Document Document Title
US11375650B2 Pick-up tool and mounting device
The pick-up tool is a tool used in a mounting device configured to mount a component on a board supported by backup pins disposed on a backup plate. The pick-up tool includes an attaching portion configured to be attached to a moving head moving the backup pin; a slit formed in an insertion direction in which an engaging portion formed on the distal end of the backup pin is inserted; and a groove, being formed orthogonally to the slit, into which the engaging portion enters.
US11375649B2 Component supply device and component mounting machine using the same
A component feeding device includes a tape lead-in mechanism that leads a component storage tape into a tape traveling path. A pair of tape holding portions are coupled to an operating lever such that the pair of tape holding portions are allowed to shift in posture between a holding posture in which the pair of tape holding portions are able to hold the component storage tape and a hold releasing posture in which the pair of tape holding portions release their hold on the component storage tape. As a result of turning together with the turned operating lever, the pair of tape holding portions shift in position between a send-off enabling position and a send-off disabling position at which the component storage tape is released from a state of being sent off. At the send-off disabling position, the pair of tape holding portions takes the hold releasing posture.
US11375647B2 Cooling fan and electronic devices with a cooling fan
An electronic device includes a fan assembly that draws air (including heated air) away from components and forces the air out of the electronic device. The fan assembly includes a guide vane located in the fan housing. Subsequent to air entering the fan assembly via the fan inlets, the guide vane is designed to direct the air to a fan outlet. Further, the guide vane is designed and positioned in the fan assembly to limit or prevent flow separation that may cause the heated air to recirculate and may also cause increased turbulence leading to elevated acoustic noise. Furthermore, the guide vane may include a tapered region to allow the heated air to readily flow over the guide vane to limit or prevent a vortex from occurring within the fan assembly. Using the guide vane, the fan assembly drives more air at the same fan speed and lowers noise generation.
US11375638B2 Immersion cooling apparatus
The disclosure relates to an immersion cooling apparatus configured to accommodate and cool at least one heat source. The immersion cooling includes a tank, a coolant, and at least one condenser. The coolant is accommodated in the tank and configured to direct thermal contact the at least one heat source. At least part of the at least one condenser is immersed in the coolant.
US11375637B2 Heat sink
A heat sink includes a pipe through which cooled fluid flows and a cooling block having a first face on which the pipe is placed and a second face to which a heat emitting element is attached. The cooling block has a contact region and a noncontact region at positions where the cooling block faces the pipe. In the contact region, the first face contacts the pipe. In the noncontact region, the first face faces the pipe with a gap therebetween. The contact region is included in a projection region defined by projecting a region of attachment of the heat emitting element onto the first face.
US11375635B2 System and method for removing components from a chassis
A chassis for housing a computing device of an information handling system includes an expansion card receiver. The chassis also includes an electrical receiver decoupler that partially ejects an expansion card from the expansion card receiver when an electrical connector of the expansion card is coupled to an electrical receiver of the expansion card receiver that enables the expansion card to be operably connected to a second component of the computing device. Partially ejecting the expansion card does not require the user of the chassis to physically contact the expansion card directly.
US11375634B1 Circuit card assembly standoff clip
A standing clip for supporting an object in an upright position includes a flexible grip having an upper lever arm, a lower lever arm, and first and second support legs. The first support leg extends from the upper lever arm at a second end of the flexible grip, and the second support leg extends from the lower lever arm at the second end of the flexible grip. The first and second support legs include complimentary clamping surfaces configured for clamping the object therebetween, and are spaced apart from each other by a gap. The flexible grip is depressible from a first state in which the gap is a first size to a second state in which the gap is a second size. The first and second support legs are oriented substantially vertically in the second state to clamp and suspend the object above a desired surface.
US11375629B2 Rotating frame lock for front crystal retention and sealing
A housing for an electronic device is disclosed. The housing includes housing components and a connector. The connector can be positioned between adjacent edges of two housing components. The connector can rotate from a first position to a second position to form a sealed joint between two adjacent housing components. The sealed joint can prevent moisture and debris from entering the housing of the electronic device.
US11375627B2 Modular wall mount enclosure
A modular, non-metallic enclosure with a first enclosure having an open end between first and second side panels and a second enclosure having an open end between third and fourth side panels. At the open end of the first enclosure, the first and second side panels each include a guide rail having a male guiderail member and a female guiderail channel. At the open end of the second enclosure, the third and fourth side panels each include a guide rail having a male guiderail member and a female guiderail channel. The male guiderail member/female guiderail channel of the first sidewall are configured to engage with the opposite of the male guiderail member/female guiderail channel of the third side wall. The male guiderail member/female guiderail channel of the second sidewall are configured to engage with the opposite of the male guiderail member/female guiderail channel of the fourth side panel.
US11375625B2 Electronic apparatus
A display apparatus includes a fixing frame, a first display device, and a second display device. The first display device is disposed on the fixing frame, and includes a top portion, an upper electrical connector connected to the top portion, and an upper receiving groove located at the top portion. When the upper electrical connector is located in a storage position, the upper electrical connector is located in the upper receiving groove. The second display device is disposed on the fixing frame, and includes a bottom portion and a lower electrical connector electrically located at the bottom portion, wherein the lower electrical connector is electrically connected to the upper electrical connector.
US11375622B2 Method and device for positioning a component arranged on a substrate
A method of positioning a component arranged on a substrate includes providing a substrate having at least one device for sensing an electromagnetic field arranged thereat, generating a dedicated conductive-trace structure on the substrate, the dedicated conductive-trace structure being provided for the purpose of generating an electromagnetic field having a known field distribution, applying an electric voltage to the dedicated conductive-trace structure, so that the dedicated conductive-trace structure generates the electromagnetic field having the known field distribution, and sensing the generated electromagnetic field having the known field distribution by means of the device for sensing an electromagnetic field. According to the method, the location of the component in relation to the substrate is determined on the basis of the above-mentioned sensing of the electromagnetic field having the known field distribution.
US11375621B2 Frame assembly for surface mount technology stencil
A framed stencil for surface mount technology (SMT) is provided. The frame assembly includes a frame member and a binding insert. The frame member includes an inner perimeter portion and an outer perimeter portion that cooperates with the inner perimeter portion to define an elongated channel. The outer perimeter portion includes a first cantilever portion that extends over the elongated channel and towards the inner perimeter portion. The binding insert is configured for releasable insertion into the elongated channel. The binding insert includes a base and a tongue. The base configured to interface with a mesh substrate to facilitate coupling therebetween. The tongue is coupled to the base and extends substantially horizontally from the base. When the binding insert is inserted into the elongated channel, the tongue extending beneath the first cantilever portion to facilitate retention of the binding insert to the frame member. Methods are also provided.
US11375620B2 Multi-layer ceramic electronic component, method of producing a multi-layer ceramic electronic component, and substrate with a built-in electronic component
A multi-layer ceramic electronic component includes: a ceramic body including internal electrodes laminated in one axial direction and having a main surface facing in the one axial direction; and an external electrode including a base layer including a step portion formed on the main surface, and a plated layer formed on the base layer, the external electrode being connected to the internal electrodes.
US11375611B2 Multilayer substrate
A multilayer substrate that includes a first ceramic layer that is a dense body, a second ceramic layer that has open pores, and a resin layer adjacent the second ceramic layer, wherein a material of the resin layer is present in the open pores of the second ceramic layer.
US11375607B2 Mirrored voltage regulator for high-current applications and method the same
The disclosed technology relates to a power supply circuit that utilizes a double-sided printed circuit board (PCB) that has a first surface and a second surface. The second surface is disposed opposite the first surface. Mounted on the first surface is a first power stage and a first inductor. Mounted on the second surface is a second power stage and a second inductor. The second power stage is disposed opposite the first power stage. The second inductor is disposed opposite the first inductor.
US11375606B2 Electronic apparatus
Disclosed is an electronic apparatus including a printed board, a plurality of connectors mounted on the printed board, a plurality of communication control circuits that is mounted on the printed board and that controls communication through corresponding ones of the plurality of connectors, and a shield member disposed to face the printed board, in which an annular ground pattern surrounding, without interruption, a shield area including the plurality of communication control circuits is formed on a front surface of the printed board, the plurality of connectors is all disposed outside the ground pattern surrounding the shield area, and the shield member covers the shield area and is fixed to the printed board such that a portion facing the ground pattern is electrically connected to the ground pattern.
US11375605B2 Electronic device
An electronic device includes a printed board, a frame for fixing the printed board, a connector fixed at a position along one side of a front surface of the printed board, and an electrically conductive member. An indented portion is formed at a position of the one side facing the connector. The electrically conductive member has a portion arranged in the indented portion, and is expanded and contracted in a direction along the one side and a thickness direction of the printed board by an external force. The electrically conductive member has an upper surface, a lower surface, and a side surface in contact, respectively, with a shell of the connector, one surface of the frame, at least one side-surface portion which is part of a portion forming the indented portion and extends along a direction crossing the one side. The electrically conductive member is electrically connected with a ground of the printed board via the side-surface portion.
US11375599B2 Systems and methods for outdoor luminaire wireless control
Systems and methods which leverage the wireless communication capability present in wireless-enabled luminaires where the lamps include a short-range wireless transceiver and can be controlled by a smart appliance. The wireless capability of a luminaire may be paired with a compatible wireless interface system (e.g., adapter system) that allows for control of the luminaire via plug-in or hard-wired photocontrols and wireless network lamp control nodes. An adapter system may be provided that replaces a standard wired receptacle of a luminaire. The adapter system may include a wired interface to the luminaire which provides power to the wireless adapter system. The wireless adapter system may include a receptacle interface that receives a plug of a control node, such as photocontrol or a networked control node. The wireless adapter system may also include a wireless interface circuit that communicates control, status or other data between the connected control device and the luminaire.
US11375594B2 Tapped linear driver and driving method
A LED lighting circuit has a plurality of LED segments connected in series. A switching arrangement is used to selectively bypass at least one LED segment to implement a tapped linear driver approach. Degrading of a component in the LED lighting circuit is detected, so that a first TLD current modulation scheme is implemented when no such degrading is detected whereas a second current modulation scheme, different from the first current modulation scheme, is implemented to compensate for said degrading. Said degrading is leading to an increase in a turning on voltage of one LED segment, and compared to said first current modulation scheme, said second current modulation scheme has a higher voltage threshold at which said LED segment is switched. In this way, protection may be provided for circuit components and the light output may be maintained at the desired level in the event of component degrading, such as LED chip failure or contact resistance changes.
US11375590B2 Auto-gradient combinations for pixel compensation
A luminaire adapted to apply an auto-gradient effect across pixels has an interface coupled by a connection to a controller. The controller has electronic circuitry that receives a predetermined start light parameter for a start pixel of a luminaire and receives a predetermined end light parameter for an end pixel of the first luminaire, the predetermined end light parameter greater than the predetermined start light parameter. The controller circuitry then automatically interpolates a gradient effect for a middle light parameter of each of a plurality of middle pixels of the luminaire based on the start and end predetermined light parameters. The controller circuitry then outputs control signals having the start, end and middle light parameters to the start, end and middle light pixels, respectively, through the connection and to the interface.
US11375588B1 Control a dimming level of an illumination load by a dimmer device
Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for a dimmer device including a driver, and a controller communicatively coupled to the driver and to a monitor device. The monitor device can include a camera and is configured to take a plurality of images of the illumination load. The controller provides a control signal that indicates to the driver to adjust power supplied to an illumination load. The control signal is provided in response to a determination that a performance of the illumination load fails to satisfy a predetermined performance indicator. The performance of the illumination load is determined based on information related to the plurality of images of the illumination load taken by the camera of the monitor device. The controller can adjust a dimming level of the illumination load by providing the control signal to the driver.
US11375585B2 Cooking appliance apparatus, and method for operating a cooking appliance apparatus
A cooking appliance apparatus, in particular an oven apparatus, includes a first heating element, a second heating element, a control unit configured to jointly operate the first and second heating elements to heat a cooking chamber in an operating state, and a power distributor unit which is configured to divide a total power into a first output power and a second output power in the operating state and to supply the first output power to the first heating element and the second output power to the second heating element.
US11375584B2 Methods and apparatus for processing a substrate using microwave energy
Methods and apparatus for processing a substrate are provided herein. The apparatus can include, for example, a microwave energy source configured to provide microwave energy from beneath a substrate support provided in an inner volume of the process chamber; a first microwave reflector positioned on the substrate support above a substrate supporting position of the substrate support; and a second microwave reflector positioned on the substrate support beneath the substrate supporting position, wherein the first microwave reflector and the second microwave reflector are positioned and configured such that microwave energy passes through the second microwave reflector and some of the microwave energy is reflected from a bottom surface of the first microwave reflector back to the substrate during operation.
US11375583B2 Control device having a secondary radio for waking up a primary radio
A control device may comprise a primary radio circuit for receiving radio-frequency signals via an antenna, and a secondary radio circuit for waking up the primary radio circuit when a radio-frequency signal is presently being transmitted by an external device. The control device may include a control circuit that may be coupled to the primary radio circuit, and may control the primary radio circuit into a sleep mode. The secondary radio circuit may generate a first control signal indicating that the radio-frequency signal is presently being transmitted by the external device. The control circuit may wake up the primary radio circuit from the sleep mode in response to the secondary radio circuit generating the first control signal indicating that the radio-frequency signal is presently being transmitted by the external device.
US11375574B2 Latency reduction
Reduced Advanced Audio Distribution Profile (A2DP) latency on a link between a source and a pair of headphones may be achieved by improving the quality of the link between secondary and primary and establishing a direct link between the source and secondary to mitigate the link quality issues of the source and primary link. In one example, this involves receiving, via a first receiver, packets from a source on a first wireless connection, determining, by the first receiver, that a first packet received via the first wireless connection has an error, establishing a second connection between the first receiver and a second receiver, and establishing a third connection between the second receiver and the source. In particular, the first receiver may be configured as a primary True Wireless Stereo (TWS) Bluetooth device and the second receiver may be configured as a secondary TWS Bluetooth device.
US11375573B2 Data transmission method and apparatus for discontinuous reception
Embodiments of the present application provides signal transmission method and apparatus for discontinuous reception, the signal transmission method includes: measuring, by a terminal device, a signal received by each of at least one downlink receiving beam and transmitted by a network device, where the number of the at least one downlink receiving beam is less than the number of downlink receiving beams formed by the terminal device and the network device by means of beamforming; determining, by the terminal device, a target downlink receiving beam from the at least one downlink receiving beam according to a result of the measurement; reporting, by the terminal device, the target downlink receiving beam to the network device, and receiving, by the terminal device, through the target downlink receiving beam, a physical downlink control channel PDCCH transmitted by the network device.
US11375571B2 Terminal apparatus, base station apparatus, method, and integrated circuit
Provided is a terminal apparatus for communicating with a base station, the terminal apparatus including: a receiver configured to receive, from the base station apparatus, a Radio Resource Control layer (RRC) reconfiguration message including a list of a Data Radio Bearer (DRB) identity corresponding to a DRB to be released; and a processing unit configured to, in a case that a first DRB identity corresponding to the DRB configured for the terminal apparatus is included in the list, release a Packet Data Convergence Protocol Layer (PDCP) entity associated with the first DRB identity and indicate to a Service Data Adaptation Protocol (SDAP) layer information of the DRB corresponding to the first DRB identity.
US11375568B2 UE and communication control method
Provided is a User Equipment (UE, terminal apparatus) including a transmission and/or reception unit, wherein in a case that a timer for a combination of Single Network Slice Selection Assistance information (S-NSSAI) and no Data Network Name (DNN) is running, the transmission and/or reception unit is capable of initiating an EPS Session Management (ESM) procedure without using an Access Point Name (APN) in an EPS, and the transmission and/or reception unit receives a value of the timer included in a PDU session establishment reject message.
US11375565B2 Measurement configuration method, terminal and base station
A measurement configuration method, a terminal and a base station are provided. The measurement configuration method includes: receiving a first measurement configuration and a second measurement configuration, wherein the first measurement configuration includes information of a frequency of a first communication system and the second measurement configuration includes information of a frequency of a second communication system; receiving a configured measurement gap configuration.
US11375564B2 Dynamically transitioning a UE to standalone connectivity with an access node based on the UE having threshold low power headroom on a secondary connection with the access node
A method and system for dynamically controlling connectivity of a user equipment device (UE) in a wireless communication system. An example method includes (i) while the UE has dual connectivity with a first access node and a second access node, determining that power headroom of the UE on an air-interface connection between the UE and the second access node is threshold low, and (ii) responsive to at least the determining, transitioning the UE from having the dual connectivity with the first access node and the second access node to instead having standalone connectivity with the second access node. Transitioning the UE to having standalone connectivity with the second access node as to which the UE had threshold low power headroom may help to improve quality of communication between the UE and the second access node.
US11375558B2 LWIP (LTE/WLAN radio level integration using IPSEC tunnel) packet acknowledgement using GRE (generic routing encapsulation) header
Techniques discussed herein can facilitate acknowledgment and/or re-ordering of LWIPEP (LWIP (LTE (Long Term Evolution)/WLAN (Wireless Local Area Network) Radio Level Integration Using IPSec (Internet Protocol Security) Tunnel) Encapsulation Protocol) packets. In various aspects employing a LWIP acknowledgment mode, LWIPEP packets can comprise an enhanced GRE (Generic Routing Encapsulation) header comprising a SN (Sequence Number) of the payload of that LWIPEP packet, which can facilitate acknowledgment of LWIPEP packets and re-ordering of LWIPEP packets (e.g., communicated over a WLAN link, an LTE link, or both) based on the SN(s) indicated in the enhanced GRE header(s).
US11375550B2 Sequence selection for non-orthogonal multiple access transmissions
Optimizing the resource configuration or selection for grant-free contention-based non-orthogonal multiple access (NOMA) transmissions is an effective way to increase network capacity and reduce multi-user interference at the user equipment (UE). In some embodiments, a network node may determine the current traffic load, select multiple access (MA) sequences for the UE based on the determination, and transmit this selection to the UE for subsequent transmissions. In other embodiments, the UE may receive a message with an indication of the traffic load being experienced by the base station that the UE is attempting to connect to, and then may randomly select an MA sequence for subsequent transmissions.
US11375545B2 Method and apparatus for information transmission
The present disclosure provides a method and an apparatus for information transmission. The method includes: transmitting information or a channel over one or more of available narrow bands. The available narrow bands include available uplink narrow bands and/or available downlink narrow bands and the available narrow bands are determined based on information including at least one of: a system bandwidth, a cell identity, a position of an anchor carrier, information indicated by a PSS, information indicated by an SSS, information indicated by a MIB and information indicated by a SIB. The information or channel transmitted over the one or more narrow bands includes at least one of: a downlink control channel, a PDSCH, an RAR, a paging message, a SIB, a MIB, a PRACH, a PUSCH, and a PUCCH. The above solution solves the problem regarding how to obtain multiple narrow bands/carriers in NB-IoT and provides a scheme for determining available narrow bands.
US11375542B2 Multi-sub-band LBT operation
The described techniques provide for efficiently contending for access to a shared radio frequency spectrum for communicating on multiple allocated sub-bands across multiple carriers. As described herein, a user equipment (UE) may first identify allocated sub-bands across multiple carriers in a shared radio frequency spectrum. The UE may then select a carrier and at least one of the multiple allocated sub-bands within the carrier on which to perform a listen-before-talk (LBT) procedure of a first type, and the UE may perform the LBT procedure of the first type on the at least one sub-band. In addition, the UE may also perform LBT procedures of a second type on allocated sub-bands within carriers different from the selected carrier. Based on the results of the LBT procedures, the UE may communicate with the base station on the allocated sub-bands across the multiple carriers in the shared radio frequency spectrum.
US11375540B2 Data transmission and receiving method and apparatus, and base station and terminal
Provided are a data transmission method and apparatus, a data receiving method and apparatus, a base station and a terminal. The method includes: acquiring predefined information; determining, according to the predefined information, whether to perform a listen-before-talk (LBT) mechanism before transmission; and when LBT indication information is carried in the predefined information, performing the LBT mechanism before a transmission device performs transmission according to a predetermined transmission mode, or when the LBT indication information is not carried in the predefined information, performing a predetermined non-LBT processing operation before the transmission device performs the transmission according to the predetermined transmission mode. By means of the above steps, the signals in the beamforming system are separately processed by performing the LBT mechanism or performing the predetermined non-LBT processing operation, which effectively solves the low signal transmission efficiency problem of the beamforming system.
US11375539B2 Listen-before-talk for uplink transmissions using multiple subbands
Methods, systems, and devices for wireless communications are described that support listen before talk (LBT) for uplink transmissions using multiple subbands. A base station may support communication with a user equipment (UE) via multiple subbands and may transmit an uplink grant to the UE that allocates resources of the multiple subbands for transmission of a shared data channel by the UE. The base station may include an indication within the uplink grant that indicates to the UE to perform a given type of LBT for each subband. After transmitting the uplink grant, the base station may transmit control information or other signaling (e.g., channel occupancy time system information (COT-SI)) that indicates subbands on which the UE is to perform a given type of LBT or other subbands on which the UE is to perform a different type of LBT.
US11375538B2 Wireless communication method and wireless communication terminal in high-density environment including overlapped basic service set
Provided is a wireless communication terminal. The wireless communication terminal includes a transceiver; and a processor. The processor is configured to receive a signaling field of a first PLCP Protocol Data Unit (PPDU) through the transceiver, and access a channel based on information identifying a Basic Service Set (BSS) indicated by the signaling field.
US11375537B2 Wireless communication method and wireless communication terminal in high-density environment including overlapped basic service set
Provided is a wireless communication terminal. The wireless communication terminal includes a transceiver; and a processor. The processor is configured to receive a signaling field of a first PLCP Protocol Data Unit (PPDU) through the transceiver, and access a channel based on information identifying a Basic Service Set (BSS) indicated by the signaling field.
US11375536B2 User equipment and base station participating in prioritized random access
The present disclosure relates to a user equipment, with a processor which upon being triggered by a random access events, determines random access transmission parameters to be used by the UE for transmitting a random access message to its base station. At least part of the random access transmission parameters are determined based on the random access event that triggered the transmission of the random access message and on random access configuration information. The random access configuration information associates each of a plurality of random access events with a set of random access transmission parameters among a plurality of random access transmission parameters usable by the user equipment to transmit a random access message to the base station. A transmitter of the UE transmits the random access message to the base station using the determined random access transmission parameters.
US11375525B2 Method for transmitting information, method for receiving information, terminal device, and network device
Provided are a method for transmitting information, a method for receiving information, a terminal device and a network device. The method includes that: a terminal device determines multiple uplink channels/signals to be transmitted, the multiple uplink channels/signals at least partially overlapping in time domain; and the terminal device determines to transmit one of the multiple uplink channels/signals according to first information related to at least one of the multiple uplink channels/signals. In the embodiments of the disclosure, according to the first information related to at least one of the multiple uplink channels/signals, the terminal device can clearly determine to transmit one of the multiple uplink channels/signals, thereby improving the success rate of transmission.
US11375523B2 Resource configuration method and access network device
An implementation of the present disclosure relates to a resource configuration method and an access network device, wherein the method comprises: the access network device receives a plurality of time-sensitive communication assistance information (TSCAI) sent by a core network device, the plurality of TSCAI correspond to traffic attributes of a plurality of traffic flows; and the access network device configures semi-continuous scheduling resources for each traffic flow in the plurality of traffic flows according to the plurality of TSCAI.
US11375522B2 Base station and user equipment with prioritized transmission considerations
A base station and user equipment with prioritized transmission considerations are provided. The base station generates an RRC configuration message for a user equipment. The RRC configuration message includes a first information element regarding a PHY layer, wherein the first information element is related to a DCI format for a specific indication, and the specific indication is related to a prioritized transmission mode. The RRC configuration message further includes a second information element regarding a MAC layer, wherein the second information element defines a transmission restriction of each of a plurality of logical channels, and at least one of the transmission restrictions corresponds to the prioritized transmission mode. The base station further transmits the RRC configuration message to the user equipment. The user equipment receives the RRC configuration message from the base station and reads the first information element and the second information element from the RRC configuration message.
US11375519B2 Wireless communication method and apparatus
The present disclosure relates to wireless communication methods and apparatus. One example method is executed in a communications system including N cells, where at least two cells of the N cells perform wireless communication by using a same carrier set, the carrier set includes M carriers, the M carriers are divided into N time-frequency resource groups, the M time-frequency resources in a same time-frequency resource group are in a one-to-one correspondence with the M carriers, and time domain locations of time-frequency resources corresponding to a same carrier are different, N≥2, and M≥2. The example method includes determining, by a network device, a first time-frequency resource group from the N time-frequency resource groups, and performing, by the network device, wireless communication in a first cell of the N cells by using one or more time-frequency resources in the first time-frequency resource group.
US11375518B2 Method and apparatus for managing PDCCH processing timelines
A user equipment, a base station, and a method for managing scheduling offsets. The UE is configured to receive a configuration for a set of minimum scheduling offset values for a first cell and receive a physical downlink control channel (PDCCH) of a second cell that is same as or different than the first cell. The UE is also configured to decode a downlink control information (DCI) format that includes a field that indicates a minimum scheduling offset value applicable for a reception of a physical downlink shared channel (PDSCH) on an active DL BWP of the first cell, or for a transmission of a physical uplink shared channel (PUSCH) on an active UL BWP of the first cell. The UE is also configured to determine a delay and apply the minimum scheduling offset value in a second slot of the second cell that is separated from the first slot by the delay.
US11375514B2 Method and apparatus for generating signal for low latency in wireless communication system
The present invention relates to a method and an apparatus for generating a signal for low latency in a wireless communication system. The method, according to one embodiment of the present invention, for a communication device generating a situation-reporting signal for low latency and transmitting the signal to a base station in a wireless communication system comprises the steps of: generating the situation-reporting signal on the basis of a pre-set, specific situation recognized by the communication device; and transmitting the generated situation-reporting signal to the base station, wherein the situation-reporting signal may be generated so as to have a subcarrier spacing which is a pre-set number of times larger than a subcarrier spacing of a legacy communication system, the pre-set number being an integer.
US11375512B2 Method and device in communication node used for wireless communication
The present disclosure provides a method and a device in a communication node used for wireless communications. A communication node first receives first information and second information; and then transmits a first radio signal; and monitors a first signaling in a first time window; the first information is used to determine a time length of the first time window, an interval between an end for a transmission of the first radio signal and a start of the first time window is a first time interval, and the second information is used to determine a time length of the first time interval; a bit output by a first bit block through channel coding is used to generate the first radio signal, the first bit block carries a first identity, and a second identity is used for monitoring the first signaling. The present disclosure helps improve the performance of random access.
US11375511B2 Method for transmitting and receiving slot setting information in communication system
A method for transmitting and receiving slot setting information in a communication system is disclosed. An operating method of a UE comprises the steps of: receiving, from a base station, a first upper layer message including SFI for indicating a format of a slot; receiving, from the base station, DCI or a second upper layer message for indicating a use of a flexible symbol belonging to the slot set by the SFI; and determining the flexible symbol belonging to the slot as a DL symbol or a UL symbol on the basis of the second upper layer message or the DCI. Therefore, a performance of a communication system can be improved.
US11375510B2 Methods to enable sidelink multicarrier transmissions
There is provided a method in a wireless device for transmitting data on sidelink carriers. The method comprises: obtaining a threshold related to a data rate; determining one or more sidelink carriers based on the threshold; selecting one or more sidelink carriers from the determined one or more sidelinks carriers for data transmission; transmitting data using the one or more selected sidelink carriers. The data rate may correspond to a buffer status of the wireless device, a bit rate or a congestion measurement of the sidelink carriers. A wireless device for performing this method is also provided.
US11375507B2 Decoupled uplink/downlink initial access
Methods, apparatuses, and computer-readable mediums for wireless communication are disclosed by the present disclosure. In an example, a user equipment (UE) communicates with a base station on different uplink (UL) and downlink (DL) beam paths. In the example, the UE may indicate to the base station a preferred beam path to use. The UE may indicate the preferred beam path in response to an explicit request from the base station or without an explicit request. The use of different UL/DL beam paths allow beam paths which avoid interference from a user of the UE to be used.
US11375503B2 Side link communications with slot aggregation
Certain aspects of the present disclosure are generally directed to an apparatus for wireless communication. The apparatus generally includes a processing system configured to determine a size of a transport block for a data channel based on a quantity of available resource elements of an allocation of resources for the transport block, the resources being allocated for transmission of data encoded in a plurality of slots of the data channel using slot aggregation, wherein the allocated resources in the plurality of slots have different quantities of available resource elements for the data, and generate the data channel in accordance with the determined size of the transport block, and an interface configured output the data channel for transmission.
US11375502B2 Resource indication method and device, storage medium, and processor
Provided are a resource indication method and device. The method includes: configuring a reference resource for preemptive transmission, dividing the reference resource into M portions in a time domain, and dividing the reference source into N portions in a frequency domain; and indicating a preempted resource in the M time domain portions and/or N frequency domain portions through indication information, where M≥1, N≥1, and the number of downlink symbols comprised in the time domain of the reference resource includes at least one of: a number less than 14 or a number greater than 14. Also disclosed are a computer storage medium and a processor.
US11375500B2 Communication method, base station, and user equipment
A communication method, a base station, a user equipment (UE), and a communications system. The method includes generating an uplink resource request message including identification information of a first UE, and sending, by the first UE, the uplink resource request message to a base station on a third time domain resource of a first subframe. The first subframe includes a first, second and third time domain resource, the first time domain resource of the first subframe is before the second time domain resource, the second time domain resource is before the third time domain resource, the first time domain resource is used to send first downlink control information, the second time domain resource is used to send downlink data, the first resource indication information indicates a first downlink resource used by base station to send the downlink data to a second UE.
US11375499B2 Managing or handling of uplink transmissions in a communication network employing a listen-before-talk procedure
A method in a communication device for managing uplink transmissions from the communication device to a network node. The method includes obtaining a timing advance value, the timing advance value indicating a time period in which the communication device shall advance a first uplink subframe transmission to the network node, obtaining information about a location of a gap within the first uplink subframe, the gap having a predefined duration, the location of the gap occurring after the time period indicated in the timing advance value, and performing the first uplink subframe transmission after the predefined duration.
US11375497B2 Power configuration method and terminal
The embodiments of the present disclosure provide a power configuration method and a terminal. The method includes: determining a percentage of uplink resource; transmitting with high power when the percentage of uplink resource is less than a first percentage, wherein the high power is higher than a maximum transmitting power of a default power class; transmitting with low power when the percentage of uplink resource is greater than or equal to the first percentage, wherein the low power is not higher than the maximum transmitting power of the default power class.
US11375491B2 Control information transmission method and apparatus
A control information transmission method and an apparatus related to the field of communications technologies include receiving first control information, where the first control information includes M unit lengths, and N unit lengths of the M unit lengths are effective unit lengths, 0≤N
US11375490B2 Monitoring downlink control channels for unlicensed operation
Methods, systems, and storage media are described for monitoring downlink control information (DCI). In particular, some embodiments may be directed to monitoring DCI for an indication of channel occupancy time (COT) information. Other embodiments may be described and/or claimed.
US11375489B2 Method and device for grant-free data transmission in wireless communication system
A communication technique and a system thereof for converging an Internet of Things (IoT) technology and a 5th generation (5G) communication system for supporting a high data transmission rate beyond that of a 4th generation (4G) system are provided. The disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. The disclosure provides a method and device for transmitting or receiving a plurality of dynamic scheduling-based and/or grant-free based data, and reporting feedback information relating to the plurality of data, in a wireless communication system.
US11375486B1 Method and device for detecting discontinuous transmission (DTX) assisted by noise estimation
Described is a method of processing a signal received at an uplink control information (UCI) receiver in a wireless communication system. The method comprises processing a signal received on an uplink (UL) at said UCI receiver to transform said received signal into a likelihood calculation of possible transmitted codewords (θ1 . . . θi . . . θN) and determining a maximum magnitude θmax value from said likelihood calculation. The method includes comparing said maximum magnitude θmax value to a selected, calculated or predetermined scaled threshold S·τ where τ is a threshold and S is a scaling factor for the threshold τ. The comparison step is such that, where |θmax|2>S·τ, the method comprises determining that the signal received comprises a linear block encoded signal. In the method, prior to said comparison step, the scaling factor S is selected from a plurality of scaling factor options. One scaling factor option (i) is a scaling factor SRE derived from a combination of estimated noise and/or signal power at an output of a resource element (RE) demapper module and an estimated channel response from/before an equalizer module of said UCI receiver. The options also include using a combination of SRE and a suitable scaling factor derived excluding option (i).
US11375471B2 Method for performing service request procedure and apparatus therefor in wireless communication system
In an aspect of the present invention, a method for performing a service request message of an Access and Mobility Management Function (AMF) in a wireless communication system may include a packet data unit (PDU) session identifier (ID) for a PDU session whose activation is desired by a user equipment from the user equipment; transmitting a first message comprising the PDU session ID to a session management function (SMF); when an establishment of the PDU session is rejected by the SMF: receiving a second message comprising a reject cause of the PDU session establishment as a response to the first message; and transmitting a service response message comprising the reject cause and a PDU session ID rejected by the reject cause to the user equipment.
US11375465B2 User equipment
In one aspect of the present invention, user equipment includes a reception unit configured to receive first system information in a frequency block where a synchronization signal is placed and third system information in another frequency block; and a control unit configured to stop detecting the synchronization signal, (1) based on a parameter value determined from the first system information, (1-1) when a control channel search space for receiving second system information does not exist and (1-2) when the parameter value is within a predetermined range and (2) when the control channel search space for receiving the second system information does not exist based on a parameter value determined from the third system information.
US11375464B2 Sidelink synchronization priority rules
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first kind of synchronization signals from a first synchronization source and may receive a second kind of synchronization signals from a second synchronization source. Additionally, the UE may determine a first priority for the first synchronization source and a second priority for the second synchronization source based on whether each synchronization source is connected to a global navigation satellite system from information in the synchronization signals. Accordingly, the UE may then select the synchronization source with the higher priority and communicate with one or more additional UEs based on synchronizing with the selected synchronization source. In some cases, the first kind of synchronization signals may include sidelink synchronization signals, and the second kind of synchronization signals may include data-based synchronization signals (e.g., demodulation reference signals).
US11375463B2 System, apparatus and method for dynamic transmit power determination
In an embodiment, an apparatus includes a transceiver with a receiver signal processing path and a transmitter signal processing path. The receiver signal processing path is to receive and process a message. The apparatus further includes a controller coupled to the transceiver to obtain information regarding the message and to determine, based at least in part on the information, a transmit power level for a next message to be sent from the transceiver according to a machine learning model.
US11375462B2 Method and apparatus for phase tracking reference signal in a wireless communication system
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Described is a method for providing a Phase Tracking Reference Signal (PTRS) in a wireless communication system. The method comprises transmitting, by a base station to a plurality of mobile devices, the PTRS in a wide beam transmission at a first power level. The first power level is set such that at least some of the mobile devices receive the PTRS with a sufficiently high signal strength to enable the PTRS to be correctly received and such that at least some of the mobile devices receive the PTRS with a sufficiently low signal strength to enable the PTRS to be processed as manageable interference. A first mobile device may estimate the Signal to Interference plus Noise Ratio (SINR) of the received PTRS, and transmit, to the base station, feedback information based on the estimated SINR. The base station may transmit, to the first mobile device, a narrow beam transmission comprising one or more allocated Resource Elements (REs) configured according to the feedback information. The allocated REs may be configured to (i) be left empty, so as to carry no information, (ii) contain data, or (iii) contain PTRS.
US11375457B2 User equipment and a method for power control of uplink transmissions
A UE and a method performed by the UE for power control of uplink transmissions, when the UE is connected in dual connectivity mode to at least a first network node and a second network node are provided. The method includes determining to perform a first uplink transmission to the first network node and a second uplink transmission to the second network node, the uplink transmissions to be performed simultaneously. The method also includes determining a respective first and second uplink transmission power for the first and second uplink transmission; and transmitting the first and the second uplink transmissions at the first and the second uplink transmission power respectively when the sum of the first and second uplink transmission power is below a maximum transmission power.
US11375454B2 Scheduling method, access point, and station
This application discloses a scheduling method, an access point, and a station. The method includes generating, by an access point AP, a first frame, where the first frame includes reservation information of each of at least one trigger frame, a first trigger frame is any one of the at least one trigger frame, and reservation information of the first trigger frame includes an identifier of the first trigger frame, start time of the first trigger frame, and a constraint condition of a station STA corresponding to the first trigger frame, and broadcasting, by the AP, the first frame to at least one STA.
US11375447B2 Display device for identifying communication method based on priority order of application and communication method thereof
A method for controlling a display device includes storing a quality order for each of a plurality of communication methods different from each other, based on a plurality of applications being executed, identifying a priority order for each of the plurality of applications, identifying a communication method corresponding to each of the plurality of applications among the plurality of communication methods based on the priority order and the quality order, and communicating with a server corresponding to each of the plurality of applications by the identified communication method.
US11375446B2 User management device, BNG, and BNG user internet access method and system
The application discloses an Internet access method. The method includes receiving a first Internet access packet reported by a first BNG, the first Internet access packet carrying user information and information of the first BNG, and receiving the user's second Internet access packet reported by a second BNG, wherein the second Internet access packet carries user information and information of the second BNG. The method also includes recording, according to the user information, information of the first BNG and information of the second BNG in a BNG list to which the user belongs, and selecting, according to a preset policy, the first BNG from the BNG list. The method also includes delivering the user's forwarding information to the first BNG; and sending a response packet to the user, where the response packet is used to instruct the user to access the Internet by using the first BNG.
US11375442B2 Method and apparatus for providing frequency band list in wireless communication system
A terminal for cell reselection in a wireless communication system includes: a transceiver; and at least one processor configured to select a Public Land Mobile Network (PLMN) in an idle mode or an inactive mode, receive, from a base station, a PLMN identity list including one or more pieces of PLMN identity information via a first type system information block, wherein each of the one or more pieces of PLMN identity information includes a PLMN identity for a corresponding PLMN, and the one or more pieces of PLMN identity information are listed in a first order for PLMN(s), receive, from the base station, a PLMN information list including one or more pieces of PLMN information via a third type system information block, wherein each of the one or more pieces of PLMN information includes a New Radio (NR) frequency band list for a corresponding PLMN in a same order as the first order for PLMN(s) in which the one or more pieces of PLMN identity information are listed in the PLMN identity list received via the first type system information block, determine whether at least one NR frequency for the selected PLMN is included in the NR frequency band list and whether the terminal supports to operate in E-UTRA-NR Dual Connectivity (EN-DC) by using the at least one NR frequency for the selected PLMN, when the at least one NR frequency for the selected PLMN is included in the NR frequency band list and the terminal supports to operate in the EN-DC by using the at least one NR frequency for the selected PLMN, transmit, to a upper layer, a upper layer indication, and when the at least one NR frequency for the selected PLMN is not included in the NR frequency band list or the terminal does not support to operate in the EN-DC by using the at least one NR frequency for the selected PLMN, transmit, to the upper layer, information indicating absence of the upper layer indication.
US11375441B2 Systems and methods for connecting wireless clients to preferred edge devices in active-active deployments
A WI-FI access point can be configured to communicate with a service set using a service set identifier (SSID) and to respond to, or not respond to, probe requests based on whether the WI-FI access point is a preferred access point for the SSID. The WI-FI access point can have a probe suppression indicator that indicates suppressive when the access point is not preferred and that indicates responsive when the access point is preferred. Transmitting a WI-FI beacon having a SSID value equaling the SSID can inform WI-FI clients of the service set. The WI-FI clients can transmit probe requests having SSID values equaling the SSID. The WI-FI access point can suppress sending probe responses responsive to the probe requests when the probe suppression indicator indicates suppressive. The WI-FI access point can send probe responses responsive to the probe requests when the probe suppression indicator indicates responsive.
US11375438B2 Adaptive network discovery signaling
An apparatus and method for adaptive network discovery signaling. Information is collected in a database of events, such as the discovery of a new station. The event information (e.g., new station, antenna sectors, active links) is shared with a central coordinator, or other stations in the network. Based on events, at this or other stations, signal transmission forms are adapted, for example for transmitting the beacon signals and notification signals. Adaptations of signal transmission include changing how frequently signaling is performed, timing of signaling, adjusting beam width, and/or adjusting directionality.
US11375436B2 Method and device for providing system information
Provided are a method for a distributed unit (DU) of a base station (BS) to broadcast system information in a wireless communication system, and a device supporting the same. The method may include: receiving system information owned by a central unit (CU) of the BS from the CU of the BS; receiving a request for the system information from a user equipment (UE); receiving a message of a command to broadcast the system information from the CU of the BS; and broadcasting the requested system information.
US11375430B2 Multi-path wireless mesh networks
Provided is a process that includes obtaining a directed acyclic graph describing a plurality wireless connections between a plurality of downstream nodes forming a multi-path route to an Internet connected wireless transceiver; determining an encoding kernel specifying transformations to be performed by the plurality of downstream nodes on data received from upstream nodes; transmitting at least part of the encoding kernel to at least some of the downstream nodes; and transmitting data from a data source to a downstream node in the directed acyclic graph specified by the encoding kernel such that the data is conveyed through the multi-hop, multi-path route to the Internet connected wireless transceiver.
US11375429B2 Wireless chip-to-chip switching
Embodiments of the invention provide a system and method for chip to chip communications in electronic circuits. In one embodiment, a networking device includes an input port circuit having a transmitter circuit coupled one or more transmitter antennas, wherein the input port circuit transmits a data packet to a first output port circuit using millimeter wave signals. The networking device includes output port circuits including at least the first output port circuit, each of the output port circuits having a receiver circuit coupled to one or more receiver antennas. The networking device includes a beamforming circuit coupled to the one or more transmitter antennas of the input port circuit, wherein the beamforming circuit causes the one or more transmitter antennas to transmit an antenna beam directed at the one or more receiver antennas of the first output port circuit.
US11375426B2 Method and apparatus for mobility mechanism in the scenario including both EPC and 5GC
Methods and apparatus for a mobility mechanism in the scenario including both enhanced packet core (“EPC”) and 5GC are disclosed. One method of a UE comprising receiving system information including a cell list from an eNB/ng-eNB, wherein, the cell list includes an identifier of a cell connected to EPC or an identifier of a cell connected to 5GC. Further, the identifier is a Physical Cell Identifier (“PCI”) of the cell, and the cell indicated in the cell list includes a serving cell for the UE and/or one or more neighbour cells of the serving cell. Further, the eNB/ng-eNB from which the system information is received can be the eNB/mg-eNB managing the serving cell for the UE or the eNB/mg-eNB managing the neighbour cells of the serving cell.
US11375423B2 Method and apparatus for configuring fallback for each bearer when daps handover fails in next-generation mobile communication system
The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure relates to a method and an apparatus for performing fallback when handover fails in a case where efficient handover without interruption of transmission or reception of data during handover is performed.
US11375421B2 Cell handover in a radio cellular system
When user equipment (UE) is to be handed over, the network and/or the UE determines a best beam for the UE's interactions with the target cell before the handover is completed. One or more additional next best beams may also be determined. The network (e.g., the target cell) allocates one or more uplink (UL) grants that corresponds to the best beam. Via a current cell, the UE receives the one or more UL grants from the network pertaining to communications between the UE and the target cell. The UE determines whether any beams of the one or more UL grants satisfy beam criteria. The beam criteria may include 1) an allocated beam being the current best beam or 2) an allocated beam being within a strength threshold of the current best beam. If the criteria is not satisfied, the UE initiates another handover type (e.g., a RACH-based handover).
US11375418B2 Condition handover method, related devices and computer-readable storage medium
A condition handover method, a related equipment and a computer-readable storage medium are provided. The condition handover method applied to a source network unit includes: receiving indication information indicating that a CHO is performed by a terminal; and sending, to a first target network unit corresponding to the CHO performed by the terminal, data to be forwarded corresponding to the terminal.
US11375417B1 Handover control in a wireless user equipment (UE)
A wireless User Equipment (UE) executes a user application and wirelessly exchanges signaling with a wireless communication network over a source frequency band. The UE selects a wireless network slice responsive to the signaling. The UE selects a target frequency band and a handover type based on a characteristic of the wireless network slice. The UE requests the target frequency band and the handover type by wirelessly exchanging signaling with the wireless communication network over the source frequency band. The UE wirelessly exchanges data for the user application with the wireless communication network over the target frequency band. The wireless network slice handles the data to deliver the wireless data service to the wireless UE for the user application. The UE and the wireless communication network use the handover type to handover the wireless UE during the delivery of the wireless data service.
US11375416B2 Method and user equipment apparatus for optimizing radio resource for URLLC services in dual connectivity technology
Provided is a method for optimizing radio resource for Ultra-Reliable Low Latency Communication services in a Dual Connectivity technology. The method includes: receiving DownLink (DL) data by a UE using a first Radio Access Technology (RAT) from a base station; transmitting a first Acknowledgement (ACK) signal using the first RAT to the base station based on the DL data being successfully received; updating a Mapping Table Sequence Number of the DL data in a Mapping Table by the UE, based on the DL data being successfully received by the UE using the first RAT; checking the Mapping Table by the UE upon detecting an error in the received DL data using a second RAT; and sending a second ACK signal to the base station using the second RAT of the UE based on the Mapping Table Sequence Number of the DL data being found in the Mapping Table.
US11375413B2 Method and apparatus for processing information
The present disclosure discloses a method and apparatus for processing information. The method for processing information comprises: retrieving, by a first base station, user context information of a User Equipment (UE) from a second base station by initiating a procedure to the second base station for retrieving the user context information, wherein the user context information doesn't include user history information; updating, by the first base station, bearer path information and resuming the user context information by initiating a path switch request message to a device in a core network; and performing, by the first base station, one or more of the following operations after the UE resumes to a connected state: re-starting to collect user history information, and re-retrieving user history information from the UE through an air interface.
US11375411B2 Resource unit sharing
Resource Unit (RU) sharing between Access Points in a wireless network is provided by identifying a first Access Point (AP) associated with a first user device, wherein the first AP has won contention for a RU; identifying a second AP associated with a second user device, wherein the first user device and the second user device are located within an overlapping area served by the first AP and the second AP; identifying an unused portion of the RU to which the first AP has not scheduled traffic between the first AP and the first user device; and assigning the unused portion to the second AP for communication between the second AP and the second user device.
US11375409B2 Cellular network capacity slicing systems and methods
Various arrangements for managing cellular network slicing are detailed. A cellular network management system may obtain performance data from cellular network components of a cellular network over time. The cellular network management system may analyze the performance data from the plurality of cellular network components to create a cellular network model indicative of performance of discrete portions of the cellular network over time. A service request may be received from an external entity that defines quality of service (QoS) parameters. A cellular network access conditions package may be created that defines conditions under which the external entity is eligible to utilize the cellular network. Cellular network components may then be configured to permit access to the cellular network by user equipment (UE) of the external entity and data services may be provided to the UE.
US11375406B2 Radio frequency (RF) information visualization
An example device in accordance with an aspect of the present disclosure includes an overlay engine, storage engine, and visualization engine. The overlay engine is to generate a static overlay, the storage engine is to store a plurality of static overlays generated by the overlay engine, corresponding to a plurality of time periods. The visualization engine is to visualize dynamic characteristics of the RF information based on generating an animated visualization showing progression of the RF information over time to illustrate historical trending of the dynamic characteristics.
US11375401B2 Network service device, session management device and operation methods thereof
A network service device includes a storage module, a communication module and a processing module. The storage module stores a ultra-reliable low-latency communication (URLLC)-compliant message. The processing module is coupled to the storage module and the communication module. The processing module receives a connection establish request message from a session management device through the communication module, and establishes a session according to the connection establish request message. The processing module provides the URLLC-compliant message to the session management device through the communication module.
US11375399B2 Contention window adjustment for multiple transmit receive points
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first transmit receive point (TRP) may transmit a first physical downlink shared channel (PDSCH) communication to a user equipment (UE), wherein the first PDSCH communication includes a first set of layers for a codeword, and wherein a second set of layers for the codeword are transmitted to the UE in a second PDSCH communication from a second TRP. The first TRP may receive from the UE, acknowledgement or negative acknowledgement (ACK/NACK) information corresponding to the codeword. The first TRP may adjust a contention window size based at least in part on a determination that a condition, associated with the ACK/NACK information, is satisfied. Numerous other aspects are provided.
US11375398B2 Modular, reliable wireless client device
In one embodiment, a client device having a plurality of radios obtains a list of basic service set identifiers (BSSIDs) for a plurality of wireless access points of a wireless network. The client device associates each of the plurality of radios of the client device with a different wireless access point of the wireless network, based on the obtained list of BSSIDs. The client device receives a copy of a data packet from a particular one of the associated wireless access points. Each of the associated wireless access points receives a replicated copy of the data packet to be transmitted towards the client device. The device causes the associated wireless access points to cease further transmission of their copies of the data packet by acknowledging receipt of the data packet to the particular wireless access point.
US11375397B2 Connection management method, apparatus, computer device and storage medium
Disclosed are a connection management method, and a computer device. The method includes sending, by a first terminal, a request message carrying a first QoS parameter to a second terminal. The request message is used for indicating to perform a connection operation between the first terminal and the second terminal according to the first QoS parameter. The connection between the first terminal and the second terminal includes connection for QoS flow, and the connection operation includes at least one of the following: establishing a connection between the first terminal and the second terminal, modifying the connection between the first terminal and the second terminal, or releasing the connection between the first terminal and the second terminal.
US11375396B2 Session management method, interworking method, and network apparatus
Embodiments of this application provide a session management method, an interworking method between different systems, and a network apparatus. The session management method includes: when establishing a guaranteed bit rate (GBR) flow of a terminal device in a first communications system, determining, by a session management network element in the first communications system, that the GBR flow is a GBR flow required for handing over the terminal device from the first communications system to a second communications system; and establishing, by the session management network element for the GBR flow, a session context corresponding to the second communications system. The methods and the network apparatus are used to resolve a technical problem of resource waste existing in a handover method in the prior art.
US11375394B2 Packet data converge protocol protocol data unit pre-processing
For pre-processing Packet Data Converge Protocol (PDCP) Protocol Data Units (PDU), a method receives a configuration of a reference uplink grant. In response to receiving the configuration of the reference uplink grant, the method calculates a preprocessing threshold of PDU for preprocessing by a Radio Link Control (RLC)/Medium Access Control (MAC) for each of one or more radio bearers.
US11375388B2 Obtaining accurate measurements of a channel parameter by a multi-radio device with a co-located interfering radio
In an example embodiment disclosed herein there is described a multi-radio device which comprises a first radio that first radio comprises a transmitter, and a second radio that second radio comprises a receiver that monitors a channel to obtain data representative of a predefined channel parameter. The second radio is operable to receive a signal from the first radio that indicates when the transmitter of the first radio is transmitting. The receiver of the second radio selectively excludes data representative of a predefined channel parameter based on whether the transmitter of the first radio is transmitting.
US11375387B2 Method for federating at least two communication networks for mobile terminals and network capable of being federated
A method for federating at least two communication networks for mobile terminals by establishing a dedicated link between the two networks and then configuring one of the networks to use elements of the other network, in particular the user database and the communication policy manager.
US11375386B2 Method and system for beamform management in vehicular communications
A method for beamform management in vehicular communications includes, within a computerized processor, determining a planned route for a vehicle, identifying a plurality of candidate cellular towers with which the vehicle may communicate along the planned route, and determining signal strengths of each of the towers at locations along the route. The method further includes determining a communication plan including identifying locations of each of the towers and segmenting the planned route into portions based upon the determined signal strengths. One of the towers is assigned to communicate with the vehicle for each of the portions based upon the signal strengths. The method further includes utilizing the communication plan to change communication between the vehicle and the towers as the vehicle traverses the route by directing a primary lobe of an antenna beam toward each of the candidate cellular towers in turn according to the communication plan.
US11375384B2 Beamforming common channels in 5G new radio
A method for wireless communication includes transmitting, with a base station (BS), multiple first signals using respectively different radio resources. The multiple first signals include a common signal component. The radio resource is identified by a radio resource ID. The method further includes receiving, with a user equipment (UE), out of the radio resources the multiple first signals from the BS, selecting, with the UE, a radio resource based on a reception quality of the multiple first signals, transmitting, from the UE to the BS, feedback information including the radio resource ID corresponding to the selected radio resource, and transmitting, from the BS to the UE, a second signal using the radio resource corresponding to the received radio resource ID.
US11375382B2 Network planning based on crowd-sourced access point data for 5G or other next generation network
Network planning based on collected crowd-sourced access point quality and selection data can optimize access point frequency and/or bandwidth selection. A cloud-based application can be utilized in conjunction with a mobile device to build a database of access point quality and thresholds suitable for real-time and other jitter-sensitive services. The mobile device jitter measurements and selection thresholds can be collected at a cloud platform, which creates an access point performance and selection threshold profile from which the network can facilitate access point frequency and/or bandwidth selections.
US11375381B2 Detection of fixed service incumbents on an unlicensed radio frequency band
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a node may receive a configuration associated with measuring an energy level of a first frequency channel of an unlicensed radio frequency band, wherein the configuration indicates a set of measurement occasions during which the energy level is to be measured on the first frequency channel; measure the energy level on the first frequency channel in a first measurement occasion, of the set of measurement occasions, according to the configuration; and operate in association with a second frequency channel of the unlicensed radio frequency band based at least in part on measuring the energy level on the first frequency channel, wherein the second frequency channel is paired with the first frequency channel for the unlicensed radio frequency band. Numerous other aspects are provided.
US11375379B1 Method and apparatus for identifying terminals
A method and an apparatus for identifying terminals. The method includes: sending by an NFC card reader of the identifying terminal, a preset instruction to an NFC chip of a terminal to be identified packaged in a packaging box, to switch on the terminal to be identified in a compartment; obtaining identification information corresponding to the terminal to be identified; obtaining location information of the identifying terminal; transmitting the location information and the identification information of the terminal to be identified to a verification server; and obtaining and outputting the identification result sent by the verification server.
US11375377B2 False base station detection
Certain aspects of the present disclosure provide techniques for detecting false base stations and transmissions therefrom.
US11375376B2 Method, apparatus, device, and medium for verifying vehicle information
A method, apparatus, device, and medium for verifying vehicle information are provided. A specific implementation scheme is: determining a target coding precision and a target coding mode of a target data packet to be transmitted; coding the target data packet based on the target coding precision and the target coding mode, to determine target verification information of the target data packet; and transmitting the target data packet and the target verification information, to instruct a receiving-end vehicle to verify the target data packet based on the target verification information.
US11375374B1 Systems and methods for temporarily barring UE network slice usage
Systems and method are provided for a temporary network slice usage barring service within a core network. A network device in the core network receives a slice barring information message for an application function (AF). The slice barring information message includes a unique subscriber identifier associated with a user equipment (UE) device to be barred from a network slice and indicates a barring expiration time. The network device stores barring parameters based on the slice barring information message. The barring parameters include a slice identifier associated with the AF, the unique subscriber identifier, and the barring expiration time. The network device sends a barring instruction message to another network device associated with the network slice. The barring instruction message includes the unique subscriber identifier and the barring expiration time. The other network device enforces temporary barring of the UE device from the network slice based on the barring instruction message.
US11375370B2 System and method for authenticating wireless programming devices in programmable medical systems
A medical device of a medical system is configured for communicating with an external programmer over a wireless communications link. The medical device comprises a wireless communications module configured for receiving a first unencrypted version of a random number and a first encrypted version of the random number from the external programmer over the wireless communications link. The medical device further comprises control circuitry configured for performing an authentication procedure on the external programmer based on the first unencrypted version of the random number and the first encrypted version of the random number, and preventing the external programmer from commanding the medical device to perform an action unless the authentication procedure is successful.
US11375365B1 Activation of a radio device for customer use
One example device facilitates activation of a radio device includes an electronic processor configured to select the radio device from a plurality of types of unactivated radio devices. Each radio device of the plurality of types of unactivated radio devices may be factory loaded with a global firmware and a global codeplug. The electronic computing device may be configured to determine at least one of a region-specific codeplug version and a region-specific regulatory restriction based on a desired region of operation, and associate the at least one of the region-specific codeplug version and the region-specific regulatory restriction with a unique identifier of the radio device that are configured to be transmitted to the radio device to activate the radio device for communication within the region of operation in response to receiving an indication that the radio device has been powered-up for a first time for operation by a customer.
US11375362B2 Indicating user equipment capability for a communication feature with both frequency range and duplex mode differentiation
In an aspect, a UE may determine a capability of the UE to support two or more frequency range and duplex mode combinations associated with a communication feature, wherein the communication feature is associated with a plurality of frequency ranges and is further associated with a plurality of duplex modes on at least one of the plurality of frequency ranges. The UE may transmit, to a core network component, a UE capability indication that indicates the determined capability. The core network component may receive the UE capability indication. The core network component may perform at least one action in response to the UE capability indication.
US11375359B2 Method and system for managing service provisioning based on registration
A service provision system includes a first terminal apparatus and a second terminal apparatus that perform member registration processing, acquires a current position of a user when a member registration request is received from the user, and transmits the received member registration request to the first terminal apparatus or the second terminal apparatus, depending on whether or not the current position is within a range of a predetermined distance from a predetermined area related to provision of a service.
US11375358B2 Reset of dynamic allowed area list for a UE
Embodiments herein relate to methods for resetting (507) a dynamically generated allowed area list, a Dynamic Allowed Area (DAA) list, for a user equipment (UE) performed by a network function (AMF, PCF), as well as a corresponding network function configured to perform the method. Further, embodiments herein relate to a corresponding method performed by a UE as well as a UE configured to perform the method.
US11375357B1 High throughput short-range wireless gateway
A short-range wireless communication gateway, such as a Bluetooth® low energy (BLE) gateway, has improved aggregated throughput by incorporating multiple central devices within a single gateway, where each central device is configured to operate with a subset of the peripheral devices. Algorithms are provided to determine to which central device a newly discovered peripheral device will connect. To help avoid data collisions, the wireless band dedicated to the short-range wireless communication can be divided into a plurality of sub-bands, where the number of sub-bands typically corresponds with the number of central devices within the gateway.
US11375355B2 Methods and systems for provisioning emergency numbers
There is provided a method and device for provisioning emergency number information on a user equipment. When a dialed number matches an emergency number from the provisioned emergency number information, the user equipment selects either the circuit switched domain or the packet switched domain and executes a call setup procedure for that domain.
US11375354B2 Method for resource creation and registration of application entity, and communication node device and terminal device
A method for creating a resource for an application entity, a method for application entity registration, a communication node device and a terminal device, according to the method for creating a resource for an application entity, a first resource is created according to a first registration request, the first resource including a first identifier, such that the application entity is associated with the first resource through the first identifier; and a second resource is created according to a second registration request, the second resource including a second identifier, such that the application entity is associated with the second resource through the second identifier.
US11375353B2 Occupancy-based adjustment of communication based on ID count values
A radio communication device includes an application execution unit which generates first transmission data including first application identification information, a communication unit which receives a message including first reception data including the first application identification information, and an occupancy rate determination unit including a transmission ID number counter which counts the number of first application identification information included in the first transmission data and which outputs a count result as a first transmission ID count value, a reception ID number counter which counts the number of first application identification information included in the first reception data and which outputs a count result as a first reception ID count value, and a comparison unit which compares the first transmission ID count value with the first reception ID count value to determine the number of transmission data and the number of reception data have a predetermined ratio.
US11375347B2 System and method for delivering secondary content to movie theater patrons
Systems and methods disclosed herein include systems and methods for delivering secondary content to a plurality of user devices, the secondary content comprising events synchronized to primary content. The process can include: delivering an application to a plurality of user devices, the application configured to play or executed secondary content on the user devices; and causing the secondary content executed on the user devices to be synchronized with primary content.
US11375345B2 Message extension app store
A service for providing messaging extension apps can be an online store that can be browsed and searched for the apps. The store uses extension app identifiers which are related to app identifiers that are sent between devices in a conversation of messages so that a receiving device can, when it does not have the extension app installed to interact with received content, use the extension app identifier to download and install the required extension app. In one embodiment, the download and install can occur while the messaging app remains the foreground app, and the messaging app adds an icon of the newly installed extension app into a browsable tray in the UI of the messaging app.
US11375342B2 Apparatuses, methods and computer programs for grouping users in a non-orthogonal multiple access (NOMA) network
A CSI-constrained UE grouping system for dense uplink NOMA systems. For example, a network node (e.g., an access point, such as a base station) determines which UEs should be grouped based on the uplink (UL) rate demand (UL traffic demand), and sends appropriate parameters to those UEs for UL transmission.
US11375336B2 Radio-based occupancies in venues
Inter-alia, a method is disclosed comprising: receiving at least one radio-based count information indicative of a number of radio devices residing at a venue or a part thereof; determining an occupancy information indicative of an occupancy of a number of persons residing at the venue or a part thereof, wherein the occupancy information is determined based at least partially on the radio-based count information and a correction information indicative of a relation between a true number of persons residing at the venue or a part thereof and the number of radio devices observable at the venue or a part thereof, wherein the correction information represents a ratio of a number of radio devices that have turned their radio communication interfaces on per persons residing at the venue or a part thereof; and storing the occupancy information. It is further disclosed an according apparatus, computer program and system.
US11375333B1 Spatial audio reproduction based on head-to-torso orientation
A media system and a method of using the media system to reproduce spatial audio based on head-to-torso orientation, are described. The method includes determining a head-to-source orientation and a head-to-torso orientation based on head orientation data generated by a head tracking device. Determining the head-to-torso orientation includes determining torso movements based on movements of the head. The torso can be determined to move when the head movements meet a head movement condition, such as a predetermined angle of movement or pattern of movement. A binaural audio filter that is based on a head-related transfer function corresponding to both the head-to-source orientation and the head-to-torso orientation is applied to an audio input signal to generate an audio output signal. The audio output signal is played to accurately recreate spatial audio having sounds emitted to the user by a sound source. Other aspects are also described and claimed.
US11375328B2 Extended bandwidth hearing aid with dynamically adjustable sampling rate for power optimized deployment of coordinated reset (CR) neuromodulation for the treatment of subjective tonal tinnitus
A hearing aid device is provided. The hearing aid device comprises: an input unit configured to receive an acoustical input and transform it into an electrical input signal; a signal transforming unit coupled to the input unit and configured to process the electrical input signal to obtain an electrical output signal; a stimulation unit configured to generate a stimulation signal for acoustic coordinated reset neuromodulation therapy; an output unit configured to transform at least one of the electrical output signal and the stimulation signal into an acoustical output.
US11375325B2 Method for operating a hearing device, and hearing device
A hearing device has a signal processor which has an adjustable parameter that has a given setting at a given time. The parameter is set depending on the situation by selecting a setting, depending on an environmental situation and by a learning machine. A current setting of the parameter can be rated by feedback from a user. In a first training procedure the learning machine is passively trained by negative feedback signals, by rating feedback from the user as dissatisfaction with the current setting and by assuming the user's satisfaction with the current setting as long as no feedback is given. In a second training procedure the learning machine is trained by changing the current setting independently of the feedback from the user and in spite of an assumed satisfaction with the current setting, so that the user is offered a different setting which can then be rated by feedback.
US11375321B2 Eartip venting in a contact hearing system
In one embodiment, the present invention is directed to an ear tip having a proximal end and a distal end, the eartip including: a transmit coil, the transmit coil including a core of a ferromagnetic material, the ferromagnetic core having a central channel there through, a distal end of the ferromagnetic core positioned at a first opening in a distal end of the ear tip; a passage extending from an opening at a proximal end of the ear tip to the distal end of the ear tip, the passage ending at a second opening in the distal end of the ear tip, wherein a proximal end of the central channel is connected to the passage.
US11375315B2 Sound generator
A sound generator includes a frame, a magnetic circuit system and a vibration system accommodated in the frame. The vibration system includes a suspension. The suspension includes a first part and a second part attached to the first part. The first part includes a first middle portion, a first edge portion, and a first positioning portion. The second part includes a second middle portion, a second edge portion, and a second positioning portion. The second positioning portion is stacked on the first positioning portion, and is assembled with the first positioning portion by adhesive. The first edge portion is convex toward the frame, and the second edge portion is convex away from the frame, by which a sealed cavity is formed between the first and second edge portions. By virtue of such a configuration, the strength of the vibration system is improved.
US11375310B2 Audio signal processing method and apparatus, and device
The present application provides a method of audio signal processing. The method comprises obtaining a voice coil direct current resistance of a speaker. The method further comprises obtaining an audio input signal to be input into the speaker. The method further comprises determining an audio input power based on the voice coil direct current resistance and the audio input signal. The method further comprises obtaining a thermal model of the speaker, and determining a transient power threshold based on the audio input power and the thermal model. The method further comprises determining a power constraint gain based on the audio input power and the transient power threshold. The method further comprises obtaining a voice coil temperature of the speaker. The method further comprises determining a temperature constraint gain based on the voice coil temperature and an upper operating temperature limit of the speaker. The method further comprises adjusting the audio input signal based on the power constraint gain and the temperature constraint gain, to obtain a target signal.
US11375309B2 Sound collection device, sound collection method, and program
The present disclosure provides a sound collection device that collects a sound while suppressing noise. The sound collection device includes: a storage that stores first data indicating a feature amount of an image of an object indicating a noise source or a target sound source; and a control circuit that specifies a direction of the noise source by performing a first collation of collating image data generated by a camera with the first data, and performs signal processing on an acoustic signal outputted from a microphone array so as to suppress a sound arriving from the specified direction of the noise source.
US11375303B2 Near to the ear subwoofer
A loudspeaker arrangement for a seat within a motor vehicle utilizes one or more localized sound output ports for low frequency sound reproduction. A housing, such as an enclosure, substantially surrounds a loudspeaker. One or more audio transmission line channels acoustically interconnect the interior of the enclosure to one or more sound output ports. The enclosure is situated below, behind, or in some fixed location around or within a vehicle seat. The sound outputs ports are situated at or near a headrest such that the output ports are located substantially less than a wavelength of sound at the highest operating frequency from either ear of the seat's occupant. The acoustic response and resonances of a 1) rear enclosure, 2) a front vented enclosure, 3) a loudspeaker, and 4) an audio transmission path from the enclosure to one or more output ports are used to provide localized low frequency sound reproduction.
US11375302B2 Speaker device and mobile terminal provided with speaker device
The present application discloses a speaker device including a speaker box, a heating element and a heat conductor. The speaker box includes a front acoustic cavity and a back cavity. A housing includes a plastic member with a through hole and a metal clamping plate. The heat conductor includes a first end connecting with the heating element and a second end connecting with the extension part and a connection part. The heat conducted by the heat conductor is transferred by air flow in the front acoustic cavity to realize the heat dissipation of the heating element.
US11375290B2 Rules-based ancillary data
Curating ancillary data to be presented to audience members of a visual program content may include a) creating a timeline rule that correlates ancillary data objects to respective visual program content features, the visual program content features correlated to respective instances on a timeline of the visual program content, b) creating an environmental rule to correlate the ancillary data objects to respective environmental features of an audience member; and c) indicating that the ancillary data objects are to be presented to the audience member when both the timeline rule and the environmental rule are met such that the ancillary data objects may be presented to the audience member when both a) the respective ones of the visual program content features appear in the visual program content during playback by the audience member and b) the respective environmental features are present.
US11375286B1 Pre-fetch of data using seek intervals
A data storage device comprises a non-volatile memory, a buffer, and a controller. The controller is configured to decode a media file to extract timestamp information related to a set of frames of the media file and receive, from a host, a seek command associated with playback of the media file. The seek command includes a seek interval. The controller is further configured to remove at least a portion of the set of frames based at least in part on the seek interval and the extracted timestamp information and transmit a subset of the set of frames, not including the removed at least a portion of the set of frames, to the host.
US11375285B2 Customized content skip for media players
Systems and methods for determining a skip time for navigating a media content in a media content system are disclosed herein. An input to perform a media content skip operation on the media content is detected. A current play position time in the media content is further detected, and a skip time amount based on the current play position time and a total media content play time is determined. The media content is skipped to a new play position time based on the skip time amount in response to the detected input.
US11375284B2 Streaming virtual reality video
An improved streaming of a Virtual Reality [VR] video to a VR rendering device is provided. The VR video may be represented by a plurality of streams each associated with a different view of a scene. A view of the scene may be determined which is to be rendered by the VR rendering device. A subset of streams may be identified which is needed to render the view of the scene. The streaming of the subset of streams to the VR rendering device may be effected by streaming the plurality of streams from a stream source to a forwarding node downstream of the stream sources and upstream of the VR rendering device, and selectively forwarding the subset of streams from the forwarding node to the VR rendering device in response to the view having to be rendered by the VR rendering device. As such, the switching latency between streams may be reduced. Namely, streams which are not needed for rendering a current view, but which may be needed for rendering a next view, may be continuously made available at network nodes nearby the VR rendering device.
US11375283B2 Configuring settings of a television
Implementations generally relate to configuring settings of a television. In some implementations, a method includes receiving a signal at a television, where the signal is associated with a television program. The method further includes determining the television program. The method further includes determining a plurality of variations of television settings based on the television program. The method further includes displaying a plurality of windows on a display of the television. The method further includes displaying the television program in each window of the plurality of windows, where the television program is displayed in each window based on a different variation of the plurality of variations of the television settings.
US11375280B2 Systems and methods for evaluating models that generate recommendations
A device may receive content data, a first model, and a second model. The first model may be trained on different types of metadata than the second model. The content data may include a first identifier of a first content item and a first set of metadata associated with the first content item. The device may process the first set of metadata to generate first recommendations from the first model and second recommendations from the second model. The device may provide the first identifier and a combination of the first recommendations and the second recommendations to client devices. The device may receive, from the client devices, user-generated target recommendations based on the combination. The device may process the user-generated target recommendations, the first recommendations, and the second recommendations, to provide feedback to update the first model and the second model.
US11375278B2 Concurrent presentation of non-programming media assets with programming media content at client device
A media presentation and distribution system communicatively coupled to a client device, which handles enablement of a client-side dynamic presentation of at least one non-programming media asset along with programming media content. The client device receives a first media stream of the programming media content in response to a request, associated with at least one user preference for the programming media content, to the media presentation and distribution system. The client device identifies at least one tag in the programming media content and transmits at least one event opportunity point for selection to the media presentation distribution system. Based on the selection, the client device modifies a display view of the client device for a defined duration, and presents the at least one non-programming media asset, from a second media stream for the defined duration, concurrently with the programming media content over the modified display view of the client device.
US11375277B1 Methods, systems, and devices for enhancing viewing experience based on media content processing and delivery
Aspects of the subject disclosure may include, for example, generating metadata associated with a second portion of the first media content, and providing the first media content and the metadata to a media processor that presents the first portion of the first media content. The media processor identifies a media content type associated with the second portion of the first media content according to the metadata. Additional embodiments can include providing the second media content to the media processor. The media processor terminates presentation of the first media content prior to presentation of the second portion of the first media content and presents the second media content during a broadcast of the second portion of the first media content. Further, the media processor terminates presentation of the second media content, and presents the third portion of the first media content from the first broadcast channel. Other embodiments are disclosed.
US11375275B2 Method and system for using lip sequences to control operations of a device
A smart control system may determine whether a user is engaged with an electronic device, capture a lip sequence of the user for a period of time in response to determining that user is engaged with the electronic device, generate reduce sequence based on the captured lip sequence, determining an application with which the user is engaged, determine a current operating state of the application with which the user is engaged, determine commands that are applicable to the current operating state of the application, and determine whether the generated reduction sequence matches a comparison sequence associated with one of the determined commands. The smart control system may send a command associated with a matching comparison sequence to the application/electronic device in response to determining that the generated reduction sequence matches a comparison sequence associated with one of the determined commands.
US11375274B2 Methods and apparatus to increase a match rate for media identification
Methods and apparatus are disclosed herein that increase a match rate for over-the-top media. An example apparatus includes an audience measurement interface to receive a first signature of media monitored by a panelist meter and a media element analyzer to compare the first signature to a reference signature stored in a reference database, in response to the first signature not matching the reference signature, compare the first signature to a preliminary signature stored in a preliminary database, determine a number of hits associated with a media element based on the second comparison, and when the number of hits meets a threshold, generate a second signature of the media element, the second signature having a greater duration than the preliminary signature, wherein the second signature is an expanded version of the preliminary signature.
US11375266B2 Smart television interaction method, storage medium, and smart television
The disclosure discloses a smart television interaction method, a storage medium, and smart television. The method comprises: when smart television receives a screen projection request, a Bluetooth connection being established with a mobile terminal corresponding to the screen projection request according to the screen projection request and screen projection being performed; and receiving a control instruction for controlling the mobile terminal, and broadcasting the control instruction through the Bluetooth to enable the mobile terminal to execute the control instruction. According to the disclosure, when the smart television establishes a screen projection connection with the mobile terminal, a Bluetooth connection is established with the mobile terminal, and the control power of the mobile terminal is acquired through the Bluetooth so as to control the mobile terminal so that the dependence on the mobile terminal is avoided and the trouble of using the mobile terminal for a long time is solved.
US11375263B2 Image capturing apparatus, image display system, and operation method
An image capturing apparatus is provided that is configured to generate an operation screen relating to an image stored in a storage unit, output the generated operation screen to a display apparatus, acquire attitude information relating to an attitude of the image capturing apparatus, converting the acquired attitude information into position information relating to a position of a position display component on the operation screen and display the position display component on the operation screen based on the converted position information, accept an initialization operation of initializing the position of the position display component, and display the position display component at an initial position of the operation screen in response to accepting the initialization operation.
US11375262B2 Main image processing apparatus, sub image processing apparatus and control method thereof
Disclosed are a main image processing apparatus, a sub image processing apparatus and a control method thereof. The control method of the sub image processing apparatus includes receiving a user's touch input through the sub image processing apparatus; determining which contents correspond to a touched area where the touch input occurs; sensing change in location of the touch input; and transmitting a control command for the contents to the main image processing apparatus in response to the sensed change in the location of the touch input. With this, it is more convenient for a user to control the main image processing apparatus through the sub image processing apparatus supporting the touch input.
US11375260B2 Screen saver based messaging
Implementations generally relate to a message system. In some implementations, a method includes detecting activation of a screen saver that is displayed on a user interface associated with a television platform. The method further includes determining one or more messages to be displayed on the user interface in response to the detecting of the activation of the screen saver. The method further includes displaying the one or more messages on the user interface based on one or more predetermined policies. The method further includes removing the one or more messages from the user interface based on the one or more predetermined policies.
US11375259B2 Video creation at scale
In one embodiment, a method includes identifying a particular item of interest of a user; determining a grouping of a number of items that are similar to the particular item; automatically creating a new video by combining the particular item and the respective number of grouped items that are similar to the particular item in accordance with a video-creation template; and providing the created video for display on a client device of the user.
US11375257B2 System and method for smooth transition of live and replay program guide displays
In general, certain embodiments of the present disclosure provide methods and/or systems for implementing a program guide, which comprises sending a first request and receiving a first response associated with a current or future program guide information. The current or future program guide information includes a first plurality of channel identifiers and a plurality of time slots that correspond to current or future time slots, and is displayed at a client device. A second request is sent, which indicates a requested time period that has already occurred and not displayed on the client device, and corresponds to navigation to a previous time slot. A second response is received, which is associated with past program guide information. The past program guide information includes a second plurality of channel identifiers and on-demand program information, and is displayed at the client device.
US11375249B2 System and method for controlling data stream modifications
In some embodiments, there is provided a system for remotely processing data streams including: at least one transmitter configured for transmission of at least two data streams, the at least two data streams including at least a lower quality preview stream and a higher quality content stream. A plurality of editor computing devices is configured for receiving at least the lower quality preview stream and facilitating processing and editing on the lower quality preview stream, generating a set of machine-readable instructions representative of the processing and editing. A plurality of routing computing devices located from the at least one transmitter is configured for receiving at least the higher quality content stream and the set of machine-readable instructions, processing the higher quality content stream by encoding the higher quality content stream based on the set of machine-readable instructions to generate an output content stream.
US11375248B2 Publishing disparate live media output streams in mixed mode based on user selection
Disparate live output stream manifests are generated based on user selection. When current media programming content in an existing first disparate live media output stream is streamed on a media player, one or more processors determine a set of alternate live input streams and/or a pre-encoded media assets, and associated alternate live media output manifests and/or pre-encoded media asset manifests, respectively, based on one or more parameters and metadata associated with the existing first disparate live media output stream. Based on an indicator in an existing first disparate live media output stream manifest, alternate content options are transmitted to the media player. A response is received corresponding to a selection of an alternate live input stream and/or a pre-encoded media asset, and an alternate live input stream manifest and/or pre-encoded media asset manifest is inserted into the existing first disparate live media output stream manifest as next programming media content.
US11375245B2 Live video streaming based on an environment-related trigger
In certain embodiments, streaming of a live video to trigger-associated recipients in response to triggers in an environment may be facilitated. In some embodiments, one or more triggers may be detected in an environment, and one or more actions associated with the detected triggers may be performed. As an example, where such associated actions include streaming a live video of the environment to one or more recipients, the recipients may be selected as candidates to receive the live video stream based on the recipients being part of a recipient list associated with a detected trigger. In some embodiments, although a first recipient of the recipient list may initially be selected to receive the live video stream, the live video may be streamed to a second recipient of the recipient list based on the first recipient being unavailable to receive the live video stream.
US11375241B2 Frequency specific compression and compensation technique in image processing
The present disclosure relates to a method for compensating an image. The method comprises estimating transform coefficients of a frequency component for a first image based on the first image, performing a dot multiplication operation between the estimated transform coefficients and a basis function associated with the frequency component to generate a compensation image, and combining the first image and the compensation image to generate a combined image.
US11375239B2 Signaling of chroma and luma syntax elements in video coding
Devices, systems and methods related to management of syntax flags with respect chroma formats in video processing are described. In one representative aspect, a video decoding method includes determining, based on a chroma format of a video comprising a region, whether one or more syntax flags applicable to the region of the video are absent in a syntax structure of a coded representation of the video. The one or more syntax flags are indicative of usage of a luma-dependent chroma residue scaling coding step for representing the region in the coded representation. The luma-dependent chroma residue scaling coding step comprises a scaling process in which a scaling coefficient is derived based on reconstructed luma samples and the scaling process is applied to a chroma residue. The method also includes generating one or more decoded video blocks of the video region by parsing the coded representation according to the determining.
US11375234B2 Method and apparatus for decoding video signal
A method and apparatus for decoding a video signal are disclosed. A method for decoding a video signal includes obtaining block type information of a current block, confirming a prediction mode of the current block based on the block type information, obtaining, if the prediction mode of the current block is an intra prediction mode according to the prediction mode, at least one correlation parameter information using at least one neighboring pixel of the current block, obtaining an intra prediction value of the current block using the correlation parameter information, and reconstructing the current block using the intra prediction value of the current block.
US11375233B2 Method for partitioning block and decoding device
Disclosed are a method for partitioning a block and a decoding device. A method for decoding an image comprises the steps of: partitioning one prediction unit, in which an intra prediction is performed in a predetermined intra prediction mode, into a plurality of transform units; and performing the intra prediction for each of the plurality of the transform units on the basis of the predetermined intra prediction mode. Thus, the invention increases the image encoding efficiency.
US11375232B2 Sub picture signaling in video coding
Methods, apparatus and systems for video bitstream generation and parsing are described. One example method of video bitstream processing includes parsing a header at a video unit level in a video bitstream for a first field indicative of whether the video unit includes multiple network abstraction layer bit units having multiple types, parsing, due to determining that the video unit includes multiple network abstraction layer bit units having multiple types, a second field in the header indicative of whether the video unit comprises an intra random access point, and decoding, based on the first field and the second field, the video bitstream to generate a video.
US11375230B2 Systems and methods for deriving a motion vector prediction in video coding
A method of performing motion vector prediction for coding video data is disclosed. A full precision motion vector mv is determined for generating a prediction for video block in a first picture. A rounded motion vector rmv having a less precision than the full precision motion vector mv is stored. A motion vector predictor candidate is generated for a video block in a second picture from the stored motion vector.
US11375229B2 Method, device, and computer program for optimizing transmission of motion vector related information when transmitting a video stream from an encoder to a decoder
The invention relates to the encoding or decoding of at least one portion of an image by predicting the at least one portion using at least one predictor, the at least one predictor being determined as a function of at least one reference image portion and as a function of values of a plurality of items of motion information. After having obtained a value of a first item of the plurality of items, a value of a second item is evaluated as a function of the obtained value of the first item, the second item being an item of the plurality of items and being distinct from the first item. Next, the at least one predictor is determined as a function of the at least one reference image portion and as a function of the first and second items.
US11375223B2 Method for signaling output layer set with sub-picture
A method, computer program, and computer system is provided for signaling output layer sets in a coded video stream. Video data having multiple layers is received. One or more syntax elements are identified. The syntax elements specify one or more output layer sets corresponding to output layers from among the multiple layers of the received video data. The one or more output layers corresponding to the specified output layer sets are decoded and displayed.
US11375222B2 Method and device for video encoding and decoding with interpolation filter flag being consistent with MMVD distances
A method for video decoding includes: receiving an encoded block of video data for a current block; receiving signaling information associated with the current block, the signaling information indicating that a merge-with-motion-vector-difference (MMVD) mode is used in encoding the current block; performing a conformation reconfiguration to cause an alternative half-sample interpolation filter flag to be consistent with one or more distance values of an MMVD candidate, the conformation reconfiguration including reconfiguration of one or more of: the alternative half-sample interpolation filter flag, or the one or more distance values of the MMVD candidate; and reconstructing the current block according to the encoded block and the alternative half-sample interpolation filter flag.
US11375216B2 Transcoding apparatus, transcoding method, and transcoding program
In a transcoding apparatus structured to transcode one bitstream to a plurality of bitstreams, a decoder decodes a first bitstream and outputs a first decoded picture. A first re-encoder re-encodes the first decoded picture on the basis of the first bitstream to generate a second bitstream having a smaller bit rate than the first bitstream.
US11375213B2 Method of efficient signalling of CBF flags
A method of coding implemented by a decoding device or encoding device, the method comprising obtaining a bitstream, the bitstream comprises a transform unit syntax; the syntax comprises at least two cbf flags for chroma blocks (in an example, transform unit syntax correspond to either transform unit or sub-transform units which include two chroma cbf flags: tu_cbf_cb and tu_cbf_cb—one flag for each chroma plane), a chroma cbf flag specifies whether certain block has residue in correspondent color plane; deriving a value of a luma cbf flag tu_cbf_luma based on one or any combination of a value of a cu_cbf flag, values of two chroma cbf flags corresponding to a current transform unit or sub-transform unit, location of the sub-transform unit within transform unit, values of luma and chroma cbf flags correspondent to previous sub-transform units in the current transform unit.
US11375210B2 Encoding method, decoding method, encoding apparatus, and decoding apparatus
An image encoding method including: a constraint information generating step of generating tile constraint information indicating whether or not there is a constraint in filtering on boundaries between adjacent tiles among a plurality of tiles obtained by dividing a picture, and storing the tile constraint information into a sequence parameter set; and a filter information generating step of generating, for each of the boundaries, one of a plurality of filter information items respectively indicating whether or not filtering is executed on the boundaries, and storing the plurality of filter information items into a plurality of picture parameter sets, wherein, in the filter information generating step, the plurality of filter information items which indicate identical content are generated when the tile constraint information indicates that there is the constraint in the filtering.
US11375206B2 Method and device for intra prediction
A method for decoding an image according to the present invention comprises the steps of: receiving and decoding MPM index information for indicating an MPM candidate which is to be used as an intra prediction mode of a current block; generating an MPM candidate list containing a plurality of MPM candidates for the current block; determining the MPM candidate indicated by the decoded MPM index information as the intra prediction mode of the current block, among the plurality of the MPM candidates which constitute the MPM candidate list; and generating a prediction block corresponding to the current block by performing intra prediction for the current block based on the determined intra prediction mode.
US11375205B2 Intra-frame prediction and decoding methods and apparatuses for image signal
An intra-frame decoding method includes obtaining, from a video code stream, prediction mode information of a first signal component of a current block, determining a prediction mode of the first signal component of the current block from a prediction mode set of the first signal component of the current block according to the prediction mode information of the first signal component of the current block, where the prediction mode set of the first signal component of the current block includes at least one of a linear model above (LMA) mode and a linear model left (LML) mode, obtaining a predicted value of a first signal component sampling point of the current block, and obtaining a reconstructed value of the first signal component sampling point of the current block according to the predicted value of the first signal component sampling point of the current block.
US11375203B2 Video processing method, system, device and computer-readable storage medium
Techniques for processing videos are described herein. The disclosed techniques include obtaining coding time parameters of coded frames of a video, the coding time parameters comprising a first parameter indicative of a coding time period for coding each frame under a non-waiting state and a second parameter indicative of a total time period during which each frame is in a coding process; and determining a coding complexity parameter for a frame to be coded based on the coding time parameters, wherein the determining a coding complexity parameter further comprises determining whether the coding complexity parameter is downgraded based on the second parameter, and in response to a determination that the coding complexity parameter is not downgraded, determining that the coding complexity parameter is upgraded based on the first parameter.
US11375202B2 Translational and affine candidates in a unified list
At least a method and an apparatus are presented for efficiently encoding or decoding video. For example, one or more prediction models are determined respectively for one or more prediction candidates used for the video encoding based on one or more control point motion vectors of a current block of the video being encoded or decoded. It is determined from the one or more control point motion vectors that a first prediction model of the one or more prediction models may be a translational prediction model. It is also determined from the one or more control point motion vectors that a second prediction model of the one or more prediction models is to be an affine prediction model. The video is encoded or decoded based on a candidate list comprising the one or more prediction candidates determined respectively from the one or more prediction models.
US11375201B2 Mode dependent motion vector difference precision set
A method of processing a video bitstream includes determining a motion precision set based on coding information of a current block. A conversion between a video block and a coded representation of the video block is performed based on the motion precision set. The conversion corresponds to a reconstruction of the current block. In some example aspects, a motion vector difference (MVD) precision of a current block from a motion precision set is determined based on a selected motion precision set and a MVD precision index. A conversion between a video block and a coded representation of the video block using an MVD is performed based on the MVD precision. The MVD represents a difference between a predicted motion vector and an actual motion vector used during motion compensation processing.
US11375199B2 Interpolation filter for an inter prediction apparatus and method for video coding
The disclosure relates to an apparatus and method for inter prediction of a sample value of a current full-integer pixel of a plurality of pixels of a current block of a current frame of a video signal. The apparatus comprises a processing unit configured to: determine a motion vector of the current full-integer pixel on the basis of the current frame and a reference frame of the video signal and/or on the basis of a motion compensation model; determine for the current full-integer pixel a corresponding sub-integer pixel in the reference frame on the basis of the motion vector of the current full-integer pixel; generate on the basis of a predefined set of filter support pixels in the current frame a set of corresponding filter support pixels in the reference frame, wherein the predefined set of filter support pixels in the current frame comprises one or more neighboring full-integer and/or sub-integer pixels of the current full-integer pixel; determine a respective sample value of the corresponding sub-integer pixel of the current full-integer pixel and the corresponding filter support pixels in the reference frame; and determine the inter predicted sample value of the current pixel in the current frame by applying a spatial high-pass filter to the sample value of the corresponding sub-integer pixel of the current full-integer pixel in the reference frame and to the sample values of the corresponding filter support pixels in the reference frame.
US11375196B2 Method of context modeling for entropy coding of transform coefficient flags with transform skip, and coding method with the same
A versatile video coning method is provided for an electronic device. The method includes obtaining a video signal; partitioning the video signal into a plurality of coding blocks; generating a residual coding block from each coding block with or without transformation and quantization; splitting the residual coding block into a plurality of sub-blocks and each sub-block into a plurality of pixels; entropy coding a residual symbol level at each pixel in the residual coding block; and outputting a bitstream including entropy coded residual symbol levels. Entropy coding the residual symbol level at each pixel in the residual coding block includes context modeling of the residual symbol level of the pixel in a transform skip mode based on context information of at least three neighboring pixels of the pixel including a first pixel on the left, a second pixel on the above, and a third pixel on the left-above diagonal.
US11375194B2 Conditional entropy coding for efficient video compression
Systems and method for video compression using conditional entropy coding. An ordered sequence of image frames can be transformed to produce an entropy coding for each image frame. Each of the entropy codings provide a compressed form of image information based on a prior image frame and a current image frame (the current image frame occurring after the prior image frame). In this manner, the compression model can capture temporal relationships between image frames or encoded representations of the image frames using a conditional entropy encoder trained to approximate the joint entropy between frames in the image frame sequence.
US11375191B2 Method and apparatus for adaptive transform in video encoding and decoding
For a picture with two or more color components, the prediction residuals for the first color component of a block to be encoded may be transformed with a first transform. The transform coefficients for the first color component may go through quantization, de-quantization and inverse transform to obtain reconstructed prediction residuals. Based on the reconstructed prediction residuals for the first color component, the phases of the transform basis function of the first transform can be adjusted to improve the sparsity of the transformed signal. The prediction residuals for the remaining color components may then be transformed with the adjusted transform. In order to determine the phase shift factor, the reconstructed prediction residuals for the first color component may be transformed with the first transform, adjusted by different candidate phase shift factors, and the candidate phase shift factor that provides a smallest sparsity measure can be selected for the block.
US11375190B2 Method and system for constraining tile processing overhead in video coding
A method for encoding a picture of a video sequence in a bit stream that constrains tile processing overhead is provided. The method includes computing a maximum tile rate for the video sequence, computing a maximum number of tiles for the picture based on the maximum tile rate, and encoding the picture wherein a number of tiles used to encode the picture is enforced to be no more than the maximum number of tiles.
US11375187B2 Apparatus and method for filtering in video coding with look-up table selected based on bitstream information
A filter is configured for processing a reconstructed frame for generation of a filtered reconstructed frame, and wherein the reconstructed frame comprises a plurality of pixels. The filter includes one or more processor configured to scan a current pixel of the reconstructed block and its neighboring pixels of the current pixel according to a predefined scan template, obtain spectrum components by performing transform for the current pixel and its neighboring pixels, obtain filtered spectrum components based on a filtering parameter and the spectrum components, obtain filtered pixels by performing inverse transform for the filtered spectrum components, and generate a filtered reconstructed block based on the filtered pixels.
US11375185B2 Image encoding/decoding method and device, and recording medium having bitstream stored therein
An image encoding/decoding method and apparatus for performing representative sample-based intra prediction are provided. An image decoding method may comprise deriving an intra prediction mode of a current block, configuring a reference sample of the current block, and performing intra prediction for the current block based on the intra prediction mode and the reference sample, wherein the intra prediction is representative sample-based prediction.
US11375181B2 Camera module test apparatus, camera module test method and image generating device
A camera module test apparatus having improved performance include a coefficient data extractor that accommodates a camera module; and a test apparatus that accommodates the camera module and tests the camera module. The coefficient data extractor includes a coefficient generator that receives an image signal output from the camera module, and generates coefficient data of a ratio of a first color image signal and a second color image signal included in the image signal; and a memory device that stores the generated coefficient data. The test apparatus includes an image generator that receives an image signal from the camera module and coefficient data from the memory device, and generates a converted pattern image signal based on the image signal and the coefficient data; and a calibration data generator that generates calibration data of the converted pattern image signal.
US11375180B2 Video engine for generating an enhanced impression of depth based upon two-dimensioned video content
A method and an apparatus for generating a pair of images consisting of a dominant image to be displayed to a dominant eye and a nondominant image to be displayed to a nondominant eye causes a user to perceive a three-dimensioned image. The apparatus is configured to perform the method initiated by receiving the dominant image in a dominant image buffer. A skewing engine performs a skewing transformation; a rotating engine performs a rotating transformation; and a translating engine performs a translating and scaling transformation thereby to produce the nondominant image for storage in the nondominant image buffer.
US11375175B2 Multi-processor support for array imagers
Using the techniques discussed herein, a set of images is captured by one or more array imagers (106). Each array imager includes multiple imagers configured in various manners. Each array imager captures multiple images of substantially a same scene at substantially a same time. The images captured by each array image are encoded by multiple processors (112, 114). Each processor can encode sets of images captured by a different array imager, or each processor can encode different sets of images captured by the same array imager. The encoding of the images is performed using various image-compression techniques so that the information that results from the encoding is smaller, in terms of storage size, than the uncompressed images.
US11375171B2 System and method for preloading multi-view video
The present invention relates to a system and a method of preloading a multi-view video. According to an embodiment of the present invention, load of a system is reduced and client's Quality of Experience (QoE) is maximized. In addition, the sense of direction, distance, and space for virtual reality are felt in the same manner as those for the real environment, so that a virtual reality service is provided realistically, thereby further improving immersion and interest in the virtual reality service.
US11375170B2 Methods, systems, and media for rendering immersive video content with foveated meshes
Methods, systems, and media for rendering immersive video content with foveated meshes are provided. In some embodiments, the method comprises: receiving a video content item; determining, using a hardware processor, whether the video content item meets at least one criterion; in response to determining that the video content item meets the at least one criterion, generating, using the hardware processor, a foveated mesh in accordance with a foveation ratio parameter on which frames of the video content item are to be projected, wherein the foveated mesh has a non-uniform position map that increases pixel density in a central portion of each frame of the video content item in comparison with peripheral portions of each frame of the video content item; and storing the video content item in a file format that includes the generated foveated mesh, wherein the immersive video content is rendered by applying the video content item as a texture to the generated foveated mesh.
US11375169B2 Video conference panoramic image spreading method
A video conference panoramic image spreading method is provided, in which an image capturing (acquiring) step is applied by using at least one panoramic camera to capture at least one video conference panoramic picture or image and a bodily human features recognition step is applied to achieve bodily human features recognition for recognizing each of conferee photographed subjects in the video conference panoramic picture or image, and then, based on the result of bodily human features recognition, steps of searching out a dividing point for a two-dimensional (2D) spread picture, image cutting and two-dimensional picture spreading, and stitching are carried out so as to avoid, in a real-time manner, conflicts of cutting of a human body in the conference panoramic picture or image based on the dividing point for two-dimensional spreading and correct the dividing point, for acquiring a two-dimensional panoramic picture that instantaneously reflects and completely and correctly corresponds to a primitive video conference panoramic picture.
US11375167B2 Image processing apparatus and observation system
An image processing apparatus includes a processor including hardware. The processor is configured to: execute a first white balance adjustment on a first signal corresponding to multiple wavelength bands; generate a luminance signal from a second signal including an area having saturation caused by the first white balance adjustment; extract a detail component based on the first signal; and apply the detail component to the luminance signal to generate a corrected luminance signal.
US11375164B2 Method for monitoring occupancy in a work area
One variation of a method for monitoring occupancy in a work area includes, at a sensor block: transitioning from an inactive state into an active state when an output of a motion sensor indicates motion in a work area; during a scan cycle in the active state, recording an image through an optical sensor at a time, detecting a set of humans in the image, detecting a second set of human effects in the image, predicting a second set of humans occupying but absent the work area based on the second set of human effects, and estimating a total occupancy in the work area at the time based on the set of humans and the second set of humans; and transmitting the total occupancy to a remote computer system for update of a scheduler for the work area.
US11375159B2 Video management system and method for dynamic displaying of video streams
A video management system for displaying video streams from a plurality of monitoring devices arranged in a network in a video display arrangement. Each monitoring device constitutes a node in the network and has a logical connection to at least one other node. The video management system is configured to: in response to a first input, zoom out from a first subset of views from a first monitoring device or a first group of monitoring devices to a second subset of views, by adding views from a predetermined number of monitoring devices having a direct logical connection to the first monitoring device or the group of monitoring devices, to the video display arrangement, thereby increasing a neighbor monitoring level by one; and in response to a second input, zoom in from the second subset of views thereby decreasing the neighbor monitoring level by one.
US11375158B1 Systems and methods for sharing content across videoconferencing sub-meetings
One example system for sharing content across videoconferencing sub-meetings includes a processor and at least one memory device. The memory device includes instructions that are executable by the processor to cause the processor to establish a videoconferencing session including a main meeting and a first sub-meeting, receive, from a presenter, a content to be displayed in the main meeting, and cause the content to be displayed in the main meeting. The memory device further includes instructions that are executable by the processor to cause the processor to receive, from a first participant in the videoconferencing session, an indication that the content is to be displayed in the first sub-meeting, and cause the content to be displayed in the first sub-meeting simultaneously with the content in the main meeting.
US11375155B2 Intercom system and station
A second intercom station when activated activates camera means to take a picture of a user and sends the picture to a first intercom station in an MMS and automatically and substantially simultaneously attempts to connect via a voice call to the first intercom station. The first intercom station displays the picture and substantially simultaneously receives the voice call connection attempt from the second intercom station when the MMS is received. The first intercom station comprises means to reject or accept the voice call. If the voice call is accepted then two-way voice communication between the first and second station is enabled, and if the voice call is rejected then two-way voice communication between the first and second station is not enabled.
US11375154B2 Method and apparatus for processing high dynamic range video including subtitle
A method and an apparatus for processing a high dynamic range (HDR) video including a subtitle, where the method includes: encapsulating HDR video data into a video data frame that matches a transmission interface; encapsulating subtitle information into a subtitle information frame that matches the transmission interface; and separately transmitting the video data frame and the subtitle information frame to a display device through the transmission interface, where the video data frame and the subtitle information frame are packets in two types of formats. According to the method provided in this application, content and subtitle information of a dynamic metadata HDR video are separately transmitted to the display device. In this way, the display device can obtain the separated video content and subtitle information, and then separately perform corresponding processing on the HDR video and a subtitle.
US11375152B2 Video frame interpolation apparatus and method
Embodiments of this disclosure provide a video frame interpolation apparatus and method. The method includes calculating a bidirectional optical flow between a first frame and a second frame; an performing kernel and weight estimation according to the first frame and the second frame. An adaptive local convolutional kernel is generated by using a convolutional layer and a weight coefficient is generated by using another convolutional layer. A conversion on the first frame and the second frame is performed by using an adaptive conversion layer according to the bidirectional optical flow, the weight coefficient and the adaptive local convolutional kernel, so as to generate a conversion frame. A frame synthesis on the first frame, the second frame and the conversion frame is performed to generate an interpolation frame between the first frame and the second frame.
US11375147B2 Image capturing element, drive method, and electronic device having improved operation mode switching
The present disclosure relates to an image capturing element, a drive method, and an electronic device capable of speeding up operation mode switching. The image capturing element includes a pixel region in which a plurality of pixels is disposed in a matrix of rows and columns, and a vertical drive circuit that drives the pixels on each row. The vertical drive circuit includes a positive power source and a negative power source that supply electrical power to an output element that outputs a drive signal for driving each pixel, and a control element that controls current flowing between each wire through which electrical power is output from the positive power source or the negative power source and a ground level based on a pulse having a predetermined pulse width at operation mode switching. The present technology is applicable to an image capturing element having a plurality of operation modes.
US11375145B2 Solid-state imaging device, method for driving solid-state imaging device, and electronic apparatus
In a solid-state imaging device 10, a signal retaining part 212 is provided with a first sampling part 2122 and a second sampling part 2123, each of which is formed by one sampling transistor (1T) and one sampling capacitor (1C). The coupling node between the two sampling parts is a retaining node ND23, which is used as a bidirectional port. With such a configuration, the solid-state imaging device 10 is configured as a solid-state imaging element having a global shutter function that achieves substantially the same signal amplitude as in the differential reading scheme with four transistors. Thus, the solid-state imaging device 10 can achieve the reduced increase in number of transistors, prevent the occurrence of signal amplitude loss in the sampling parts, maintain high pixel sensitivity and reduce input conversion noise.
US11375144B2 Method and system for reducing thermal shading in image sensor using on chip localized heat source
A method for reducing thermal shading in a complementary metal-oxide-semiconductor (CMOS) image sensor is provided. The method includes: detecting one or more regions in a CMOS image sensor in which thermal shading occurs, the CMOS image sensor including a plurality of heating elements in a chip; automatically switching a subset of the plurality of heating elements to turn on based on the detected one or more regions; and automatically switching the subset of the plurality of heating elements to turn off in an active power consumption phase of the CMOS image sensor.
US11375138B1 Combining video streams having different information-bearing levels
A method includes recording a first video stream characterized by a first value of a first quality characteristic. The method includes determining that the first video stream satisfies a trigger criterion. The trigger criterion characterizes a threshold amount of video content change information. The method includes, in response to determining that the first video stream satisfies the trigger criterion, obtaining a second video stream characterized by a second value of a second quality characteristic. The second video stream includes scene information also included in the first video stream. The second value of the second quality characteristic is indicative of a higher quality video stream than the first value of the first quality characteristic. The method includes generating a third video stream by adding information from the second video stream to the first video stream. The third video stream corresponds to a higher quality version of the first video stream.
US11375136B2 Imaging device for high-speed read out, method of driving the same, and electronic instrument
The present technology relates to an imaging device, a method of driving the same, and an electronic instrument capable of improving functions by using high-speed readout in a period shorter than the output cycle of an image. An imaging device includes a pixel array unit in which pixels are arranged in a matrix, and a control unit that controls image readout by the pixel array unit. The control unit causes the pixel array unit to perform image readout twice or more within a cycle of outputting one image to the outside. The present technology can be applied to an imaging device or the like including a memory area, for example.
US11375135B2 Real-time HDR video for vehicle control
The invention provides an autonomous vehicle with a video camera that merges images taken a different light levels by replacing saturated parts of an image with corresponding parts of a lower-light image to stream a video with a dynamic range that extends to include very low-light and very intensely lit parts of a scene. The high dynamic range (HDR) camera streams the HDR video to a HDR system in real time—as the vehicle operates. As pixel values are provided by the camera's image sensors, those values are streamed directly through a pipeline processing operation and on to the HDR system without any requirement to wait and collect entire images, or frames, before using the video information.
US11375133B2 Automatic exposure module for an image acquisition system
A method for automatically determining exposure settings for an image acquisition system comprises maintaining a plurality of look-up tables, each look-up table being associated with a corresponding light condition and storing image exposure settings associated with corresponding distance values between a subject and the image acquisition system. An image of a subject is acquired from a camera module; and a light condition occurring during the acquisition is determined based on the acquired image. A distance between the subject and the camera module during the acquisition is calculated. The method then determines whether a correction of the image exposure settings for the camera module is required based on the calculated distance and the determined light condition; and responsive to correction being required: selects image exposure settings corresponding to the calculated distance from the look-up table corresponding to the determined light condition; and acquires a new image using the selected image exposure settings.
US11375128B2 Method for obtaining exposure compensation values of high dynamic range image, terminal device and non-transitory computer-readable storage medium
A method and device for obtaining exposure compensation values of a high-dynamic-range image, wherein the method includes: a relationship between brightness values and pixel ratios in different color channels corresponding to a current scene is determined; an underexposure degree and an overexposure degree of the current scene are determining, according to a preset normal exposure brightness threshold, a preset pixel ratio threshold, and the relationship between brightness values and pixel ratios; and an underexposure compensation value and an overexposure compensation value of the current scene are determined, according to the underexposure degree and the overexposure degree of the current scene.
US11375127B2 Image-capturing device, image capturing method, image-capturing system, and electronic device
An image-capturing device includes an image-capturing optical system; an image sensor; and processing circuitry configured to: control the image-capturing optical system to capture one or more preliminary images of an object to be tracked; analyze the one or more preliminary images; calculate tracking-control information using results of the analysis; and adjust at least one of the image-capturing optical system and the image sensor with movement of the object, in accordance with the tracking-control information to capture an image of the object that is being tracked.
US11375123B2 Image processing apparatus, image capturing apparatus, control method for image processing apparatus, and program storage medium with coordinated display of image and display of distribution information of evaluation value
A control unit provided in a digital camera acquires an image and a focus map serving as distribution information of an evaluation value corresponding to the image, and outputs the acquired image or the acquired focus map. When an operation that providing instructions for the magnification of magnification display of the image or the focus map is performed, the control unit executes output control to coordinate the display of the image and the display of the focus map with each other, in response to the above operation.
US11375122B2 Digital image capture session and metadata association
Digital image capture session and metadata association techniques are described. In one example, a user input is received to initiate an image capture session. At least one digital image is captured using a digital camera during the image capture session. Audio input data is also collected using an audio input device during the image capture session and is converted into text data, e.g., speech-to-text. Metadata is generated based on the text data and associated with the at least one digital image. The at least one digital image is output as having the associated metadata as completion of the image capture session.
US11375120B2 Method and device for assisting capturing of an image
A method is disclosed for capturing an image using an electronic device having a camera. The method comprises starting the camera in response to a first user input, displaying a first preview interface including a first preview image captured by a default lens of the camera, displaying a second preview interface in response to a second user input for increasing a zooming ratio in the first preview frame and when the zooming ratio in the first preview interface is greater than or equal to a threshold value, the second preview interface including a first frame and a second frame, and adjusting a zoom ratio of the second preview image in the second frame in response to a third user input for changing the zoom ratio.
US11375119B2 Calibrating sensors mounted on an autonomous vehicle
A system calibrates one or more sensors mounted to an autonomous vehicle. From the one or more sensors, the system identifies a primary sensor and a secondary sensor. The system determines a reference angle for the primary sensor, and based on that reference angle for the primary sensor, a scan-start time representing a start of a scan and a scan-end time representing an end of a scan. The system receives, from the primary sensor, a primary set of scan data recorded from the scan-start time to the scan-end time. The system receives, from the secondary sensor, a secondary set of sensor data recorded from the scan-start time to the scan-end time. The system calibrates the primary and secondary sensors by determining a relative transform for transforming points between the first set of scan data and the second set of scan data.
US11375114B2 Control device and observation system
A control device includes a processor configured to: perform movie display control of causing a display to sequentially display images acquired in time series, and still image display control of causing the display to display any of the images as a still image; detect a first operation on a switch; determine whether a predetermined operation condition for the switch is satisfied, after the first operation has been detected; switch, when the first operation is detected while the movie display control is being executed, from the movie display control to the still image display control and causing the display to display, as a still image, an image displayed at a timing at which the first operation is detected; and cause, when the processor determines that the predetermined operation condition is satisfied, a memory to store the image displayed as a still image under the still image display control.
US11375102B2 Detection of image data of a moving object
A camera for detecting an object moved through a detection zone is provided that has an image sensor for recording image data, a reception optics having a focus adjustment unit for setting a focal position, a distance sensor for measuring a distance value from the object, and a control and evaluation unit connected to the distance sensor and the focus adjustment unit to set a focal position in dependence on the distance value, and to trigger a recording of image data at a focal position at which there is a focus deviation from a focal position that is ideal in accordance with the measured distance value, with the focus deviation remaining small enough for a required image definition of the image data.
US11375101B2 Image capturing apparatus, control method thereof, and storage medium
An image capturing apparatus capable of focus detection includes a sensor including a plurality of pixels, the sensor being capable of changing an accumulation time of the pixels for each of a plurality of regions including the plurality of pixels, an accumulation control unit that, in accordance with a state or a setting of the image capturing apparatus, changes accumulation control of the pixels for each of the plurality of regions, and a defocus computation unit that calculates a defocus amount using signals from the pixels for which accumulation has been controlled by the accumulation control unit.
US11375099B2 Camera body for receiving first and second image plane transfer coefficients
A lens barrel of the invention includes: an imaging optical system including a focus adjustment lens; a driver that drives the focus adjustment lens in a direction of an optical axis; a transceiver that transmits and receives a signal to and from a camera body; and a controller that controls the transceiver to repeatedly transmit a first image plane transfer coefficient which is determined in correspondence with a position of the focus adjustment lens included in the imaging optical system and a second image plane transfer coefficient which does not depend on the position of the focus adjustment lens to the camera body at a predetermined interval, and, when the controller repeatedly transmits the second image plane transfer coefficient to the camera body, the controller varies the second image plane transfer coefficient over time.
US11375095B1 Image capturing device
An image capturing device is provided. The image capturing device includes a base, a cable, a restriction bushing and a sealing material. The base includes a base through hole and a base inner surface, wherein the base through hole is formed on the base inner surface. The cable passes through the base through hole. The restriction bushing surrounds the cable, wherein the restriction bushing abuts the base inner surface, and is connected to the base through hole. The sealing material is disposed in the base and covers the restriction bushing, wherein at least a portion of the cable is covered by the sealing material.
US11375087B1 Camera systems for scopes
A camera system for mounting to a scope can include a camera portion and a mounting system rotationally coupled to the camera portion. The mounting system can include a first securing portion having a first securing member, where the first securing member is configured to abut against a first portion of an eyepiece of the scope. The mounting system can also include a second securing portion having a second securing member, where the second securing member is configured to abut against a second portion of the eyepiece of the scope. The mounting system can further include an adjustment mechanism that simultaneously moves the first securing portion and the second securing portion in opposing directions relative to each other.
US11375082B2 Printing system, method of generating halftone processing rule, method of acquiring characteristic parameter, image processing device, image processing method, halftone processing rule, halftone image, method of manufacturing printed material, inkjet printing system, and program
There are provided a printing system, a method of generating a halftone processing rule, a method of acquiring a characteristic parameter, image processing device and method, a halftone processing rule, a halftone image, a method of manufacturing a printed material, an ink jet printing system, and a program which are capable of reducing an operation load of a user and acquiring a halftone processing rule appropriate for the printing system. A characteristic parameter acquisition chart including a pattern for acquiring characteristic parameters related to characteristics of the printing system is output, and the output characteristic parameter acquisition chart is read by image reading means. The characteristic parameters are acquired by analyzing the read image of the characteristic parameter acquisition chart, and halftone processing rules that define the processing contents of halftone processes used in the printing system are generated based on the acquired characteristic parameters.
US11375081B2 Apparatus, method, and storage medium for converting a color image to a monochrome image
An image processing is configured to convert a color of a first object into gray having first brightness and a color of a second object into gray having second brightness lower than the first brightness by a fixed value in response to receiving color data including the first object and the second object, and output gray data based on the first brightness of gray into which the color of the first object is converted and the second brightness of gray into which the color of the second object is converted.
US11375078B2 Optical linear sensor unit
A reflective member is disposed on the optical path from the linear light source to the lens array. An ultraviolet light blocking filter is provided closer to a light-receiving unit than the reflective member. A color filter is provided closer to the light-receiving unit than the ultraviolet light blocking filter. A light-receiving surface of the light-receiving unit has a first region opposed to the reflective member without the ultraviolet light blocking filter and the color filter interposed therebetween, a second region opposed to the reflective member and the ultraviolet light blocking filter without the color filter interposed therebetween, and a third region opposed to the reflective member, the ultraviolet light blocking filter, and the color filter.
US11375073B2 Sheet separation device, laminator, image forming apparatus, and image forming system
A sheet separation device separates a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at a bonding portion of the two-ply sheet. The sheet separation device includes a separator, an abnormality detection device, and circuitry. The separator is configured to move to be inserted into a gap formed between the two sheets of the two-ply sheet. The abnormality detection device is configured to detect an abnormal state in which the gap larger than a predetermined size is not formed between the two sheets before the separator is inserted into the gap. The circuitry is configured to control movement of the separator based on a result detected by the abnormality detection device.
US11375069B2 Image processing apparatus for executing a transmission job, and method thereof
An image forming apparatus which can easily identify a user's erroneous operation, a controlling method of the image forming apparatus, and a program for achieving the controlling method are provided. When an operation by a user to an operation unit is accepted, the image forming apparatus obtains operation information including a key code and a screen identifier, and stores, for each job, the obtained operation information in a storing unit.
US11375068B2 Image forming apparatus having multiple antennas
An image forming apparatus includes an operating unit, including a display portion, for being operated by a user; an image forming unit for forming an image on a sheet; an outer cover provided below the operating unit and constituting at least a part of the outer casing; a first antenna communicatable with a mobile communication terminal, the first antenna portion being provided at a position covered by the outer cover and below the operating unit; a second antenna communicatable with a mobile communication terminal having a communicatable range broader than that of the first antenna, and a target portion provided on the outer cover and functioning as a mark to which the mobile communication terminal is to be approached. The communicatable range of the first antenna portion is within the communicatable range of the second antenna portion.
US11375065B2 Control information for public switched telephone network (PSTN) using blockchain system
Signaling system for public switched telephone network (PSTN) using a blockchain system. In one embodiment, a method is provided. The method includes determining that a phone call related operation between a first telecommunications operator and a second telecommunications operator was requested. A public switched telephone network (PSTN) comprises the first telecommunications operator and the second telecommunications operator. The method also includes updating, by a node of a blockchain system, a distributed ledger to indicate that the phone call related operation between the first telecommunications operator and the second telecommunications operator was requested. The method further includes analyzing the distributed ledger to determine if the phone call related operation was approved. The method further includes executing the phone call related operation in response to determining that the phone call related operation was approved.
US11375059B2 Display method, display device, terminal device, and storage medium
A display method, a display device, a terminal device, and a storage medium are provided. The display method includes: extracting a file attribute of a file to be displayed; automatically setting, according to the file attribute of the file to be displayed, a pixel density of a display screen for displaying the file by searching the pixel density corresponding to the file attribute of the file from a pre-stored pixel density model; and displaying the file according to the pixel density.
US11375058B2 Methods and systems for providing status indicators with an electronic device
An electronic device includes one or more sensors, one or more processors operable with the one or more sensors, and a status indicator configured to indicate whether an authorized user of the electronic device is busy, free, or somewhere in between. The status indicator can operate in at least a first state and a second state that is different from the first state. The first state indicates the authorized user is busy and should not be disturbed, while the second state indicates the authorized user is free. Red light can be emitted in the first state, and green light in the second state. The state of the status indicator can be set manually, such as with a chopping gesture, or automatically, such as from a type of audio signal being received by a communication device of the electronic device.
US11375055B2 Holder assembly for mobile terminal equipment
The disclosure relates to a universal holder assembly for mobile terminal equipment, for both physically holding and supporting same and for electrically recharging said mobile terminal equipment. This is achieved by a holder assembly comprising either a housing designed with a base surface, said housing having an interior designed to hold mobile terminal equipment, or an adapter element designed with a base surface that can be mechanically and physically connected to a mobile device, the inner and outer faces of the base surface being provided with electrical contact means which are designed and arranged such that an electrical connection can be established between mobile terminal equipment that can be positioned against or on the base surface and the contact means designed on the outer face. The outer face of the base surface is also provided with at least two recesses or depressions, each designed to physically receive an engagement means.
US11375049B2 Event-based multiprotocol communication session distribution
To allow the multiple communication endpoints that support different protocols to communicate, a protocol specific message (e.g., a SIP INVITE message) is converted to a protocol neutral message and sent to a protocol neutral bus. The bus delivers this message to a session processing engine, which then applies one or more rules to the protocol neutral request for the first communication session message. The rules are used to apply communication application logic to the first communication session message, then generate a first offer for a communication session message. This message is published to the protocol neutral bus. One or more edge servers supporting one or more protocols may receive that first offer message. The protocol neutral message is converted, by each edge server recipient of that message, to a protocol specific message (e.g., in a different protocol) and is then sent to one or more communication endpoints.
US11375047B2 Data transmission method, apparatus, and system
A method of data transmission includes: receiving a first packet, where the first packet includes first compressed data and a first check value, the first compressed data is obtained by compressing first data based on a first compression mode, the first check value is obtained by processing a second check value based on a first check algorithm, the second check value is obtained by processing the first compressed data based on a second check algorithm; obtaining a first check code by processing the first packet based on a third check algorithm; determining, according to a correspondence between the first check code and the first compression mode, that the first compression mode is a compression mode used when the first data is compressed; and obtaining the first data by decompressing, based on a first decompression mode corresponding to the first compression mode, the first compressed data included in the first packet.
US11375044B2 Custom digital components
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for processing requests for digital components. A method includes receiving a request from a client device for a digital component generated by a first SDK installed at a client device, examining data fields of the request by servers, generating real-time requests by the servers, and transmitting each real-time request to a third-party digital component provider by the servers. The method further includes receiving responses to the real-time requests from the third party digital component provider by the servers, selecting a particular response to transmit to the client device responsive to the request for the digital component by the servers, and transmitting the particular response to the first SDK with instructions specifying which SDK installed at the client device is required to render a digital component included in the particular response by the servers.
US11375043B2 Program management system, external device and terminal device for controlling a program developer's ability to access, publish and manage marketing of a program
A program management system includes: a terminal device having a terminal processing unit capable of executing processing to create a computer program, and a terminal communication unit capable of transmitting the computer program created by the terminal processing unit to an outside; and an external device having an external device storage unit storing therein the computer program transmitted from the terminal device, and an external device processing unit capable of executing processing to give approval to the computer program stored in the external device storage unit. The external device storage unit stores therein appropriateness of approval of the computer program as first status information together with the computer program. The external device processing unit is capable of executing processing to manage the computer program based on the first status information.
US11375038B2 Automatic delivery of media content to a device
A method includes sending, from a portable computing device to a media device, first data indicating media content provided to a display device when a particular local area network was not accessible to the portable computing device. The media device generates or updates a user profile based on the first data and causes a first media content item to be recorded based on the user profile. The method includes receiving, from the media device via the particular local area network, a notification identifying the first media content item and a storage size associated with the first media content item. The method also includes, in response to determining that a pre-cache memory does not have available capacity to store the first media content item based on the storage size, deleting a second media content item from the pre-cache memory and storing the first media content item at the pre-cache memory.
US11375034B2 Transmitting remotely valued data in an autonomous vehicle
Transmitting remotely valued data in an autonomous vehicle, including: acquiring sensor data from a plurality of sensors of the autonomous vehicle, the sensor data comprising a plurality of portions; generating an index for the sensor data; transmitting the index to a server; receiving, based on the index, a value for each portion of the sensor data; and transmitting, based on the value for each portion of the sensor data, the one or more portions of the sensor data.
US11375028B1 Utilizing non-serializable objects with a function as a service platform
Systems and methods are described for utilizing non-serializable object parameters with a function as a service (“FaaS”) platform. A user can select, in a user interface of a web application, a server and a command for executing in a shell client. The web application can generate instructions for constructing an object in a shell client that corresponds to the server. The web application can retrieve a shell script associated with the selected command. The web application can send the instructions and shell script to a FaaS. The FaaS can execute, in a shell client, a script that constructs the object as a parameter in a shell session. In the same shell session, the FaaS can execute the shell script, causing the shell client to use the object as a parameter for the shell script.
US11375026B2 Group communication and service optimization system
A method for optimizing group communication services, the method including determining a current location and an assigned home server for one or more devices associated with each of a plurality of group members, determining whether the one or more devices of the plurality of group members has moved to a visiting location, wherein the visiting location is a location outside of locations associated with the assigned home server based on the current location and assigned home server for the one or more devices, and assigning a group control application server associated with the visiting location to the to the one or more devices to serve as the assigned home server.
US11375023B2 Dynamically configuring a web server timeout
A method, system and computer program product for dynamically adjusting a timeout parameter associated with a connection between a client device and a server. Information is associated with at least one of a characteristic of a content to be rendered by a server, a characteristic of traffic of a connection to the server, and a characteristic of a user of the server is received from the client device and transmitted to the server. Based on the transmitted information, an amount of time in a previously stored timeout parameter associated with a client device is adjusted automatically with a new timeout parameter to enable communication between the client device and the server. The new timeout parameter is stored in place of the previously stored timeout parameter. Responsive to the amount of time to wait for a response from the client device satisfying the new timeout parameter, the communication between the client device and the server is terminated.
US11375022B2 System for real-time management of session objects and for application programming interface (API) mocking
A system for real-time management of a plurality of session objects and for mocking a plurality of application programming interfaces (APIs). The system may include a cluster of servers. Each server may provide a backend service to a virtual assistant. Each backend service may execute an API. The system may also include a computing device operable to execute the virtual assistant in a test mode. The system may include a communication channel between the computing device and the cluster of servers. The communication channel may transmit API requests from the virtual assistant to the cluster, and JSON responses from the cluster to the virtual assistant. The system may include a mocked-up services server operable to replicate the cluster. The system may include a bypass communication channel between the communication channel and mocked-up services server. The bypass communication channel may redirect API requests to the mocked-up services server.
US11375020B2 Remote monitoring and control of treatment parameters on a medical device during a medical treatment
A method comprising: establishing a wireless connection between a first medical device and a second medical device, comprising: receiving, by the first medical device, via a short-range wireless technology protocol, connection information related to the second medical device; and establishing, by the first medical device, a wireless connection with the second medical device based on the connection information.
US11375019B2 Server device, learned model providing program, learned model providing method, and learned model providing system
A server device configured to communicate, via a communication network, with at least one device including a learner configured to perform processing by using a learned model, includes processor, a transmitter, and a storage configured to store a plurality of shared models pre-learned in accordance with environments and conditions of various devices. The processor is configured to acquire device data including information on an environment and conditions from the at least one device, and select an optimum shared model for the at least one device based on the acquired device data. The transmitter is configured to transmit a selected shared model to the at least one device.
US11375015B2 Dynamic routing of file system objects
Methods, systems, and apparatuses are described for dynamic management of file system objects (e.g., a file or a directory). Such management includes syncing, routing, and storing capabilities. A file system object may be tagged with one or more tags based on at least one of file system object content or file system object location. Dynamic rules that control routing of file system objects to one or more locations based on the one or more tags are accessed and searched for an applicable rule. The file system object may be routed and/or stored based on the applicable rule. The rules may specify allowable locations as well as locations that are not allowed for a given file system object. The location may be a cloud-based location, a location that is on the premises of the enterprise, a location provided by and/or serviced by a competing entity, etc.
US11375010B2 Sharding block chain generation method based on tree structure
Disclosed is a sharding block chain generation method based on a tree structure. Method comprises: dividing a server system into at least one group, and respectively selecting a leader of each group; packaging to generate at least one block by leader according to an own local database state, and broadcasting at least one block to all members of group in which leader is located; verifying consistency of at least one block, executing block according to a verification result of consistency, and synchronizing block to other groups. According to method, by means of tree grouping architecture, efficiency of generating block by a block chain framework is improved, block is generated according to own local database state of the leader, a resource waste phenomenon when block is generated in system is reduced, and delay when the block is generated is reduced.
US11375008B2 Consumption of data services provisioned in cloud infrastructures
An aspect of the present disclosure facilitates consumption of data services provisioned in cloud infrastructures. In one embodiment, a name server maintains a node-map data reflecting the corresponding set of nodes (in cloud infrastructures) currently hosting each of multiple data services. A consumer system (e.g. an end user system or another node in the cloud infrastructure) seeking to access a desired data service, sends to the name server a resolution request containing an identifier of the desired data service. The consumer system receives from the name server, identifiers of a set of nodes currently hosting the desired data service and then accesses the desired data service through at least one of the set of nodes.
US11375005B1 High availability solutions for a secure access service edge application
A software-defined wide area network (SD-WAN) environment that leverages network virtualization management deployment is provided. Edge security services managed by the network virtualization management deployment are made available in the SD-WAN environment. Cloud gateways forward SD-WAN traffic to managed service nodes to apply security services. Network traffic is encapsulated with corresponding metadata to ensure that services can be performed according to the desired policy. Point-to-point tunnels are established between cloud gateways and the managed service nodes to transport the metadata to the managed service nodes using an overlay logical network. Virtual network identifiers (VNIs) in the metadata are used by the managed service nodes to identify tenants/policies. A managed service node receiving a packet uses provider service routers (T0-SR) and tenant service routers (T1-SRs) based on the VNI to apply the prescribed services for the tenant, and the resulting traffic is returned to the cloud gateway that originated the traffic.
US11375001B2 File transmission method and apparatus
A method and an apparatus for file transmission are provided. The method may include receiving a file sending request initiated by a source user for a preset file; sending an approval message for the file sending request to an approval user corresponding to the source user when the source user does not have a transmission privilege for the preset file; and setting the preset file as an obtainable state for a target user corresponding to the file sending request in response to the approval message being approved by the approval user. The technical solutions of the present disclosure can prevent an approval operation of a file from interrupting a communication process between users, help to simplify user operations, and improve the smoothness of the communication process.
US11375000B1 Data transmission method and device of server firmware via HTTP/HTTPS
Data transmission method of server firmware adapted to a server having request end firmware devise, server end firmware devise and shared memory, with the method comprises: putting a request into the shared memory via http/https by the request end firmware devise, obtaining the request from the shared memory by the server end firmware devise from the shared memory, storing a requested data file and a completion notification into the shared memory via http/https according to the request by the server end firmware devise when the request is determined as conforming to a request rule by the server end firmware devise, wherein the completion notification is marked as success when the request content is accord with a request rule, and obtaining the requested data file from the shared memory when the completion notification is received and determined as success by the request end firmware devise.
US11374999B2 Methods and arrangements for binding a device application to a web service
According to a yet further aspect of the embodiments of the present invention a server 1020 configured to bind a device application to a web service is provided. The server comprises WebRTC functionality. The server is configured to receive a request for the web service from the device application, wherein communication between the server and the device application is done via https and WebRTC and the device application is configured to generate WebRTC credentials comprising a private key, certificate of the private key and a fingerprint of the certificate. The server is configured to receive the fingerprint and fingerprint generation algorithm of the certificate, store the fingerprint and fingerprint generation algorithm and associating the fingerprint with the device application, and use DTLS, providing the certificate of the device application, in combination with the stored fingerprint to identify the device application to bind the device application to the web service.
US11374997B2 Methods and systems for codec detection in video streams
Method and apparatus for carrying out the method receiving packets, each of the packets comprising a header and a payload. For a particular packet among the packets, the method includes processing at least the header of the particular packet to determine a flow associated with the particular packet; attempting to determine a payload structure based on the flow, the payload structure associated with transport of coded video data in the payload of the particular packet; and if the attempting is successful, repackaging coded video data contained in the payload of the particular packet into a new packet and forwarding the new packet to an external system or storing the new packet in memory.
US11374995B2 Multimedia file processing
Techniques for processing a multimedia file in real-time are described herein. The disclosed techniques include receiving a plurality of fragments of a multimedia file by a data stream conversion service, wherein the data stream conversion service receives a first fragment containing metadata of the multimedia file and then receives other fragments of the multimedia file in a predetermined order; sending a notification message to a message queue by the data stream conversion service in response to receiving the first fragment, wherein the notification message includes the metadata of the multimedia file and a corresponding Hyper Text Transfer Protocol (HTTP) interface address; obtaining the notification message from the message queue by an encoding and decoding service; and processing the other fragments of the multimedia file based at least in part on the notification message by the encoding and decoding service.
US11374993B2 Reception device, reception method, transmission device, and transmission method
Disclosed is a reception device configured to acquire second metadata including a flag, the flag indicating whether or not there is a component stream transmitted from a server via the Internet for a service. The reception device is also configured to acquire first metadata based on the second metadata, the first metadata including information related to a component stream for the service transmitted in a broadcast signal using an Internet Protocol (IP) transmission scheme. Finally, the reception device is configured to access the component stream transmitted in the broadcast signal based on the first metadata, and control reproduction of the component stream transmitted in the broadcast signal.
US11374991B2 Technologies for audiovisual communication using interestingness algorithms
Technologies for audiovisual communication include an audiovisual server and a number of audiovisual client devices, including a presenter device and a number of audience devices. Each audience device captures an audiovisual stream and transmits the audiovisual stream to the audiovisual server. Each audience device also captures sensor input data such as eye tracking data or facial expression data and transmits abstracted sensor input data to the audiovisual server. The abstracted sensor input data may be based on the captured audiovisual stream. The audiovisual server determines an interestingness rating associated with each audience device based on the sensor input data, and selects one or more audiovisual streams based on the interestingness ratings. The audiovisual server transmits the selected audiovisual streams to the presenter device. The audiovisual server may update the interestingness rating algorithm based on feedback from the presenter device or the audience devices. Other embodiments are described and claimed.
US11374990B2 Saving an overlay annotation in association with a shared document
Methods, systems, and computer program products for integrating content management systems with web conferencing facilities. An overlay annotation generated via a web conferencing facility is associated with a content object of a content management system. Integration code at the web conferencing facility displays a portion of the content object of the content management system. As user generates an overlay annotation during the web conferencing session while the content object is displayed in an interaction window of the web conferencing facility. After the overlay annotation has been captured, the content management system receives the overlay annotation from the web conferencing facility and stores the overlay annotation in an annotation content object separate from the content object of the content management system. Registrations and other associations between the overlay annotation object and the content object itself are stored for either or both of the overlay annotation object and the content object.
US11374988B1 Controlled user interface transitions for private breakout communication sessions
Systems that execute controlled user interface transitions for private breakout communication sessions are described herein. A system provides a user interface that gives participants of a communication session a feeling that they are in the same room. When a select group of the participants break out into a private communication session, the system can transition from a first user interface arrangement showing all meeting participants to a second user interface arrangement that only shows the select group of the participants. The system configures the second user interface arrangement to maintain the position of the select group of the participants while removing the participants who are not selected to participate in the private communication session. By maintaining the position of the participants of the private communication session, the system can help participants to maintain a cognitive stream of nonverbal social cues that were provided in the original user interface arrangement.
US11374985B1 Communications approach and implementations therefor
A connection procedure for data communications devices is implemented in a variety of embodiments. In one such embodiment, the procedure uses a first set of connection data for attempting to connect and upon failure to connect uses a second set of connection information in addition to the first set of connection information to attempt a connection. In another embodiment, a delay is implemented before transmitting the connection information and a subsequent delay is implemented to allow for additional connection information to be input and transmitted.
US11374979B2 Graph-based policy representation system for managing network devices
Systems and methods are provided for managing network devices using policy graph representations. In some embodiments, the method includes receiving configurations for a plurality of network devices; extracting one or more policies from the configurations; extracting a label hierarchy from the configurations, the label hierarchy describing an organization of nodes in a network comprising the network devices; generating a connectivity of a network comprising the network devices based on the one or more policies and the label hierarchy; generating a policy graph representation of the connectivity of the network; and displaying the policy graph representation of the connectivity to a user.
US11374977B2 Endpoint risk-based network protection
A method, system, and computer-usable medium are disclosed for managing network communication by, responsive to an attempted connection from a client to a server, receiving information regarding the connection from the client, determining if the information regarding the connection matches an entry of a reputation cache, and responsive to determining that the information regarding the connection matches an entry of the reputation cache, undertaking a remedial action in accordance with a security policy.
US11374968B1 Detection of adversarial networks
Devices and techniques are generally described for fraud detection. In various examples, a first plurality of requests are received over a first time period. In at least some examples, the first plurality of requests may be requests to access a first service. A hierarchical data representation comprising an ordered set of values may be determined for each request of the first plurality of requests. A first subset of the first plurality of requests may be determined. The hierarchical data representation associated with each request of the first subset may include fewer than a threshold number of value substitutions relative to each other hierarchical data representation of the first subset of the first plurality of requests. Access to the first service may be prevented by subsequent requests associated with the first subset of the first plurality of requests.
US11374966B2 Robust and transparent persistence of taint information to enable detection and mitigation of injection attacks
Methods, systems, and computer-readable storage media for receiving, by a database connector having a taint extension, a SQL request from an application, sending, by the taint extension, the SQL request to a SQL parser, receiving, by the taint extension, a structural representation of the SQL request from the SQL parser, adding, by the taint extension, taint information corresponding to data within the SQL request to provide an enhanced SQL statement, and transmitting, by the database connector, the enhanced SQL statement to a database for storing the taint information with the data.
US11374964B1 Preventing lateral propagation of ransomware using a security appliance that dynamically inserts a DHCP server/relay and a default gateway with point-to-point links between endpoints
A technique to stop lateral movement of ransomware between endpoints in a VLAN is disclosed. A security appliance is set as the default gateway for intra-LAN communication by overwriting the DHCP responses. Message traffic from compromised endpoints is detected. Attributes of ransomware may be detected in the message traffic, as well as attempts to circumvent the security appliance. Compromised devices may be quarantined. The security appliance may act in response to an initial detection of ransomware such that it does not ordinarily interfere with operation of a primary DHCP server.
US11374963B1 Predictive modeling for anti-malware solutions
Provided is predictive modeling for anti-malware solutions. The predictive modeling includes an identification manager component that generates profile data for a hostile source. The hostile source is identified based on a previous threat attributed to the hostile source. The predictive modeling also includes an evaluation component that determines a characteristic of an interaction between a source and an endpoint. Further, the predictive modeling includes a validation component that compares the characteristic of the interaction with the profile data and controls access to the source by the endpoint based on the comparison. In addition, anti-malware software is not deployed on the endpoint.
US11374949B2 Logical validation of devices against fraud and tampering
Disclosed herein is a method and system to determine whether a payment terminal has been tampered with based on a comparison of attestation data received from the payment terminal, for example in an offline mode when an otherwise secure remote server cannot be reached. If the determination yields that the request has been approved, the terminal generates an attestation ticket having one or more validity conditions, wherein the validity conditions include expiration time that indicates the time after which the attestation ticket becomes invalid. The attestation ticket can be used as long as it is valid or until another trigger causes the ticket to be invalidated or regenerated.
US11374947B2 Wireless threat detection device, system, and methods to detect signals in wideband RF systems and localize related time and frequency information based on deep learning
The present invention comprises a novel system and method to detect and estimate the time-frequency span of wireless signals present in a wideband RF spectrum. In preferred embodiments, the Faster RCNN deep learning architecture is used to detect the presence of wireless transmitters from the spectrogram images plotted by searching for rectangular shapes of any size, then localize the time and frequency information from the output of the FRCNN deep learning architecture.
US11374943B2 Secure interface using non-secure element processors
A bundle of public counters and a corresponding bundle of private counters are created and transmitted to a user device. The user device receives a request and processes the request without accessing a secure element processor on the user device. The user device calculates a security code using the private counter and a number. The user device transmits the calculated security code and one of the bundle of public counters in response to the request. A receiver of the response to the request determines the validity of the public counter and looks up the corresponding private counter using the public counter. The receiver determines the validity of the security code by recomputing it using the private counter and the number.
US11374942B2 Verification terminal
In a verification terminal for verifying properness of an information item composed of a data string, a storage unit stores an own-terminal information item comprised of a data string, and a verification value generation unit generates a hash value of the own-terminal information item stored in the storage unit as an own-terminal hash value. A verification value acquisition unit communicates with at least one other verification terminal that should store an other-terminal information item t to thereby acquire a hash value of the other-terminal information item from the at least one other verification terminal as an other-terminal hash value. The other-terminal information item is conditioned to be identical to the own-terminal information item. A verification execution unit verifies properness of the own-terminal information item in accordance with whether the own-terminal hash value is consistent with the other-terminal hash value.
US11374940B2 Controlling access to multi-granularity data
According to certain implementations, a permissions gateway receives an access request indicating multiple sets of secured data that include high-granularity data stored on multiple secured data repositories. The access request is compared to a permission set with multiple consent parameters, which indicate access types for the secured data. Based on a comparison of the access request to a permission set, the permissions gateway queries, the permission gateway queries a first data repository for a high-granularity dataset that includes a portion of the high-granularity data, and queries a second data repository for a low-granularity dataset that includes a summary of part of the high-granularity data. The permissions gateway generates a multi-granularity response to the access request, based on a combination of the high-granularity dataset and the low-granularity dataset.
US11374938B2 Database-agnostic secure structured database connector
Systems and methods for connecting to and managing access to multiple targeted data stores are provided. The system includes at least a client system for requesting access to multiple datastores and to perform an operation on data from the data stores per a user request. The system further includes an entitlement system for identifying the user and target data stores, and for authenticating the user to access the data stores to perform an operation on the requested data. The entitlement system may be configured to identify one or more connection strings corresponding to each database management system (DMS), and to generate a database agnostic connection string for providing access to the data stores simultaneously. The entitlement system may also be configured to implement additional security provisions for connecting to the data stores, including closing any open connections at the expiry of the operation on the data.
US11374929B2 Biometric authentication for an augmented reality or a virtual reality device
An augmented reality or virtual reality device is detected as being attached to the specific user. In response, an access request for the specific user for use of the augmented reality or virtual reality device is automatically generated. Access is granted utilizing biometric authentication enhanced with non-invasive internal scanning of the body for characteristics unique to the specific user. Access can be granted for a device, a specific app on the device, or for a specific virtual or augmented location within the specific app.
US11374919B2 Memory-free anomaly detection for risk management systems
A risk management system deploys an anomaly detection method for a target data instance without explicitly storing data processing architectures in memory. The anomaly detection method determines whether the target data instance is an anomaly with respect to a reference set of data instances. In one embodiment, the anomaly detection method mimics traversal through one or more trees in an isolation forest without explicitly constructing or storing the trees of the isolation forest in memory. This allows the risk management system to avoid unnecessary storage and retrieval of parts of each tree that would not be traversed if the tree were constructed. Moreover, the anomaly detection method allows anomaly detection to be efficiently performed within memory-constrained systems.
US11374918B2 Smart gateway enabled low cost smart building solution
A method and apparatus are described including logging on to an account on the shared server based on credentials, transmitting a request to the shared server for a list of smart devices registered to the account, receiving the list of smart devices from the shared server, linking to a selected one of the smart devices from the list of smart devices received from the shared server; and transmitting a smart device command to the selected smart device. Also described are a method and apparatus including receiving credentials from a client device to log-on to an account, receiving a request from the client device for a list of smart devices registered to the account and transmitting the list of smart devices to the client device.
US11374916B2 Key export techniques
A computer system performs cryptographic operations as a service. The computer system is configured to allow users of the service to maintain control of their respective cryptographic material. The computer system uses inaccessible cryptographic material to encrypt a user's cryptographic material in a token that is then provided to the user. The user is unable to access a plaintext copy of the cryptographic material in the token, but can provide the token back to the service to cause the service to decrypt and use the cryptographic material.
US11374914B2 Systems and methods for determining knowledge-based authentication questions
Systems and methods for authenticating a user may include transmitting a request for a first set of information after validation of authentication information; receiving a response comprising the first set of information; parsing the first set of information using one or more template-based algorithms by scanning one or more websites to determine publicly available information associated with a user; comparing compare one or more results of the parsing with a second set of information to yield compromised information associated with the user; eliminating one or more portions of the second set of information based on the comparison; presenting a third set of information to authenticate the user based on the elimination and by supplementing the first set of information with a fourth set of information; and presenting a fifth set of information to authenticate the user if the third set of information fails to reach a predetermined threshold number.
US11374913B2 Management system and method
If authentication information used for communication has not been determined in a case where authentication is required in communication with a network device, a communication unit of a management system attempts the authentication processing with the network device by using information for one piece each in order from among shared authentication information that has been managed. If the authentication has succeeded, a storage unit stores the authentication information used in the authentication in association with the network device. If the authentication information to be used for the communication has been stored in a case where the authentication is required in communication with the network device, the communication unit performs communication using the stored authentication information without performing an attempt.
US11374911B1 Systems and methods for locking encrypted video conferences
One disclosed example method includes obtaining a meeting cryptographic key, transmitting, from a client device to a video conference provider, a request to initiate an encrypted video conference, the encrypted video conference including a plurality of participants, and distributing the meeting cryptographic key to each participant of the plurality of participants. The disclosed example method further includes receiving an indication that the encrypted video conference is to be locked, subsequent to receiving the indication that the encrypted conference is to be locked, receiving a request to admit an additional participant to the encrypted video conference, determining whether the additional participant is one of the plurality of participants, and responsive to determining that the additional participant is not one of the plurality of participants, rejecting the request to admit the additional participant to the encrypted video conference.
US11374906B2 Data exfiltration system and methods
A host computer system may be configured to connect to a network. The host computer system may be configured to implement a workspace and an isolated computing environment. The host computer system may be configured to isolate the isolated computing environment from the workspace using an internal isolation firewall. The internal isolation firewall may be configured to prevent data from being communicated between the isolated computing environment and the workspace, for example, without an explicit user input. When malware is received by the isolated computing environment, the internal isolation firewall may be configured to prevent the malware from accessing data on the workspace of the host computer system. The host computer system may be configured to implement one or more mechanisms that prevent malware received by the host computer system from exfiltrating, to a network destination, data from the host computer system and data from other devices on the network.
US11374903B1 Systems and methods for managing devices
The disclosed computer-implemented method for managing devices may include (i) intercepting outbound network traffic that is directed to an original target network destination, and (ii) redirecting the outbound network traffic to a virtual computing node within a publicly available on-demand cloud computing platform for the virtual computing node to apply a management policy to the outbound network traffic prior to the outbound network traffic arriving at the original target network destination, where a management service directs the performance of both configuring the computing device to redirect the outbound network traffic to the virtual computing node within the publicly available on-demand cloud computing platform and configuring the virtual computing node within the publicly available on-demand cloud computing platform to apply the management policy. Various other methods, systems, and computer-readable media are also disclosed.
US11374902B2 Field device loop warning parameter change smart notification
A system for preventing inadvertent or untimely parameter changes to an active online field device from a secondary system different from a distributed control system application providing control instructions to the field device, where the parameter changes may cause detrimental effects to a plant process or activity. A request for a parameter change from the secondary system may be intercepted before the request is received by a field device or a controller for evaluation by an operator of the distributed control system. The validation process may provide a plant operator with override authority to approve or deny a set of critical parameter changes to an active field device or other active plant device.
US11374901B2 Network address compression for electronic devices
The subject technology provides an in-place encoding of a network identifier that compresses the network identifier without mapping the network identifier to a another server or service, such as URL shortening service. The network identifier may be compressed using segmented encoding operations that segment the network identifier, and encode the characters of the network identifier using a first set of encoding operations for a first portion of the network identifier and a second set of encoding operations for a second portion of the network identifier. Template encoding may also be provided for network identifiers that conform to a predefined template format.
US11374896B2 Domain name request multiplication for multipath-access
A method for domain name resolution includes: requesting, by an access device, via a resolving request, an IP address based on a present domain name or a domain name based on a present IP address, wherein the access device is configured to have multipath access to a data network via at least two access paths; generating, by the access device, an initial domain name query based on the resolving request; duplicating, by the access device, the initial domain name query into at least two multiplied domain name queries; sending, by the access device, each of the at least two multiplied domain name queries to a respective name server; and receiving, by the access device, a domain name response comprising the requested IP address or the requested domain name from each respective name server.
US11374895B2 Updating and transmitting action-related data based on user-contributed content to social networking service
Collaboration system, apparatus, method and program are provided which enable a user to use SNS with ease. The collaboration system includes a device 20 which recognizes a user to execute at least one of acquisition of sensing data related to the user and action based on a content contributed to SNS by another user; and a collaboration apparatus 10 which executes at least one of processing of transmitting a contribution content based on the sensing data to an SNS system which provides the SNS and processing of updating action of the device 20 based on a content contributed by another user and transmitting the updated content of the action to the device 20.
US11374894B2 Confusion reduction in an online social network
Confusion reduction in an online social network. A method identifies elements in social media message content, determines, based on the identified elements, a plurality of candidate audiences to which the social media message content is potentially targeted, indicates, to a user, the plurality of candidate audiences and suggested additional elements to apply to the social media message content to tailor the social media message content to a target audience of the plurality of candidate audiences, and modifies the social media message content with one or more additional elements of the suggested additional elements, the modifying adding the one or more additional elements to the social media message content and targeting the social media message content to the target audience.
US11374893B2 Methods, servers, and non-transitory computer readable record media for converting image to location data
A location providing method implemented by a server comprising extracting text from an image received through an application executed on a first client, extracting matched location information corresponding to the image based on the text, and providing the matched location information and the image to one or more clients through the application.
US11374891B2 Control apparatus, control system, and non-transitory computer readable medium
A control apparatus includes a receiving unit, a first controller, and a second controller. The receiving unit receives an instruction to execute a predetermined process corresponding to a post posted on a space provided by a service. The predetermined process is executed on one or more target posts posted on the space. The space presents posts in a predetermined direction in a chronological order. The first controller performs control to execute the predetermined process in response to the instruction. In a case where the one or more target posts of the predetermined process are posted on the space and a predetermined condition is satisfied, the second controller removes at least one post from the space and posts an alternative post corresponding to the removed at least one post on the space.
US11374885B2 Dynamic subscription and message routing on a topic between publishing nodes and subscribing nodes
A system for dynamic message routing on a topic between publishing nodes and subscribing nodes includes a plurality of message queues, at least one topic/node table, a subscribing module, a publishing module, and other modules to send messages between one or more publisher and one or more subscribers. These modules are coupled together by a bus in a plurality of nodes and provide for the dynamic message routing on a topic between publishing nodes and subscribing nodes. The message queues store messages at each node for delivery to subscribers local to that node. The topic/node table lists which clients subscribe to which topics, and is used by the other modules to ensure proper distribution of messages. The subscribing module is use to establish a subscription to a topic for that node. The publishing module is used to identify subscribers to a topic and transmit messages to subscribers dynamically. The other modules include various devices to optimize message communication in a publish/subscribe architecture operating on a distributed computing system. The present invention also includes a number of novel methods including: a method for publishing a message on a topic, a method for forwarding a message on a topic, a method for subscribing to messages on a topic, a method for automatically removing subscribers, a method for direct publishing of messages, and methods for optimizing message transmission between nodes.
US11374884B2 Managing and displaying online messages along timelines
The present invention provides a method, system, and computer program product of managing and displaying online messages along timelines. In an embodiment, the present invention includes receiving a plurality of online messages from an online website, determining sets of similar online messages among the plurality of online messages, and displaying on a computer display each of the sets of similar online messages along a graphical representation of a timeline corresponding to the each of the sets of similar online messages, resulting in displayed timelines and displayed online messages. In a further embodiment, the present invention includes in response to receiving a new online message from the online website, determining each set among the sets of similar online messages to which the new online message is similar, and displaying on the computer display the new online message, resulting in a displayed new online message.
US11374883B2 Presence-based communications in a controlled environment
Disclosed herein are system, method, and computer program product embodiments for providing presence-based communications in a controlled environment. In an embodiment, a presence management system monitors communication status information related to communication devices within a controlled facility as well as communication device external to the controlled facility. Communication statuses indicate the availability of users to receive certain types of communications, such as, for example, video conferencing, audio calls, and/or textual messages. In an embodiment, an inmate of the controlled environment can view communication statuses of external individuals. The presence management system informs the inmate of the availability of the external individuals and facilitates communications between the inmates and external individuals.
US11374881B2 Method for processing network packets and electronic device therefor
An electronic device including a wireless communication circuitry, a processor including a plurality of cores, and a memory. The processor receives a packet of a first session associated with a first core among the plurality of cores, identifies whether a core associated with the first session is changed to a second core different from the first core, sets pending information based on an amount of packets which are pending in a first packet of the first core when it is identified that the core is changed to the second core, stores data corresponding to the received packet of the first session in a pending buffer of the memory, and inserts the data corresponding to the received packet of the first session, stored in the pending buffer, into a packet queue of the second core.
US11374880B2 Automated deployment of internet connectivity to rack switches in a data center
Top-of-rack (TOR) switches are connected to a network fabric of a data center. Each TOR switch corresponds to a respective rack of the data center, and is configured to provide access to the network fabric for computing devices mounted in the respective rack. A request is received, from a client device via a portal of the data center, to provide IP connectivity to one or more computing devices mounted in a rack. IP addresses are assigned that correspond to the IP connectivity. A virtual network is created in a network fabric of the data center. The created virtual network is associated with the assigned IP addresses. One or more of the TOR switches are configured to connect one or more ports of each respective TOR switch to the created virtual network.
US11374875B1 Edge cloud resource allocation using hints from network providers
Aspects of the subject disclosure may include, for example, a network API service that receives network event data and provides performance hints to a resource manager that manages application containers at edge cloud locations. Network event data may be received from access networks, core networks, nodes within access networks or core networks, or the like. Performance hints may allow booting of application containers at edge cloud locations. Other embodiments are disclosed.
US11374874B2 Access control method, access control device, and data processing device
An access control unit includes packet buffers provided for each of users, a packet identification unit that stores received packets in a corresponding packet buffer, a scheduling unit that decides a packet buffer to be the object of transfer, a transfer control unit that, in a case that updating of reference data can be performed at an application processing circuit, and also the packet buffer decided by the scheduling unit is different from the current packet buffer that is the object of transfer, updates to reference data corresponding to the packet buffer decided by the scheduling unit, and a buffer selection unit that connects the packet buffers decided to be the object of transfer to the packet transfer unit when updating of reference data is completed.
US11374873B2 Managing committed request rates for shared resources
Commitments against various resources can be dynamically adjusted for customers in a shared-resource environment. A customer can provision a data volume with a committed rate of Input/Output Operations Per Second (IOPS) and pay only for that commitment (plus any overage), for example, as well as the amount of storage requested. The customer can subsequently adjust the committed rate of IOPS by submitting an appropriate request, or the rate can be adjusted automatically based on any of a number of criteria. Data volumes for the customer can be migrated, split, or combined in order to provide the adjusted rate. The interaction of the customer with the data volume does not need to change, independent of adjustments in rate or changes in the data volume, other than the rate at which requests are processed.
US11374869B2 Managing bandwidth based on user behavior
A method for managing bandwidth may include identifying a first tier of applications and a second tier of applications, determining a number of user sessions associated with at least one application among the first tier of applications and the second tier of applications, each user session consuming a percentage of bandwidth of at least one communication channel in a network, and baselining a second tier application bandwidth use for each user session associated with the second tier of applications to determine a first interval and a second interval. The method may also include calculating a second tier application usage score associated with the second tier of applications, the calculating including determining a percentage of bandwidth used by the second tier of applications in the first interval and determining a percentage of bandwidth used by the second tier of applications in the second interval, generating a user score based on the second tier application usage score and a percentage of use of the first tier of applications, and adjusting a bandwidth allocation based on the user score.
US11374867B2 Dynamic tuning of contention windows in computer networks
Techniques for avoiding packet collision in wireless communications networks include initializing a first data indicating a plurality of fixed delay values in a range from a minimum delay to a maximum delay and indicating a corresponding plurality of adjustable weights. A first applied delay for a first packet is determined based on the first data. The first packet if transmitted at a time based on the first applied delay. Based on whether transmission of the first packet was successful the first data is adjusted by reducing a first weight of the plurality of adjustable weights for a corresponding first fixed delay value greater than the first applied delay, or by increasing a second weight of the plurality of adjustable weights for a corresponding second fixed delay value smaller than the first applied delay, or both.
US11374864B2 End-to-end acceleration of dynamic content
A method of accelerating dynamic content between Points of Presence (POPs) and front-loading latency bottlenecks in a Content Delivery Network (CDN) may include receiving, at a first POP, a content request from a user device, where content responsive to the content request includes a first content portion that is not stored in the first POP. The method may also include determining that the first content portion is available through a second POP. The method may additionally include transmitting the first content portion through a persistent connection mesh from the second POP to the first POP, wherein the persistent connection mesh is maintained between the first POP and the second POP prior to the request for content being received by the first POP. The method may further include delivering the content responsive to the content request to the user device.
US11374863B2 Segment routing extension headers
A system and method are disclosed for using segment routing (SR) in native IP networks. The method involves receiving a packet. The packet is an IP packet and includes an IP header. The method also involves updating the packet. Updating the packet involves writing information, including a segment routing segment identifier, to the destination address of the packet.
US11374857B2 Network device management method and apparatus, and system for indicating a network device to perform management operation
A network device management method for a first network device in autonomic networking includes obtaining management information of a service flow, the management information comprising a type of a management operation and an identifier of the service flow, and the first network device being an ingress network device of the service flow, determining a second network device on a forwarding path of the service flow based on the identifier of the service flow, the second network device being a next-hop network device of the first network device, sending a control packet having the management information to the second network device, the control packet indicating to the second network device to perform a management operation based on the type of the management operation and obtain information associated with the management operation, receiving, from the second network device, a response packet having information associated with the management operation.
US11374852B2 Piecewise shortest path first routing
A method and apparatus for routing packets in a network, such as a satellite mesh network. Geographic routing is employed in which packets specify their physical destination location. Network nodes maintain physical location information for nodes, along with routing information, for a limited portion of the network which is local thereto. At each node and for each packet, a target node is selected from the limited portion. The target node may be the node which is closest in orthodromic distance to the physical destination location. Based on the routing information, a route through the limited portion of the network to the target node is determined, other nodes are configured (e.g. via source routing) to cause the packet to traverse the determined route, and the packet is forwarded toward the target node.
US11374850B2 Tunnel endpoint group records
Some embodiments provide a method for an MFE, in a first datacenter, to implement an LN spanning the first datacenter and a set of additional datacenters. The method stores records that each map one or more LN addresses for DCNs belonging to the LN and operating in the first datacenter to a different TEP address. The method stores an additional record that maps addresses for DCNs connected to a particular LFE of the LN and operating in the additional datacenters to a group of TEP addresses corresponding to LN gateways that handle data traffic for the particular LFE between the first datacenter and the additional datacenters. Upon receiving a data message with a destination address corresponding to a DCN connected to the particular LFE and operating in one of the additional datacenters, the method uses the additional record to identify a TEP address for encapsulating the data message.
US11374846B1 Lin master testing device
Testing device for testing a LIN master device having a plurality of LIN channels. The device has a plurality of LIN channel terminals, each for connection to a LIN bus associated with one of the LIN channels of the LIN master device. One or more UART circuits are communicatively coupled to the plurality of LIN channel terminals for receiving and transmitting signals on the respective LIN bus. A controller is communicatively coupled to the one or more UART circuits and is configured to implement a LIN slave state machine on each of the LIN busses using the one or more UART circuits for emulating LIN slave behaviour.
US11374842B1 Systems and methods for debugging network stacks based on evidence collected from selective tracing
A disclosed method may include (1) determining that a packet traversing a network device has been selected for conditional tracing by (A) comparing a characteristic of the packet against a firewall rule that calls for all packets exhibiting the characteristic to be conditionally debugged while traversing the network device and (B) determining, based at least in part on the comparison, that the firewall rule applies to the packet due at least in part to the packet exhibiting the characteristic, (2) tracing a journey of the packet within the network device in response to the determination by collecting information about the packet's journey through a network stack of the network device, and then (3) performing at least one action on the network device based at least in part on the information collected about the packet's journey through the network stack. Various other systems, methods, and computer-readable media are also disclosed.
US11374835B2 Apparatus and process for detecting network security attacks on IoT devices
Some embodiments include a network attack detection process, including, for each of a plurality of IoT devices of a communications network: receiving corresponding network traffic data representing network traffic characteristics of a plurality of network traffic flows of the device; processing the network traffic data to generate a plurality of corresponding features for each of the network traffic flows; and applying a corresponding set of one-class flow classifiers to the generated features to classify network traffic flows of the device and assess whether the network traffic characteristics of the network traffic flows are indicative of the device being under attack or having been compromised; wherein the flow classifiers are trained with training data representing normal network traffic behaviour of the device in an uncompromised state.
US11374828B2 Systems and methods for using an error budget for monitoring performance of a service level of a service
Described embodiments provide systems and methods of using an error budget for monitoring performance of a service level of a service is provided. A device intermediary to a plurality of requestors and a plurality of services can identify an error budget for a service level of a service. The error budget can include an amount for which the service is allowed to fall below the service level. The device can monitor, via requests from the requestors to the service, performance of the service with respect to the service level. The device can determine one or more instances for which the service falls below the service level and allocate one or more amounts from the error budget. The device can display the usage of the error budget for the service in association with the service level.
US11374827B2 System for simultaneous viewing and editing of multiple network device configurations
A network configuration development environment is disclosed. In particular, an editor configured to interface with multiple network devices simultaneously, to view and adjust their device configuration settings, is provided. The network configuration development environment allows a system administrator to manage configuration definitions (e.g., run-time or start-up device configuration parameters) relative to a plurality of network devices simultaneously to achieve correctness and appropriate consistency for each of those devices in a network infrastructure. The network development environment may include an ability to apply changes directly to one or more network devices or to apply changes to stored “configuration files” that are associated with individual devices. Changes to stored configurations may be applied automatically, for example, within a maintenance window for the network, in a controlled manner with a “roll-back” capability in the event of failure or unexpected result as a consequence of the automatically applied changes.
US11374826B2 Systems and methods for enhanced monitoring of a distributed computing system
The present approach relates to querying a configuration item (CI). The CI may be associated with a monitoring agent. In accordance with this approach, a check request is sent to a management, instrumentation, and discovery (MID) server. The check request may be sent to the monitoring agent. Additionally, a check result may be received from the monitoring agent. The check result may have data associated with the CI and the check request.
US11374823B2 Telemetry-based method and system for predictive resource scaling
A telemetry-based method and system is provided for predictive resource scaling by mining useful data based on communication behaviour such as human calling patterns, call quality, and integration. In an embodiment, the telemetry-based system comprises at least one predictor for generating a first scaling prediction value based on a first target process goal and a second scaling prediction value based on a second target process goal; an auto-scaler for auto-scaling resources based on the first scaling prediction value and second scaling prediction value; and a regulator for monitoring the first scaling prediction value and second scaling prediction value and auto-scaling of resources by the auto-scaler and applying an objective function indicating total normalized system performance to a reinforcement learning algorithm for improving prediction accuracy of the at least one predictor.
US11374820B2 Centralized controller-based dynamic network bandwidth allocation and management
A device receives topology data and path data associated with a network that includes network devices. The device determines planned bandwidths for new paths through the network based on the topology data and the path data, and ranks the new paths, based on the planned bandwidths, to generate a ranked list. The device selects information identifying a first new path from the ranked list, wherein the first new path includes a first planned bandwidth. The device determines whether the first new path can be provided via a single route through the network based on the first planned bandwidth, and identifies two or more routes through the network for the first new path when the first new path cannot be provided via the single route. The device causes the first planned bandwidth to be reserved by two or more of the network devices for the two or more routes.
US11374818B2 Applying network policies to devices based on their current access network
A server of a distributed computing system that is at least partially hosted on a particular access network receives a plurality of messages from a plurality of devices over a network, each of the messages associated with a corresponding source address. For each of the plurality of devices, a current access network is determined for the device. For each of the devices with a current access network being the particular access network, a first network policy is applied to the device. For each of the devices with a current access network being other than the particular access network, a second network policy is applied to the device, the second network policy defining a second encryption requirement.
US11374813B1 Software defined network device exposure to third parties
Systems and methods described herein provide a co-managed configuration service. A network device stores parameters for the co-managed configuration service. The parameters identify exposed services for an enterprise network that uses devices from a network service provider. The network device receives, via a customer portal, a vendor-agnostic change request for the enterprise network. The change request includes a user role and a change request name for one of the exposed services. The network device authenticates the change request based on the user role and the change request name and retrieves vendor director information for an SDN device implementing the configuration change. The network device invokes, in response to the change request, the configuration change for the enterprise network based on the vendor director information.
US11374810B2 Monitoring adherence and dynamically adjusting digital therapeutics
Systems, methods, and devices, including computer-readable media, for managing operation of devices in complex systems and changing environments. In some implementations, a server system stores data indicating management plans for each of a plurality of different devices, each management plan indicating a device-specific set of program states for programs in a predetermined set of programs. The server system alters the management plans and enforces interdependence of the programs, and the server system generates a customized instruction that alters operation of the device according to the device-specific set of program states assigned in the altered management plan for the device. The server system causes each device to perform one or more operations of the device determined according to the device-specific set of program states assigned in the altered management plan for the device.
US11374809B2 Auxiliary device to enhance native in-vehicle systems by adding interfaces and computational power
The present invention provides a removable device, adapted to connect to a head unit of a vehicle and comprising: a first communication module configured for bi-directional communication of data with the head unit; a second communication module configured for bi-directional communication of data with a wireless network, in particular a mobile telecommunication network; a memory unit storing an application programming interface (API) implementing at least a first protocol for the communication with the head unit via the first communication module; and a control unit comprising at least one processing unit adapted to execute the API; wherein the control unit is configured to provide at least one service to the head unit via the first communication module.
US11374808B2 Automated logging of patching operations via mixed reality based labeling
A machine vision device is provided including a camera, a processor, and a device memory including computer program code stored thereon. The computer program code is configured, when executed by the processor, to receive an image, from the camera, including at least one readable digital label associated with communication equipment, determine if an anchor label is present in the image, receive equipment information based on the anchor label and generate a search matrix based on the equipment information and the anchor label The search matrix includes one or more search matrix locations of assets associated with the communication equipment.
US11374807B2 Handling dynamic command execution in hybrid cloud environments
Various embodiments disclosed herein are related to a non-transitory computer readable storage medium. In some embodiments, the medium includes instructions stored thereon that, when executed by a processor, cause the processor to detect, on a cloud server, an indication to collect additional data from a cluster on an edge network coupled to the cloud server, send, to the cluster, a command to receive a command output, indicate, to the cluster, to send the command output as a type of data including at least one of raw data or parsed data, receive the command output in accordance with the command and the type of command output, and troubleshoot an issue of the cluster based on the command output.
US11374804B2 Method for determining reserved tones and transmitter for performing PAPR reduction using tone reservation
A method of determining reserved tones to be used for reduction of a peak to average power ratio (PAPR) of a signal includes: randomly selecting carrier indices for the reserved tones and generating a kernel signal based on the randomly selected carrier indices for the reserved tones; calculating a comparison reference average value of the kernel signal, comparing the calculated comparison reference average value with a prestored comparison reference average value, and preliminarily determining carrier indices of the reserved tones based on the comparison; re-arranging an order of the preliminarily determined carrier indices of the reserved tones; calculating comparison reference average values of kernel signals generated by changing each of the re-arranged carrier indices of the reserved tones, and finally determining carrier indices of the reserved tones which generate a kernel signal having the smallest comparison reference average value among the comparison reference average values as indices of the reserved tones.
US11374800B1 Continuous time linear equalization and bandwidth adaptation using peak detector
Methods and systems are described for asynchronously measuring an equalized information signal to obtain amplitude information, modifying frequency dependent parameters of a continuous-time linear equalization (CTLE) component of the signal path, determining a correlation between CTLE parameters and signal amplitude, and adjusting, responsive to the correlation, a continuous-time linear equalization (CTLE) code of a CTLE to adjust equalization of the equalized information signal.
US11374796B2 Compressive sensing based channel recovery considering time variation of the channel
According to one general aspect, a method may include estimating a combined channel. The method may include estimating a channel correlation based, at least in part upon a measurement of a combined channel for a current beam sweeping interval and a previous beam sweeping interval. The method may include recovering a current channel by employing a compressive sensing-based channel recovery employing estimated channel correlation, a previous measurement, and a current measurement.
US11374795B2 Gateway apparatus and method for controlling thereof
A gateway apparatus is provided and includes a communication unit that receives a message via a CAN communication network or an Ethernet communication network. A storage unit stores the received message and a controller converts a format of the received message in a format corresponding to a communication network of the target device based on a message characteristic including a format type of the received message and transmit the message of the converted format to the target device.
US11374789B2 Provider network connectivity to provider network substrate extensions
A first message of a first type and having a first destination address is received in a provider network. The first destination address is associated with a virtual network address of the provider network and an address of a first device in an extension of the provider network, the extension of the provider network in communication with the provider network via at least a third-party network. A message state data store is updated based on at least a portion of the first message. A first payload of the first message is sent to the first device a first secure tunnel through the third-party network.
US11374776B2 Adaptive dataflow transformation in edge computing environments
Systems and techniques for adaptive dataflow transformation in edge computing environments are described herein. A transformation compatibility indication may be received from a device. A set of transformations available for use by the device connected to the network may be determined based on the transformation compatibility indicator. The set of transformations may be transmitted to the device. A value may be determined for an operating metric for an edge computing node of the network. The edge computing node may provide a service to the device via the network. A transformation request may be transmitted to the device based on the value. The transformation request may cause the device to execute a transformation of the set of transformations to transform a dataflow of the service. The adaptive dataflow transformations may be continuous with changing predicted values of operating metrics.
US11374773B2 Tamper-protected hardware and method for using same
One of the various aspects of the invention is related to suggesting various techniques for improving the tamper-resistibility of hardware. The tamper-resistant hardware may be advantageously used in a transaction system that provides the off-line transaction protocol. Amongst these techniques for improving the tamper-resistibility are trusted bootstrapping by means of secure software entity modules, a new use of hardware providing a Physical Unclonable Function, and the use of a configuration fingerprint of a FPGA used within the tamper-resistant hardware.
US11374772B1 Unified programming environment for programmable devices
A secure programming system can receive a job control package having a security kernel and a target payload of content for programming into a pre-defined set of trusted devices. A device programmer can install a security kernel on the trusted devices and reboot the trusted devices using the security kernel to validate the proper operation of the security kernel. The target payload can then be securely installed on the trusted devices and validated.
US11374771B2 Methods and systems for implementing mixed protocol certificates
A system for implementing mixed protocol certificates, the system includes a subject device designed and configured to receive, from an issuing device, a first digital certificate, wherein the first digital certificate further comprises a first digital signature public and private key pair according to a first digital signature protocol and a second digital signature public key according to a second digital signature protocol, wherein the second digital signature protocol is distinct from the first digital signature protocol, to generate a second digital certificate, wherein generating the second digital certificate comprises generating a subject digital signature signing the certificate, the subject digital signature generated as a function of the second digital signature protocol and to provide the first digital certificate and the second digital certificate to a verifying device.
US11374767B2 Key-based authentication for backup service
A method and system for performing authentication for a backup service provided by a server is provided. The method receives a request for authentication from a client device, the request for authentication including a signature generated using a private key. The method sends a request to obtain a public key corresponding to the private key to the server and receives the public key from the server, the public key being retrieved by the server from a backup of a virtual machine. The method verifies the signature using the public key and generates a token encrypted using the public key, the token enabling the client device to access the server for the backup service. The method sends the token to the client device, the token to be decrypted using the private key by the client device.
US11374755B1 Entangled token structure for blockchain networks
A node in a blockchain network may receive a request for information regarding a token, retrieve token information regarding the token from the blockchain network, generate based on the token information, a token connection object (TCO) for the token, wherein the TCO includes a subset of the token information, and send the TCO to a requestor.
US11374750B2 Key recovery using encrypted secret shares
A computing system comprising: processor(s) and memory; at least one network interface communicatively coupled to the at least one processor and configured to communicate with at least one remotely located computing device; wherein the at least one network interface is configured to receive a plurality of public encryption keys from the at least one remotely located computing device; wherein the at least one processor is configured to: split at least one secret into a plurality of shares, wherein at least a subset of the plurality of shares is sufficient to reconstruct the at least one secret; encrypt each of the plurality of shares based on a different public encryption key of the plurality of public encryption keys to create a plurality of encrypted shares; wherein the at least one network interface is configured to communicate the encrypted shares to the at least one remotely located computing device.
US11374748B2 Cache management for encryption key rotation
Disclosed techniques relate to caching tenant encryption keys for a multi-tenant database. In some embodiments, a computing system encrypts data for a database in a multi-tenant database system using encryption keys assigned to respective tenants that are using the database. The computing system may store the encryption keys in a cache and, in response to a key rotation request for a first tenant, invalidate an entry in the cache for the first encryption key of the first tenant. The computing system may block writes for the first tenant until a new key is cached (e.g., based on retrieval from a key management system). In various embodiments, disclosed techniques may reduce encryption latency.
US11374747B2 Vehicular system for processing encryption key and electronic control device
A vehicular system includes a first electronic control device that manages an encryption key, and a second electronic control device that uses the encryption key. The first electronic control device is configured to create the encryption key in response to that an owner of a vehicle has changed, and output the encryption key to the second electronic control device. The second electronic control device is configured to store a first encryption key and a third encryption key, receive a second encryption key, switch the encryption key being used, and update the first encryption key to the second encryption key.
US11374746B2 Time-aware blockchain staged regulatory control of internet of things data
The concepts and technologies disclosed herein are directed to time-aware blockchain staged regulatory control of Internet of Things (“IoT”) data. A federation platform can receive a registration request from an enterprise edge platform to register a blockchain identifier for publication of public data on a public blockchain. The federation platform can determine if the registration request contains any restricted data parameters. In response to determining that the registration request does not contain any restricted data parameters, the federation platform can query a security module to obtain an encryption key. The federation platform can receive the encryption key from the security module. The federation platform can store the encryption key in association with the blockchain identifier and an enterprise edge platform ID that uniquely identifies the enterprise edge platform. The federation platform can return the encryption key to the enterprise edge platform and allow publication of encrypted public data to the public blockchain.
US11374744B2 Threshold scheme enabled symmetric key member deletion
A method of securing, by a managing node, communication in a network of member nodes including a first member node. Communication is secured using a (k, n1) secret sharing scheme during a first phase. The managing node announces a phase shift to a subsequent phase relative to the first phase. The managing node secures communication in the network during the subsequent phase using a (k+x, n2) secret sharing scheme. Each of the member nodes is previously in possession of exactly one corresponding unique share for the second key. The first member node is previously in possession of a first unique share for the second key. The managing node deletes the first member node from the subsequent phase by broadcasting the first unique share for the second key.
US11374742B2 Conversion key generation device, ciphertext conversion device, privacy-preserving information processing system, conversion key generation method, ciphertext conversion method, and computer
A key acquisition unit (411) acquires a decryption key ski in a pair of a conversion source and a public key pkj in a pair of a conversion target, out of a plurality of pairs of a decryption key and a public key. A conversion key generation unit (412) encrypts the decryption key ski acquired by the key acquisition unit (411) with the public key pkj, so as to generate a conversion key rki→j for converting a ciphertext encrypted with a public key pki in the pair of the conversion source into a converted ciphertext that can be decrypted with a decryption key skj in the pair of the conversion target. An output unit (413) outputs the conversion key rki→j generated by the conversion key generation unit (412).
US11374740B2 Controller area network key exchange
A bus-based communication system, may include a communication bus connecting a plurality of nodes. A first node, of the plurality of nodes, may receive a first message on the communication bus, the first message having been broadcast on the communication bus by a second node of the plurality of nodes. The first message may include a modular exponentiation associated with a private key of the second node. The first node may compute a shared secret key, associated with the plurality of nodes, based at least in part on the modular exponentiation and a private key of the first node.
US11374739B2 Methods of proving the immutability of digital records
One example embodiment is a method of proving the immutability of digital records in a first entity. The method includes storing the digital records in a sequence of blocks by the first entity; regularly sending the hash value of the blocks by the first entity to the external party; computing a re-computed hash value of a specific block from the digital records stored at the first entity by a second entity; obtaining a retrieved hash value of the specific block from the external party by mapping a key index by the second entity; and proving that the digital records have not been changed up to the specific block if the re-computed hash value is the same as the retrieved hash value by the second entity.
US11374738B2 Methods and systems for generating, recording and retrieving digital transaction records
Methods and systems are disclosed for recording a transaction between a user and a transaction system on a distributed ledger maintained by nodes interconnected over a peer-to-peer (P2P) network. Where the user has opted in, a block for the transaction is generated with the user's key and is broadcast to the P2P network for validation and entry on the distributed ledger. Where the user has not opted in, device information associated with the transaction is obtained, and a block for the transaction is generated by the device information and is broadcast to the P2P network for validation and entry on the distributed ledger. The device information may be used to locate, retrieve and claim the records of past transactions by the user on the distributed ledger.
US11374728B2 Application of timing advance command in wireless communication device in enhanced coverage mode
Embodiments disclosed herein relate to a method in a wireless communication device that operates in an enhanced coverage mode, the enhanced coverage mode comprising sequential repetition of messages sent from the wireless communication device to a network node. An example method includes: receiving a Timing Advance Command TAC from the network node; and adapting a time at which the TAC is applied, wherein a time difference between the time at which the TAC is applied and a time at which the TAC is received shall be greater than or equal to a specified time depending on a type of the used Radio Access Technology, such that application of the TAC does not occur during a period after a first subframe of a repeated uplink transmission till the end of the repeated uplink transmission.
US11374727B2 Methods and apparatus for configuring TDD operation of a narrowband internet of things communications system
A method for configuring an access node to operate within a time division duplex communications system between the access node and at least one user equipment wherein the time division duplex communications system is a narrowband internet of things time division duplex communications system co-located with a long term evolution communications system network configured to switch a uplink and downlink configuration from frame to frame, the method comprising: generating a channel/signal, the channel/signal comprising information of a uplink and downlink configuration for communication between the access node and the at least one user equipment; mapping the channel/signal to at least one subframe period; and transmitting the channel/signal to the at least one user equipment during the at least one subframe period, such that the channel/signal is received and used by the at least one user equipment to set a uplink and downlink configuration for communication between the access node and the at least one user equipment.
US11374725B2 Multiple power references for high rank transmissions
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to estimate a signal-to-noise ratio for each antenna port associated with a reception of one or more tracking reference signals. The UE may receive one or more of multiple single-port tracking reference signals, a single multi-port tracking reference signal, or a tracking reference signal associated with multiple power ratios. The UE may be able to estimate a channel upon receiving a demodulation reference signal. The channel estimation may be based on the reception of one or more of multiple single-port tracking reference signals, the single multi-port tracking reference signal, or the tracking reference signal associated with multiple power ratios. The UE may communicate with the base station based on estimating the channel.
US11374724B2 Component carrier (de)activation in communication systems using carrier aggregation
This invention relates to the proposal of component carrier (de)activation message that is allowing a activation or deactivation of one or more component carriers in the uplink or downlink. Furthermore, the invention relates to the use of the new component carrier (de)activation message in methods for (de)activation of downlink component carrier(s) configured for a mobile terminal, a base station and a mobile terminal. To enable efficient and robust (de)activation of component carriers, the invention proposes to use component carrier-specific or cell-RNTI(s) for the scrambling of the CRC of the component carrier (de)activation message, and to explicitly indicate the intended recipient of the component carrier (de)activation message in a corresponding field in the message. Furthermore, the invention further proposes different designs of the component carrier (de)activation message and further uses thereof, so as to trigger CQI reporting and/or SRS transmission by a mobile terminal.
US11374723B2 Cross-carrier scheduling activation for a dormant cell
A wireless device receives one or more radio resource control (RRC) messages comprising configuration parameters. The configuration parameters indicate a first secondary cell (SCell) group comprising one or more first cells and a second SCell group comprising a plurality of second cells. The wireless device activates, in a non-dormant state, the one or more first cells and the plurality of second cells. In response to receiving a downlink control information indicating transitioning the first SCell group to a dormant state, the wireless device transitions the one or more first cells to the dormant state and maintains the plurality of second cells in the non-dormant state.
US11374722B2 Method and device used in UE and base station for wireless communication
The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE receives a first signaling in a first time-frequency resource, and receives a first radio signal in a second time-frequency resource; the first signaling is used for indicating K1 target subband(s), the K1 target subband(s) comprise(s) K1 target time-frequency resource(s) respectively, and the second time-frequency resource is one of the K1 target time-frequency resource(s); the first signaling and the first radio signal are both specific to the UE; time domain resources occupied by the first time-frequency resource belong to a first time window. Through the design of the K1 target subband(s), the disclosure guarantees the transmission of important information such as system information and subband indicator signaling on unlicensed spectrum, thereby improving overall performances of the system.
US11374720B2 Determining a length of a timeout period
A method for determining information about a length of a timeout period, which represents a length of time without communication after which a device of a first type becomes unreachable. Information about the timings of successful and unsuccessful message sent to the device(s) of a first type is obtained, alongside information about the timings of messages sent by the device(s) of the first type, and used to calculate the length of a timeout period.
US11374719B2 Method for data detection, and user equipment
The present invention relates to a method for realizing data detection for a physical downlink channel in an Internet of Things, and a user equipment unit. The method for data detection includes: monitoring a first communication channel and a second communication channel; and after start of a period during which the second communication channel is monitored, if monitoring periods of the first communication channel and the second communication channel overlap, performing data detection according to priority levels of the channels, wherein the second communication channel is used to transmit information to a group of user equipment units in one transmission, and the information is acknowledge information transmitted by a base station for acknowledgement of reception of uplink data.
US11374714B2 Group delay timing accuracy in new radio
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a configuration signal from a network entity, the configuration signal indicating a configuration for a first positioning reference signal. The UE may determine one or more properties associated with the first positioning reference signal based on the configuration signal. The UE may bypass at least one portion of a transmit chain associated with a scheduled transmission of the first positioning reference signal or a receive chain associated with a scheduled reception of a second positioning reference signal. The UE may then activate, after an end of the transmission or the reception, the at least one portion of the transmit chain associated with the scheduled transmission of the first positioning reference signal or the receive chain associated with a scheduled reception of the second positioning reference signal.
US11374709B2 Method and apparatus for sending reference signal, and method and apparatus for obtaining reference signal
Embodiments of the present disclosure provide a method and an apparatus for sending a reference signal, and a method and an apparatus for obtaining a reference signal. The method for sending a reference signal includes: determining, based on a resource that is allocated to a reference signal in a basic pattern corresponding to the reference signal and a resource that is allocated to at least one basic pattern in a physical layer transmission unit, a resource occupied by the reference signal in the physical layer transmission unit; and sending the reference signal through the determined resource. It can be learned that, according to the technical solutions provided in the embodiments of the present disclosure, arrangement of the reference signal in the physical layer transmission unit can be flexibly set.
US11374708B2 Communication method and communications apparatus
This application discloses a communication method and a communications apparatus. The method implemented by a terminal includes: determining a configuration mode of one or more pilots used for K repeated transmissions, where in a first configuration mode, the terminal device sends a same pilot in each of first N of the K repeated transmissions, and does not send a pilot in remaining K−N transmissions; in a second configuration mode, the terminal device sends a first pilot in first N of the K repeated transmissions, and sends a second pilot in the remaining K−N transmissions; and in the third configuration mode, the terminal device sends the first pilot in each transmission in a first round of K transmissions, and sends the second pilot in each transmission in a second round of K transmissions; and sending the pilots based on the determined configuration mode when performing the K repeated transmissions.
US11374704B2 Mapping bit positions using predicted error values
Aspects described herein include a method comprising predicting, based on one or more transmission characteristics, error values for a sequence of bit positions used for modulating data within a packet. The method further comprises generating a bitmap that maps one or more payload bits and one or more padding bits of the packet to respective bit positions of the sequence. The one or more padding bits are preferentially mapped to respective bit positions having relatively greater error values. The method further comprises modulating the sequence according to the bitmap.
US11374701B2 User terminal and radio communication method
The present invention is designed so that UL control information can be reported properly in future radio communication systems. A user terminal includes a generation section that generates a UL signal using a resource that is associated with presence or absence of a scheduling request (SR), and a transmission section that transmits the UL signal.
US11374698B2 Physical layer (PHY) data unit format for hybrid automatic repeat request (HARQ)
A wireless communication device generates physical layer (PHY) protocol service data units (PSDUs), and, in response to determining that the PHY data unit is to be transmitted according to a HARQ process, generates HARQ coding units of a common length, each of the HARQ coding units including a respective set of one or more PSDUs, and individually encodes the HARQ coding units. The wireless communication device also generates a HARQ signal field to the included in a PHY preamble of the PHY data unit. The HARQ signal field includes i) a common information subfield to indicate one or more parameters that commonly apply to each of at least some of the one or more HARQ coding units and ii) a respective HARQ coding unit information subfield for each of the HARQ coding units to indicate one or more parameters that apply to only the corresponding HARQ coding unit.
US11374697B2 Feedback method, apparatus, and system
A feedback method, an apparatus, and a system, which relate to the field of communications technologies. The method includes: a terminal device receiving configuration information sent by a network device, where the configuration information is used to indicate K time sequence relationships, the K time sequence relationships are respectively used for HARQ feedback on K downlink frequency domain resources, and K is a positive integer greater than or equal to 2; and the terminal device sending HARQ feedback information to the network device, where a quantity of downlink control channel monitoring occasions corresponding to the HARQ feedback information is determined based on the K time sequence relationships. According to the foregoing solution, the network device and the terminal device have a unified understanding on the HARQ feedback information. In this way, system robustness is improved.
US11374694B2 Transport block size indication for retransmissions in wireless communications
Methods, systems, and devices for wireless communications are described that provide for transport block size (TBS) determination for one or more wireless retransmissions of an initial transmission, in which the initial transmission may not be successfully received at a receiver. The receiver may determine, based on control information received in a retransmission, that the associated initial transmission was lost, and that the retransmission is not able to be decoded at the receiver. The receiver, in such cases, may provide a negative acknowledgment of the retransmission and an indication to the transmitter that the initial transmission was lost. The transmitter, responsive to the indication that the initial transmission was lost, may discontinue retransmitting the transmission, or may transmit additional control information for use in decoding the one or more retransmissions.
US11374692B2 Method and apparatus for managing retransmission counter in wireless communication system
The present invention relates to a method for performing retransmissions by a transmission end in a wireless communication system. In particular, the method includes the steps of: re-transmitting a data unit to a reception end; and increasing a retransmission counter associated with the data unit, when the retransmission counter associated with the data unit reaches to a max value, reporting a max retransmission indication to an upper layer and setting the retransmission counter associated with the data unit to zero.
US11374691B2 Adaptive block acknowledgement negotiations
Examples of block acknowledgement negotiations are described. In an example, a request to establish a BA session is sent by a first computing device (first device) to a second computing device (second device). A timer for receipt of a response to the request is initialized. A BA successful response is received by the first device after the timer has timed out. A request to terminate the BA session is sent by the first device to the second device. After sending the request to terminate the BA session, BA negotiation is reinitiated by the first device based on an updated inactivity timer, so that there are greater chances of successfully establishing a BA session. In an example, if the second device ignores the request to terminate the BA session then it sends a BA reject response to the first device. After receiving the BA reject response, the first device waits for the inactivity timer before reinitiating BA negotiations, so that the second device clears its states thereby increasing chances of successful BA renegotiations.
US11374689B2 Mission-critical communication links for industrial control systems
An industrial control system includes an encryption device, a decryption device and a mission-critical communication link connecting the encryption device to the decryption device. The encryption device is configured to send encrypted messages to the decryption device over the mission-critical communication link. The system includes a failure monitor configured to monitor for a failure of the encryption device or the decryption device, and, in the event of failure, to continue the sending of the messages to the decryption device but without encrypting the messages.
US11374687B2 Data sending method, data receiving method, and related device
This application discloses a data sending method, a data receiving method, and an apparatus. The data sending method includes: if first type data is punctured, preserving, by a network device, a punctured first data subset in the first type data and puncture location information of the first data subset in the first type data, and retransmitting the first data subset within a second scheduling period to a user equipment. In this way, the network device does not need to wait for feedback from the user equipment before the network device can perform a retransmission operation, so that latency of retransmission is reduced. In addition, the network device only needs to retransmit the punctured first data subset within the second scheduling period but does not need to retransmit the entire first type data, so that an amount of data to be retransmitted is reduced and fewer transmission resources are consumed.
US11374685B2 Address filtering in a radio frequency front end of a receiver
A radio frequency (RF) front end receives one or more symbols of a first frame transmitted by a transmitter. The RF front end determines that the one or more received symbols are correlated to one or more address symbols, where the one or more address symbols are each a time-domain signal of subcarriers that the transmitter transmits. The RF front end provides the received one or more symbols to a baseband system based on the correlation. The baseband system recovers bits of a second frame within the first frame based on the received one or more symbols.
US11374681B2 Video quality assessment method and device
A video quality assessment method and device are provided. The video quality assessment method includes: obtaining a to-be-assessed video, where the to-be-assessed video includes a forward error correction (FEC) redundancy data packet; when a quantity of lost data packets of a first source block in the to-be-assessed video is less than or equal to a quantity of FEC redundancy data packets of the first source block, generating a first summary packet for a non-lost data packet of the first source block, and generating a second summary packet for a lost data packet of the first source block; and calculating a mean opinion score of video (MOSV) of the to-be-assessed video based on the first summary packet and the second summary packet. The MOSV calculated according to the method is more consistent with real video experience of a user, so accuracy of video quality assessment can be improved.
US11374680B2 Method and apparatus for performing encoding and decoding in wireless communication system
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4th generation (4G) communication system, such as long term evolution (LTE). The present disclosure provides a method and an apparatus for efficiently performing encoding and decoding of an information bit in a wireless communication system. The present disclosure relates to an operation method of a transmitting terminal in a wireless communication system, the method comprising the steps of: generating padding bits on the basis of information bits; generating an input bit sequence including the padding bits and the information bits; generating a message by encoding the input bit sequence by using a polar code; and transmitting the message.
US11374678B2 Systems and methods for dynamic switching between waveforms on downlink
Systems and methods providing for dynamic switching between the various waveforms on the downlink are described. Embodiments of a dynamic downlink waveform switching implementation may, for example, support utilization of one or more multiple carrier (MC) waveform (e.g., OFDMA) or other high peak to average power ratio (PAPR) waveform and one or more SC (SC) waveform (e.g., discrete Fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM)) or other low PAPR waveform. Dynamic selection of a downlink waveform may be made by an access point based upon various metrics, including relative distance to a served an access terminal and the preference of downlink waveform indicated by a served an access terminal. A downlink waveform selection indication may be signaled from the access point to the served an access terminal using downlink control information (DCI).
US11374675B2 Method and apparatus for modifying channels in an optical medium
In some examples, an optical node includes transition logic to: receive an indication of a data channel to be added across an optical medium, the data channel to occupy a portion of an optical spectrum; in response to a receipt of the indication, divide the data channel into a plurality of sub-channels; and sequentially add each of the plurality of sub-channels across the optical medium in a particular order.
US11374674B2 Passive optical network system, optical line terminal, and optical network unit
The present disclosure relates to passive optical network (PON) systems, an optical line terminal (OLT), and an optical network unit (ONU). One example PON system includes an OLT and at least two ONUs, and the OLT and the ONUs exchange data on one downstream channel and two upstream channels. The OLT sends downstream data to each ONU on the downstream channel, where the downstream data includes an upstream bandwidth grant which is used to control the ONU to send upstream data. Each ONU receives the downstream data on the downstream channel, and sends the upstream data on a first upstream channel or a second upstream channel based on the upstream bandwidth grant included in the downstream data. The OLT receives, on the first upstream channel and the second upstream channel, the upstream data sent by each ONU.
US11374666B2 Noise floor estimation for signal detection
Embodiments of the present disclosure relate to noise floor estimation for signal detection. In example embodiments, a method is provided. The method comprises transforming a received signal into a real-valued plurality of samples based on a predefined signal sequence; determining respective sample thresholds for the samples; detecting for at least one peak sample and/or at least one valley sample in the plurality of samples by comparing the samples with the respective sample thresholds; determining a noise level for based on remaining samples of the samples other than the at least one detected peak sample and/or the at least one detected valley sample; and detecting matching of one of the plurality of samples with the predefined signal sequence based on the noise level. In this way, a more accurate noise estimate is achieved and thus the performance of the signal detection can be achieved.
US11374655B1 Configurable link extender in small form factor
A link extender configured to extend a range of an optical transceiver module is provided. The link extender includes an array of semiconductor optical amplifiers (SOAs) configured to amplify an optical signal received from the optical transceiver module, a first plurality of variable optical attenuators (VOAs) configured to control a power output of the amplified optical signal output from the array of SOAs, and a plurality of dispersion compensation and filtering (DC&F) devices configured to compensate for chromatic dispersion of the optical signal.
US11374653B2 Visible light communication transceiver and visible light communication system
Provided is a visible light communication transceiver. A drive amplification module performs digital-to-analog conversion and amplification on a digital modulation signal to obtain a first electrical signal, and transmits the signal to a Bias Tee-like circuit. The Bias Tee-like circuit transmits the first electrical signal to a LED light source. The LED light source performs electrical-to-optical conversion on the first electrical signal to generate a first optical signal and transmits the first optical signal, and performs optical-to-electrical conversion on a received second optical signal to obtain a second electrical signal. The Bias Tee-like circuit obtains the second electrical signal from the LED light source, and transmits the second electrical signal to an adaptive amplification and equalization module. The adaptive equalization module adjusts a gain of the second electrical signal based on an optical power of the first optical signal.
US11374652B1 Method and apparatus for limited flooding and network routing region membership management
A method and apparatus for routing packets in a network, such as a satellite mesh network. Network nodes maintain awareness of network status in a limited surrounding region through flooding notifications. Network nodes route packets by addressing them to a selected other node within part or the entire limited surrounding region. Network nodes adjust the portion of the network to which they route packets to match the limited surrounding region, which changes dynamically due to network events.
US11374647B2 Mobile communications system, communications terminals and methods for coordinating relay communications
A mobile communications system, methods, and communication terminals. A first of plural communications terminals is configured to determine, based on current communications conditions, one of plural predetermined priority levels representing a relative ability of the first communications terminal to act as a relay node for a second of the plural communications terminals, and to transmit an indication of the determined priority level to the second communications terminals for one of the first or other communications terminals to be selected to act as a relay node for the second communications terminal. The second communications terminal is configured to receive from the first communications terminal the indication of the determined priority level, to receive from the other communications terminals indications of determined priority levels, to select one of the first communications terminals or one or more of the other communications terminals to act as a relay node for the second communications terminal.
US11374645B1 Communicating polarization-dependent information over a free space channel
Communicating polarization-dependent information over a free space channel may include separating a data signal carrying data into a first signal and a second signal each carrying a portion of the data of the data signal, modulating a first carrier signal with the first signal and a second carrier signal with the second signal, radiating the modulated first signal with a first polarization as a polarized first signal over a free space channel, radiating the modulated second signal with a second polarization as a polarized second signal over the free space channel, demodulating the polarized first signal and the polarized second signal, and combining the demodulated first signal with the demodulated second signal to provide an output signal carrying the data of the data signal.
US11374644B2 Group-based beam management
A WTRU may include a memory and a processor. The processor may be configured to receive beam grouping information from a gNB or transmission and reception point (TRP). The beam grouping information may indicate a group of beams that the WTRU may report using group-based reporting. The group-based reporting may be a reduced level of reporting compared to a beam-based reporting. The group-based report may include measurement information for a representative beam. The representative beam may be one of the beams in the group or represents an average of the beams in the group. Alternatively, the representative beam may be a beam that has a maximum measurement value compared to other beams in the group. The group-based report may include a reference signal received power (RSRP) for the representative beam and a differential RSRP for each additional beam in the beam group.
US11374643B2 Beam operation method and device at terminal of beamforming communication system
The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The present disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, health care, digital education, retail business, a security and safety-related service, etc.) on the basis of 5G communication technology and IoT-related technology. A communication method of a terminal of a mobile communication system, according to one embodiment of the present specification, comprises the steps of: acquiring moving speed information of a terminal; determining a reception beam candidate group on the basis of the moving speed information; and determining a reception beam, in the reception beam candidate group, for receiving a signal.
US11374641B2 Grouping devices to reduce latency in round trip time based millimeter wave positioning
Certain aspects of the present disclosure provide techniques for grouping devices to reduce latency in round trip time based millimeter wave positioning. A method that may be performed by a wireless device includes obtaining a status, of the wireless device, within a group including the wireless device, wherein the group comprises a group owner (GO) of the group and one or more members of the group; and participating in a positioning procedure that estimates a position of at least one of the GO or the one or more members according to the status of the wireless device.
US11374638B2 Channel quality indicator report based on demodulation reference signal
Methods, systems, and devices channel quality indicator (CQI) reporting based on demodulation reference signal (DMRS) from a base station are described. In some cases, a base station may configure a user equipment (UE) with such DMRS based CQI reporting (e.g., by transmitting a CQI reporting configuration to the UE). The CQI reporting configuration may specify the UE is to report CQI based on DMRS and, in some cases, may configure the UE to report the CQI with hybrid automatic repeat request (HARQ) feedback. A UE may receive a control message that indicates a resource for reception of a downlink transmission and an uplink control resource for transmission of CQI information. The UE may identify a DMRS of the downlink transmission, calculate a CQI based on the DMRS, and transmit the calculated CQI to the base station via the uplink control resource indicated by the received control message.
US11374637B2 Selecting physical uplink control channel (PUCCH) resources for channel state information
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a set of physical uplink control channel (PUCCH) resources to be used to transmit a channel state information (CSI) payload based at least in part on a first rank that is independent of a second rank used to construct the CSI payload; and transmit the CSI payload, to a base station (BS), using one or more resources from the set of PUCCH resources. Numerous other aspects are provided.
US11374634B2 Method and device for transmitting information
A method and device for transmitting information. The method for transmitting information includes: a digital beam-forming of a receiver is implemented on a received signal; weights of an analog beam-forming of a transmitter are calculated based on weights of the digital beam-forming or channel estimation information of the receiver; and the analog beam-forming of the transmitter is implemented on a signal to be transmitted.
US11374628B2 Method for transmitting feedback information, terminal device and network device
The embodiments of the present disclosure relate to a method for transmitting feedback information and a terminal device. The method includes receiving, by a terminal device, trigger signaling. The trigger signaling is used for triggering the terminal device to send feedback information. The method further includes determining, by the terminal device, to send a first feedback information codebook or a second feedback information codebook according to the trigger signaling. The first feedback information codebook includes feedback information corresponding to at least one downlink channel indicated by the trigger signaling, and the second feedback information codebook is a full codebook.
US11374624B2 Distributed antenna networks for wireless communication by wireless devices
A platform that automates providing wireless communication between one or more of a plurality of antennas and a moving vehicle that is traveling along a path. One or more of the plurality of antennas are employed to detect wireless signals communicated by the vehicle and/or wireless devices for the vehicle's passengers. In one or more embodiments, characteristics of the detected wireless signals and the plurality of antennas is employed to select an antenna to provide wireless communication with the vehicle and/or wireless devices for the vehicle's passengers at a current location on the path.
US11374616B2 User terminal and radio communication method
A terminal is disclosed including a transmitter that transmits an uplink shared channel; and a processor that determines, when frequency hopping is applied to the uplink shared channel, a symbol for a demodulation reference signal of the uplink shared channel based on a mapping type of the uplink shared channel by using a start symbol of each hop as a reference point. In other aspects, a radio communication method is also disclosed.
US11374615B1 Third order intermodulation distortion cancellation
Various embodiments relate to a cancellation circuit configured to generate a cancellation signal, including: an attenuator configured to attenuate a transmitted signal from an aggressor transmitter based upon a first attenuation value; an I/Q demodulator configured to split an attenuated signal into in-phase (I) and quadrature signals (Q); a phase interpolator configured to apply a calibration phase shift and a calibration attenuation to the I signal and Q signal and to recombine the I and Q signals; an auxiliary balun coupled to an output of the phase interpolator; and an auxiliary power amplifier with an input connected to the auxiliary balun configured to generate the cancellation signal, wherein the output of the auxiliary power amplifier is connected to an output of a victim transmitter.
US11374610B2 Radio front end module with reduced loss and increased linearity
A Radio Frequency (RF) circuit including a receive path, a transmit path, a switching circuit, and an output configured to receive RF signals from an antenna in a receive mode of operation, and to provide RF signals to the antenna in a transmit mode of operation. The receive path is configured to be coupled between a low-noise amplifier and the output. The switching circuit is located in the receive path and is configured, in the receive mode, to selectively couple the low-noise amplifier to the output and to pass the received RF signals from the output to the low-noise amplifier. The transmit path is configured to be coupled between a power amplifier and the output, to provide, in the transmit mode, signals from the power amplifier to the output, bypassing the switching circuit, and to have, in receive mode of operation, an off-state impedance of at least 200+j*13 Ohm.
US11374607B1 Protective case for mobile terminal
A protective case for a mobile terminal, includes a shell and a ring assembly, the shell is defined with a mounting chamber for accommodating the mobile terminal, the ring assembly includes a metal ring and a mounting portion, the mounting portion is fixed on the shell, the metal ring is arranged on a side of the shell opposite to the mounting chamber, the metal ring is pivotally connected with the mounting portion through a fixing shaft, the metal ring and the fixing shaft are jointly formed into an annular body, and a nick is defined on the annular body. As the mounting portion is fixed on the shell, the metal ring is arranged on the side of the shell opposite to the mounting chamber, and the metal ring is pivotally connected with the mounting portion through the fixing shaft, the metal ring can hence be firmly connected with the shell.
US11374604B2 Frequency converting cable network signal transmission devices
A network communication device includes an input port configured to receive a downstream signal from a network, a first output port in communication with the input port and configured to receive a first reduced-power version of the signal received at the input port, one or more second output ports, and a converting circuit configured to receive a second reduced-power version of the signal received at the input port, down-convert a high-frequency portion thereof, and produce a down-converted signal. The one or more second output ports receive at least a portion of the down-converted signal.
US11374603B2 DC-coupled SERDES receiver
A receiver includes a first T-coil circuit at an input of the receiver and configured to receive an input signal, a termination impedance coupled to the first T-coil circuit and configured to match an impedance of a transmission line coupled to the first T-coil circuit, and an amplifier including a first input and a second input and configured to amplify a differential signal at the first and second inputs, a calibration switch coupled to the amplifier and configured to selectively electrically connect or disconnect the first and second inputs of the amplifier, and a first receive switch configured to selectively electrically connect or disconnect a center node of the first T-coil circuit and the amplifier.
US11374600B1 System, apparatus and method for mitigating digital interference within radio frequency circuitry
In one example, an apparatus includes: a radio frequency (RF) receiver to receive an RF signal; a media access control (MAC) circuit to receive data and output MAC-processed data according to a clock signal that is phase delayed with respect to a source clock signal when the RF receiver is active; and an interference mitigation circuit to receive the MAC-processed data and provide the MAC-processed data to a physical circuit resynchronized to the source clock signal.
US11374599B2 Circuits for identifying interferers using compressed-sampling
Circuits for identifying interferers using compressed-sampling, comprising: a low noise amplifier (LNA); a passive mixer having a first input coupled to an output of the LNA; a local oscillator (LO) source having an output coupled to a second input of the passive mixer; a low pass filter having an input coupled to an output of the passive mixer; an analog-to-digital converter (ADC) having an input coupled to the output of the low pass filter; a digital baseband (DBB) circuit having an input coupled to an output of the ADC; and a compression-sampling digital-signal-processor (DSP) having an input coupled to the output of the DBB circuit, wherein the compression-sampling DSP is configured to output identifiers of frequency locations of interferers, wherein, in a first mode, the LO source outputs a modulated LO signal that is formed by modulating an LO signal with a pseudo-random sequence.
US11374596B2 Algebraic decoding method and decoder for (n,n(n-1),n-1)-PGC in communication modulation system
The disclosure discloses an algebraic decoding method and a decoder for a (n, n(n−1), n−1) permutation group code in a communication modulation system. The basic principle of the decoding method is: assuming that two code elements p(r1)=s1 and p(r2)=s2 can be correctly detected in a received real vector with a length of n, including their element values s1, s2 and position indices r1, r2 in the vector, an intermediate parameter w is determined by solving an equation (r1−r2)w=(s1−s2)(mod n); and each code element is calculated by w according to p(i)=(s1+(n−r1+i)w)(mod n), i=1, 2, . . . , n. The decoder is mainly composed of multiple n-dimensional registers, a w calculator, n code element calculators, and a code element buffer. In the disclosure, in a case where a receiver only correctly detects two code elements in a transmitted codeword with a length of n, the codeword can be correctly decoded by using the received information of the two code elements.
US11374593B2 Hardware complexity reduction technique for successive cancellation list decoders
A hardware complexity reduction method for successive cancellation list decoders (SCL) is provided. In path pruning stages of an SCL decoding, L paths with smallest path metrics out of 2L candidate paths are chosen as surviving candidate paths as in a conventional SCL algorithm. Moreover, path indexes of L surviving candidate paths are provided in a sorted manner according to indexes at an output of a sorter module. After a path pruning, instead of L-to-1 multiplexers, (L/2+1)-to-1 multiplexers are deployed to perform copying operations of any required elements stored in dedicated registers of the L surviving candidate paths.
US11374589B2 Adaptive analog to digital converter (ADC) multipath digital microphones
Exemplary multipath digital microphone described herein can comprise exemplary embodiments of adaptive ADC range multipath digital microphones, which allow low power to be achieved for amplifiers or gain stages, as well as for exemplary adaptive ADCs in exemplary multipath digital microphone arrangements described herein, while still providing a high DR digital microphone systems. Further non-limiting embodiments can comprise an exemplary glitch removal component configured to minimize audible artifacts associated with the change in the gain of the exemplary adaptive ADCs.
US11374588B1 Method and apparatus to correct ADC gain error induced from temperature drift
An analog to digital converter temperature compensation system comprising a comparator configured to compare an analog input signal to a compensated feedback signal and generate a comparator output. A SAR module processes the comparator output to generate a digital signal. A digital to analog converter, biased by a biasing signal having temperature change induced error, is configured to convert the digital signal to a feedback signal and a detector is configured to detect a signal that is proportional to temperature. A look-up table is configured to receive and convert the signal that is proportional to temperature to a compensation signal such that the compensation signal compensates for the temperature change induced error in the biasing signal. A summing node combines the feedback signal with the compensation signal to create a compensated feedback signal.
US11374586B2 Reducing harmonic distortion by dithering
A digital signal generation assumes that a base frequency (the frequency with which the primitive phase angles are specified relative to) is equal to the carrier frequency for all relevant times. But this causes errors in the digital signals output to each array element transducer. Thus, it is necessary for the development of a signal generation system that is capable of producing a digital signal using the free selection of amplitude and phase. This is used to produce a substantially error-free signal that preserves the amplitude and phase relative to a constant base frequency while allowing the carrier frequency to vary.
US11374585B2 Single-ended linear current operative analog to digital converter (ADC) with thermometer decoder
A high resolution analog to digital converter (ADC) with improved bandwidth senses an analog signal (e.g., a load current) to generate a digital signal. The ADC operates based on a load voltage produced based on charging of an element (e.g., a capacitor) by a load current and a digital to analog converter (DAC) output current (e.g., from a N-bit DAC). The ADC generates a digital output signal representative of a difference between the load voltage and a reference voltage. This digital output signal is used directly, or after digital signal processing, to operate an N-bit DAC to generate a DAC output current that tracks the load current. In addition, quantization noise is subtracted from the digital output signal thereby extending the operational bandwidth of the ADC. In certain examples, the operational bandwidth of the ADC extends up to 100s of kHz (e.g., 200-300 kHz), or even higher.
US11374583B1 Injection locked resonator-based oscillator
Injection locked resonator-based oscillators in accordance with various embodiments of the invention are described. An embodiment includes an injection locked resonator-based oscillator, that includes: an amplifier, a feedback circuit, a delayed locked loop (DLL), an off-chip high-frequency resonator that generates a resonance frequency, a switch connected to a power source Vdd, and a voltage-controlled oscillator (VCO), where an input to the amplifier is connected to both the high-frequency resonator and the DLL to lock a signal, where an output from the amplifier is connected to the feedback circuit that is provided back to the high-frequency resonator.
US11374579B2 Charge pump with load driven clock frequency management
A circuit includes a current controller oscillator generating a CCO output signal at a CCO output, a charge pump boosting a supply voltage based on the CCO output signal and producing a charge pump output voltage at an output, and a current sensing circuit sensing load current at the output and generating a feedback signal having a magnitude that varies with the sensed load current if a magnitude of the sensed load current is between lower and upper load current thresholds. A frequency of the CCO output signal is constant at a lower frequency threshold where the sensed load current is below the lower load current threshold, asymptomically rises to an upper frequency threshold where the sensed load current is above the upper load current threshold, and is proportional to the feedback signal where the sensed load current is between the lower and upper load current thresholds.
US11374578B2 Zero-offset phase detector apparatus and method
A phase detection circuit includes a first phase detection path having a first input to receive a first signal, and a second input to receive a second signal. Asynchronous transition detection circuitry detects an early/late relationship between the first signal and the second signal when at least one of the first signal and the second signal transitions from a first state to a second state. Output circuitry generates a control signal with a value based on the early/late relationship.
US11374576B1 Self-diagnostic counter
In described examples, a counter system includes a counter, a parity detector, a toggle flop, and a comparator. The counter iterates a count through a set of binary states in response to a clock signal, so that a binary value of a single bit of the count changes at each iteration. The parity detector detects the parity of the count. The toggle flop output is coupled to the toggle flop input. The toggle flop outputs a binary flop value. The binary flop value toggles between zero and one in response to the toggle flop input and the clock signal. The comparator compares the parity of the count and the toggle flop output, and outputs a first comparator value if the parity of the count and the toggle flop output are the same, and a second comparator value if the parity of the count and the toggle flop output are different.
US11374573B2 Subthreshold ratioed logic circuit and chip
The present disclosure provides a subthreshold ratioed logic circuit and a chip. The subthreshold ratioed logic circuit comprises a pull-up module, a voltage regulation module, a pull-up PMOS transistor and a pull-down module that is turned on or off corresponding to the pull-up module; the first end of the pull-up module is connected to an external circuit, the second end of the pull-up module is connected to the source of the pull-up PMOS transistor, and a power supply, the third end of the pull-up module is connected to the second end of the voltage regulation module; the first end of the voltage regulation module is connected with a compensation adjustment circuit, and the third end of the voltage regulation module is grounded; the drain of the pull-up PMOS transistor connected to the output of the subthreshold ratioed logic circuit.
US11374572B2 Complementary logic circuit and application to thin-film hybrid electronics
A complementary circuit, including a logic unit which includes pull-up depletion-mode MOS transistors and pull-down depletion-mode MOS transistors and a level shifting circuit coupled to the logic unit.
US11374570B1 Transmitter for transmitting a duobinary signal
A transmitter provides a duobinary signal corresponding to one of level 0, level 1, and level 2 based on first data and second data, and includes a pull-up driving circuit including a plurality of pull-up resistors selectively coupled between a first power source and a transmission node according to the first data and the second data; and a pull-down driving circuit including a plurality of pull-down resistors selectively coupled between the transmission node and a second power source, wherein at least one of the plurality of pull-up resistors is coupled between the first power source and the transmission node both when the first data is activated and when the second data is activated, or at least one of the plurality of pull-down resistors is coupled between the second power source and the transmission node both when the first data is activated and when the second data is activated.
US11374568B2 Semiconductor apparatus including power gating circuits
A semiconductor apparatus may include logic circuits and a control logic. The control logic may be configured to monitor characteristics of the logic circuits to allow the semiconductor apparatus to perform at different operating speeds.
US11374567B2 Circuit for low power, radiation hard logic cell
This invention comprises a new way to connect a control, CK, and data, D, signal into a basic cross-coupled INV pair, and into certain other basic sequential logic circuits, to control the writing in of a new data value, D, into the sequential logic circuit cell. The invention concerns logic circuit in complementary metal-oxide-semiconductor (CMOS) technology. It connects additional p-type and n-type MOSFET devices in a novel manner to accomplish the desired control functions.
US11374561B2 Integrated circuit and method of testing
An integrated circuit includes a first circuit having a loopback path electrically coupled to an inverter and a test circuit having a controller and a counter. The test circuit is electrically coupled to the first circuit, and the controller is configured to select the loopback path. The first circuit is configured to receive a first voltage signal and to generate an oscillating signal from the received first voltage signal. The first voltage signal is either a substantially low logic level signal or a substantially high logic level signal. The counter is configured to count oscillations of the oscillating signal.
US11374560B1 Dynamic cross-coupled regeneration for high-speed sense amplifier
A regeneration circuit includes a first inverting circuit having an input and an output, a second inverting circuit having an input and an output, a first transistor coupled to the input of the second inverting circuit, wherein a gate of the first transistor is configured to receive a first input signal, and a second transistor coupled to the input of the first inverting circuit, wherein a gate of the second transistor is configured to receive a second input signal. The regeneration circuit also includes a first switch coupled between the first transistor and the output of the first inverting circuit, wherein a control input of the first switch is configured to receive a timing signal, and a second switch coupled between the second transistor and the output of the second inverting circuit, wherein a control input of the second switch is configured to receive the timing signal.
US11374559B2 Low power comparator
A low power comparator circuit is provided. The circuit includes a comparator core including a first stage. The first stage has an output configured to provide a digital value. A capacitor includes a first terminal coupled at an input of the first stage and a second terminal selectively coupled to a first input and a second input of the comparator core. A voltage generator is coupled to the first stage. The voltage generator is configured and arranged to generate a first voltage based on a predetermined input current and to limit a maximum current of the first stage based on the predetermined input current.
US11374558B2 Measurement and correction of multiphase clock duty cycle and skew
Methods and systems are described for generating, at a plurality of delay stages of a local oscillator, a plurality of phases of a local oscillator signal, generating a loop error signal based on a comparison of one or more phases of the local oscillator signal to one or more phases of a received reference clock, generating a plurality of phase-specific quadrature error signals, each phase-specific quadrature error signal associated with a respective phase of the plurality of phases of the local oscillator signal, each phase-specific quadrature error signal based on a comparison of the respective phase to two or more other phases of the local oscillator signal, and adjusting each delay stage according to a corresponding phase-specific quadrature error signal of the plurality of phase-specific quadrature error signals and the loop error signal.
US11374557B2 Radio design, control, and architecture
Techniques are described related to digital radio control, partitioning, and operation. The various techniques described herein enable high-frequency local oscillator signal generation and frequency multiplication using radio-frequency (RF) digital to analog converters (RFDACs). The use of these components and others described throughout this disclosure allow for the realization of various improvements. For example, digital, analog, and hybrid beamforming control are implemented and the newly-enabled digital radio architecture partitioning enables radio components to be pushed to the radio head, allowing for the omission of high frequency cables and/or connectors.
US11374554B2 Apparatus and method of implementing a compact and tunable microwave resonator using NbN kinetic inductance
An apparatus and method for implementing a compact and tunable microwave resonator using NbN kinetic inductance, comprising: a DC source, an attenuator, an oxygen-free copper cavity, a superconducting coil, a first-stage amplifier, a second-stage amplifier, a vector network analyzer and a control computer, a small-sized tunable resonator whose size is reduced by 10-20 times as compared with an ordinary thin film microwave resonator is implemented in a microwave frequency band by using high kinetic inductance of an ultra-thin NbN thin film in a superconducting state, the tunability of the resonator lies in that the ultra-thin NbN thin film serves as the LC resonance circuit, a dc-SQUID is connected to the end of the resonator, and a change in the external magnetic field causes a change in the equivalent inductance of the dc-SQUID, thereby changing the total inductance of the resonator and modulating the resonant frequency of the resonance circuit.
US11374552B2 Multiplexer, radio-frequency front-end circuit, and communication device
A multiplexer includes a filter located between a common terminal and an individual terminal, and a filter that is located between the common terminal and an individual terminal and that has a pass band whose frequency is lower than the pass band of the filter. The filter includes serial arm resonators provided on the first path connecting the common terminal to the individual terminal. Each of the serial arm resonators includes a piezoelectric substrate and an IDT electrode which use leaky waves as principal acoustic waves. The occurrence frequency of the Rayleigh wave response of the serial arm resonator is different from that of the serial arm resonator.
US11374550B2 Elastic wave device
An elastic wave device includes first mass adding films provided on a first dielectric film to overlap with first and second electrodes fingers of an IDT electrode when seen from above, extend in a direction in which the first and second electrode fingers extend, and are provided in a center region, and second and third mass adding films that are provided on the first dielectric film and are provided in first and second edge regions, respectively, and a portion of which overlap with at least one of the first and second electrode fingers when seen from above. Dimensions of the second and third mass adding films along an elastic wave propagation direction are larger than a dimension of the first mass adding films along the elastic wave propagation direction.
US11374548B2 Filter circuit for reducing feedback of a consumer on an energy supply
A filter circuit for reducing feedback of a consumer on an energy supply is disclosed. This filter circuit includes a multipolar input, a line choke, and a multipolar output, wherein the input is configured to receive an AC voltage from the energy supply, wherein the output is configured to be connected to the consumer, wherein the line choke includes one coil for each pole of the input, and wherein the coils of the line choke are each connected between one pole of the input and one pole of the output and energy is transferred from the input to the output and/or vice versa. A resonant current suppression (RCS) group is connected in parallel to a coil of the line choke to transmit resonant currents arising at the line choke such that voltage increases generated by the resonant currents are reduced or suppressed by the at least one RCS circuit.
US11374546B2 Automatic volume control for land mobile radio
The present disclosure provides a radio and method for automatically adjusting, in response to ambient noise, the volume setting of a radio. The radio comprises a microphone for receiving ambient audio and generating a microphone signal; a codec for receiving the microphone signal and generating a processor signal representative of the ambient audio; and processor circuitry operable to receive the processor signal, determine an ambient audio level in response to the processor signal, and determine an adjusted radio volume to generate a radio volume control signal, wherein the adjusted radio volume is determined by calculating a difference between a baseline volume level and ambient audio level and adding a current volume level setting, wherein the codec is also operable to receive the radio volume control signal and generate an output signal to adjust the radio volume setting to maintain a net difference between the adjusted radio volume and ambient audio.
US11374542B2 Enhancing speaker protection accuracy
Certain aspects of the present disclosure are generally directed to circuitry and techniques for current sensing. For example, certain aspects provide a circuit for signal amplification including a first amplifier, a second amplifier, and a third amplifier. The circuit also includes a first capacitive element coupled between a first output of the first amplifier and a first input of the third amplifier, a second capacitive element coupled between a second output of the first amplifier and a second input of the third amplifier, a third capacitive element coupled between a first output of the second amplifier and the first input of the third amplifier, and a fourth capacitive element coupled between a second output of the second amplifier and the second input of the third amplifier.
US11374540B2 Cascode amplifier bias circuits
Bias circuits and methods for silicon-based amplifier architectures that are tolerant of supply and bias voltage variations, bias current variations, and transistor stack height, and compensate for poor output resistance characteristics. Embodiments include power amplifiers and low-noise amplifiers that utilize a cascode reference circuit to bias the final stages of a cascode amplifier under the control of a closed loop bias control circuit. The closed loop bias control circuit ensures that the current in the cascode reference circuit is approximately equal to a selected multiple of a known current value by adjusting the gate bias voltage to the final stage of the cascode amplifier. The final current through the cascode amplifier is a multiple of the current in the cascode reference circuit, based on a device scaling factor representing the relative sizes of the transistor devices in the cascode amplifier and in the cascode reference circuit.
US11374538B2 Apparatus and methods for envelope tracking
Envelope tracking systems for power amplifiers are provided herein. In certain embodiments, an envelope tracker supplies power to a power amplifier that amplifies an RF signal. The envelope tracker includes a multi-level switching circuit that generates an output current based on an envelope signal indicating an envelope of the RF signal. The envelope tracker further includes a combiner that combines a DC voltage with the output current of the multi-level switching circuit to generate a power amplifier supply voltage for the power amplifier. Accordingly, the output current of the multi-level switching circuit and a DC voltage are combined to generate the power amplifier supply voltage. Implementing the envelope tracking system in this manner can provide enhanced efficiency and/or higher bandwidth relative to an envelope tracking system in which a multi-level switching circuit directly outputs a power amplifier supply voltage.
US11374533B2 Solar power generation paddle, method of manufacturing the same, and space structure
A solar power generation paddle includes a blanket that is stored by being taken up into a roll with using extension masts, and that is extended. Solar battery cells are disposed on one surface of the blanket, and thermoelectric conversion elements are disposed on the other surface of the blanket. A plurality of heat dissipation members are disposed on surfaces of the thermoelectric conversion elements which are opposite to surfaces near the blanket, along an extending direction, to cover the thermoelectric conversion elements.
US11374528B2 High power battery-powered system
An electrical combination, a tool system, an electric motor, a battery pack, and operating and manufacturing methods. The tool may include a tool housing, a motor supported by the tool housing, the motor having a nominal outer diameter of up to about 80 millimeters (mm), the motor being operable to output at least about 2760 watts (W), and a tool terminal electrically connected to the motor; a battery pack including a pack housing defining a volume of the battery pack, the volume being up to about 5.2×106 cubic millimeters (mm3), battery cells supported by the pack housing, the battery cells being electrically connected and having a nominal voltage of up to about 80 volts (V), and a pack terminal electrically connectable to the tool terminal to transfer current between the battery pack and the tool; and a controller operable to control the transfer of current.
US11374525B2 Motor driving apparatus and air conditioner using the same
A motor driving apparatus for driving a motor, the apparatus being connected to the motor by first, second, and third connection lines respectively corresponding to first, second, and third phases, the apparatus including: an inverter converting direct-current voltage into three-phase alternating-current voltage by using first, second, and third switching element pairs respectively connected to the first, second, and third connection lines, and outputting the three-phase alternating-current voltage to the motor; a voltage detection circuit detecting a first voltage based on a potential difference between a potential of the first connection line and a reference potential; and a control unit calculating a voltage value of the direct-current voltage based on the first voltage during a first period in which an upper-arm switching element of the first switching element pair is on, controlling operation of the inverter according to the voltage value, and changing the first period according to the voltage value.
US11374524B2 Power source control circuit
In order to restrain damage of a component due to rush current, a main relay in a power source circuit is not turned on and does not conduct a power source line even when a heat source microcomputer is activated with a capacitor not sufficiently charged. This configuration avoids start of charging the capacitor without current limitation, to restrain damage of the component due to rush current.
US11374523B2 Electric motor drive device and outdoor unit of air conditioner
An electric motor drive device includes: a main substrate mounted with a power supply circuit that generates, on the basis of alternating-current power supplied from an alternating-current power supply, a drive power to drive a compressor motor; a plurality of connection switching relays that perform switching between connections for the compressor motor; a small substrate mounted with the connection switching relays; a relay drive circuit that switches the connection switching relays; lead wires that connect the compressor motor and the small substrate to the power supply circuit; and lead wires that connect the small substrate and the compressor motor.
US11374520B2 Field-oriented sensorless brushless motor control in a power tool
A power tool is provided including a housing, a brushless motor disposed within the housing, a power switch circuit that supplies power from a power source to the brushless motor, and a controller configured to receive at least one signal associated with a phase current of the motor, detect an angular position of the rotor based on the phase current of the motor, and apply a drive signal to the power switch circuit to control a commutation of the motor based on the detected angular position of the rotor. If the supply of power to the motor is turned OFF to cause the motor to slow down and is turned back ON while the rotor speed exceeds a speed threshold, the controller electronically brakes the motor for a time interval to measure the phase current of the motor and detects the angular position of the rotor based on the measured phase current.
US11374514B2 Sensorless variable conduction control for brushless motor
A power tool is provided including a brushless motor having a stator defining a plurality of phases and a rotor. A power unit is provided including power switches and a control unit outputs a drive signal to the motor switches to drive the phases of the motor using a trapezoidal control scheme over a series of sectors. The control unit sets a conduction band within which each phase is commutated to a baseline value that is greater than 120 degrees, sets at least one commutation transition point as a function of the set conduction band, and within each sector, monitors an open-phase voltage of the motor to detect a back electromotive force (back-EMF) voltage of the motor and control commutation of at least one phase based on the open-phase voltage of the motor in relation to the at least one commutation transition point.
US11374513B2 Motor control circuit with degauss filter
A system for controlling a motor includes a motor having a plurality of phases, each phase comprising a coil having a first end coupled to a motor neutral point. A motor driver circuit is coupled to a second end of each coil to provide power to each coil. A motor controller circuit is coupled to the motor driver circuit to control the power that is provided to the motor. A comparator is coupled to compare a voltage at the motor neutral point to a voltage at the second end of each coil to detect a back-EMF polarity and produce a polarity signal representing the back-EMF polarity. A back-EMF filter circuit is coupled to receive the polarity signal and invert the polarity signal if the polarity signal does not match an expected value.
US11374507B2 Vibrational energy harvester device
The present invention enables frequency response in a wide band without lowering the Q value. This vibrational energy harvester device is provided with: a movable part capable of vibration in a vibration direction as a result of mechanical vibrational energy applied from the exterior, said movable part being provided with a first surface along the vibration direction; and a fixed part provided with a second surface facing the first surface of the movable part with an interval therebetween, said fixed part being configured so as to be positionally fixed even against vibrational energy. A plurality of projections protruding in a direction orthogonal to the vibration direction are formed so as to be arranged like comb teeth in the vibration direction on each of the first surface of the movable part and the second surface of the fixed part. An electret film is formed on at least the first surface of the fixed part or on at least the second surface of the movable part. The vibrational energy harvester device is configured so that the spring rate of the movable part is modulated as a function of the position of the vibration direction by electrostatic force acting between the movable part and the fixed part.
US11374499B2 Power transformer for minimum noise injection in between primary and secondary winding “rompower active shield”
A system for reducing common-mode noise includes a switch mode power supply having primary and secondary sides, primary and secondary side grounds, an input voltage source, a primary switch, a transformer, a core, and a power output. The primary and secondary sides each have a quiet termination. The transformer includes a primary winding, a secondary winding, and an active shield winding between the primary and secondary windings. The active shield winding has two terminations, is wound in a same direction as the secondary winding, and occupies a same axial position on the core as the secondary winding. One of the terminations of the active shield winding is connected to the quiet termination of the primary side, so that the terminations of the secondary winding and the active shield winding that are adjacent each other carry alternating voltages of a same polarity and a same amplitude.
US11374496B2 Driver for a circuit with a capacitive load
A driver for a circuit with a capacitive load is configured for coupling to a voltage source which provides a DC input voltage, and is configured to generate an output voltage at an output. The driver includes a bidirectional synchronous power converter with a first switch, a second switch, and an inductive device connected to the first and/or second switch. A controller is configured to control the first switch and the second switch. The bidirectional synchronous power converter generates a switching voltage from the input voltage at a switching node and generates the output voltage having an analog voltage waveform with a peak amplitude of at least twice the input voltage.
US11374486B2 Power supply with flexible control and the method thereof
A power supply having at least one PMIC provides flexible control to the power manage systems. The PMIC has an enable pin configured to receive a control signal, and a clock pin configured to generate and/or receive a series of clock pulses, so as to facilitate the operation of the PMIC.
US11374485B2 Filter unit and frequency inverter
A filter unit is intended to be connected between an inverter and an electric motor. The filter unit includes: a number of phase connections for connecting to corresponding phase connections of the inverter; a first DC link connection for connecting to a first DC link connection on the inverter and a second DC link connection for connecting to a second DC link connection on the inverter; a number of motor connections for connecting to corresponding connections on the electric motor; a number of filter elements for reducing a rate of voltage rise at the motor connections of the filter unit, filter element is connected between corresponding phase connections of the filter unit and corresponding motor connections of the filter unit; and a coupling unit, which couples the filter elements capacitively with the first DC link connection and the second DC link connection of the filter unit.
US11374484B2 Inductor current emulation for output current monitoring
A multi-phase power supply includes a plurality of phase controllers each driving a first terminal of a respective inductor alternatively between an input voltage and a ground voltage to regulate an output voltage in a work mode, keeping the first terminal of the respective inductor in a high impedance state during a non-work mode, having an input for receiving an enable signal for selecting between the work mode and the non-work mode, and generating a current monitor signal to represent a current through the respective inductor during both the work mode and the non-work mode, and a controller coupled to each phase controller for selectively enabling respective ones of the phase controllers in response to a load demand, receiving the current monitor signal from each phase controller, and selectively shutting down the multi-phase power supply when a total of current monitor signals from the phase controller exceeds a threshold.
US11374482B2 Dual-modulation power management circuit
The present disclosure relates to a dual-modulation power management circuit (PMC), which includes a first tracking amplifier coupled to a first voltage port and configured to contribute to a first modulated voltage at the first voltage port, a second tracking amplifier coupled to a second voltage port and configured to contribute to a second modulated voltage at the second voltage port, a charge pump, a power inductor, and a low-dropout (LDO) switch unit. Herein, the power inductor is configured to induce an output current, which is based on a boosted voltage generated by the charge pump, toward the first voltage port. A first portion of the output current is eligible to flow through the LDO switch unit from the first voltage port to the second voltage port. The first modulated voltage is not smaller than the second modulated voltage over time.
US11374481B2 Magnetic coupling device
A magnetic coupling device (1) is provided for coupling a first member (10) and a second member (11), coaxial with each other, so that they can jointly rotate about a common axis and/or translate along such axis or can perform relative rotary and/or translatory movements depending on the intensity of a torque or an axial force applied to one of the members. At least one of the members (10) has axially extending magnetized areas (12) each consisting of a row of axially aligned magnets (12′), the magnets (12′) in one area (12i) being axially offset relative to the magnets of an adjacent area (12j).
US11374478B2 Stepping motor
A stepping motor has a relationship between an outer diameter of a rotor and an outer diameter of a bearing made of magnetic material that can be adjusted appropriately so as to impart magnetic attractive force to the bearing, the stepping motor including a rotor 400 made of a permanent magnet, a stator 500 including multiple pole teeth 223, 243, 323 and 343 extending in an axial direction of the rotor arranged at an outer circumferential side of the rotor 400, a bearing 250 rotatably supporting one end portion in the axial direction of the rotor 400, and a bearing 260 rotatably supporting the other end portion in the axial direction of the rotor 400. Magnetic permeability of the bearing 260 is greater than that of the bearing 250, the rotor 400 includes multiple magnetic poles on an outer circumferential surface along a circumferential direction of the rotor 400, and an outer diameter DR of the rotor 400, an outer diameter DB of a portion of the bearing 260 which is facing the rotor 400, and an inner diameter DSI of the stator 500 are set to satisfy the following relationship of formula 1 DR
US11374475B2 Motor and washing machine having the same
A motor of the invention includes a stator having a slot wound with a coil and a circular shaped housing accommodating the stator, and a rotor disposed on an inner surface of the housing and spaced apart from the slot and having a plurality of permanent magnets having the same number as magnetic poles and having different magnetic polarities. Each of the plurality of permanent magnets has a length corresponding to a first angle according to the number of magnetic poles. The plurality of permanent magnets are spaced apart from each other at a third angle according to the first angle and a second angle corresponding to the number of magnetic poles. The first, second, third angles of the motor refer to a center point of the housing as an angle reference point. The motor of an embodiment may be a motor provided in a washing machine.
US11374473B2 EC motor for an electric hand tool and method for producing a rotor for an EC motor
An EC motor for an electric hand tool having a stator in which a rotor is rotatably mounted, which comprises a rotor lamination stack, which has a passage opening and is formed of individual laminations, and a rotor shaft which is cast in the passage opening of the rotor lamination stack by means of a casting compound, and having a plurality of permanent magnets, which are received in the pockets formed in the rotor lamination stack. An annular channel, which is connected to the pockets in a fluid-conducting manner via radial channels, each of which is formed of a plurality of channel sections formed in adjacent laminations of the rotor lamination stack, is formed between the rotor shaft and the wall of the passage opening for supplying the casting compound from the annular channel to the pockets. A method is also provided for producing a rotor for an EC motor.
US11374472B2 Device for loading and separating magnets for an energy motor rotor
The magnetic steel loading and separating device is used for separating magnetic steel strips and large plastic spacers of a magnetic steel plate, and includes a material case, a material pushing mechanism and a material separating mechanism. The material case includes a case body for accommodating the magnetic steel plate, and a discharge port is formed in a side wall of the case body. The material pushing mechanism is used for successively pushing the magnetic steel strips and the large plastic spacers of the magnetic steel plate out of the material case via the discharge port, wherein a discharge position and a take-up position that are provided for the magnetic steel strip are formed outside the material case. The material separating mechanism includes a magnetic steel pushing block that reciprocates between the discharge position and the take-up position of the magnetic steel strip.
US11374471B2 Method of manufacturing core product
A method of manufacturing an core product includes heating the resin pellet at a temperature higher than 25° C. for 24 hours or longer, the resin pellet being formed of a thermosetting resin composition including epoxy resin, a curing agent, accelerator, and a release agent. The method includes holding a core body having a resin formation region, which is a region in which a resin is to be formed by injection of a melted resin, between a pair of holding members, and disposing the heated resin pellet in a resin pot formed in at least one of the pair of holding members. Additionally, the method includes melting the resin pellet in the resin pot and injecting the melted resin into the resin formation region through a resin channel extending from the resin pot in communication with the resin formation region, and curing the melted resin injected into the resin formation region.
US11374467B2 Air pre-cleaning assembly and electric tool having same
An air pre-cleaning assembly includes a motor that has a stator and a rotor shaft assembly configured with a fan. The motor is disposed at the upstream of the fan, and rotation of the fan is configured to yield an air flow passing through the motor. A cyclone separating element on the upstream path of the air flow on the motor includes an air inlet, a separating chamber, a dust collecting chamber, and an air outlet. The separating chamber is communicated with the air inlet. The dust collecting chamber is communicated with the separating chamber and located at its outer periphery. The air outlet is communicated with the separating chamber and located at its inner periphery. The motor is located at the downstream of the air outlet. The cyclone separating element allows clean air filtered by cyclone filtering to pass through the motor via the air outlet.
US11374462B2 Brushless motor for a power tool
A Brushless Direct-Current (BLDC) motor is provided for a power tool, including a stator comprising a coil, a rotor configured to rotate with respect to the stator, terminals secured to the stator, and a sensor circuit mount attached to the stator. The sensor circuit mount defines a plane having a first side and a second side, the sensor circuit mount including Hall sensors mounted on the first side of the plane of the sensor circuit mount facing the stator. Power-supply lines are secured to the terminals to supply electric current to the coil, the power-supply lines being routed from the terminals without traversing the second side of the plane of the sensor circuit mount. The sensor circuit mount is attached to the stator by at least one fastener that extends through an opening of the sensor circuit mount and a receptacle of the stator.
US11374454B2 Dynamo-electric machine having coils insulated by semi-conductive layers with release treatment
A dynamo-electric machine with discharge reduced in a core slot without relation to a position of a stator coil placed in the core slot is provided. For that purpose, the present invention includes: a stator coil including a coil conductor and a main insulation layer covering a surface of the coil conductor; a core slot containing the stator coil; a first semiconducting layer that is placed between the stator coil and the core slot and is wrapped around and in contact with the main insulation layer; and a second semiconducting layer that is wrapped around the stator coil and in contact with the core slot, with the second semiconducting layer overlaid on the first semiconducting layer. The first semiconducting layer has a surface facing toward the core slot and a release layer is formed on the surface facing toward the core slot. The first semiconducting layer has electric connection with an inner peripheral surface of the core slot via the second semiconducting layer.
US11374453B2 Winding system for a stator of an electric machine and electric machine
A winding system for a stator of an electric machine is specified. The winding system comprises at least two first conductor segments and at least two second conductor segments, at least two half-bridges, at least one first short-circuit means and at least one second short-circuit means. Each half-bridge is connected to least one first conductor segment and one second conductor segment, each first conductor segment is connected to the first short-circuit means, and each second conductor segment is connected to the second short-circuit means. Further, an electric machine having a winding system is specified.
US11374450B2 Magnetic element holding device
A magnetic element holder (1) of an electric motor has a carrier formed as a frame structure. The carrier has at least one receiving section (2) to receive at least one magnetic element (6). The carrier is configured with a holding device (3) for positionally fixed holding the at least one magnetic element (6) inside the at least one receiving section (2). The magnetic element holder (1) is configured to be fastened to a rotor (100) of an electric motor.
US11374449B2 Permanent-magnet spindle motor
A permanent-magnet spindle motor includes a rotor in which a plurality of magnet units have a specific spatial configuration that results in a concentrated magnetic flux and consequently a high rotation speed. Each magnet unit has two first magnets and two magnetic barrier spaces, wherein the first magnets are provided in the tubular rotating shaft of the rotor mirror-symmetrically with respect to an axis of mirror symmetry defined by a diameter of the rotating shaft, and wherein each of the magnetic barrier spaces is formed as a hole, penetrates the rotating shaft along the axial direction thereof, is open at the two axial ends of the rotating shaft, is located between the outer periphery of the rotating shaft and one of the first magnets, and is adjacent to the distal end (with respect to the axis of mirror symmetry) of the one of the first magnets.
US11374446B2 Pole shoe, electric motor, and vehicle
A pole shoe of an electric machine limits a winding surface of a rotor that can rotate about an axis of rotation. The pole shoe is connected to a pole web of the rotor. An outer side of the pole shoe, which faces away from the pole web in the connected state, has a first region having a substantially sinusoidal contour profile and a second region having a second contour profile. The second contour profile is different from the first contour profile and is formed in such a way that the winding surface in a circumferential direction of the rotor is lengthened with respect to a winding surface of a pole shoe having an outer side extending exclusively substantially sinusoidally.
US11374445B2 Stator unit of rotary electric machine
A stator unit of a rotary electric machine, which includes a stator including a stator core in which a plurality of slots are formed at predetermined intervals in a circumferential direction; and a stator coil inserted into the slots and having a coil end portion protruding from at least one end surface of the stator core; a stator holder disposed to surround an outer peripheral surface of the stator core and supporting the stator; and a refrigerant guide portion disposed above the coil end portion and configured to supply a first refrigerant to the coil end portion. The refrigerant guide portion protrudes from an end surface of the stator holder to above the coil end portion and is integrally formed with the stator holder.
US11374442B2 Multi-tunnel electric motor/generator
Disclosed are various embodiments for a new and improved electrical motor/generator, specifically a motor/generator comprising: a plurality of coils radially positioned about a coil assembly, a plurality of magnetic tunnels forming a relative rotational path for the coil assembly, wherein the all of plurality of magnets forming each magnetic tunnel have like poles facing inward toward the interior of the magnetic tunnel or facing outward away from the interior of the magnetic tunnel such that each magnetic field of any magnetic tunnel is of an opposite polarity to the magnetic field of an adjacent magnetic tunnel.
US11374440B2 Wireless power charging
A current sensing circuit and a minimum operating frequency for a wireless power transmission system is presented. A method of measuring current through a wireless power transmit coil, includes receiving a signal from a switching circuit into a sampling circuit; filtering the sampled signal from the sampling circuit; biasing the filtered sampled signal, wherein the biasing occurs only when the sampling circuit is active; and amplifying the biased signal to provide a transmit coil current signal. A method of measuring current through a wireless power transmit coil, includes receiving a signal from a switching circuit into a sampling circuit; filtering the sampled signal from the sampling circuit; biasing the filtered sampled signal, wherein the biasing occurs only when the sampling circuit is active; and amplifying the biased signal to provide a transmit coil current signal.
US11374439B2 Electronic device and control method
An electronic device includes a case body, a wireless transmission circuit, a voice processing circuit, a control circuit, and a wireless charging circuit. The case body is configured to hold an external electronic device. The wireless transmission circuit is configured to wirelessly connect the external electronic devices. The voice processing circuit is configured to generate a voice command according to a voice signal, and transmit the voice command to the external electronic devices. The wireless charging circuit is configured to couple the external electronic device to receive a first voltage, and convert the first voltage to a storage voltage to supply power to the control circuit, the wireless transmission circuit, and the voice processing circuit.
US11374433B2 Method for operating a circuit for generating an electromagnetic field, and circuit
The invention relates to a method for operating a circuit for generating an electromagnetic field for inductive energy transmission, wherein an inverter for providing an AC voltage is operated at a first clock frequency, wherein operation at an additional clock frequency is superimposed on the operation at the first clock frequency; and a circuit.
US11374432B2 Electronic device for wirelessly charging external electronic device
An electronic includes: a housing including a first plate, a second plate, and a side member; a display; a conductive coil parallel to the second plate and disposed between the display and the second plate; a wireless charging circuitry electrically connected to the conductive coil; and a processor operatively connected with the display and the wireless charging circuitry. The wireless charging circuitry receives a signal for wirelessly transferring power to an external electronic device from the processor, receives information about the external electronic device, receives a power control signal from the external electronic device via the conductive coil, applies a charging current of a first frequency to the conductive coil based at least in part on a request signal, increases a frequency of the charging current, compares the increased frequency with a first value, and adjusts a duty cycle of the charging current.
US11374430B2 Device for the emergency supply of a high voltage onboard network
A device for emergency supply of a high voltage onboard network, in particular for the emergency load lowering of a work machine such as a crane or a cable excavator, comprising a high voltage onboard network having an electrical drive unit and a primary DC energy source for supplying the electrical drive unit with energy; a low voltage onboard network, preferably a 12 V, 24 V, or 48 V onboard network, having a low voltage rechargeable battery for taking up and outputting energy, wherein the high voltage onboard network and the low voltage onboard network are connected via a DC/DC converter to allow an energy flow from the high voltage onboard network in the direction of the low voltage onboard network. The DC/DC converter is preferably a bidirectional DC/DC converter to permit an energy flow from the low voltage onboard network in the direction of the high voltage onboard network.
US11374428B2 Mechanical renewable green energy production
A renewable energy generation system includes a drive motor, a flywheel in mechanical communication with the drive motor, a generator in mechanical communication with the flywheel, a charge controller in electrical communication with the generator, a plurality of charge controller switches in electrical communication with the charge controller, a plurality of batteries in electrical communication with a respective charge controller switch, and a power management module in electrical communication with the plurality of charge controller switches. The drive motor effectuates rotation of the flywheel to generate stored rotational energy which is transferred to the generator as a load is placed upon the generator to maintain a constant speed of the drive motor. The power management module selectively opens or closes a charge controller switch to permit or inhibit the flow of electrical energy to a respective battery to reduce the electrical load placed upon the generator and drive motor.
US11374423B2 Battery charger performing zero-crossing control
A battery charger includes a plurality of rectifier, a plurality of switches respectively for the plurality of rectifier elements, a zero-crossing detector, a switch controller, and a detection reference changer. The plurality of rectifier elements rectify AC voltages of three phases output from a power generator. The plurality of rectifier elements, in an off-state, causes the plurality of rectifier elements to rectify the AC voltages to charge a battery. The plurality of rectifier elements, in an on-state, causes the AC voltages to be short-circuited to a negative side of the battery. The zero-crossing detector detects zero-crossings of the AC voltages. The switch controller outputs, based on the zero crossings, a gate signal for turning on and off the plurality of switches. The detection reference changer changes a reference for the zero-crossing detector to detect the zero crossings.
US11374418B2 Multi-battery analyzing server based on an integrated battery
A system for dealing with rechargeable batteries, including a computerized server, a monitoring circuit installed in a rechargeable battery and configured to periodically sample the status of the rechargeable battery and communicate the sampled information to the server, wherein the server analyzes the sampled information from the monitoring circuits of one or more rechargeable batteries and provides instructions for dealing with each rechargeable battery to a communication device of an administrator in charge of dealing with each rechargeable battery.
US11374415B2 Aerial vehicle fleet maintenance systems and methods
Systems and methods to maintain a fleet of aerial vehicles may include a maintenance system, a charging power source, and a control system. For example, the maintenance system may include a plurality of workstations to perform maintenance tasks, a charging rail that connects the workstations with the charging power source, and a plurality of platforms that move along the charging rail. The control system may instruct a platform to receive an aerial vehicle, couple the aerial vehicle to the charging rail, move the aerial vehicle among the workstations, and charge a battery of the aerial vehicle via the charging rail during movement and/or performance of various maintenance tasks.
US11374412B2 Furniture power management system
A power source resident in furniture provides power to at least one charging port or socket used to provide power to an electronic device. The furniture may be an articulated furniture having at least one motor. The furniture may have at least one type of switch that manages the power to the charging port. The switch may reduce wasted energy consumption due to heat lost at the charging port.
US11374405B2 Communication-based permissive protection scheme for power distribution networks
A communication-based permissive protection method for protecting an electrical power distribution network from a fault. The network includes a power source, an electrical line and a plurality of fault interrupters, where the fault interrupters are operable to prevent current flow in response to the fault. The method includes detecting the fault by each fault interrupter that is between the fault and the power source, and sending a drop of voltage message from each fault interrupter that doesn't detect the fault, but does detect a drop of voltage as a result of the fault to its immediate upstream fault interrupter. The method opens the fault interrupter that both detects the fault and receives a drop of voltage message from all of the fault interrupters immediately downstream of that fault interrupter.
US11374400B2 Topology of a solid state power controller with two mid-capacitors
A bi-directional direct current (DC) solid state power controller (SSPC) architecture and control method. The SSPC protects a DC distribution system by isolating both the positive and negative buses independently in case of short circuit or ground fault. The SSPC architecture includes two self-heal interleaved capacitors and includes a fast, soft-charging control technique that provides line-isolated charging of the DC bulk capacitor to avoid inrush current when powering up the DC distribution system. The soft-charging function alternately charges one of the two interleaved capacitors, while the other capacitor discharges to the DC bulk capacitor. Repetitive switching results in a charging and discharging process that increases the voltage of the DC bulk capacitor prior to powering up the DC distribution system, while keeping the DC power source isolated from the load.
US11374397B2 Power supply device and abnormality detection method for AC power supply
A switch is connected between an AC power supply and a load. A controller detects an abnormality of the AC power supply by detecting an instantaneous value of a three-phase AC voltage supplied from the AC power supply, when the switch is on. Based on an instantaneous value of the three-phase AC voltage detected at a first time and a first threshold value preset for a peak value of the three-phase AC voltage, the controller estimates a second threshold value for an instantaneous value of the three-phase AC voltage at a second time having a prescribed time difference from the first time. The controller detects the abnormality of the AC power supply by comparing the estimated second threshold value with the instantaneous value of the three-phase AC voltage detected at the second time. The controller turns off the switch when the abnormality of the AC power supply is detected.
US11374396B2 Devices for active overvoltage protection
A circuit protection device is provided. The circuit protection device includes an active energy absorber that is coupled between two power lines in an electrical power distribution system and is configured to selectively conduct fault current responsive to overvoltage conditions. The active energy absorber includes an overvoltage protection module that includes two thyristors that are connected in anti-parallel with one another and a varistor that is connected with the overvoltage protection module as a series circuit. The series circuit including the varistor and the overvoltage protection module is connected between the power lines.
US11374391B2 Electrical AC/DC converter arrangement with an AC circuit breaker, and a method for disconnecting an AC/DC converter arrangement
An electrical AC/DC converter arrangement includes: an AC circuit breaker; a rectifier; at least one smoothing capacitor; at least one first isolating relay for electrical isolation; at least one first current sensor; and a control and monitoring unit. An input of the AC circuit breaker forms an AC input of the arrangement. An output of the AC circuit breaker is connected, at least indirectly by a circuit, to an input of the rectifier. The at least one smoothing capacitor connects a first output of the rectifier to a second output of the rectifier. The first output of the rectifier is connected, at least indirectly by a circuit, to an input of the at least one first isolating relay. An output of the at least one first isolating relay forms a first DC output of the arrangement and connects a DC network to at least one first DC load.
US11374390B2 Explosion-proof assembly and method for producing same
The invention relates to an explosion-proof assembly (20) designed to guide at least one conductor device (21) through a wall in a flameproof manner. The assembly (20) has a bushing part (24) with a bushing opening (48) having a bushing surface (49). The bushing part (24) is arranged in the wall. The bushing opening (48) has an associated connecting body (23) with at least one conductor channel (29) through which a conductor device (21) extends. The connecting body (23) has a connecting portion (30), which is connected to the conductor (22) in a frictionally engaged and/or form-fitting manner by plastic deformation. A first delimiting surface (32) is formed on the plastically deformed connecting portion (30), and the bushing surface (49) defines a second delimiting surface (33). A flameproof Ex gap (34) is formed between the two delimiting surfaces (32, 33) by inserting the connecting portion (30) into the bushing opening (48).
US11374389B2 Stabilizing brackets for electrical boxes
The present disclosure relates to electrical box assemblies and universal stabilizing brackets that can be used to stabilize electrical boxes attached to different size wall studs. The electrical box assemblies include an electrical box and a stabilizing bracket. Each stabilizing brackets includes a base, a front stop, a rear stop and one or more rear stop segments. The front and rear stops and the rear stop segments include a face member that extends substantially perpendicularly relative to the base. One or more notches are positioned at a junction between each rear stop to facilitate the breaking away of rear stop segments to modify the length of the stabilizing bracket.
US11374387B2 System supporting variable speed drive
The invention provides the system supporting variable speed drive comprising a three-sided service cabinet embodiment. The cabinet comprising two heat exchange circuits limited by the basic elements of the cabinet embodiment, the first of which is configured to interact with an external environment and with the second heat exchange circuit, wherein the second heat exchange circuit which is configured without an ability to interact with the external environment includes a sealed cell for installing power electronics and the cell for installing a power connection and the cell for installing a measurement equipment. The cabinet comprising a dust and moisture filter, a plate heat exchanger, and a moisture removal device. The cabinet may be assembled with joined end-to-end metal sheets with curved joined ends which form strengthening ribs. The system supporting variable speed drive further comprising a cell for installing a passive filter or a filter compensation device or a capacitor bank preconfigured for compliance with variable speed drive and configured in such a way that it is dismountable in a form of a cabinet of the same height and depth as the cabinet of variable speed drive and closely aligned with the cabinet of variable speed drive. The cell for installing a power connection located on a side of the cell for installing a passive filter or a filter compensation device or a capacitor bank, wherein all connections between the cabinet of variable speed drive and the cell for installing a passive filter or a filter compensation device or a capacitor bank are made in the internal part of the embodiment.
US11374384B2 Light-emitting device and method of manufacturing light-emitting device
A light-emitting device according to an embodiment of the present disclosure includes a laminate. The laminate includes an active layer, and a first semiconductor layer and a second semiconductor layer sandwiching the active layer. This light-emitting device further includes a current constriction layer having an opening and a vertical resonator including a first reflecting mirror having a concave-curved shape on the first semiconductor layer side and a second reflecting mirror on the second semiconductor side. The first reflecting mirror and the second reflecting mirror sandwich the laminate and the opening. This light-emitting device further includes an optically transparent substrate between the first reflecting mirror and the laminate. The optically transparent substrate has a first convex portion having a convex-curved shape and one or more second convex portions on a surface on the side opposite to the laminate. The first convex portion is in contact with the first reflecting mirror. The one or more second convex portions are provided around the first convex portion. The one or more second convex portions each have a height greater than or equal to a height of the first convex portion, and an end on the first reflecting mirror side has a convex-curved shape.
US11374383B2 Semiconductor light emitting element
A semiconductor light emitting element that can form a useful beam pattern is provided. A semiconductor laser element LD includes an active layer 4, a pair of cladding layers 2 and 7 between which the active layer 4 is interposed, and a phase modulation layer 6 optically coupled to the active layer 4. The phase modulation layer 6 includes a base layer 6A and different refractive index regions 6B that are different in refractive index from the base layer 6A. The different refractive index regions 6B desirably arranged in the phase modulation layer 6 enable emission of laser light including a dark line with no zero-order light.
US11374374B2 Method and system for alignment and insertion of wire contact with wire contact insertion holes of a connector
A method, system and computer program product are provided for aligning and inserting a wire contact within a target hole of a connector to facilitate the automated insertion of the wire ends of a wire bundle assembly into the wire contact insertion holes of a connector. Methods may include: obtaining captured images, from at least two image capture devices attached to an end-effector of a robot, of a wire gripper of the end-effector; causing the robot to advance the end-effector to move the wire contact within a predetermined distance of the connector; causing the robot to advance the end-effector to move the wire contact toward the connector a predetermined additional amount more; and identifying, based on movement of the wire contact the predetermined additional amount more, if alignment is correct from force feedback at the wire gripper.
US11374372B2 Device and method for crimping connection elements, and crimping connection
A device (1) for crimping connection elements (2). The device (1) comprises a machine frame (5), at least one punch, a drive assembly, at least one anvil (17), and a working chamber (31). The punch (3) is preferably arranged in a movable manner in relation to the machine frame (5). The punch (3) contains at least one working surface (4) for deforming a connection element (2). The drive assembly for moving the punch (3) is connected to the punch. The anvil (17) is connected to the machine frame (5) and has a receiving surface (8) for the connection element (2). The working chamber is located between the punch and the anvil and is opened and closed by a relative movement between the punch and the anvil. The device has at least one sonotrode, by which the receiving surface (8) of the anvil (17) is supplied with ultrasound.
US11374370B2 Ganged coaxial connector assembly
A coaxial connector assembly includes: a first plurality of first coaxial connectors mounted within a shell, the shell defining a plurality of electrically isolated cavities, each of the first coaxial connectors being located in a respective cavity; a plurality of first coaxial cables, each of the coaxial cables attached to a respective one of the first coaxial connectors; a second coaxial connector mounted within the shell, the second coaxial connector being smaller that the first coaxial connectors; and a second coaxial cable attached to the second coaxial connector, the second coaxial cable being smaller than the first coaxial cables.
US11374368B2 Abnormality prompting method and intelligent socket
An abnormality prompting method and an intelligent socket (30) are provided. Prompting is performed when a home appliance runs abnormally by means of the intelligent socket (30). The method includes: the intelligent socket (30) receives a state message from a first home appliance (S202), and the state message includes indication information used for indicating a current working mode of the first home appliance; the intelligent socket (30) obtains an actual value of a working parameter of the first home appliance (S203); the intelligent socket (30) determines a working state of the first home appliance according to the actual value of the working parameter and a maximum value of the working parameter allowed by the working mode (S204); when determining that the working state of the first home appliance is an abnormal state, the intelligent socket (30) outputs a prompt message (S205).
US11374366B2 System and method for providing an electrical ground connection for a circuit assembly
A system is described for providing an electrical ground connection for a circuit assembly. The system may include a housing for the circuit assembly, the housing having an electrically conductive fixation member configured for attachment to an electrically conductive element outside the housing. The system may also include an electrically conductive feature configured for attachment to the circuit assembly, the electrically conductive feature comprising a flexible contact terminal configured to contact the electrically conductive fixation member inside the housing. Attachment of the electrically conductive fixation member to the electrically conductive element outside the housing enables an electrical ground connection for the circuit assembly via the electrically conductive feature comprising the flexible contact terminal.
US11374365B2 Electrical device connector with shielding for mounting on a case of a device
A device connector (10) is to be mounted on a case (1) of a device and includes a housing (20) configured to fit into a mounting hole (2) in the case (1). A wire (40) is pulled out from the housing (20) in parallel to an outer surface (4) of the case (1). A shield (50) includes a wire-side mounting portion (53) that is configured to cover the wire (40), and a connecting member (60) configured to coaxially arrange and directly connect a case-side mounting portion (3) projecting in a direction intersecting a pull-out direction of the wire (40) from the outer surface (4) of the case (1) and the wire-side mounting portion (53).
US11374360B2 Electrical contacts having anchoring regions with improved impedance characteristics
An electrical contact for an electrical connector includes a body having a mounting end and a mating end, a contact beam, and an anchoring region. The contact beam includes first and second edges that are laterally spaced from one another, and first and second broadsides that extend between the first and second edges. The anchoring region includes first, second, and intermediate portions. The first portion extends from the contact beam towards the mounting end, and has a first side that is spaced laterally outwards from the first edge. The second portion extends from the mounting end towards the first portion, and has a first side that is spaced laterally outwards from the first edge. The intermediate portion extends between the first portion and the second portion, and has a first side that is recessed laterally inwards from the first sides of the first and second portions.
US11374359B2 High voltage electrical connector
A high voltage electrical connector for electric current connections in vehicles includes a first connector unit and a complementary second connector unit releasably connectable with the first connector unit. A primary locking member is arranged in the first connector unit, and a stationary locking part is arranged in the second connector unit, where the primary locking member is electromagnetically movable between a locked position and an unlocked position. In the locked position, the primary locking member is in locking engagement with the stationary locking part preventing the first connector unit and the second connector unit from being released from each other, and in the unlocked position the primary locking member is disengaged from the stationary locking part allowing the first connector unit and the second connector unit from being released from each other.
US11374358B2 Wire to board connector with low height
A low profile wire to board connector with features that enable a height of 1 mm or less, yet sufficient robustness to preclude unintentional separation of mated connectors. A board connector, with a mounting interface configured for surface mount soldering to a PCB, may include a recess for receiving a complementary connector terminating multiple wires. The board connector may have blade-shaped terminals, which may be soldered to the PCB at two ends, with an intermediate portion engaging a portion of the board connector housing, so as to secure the housing to the PCB. The complementary connector may be inserted at an acute angle with the mounting interface, engaging a front portion of the mating connector to a front portion of the board connector. The rear of the complementary connector may then be rotated into the recess and secured near the rear.
US11374356B2 Connector position assurance member
A connector position assurance (CPA) member for assuring the engagement of a female housing with a male housing. The CPA member includes arms designed to stably and securely fit with apertures formed by the female housing. Also, the female housing includes a connector latch which engages with the CPA member and which used to securely hold together the female housing and the male housing.
US11374353B2 Magnetic latching connector
A magnetic latching connector for making electrical connections between cables, electrical power and signal sources, equipment and the like in a variety of medical and other applications in which it is desired to have the connection maintained with a predetermined amount of magnetic attractive force. The magnetic latching connector generally includes male and female connector components. The male and female connector components comprise male and female couplings and male and female coupling housings. The male and female coupling housings enclose electrical connections between the male and female couplings and electrical cables. Recessed within the male and female couplings are electrically conductive pins and sockets and male and female magnetic latching elements. When the male and female connector components are coupled, the pins and sockets provide electrical connections and the recessed magnetic latching elements provide a predetermined magnetic attraction force to maintain the connections.
US11374349B2 Receptacle connector device for electric vehicle use
A receptacle connector device for electrical vehicle use in accordance with the present invention is disposed at a battery terminal of an electric vehicle and is connected to a plug connector in a charging station. The receptacle connector comprises an insulating body and a plurality of conducting elements. The insulating body is made of waterproof plastic materials and the plurality of the conducting elements are made of metal materials. The insulating body has a plurality of concentric circular grooves and a transverse portion. The plurality of the conducting elements are respectively disposed in the plurality of the concentric circular grooves, characterized in that: each of the plurality of the conducting elements forms a rough surface, thereby to enlarge contact area between the plurality of the conducting elements and the insulating body in moulding process for firm combination of plastic and metal materials.
US11374347B2 Movable support structure
A movable support structure, wherein the retaining/restricting portion is resiliently deformable in a direction to be retracted from a relative passage path for the receiving portion when the supported portion is inserted into the movable supporting portion from a catching posture, in which the retaining/restricting portion is caught by the receiving portion, with the supported portion supported by the movable supporting portion, and the deformation restricting portion restricts resilient deformation of the retaining/restricting portion in a direction to be retracted from the catching posture.
US11374344B2 Protecting cover adapted for a connecting port and connecting port device therewith
A protecting cover includes a latching component and a releasing component. The latching component includes an engaging portion. The engaging portion engages with a cooperating portion of a connecting port when the latching component is at least partially accommodated inside the connecting port. The releasing component is detachably installed on the latching component and includes a resilient arm. The resilient arm abuts against the engaging portion to drive the engaging portion to disengage from the cooperating portion by operation of the resilient arm when the releasing component is installed on the latching component. The latching component at least partially accommodated inside the connecting port covers a front opening of the connecting port, and removal of the latching component requires the releasing component. It not only prevents outside dust particles or substances from entering into the connecting port but also prevents an unauthorized connection of the connecting port.
US11374342B2 Plug and socket for connecting to a thermal conductor protected against polarity reversal
The present invention relates to a plug and a socket, which are each designed to be capable of being connected to a coded thermal line protected against polarity reversal. To this end the plug and the socket each comprise a recess which is configured to receive, in a manner protection against polarity reversal, a thermal line with an asymmetrically designed cross section and a first and a second electrically conductive plug or socket element which each comprise a first and a second area. The first area of the plug and socket elements each comprise a spring contact, and the plug and socket elements are arranged in such a manner that the two spring contacts each contact substantially axially a core of a received thermal line.
US11374332B2 Millimeter wave band array antenna
A millimeter wave band array antenna is disclosed. The disclosed antenna includes: a first dipole array antenna unit including first +dipole members, formed on an upper portion of a first substrate and provided with feed signals through a first feed line, and first −dipole members, formed on a lower portion of the first substrate and joined with a ground plane on a lower portion of the first substrate; and a slot antenna unit including slot radiators, which are formed on an upper portion of the first substrate, where the ground plane includes a first sloped structure having an upward slope of a first angle to the right from the point of junction with a first −dipole member and a second sloped structure having an upward slope of the first angle toward the left from the point of junction.
US11374328B2 Antenna device for vehicle
Provided is an antenna device for a vehicle capable of firmly fixing a capacitance loading element. An antenna device 1 for a vehicle includes: an antenna case 5; a capacitance loading element 20 housed in an internal space of the antenna case 5; a capacitance loading element holder 10 including an upper holder 11 and a lower holder 12 and configured to sandwich and hold the capacitance loading element 20 between the upper holder 11 and the lower holder 12; and a metal base 50 configured to hold the lower holder 12. The capacitance loading element 20 includes two elements and a connecting portion that connects the two elements, the connecting portion is provided at a position lower than upper edges of the two elements, the upper holder 11 holds the two elements, and the upper holder 11 and the lower holder 12 sandwich and hold the connecting portion.
US11374324B2 Slotted patch antennas
The present subject matter describes antennas. In an example of the present subject matter, an antenna comprises a patch antenna element having a radiating surface. Two slots are formed on the radiating surface, each of the two slots having an open circuit edge and a short circuit edge.
US11374323B2 Patch antennas stitched to systems in packages and methods of assembling same
A patch antenna array is fabricated with a package-on-package setup that contains a transceiver. The patch antenna array has a footprint that intersects the transceiver footprint. The package-on-package setup includes through-mold vias that couple to a redistribution layer disposed between the patch antennas and the package-on-package setup.
US11374321B2 Integrated differential antenna with air gap for propagation of differential-mode radiation
A differential antenna includes a substrate formed of non-radio-frequency material and a pair of conductive microstrip lines formed on the substrate. A metallic sheet is supported and spaced apart from the pair of conductive microstrip lines by a plurality of support elements to form an air gap. The metallic sheet is patterned to include a plurality of differential radiating gaps disposed along the longitudinal axis of the antenna and above a gap between the pair of conductive microstrip lines. Multiple rows of metallic vias are formed in the substrate disposed and spaced apart laterally with respect to the gap between the pair of conductive microstrip lines to define two propagation air cavities in which radiation can propagate. The differential antenna is configured such that the radiation is differential-mode, second-order radiation, which is emitted from the differential antenna at the differential radiating gaps in the metallic sheet.
US11374313B2 Biaxial antenna using single motor
The present invention relates to a biaxial antenna using a single motor capable of simplifying an apparatus and saving a manufacturing cost by controlling elevation and azimuth with the single motor. The biaxial antenna includes a fixed central shaft having a screw thread formed on an outer circumference surface thereof, a rotation part having a screw thread formed on an inner circumference surface thereof to be coupled to the fixed central shaft, rotated, and including a first rotation plate which is moved to an upper side or a lower side, an antenna part having a rear surface connected to the first rotation plate and both sides hinge coupled to the rotation part, a motor connected to the rotation part to rotate the rotation part, and a controller controlling the number of revolutions and the degree of rotation of the motor to control elevation and azimuth of the antenna part.
US11374302B2 Wireless signal device
A wireless signal device is provided. The wireless signal device includes a device body, a fastening belt, a wireless signal module and a switch unit. The device body includes a through hole. A fixed end of the fastening belt is affixed to the device body, and a free end of the fastening belt is adapted to be inserted into the through hole. The wireless signal module is disposed in the device body. The switch unit is disposed in the device body, wherein in a signal transmission mode, the fastening belt passes through the through hole, and the switch unit is pressed by the fastening belt to activate the wireless signal module.
US11374301B2 Cable type antenna
A cable type antenna is provided having a small-sized lightweight configuration and enabling specifying of a radiation region having a desired antenna length. The cable type antenna may be sectionalized into a first region on the power feeding circuit side and a second region on the leading end side. The cable type antenna of the present disclosure further comprises a balanced-to-unbalanced transformer element disposed between the first region and the second region, wherein the balanced-to-unbalanced transformer element includes an unbalanced-side terminal connected to the first region and a balanced-side terminal connected to the second region configured to allow the first region to serve as a non-radiation part and the second region to serve as a radiation part.
US11374300B2 Directional coupler and electronic device having the same
A directional coupler according to various embodiment and an electronic device having the same are provided. The directional coupler includes a first layer having at least one conductive portion, a second layer disposed adjacent to the first layer in a first direction and having at least one conductive plate corresponding to the conductive portion of the first layer, a third layer disposed adjacent to the second layer in the first direction and including an RF signal transmission line, a fourth layer disposed adjacent to the third layer in the first direction and having a conductive line wound with at least one turn, and at least one conductive via electrically connecting the at least one conductive plate of the second layer and the conductive line of the fourth layer which is wound with at least one turn.
US11374297B2 Filter arrangement
A filter arrangement having three or more stacked metallization layers separated by printed circuit board, PCB, layers. Each metallization layer includes an aperture. The filter arrangement has a plurality of via-holes extending though the stacked metallization layers and through the separating Dielectric material layers, whereby the via-holes and the metallization layers delimit a cavity in each Dielectric material layer. The cavities in two consecutive Dielectric material layers being coupled by the aperture in the single metallization layer separating the two consecutive Dielectric material layers. The aperture of a topmost metallization layer being arranged as antenna element. The filter arrangement having a signal interface arranged as a conduit connecting at least one dielectric material layer to an exterior of the filter arrangement.
US11374295B2 Filter circuit and communication device
To achieve a filter circuit that is configured to have a good frequency rejection characteristic and suppress an increase in size due to mounting, in a more preferred aspect.A filter circuit includes a first signal line that is arranged to extend longitudinally, and a second signal line that is arranged to extend in parallel with the first signal line, in which the second signal line has one end that is electrically connected to the first signal line, and the other end that is open, in a longitudinal direction, and a length in the longitudinal direction that is determined according to a frequency of a signal to be blocked of signals transmitted through the first signal line.
US11374287B2 Energy storage device
An energy storage device in which a micro-short circuit at the time of heat generation is suppressed is provided. The energy storage device includes: a positive electrode; a negative electrode containing a negative composite layer; and a separator disposed between the positive electrode and the negative electrode. The separator contains a base material layer containing a thermoplastic resin and an inorganic layer formed on the base material layer, the inorganic layer opposes to the positive electrode, the base material layer opposes to the negative electrode, and a ratio of a mass of the base material layer per unit area to a spatial volume of the negative composite layer is 0.26 or more.
US11374283B2 Electronic cigarette
An electronic cigarette including an atomization assembly and a battery assembly. The atomization assembly includes an atomization core; a mouthpiece; a first cover disposed on the mouthpiece; a first rubber ring; a spinning ring; a first fixed ring fixing the spinning ring; a silicone ring; a connector; a second rubber ring; an e-liquid tank; a second seal ring sealing the e-liquid tank; a silicone gasket; a second cover covering the e-liquid tank; a press part; a connection cylinder; a fourth seal ring and a fifth seal ring sealing two ends of the connection cylinder, respectively; a positive terminal; a positive silicone; and a second fixed ring fixing the connection cylinder. The atomization core includes a spring; a first seal ring; a heating wire; a limit cover limiting the heating wire; a first fixed seat fixing the heating wire; a third seal ring sealing the first fixed seat.
US11374271B2 Apparatus, system, and method for collecting gas generated in secondary battery
The present invention relates to an apparatus, system, and method for collecting gas generated in a secondary battery, specifically, to an apparatus, system, and method for collecting gas, which allow an operator to collect gas generated inside a secondary battery according to a desired section.
US11374268B2 Thin-film reference electrodes, electrochemical devices including thin-film reference electrodes, and methods of making thin-film reference electrodes
A method of making a reference electrode assembly for an electrochemical cell according to various aspects of the present disclosure includes providing a subassembly including a separator layer and a current collector layer coupled to the separator layer. The method further includes providing an electrode ink including an electroactive material, a binder, and a solvent. The method further includes creating a reference electrode precursor by applying an electroactive precursor layer to the current collector layer. The electroactive precursor layer covers greater than or equal to about 90% of a superficial surface area of a surface of the current collector layer. The electroactive precursor layer includes the electrode ink. The method further includes creating the reference electrode assembly by drying the electroactive precursor layer to remove at least a portion of the solvent, thereby forming an electroactive layer. The electroactive layer is solid and porous.
US11374258B2 Electrolyte composition, electrolyte membrane, electrode, cell and method for evaluating electrolyte composition
The present invention provides an electrolyte composition that provides better charging/discharging performance when used in a cell than a conventional electrolyte composition. The present invention relates to an electrolyte composition containing an alkali metal salt, at least one polymer selected from the group consisting of a polyether polymer, a (meth)acrylic polymer, a nitrile polymer, and a fluoropolymer, and an ion dissociation accelerator. The composition has an alkali metal salt concentration of 1.8 mol/kg or higher.
US11374256B2 Method for producing all solid state battery, and all solid state battery
A method for producing an all solid state battery in which an anode foil, an anode layer, a solid electrolyte layer, and a cathode layer are layered in this order, and an area of the solid electrolyte layer and the anode layer is larger than an area of the cathode layer is disclosed. The method includes a first pressing step of roll-pressing a first layered body so an adhesive force between the anode foil and the anode layer becomes 30 N/cm2 or more, to form a second layered body; a layered body forming step of forming a third layered body comprising the anode foil, the anode layer, the solid electrolyte layer, and the cathode layer, using the second layered body; and a second pressing step of roll-pressing the third layered body with a linear pressure of 1.0 t/cm or more to form a forth layered body.
US11374254B2 Solid state electrolyte for lithium secondary battery
Provided is a solid state electrolyte composition for a rechargeable lithium battery. The electrolyte composition comprises a lithium ion-conducting polymer matrix or binder and lithium ion-conducting inorganic species that is dispersed in or chemically bonded by the polymer matrix or binder, wherein the lithium ion-conducting inorganic species is selected from Li2CO3, Li2O, Li2C2O4, LiOH, LiX, ROCO2Li, HCOLi, ROLi, (ROCO2Li)2, (CH2OCO2Li)2, Li2S, LixSOy, or a combination thereof, wherein X=F, Cl, I, or Br, R=a hydrocarbon group, 0
US11374253B2 Electrode assemblies
Provided herein is an electrode assembly of lithium-ion battery, comprising at least one anode, at least one cathode and at least one separator interposed between the at least one anode and at least one cathode, wherein the water content of the electrode assembly is less than 20 ppm by weight, based on the total weight of the electrode assembly.
US11374250B2 Fuel cell stack
An opening is formed in an accommodating case of a fuel cell stack. Flat cables are led out of the accommodating case through the opening. The flat cables pass through a grommet covering the opening. The grommet is positioned by a seal plate (positioning member) attached to the accommodating case.
US11374249B2 Flow battery
A flow battery according to one aspect of the present disclosure includes: a first liquid containing dissolved therein a charge mediator and a discharge mediator; a first electrode immersed in the first liquid; and a first active material immersed in the first liquid. The equilibrium potential of the charge mediator is lower than the equilibrium potential of the first active material, and the equilibrium potential of the discharge mediator is higher than the equilibrium potential of the first active material.
US11374248B2 Oriented apatite type oxide ion conductor and method for producing same
An oriented apatite-type oxide ion conductor includes a composite oxide expressed as A9.33+x[T6.00−yMy]O26.0+z, where A represents one or two or more elements selected from the group consisting of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Be, Mg, Ca, Sr, and Ba, T represents an element including Si or Ge or both, and M represents one or two or more elements selected from the group consisting of B, Ge, Zn, Sn, W, and Mo, and where x is from −1.00 to 1.00, y is from 0.40 to less than 1.00, and z is from −3.00 to 2.00.
US11374247B2 Electrolyte solution and method for producing same, continuously dissolving facility, electrolyte membrane, electrode catalyst layer, membrane electrode assembly and fuel cell
A method for producing an electrolyte solution including a supply step of continuously supplying an emulsion based a polymer electrolyte and a solvent into a dissolution facility, and a dissolution step of continuously dissolving the polymer electrolyte in the solvent by heating the interior of the dissolution facility to obtain the electrolyte solution.
US11374246B2 Ammonia fuel cell system and electric device
An ammonia fuel cell system and an electric device are described. The ammonia fuel cell system includes an ammonia decomposition reaction device, a heating device, a hydrogen fuel cell, a DC/DC converter and an inverter connected successively, a battery pack and a heat exchanger. The heat exchanger of the system, can preheat ammonia gas by energy generated by ammonia decomposition, thereby recycling heat waste. The battery pack supports a quick response and stable output to quickly cope with the acceleration and deceleration of the electric device. This improves the stability of the system operation, and electric energy generated by the hydrogen fuel cell or electric energy in the battery pack can be transferred to the outside. The battery pack or the heating device can provide energy to the ammonia decomposition reaction device, so there is no need to supply outside energy to the ammonia decomposition reaction device.
US11374242B2 Methods and apparatus for decoupling reactant activation and reaction completion
Methods and apparatus for decoupling reactant activation and reaction completion. Various embodiments of the present disclosure leverage electrodynamic inversion principles to provide fuel cell-like operation. In one exemplary embodiment a fuel cell-like apparatus is configured to: create reactant ions (e.g., fuel ions, oxidant ions, etc.) in isolation, transport the reactant ions to a reaction interface, enable a chemical reaction, harvest the resulting electrical current, and eliminate the exhaust products. The exemplary fuel cell-like device decouples the reactants from directly powering the load. Notably, the redox reaction is allowed to proceed at a reaction interface rather than directly at the anode and cathode.
US11374234B2 Separation membrane complex and redox flow battery
The present disclosure relates to a separation membrane complex having an anion exchange membrane and a cation exchange membrane coming in face-to-face contact with each other, and the cation exchange membrane and the anion exchange membrane each having two or more concavities and convexities which interlock with each other in a reverse phase.
US11374233B2 Gas diffusion layer for fuel cells and apparatus and method for manufacturing the same
An apparatus for manufacturing a gas diffusion layer for fuel cells includes: a conveyer transferring a base sheet for a macroporous layer of the gas diffusion layer in one direction before water repellent coating; a nozzle disposed around the conveyer to coat the transferring base sheet with a water repellent in a fiber type or desired pattern; and a nozzle transfer unit combined with an upper end of the nozzle to transfer the nozzle along a desired trajectory.
US11374228B2 Metallic textiles for flexible wearable lithium ion batteries
This disclosure provides a method for preparing a current collector. The method includes: (1) anchoring vinyl groups onto the surface of textiles through the silanization between hydroxyl groups and coupling agents; (2) synthesizing polyelectrolyte brushes through in-situ radical polymerization; and (3) obtaining catalyst ions on the polyelectrolyte brushes through ion-exchange and obtaining metal-coated layers through subsequent electroless deposition). The current collector according to the present disclosure has high electrical conductivity and excellent mechanical flexibility, and thus the lithium ion battery including the same is suitable for portable and wearable electronic devices.
US11374221B2 Lithium-ion secondary battery
A lithium-ion secondary battery including a cathode, an anode, and an electrolyte, in which the lithium-ion secondary battery includes inorganic phosphate particles, and the cathode includes cathode active material particles which include central particles made of LixAyMzPO4 (0≤x≤1.1, 0.8≤y≤1.1, and 0≤z≤0.2; here, A represents at least one element selected from the group consisting of Fe, Mn, Co, and Ni, and M represents at least one element selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements) and a carbonaceous film that coats surfaces of the central particles.
US11374219B2 Primary battery and moisture sensor
Provided are an easy-to-handle primary battery capable of spontaneous power generation and a moisture sensor including the same. The primary battery includes a separator that is disposed between a negative electrode and negative electrode current collector (a negative electrode) and a positive electrode and positive electrode current collector (a positive electrode), and sucks up electrolyte solution by the capillary phenomenon with an exposed portion of the separator 5 exposed from battery casings.
US11374216B2 Graphene foam-protected phosphorus material for lithium-ion or sodium-ion batteries
A lithium- or sodium-ion battery anode layer, comprising a phosphorus material embedded in pores of a solid graphene foam composed of multiple pores and pore walls, wherein (a) the pore walls contain a pristine graphene or a non-pristine graphene material; (b) the phosphorus material contains particles or coating of P or MPy (M=transition metal and 1≤y≤4) and is in an amount from 20% to 99% by weight based on the total weight of the graphene foam and the phosphorus material combined, and (c) the multiple pores are lodged with particles or coating of the phosphorus material. Preferably, the solid graphene foam has a density from 0.01 to 1.7 g/cm3, a specific surface area from 50 to 2,000 m2/g, a thermal conductivity of at least 100 W/mK per unit of specific gravity, and/or an electrical conductivity no less than 1,000 S/cm per unit of specific gravity.
US11374215B2 Scaffolding matrix with internal nanoparticles
A battery electrode composition is provided comprising composite particles, with each composite particle comprising active material and a scaffolding matrix. The active material is provided to store and release ions during battery operation. For certain active materials of interest, the storing and releasing of the ions causes a substantial change in volume of the active material. The scaffolding matrix is provided as a porous, electrically-conductive scaffolding matrix within which the active material is disposed. In this way, the scaffolding matrix structurally supports the active material, electrically interconnects the active material, and accommodates the changes in volume of the active material.
US11374212B2 Multilayer positive electrode for lithium secondary battery and method for manufacturing the same
A positive electrode for a lithium secondary battery includes a positive electrode current collector; a lower positive electrode active material layer disposed on at least one surface of the positive electrode current collector; and an upper positive electrode active material layer disposed on the lower positive electrode active material layer, wherein the lower positive electrode active material layer includes 90% or more of a sphere-type carbonaceous conductive material as a conductive material, the upper positive electrode active material layer includes 90% or more of a needle-type carbonaceous conductive material as a conductive material, and the content of the conductive material contained in the lower positive electrode active material layer is larger than the content of the conductive material contained in the upper positive electrode active material layer.
US11374205B2 Phase difference plate for organic EL display device, organic EL display device, and method for producing phase difference plate
An object of the present invention is to provide a phase difference plate for an organic EL display device having excellent light resistance, an organic EL display device, and a method for producing a phase difference plate. The phase difference plate for an organic EL display device of an embodiment of the present invention is a phase difference plate for an organic EL display device having a phase difference layer formed from a composition containing a copolymer having both of a repeating unit A including a photo-alignment group and a repeating unit B including a moiety capable of expressing birefringence having reciprocal wavelength dispersion, in which the photo-alignment group includes a double bond structure of C═C or C═N.
US11374198B2 Manufacturing method of flexible display panel comprising forming dam group disposed around edge of light emitting device layer
A flexible display panel and a manufacturing method thereof are provided. By filling a protective film in a stress concentration area of an inorganic film layer at a corner of a dam, a slope of a side wall of the dam can be effectively reduced, and stress concentration effect of the inorganic film layer in an upper packaging structure is reduced to a certain extent. When the protective film is subjected to stress, it can effectively relieve the stress and weaken or even eliminate stress effect of the packaging structure on an anode layer at a corner of the dam.
US11374196B2 Organic light emitting diode display panel with organic material structure on upper and lower portions of an inorganic layer and lower portion of second substrate
An organic light-emitting diode (OLED) display panel including a composite substrate including a first substrate, a barrier layer, a plurality of inorganic layers each interlaced therein with an organic material structure, and a second substrate interlaced therein with an organic material structure; a buffer layer disposed on the composite substrate; a thin film transistor layer disposed on the buffer layer; an OLED device layer disposed on the thin film transistor layer; and an encapsulation layer disposed on the OLED device layer.
US11374194B2 Standable organic light-emitting diode display device
The present disclosure provides a standable OLED display device comprising a first shell, a second shell, a support plate, four first rods, and an OLED panel. The first shell and the second shell have sliders and chutes. Each slider partially slides in a corresponding chute. Two first rods are rotatably connected to the first shell and the support plate. Two other first rods are rotatably connected to the second shell and the support plate. The OLED panel is disposed on the support plate, the first shell, and the second shell, and two opposite sides thereof are respectively inserted in the first shell and the second shell. When the first shell and the second shell slide close to each other, the support plate rises in parallel with respect to the first shell and the second shell so that the device is changed from an initial planar state to a standing state.
US11374192B2 Flexible transparent electrode, flexible display panel, manufacture method, and display device
The present disclosure provides a flexible transparent electrode, a flexible display panel, related manufacture methods, and a display device. The flexible transparent electrode includes a graphene body and metal nanowires. At least part of the metal nanowires is inserted into the graphene body to form an interpenetrating body structure.
US11374191B2 Organic light emitting diode, display panel and display device
Provided are an OLED, display panel and display device. The OLED includes a first electrode, a second electrode, a light emitting layer and at least one blocking layer. The second electrode is arranged opposite to the first electrode. The light emitting layer is arranged between the first electrode and the second electrode. The blocking layer is arranged between the light emitting layer and the second electrode and/or between the light emitting layer and the first electrode. Each blocking layer of the at least one blocking layer comprises at least two blocking materials, electron mobility of at least one blocking material of the at least two blocking materials is lower than a first preset value, electron mobility of at least another blocking material of the at least two blocking materials is higher than a second preset value, and the first preset value is lower than the second preset value.
US11374189B2 Quantum dot, photoelectric conversion element including the same, light receiving element, photoelectric conversion apparatus, moving object, method for producing quantum dot, and method for producing photoelectric conversion element
A quantum dot includes an inorganic particle, and an organic ligand and an inorganic ligand on a surface of the inorganic particle, and the molar percentage of the inorganic ligand relative to the total amount of the inorganic ligand and the organic ligand is 25% or more and 99.8% or less.
US11374186B2 Polymer photovoltaic cell with an inverted structure and process for its preparation
Polymeric photovoltaic cell (or solar cell) with an inverted structure comprising: an anode; a first anode buffer layer; an active layer comprising at least one photoactive organic polymer as the electron donor and at least one organic electron acceptor compound; a cathode buffer layer; a cathode; wherein between said first anode buffer layer and said active layer a second anode buffer layer is placed comprising a hole transporting material, said hole transporting material being obtained through a process comprising: reacting at least one heteropoly acid containing at least one transition metal belonging to group 5 or 6 of the Periodic Table of the Elements; with at least an equivalent amount of a salt or a complex of a transition metal belonging to group 5 or 6 of the Periodic Table of the Elements with an organic anion, or with an organic ligand; in the presence of at least one organic solvent selected from alcohols, ketones, esters, preferably alcohols. Said polymer photovoltaic cell (or solar cell) with an inverted structure displays high photoelectric conversion efficiency values (η), i.e. a photoelectric conversion efficiency (η) greater than or equal to 4.5%, and good open circuit voltage (Voc), short-circuit current density (Jsc) and fill factor (FF) values. Furthermore, said polymer photovoltaic cell (or solar cell) with an inverted structure is able to maintain said values over time, in particular, in terms of photoelectric conversion efficiency (η).
US11374185B2 Flexible display panel, flexible display device, and manufacturing method of flexible display panel
The present invention provides a flexible display panel, a flexible display device, and a manufacturing method of the flexible display panel. The flexible display panel is used as a protective cover of the flexible display device. The flexible display panel includes a flexible substrate, organic pixel units, a first inorganic layer, a spacer, an organic layer, and a second inorganic layer. The organic pixel units are disposed in an array on a side of the flexible substrate. The first inorganic layer covers a side of the organic pixel units away from the flexible substrate. The spacer is disposed on a side of the first inorganic layer away from the flexible substrate, wherein the spacer is provided with a plurality of through holes. The flexible display panel of the present invention not only has high flexibility and bendability but also has strong water and oxygen barrier capabilities.
US11374182B2 Organic electroluminescence device and amine compound for organic electroluminescence device
Provided is an organic electroluminescence device, including a first electrode, a hole transport region that is on the first electrode and includes an amine compound represented by the following Formula 1, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region,
US11374180B2 Organic electroluminescent materials and devices
Compounds are provided that comprise a ligand having a 5-substituted 2-phenylquinoline. In particular, the 2-phenylquinoline may be substituted with a cycloalkyl containing group at the 5-position. These compounds may be used in organic light emitting devices, in particular as red emitters in the emissive layer of such devices, to provide devices having improved properties.
US11374175B2 Polymer, coating composition comprising same, and organic light-emitting device using same
The present disclosure relates to a polymer including a unit represented by Chemical Formula 1, a coating composition including the polymer, and an organic light emitting device formed using the same.
US11374173B2 Evaporation mask, OLED panel and system, and evaporation monitoring method
An evaporation mask, an organic light-emitting diode (OLED) panel and system, and an evaporation monitoring method. The evaporation mask includes a first functional region and a first peripheral region disposed outside of the first functional region. The first functional region has a first opening for forming a functional layer by evaporation, and the first peripheral region has a second opening for monitoring an evaporation effect of the first opening. A monitoring structure can be formed on an observation layer of the OLED panel by evaporation through the second opening of the evaporation mask, and the evaporation effect of the first opening of the evaporation mask can be monitored via the monitoring structure, so that the evaporation effect can be monitored in time to achieve real-time on-line monitoring.
US11374171B2 Memristor and neuromorphic device comprising the same
Provided are memristors and neuromorphic devices including the memristors. A memristor includes a lower electrode and an upper electrode that are apart from each other and first and second two-dimensional material layers that are arranged between the lower electrode and the upper electrode and stacked without a chemical bond therebetween.
US11374168B2 Precursor structure of perpendicularly magnetized film, perpendicularly magnetized film structure and method for manufacturing the same, perpendicular magnetization-type magnetic tunnel junction film in which said structure is used and method for manufacturing the same, and perpendicular magnetization-type magnetic tunnel junction element in which said structure or magnetic tunnel junction film is used
The present invention provides a perpendicularly magnetized film structure exhibiting high interface-induced magnetic anisotropy by utilizing a combination of an alloy comprising Fe as a main component and MgAl2O4 as a basic configuration.
US11374167B2 Reducing parasitic bottom electrode resistance of embedded MRAM
An embedded magnetoresistive random-access memory (MRAM) device including a portion of a metal wiring layer above a semiconductor device and a bottom electrode over the portion of the metal wiring layer. The embedded MRAM where the bottom electrode connects to a first portion of a bottom surface of a magnetoresistive random access memory pillar and a sidewall spacer is on the magnetoresistive random access memory pillar. The embedded MRAM device includes a ring of inner metal is on the portion of the metal wiring layer surrounding a portion of the bottom electrode.
US11374162B2 Piezoelectric element, method for manufacturing the same, and piezoelectric element-applied device
A piezoelectric element includes a first electrode; a piezoelectric layer, placed on or above the first electrode, containing potassium, sodium, niobium, titanium, and oxygen; and a second electrode placed on or above the piezoelectric layer.