video data packets that are delivered over-the-top in a communication network, changes the quality of service associated with the data packets from a best effort quality of service level to a higher priority quality of service level, monitors the data packets until no video data packet is identified in the data packets and changes the quality of service associated with the data packets back to the best effort quality of service level from the higher priority quality of service level.
US11190452B2 Virtual customer premises equipment, policy management server and service providing method
Virtual customer premises equipment includes: policy acquisition part configured to acquire, from predetermined policy management server that manages communication policies of users of the virtual customer premises equipment, communication policy that includes condition for providing service to be provided to a terminal that performs access via first customer premises equipment; and service providing part configured to provide a communication service to the terminal by referring to the communication policy. The policy acquisition part identifies a terminal that has moved to the first customer premises equipment from second customer premises equipment different from the first customer premises equipment, and acquires from the predetermined policy management server a communication policy including the condition for providing a service to be provided to the identified terminal; and the service providing part provides a communication service so as to satisfy the condition for providing a service defined in the communication policy of the identified terminal.
US11190449B2 Packet control method and network apparatus
Example packet control methods and apparatus are described. One example method includes detecting a packet flow causing a congestion status change. A congestion isolation message is generated and is used to change a priority of a packet in the packet flow. The congestion isolation message includes description information of the packet flow. The congestion isolation message is sent to at least one node.
US11190446B2 Anchoring IP devices in ICN networks
A network access point (NAP) of a second type of network is configured to receive a first type of packet from a device configured to operate in only a first type of network. The NAP is configured to determine an appropriate namespace for the first type of packet based on an address of an intended destination of the first type of packet. The NAP is configured to encapsulate the first type of packet into a second type of packet for use in the second type of network. The NAP is configured to route the second type of packet to a plurality of devices subscribed to the namespace in the second type of network.
US11190445B2 System and method to facilitate content delivery to multiple recipients in a network environment
A method is provided in one example embodiment and may include determining at a parent content node that a plurality of recipient content nodes are to receive a same content; generating, based on a determination that the same content is available at the parent content node, a multi-delivery header comprising a plurality of identifiers, wherein each identifier of the plurality of identifiers indicates each recipient content node that is to receive the same content; appending the multi-delivery header to one or more packets of an Internet Protocol (IP) flow associated with the same content; and transmitting packets for the IP flow to each of the plurality of the recipient content nodes.
US11190444B2 Configuration mechanisms in a switchless network
A processor initiates an execution of a network driver in a first node comprising a master node of a plurality of nodes in a switchless network. The network driver configures the plurality of nodes and service level in the switchless network by transmitting management datagrams from the master node, wherein the management datagrams include an attribute that allows the management datagrams to be propagated among the plurality of nodes of the switchless network without being terminated at host channel adapters of the plurality of nodes.
US11190442B2 Systems and methods for providing transparent ethernet private line services using static pseudo-wire configuration
The present disclosure is directed to enabling transparency for network traffic through an off-net site using the concept of static Pseudo-Wire (PW) of arriving data packets at a Network Interface Device (NID). In one aspect, a method of providing transparent Ethernet private line service includes receiving, at a network interface device of an enterprise network, a packet, the enterprise network being configured to receive the Ethernet private line service from a service provider; determining, by the network interface device, whether the packet is a raw data packet or a statically pseudo-wired packet; and performing, by the network interface device, a pseudo-wire encapsulation process if the packet is the raw data packet or a pseudo-wire de-capsulation process if the packet is the statically pseudo-wired packet, prior to delivering the packet to a corresponding destination.
US11190436B2 Thread network control
Provided is a machine-implemented method of operating a device, comprising entering the device into a membership relation with a first self-organizing subnet at a first rank in a hierarchy of subnets of the network; receiving at the device a message from a second device making known parameters of a second subnet at a second rank in the hierarchy of subnets of the network; and responsive to receipt of the message, sending a message from the first device making known parameters of the first subnet at the first rank to the second device to render the subnet at the second rank operable to merge with the subnet at the first rank.
US11190434B2 Systems and methods for protective proactive adaptive active bandwidth measurement in SD-WAN networks
The present disclosure is directed to determining bandwidth capacity in a WAN path and includes one or more processors and one or more computer-readable non-transitory storage media comprising instructions that, when executed by the one or more processors, cause one or more components of the system to perform operations including, selecting a SD-WAN path for which to determine bandwidth capacity, wherein the path is associated with a Quality of Service (QoS) shaper having a pre-determined shaper rate, incrementally increasing a test load applied on the selected path, wherein the test load is applied concurrently with existing user traffic, calculating a performance score for the path after each increase in the test load, determining a performance of the path based on the calculated performance score, and updating the shaper rate of the QoS shaper based on the performance of the path.
US11190431B2 Prioritized client-server communications based on server health
Techniques for prioritized client-server communications based on server health are disclosed. In one embodiment, a system includes multiple clients, and a server communicatively coupled to the multiple clients. The server may include a quality of service (QoS) aware server agent to divide the clients into client groups, assign a priority level to each of the client groups, monitor a health of the server, and determine heartbeat status messages to be sent to the client groups based on the assigned priority level and the health of the server. Each heartbeat message may indicate a state of the server. Further, the QoS aware server agent may send the heartbeat status messages to corresponding ones of the client groups and instruct clients corresponding to one or more of the client groups to send data based on the corresponding heartbeat status messages.
US11190428B2 Method and system for managing network nodes that implement a logical multi-node application
Some embodiments of the invention provide a novel method of managing network nodes that implement a logical multi-node application. The method can comprise obtaining log data describing events relating to a plurality of network nodes and obtaining network flow data describing flow of data between the plurality of network nodes. The method may identify roles performed by the network nodes. The method may detect relationships between the network nodes. The identified roles and the detected relationships are analyzed to identify which of the network nodes implement a logical multi-node application. Implementation data based on the identification of which of the network nodes implement the logical multi-node application can be processed to automatically control management of at least one of the network nodes.
US11190427B2 Flow tagging for service policy implementation
A flow tagging technique includes tagging a data flow at a plurality of points in the data flow. For example, the data flow can be tagged at a socket and at a proxy manager API. By tagging the data flow at multiple points, it becomes possible to map network service usage activities to the appropriate initiating applications.
US11190424B2 Container-based connectivity check in software-defined networking (SDN) environments
Example methods and systems for container-based connectivity check in a software-defined networking (SDN) environment are disclosed. One example method may comprise detecting, a request for a connectivity check between a first container-based resource and a second container-based resource; identifying a first logical network element and a second logical network element; and injecting a connectivity check packet at the first logical network element for forwarding towards the second logical network element. The example method also may comprise: obtaining report information associated with one or more intermediate logical network elements located along a path that is traversed by the connectivity check packet; and determining a connectivity status associated with the first container-based resource and the second container-based resource based on the report information.
US11190423B2 Connection point related performance measurements in a network function virtualization environment
An apparatus of a Virtualized Network Function Manager (VNFM) comprises one or more processors to receive one or more performance measurements related to a virtual network interface that are collected for a virtual compute instance from a Virtualized Infrastructure Manager (VIM) in a collection interval, to map a measured object of the one or more performance measurements from the virtual compute instance to a Virtual Network Function (VNF) and/or VNF component (VNFC) instance, and to map the virtual network interface to a connection point (CP) associated with the VNF or VNFC instance, to generate one or more performance measurements related the CP for the VNF or VNFC instance. The one or more performance measurements related the CP for the VNF or VNFC instance are to be reported to an Element Manager (EM) or to a Network Function Virtualization Orchestrator (NFVO), or a combination thereof.
US11190422B2 Visualizing network activity across network address spaces
Techniques and mechanisms are disclosed for generating visualizations which graphically depict network activity occurring between pairs of networked computing devices. The visualizations are based on data indicating the network activity, where the network activity can involve devices having any network addresses within an entire network address space (e.g., any address within the Internet Protocol version v4 (IPv4) or IPv6 network address space), or within some subset of an entire network address space. The ability to visualize high-level information related to network activity occurring across an entire network address space enables network analysts and other users to readily analyze characteristics of computer networks which otherwise might not be evident or difficult to obtain using other types of visualizations.
US11190421B1 Alerts reduction based on severity level using metric template matching and normalization rule
Embodiments of the present disclosure relate to a method for processing alerts. According to an embodiment of the present disclosure, a set of alerts matching a metric template are identified from received alerts during a period of time. A plurality of variable values are acquired from the set of alerts based on the metric template. The plurality of variable values are normalized according to a normalization rule of the metric template. A severity level for the set of alerts is determined based on the normalized variable values. In response to the severity level exceeding a certain threshold, an abstract alert including information related to the set of alerts is generated.
US11190420B2 Generating events from host based logging for consumption by a network logging host
In an example, a network traffic analysis system including a network based logging host may include a transport module, an event parser, and one or more consumer modules. The transport module may collect one or more messages including one or more event logs from one or more remote hosts, respectively. The event parser may generate normalized events consumable by the network logging host from the collected messages. The consumer modules may host process metadata of the event out to file for analysis. Other embodiments may be disclosed and/or claimed.
US11190419B1 Tunable-granularity multi-level histograms for efficient computer system metric analysis
Memory is identified for a first set of histogram buckets for a metric with bucket value ranges distributed according to a first function, and a second set of histogram buckets with bucket value ranges distributed according to a second function. The second set of buckets overlaps with a metric value range targeted for enhanced granularity analysis. After the histogram is updated in response to obtaining metric values, a representation of at least some of the buckets is sent to a destination.
US11190409B2 System and method for resource-aware and time-critical IoT frameworks
Methods and apparatus for resource optimization in Internet-of-Things (IoT) networks are presented. For instance, the disclosure presents an example method executed by a network node (106) in an IoT system (100). In some embodiments, the example method includes predicting (202) a likelihood that a future event will be detected by one or more IoT devices (102) in the IoT system (100) under different potential resource allocation and IoT device settings. The predicting (202) is conducted subject to resource availability constraints in some examples. In addition, the example method includes, based on the predicting (202), adapting (204) at least one of resource allocation and IoT device settings in the IoT system (100) for the future time. This adapting (204) is conducted such that the likelihood that the future event will be detected is maximized under the resource availability constraints according to a target optimization function.
US11190404B2 Method for establishing communication routes between nodes of a computer cluster, corresponding computer program and computer cluster
A method includes obtaining the topology of a computer cluster, with first global numbers respectively assigned to the nodes thereof, and implementing, for each pair of nodes, an algorithm adapted for providing a communication route between the nodes, based on respective numbers of the nodes and the topology of the computer cluster. The method further includes selecting nodes and numbering the nodes in order to assign second global numbers thereto, which numbers are different from the first global numbers for at least one part of the selected nodes, the second global numbers of the selected nodes being successively separated by values each of which is different from the periodicity of each of at least one part of the communication links. Moreover, in order to implement the algorithm, the nodes are identified by the second global numbers thereof.
US11190402B2 Model-driven service rollback mechanism for data integrity
Systems and methods for rollback of model-based provisioned network device configuration including a memory capable of storing a model-based provisioned data template that includes a data template sequence. Data associated with a request to transmit a target object request message are received and transmitted following a retrieval message that determines pre-configuration data of the target device. The pre-configuration data is stored and the target object request message is sent specifying CRUD semantics. A notification is received indicating an outcome of the execution and, if the execution outcome is unsuccessful, a rollback stack is retrieved that specifies CRUD semantics and the pre-configuration parameters are retrieved to restore the target device to a pre-request state. If the execution outcome is successful, a second target object request message is retrieved from a list of target devices.
US11190398B2 Self-configuration of wireless connections
In general, certain embodiments of the present disclosure provide methods and/or systems for self-configuration of an electronic device to a wireless network is provided, which includes a wireless communication interface, one or more processors, memory, and one or more programs stored in the memory which comprise instructions for the wireless communication interface to send a plurality of multicast packets to a plurality of specific destination addresses. The plurality of multicast packets includes encoded messages in the plurality of specific destination addresses that allow a wireless connection device, with wireless capable hardware, to automatically configure itself to be able to access a wireless network. According to various embodiments, the wireless network may be a secure wireless network.
US11190397B2 Identifying trusted configuration information to perform service discovery
In one embodiment, a delegation engine automatically provisions a device connected to a network to securely identify and interact with external services. As a device boots in a deployment environment, the delegation engine generates a search domain name based on a manufacturer-supplied domain name and a domain name associated with the deployment environment. The delegation engine then searches a Domain Name System (DNS) to retrieve a delegation record stored at the search domain name. After verifying a manufacturer signature associated with the delegation record, the delegation engine configures the device based on service discovery information included in the delegation record. Because the delegation engine automates the provisioning process, the time required to provision devices is acceptable irrespective of the number of the devices. Further, because the delegation engine verifies the delegation record, the delegation engine does not expose the device to security risks during the provisioning process.
US11190396B1 Structure for low-power-low-rate data transmission in a wireless network
Embodiments described herein provides a system for detecting data received in a low power low rate (LPLR) data frame format. A mixed mode LPLR frame may be falsely detected by an 802.11n device as an 802.11n packet. When the false detection occurs, the PHY-CAA indication may be erroneously set, which leads to a communication error. To prevent the false detection by an 802.11n device, embodiments described herein describes adding a redundant “dummy” 4 μs orthogonal frequency division multiplexing (OFDM) symbol with binary phase-shift keying (BPSK) modulation before the LPLR preamble in the LPLR frame, to differentiate from data symbols in an 802.11n packet.
US11190388B2 Music/video messaging
Device(s) and computer program products for creating custom music/video messages to facilitate and/or improve social interaction. The created music/video messages include at least portions of: music, video, pictures, slideshows, and/or text. The music/video messages enable feelings or emotions to be communicated by the user of the device to one or more recipient device(s).
US11190386B2 Smart adjacent-channel indicating/scanning for FM modulation
As may be used in connection with frequency-modulated (FM) radio systems and receivers processing FM broadcast transmissions, exemplary aspects are directed to a method may be performed by the receiver circuitry to receive FM broadcast signaling within a particular bandwidth for which a plurality of target channels are to have a specified channel spacing. The method may include: assessing detected energy for a first adjacent channel having the specified channel spacing and having a frequency immediately adjacent to a targeted one of the plurality of target channels; and discerning whether the detected energy is associated with ultra-sonic energy in detected modulation energy (e.g., ultra-sonic noise in an MPX signal), and/or is associated with modulation energy (e.g., due to over-modulation) from a second adjacent channel also having such specified channel spacing.
US11190385B2 Signal phase rotation
This disclosure provides methods, devices, and systems for a wireless communication device to perform signal phase rotation. In some implementations, the wireless communication device may determine a number of phase rotation parameters to be applied to a number of tones of a transmission signal. In some aspects, each of the phase rotation parameters indicates a phase rotation to be applied to each of the tones according to a carrier index range for each of the tones and a bandwidth mode for the transmission signal. In some implementations, the wireless communication device may apply the phase rotation parameters to respective ones of the tones according to the specified phase rotations and the carrier index ranges, and transmit the transmission signal from the wireless communication device according to the applied phase rotation parameters.
US11190380B2 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
The present invention relates to a method of transmitting and a method of receiving signals, and corresponding apparatus. One aspect of the present invention relates to a method of obtaining a field for indicating a time de-interleaving depth from a layer 1 (L1) header of preamble symbols.
US11190376B2 Methods and apparatuses for signaling and determining reference signal offsets
Methods and apparatuses disclosed herein enable the use of Demodulation Reference Signal, DMRS, sequences that are numbered relative to an overall system bandwidth, while simultaneously enabling wireless communication devices to determine the DRMS sequence elements mapped to their scheduled bandwidths within the system bandwidth. Advantageously, the wireless communication devices need not know the system bandwidth, or even be aware of where their scheduled bandwidths reside within the system bandwidth.
US11190375B2 Data packet processing method, host, and system
A data packet processing method includes cloud management platform sends virtual private cloud (VPC) network information of a computing instance running on a host to a network processing device, a virtual switch receives a data packet from the computing instance using a virtual port of the computing instance, and the data packet carries a network address of the computing instance and a virtual local area network (VLAN) identifier of the virtual port sending the data packet, the virtual switch sends the data packet according to the VLAN identifier, and routes the data packet to the network processing device, the network processing device determines the VPC network information of the computing instance according to the network address of the computing instance, and performs network function processing on the data packet. Therefore, a VPC network feature of a computing instance can be adjusted according to a requirement, thereby improving management efficiency.
US11190372B2 Differential bus network
A differential bus network comprising: a bus comprising two bus wires; at least three nodes each comprising: a transceiver comprising: bus terminals for coupling, respectively, to the two wires of the bus; a receiver arrangement configured to receive differential signalling from the bus terminals and determine a digital receive signal based on said differential signalling; and a transmitter arrangement configured to apply differential signalling to the bus terminals based on a digital transmit signal, the transmitter arrangement comprising a first transmitter configured to increase the potential difference between the wires of the bus to a first differential voltage state and maintain the first differential state and a suppression element configured to decrease the potential difference between the two wires of the bus towards a second differential voltage state, the transmitter arrangement further comprising a resistor coupled between the bus terminals configured to at least maintain the second differential voltage state.
US11190371B2 Fieldbus component with a setting element for configuring data transfer to a cloud
A fieldbus component of the present disclosure is configured to transfer data either in a first data transfer mode to a public cloud or in a second data transfer mode to a private cloud. The fieldbus component includes a setting element, which is selectively settable to a first setting or to a second setting. The fieldbus component is configured to transfer data in the first data transfer mode to the public cloud when the setting element is set to the first setting and to transfer data in the second data transfer mode to the private cloud when the setting element is set to the second setting.
US11190370B1 Identifying manufacturer-specific controller-area network data
Methods and systems for identifying manufacturer-specific controller-area (CAN) data for a vehicle type are provided. Manufacturer-specific CAN data may be identified by processing defined CAN data having a correlation relationship with the target data and undefined manufacturer-specific CAN data for determining if there is a correlation relationship therebetween. Also provided are methods and systems for identifying and automatically collecting manufacturer-specific CAN data for a vehicle type.
US11190356B2 Secure policy ingestion into trusted execution environments
Before a composition is ingested into a runtime environment at a runtime device, the composition may be verified at an authoring trusted execution environment (TEE) operating on an authoring device. A user can operate an untrusted computing platform (e.g., a personal computer, laptop computer, tablet computer, etc.) to write code, generate data, or create some other composition. Since this composition is created on an untrusted device, the authoring TEE may output the composition on a trusted peripheral device to a user for review and approval. Responsive to receiving approval at the trusted peripheral device, the authoring TEE can sign the composition with a local key and forward the composition for execution by the runtime device. The signature can be utilized by the runtime device to prove that it was reviewed and verified by an authorized user operating the authoring device.
US11190355B2 Secure biometric authentication using electronic identity
Embodiments of the invention are directed to a method. The method may comprise receiving a second biometric template of a user, and providing an authentication request message comprising an electronic identity and a derivative of the second biometric template of the user to a resource provider computer to conduct an interaction. The authentication request may be forwarded to a processing server computer by the resource provider computer, and the user device may receive an authentication response message comprising an authentication result from the processing server computer. The authentication result may be determined by the processing server computer based on a comparison of the derivative of the second biometric template to a derivative of a first biometric template accessible to the processing server computer. The authentication result may also be based on the validity of the electronic identity.
US11190354B2 Randomness verification system and method of verifying randomness
A terminal exchanges a common key generated using a seed, the randomness of which was recognized in advance, with a verification server. The terminal generates verification data using a plurality of measured values from a noise source. The terminal encrypts the verification data with the common key and transmits the verification data to the verification server. The verification server verifies the randomness of verification data obtained by decrypting the encrypted verification data with the common key. When it is determined that the verification data has randomness, the verification server transmits a verification result indicating that the randomness of the verification data is recognized to the terminal. The terminal acquires a plurality of measured values and generates a new seed in accordance with the verification result from the server and preserves the new seed in a secure area.
US11190353B2 Computer implemented methods and systems for managing a cryptographic service
The present invention relates to a computer implemented method, software product and computer system for managing a cryptographic service. The computer implemented method comprises: establishing a pool of encryption materials; periodically updating the pool of encryption materials; and responsive to an encryption request from an encrypting application: selecting encryption materials from the pool; encrypting payload data included in the encryption request using the selected encryption materials; and returning encrypted payload data to the encrypting application.
US11190349B1 Systems and methods for providing randomness-as-a-service
Systems, apparatuses, methods, and computer program products are disclosed for facilitating on-demand delivery of unknown qubits. An example method includes determining a private set of quantum bases. The example method further includes generating a set of qubits based on the private set of quantum bases. The example method further includes transmitting the set of qubits over a quantum line to a remote device without transmitting the private set of quantum bases.
US11190347B2 Method and device for allocating QKD network resources and computer-readable storage medium thereof
Disclosed is a method for allocating QKD network resources, which includes the following steps: obtaining a network structure of a QKD network, and constructing a key topology according to distributions condition of quantum key resources in the QKD network; in response to arrival of a service requiring encryption, judging whether the encrypted service is delay sensitive; when the service is delay sensitive, distributing quantum key resources to the service according to the key topology of the QKD network; and when the service is not delay sensitive, distributing quantum key resources to the service according to the network structure of the QKD network. Moreover, the present disclosure also provides a device for allocating QKD network resources and a non-transitory computer-readable storage medium.
US11190346B2 Secure device ownership transfer using an ephemeral device transfer token generated using elliptic curve cryptography
One or more device(s) is identified for which ownership of the device(s) is to be transferred from an identified transferor system to an identified transferee system. An ephemeral device transfer token is generated for the transferor using an elliptic-curve Diffie-Hellman cryptographic function, wherein the ephemeral device transfer token is only valid over a limited period of time to authorize a transfer of ownership of the device from the transferor to the transferee. The transferor then delivers the ephemeral device transfer token to the transferee. A device ownership record may be modified to transfer ownership of the device from the transferor to the transferee in response to receiving the ephemeral device transfer token from the transferee during the limited time period.
US11190342B2 Transaction processing in a service blockchain
Implementations of this specification provide a method and an apparatus for transaction processing in a service blockchain. An example method performed by a node device in the service blockchain includes receiving a target transaction, from a service system interlinked with the service blockchain; in response to receiving the target transaction, (i) triggering execution of a target service and (ii) determining a target asset blockchain corresponding to the target service from a plurality of asset blockchains interlinked with the service blockchain through a cross-chain relay; invoking, through the cross-chain relay, an asset exchange service deployed on the target asset blockchain, to complete asset exchange processing between transaction accounts related to the target transaction; obtaining, through the cross-chain relay, an asset exchange credential between the transaction accounts related to the target transaction; and after obtaining the asset exchange credential, performing further transaction processing on the target service.
US11190341B2 System architecture for executing a distributed key generation protocol
A software architecture encoded on a non-transitory computer readable medium, where the software architecture includes a creation protocol, wherein the creation protocol is configured to create a plurality of dealing messages. The software architecture additionally includes a reading protocol, wherein the reading protocol is configured to read the dealing message to a receiver node of the selected group, wherein the receiver node is different from a dealer node whose information is contained in the corresponding dealing message. Moreover, the software architecture includes a verification protocol, wherein the verification protocol is configured to verify veracity of the corresponding dealing message, wherein the verification protocol is configured to be run by the receiver node. Further, the software architecture includes a complaint protocol, wherein the complaint protocol is configured to generate a complaint message, wherein the complaint message is signed by the receiver node.
US11190340B2 Efficient unified hardware implementation of multiple ciphers
A method for creating unified, efficient hardware implementations for multiple symmetric ciphers is described. For a chosen set of two or more distinct types of symmetric ciphers, a unified substitution box (SBOX) is designed that can implement most of the operations in a single hardware block, with small hardware blocks added before and after the unified SBOX for unique operations of each distinct symmetric cipher. Optimization techniques can also be applied to the linear operations and SBOX operations for the chosen set, rather than individually for each symmetric cipher, of the two or more distinct types of symmetric ciphers.
US11190337B2 Execution unit for calculations with masked data
According to one embodiment, an execution unit is described, which includes a mask generation circuit configured to generate a mask by multiplying a mask generation vector by blocks of codewords of a plurality of cyclic codes, a masking circuit configured to mask data to be processed by means of the mask, and an arithmetic logic unit configured to process the masked data by means of additions and rotations.
US11190336B2 Privacy-preserving benchmarking with interval statistics reducing leakage
Disclosed herein are computer-implemented method, system, and computer-program product (computer-readable storage medium) embodiments for benchmarking with statistics in a way that reduces leakage, preserving privacy of participants and secrecy of participant data. An embodiment includes receiving a plurality of encrypted values and computing a composite statistic corresponding to at least a subset of the plurality of encrypted values. An embodiment may further include outputting the at least one composite statistic. The composite statistic may be calculated to be distinct from any encrypted value of the plurality of encrypted values, thereby preserving privacy. Further embodiments may also include generating a comparison between the composite statistic and a given encrypted value of the plurality of encrypted values, as well as outputting a result of the comparison. In some embodiments, encrypted values may be encrypted using at least one encryption key, for example, according to a homomorphic or semi-homomorphic encryption scheme.
US11190332B2 Operation method of communication node for time synchronization in vehicle network
An operation method of a first communication node among a plurality of communication nodes included in an Ethernet-based vehicle network may include steps of measuring a first link delay for performing time synchronization with a second communication node included in the plurality of communication nodes; calculating a difference between the first link delay and an average value of a plurality of link delays measured before the measurement of the first link delay; comparing the calculated difference with a first threshold value for controlling a link delay measurement cycle for the second communication node; and controlling the link delay measurement cycle for the second communication node based on the comparison result.
US11190330B2 Adaptive half duplex / full duplex operation for battery and antenna constrained devices
A user equipment (UE) and network entity implement improved communication methods which enable a UE to operate using differing modes of operation without detaching from a network. The UE may send first information indicating its capabilities to the network entity and may receive a first indication based on the first information. The first indication may indicate that the UE operate according to a first mode of operation. The UE may receive a second indication based on an occurrence of a first condition detectable at the network entity. The second indication may indicate that the UE operate according to a second mode of operation different from the first mode of operation. The first condition may be an initialization of a real time data packet session for the UE or may be a first message sent by the UE in response to one or more radio conditions exceeding a threshold.
US11190329B2 Uplink low-PAPR DMRS sequence design
An apparatus of user equipment (UE) includes processing circuitry coupled to a memory, where to configure the UE for DMRS processing in an NR network, the processing circuitry is to generate a plurality of binary sequences of length L, the binary sequences being arranged according to a signal quality metric. A set of CGSs is generated using the binary sequences, based on minimizing cross-correlation between subsets of binary sequences of different lengths selected from the plurality of binary sequences. A CGS is selected from the set of CGSs as a DMRS, based on uplink PRB resource allocation. The DMRS is encoded for transmission, where the encoding includes BPSK modulation and discrete Fourier transformation (DFT) spreading of the DMRS.
US11190320B2 Method for generating SRS sequence and terminal therefor
A method for generating an SRS sequence by a terminal may comprise the steps of: calculating a first root value for generation of an SRS sequence of a first block among concatenated blocks configured for transmission of an SRS, using a terminal-specific SRS identifier; calculating a second root value for generation of an SRS sequence of a second block on the basis of the calculated first root value and a root offset value; and generating an SRS sequence for transmission of an SRS on the concatenated blocks by applying the first root value to the first block and applying the second root value to the second block.
US11190315B2 Node for a radio communication network and operating method
A node for a radio communication network is described, said node being arranged for a communication mechanism comprising the reception of a first transmission and the subsequent sending of a second transmission in response to said first transmission, wherein said node is furthermore arranged to perform a selecting process for selecting a relative timing for sending said second transmission from among a plurality of predetermined relative timing choices.
US11190312B2 Parameter configuration method and apparatus
Embodiments of this application disclose a parameter configuration method and apparatus, relate to the field of communications technologies, and specifically provide a method and an apparatus for setting a resource unit bundling size, to help improve accuracy of a channel estimation result. The method may include: generating parameter configuration signaling, and sending the parameter configuration signaling. The parameter configuration signaling is used to indicate the resource unit bundling size. The resource unit bundling size may be applied to at least two inconsecutive time-frequency resources in frequency domain, and each time-frequency resource includes at least one consecutive resource unit in frequency domain; or may be applied to at least two inconsecutive time-frequency resources in time domain, and each time-frequency resource includes at least one consecutive resource unit in time domain.
US11190310B2 Method and apparatus for CSI feedback in CoMP (coordinated multi-point) systems
A method and apparatus for coordinating a multi-point wireless transmission between a plurality of geographically separated transmission points and at least one user equipment.
US11190304B2 Method and apparatus for transmitting hybrid automatic repeat request using semi-persistent scheduling
Disclosed are a method and an apparatus for transmitting a hybrid automatic repeat request (HARQ) using a semi-persistent scheduling (SPS). The method for transmitting the hybrid automatic repeat request using the semi-persistent scheduling, which is applied to a network-side network element of an access network, includes: determining an identifier offset of an HARQ process using an SPS radio resource, and determining an identifier of the HARQ process according to the identifier offset of the HARQ process; and performing a transmission of the HARQ process corresponding to the identifier of the HARQ process with a user equipment.
US11190300B2 Method for determining a transport block size and wireless device
A disclosure of this specification provides a method performed by a wireless device for determining a transport block size (TBS). The method may include the steps of determining a number of resource elements (REs) within a slot, calculating a value related to the TBS, based on the determined number of REs and a code rate, comparing the calculated value with a pre-determined threshold value, determining the TBS according to the comparison, wherein, if the calculated value is smaller than or equal to the pre-determined threshold value, the TBS may be determined using a predetermined table.
US11190297B2 Downlink control information fields for a licensed cell and an unlicensed cell in a wireless network
A wireless device receives a first downlink control information. The first downlink control information comprises a first field having a first number of bits indicating: a first modulation and coding scheme (MCS); and a first redundancy version (RV). A first transport block is transmitted via a licensed cell based on the first MCS and the first RV. A second downlink control information is received. The second downlink control information comprises: an MCS field having the first number of bits indicating a second MCS; an RV field indicating a second RV; and a transmit power control field for determining a transmit power. A second transport block, based on the second MCS, the second RV, and the transmit power, is transmitted via a physical uplink shared channel of an unlicensed cell.
US11190296B2 Method and device for adjusting neural-network-based wireless modem
A method for adjusting a wireless modem includes: a channel parameter of a wireless modem at a present moment is acquired; a target clock frequency and a target working voltage of the wireless modem are generated, according to the channel parameter, with a neural network that is pre-trained; and a working voltage and a clock frequency of the wireless modem are adjusted to the target working voltage and the target clock frequency, respectively.
US11190295B2 Remedial action based on inter-packet receive power
In order to maintain performance during wireless communication, a transmitting electronic device may selectively perform a remedial action based on a received power in a channel during time intervals between received packets (e.g., due to interference) and/or a metric associated with the measured received power. In particular, when the received power is less than a threshold value (e.g., when the interference is insufficient to stop transmission by the transmitting electronic device), the transmitting electronic device performs the remedial action based on the measured received power and/or the metric. For example, the remedial action may include: selecting a modulation technique; selecting the receiving electronic device; selecting an antenna pattern for the one or more antennas; reducing a transmit power; selecting a data rate; determining a cumulative distribution function; and/or estimating a channel capacity. Next, the transmitting electronic device transmits a packet in the channel to a receiving electronic device.
US11190292B2 Wavelength converter and optical transmission device that includes wavelength converter
An optical transmission device includes a first wavelength multiplexer, a second wavelength multiplexer, a wavelength converter and a third wavelength multiplexer. The first wavelength multiplexer multiplexes optical signals in a first wavelength band to generate first wavelength multiplexed light. The second wavelength multiplexer multiplexes optical signals in the first wavelength band to generate second wavelength multiplexed light in a first polarization. The wavelength converter converts a wavelength of the second wavelength multiplexed light from the first wavelength band into a second wavelength band by a cross phase modulation among the second wavelength multiplexed light, first pump light in a second polarization and second pump light in the second polarization. The second polarization is orthogonal to the first polarization. The third wavelength multiplexer multiplexes the second wavelength multiplexed light whose wavelength has been converted by the wavelength converter and the first wavelength multiplexed light.
US11190290B2 Terminal apparatus and sequence assigning method
Provided is a sequence allocation method capable of reducing inter-cell interference of a reference signal when a ZC sequence is used as the reference signal in a mobile communication system. In the sequence allocation method, R×M sequences specified by a ZC sequence number r (r=1 to R) and a cyclic shift sequence number m (m=1 to M) are divided into a plurality of sequence groups X (X=1 to R) in accordance with the transmission band width of the reference signal, so that the ZC sequence is allocated to each cell in each sequence group unit. When it is assumed that R=9 and M=6, the number of sequences is 54. Each of the sequence groups is formed by two sequences. Accordingly, the number of sequence groups is 27. The 27 types of sequence groups are allocated to each cell.
US11190283B2 Polar system and delay difference calibration method
The application discloses a polar system and a delay difference calibration method. The polar system includes: a calibration signal generation unit, a CORDIC, a delay difference generation unit, a transmission unit, a receiving unit, a Fourier transformer and a calibration unit. The receiving unit is configured to receive a transmission signal from the transmission unit. The Fourier transformer is configured to compute a power of a receiving signal at a specific frequency. The calibration unit is configured to control the delay difference generation unit and determine a delay difference calibration value in a calibration mode.
US11190281B2 Method and apparatus for mitigating radio interference
Aspects of the subject disclosure may include, for example, determining that interference associated with a signal exceeds a threshold, determining at least one operating parameter associated with a user equipment to modify responsive to the determining that the interference exceeds the threshold, wherein the at least one operating parameter includes a frequency band that the user equipment uses to communicate or a clock signal frequency range of a clock of the user equipment, and transmitting a notification to the user equipment, wherein the notification includes an indication of the at least one operating parameter. Other embodiments are disclosed.
US11190278B2 Optical reception apparatus and control method
A receiving unit (2020) generates a received frame from a modulated optical signal. The modulated optical signal is generated such that a transmission symbol is generated by mapping an encoded bit string obtained by encoding a transmission bit string to an m-dimensional symbol space, a transmission frame is generated by mapping the transmission symbol to an n-dimensional frame space (n
US11190272B1 Method and apparatus for evaluating nonlinear impairment of an optical fiber link
There is provided a method and apparatus for evaluating nonlinear impairment of an optical fiber link. The method includes partitioning a natural span of the optical fiber link into multiple sub-spans, each of the multiple sub-spans determined based on chromatic dispersion (CD) equivalence; The method further includes for each of the multiple sub-spans, acquiring sub-span function parameters and a sub-span input power indicative of input power at a particular sub-span, the sub-span function parameters including noise variance and correlations between the particular sub-span and others of the multiple sub-spans. The method additionally includes determining the nonlinear impairment of the optical fiber link based on the sub-span input power and the sub-span function parameters acquired for each of the multiple sub-spans.
US11190271B1 Method of monitoring events in an area divided into zones
In a monitoring system using optical fibers, an area to be monitored is divided into zones where each zone has fibers which create a change in a signal transmitted by the fiber in response to an event to be monitored. The fibers all communicate to a common monitoring system having a channel for each zone. The fiber of a second one of the zones communicates to the respective channel of the common monitoring system through a fiber passing through a first one of the zones so that the fiber and thus the second channel is also responsive to an event in the first zone zones. The invention provides a method of distinguishing between the separate zones where events have occurred by a Boolean analysis of the signals in the different channels.
US11190269B2 Method and system for assigning spectral resources
A method for assigning spectral resources comprises assigning spectral resources for a plurality of communication channels. The spectral resources for the plurality of communication channels comprise excess resources that are at least tentatively kept unoccupied. The excess resources of a plurality of communication channels are assigned to be spectrally contiguous.
US11190266B1 RF signal repeater device management for 5G wireless networks
A method for performing monitoring, commissioning, upgrading, analyzing, load balancing, remediating, and optimizing the operation, control, and maintenance of a plurality of remotely located RF signal repeater devices in a wireless network arranged to operate as an Internet of Things (IoT) network. Electronic RF signal repeater devices are employed as elements in the wireless network and communicate wireless radio frequency (RF) signals for a plurality of users. An RF signal repeater device may be arranged to operate as a donor unit device that provides RF signal communication between one or more remotely located wireless base stations, or other donor unit devices on the wireless network. Also, an RF signal repeater device may be arranged to operate as a service unit device that provides wireless RF signal communication between one or more user equipment devices (UEs) and a donor unit device or a wireless base station.
US11190265B2 Specular component estimation in a wireless communication network
An apparatus includes an antenna array having a plurality of antennas. The antenna array is configured to receive a multi-carrier signal from a multi-antenna transmitter over a radio channel. The multi-carrier signal has at least two subcarriers, and each subcarrier is mapped at the transmitter to a respective subcarrier-beamformer. The respective subcarrier-beamformers has non-identical null and beam cone directions. A processor is configured to identify a communication direction for a radio signal communication between the apparatus and the transmitter. The communication direction is identified based on one or more specular path components of the radio channel which are related to a null or to a maximum of a subcarrier-beamformer.
US11190264B2 Scheduling reception of wireless signals using receive beamforming
A receiving system (1) is configured to determine reception antenna weights for a plurality of antennas and/or antenna elements for each transmitting system of a plurality of transmitting systems (11, 22-65) for receiving wireless signals using receive beamforming. The receiving system is further configured to determine a schedule for receiving the wireless signals. The schedule indicates a resource allocation for each of the transmitting systems. The resource allocation specifies an allocated time period. The receiving system is also configured to inform each transmitting system of the resource allocation and, for each resource allocation in the schedule, receive a plurality of instances of a wireless signal via the antennas and/or antenna elements and combine the instances by using an antenna configuration which is based on at least reception antenna weights determined in relation to a transmitting system associated with the resource allocation.
US11190262B2 Wireless communication method and terminal for determining a link quality for improving coverage and spectral efficiency
Embodiments of the present disclosure provide a wireless communication method and terminal, and provide message processing methods in the process of non-link reconfiguration, which include: the terminal sends a first message to a network device when determining that link quality is poor enough to satisfy a first condition, the first message being used to indicate a first signal whose signal quality is good enough to satisfy a second condition; detects a second message in a first search space of a control resources set according to a first quasi-co-location QCL hypothesis determined based on the first signal, the second message being a response message sent by the network device for the first message; and stops detecting message from a network side in a second search space of the control resource set from a first moment; wherein the first moment is a moment when the first message is sent or thereafter.
US11190261B2 Connection re-configuration upon beam recovery response
Systems, methods, and apparatus for connection re-configuration upon beam recovery are disclosed. An example method performed by a network node includes determining that a successful beam recovery has occurred with a wireless device. The network node determines one or more transmission parameters associated with the successful beam recovery, where the one or more transmission parameters are for re-configuring the wireless device. The network node transmits the one or more transmission parameters to the wireless device.
US11190254B2 Method and apparatus for reporting channel state information in a wireless communication system
A method for reporting channel state information (CSI) in a wireless communication system is disclosed. The method for reporting, by a user equipment (UE), CSI includes determining a physical uplink control channel (PUCCH) format type for reporting the CSI according to a CSI feedback type, wherein the PUCCH format type is a short PUCCH or a long PUCCH; and reporting the CSI to a base station through the determined PUCCH format type.
US11190251B2 Communication apparatus, communication method, and program
A communication apparatus includes a control unit configured to measure a terminal-specific reference signal transmitted in a radio resource allocated for each terminal apparatus in units of the radio resource and transmits information indicating a measurement result.
US11190250B2 System and method for enhancing an aerospace coverage capability of a mobile communication base station
A system and method for enhancing an aerospace coverage capability of a mobile communication base station includes a baseband processing unit, a remote radio unit and a full-airspace array antenna. The full-airspace array antenna includes a conversion channel module, an interface processing module, a digital beamforming module, a transceiver channel module and an antenna array. The baseband processing unit is connected to the remote radio unit, the remote radio unit is connected to the conversion channel module through a radio-frequency cable, and the conversion channel module is connected to the antenna array successively through the interface processing module, the digital beamforming module, and the transceiver channel module.
US11190249B2 MU-MIMO precoder design and use for a wideband mMIMO system with constrained RF chains in a multi-path environment
For a system with multiple Antenna Elements, AEs, to be used to transmit multiple symbols to multiple user equipments, UEs, and with multiple time sample positions, where the symbols occupy a time-frequency resource space and wherein at least some of the AEs are powered by constrained RF chains having functionalities that are simplified relative to full RF chains, precoder coefficients are generated for the multiple AEs taking into consideration multipath components of a signal to be transmitted from the multiple AEs to the multiple UEs. The generating forms precoder coefficients for individual ones of the constrained RF chains at corresponding certain time sample positions of the symbols. The signal is transmitted from the multiple AEs to the multiple UEs using FDMA at least by applying the generated precoder coefficients to the multiple AEs over the multiple time sample positions and time-frequency resource space of the symbols.
US11190248B2 Channel state information reporting techniques in sidelink wireless communications
Methods, systems, and devices for wireless communications are described in which a receiving device, such as a receiving user equipment (UE) or vehicle, may provide channel state information (CSI) in which two or more parameters associated with the CSI are provided in a single joint indication. A transmitting device may transmit one or more reference signals and the receiving device may perform one or more measurements on the received reference signal(s). Based on the one or more measurements, the receiving device may determine one or more CSI parameters, such as a rank indicator, channel quality indicator, precoding matrix indicator, or combinations thereof, that may be provided to the transmitting device in a joint indication.
US11190244B1 Low complexity algorithms for precoding matrix calculation
Low-complexity methods of calculating a precoding matrix for use in MIMO transmission. In some embodiments, a method of calculating a precoding matrix includes (i) calculating a first portion of a first singular value decomposition, based on a first portion of a channel matrix; (ii) calculating a second portion of a second singular value decomposition, based on a second portion of the channel matrix; (iii) calculating an intermediate matrix, based on: the first portion of the first singular value decomposition and the second portion of the second singular value decomposition; and (iv) calculating a matrix of approximate right singular vectors. The calculating of the matrix of approximate right singular vectors may include calculating a product of factors, the factors including a first factor based on the conjugate transpose of the intermediate matrix, a second factor based on a unitary matrix, and a third factor based on a diagonal matrix.
US11190243B2 Control device, network node and methods for allocating resources
A control device for a wireless communication system is configured to obtain a first channel estimation for a first client device and a second channel estimation for a second client device, to allocate a common resource block (RB) for concurrent wireless transmission between a first network node and the first client device using a first radio access technology (RAT) and between a second network node and the second client device using a second RAT based on the first channel estimation and the second channel estimation. The control device is further configured to allocate a first precoder for the common RB for the first client device and a second precoder for the common RB for the second client device. The first precoder and the second precoder are configured for spatially multiplexing the concurrent wireless transmission.
US11190239B2 Wireless communication device
According to one embodiment, a wireless communication device includes a receiver configured to receive a plurality of first frames which are transmitted by multiplexing; and a transmitter configured to transmit a second frame containing check results indicating whether the plurality of first frames are successfully received and first information specifying at least one wireless communication device. The receiver is configured to receive a plurality of third frames transmitted by multiplexing in response to the second frame.
US11190234B2 Opportunistic frequency switching for frame based equipment
Techniques providing opportunistic frequency switching for frame based equipment (FBE), such as may be configured to minimize opportunistic frequency switching delay in FBE new radio (NR) unlicensed (NR-U) networks and/or to provide frequency diversity FBE access based on offset sequences of medium sensing occasions for the carrier frequencies are disclosed. Within the FBE mode network, a base station may configure a pattern of sensing locations in each frame for each frequency transmission unit of the plurality of frequency transmission units, wherein an inter-unit delay of sensing locations between a first frequency transmission unit and a next adjacent frequency transmission unit and between a last frequency transmission unit and the first frequency transmission unit is a fixed duration. Opportunistic frequency switching of embodiments may utilize the medium sensing locations for opportunistically switching between a sequence of the frequency transmission units for implementing frequency diversity FBE access.
US11190226B2 Method and apparatus for adjusting for higher order intermodulation products co-located with lower order intermodulation products
A method and apparatus are provided. an indication of a first uplink resource allocation of resource blocks for a transmission on a first carrier, and an indication of a second uplink resource allocation of resource blocks for a transmission on a second carrier are received. An indication of a downlink allocation for receiving a downlink signal is further received. A higher order intermodulation product, which is co-located with a lower order intermodulation product for the first and second allocations resulting from any respective higher order and lower order transceiver nonlinearities is identified. A determination is then made as to whether the co-located higher order intermodulation products have a region of overlap with the downlink allocation. When the co-located higher order intermodulation products have a region of overlap with the downlink allocation, adjustments in the operation are made to account for the overlap of the higher order intermodulation product and the downlink allocation.
US11190217B2 Data writing method, memory controlling circuit unit and memory storage device
A data writing method, a memory controlling circuit unit and a memory storage device are provided. The method includes: obtaining a data; encoding a plurality of sub-data in the data to obtain a plurality of first error checking and correction codes respectively corresponding to the plurality of sub-data; writing the plurality of sub-data and the plurality of first error checking and correction codes into a first physical programming unit; encoding the plurality of sub-data to obtain a second error checking and correction code; and writing the second error checking and correction code into a second physical programming unit.
US11190215B2 Data transmission method, chip, transceiver, and computer readable storage medium
The present disclosure relates to data transmission methods. One example method includes obtaining K information bits, determining to-be-encoded bits, where the to-be-encoded bits include (K+P) bits, the (K+P) bits include the K information bits and P check bits, the K information bits correspond to K polarization channels, the P check bits include T first-type check bits, all the T first-type check bits are PC bits, and reliability of a polarization channel corresponding to each of the T first-type check bits is greater than a minimum value of reliability of the K polarization channels, and performing polar coding on the to-be-encoded bits to obtain encoded bits, where the (K+P) bits are in a one-to-one correspondence with (K+P) rows in a generator matrix of the encoded bits, a maximum row weight corresponding to the T first-type check bits is less than or equal to W2.
US11190212B1 Dynamic control of quasi-cyclic low-density parity-check bit-flipping decoder
Devices, systems, and methods for dynamic control of a quasi-cyclic low-density parity-check (QC-LDPC) bit-flipping decoder are described. An example method includes receiving a noisy codeword based on a transmitted codeword generated from an irregular QC-LDPC code, performing a plurality of decoding iterations on the received noisy codeword, each of the plurality of decoding iterations comprising processing of N circulant matrices, performing, before processing a current circulant matrix in a current M-th iteration of the plurality of decoding iterations, operations that include computing a number of bit flips that have occurred over the processing of N previous circulant matrices, the N previous circulant matrices spanning the current M-th iteration and an (M−1)-th iteration, wherein M and N are positive integers, and wherein M≥2, and updating, based on the number of bit flips, a bit-flipping threshold, and processing, based on the updated bit-flipping threshold, the current circulant matrix.
US11190208B2 Techniques for link partner error reporting
Computing devices and techniques for providing link partner health reporting are described. In one embodiment, for example, an apparatus may include at least one memory, and logic, at least a portion of the logic comprised in hardware coupled to the at least one memory, the logic to determine a plurality of error counters, each of the plurality of error counters associated with a number of errors, determine the number of errors for each data unit of a plurality of data units associated with a data block, increment each of the plurality of error counters corresponding with the number of errors for each data unit of the plurality of data units, provide a plurality of error counts for the data block to a link partner, the plurality of error counts corresponding to the number of errors accumulated in each of the plurality of error counters for the data block, and reset the plurality of error counters. Other embodiments are described and claimed.
US11190204B2 Second-order ΔΣ modulator, radio, and signal processing method performed by second-order ΔΣ modulator
A second-order ΔΣ modulator includes: a two-stage integrator; a first arithmetic operation circuit; and a second arithmetic operation circuit. The two-stage integrator includes a plurality of adder arrays, each of which includes a plurality of adders. The plurality of adder arrays includes first to fourth adder arrays. An output of a last stage of the second adder array is fed back as an input of a first stage of the first adder array. An output of a last stage of the fourth adder array is fed back as an input of a first stage of the third adder array. A sum bit string obtained in the first adder array is input to the third adder array. A sum bit string obtained in the second adder array is input to the fourth adder array.
US11190202B2 Analog-to-digital converter
An analog-to-digital converter includes: a voltage-current converter receiving an analog input voltage, generating a first digital signal from the analog input voltage, and outputting a residual current remaining after the first digital signal; a current-time converter converting the residual current into a current time in a time domain; and a time-digital converter receiving the residual time, and generating a second digital signal from the residual time, wherein the first digital signal and the second digital signal are sequences of digital codes representing respective signal levels of the analog input voltage.
US11190200B2 Digital-to-analog converter system
A digital-to-analog converter for generating an analog output voltage in response to a digital value comprising a plurality of bits, the converter including: (i) a first switched resistor network having a first configuration and for converting a first input differential signal into a first analog output in response to a first set of bits in the plurality of bits; and (ii) a second switched resistor network, coupled to the first switched resistor network, having a second configuration, differing from the first configuration, and for converting a second input differential signal into a second analog output in response to a second set of bits in the plurality of bits.
US11190196B2 Systems and methods for suppressing even harmonics in a molecular clock
In some embodiments, a molecular clock includes a waveguide gas cell containing gas molecules having a rotational spectral line with a first frequency a voltage-controlled oscillator (VCO) to generate a clock signal, a transmitter referenced to the clock signal to generate a probing signal for transmission through the waveguide gas cell, and a receiver to receive the probing signal transmitted through the waveguide gas cell and interacting with gas molecules. The receiver can include a filter circuit configured to filter out even harmonic components from the received signal and can further include a lock-in detector to generate an error signal indicating an offset between the first frequency and the second frequency. The error signal is fed back to control generation of the VCO clock signal.
US11190193B2 Semiconductor device
A semiconductor device outputs, as an output signal synchronized to a phase-locked loop clock signal, a synchronized input signal that is synchronized to a reference clock signal of a phase-locked loop circuit. The semiconductor device includes the phase-locked loop circuit, a first flip-flop that receives the input signal in synchronization with the reference clock signal on the basis of a feedback signal inputted to a phase comparator of the phase-locked loop circuit 10, and a second flip-flop that receives an output from the first flip-flop on the basis of the phase-locked loop clock signal. The second flip-flop outputs the output from the first flip-flop as the output signal. A setup time to synchronize the input signal to the phase-locked loop clock signal is set to one half of a period of the reference clock signal.
US11190192B1 Electronic device with fault and soft error tolerant delay-locked loops
An electronic device includes three delay-locked loops, three dummy voter circuits, and a voter circuit. Each of the three delay-locked loops has a first input end, a second input end, an output end to maintain the phase difference between the reference clock signal received from the first input end and the intermediate clock signal output from the output end. Each of the three voter circuits is connected between the second input end and the output end of each of the three delay-locked loops to delay the phase of the intermediate clock signal by the phase difference. The voter circuit receives the intermediate clock signal from each of the three delay-locked loops, and outputs an output clock signal according to the logic of the intermediate clock signal from each of the three delay-locked loops. The phase difference compensates for the phase delay of the intermediate clock signal passing through the voter circuit.
US11190190B2 Power supply circuit
An output terminal of a power supply circuit is coupled to a load. A control circuit charges multiple intermediate capacitors using an input voltage in a time-sharing manner. Furthermore, the control circuit selects at least one intermediate capacitor that is not being charged from among the multiple intermediate capacitors, and couples the intermediate capacitor thus selected to an output capacitor.
US11190188B2 Memory interface circuit including output impedance monitor and method of calibrating output impedance thereof
Disclosed are a memory interface circuit including an output impedance monitor, which is capable of monitoring and calibrating an output impedance of a driving circuit in real time, and a method of calibrating the output impedance. The memory interface circuit includes a control circuit that outputs a digital transmission signal, a driving circuit that outputs an output signal, based on the digital transmission signal, an output impedance monitor that outputs a pull-up monitoring signal or a pull-down monitoring signal, based on the digital transmission signal and the output signal, and an output impedance calibrator that outputs an impedance monitoring signal, based on the pull-up monitoring signal or the pull-down monitoring signal, and wherein the driving circuit calibrates output impedance based on the impedance monitoring signal.
US11190187B2 Temperature instability-aware circuit
A circuit includes: a first swing reduction circuit coupled between an input/output pad and a buffer circuit, and a second swing reduction circuit coupled between the input/output pad and the buffer circuit. The first swing reduction circuit comprises a first transistor gated by a first bias voltage and comprises a second transistor drained by the first bias voltage. The first swing reduction circuit is configured to increase a voltage at a first node in the buffer circuit when a voltage applied on the input/output pad is equal to a first supply voltage. The second swing reduction circuit is configured to reduce a voltage at a second node in the buffer circuit when the voltage applied on the input/output pad is equal to a second supply voltage.
US11190184B2 Force sensor, particularly for a touch pad
A force sensor including: a first part including a detection coil; a second part positioned opposite the first part and including: a ferromagnetic plate translationally movable relative to the first part to move towards the first part when a force is transferred to the sensor and to reduce reluctance of a magnetic circuit formed by the first and second parts in series with a variable gap; and an electronic detection circuit configured to generate a signal dependent on the reluctance of the magnetic circuit. The ferromagnetic plate is formed by an amorphous metal alloy.
US11190182B2 Control circuitry for silicon-on-insulator chip
Disclosed herein are non-limiting examples of charge pumps that reduce the introduction of noise into a circuit in which they are implemented and/or lower the output impedance when providing certain voltages (e.g., negative voltage generators). The disclosed technologies utilize a plurality of smaller charge pumps (or charge pump units) working in parallel that operate on different clock phases rather than using a single charge pump with a relatively large flying capacitor or a plurality of charge pumps in series. This can, for example, reduce spurious signals or spurs that arise due at least in part to the characteristics of the clock signal. The disclosed technologies may be particularly advantageous for SOI-based components and circuits.
US11190179B2 Advanced gate drivers for silicon carbide bipolar junction transistors
A gate driver circuit comprises a sensor, an amplifier, a regulator and a gate driver. The sensor is configured to sense a collector-emitter voltage and includes a first resistor and a second resistor connected in series, a high voltage diode connected between the series connected first and second resistors and a first capacitor connected parallel to the second resistor. The amplifier is configured to amplify a sensor output voltage and includes a non-inverting operational amplifier controlled by means of a plurality of resistors, a voltage follower connected to an output terminal of the non-inverting operational amplifier through a first diode and a third resistor connected across the first diode and the voltage follower. The regulator is configured to regulate a regulator output voltage based on an amplifier voltage. The gate driver is configured to connect/disconnect the regulator output voltage to the base terminal of the BJT.
US11190178B1 Gate induced drain leakage robust bootstrapped switch
Examples described herein provide an apparatus having a circuit with a grounding circuit and a switch. The apparatus generally includes a gate induced drain leakage (GIDL) protection circuit coupled to the switch and to an output voltage. The GIDL protection circuit may include a switch protection circuit configured to maintain a drain voltage of the switch less than a first supply voltage (Vdd) when the circuit is in an OFF state; and a ground protection circuit configured to maintain a drain voltage of the grounding circuit less than the first supply voltage when the circuit is in an ON state.
US11190177B2 Diode with low threshold voltage and high breakdown voltage
Techniques are described for implementing diodes with low threshold voltages and high breakdown voltages. Some embodiments further implement diode devices with programmable threshold voltages. For example, embodiments can couples a native device with one or more low-threshold, diode-connected devices. The coupling is such that the low-threshold device provides a low threshold voltage while being protected from breakdown by the native device, effectively manifesting as a high breakdown voltage. Some implementations include selectable branches by which the native device is programmably coupled with any of multiple low-threshold, diode-connected devices.
US11190176B2 Method and signal analysis instrument for analyzing a pulse modulated signal
The present disclosure relates to a method of analyzing a pulse modulated signal, wherein the method comprises: receiving a pulse modulated signal; determining a dynamic threshold level based on a period of the pulse modulated signal and the pulse modulated signal; and demodulating the pulse modulated signal by the dynamic threshold level. Moreover, a signal analysis instrument for analyzing a pulse modulated signal is described.
US11190175B2 Comparator diagnostic systems and methods
An analog front-end circuit for self-calibrating a comparator, the circuit comprising a comparator in a comparator measurement path; a preamplifier coupled to the comparator by a set of switches; and an amplifier coupled to the preamplifier, the preamplifier receiving a reference signal as a first input and a user-definable reference as a second input, the user-definable reference generating a user-definable value chosen to create a known condition at an output of the preamplifier, the preamplifier determines a residual value that represents a measurement error in a signal path comprising the comparator and is used to adjust the user-definable reference value to calibrate the signal path such that threshold boundaries for the comparator can be adjusted to tighten a comparator specification.
US11190168B2 Dual bootstrapping for an open-loop pulse width modulation driver
A driver system may include a first n-type field-effect transistor coupled at its non-gate terminals between an output of the driver system and a first terminal of a supply voltage and configured to drive the output when the first n-type field-effect transistor is activated, a second n-type field-effect transistor coupled at its non-gate terminals between an output of the driver system and a second terminal of the supply voltage and configured to drive the output when the second n-type field-effect transistor is activated, a high-side capacitor coupled to the output of the driver system, and a low-side capacitor coupled to the second terminal of the supply voltage, wherein the high-side capacitor and the low-side capacitor are configured to track and correct for mismatches between a first resistance of the first n-type field-effect transistor and a second resistance of the second n-type field-effect transistor.
US11190163B2 Filter device and multiplexer
A filter device having a pass band and a stop band on a lower frequency side than the pass band includes a filter having a pass band including the pass band, a series arm resonator connected in series to the filter, a first inductor directly connected in series to the series arm resonator, and a parallel arm resonator connected between a node on a path connecting the filter and the series arm resonator and the ground. The parallel arm resonator constitutes a resonance circuit having a resonant frequency at which an attenuation pole corresponding to a high frequency end of the first stop band, and the series arm resonator and the inductor constitute a resonance circuit having an anti-resonant frequency on a lower frequency side than the pass band and having a sub-resonant frequency higher than a resonant frequency of the resonance circuit.
US11190155B2 Learning auxiliary feature preferences and controlling the auxiliary devices based thereon
A system for audio control in a vehicle includes a speaker designed to output vehicle audio data in a cabin of the vehicle at a volume. The system further includes a microphone designed to detect microphone data in the cabin of the vehicle. The system further includes a memory designed to store an audio profile corresponding to desirable operation of the volume of the speaker. The system also includes an electronic control unit (ECU) coupled to the speaker, the microphone, and the memory and designed to control the volume of the speaker based on the detected microphone data and the audio profile.
US11190153B2 Radio frequency power circuits utilizing coaxial resonators for video bandwidth improvements and circuit size reduction and a process of implementing the same
A packaged RF power amplifier (RFPA) configured to increase video bandwidth is disclosed as well is a process for implementing a RF power device to increase video bandwidth. The RF power device including at least one transistor; an output matching circuit coupled to an output lead and to the at least one transistor; at least one bias feed circuit coupled to the at least one transistor; and at least one coaxial resonator coupled between the at least one transistor and the at least one bias feed circuit.
US11190152B2 Control circuit for a radio frequency power amplifier
A radio frequency (RF) power amplifier (PA) for amplifying an RF signal between a source node and an output node, the RF PA including a silicon substrate with a complementary metal oxide semiconductor (CMOS) N-type transistor with a source region and a drain region fabricated therein. The source region includes the source node of the RF PA and the drain region includes the output node of the RF PA. The RF PA includes a planar resistor fabricated on the surface of the silicon substrate proximal to the drain region of the N-type transistor, wherein the resistor provides a thermal source for heating the RF PA; and a control circuit providing thermal heating to the RF PA by providing power to the planar resistor during RF signal bursts wherein the added thermal heating compensates transient heating within the transistor and results in a linear power amplification operation.
US11190147B1 Low power, efficient doherty power amplifier
In one embodiment, an apparatus includes: a digital baseband circuit to receive a digital baseband signal and output a first digital baseband signal and a second digital baseband signal, the second digital baseband signal comprising a scaled version of the first digital baseband signal; a first transmitter signal path coupled to the digital baseband circuit to process the first digital baseband signal and output a first radio frequency (RF) signal; a second transmitter signal path coupled to the digital baseband circuit to process the second digital baseband signal and output a second RF signal; a first power amplifier coupled to the first transmitter signal path to amplify the first RF signal and output an amplified first RF signal; and a second power amplifier coupled to the second transmitter signal path to amplify the second RF signal and output an amplified second RF signal.
US11190145B2 Power amplifier with integrated bias circuit having multi-point input
A power amplifier includes a semiconductor die, and an amplifier and bias circuit integrally formed with the semiconductor die. The die has opposed first and second sides, and a device bisection line extends between the first and second sides. The bias circuit includes a multi-point input terminal with first and second terminals that are electrically connected through a conductive path that extends across the device bisection line, and one or more bias circuit components connected between the multi-point input terminal and the amplifier. The amplifier may include a field effect transistor (FET) with gate and drain terminals, and the bias circuit component(s) are electrically connected between the multi-point input terminal and the gate terminal. In addition or alternatively, the bias circuit component(s) are electrically connected between a multi-point input terminal and the drain terminal. The one or more components may include a resistor-divider circuit.
US11190139B2 Gate drivers for stacked transistor amplifiers
Various methods and circuital arrangements for biasing one or more gates of stacked transistors of an amplifier are possible where the amplifier is configured to operate in at least an active mode and a standby mode. Circuital arrangements can reduce bias circuit and stacked transistors standby current during operation in the standby mode and to reduce impedance presented to the gates of the stacked transistors during operation in the active mode while maintaining voltage compliance of the stacked transistors during both modes of operation.
US11190136B2 Amplification systems and methods with one or more channels
Systems and methods are provided for amplifying multiple input signals to generate multiple output signals. An example system includes a first channel, a second channel, and a third channel. The first channel is configured to receive one or more first input signals, process information associated with the one or more first input signals and a first ramp signal, and generate one or more first output signals. The second channel is configured to receive one or more second input signals, process information associated with the one or more second input signals and a second ramp signal, and generate one or more second output signals. The first ramp signal corresponds to a first phase. The second ramp signal corresponds to a second phase. The first phase and the second phase are different.
US11190126B2 Space vector pulse width modulation for multi-phase machines
Technical solutions are described for controlling operation of a multiphase electric machine using a signal generator configured to generate n number of duty cycle signals of a combination pulse width modulation (PWM) scheme comprising of a continuous PWM scheme and a noncontinuous PWM scheme, with n being an integer greater than 3. A blending coefficient value determines relative weights of each of the continuous and noncontinuous PWM schemes in forming the combination PWM scheme. A blending function determines relative weights of each of the continuous PWM scheme and the noncontinuous PWM scheme used to generate the duty cycle signals. The bending function is calculated piecewise based on a difference between the blending coefficient value and two threshold values. The signal generator uses each of the duty cycle signals to control switching of a DC power to a corresponding phase of the multiphase electric machine.
US11190123B2 Method for operating an electric machine, device, drive device, and motor vehicle
A method for operating an electric machine for a vehicle. A target torque of the electric machine is regulated during a driving process depending on a detected time-dependent rotational speed of the electric machine. In the process, the detected rotational speed is differentiated by means of a first high-pass filter over time, the detected rotational speed is then differentiated again over time in a limited manner to positive rotational speed values and using a second high-pass filter, and the target torque is regulated depending on the output value of the second high-pass filter.
US11190120B2 Motor driving device and steering system
In a motor driving device, a current detector detects a value of the motor current, and a limit variable calculator calculates a calculation value of a limit variable for limiting the command current. A determiner determines, based on a relationship between the value of the motor current and the calculation value of the limit variable, whether the motor current is in a less-response situation to change of the command current. A current limiter determines whether to limit a value of the command current based on the calculation value of the limit variable in accordance with a result of the determination of whether the motor current is in the less-response situation to change of the command current.
US11190117B2 Apparatus and method for storing energy
An apparatus for storing energy comprises a two-quadrant chopper connectable to a converter DC link, at least one energy store, connected to the two-quadrant chopper for storing energy, so that the two-quadrant chopper can be used to transport energy from the converter DC link to the at least one energy store or vice versa. The apparatus further comprises a control device for controlling a current flowing in accordance with the transport of the energy, wherein the control device is configured to control the current flowing in accordance with the transport on the basis of a thermal load on the at least one energy store.
US11190116B2 Textile machine
A textile machine includes a main driven system driven by a plurality of main motors, a plurality of slave driven systems each driven by at least one slave motor, and an energy supply/control arrangement for supplying energy to the main motors and the slave motors and for controlling the flow of energy between a power supply system and the main motors and the slave motors. The energy supply/control arrangement includes a first energy exchange unit, a first main motor unit, a second energy exchange unit, a second main motor unit, and a controller. The slave motors include at least one first slave motor connected to a first DC voltage bus system by an associated first slave motor unit and at least one second slave motor connected to a second DC voltage bus system by an associated second slave motor unit.
US11190115B1 Motor starter apparatus using independently rackable reduced voltage soft starter assembly
A motor starter apparatus includes an enclosure, a bypass contactor configured to be installed in the enclosure and configured to selectively couple a power source to a motor, and a reduced voltage soft starter (RVSS) circuit assembly (e.g. a wheeled truck) configured to be installed in the enclosure, to be coupled to the power source and to apply a variable voltage to the motor. The bypass contactor is configured to preserve a connection of the bypass contactor to the power source and the motor when the RVSS circuit assembly is removed from the enclosure.
US11190111B2 Vibration wave motor and electronic equipment using vibration wave motor
Provided is a vibration wave motor, including: a vibration body; a friction member; a press member configured to pressurize the vibration body against the friction member; a base member configured to fix the friction member; and a damping member configured to damp vibration, wherein the vibration body and the friction member are configured to move relative to each other, wherein the friction member includes: a first surface having a first region held in abutment against the vibration body; and a second surface, which is a back surface of the first surface, and has a second region held in abutment against the base member, wherein at least one of the first surface and the second surface has a third region held in contact with the damping member, and wherein positions of the first region and the third region in a pressurizing direction of the press member are different from each other.
US11190107B2 Auxiliary power supply circuit, power supply apparatus, and power supply circuit
An auxiliary power supply circuit is configured to receive electric power from an auxiliary power supply having a positive electrode connected to a switch node and supply electric power to a capacitor having a positive electrode connected to a reference potential node. The auxiliary power supply circuit includes; a switch element connected between the reference potential node and the switch node; and a diode having an anode connected to a negative electrode of the capacitor and a cathode connected to a negative electrode of the auxiliary power supply, a voltage of the switch node being alternately switched between (i) a first voltage substantially equal to a voltage of the reference potential node and (ii) a second voltage higher than the first voltage.
US11190106B2 Systems and methods for voltage compensation based on load conditions in power converters
Systems and methods for voltage compensation based on load conditions in power converters. For example, a system controller for regulating a power converter includes a first controller terminal; a second controller terminal; and a compensation current generator. The compensation current generator is configured to receive an input signal through the first controller terminal. The input signal indicates a first current flowing through a primary winding of a power converter. The compensation current generator is configured to receive a demagnetization signal related to a demagnetization period of the power converter and associated with an auxiliary winding of the power converter. The compensation current generator is configured to generate a compensation current based at least in part on the input signal and the demagnetization signal. The compensation current generator is connected to a resistor. The resistor is configured to generate a compensation voltage based at least in part on the compensation current.
US11190094B2 Magnetically geared apparatus
A magnetically geared apparatus comprising a rotor, the rotor comprising: a ring structure; and at least one pole piece mounted relative to the ring structure; wherein at least a portion of the ring structure forms a continuous ring radially inner to the at least one pole piece, wherein the at least one pole piece is received in a pole piece-receiving portion, the pole piece receiving portion being open at a radially outer end.
US11190091B1 Four-stator and four-rotor combined energy-saving motor
The invention discloses a motor, which comprises four rotors and four stators. The rotor comprises an outer rotor part and an inner rotor part, the outer rotor part is arranged outside the cylindrical inner rotor part, an inner stator zone is formed between the outer rotor part and the inner rotor part, and an outer stator zone is formed between the outer rotor part and the motor shell; the outer rotor part and the inner rotor part are connected by flange, and the inner stator zone is divided into a first inner stator zone and a second inner stator zone by flange; the outer stator zone is divided into a first outer stator zone and a second outer stator zone by flange; the four stators are arranged in the first inner stator zone, the second inner stator zone, the first outer stator zone and the second outer stator zone respectively.
US11190090B1 Apparatus for automated encapsulation of motor rotor core with magnet steel
An apparatus for automated encapsulation of motor rotor core with magnet steel is introduced. The apparatus includes at least one encapsulation unit, a plastic granule feeding device, a waste removing device, a conveyance device and a control device. Under a coordinated control of the control device, a rotor core feeding mechanism of the encapsulation unit feeds rotor cores to a plastic dispensing mechanism in cycles, the plastic granule feeding device separates, outputs and dispenses plastic granules, so that they are arrayed before being dispensed onto the rotor cores, and the conveyance device conveys plastic granules and moves the waste removing device to carry waste to a waste removal zone. With these arrangements, it is able to realize automated feeding of rotor cores, automated feeding of plastic granules and automated removal of waste to achieve completely automated rotor core encapsulation operation while enables mass production of motor rotor cores.
US11190079B2 Rotor and motor including same
The present invention comprises a rotor core and a cover disposed on the rotor core, wherein the cover includes a body part and a plurality of wing parts formed on the body part, the wing part is disposed between an outer boundary, which is a circular curve, and an inner boundary, which is a circular curve, the wing part includes an inner part and an outer part, the inner part forms a first inlet angle at a first point and forms a first outlet angle at a second point, the outer part forms a second inlet angle at a second point and forms a second outlet angle at a third point, the first point is positioned at the inner boundary, the second point is positioned at an intermediate boundary, which is a circular curve, disposed between the outer boundary and the inner boundary, and the third point can be positioned at the outer boundary.
US11190078B2 Drive, including an electric motor and a transmission, and method for producing a drive
A drive includes an electric motor, having a rotor shaft rotatably mounted in a motor housing by bearing(s), and a transmission, having a transmission housing including a housing part and a cover part connected together. A bayonet guide region is arranged on, and projects into a recess of, the housing part. An adapter flange is connected to the motor housing in a torsion-resistant manner and includes a lug region engageable behind the bayonet guide region. The recess is restricted in the circumferential direction by a holding fin provided on the housing part, extending from a bearing receptacle of the bearing of the input shaft of the transmission in the radial direction and is restricted counter to the circumferential direction by a further holding fin provided on the housing part, extending from a bearing receptacle of the bearing of the input shaft in the radial direction.
US11190076B2 Motor
A motor according to the present invention includes: a stator having a stator core and a coil; a rotor having a rotary shaft and a rotation body; a shaft bearing rotatably supporting the rotor; and a molding resin covering the stator. The motor has a coil end that is the coil protruding from the stator core in a shaft center X direction, and has a non-combustible layer provided to cover the coil end. The non-combustible layer is a metallic cover made of, for example, metal. The metallic cover is disposed to cover a periphery of a coil assembly in which the coil is formed on the stator core through an insulator. The metallic cover is integrated with the coil assembly by a molding resin.
US11190073B2 Motor having increased passage for refrigerant for cooling coils
A motor includes a stator including a stator core and teeth respectively protruding from the stator core, and coils respectively wound onto the teeth n (n is an integer of 1 or greater) turns including first to n-th turns. The coils are each made from a conductive member having a polygonal cross section. On a cross section obtained when one of the coils is cut in a corresponding one of directions of protrusion of the teeth from the stator core, the one of the coils includes a recess on at least either a first opposing surface representing an opposing surface to a corresponding one of the teeth or a second opposing surface representing an opposing surface to another one of the coils, which is wound onto adjacent one of the teeth. A space allowing refrigerant used for cooling the coils to pass through is provided between the recess and at least either the first opposing surface or the second opposing surface.
US11190065B2 Flux machine
A flux machine includes a stator and a rotor. A set of electrical coil assemblies with side surfaces and sets of plural permanent magnets are arranged circularly on the stator and the rotor. Pole faces of the magnets are positioned adjacent to and spaced apart from side surfaces of permeable cores of the coil assemblies. In each coil assembly a pair of like pole faces of the magnets mutually face across the permeable core and a third magnet pole face faces transversely relative to the mutually facing pole faces of the pair of magnets.
US11190062B2 Axial gap type rotating electric machine and stator
The moldability of the stator of an axial gap type rotating electric machine improved. The axial gap type rotating electric machine has: a stator comprising core members disposed about a rotating shaft in a ring shape with a predetermined space from adjacent core members, said core members each having a core around which a coil is wound, the number of the turns of the coil being less on the outer perimeter side than on the inner perimeter side, the core members being molded with mold material; and a rotor facing an end surface of the core in the shaft direction through a predetermined gap. The core members comprise: a first core member in which the number of coil winding layers on one side in the shaft direction is larger than the number of winding layers on the other side; and a second core member in which the number of coil winding layers on one side in the shaft direction is less than the number of winding layers on the other side. In the stator, the first and second core members are alternately disposed, with the coil on the side where the number of the winding layers of the first core member is larger and the coil on the side where the number of the winding layers of the second core member is smaller opposed to each other.
US11190061B2 Adhesive backed induction charging device
The present disclosure provides a connected, preferably adhesive, backed wireless induction charging device for charging electronic devices enabled for wireless induction charging that prevents relative motion between the electronic device and the induction charger once the electronic device has been placed onto the adhesive side of the induction charger so that the electronic device is able to maintain proper positioning for charging at an optimal rate.
US11190060B2 Power receiving apparatus, power transmission apparatus, control method, and non-transitory computer-readable storage medium
A power receiving apparatus, which has a first communication function and a second communication function, controls the first communication function to receive a first signal including information representing whether a power transmission apparatus can execute control communication using a second method, controls, based on the information representing that the power transmission apparatus can execute the control communication using the second method, the first communication function to transmit, to the power transmission apparatus, a second signal to request identification information of the power transmission apparatus for the communication of the second method and receive the identification information from the power transmission apparatus, and determines which one of the first communication function and a second communication function should be used for the control communication, based on the first signal and whether the identification information is received.
US11190059B2 Controlling power in a wireless power transfer system
The power transmitter (101) providing power to a power receiver (105) comprises a communicator (309) communicating with the power receiver (105) and a negotiator (305) negotiating a guaranteed power level with the power receiver (105) prior to a power transfer phase. The guaranteed power level is a minimum power level guaranteed by the power transmitter (101) throughout the power transfer phase. During the power transfer phase, a determiner (307) dynamically determines an available power level based on the prevailing operating parameters. The available power level is one that can currently be provided but is not guaranteed. The power controller (309) is arranged to, during the power transfer phase, increase the power level above the guaranteed minimum level in response to power control messages, and to reduce the power level regardless of the power control messages in response to a detection that the power level exceeds the available power level.
US11190058B2 Non-contact power supply device and method for abnormal stop
A power receiving device 3 of a non-contact power supply device 1 has: a resonant circuit 20 having a receiving coil 21 for receiving power from a power transmission device 2; and a rectifier circuit 24 for rectifying power output from the resonant circuit 20. The power transmission device 2 has: a transmission coil 14 for supplying power to the power receiving device 3; a power supply circuit 10 for supplying AC power having an adjustable switching frequency to the power transmission coil 14; and a control circuit 17 that stops the power supply from the power supply circuit 10 to the transmission coil 14 when the non-contact power supply device 1 does not perform a constant voltage output operation even if the switching frequency is changed over a predetermined frequency range.
US11190056B2 Method and system for transmitting the power of a radio frequency type signal received by a radio frequency receiver
A method and device for transmitting (20) to an electrical element (4) the power of a radio frequency type signal received by a radio frequency receiver (1), e.g., a radio frequency identification (RFID) chip, the receiver (1) having a receiving antenna (2) and a voltage rectifier (3) of the signal received by the antenna (2), the transmission device (20) including a voltage converter (30) connected to the rectifier (3) of the chip and to the electrical element (4). The device includes a control system (40) configured to momentarily derive the signal from the rectifier (3) in order to define an optimal input voltage of the converter (30) for which the input impedance of the converter corresponds to the output impedance of the rectifier (2), and to redirect the DC signal to the voltage converter (30) by providing the converter with an input voltage setpoint corresponding to the optimal voltage.
US11190055B2 Simultaneous wireless power and data transfer system
A wireless power and data transfer system including a transmitter and a receiver is provided for wirelessly transmitting power from a transmitter to a receiver and wirelessly transmitting data from the receiver to the transmitter. The transmitter comprises a transmitter substrate, a source element forming an inner loop on the transmitter substrate, a plurality of transmitter resonator elements each forming an outer loop on the transmitter substrate; and a plurality of transmitter capacitors connected to the plurality of transmitter resonator elements, respectively. The receiver comprises a receiver substrate, a load element forming an inner loop on the receiver substrate, a plurality of receiver resonator elements each forming an outer loop on the receiver substrate; and a plurality of receiver capacitors connected to the plurality of receiver resonator elements, respectively.
US11190051B2 Apparatus, system and method
According to one embodiment, an apparatus includes a transmitter, a sensor, a controller and an adjustment circuit. The transmitter is configured to transmit a power signal wirelessly. The sensor is configured to measure a value of the power signal. The controller is configured to: determine a frequency characteristic of the power signal based on the value measured by the sensor; and switch a frequency of the power signal between a plurality of frequencies. The adjustment circuit is configured to adjust an amplitude of the power signal based on a change of the frequency characteristic of the provided power signal by switching the frequency of the power signal.
US11190049B2 Wireless electrical energy transmission system
A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
US11190047B2 Uninterruptible power supply system including a plurality of uninterruptible power supplies connected in parallel
Each of n uninterruptible power supplies connected in parallel includes m uninterruptible power supply modules connected in parallel between an input terminal and an output terminal. In each uninterruptible power supply module, a controller controls an inverter so that the current value of AC power supplied from the inverter to a load matches a first instruction value. The n×m controllers are connected to one another to constitute an integrated controller. When a failure is detected in one of the m uninterruptible power supply modules in any one of the n uninterruptible power supplies, the integrated controller disconnects the failed uninterruptible power supply module and changes the first instruction value to a second instruction value so as to equalize the current values of AC power output from the inverters of the remaining normal uninterruptible power supply modules.
US11190046B2 Battery module
A battery module according to an embodiment includes a battery; a breaker that switches electrical connection of an output line from the battery to outside; a power source switch circuit that receives an internal source voltage supplied from the battery, an external source voltage supplied from an external power source, and an boot signal from outside, and switches a source of power that supplies source voltage from the external power source to the battery when at least one of the external source voltage and the boot signal is at a second level; and a control circuit that uses, as power supply, the source voltage that is output from the power source switch circuit, and controls operation of the breaker and of the power source switch circuit.
US11190045B2 Apparatus and method for detection of line to neutral back-feed voltage
An electric utility distribution system in which power is supplied by a distribution transformer through an electric utility meter including an apparatus for detecting the presence of a back-feed voltage source connected to the load. The apparatus includes a virtual neutral established in the electric utility meter at ground potential and a remote switch that is opened to interrupt electric power flow from the distribution transformer to the load. The apparatus further includes a balanced voltage divider circuit including a connection point established between a pair of series connected resistive elements. In addition, the apparatus includes a detection circuit configured to monitor a voltage signal at the connection point to detect a back-feed voltage source connected between a neutral conductor of the electric utility distribution system and one of a first or second power line at the load.
US11190044B2 Charging control method and charging control system using energy generated from solar roof
One form of a charging control method using energy generated from a solar roof embedded with a solar cell according to the disclosure includes: transmitting an amount of energy generated from the solar roof by respective control units of a system for charging control; calculating an electrical load; determining whether the amount of energy generated from the solar roof is larger than the electrical load; instructing an output of a high-voltage converter when the amount of energy generated from the solar roof is larger than the electrical load; determining whether a high-voltage battery is in a charging state; and performing a variable voltage control when a high voltage is outputted in accordance with the instruction to perform the output of the high-voltage converter; and performing a charging control on the high-voltage battery in consideration of the amount of energy generated from the solar roof when it is determined that the high-voltage battery is in the charging state. It is possible to improve fuel economy and marketability of a vehicle by optimally controlling charging of a high-voltage battery and a low-voltage battery by using energy supplied from the solar roof while the vehicle travels.
US11190041B2 Charge-discharge control apparatus and charge-discharge control apparatus method
According to an embodiment, a charge-discharge control apparatus includes a rectifier-voltage decrease detector circuit and an over-discharge suppression controller circuit. On the condition that the rectifier-voltage decrease detector circuit detects that voltage output from a rectifier circuit of a power-receiving device is decreased below a voltage threshold, the over-discharge suppression controller circuit suppresses over-discharge of an inverter circuit of a power-feeding device, or suppresses over-discharge of a battery of the power-receiving device.
US11190040B2 Shape of wireless power transmission coil and coil configuration method
An electromagnetic resonance-type wireless power transmitter according to one embodiment of the present invention may comprise: a power conversion unit including a converter capable of converting a voltage received from a power supply unit into a particular voltage; a power transmission unit including a wireless power transmission coil for receiving the particular voltage from the power conversion unit and wirelessly transmitting power, using a particular resonance frequency; a communication unit capable of performing data communication with a wireless power receiver; and a control unit for controlling the power conversion unit, the power transmission unit, and the communication unit, wherein the wireless power transmission coil may comprise an outer coil part having a first loop shape, and an inner coil part disposed within the first loop shape and having a second loop shape, the direction of a current flowing through the outer coil part may be opposite to that of a current flowing through the inner coil part adjacent to the outer coil part, and the direction of a magnetic field generated by the outer coil part may be identical to that of a magnetic field generated by the inner coil part in a first area between the outer coil part and the inner coil part adjacent to the outer coil part.
US11190036B2 Power supply device with replaceable batteries and power supply control method
A power supply device and a power supply control method with which charging and electric power supply can be continued efficiently, and a charge capacity can be added is disclosed. A power supply device including: plural battery units replaceably connected to a battery connection part, an output unit for outputting electric power from the battery unit to a load, and a control unit for controlling connection of the plural battery units with respect to the output unit, wherein the control unit selects a battery unit having a remaining charge amount that is smallest among the plural battery units and equal to or greater than a first predetermined amount, and connects the selected battery unit to the output unit.
US11190033B2 Adaptor for a device to bus contact connection
The invention discloses an adaptor or coupling arrangement for a device to bus contact connection. According to the invention, the coupling arrangement may be integrated in the device or configured to mate externally to the device. The coupling arrangement comprises electrical contact areas configured to mate to a mating surface that is itself configured to connect to a power line, one or more data lines, or both. The coupling arrangement also comprises an electronic circuit that is configured to perform one or more anti-inversion of current functions. Thus the coupling arrangement of the invention allows detection of the current connections established or not with conductive areas of the mating surface. Also, the coupling arrangement operates as a protection circuit that prevents any short circuit, whatever the positioning of the device on the mating surface. The coupling arrangement may be used to operate smart phones, tablets, laptops or other types of electrical appliances.
US11190030B2 Method and system for inspecting the safety of an electric vehicle charger
A method of inspecting the safety of an electric vehicle charger includes: fastening a charger connector between a charger side and a vehicle side; checking for an abnormality in the charger and the charger connector by checking for a leakage current; raising a voltage of a quick charger to a voltage of a high-voltage battery of a battery unit by closing a high-voltage battery main relay; charging a motor inverter capacitor of an inverter unit connected to the battery unit by closing the high-voltage battery main relay; opening the high-voltage battery main relay and then closing a quick charge relay of a charging unit connected to the inverter unit; checking whether normal charge is enabled by requesting a normal charge voltage and a normal charge electric current from the vehicle side to the charger side; and forcedly discharging a voltage with which the motor inverter capacitor is charged.
US11190025B2 Control apparatus, control method, and power storage control apparatus
[Object] To provide a control apparatus capable of optimum power interchange in the whole of a community including a plurality of customers. [Solution] There is provided a control apparatus including: an acquisition section configured to acquire information regarding consumption of power from a plurality of nodes that store and consume power; and a control section configured to use the information regarding consumption of power to generate data regarding target power storage in each of the nodes, the data being provided to the node.
US11190024B2 Method for regulating a power supply system
A method provides closed-loop control for an entire power supply system which has three supply levels each considered to be a separate regulatory unit and controlled independently of the other supply levels. An interface between two respective regulatory units is defined by control of the active power and reactive power transmitted between the two regulatory units. Appropriate control of the active power and reactive power transmitted between the regulatory units allows these regulatory units to be isolated from or connected to one another in terms of power. A power supply system is ideally regarded as a chain of separate regulatory units for supplying power. This allows efficient and safe operation and local control of a power supply system to which locally produced power is supplied, for example on different supply levels. In addition, a low number of data items to be interchanged between the supply levels is maintained.
US11190020B2 Direct current voltage coordination control method
A DC voltage coordination control method is applied to a multi-terminal VSC-HVDC power transmission system or a VSC-HVDC power grid system. When a lower-level control is used in the active power control mode, the active power reference value of the converter is generated according to the converter DC voltage and the converter DC voltage active power curve; it also includes an upper-level control to adjust the control mode and active power setting value of the lower-level control to ensure the steady-state performance of the system. This method has low dependence on communication, avoids the problem that the fixed slope and margin cannot meet all operating conditions, and is suitable for large-scale VSC-HVDC systems, and has scalability.
US11190019B2 Method for supplying wind energy plant components with energy and energy supply device and wind energy plant using the same
Provided is a method of supplying at least one component of a wind turbine with energy. The energy during operation of the wind turbine is taken from energy generated using a generator of the wind turbine and provided for supply to the at least one component of the wind turbine. Provided is an energy supply device for performing the method and a wind turbine having the energy supply device.
US11190017B1 System and method for smart local power distribution
A smart local power distribution (SLPD) system is provided for improving the efficiency of local power generation and consumption. The SLPD system includes a local distribution grid connected to a regional power grid by a local power manager including a local power storage unit and further connected to a plurality of power meters. The local power storage unit is configured to store excess locally-generated power and to provide supplemental power to prosumers for minimized usage of regionally-supplied power and minimized peak-time usage of regionally-supplied power. The local power manager analyzes data provided by the power meters, generates power load and generation profiles, and makes various data-based power flow decisions corresponding to optimizing efficiency of the SLPD system.
US11190015B2 Control of heating elements
An apparatus for controlling one or more switched high power loads (or heating elements). The apparatus including: one or more switched high power loads (or heating elements), each high power load being powered from a common alternating current power source, and wherein each load is independently switched using a switching signal for zero crossing switching to achieve a desired average power output; the switching signal is generated that comprises a repeated switching sequence; the switching sequence indicates a respective selecting activation for each of the switched high power load over a sequence of half or full cycles.
US11190011B2 Surge current suppression circuit
A surge current suppression circuit includes a switch, a bypass resistor, a detection resistor, and a comparator. The switch is coupled to a first end of an energy storage capacitor in series, wherein a second end of the energy storage capacitor is coupled to a load and receives an input power source. The bypass resistor is coupled to the switch in parallel. The detection resistor is coupled to the switch in series to generate a detection voltage according to a capacitor current flowing through the energy storage capacitor. The comparator compares the detection voltage with a reference voltage to generate a control signal. When the detection voltage is greater than the reference voltage, the control signal controls the switch to be turned off. When the detection voltage is less than the reference voltage, the control signal controls the main switch to be turned on.
US11190010B2 Annular bearer network and service bearing implementation method therefor
Provided are a method and apparatus for calculating fault resistance and a current-limiting current of a superconducting fault current limiter. The method includes: calculating a first short-circuit fault current In(t) of a power grid short-circuit fault transient circuit; calling an external characteristic model U(I,t), and calculating resistance Rn(t) of a superconducting fault current limiter under the first short-circuit fault current In(t); adding the resistance Rn(t) of the superconducting fault current limiter into the power grid short-circuit fault transient circuit, and calculating a second short-circuit fault current Im(t), where m=n+1; and determining whether an error between the second short-circuit fault current Im(t) and the first short-circuit fault current In(t) is smaller than a preset threshold value, if yes, determining the fault resistance and the current-limiting current of the superconducting fault current limiter to be Rn(t) and Im(t) respectively; otherwise, In(t)=Im(t), returning for iteration.
US11190004B2 Relay failure diagnosis circuit
The present disclosure describes a failure diagnosis circuit may comprise a first terminal, a second terminal, a first relay and a second relay, a diagnostic signal transmission circuit, a transmission circuit diagnosis circuit, a first diagnostic signal reception circuit, a first reception circuit diagnosis circuit, a second diagnostic signal reception circuit, a second reception circuit diagnosis circuit, and a controller.
US11189999B2 Feed device and power supply system
A feed device for supplying electrical power and/or data to an electrical load, which is movable in at least one travel direction relative to the feed device, via cables. An electrical line cable carried along by the electrical load can be connected or is connected to the feed device, and to a power supply system for supplying the movable electrical load. The line cable can be output or retrieved from a reservoir, which is carried along by the load, in accordance with a distance between the reservoir and the feed device. The feed device has at least one connection part, which is rotatable about at least one pivot axis, for the line cable. This feed device, as well as a power supply system having such a feed device, provides protective guidance and storage of the line cable, reducing the risk of kinking or excessive bending of the line cable when moving the electrical load.
US11189998B2 Apparatus for electrically interconnecting two laminated multi-phase busbars
An apparatus for electrically connecting busbars includes: a first laminated multi-phase busbar to be connected to a second laminated multi-phase busbar, each of the first and second laminated multi-phase busbars including a plurality of conducting layers and insulating layers which are arranged between the conducting layers, the conducting layers of the first laminated multi-phase busbar projecting from the insulating layers thereof, forming a first lateral connecting portion with first electrical contact surfaces, and the conducting layers of the second laminated multi-phase busbar projecting from the insulating layers thereof, forming a second lateral connecting portion with second electrical contact surfaces; and a bridging element that includes a plurality of laminated insulating layers and conducting layers having electrical contact surfaces which contact associated electrical contact surfaces of the first and second lateral connecting portions of the first and second busbar.
US11189994B2 Circuit breaker
The present disclosure relates to a circuit breaker equipped with an energy release device of a switching mechanism, and particularly, to a circuit breaker equipped with an energy release device that allows energy of a closing spring of a switching mechanism to be automatically discharged at the time of a withdrawal operation.
US11189988B2 Electrically isolating vertical-emitting devices
A device includes a substrate, a vertical cavity surface emitting laser (VCSEL) array on top of the substrate, a via through the substrate and the VCSEL array, a first electrode extended from a top of the VCSEL array to a bottom of the substrate, through the via, the first electrode electrically connected to the VCSEL array, a second electrode on the bottom of the substrate, the second electrode electrically connected to the VCSEL array, and an isolator in the via providing electrical isolation between the first electrode and the second electrode.
US11189985B2 Optoelectronic assembly
An optoelectronic assembly is disclosed. The disclosed assembly includes one or more lasers formed on a first substrate, and a programmable driver circuit formed on a second substrate configured as an integrated circuit. The first and second substrates are mounted on a third substrate in a stacked arrangement.
US11189982B2 Pulse stretching technique for laser bond inspection, laser ultrasonic inspection, and laser peening
An example laser system includes a laser, a plurality of pulse stretchers coupled together in series, a feedback module, and a lens assembly. The plurality of pulse stretchers is configured to stretch pulse widths of laser pulses provided by the laser and to output stretched laser pulses. The feedback module includes a pulse delay comparator that is configured to compare a first laser pulse of the laser pulses to a corresponding first stretched laser pulse of the stretched laser pulses. The feedback module also includes a computing device that is configured to determine, based on a result of the comparing by the pulse delay comparator, an adjustment to a pulse stretcher of the plurality of pulse stretchers, and apply the adjustment to the pulse stretcher so as to modify a shape of a second stretched laser pulse of the stretched laser pulses.
US11189978B2 Connector and wire harness
A connector includes: a housing; and a short-circuit terminal. A deformable portion is configured to deform in a direction of moving away from the terminal during housing of the terminal and to deform in a direction of moving closer to the terminal when the housing of the terminal is finished. The short-circuit terminal has, as different portions, a contact point portion to contact with the two or more terminals and a push target portion to contact with the deformable portion. The short-circuit terminal is configured to reduce its pressure of contact toward the terminal at the contact point portion, during the housing of the terminal, due to a movement of the push target portion along with the deformable portion.
US11189977B2 Edge-coupled differential stripline connector
A hermaphroditic connector for use in single or multiple twisted-pair connectivity applications is constructed using a small number of parts having a simple but durable assembly. The connector housing comprises an elongated form factor that, when mated with a similar hermaphroditic connector, forms a rigid overlapping shield around the electrical contacts of the two connectors. While unmated, the conductive tines within the connector have a default curved profile that facilitates reliable connectivity with tines of a mating connector. When the connector is mated with a similar connector, the tines are deformed to a flatter profile by support plates within the connectors, yielding a shape more conducive to high-frequency signal applications. The shape of the tines also yields multiple in-line redundant contact points to ensure reliable connectivity without adding to the width of the connector.
US11189976B2 Electrical system for dockside power pedestals
A receptacle assembly includes one or more receptacle housing members, each having an inner portion which extends outwardly beyond the housing member defining an asymmetrical opening therebetween to secure a male connector. The inner portion includes openings to secure electrical prong members from the male connector. Electrical connectors extend from the inner portion to electrical power lines from a dockside power pedestal or post. A mounting assembly portion of the retrofit receptacle assembly secures the receptacle to the dockside power pedestal or post.
US11189972B2 Electrical connector with structure for reducing resonances
An electrical connector includes a housing and a pair of contact wafers. Each contact wafer includes an insulative plate and a plurality of contacts. The contacts include a plurality of grounding contacts and plural differential-pair contacts. Each contact includes a contacting section extending beyond a front edge of the plate, a tail section exposed outside of a bottom edge of the plate and a connecting section linked between the contacting section and the tail section. The plate includes a plurality of first through holes formed along the connecting section of each grounding contact, and a plurality of second through holes formed along the connecting sections of each pair of the differential-pair contacts. The first through holes and the second through hole are essentially offset from each other in both the first direction and the second direction which are perpendicular to each other.
US11189970B2 Chip slot and network system
A chip slot is disclosed, which includes a slot, where a plurality of terminal groups are disposed in the slot, terminals in each terminal group include metal sheets that are symmetrically disposed on two opposite inner side walls of the slot, and each metal sheet has a bending pin that extends outside the slot; bending directions of bending pins on the terminals in each terminal group are same; and for any row of metal sheets in any two adjacent terminal groups, along an arrangement direction of the row of metal sheets, bending pins of the metal sheets in the adjacent terminal groups are alternately arranged on both sides of the row of metal sheets. The bending pins of the row of metal sheets are bent toward two different directions.
US11189961B2 Modular harsh environment connector
A low cost sealed electrical connector that incorporates multiple connection elements and is sealed against harsh environment with redundant seals. The connector is a harsh environment sealed electrical assembly that is assembled in-situ with a variety of end connector fittings for sealing. The modularity of the sealed connector puck type assembly enables mass manufacturing by injection molding or other mass production methods. The connector can either be mounted to a bulkhead or used in an inline cable assembly using a variety of end fittings. Multiple connector types are encompassed including various sizes of electrical conductors or a combination connector. The connector sealing material is chemical and harsh environment resistant and may include but are not limited to epoxy, urethane and silicone. The invention reduces the number of penetrations in a harsh environment system application thus reducing size, weight, and cost.
US11189953B2 Connector-assembly with primary-lock-reinforcement device
A connector assembly includes electrical terminals, a connector housing, and a primary lock reinforcement device. The electrical terminals are configured to mate with corresponding electrical terminals along a mating axis of the connector assembly. The connector housing is configured to retain the electrical terminals within terminal cavities defined by a terminal tower disposed within the connector housing. The primary lock reinforcement device is configured to slideably engage the terminal tower and is moveable from a prestaged position to a full staged position. The primary lock reinforcement device has a base and a skirt defining a cavity having a flexible beam disposed within and terminating at a tip. The tip engages a stop in the connector housing in the prestaged position inhibiting a movement of the primary lock reinforcement device along the mating axis. When the electrical terminals are fully seated into the terminal cavities, the electrical terminals disengage the tip from the stop enabling the primary lock reinforcement device to move from the prestaged position to the full staged position.
US11189950B2 Plug connector with a conductive rubber element
A plug connector to which a cable having at least one insulated conductor can be connected is provided, wherein the plug connector has a conductive rubber element with at least one conductive layer, but preferably with at least two conductive layers. The electrical connection of the conductors is realized by the conductive rubber element. The conductive rubber element can also form the plug face of the plug connector. As an alternative, the conductors can be connected to contact elements by the conductive rubber element.
US11189948B1 Power adapter and method of implementing a power adapter to provide power to a load
A power adapter configured to provide power to a load is described. The power adapter comprises a first plurality of contact elements comprising a first contact element configured to receive power and a second contact element adapted to be coupled to a load; and a surface adapted to receive a control attachment and comprising a second plurality of contact elements; wherein a third contact element of the second plurality of contact elements is configured to receive power by way of the first contact element of the first plurality of contact elements; and wherein power is applied to a load by way of the second contact element of the first plurality of contact elements.
US11189944B2 Cable connection structure and cable junction connector
A cable connection structure includes a cable, a sheet-like wiring member, and a cable junction connector. The cable junction connector includes a first fitting and a second fitting. A connection portion of the first fitting and a connection portion of the second fitting interlock with each other in a state in which a part of a conductor formed on the sheet-like wiring member is sandwiched between a plate portion of the first fitting and a plate portion of the second fitting. The first fitting has an insulation-displacement contact which includes an open-ended slot. The cable is forced into the open-ended slot. A direction in which the cable is forced into the open-ended slot is perpendicular to a direction in which the cable extends and is parallel to a direction in which the part of the conductor is sandwiched between the plate portion of the first fitting and the plate portion of the second fitting.
US11189941B2 Assembly for clamping and grounding objects
In various representative aspects, an apparatus for clamping and grounding solar panel frames to a mounting rail is disclosed herein. The apparatus includes a fastener with an enlarged end, and a shank, with the enlarged end having one or more sharp protrusions that resemble teeth, and a washer with one or more sharp protrusions, and an opening. When installed, the shank is inserted through the opening of the washer, the sharp protrusions of the enlarged end penetrate either the lower or upper surface of the mounting rail and the sharp protrusions of the washer penetrate the other surface of the solar panel frames while at the same time creating a grounding path through the apparatus.
US11189936B2 Slot-fed dual horse shoe circularly-polarized broadband antenna
An antenna comprising: first and second dielectric layers; a conductive slot layer disposed between the first and second dielectric layers, wherein the slot layer has a slot therein with short and long axes of symmetry; a pair of arcs, rotated 180° from each other, made of conductive material, and disposed on top of the first dielectric layer, wherein proximal ends of the arcs are vertically-aligned with the short axis of symmetry and equidistant from the long axis of symmetry and electrically connected to the slot layer through vias in the first dielectric layer; and a forked feed made of conductive material disposed on the bottom of the second dielectric layer, wherein the forked feed has a centerline that is vertically-aligned with the short axis of symmetry.
US11189935B2 Cavity slotted-waveguide antenna array, a method of manufacturing a cavity slotted-waveguide antenna array, and a radar antenna module comprising cavity slotted-waveguide antenna arrays
A cavity slotted-waveguide antenna array has several waveguide columns disposed in parallel in a housing. Several of the waveguide columns being provided with cavity slots on the front side of the housing. The housing includes a front part secured to a rear part, with a rear portion of the waveguide columns being formed in the rear part, and with a front portion of the waveguide columns being formed in said front part. The waveguide columns can have a rectangular cross-section, with the columns defined by two opposing wide inner surfaces, a narrow inner back surface, and a narrow inner front surface, with the plurality of cavity slots extending from the front side of the housing to said narrow inner front surface. A signal probe is disposed in the columns. Conductive parallel plate blinds are conductively secured to the front side of the housing.
US11189934B2 Re-configurable distributed antenna system
A re-configurable distributed antenna system that includes a plurality of base transceiver stations and a plurality of remote antenna units is provided. The plurality of the remote antenna units are configured and arranged to provide communication services for a plurality of coverage zones. A signal router selectively routes signal communication paths between a plurality of base transceiver stations and the plurality of the remote antenna units. At least one memory is configured to store routing scenarios and distributed antenna system configurations associated with the stored routing scenarios. Moreover, at least one controller dynamically controls the signal router to selectively route the signal communication paths between the plurality of base transceiver stations and the plurality of remote antenna units based at least in part on a then current need of communication service capacity within the plurality of coverage zones and the stored coverage routing scenarios.
US11189933B2 Phase control device, antenna system, and method of controlling phase of electromagnetic wave
An object is to advantageously control a phase of an electromagnetic wave with high efficiency in wide bandwidth. A phase control device includes a two dimensional array of a plurality of cube units that are configured to shift a phase of an electromagnetic wave passing through the cube units. The cube units include at least two basic structures including different number of stacked metal layers separated from each other.
US11189930B2 Apparatus and methods for sending or receiving electromagnetic signals
Aspects of the subject disclosure may include a generator that facilitates generation of an electromagnetic wave, a core, and a waveguide that facilitates guiding the electromagnetic wave towards the core to induce a second electromagnetic wave that propagates along the core. The core and/or the waveguide can be configured to reduce radiation loss of the second electromagnetic wave, propagation loss of the second electromagnetic wave, or a combination thereof. Other embodiments are disclosed.
US11189928B2 Technique for tuning the resonance frequency of an electric-based antenna
A technique is provided for tuning the resonance frequency of an electric-based antenna formed by a radiator element coupled to an antenna ground plane. The disclosed method comprises providing a plurality of parasitic capacitive elements extending in an electric field direction of the electric-based antenna so as to lower the resonance frequency of the electric-based antenna below a desired resonance frequency. The electric-based antenna is then integrated within a deployment environment of interest, and thereafter an indication of an actual frequency response of the electric-based antenna within the deployment environment is obtained. One or more of the parasitic capacitive elements may then be removed so as to adjust the actual resonance frequency towards the desired resonance frequency. By such an approach, a significant degree of adjustment in the resonance frequency of the antenna can be made after the antenna has been integrated within the deployment environment.
US11189924B2 Antenna structure
An antenna structure includes a housing, a first feed source, a second feed source, a third feed source, and a radiating body. The first feed source is electrically coupled to a first radiating portion of the housing and adapted to provide an electric current to the first radiating portion. The second feed source is electrically coupled to the second radiating portion and adapted to provide an electric current to the second radiating portion. The radiating body is mounted within the housing and electrically coupled to the third feed source. The third feed source provides an electric current to the radiating body.
US11189922B2 Cellular system
A system includes one or more antennas; and a processor coupled to the antennas in communication with a predetermined target using 5G protocols.
US11189920B2 Control substrate, liquid crystal phase shifter and method of forming control substrate
A shift register unit, a shift register, a gate driving circuit and a display device are provided. The control substrate, comprising a base substrate, at least one microwave transmission line and at least one voltage loading line on the base substrate, wherein the at least one microwave transmission line is in a one-to-one correspondence to the at least one voltage loading line, and an end of the at least one voltage loading line is connected to the corresponding microwave transmission line, where the at least one voltage loading line and the at least one microwave transmission line are made of a same metal material, and the at least one voltage loading line is a planar inductor.
US11189919B2 Beam-forming circuit for 5G mobile communication and radar
A beam-forming circuit includes a multi mode power amplifier, a variable gain low noise amplifier, a variable gain phase shifter and a first switch circuit. The multi mode power amplifier amplifies a first RF intermediate signal generated based on a first RF input signal to generate a first RF output signal and performs a first transmission gain adjustment function based on a first control signal in a transmission mode. The variable gain low noise amplifier amplifies a second RF input signal to generate a second RF intermediate signal and performs a first reception gain adjustment function based on a second control signal in a reception mode. The variable gain phase shifter controls a gain and a phase of the first RF input signal at one time to generate the first RF intermediate signal and performs a second transmission gain adjustment function and a transmission phase adjustment function at one time based on a third control signal in the transmission mode, and controls a gain and a phase of the second RF intermediate signal at one time to generate a second RF output signal and performs a second reception gain adjustment function and a reception phase adjustment function at one time based on the third control signal in the reception mode. The first switch circuit receives the first RF input signal in the transmission mode, and outputs the second RF output signal in the reception mode.
US11189915B2 Systems and methods for an antenna of an implantable electronic device
Disclosed herein is an implantable electronic device including a housing containing an electrical circuit. The implantable electronic device further includes an antenna assembly coupled to the electrical circuit. The antenna assembly includes an antenna including a dielectric antenna body within which an antenna trace is disposed. Portions of the antenna trace are disposed in offset transverse layers in a non-overlapping arrangement, thereby reducing capacitive coupling between the layers of the antenna trace. In certain implementations, the antenna assembly includes one or more capacitive features that selectively overlap portions of the antenna trace and facilitate tuning of the antenna.
US11189907B2 Three-dimensional electronic circuit
The present disclosure relates to an electronic circuit having a three-dimensional design by comprising a set of two-dimensional electronic circuits, wherein the two-dimensional electronic circuits are coupled with each other by radiation. The disclosure further relates to a radar antenna system.
US11189904B2 Antenna apparatus
The disclosed technology includes an antenna system having a radio and an antenna disposed proximate a first end of a separate and distinct mast. The mast can include a data transmission cable that can be in electrical communication with the radio and antenna. A microcontroller can be disposed proximate a second end of the mast, and the microcontroller can be in electrical communication with the data transmission cable and can be configured to control operation of the radio.
US11189901B2 Using phased arrays of waveguide couplers in waveguide cavities to prevent illegitimate reception of power
Example embodiments are directed to systems and methods for denying power to unauthorized power loads within a spherical waveguide bounded by the Earth's surface. One or more eigenmodes of the Earth-ionosphere waveguide may be computed based on a mathematical model incorporating electrical properties of the terrestrial surface and plasma physics of the ionosphere. A phased array of wave guide couplers, each including an array of electrically-connected waveguide-coupling elements, may be configured at different geographic locations for coupling to the one or more eigenmodes and generating standing waves in the Earth-ionosphere waveguide. Power loads may be detected via power reflections, and power nodes and nulls of the standing waves may be steered with respect to specified locations by adjusting relative phases and/or amplitudes of the waveguide couplers. Locations of power loads may be triangulating reflections. Power nulls of the standing waves may be steered to locations of unauthorized power loads.
US11189893B2 Battery module
The present invention provides a battery module, including a plurality of battery cells, a plurality of conductive sheets, and at least one plastic protective layer, wherein each conductive sheet is connected in series or in parallel with a plurality of battery cells. The plastic protective layer is formed on the partial surface of the conductive sheet by injection molding to prevent the electrolyte leaked from the defective battery cell from contacting the conductive sheet, causing rise in temperature of the battery cell and causes melt or explosion of the battery cell, which is helpful to improve the safety of the battery module.
US11189891B2 Energy storage apparatus, vehicle, and motorcycle
An energy storage apparatus includes: an external terminal connected to an energy storage device; a current cut-off device disposed on a current path connecting the energy storage device and the external terminal to each other; a voltage applying circuit that applies a voltage to the external terminal using the energy storage device or another circuit as a power source; and a control device. The control device is configured to perform: current cut-off processing for cutting off flowing of a current into the energy storage device by bringing the current cut-off device into an OPEN state; detecting processing for detecting a voltage of the external terminal to which a voltage is applied by the voltage applying circuit during a period in which the flowing of the current is cut off by the current cut-off processing; and determining processing for determining a presence or a non-presence of a short-circuiting object.
US11189890B2 Cap assembly and secondary battery
The disclosure relates to a cap assembly and a secondary battery. The cap assembly includes: a cap plate including a main portion and a convex portion, the main portion including a first surface, a second surface and an electrode lead-out hole; an electrode terminal including an extension portion that extends beyond a hole wall of the electrode lead-out hole and extends in a circumferential direction of the electrode lead-out hole to form a ring structure, and the extension portion is arranged on a side of the first surface away from the second surface; and a sealing ring at least partially disposed between the extension portion and the main portion. The convex portion is disposed on the second surface and around the electrode lead-out hole, and a top surface of the convex portion extends out of the second surface.
US11189888B2 Mobile power pack combination
A mobile power pack combination of the present invention includes a first mobile power pack and at least a second mobile power pack. The first mobile power pack has a first housing. The first housing is disposed with a first charging unit and a first probe-type connector connected to the first charging unit. The second mobile power pack has a second housing. The second housing is disposed with a second charging unit, a first probe-type connector and a second probe-type connector connected to the second charging unit. When the second mobile power pack is stacked on the first mobile power pack, the second probe-type connector of the second mobile power pack is connected with the first probe-type connector of the first mobile power pack to make electric current conduct. Therefore, the mobile power pack combination provides charging function based on stackable technology and is convenient to carry.
US11189884B2 Cell and battery
The present application discloses a cell and a battery, the cell comprising a first electrode, a second electrode, and a first separator and a second separator that are disposed between the first electrode and second electrode, wherein the first separator includes a first meshing structure beyond the first electrode and the second electrode, the second separator includes a second meshing structure beyond the first electrode and the second electrode, and the first meshing structure is meshed with the second meshing structure along a thickness direction of the cell. The cell provided by the present application can improve the dropping performance of the cell and enhance the safe use of cell.
US11189882B2 Lithium ion battery separator manufactured from composite fibers composed of polypropylene core and alkali-soluble polyester with polyethylene skin and manufacturing method of the same
The present invention relates to a new lithium ion battery separator and a manufacturing method therefor, composite fine-denier POY fibers with polypropylene PP acting as a core and alkali-soluble polyester COPET and polyethylene PE acting as a skin are produced by means of a chemical fiber composite spinning technology, wherein the COPET and PE are distributed as an islands-in-the-sea form, then the POY fibers are arranged as a fabric with a certain breadth by means of beam-warping, the fabric is subjected to stretching and hot-pressing by a hot roll such that the PE component having a low melting point is melted and joined to form a film, and then the COPET is dissolved away by means of an alkali solution such that a place where the COPET is present in the film become pores and PP fibers become the skeleton of the film, thus forming a lithium ion battery separator.
US11189878B2 Battery pack
A battery pack according to an exemplary embodiment of the present invention includes: multiple unit batteries which are positioned in parallel in a first direction; and a pair of connecting members which is attached to both sides of the multiple unit batteries and electrically and physically connects the multiple unit batteries in the first direction. Each of the pair of connecting members includes: multiple battery fixing portions which are attached to the multiple unit batteries, respectively; and at least one deformable portion which is positioned between the multiple battery fixing portions such that at least a part of the deformable portion is in a non-contact state with the multiple unit batteries and the deformable portion is bent by external force.
US11189875B1 Battery systems containing recyclable battery portions
Battery systems containing recyclable battery portions. The present disclosure includes disclosure of a battery system, comprising a housing configured to retain two or more battery portions; two or more battery portions configured to fit within the housing; wherein the housing is configured to fit within a battery compartment of a cart; wherein the two or more battery portions, when effectively connected together using a central connector of the battery system, collectively produce sufficient power to power electronic equipment of the cart; and wherein each of the two or more battery portions weigh at or below a desired threshold weight.
US11189870B2 Lithium air battery
A lithium-air flow battery has minimal cathodic product precipitation, thus extending capacity. The lithium-air flow battery includes a flow electrolyte, flowing proximal to the air cathode, the flow electrolyte having little to no intrinsic lithium ion content. Operation of the lithium-air flow battery generates a lithium-ion concentration gradient across the flow electrolyte, with the lowest lithium-ion concentration adjacent to the air cathode. The extremely low lithium-ion concentration at the cathode, combined with the flow condition at the cathode, results in a minimum of solid product accumulation at the cathode, enabling the cathode to catalyze oxygen reduction for an extended duration.
US11189867B2 Battery packs with integrated cold plates for electric vehicles
Apparatuses, systems, and methods of providing electric power to components in electric vehicles are detailed herein. A housing can have a bottom panel and side walls defining a cavity. The bottom panel can define an inlet port and an outlet port. A battery module can be disposed within the cavity. A support structure can be on one side wall. The support structure can have a conduit to pass coolant through the housing. A cold plate can be disposed within the cavity and thermally coupled with the battery module. The cold plate can have an inlet, an outlet, and a channel to circulate the coolant from the inlet to the outlet. A distribution plate can be disposed along a bottom surface of the bottom panel. The distribution plate can have a main channel to convey the coolant from the conduit to the cold plate.
US11189862B2 High voltage 10, 11, and 12-vertex carborane and borane electrolytes, their use in rechargable batteries, and processes for their preparation
The present disclosure provides electrolytes for an electrochemical device. In some embodiments, these electrolytes are Mg salts comprising 10-vertex or 12-vertex carborane anions. The present disclosure also provides processes for preparing electrolytes for an electrochemical device. In some embodiments, the process comprises reduction of a reactive cation complexed with a 10-vertex or 12-vertex carborane or 12-vertex borate anion to form metal carborane or borate electrolytes. In some embodiments, the process comprises comproportionating a Mg+2 10-vertex or 12-vertex carborane salt to form a Mg+1 electrolyte comprising a 10-vertex or 12-vertex carborane. The present disclosure further provides electrochemical devices comprising the electrolytes disclosed herein. In some embodiments, the electrochemical device comprises an electrolyte that is stable at an electrical potential greater than 4 V vs Mg0/+2. Also provided herein are heterocyctes bearing the 10, 11, and 12 vertex carborane anions for application as catalyst and battery electrolyte components. The methods of making are also disclosed.
US11189858B2 Electricity storage module
An electricity storage module includes: a laminate including a plurality of bipolar electrodes, each bipolar electrode including an electrode plate, a positive electrode, and a negative electrode; a frame body holding an edge portion of the electrode plate and including an opening that communicates with internal spaces; and a pressure regulating valve connected to the opening. Each internal space is provided between the bipolar electrodes. Each internal space accommodates an electrolytic solution. An exhaust port and a communication space are provided in the pressure regulating valve. The exhaust port is provided for exhausting gas to an external space. The communication space communicates with the exhaust port. The communication space includes a space portion positioned below a lower end of the exhaust port.
US11189857B2 Battery module
The present disclosure relates to the technical field of battery, and particularly to a battery module. The battery module includes a case body having a cavity, a plurality of battery units accommodated in the cavity of the case body, an output electrode assembly disposed on the case body and electrically connected to output terminals of the plurality of battery units, and an end cap connected to the case body and arranged to press and cover at least a part of the output electrode assembly. The battery module according to the present disclosure has a sound design, through which the airtightness of the output electrode assembly is not liable to be broken during the running of the vehicle.
US11189856B2 Method and production equipment for producing a battery and motor vehicle with a corresponding battery
A method and production equipment for producing a battery and a motor vehicle with such a battery. In the method, at least one battery module is positioned and attached in a provided battery housing such that it covers at least one gap provided in a housing base of the battery housing. The housing base is then bent, outward along the gap, whereby a cavity is enlarged between the battery module and the housing base. A viscous heat-conductive filler is then supplied into the cavity through the gap. Subsequently, the bending of the housing base is reversed by pushing the housing base back in the direction of the battery module.
US11189855B1 Redox mediators as electrolyte additives for alkaline battery cells
A redox mediator-containing electrolyte incorporated into a battery cell is described. The redox mediator-containing electrolyte includes water, at least one hydroxide salt dissolved in the water, and at least one redox mediator incorporated into the water. The at least one redox mediator increases at least one of a rate capability or a cycle life of the battery cell by at least 10%. Also described are battery cells that may include a positive electrode, a negative electrode, and the redox mediator-containing electrolyte. The battery cells may further include an ion-selective material that diffuses hydroxide ions through the material at a faster rate than at least one of the redox mediators.
US11189844B2 Alkaline dry cell
An alkaline dry cell includes a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and an electrolytic solution contained in the positive electrode, the negative electrode, and the separator, wherein the electrolytic solution contains an alkaline aqueous solution. The negative electrode contains an additive and a negative electrode active material containing zinc; and the additive contains at least one selected from the group consisting of benzoic acid, phthalic acid, isophthalic acid, and salts of the foregoing. The amount of the negative electrode active material contained in the negative electrode is from 176 to 221 parts by mass relative to 100 parts by mass of water contained in the electrolytic solution. The amount of the additive contained in the negative electrode is from 0.1 to 1.0 part by mass relative to 100 parts by mass of the negative electrode active material.
US11189842B2 Electrochemical cell
An electrochemical cell includes a fuel electrode, an air electrode containing a perovskite type oxide as a main component, the perovskite type oxide being represented by a general formula ABO3 and containing La and Sr at the A site, and a solid electrolyte layer arranged between the fuel electrode and the air electrode. The air electrode includes a first portion and a second portion, the first portion being located on the most upstream side in a flow direction of an oxidant gas that flows through a surface of the air electrode, the second portion being located on the most downstream side in the flow direction. A first ratio of a La concentration to a Sr concentration detected at the first portion through Auger electron spectroscopy is at least 1.1 times a second ratio of a La concentration to a Sr concentration detected at the second portion through Auger electron spectroscopy.
US11189841B2 Method for producing electrode catalyst, and electrode catalyst
This method for producing an electrode catalyst includes: a dispersion liquid preparation step wherein a dispersion liquid is prepared by mixing (i) at least one solvent selected from the group consisting of sulfoxide compounds and amide compounds, (ii) a catalyst carrier powder composed of a metal oxide, (iii) a platinum compound, (iv) a transition metal compound and (v) an aromatic compound that contains a carboxyl group; a loading step wherein the dispersion liquid is heated so that a platinum alloy of platinum and a transition metal is loaded on the surface of the catalyst carrier powder; a solid-liquid separation step wherein a dispersoid is separated from the dispersion liquid after the loading step, thereby obtaining a catalyst powder wherein the catalyst carrier powder is loaded with the platinum alloy; and a heat treatment step wherein the catalyst powder is heated under vacuum or in a reducing gas atmosphere.
US11189839B2 Metal-supported electrochemical element, solid oxide fuel cell and method of manufacturing such metal-supported electrochemical element
Realized is an element having an electrolyte layer that is dense and has high gas barrier characteristics. A metal-supported electrochemical element includes at least a metal substrate as a support, an electrode layer formed on/over the metal substrate, a buffer layer formed on the electrode layer, and an electrolyte layer formed on the buffer layer. The electrode layer is porous and the electrolyte layer is dense. The buffer layer has density higher than density of the electrode layer and lower than density of the electrolyte layer.
US11189837B2 Metal porous body and method for manufacturing metal porous body
A metal porous body having a connection portion where end portions in a longitudinal direction X of at least two long sheet-shaped metal porous materials are connected in a manner overlapping with each other, each of the metal porous materials having a frame with a three-dimensional network structure, the metal porous body having a recess with a thickness thinner than a thickness of each of the metal porous materials, in the connection portion, the frames of the at least two metal porous materials being entangled with each other, in the recess.
US11189836B2 Encapsulated sulfur cathodes for rechargeable lithium batteries
A method of forming a sulfur-based cathode material includes: 1) providing a sulfur-based nanostructure; 2) coating the nanostructure with an encapsulating material to form a shell surrounding the nanostructure; and 3) removing a portion of the nanostructure through the shell to form a void within the shell, with a remaining portion of the nanostructure disposed within the shell.
US11189830B2 Aqueous solution electrolyte secondary battery
An aqueous solution electrolyte secondary battery includes: a positive electrode including a positive electrode active material that reversibly occludes and releases lithium ions; a negative electrode including a negative electrode active material that reversibly occludes and releases lithium ions; and an aqueous solution electrolyte in which a lithium salt is dissolved. The negative electrode active material contains Mo, at least part of the Mo causes an oxidation-reduction reaction of Mo3+/Mo6+ through charging and discharging, and a potential window for charging and discharging exceeds 2.0 V.
US11189824B2 Method and apparatus for applying magnetic fields to an article
Processes for applying magnetic fields to articles such as a layer or layer-coated articles, and more particularly to coatings having graphite particles, preferably for manufacture of negative electrodes having aligned graphite particles, for example for fast-charging lithium-ion batteries. The application of magnetic fields may be continuous. For this, magnetic tools with permanent magnets may be used for applying magnetic fields, wherein an article is moved relative to a magnetic tool. Application of magnetic field is made before the initiation of a drying phase and/or during a drying phase.
US11189823B2 Power battery and positive electrode plate thereof
The present invention provides a power battery and a positive electrode plate thereof. The positive electrode plate includes a positive current collector and a positive active material layer formed on the positive current collector. The positive active material layer contains a mixture of lithium iron phosphate and FeF3, or a mixture of lithium iron phosphate and LiFe2F6, or a mixture of lithium iron phosphate, FeF3 and LiFe2F6. FeF3 or LiFe2F6 has a high gram capacity of more than 200 mAh/g and has a charge and discharge interval close to that of lithium iron phosphate, which can improve the energy density and the safety performance of the power battery.
US11189821B2 Electrochemical device
This application relates to an electrochemical device. The electrochemical device comprises a positive electrode plate, a negative electrode plate and an electrolyte, wherein the positive electrode plate comprises a current collector, a positive electrode active material layer and a safety coating disposed between the current collector and the positive electrode active material layer; the safety coating comprises a polymer matrix, a conductive material and an inorganic filler; wherein based on the total weight of the polymer matrix, the conductive material and the inorganic filler, the polymer matrix is present in a content of from 35 wt % to 75 wt %, the conductive material is present in a content of from 5 wt % to 25 wt %, and the inorganic filler is present in a content of from 10 wt % to 60 wt %; and the electrolyte has a viscosity at normal temperature of ≤4 cp.
US11189820B2 Method for manufacturing secondary battery and secondary battery using same
The present invention relates to a method for manufacturing a secondary battery and a secondary battery using the same, which can improve the quality of a cut surface of an electrode plate and improve the reliability of the secondary battery. For example, disclosed is a method for manufacturing a secondary battery, the method comprising: an active material layer forming step of forming an active material layer by coating an active material on both surfaces of a collector plate; an active material layer removing step of removing a part of the active material layer by irradiating a laser beam to the both surfaces of the collector plate; and a cutting step of cutting the collector plate by irradiating a laser beam onto the collector plate from which the active material layer has been removed in the active material layer removing step.
US11189819B2 Dual function current collector
A battery can include a separator, a first current collector, a protective layer, and a first electrode. The first current collector and the protective layer can be disposed on one side of the separator. The first electrode can be disposed on an opposite side of the separator as the first current collector and the protective layer. Subjecting the battery to an activation process can cause metal to be extracted from the first electrode and deposited between the first current collector and the protective layer. The metal can be deposited to at least form a second electrode between the first current collector and the protective layer.
US11189815B2 Display panel
A display panel can include a substrate including first, second and third subpixels; an overcoat layer including a first inclined surface in at least one of the first, second and third subpixels; first, second and third anode electrodes corresponding to the first, second and third subpixels, respectively, wherein at least one of the first, second and third anode electrodes includes a second inclined surface overlapping with the first inclined surface of the overcoat layer; first, second and third organic light emitting layers disposed on the first, second and third anode electrodes, respectively; and a bank layer disposed on the overcoat layer, the bank layer including a third inclined surface overlapping with both the first and second inclined surfaces of the overcoat layer and the at least one of the first, second and third anode electrodes, in which at least one of the first, second and third inclined surfaces is configured to reflect light emitted from a corresponding one of the first, second and third organic light emitting layers.
US11189808B2 Platinum complexes and devices
Platinum compounds of Formulas I and II useful in a variety of devices, such as, for example organic-light emitting diodes (OLEDs).
US11189806B2 Heteroleptic carbene complexes and the use thereof in organic electronics
The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.
US11189805B2 Organic electroluminescent materials and devices
Heteroleptic iridium complexes having the formula are disclosed. In this formula, R1, R2, R3, R4, R5, and R6, are selected from hydrogen, deuterium, cycloalkyl, deuterated cycloalkyl, alkyl, and deuterated alkyl, and can optionally be linked together to form a ring; at least one of R1, R2, R3, R4, R5, and R6 is cycloalkyl, deuterated cycloalkyl, alkyl, or deuterated alkyl; ring A is attached to the 4- or 5-position of ring B; and R and R′ can represent any of a variety of subsitutents. These iridium compounds contain alkyl substituted phenylpyridine ligands, which provide these compounds with beneficial properties when the iridium complexes are incorporated into OLED devices.
US11189802B2 Organic electroluminescent element
There is provided an organic EL element having high efficiency and high driving stability despite having a low driving voltage. An organic electroluminescent element has a light-emitting layer between an anode and a cathode which face each other, and the light-emitting layer contains a first host selected from among indolocarbazole compounds represented by formula (1), a second host selected from among biscarbazole compounds represented by formula (2), and a light-emitting dopant material:
US11189800B2 Heterocyclic compound and organic light emitting device comprising the same
The present disclosure relates to a cyclic compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. The cyclic compound used as a material of an organic material layer of the organic light emitting device provides a low driving voltage and an improved lifetime characteristic of the organic light emitting device.
US11189797B2 Display panel, plasma etching method and system
Provided are a display panel, a plasma etching method and a system. After patterning a metal film layer on a substrate with a chlorine-containing gas, a post-treatment for suppressing corrosion is implemented by using plasma containing an oxygen-containing gas and a hydrogen-fluoride-containing gas. Thus, the surface of the metal film layer is an aluminum ion-containing crystal, which solves the technical problem of corrosion of the aluminum layer in the plasma etching technology of the prior art.
US11189790B2 Spacer-based patterning for tight-pitch and low-variability random access memory (RAM) bit cells and the resulting structures
Spacer-based patterning for tight-pitch and low-variability random access memory (RAM) bit cells, and the resulting structures, are described. In an example, a semiconductor structure includes a substrate having a top layer. An array of non-volatile random access memory (RAM) bit cells is disposed on the top layer of the substrate. The array of non-volatile RAM bit cells includes columns of non-volatile RAM bit cells along a first direction and rows of non-volatile RAM bit cells along a second direction orthogonal to the first direction. A plurality of recesses is in the top layer of the substrate, along the first direction between columns of the array of non-volatile RAM bit cells.
US11189789B2 Resistive random-access memory (RRAM) cell with recessed bottom electrode sidewalls
Various embodiments of the present application are directed towards an integrated circuit comprising a resistive random-access memory (RRAM) cell with recessed bottom electrode sidewalls to mitigate the effect of sidewall plasma damage. In some embodiments, the RRAM cell includes a lower electrode, a data storage element, and an upper electrode. The lower electrode includes a pair of recessed bottom electrode sidewalls respectively on opposite sides of the lower electrode. The data storage element overlies the lower electrode and includes a pair of storage sidewalls. The storage sidewalls are respectively on the opposite sides of the lower electrode, and the recessed bottom electrode sidewalls are laterally spaced from and laterally between the storage sidewalls. The upper electrode overlies the data storage element.
US11189787B2 Method for forming a phase change memory (PCM) cell with a low deviation contact area between a heater and a phase change element
A phase change memory (PCM) cell with a low deviation contact area between a heater and a phase change element is provided. The PCM cell comprises a bottom electrode, a dielectric layer, a heater, a phase change element, and a top electrode. The dielectric layer overlies the bottom electrode. The heater extends upward from the bottom electrode, through the dielectric layer. Further, the heater has a top surface that is substantially planar and that is spaced below a top surface of the dielectric layer. The phase change element overlies the dielectric layer and protrudes into the dielectric layer to contact with the top surface of the heater. Also provided is a method for manufacturing the PCM cell.
US11189785B2 Magnetoresistive stack/structure and method of manufacturing same
A method of manufacturing a magnetoresistive stack/structure comprising (a) etching through a second magnetic region to (i) provide sidewalls of the second magnetic region and (ii) expose a surface of a dielectric layer, (b) depositing a first encapsulation layer on the sidewalls of the second magnetic region and over a surface of the dielectric layer. (c) thereafter: (i) etching the first encapsulation layer which is disposed over the dielectric layer using a first etch process, and (ii) etching re-deposited material using a second etch process, wherein, after such etching, a portion of the first encapsulation layer remains on the sidewalls of the second magnetic region, (d) etching (i) through the dielectric layer to form a tunnel barrier and provide sidewalls thereof and (ii) etching the first magnetic region to provide sidewalls thereof, and (e) depositing a second encapsulation layer on the sidewalls of the tunnel barrier and first magnetic region.
US11189776B2 Piezoelectric element and method for manufacturing piezoelectric element
This piezoelectric element includes a lower electrode formed on a substrate, a piezoelectric layer formed on the lower electrode, and an upper electrode formed on the piezoelectric layer. The upper electrode includes a first upper electrode layer made of a metal oxide including an amorphous portion at least at a boundary with the piezoelectric layer and a second upper electrode layer formed on the first upper electrode layer.
US11189773B2 Superconductor thermal filter
A superconductor thermal filter is disclosed that includes a normal metal layer having a first side, an insulating layer overlying the first side of the normal metal layer, and a multilayer superconductor structure having a first side overlying a side of the insulating layer opposite the side that overlies the normal metal layer. The multilayer superconductor structure is comprised of a plurality of superconductor layers with each superconductor layer having a smaller superconducting energy band gap than the preceding superconductor as the superconductor layers extend away from the normal metal layer. The thermal filter further includes a normal metal layer quasiparticle trap having a first side and a second side with the first side being disposed on a second side of the multilayer superconductor. A bias voltage is applied between the normal metal layer and the normal metal layer quasiparticle trap to remove hot electrons from the normal metal layer.
US11189766B2 Light emitting diode packages
Solid-state lighting devices including light-emitting diodes (LEDs) and LED packages are disclosed. LED packages are provided with improved thermal and/or electrical coupling between LED chips and submounts or lead frames. Various configurations of submounts with via arrangements are disclosed to provide improved coupling between LED chips and submounts. LED chip contacts are disclosed with one or more openings that are registered with vias to provide more uniform mounting. Multiple LED chips may be arranged around a thermally conductive element on a submount, and a via in the submount may be registered with the thermally conductive element. Subassemblies are provided between LED chips and lead frames to improve electrical and thermal coupling. Underfill materials may be arranged between LED chips and lead frames to provide improved mechanical support.
US11189764B2 Light-emitting device and manufacturing method thereof
A light-emitting device includes: a base body comprising a resin member, a first lead, and a second lead, wherein the first lead and the second lead are supported by the resin member; a light-emitting element mounted on an upper surface of the base body; a resin frame located on the upper surface of the base body, surrounding the light-emitting element; and a first resin located inside the resin frame to cover a part of side surfaces of the light-emitting element, a part of an inner side surface of the resin frame, and the upper surface of the base body, wherein the first resin includes: a reflection material layer that contains a reflection material, and a resin layer that is located on an upper surface of the reflective material layer and does not contain the reflective material.
US11189763B2 Backlight structure
A backlight structure is provided. The backlight structure includes a substrate, a light emitting diode array layer disposed on the substrate, a planarization layer disposed on the light emitting diode array layer, a composite medium layer disposed on the planarization layer, a metal gate line layer including a plurality of metal lines disposed on the composite medium layer, a fluorescent layer disposed on the metal gate line layer, and a diffusion layer disposed on the fluorescent layer, wherein the composite medium layer includes a first medium, a second medium, and a third medium, the second medium is interposed between the first medium and the third medium, and each of a refractive index of the first medium and a refractive index of the third medium is less than a refractive index of the second medium.
US11189760B2 Display device
A display device that can reduce power consumption is provided. The display device can include a substrate provided with a first subpixel and a second subpixel, a first electrode provided on the substrate, a first light emitting layer provided on the first electrode and emitting light of a first color, a second electrode provided on the first light emitting layer, a second light emitting layer provided on the second electrode and emitting light of a second color, and a third electrode provided on the second light emitting layer. The second electrode is disconnected between the first subpixel and the second subpixel, and the second electrode of the first subpixel is electrically connected with the third electrode.
US11189755B2 Light emitting diode having side reflection layer
A light emitting diode including a side reflection layer. The light emitting diode includes: a semiconductor stack and a light exit surface having a roughened surface through which light generated from an active layer is emitted; side surfaces defining the light exit surface; and a side reflection layer covering at least part of the side surfaces. The light exit surface is disposed over a first conductivity type semiconductor layer opposite to the ohmic reflection layer, all layers from the active layer to the light exit surface are formed of gallium nitride-based semiconductors, and a distance from the active layer to the light exit surface is 50 μm or more.
US11189752B2 Nanowire structure and method for producing such a structure
A process for producing a structure (100) comprising a membrane (3) of a first material, in particular indium-tin oxide, in contact with receiving ends (13) of a plurality of nanowires (1), the process comprising forming a nanowire device (10) comprising the receiving ends (13), the receiving ends being formed so as to form planar surfaces, and (ii) placing, especially by transfer, a membrane device (3; 34) directly on the nanowires the planar surfaces of the ends for receiving the membrane.
US11189749B2 Transfer apparatus and transfer method for transferring light emitting diode chip
A transfer apparatus for transferring a plurality of light emitting diode chips, comprising a stage on which a first substrate having the plurality of light emitting diode chips mounted on one surface is placed, a work table on which a second substrate to which the plurality of light emitting diode chips are to be transferred is placed, and a push pin module for transferring the plurality of light emitting diode chips to the second substrate by pushing the other surface of the first substrate in a state that one surface of the first substrate and the second substrate are disposed to face each other, wherein the push pin module includes a plurality of push pin units each including a push pin for pushing the other surface of the first substrate, and the push pin module transfers the plurality of light emitting diode chips corresponding to each push pin of the plurality of push pin units to the second substrate at a time.
US11189747B1 Solar panel and method for producing the solar panel
A method for producing a solar panel includes producing a tile. Producing the tile includes bonding an electrical insulation layer and a front face sheet layer together to produce a front portion of a substrate. Producing the tile also includes bonding the front portion of the substrate and a cell together. Producing the tile also includes bonding the front portion of the substrate and a wire together. The method also includes bonding a honeycomb core layer and a back face sheet layer to produce a back portion of the substrate. The method also includes bonding the tile and the back portion of the substrate together to produce the solar panel.
US11189746B2 Photodetector comprising dual cells with different thickness of interposing substrates, photodetection device, laser imaging detection and ranging apparatus and method of manufacturing a photodetector
A photodetector includes a first cell for converting incident light into electric charges, the first cell including a first semiconductor layer, a second semiconductor layer and a first substrate interposing the first semiconductor layer with the second semiconductor layer; and a second cell for converting incident light into electric charges, the second cell including a third semiconductor layer, a fourth semiconductor layer, and a second substrate interposing the third semiconductor layer with the fourth semiconductor layer; wherein the second substrate is larger in thickness than the first substrate.
US11189745B2 Light sensor circuit, light sensor device, and display device
The problem of the present disclosure is to provide a photo sensor circuit that uses oxide semiconductor transistors and the operation of which is stable. The photo sensor circuit includes: a photo transistor; a first switching transistor; a second switching transistor; and a capacitance element. The photo transistor includes: a gate connected to a first wiring; a source connected to a second wiring; and a drain. The first switching transistor includes: a gate connected to a third wiring; a source connected to a fourth wiring; and a drain connected to the drain of the photo transistor. The capacitance element includes: a first terminal connected to the drain of the photo transistor; and a second terminal connected to the source of the first switching transistor. The second switching transistor includes: a gate connected to a gate line; a source connected to a signal line; and a drain connected to the first terminal of the capacitance element. Each of the photo transistor, the first switching transistor, and the second transistor includes an oxide semiconductor layer as a channel layer.
US11189741B2 Photodiode device, photodiode detector and methods of fabricating the same
According to an embodiment, a method of fabricating a photodiode device may include: growing an epitaxial layer on a first surface of a substrate, wherein the epitaxial layer is first type lightly doped; forming, in the substrate, a first type heavily doped region in contact with the first type lightly doped epitaxial layer; thinning the substrate from a second surface of the substrate opposite to the first surface to expose the first type heavily doped region; patterning the first type heavily doped region from the second surface side of the substrate to form a trench therein, that penetrates through the first type heavily doped region and extends into the epitaxial layer, to serve as a first electrode region of the photodiode device; and forming a second type heavily doped region at bottom of the trench, to serve as a second electrode region of the photodiode device.
US11189736B2 Semiconductor device and manufacturing method thereof
A minute transistor is provided. A transistor with low parasitic capacitance is provided. A transistor having high frequency characteristics is provided. A semiconductor device including the transistor is provided. The semiconductor device includes an oxide semiconductor; a second insulator; a first conductor and a first insulator that are embedded in the second insulator; a second conductor; a third conductor; and a third insulator covering the oxide semiconductor. The oxide semiconductor includes a region where an angle formed between a plane that is parallel to a bottom surface of the oxide semiconductor and the side surface of the oxide semiconductor is greater than or equal to 30° and less than or equal to 60°.
US11189734B2 Semiconductor device and display device
A semiconductor device including a first oxide semiconductor layer, a first gate electrode opposing the first oxide semiconductor layer, a first gate insulating layer between the first oxide semiconductor layer and the first gate electrode, a first insulating layer covering the first oxide semiconductor layer and having a first opening, a first conductive layer above the first insulating layer and in the first opening, the first conductive layer being electrically connected to the first oxide semiconductor layer, and an oxide layer between an upper surface of the first insulating layer and the first conductive layer, wherein the first insulating layer is exposed from the oxide layer in a region not overlapping the first conductive layer in a plan view.
US11189729B2 Forming a sacrificial liner for dual channel devices
A semiconductor device includes one or more fins. Each fin includes a top channel portion formed from a channel material, a middle portion, and a bottom substrate portion formed from a same material as an underlying substrate. An oxide layer is formed between the bottom substrate portion of each fin and the isolation layer, with a space between a sidewall of at least a top portion of the isolation dielectric layer and an adjacent sidewall of the one or more fins, above the oxide layer. A gate dielectric, protruding into the space and in contact with the middle portion, is formed over the one or more fins and has a portion formed from a material different from the oxide layer.
US11189728B2 Method of manufacturing a semiconductor device and a semiconductor device
A semiconductor device includes an isolation insulating layer disposed over a substrate, a semiconductor fin disposed over the substrate, an upper portion of the semiconductor fin protruding from the isolation insulating layer and a lower portion of the semiconductor fin being embedded in the isolation insulating layer, a gate structure disposed over the upper portion of the semiconductor fin and including a gate dielectric layer and a gate electrode layer, gate sidewall spacers disposed over opposing side faces of the gate structure, and a source/drain epitaxial layer. The upper portion of the semiconductor fin includes a first epitaxial growth enhancement layer made of a semiconductor material different from a remaining part of the semiconductor fin. The first epitaxial growth enhancement layer is in contact with the source/drain epitaxial layer. The gate dielectric layer covers the upper portion of the semiconductor fin including the first epitaxial growth enhancement layer.
US11189720B2 Silicon carbide semiconductor device and power converter
In an SiC-MOSFET with a built-in Schottky diode, a bipolar current may be passed in a second well region formed at a terminal part to reduce the breakdown voltage of the terminal part. In the SiC-MOSFET with the built-in Schottky diode, a source electrode forming non-ohmic connection such as Schottky connection with the second well region is provided on the second well region formed below a gate pad in the terminal part. By the absence of ohmic connection between the second well region and the source electrode, reduction in breakdown voltage is suppressed at the terminal part.
US11189719B2 Apparatus and circuits including transistors with different gate stack materials and methods of fabricating the same
Apparatus and circuits including transistors with different gate stack materials and methods of fabricating the same are disclosed. In one example, a semiconductor structure is disclosed. The semiconductor structure includes: a substrate; a channel layer formed over the substrate; a first transistor formed over the channel layer, wherein the first transistor comprises a first source region, a first drain region, a first gate structure, and a first polarization modulation portion under the first gate structure; and a second transistor formed over the channel layer, wherein the second transistor comprises a second source region, a second drain region, a second gate structure, and a second polarization modulation portion under the second gate structure, wherein the first polarization modulation portion is made of a material different from that of the second polarization modulation portion.
US11189718B2 Semiconductor device with suppressed self-turn-on
According to one embodiment, a semiconductor device includes first, second and third electrodes, first and second semiconductor layers, a first conductive part, first and second insulating layers. The third electrode includes first and second portions. The first portion is between the first electrode and the second electrode. The first semiconductor layer includes first, second, third, fourth and fifth partial regions. The third partial region is between the first and second partial regions. The fourth partial region is between the first and third partial regions. The fifth partial region is between the third and second partial regions. The second semiconductor layer includes first and second semiconductor regions. The first conductive part is electrically connected to the first electrode. The first insulating layer includes a first insulating portion. The second insulating layer includes first and second insulating regions.
US11189717B2 Steep slope transistors with threshold switching devices
A steep-slope (SS) field effect transistor (FET) including a FET having a source region and a drain region, and a threshold switching device in direct contact with the source region or the drain region of the FET. Fabricating the steep-slope (SS) field effect transistor (FET) includes fabricating an AlGaN/GaN metal-insulator-semiconductor high electron mobility transistor (MIS-HEMT) having a source region and a drain region, depositing a first electrode layer directly on the source region or the drain region, depositing a threshold switching layer directly on the first electrode layer, and depositing a second electrode layer directly on the threshold switching layer.
US11189716B2 Open type heterojunction transistor having a reduced transition resistance
A normally-off heterojunction field-effect transistor is provided, including a superposition of a first layer, of III-N type, and of a second layer, of III-N type, so as to form a two-dimensional electron gas; a stack of an n-doped third layer making electrical contact with the second layer, and of a p-doped fourth layer placed in contact with and on the third layer, a first conductive electrode and a second conductive electrode making electrical contact with the two-dimensional electron gas; a dielectric layer disposed against a lateral face of the fourth layer; and a control electrode separated from the lateral face of the fourth layer by the dielectric layer.
US11189712B2 Formation of vertical transport field-effect transistor structure having increased effective width
A method for manufacturing a semiconductor device includes forming a plurality of fins on a substrate. The plurality of fins each include a first portion having a first width, and a second portion having a second width greater than the first width. The method also includes forming a sacrificial layer on the substrate in a space between a first fin and a second fin of the plurality of fins, wherein the first fin and the second fin correspond to a vertical transistor. In the method, lower portions of the first and second fins are removed, and an epitaxial region is formed under remaining portions of the first and second fins. The sacrificial layer is removed from the space between the first fin and the second fin after forming the epitaxial region.
US11189711B2 Semiconductor structures
A semiconductor device includes a semiconductor substrate; a plurality of semiconductor fin structures formed on the semiconductor substrate; a plurality of gate structures, each formed on a semiconductor fin structure; a source electrode and a drain electrode formed on two opposite sides of each gate structure, wherein, at least a portion of the source electrode and at least a portion of the drain electrode are formed in the semiconductor fin structure; a covering layer formed on the semiconductor fin structures and also on two side surfaces of each gate structure; and an interlayer dielectric layer formed on the covering layer, wherein the interlayer dielectric layer covers each source electrode and each drain electrode, a trench is formed in the interlayer dielectric layer to expose a portion of each semiconductor fin structure, and a gate structure is formed in each trench.
US11189705B2 Methods of reducing parasitic capacitance in multi-gate field-effect transistors
A semiconductor structure includes a stack of semiconductor layers disposed over a substrate, a first metal gate stack disposed over the stack of semiconductor layers, a second metal gate stack interleaved between the stack of semiconductor layers, a source/drain (S/D) feature disposed in the stack of semiconductor layers, and an S/D contact disposed over the S/D feature. In many examples, the S/D feature is separated from a sidewall of the second metal gate stack by a first air gap and the S/D contact is separated from a sidewall of the first metal gate stack by a second air gap.
US11189703B2 Semiconductor device with trench structure having differing widths
A semiconductor device includes a semiconductor layer that has a first surface and a second surface, a trench that is formed at the first surface of the semiconductor layer and that extends in a first direction, an element portion that has a first-conductivity-type first region, a second-conductivity-type second region, and a third-conductivity-type third region that are formed in order along a depth direction of the trench from the first surface of the semiconductor layer, a gate insulating film formed at an inner surface of the trench, and a gate electrode that is embedded in the trench and that faces the first region, the second region, and the third region through the gate insulating film.
US11189702B2 Split gate semiconductor with non-uniform trench oxide
Split gate semiconductor with non-uniform trench oxide. A metal oxide semiconductor field effect transistor (MOSFET) comprises a plurality of parallel trenches. Each such trench comprises a first electrode coupled to a gate terminal of the MOSFET and a second electrode, physically and electrically isolated from the first electrode. The second electrode is beneath the first electrode in the trench. The second electrode includes at least two different widths at different depths below a primary surface of the MOSFET. The trenches may be formed in an epitaxial layer. The epitaxial layer may have a non-uniform doping profile with respect to depth below a primary surface of the MOSFET. The second electrode may be electrically coupled to a source terminal of the MOSFET.
US11189701B1 Bipolar junction transistor with vertically integrated resistor
Vertical bipolar junction transistors (VBJTs), each with one or more resistors connected in a circuit in different circuit configurations, are disclosed. The VBJT has an emitter substructure that includes an emitter layer, a collector, an intrinsic base, one or more doped epitaxy regions, and one or more resistors. The intrinsic base, the doped epitaxy region(s), and the resistor(s) are stacked upon one another in a channel between the emitter layer and the collector. Various circuit configurations and structures are described including a common-collector circuit, a common-emitter circuit, and an emitter-degenerate circuit. Methods of making these configuration/structures are disclosed.
US11189700B2 Fabrication of wrap-around and conducting metal oxide contacts for IGZO non-planar devices
Embodiments of the invention include non-planar InGaZnO (IGZO) transistors and methods of forming such devices. In an embodiment, the IGZO transistor may include a substrate and an IGZO fin formed above the substrate. Embodiments may include a source contact and a drain contact that are formed adjacent to more than one surface of the IGZO fin. Additionally, embodiments may include a gate electrode formed between the source contact and the drain contact. The gate electrode may be separated from the IGZO layer by a gate dielectric. In one embodiment, the IGZO transistor is a finfet transistor. In another embodiment the IGZO transistor is a nanowire or a nanoribbon transistor. Embodiments of the invention may also include a non-planar IGZO transistor that is formed in the back end of line stack (BEOL) of an integrated circuit chip.
US11189693B2 Transistor having reduced contact resistance
An integrated semiconductor device having a substrate, a bottom source or drain (S/D) structure formed on the substrate. In addition, the device includes a fin extending from the bottom S/D structure and a gate formed around the fin. A top S/D structure is formed on top of the fin. The top S/D structure includes a recessed top S/D surface and a silicide layer covering a top portion of the recess. A contact is communicatively coupled to a surface of the silicide layer of the recessed top S/D surface of the top S/D structure.
US11189690B2 Method for forming a superjunction transistor device
A method and a transistor device are disclosed. The method includes: forming first regions of a first doping type and second regions of a second doping type in an inner region and an edge region of a semiconductor body; and forming body regions and source regions of transistor cells in the inner region of the semiconductor body. Forming the first regions and second regions includes: forming semiconductor layers one on top of the other; and in each of the semiconductor layers and before forming a respective next one of the semiconductor layers, forming trenches in the inner region and the edge region and implanting dopant atoms into a first sidewall and a second sidewall of each trench. Implanting the dopant atoms into at least one of the semiconductor layers includes partly covering the trenches in the edge region during an implantation process.
US11189687B2 Semiconductor devices and methods of manufacturing the same
A semiconductor device includes and an active region and a peripheral region. The peripheral region includes a seal region. The semiconductor device includes a substrate and a seed layer one the substrate. The semiconductor device also includes a GaN-containing composite layer on the seed layer, and the GaN-containing composite layer is disposed in the active region and the peripheral region. The semiconductor device also includes a gate electrode, a source electrode and a drain electrode disposed on the GaN-containing composite layer within the active region. The source electrode and the drain electrode are disposed at two opposite sides of the gate electrode. The semiconductor device further includes a sealing structure, and the sealing structure includes a barrier structure and a seal component in the seal region. The barrier structure is disposed around the active region. The barrier structure penetrates the GaN-containing composite layer and the seed layer.