| Document | Document Title |
|---|---|
| US11343949B2 |
Apparatus and method for dispensing a viscous adhesive
An apparatus and a method for dispensing a viscous adhesive for attaching a semiconductor die onto a substrate are provided, where the method comprises the steps of dispensing a volume of viscous adhesive from a nozzle onto the substrate and moving the nozzle away from the substrate such that an adhesive tail is formed between the nozzle and the volume of viscous adhesive. The method further comprises the steps of capturing multiple images of the adhesive tail with an imaging device as the nozzle is moving away from the substrate with an imaging device; and thereafter detecting with the imaging device an instant when the adhesive tail breaks from the volume of viscous adhesive. |
| US11343946B2 |
Cooling system and refrigerant control method for cooling system
A cooling system including a vaporizer configured to absorb heat due to a liquid-phase refrigerant being vaporized, a condenser configured to discharge heat due to a refrigerant in a gaseous phase state being liquefied, a resistance body provided in a middle of a pipe passage ranging from the vaporizer to the condenser and applying a resistance to the refrigerant, state detection sensors provided in the pipe passage on an upstream and downstream sides of the resistance body and detecting a state of the refrigerant flowing through each side inside the pipe passage, and a flow rate controller configured to detect droplets in the refrigerant flowing through the pipe passage on the basis of a difference between detection values of the state detection sensors which are detected on the upstream and downstream sides of the resistance body, and controls a flow rate of the refrigerant on the basis of detection results. |
| US11343942B2 |
Power conversion device including cooling components
The present application has an object of restricting a temperature rise caused by heat generated by an electronic part or a connection member mounted on a substrate, and includes a first heat conducting member that thermally couples the bus bar extended to a housing side and the housing, a second heat conducting member that thermally couples a capacitor and the housing, and a third heat conducting member that thermally couples a semiconductor element and the housing, wherein each of the bus bar, the substrate, the capacitor, and the semiconductor element is cooled. |
| US11343941B2 |
Electronic device, control device, and control method
An electronic device includes: a first heat absorber that absorbs heat of a first heat generating source composed of a first heat generating component generating heat inside the electronic device, and operating during substantially an entire period of an operation period during which the electronic device is configured to receive an input operation of a user on a screen of the electronic device; and a second heat absorber that absorbs heat of a second heat generating source composed of a second heat generating component and that is disposed at a position separated from the first heat absorber, the second heat generating component operating during a part of the operation period. |
| US11343940B2 |
Configurable cold-plates of datacenter cooling systems
A cold plate that is configurable and for a datacenter liquid cooling system is disclosed. The cold plate includes a first section, a second section, and an intermediate layer, which is changeable and has first channels to enable flow of a coolant through the intermediate layer, and has second channels or at least one adapted second channel to concentrate the coolant or the flow of the coolant to at least one area within the configurable cold plate corresponding to at least a heat generating feature of an associated computing device. |
| US11343939B2 |
Communication upgrade module for communication with an information handling system air mover
A communication module may be used in an information handling system comprising an air mover configured to drive a flow of air and a processing component communicatively coupled to the air mover for controlling operation of the air mover via a first wire configured to communicate air mover speed commands from the processing component to the air mover for controlling a speed of the air mover and a second wire configured to communicate tachometer information from the air mover to the processing component. The communication module may include a connector other than an air mover connector configured to couple the air mover to the first and second wire and logic configured to monitor for an escape sequence communicated via first wire from the processing component to enter a command mode and responsive to detecting the escape sequence, communicating information regarding the air mover to the processing component via second wire. |
| US11343937B2 |
Modular high density communications chassis
A modular high density communications chassis including a chassis, pull-out cable management system (POCMS), and at least two or more slidable carrier modules (carrier module(s)) is provided. The carrier modules are slidably mounted to the chassis and POCMS vertically, respectively. The POCMS is assembled to the chassis. In an operational position, ends of the carrier modules of the chassis extend outward from an access mounting opening of the chassis and ends of the carrier modules of the POCMS, alternately neighboring, lie flush with a plane of the access mounting opening. A handle of the POCMS is configured to move the POCMS from the operational position to a cable management position, whereby, the ends of the carrier modules of the POCMS extend past the ends of the carrier modules of the chassis, providing staged access to the carrier modules and staged management of connector cables extending to and therefrom. |
| US11343933B2 |
Circuit board and cable management structure thereof
A circuit board includes a substrate, a plurality of electronic components disposed on the substrate, and at least one cable management structure. The substrate is provided with a first surface and a second surface. The first surface and the second surface are correspondingly disposed. The cable management structure is used for limiting a configuration direction of at least one cable. The cable management structure includes at least one cable management column and at least one cable collection member. The cable management column is disposed on the first surface of the substrate. The cable collection member is disposed at an edge of the substrate, and the cable management column is located beside the cable collection member. The cable is capable of bypassing the cable management column and passing through the cable collection member from the edge of the substrate to the second surface, to achieve cable management and positioning effects. |
| US11343932B2 |
Electrical device and component for electrical device
Provided are an electrical device and a component for an electrical device that can efficiently suppress the occurrence of a short circuit between a housing and a circuit board. The electrical device includes a housing and a circuit board housed inside the housing. The housing includes a metallic main housing to be attached to an installation section and a sub-housing attached to the main housing. The main housing includes a main wall, extending along the circuit board with a gap between the main wall and the circuit board, and a board attachment portion having the circuit board attached thereto. An insulating plate having insulating properties is fixed to an inner surface of the main wall. |
| US11343931B2 |
Computer tower architecture and thermal management
An electronic device can include a housing that defines an internal volume. The electronic device can also include a component within the internal volume that divides the internal volume into a first volume and a second volume. The first volume and second volume can be fluidically isolated except at an aperture defined by the component. An air-moving system can produce a positive air pressure in the first volume and a negative air pressure in the second volume. |
| US11343923B2 |
Screen supporting device and foldable flexible display device
A screen supporting device includes: a drive component and a supporting component rotationally connected to the drive component. The drive component comprises a rotating shaft and a connecting rod that rotationally connected to the rotating shaft. The drive component and the supporting component are disposed in a non-display surface of the flexible display screen. The connecting rod is fixedly connected to the supporting component. Through the rotating connection between the rotating shaft and the connecting rod, the supporting component and the drive component relatively rotate and move away from each other to fold or expand the flexible display screen. |
| US11343921B2 |
Electronic unit
An electronic unit includes a first case made of metal; a second case made of metal; a frame made of synthetic resin arranged inside an assembly of the first case and the second case; a relay member made of metal that is separate from the frame and includes a first connection portion electrically connected to the first case, a second connection portion electrically connected to the second case, and a coupling portion coupling the first connection portion and the second connection portion; a first screw that passes through the first case and the first connection portion from the outside of the first case and is fixed to the frame; and a second screw that passes through the second case and the second connection portion from the outside of the second case and is fixed to the frame. |
| US11343919B2 |
Packaged electronic devices with top terminations
An embodiment of an electronic device includes a circuit component (e.g., a transistor or other component) coupled to the top surface of a substrate. Encapsulation is formed over the substrate and the component. An opening in the encapsulation extends from the encapsulation top surface to a conductive feature on the top surface of the component. A conductive termination structure within the encapsulation opening extends from the conductive feature to the encapsulation top surface. The device also may include a second circuit physically coupled to the encapsulation top surface and electrically coupled to the component through the conductive termination structure. In an alternate embodiment, the conductive termination structure may be located in a trench in the encapsulation that extends between two circuits that are embedded within the encapsulation, where the conductive termination structure is configured to reduce electromagnetic coupling between the two circuits during device operation. |
| US11343916B2 |
Component carrier and method of manufacturing the same
A component carrier has a stack including at least one electrically conductive layer structure and/or at least one electrically insulating layer structure. A component is embedded in the stack. The component includes a redistribution structure with at least one vertically protruding electrically conductive pad, and an electrically conductive material on at least part of said at least one pad. A method of manufacturing a component carrier is also disclosed. |
| US11343915B2 |
Semiconductor device
A semiconductor device includes a first wiring board having a first surface mounted with a primary radiator, and a second surface mounted with a semiconductor chip, a second wiring board mounted with a secondary radiator that forms an antenna with the primary radiator, and a third wiring board, arranged between the first and second wiring boards, and forming a predetermined gap with each of the first and second wiring boards. A first board-to-board connection member is arranged between the first and third wiring boards, to form a space between the first and third wiring boards, and regulate the spacing between the first and third wiring boards. A second board-to-board connection member is arranged between the second and third wiring boards, to form a space between the second and third wiring boards, and regulate a spacing between the second and third wiring boards. |
| US11343912B2 |
Electronic circuit apparatus
An electronic circuit apparatus according an aspect of the present disclosure includes a substrate, an electronic circuit disposed on the substrate, and metal patterns and formed on the same surface as a surface on which the electronic circuit is disposed, the metal patterns and being provided so as to be in an electrically floating state, in which the metal patterns and are disposed at places where they have a specified distance from the electronic circuit. |
| US11343909B2 |
Flexible display unit and mobile terminal including same
The present disclosure provides a display unit including: a flexible display formed to be elastically deformable; and a flexible portion comprising a flexible frame coupled to the rear surface of the flexible display, wherein the flexible frame is configured to have first holes repeatedly formed therethrough such that the flexible frame can be bent maximally to a first curvature; and a rigid portion disposed on at least one side of the flexible portion, wherein the flexible frame is made of a titanium material. |
| US11343908B2 |
Display unit and electronic apparatus
A display unit includes: a display section (11) having flexibility; and a bending control section (12a, 12b) configured to limit a movable shaft in bending the display section (11) to one direction in a display surface and allowed to maintain the display section (11) in an arbitrary bending state. |
| US11343906B2 |
Stacked scalable voltage regulator module for platform area miniaturization
The present disclosure generally relates to a scalable computer circuit board having a first power level semiconductor package coupled to at least one base-level voltage regulator module, which is coupled to a plurality of connection receptacles that are configured for connecting with a voltage regulator module positioned on a second level, as a standardized base unit. To scale the base unit, a second power level semiconductor package may be exchanged for the first power level semiconductor package in conjunction with one or more voltage regulator module board being positioned over a corresponding number of base-level voltage regulator modules and coupled to their plurality of connection receptacles. |
| US11343903B2 |
Printed circuit board and printing apparatus
A printed circuit board (100) includes a front layer (30) including frame ground regions (102a, 102b) on which connectors (202, 203) to be connected with external apparatuses or communication cables are mounted and which are connected with a ground, a signal ground region (101) which is separated from the frame ground regions at the front layer, on which electronic devices (200, 201) configured to receive signals from the connectors are mounted, and which is connected with a ground, and a static electricity removal ground region (103) separated from the frame ground regions (102a, 102b) and the signal ground region (101) at the front layer, situated outside the frame ground regions (102a, 102b), and connected with a ground. |
| US11343897B2 |
Controller for controlling a wireless network to perform radiofrequency-based motion detection
The invention provides a controller, system, method, and computer program product for controlling a wireless network to perform radiofrequency-based motion detection. Thereto, the invention provides a controller for controlling a wireless network comprising a plurality of nodes to perform radiofrequency-based motion detection, wherein each unique pair of the plurality of nodes forms a respective node pair and collectively results in a plurality of node pairs, wherein the controller is configured to: select a reference node pair from the plurality of node pairs; obtain at least one reference characteristic of the reference node pair; select a subset of node pairs from the plurality of node pairs, wherein each respective node pair in the subset of node pairs comprises a respective characteristic matching the at least one reference characteristic; perform the radiofrequency-based motion detection with said subset of node pairs. |
| US11343895B2 |
Emergency lighting color temperature control
An emergency lighting system including a light source, a variable constant current drive, an emergency alarm, and a controller. The light source includes a first light channel that produces light at a first correlated color temperature and a second light channel that produces light at a second correlated color temperature that is less than the first correlated color temperature. The variable constant current drive is configured to supply DC current to the first light channel and the second light channel. The emergency alarm is configured to be triggered upon detecting the presence of an emergency condition. The controller is configured to determine whether the emergency alarm is triggered, increase the DC current supplied to the first light channel when the emergency alarm is not triggered, and decrease the DC current supplied to the first light channel when the emergency alarm is triggered. |
| US11343892B2 |
Light source system, driver and operating method thereof
A driver is configured to provide an output voltage and an output current to a load according to an input voltage. The driver includes a power converter, first and second detecting devices and a controller. The power converter is configured to receive and convert the input voltage to the output voltage and the output current. The first detecting device is configured to detect the input voltage to generate a first signal. The second detecting device is configured to detect the output voltage to generate a second signal, and detect the output current to generate a third signal. The controller is configured to perform a calculation to the second signal and the third signal according to one of lookup tables corresponding to the first signal to generate a power value. An operation method of a driver and a light source system are also disclosed herein. |
| US11343889B2 |
Circadian lamp and method for operating such lamp
A lighting system with a lamp including a lighting area with a disc-shaped part emitting cold-white light and ring-shaped part emitting warm white light is provided. The lighting system is programmed to automatically and periodically change between light from these two parts. |
| US11343888B1 |
MicroLED power considering outlier pixel dynamic resistance
Discussed herein are systems, devices, methods, and computer-readable media for reducing a number of undriven or underdriven uLEDs of a uLED die. A method can include identifying, by a controller of a micro light emitting diode (uLED) die, a dynamic series resistance (Rd) or forward voltage (Vf) of a uLED of the uLED die, selecting, by the controller and based on the identified Rd or Vf, a current level (IPWM_0) less than a maximum current level (IPWM_MAX) supplied by a uLED driver coupled to the uLED die, and causing, by the controller, current, at the selected current level, to be supplied to the uLED driver. |
| US11343886B2 |
Controller for light-emitting element driving device, dimming method thereof and light-emitting element driving device
A light-emitting element driving device and controller and dimming method for the light-emitting element driving device. The light-emitting driving device has a dimming resistor and a power converter. A first current is provided to the dimming resistor, and a voltage across the dimming resistor is compared with a first threshold voltage. Then a second current is provided according to the comparison result. A dimming signal is generated based the voltage across the dimming resistor and a current flowing through the dimming resistor, to control the power converter to drive a plurality of light-emitting elements. A plurality of voltage windows may be configured for the dimming signal. a 2-step dimming function may be activated for high precision. |
| US11343885B2 |
Light source device, lighting circuit, and driving method
A light source device includes a light source unit having a dielectric barrier discharge lamp and a lighting circuit. The lighting circuit includes a transformer; a switching element; a controller for the switching element; a detector that detects current flowing through or voltage on a primary or a secondary side of the transformer; and a determination unit. The controller is configured to enable performing a steady-state operation of controlling ON/OFF of the switching element at a steady-state operation frequency (f1) to steadily light the dielectric barrier discharge lamp; and a determination operation of controlling ON/OFF of the switching element at a determination operation frequency (f2) higher than the steady-state operation frequency (f1), and the determination unit determines whether or not to stop the lighting operation based on the current or the voltage detected by the detector when the controller controls the switching element at the determination operation frequency (f2). |
| US11343883B2 |
Detecting changes in food load characteristics using Q-factor
An electromagnetic cooking device is provided having a controller and a plurality of RF feeds configured to introduce electromagnetic radiation into an enclosed cavity to heat up a food load. The controller is configured to: select a heating target; generate a heating strategy to determine a sequence of desired heating patterns; cause the RF feeds to output an RF signal to thereby excite the enclosed cavity; monitor the created heating patterns to measure resonances in the enclosed cavity and store a map of efficiency in frequency and phase domains from which the controller identifies resonant modes and Q-factors associated therewith; continue to monitor the created heating patterns and store maps of efficiency in the frequency and phase domains until a specified change is detected in at least one Q-factor; and when the specified change in the at least one Q-factor is identified, stop cooking the food load. |
| US11343871B2 |
Method and apparatus for determining radio link failure in wireless communication system
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for a base station to determine a radio link failure includes: receiving at least one first uplink signal from a terminal; determining whether to trigger uplink resource allocation by using information based on the at least one first uplink signal; transmitting, in case that the uplink resource allocation is triggered, an uplink grant to the terminal; receiving at least one second uplink signal from the terminal based on the uplink grant; and determining whether a radio link failure has occurred based on the at least one second uplink signal. |
| US11343860B1 |
Dedicated wireless network for security and automation system
Techniques are described herein for establishing two wireless networks at a premises, a dedicated network configured to be used by devices of an automation and security system of the premises and a user network configured to be used by devices associated with users. The dedicated network may be more rigorously secured than the user network. The dedicated network may be secured in such a way that computing devices associated with users are not permitted to access the dedicated network. In this manner, the dedicated network may be prevented from becoming compromised. In some examples, a contention management entity may mediate network traffic scheduling between the dedicated network and the user network. The dedicated network may be configured to give deference to traffic being communicated across the user network to maintain a quality of service for end users of the user network. |
| US11343859B2 |
Wireless communication method using TXOP and wireless communication terminal using same
Provided is a wireless communication terminal that wirelessly communicates. the wireless communication terminal includes: a transceiver for transmitting and receiving a wireless signal; and a processor for processing the wireless signal. The processor is configured to perform a transmission based on a transmission opportunity (TXOP) limit which is a maximum value of a TXOP, which is a time interval in which a wireless communication terminal has a right to initiate a frame exchange sequence in a wireless medium. |
| US11343858B2 |
Configuring random access channels for wireless communications
According to certain embodiments, a method for use in a wireless device is disclosed. The method comprises determining whether to restrict transmission of a random access preamble during at least a portion of a synchronization signal (SS) burst set. The SS burst set comprises at least one SS block indicated as being transmitted. In certain embodiments, the method/wireless device/computer program code further comprises transmitting the random access preamble during a time that transmission of the random access preamble is not restricted. |
| US11343856B2 |
Communication method and apparatus
A communication method includes: determining a preamble including M symbol groups; and sending the M symbol groups in K uplink subframe sets, where any uplink subframe set in the K uplink subframe sets includes one uplink subframe or more than one consecutive uplink subframes, any two uplink subframe sets in the K uplink subframe sets are spaced by at least one downlink subframe, and in each of the K uplink subframe sets at least one symbol group can be sent; N times of frequency hopping exist in the M symbol groups, each of the N times of frequency hopping is frequency hopping between adjacent symbol groups in the M symbol groups, and frequency hopping directions of at least two of the N times of frequency hopping are opposite, N is less than M, K is less than or equal to M, and K, N and M are positive integers. |
| US11343853B2 |
Sharing a transmission opportunity of a wireless communication medium
This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for sharing a transmission opportunity (TXOP) of a wireless channel. A first wireless local area network (WLAN) device can win a contention-based procedure to become an owner of the TXOP and determine to use the TXOP as a multi-device transmission opportunity (mTXOP). Although the first WLAN device is the owner of the mTXOP, the first WLAN device may allocate resources from the mTXOP to share with other WLAN devices. During a first portion of the mTXOP, the first WLAN device allocate subordinate transmission opportunities (sub-TXOPs) for use by other WLAN devices during a second portion of the mTXOP. The allocation of sub-TXOPs may be prepared based on fairness considerations, latency considerations, or both. In some implementations, a sub-TXOP may be allocated for a non-WLAN device, such as a wireless wide area network (WWAN) apparatus. |
| US11343849B2 |
Method and apparatus for transmitting contention-based data in wireless communication system to which non-orthogonal multiple access scheme is applied
Provided are a method and a device for performing communication using a non-orthogonal code multiple access scheme in a wireless communication system. A terminal divides a terminal identifier into a first field, a second field, a third field and a fourth field and selects a first reference signal based on the first field and a maximum number of reference signals, a second reference signal based on the second field and the maximum number of reference signals, a third reference signal based on the third field and the maximum number of reference signals, and a fourth reference signal based on the fourth field and the maximum number of reference signals. Based on the first reference signal, the second reference signal, the third reference signal or the fourth reference signal, the terminal transmits contention-based data to a base station. |
| US11343844B2 |
Resource conflict
A wireless device may receive one or more radio resource control (RRC) messages comprising first parameters of a first configured grant configuration of the cell and second parameters of a second configured grant configuration of the cell. The wireless device may trigger a power headroom report. The wireless device may determine one of: a first resource associated with the first configured grant configuration; and a second resource associated with the second configured grant configuration, as a selected uplink resource for transmitting the power headroom report. The wireless device may determine the selected uplink resource based on a first priority of the first configured grant configuration and a second priority of the second configured grant configuration. The first resource and the second resource may overlap in one or more symbols. The wireless device may transmit the power headroom report via the selected uplink resource. |
| US11343843B2 |
Variable-length transmission schemes
A method of wireless communication includes receiving, at a user equipment (UE), a grant from a base station on a control channel, the grant including content indicating a mini-slot assigned to the UE. The method may include interpreting the grant based on a current configuration of a data channel to determine the mini-slot. The method may include communicating with the base station during the mini-slot indicated by the grant. |
| US11343842B2 |
Validating uplink configured grants
Methods, systems, and devices for wireless communications are described. Techniques are described herein for managing timers for hybrid automatic repeat request (HARQ) processes associated with multiple configured grants that are active at the same time. Techniques are also described herein for allocating HARQ identifiers (IDs) to HARQ processes associated with multiple configured grants that are active at the same time. A user equipment (UE) may configure timers to be associated with a HARQ ID and a configured grant. A base station or UE may include indicators of the configured grants associated with a HARQ process when exchanging signaling about the HARQ process. A UE may allocate HARQ IDs to multiple configured grants to reduce a likelihood that HARQ processes collide. |
| US11343837B2 |
Method for transmitting/receiving data in wireless communication system, and device for supporting same
The disclosure proposes a method for transmitting/receiving data in a wireless communication system and apparatus for supporting the same. Specifically, a method of transmitting an uplink data channel by a user equipment (UE) in a wireless communication system comprises receiving, from a base station, first downlink control information for scheduling an uplink data channel in an nth transmission time unit, receiving, from the base station, second downlink control information for scheduling an uplink data channel in an n+kth transmission time unit, and when information by the first downlink control information is inconsistent with information by the second downlink control information, transmitting an uplink data channel which is based on the first downlink control information to the base station, wherein the second downlink control information may be discarded by the UE. |
| US11343835B2 |
Method for transmitting data, terminal device and network device
Disclosed are a method for transmitting data, a network device and a terminal device. The method comprises: determining uplink data to be transmitted; according to a service attribute of the uplink data, obtaining a basic parameter set used for sending the uplink data; according to the basic parameter set, sending the uplink data to a network device. The method, network device and terminal device increase system transmission flexibility. |
| US11343832B1 |
Systems and methods for transmitting a beamformed signal to a wireless device proximate to an antenna system
Systems and methods are described for transmitting a beamformed signal to a wireless device proximate to an antenna system. An uplink signal may be received at an access node from a wireless device in communication with the access node. It may be detected that the wireless device is proximate to an antenna system, wherein the antenna system does not comprise the access node. The detection may be based on a determined location for the wireless device, an indication from the antenna system, a retrieved signal level metric for the wireless device, and the like. It may be then determined that a beamformed signal is to be transmitted to the wireless device based on the detecting. And the beamformed signal may be transmitted from the access node to the wireless device. |
| US11343831B2 |
Wireless sensor network
One or more techniques and/or systems are provided for automatically forming a wireless sensor network, implementing power management for the wireless sensor network, and/or self-healing within the wireless sensor network. For example, hub devices, configured to forward messages through the wireless sensor network to a gateway device having access to a network, may automatically join and configure into the wireless sensor network by locating and connecting to master devices using signal frequencies representing numbers of hops to the gateway device. A hub device may be configured to transition between a low power sleep state for power conservation and an awakened normal operational state for transmitting timing signals according to a duty cycle, and thus the hub device may be capable of operating from a battery. If a hub device determines that a master device has become inoperable, the hub device may automatically search for a new master device. |
| US11343826B2 |
Information transmission method, terminal device, and network device
A method includes: determining, by a terminal device, a carrier aggregation capability and baseband capabilities of the terminal device, where the carrier aggregation capability includes a quantity of carriers and a bandwidth of a carrier in a carrier aggregation combination supported by the terminal device, and the baseband capabilities include a multiple-input multiple-output (MIMO) capability; sending, by the terminal device, the information of the carrier aggregation capability and the baseband capabilities to a network device; and receiving, by the terminal device, configuration information. |
| US11343824B2 |
Carrier switching and antenna switching for a target carrier combination
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may receive information identifying one or more antenna switching capabilities and one or more carrier switching capabilities for a user equipment (UE), wherein the UE is associated with a baseline carrier combination; and determine an antenna switching capability for a target carrier combination based at least in part on the one or more antenna switching capabilities or the one or more carrier switching capabilities, wherein the target carrier combination is different than the baseline carrier combination. Numerous other aspects are provided. |
| US11343819B2 |
Deploying and managing non-telco mobile virtual network operators over multiple NSPs
Information handling systems and methods for deploying and managing mobile virtual network operators (MVNOs) utilize a MVNO provisioning agent for communicating to a direct access manager resource requests associated with a Radio Access Network (RAN) in a network service provider (NSP). The direct access manager uses the resource requests to allocate resources in one or more RANs. The MVNO provisioning agent RAN receives endpoint information and a confirmation from the direct access manager regarding the allocated resources and passes the information to a MVNO deploying agent that deploys a customized MVNO Evolved Packet Core (EPC) in an EPC container. An MVNO association agent initiates a connection between RAN MVNO agents and the MVNO EPC to connect the deployed MNVO with the NSP, such that resource parameters may be communicated, e.g., in one or more control planes, from the MVNO EPC to the RAN MVNO agent(s) to control the allocated resources. |
| US11343818B2 |
Enhanced positioning reference signal patterns for positioning
Embodiments herein relate to method for transmitting positioning reference signals (PRSs) in a cell served by a base station. The base station maps PRSs onto different groups of time-frequency resources according to different respective PRS patterns, wherein each of the different groups spans one or more consecutive subframes in time. The base station transmits the PRSs in the cell in accordance with said mapping. |
| US11343804B2 |
Phase-tracking reference signal mapping
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may determine that a phase-tracking reference signal (PTRS) will not be transmitted based at least in part on a mapping value associated with transmitting the PTRS, and may identify another mapping value associated with transmitting the PTRS, wherein the other mapping value is different from the mapping value. In some aspects, a wireless communication device may identify a symbol in which a demodulation reference signal (DMRS) is to be muted, and may map, based at least in part on a mapping value configured on the wireless communication device, a PTRS relative to the symbol in which the DMRS is to be muted. Numerous other aspects are provided. |
| US11343802B2 |
Semi-persistent scheduling method and apparatus
Provided are a semi-persistent scheduling method and apparatus. The semi-persistent scheduling method includes receiving, through a first interface, semi-persistent scheduling configuration information sent by a base station, and sending the semi-persistent scheduling configuration information to a remote user equipment through a second interface to indicate that a semi-persistent scheduling mode is used in information transmission between the remote user equipment and the relay user equipment; and receiving, through the first interface, a semi-persistent scheduling signaling sent by the base station and sending the semi-persistent scheduling signaling to the remote user equipment through the second interface to indicate activation or release of a semi-persistent scheduling process between the remote user equipment and the relay user equipment. Semi-persistent scheduling between the remote user equipment and the relay user equipment can be implemented. |
| US11343799B2 |
Transmission of Sidelink control information of NR V2X
An embodiment of the present disclosure provides a method for performing sidelink (SL) communication based on physical sidelink control channel (PSCCH) by a first apparatus. The method may include transmitting a first sidelink control information to a second apparatus through PSCCH, and transmitting a second sidelink control information to the second apparatus through physical sidelink shared channel(PSSCH) related to the PSCCH, wherein the first sidelink control information includes at least one reserved bit reserved for use. |
| US11343798B2 |
Communication system
In a communication system, a plurality of base stations includes an MeNB being a first base station, and a plurality of SeNBs to be connected to the MeNB. At least one of control plane data about control of communication and user plane data about a user is transmitted to and received from a user equipment (UE) via the first base station being the MeNB. The control plane data and the user plane data are contained in information provided by a core network about communication with the UE. The communication system can simplify processing of at least one of control plane data and user plane data when a communication terminal device communicates with a plurality of base station devices. |
| US11343796B2 |
Method for paging, terminal equipment, and network equipment
Provided are a method for paging, a terminal equipment, and a network equipment. The method comprises: a terminal equipment receives indication information sent by a network equipment, the indication information being used for indicating the paging mode used by the current cell of the terminal equipment; the terminal equipment obtains a paging message according to the indication information. In embodiments of the present invention, a network equipment indicates, by means of the indication information, the paging mode used by the current cell of a terminal equipment, so that the terminal equipment can distinguish the paging mode used by the current cell of the terminal equipment, thus paging-related information can be correctly decoded, thereby correctly obtaining a paging message. |
| US11343794B2 |
Techniques for broadcasting paging messages in wireless communications
Aspects of the present disclosure describe receiving paging messages in wireless communications. A user equipment (UE) can receive one or more parameters for descrambling non-cell specific paging messages. The UE can receive, from one or multiple base stations, a non-cell specific paging message. The UE can descramble the non-cell specific paging message based at least in part on the one or more parameters. |
| US11343792B2 |
Paging in unlicensed spectrum
A method and a terminal for acquiring paging information during a set of one or more paging occasions, one paging occasion corresponding to a subframe. In an embodiment, the method determines a first subframe of the set of one or more paging occasions and determines a last subframe of the set of one or more paging occasions. The terminal is required to attempt to acquire the paging information in any subframe between the first subframe and the last subframe of the set of one or more paging occasions. |
| US11343790B2 |
Positioning of low power devices
The invention inter alia relates to a method, performed by a first apparatus, for positioning or assisting in positioning said first apparatus, said method comprising: obtaining multiple original identifiers identifying respective first radio networks or nodes thereof; generating, for each of at least two of said original identifiers, from a respective original identifier a shortened identifier being representative of said respective original identifier and having a smaller size than said respective original identifier; and providing said shortened identifiers over a second radio network for positioning or assisting in positioning said first apparatus. |
| US11343788B2 |
Transmission of position reference signals within wireless telecommunication network
A method performed at a beacon for broadcasting position reference signals and a method performed at a network control node, a beacon, a network control node and a computer program are disclosed. The method performed at the beacon comprises: transmitting a network access signal indicative of a geographical location of the beacon; receiving a network control signal from a network control node, the network control signal comprising a configuration control signal indicative of configuration information for broadcast of the position reference signals; and broadcasting position reference signals in accordance with the configuration information. |
| US11343787B2 |
Method and system for processing node registration notification
The present disclosure relates to the field of mobile communication, and specifically, to a method and system for processing node registration notifications. The method is applicable in a distributed system comprising a forwarding router, a plurality of central nodes, and a plurality of serving nodes. Each of the central nodes is connected to the forwarding router and at least one of the serving nodes, respectively. The connecting line from one of the central nodes to the forwarding router and the connecting line from the central node to the serving node belong to the same operating network. The method and system of the present disclosure are adopted to reduce the impact on communication between different serving nodes in an operating network. |
| US11343785B2 |
UE, base station, communication node, and method for wireless communication with improved mobility and flexibility implemented in the UE
The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE first receives a first radio signal and a second radio signal, and then transmits a third radio signal. The first radio signal is used for determining a first signature sequence, and a receiving timing of the second radio signal is used for determining a transmitting timing of the third radio signal. The first signature sequence is used for generating the third radio signal. The first radio signal and the second radio signal are associated with a first synchronization sequence and a second synchronization sequence respectively, and the first synchronization sequence is different from the second synchronization sequence. According to the disclosure, through the designs of the first radio signal and the second radio signal, thereby improving system performances and transmission efficiency. |
| US11343781B2 |
Link establishment between a radio equipment controller (REC) and radio equipment (RE) in a fronthaul network
Techniques that provide link establishment between a radio equipment controller (REC) and a radio equipment (RE) in a fronthaul network are described herein. In one embodiment, a method includes performing, Common Public Radio Interface (CPRI) Layer 1 (L1) link auto-negotiation operations to establish a CPRI link between the REC and RE. A proxy slave may achieve a hyper frame number (HFN) synchronization with the REC at a link bit rate for a first CPRI bit stream and communicate the first CPRI bit stream and the link bit rate to a proxy master. The proxy master may communicate a second CPRI bit stream to the proxy slave to transmit to the REC. The L1 link auto-negotiation operations are completed and CPRI link is established between the REC and the RE when the REC achieves a HFN synchronization for the second CPRI bit stream. |
| US11343780B2 |
Method and circuit for determining an additional maximum power reduction for dual carrier operation
The present application provides a method and a circuit for determining an additional maximum power reduction for conforming to emission requirements for dual carrier operation, where each carrier has an associated respective one of multiple different radio access technologies, and where each of the multiple different radio access technologies uses a different antenna. The method includes associating in a wireless communication device each one of at least a pair of antennas with a different radio access technology for supporting communications between the wireless communication device and at least a first wireless network. An amount of isolation is identified between the at least pair of antennas. A minimum level of the additional is maximum power reduction needed for conforming to the emission requirements is determined, based on the identified amount of isolation. |
| US11343779B2 |
System and method for providing look-ahead dynamic power control for carrier aggregation
Methods and apparatuses are provided for providing dynamic power sharing at a user equipment (UE). A first uplink transmission is configured. An offset is determined from a starting symbol of the first uplink transmission. Based on the offset, a group of overlapping uplink transmissions on one or more component carriers (CCs) is defined. The group of overlapping uplink transmission include at least the first uplink transmission. A total power is shared among uplink transmissions in the group of overlapping uplink transmissions. |
| US11343773B2 |
Wireless communication method and device
A wireless communication method is provided. The method includes sending, by a wireless communication device, a broadcast message to a terminal device. The broadcast message may include device identification information of the wireless communication device. The method may further include receiving, by the wireless communication device, a scan request message sent by the terminal device. The method may further include sending, by the wireless communication device, a scan response message to the terminal device in response to receiving the scan request message. The scan response message may include attribute data associated with the wireless communication device, and the attribute data may include identification information of content associated with a physical location of the wireless communication device. |
| US11343764B2 |
Integrated circuit
Disclosed is a wireless communication base station device capable of reducing the power consumption of a terminal when broadband transmission is performed with only an uplink. With this device, a setting unit sets mutually different terminal IDs per a plurality of uplink unit bands for a terminal that communicates using a plurality of uplink unit bands and prescribed downlink unit bands which are fewer in number than the uplink unit bands; a control unit that respectively allocates resource allocation information per a plurality of uplink unit bands to a PDCCH arranged in a prescribed downlink unit band; and a PDCCH creation unit that creates a PDCCH signal by respectively masking the resource allocation information per a plurality of uplink unit bands with the terminal ID that has been set per a plurality of uplink unit bands. |
| US11343760B2 |
System, method, and device for providing local electronic servicing
A system, method, and device for providing local electronic servicing of a machine can comprise providing, to a mobile device, access to a network manager of the machine via a pairing and connection process between the network manager and the mobile device over a network; enabling, from a back office system, local electronic access functionality, such as functionality with elevated privileges, on the mobile device upon successful pairing and connection between the network manager and the mobile device; and with the mobile device and the network manager paired and connected, electronically accessing data of the machine using the mobile device. |
| US11343759B2 |
Systems/methods of wearable auxiliary devices functioning in cooperation with a destination device
Inventive concepts and embodiments associated therewith are provided wherein an auxiliary device, that is attached to a person, is configured to function in cooperation with a destination device that is on the person. In some embodiments, the auxiliary device is uniquely associated with specific information that is to be conveyed to the destination device following reception of a signal by the auxiliary device. Embodiments are disclosed wherein, following reception of the signal by the auxiliary device, the auxiliary device processes the signal and then conveys the specific information that is uniquely associated therewith to the destination device without direct human interaction with the auxiliary device. In some embodiments, the auxiliary device comprises a personal wearable device and the destination device comprises a smartphone. |
| US11343758B2 |
Systems and methods for WiFi mapping in an industrial facility
Systems and methods for WiFi mapping an industrial facility are disclosed. The system comprises a self-driving vehicle having a WiFi transceiver. The self-driving vehicle communicates with a fleet-management using the WiFi transceiver, via a WiFi access point. The self-driving vehicle receives a mission from the fleet-management system, and moves to a destination location based on the mission, using autonomous navigation. While executing the mission, the self-driving vehicle simultaneously measures the received signal strength indication of the WiFi access point and other WiFi access points in the facility, and stores the received signal strength indication in association with the location at which the received signal strength indication was measured. |
| US11343756B2 |
Cell type indication method and apparatus
A cell type indication method includes: a cell type of a first cell is determined, the cell type of the first cell including a cell providing dedicated network service for high-speed railway or a cell providing common public network service for Long-Term Evolution (LTE); a system message to be used to indicate the cell type of the first cell is determined; and the system message is sent to a terminal to enable the terminal to determine the cell type of the first cell according to the system message and, in response to determining to access the first cell according to the cell type of the first cell, initiate an access process to the first cell. |
| US11343751B2 |
Securing the choice of the network visited during roaming
A method for connecting a terminal outside the range of its home network, to a network of a visited area covered by a plurality of networks. The method includes sending a request relating to the connection, including an identifier relating to the visited area, receiving a response message to the request, including a list of at least one network of the plurality of networks, to which the terminal should connect in priority, disconnecting the terminal and connecting the terminal to the priority network of the list. A processing method includes receiving the request including an identifier relating to the visited area, obtaining, on the basis of the identifier, the list of at least one network from the plurality of networks, to which the terminal should connect in priority, and sending a response message to the request, including the list. |
| US11343749B2 |
Methods, wireless communications networks and infrastructure equipment
A method of controlling communications within a wireless communications network is provided. The method comprises determining, by a first of the infrastructure equipment acting as a donor node connected to a core network part of the wireless communications network, that a plurality of different communications paths exist from a second infrastructure equipment to the first infrastructure equipment via one or more other infrastructure equipment acting as relay nodes, transmitting, by the first infrastructure equipment, an indication at least part of each of one or more of the plurality of different communications paths to the second infrastructure equipment, and selecting, by the second infrastructure equipment based on the indication received from the first infrastructure equipment, at least one of the plurality of different communications paths for communicating with the first infrastructure equipment. |
| US11343746B2 |
Handoff procedure in a mobile communication system
The invention relates to an improved handover procedure for a mobile terminal. Under control of the target base station, the mobile terminal is to perform a handoff to a target base station, wherein it is to be configured for communication with the target base station via a target radio cell comprising a downlink carrier and an uplink carrier. The mobile terminal receives a handoff command message for the handoff to the target base station including a handoff execution condition as trigger for executing handoff to the target base station. Then, the mobile terminal determines, based on the received handoff execution condition, whether or not the mobile terminal is to trigger execution of the handoff to the target base station. In case the mobile terminal determines that it is to trigger execution of the handoff to the target base station, the mobile terminal executes the handoff to the target base station. |
| US11343740B2 |
5G and SDN powered virtualized personal device framework
A system may allow for generic end user mobile devices to be operated using a virtualized personal device framework. The virtualized personal device framework may provide for a collective intelligence network platform that allows offloading of heavy computing processes onto virtual instance in a cloud network and enables crowd sourcing services for smart cities that may provide smart emergency services in which end-users collaborate. |
| US11343738B2 |
Handover-based connection resume technique
A wireless communication technique includes sending, from a target wireless node to a source wireless node, a message to start a handover process, wherein the message includes an identification of a wireless device and an indication field, and transmitting, upon receiving a handover request during the handover process, a message to the wireless device to resume reconnection. |
| US11343736B2 |
Method and device for performing handover in wireless communication system
Disclosed are a method and a device for performing a handover in a wireless communication system. |
| US11343735B2 |
Beam configuration for secondary cells
Procedures for using a transmission configuration indication (TCI) state in wireless communications are described. A base station may send one or more configuration parameters indicating a plurality of cells to be updated with a same TCI state. A wireless device may perform, via the plurality of cells and using one or more parameters associated with the TCI state, at least one of transmission or reception. |
| US11343732B1 |
Use of secondary radio to avoid measurement gap on primary air interface connection
When a first radio of a UE has an air-interface connection with an access node on a first carrier and the UE encounters a trigger for the UE to scan for and report to the access node coverage on a second carrier, a second radio of the UE, rather than the first radio of the UE, will conduct the scanning, and the first radio of the UE will then report to access node over the air-interface connection on the first carrier a result of the scanning conducted by the second radio. Optimally, the first radio of the UE thus need not tune away from its air-interface connection with the access node in order for the UE to scan for target coverage on the second carrier. And the process could thereby help avoid the interruption of communication between the UE and the access node on the air-interface connection over the first carrier. |
| US11343731B2 |
Methods and apparatae for mobility in private networks
In accordance with an example embodiment of the present invention a source node decides to attempt to handover a user equipment to a target cell based at least in part on a comparison of a closed access group information of the user equipment and a stored closed access group information of a target cell associated with the target node. The source sends to the target node a handover message comprising an identifier of the target cell, receives from the target node a handover failure message comprising second closed access group information of the target cell which the source node uses to update the stored closed access group information of the target cell. |
| US11343729B1 |
Dynamic air-interface reconfiguration based on predicted movement toward location where dual-connectivity tends to be lost
A method and system for controlling air-interface connectivity of a user equipment device (UE). A computing system detects, when the UE has dual connectivity including a first air-interface connection with a first access node and a second air-interface connection with a second access node, and when the first air-interface connection is defined on a first carrier, that the UE is moving toward a geographic area where UEs that were served by the first access node on the first carrier as part of dual connectivity lost their dual connectivity due to their having insufficient aggregate dual-connectivity throughput. And based at least on the detecting, the computing system reconfigures the first air-interface connection of the UE's dual connectivity to be defined on a lower-frequency second carrier, to help avoid having the UE lose its dual connectivity. |
| US11343727B2 |
Cell global identifier reporting in a wireless communication system
According to an aspect, a wireless device (111) receives, from a network node (101), a measurement object (125) that includes a list (127) of one or more cells for which to report a cell global identifier, CGI, or a list (129) of one or more cells for which not to report the CGI. Alternatively, the wireless device (111) may receive, from a network node (101), a measurement reporting configuration information element or a measurement identity information element of a measurement configuration that includes a list (127) of one or more cells for which to report a CGI or a list (129) of one or more cells for which not to report a CGI. |
| US11343726B2 |
Cell selection and handover methods
Embodiments described herein relate to a method of selecting a cell for communication over a network, the method comprising: determining a round trip delay (RTD) measurement from a device to each of a plurality of base stations, each of the plurality of base stations being in a respective one of a plurality of cells; ranking the plurality of cells based at least in part on the RTD measurements; selecting the highest-ranked cell; and initiating attachment to the selected cell. |
| US11343718B2 |
Real time adaption of a latency critical application in a wireless network
A method includes: a) provisioning at least one latency critical application; b) determining mean latency and mean throughput which are required by a respective latency critical application, and assigning the determined mean latency and mean throughput to a reference point value; c) allocating the reference point value to the respective latency critical application; d) calculating via a time variable point value function an actual point value for the respective latency critical application; e) comparing the reference point value with the actual point value; f) determining a difference value between the reference point value and the actual point value; g) repeating steps d) to f) for a subset of points in time within the time interval; h) summing up all difference values determined in step f) for all points in time of the subset; and i) continuously optimizing current use of resources in the cell. |
| US11343717B1 |
Dynamic control of uplink communication from a dual-connected device, based on uplink backhaul congestion per connection
A method and system for controlling uplink communication from a user equipment device (UE) that has at least two co-existing air-interface connections including a first air-interface connection with a first access node and a second air-interface connection with a second access node. An example method includes comparing a level of uplink backhaul congestion of the first access node with a level of uplink backhaul congestion of the second access node and, based at least on the comparing, configuring an uplink split ratio defining a distribution of uplink user-plane data flow of the UE between at least the first air-interface connection and the second air-interface connection. In an example implementation, this could involve configuring one of the air-interface connections as a primary uplink path to which the UE restricts its uplink communication unless and until a trigger occurs for transitioning the UE to operate in an split-uplink mode. |
| US11343716B2 |
Base station for processing plurality of cells in wireless communication system and operating method thereof
Provided are a base station which processes a plurality of cells in a wireless communication system and an operation method of the base station. The operation method of the base station which processes a plurality of cells includes pooling a processing power of a first processor that processes a signal of a first cell and a processing power of a second processor that processes a signal of a second cell, and distributing the processing powers to the first processor and the second processor and processing, by the first processor and the second processor, the signal of the first cell and the signal of the second cell by using the distributed processing powers. |
| US11343713B2 |
Data processing method, transmitter and receiver
Embodiments of the disclosure relate to a data processing method, a transmitter, and a receiver. The method includes: determining whether a current radio bearer is an only radio bearer corresponding to an SDAP entity of a receiver; releasing the SDAP entity in case that the current radio bearer is the only radio bearer corresponding to the SDAP entity; releasing a configuration corresponding to the current radio bearer in case that the current radio bearer is not the only radio bearer corresponding to the SDAP entity. |
| US11343710B2 |
Wireless communication method, apparatus and system for transmitting sidelink signals using an exceptional resource pool
There are provided an apparatus, a method and a system, at a first node, and the apparatus comprises: a transmitter operative to transmit sidelink signals to a second node; and a controller operative to determine whether to use an exceptional resource pool based on at least one of a first condition and a second condition, for the transmitter to transmit sidelink signals, wherein the first condition includes that a first channel busy ratio measured during a first congestion control operation regarding a current resource pool is higher than a first threshold, and the second condition includes that at least one packet is determined to be dropped during the first congestion control operation. |
| US11343708B2 |
Data transmission method and device, and computer storage medium
Disclosed in the present invention are a data transmission method and device, and a computer storage medium, the method comprising: a terminal transmits data and attribute information corresponding to the data to a network; and the network transmits data and attribute information corresponding to the data to the terminal, the attribute information corresponding to the data comprising at least one of the following: quality of service (QoS) stream information, protocol data unit (PDU) session information, network slice information, external network information for data transmission and identification information of the terminal. |
| US11343703B2 |
Method for performing reflective quality of service 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 performing reflective Quality of Service (QoS) in wireless communication system, the method comprising: receiving a DL PDU with a QoS flow ID via a DL DRB identified by a first DRB ID from a network; determining whether or not to update UL QoS flow to DRB mapping rule according to a value of the QoS flow ID; and transmitting UL data via a UL DRB mapped to QoS flow ID of the UL data based on the UL QoS flow to DRB mapping rule, wherein if the QoS flow ID is not a specific value but a first QoS flow ID, the UL QoS flow to DRB mapping rule is updated such that a UL DRB mapped to the first QoS flow ID is changed to a UL DRB identified by the first DRB ID, and wherein if the QoS flow ID is the specific value, the UE doesn't update the UL QoS flow to DRB mapping rule. |
| US11343699B2 |
EPS bearer context status synchronization upon inter-system change from evolved packet system (EPS) to fifth generation system (5GS)
A method for synchronizing evolved packet system (EPS) bearer context status between a user equipment (UE) and a network can include locally deactivating an EPS bearer context of a packet data network (PDN) connection at the UE while the UE operates in S1 mode without notifying the network serving the UE, wherein interworking to a fifth generation system (5GS) is supported for the deactivated EPS bearer context, and upon inter-system change from S1 mode to N1 mode, including an EPS bearer context status information element (IE) in a registration request message indicating which EPS bearer contexts are active in the UE before the inter-system change. |
| US11343697B2 |
Systems and methods for network device management
Systems and methods for network device management are described. An indication of a failed network connection between a first user device and a second network device can be received. Using data from the first network device, the first user device, at least one second network device, and/or at least one second user device, one or more characteristics of the first network device and/or the at least one second network device can be determined. Modification of the determined one or more characteristics can be caused. |
| US11343694B2 |
Options to provide a network icon in non-standalone mode
Wireless communications systems and methods related to providing an indication that a user equipment (UE) is within coverage by a particular network are provided. An example method of wireless communications obtaining, by a first wireless communication device from a second device associated with a second network, information regarding whether the first wireless communication device is within coverage by a first network. The first wireless communication device supports dual connectivity with the first network and the second network. The method also includes determining, based at least in part on the information, whether to display an icon indicating that the first wireless communication device is connected to the first network. The method further includes in response to a determination to display the icon, displaying, by the first wireless communication device, the icon on a display coupled to the first wireless communication device. |
| US11343686B2 |
Systems and methods for call session control function failover using dynamic routing techniques
A system described herein may provide a technique for the seamless failover of devices in a network, such as a wireless telecommunications network. For example, embodiments may identify a particular device, such as a Call Session Control Function (“CSCF”), that has failed or that does not meet particular performance metrics. An Internet Protocol (“IP”) address of the failed device may be assigned to a functioning device of the same type (e.g., another CSCF). The functioning device may be instructed, in accordance with some embodiments, to output routes between itself and other devices or IP addresses, based on which traffic originally intended for the failed device may be routed to the functioning device. |
| US11343678B2 |
User equipment, communication control method of user equipment, core network device, communication control method of core network, SMF, communication control method of SMF, UPF, and communication control method of UPF
A terminal apparatus or a device in a core network exchanges capability information for each function in a registration procedure or a PDU session establishment procedure, and in user data communication additional information is added into an uplink packet to implement terminal apparatus-initiated RQoS control, and additional information is added into a downlink packet to implement network device-initiated RQoS control. A dedicated control message and information for an authentication and/or authorization function by a DN are defined to implement the authentication and/or authorization function by the DN. Furthermore, the terminal apparatus and the device in the core network have a timer or a control process for each network slice to implement a management process such as congestion management for each network slice. This provides a communication control method in order to implement the terminal apparatus-initiated or network-initiated RQoS control, implement the authentication and/or authorization function by the DN, and implement the management process such as congestion management for each network slice. |
| US11343675B2 |
Communication device authentication for multiple communication devices
Disclosed is a method in an operator authentication server for authentication of a communication device associated with a communication device manager. The communication device manager being associated with a plurality of communication devices, wherein the operator authentication server has transmitted group subscriber identity module (SIM) information to the communication device manager, wherein the group SIM information is associated with an international mobile subscriber identity (IMSI) number and a shared secret K. The method comprises receiving from the communication device a request for authentication comprising a sub identifier associated with the communication device; determining whether the sub identifier is known. Wherein if it is determined that the sub identifier is known, the method comprises: deriving a secret Ki associated with the communication device based on the shared secret K, and the sub identifier; transmitting a challenge to the communication device, wherein the challenge is formed cryptographically based on the derived secret Ki; receiving from the communication device a response to the challenge, wherein the response is cryptographically formed based on the derived secret Ki; determining whether the received response is correct by confirming that it was cryptographically formed by using the derived secret Ki. When it is determined that the received response is correct, the method comprises: authenticating the communication device and derive a first session key based on the derived secret Ki. |
| US11343662B2 |
Method for resource selection in D2D communication and terminal device
The present disclosure discloses a method for resource selection in D2D communication and a terminal device, the method includes: performing, by a physical layer of a first terminal device, sensing in a first resource pool on a first carrier within a time interval [n+T1, n+T2] to obtain a first resource set, and resources in the first resource set can be used for the first terminal device to transmit a target service, where n is a time when the target service arrives, or a time when the first terminal device determines that performing sensing is required, 0≤T1 |
| US11343658B2 |
Method and device for determining transmission mode, storage medium and electronic device
Provided are a method and device for determining a transmission mode, a storage medium and an electronic device. The method includes acquiring information for determining the transmission mode, where the information includes at least one of: service profile information about a first service from an upper layer of a first terminal or an application layer of the first terminal, access layer information about the first terminal, transmission parameter information configured for the first terminal by a base station, or capability information about a second terminal of a proximity service; and determining the transmission mode according to the information. This can solve the problem in the existing art of how to perform communication better when there are UEs of different types or different capabilities in a system. |
| US11343656B2 |
Method of operating terminal mission critical push to talk group participating in mission critical push to talk group call in off network
A method of operating a first terminal participating in a Mission Critical Push To Talk (MCPTT) group call in an off-network includes: receiving a first floor grant message configured to indicate a floor transfer from a second terminal to a third terminal; storing a Synchronization Source (SSRC) of the third terminal included in the first floor grant message as an SSRC of a next floor arbitrator; receiving a media packet or a floor control message; and, if a transmitter of the media packet or the floor control message is the next floor arbitrator, updating an SSRC of a current floor arbitrator as the SSRC of the next floor arbitrator. |
| US11343655B2 |
Communication apparatus and communication method
A desirable connection form in consideration of a radio wave state is caused to be formed among three or more communication apparatuses. Group list information indicating three or more communication apparatuses, including local equipment, that have been set as a group for performing wireless communication is referred to so as to grasp communication apparatuses that have been set as the group. Then, a value indicating a degree of stability of communication between respective communication apparatuses indicated in the group list information is obtained, and a new connection form to which a change is desirably performed is determined by using the value indicating the degree of stability of communication between the respective communication apparatuses. Then, processing is performed for changing a connection state of respective communication apparatuses included in the group to the new connection form. |
| US11343649B2 |
Mobile terminal, semiconductor IC, and control method
A mobile terminal having a second communication device performing Sigfox communication, which is a wireless communication standard such that an acknowledgement is not sent back even when data is received, includes: a specifying unit specifying a state of the mobile terminal; a determination unit determining whether the state specified by the specifying unit satisfies a predetermined condition or not; and a communication control unit starting Sigfox communication using the second communication device, when the determination unit determines that the predetermined condition is satisfied. |
| US11343640B2 |
Power efficient operation at significant locations
A device and method for a user equipment (UE) to implement power savings mechanisms when operating within a significant location. The UE identifies that the UE is at a significant location. The significant location is a location relative to a currently camped cell of a network. At a first time and at the significant location, the UE performs a type of operation related to the network connection. The UE stores information corresponding to the performance of the type of operation at the first time in a profile associated with the significant location. At a second time and at the significant location, the UE performs the type of operation related to the network connection. The performance of the type of operation at the second time is modified based on the information stored in the profile associated with the significant location. |
| US11343637B2 |
System and method for use of crowdsourced microphone or other information with a digital media content environment
In accordance with an embodiment, described herein is a system and method for use of crowdsourced microphone or other information with a digital media content environment. A user may bring their media device with media application to a venue/performance, for example a theater, or a music concert, or other event which the user desires to attend. A microphone and/or other hardware components of the media device can be used to indicate a presence of the media device. The system can also, or alternatively, utilize an interaction information by the media device or the user thereof with other systems or environments. The media application can be configured so that, upon determining that the media device is present within a particular venue or attending a particular performance, the media server can enable one or more venue-aware media application features, to provide various types of functionalities that improve the user experience. |
| US11343627B2 |
Hearing device
A hearing device has a housing in which a receiver is arranged as an electrical component. An antenna arrangement is formed, which has a winding in the form of a coil, which is arranged around the receiver with the interposition of a shielding foil. The shielding foil has a section extending around the receiver and several lugs adjoining it, which project beyond the receiver, the lugs enclosing between them an interspace adjoining the receiver. The shielding foil has in particular two layers, namely a magnetic layer and an electrical shielding layer. By this arrangement an antenna arrangement with high sensitivity is formed and at the same time a shielded partial area is created in the inter-space in which further components can be arranged. Due to the design of the lugs, which are particularly flexible, they can be attached to an inner wall of a housing. |
| US11343626B2 |
Bone conduction speaker and compound vibration device thereof
The present invention relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present invention and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader. |
| US11343623B2 |
Systems for bone conduction speaker
Methods and apparatus are described herein related to improving the sound quality of a bone conduction speaker. The sound quality of the bone conduction speaker is adjusted in the sound generation, sound transferring, and sound receiving of the bone conduction speaker by designing vibration generation manners and vibration transfer structures. |
| US11343620B2 |
Method of operating a hearing aid system and a hearing aid system
A method of operating a hearing aid having a main digital filter adapted to selectively represent a specific combination of serial and parallel coupled virtual digital filters as well as a hearing aid and a hearing aid system adapted to carry out the method. |
| US11343619B2 |
Binaural hearing system comprising frequency transition
A hearing system includes first and second hearing devices adapted for being located at first and second ears of a user, or for being fully or partially implanted in the head at the left and right ears of the user. The first hearing device includes a forward path having a1) an input transducer for converting a sound at the first hearing device to a first electric input signal including the sound; a processor for processing the first electric input signal, or a signal originating therefrom, and providing a first processed signal in dependence of a reduced hearing ability of the user at the first ear; an output unit adapted for providing stimuli perceivable as sound for the user at the first ear based on the first processed signal. The first hearing device further includes an analysis path having a first filter for filtering the first electric input signal and providing a first filtered signal in dependence of the reduced hearing ability of the user at the first ear; and transmitter circuitry configured to allow transmission of the first filtered signal to the second hearing device. The second hearing device includes receiver circuitry configured to allow reception of the first filtered signal from the first hearing device, and an output unit adapted for providing stimuli perceivable as sound for the user at the second ear based on the first filtered signal or a processed version thereof. |
| US11343618B2 |
Intelligent, online hearing device performance management
A hearing device with online (real-time) intelligent performance management. The online management component of the hearing device learns a hearing device user's preferences for operation of the hearing device while the user is using the hearing device in every-day life. The online management component learns the user's preferences from the user's perception of the hearing device output in different listening environments and/or during different activities. The users perception include positive/satisfactory responses of the user to the output from the hearing device. The online management component builds up an individualized model for the user based upon the users perceptions whilst encountering different listening environments and/or engaging in different activities. The individualized model is used to control the hearing device to produce an acoustic output for the user. |
| US11343616B2 |
Avoidance of user discomfort due to pressure differences by vent valve, and associated systems and methods
Systems and methods are disclosed for avoidance of user discomfort due to pressure differences by vent valve. In one embodiment, a method for equalizing air pressure in ear canal includes sensing a pressure difference between a pressure in ear canal (PEC) and an ambient pressure (PAMB) by a sensor of a hearing device. Based on sensing the pressure difference, an active valve is set to a first position to open a vent through the hearing device or to a second position to close the vent through the hearing device. |
| US11343615B2 |
Sound producing structure and terminal
A sound producing structure includes: a frame body, a magnetic circuit system, a first diaphragm, and a second diaphragm. The frame body includes a receiving cavity, and the receiving cavity includes a first opening and a second opening that are located on two opposite sides of the frame body. The magnetic circuit system is located in the receiving cavity, and the magnetic circuit system includes a first magnetic channel and a second magnetic channel that are isolated from each other. The first diaphragm is disposed facing the first opening, a first voice coil is disposed on the first diaphragm, and a portion of the first voice coil extends into the first magnetic channel. The second diaphragm is disposed facing the second opening, a second voice coil is disposed on the second diaphragm, and a portion of the second voice coil extends into the second magnetic channel. |
| US11343613B2 |
Prioritizing delivery of location-based personal audio
The technology described in this document can be embodied in a computer-implemented method of controlling a wearable audio device configured to provide an audio output. The method includes receiving data indicating the wearable audio device is proximate a geographic location associated with a localized audio message, and determining that the localized audio message has a higher priority compared to at least one other localized audio message associated with another geographical location proximate to the wearable audio device. The method also includes, responsive to determining that the localized audio message has the higher priority, providing a prompt to initiate playback of the localized audio message with the higher priority to a user of the wearable audio device, and initiating playback of the localized audio message with the higher priority at the wearable audio device in response to actuation of the prompt by the user. |
| US11343612B2 |
Activity detection on devices with multi-modal sensing
Methods, systems, devices, and computer-readable storage media for activity detection of a user of a computing device, using multi-modal sensing. A device can be configured to receive sensor data corresponding to multiple modalities and process the sensor data to predict an activity performed by a user of a computing device. The device in response to the detected activity can perform a response action, such as muting or pausing audio playback from the computing device. Different modalities can be combined, such as body vibration data, air vibration data, and image data, which can be processed to distinguish user activity, e.g., speaking versus not speaking, to allow the computing device to perform the correct corresponding action. |
| US11343610B2 |
Sound-output device
The present application discloses a sound-output device, a vibration speaker configured to generate a bone-conducted sound wave; and an air-conducted speaker configured to generate an air-conducted sound wave. The vibration speaker is coupled to the air-conducted speaker through a mechanical structure; and the bone-conducted sound wave is input to the air-conducted speaker at least in part as an input signal. |
| US11343608B2 |
Coaxial compression driver
A coaxial compression driver including a housing, a first vibrating membrane for relatively lower frequencies housed in the housing where the first vibrating membrane faces a first compression chamber in communication with a first acoustic conduit, a second vibrating membrane for relatively higher frequencies housed in the housing, where the second vibrating membrane faces a second compression chamber in communication with a second acoustic conduit the first vibrating membrane and the second vibrating membrane arranged in the housing being coaxial or substantially coaxial with respect to each other, the first acoustic conduit and the second acoustic conduit converge into a common output acoustic conduit, and the coaxial compression driver includes a passive low pass filter at least partially housed in the first acoustic conduit. |
| US11343606B2 |
Headphone or earphone
A headphone or earphone (10; 50) consists of a casing (12) adapted to fit to a user's ear, the casing (12) enclosing a driver (22) with a diaphragm. Behind the driver (22) is a rear closure element (15; 52); and the driver (22) is clamped against at least one resilient element (23) that engages with its front face near the periphery, or alternatively is clamped between two such resilient elements (23, 24). The casing (12) defines a cavity in front of the driver (22) that communicates with a sound outlet duct (18) adapted to provide sound to the user's ear. The sound outlet duct (18) may define a restrictive duct portion with a cross-sectional area between 18% and 28% of the cross-sectional area of the diaphragm. Behind the driver (22) may be an enclosed airtight cavity, or alternatively the rear closure element (52) may define a rear outlet duct (54) aligned with the sound outlet duct (18). |
| US11343603B2 |
Eyewear accommodating headset
A headset may comprise at least one ear cup and an ear cup shaper configurable into at least two configurations. When the ear cup shaper is configured in a first of the configurations, the ear cup is shaped to contact the temple of a wearer of the headset. When the adjustable ear cup shaper is configured in a second of the configurations, the ear cup is shaped to accommodate the temple piece of a pair of eyeglasses of a wearer of the headset. The ear cup may comprise a filler material such as foam, and the adjustable ear cup shaper when configured in the second of the configurations may create a depression in the foam. The adjustable ear cup shaper may comprise a strap and/or a plunger. |
| US11343599B2 |
System and method for topology discovery and fiber continuity verification in network
An optical network includes an arrangement of optical nodes. An optical node of the arrangement, and corresponding method, perform optical connectivity discovery and negotiation-less optical fiber continuity verification in the optical network. An overall topology of optical connectivity provisioned for the arrangement is discovered by the optical node based on messages received from a management network communicatively coupling the optical nodes to each other. The optical node synchronizes, temporally and sequentially, with the other optical nodes based on the messages received, assigns fiber of the overall topology, based on a verification sequencing method, to verification slots of a verification sequence, and verifies continuity of fiber according to the verification slots of the verification sequence. The discovery, synchronization, and assignment operations enable the optical node and peer node to perform the optical fiber continuity verification in a symmetric, decentralized, and negotiation-less manner. |
| US11343597B1 |
Parallel signal processing system and method
A system and method for processing a plurality of channels, for example audio channels, in parallel is provided. For example, a plurality of telephony channels are processed in order to detect and respond to call progress tones. The channels may be processed according to a common transform algorithm. Advantageously, a massively parallel architecture is employed, in which operations on many channels are synchronized, to achieve a high efficiency parallel processing environment. The parallel processor may be situated on a data bus, separate from a main general-purpose processor, or integrated with the processor in a common board or integrated device. All, or a portion of a speech processing algorithm may also be performed in a massively parallel manner. |
| US11343594B2 |
Methods and systems for an augmented film crew using purpose
Systems and processes associated with an augmented film crew. For example, a computer-implemented method may include receiving, at a display of a user media device, an indication that a user of the user media device intends to generate a user video in an environment; receiving, at the display, an input indicating a user preference associated with the user video; generating, by the user media device, data associated with the environment using a sensor of the user media device; determining, by the user media device, a purpose for the user video using the user preference and the data associated with the environment, wherein the purpose is chosen from a predetermined set of purposes; detecting an additional media device that is located in the environment, wherein the additional media device is associated with the user or the user media device; determining pre-production assignments for the user video using the purpose and the additional media device, wherein the pre-production assignments indicate one or more characteristics of the scene for the user video in the environment; generating, using the user media device, a first video stream of the scene in the environment using the pre-production assignments; receiving, from the additional media device, a second video stream of the scene; and generating, by the user media device, the user video using the first video stream or the second video streams. The above steps may be implemented as instructions stored in a computer-readable medium, computer program product, or device such as a television receiver, or in other types of embodiments. |
| US11343589B2 |
Content event mapping
In one implementation, consumption of media content (such as video, audio, or text) is supplemented with an immersive synthesized reality (SR) map based on the media content. In various implementations described herein, the SR map includes a plurality of SR environment representations which, when selected by a user, cause display of a corresponding SR environment. |
| US11343583B2 |
Method for displaying GUI for providing menu items and display device
The present application discloses a GUI method for providing menu items, which is used to automatically adjust display locations of the menu items according to a setting language of a display device. The method includes: displaying an image content in a content display area of a display in response to a first control instruction input by a user and used for displaying the image content; and calculating a layout location of at least one menu item in a menu display area of the display based on a setting language of the display device, where the at least one menu item is configured for the image content and used to perform functions required for the image content; and displaying the at least one menu item based on the calculated layout location. |
| US11343582B2 |
Systems and methods for providing subtitles based on language proficiency
Systems and methods are described for providing subtitles based on a user's language proficiency. An illustrative method includes receiving a request to display subtitles, selecting a language for the subtitles, determining, from a user profile, a user's proficiency level in the selected language, selecting, based on the user's proficiency level in the selected language, a set of subtitles from a plurality of sets of subtitles in the selected language, wherein each respective set of subtitles corresponds to a different proficiency level in the selected language, and generating for display the selected set of subtitles. |
| US11343580B2 |
System and method of displaying content based on locational activity
A device for enabling content selection is configured to display a graphical user interface including a map and information associated with other users. The map may including identifiers of users at respective locations. The device may enable a user to navigate to a particular identifier. The device may be configured to display a window including an item of content associated with a particular identifier. The device may be configured to facilitate a video chat between one or more users. |
| US11343578B2 |
Content management and playback control
According to one configuration, video analyzer hardware receives a first episode of video content and a second episode of video content from a content series. The video analyzer hardware produces metadata. The metadata marks segments of the second episode of video content that are to be skipped during playback of the second episode of video content to a user following playback of the first episode of video content to the user. The video distribution hardware uses the metadata to produce a playlist and control playback of the video in accordance with the metadata. During playback of the first episode of video content followed by the second episode of video content, the playback device displays a message to the user. The message requests the user to indicate whether to skip over playback of a portion of the first episode of video content. |
| US11343577B2 |
Electronic device and method of providing content therefor
Disclosed are an electronic device and a method of providing content. The electronic device may include: a display, a processor, and a memory. The processor implements the method, including: while playing, on a display, at least one three-dimensional (3D) moving image, detecting selections of a plurality of sections from the at least one 3D moving image; storing each of the selected sections as bookmark in a memory; displaying the stored bookmarks on the display; and in response to detecting selection, by input circuitry, of at least two bookmarks from among the displayed bookmarks, generate a link content that includes the at least two selected bookmarks, wherein each of the bookmarks comprises metadata indicating additional information on each of the selected sections, and viewpoint information indicating a viewing angle for each of the selected sections within the at least one 3D moving image. |
| US11343572B2 |
Method, apparatus for content recommendation, electronic device and storage medium
A method, an apparatus for content recommendation, an electronic device and a storage medium are disclosed. The method may include: for a user to be recommended, obtaining candidate contents to be recommended and at least one user feature tag for the user; determining a recommendation scheme according to the candidate contents and the at least one user feature tag, including respective proportions of different types of candidate contents in N pieces of recommended contents recommended to the user, the N pieces of recommended contents selected from the candidate contents according to the proportions, and an order of displaying the recommended contents in the N pieces of recommended contents, N is a positive integer greater than one and less than or equal to the number of candidate contents; and returning the recommended contents to the user according to the recommendation scheme. |
| US11343569B2 |
System and method for context aware detection of objectionable speech in video
Embodiments provide a system and method for filtering speech in a video. Speech in video may contain objectionable or profane words that need to be filtered. To ascertain whether a word or phrase is objectionable, the contextual information from surrounding words and the contextual information from detected objects and scenes in the video are used. Unwanted words may be filtered or collected and presented to the user. |
| US11343568B2 |
Digital media system
A digital media system is configured to support any one or more of multiple features with respect to virtual-reality content. Examples of such features include directional picture-in-picture (PIP) windows based on viewing direction, directional audio based on viewing direction, user recommendations based on anomalous viewing times of certain visual features in video content, dynamic adjustment of time-to-live (TTL) durations prior to requesting deletion of video files uploaded to a content distribution network, dynamic adjustment of durations of video files to upload based on network capacity, dynamic adjustment of quantities of video files per set to upload based on network capacity, dynamic resizing of top-depicting or bottom-depicting regions within the picture areas of sets of video files, dynamic resizing of the picture areas themselves within sets of video files, or any suitable combination thereof. |
| US11343566B2 |
Supplemental content insertion using differential media presentation descriptions for video streaming
In some embodiments, a method sends a first instance of a media presentation description including first status information to a client. The first status information identifies a break from a stream of a media presentation for insertion of supplemental content. The method receives a request for a second instance of the media presentation description. The request includes information from the first status information that reverted the client back to the stream of the media presentation after insertion of the supplemental content. Then, the method sends the second instance of the media presentation description based on receiving the request from the client including the information from the first status information. |
| US11343565B2 |
Content-modification system with feature for detecting and responding to a content modification by a tuner device
In one aspect, a method is performed by a content-presentation device that is scheduled to perform, at a modification start-time, a content-modification operation that comprises modifying a modifiable content-segment that the content-presentation device is scheduled to receive. The method includes receiving reference fingerprint data representing the modifiable content-segment. The method also includes making a comparison of the reference fingerprint data with query fingerprint data representing content received by the content-presentation device from a tuner device connected to the content-presentation device. The method also includes based on the comparison, detecting, within a predefined time period after the modification start-time and during performance of the content-modification operation, a mismatch between the reference fingerprint data and the query fingerprint data. The method also includes in response to detecting the mismatch within the predefined time period after the modification start-time and during performance of the content-modification operation, performing an action. |
| US11343564B2 |
Automated learning platform of a content provider and method thereof
An automated learning system of a content provider includes a database, an image processing unit, and a server. The database stores data related to visual marks, features of the visual marks, a set of discriminating instances, a position of a region of interest, and pre-defined threshold values. The image processing unit includes a detection module, a determination module, and a feature generation module. The detection module detects frames from a primary display device. The determination module extracts a static visual area, and determines a visual mark. The feature generation module generates discriminating features of the visual mark. The server maps the discriminating features with the stored data, identifies at least one closest visual mark, and transmits the updated visual mark and the discriminating features to secondary display devices. |
| US11343562B1 |
Digital receiver integrated local channel insertion
Digital receiver integrated local channel insertion is described. A network-connected digital receiver may be configured to bridge its network connection to extend IP connectivity via a single cable to a compatible peripheral device. In this way, the peripheral device may be connected to the local network in a controlled and automated way and, when being leveraged by an application operating on the digital receiver, the application may be granted the necessary traffic priority settings for application performance. For example, a USB, HDMI, or Ethernet connection with a peripheral device can be used by the digital receiver to provide an end-to-end managed peripheral device solution that eliminates user-intervention associated with networking, set-up, and management of the peripheral device. Various aspects of the present disclosure may be facility by a peripheral device connectivity engine that may be natively programmed into the digital receiver software stack, allowing for an intuitive user experience. |
| US11343556B2 |
Method of controlling a horizontal screen or vertical screen of television, device, and storage medium
Disclosed is a method of controlling a horizontal screen or a vertical screen of a television. The method includes the following operations of: acquiring a mode of a television, and judging whether the mode is a mobile phone mode; in response that the television is in the mobile phone mode, acquiring an image to be displayed, and playing the image in the vertical screen according to a vertical state of the image. The disclosure further discloses a device of controlling a horizontal screen or a vertical screens of a television, and a computer readable storage medium. |
| US11343555B2 |
Allocation of under delivery units utilizing an optimization framework
A television advertising management system that handles a plurality of deals for a plurality of advertiser, determines which of the plurality of deals have a guaranteed audience, and are under delivering, and allocates reserve under delivery units to each of the plurality of deals that are under delivering to bring each of the plurality of deals that are under delivering to corresponding attainable lower targets while honoring corresponding deal constraints. An under delivery value is maximized such that the attainable lower targets are met, while honoring corresponding deal constraints to provide an allocation solution, and a total penalty from deviations from selling title mix distributions, and weekly distributions is minimized for each of the plurality of deals that are under delivering subject to an additional lower bound on the under delivery value. |
| US11343553B2 |
Context driven recommendation for content delivery and display system
There is disclosed a computer device for generating a recommendation message to a user device, the computer device including a processor configured to: receive a context for a user of the user device; and select at least one recommendation for the user in dependence on the context, wherein the at least one recommendation varies in dependence on the context, such that a first at least one recommendation for a user in a first context is different from a second at least one recommendation for the same user in a second context. |
| US11343545B2 |
Computer-implemented event detection using sonification
Computer-implemented event detection includes obtaining, at one or more processors, multimedia data including multiple frames of video data and corresponding audio data. The processor(s) process the multiple frames to detect at least one object and to track the object(s) between two or more of the frames. The processor(s) generate sonification audio data representing a position of the object(s) in the two or more frames, movement of the object(s), or both the position and the movement of object(s). The processor(s) generate combined audio data including the audio data and the sonification audio data. The processor(s) generate one or more feature vectors representing the combined audio data and provide the feature vector(s) as input to a trained event classifier to detect an event represented in the multimedia data. |
| US11343541B2 |
Signaling for illumination compensation
A video coder that implements illumination compensation is provided. The video coder receives a first block of pixels in a first video picture to be coded as a current block, wherein the current block is associated with a motion vector that references a second block of pixels in a second video picture as a reference block. The video coder performs inter-prediction for the current block by using the motion vector to generate a set of motion-compensated pixels for the current block. The video coder modifies the set of motion-compensated pixels of the current block by applying a linear model that is computed based on neighboring samples of the reference block and of the current block. The neighboring samples are identified based on a position of the current block within a larger block. |
| US11343536B2 |
Method and apparatus for processing video signal
A method for decoding an image according to the present invention comprises the steps of: deriving an intra prediction mode of a current block; and changing the intra prediction mode to a wide angle intra prediction mode when the intra prediction mode is less than or equal to a threshold value and the current block is a non-square having a width greater than a height. |
| US11343535B2 |
Method of coding and decoding images, coding and decoding device and computer programs corresponding thereto
A method of coding at least one image comprising the steps of splitting the image into a plurality of blocks, of grouping said blocks into a predetermined number of subsets of blocks, of coding each of said subsets of blocks in parallel, the blocks of a subset considered being coded according to a predetermined sequential order of traversal. The coding step comprises, for a current block of a subset considered, the sub-step of predictive coding of said current block with respect to at least one previously coded and decoded block, and the sub-step of entropy coding of said current block on the basis of at least one probability of appearance of a symbol. |
| US11343533B2 |
Coding method, device, system with merge mode
An apparatus and method for marking availability of a candidate coding block for merge estimation of a current coding block within a coding tree unit (CTU). The candidate block may be marked as unavailable if a splitting depth of the current coding block is equal to or larger than a predetermined threshold and a first location of the candidate block and a second location of the current block are included in a same merge estimation region (MER). Otherwise, the candidate block is marked as available. A candidate block may be marked as unavailable also, when a parent block “parentCurr” of the current block and a parent block “parentCand” of the candidate block, with both parent blocks obtained by splitting, are the same block and when the size of the parentCand is smaller than a threshold. |
| US11343532B2 |
System and method for vision-based joint action and pose motion forecasting
A computer-implemented method, comprising, extracting a video sequence, the video sequence including a series of video frames, estimating current poses of one or more subjects within each video frame and determining joint locations for a joint associated with the one or more subjects within each video frame, computing optical flows from the video sequence, extracting motion features from the video sequence based on the optical flows, and predicting at least one future pose. |
| US11343531B2 |
Storage system and method for object monitoring
A storage system and method for object monitoring/anticipation in surveillance systems are provided. In one embodiment, a storage system is provided comprising a memory and a controller. The controller is configured to identify positions of an object in a plurality of frames of video data provided by a video capture device; determine a rate of movement of the object based on the identified positions; and based on the determined rate of movement of the object, provide a suggestion to the video capture device to dynamically modify an encoding bit rate of the video data to improve video quality of the object. Other embodiments are provided. |
| US11343530B2 |
Image encoding/decoding method and device, and recording medium having bitstream stored thereon
The present invention relates to a method for encoding and decoding an image. The method for decoding an image includes: deriving an initial motion vector from a merge candidate list of a current block; deriving a refined motion vector using the initial motion vector; and generating a prediction block of the current block using the refined motion vector. |
| US11343525B2 |
Method and apparatus for video coding by constraining sub-block motion vectors and determining adjustment values based on constrained sub-block motion vectors
Aspects of the disclosure provide a method and an apparatus for video coding. In some examples, an apparatus includes processing circuitry that determines a plurality of first sub-block motion vectors for a plurality of sub-blocks of a current block, and determines a plurality of second sub-block motion vectors according to the plurality of first sub-block motion vectors and a first target range. The processing circuitry also determines a set of gradient values associated with a current sample location in a current sub-block, determines an adjustment vector associated with the current sample location, and determines a set of adjustment values associated with the current sample location according to the set of gradient values and the adjustment vector. The processing circuitry generates a predicted sample associated with the current sample location according to a combination of a corresponding sample in a reference sub-block and the set of adjustment values. |
| US11343523B2 |
Coding method and apparatus
The present disclosure discloses a video decoding method, including: parsing a received bitstream to obtain prediction information of a CU; obtaining a target transform mode of a residual TU; parsing the received bitstream to obtain transform coefficients of the residual TU; applying an inverse quantization to the transform coefficients of the residual TU to obtain dequantized coefficients; applying, based on the target transform mode, an inverse transform to the dequantized coefficients to obtain a residual block of the residual TU; obtaining a prediction block of the CU based on the prediction information; and obtaining a video block based on the residual block and the prediction block; and outputting a video sequence, the video sequence including a video frame that includes the video block. |
| US11343519B2 |
Method and apparatus of motion vector prediction for scalable video coding
Inter-layer motion mapping information may be used to enable temporal motion vector prediction (TMVP) of an enhancement layer of a bitstream. For example, a reference picture and a motion vector (MV) of an inter-layer video block may be determined. The reference picture may be determined based on a collocated base layer video block. For example, the reference picture may be a collocated inter-layer reference picture of the reference picture of the collocated base layer video block. The MV may be determined based on a MV of the collocated base layer video block. For example, the MV may be determined by determining the MV of the collocated base layer video block and scaling the MV of the collocated base layer video block according to a spatial ratio between the base layer and the enhancement layer. TMVP may be performed on the enhancement layer picture using the MV of the inter-layer video block. |
| US11343517B2 |
Low delay picture coding
Parallel processing concepts such as wavefront parallel processing, are realized with a reduced end-to-end delay by giving up the usual slice concept according to which slices are either coded/decoded completely independent from areas of the picture outside of the respective slice, or at least independent from areas outside the respective slice as far as the entropy coding is concerned, namely in favor of slices of different modes, namely ones called dependent slices which allow for interdependencies across slice boundaries, and others which do not, called normal slices, for example. Combined with the aspect or not, WPP processing concept is made more efficiently by using the slices' start syntax portions to locate WPP entry points. |
| US11343516B2 |
Signaling of video coding tools supporting various chroma formats
A method of decoding an encoded video. The method includes obtaining the encoded video bitstream and determining whether a chroma array type of a video sequence included in the encoded video bitstream is a first chroma array type indicating that the video sequence includes multiple color planes and that the multiple color planes are jointly. In addition, based on determining that the chroma array type is not the first chroma array type, the method further includes setting a value of at least one syntax element to zero without parsing the at least one syntax element from the encoded video bitstream, and based on the value of the at least one syntax element being zero, decoding the video sequence without applying at least one tool corresponding to the at least one syntax element. |
| US11343506B2 |
Method and apparatus for processing video signal
A method for decoding a video according to the present invention may comprise: determining a motion vector precision of a current block, generating a motion vector candidate list of the current block, obtaining a motion vector prediction value of the current block from the motion vector candidate list, determining whether a precision of the motion vector prediction value is identical to a motion vector precision of the current block, scaling the motion vector prediction value according to the motion vector precision of the current block, when the precision of the motion vector prediction value is different from the motion vector precision of the current block, and obtaining a motion vector of the current block using the scaled motion vector prediction value. |
| US11343504B2 |
Apparatus and method for picture coding with selective loop-filtering
An apparatus, a method, and a computer program performs image coding with selective loop-filtering. That is, the loop-filters which operate on samples across discontinuous face boundaries are capable of being disabled. The loop-filter operation may be deferred until all samples across a face boundary are known. Then, the loop-filter can use the correct samples according to the 3D arrangement. This may be implemented on the coding block level or at a higher level. |
| US11343502B2 |
Method and apparatus for encoding an image
An apparatus for decoding an image can include an inverse scanning module for generating a quantized block by applying an inverse scan pattern to significant flags, coefficient sign and coefficient levels respectively; an inverse quantization module for generating a quantization parameter predictor, adding the quantization parameter predictor to a differential quantization parameter to generate a quantization parameter and inversely quantizing the quantized block using the quantization parameter; an inverse transform module for inversely transforming the inversely quantized block to restore a residual block; an intra prediction module for generating a prediction block; an adder for generating a reconstructed block using the residual block and the prediction block, in which certain types of scans are used based on a size of a transform unit and various parameters are set according to availability conditions. |
| US11343496B2 |
Method and apparatus for encoding/decoding an image based on in-loop filter
An image encoding/decoding method and apparatus of the present invention may divide one picture into a plurality of division units, determine whether to perform filtering on a boundary of a current division unit based on a predetermined flag, and perform filtering on the boundary of the current division unit in response to the determination. |
| US11343489B2 |
Method and apparatus for encoding/decoding image using geometrically modified reference picture
There is provided an image encoding/decoding method and apparatus. The image encoding method of the present invention includes: generating at least one candidate block including warped reference picture (WRP) Flag information in an advanced motion vector prediction (AMVP) mode; constructing a candidate list including the at least one candidate block; and generating a prediction block of a current block based on the candidate list. |
| US11343488B2 |
Apparatuses and methods for encoding and decoding a video coding block of a multiview video signal
A system for encoding and decoding a video coding block of a multi-view video signal is provided. A decoder is configured to decode a texture-depth video coding block (t0, d0) of a first texture frame and a first depth map associated with a first view for providing a decoded texture-depth video coding block (t0, d0) and the first depth map. A synthesized predicted texture-depth video coding block (tsyn, dsyn) of a view synthesis texture frame and a view synthesis depth map associated with a second view is generated. An inpainted synthesized predicted texture-depth video coding block is generated. Based on the impainted predicted texture-depth video block, the decoder reconstructs a texture-depth video coding block (t1, d1) of a second texture frame and a second depth map associated with the second view. An encoder is configured to encode the texture-depth video coding block in a manner that complements the decoding provided by the decoder. |
| US11343480B2 |
Projection positioning system and projection positioning method thereof
A projection positioning system and a projection positioning method thereof are provided. A projection device projects a first test image and a second test image on a projection screen based on a projection range at different time points. At least one photosensitive element is disposed on the projection screen. In response to projecting the first test image, a computing device divides a first image sub-zone of the first test image according to the first image sub-zone corresponding to one of first optical parameters sensed by the photosensitive element, to generate the second test image. In response to projecting the second test image, the computing device determines positioning information of the photosensitive element with respect to the projection range according to a second image sub-zone corresponding to one of second optical parameters sensed by the photosensitive element. The projection device performs a projection adjustment function according to the positioning information. |
| US11343475B2 |
Display system having lens sheets having different polarities
The present invention relates to display systems that use materials made from various arrangements of lenses and other optical materials. Careful design and use of these materials can be used to achieve display systems with many desirable visual effects having applicability in image and video displays, virtual reality, immersive environments, as well as in architecture, art, entertainment, and interactive systems. |
| US11343474B2 |
Image capture based on action recognition
A camera image processor receives frames from an image sensor of the camera. While continuing to receive frames from the image sensor, the camera image processor detecting an action within one or more frames of the received frames, for example using a convolution neural network trained to recognize one or more actions. While continuing to receive frames from the image sensor, the camera image processor captures the one or more frames with the detected action, for example as a still image, or as a slow-motion portion of a video that includes the received frames. |
| US11343473B2 |
Doorbell communication systems and methods
The disclosure includes a doorbell system having a doorbell, a doorbell housing, a visitor detection system, and a chime. The visitor detection system can be coupled to the doorbell housing and can include at least one of a camera and a motion detector. The doorbell can also comprise a first low-energy transceiver and a first high-energy transceiver that can be coupled to the doorbell housing. The first and second low-energy transceivers and the first and second high-energy transceivers can be configured to transmit data. |
| US11343471B2 |
Information processing device and information processing method for communication using three-dimensional space
There is provided an information processing device that includes a reception unit configured to receive data from a communication destination, a generation unit configured to generate spatial image information placed at a predetermined position in a three-dimensional space by using captured images of a plurality of the communication destinations, and a display control unit configured to perform control so as to display the generated spatial image information on a display unit. |
| US11343468B2 |
Method, system, and non-transitory computer readable record medium for providing communication using video call bot
A method, a system, and a non-transitory computer-readable record medium for providing a communication using a video call bot are disclosed. A video call method implemented by a computer apparatus, may include: in response to a request for inviting a chat bot to a video call in which a plurality of users comprising a user of the computer apparatus participate, displaying the chat bot on a display screen for the video call; transmitting, to a server, a command line that is associated with the chat bot and is extracted from an a voice input that is input to the computer apparatus during the video call; and in response to the command line, outputting a response to the command line through the chat bot that participates in the video call. |
| US11343466B2 |
Video signal conversion device
A video signal conversion device includes a frontend interface circuit, a FPGA video processor and a backend interface circuit. The frontend interface circuit receives a HDR video input signal from a video transmitting device. The FPGA video processor outputs a SDR first video output signal. A video receiving device receives the first video output signal and a HDR second video output signal from the FPGA video processor through the video bridge controller of the backend interface circuit by PCI-E. |
| US11343465B2 |
Varying audio visual compression based on AI detection or classification results
In one embodiment, a computing device receives, from one or more cameras, a video stream comprising multiple frames, where the video stream is received at a first quality. The computing device analyzes, using a machine-learning model, images in the frames, where the machine-learning model has been trained to detect one or more objects-of-interest in the images. The computing device identifies a sequence-of-interest including consecutive frames of the video stream, where at least one object-of-interest was detected in at least one of the consecutive frames. The computing device generates a video package including the sequence-of-interest. |
| US11343462B2 |
Recording reproduction apparatus, recording reproduction method, and non-transitory computer readable medium
A recording reproduction apparatus according to the present disclosure includes: a captured data acquisition unit that acquires first captured data captured by a first camera that captures an image of an outside of a vehicle; an event detection unit that detects an event regarding the vehicle; a recording controller that stores the first captured data in a period including at least a timing of occurrence of the event as event recording data; a reproduction controller that reproduces the event recording data; a display controller that causes a display unit to display the event recording data reproduced by the reproduction controller; and an attachment/detachment detection unit that detects an attachment/detachment state of the display unit to/from the vehicle, in which the reproduction controller starts, when it has been detected by the attachment/detachment detection unit that the display unit has been detached from the vehicle, reproduction of event recording data. |
| US11343461B2 |
Device, control method, and computer-readable storage medium
A device that is attached/detached to/from an image capturing apparatus and that is configured to obtain image data related to an image captured by the image capturing apparatus, to execute analysis processing on the image data, and to store, in a storage of the device, at least a result of the analysis processing on the image data and information designating specific data is provided. The device deletes, based on the information, data stored in the storage when power supply to the device is started. |
| US11343460B2 |
Participation management system for videoconferencing
A method may include receiving a videoconference stream from a client device of a plurality of client devices participating in a videoconference, the videoconference stream comprising video content of a user of the client device and audio content of the user of the client device. The method may also include generating, during the videoconference and based at least in part on at least one of the video content and the audio content, a participation metric for the user of the client device, displaying, to the user and during the videoconference, first information based on the participation metric, updating the participation metric during the videoconference to produce an updated participation metric, and displaying, to the user and during the videoconference, second information based on the updated participation metric. |
| US11343459B2 |
Image sensing device and electronic device comprising the same
An image sensing device includes a pixel circuit, a readout circuit, and a row driver. The pixel circuit is configured to output a pixel signal in response to a selection signal. The readout circuit is configured to output a digital signal corresponding to the pixel signal, generate a gain control signal based on a first pixel signal received from the pixel circuit, provide the gain control signal to the pixel circuit, receive a second pixel signal output by the pixel circuit using the gain control signal, and output a digital signal corresponding to the second pixel signal. The row driver is configured to provide the selection signal to the pixel circuit while maintaining the selection signal at a first level while the readout circuit provides the gain control signal to the pixel circuit and the pixel circuit outputs the second pixel signal to the readout circuit. |
| US11343458B2 |
Light-receiving device and method for reading out signal of light-receiving device
A light-receiving device that achieves both high saturation performance and high sensitivity performance includes a light-receiving pixel including a light-receiving element, a first capacitive element that accumulates a photoelectric charge produced by light received by the light-receiving element, a second capacitive element that accumulates a transferred portion of an amount of the photoelectric charge accumulated in the capacitive element, a switch means for turning on and off a photoelectric charge transfer operation from the capacitive element to the capacitive element, a resetting switch means for resetting the capacitive element and the capacitive element, a pixel selecting switch means, and a source follower switch means. An effective saturation capacity of the capacitive element is 10 to 5,000 times an effective saturation capacity of the capacitive element. |
| US11343457B2 |
Solid-state imaging device and class AB super source follower
An output buffer of a super source follower for driving a reference ramp signal of a column-parallel single slope type ADC of a solid-state imaging device is made as a class AB feedback configuration for controlling a feedback variable current source with a signal obtained by amplifying a current fluctuation flowing through an amplification transistor by an amplifier, and thereby, the upper limit of the drain voltage of the amplification transistor is not limited by the voltage between the gate and the source of the feedback variable current source. |
| US11343456B2 |
Dynamic vision sensor
A dynamic vision sensor, including a first sensing pixel, another first sensing pixel, a storage capacitor, and another storage capacitor, is provided. The first sensing pixel includes a plurality of color light sensing sub-pixels, a first pixel circuit, an infrared light sensing sub-pixel, a second pixel circuit, and a ramp capacitor. The ramp capacitor is coupled to a ramp up signal. The second pixel circuit outputs a sensing result of the infrared light sensing sub-pixel to the storage capacitor. The another first sensing pixel includes another plurality of color light sensing sub-pixels, another first pixel circuit, another infrared light sensing sub-pixel, another second pixel circuit, and another ramp capacitor. The another ramp capacitor is coupled to a ramp down signal. The another second pixel circuit outputs a sensing result of the another infrared light sensing sub-pixel to the another storage capacitor. |
| US11343455B2 |
Solid-state imaging device, method of manufacturing solid-state imaging device, and electronic apparatus
The present technique relates to a solid-state imaging device, a solid-state imaging device manufacturing method, and an electronic apparatus that are capable of providing a solid-state imaging device that can prevent generation of RTS noise due to miniaturization of amplifying transistors, and can achieve a smaller size and a higher degree of integration accordingly.A solid-state imaging device includes a photodiode as a photoelectric conversion unit, a transfer gate that reads out charges from the photodiode, a floating diffusion from which the charges of the photodiode are read by an operation of the transfer gate, and an amplifying transistor connected to the floating diffusion. More particularly, the amplifying transistor is of a fully-depleted type. Such an amplifying transistor includes an amplifier gate (gate electrode) extending in a direction perpendicular to convex strips formed by processing a surface layer of a semiconductor layer, for example. |
| US11343453B2 |
TDI image sensor capable of exposure control and control system including the same
Disclosed is a time delayed integration (TDI) image sensor capable of exposure control, including a pixel area including a plurality of line sensors, a light mask configured to block the incidence of light on part of the line sensors, and a scan controller configured to generate a line control signal and an exposure control signal based on the line trigger signal and to control movement of charges in the plurality of line sensors based on the generated line control signal and exposure control signal. |
| US11343451B2 |
Solid-state imaging device, method of driving the same, and electronic apparatus
A solid-state imaging device includes a pixel array unit in which a plurality of imaging pixels configured to generate an image, and a plurality of phase difference detection pixels configured to perform phase difference detection are arranged, each of the plurality of phase difference detection pixels including a plurality of photoelectric conversion units, a plurality of floating diffusions configured to convert charges stored in the plurality of photoelectric conversion units into voltage, and a plurality of amplification transistors configured to amplify the converted voltage in the plurality of floating diffusions. |
| US11343446B2 |
Systems and methods for implementing personal camera that adapts to its surroundings, both co-located and remote
A computerized system comprising a processing unit and a memory, the system operating in connection with a real-time video conference stream containing a video of a user, wherein the memory embodies a set of computer-executable instructions, which cause the computerized system to perform a method involving: receiving the real time video conference stream containing the video of the user; detecting the background in the received real time video conference stream from the user; and matching the first background and a second background associated with the second user. |
| US11343444B2 |
Imaging apparatus comprising image-capturing unit capable of capturing a time slice image
Provided is an imaging apparatus including at least one or more imaging units, and more particularly, to an imaging apparatus including at least one or more imaging units which includes at least one or more modules to perform modularization so that a time-slice imaging device may be installed, performs a light weight of the imaging units to solve difficulty in a process of connecting multiple heavy digital single lens reflex (DSLR) cameras to each other in order to realize a time-sliced image at a certain moment, achieves assembly simplicity and storage convenience through a structure that may be stored by separating the modules and a support, and achieves popularization of an imaging apparatus capable of capturing a time slice image. |
| US11343442B2 |
Image processing apparatus, image processing method, and recording medium
An image processing apparatus acquires color difference information from an output signal of a first area optically shielded from light on an image sensor, and determines, based on the color difference information, at least either of a first range in which an achromatic color area is extracted from an output signal of a second area where image capturing for an optical image is performed on the image sensor, and a second range in which white balance of the output signal of the second area is controlled. |
| US11343440B1 |
High dynamic range point spread function generation for image reconstruction
A method includes capturing, by a camera disposed behind a display panel of an electronic device, a plurality of point spread functions (PSFs) through a semi-transparent pixel region of the display panel. Each of the plurality of PSFs is captured at a different exposure time. The method further includes determining, for each of the PSFs, pixel intensity data for each of a plurality of pixel locations of the PSF. The pixel intensity data is associated with the exposure time of the respective PSF. The method further includes calculating, for each pixel location, a weighted average pixel intensity value based on the pixel intensity data and the exposure time for the respective pixel location over the plurality of PSFs, and generating a high dynamic range (HDR) PSF utilizing the weighted average pixel intensity values. |
| US11343437B2 |
Reducing power consumption for enhanced zero shutter lag
An image capture device includes a processor that is configured to set the image capture device to a zero-shutter-lag (ZSL) mode in response to a capture of a first image; start a timer; restart the timer when a second image is captured while the timer is active; and, in response to detecting an event indicating that no image was captured before the timer expired, set the image capture device to the non-ZSL mode. The processor is configured to set the image capture device to a non-ZSL mode when the timer expires. |
| US11343436B2 |
Half-shield phase detection auto-focus sensor for auto-exposure convergence
Systems, apparatuses, and methods for using a half-shield phase detection auto-focus (PDAF) sensor for auto-exposure convergence are disclosed. A camera includes at least one or more half-shield PDAF sensors and control logic for performing an automatic exposure control convergence procedure. The control logic receives half-pixel values from half-shield PDAF sensors for a first frame. The control logic calculates twice the value of each half-pixel value captured by the half-shield PDAF sensors for the first frame. Then, the control logic adjusts an exposure setting used for capturing a second frame based on how much twice the value of each sensor value is over the maximum pixel intensity value. This approach allows the automatic exposure control convergence procedure to converge more quickly than prior art procedures. |
| US11343435B2 |
Microlensing for real-time sensing of stray light
Example embodiments relate to microlensing for real-time sensing of stray light. An example device includes an image sensor that includes a plurality of light-sensitive pixels. The device also includes a first lens positioned over a first subset of light-sensitive pixels selected from the plurality of light-sensitive pixels. Further, the device includes a controller. The controller is configured to determine a first angle of incidence of a first light signal detected by the first subset of light-sensitive pixels. The controller is also configured to, based on the first determined angle of incidence, determine an amount of stray light incident on the image sensor. |
| US11343433B2 |
Image processing apparatus having overlapping sub-regions
An apparatus includes an image sensor having a light sensing region, the light sensing region being partitioned into a plurality of sub-regions, a first sub-region of the plurality of sub-regions has a first size, a second sub-region of the plurality of sub-regions has a second size different from the first size, and the second sub-region partially overlaps with the first sub-region. The apparatus further includes a processor coupled with the image sensor, wherein the processor includes a plurality of pixel processing units, and each processing unit of the plurality of processing units is configured to generate a processed image based on an image captured by a corresponding sub-region of the plurality of sub-regions. The apparatus further includes a plurality of lenses configured to focus incident light onto the image sensor. |
| US11343432B2 |
Imaging apparatus
An imaging apparatus includes a controller configured to change a tilt angle between an image sensor and a plane orthogonal to an optical axis of an optical system by adjusting a tilt of the image sensor or the optical system, an evaluation value acquirer configured to acquire contrast evaluation values of a plurality of areas in an image by changing the tilt angle through the controller, and a determiner configured to determine the tilt angle for each of the plurality of areas based on the contrast evaluation values of the plurality of areas acquired by the evaluation value acquirer, and to determine the tilt angle based on the tilt angle of each determined area. The controller adjusts the tilt of the image sensor or the optical system based on the tilt angle determined by the determiner. |
| US11343423B2 |
Focus adjustment apparatus, image capturing apparatus, focus adjustment method, and storage medium
There is provided a focus adjustment apparatus. A selection unit repeatedly executes selection processing for selecting a main subject from one or more subjects included in a shooting range based on an autofocus (AF) setting. A focus adjustment unit performs focus adjustment on a target position determined based on the selected main subject. A change unit changes the AF setting. In a case where the AF setting is changed after a previous execution of selection processing, the selection unit determines whether to execute selection processing based on a main subject selected in the previous execution of selection processing or whether to execute the selection processing independently of the main subject selected in the previous execution of selection processing according to a change content of the AF setting. |
| US11343422B2 |
Focusing control device, focusing control method, focusing control program, lens device, and imaging device
A focusing control device includes: a sensor that has a focus detection area in which a plurality of first signal detection sections which receives one of a pair of luminous fluxes passing through different portions arranged in one direction of a pupil region of an imaging optical system including a focus lens and detects signals and a plurality of second signal detection sections which receives other one of the pair of luminous fluxes and detects signals are formed; and a processor, configured to obtain correlation values, obtain an accumulative value of the correlation values included in each of a plurality of division areas obtained by dividing a graph of the correlation values in which shift amounts are represented on a first axis in a direction of the first axis, and perform focusing control by controlling the focus lens based on the accumulative value obtained. |
| US11343418B2 |
Refrigerators having internal content cameras, and methods of operating the same
Example refrigerators having internal content cameras, and methods of operating the same are disclosed. A disclosed example refrigerator includes a cabinet, an internal compartment disposed within the cabinet, a closing member operatively coupled to the cabinet providing selective access to the internal compartment, two cameras disposed in the compartment and positioned to capture images of different portions of the compartment, two light sources disposed in the compartment, and a controller communicatively coupled with the cameras and light sources and configured to control the light sources to provide two different illuminations for respective ones of the two cameras. |
| US11343416B2 |
Camera module assembly including flexible circuit board maintained in bent state and electronic device including same
Various embodiments related to a camera module assembly are presented and, according to one embodiment, the camera module assembly comprises: at least one camera module including a lens assembly, an image sensor configured to receive light having passed through the lens assembly, a camera housing for accommodating the lens assembly and the image sensor therein, a circuit board having the image sensor arranged thereon, and a flexible printed circuit board electrically connected with the circuit board and including wiring and a connector, which are for connecting the image sensor with an external device; and a support member including an opening for accommodating the at least one camera module in at least a part thereof, wherein the support member can be formed such that at least a part of the flexible printed circuit board is maintained in a bent state through at least a part of the opening, and additional other various embodiments are possible. |
| US11343412B2 |
User detection and user attention detection using multi-zone depth sensing
An electronic device receives depth sensor data that includes depths sensed in multiple zones in the field of view of a depth sensor. The device determines whether a user is in front of the device based on the depth sensor data. If the user is determined to be present, then the device causes a display to enter an operational mode. Otherwise, the device causes the display to enter a standby mode. The device may also determine whether the user's attention is on the device by determining whether the depth sensor data indicates that the user is facing the device. If so, the device causes the display to enter the operational mode. Otherwise, the device causes the display to enter a power saving mode. The device may use a machine learning algorithm to determine whether the depth sensor data indicates that the user is present and/or facing the device. |
| US11343410B2 |
Information processing device, processing method of confirming special color, and processing program
An information processing device configured to make a printing device execute printing includes a storage section configured to store special color data representing a special color included in a print target image, and a processing section configured to make the printing device print a special color patch as a color patch of the special color included in the print target image based on the special color data to obtain a colorimetric value of the special color patch. Based on the print target image and the special color data, the processing section makes the printing device execute printing of the special color patch in accordance with output of a print image based on the print target image. |
| US11343408B2 |
Terminal and non-transitory computer readable medium for transmitting first identification information in place of second identification information
A terminal includes a relay unit, a memory, and an access unit. The relay unit relays communication between a different terminal and a server that requires two-step authentication at a time of providing a service. The memory stores first identification information for identifying the different terminal. The access unit accesses the server. In a case where data to be transmitted to the server includes second identification information for identifying the terminal, the access unit transmits the first identification information, in place of the second identification information included in the data, to the server. |
| US11343407B2 |
Shading correction device, reading device, image forming apparatus, shading correction method, and non-transitory recording medium
A shading correction device includes first and second extractors, an intersection calculator, a phase shift amount calculator, a phase shifter, a generator, and a corrector. The first extractor extracts a first periodic component of original shading data. The second extractor extracts a second periodic component of a second reading result. The intersection calculator calculates a first intersection of the first component and a reference level and a second intersection of the second component and the reference level. The phase shift amount calculator calculates a phase shift amount at each of plural positions with a difference between the first and second intersections. The phase shifter shifts a phase of the first component with the phase shift amount. The generator generates corrected shading data including the phase-shifted first component and the original shading data with the first component smoothed. The corrector performs shading correction based on the corrected shading data. |
| US11343406B2 |
Image reading apparatus, image reading system, image reading method, and non-transitory computer-readable storage medium storing program
A control portion performs a predetermined detection process on a first image from a first reading portion and a second image from a second reading portion. When the detection process on the each image is successful, the control portion performs, based on a value of an image processing variable specified from a detection result, predetermined image processing on the each image, When the detection process on the image of one side fails, a value of an image processing variable for the image of one side is specified based on a value of an image processing variable specified from the detection result for the image of the other side for which detection is successful. Based on the specified value of the image processing variable, image processing is performed on the image of one side. |
| US11343403B2 |
Image forming apparatus
An image forming apparatus shared by users in multiple groups includes a communication unit, a memory, a user authorizer, an operation unit, a display, an image former, and a controller. When the operation unit accepts a command for forming an image from a first user based on spooled image data of the first user stored in a spool area in the memory after the user authorizer has authorized the first user, the controller causes the display to display, in addition to the spooled image data of the first user, spooled image data received by the communication unit, from other users belonging to the same group as the first user. When the operation unit accepts selection and a print command of the spooled image data, the controller causes the image former to collectively form images based on the selected spooled image data. |
| US11343399B2 |
Image reading apparatus
An image reading apparatus includes a transport unit which transports a document, and reading units which read an image of the document which is transported. It is assumed that an operation of reading an image when specific setting information is not input to a control device of the image reading apparatus is set to a first reading mode, and an operation of reading an image when specific setting information is input to the control device is set to a second reading mode. In this case, in the second reading mode, image data of an image with a resolution which is equal to that in the first reading mode is generated, while causing the reading units to read an image from a document which is transported by the transport device at a lower speed than that in the first reading mode. |
| US11343397B2 |
Image reading apparatus
An image reading apparatus includes a support section in contact with a mounting surface on which the apparatus is mounted, an apparatus body including a reader, the apparatus body, and a position holding section. The position of the apparatus body can be switched between a first position in which the apparatus body is not in use and a second position in which the apparatus body reads a document using the reader, and in which a projected area of the apparatus body on the mounting surface is larger than that in the first position, and the center of gravity of the apparatus body is lower than or equal to a rotation axis center of the apparatus body in a vertical direction viewed in a rotation axis direction of the apparatus body when the apparatus body is in the first position or in the second position. |
| US11343393B2 |
Display control apparatus, and non-transitory computer readable medium for controlling display time of images
A display control apparatus includes an acquisition unit that acquires image data, a memory that saves a display time of an image indicated by the image data acquired by the acquisition unit and a display cycle of the image indicated by the image data in association with each other, a setting unit that, if the acquisition unit newly acquires image data, sets the display time and the display cycle of the image indicated by the newly acquired image data, in response to a number of images to be displayed, and the display times and the display cycles of the images to be displayed, a display that causes an external apparatus to display the display time and the display cycle of the image indicated by the newly acquired image data and set by the setting unit, a receiving unit that receives a modification of each of the display time and the display cycle displayed on the external apparatus, and a display controller that causes the display to display the image, indicated by the image data newly acquired by the acquisition unit, in accordance with the display time and the display cycle received by the receiving unit. |
| US11343392B2 |
Image processing apparatus and image processing method
In accordance with an embodiment, an image processing apparatus includes an image reading section configured to read an original document and generate image data, the image data corresponding to the original document or a part of the original document. The image processing apparatus further includes a control panel including a document area for displaying a plurality of images, the plurality of images including an image which corresponds to the image data. The control panel is configured to receive input designating the image corresponding to the image data and at least one other image from the plurality of images. The image processing apparatus also includes a controller, which in response to an instruction, generates an aggregation image including the image corresponding to the image data and the at least one other image from the plurality of images. |
| US11343388B2 |
Image forming device
An image forming device that executes a preview display of an image to be printed, including: a projector; a panel display; a receiver that receives an instruction indicating whether or not to implement security in the preview display; and a controller that, when an instruction to implement security is not received, controls the projector to execute the preview display according to a first mode that represents the image to be printed at a display area equal to or larger than a defined size, and when an instruction to implement security is received, controls the projector and the panel display to execute the preview display according to a second mode that represents the image to be printed at a display area less than the defined size. |
| US11343380B2 |
Premises system automation
Systems and methods for management of a premises are disclosed. One or more premises devices may be located at a premises. A computing device located at the premises may be in communication with the one or more premises devices. The computing device may also be in communication with an external network. The computing device may process data associated with the one or more premises devices using one or more automation rules. |
| US11343377B1 |
Virtual assistant interface for call routing
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for determining a transfer option for transferring a call. One of the methods include receiving, by a call assistant engine, a keyword related to information provided by a user to an agent during a call; generating, by the call assistant engine, follow-up questions to be displayed on a user device of the agent in an interactive format, the first follow-up question being generated based on the keyword, each of the following follow-up questions being generated based on an answer of the agent to the previous question; and determining, by the call assistant engine, based on answers of the agent to the follow-up questions, a transfer option for transferring the call. |
| US11343372B2 |
Shielding a capacitance sensor during ear-speaker mode of a mobile device
A method, a mobile device, and a computer program product enable capacitive proximity sensing in a mobile device. The method includes determining, by a controller of a mobile device, whether the mobile device is participating in an active phone call. In response to determining that the mobile device is participating in an active phone call, the method further includes determining if an ear speaker mode of the mobile device is enabled. In response to determining that the ear speaker mode of the mobile device is enabled, the method further includes activating a driven shield to at least partially shield a capacitance sensor from sensing object capacitance at a second side of the mobile device that is opposed to a first side with the ear speaker. |
| US11343367B2 |
Radio communication apparatus and method with switch for internal/external speaker-microphone mechanism used in radio and PTT communications
A radio communication apparatus includes a transceiver circuit, an internal speaker, an internal microphone, an external connection terminal, a connection detection circuit, a drive setting circuit, and a disconnection detection circuit. The transceiver circuit transmits and receives a transmission audio signal and a reception audio signal. The connection detection circuit detects a connection between the external speaker-microphone and the external connection terminal. The drive setting circuit drives the internal speaker and the internal microphone when the connection is not detected, and drives the external speaker-microphone when the connection is detected. The disconnection detection circuit detects a disconnection in an audio signal line for the external speaker. Further, when the disconnection is detected, the drive setting circuit makes the internal speaker output a sound represented by a reception audio signal. |
| US11343363B2 |
Mobile terminal
A mobile terminal includes a main unit, a first sub unit provided with a touch screen, and a second sub unit. The first and second sub units are communicatively connected to the main unit. The first surface has a bracket groove recessed therefrom. The main unit is provided with a bracket capable of rotating into or out of the bracket groove. When the bracket is rotated out of the bracket groove, the first sub unit is mountable to the first surface, the second sub unit is capable of detachably leaning against the bracket, and a first angle between a touch surface of the touch screen and a display surface of the second sub unit is greater than 90°. When the bracket is rotated into the bracket groove, the first sub unit is mountable to the first surface, and the second sub unit is detachably mountable to the second surface. |
| US11343362B2 |
Electronic device including display
An electronic device is disclosed, including a first plate including a planar area oriented in a first direction, and a curved area extending from at least a portion of an edge of the planar area, a second plate oriented in a second direction opposite the first direction, the first plate and second plate defining an inner space, a support member disposed between the first plate and the second plate so as to surround the inner space, and a first adhesive member disposed between the curved area of the first plate and the support member, wherein the first adhesive member includes: a first adhesive layer attached to at least a portion of the curved area of the first plate, and is activated by heat, and a second adhesive layer attached to at least a portion of the support member. |
| US11343358B2 |
Flexible header alteration in network devices
At least a packet header of a packet received by a network device is provided to a programmable header alteration engine that includes a hardware input processor implemented in hardware and a programmable header alteration processor configured to execute computer readable instructions stored in a program memory. The hardware input processor determines whether the packet header is to be provided to a processing path coupled to the programmable header alteration processor or to be diverted to a bypass path that bypasses the programmable header alteration processor, and the packet header is provided to the processing path or to the bypass path based on the determination. The packet header is selectively i) processed by the programmable header alteration processor when the packet header is provided to the processing path and ii) not processed by the programmable header alteration processor when the packet header is provided to the bypass path. |
| US11343357B2 |
Systems and methods for autonomous program detection
Systems and methods for autonomous program management include a device which may transmit data to a client in response to a first request from the client. The data may include a response to the first request and a copy of data available to the device corresponding to the first request or the client. The device may receive a second request including the copy of data from the client. The device may determine that the second request is from an autonomous program rather than a user of the client based on the copy of data from the second request. The device may block at least one subsequent request from the client in response to the determination that the second request is from an autonomous program. |
| US11343356B2 |
Systems and methods for application specific load balancing
The present application is directed towards systems and methods for application specific load-balancing for web servers. A device intermediary to a plurality of clients and a plurality of services executing on a plurality of servers, may receive a request from a client for an application. The device may identify an identifier for the application from a table comprising a list of applications and a corresponding identifier assigned to each application. In an embodiment, the device may establish one or more monitors to monitor each service to determine applications available on each service. In an embodiment, the device may determine that one or more services of the plurality of services provides the application and select a service from the one or more services to forward the request. The device may forward the request to the selected service. |
| US11343353B2 |
Method and system of dispatching requests in a content delivery network
The present disclosure disclosed a method and a system for precisely dispatching a request in a content delivery network (CDN), which comprises: a domain name system (DNS) authorized by a CDN of a target website receiving, from a local DNS of a terminal in which a client is located, an IP address of the local DNS and a domain name of the target website of service content requested by the client; finding, in a shared dispatching database, an address of an optimal CDN node server of the target website that is suitable for providing service to the client based on the IP address of the local DNS and the domain name of the target website, returning the found address to the client. The disclosed method and system are able to solve the issue of low processing efficiency in CDN caused by an increase in resolution time needed in a process of IP dispatching and the issue of address error during the dispatching. |
| US11343343B2 |
Method of, and a message broker function for, detecting race conditions in a service based communication architecture network
A method of detecting race conditions in a service based communication architecture network (600) comprising a Message Broker, MB, function (210) mediating messages, relating to service procedures, between one or more services available to a User Equipment, UE, (11) communicating within the service based communication architecture network (600). The method comprising receiving, by the MB (210), from the services, a message relating to at least one of start and end of a service procedure. Determining, by the MB (210), based on the received message, that the service procedure causes a race condition, and intervening, upon detection of a race condition, in executing the service procedures. There is also provided a Message Broker, MB, function (210) arranged for detecting and handling race conditions, a communication network (600) comprising an integrated message broker and race condition handler (210) and a computer program product. |
| US11343341B2 |
Push notifications from multiple tenant servers
An indication is sent to a host server device. The indication includes a request for a push notification service identification (PNSID). The PNSID is used to establish a secure registration between one or more applications on the computing device of a user and the host server device. The PNSID is received from the host server device. An input is received from the user. The input includes one or more application server devices that may send push notifications to the computing device. A unique key is generated for each application server device. The PNSID and a different unique key are sent to each application server device. Each different unique key is associated with a different application server device. A registration is received from each application server device. |
| US11343339B1 |
Method and system for monitoring an activity of a user
A method for tracking an activity of a user. The method includes receiving, by a tracking element, compressed user activity information representative of activities performed by the user during a visit to a web page; receiving, by the tracking element, web page content information representative of web page content displayed to the user during the visit; decompressing the compressed user activity information; and generating user visit information by the tracking element. |
| US11343337B2 |
Systems and methods of determining node metrics for assigning node profiles to categories based on field-value pairs and electronic activities
The present disclosure relates to a method for determining node metrics based on node field-value pairs and electronic activities. The method includes identifying a first node profile. The method includes identifying a plurality of electronic activities associated with the first node profile. The method includes identifying a first group of node profiles of a first category with a predetermined event. The method includes selecting a second group of node profiles. The method includes parsing the plurality of electronic activities to identify creation timestamps and participant characteristics of the electronic activities. The method includes generating an input array based on the timestamps and the participant characteristics. The method includes generating, for each of the second group of node profiles, a respective array. The method includes determining a probability score indicating a likelihood that the node profile belongs to the first category. |
| US11343334B2 |
Software-as-a-service deployment of printing services in a local network
A method for configuring, via a website, a device to provide printing services to a local network is described. The method includes creating, via a website, a service host object that comprises a network address of a device on a local network and a service host name. The method also includes configuring, via the website, one or more printing settings for one or more printing services. The method further includes sending an indication to the device on the local network to run a service manager. The method additionally includes sending an indication to the service manager to run the one or more printing services on the local network based on the one or more printing service settings. |
| US11343333B2 |
Service data transmission method and apparatus, computer device, and computer-readable storage medium
This application discloses a service data transmission method and apparatus, and a device, which belongs to the field of communications. The method can include splitting a service stream into a plurality of service substreams, where the service stream include at least one of an asymmetric service stream and a hybrid service stream. The method can further include establishing network slices respectively corresponding to the plurality of service substreams, at least one network slice corresponding to the service substreams being transmitted by using a packet duplication mechanism, and transmitting service data of each service substream by using the network slices corresponding to the each service substream. |
| US11343329B1 |
Techniques for increasing persistent connection scalability
This disclosure describes, in part, techniques for increasing persistent connection scalability. For instance, a server may establish persistent connections with sources. The server may then determine, based on the types of persistent connections, an amount of at least one resource in use. For example, the server may determine that a first type of connection, such as an idle connection, uses a first amount of the resource(s) and a second type of connection, such as an active connection, uses a second amount of the resource(s). The server may then determine if the amount of the at least one resource in use satisfies one or more thresholds. If the amount of the at least one resource in use satisfies the one or more thresholds, the server may perform one or more actions. For example, the server may cease establishing new persistent connections, migrate the first type of connections, and/or migrate the second type of connections. |
| US11343328B2 |
Failover prevention in a high availability system during traffic congestion
In some embodiments, a method detects a state of a first session between a first workload and a second workload. The first workload and the second workload send packets in the first session via a first path to maintain a state of the first session. When the state of the first session indicates the first workload is down, the method receives information for network metrics of network traffic being sent in the first path. The method determines when the second workload should transition from a standby mode to an active mode to take over as an active workload in an active/standby configuration between the first workload and the second workload based on the information for the network metrics. |
| US11343327B2 |
Systems and methods for managing vehicle OBD data in a network of moving things, for example including autonomous vehicle data
Various aspects of this disclosure provide systems and methods for managing vehicle on-board diagnostic (OBD) data in a network of moving things. As non-limiting examples, various aspects of this disclosure provide systems and methods for interfacing with vehicle OBD systems, acquiring OBD data, communicating OBD data, and/or processing OBD data in a network of moving things, for example including OBD data of autonomous vehicles and other vehicles. |
| US11343321B2 |
Efficient provisioning of devices
Disclosed in some examples are methods, systems, and machine readable mediums that provide for the configuration and provisioning of computing devices. In particular, computing devices with limited user interfaces, such as some IoT devices. The functionality of the IoT devices is thus improved to allow for more efficient, more secure, and faster configuration. |
| US11343319B2 |
Method and a system for user authentication in an offline mobile calibration or checklist performing device
The present invention discloses a method and a system for user authentication in an offline mobile calibration or checklist performing device. At first, the work is assigned online in a Calibration Management Software (CMS), where the relevant data is selected and sent to a mobile device. In the field environment as offline, the mobile device requests user credentials from the user, and if valid, the user is able to perform the assigned task. With each obtained result, credentials are asked for saving the results into the mobile device. When the user returns from the field, he/she connects the mobile device with the CMS, and transfers the obtained work data from the mobile device to the CMS. |
| US11343318B2 |
Configurable internet of things communications system
Systems and methods are provided for dynamically configuring an IoT communications system. The IoT communications system receives a client message from an IoT device. The client message includes an endpoint designation (such as by specifying an endpoint in the Server Name Indication (SNI) field of the TLS client hello message). The IoT communications system determines whether the endpoint is associated with a custom or default processing logic and/or settings. Either custom or default processing logic is executed or custom or default settings are applied. |
| US11343311B2 |
Edge computing for internet of things security with blockchain authentication
A device may include a memory storing instructions and processor configured to execute the instructions to receive, by a first blockchain node and via a first base station, a message from a first Internet of Things (IoT) device to a second IoT device, wherein the device corresponds to a first multi-access edge computing (MEC) device located in a first MEC network associated with the first base station. The processor may be further configured to authenticate, by the first blockchain node, the first IoT device using a blockchain associated with a group of IoT devices and send, by the first blockchain node, the message to a second blockchain node in a second MEC device in a second MEC network associated with a second base station servicing the second IoT device, in response to authenticating the first IoT device using the blockchain associated with the group of IoT devices. |
| US11343309B2 |
Server load prediction system and server load prediction method
Provided is a server load prediction system that predicts a server load on a server connected to an apparatus installed in a production process including an apparatus requirement specification storage unit that stores a requirement specification of each apparatus for a server, a server specification storage unit that stores a server specification indicating a capability held by each server, an input information creation unit that receives an input of a calculation condition and creates an input parameter required to execute a simulation for calculating the server load, a server load calculation unit that calculates the server load caused by the apparatus used in a process designated under the calculation condition by executing the simulation, and an output unit that outputs the calculation result. |
| US11343308B2 |
Reduction of adjacent rack traffic in multi-rack distributed object storage systems
An example system may include a first rack including a first access node and a second rack including a second access node and a storage node. The first and second racks are included within a multi-rack distributed storage system. The first access node is configured to receive over a connection with a client a first request for an object data. The connection with the client is uniquely identified by a connection ID independent of source and destination addresses and ports. The first access node is further configured to determine object data locality details of the object data and relocate the connection to the second access node in the second rack when the object data locality details of the object data indicate the object data is located within the second rack. |
| US11343305B2 |
Systems and methods of automating a file download activity
In some embodiments, a robotic process automation (RPA) design interface comprises a dedicated menu item which, when invoked, includes a file download activity into an existing robotic workflow. A configuration interface further enables the developer to set activity parameters such as a download trigger event and a destination folder for the downloaded file. In some embodiments, executing the download activity comprises the RPA robot suspending subsequent activities of the current robotic workflow until the respective download is complete, and automatically determining a set of runtime attribute values (e.g., filename, size, etc.) of the downloaded file. |
| US11343302B2 |
Method for controlling bitrate in realtime and electronic device thereof
Disclosed is an electronic device including a sound receiving circuit, a communication circuit, a processor, and a memory. The memory may store one or more instructions that, when executed, cause the processor to control the electronic device to: make a packet based call with an external electronic device using the communication circuit, to obtain communication environment information of the electronic device, to determine a change in a bitrate of the packet based call based on the obtained communication environment information, to identify whether a voice is received through the sound receiving circuit, and to change the bitrate of the packet based call from a first bitrate to a second bitrate based on a silent section in which the voice is not received through the sound receiving circuit being identified. |
| US11343295B2 |
Systems and methods for providing song samples
An electronic device includes one or more processors and memory storing one or more programs. The one or more programs include instructions for presenting, on a first playback component coupled with the electronic device, a first media content item and receiving an input to preview a second media content item. The one or more programs include instructions for, in accordance with a determination that the electronic device is in a first mode of operation, while the first media content item is presented on the first playback component, presenting a preview of the second media content item on a second playback component. The one or more programs include instructions for, in accordance with a determination that the electronic device is not in the first mode of operation: ceasing presentation of the first media content item and presenting the preview of the second media content item. |
| US11343293B1 |
System and method of enabling a non-host, participant-initiated breakout session in a videoconferencing system, and simultaneously displaying a session view of a videoconferencing session and the participant-initiated breakout session
Methods and apparatus are provided for simultaneously displaying a session view of a videoconferencing session and a participant-initiated breakout session view. The session view displays a video feed of the videoconferencing session to meeting participants of the videoconferencing session on their respective participant computers. The breakout session participants are a subset of the meeting participants. The simultaneous display may be generated by a videoconferencing system to be displayed on a single online meeting user interface, or the simultaneous display may be created from two different videoconferencing systems, one for creating the session view, and another one for creating the participant-initiated breakout session view. |
| US11343292B2 |
Information processing apparatus, information processing system, and remote sharing method
An information processing apparatus includes a processor programmed to execute a process. The process includes obtaining, from apparatus management information associating identifiers of other information processing apparatuses with resources of services being used by the other information processing apparatuses, one or more of the identifiers of the other information processing apparatuses associated with resources of a service available to a user, displaying the obtained one or more of the identifiers of the other information processing apparatuses on a display device as remote connection destinations in association with the resources of the service available to the user such that the resources of the service available to the user are selectable, and performing remote sharing with one or more of the other information processing apparatuses whose identifiers are associated with a resource selected on the display device from the resources of the service available to the user. |
| US11343287B2 |
Electronic device and method for maintaining call function in electronic device
According to various embodiments, an electronic device may include at least one antenna module; and at least one processor configured to receive a communication service from a first communication network, a second communication network, and an IP multimedia subsystem (IMS) network via the at least one antenna module, wherein the at least one processor may be configured to: access the first communication network based on first identification information which corresponds to the first communication network, via the accessed first communication network, based on second identification information which corresponds to the IMS network, request the IMS network to register the electronic device, if registration request to the IMS network fails, access the second communication network, and request the IMS network to register the electronic device via the second communication network. Other various embodiments are possible. |
| US11343286B2 |
Media device content review and management
Systems and methods may be provided to monitor media content on a monitored media device, including multimedia content, to determine whether the content is appropriate for the monitored device or devices, and to take action to remove, filter or otherwise block inappropriate content. The content monitored may include, for example, content such as audio content, video content, images, and text. |
| US11343285B2 |
Multi-access edge computing services security in mobile networks by parsing application programming interfaces
Techniques for providing multi-access edge computing (MEC) services security in mobile networks (e.g., service provider networks for mobile subscribers, such as for 5G networks) by parsing Application Programming Interfaces (APIs) are disclosed. In some embodiments, a system/process/computer program product for MEC services security in mobile networks by parsing APIs in accordance with some embodiments includes monitoring network traffic on a mobile network at a security platform to identify an API message associated with a new session, wherein the mobile network includes a 5G network or a converged 5G network that includes a multi-access edge computing (MEC) service; extracting mobile network identifier information from the API message at the security platform; and determining a security policy to apply at the security platform to the new session based on the mobile network identifier information. |
| US11343284B2 |
Data processing systems and methods for performing privacy assessments and monitoring of new versions of computer code for privacy compliance
In various embodiments, a data map generation system is configured to receive a request to generate a privacy-related data map for particular computer code, and, at least partially in response to the request, determine a location of the particular computer code, automatically obtain the particular computer code based on the determined location, and analyze the particular computer code to determine privacy-related attributes of the particular computer code, where the privacy-related attributes indicate types of personal information that the particular computer code collects or accesses. The system may be further configured to generate and display a data map of the privacy-related attributes to a user. |
| US11343283B2 |
Multi-tenant network virtualization infrastructure
Some embodiments provide a method for a network management and control system that manages a virtual infrastructure deployed across a set of datacenters. Based on input from a top-level user of the virtual infrastructure, the method deploys a first logical network within the virtual infrastructure and defines one or more second-level users of the virtual infrastructure. The method receives input from a second-level user of the virtual infrastructure to define a second logical network and connect the second logical network to the first logical network. The first and second logical networks use a same data model and the second-level users are restricted from viewing configuration of the first logical network. |
| US11343281B2 |
Enhanced web application security communication protocol
In one embodiment, a device of a first security type obtains an application message for an application transaction along with a transaction ID. The device inserts an instruction related to the application transaction into a first header of the application message, and sends the application message downstream. The device may then receive an application response message from a downstream device in response to the application message, the downstream device of a second security type different from the first security type, the application response message having a reply to the instruction in a second header of the application response message and the transaction ID correlating the application response message to the application transaction. As such, the device may then perform one or more reactive actions in response to the reply to the instruction. In another embodiment, the downstream device conversely receives the instruction and inserts the reply. |
| US11343273B2 |
Method of reducing DoS attacks using voice response in IoT systems
The invention discloses a method of reducing Denial of Service (DoS) attack in an Internet of Things (IoT) system. The method provides real time communication between a sender node and receiver node by multiplexing control channel (that uses voice traffic) and data channel (that uses internet protocol traffic). Further an IoT system is disclosed. The communication channel between the sender node and the receiver node is configured to divide into a control channel to perform a handshake to the receiver node and data channel to carry data. Also to prevent DoS attack ports are changed periodically using the control channel. The advantages include reduced DoS attack in the network, low memory footprint of less than 2 KB and the communication is real time. The system and method may be used in commercial IoT deployments like environmental monitoring, smart grid, smart cities and health care. |
| US11343269B2 |
Techniques for detecting domain threats
An inventory of Internet-facing assets related to a username within a social media site is generated using network data gathered from network data sources. Using data sources of known threats, such as malware, phishing attempts, scam pages, blacklisted sites, and so on, a network analytic system generates analytical information about components that are owned, managed, and/or controlled by a target entity. A measure of identity threat is generated based on a classification model using the analytical information. |
| US11343261B2 |
Technologies for proving packet transit through uncompromised nodes
Technologies for proving packet transit through uncompromised nodes are provided. An example method can include receiving a packet including one or more metadata elements generated based on security measurements from a plurality of nodes along a path of the packet; determining a validity of the one or more metadata elements based on a comparison of one or more values in the one or more metadata elements with one or more expected values calculated for the one or more metadata elements, one or more signatures in the one or more metadata elements, and/or timing information associated with the one or more metadata elements; and based on the one or more metadata elements, determining whether the packet traversed any compromised nodes along the path of the packet. |
| US11343260B2 |
Gradual credential disablement
A method for a gradual credential disablement is provided. The method includes receiving, at data processing hardware, a request for access to a resource. The request includes a request authenticator. The method also includes comparing, by the data processing hardware, the request authenticator against a security credential associated with the resource. The method further includes determining, by the data processing hardware, whether the request authenticator satisfies the security credential. When the request authenticator satisfies the security credential, the method includes granting or denying, by the data processing hardware, access to the resource based on a request failure rate associated with the security credential. |
| US11343259B2 |
Electronic system for dynamic stepped multi-level authentication
Embodiments of the invention are directed to systems, methods, and computer program products for dynamic stepped multi-level authentication. The invention is structured for progressively authenticating transmitted activity processing data over escalating authentication levels using electronic communications between network devices over separate communication channels. Specifically, the invention is structured to authenticate the first activity for a first authentication level based on determining a spatial congruence of the user device and the resource instrument device associated with the first activity. Moreover, the invention is structured to trigger a second authentication level requirement above the first authentication level based on at least the first authentication level and resource activity processing data. In addition, the invention is structured to escalate the authentication of the first activity to the second authentication level based on successful validation of the authentication response provided by the user at the user device. |
| US11343254B2 |
Reducing latency
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for reducing latency in network communications and data presentation. In one aspect, a user session is initiated in which data related to an account is presented to the user. A user group to which the given user has been assigned is identified. A first dataset related to the account is selected based on the user group. A second dataset related to the account is selected based on types of data previously requested by various other users in the user group. A user interface for the account is updated to present at least a portion of the first dataset. Latency in updating the user interface is reduced when presenting additional portions of the first dataset or the second dataset by providing, to the client device, the second dataset prior to receiving a request for the second dataset. |
| US11343252B2 |
Kernel level application data protection
Disclosed are various examples for kernel level application data protection. In one example, a security label map is written to a kernel layer. The security label map includes a security label and a list of permitted applications for files originated by a protected application. A file access system call is intercepted by kernel-level management instructions. An application identity is identified for an application requesting to access a secure file. Access to the secured file is permitted or denied based on a comparison of the application identity with the list of permitted applications. |
| US11343251B2 |
Secure authorization provisioning using variant profiles
Systems and methods include a computer-implemented method for using variant profiles, including the following. A composite profile for a user is generated by a variant profile system. The composite profile defines resource authorizations for the user. At least one sub-profile is generated for the user. Each sub-profile includes at least one role-based authorization for a user role, and each role-based authorization is extended to users having a composite profile that includes the sub-profile. A set of variant fields for each sub-profile is received from an administrator. The set of variant fields identifies user-specific fields to which the user has access under the user role. The at least one sub-profile is linked to the composite profile of the user. A user buffer defining authorizations for the user is updated using the composite profile of the user, causing the authorizations to become active. |
| US11343250B2 |
Unified workspace for thin, remote, and SAAS applications
Application-manager software authenticates a user of a client device over a channel. The authentication operation is performed using a directory service. The application-manager software presents a plurality of applications in a GUI displayed by the client device. The plurality of applications depends on the authentication, the client device, and the channel. And the plurality of applications includes a thin application and a software-as-a-service (SaaS) application. The application-manager software receives a selection as to an application from the user. If the selection is for the SaaS application, the application-manager software provisions the SaaS application. The provision includes automatically logging the user onto an account with a provider of the SaaS application using a single sign-on and connecting the user to the account so that the user can interact with the SaaS application. If the selection is for the thin application, the application manager software launches the thin application. |
| US11343249B2 |
Secure internal data network communication interfaces
A system, method, and apparatus for providing secure communications to one or more users through an unclassified network. The system may include a network access management device may have a plurality of internal data network communications interfaces configured to communicate with at least one classified computing device using a National Security Agency (NSA) Commercial Solution for Classified (CSfC) comprised solution and an external data network communications interface configured to communicate with an unclassified network. A network access management device may use an inner NSA CSfC approved tunneling technology, an outer NSA CSfC approved tunneling technology, and a processor configured to perform processing and routing protocols associated with interconnecting the internal data network communications interface and the external data network communications interface. |
| US11343245B2 |
Systems and methods for security of network connected devices
There is provided a method of validating a first computing device based on copies of a distributed database storing a trust parameter indicative of a trusted or untrusted designation for network connected second computing devices, the method performed by a certain second computing device designated as trusted, comprising: receiving a validation request for designation as trusted transmitted by the first computing device designated as untrusted, querying trust-resource(s) to determine whether the first computing device should be designated as trusted or untrusted, when a trust parameter is obtained from the trust-resource, creating a new record storing the trust parameter of the first computing device, a first unique identifier indicative of the first computing device, and a second unique identifier indicative of the certain second computing device, and distributing the new record over the network for local verification and updating of respective copies of the distributed database. |
| US11343244B2 |
Method and apparatus for multi-factor verification of a computing device location within a preset geographic area
A location multi-factor verification method may comprise initiating a boot process of a client device via firmware of the client device, receiving, via a network interface device, an access point (AP) beacon frame identifying a nearby AP, transmitting the AP beacon frame to a location determination service via the network interface device, receiving a geographic location estimation from the location determination service, based on the AP beacon frame, transmitting the geographic location estimation to the nearby AP, and granting a user of the client device access to an operating system of the client device if a boot process authorization instruction is received at the client device via the network interface device. |
| US11343243B2 |
Machine-to-machine streaming authentication of network elements
A system for providing dynamic, multi-factor authentication for machine-to-machine connections using unique authentication streams of chained, cryptographic blocks or codes by generating and managing a root authentication stream of chained cryptographic blocks representing an enterprise. The root authentication stream may be utilized by deployed machine instances to instantiate the unique authentication streams for each of the deployed machine instances, thereby enabling secure and continuous authentication for the machine-to-machine connections. |
| US11343228B2 |
Automatically configuring clustered network services
A computer method and system for determining common network security filter settings for one or more clusters of network servers. Network traffic samples are captured which are associated with a plurality of network servers. The captured network traffic samples are collated with regards to each of the plurality of network servers. The collated network traffic is analyzed for each of the plurality of network servers for determining suggested network security filter settings for each network server. One or more clusters of network servers are determined contingent upon the determined suggested network security filter settings for each of the plurality of network servers. Common network security group filter settings are determined for each determined cluster of network servers. |
| US11343227B2 |
Application deployment in multi-site virtualization infrastructure
Some embodiments provide a method for a network management and control system that manages a virtual infrastructure deployed across a plurality of sites. The method receives a definition of an application to be deployed in the virtual infrastructure. The application definition specifying a first set of the sites at which to deploy the application. Based on the definition of the application, the method assigns the application to a set of security zones defined for the virtual infrastructure. Each respective security zone is restricted to a respective set of the sites. The method deploys the application in a second set of sites based on the first set of sites and the sets of sites to which the set of security zones are restricted. |
| US11343224B2 |
Method for renewing IP address and apparatus
A method for renewing an IP address includes: obtaining, by a controller, DHCP address information from a client, where the DHCP address information includes an IP address of the client, a MAC address of the client, and an address of a DHCP server that assigns the IP address to the client; and when the controller determines that the client is powered off, sending, by the controller by using the address of the DHCP server, an IP renewal request including the IP address and the MAC address to the DHCP server to renew the IP address, until the client registers with the controller. Therefore, the client can use a same IP address every time the client is powered on, and service configurations related to the IP address on the client are continuously effective and do not need to be changed. |
| US11343223B2 |
Communication apparatus, communication method and program
A communication apparatus connected to a virtual apparatus having an address dispensing function via an access network is provided, wherein the communication apparatus includes a communication confirmation unit configured to perform a communication confirmation between the virtual apparatus and the communication apparatus; and an address dispensing unit configured to dispense an address to a user terminal under control of the communication apparatus when communication between the virtual apparatus and the communication apparatus is not able to be confirmed by the communication confirmation unit, and the address dispensing unit causes the user terminal to forcibly release the address when the communication between the virtual apparatus and the communication apparatus is able to be confirmed by the communication confirmation unit. |
| US11343222B2 |
Efficient network stack for wireless application protocols
In embodiments of efficient network stack for wireless application protocols, a network stack receives an application-layer message in a first wireless application protocol that includes a source address and a destination address, maps the source address to an Internet Protocol version 6 (IPv6) source address, and maps the destination address to an IPv6 source address. The source node transmits the application-layer message to a destination node in a mesh network using a network stack that implements a second wireless application protocol using the IPv6 source address, and maps the destination address to an IPv6 source address. |
| US11343221B2 |
Interaction message processing method and apparatus, computer device, and storage medium
A method is performed at an electronic device. The electronic device receives, in a user interface of a social network platform, a to-be-processed interaction message/ The device transmits a message processing request based on the to-be-processed interaction message to a remote server, wherein the remote server identifies one or more target mini application programs based on semantic analysis of the to-be-processed interaction message. The device receives, from the server, a message processing result in accordance with the message processing request. The message processing result includes one or more links to the target mini application programs running on the social network platform. The electronic device displays, in the user interface, a target interaction message for each target mini application program according to the message processing result. |
| US11343217B2 |
Communication system and communication method
A communication system includes a transmission-side processing device, and a reception-side processing device, the transmission-side processing device and the reception-side processing device communicate using a plurality of communication lines, wherein the transmission-side processing device concurrently transmits the same telegraphic messages via each of the plurality of communication lines, and the reception-side processing device is capable of concurrently receiving telegraphic messages via each of the plurality of communication lines, and when a same telegraphic message as a previously received telegraphic message is received later, invalidates the same telegraphic message received later while processing the previously received telegraphic message. |
| US11343215B2 |
User interface for email inbox to call attention differently to different classes of email
A user interface for email users which calls attention to one or more categories of emails in different ways. In some species, at least three categories are used: branded senders with Truemarks; white list buddies; and fraudulent emails which are either not from the domain they purport to be from or in which the content was tampered. The preferred embodiment authenticates emails from branded senders and displays them with the sender's Truemark. Branded sender emails have their Truemarks displayed in the sender column of a list view in the preferred embodiment. In a preferred embodiment, white list senders have either an icon or other graphic or photo they choose displayed to the left or right of the sender column with their name in the sender column. In a preferred embodiment, fraudulent emails have a fraud icon displayed to the left or right of the sender column with a warning in the sender column. Antiphishing processing is also disclosed. |
| US11343214B2 |
Mechanism for associating emails with filter labels
A mechanism is disclosed for generating a composite email for an email conversation. The composite email includes content automatically extracted from a plurality of the emails in the email conversation, and may be generated in response to a user accessing just one of the emails in the email conversation. A mechanism is also disclosed for discovering and recovering lost emails in an email conversation. A mechanism is further disclosed for automatically moving emails from one container to another after an email has been read. These and other advantageous email generating, manipulation, and organization mechanisms are disclosed herein. |
| US11343211B2 |
Digital networking in a welding system
A method for handling a data packet includes a network device receiving the data packet. The method also includes the network device separating first network layer data of the data packet from message data of the data packet. The message data of the data packet includes a source address represented by less than four bytes, a destination address represented by less than four bytes, and a format identifier. The method includes determining whether the destination address of the message data matches an address of the network device or whether the message data indicates a broadcast message. The method also includes the network device processing the format identifier if the destination address of the message data matches the address of the network device or if the message data indicates the broadcast message. The method includes the network device providing the message data to the network device and/or other network devices. |
| US11343207B1 |
Configuring of a shared memory buffer in a network device
An optimization agent optimizes configuration parameters of a shared memory buffer for ports of a network device (e.g., router). The optimization agent located on the network device (or remotely) takes an input state from the network device's switching logic, such as the packets transmitted or dropped per port, and determines port buffer settings to optimize the settings to achieve a goal. The buffer settings can include minimum and maximum buffer limits per port and the goal can be to maximize port utilization or minimize port loss. The optimization agent can then take an action by applying the buffer configurations to the switching logic and repeat the process iteratively until the goal is reached. |
| US11343204B2 |
Datapath for multiple tenants
A novel design of a gateway that handles traffic in and out of a network by using a datapath pipeline is provided. The datapath pipeline includes multiple stages for performing various data-plane packet-processing operations at the edge of the network. The processing stages include centralized routing stages and distributed routing stages. The processing stages can include service-providing stages such as NAT and firewall. The gateway caches the result previous packet operations and reapplies the result to subsequent packets that meet certain criteria. For packets that do not have applicable or valid result from previous packet processing operations, the gateway datapath daemon executes the pipelined packet processing stages and records a set of data from each stage of the pipeline and synthesizes those data into a cache entry for subsequent packets. |
| US11343201B2 |
Intent-based orchestration using network parsimony trees
Novel tools and techniques are provided for implementing intent-based orchestration using network parsimony trees. In various embodiments, in response to receiving a request for network services that comprises desired characteristics and performance parameters for the requested network services without information regarding specific hardware, hardware type, location, or network, a computing system might generate a request-based parsimony tree based on the desired characteristics and performance parameters. The computing system might access, from a datastore, a plurality of network-based parsimony trees that are each generated based on measured network metrics, might compare the request-based parsimony tree with each of one or more network-based parsimony trees to determine a fitness score for each network-based parsimony tree, and might identify a best-fit network-based parsimony tree based on the fitness scores. The computing system might identify and might allocate network resources based on the identified best-fit network-based parsimony tree, for providing the requested network services. |
| US11343190B2 |
TCAM-based load balancing on a switch
In an example, a network switch is configured to operate natively as a load balancer. The switch receives incoming traffic on a first interface communicatively coupled to a first network, and assigns the traffic to one of a plurality of traffic buckets. This may include looking up a destination IP of an incoming packet in a fast memory such as a ternary content-addressable memory (TCAM) to determine whether the packet is directed to a virtual IP (VIP) address that is to be load balanced. If so, part of the source destination IP address may be used as a search tag in the TCAM to assign the incoming packet to a traffic bucket or IP address of a service node. |
| US11343187B2 |
Quantitative exact match distance in network flows
There is disclosed an example of a host computing apparatus, including: an exact match cache (EMC) to perform exact matching according to an exact match tuple; a datapath classifier (DPCLS) to provide wildcard searching in a tuple search space (TSS) including a plurality of subtables, the subtables having one or more rule masks; a controller to receive a first packet having a first property matching a first rule of the classifier table, and forward header data of the packet to a partial rule module (PRM); and the PRM to compute a quantitative distance between the first rule and the exact match tuple of the EMC, and to execute a flow action for the first packet according to the quantitative distance. |
| US11343186B2 |
Apparatus, systems and methods for packet based transmission of multiple data signals
Apparatus, systems and methods for receiving one or more input signals and providing output signals in various video, audio, data and mixed formats are described. One or more input processors receive the input signals. Each of the input processors provides one or more packetized signals corresponding to one or more of the input signals received at the input processor. Each output processor can receive one or more packetized signals and generate one or more output signals. The output signals correspond to one or more of the input signals, additional locally generated signals or data relating to the signals or any combination of such signals. Use of a packet router according to the invention allows input signals encoded as one set of packetized signals to be recombined to provide additional packetized signals incorporating the same or different combinations of the packetized signals. |
| US11343183B2 |
Traffic forwarding between geographically dispersed sites
Example methods are provided to perform traffic forwarding between geographically dispersed first site and second site and to support traffic forwarding via a trunk interface. In one example, the method may include receiving, by a first edge device at the first site, network traffic having a plurality of packets via a trunk interface of the first edge device from a virtual tunnel endpoint, the virtual tunnel endpoint having decapsulated the packets prior to communicating the packets through the trunk interface. The method may further include reading an overlay network identifier from each of the packets to identify a source overlay network of the received network traffic from the multiple overlay networks; modifying each of the packets to include a virtual local area network (VLAN) identifier; and forwarding modified network traffic to a second edge device at the second site to identify the destination network based on the VLAN identifier. |
| US11343179B2 |
Transfer device and transfer method
A transfer apparatus configured to control transfer of a packet from a transmission source node to a destination node through segment routing includes: a storage unit storing node management information T1 indicating, for each node that functions as a transmission source node or a destination node, an SID list acquisition method of the nodes; a packet reception unit for receiving a reception packet from the destination node; an information setting unit for, if a destination-side SID list acquisition method of the destination node and a transmission source-side SID list acquisition method of the transmission source node do not match each other based on the node management information T1, setting the information that is needed to execute the transmission source-side SID list acquisition method in the reception packet; and a packet transmission unit configured to transmit the reception packet that was subjected to the setting to the transmission source node. |
| US11343178B2 |
Network service header (NSH) relaying of serviceability of a service function
A network node in a service function chain system receives a peer detection packet from a service function device in a service function path. The peer detection packet includes an inner packet with a header, such as a network service header. The network node detects a status indicator in the header that indicates a degradation in performing a service function at the service function device. The network node adjusts the service function path to compensate for the degradation in performing the service function at the service function device. |
| US11343177B2 |
Technologies for quality of service based throttling in fabric architectures
Technologies for quality of service based throttling in a fabric architecture include a network node of a plurality of network nodes interconnected across the fabric architecture via an interconnect fabric. The network node includes a host fabric interface (HFI) configured to facilitate the transmission of data to/from the network node, monitor quality of service levels of resources of the network node used to process and transmit the data, and detect a throttling condition based on a result of the monitored quality of service levels. The HFI is further configured to generate and transmit a throttling message to one or more of the interconnected network nodes in response to having detected a throttling condition. The HFI is additionally configured to receive a throttling message from another of the network nodes and perform a throttling action on one or more of the resources based on the received throttling message. Other embodiments are described herein. |
| US11343172B2 |
Method of activating and deactivating a data duplication and terminal thereof
A method of activating and deactivating data duplication and a terminal thereof are provided. The method of activating and deactivating data duplication includes: receiving, by a protocol layer entity of the terminal, a command sent by a network side for deactivating or activating a data duplication of a bearer; and instructing, by the protocol layer entity, other protocol layers of the terminal to deactivate or activate a data duplication function of the bearer. |
| US11343168B2 |
Interconnected region controller, interconnected region control method, and computer storage medium
The present disclosure provides a region interconnect (RI) controller including a region interconnect routing module configured when a tenant is created. The region interconnect routing module is configured to assign a first identifier to the tenant for identifying traffic of the tenant, in a core switching network, create a virtual routing forwarding instance for the tenant and bind the first identifier and the virtual routing forwarding instance, and to activate a dynamic routing protocol in the core switching network and bind a dynamic routing protocol instance to the virtual routing forwarding instance, where virtual routers corresponding to the tenant and distributed in a plurality of independent network partitions are associated with the region interconnect control method and a computer storage medium. The technical solution of the present disclosure achieves a direct intranet connection in a heterogeneous SDN network region. |
| US11343167B2 |
Method and system for obtaining forwarding information base of device on network, and device
This application provides a method for obtaining a FIB of a device on a network. The network includes a verification system and a plurality of devices, and a first device is one of the plurality of devices. The first device receives a request message sent by the verification system, where the request message carries a command for obtaining a FIB of the first device that is generated at a specified time. The first device obtains the FIB or a FIB snapshot of the first device that is generated at the specified time. The first device adds the obtained FIB or FIB snapshot to a response message, and sends the response message to the verification system. |
| US11343166B2 |
Health status monitoring for services provided by computing devices
This application sets forth various techniques for monitoring a status of a service. According to some embodiments, a DNS server can implement a health check engine that monitors the status of the service in order to implement round-robin DNS among a plurality of availability zones. Each service instance for the service can include a monitoring agent configured to (1) monitor the status of the service instance, and (2) respond to health check messages received from the health check engine. The monitoring agent can also be configured to (1) collect statistics associated with one or more service dependencies of the service instance during a tracking window, (2) calculate at least one ratio based on the statistics collected during the tracking window, and (3) generate the status of the service instance by comparing the at least one ratio to a threshold value. |
| US11343164B2 |
Method and apparatus for managing network quality in communication system
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Provided are a method and an apparatus for network quality management. An operating method of a controller apparatus for measuring a network quality according to various embodiments of the present disclosure comprises the steps of: receiving a message including information on targets, the network quality of which is to be measured; determining a path between the targets; transmitting information on the path to at least one different network element (NE); and transmitting a measurement request message to at least one of the targets so as to measure the network quality on the basis of the information on the path. Therefore, the method and the apparatus according to various embodiments of the present disclosure can efficiently manage the quality of a network. |
| US11343163B1 |
System and method for improving quality of telematics data
Each of multiple vehicle data collection devices are configured to collect data streams associated with operation of a vehicle. The data streams include time-stamped speed data. A transmitter is configured to transmit the data streams. An analytics server is configured to receive the data streams transmitted by the transmitter and to process the data. In connection with the processing, data streams with at least one common time stamp are identified. The time-stamped speed for one of the data streams at a first time interval is compared to the time-stamped speed for another of the identified plurality of data streams at a second time interval, where the second time interval comprises the first time interval plus an additional time increment. Based on the comparison, it is determined whether the two of the plurality of data streams are associated with a same trip or a different trip. |
| US11343158B2 |
Methods, systems and apparatus for custom interface specification in a cloud management system
Methods, apparatus and articles of manufacture for custom interface specification in a cloud management system are disclosed. An example cloud management system includes: a first interface to communicate with a second interface external to the cloud management system; and a host to manage requests from the second interface and allocate resources to the second interface as a reverse proxy for the second interface with respect to a backend. The example host is to at least: add, at the request of the second interface, an endpoint with respect to the second interface; fetch, at the request of the second interface, data for the endpoint from the backend, the backend identified for the endpoint based on metadata in a component registry; and provide the data from the backend to the second interface. |
| US11343155B2 |
Machine learning algorithms for quality of service assurance in network traffic
The present disclosure generally relates to apparatus, software and methods for predicting future network traffic. The disclosed apparatus, software and methods alleviate congestion and/or increase overall traffic flow by providing methods for reallocating future idle capacity. |
| US11343152B2 |
Traffic management for smart network interface cards
Systems, methods, and computer-readable for load distribution amongst smart network interface cards (sNICs) connected to a host device include a controller. The controller can instantiate an agent in the host device to obtain telemetry information pertaining to the sNICs, where the sNICs can be used for communication between the host device and upstream devices in a software-defined network. The telemetry information indicates service offloading capabilities of the sNICs. The controller can also obtain network topology information pertaining to at least the host device, the sNICs and the upstream devices, and determine load distribution policies for the sNICs based on the network topology information and the telemetry information. The controller can provide the load distribution policies to the one or more upstream devices, where the load distribution policies take into account the service offload capabilities of the sNICs. |
| US11343150B2 |
Validation of learned routes in a network
Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations. |
| US11343148B2 |
Secure management of devices
This document relates to a process for supporting the management of a variety of types of deployed devices. Administrators utilizing enterprise services can provide generic configuration data using configuration templates, which can be provided to a management server. The management server can then precompute device-specific configuration settings and resolve any conflicts that may arise based on the configuration templates. The configuration templates can also include placeholders for secret values, and once a managed device checks in to the management server, the secret values can be retrieved from an applicable enterprise service and provided to the managed device at the time of applying the configuration template. |
| US11343146B1 |
Automatically determining configuration-based issue resolutions across multiple devices using machine learning models
Methods, apparatus, and processor-readable storage media for automatically determining configuration-based issue resolutions across multiple devices using machine learning models are provided herein. An example computer-implemented method includes training, using historical data related to device information and device configuration information from a set of devices, multiple machine learning models; determining, in connection with input data associated with a given device from the set of devices, a device issue and a corresponding device issue resolution, by processing the input data using at least a first of the machine learning models; identifying additional devices within the set of devices that are similar to the given device by processing the input data using at least a second of the machine learning models; and performing, based on the determined device issue resolution, automated actions in connection with the given device and at least a portion of the identified additional devices. |
| US11343138B2 |
Method and apparatus for fault tolerant ethernet time synchronization
The present application generally relates to network timing synchronization in the presence of link faults including apparatus and methods In various embodiments, a method includes generating a time synchronization signal, transmitting the time synchronization signal from a first switch to a second switch via a first link and from the first switch to a third switch via a second link, detecting a link failure of the first link, and transmitting the time synchronization signal from the second switch to the third switch via a third link in response to the link failure. |
| US11343136B2 |
System for real time recovery of resource transfers over a distributed server network
A system is provided for real time recovery of resource transfers over a distributed server network. In particular, the system may comprise one or more computing systems within a distributed server network, where each computing system may be a node which hosts a copy of a distributed electronic data register. Upon receiving a resource transfer request, the system may, via a system sequence monitor, monitor the various nodes for status updates on the resource transfer. Upon detecting that a node has failed to execute one or more steps in the resource transfer process, a resource transfer restorer may perform a restore process based on the information stored within the distributed data register. The system sequence monitor may further monitor the restore process to ensure the successful completion thereof. In this way, the system may provide instantaneous recovery of failed resource transfers. |
| US11343129B2 |
Method and system for providing code cover to OFDM symbols in multiple user system
The present disclosure discloses a method and a system for providing a code cover to Orthogonal Frequency Division Multiplexing (OFDM) symbols in a multiple user system. A data sequence is received from each of a plurality of users. Further, a reference sequence is generated for the data sequence of each of the plurality of users. Each of the reference sequence is multiplied with a code cover which are orthogonal to each other. Each of the reference sequence is time-multiplexed with corresponding data sequence, to generate a corresponding multiplexed sequence. Further, a Discrete Fourier Transform (DFT) is performed on each of the multiplexed sequence to generate a corresponding DFT-spread-Orthogonal Frequency Division Multiplexing (DFT-s-OFDM) symbol. Lastly, the corresponding DFT-s-OFDM symbol is processed for transmitting over corresponding one or more channels. |
| US11343128B2 |
Method and device for transmitting measurement reference signal
Disclosed is a method for transmitting a measurement reference signal. The method includes: acquiring port information corresponding to a measurement reference signal according to at least one of received signaling information or an agreed rule; and transmitting the measurement reference signal according to the port information. Also disclosed are a method and device for sending signaling information, a method and device for receiving signaling information, a method for transmitting an uplink reference signal, a device for transmitting a measurement reference signal, an electronic device, and a storage medium. |
| US11343127B2 |
Method for demodulating digital signals using multiple digital demodulators
Method for processing a sequence of digital signal samples including a first sub-sequence and a second sub-sequence. Forming a first block of samples comprising the first sub-sequence and a second block of samples comprising header samples followed by the second sub-sequence. Demodulating the first block of samples through a digital demodulator to produce a first block of symbols, and the second block of digital signal samples through a second digital demodulator to produce a second block of symbols. The second demodulator implementing a carrier synchronisation or symbol rate synchronisation starting with the header samples, which comprise samples in a number adapted in such a way that the synchronisation is effective before the second demodulator demodulates the second sub-sequence. Reconstructing a sequence of symbols by concatenating the first symbol block with the second symbol block. |
| US11343126B2 |
Low-latency channel equalization using a secondary channel
An equalization method has been developed for low latency, low bandwidth wireless communication channel environments. With this method, an exact copy, nearly exact copy, or some facsimile of a message (or associated information), which was transmitted via a low latency, low bandwidth wireless communication channel, is also sent via a backend communication channel such as a fiber optic network. Equalization is generally performed by comparing the originally received message to the copy sent via the backend channel. The original message can incorporate an added channel delay to compensate for the time delay between the primary wireless channel and the backend channel. |
| US11343124B2 |
Base station wireless channel sounding
An example method may include a processing system of a base station having a processor selecting a blank resource of a time and frequency resource grid of the base station for a transmission of a channel sounding waveform and transmitting the channel sounding waveform via the blank resource. Another example method may include a processing system of a channel sounding receiver receiving at a location, from a base station, a channel sounding waveform via a blank resource of a time and frequency resource grid of the base station, and measuring a channel property at the location based upon the channel sounding waveform. |
| US11343123B2 |
Sensing-assisted channel estimation
Some embodiments of the present disclosure provide for use of a linear chirp signal as a basis for a sensing signal. Modification of the linear chirp signal by a signature function can allow a receiver of the sensing signal to determine an identity for a source of the sensing signal. Accordingly, upon processing the received sensing signal to obtain path parameter estimates, the receiver can direct a transmission of an indication of the path parameter estimates to the source of the sensing signal. Aspects of the present application relate to performing multi-node, multi-path channel estimation on the basis of processing the received sensing signal. Conveniently, the processing is performed with low complexity. |
| US11343120B2 |
ACTN virtual network augmentation for resource sharing
A method of managing a virtual network, VN, comprising a plurality of VN members comprises associating (710) one or more of the VN members with a first group, the first group including VN members requiring dedicated resource allocations for their corresponding network tunnels, and associating (720) others of the VN members with a second group, the second group comprising VN members that may share resource allocations with other VN members of the second group. Paths are assigned (730, 740) through the one or more physical network domains for the VN members such that the assigned paths for the VN members of the first group provide dedicated resource allocations to each VN member of the first group and such that at least one pair of VN members of the second group traversing a common physical link share a bandwidth allocation for the common physical link. |
| US11343118B2 |
User station for a serial bus system and method for transmitting a message in a serial bus system
A user station for a bus system and a method for transmitting a message at different bit rates in a bus system. The user station includes a transmitting stage for transmitting a message on a bus line of the bus system. The transmitting stage switches between a first operating mode and a second operating mode when transmitting different phases of a message. The transmitting stage, in the first operating mode, generates a first data state as a bus state having different bus levels for two bus wires of the bus line, and generates a second data state as a bus state having the same bus level for the two bus wires of the bus line. The transmitting stage, in the second operating mode, generates the first and second data state in each case as a bus state having different bus levels for the two bus wires of the bus line. |
| US11343116B2 |
Method and system for detecting and defending against abnormal traffic of in-vehicle network based on information entropy
A method for detecting and defending against abnormal traffic of an in-vehicle network based on information entropy, including the following steps: step 1: setting a sliding window; step 2: setting a threshold; step 3: collecting and processing traffic; step 4: calculating information entropy in the sliding window when the window is full; and step 5: detecting traffic of a controller area network (CAN) bus and an in-vehicle Ethernet. Based on impact of abnormal traffic on the information entropy, the information entropy in the sliding window is calculated in real time and compared with the preset thresholds, to detect whether an abnormality occurs. |
| US11343115B2 |
Connecting a domestic appliance to a remote control
A domestic appliance, e.g. a refrigerator, has a switching element and a network interface for connecting the domestic appliance to a local network. The domestic appliance has precisely one switching element, in particular a pushbutton, and can be connected to a remote control via the local network by actuating the switching element. A method is used to operate a domestic appliance which has precisely one switching element and a network interface for connecting the domestic appliance to a local network. The domestic appliance is connected to a remote control via the local network by actuating the switching element. |
| US11343111B2 |
Quota management in mobile edge computing (MEC)
Systems, methods, and software for performing online charging in next generation networks. In one embodiment, a Mobile Edge Computing (MEC) server is implemented at a Radio Access Network (RAN) of a next generation network. The MEC server hosts a plurality of edge applications provisioned to provide MEC services for a session. The MEC server communicates with a Session Management Function (SMF) of the next generation network to acquire a quota of service units for the session. The MEC server then manages the quota by allocating slices of the quota to the edge applications, and transmitting messages to the edge applications indicating the slices allocated to the edge applications. |
| US11343109B2 |
Secure enrollment for physical unclonable function devices
Systems and methods for secure enrollment of physical unclonable function devices include providing a device with an enrollment controller. The enrollment controller receives an enrollment request from an enrollment system and authenticates the request. If the request is authentic, the enrollment controller generates challenges in a pseudorandom order determined by a random seed that is shared with the enrollment system. The enrollment controller issues the challenges to interrogation circuitry coupled to a PUF array and records the responses. The responses are transmitted in encrypted form, and in the pseudorandom order, to the enrollment system. The responses are encrypted using a random number shared with the enrollment system. The enrollment system and the enrollment controller can independently generate the encryption key using the shared random number and/or other securely shared information. |
| US11343107B2 |
System for method for secured logging of events
A system for secured logging of a second event. The system includes a logging device and a triggering device The triggering device receives an input related to the second event, creates second event message based on received input related to the second event, and receives the first set of data related to first logged event from the logging device. The triggering device further creates a first position-lock data from the first set of data, creates a second append request, and provides the second append request to the logging device. The logging device is configured to verify the second append request. Based on positive verification, the logging device creates a logging device signature over a second log-append-approval, and combines the created logging device signature with the provided second append request to form a second logged event. |
| US11343105B2 |
Dialysis machine, external medical equipment and methods for establishing secure communication between a dialysis machine and external medical equipment
The present disclosure relates to a dialysis machine, external medical equipment and to methods for establishing an authenticated connection between a dialysis machine and external medical equipment. The dialysis machine is caused to establish a short-range wireless connection between the dialysis machine and external medical equipment. A first shared key is associated with the short-range wireless connection. The dialysis machine is further configured to obtain a second shared key generated using the first shared key and to generate a first signature, using the obtained second shared key. The dialysis machine is further configured to send, to the external medical equipment, an authentication request comprising the generated first signature and to receive in return an authentication accept comprising a second signature. Furthermore, the dialysis machine is configured to verify the authenticity of the external medical equipment using the second signature. |
| US11343104B2 |
Method for establishing secured connection, and related device
The present invention provides a security authentication method, a configuration method, and a related device. A first terminal receives a public key for signature of a configuration device sent by the configuration device. The first terminal receives second signature information and second type information. The first terminal determines, according to at least the second type information and the second signature information, that the first terminal is to generate key information. In this way, the first terminal establishes a security connection between the first terminal and the second terminal. This effectively prevents a terminal from tampering with its role, and therefore effectively prevents a terminal from establishing a connection to an attacker terminal with a changed role, thereby further preventing the attacker terminal from obtaining information of the terminal, to effectively ensure security of the terminal. |
| US11343103B2 |
Sending cross-chain authenticatable messages
Disclosed herein are computer-implemented methods; computer-implemented systems; and non-transitory, computer-readable media, for sending cross-chain messages. One computer-implemented method includes storing, through consensus of blockchain nodes of a first blockchain network, an authenticable message (AM) associated with a first account to a blockchain associated with the first blockchain network, where the AM comprises an identifier of the first blockchain network, information of the first account, information of a recipient of the AM, and content of the AM. The AM and location information is transmitted to a relay to be forwarded to the recipient located outside of the first blockchain network, where the location information identifies a location of the AM in the blockchain and the recipient includes one or more accounts outside of the first blockchain network. |
| US11343102B2 |
Password protection based on Merkle tree proofs
An approach is provided that receives a password that corresponds to a user identifier. A number of hashing algorithms are retrieved with the specific hashing algorithms that are retrieved being based on the received user identifier. The password is hashed using each of retrieved hashing algorithms resulting in a number of hash results. The hash results are combined with the combining of the hash result eventually resulting in a combined hash result. An expected hash result that corresponds to the user identifier is retrieved and compared to the combined hash result. The password is verified based on the results of the comparison. |
| US11343098B2 |
Systems and methods of securing digital conversations for its life cycle at source, during transit and at destination
The systems and methods of securing digital conversations for its life cycle, comprising: establishing a secure channel on a private network to receive communication on a first profile from another profile on a whitelist using alias and digital keys; establishing a cryptographic key that is of a length that is supported by the computing device of the first profile; sending an encrypted conversation with digital signature using a first temporal key of detected cryptographic key length to a second profile; storing the sent conversation in a digital vault with the first temporal key; receiving an encrypted response with digital signature using a second temporal key from the second profile; decrypting the response after validating the digital signature; re-encrypting the response with a third temporal key; storing the re-encrypted response in the digital vault with the third temporal key. |
| US11343089B2 |
Cryptography system and method
A cryptography system for the protection of data in transit using a post-quantum encryption key management system that eliminates the need for PKI or other asymmetric key management systems used in today's solutions, while allowing encryption of data in transit with no hands-on management including configuration of routers, switches, etc. The present system includes a multi-factor post-quantum key management mechanism that strengthens existing symmetric encryption systems and industry standard key generators on existing hardware through the post-quantum age. |
| US11343088B1 |
Systems and methods for quantum optical device authentication
Quantum optical device authentication technologies are described herein. A first device includes an optical transmitter transmits a plurality of pulses to an optical receiver included on a second device. The optical pulses each have one of two non-orthogonal optical states. The optical receiver measures each of the pulses and the second device records a measured value of the optical state of each pulse. Subsequently, the second device transmits the measured values of the optical states of the pulses to the first device. The first device outputs an indication of whether the second device is authenticated based upon the measured values received from the second device and the optical states of the pulses transmitted by the optical transmitter. |
| US11343087B1 |
Systems and methods for server-side quantum session authentication
Systems, apparatuses, methods, and computer program products are disclosed for session authentication. An example system includes encoding circuitry configured to generate, based on a first set of quantum bases, a set of qbits, and transmit the set of qbits over a quantum line, wherein the encoding circuitry is further configured not to transmit the first set of quantum bases. The example system further includes decoding circuitry in communication with the encoding circuitry over the quantum line, the decoding circuitry configured to receive, over a quantum line, the set of qbits, and decode, based on a second set of quantum bases, the set of qbits to generate a decoded set of bits. The example system further includes session authentication circuitry configured to generate a session key based on the decoded set of bits. |
| US11343084B2 |
Public key exchange with authenticated ECDHE and security against quantum computers
Elliptic Curve Cryptography (ECC) can provide security against quantum computers that could feasibly determine private keys from public keys. A server communicating with a device can store and use PKI keys comprising server private key ss, device public key Sd, and device ephemeral public key Ed. The device can store and use the corresponding PKI keys, such as server public key Ss. The key use can support all of (i) mutual authentication, (ii) forward secrecy, and (iii) shared secret key exchange. The server and the device can conduct an ECDHE key exchange with the PKI keys to mutually derive a symmetric ciphering key K1. The device can encrypt a device public key PK.Device with K1 and send to the server as a first ciphertext. The server can encrypt a server public key PK.Network with at least K1 and send to the device as a second ciphertext. |
| US11343083B2 |
Method for key sharing between accelerators in virtual channel
A host processing device instructs a plurality of virtual data processing (VDP) accelerators, configured on each of a plurality of data processing accelerators. The VDP accelerators configure themselves for secure communications. The host device generates an adjacency table of each of the plurality of VDP accelerators. Then the host device then establishes a session key communication with each VDP accelerator and sends the VDP accelerator a list of other VDP accelerators that the VDP accelerator is to establish a session key with, for secure communications between the VDP accelerators. The VDP accelerator establishes a different session key for each pair of the plurality of VDP accelerators. When all DP accelerators have established a session key for communication with other VDP accelerators, according to the respective list of other VDP accelerators sent by the host device, then the host device can assign work tasks for performance by a plurality of VDP accelerators, each communicating over a separately secured virtual communication channel. |
| US11343075B2 |
RAM hashing in blockchain environments
Blockchain environments may mix-and-match different encryption, difficulty, and/or proof-of-work schemes when mining blockchain transactions. Each encryption, difficulty, and/or proof-of-work scheme may be separate, stand-alone programs, files, or third-party services. Blockchain miners may be agnostic to a particular coin's or network's encryption, difficulty, and/or proof-of-work schemes, thus allowing any blockchain miner to process or mine data in multiple blockchains. GPUs, ASICs, and other specialized processing hardware components may be deterred by forcing cache misses, cache latencies, and processor stalls. Hashing, difficulty, and/or proof-of-work schemes require less programming code, consume less storage space/usage in bytes, and execute faster. Blockchain mining schemes may further randomize byte or memory block access, further improve cryptographic security. |
| US11343071B2 |
Extended ciphertexts
Examples discussed herein disclose, among other things, an encrypting device. The encrypting device may include a format preserving encryptor to obtain a plaintext, obtain a key from a plurality of keys stored in a key database, and encrypt the plaintext using the key to produce a ciphertext having a length of the plaintext. The encrypting device may also include a key reference embedder to obtain a key reference associated with the key, and generate an extended ciphertext by adding to the ciphertext a set of characters associated with the key reference, such that the key reference can be determined based on the extended ciphertext. |
| US11343065B2 |
Serial bidirectional communication circuit and method thereof
A serial bidirectional communication method is provided. The method includes: performing a downlink transmission and performing an uplink transmission. The downlink transmission includes: receiving first downlink data through a first transmission terminal, wherein the first downlink data comprises at least one control command, and the at least one control command is cascaded and configured to control at least one electronic device; removing one, corresponding to a local device, of the at least one control command from the first downlink data to form second downlink data, wherein the local device is one of the at least one electronic device; and when there is a control command remaining in the second downlink, outputting the second downlink data through a second transmission terminal. The uplink transmission includes outputting first uplink data through the first transmission terminal. The first uplink data includes local information generated by the local device. |
| US11343059B2 |
Apparatus, method and computer program for determining a duplex resource scheme for a localized communication in a mobile communication system
The present invention relates to an apparatus, a method and a computer program for determining a duplex resource scheme for a localized communication in a mobile communication system, and to a method for a vehicle, which uses the determined resource scheme for the localized communication in the mobile communication system. The method for determining a duplex resource scheme for a localized communication in a mobile communication system comprises obtaining environmental perception data. The environmental perception data relates to a plurality of road users. The method further comprises predicting a plurality of radio resources required for a communication of the plurality of road users based on the obtained environmental perception data. The method further comprises determining the duplex resource scheme based on the predicted plurality of radio resources required for the communication of the plurality of road users. |
| US11343055B2 |
User terminal and radio communication method for controlling channel state information
To appropriately control CSI reporting even when CSI reporting is performed by applying a method different from a method used in existing LTE systems. A user terminal includes: a receiving section that receives downlink control information indicating activation or deactivation of semi-persistent channel state information; and a control section that controls transmission of the semi-persistent channel state information by making an interpretation of a certain bit field included in the downlink control information based on an RNTI applied to a CRC of the downlink control information. |
| US11343054B2 |
Communication method, network device, and terminal device
This application provides example communication methods, terminal devices, and network devices. One example method includes configuring, by a network device, a first bandwidth part BP and a second BP for a terminal device. The network device then sends a first TB to the terminal device. When the first BP and the second BP correspond to a same physical parameter, the first TB is mapped onto the first BP and the second BP. When the first BP and the second BP correspond to different physical parameters, the network device further sends a second TB to the terminal device, where the first TB is mapped onto the first BP, and the second TB is mapped onto the second BP. |
| US11343048B2 |
Physical broadcast channel design
Briefly, in accordance with one or more embodiments, apparatus of an evolved NodeB (eNB) comprises circuitry to configure one or more parameters for a 5G master information block (xMIB). The xMIB contains at least one of the following parameters: downlink system bandwidth, system frame number (SFN), or configuration for other physical channels, or a combination thereof. The apparatus of the eNB comprises circuitry to transmit the xMIB via a 5G physical broadcast channel (xPBCH) on a predefined resource, the xPBCH comprising a xPBCH. The xPBCH may use a DM-RS based transmission mode, and a beamformed xPBCH may be used for mid band and high band. |
| US11343044B2 |
Information transmission and data demodulation methods and apparatuses, communication node, and network side device
Provided are information transmission and data demodulation methods and apparatuses, a communication node, and a network side device. The information transmission method includes: transmitting, by a first communication node, a first demodulation reference signal within a first slot, where candidate positions of the first demodulation reference signal within the first slot at least overlap with candidate positions of a second demodulation reference signal within a second slot, the second slot is a slot within which a second communication node transmits the second demodulation reference signal, and a transmission direction of the first demodulation reference signal within the first slot is different from a transmission direction of the second demodulation reference signal within the second slot. |
| US11343043B2 |
Method and apparatus for diversity-based data transmission in mobile communication system
The present disclosure relates to a communication technique for convergence of IoT technology and a 5G communication system for supporting a higher data transfer rate beyond a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) on the basis of 5G communication technology and IoT-related technology. The present invention relates to an indication method for indicating a diversity-based data transmission method to a terminal by a base station, and a related-based transmission method. |
| US11343042B1 |
Method for transmitting and receiving sounding reference signal in wireless communication system and apparatus therefor
A method for transmitting and receiving a radio signal in a wireless communication system and a device therefor are disclosed. A method for receiving, by a base station, a sounding reference signal (SRS) in the wireless communication system includes transmitting, to a user equipment (UE), configuration information for transmission of the SRS; and receiving, from the UE, the SRS transmitted based on the configuration information. The configuration information includes group hopping information and sequence hopping information for sequence hopping of the SRS. A sequence length of the SRS is based on a product of a number of candidates of the group hopping information and a number of candidates of the sequence hopping information. The number of candidates of the group hopping information and the number of candidates of the sequence hopping information are configured based on a number of neighboring cells of the base station. |
| US11343041B2 |
Method and device for supporting repetitive CSI-RS resource transmission in mobile communication system
The disclosure relates to a communication technique for convergence of a 5G communication system for supporting a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The disclosure may be applied to an intelligent service (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security- and safety-related service, etc.) on the basis of a 5G communication technology and an IoT-related technology. A method is provided for receiving a CSI-RS in a communication system. The method includes acquiring, by a UE, a configuration for a resource set including a resource set identifier, information for at least one CSI-RS resource, and repetition information, wherein a number of the at least one CSI-RS resource is up to a maximum number of CSI-RS resources per resource set, and the repetition information is set as either on or off; acquiring, by the UE from, a CSI-RS resource configuration per CSI-RS resource including a CSI-RS resource identifier, information for a number of CSI-RS ports, and information for an OFDM symbol for the CSI-RS, wherein the number of the CSI-RS ports of the at least one CSI-RS resource within the resource set is 1 or 2, and the at least one CSI-RS resource within the resource set is regarded to be transmitted in different OFDM symbols, in case that the repetition information is set as on; and transmitting CSI based on the configuration for the resource set. |
| US11343040B2 |
Method and apparatus for transmitting and receiving uplink reference signal in wireless communication systems
A method, performed by a user equipment (UE), of transmitting an uplink (UL) reference signal in a wireless communication system is provided. The method includes receiving first information indicating whether to apply transform precoding and pi/2 binary phase shift keying (BPSK) modulation to a physical uplink shared channel (PUSCH), receiving second information indicating whether to apply the pi/2 BPSK modulation to an UL demodulation reference signal (DMRS), and identifying a sequence having characteristics of a first peak-to-average power ratio (PAPR) based on the first information and the second information. |
| US11343036B2 |
Radio communication apparatus, method of processing reception signal, and non-transitory computer readable medium storing program
A radio communication apparatus (100) according to the present disclosure includes a first frequency domain conversion unit (1) configured to convert a reception signal into a first frequency domain signal, a bandwidth restriction unit (2) configured to restrict a bandwidth by extracting a first number of points corresponding to a frequency bandwidth of a desired signal from the first frequency domain signal, a time domain conversion unit (3) configured to convert the signal with the restricted bandwidth into a time domain signal with the first number of points, a symbol reconstruction unit (4) configured to reconstruct symbols from the time domain signal, and a second frequency domain conversion unit (5) configured to convert each of the reconstructed symbols into a second frequency domain signal with the first number of points. Thus, a radio communication apparatus that can efficiently perform signal processing is provided. |
| US11343034B2 |
Methods and apparatuses for downlink control information transmission and receiving
Embodiments of the present disclosure relate to methods and apparatuses for downlink control information (DCI) transmission and receiving in a wireless communication system. A DCI configuration parameter can be first transmitted to a terminal device; and then DCI is transmitted to the terminal device, wherein the DCI configuration parameter indicates time-frequency resources for the DCI. With embodiments of the present disclosure, the UE could perform a flexible DCI monitoring according to the DCI configuration parameter and thus it may support the DCI monitoring occasion change due to numerology and scheduling unit size. |
| US11343031B2 |
Communication processing method and communications apparatus
Embodiments of this application provide a communication processing method. A data volume report reported by a terminal device includes a data volume on one of at least two paths in a radio bearer in a duplication mode, so that signaling overheads in a data volume reporting process of the terminal device can be reduced. |
| US11343030B2 |
Method for repeated transmission, and terminal device
This application discloses a method for repeated transmission and a terminal device. The method implemented by a terminal device includes: determining a transmission time unit used in the first transmission of to-be-transmitted data; determining, by the terminal device based on the determined transmission time unit and a parameter Q, a hybrid automatic repeat request HARQ process used to transmit the to-be-transmitted data, where Q is an integer greater than or equal to 1; and when repeated transmission of the to-be-transmitted data is not terminated before the first specific transmission time unit, performing, starting from the determined transmission unit, one transmission of the to-be-transmitted data in each transmission time unit by using the HARQ process until the last transmission of the to-be-transmitted data is performed in the first specific transmission time unit, where a period of the specific transmission time unit in a time domain resource is Q transmission time units. |
| US11343029B2 |
Method and apparatus for improving resource efficiency in a wireless communication system
Embodiments of the present disclosure relate to methods, apparatuses and computer program products for improving resource efficiency in a wireless communication system. A method implemented at a network device comprises: setting, for a terminal device, a first number of repetitions to be used for a first transmission from the terminal device; detecting the first transmission from the terminal device based on a second number of repetition; in response to detecting the first transmission correctly based on the second number of repetitions, comparing the second number with the first number; and in response to the second number being less than the first number, identifying a resource for remaining repetitions after the second number of repetitions of the first transmission as being reusable for a further terminal device. Embodiments of the present disclosure may improve resource usage efficiency of the wireless communication system, and at the same time support coverage enhancement. |
| US11343019B2 |
Communication apparatus and method
Provided is a communication apparatus and a method that allow for synthesis of information using an original signal and a retransmission signal for retransmitting information of the original signal whose demodulation has failed, in wireless communication with independent physical layer and MAC layer. Information is transmitted regarding a configuration of a retransmission signal for retransmitting information of an original signal whose demodulation has failed to a sender of the retransmission signal, and the retransmission signal transmitted from the sender is received on the basis of the information regarding the configuration of the retransmission signal transmitted. The present disclosure is applicable, for example, to a transmission/reception apparatus, a communication apparatus, an information processing apparatus, electronic equipment, a computer, a storage medium, and a system, and so on. |
| US11343017B2 |
Transmitter and signal processing method thereof
A transmitter is provided, which includes: an encoder configured to generate a low density parity check (LDPC) codeword comprising information word bits, first parity bits and second parity bits based on a parity check matrix; an interleaver configured to interleave the LDPC codeword; and a constellation mapper configured to map the interleaved LDPC codeword on constellation points, wherein the first parity bits are generated based on one of parity submatrices constituting the parity check matrix and the second parity bits are generated based on another of the parity submatrices constituting the parity check matrix. |
| US11343015B2 |
Channel-aware construction of polar codes
Certain aspects of the present disclosure relate to methods and apparatus for channel-war polar code construction. |
| US11343011B2 |
Flexible grid optical spectrum transmitter, receiver, and transceiver
A coherent optical transmitter configured to generate a modulated optical signal within a portion of optical spectrum defined by a spectral position and spectral width, wherein the spectral width is ‘n’ bins where n is an integer greater than 1 and each bin is a same size, and wherein the spectral position and spectral width are specified by to the coherent optical transmitter via a management system. |
| US11343010B2 |
Polarization-dependent loss determining method, detection system, and optical signal transmission structure
A polarization-dependent loss (PDL) determining method includes obtaining two groups of optical powers within first duration, selecting at least one group of target optical powers that satisfy a same power constraint from the two groups of optical powers, where each group of target optical powers includes a first target power and a second target power from the two groups of optical powers, and determining a PDL of the optical device based on the at least one group of target optical powers. |
| US11343004B1 |
Automated wireless local area networking topology mapping
A system, method, and computer readable storage device are provided for collecting data associated with a WiFi signal profile of an area of interest (AOI), analyzing the collected data, and generating a dataset from the data representative of the signal profile. The dataset includes value information and location information, wherein value information include signal data that are to be displayed in a visual representation. The dataset includes values of measured WiFi signal strengths, and in some examples the values are weighted based on one or a combination of device data, interference data, and business-related data. This can enable generation and display of a visual representation that includes a representation of signal strength values based on assessed signal strengths needed to support particular services on particular user devices. The visual representation can be a heatmap that shows color-coded variations in WiFi signal values associated with locations or devices in the AOI. |
| US11343003B2 |
Multi-user pairing method and apparatus, and base station
Embodiments of this application disclose a multi-user pairing method and apparatus, and a base station. The method includes: obtaining an actual downlink channel parameter of user equipment UE at a moment t0; calculating a correlation coefficient between the actual downlink channel parameter at the moment t0 and an actual downlink channel parameter of the UE at a moment t0−Δt; determining a predicted downlink channel parameter of the UE at a moment t1 if the correlation coefficient is less than a preset threshold; and performing a multi-user pairing operation based on the predicted downlink channel parameter at the moment t1. |
| US11343001B2 |
Photon exchange based quantum network and method of operating such a network
Quantum network nodes use light from a laser to stimulate emission of single photons. A detection station detects arrival of the photons from the quantum network nodes at a photon arrival detector. In time slots between single photon emissions, the quantum network node supply light from the laser to the detection station. The detection station measures a phase differences between light from a reference laser and the light received from different quantum network nodes in said time slots. The detection station has optical phase and/or frequency modulators between the optical inputs for light from the quantum network nodes and the photon arrival detector. The detection station uses the measured phase differences in control loops to control the phase or frequency modulator to adjust modulation dependent on the phase difference, so as to establish a predetermined phase relation between the reference laser and the light obtained by modulating the received light from the quantum network nodes in the detection station. The control signal is maintained during the expected time of arrival of photons emitted by the quantum network nodes. |
| US11343000B2 |
Clock recovery for digital subcarriers for optical networks
Optical network systems are disclosed, including a transmitter comprising a digital signal processor that receives data; circuitry that generate a plurality of electrical signals based on the data; a plurality of filters, each of which receiving a corresponding one of the plurality of electrical signals, a plurality of roll-off factors being associated with a respective one of the plurality of filters; a plurality of digital-to-analog converter circuits that receive outputs from the digital signal processor, the outputs being indicative of outputs from the plurality of filters; a laser that supplies light; and a modulator that receives the light and outputs from the digital-to-analog converter circuits, the modulator supplying a plurality of optical subcarriers based on the outputs of the digital-to-analog converter circuits, such that one of the plurality of optical subcarriers carrying information for clock recovery. |
| US11342999B2 |
Method and apparatus for pre-distorting an input signal for an optical transmitter
An approach for pre-distorting an input signal for an optical transmitter so as to at least partially compensate in advance for linear and non-linear distortions of the optical transmitter is provided. |
| US11342997B1 |
Optimized switching fabric with multi-point optics in a data center
An optical communication system including a hub optical transceiver, a power splitter, and a plurality of spoke transceivers. The hub optical transceiver is configured for receiving a spectrum of wavelengths. The power splitter is coupled to the hub optical transceiver, and operates as a passive device that is configured to replicate the spectrum of wavelengths and output a plurality of replicated spectrum of wavelengths, and each replicated spectrum of wavelengths has a corresponding power that is a fraction of a total power received from the hub optical transceiver. The plurality of spoke transceivers is coupled to the power splitter and each of the plurality of spoke transceivers is configured to receive a corresponding one of the plurality of replicated spectrum of wavelengths, wherein each spoke transceiver is tunable to select a band of wavelengths that set a bandwidth for the each spoke transceiver. |
| US11342994B2 |
N-input receiver: RFoG OBI mitigation with retransmission
A multimode combiner or coupler (MMC) may combine the inputs into a larger core multimode fiber. The multimode combiner may be combined with a re-transmitting laser for detecting and re-transmitting signals. Thus, the multi-mode combiner may detect and combine input signals, and then retransmit the detected, combined signal. The detection can be implemented with multiple single mode fibers to small single mode detectors or a multi-mode coupler with a larger multi-mode detectors. In embodiments of the MMC, a bi-directional optical splitter/combiner includes a transmitter for re-transmitting an RF signal received at a receiver, a first wave division multiplexer (WDM) combiner combining the output of the first transmitter in an upstream direction to a downstream signal in a downstream direction, and a second WDM combiner combining split downstream signals in the downstream direction with upstream signals received via at least two optical fiber inputs. |
| US11342988B2 |
Spectrum coordination in optical line protection to minimize optical transceiver retuning
Systems and methods include, responsive to a fault affecting an optical service on an active path in an optical network operating at a frequency μ1 via an optical transceiver and having optical line protection via an optical protection switch, switching to an inactive path that now becomes the active path and finding a new route in the optical network for the inactive path that has the fault; responsive to being unable to find a route at the frequency μ1, switching the inactive path to a new route at a different frequency μ2; and implementing spectrum coordination relative to the inactive path to either determine the frequency μ1 is available on the new route or to find another new route for the inactive path where the frequency μ1 is available. |
| US11342985B2 |
Method for determining a communication path of millimeter wave signal, measurement device and measurement controller using the same
A method for determining a communication path of millimeter wave signal and measurement device using the method includes a first measuring device and a second measuring device. The first measurement device queries a list to determine a first AOD of the first measurement device corresponding to a LOS, and controls the array antenna of the first measurement device to send the millimeter wave signal at the first AOD of the first measurement device corresponding to the LOS to the second measurement device. The second measurement device queries the list to determine a first AOA of the second measurement device corresponding to the LOS, and controls the array antenna of the second measurement device to receive the millimeter wave signal at the first AOA of the first measurement device corresponding to the LOS. Thus, a downlink between the first measurement device and the second measurement device can be quickly established. |
| US11342976B1 |
Orbital angular momentum (OAM) antenna for generating OAM beams
This disclosure presents an orbital angular momentum (OAM) antenna that includes a plurality of concentric antenna arrays, each antenna array corresponding to a different respective OAM order and being comprised of a different respective set of antenna elements arranged at a different respective radius. The OAM antenna also includes a plurality of phase shifters, each phase shifter corresponding to a different respective antenna array of the plurality of concentric antenna arrays. Each phase shifter is configured to trigger the respective set of antenna elements of a corresponding antenna array to generate a respective OAM beam. According to aspects of the disclosure, each OAM beam generated by a respective antenna array has a same divergence angle as the other OAM beams generated by the other respective antenna arrays of the plurality of concentric antenna arrays. |
| US11342975B2 |
Communication method and communication apparatus of vehicle
An electronic device is provided. The electronic device includes a transceiver associated with a plurality of antennas, and at least one processor configured to: transmit a first signal by using a preset first antenna of the plurality of antennas; receive a second signal coupled from the first signal; determine a comparison result by comparing the first signal and the second signal; perform antenna switching based on the comparison result; and use a second antenna based on the antenna switching. |
| US11342972B2 |
Uplink transmission method, uplink transmission scheduling method, and device
Embodiments of the present disclosure disclose an uplink transmission method, an uplink transmission scheduling method and a device. The uplink transmission method is applied to a terminal and includes: performing delay processing of an uplink signal on multiple antenna ports and then transmitting the uplink signal. |
| US11342970B1 |
Techniques for indicating preferred beams in multi-transmission and reception point (multi-TRP) systems based on default operating frequency (DOF) mismatch
This disclosure provides systems, methods and apparatuses for a selection of one or more transmission and reception points (TRPs) within a multi-TRP system. In one aspect, a user equipment (UE) may transmit an indication of the selected TRPs and an indication of one or more beams that the selected TRPs may use to communicate with the UE based on a mismatch between a default operating frequency (DOF) of each TRP within the multi-TRP system and a DOF of the UE. For example, the UE may receive an indication of a DOF of each antenna port of the TRPs within the multi-TRP system and the UE may compare the indicated DOFs with a DOF of each antenna module of the UE. The UE may select to communicate with TRPs and select one or more ports that the selected TRPs may use to communicate with the UE based on the comparison. |
| US11342967B2 |
Method and system for estimating attenuations of the respective uplinks of nominal satellite access station(s) to a VHTS very high throughput telecommunications satellite
A method for estimating, at one and the same given time, a set of attenuations of one or more first radiofrequency RF uplinks, implemented by a VHTS space telecommunications system. In an auxiliary usage step, an on-board regenerative or digital transparent processor DTP generates at least one beacon signal that is or are distributed, in the Q band, to N nominal access stations GWn(i) in order to be measured in terms of power, or measures the spectral power of each traffic signal transmitted by the nominal access stations GWn(i), i varying from 1 to N. In a following step, the attenuation levels An(i) of the uplinks LUn(i) are determined based on the powers of the one or more beacon signals that are measured on the corresponding downlinks LDn(i) in the Q band, or based on the one or more spectral powers, measured by the DTP, of the traffic signals received on the one or more uplinks LUn(i). |
| US11342965B2 |
Transmissions of blocks of data in distributed MIMO systems
A method (200) of transmitting a block of data in a distributed MIMO system is disclosed. The distributed MIMO system comprises a plurality of access points (A1, . . . , AK), wherein access points (Aj) are grouped into a first set of M groups and a second set of M groups, different from the first set, wherein M is an integer. A first antenna port mapping assigns each group of the first set to a unique one of M antenna ports. A second antenna port mapping assigns each group of the second set to a unique one of M antenna ports. The method comprises transmitting (220) the block of data using both the first and the second antenna port mapping. |
| US11342963B2 |
Device and method for low-power bidirectional wireless data telemetry
A device for low-power bidirectional wireless data telemetry includes: a coil unit configured to perform forward telemetry and back telemetry; a full-wave rectifier unit configured to convert an AC voltage into a DC voltage; a current modulator configured to change a magnetic field by altering a path of the AC current generated, when the back telemetry is performed; an energy storage configured to generate a reuse power using the AC current; and a LDO unit configured to generate a source voltage using the power output from the full-wave rectifier unit and the reuse power generated by the energy storage. Accordingly, since the back telemetry and the forward telemetry may be performed simultaneously and the wasted current is reused, the power required for back telemetry may be reduced. |
| US11342962B2 |
Systems and methods for pulse width encoded data communications
A system for wireless communications includes an antenna and a controller, the antenna configured to transmit electrical data signals, the electrical data signals including an encoded message signal. The encoded message signal including one or more encoded message words. The controller is configured to encode one or more message words, of a message signal, into one or more encoded message words of the encoded message signal, based on a coding format. The coding format correlates each of a plurality of correlated ratios with one of a plurality of format words. Each of the plurality of correlated ratios is a ratio of a duty cycle of a pulse to a respective period associated with one or both of the duty cycle and the pulse. Each of the one or more encoded message words are encoded as one of the plurality of correlated ratios. |
| US11342961B1 |
Near field wireless communication device testing using dual-polarity transducer
Methods and apparatus are disclosed for near field radio-frequency (RF) testing of devices, particularly user equipment (UEs) capable of millimeter-wave (mmWave) transmissions. An exemplary test apparatus is described that uses a transducer to facilitate near field over-the-air testing of UEs in the mmWave transmission band. The transducer may be an orthomode transducer and may include a dual-polarity port positioned in the reactive near field of an antenna of a device under test (DUT). For UE signal transmission tests, the orthomode transducer splits test signals received from the antenna of the DUT via the dual-polarity port into a pair of single-polarity RF signals. The single-polarity RF signals are separately fed through a pair of waveguide-to-coaxial adaptors into separate coaxial cables, which feed coaxial transmission versions of the single-polarity RF signals to test equipment for analysis. UE signal reception tests are also described that utilize the same or different orthomode transducer. |
| US11342959B2 |
Positioning transmission of a packet
Provided is a machine-implemented method to send data from an electronic device, comprising positioning transmission of a packet in a channel slot preferred zone of a channel slot instance according to a statistical profile of at least one component of message flow in a network over which the packet is to be transmitted. The method may determine a statistical profile of components of the message flow and select at least one statistical profile as a basis for composing the channel slot preferred zone. The components of the message flow may comprise a sender electronic device, a network, a packet for transmission, a recurring channel slot and a receiver electronic device. |
| US11342958B2 |
Method for antenna selection for concurrent independent transmissions via multiple antennas
A communication device has a controller that selects one of at least two second antennas for concurrent transmission with a first antenna. The controller monitors concurrent communication activity of a first and a second transmitter. Based on the concurrent communication activity, the controller identifies respective transmit power limits associated with intermodulation distortion (IMD) for the first antenna transmitting at the first transmit frequency and one of the at least two second antennas transmitting at the second transmit frequency. The controller identifies available total radiated power (TRP), respectively, for each of the at least two second antennas and connects the second transmitter to one of the at least two second antennas having the highest available TRP to optimize communication performance. |
| US11342950B2 |
Out-of-band radio frequency emission filtering
A system filters out-of-band radio frequency emissions generated by wireless transmission of a first signal by a first transmitter from a wireless transmission of a second transmitter. The first signal is communicated from the first transmitter to the second transmitter via one or more wired connections. An out-of-band portion of a modulated format of the first signal is inverted to generate an inverted out-of-band component signal. The inverted out-of-band component signal is combined with a second signal of the second transmitter to create a filtering second signal. The filtering second signal is wirelessly transmitted from the second transmitter concurrently with wireless transmission of the first signal by the first transmitter, wherein the wireless transmission of the inverted out-of-band component signal in the filtering second signal by the second transmitter is synchronized with the wireless transmission of the first signal by the first transmitter. |
| US11342949B2 |
Transmission system for a body-worn electronic device
A body-worn electronic device, including a loop antenna and a transmitter. The overall physical length of the loop antenna is less than 75% of the vacuum wavelength of a lower limit frequency of the operating frequency range of the transmitter, while the electrical length of the antenna is from 0.9 to 1.1 times the guided wavelength of the lower limit frequency of the operating frequency range of the transmitter. The loop antenna includes a plurality of conductors which are connected in series by inductors so as to increase the electrical length of the loop antenna. |
| US11342948B1 |
Mixer module for mixing a radio frequency signal
A mixer for mixing a radio frequency signal is described. The mixer includes a local oscillator input, a phase adjustment module, and at least one mixing channel. The local oscillator input is configured to receive a local oscillator signal. The phase adjustment module is configured to control a phase of the local oscillator signal in order to add a desired amount of delay to the local oscillator signal, thereby generating at least one adapted oscillator signal. The at least one adapted oscillator signal has a desired phase difference compared to the local oscillator signal. The at least one mixing channel includes at least one mixer unit having at least one signal input. The at least one mixing channel is configured to receive the at least one adapted oscillator signal. The at least one mixing channel further is configured to forward the adapted oscillator signal to the mixer unit. The at least one signal input is configured to receive an input signal. The at least one signal input further is configured to forward the input signal to the mixer unit. The mixer unit is configured to mix the at least one adapted oscillator signal with the input signal, thereby generating a mixer output signal. |
| US11342946B1 |
Neural network kernels for signal processing in lieu of digital signal processing in radio receivers
An artifact-suppressing neural network (NN) kernel comprising at least one neural network, implemented in replacement of a DSP, provides comparable or better performance under non-edge conditions, and superior performance under edge conditions, due to the ease of updating the NN kernel training without enlarging its computational footprint or latency to address a new edge condition. In embodiments, the NN kernel can be implemented in a field programmable gate array (FPGA) or application specific integrated circuit (ASIC), which can be configured as a direct DSP replacement. In various embodiments, the NN kernel training can be updated in near real time when a new edge condition is encountered in the field. The NN kernel can include DCC lower layers and dense upper layers. Initial NN kernel training can require fewer examples. Example embodiments include a noise suppression NN kernel and a modem NN kernel. |
| US11342944B2 |
Computational memory with zero disable and error detection
A processing element includes an input zero detector to detect whether the input from the neighbor processing element contains a zero. When the input from the neighbor processing element contains the zero, a zero disable circuit controls the input from the neighbor processing element and respective data of the memory to both appear as unchanged to the arithmetic logic unit for the operation. A controller of an array of processing elements adds a row of error-checking values to a matrix of coefficients, each error-checking value of the row of error-checking values being a negative sum of a respective column of the matrix of coefficients. The controller controls a processing element to perform an operation with the matrix of coefficients and an input vector to accumulate a result vector. Owing to the error-checking values, when a sum of elements of the result vector is non-zero, an error is detected. |
| US11342942B2 |
Electronic device for performing error correction operation and error check operation
An electronic device includes a replica delay circuit configured to generate a delayed error check signal by delaying a first error check signal including error information of first data stored in a first memory region. The electronic device also includes an error sum signal generation circuit configured to generate an error sum signal by summing a second error check signal including error information of second data stored in a second memory region and the delayed error check signal. |
| US11342940B2 |
Data processing method and apparatus
A data processing method includes performing first equalization processing on a data stream that comprises a plurality of sub-data stream segments, performing segment de-interleaving on the data stream, separately performing first forward error correction (FEC) decoding on each sub-data stream segment in a data stream, performing, according to an equalization termination state of each sub-data stream segment, second equalization processing on each sub-data stream segment, performing second FEC decoding on the data stream, and outputting the data stream obtained according to the second FEC decoding in response to a preset iteration termination condition being met, or performing, in response to the preset iteration termination condition not being met, according to the equalization termination state of each sub-data stream segment obtained according to the first equalization, the second equalization processing on each sub-data stream segment obtained according to the second FEC decoding. |
| US11342937B2 |
Adaptive cross-layer error control coding for heterogeneous application environments
At a physical data-link in a network, a current status of a plurality of logical data-channels in the network is determined, using machine learning to infer the current status. A plurality of cross-layer error correction coding schemes for transmissions is adaptively adjusted, based on the determined current status, and based on an application transmitting data. Transmission of the data, and a plurality of information-exchange requirements, are supported, using the adaptively adjusted plurality of error correction coding schemes. |
| US11342936B2 |
Data processing device and data processing method
The present technology relates to a data processing device and a data processing method which can ensure high communication quality in data transmission using LDPC codes.In group-wise interleaving, an LDPC code having a code length N of 64800 bits and a coding rate r of 13/15 is interleaved in a unit of a bit group of 360 bits. In group-wise deinterleaving, a sequence of bit groups of the LDPC code which has been subjected to the group-wise interleaving is returned to an original sequence. The present technology can be applied to, for example, a case in which data transmission is performed using LDPC codes. |
| US11342935B2 |
Cyclic redundancy check (CRC) system for detecting error in data communication
A cyclic redundancy check (CRC) system includes an input unit, a plurality of CRC engines for 1 byte to n/2 byte, and an output unit. The input unit has a data de-multiplexer for receiving n byte data. The plurality of CRC engines for 1 byte to n/2 byte are connected to the data de-multiplexer for processing demultiplexed n byte data. The output unit has a data multiplexer for providing processed CRC output data. The plurality of CRC engines for 1 byte to n/2 byte are arranged in two columns. A first column includes one or more CRC engines for 1 byte to n/2 byte and a second column includes a CRC engine for n/2 byte. |
| US11342934B2 |
Remote downhole signal decoder and method for signal re-transmission
A decoding device is used to securely send corresponding data gathered from multiple underground sources to multiple users. The device comprises a signal receiving port connected to multiple bandwidth filters and further connected to internet access points that are assigned to end users for secure data access. The invention facilitates allowing the signal and data being transmitted through the formation of the earth to reach end users located nearby and significant distances away from the source of the transmission. A system and method utilizing the decoding device is provided. |
| US11342930B2 |
Track and hold circuits for high speed ADCS
A dither capacitor, separate from the capacitor sampling the input signal, can be used to inject the additive dither in the switched-capacitor network of the track and hold circuit. This implementation can be referred to as a split-capacitor dither injection. The dither capacitor can be connected to a summing node of the switched-capacitor network. Using a separate capacitor allows the dither to be isolated from the capacitor that is sampling the input signal and avoids kick-back errors. |
| US11342929B2 |
Offset calibration for successive approximation register analog to digital converter
Disclosed is a successive approximation register (SAR) analog to digital converter (ADC) that uses two or more comparators. This allows the output of one comparator to be latched while the other comparators are comparing and switching. Statistical measures are used to correct the offsets of one or more of the comparators. If a statistically significant mismatch in the number of 1's and 0's occurs in a subset of the bits, adjustments to the offsets of one or more of the comparators are made until there is roughly an equal number of 1 and 0 values. This can reduce or eliminate the need for dedicated offset correction cycles. |
| US11342928B1 |
Molecular clock calibration
A method, providing an oscillator output signal to reference inputs of a PLL and an output clock circuit; providing a first divisor value to a control input of the PLL to regulate a closed loop that includes a physics cell, a receiver, and the PLL; providing a second divisor value to a control input of the output clock circuit to control an output frequency of an output clock signal; shifting the first divisor value in a first direction to cause a perturbation in the closed loop; shifting the second divisor value in an opposite second direction to counteract a response of the closed loop to the perturbation and to regulate the output frequency of the output clock signal; and based on the receiver output signal, analyzing the response of the closed loop to the perturbation. |
| US11342927B1 |
Ring oscillator based frequency divider
Aspects of the disclosure relate to a ring oscillator (RO) frequency divider configured to frequency divide an input clock by a programmable divider ratio to generate an output clock. In this regard, the RO frequency divider receives the input clock, enables each of a ring of N cascaded inverter stages substantially one at a time in response to the input clock; and outputs a second clock from an output of one of the ring of N cascaded inverter stages. In one aspect, each stage includes a p-channel metal oxide semiconductor field effect transistor (PMOS FET) coupled in series with an n-channel metal oxide semiconductor field effect transistor (NMOS FET). In another, each stage includes two PMOS FETs and an NMOS FET. |
| US11342916B2 |
Schottky-CMOS asynchronous logic cells
Integrated circuits described herein implement an x-input logic gate. The integrated circuit includes a plurality of Schottky diodes that includes x Schottky diodes and a plurality of source-follower transistors that includes x source-follower transistors. Each respective source-follower transistor of the plurality of source-follower transistors includes a respective gate node that is coupled to a respective Schottky diode. A first source-follower transistor of the plurality of source-follower transistors is connected serially to a second source-follower transistor of the plurality of source-follower transistors. |
| US11342915B1 |
Cold spare tolerant radiation hardened generic level shifter circuit
A level shifting circuit, the circuit comprising a VL input; an I/O VL; a VCC input; an I/O VCC; a first pull-up resistor disposed between the VL input and I/O VL; a second pull-up resistor disposed between the VCC input and I/O VCC; a first pull-up assist circuit comprising a first pull-up assist p-channel MOSFET having a source/body, drain, and gate, the source/body and drain being connected to VL and I/O VL; a second pull-up assist circuit comprising a second pull-up assist p-channel MOSFET having a source/body, drain, and gate, the source/body and drain being connected to VCC and I/O VCC, respectively; a pass-gate n-channel MOSFET in operative communication with I/O VL, I/O VCC, and VL, the pass-gate being configured to reduce the voltage level of a signal driven from I/O VCC to the voltage level of I/O VL; and a one-shot circuit configured to detect a I/O VL or I/O VCC transition from a low state to a high state, to produce a pulse in response thereto, and to communicate that pulse to the gates of the first and second pull-up assist p-channel MOSFETs, wherein the second pull-up resistor is configured to increase the voltage level of a signal driven from I/O VL to the voltage level of I/O VCC. |
| US11342912B2 |
Stray voltage detection
A processor-based device includes a chassis having a chassis ground node that is arranged to electrically couple the chassis to an earth ground. The device also includes a connector accessible from an exterior of the chassis. The connector conforms to a standardized powerline interface having a hot power signal, a load power signal, and a neutral power signal. A processor-based apparatus housed at least in part within the chassis is arranged to operate using DC power derived from AC power present at the powerline interface. A stray voltage detector is arranged to detect a stray voltage potential existing between the neutral power signal of the standardized powerline interface and the chassis ground node, and the processor-based device is arranged to communicate at least one indication of the detected stray voltage potential. |
| US11342901B2 |
Crystal resonator plate and crystal resonator device
An AT-cut crystal resonator plate includes: a vibrating part having a rectangular shape in plan view that is disposed on a center of the AT-cut crystal resonator plate and that has excitation electrodes respectively formed on a first and a second main surfaces; a cut-out part having a rectangular shape in plan view that is formed along an outer periphery of the vibrating part; an external frame part having a rectangular shape in plan view that is formed along an outer periphery of the cut-out part; and a connecting part that connects the vibrating part to the external frame part and that extends, in a Z′ axis direction of the vibrating part, from one end part of a side of the vibrating part along an X axis direction. The connecting part includes wide parts whose widths gradually increase only toward the external frame part. |
| US11342900B2 |
Quartz crystal resonator, quartz crystal resonator unit, and method of manufacturing quartz crystal resonator
A quartz crystal resonator that includes an AT-cut quartz crystal blank including a first main surface and a second main surface that face each other and each of which has long sides extending in an X-axis direction of the quartz crystal blank and short sides extending in a Z′-axis direction of the quartz crystal blank, and a first side surface and a second side surface that are located adjacent to the long sides of the first main surface and the second main surface; a first excitation electrode and a second excitation electrode; and an extension electrode that extends from the first main surface to the second main surface along the first side surface and that is electrically connected to the first excitation electrode. Each the first and second side surfaces have a first m-plane face and a second m-plane face. |
| US11342899B2 |
Crystal resonator device
In a crystal oscillator, a crystal resonator and an IC chip are hermetically sealed in a package. The crystal resonator includes: a crystal resonator plate including a first excitation electrode formed on a first main surface, and a second excitation electrode, which makes a pair with the first excitation electrode, formed on a second main surface; a first sealing member covering the first excitation electrode of the crystal resonator plate; and a second sealing member covering the second excitation electrode of the crystal resonator plate. A vibrating part including the first excitation electrode and the second excitation electrode of the crystal resonator plate is hermetically sealed by bonding the first sealing member to the crystal resonator plate, and the second sealing member to the crystal resonator plate. |
| US11342894B2 |
Driver circuitry and associated methods
A method for using driver circuitry to drive a load having an unknown impedance magnitude includes (a) in a configuration mode of the driver circuitry, determining a required power supply voltage for a driver stage to drive the load, and (b) in a driving mode of the driver circuitry, (1) driving the load via the driver stage in response to an input signal, and (2) controlling a power supply to provide the required power supply voltage to the driver stage as a static voltage, while driving the load via the driver stage in response to the input signal. |
| US11342893B2 |
Apparatus including electronic circuit for amplifying signal
The apparatus relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long-Term Evolution (LTE). The disclosure relates to an apparatus including an electronic circuit for amplifying a signal. The apparatus includes a transceiver including an amplification circuit, and at least one processor coupled to the transceiver. The amplification circuit includes a first path to generate a first current corresponding to a voltage of an input signal, a second path to generate a second current corresponding to a voltage of the input signal, a separation unit to control each of the first current and the second current, a current mirror to generate a third current corresponding to the first current, and a folding unit to generate an output signal on the basis of the second current and the third current. |
| US11342888B2 |
Tri-phasing modulation for efficient and wideband radio transmitter
According to an aspect, there is provided a method for power-amplification of a transmission signal, comprising: obtaining the transmission signal with phase and amplitude modulation; generating a power-amplified polar signal for approximating a power-amplified transmission signal by power-amplifying a first constant-envelope signal with one of two or more first amplification factors based on the transmission signal; generating an outphasing pair of a first power-amplified outphasing signal and a second power-amplified outphasing signal based on the transmission signal; and combining the power-amplified polar signal, the first power-amplified outphasing signal and the second power-amplified outphasing signal to provide the power-amplified transmission signal. |
| US11342886B2 |
In-situ low-cost small size sensing and measurement for wireless power transfer systems
An RF power detector adapted to detect an RF power of an RF signal, includes, in part, an antenna adapted to receive the RF signal, a narrow-band RF power converter adapted to convert the RF signal to a DC signal, an accelerometer, and a magnetometer. The accelerometer and magnetometer are adapted to determine the orientation and location of the power detector. The power detector optionally includes a gyroscope. The narrow-band RF power converter may be a rectifier tuned to the frequency of the RF signal. The power detector optionally includes an indicator adapted to provide information representative of the amount of the DC power of the DC signal, as well as position and orientation of the power detector. The power detector may be adapted to be inserted into a mobile device so as to provide the information about the amount of DC power, orientation and position to the mobile device. |
| US11342883B1 |
Voltage-controlled oscillator of programmable gain
A programmable variable capacitor includes a fixed varactor controlled by a control voltage connected in a first polarity and a plurality of contingent varactors conditionally controlled by the control voltage in accordance with a plurality of logical signals, respectively, each of said plurality of contingent varactors having: a first varactor controlled by a first voltage connected in the first polarity, a second varactor controlled by a second voltage connected in a second polarity, a first multiplexer configured to output the first voltage by selecting between a first DC (direct-current) voltage and the control voltage in accordance with a respective logical signal among said plurality of logical signals, and a second multiplexer configured to output the second voltage by selecting between a second DC voltage and a medium DC voltage in accordance with the respective logical signal. |
| US11342880B2 |
Capacitor capacitance estimation device, control system, and capacitor capacitance estimation method
A capacitor capacitance estimation device including processing circuitry to segment a section signal into a plurality of signals and to generate a plurality of pieces of frequency domain data by converting each of the plurality of signals obtained by the segmentation into a plurality of component values in a frequency domain. Each of the plurality of signals having a predetermined duration. The processing circuitry further configured to extract a component value of a frequency corresponding to a carrier frequency from the plurality of component values in each of the plurality of pieces of frequency domain data, to use the extracted component value as a value at time corresponding to the corresponding one of the extracted signals, and to generate time-series data representing a plurality of the extracted component values in a time series, to estimate a capacitance of a capacitor from processed and filtered time-series data. |
| US11342876B2 |
Drive system and method of operation thereof for reducing DC link current ripple
A system and method for operating a drive system coupleable to one or more DC and AC electrical ports is disclosed. The drive system includes a DC link, at least one DC-DC converter, at least one DC-AC converter, a DC link capacitor, and a control system configured to control operation of one or more of the at least one DC-DC converter and the at least one DC-AC converter relative to one another based on operational parameters thereof. In controlling operation of one or more of the at least one DC-DC converter and the at least one DC-AC converter, the control system controls at least one of a switching frequency of the at least one DC-DC converter, a switching frequency of the at least one DC-AC converter, a DC-DC converter carrier signal phase, a DC-AC converter carrier signal phase, and a duty cycle of the at least one DC-DC converter. |
| US11342875B2 |
Electric motors with neutral voltage sensing
An electrical machine includes a with a parallel first and second phase windings. A first neutral bus is connected to the first phase winding and a second neutral bus is connected to the second phase winding. A first voltage sensor is coupled to the first neutral bus and a second voltage sensor coupled to the second phase winding for monitoring current imbalance between the first and second phase windings. |
| US11342874B2 |
Adaptive actuator for operating on a three or four-wire external control line with different motor voltages and network frequencies
Various embodiments include an actuator comprising: a motor; a transmission; an actuating connection; a first motor line and second motor line and a ground line. The motor is driven in a first or second direction by a motor voltage applied to the first or second motor line. There is also a motor control unit comprising a signal evaluation unit and a downstream actuating device for the motor, and a voltage supply unit to provide, from the first and/or second motor voltage, a supply DC voltage for a power supply of the motor control unit. The signal evaluation unit produces, for the duration of the application of the first and/or second motor voltage to the first and second motor line, associated actuating signals. The motor control unit electrically controls the motor in the associated first or second direction of rotation on the basis of actuating signals. |
| US11342873B2 |
Controller for switched reluctance motor
A controller for a switched reluctance motor, which includes a rotor, a stator, and coils wound around the stator and which is mounted on a vehicle as a traveling drive source, the controller including: a control unit performing regenerative control to apply a positive voltage and a negative voltage to the coils so that a current value of the coils becomes a first target current value in a predetermined regenerative region. Further, when the battery charge state value is a predetermined value or more, the control unit reduces a section where a negative voltage is applied to the coils to be narrower than that in a case where a battery charge state value is less than the predetermined value. |
| US11342872B2 |
Method for reliable control of high rotor pole switched reluctance machine
A system and method for reliable control of a high rotor pole switched reluctance machine (HRSRM) utilizing a sensorless reliable control system. The method comprising: energizing at least one of the plurality of stator phases; measuring a first current value and time taken by the first current value to reach a first peak value or preset threshold value of current; determining a self-inductance value; measuring a second current value and time taken by an adjacent un-energized stator phase to reach a second peak value of current; determining a mutual inductance value; and estimating a rotor position utilizing the self-inductance and mutual inductance values; and controlling the HRSRM based on the estimated rotor position. |
| US11342869B2 |
Pole direction detection device and pole direction detection method
A pole direction detection device for detecting a pole direction of a synchronous motor having saliency comprises a high-frequency voltage application unit that applies a high-frequency voltage to the motor; an excitation phase change unit that changes an excitation phase of the motor to an arbitrary phase; a driving current detection unit that detects a driving current value of the motor; a pole direction estimation unit that detects a pole direction based on the excitation phase and the driving current value; a measurement unit that measures an inductance value of the motor; and a control unit that changes a frequency of the high-frequency voltage to be applied by the high-frequency voltage application unit based on the inductance value measured by the measurement unit. |
| US11342867B2 |
Method for determining a movement of a rotor
A method for determining a movement of a rotor of an electric motor, comprises supplying a drive signal to a drive coil of the electric motor, sensing a coil current of the drive coil, detecting current ripples of the sensed coil current caused by the rotor of the electric motor crossing ripple generating positions, inferring the movement of the rotor from the detected ripples, braking the motor by reducing the drive signal supplied to the drive coil from an initial signal value to zero according to a braking curve specifying a non-zero fall time during which the drive signal is reduced from the initial signal value to zero. The braking curve is adapted so that the rotor does not cross a ripple generating position after the drive signal has been reduced to zero. |
| US11342865B2 |
Method and device for actuating an electromechanical element
Disclosed is a method and device for electrically activating an electromechanical element (8) for positioning an element to be driven which is in contact at least intermittently with the electromechanical element (8). By temporal sequence or by the successive execution of a static friction phase and a slip phase, the element to be driven performs a discrete drive step in a first drive direction, while by temporal sequence or successive execution of a slip phase and a static friction phase the element to be driven performs a discrete drive step in a second drive direction which is oriented contrary to the first drive direction. By appropriate repetition, a plurality of discrete drive steps and thus a large travel can be realized, which is limited in principle only by the extent or length of the element to be driven. |
| US11342861B2 |
Method and apparatus to mitigate DC bus over-voltages on common AC bus systems utilizing DC and AC drives
A method and line interface filter apparatus to couple a drive or group of drives to a shared multiphase AC bus, including individual phase circuits having an inductor coupled between a respective bus and drive phase lines, a resistor coupled to the respective drive phase line, and a capacitor coupled between the resistor and a common connection of the capacitors of the individual phase circuits, where the capacitance of the capacitors is 5 to 15 times a per-phase equivalent capacitance of the drive or group of drives, and the resistance of the resistors is two times a damping ratio times a square root of a ratio of the filter inductance to the filter capacitance, where the damping ratio is greater than or equal to 1.0 and less than or equal to 2.0. |
| US11342860B2 |
Group of DC link converters having deliberate coupling of the DC link converters to each other
Several DC link converters are interconnected at first and second terminals. Each DC link converter has an input-side rectifier connected to a power supply and an output-side inverter connected to a load, and a DC link with a DC link capacitor. Potentials of the DC link capacitor are connected via first and second lines respective first and second terminals. A switching element and a parallel-connected diode are arranged in at least one of the lines. A control device controls the switching element depending on the DC link voltage and/or as the current flowing through the respective line, allowing the DC link capacitor to be charged, but not discharged via the diode when the switching element is non-conducting, and to be at least discharged when the switching element is conducting. An inductor is arranged in at least one of the lines, and a flyback diode is connected between the lines. |
| US11342858B2 |
Power converter apparatus including LLC resonant circuits and wide range of output voltage with higher efficiency
A power converter apparatus is provided with: a plurality of leg circuits, each including two switch circuits connected in series between input terminals; a transformer including a primary winding and a secondary winding, the primary winding having a first terminal and a second terminal; and at least one capacitor. The at least one capacitor is connected between the first terminal or the second terminal of the primary winding of the transformer, and a node between the two switch circuits in at least one leg circuit among the plurality of leg circuits. The first terminal of the primary winding of the transformer is connected to at least two nodes between the switch circuits in at least two first leg circuits among the plurality of leg circuits, via at least two first circuit portions having at least one of capacitances and inductances different from each other, respectively. |
| US11342857B2 |
Synchronous rectification controller and isolated synchronous rectification type dc/dc converter
A synchronous rectification controller that controls driving a synchronous rectification transistor arranged on secondary side, includes: a gate terminal being electrically connectable to a gate of the synchronous rectification transistor; a drain terminal being electrically connectable to a drain of the synchronous rectification transistor via a first resistor; a first comparator comparing a drain terminal voltage generated at the drain terminal with negative first threshold voltage; a second comparator comparing the drain terminal voltage with negative second threshold voltage higher than the first threshold voltage; and a driver performing on/off control of the synchronous rectification transistor based on result of the comparison by the first comparator and result of the comparison by the second comparator, wherein when the synchronous rectification transistor is turned on, voltage is added to the drain terminal voltage by current flowing through the first resistor according to a second resistor. |
| US11342855B2 |
Controlling a switch across an isolation barrier
An apparatus comprises an energy transfer device that operates one or more input switches of an input side of an electrical isolation device to transfer energy through the isolation device to an output side of the electrical isolation device for activating a switch. The apparatus comprises a voltage conversion device that converts the energy from an input voltage of the input side to an output voltage to control the switch when the energy transfer is active. The apparatus comprises a passive turn off device that passively deactivates the switch when the energy transfer is inactive. The passive turn off device is disabled from deactivating the switch when the energy transfer is active. |
| US11342854B1 |
Voltage step-up converter circuits for low input voltages
Novel voltage converter circuits are provided which step-up very low DC input voltages to higher voltages capable of supporting low-power loads. According to embodiments, a voltage step-up power converter circuit may be formed of an oscillator sub-circuit which receives a DC voltage and outputs an AC voltage; a voltage doubler sub-circuit which receives the AC voltage and outputs an augmented AC voltage; and a voltage step-up converter sub-circuit which receives the augmented AC voltage, as a control voltage, and the initial DC voltage and outputs a voltage which is more than the initial DC voltage. These circuits allow electrical energy to be harvested from very low voltage sources and to convert it as efficiently as possible to run a load. |
| US11342853B2 |
Power converter circuit with a main converter and an auxiliary converter
A power converter circuit includes an input configured to receive an input voltage and an output configured to provide an output voltage; a main converter coupled between a main converter input and the output and comprising a first winding and a second winding that are inductively coupled; and an auxiliary converter comprising an auxiliary converter input coupled to a third winding and an auxiliary converter output, wherein the third winding is inductively coupled with the first winding and the second winding. The auxiliary converter output is coupled between the input and the main converter input. |
| US11342849B2 |
Multimode PWM converter with smooth mode transition
Control circuits and methods to operate a switch of a DC-DC converter, including an output circuit to turn the switch off to control a peak inductor current in a given switching control cycle, and a modulation circuit to implement transition mode (TM) or continuous conduction mode (CCM) operation for a given switching control cycle by causing the output circuit to turn the switch on in response to an earlier one of a first signal, that represents an inductor current of the DC-DC converter, decreasing to a reference voltage that represents a zero crossing of the inductor current for the TM operation or the first signal decreasing to a valley reference signal that represents a non-zero value of the inductor current for the CCM operation. |
| US11342848B2 |
Multiphase switching converters with daisy chain configuration and associated phase shedding control method
A multiphase switching converter has a plurality of switching circuits coupled in parallel, and a plurality of control circuits configured in a daisy chain. Each control circuit receives a phase input signal, and provides a phase output signal and a switching control signal for controlling a corresponding switching circuit. When a current sense signal is less than a phase shedding threshold, and if a corresponding one of the control circuits is a last one in the daisy chain or if a pulse on the phase input signal lasts within a preset time period, then a corresponding one of the switching circuits stops a power output, and the phase output signal equals the phase input signal. |
| US11342847B2 |
Power conversion device with controller to discharge smoothing capacitors
A magnetically coupled reactor and a DC/DC converter are provided between a DC power supply and an inverter. A first smoothing capacitor is provided between the DC power supply and the coupled reactor. A second smoothing capacitor is provided between the DC/DC converter and the inverter. A controller is provided in order to control switching operations of the inverter and the DC/DC converter. The controller causes semiconductor switching elements composing upper and lower arms of the DC/DC converter to perform complementary operations so as to be alternately turned on/off, and causes left and right legs to operate with their switching phases shifted from each other, thereby electric charges stored in both smoothing capacitors are discharged by energy loss in the coupled reactor and the DC/DC converter. |
| US11342846B2 |
Digital control for voltage converter
A controller includes a comparator having an inverting input coupled to a voltage converter output, a non-inverting input coupled to a voltage source, and an output. The controller includes a timer having a start input coupled to the converter that indicates that current through a converter inductor is less than a threshold; a stop input coupled to the comparator output; and an output having a digital value corresponding to the time between receiving asserted signals at start input and at stop input. The controller includes a time comparator having a first input coupled to the timer output and a second input to receive a time value. The time comparator asserts one of its outputs based on the digital and time values. The controller includes an accumulator coupled to the time comparator outputs, the accumulator configured to maintain, increase, or decrease an output value based on the asserted time comparator output. |
| US11342843B2 |
Boost converter and control method
An apparatus includes comprises an auxiliary switch, a transformer and an auxiliary diode. The auxiliary switch is configured to be turned on prior to turning on a first power switch of a multi-level boost converter. The transformer has a primary winding connected between the first power switch and the auxiliary switch. The auxiliary diode is coupled between a secondary winding of the transformer and an output terminal of the multi-level boost converter. The transformer and the auxiliary switch are configured such that the first power switch is of zero voltage switching, and the auxiliary switch is of zero current switching. |
| US11342839B2 |
Power supply apparatus with operation mode adjustment function and method of operating the same
A power supply apparatus includes a rectifier unit, a power factor correction circuit, and a control unit. The control unit correspondingly provides a reference voltage according to an amplitude of an input power source. When a voltage signal corresponding to an inductance current of an inductor of the power factor correction circuit is higher than the reference voltage, the control unit controls an energy release switch of the power factor correction circuit to be repeatedly switched on/off, and when the voltage signal is lower than the reference voltage, the control unit controls the energy release switch to be turned off. |
| US11342838B2 |
System of controlling charging apparatus for vehicle
A system of controlling a charging apparatus for a vehicle may include a power supply unit supplying an AC power, a power factor correction (PFC) converter unit connected to the power supply unit and converting the AC power supplied from the power supply unit into a DC power and supplying the converted DC power to a load, and a controller extracting a high frequency component from the AC power input to the PFC converter unit, determining a frequency of the extracted high frequency component, and limiting, when the determined frequency is equal to or greater than a predetermined value, output power from the PFC converter unit to a value lower than the predetermined value. |
| US11342835B2 |
Surge protection for digital input module
A circuit for providing input surge protection in a digital input module, the circuit comprising a surge protection input stage, including a bridge rectifier coupled to receive the bidirectional input signal, and coupled to the unidirectional input of the digital input module. The bridge rectifier comprises TVS rectifiers TVS1 and TVS2, and diode rectifiers D2 and D3, intercoupled in a bridge rectifier configuration in which: TVS1 and TVS4 are transient voltage suppression diodes; and rectifiers D2 and D3 are rectifier diodes. Diodes TVS1 and TVS4 can be implemented as either respective unidirectional TVS diodes; or a single bidirectional TVS diode. The digital input module can be a digital input receiver, or a opto-isolator/coupler, or other digital input module. |
| US11342830B2 |
Electromechanical drive system
An electromechanical drive system for a mechanical power load. The system includes an electric motor connectable to an electric power source, a first transmission connected at one side with a first end of the shaft of the electric motor and connectable at the other end with a load, an electric power generator, and a second transmission connected at one side with a second end of the shaft of the electric motor, which extends in a direction opposite to that of the first end of the shaft of the electric motor, and which is connected at the other side with the electric power generator, wherein the electric power generator is electrically connectable via a switch with a power source and the electric motor, such that the electric current from the power generator can be directed either to electric power source or to an electric motor, with which charging of the electric power source is achieved when a need of the load for mechanical power is reduced. |
| US11342827B2 |
Four-sided-synchronous-swing dual-mode broadband power generation device
A four-sided-synchronous-swing dual-mode broadband power generation device, comprising a fixing frame, a piezoelectric beam swing mechanism, and electromagnetic induction power generators (7). Four groups of straight piezoelectric beams (6) and L-shaped piezoelectric beams (5) are installed in a small space, therefore, a limited working space can be fully utilized, the working area can be reduced, and the requirements for development of a microelectromechanical system can be satisfied. Each L-shaped piezoelectric beam (5) comprises a horizontal beam and a vertical beam, so that vibration in two directions can be implemented, therefore, the dynamic behavior of piezoelectric cantilevers is enriched, and the power generation efficiency of the system is improved. The straight piezoelectric beams (6) and L-shaped piezoelectric beams (5) have different lengths, so that energy of different swing frequencies can be effectively harvested, and the effective working frequency bandwidth can be broadened. The adjacent straight piezoelectric beams (6), L-shaped piezoelectric beams (5), and electromagnetic induction power generators (7) constitute four groups of dual-mode piezoelectric electromagnetic composite power generation structures, effectively improving power generation. The four-sided-synchronous-swing dual-mode broadband power generation device can harvest energy inputted in the form of rotation from environment and currently can be applied to wind power generation, hydroelectric power generation, bicycle self-power supply, and other fields. |
| US11342823B2 |
Clamp jig, stator manufacturing device, and method for manufacturing stator
Provided are a clamp jig for inhibiting an increase in the size of clamping equipment, and reducing the load during clamping by clamping after doing preliminary aligning of a segment end part; a stator manufacturing device; and a method for manufacturing a stator. The clamp jig 40 has a pair of clamp bodies 41, extended in a stator core radial direction, for clamping from both sides in the stator core circumferential direction the end part of an electric conductor, which is inserted in the stator core and welded; and a convex part 42 provided extending in the stator core axis direction at the bottom of the clamp body 41, the convex part being inserted between unwelded electric conductors. |
| US11342821B2 |
Method for manufacturing a rotor
In a method for manufacturing a rotor, each of adhesive placement portions that are provided between a surface of a permanent magnet on the radially inner side and grooves is formed so as to cover a part of an adhesive applied to the permanent magnet on the radially inner side and parts of the adhesive on both sides in the circumferential direction. |
| US11342819B2 |
Electrical machine with an active grounding
A method for preventing a frequency component of a voltage from occurring in an electrical machine including the steps of: obtaining, either by measuring a voltage signal or a current signal from the electrical machine in time domain and transforming the measured signal into frequency domain, by simulating or deducing a first frequency component present in the electrical machine in absence of a grounding, the first frequency component representing a first undesired frequency higher than a limit frequency of 500 Hz; and providing the electrical machine with a first grounding at a grounding location, the first grounding including a resonant circuit resonating at the first undesired frequency. In order to get rid of harmful shaft voltages in the form of sharp voltage peaks at high frequencies, it is first necessary to determine at which undesired frequency or frequencies these voltage peaks occur. Only thereafter can a low impedance grounding be provided that works satisfactorily at the undesired frequency or frequencies. |
| US11342812B2 |
Motor
In an aspect of the motor of the present invention, the motor includes a shaft centered on a center axis extending in a predetermined direction, and a stator located radially outside of the shaft. The stator has a coil wound around the stator. The motor further includes a housing member having a substantially cylindrical shape with a bottom, where the housing member accommodates substantially the entire stator, and supports the shaft, a cooling medium with which the housing member is filled, where the stator and the coil is immersed in the cooling medium, and a rotor that rotates radially outside of the housing member with the center axis of the shaft as a rotation center. |
| US11342809B2 |
Rotating electric machine
To obtain a rotating electric machine capable of suppressing vibrations generated at the time of driving and achieving downsizing. The rotating electric machine includes: a rotor; a stator including a stator core provided on an outer side with respect to the rotor in a radial direction of the rotor; a motor frame, which includes a tubular portion provided on an outer side with respect to the stator core in the radial direction, and has the stator fixed thereto; and an intermediate member, which is provided on an outer peripheral surface of the stator core in the radial direction, and is held in a state of being press-fitted to an inner peripheral surface of the tubular portion in the radial direction, wherein a stiffness of the intermediate member per unit length is higher than a stiffness of the tubular portion per unit length. |
| US11342807B2 |
Motor and pump device
A motor may include a rotor provided with a rotating shaft that protrudes to a first side in an axial direction; a stator disposed on an outer peripheral side of the rotor; a resin sealing member that covers the stator; and a cover member that is disposed on the first side of the resin sealing member and supports the rotating shaft. The cover member may include a plurality of gate marks disposed at different angular positions and a plurality of ribs that protrude to a second side in the axial direction. The ribs may be disposed at positions where each midpoint between the gate marks adjacent to each other in the circumferential direction overlap with an axis of the rotor. |
| US11342806B2 |
Stator
In a stator, coils of a plurality of phases are wound around a stator core via an insulator. A guide member is provided on one side of the stator core in the axial direction and guides the terminal line of the coil in the circumferential direction at a position overlapping the coil in the axial direction. The guide member has a notch that penetrates in the axial direction in a shape having a guide portion extending radially inward from the radially outer end portion of the guide member and leads the terminal line to one side in the axial direction. End surfaces in the radial direction of the notch, and a bottom part which is one end surface in the axial direction of the guide member is drawn in the circumferential direction, are connected by the recessed part having a recessed shape. |
| US11342804B2 |
Electric machine, activation unit and method for operating an electric machine
An electric machine (21) having a stator (20) and having a rotor (29) rotatably mounted to the stator (20) is specified. The stator (20) comprises a stator winding (24), at least three teeth (23), and at least three grooves (22). In each case, one tooth (23) of the stator (20) is arranged between two grooves (22) along a circumference of the stator (20), and the stator winding (24) has at least three coils (25), wherein each of the coils (25) is wound around a tooth (23) of the stator (20), so that the stator winding (24) is a concentrated winding. In addition, the winding direction of all coils (25) is the same, each of the coils (25) is designed to be fed with its own phase current, and the stator (20) is designed to generate at least two rotary fields having different numbers of pole pairs independently of each other, in particular simultaneously. In addition, an activation unit (40) for the electric machine (21) and a method for operating an electric machine (21) are specified. |
| US11342801B2 |
Stator for motor and motor
An electric machine operable as a motor or generator includes a stator having a body portion substantially in the shape of a hollow column with an outer wall and an inner wall. The body portion has a plurality of first slots and a plurality of second slots each running through the body portion in a longitudinal direction. The plurality of first slots are distributed in a circumferential direction between the outer wall and the inner wall, and the first slots are circumferentially closed slots. The plurality of second slots are distributed in the circumferential direction between the first slots and the inner wall, and the second slots are circumferentially closed slots and are spaced apart from the first slots. |
| US11342798B2 |
Systems and methods for managing coexistence of wireless-power signals and data signals operating in a same frequency band
A method of wireless power transmission is performed at a wireless-power-transmitting device having one or more antennas configured to transmit wireless-power signals, one or more processors, and a wireless data transceiver. The method comprises detecting that a wireless-power-receiving device is located in proximity to the wireless-power-transmitting device; establishing a data-traffic profile associated with the wireless-power-receiving device, the data-traffic profile including identifications of data signals to be exchanged over a predetermined frequency band between the wireless-power-receiving device and the wireless-power-transmitting device using the wireless data transceiver, determining windows of time during which to transmit wireless-power signals over the predetermined frequency band to the wireless-power-receiving device based on the data-traffic profile; and at the determined windows of time, transmitting, by the one or more antennas, wireless-power signals over the predetermined frequency band to the wireless-power-receiving device. |
| US11342793B2 |
Detection of device removal from a surface of a multi-coil wireless charging device
Systems, methods and apparatus for wireless charging are disclosed. A charging device has a plurality of charging cells provided on a charging surface, a charging circuit and a controller. The controller may be configured to cause the charging circuit to provide a charging current to a resonant circuit when a receiving device is placed on the charging device, detect a change or rate of change in voltage or current level associated with the resonant circuit or a change or rate of change in power transferred to the receiving device and determine that the receiving device has been removed from the charging device when the change or rate of the change in voltage or current level or change or rate of change in power transferred to the receiving device exceeds a threshold value. |
| US11342791B2 |
Wirelessly powered and powering electrochromic windows
Electrochromic windows powered by wireless power transmission and powering other devices by wireless power transmission are described along with wireless power transmission networks that incorporate these electrochromic windows. |
| US11342790B2 |
Configuring, optimizing, and managing micro-grids
Methods and systems for controlling electrical distribution grids. The method includes determining premises in an electrical distribution grid that include an energy resource. The method further includes determining a configuration of the electrical distribution grid including a micro-grid, the micro-grid including the one or more premises. The method further includes electrically isolating, monitoring and controlling the micro-grid from the electrical distribution grid through the use of a micro-grid manager. |
| US11342788B1 |
System and method for in-rack generation of alternating current voltage during power grid outages
A system and apparatus for generating alternating current voltage during power grid outages and methods for making and using the same. In various embodiments, the system can provide backup power within IT environments and other mission-critical facilities among other things. |
| US11342786B2 |
3-wire multiphase UPS with bypass
The present application includes an uninterruptable power supply device for connection of a 3-wire multiphase AC source to a 3-wire multiphase load, whereby the UPS device is provided for multiphase operation, including a converter part, which is connected to at least one power source and the load, and a 3-wire bypass, which interconnects the AC source to the load, whereby the bypass includes a bypass switch, which includes an independently controlled switching unit for each phase of the AC source, and the UPS device includes a control unit, which controls the converter part and the bypass switch, whereby the control unit controls the bypass switch to power one of the three phases of the load directly via the bypass by one phase of the AC source, and the control unit controls the converter part to power the remaining two phases of the load. The application further includes an uninterruptible power supply system including multiple of the above UPS devices, wherein the UPS devices are connected in parallel to the load. |
| US11342784B2 |
Vehicle redundant energy system
In general, one or more loads on a vehicle can be connected to both a first voltage source on the vehicle and a backup vehicle power system on the vehicle. If the voltage provided by the first voltage source to the one or more loads satisfies a voltage threshold, the backup vehicle power system does not provide power to the one or more loads. However, if the voltage provided by the first voltage source to the one or more loads falls below the voltage threshold, the backup vehicle power system provides power to the one or more loads. |
| US11342779B2 |
Wireless charging apparatus and control method and control device therefor
A control method for a wireless charging apparatus includes: receiving a power adjustment value transmitted by a terminal; and adjusting at least one of an output voltage or an output frequency of a wireless Alternating Current (AC) power signal according to the power adjustment value to adjust an output power of the wireless AC power signal. |
| US11342777B2 |
Powering and/or charging with more than one protocol
Provided is a base for wirelessly charging and/or wirelessly powering in which multiple inductive charging protocols are used, with one of the protocols using uni-directional messaging and another of the protocols using bi-directional messaging. Different inductive charging protocols using different frequency ranges are also described. |
| US11342776B2 |
Battery charger and method for charging a battery
A charger for impulsed charging of a battery includes first and second charging contacts configured to receive a battery to be charged, a DC power input having first and second terminals, and an inductor having first and second ends. The first end is selectively conductively connectable to the first terminal and the second charging contact. The second end is selectively conductively connectable to the first charging contact and the second terminal. A switch is between the second end and the second terminal such that with the switch in a first configuration, the inductor is connected across the DC power input to enable magnetic energization of the inductor, and in a second configuration, the inductor is disconnected from the DC power input and connected across the charging contacts to enable magnetic energy in the inductor to discharge to the battery. The switch is alternated between configurations during charging of the battery. |
| US11342771B2 |
Automatic power supply control device battery management system and automatic power supply control method of the same
An automatic power supply control device of a battery management system (BMS) includes a converter receiving power of a battery to convert the power to power needed for a load, wherein the power input from the battery is controlled by a manual control signal IGON) generated by a button operation of a user or by a controller (MCU), a manual control signal generator generating the manual control signal (IGON) for controlling the converter, a control signal conversion part configured to, when the manual control signal (IGON) is activated and a predetermined time has elapsed, transmit a signal (NIG) to the controller (MCU) and inactivate the manual control signal (IGON), and the controller (MCU) driven by output power of the converter and configured to activate a signal (MWAKEUP) for controlling the converter and control power supplied to the load when the signal (NIG) is received. |
| US11342770B2 |
Charge and power supply circuit for a portable electronic device, and portable electronic device
A charge and power supply circuit includes: a first switch coupled between a first node and a positive terminal of a battery; a second switch coupled between a USB connector and one of the first node and a second node; a third switch coupled to a load in series between the first and second nodes; and a control unit controlling the switches. In a USB charge mode, an input voltage from the USB connector is permitted to charge the battery via the conducting first and second switches. In a battery supply mode, the battery is permitted to supply a battery voltage to the load via the conducting first and third switches. In a USB supply mode, the input voltage is permitted to be supplied to the load via the conducting second and third switches. |
| US11342768B2 |
Load-bearing strap with an inductive charging system
A load-bearing strap with an inductive charging system is an apparatus that allows a user to charge a portable device, handsfree. The apparatus includes at least one strap, at least one pocket, a plurality of channels, and an inductive charging system. The inductive charging system is safely housed within the at least one strap as the at least one strap includes at least one charging chamber, a controller chamber, and a power source chamber. The at least one strap connects a bag about a user and houses the inductive charging system. The at least one pocket connects a portable device with the at least one strap. The plurality of channels connects the at least one charging chamber, the controller chamber, and the power source chamber with each other. The inductive charging system inductively charges a portable device with at least one set of coils, a microcontroller, and a power source. |
| US11342758B2 |
Priority load sharing for electrical power systems having multiple power sources
Example electrical power systems include an output for supplying a DC output voltage to a load, a first power source connected with the output to supply DC power to the load, and a second power source connected with the output to supply DC power to the load. The electrical power system is configured to supply DC power to the load using only the first power source when a demand of the load is less than an output capacity of the first power source, and the second power source is configured to maintain an enabled on-state when only the first power source is supplying DC power to the load. Additional electrical power systems and methods are also disclosed. |
| US11342757B2 |
Islanding detection method and apparatus, and computer-readable storage medium
An islanding detection method and apparatus, and a computer-readable storage medium. The detection method includes: determining a harmonic amplitude growth rate and a frequency growth rate of alternating current electricity output by an alternating current port of a grid-tied inverter; determining an islanding disturbance coefficient corresponding to the harmonic amplitude growth rate, where the harmonic amplitude growth rate and the islanding disturbance coefficient are in a monotonically increasing relationship; determining an islanding injection amount based on the frequency growth rate and the islanding disturbance coefficient corresponding to the harmonic amplitude growth rate; controlling, based on the islanding injection amount, the grid-tied inverter to output a reactive power or a reactive current over the alternating current port; and performing islanding detection based on a frequency of the alternating current electricity output by the alternating current port. With this detection method, whether islanding occurs can be accurately detected. When islanding does not occur, disturbance to a power grid is reduced, and grid connection stability is improved. When islanding occurs, it can be quickly detected, and a detection time is relatively short. |
| US11342753B2 |
Scheduling method for power system based on flexible HVDC
The present disclosure provides a scheduling method for a power system based on flexible HVDC (high-voltage direct current) and a pumped storage power station, which belongs to a field of power system control technologies. The method is applicable in a power system having a flexible HVDC system and a pumped storage power station. By establishing a scheduling model for the power system, which contains an objective function and multiple constraints, and solving the scheduling model, a capability of the pumped storage power station is used to adjust the unstable output of the renewable energy power generator and stabilize fluctuant of the renewable energy power generation, such that a power incoming into a load center presents a stable ladder pattern and an optimal scheduling scheme can be obtained. |
| US11342752B2 |
Energy storage system and multi-stage short circuit protection system thereof
An energy storage system and a multi-stage short circuit protection system thereof are provided. The multi-stage short circuit protection system includes N stages of fuse units. Each battery pack is connected to a corresponding first-stage fuse unit, a direct-current side of a power conversion device is arranged with a third-stage fuse unit, and at least one second-stage fuse unit is arranged between multiple battery packs and the power conversion device. In a case that a short circuit fault occurs at a position on the direct-current side of the power conversion device, only a fuse unit at a stage preceding the position and a fuse unit at a stage following the position are broken, thereby avoiding a problem of a high maintenance cost in the conventional technology due to that all fuses are broken. |
| US11342744B2 |
Multi-voltage level direct current grid system and control protection method
A multi-voltage level direct current grid system and a control protection method, the direct current grid system comprising: at least two direct current buses; at least one direct current transformer, one end of which is connected to a first direct current bus while another end is connected to a second direct current bus or a lead-out wire, which may achieve direct current voltage conversion; and at least one lead-out wire current limiter, one end of the lead-out wire current limiter being connected to the second direct current bus while another end is connected to the lead-out wire; the lead-out wire current limiter comprises a first current-limiting unit, and the first current limiting unit comprises a group of direct current switches, as well as a first bypass switch and a first current-limiting resistor unit that are connected in parallel. |
| US11342743B2 |
Current limiting circuit for a control circuit for controlling a semiconductor switch system
A power distribution system and method has a controller and at least one semiconductor switch. The power distribution system additionally has an on status detector which detects the status of the semiconductor switches, and an overcurrent status circuit which checks for overcurrent conditions. |
| US11342741B2 |
Equipment control based on environmental monitoring system
The techniques described herein may provide for more efficient power management of equipment based on weather conditions. For instance, weather measurements (e.g., or weather forecasts based on weather measurements) may be used to determine whether or not to initiate a power disconnect procedure. When some weather condition (e.g., wind, temperature, rain, humidity, etc.) exceeds a threshold, a power disconnect procedure may be initiated such that a power source of certain equipment may be disconnected from a power distribution system. In some examples, an environmental monitor may send environmental measurements or conditions to a programmable processor. In instances where the programmable processor determines that some environmental threshold or condition has been met, the programmable processor may send a disconnect signal (e.g., a disconnect power signal) to a power disconnect device. The power disconnect device may thus disconnect the power distribution system from the power source. |
| US11342738B2 |
Power generator protection system with arc flash incident energy reduction
One example includes a power generator protection system. The system includes a circuit breaker configured, when triggered, to provide an open circuit in a power line configured to conduct a current between a power grid point-of-interconnect (POI) and a power generator system. The system also includes a programmable controller configured to monitor the current and to generate a dynamic current threshold based on the current. The programmable controller can further be configured to compare the current with the dynamic current threshold and to trigger the circuit breaker based on a difference of the current relative to the dynamic current threshold to set an arc flash incident energy level of the power generator system at or below a predetermined safety level. |
| US11342737B2 |
Short-circuit-protected low-dropout linear regulator
A circuit includes a first input terminal; a second input terminal; a first output terminal; a second output terminal; a first parallel circuit including a first transistor and a first capacitor; and a second parallel circuit including a first resistor, a second resistor, a diode, and a second capacitor. The first parallel circuit and the second parallel circuit are each connected in parallel between the first input terminal and the second input terminal and in parallel between the first output terminal and the second output terminal. |
| US11342734B2 |
Circuit assembly and electrical junction box
A circuit assembly includes: a substrate formed with a ground pattern and a through-hole; a metal member that is inserted into the through-hole and electrically connected to the ground pattern; a heat dissipation member made of metal, that is overlaid on the substrate and can be connected to an external ground potential; and conductive paste that connects the metal member and the heat dissipation member. |
| US11342733B2 |
Bracket system for mounting electrical boxes
A bracket system for securing an electrical box and other components to a ceiling structure can include a support structure and a mounting bracket. The mounting bracket can include a first support member and a second support member that define a support channel for slidably receiving the ceiling member. The mounting bracket can further include a first contact member and a second contact member that extend from the second support member and define a contact channel to slidably receive the attachment end of the support structure. |
| US11342732B2 |
Apparatus and process for preparing an end portion of a shielded electrical cable
An apparatus and process for preparing an end portion (1a) of a shielded electrical cable (1) wherein the apparatus (10) includes at least one contact element (8) with a contact surface (8a) adapted to engage the outer surface of the end portion (1a) of the cable (1), movement means (9) to move the contact element (8) with respect to the cable (1), and a logic control unit (20) in which at least one movement path around the longitudinal axis (A-A) of the cable (1) is stored or acquired. |
| US11342726B2 |
Tunable semiconductor laser based on half-wave coupled partial reflectors
The present invention discloses a tunable semiconductor laser based on half-wave coupled partial reflectors. The laser comprises two resonant cavities; one resonant cavity is mainly composed of an optical waveguide, a first partial reflector and a second partial reflector, and the other resonant cavity is mainly composed of an optical waveguide, a first partial reflector and a second partial reflector. The resonant cavities are arranged along the same straight line and coupled to each other, and the two second partial reflectors in the two resonant cavities are connected by a common coupling waveguide. The present invention has the best single-mode selection, and an emitted wavelength can be switched between a series of channels; an optical grating needs not to be manufactured, and the structure is simple; and the laser has a high degree of freedom in coupler design and a great manufacturing tolerance and can realize large-scale digital tuning. |
| US11342723B2 |
Counter pumping a large mode area fiber laser
A fiber optic assembly includes: a gain fiber configured to output signal light; a first taper configured to expand the signal light output by the gain fiber; and a reversing prism configured to receive counter-pumping light and output the counter-pumping light into the first taper. The first taper is further configured to direct the counter-pumping light towards the gain fiber. |
| US11342719B2 |
Freestanding electrical receptacle
A freestanding electrical receptacle configured for being located on top of a surface of an object. The freestanding electrical receptacle includes a housing with a plurality of housing plates. Each housing plate of the plurality of housing plates has a respective thickness. The freestanding electrical receptacle also includes at least one receptacle located on the housing and at least one bottom plate coupled with the housing. The at least one bottom plate has a thickness which is thicker than the respective thickness of each housing plate of the plurality of housing plates for adding additional weight to the housing. The freestanding electrical receptacle also includes at least one bumper in engagement with the at least one bottom plate. |
| US11342717B2 |
Header for a medical implant device, particularly for a pacemaker
A header for a medical implant device is configured to provide an electrical connection to a circuit within the housing of the medical implant device. The header includes at least one circuit board; a header housing enclosing the circuit board and configured to be connected to the housing of the medical implant device; and a sensor system on the circuit board. |
| US11342711B2 |
Connector with an extendable lever assembly
A connector includes a connector housing having a coupling side for coupling with a complementary connector along a connection direction and a lever assembly including a lever for coupling with the complementary connector. The lever is pivotable around an axis of rotation on the connector housing. The axis of rotation extends essentially perpendicular to the connection direction. The lever extends in at least one position in the connection direction away from the axis of rotation toward the coupling side. The lever assembly has an extension that is movable relative to the lever and that extends the lever assembly in an extended state away from the axis of rotation. |
| US11342708B2 |
Set of connectors having a locking device
A set of electrical connectors includes a connector and a mating connector. The connector comprises a locking device mounted on a housing so as to slide in a locking direction between a pre-locking position and a locking position. The connector also has a latch. The latch is provided with a locking surface for locking the connector to the mating connector. The latch extends between a junction that joins it to the body of the housing and at least the locking surface in a direction opposite to the locking direction. |
| US11342707B2 |
Strain relief for a cable harness
The invention relates to a strain relief for a cable harness, which is used to connect a part to electrical and/or electronic components, wherein the cable harness has at least two wires and wherein a stop component, is provided, which is made of plastic and tightly encloses the wires such that the stop component (20) is fixed immovably on the wires. The invention also relates to a part with a housing, a cable harness, which is guided into the housing, and a strain relief according to one of the preceding claims, wherein the housing has a receiver for the stop component, in which the latter is received in a positively-locking manner in at least one tensile direction. |
| US11342706B2 |
Connector
A connector comprises a housing, a holder, a contact, an electrical wire and a sleeve member. The contact is accommodated in a contact accommodation portion of the housing at least in part. The holder is attached to the housing and defines a rear end of the contact accommodation portion. An electrical wire is connected to the contact and extends outside thorough a through hole of the holder. The sleeve member has a main portion and three or more front protrusions. The main portion extends in a front-rear direction and has a C-shape section in a plane perpendicular to the front-rear direction. Each of the front protrusions protrudes forward from a front end of the main portion. The sleeve member is attached to the contact to accommodate a part of the contact and a part of the electrical wire in the main portion and located between an abutment portion and the holder. At least three of the front protrusions are brought into abutment with the abutment portion of the contact. |
| US11342705B2 |
Electrical power supply device and method of operating same
An electrical power supply device is configured to communicate with a start-stop controller that automatically shuts down and restarts an internal combustion engine in a vehicle. The device includes a DC-DC power convertor and a device controller. The DC-DC power convertor is configured to produce a first voltage or a second voltage that is less than the first voltage. The device controller which causes the DC-DC power convertor to produce the first voltage in response to a run signal from the start-stop controller and also causes the DC-DC power convertor to produce the second voltage in response to a stop signal from the start-stop controller. |
| US11342703B2 |
Connector
In a connector (1), one end parts (31A, 31B and 31C) of first terminals (3A), a plurality of second terminals (3B) and a plurality of third terminals (3C) are arranged in parallel to each other along a first direction (D1). An outer resin portion (4) is formed with a first clamping portion (42A) for clamping one end part (20A) of a first core resin portion (2A) and one end part (20B) of a second core resin portion (2B) together, a second clamping portion (42B) for clamping the one end part (20A) of a first core resin portion (2A) and one end part (20C) of a third core resin portion (2C) together and a third clamping portion (42C) for clamping the one end part (20B) of a second core resin portion (2B) and the one end part (20C) of the third core resin portion (2C) together. |
| US11342696B2 |
Device with disposable element
The construction of a medical device having a disposable element is disclosed. Detachable elements comprising a body having a retention feature, an electrical contactor, and sensors are also disclosed. Further disclosed are detachable elements comprising a body having a hole and a retention pocket, an electrical contactor, and a printed circuit board assembly (PCB) in contact with the innermost surface of the body that forms the retention pocket. Further disclosed are detachable elements comprising a body having an opening and a printed film comprising conductive elements, where the conductive elements comprise a sensor configured to be aligned with the opening to expose the sensor. Further disclosed are reusable components having matching retention features. |
| US11342693B2 |
Connector assembly
A terminal retention hole of a receptacle housing has guide grooves for permitting sliding of protruding guide parts of a receptacle terminal in the engaging longitudinal direction of the protruding guide parts. Each of the plug terminals has a base part and a contact part extending from the base part. A thickness of the plug terminal contact part in the horizontal direction is smaller than the thickness of the plug terminal base part in the horizontal direction. |
| US11342691B2 |
Methods and apparatus for installing sleeve on cable using active dimensional analysis
An apparatus that melts and monitors sleeves for installation onto shielded cables. The apparatus includes a heat source for melting the sleeve, cable supports for supporting the cable during the melting process, a sensor system that is configured to measure a dimension of the sleeve during melting, and a computer that is connected to receive sensor data from the sensor system and send heater control signals to the heat source. The computer is configured to receive dimensional data from the sensor system, monitor that dimensional data by performing a dimensional analysis, and then deactivate or remove the heat source in response to dimensional analysis results indicating that the sleeve is fully melted (in the case of a solder sleeve) or only fully shrunken (in the case of a dead end sleeve) onto the cable. |
| US11342689B2 |
Multi mode array antenna
The disclosure relates to an array antenna, and more specifically, the array antenna configured by arranging a plurality of antenna elements at close positions. An array antenna is provided. The array antenna includes a first antenna operating in a first mode, and a second antenna operating in a second mode, wherein a correlation between an electric field of the first mode and an electric field of the second mode falls below a first threshold which is predetermined, or a correlation between a magnetic field of the first mode and a magnetic field of the second mode falls below a second threshold which is predetermined. |
| US11342681B2 |
Secondary reflector with frequency selective surface
A secondary reflector is provided which has structural strength based on the hexagonal design and which show frequency selective features and low insertion loss. The antenna system includes a main reflector at which an incoming RF signal from a signal source reaches, a secondary reflector at which the incoming RF signal reaches by being reflected from the main reflector, a second antenna feed to which a transmitted RF signal through the secondary reflector is directed and a first antenna feed to which a reflected RF signal from the secondary reflector is directed. The surface of the secondary reflector has a dielectric support layer with hexagonal holes and a frequency selective surface located on the support layer and having circular rings. |
| US11342680B2 |
Antenna device
A novel small-sized low profile antenna device that replaces a monopole antenna is provided. The antenna device is attached to a vehicle, the vehicle has an attachment surface, and the antenna device includes plural metal surfaces provided on a plane generally orthogonal to the attachment surface, the plural metal surfaces being formed at different angles from each other. A section of the antenna device opposed to the attachment surface is open, and each of the metal surfaces is formed with at least either one of a slot antenna and a slit antenna for a vertically polarized wave. |
| US11342678B1 |
Dual polarized MIMO UWB system: a method and device thereof
The embodiments herein provide a dual-polarized MIMO ultra-wideband system comprising of a linear polarized radiator and circularly polarized radiator. A Symmetric Heptagonal Monopole (SHM) radiating element coupled with a Stepped Co-Planar Waveguide (SCW) provides an ultra-wide bandwidth with linear polarization. An Asymmetric Ruby Shaped Monopole Radiator (ARSM) aided along with a Modified Asymmetric Ground Plane (MAGP) provides the resonance for the entire ultra-wide bandwidth with circular polarization. Modified Asymmetric Ground Plane (MAGP) reduces the cross-polarization between the radiators. Good isolation is achieved using Rectangular Slots (RS) deployed between the radiators. The Symmetric Heptagonal Monopole (SHM) radiating element embedded with Stepped Coplanar Waveguide (SCW), and an Asymmetric Ruby Shaped Monopole (ARSM) radiating element placed above a Modified Asymmetric Ground Plane (MAGP) is configured on a single platform to realize the proposed dual-band UWB MIMO system. |
| US11342675B2 |
Antenna module
An antenna module configured to receive a radio communication signal includes: a circuit board on which a signal processing circuit is placed; a patch antenna stacked on the circuit board; a parasitic element disposed above the patch antenna, having held portions having at least two sides opposed to each other, and configured to improve elevation angle reception characteristics of the patch antenna; an integrated resin holder supporting the circuit board and the parasitic element, having at least a pair of parasitic element locking pawls that sandwich and support the two sides of the held portions of the parasitic element from both sides such that the distance between the patch antenna and the parasitic element is kept constant. |
| US11342673B2 |
Wireless system and method for controlling wireless system
A wireless system includes a first antenna configured to form at least part of the shape of a first ring, a second antenna configured to form at least part of the shape of a second ring, where the second antenna is capable of being coupled to the first antenna by an electromagnetic field, a first rotation control unit configured to rotate at least one of the first antenna and the second antenna about a first axis that passes through the substantial center of the first ring, and a second rotation control unit configured to rotate at least one of the first antenna and the second antenna about a second axis that passes through the substantial center of the second ring and that is substantially orthogonal to the first axis. |
| US11342672B2 |
Antenna device and wireless LAN communication device
An antenna device that includes a first antenna configured to perform communication using a predetermined frequency band, and a second antenna configured to perform communication using the predetermined frequency band, and the first antenna and the second antenna are arranged such that amplitude directions of radio waves which are output from the first antenna and the second antenna coincide with each other. |
| US11342661B2 |
Antenna structure and wireless communication device using the same
An antenna and antenna module with a structure increasing radio wave coverage but reducing cross interference between modules includes a circuit board in the shape of an octagon and four antenna modules. The circuit board thus includes eight side surfaces, and the four antenna modules are respectively disposed on four non-adjacent side surfaces of the octagon. Each antenna module is electrically connected to the side surface by a feed portion. A wireless communication device using the antenna structure is also disclosed. |
| US11342654B2 |
Base station antenna, switch, and base station device
This application provides examples of a base station antenna, a switch, and a base station device. A connection status between an output port and an input port of a horizontal-dimensional feeding network is changed by using a switch of the horizontal-dimensional feeding network. In different connection statuses, quantities of input ports that are connected to a plurality of output ports of the horizontal-dimensional feeding network are different. The input port of the horizontal-dimensional feeding network is in communication with an antenna port to form a transceiver channel. In this case, a quantity of transceiver channels, of the horizontal-dimensional feeding network, formed in each connection status is different. Therefore, the quantity of transceiver channels supported by the base station device can be changed by using the base station antenna without a need of replacing the base station antenna. |
| US11342651B2 |
Antenna apparatus and terminal device
An antenna apparatus includes a first medium- and high-band (MBHB) antenna, and a terminal device includes a metal middle frame and a metal frame, a slot is opened on a side of the metal middle frame, and the MBHB antenna includes a first feed point, a first primary feed, and a radiating slot constituted by the metal middle frame and the metal frame, a first end of the radiating slot is connected to the side slot of the metal middle frame and is grounded using the metal middle frame, and an opening of a second end of the radiating slot is disposed at a bottom edge of the metal frame, where the first primary feed is connected to the first feed point and is spaced from the radiating slot, and the first primary feed is orthogonal to the radiating slot. |
| US11342650B2 |
Disk device
According to one embodiment, a disk device includes a housing including a sidewall, a magnetic disk, a wireless communication device including a first communication antenna, and a first insulating member. The sidewall includes a first through portion. The first insulating member closes the first through portion. The first communication antenna is located in the first through portion, is disposed spaced from the housing, and wirelessly communicates with an outside of the housing. |
| US11342649B2 |
Flexible waveguides having a ceramic core surrounded by a lower dielectric constant cladding for terahertz applications
The THz waveguides disclosed herein are used to transmit signals having a THz frequency in the range from 0.1 THz to 10 THz and include an alumina core surrounded by an optional cladding. The core may have a diameter (D1) in the range from 10 μm to 500 μm and may be comprised of a ceramic ribbon having a dielectric constant (Dk). The optional cladding may have a dielectric constant (Dk) less than the core. The THz waveguides can be formed using a continuous firing process and nano-perforation technology that enables access to a wide form factor range. In one example, rectangular waveguides, or ribbons, may be fabricated in the 10 μm to 200 μm thick range at widths in the range from sub-millimeters to several meters and lengths in the range from millimeters to several hundred meters. |
| US11342646B2 |
Connecting electrical circuitry in a quantum computing system
In some aspects, a flexible cable may comprise: a flexible strip with first and second parallel surfaces and first and second ends, said flexible strip being electrically insulating; a metal stripline within said flexible strip; first and second metallic grounding planes on said first and second surfaces, respectively; and a first circuit board mechanically attached to at least one of said first end of said flexible strip and said first and second metallic grounding planes at said first end, said first circuit board being mechanically stiff, said metal stripline being electrically connected to electrical circuitry on said first circuit board. |
| US11342643B2 |
Radio frequency filter and radio frequency module
A radio frequency filter includes a first conductive pattern; a second conductive pattern connected to a first point of the first conductive pattern and extended; a third conductive pattern connected to a second point of the first conductive pattern and extended to surround a portion of the second conductive pattern; a fourth conductive pattern; a fifth conductive pattern connected to a third point of the fourth conductive pattern and extended; and a sixth conductive pattern connected to a fourth point of the fourth conductive pattern and extended to surround a portion of the fifth conductive pattern. The first conductive pattern extends toward the fourth conductive pattern and the fourth conductive pattern extends toward the first conductive pattern. A distance between the first conductive pattern and the fourth conductive pattern is greater than or equal to a distance between the third conductive pattern and the sixth conductive pattern. |
| US11342642B2 |
High-order fully-reconfigurable balanced bandpass filters
High-order balanced bandpass filters that are continuously tunable in terms of frequency and bandwidth (BW) and can be intrinsically switched-off. The filters include multiple resonant sections cascaded between a differential RF input and a differential RF output. The resonant sections comprise at least one multi-resonant cell and at least one transmission pole cell. The multi-resonant cell includes four frequency tunable resonators, and is configured to create a frequency tunable pole at the center frequency of the filter, and two frequency tunable transmission zeroes at resonating frequencies of the resonators of the multi-resonant cell. The transmission pole cells each include two resistively-terminated frequency-tunable resonators configured to resonate at the center frequency of the filter. |
| US11342641B2 |
Liquid crystal phase shifting device including protrusions formed therein, a manufacturing method thereof, and a phase shifter matrix formed by the phase shifting devices
Provided is a liquid crystal phase shifting device including: a first substrate and a second substrate that are opposite to each other, wherein first protrusions is provided on a surface of the first substrate facing towards the second substrate, second protrusions is provided on a surface of the second substrate facing towards the first substrate, and the first protrusions and the second protrusions are alternately arranged; a microstrip line provided on the surface of the first substrate facing towards the second substrate, the microstrip line covering at least part of the first protrusions; first support pads provided between the first substrate and the second substrate; a ground electrode provided on the surface of the second substrate facing towards the first substrate, the ground electrode overlapping at least part of the second protrusions; and liquid crystal molecules provided between the microstrip line and the ground electrode. |
| US11342640B2 |
Secondary battery
A secondary battery has a battery body and a restraint. The battery body has a plurality of stacked power generation elements. The restraint restrains the battery body. The restraint has a first contact section (for applying a restraining force to an outermost layer surface (e.g., a negative electrode collector) of the battery body. The restraint is configured so that a stress occurring at a boundary of a non-contact region and a contact region of the first contact section is less than a breaking strength of the negative electrode collector, and the stress is based on the restraining force and on expansion and contraction of a negative electrode due to a change in volume of a negative electrode active material layer caused by charging and discharging. |
| US11342634B2 |
Contact plate including at least one bonding connector configured to establish electrical bonds to terminals of at least one group of battery cells in a battery module
Embodiments are directed to contact plates configured to establish electrical bonds between battery cells in a battery module. In a first embodiment, the contact plate includes at least one primary conductive layer including a hole that is aligned with two or more terminals of two or more battery cells in a group of battery cells that are configured to be connected in parallel with each other, and a bonding connector configured to provide direct electrical bonds between the contact plate and the two or more terminals of the two or more battery cells. In a second embodiment, a contact plate includes at least one primary conductive layer and a set of bonding connectors made from at least one material that is selected to match at least one material used for the terminals of the at least one group of battery cells. |
| US11342629B2 |
Method for manufacturing battery module
A method for manufacturing a battery module is disclosed herein. In some embodiments, a method for manufacturing a battery module which comprises a module case, in which an internal space is formed by a bottom plate and sidewalls, and an injection port is formed in the bottom plate or the sidewalls; a plurality of battery cells existing in the internal space; and a resin layer in contact with the bottom plate or the sidewalls while being in contact with the battery cells, the method including attaching a tape to cover the injection port of the bottom plate or the sidewalls; mounting an injection device of a resin composition such that the injection device is mounted on the injection port while penetrating the tape, and injecting the resin composition into the mounted injection device. The method provides a simple process and at low cost without occurrence of a reverse discharge phenomenon. |
| US11342627B2 |
Method of manufacturing a battery module
The present application can provide a battery module, a manufacturing method thereof, and a resin composition applied to the manufacturing method. The present application can provide a battery module having excellent power relative to volume, while being manufactured in a simple process and at a low cost, a manufacturing method thereof, and a resin composition applied to the manufacturing method. |
| US11342625B2 |
Method of fabricating and method of using porous wafer battery
A method of fabricating a porous wafer battery comprises the steps of providing a silicon wafer comprising a plurality of pores; applying a first metallization process; applying a passivation process; applying solder balls, aligning the silicon wafer with a substance, and applying a solder reflow process. A method using a porous wafer battery comprises the steps of connecting the porous wafer battery to a plurality of sensors, a plurality of switches, and a battery management system; monitoring temperature, resistance, or current; and electrically disconnecting a non-properly functioning pore. |
| US11342624B2 |
Module backbone system
An apparatus may include a first panel including a first upper surface and a first lower surface. The first upper surface may include a cavity extending into the first upper surface towards the first lower surface and a bus bar within the cavity. In addition, the apparatus may include a second panel having a second lower surface in direct contact with the first upper surface, wherein the second lower surface extends over a substantial portion of the cavity. In addition, the bus bar may include a first coupling element. The first coupling element may be configured to be mechanically coupled to a terminal of a battery module. Further, the cavity may position the first coupling element to align with the terminal. |
| US11342619B2 |
Cell structure of solid state battery
The disclosure provides a cell structure of a solid state battery capable of uniformly holding a solid state battery cell in a battery case and a manufacturing method of a solid state battery. In a process of manufacturing a can cell of the solid state battery, a shock absorber is disposed in the battery case after the solid state battery cell is inserted into the battery case and before a can lid is welded. Then, the lid is provided to seal the case. At the time of sealing, the solid state cell and a terminal are fastened by using an engaging member, and the airtightness is improved. |
| US11342616B2 |
Cell and battery
The present disclosure provides a cell and a battery. The cell includes a cell body and a packaging pouch for accommodating the cell body therein. The packaging pouch includes a seal portion, and the seal portion includes a sealed area. The sealed area includes a recess portion. The recess portion is provided in an end surface of the sealed area adjacent to the cell body and is recessed in a direction away from the cell body. |
| US11342615B2 |
Electrochemical cell cap
Methods, systems, and apparatuses are described for implementing electrochemical energy storage devices using a liquefied gas electrolyte. The mechanical designs of an electrochemical device to house a liquefied gas electrolyte as well as methods of filling and sealing said device are presented. |
| US11342612B2 |
Battery module with improved heat dissipation, battery pack including the battery module and vehicle including the battery pack
A battery module improves heat dissipation by causing electronic cooling to occur at a specific voltage or higher, a battery pack including the battery module and a vehicle including the battery pack. The battery module including a plurality of battery cells and lead junction parts in which respective leads of the battery cells are joined to each other includes a thermoelectric device mounted onto the lead junction part; and a constant voltage device configured to divert a current of the battery module to the thermoelectric device when an overcharge of the battery module occurs, and wherein the thermoelectric device is driven to electronically cool the lead junction part of the battery module when the overcharge of the battery module occurs. |
| US11342608B2 |
Battery module
Provided is a battery module having a structure for cooling efficiently without affecting the volume of the entire module. By utilizing dead spaces uniquely present in laminate cells and conducting heat in a lamination direction of electrodes to dissipate the heat, the cooling efficiency is improved without increasing the volume of the entire module. |
| US11342606B2 |
Lithium ion battery with an internal heating device
A lithium ion battery with an internal heating device including a cell provided inside the battery, a first cell tab and a second cell tab provided at the upper end of the cell, and the first cell tab and the second cell tab respectively connected to the cell, a heat generating device inside the cell and including a first layer of heating sheet respectively connected to a first tab of the first layer and a second tab of the first layer extending outside of the cell, a control switch composed of a first control switch and a second control switch, wherein an external equipment and the second control switch form a first branch, the first and second cell tabs and the cell form a second branch, and the first and second tabs, the first layer, and the first control switch form a third branch. |
| US11342602B2 |
Rapid charging electric vehicle and method and apparatus for rapid charging
An electric vehicle is provided. The electric vehicle includes an electric battery powering a drive system of the vehicle. The battery has a housing and a plurality of cells within the housing. The cells are spaced apart by interconnectors. The electric vehicle also includes a coolant delivery. The coolant delivery delivers coolant to the interconnectors. An electric battery is also provided. |
| US11342600B2 |
Switch
A switch comprising: a channel path comprising first and second MOS transistors with common source and gate terminals and drain terminals defining first and second terminals of the channel path; and control circuitry comprising: a third MOS transistor comprising: a gate coupled to the common source terminal; a source coupled to the common gate terminal by a resistor; and a drain coupled to a first reference terminal; a first current source coupled between the first reference terminal and the common gate terminal for providing a first current; a second current source coupled between the source terminal of the third MOS transistor and a second reference terminal for providing a second current greater than the first current; and a first switching arrangement configured to selectively enable and disable the first current source; and a second switching arrangement configured to selectively couple the common source terminal to the second reference terminal. |
| US11342596B2 |
Method and system for controlling a rechargeable battery
A battery management system for a rechargeable battery is disclosed which includes a control system configured to control, a numerical battery model, including a parametrized electric model; a parametrized thermal model; an aging model configured to provide stress parameters indicative of an instantaneous consumption of an expected lifetime of the battery in dependence on an internal temperature of the battery, and one or more of momentary state of charge, current, voltage and power delivered; updated electric parameters and/or updated thermal parameters based on a chronological sequence of internal temperature as obtained from the parametrized thermal model; a control system settings update unit configured to adapt controller settings based on stress parameters. |
| US11342595B2 |
Power consumption control device
A power consumption control device includes: a storage battery; a heating unit; a storage unit storing a combination of a temperature of the storage battery and a remaining capacity of the storage battery in association with an increase amount in an effective capacity of the storage battery when the storage battery is heated by the heating unit which is supplied with each of the heating powers; a control unit configured to determine a first power which can be charged to the storage battery and to distribute the first power to the storage battery and the heating unit so that the increase amount in the effective capacity of the storage battery is maximized based on the first power, the increase amount for each of heating powers corresponding to the temperature of the storage battery and the remaining capacity of the storage battery, and the heating powers. |
| US11342593B2 |
Additive for electrochemical energy storages and electrochemical energy storage
An additive for electrochemical energy storages is disclosed, wherein the additive contains at least one silicon- and alkaline earth metal-containing compound V1 which in contact with a fluorine-containing compound V2 in the energy storage forms at least one compound V3 selected from the group consisting of silicon- and fluorine-containing, lithium-free compounds V3a, alkaline earth metal- and fluorine-containing, lithium-free compounds V3b, silicon-, alkaline earth metal- and fluorine-containing, lithium-free compounds V3c and combinations thereof. Also disclosed is an electrochemical energy storage containing the additive. |
| US11342591B2 |
Apparatus and method for manufacturing electrode assembly
A method for manufacturing an electrode assembly is provided. The method includes a preparation step of preparing a plurality of separators and a plurality of electrodes; an electrode unit manufacturing step of manufacturing an electrode unit having a structure in which the separators and the electrodes are alternately disposed; a pre-sealing step of forming a pre-sealing part in which at least a partial region of each separator of the plurality of separators within the electrode unit are attached to each other; and a separator cutting step of cutting a region of the pre-sealing part. An apparatus for performing the method is also provided. |
| US11342588B2 |
Silicon-based energy storage devices with electrolyte containing dihydrofuranone based compound
Electrolytes and electrolyte additives for energy storage devices comprising dihydrofuranone based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a dihydrofuranone based compound. |
| US11342584B2 |
Solvent-free solid electrolyte
A solvent-free polymer electrolyte having a polymer matrix which is conductive for lithium ions and a lithium salt, wherein the polymer matrix has at least one pseudo-polyrotaxane which includes at least one linear polymer and at least one ring-shaped molecule, and wherein the lithium salt is arranged in the polymer matrix and is at least partially chemically bonded to the polymer matrix, wherein the polymer matrix includes at least one pseudo-polyrotaxane with at least one completely or partially chemically modified cyclodextrin or at least one completely or partially chemically modified crown ether, in which the present hydroxyl groups of the cyclodextrin, or the scaffold of the crown ether, are/is partly or completely modified by functional groups, wherein the functional groups comprise alkyl, aryl, alkenyl, alkynyl groups (Cn, with n≤5), or other short-chain polymer groups having up to 20 repeating units. |
| US11342576B2 |
Electrode assembly and method for manufacturing the same
The present invention provides a method for manufacturing an electrode assembly, comprising: interposing a plurality of first electrodes one by one, which are spaced apart from each other, between two separators; stacking a second electrode on each of outer surfaces of the separators on each of both sides of the first electrode at positions that are skipped by one of the plurality of positions on which the first electrodes are disposed to alternately continuously form a bi-cell, in which the second electrode/the separator/the first electrode/the separator/the second electrode are sequentially stacked, and a half-cell, in which the separator/the first electrode/the separator are sequentially stacked; cutting the stack into a unit cell in which one bi-cell and one half-cell are connected to each other; folding the unit cell so that the bi-cell and the half-cell are stacked; and stacking a plurality of folded unit cells to manufacture the electrode assembly. |
| US11342573B2 |
Ion-imbibed membranes based on proton conducting aromatic polyether type copolymers and their application in redox flow batteries
The present invention relates to a class of polymer ion imbibed membranes for electrolyte flow batteries. The membranes are a conducting aromatic polyether type copolymer bearing nitrogen heterocycles groups, especially pyridine type. While the membranes can be used in acid, basic, and neutral electrolytes, the nitrogen heterocycles in the membrane interact with acid in the electrolyte to form a proton transport network, so as to keep the proton transport performance of the membrane. The membrane has excellent mechanical stability and thermostability as well as tunable porosity. |
| US11342568B2 |
Fuel cell vehicle and method using fuel cell vehicle
A fuel cell vehicle includes a fuel cell, a hydrogen tank, a driving motor, a power feeder and a controller. The controller is configured to: obtain current location information of the fuel cell vehicle, hydrogen supply position information, a fuel consumption of the fuel cell vehicle in a drive mode, a remaining amount of hydrogen stored in the hydrogen tank, and a consumed amount of hydrogen per unit time in a power feed mode; calculate an amount of hydrogen that is required for the fuel cell vehicle to drive from the current location to the supply position; calculate a power feedable time period when the fuel cell vehicle is operable in the power feed mode without causing the remaining amount of hydrogen to become less than the required amount of hydrogen, and display information with regard to the power feedable period. |
| US11342565B2 |
Fuel cell catalyst and manufacturing method thereof
The present disclosure relates to a fuel cell catalyst and a manufacturing method thereof. The fuel cell catalyst can be used to manufacture a membrane electrode assembly having a catalyst layer of high density and high dispersion by solving the problem of aggregation of catalyst particles occurring during the formation of the catalyst layer, by using a catalyst including a polydopamine-coated support. In addition, the method for manufacturing the fuel cell catalyst does not require a solvent because the catalyst including the polydopamine-coated support, wherein from 0.1 to 1% of the hydroxy groups contained in catechol groups of the polydopamine are replaced by halide atoms, in solid phase are simply heat-treated by solid-to-solid dry synthesis which allows manufacturing of a fuel cell catalyst in a short time by eliminating the need for a washing process using a solvent and an extraction process for sampling after the synthesis. |
| US11342563B2 |
Three-dimensional soft electrode for lithium metal batteries
An electrode includes a soft substrate, a metal layer in direct contact with the soft substrate, and a lithium layer formed directly on the metal layer, wherein the metal layer comprises wrinkles. The wrinkles are of a substantially uniform height, and the height is in a range of 100 nm to 20 μm. The wrinkles are typically separated by a substantially uniform distance, and the distance is in a range of 100 nm to 1000 μm. The wrinkles may be one dimensional or two dimensional. Fabricating an electrode includes forming a metal layer on a soft substrate, and forming a lithium layer on the metal layer. Forming the lithium layer on the metal layer yields uniform wrinkles in the metal layer. A battery may include the electrode as described. |
| US11342556B2 |
Coating of electrode materials for energy storage devices
Batteries, methods for recycling batteries, and methods of forming one or more electrodes for batteries are disclosed. The battery includes at least one of (i) a cathode including a nickel-rich material and a first sub-nanoscale metal oxide coating on the nickel-rich material; and (ii) an anode including an anode material and a second sub-nanoscale metal oxide coating disposed on the anode material. |
| US11342552B2 |
Method of preparing cathode active material and cathode active material
Provide are a method of manufacturing a cathode material including (A) synthesizing a precursor including a metal compound and a carbon compound, (B) carbonizing the precursor in an inert atmosphere to produce a metal-carbon composite, (C) sulfurizing the metal-carbon composite in a sulfur atmosphere to produce a metal-metal sulfide-carbon composite, (D) removing metal particles from the metal-metal sulfide-carbon composite to produce a metal sulfide-carbon composite, and (E) synthesizing sulfur particles in the metal sulfide-carbon composite to produce a metal sulfide-sulfur-carbon composite, and a cathode active material. |
| US11342549B2 |
Method for forming sulfur-containing electrode using salt additive
The present disclosure relates to sulfur-containing electrodes and methods for forming the same. For example, the method may include disposing an electroactive material on or near a current collector to form an electroactive material layer having a first porosity and applying pressure and heat to the electroactive material layer so that the electroactive material layer has a second porosity. The first porosity is greater than the second porosity. The electroactive material may include a plurality of electroactive material particles and one or more salt additives. The method may further include contacting the electroactive material layer and an electrolyte such that the electrolyte dissolves the plurality of one or more salt particles so that the electroactive material layer has a third porosity. The third porosity may be greater than the second porosity and less than the first porosity. |
| US11342547B2 |
Positive electrode, method for preparing the same and electrochemical device
The present disclosure relates to the technical field of energy storage, and in particular, relates to a positive electrode, a method for preparing the positive electrode and an electrochemical device. The positive electrode includes a current collector and a positive electrode active material layer that contains positive electrode active material and is arranged on at least one surface of the current collector. An inorganic layer having a thickness of 20 nm to 2000 nm is arranged on the surface of the at least one positive electrode active material layer away from the current collector. The inorganic layer is a porous dielectric layer containing no binder, and the inorganic layer has a porosity of 10%˜60%. The positive electrode active material layer according to the present disclosure significantly improves the cycle performance, high-temperature storage performance and safety of the electrochemical device. |
| US11342545B2 |
Methods of lithiating electroactive materials
The present disclosure relates to electroactive materials for use in electrodes of lithium-ion electrochemical cells and methods of making the same, for example, methods for lithiating electroactive materials. A method of lithiating an electroactive material may include dispersing an electroactive material precursor within a room-temperature electrolyte that includes a lithium-based salt and contacting the electrolyte mixture and a lithium source so as to cause the lithium source to ionize and form lithium ions. The lithium ions may react with the electroactive material precursor to form a fully lithiated electroactive material (e.g., greater than 70% of total lithiation). The method further includes, in certain aspects, electrochemically discharging the fully lithiated electroactive material to form a lithiated electroactive material having an optimized lithiation state (e.g., less than or equal to about 40% of a first lithiation state of the fully lithiated electroactive material). |
| US11342542B2 |
Manufacturing method of display device
A manufacturing method of a display device is provided. The method includes following steps: providing a display module, a first optical adhesive layer, and a touch control structure layer, wherein the display module includes a light transmission region, and the first optical adhesive layer is provided with a first through-hole; attaching the first optical adhesive layer and the touch control structure layer onto the display module in sequence, wherein the first through-hole corresponds to the light transmission region; and using laser to cut a portion of the display module corresponding to the light transmission region to form a second through-hole corresponding to and connected to the first through-hole. |
| US11342537B2 |
Organic light-emitting diode device comprising self-repairing layer and manufacturing method therefor, display substrate and display device
An organic light-emitting diode device and a manufacturing method thereof, a display substrate, and a display device are provided. The organic light-emitting diode device includes an anode layer, an organic light-emitting layer and a cathode layer which are stacked. The organic light-emitting diode device further includes a self-repairing layer, and the self-repairing layer is arranged on a side of the cathode layer away from the anode layer, and the self-repairing layer is applicable for repairing the cathode layer by an oxidation-reduction reaction. |
| US11342531B2 |
Organic light emitting diode display panel having a touch function layer
An organic light emitting diode (OLED) display panel, including an encapsulation layer, a polarizer, a touch function layer, an optical adhesive and a cover window, the polarizer is formed on the encapsulation layer. The touch function layer is formed on the polarizer. The optical adhesive is formed on the touch function layer. The cover window is formed on the optical adhesive. The touch function layer includes an inorganic protection sublayer, a first metal sublayer, a barrier sublayer, and a second metal sublayer formed on the polarizer in this order. |
| US11342530B2 |
Transparent display substrate and manufacturing method thereof, transparent display device
A transparent display substrate, a manufacturing method thereof, and a transparent display device are disclosed. The transparent display substrate includes a base substrate and a pixel defining layer defining a plurality of pixel regions on the base substrate; at least one of the pixel regions includes a light-transmitting portion and a light-emitting portion, and is provided with an OLED layered portion and an auxiliary electrode; the OLED layered portion includes a reflective anode, an organic light-emitting layer and a transmissive cathode; and the auxiliary electrode is located in the light-transmitting portion, disposed at a side of the transmissive cathode close to the base substrate, and connected to the transmissive cathode. |
| US11342526B2 |
Hybrid organic light emitting device
An OLED device comprises an anode and a cathode, and at least one graded emissive layer disposed between the anode and the cathode, the graded emissive layer comprising first and second materials, wherein a concentration of the first material increases continuously from an anode side of the graded emissive layer to a cathode side of the graded emissive layer, and a concentration of the second material decreases continuously from the anode side of the graded emissive layer to the cathode side of the graded emissive layer. An OLED device comprising a graded emissive layer and a hybrid white OLED device are also described. |
| US11342523B2 |
Light emitting device with oxidation prevented quantum dots
To efficiently prevent oxidation of quantum dots in a light-emitting device including the quantum dots, a light-emitting device including a first electrode, a second electrode, and a quantum dot layer between the first electrode and the second electrode, in which quantum dots including a core, a shell covering the core, and a ligand coordinated with a surface of the shell and having an antioxidant property are stacked in the quantum dot layer, is provided. |
| US11342520B2 |
Stretchable display device
A stretchable display devices includes a flexible substrate. A plurality of first substrates and a plurality of second substrates are disposed on the substrate. The plurality of first substrates are spaced from each other and the plurality of second substrates, and the plurality of second substrates are spaced from each other. A plurality of connection supports are coupled to the plurality of first and second substrates. Connection lines extend on the plurality of connection supports to form an electrical connection between the plurality of first substrates and the plurality of second substrates. A distance between one of the plurality of second substrates and a corresponding outer one of the plurality of first substrates is greater than a distance between the plurality of first substrates to reduce stress on the plurality of second substrates during bending or stretching of the display device. |
| US11342516B2 |
Organic electroluminescent materials and devices
An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring, In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring. |
| US11342515B2 |
Organic electroluminescent materials and devices
Ligands with fused spirocyclic substitutions and metal complexes formed with such ligands and having improved performance in OLED applications are disclosed. |
| US11342510B2 |
Organic electroluminescent materials and devices
A premixed co-evaporation source that is a mixture of a first compound and a second compound is disclosed. The co-evaporation source is for vacuum deposition process. The first compound has a different chemical structure than the second compound. The first compound and the second compound are both organic compounds. At least one of the first compound and the second compound contains at least one less abundant stable isotope atom. At least one of the first compound and the second compound is a fluorescent or delayed fluorescent emitter. The first compound has an evaporation temperature T1 of 100 to 400° C.; the second compound has an evaporation temperature T2 of 100 to 400° C.; the absolute value of T1−T2 is less than 20° C. The first compound has a concentration C1 in said mixture and a concentration C2 in a film formed by evaporating the mixture in a high vacuum deposition tool with a chamber base pressure between 1×10−6 Torr to 1×10−9 Torr, at a 2 Å/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated. The absolute value of (C1−C2)/C1 is less than 5%. |
| US11342506B2 |
Organic electroluminescent element
An organic electroluminescent element includes a light emitting layer containing a polycyclic aromatic compound represented by (1) or its multimer having plural structures represented by (1) and an anthracene-based compound represented by (3). In (1) and (3), rings A to C represent optionally substituted aryl rings or heteroaryl rings, X1 and X2 represent >O, >N—R, >C(—R)2, >S, or >Se, R in >N—R represents aryl etc., R in >C(—R)2 represents hydrogen etc., R in >N—R and/or R in >C(—R)2 may be bonded to ring A, B, and/or C via linking group or single bond, X's and Ar4's represent hydrogen or optionally substituted aryls, not all X's and Ar4's represent hydrogen simultaneously, and at least one hydrogen in compound represented by (1) or (3) may be substituted by halogen etc. In the light emitting layer, concentration of the polycyclic aromatic compound or its multimer changes from a positive electrode layer to a negative electrode layer. |
| US11342503B2 |
Organic light emitting device and method of manufacturing the same
An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, the electron transport region including an electron auxiliary layer, wherein the hole transport region includes at least one copolymer selected from i) a first copolymer of a first compound and a second compound and ii) a second copolymer of a third compound and a fourth compound, wherein the first compound and the second compound are each independently selected from compounds represented by Formula 1, and the third compound and the fourth compound are each independently selected from compounds represented by Formula 2, and wherein the electron auxiliary layer includes a metal oxide. |
| US11342500B2 |
Antiferromagnetic memory storage devices from magnetic transition metal dichalcogenides
Switchable antiferromagnetic (AFM) memory devices are provided based on magnetically intercalated transition metal dichalcogenides (TMDs) of the form AxMC2, where A is a magnetic element of stoichiometry x between 0 and 1, M is a transition metal of stoichiometry 1, and C is a chalcogen of stoichiometry 2. Memory storage is achieved by fabricating these materials into crosses of two or more bars and driving DC current pulses along the bars to rotate the AFM order to a fixed angle with respect to the current pulse. Application of current pulses along different bars can switch the AFM order between multiple directions. Standard resistance measurements can detect the orientation of the AFM order as high or low resistance states. The state of the device can be set by the input current pulses, and read-out by the resistance measurement, forming a non-volatile, AFM memory storage bit. |
| US11342496B2 |
Semiconductor memory structure with magnetic tunneling junction stack and method for forming the same
A semiconductor memory structure includes a substrate, a magnetic tunneling junction (MTJ) stack disposed on the substrate, and an encapsulation layer surrounding the MTJ stack. The encapsulation layer comprises an outer silicon oxynitride layer with a composition of SiOx1Ny1 and an inner silicon oxynitride layer with a composition of SiOx2Ny2, wherein x1/y1>x2/y2. |
| US11342493B2 |
High coherence, small footprint superconducting qubit made by stacking up atomically thin crystals
A superconducting qubit is manufactured by stacking up atomically-thin, crystalline monolayers to form a heterostructure held together by van der Waals forces. Two sheets of superconducting material are separated by a third, thin sheet of dielectric to provide both a parallel plate shunting capacitor and a Josephson tunneling barrier. The superconducting material may be a transition metal dichalcogenide (TMD), such as niobium disilicate, and the dielectric may be hexagonal boron nitride. The qubit is etched, or material otherwise removed, to form a magnetic flux loop for tuning. The heterostructure may be protected by adhering additional layers of the dielectric or other insulator on its top and bottom. For readout, the qubit may be coupled to an external resonator, or the resonator may be integral with one of the sheets of superconducting material. |