| Document | Document Title |
|---|---|
| US11997695B2 |
Methods and apparatus for utilizing short transmission time intervals in a wireless communications network
A terminal device for a wireless communication network is configurable with a plurality of transmission time intervals. An example method comprises: receiving a grant message comprising an indication of radio resources in which the terminal device can transmit one or more wireless messages, the radio resources being configured according to a first transmission time interval of the plurality of transmission time intervals; determining the presence of data to transmit, the data being associated with a logical channel; determining a maximum transmission time interval associated with the logical channel; and, responsive to a determination that the maximum transmission time interval associated with the logical channel is less than the first transmission time interval, transmitting a scheduling request message. The scheduling request message is configured according to a second transmission time interval of the plurality of transmission time intervals, shorter than the first. |
| US11997694B2 |
Terminal devices, base station devices, and communication methods
The PUSCH is scheduled by a random-access response grant included in the random-access response, ML interlaces are configured for the active UL BWP, ILth interlace in the ML interlaces includes a set of resource blocks with index IVRB each of which satisfies relationship lL=mod(IVRB+Nstart,uBWP,i, ML), the Nstart,uBWP,i is a starting common resource block of the active UL BWP with index i, resource block assignment information in the random-access response grant indicates one or more interlaces from the ML interlaces, a first resource blocks assigned for the PUSCH in a case that the active UL BWP is different from an initial UL BWP are resource blocks in the one or more interlaces in the initial UL BWP, and a second resource blocks assigned for the PUSCH in a case that the active UL BWP is the initial UL BWP are same as the first resource blocks. |
| US11997693B2 |
Lower analog media access control (MAC-A) layer and physical layer (PHY-A) functions for analog transmission protocol stack
A method of wireless communication by a user equipment (UE) includes receiving an uplink grant from a network device. The method also includes determining, by a lower analog media access control (MAC-A) layer of an analog data communications stack, a quantity of analog neural network gradients to transmit in a data packet using resources allocated by the uplink grant. The determining is based on an analog physical (PHY-A) layer encoding scheme and the resources allocated by the uplink grant. The method further includes segmenting the analog neural network gradients into the data packet. The method still further includes transferring the data packet to the PHY-A layer for transmission to the network device across a wireless network. |
| US11997689B2 |
In band signaling of control information and corresponding payload in a physical channel
A method, system and apparatus are disclosed. In one or more embodiments, a network node is configured to communicate with a wireless device, WD, the network node configured to, and/or comprising a radio interface and/or comprising processing circuitry configured to participate in in-band signaling carrying control information and corresponding payload in a physical channel (e.g., shared physical channel) where, optionally, the control information is associated with a granularity in indicating at least one group of Code Blocks, CBG. |
| US11997688B2 |
Methods, apparatus and systems for indicating uplink transmission resources related to various services
Methods, apparatuses and systems for indicating resources for uplink transmissions related to various services in a wireless communication. In one embodiment, a method performed by a wireless communication node includes: transmitting indication information to a first wireless communication device, wherein the indication information indicates to the first wireless communication device a resource set of resources configured for uplink transmissions related to at least one type of service by at least one second wireless communication device. |
| US11997687B2 |
Advanced adaptive receivers based on spectral efficiency utilization
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive one or more downlink grants while operating in accordance with a first receive state during a threshold number of transmission time intervals (TTIs). The UE may determine a weighting factor for each TTI within the threshold number of TTIs, where the determined weighting factors are based on a spectral efficiency (SPEF) of channel communications between the UE and a base station. The UE may sum a subset of the weighting factors to determine a transition determination value, and may transition from the first receive state to a second receive state based on evaluation of the transition determination value. |
| US11997685B2 |
Resource processing in a communication system using multiple protocols
There is provided a method including determining that a first resource is to be designated as being used in accordance with a first communications protocol; forming an indication for a second apparatus operating in accordance with a second communications protocol, the indication indicating that the first resource is to be blanked; and transmitting, using dedicated signaling, the formed indication to the second apparatus. |
| US11997681B2 |
Techniques for determining a coding table for encoding in wireless communications
Aspects described herein relate to encoding uplink communications based on a coding table including determining to avoid certain portions of a coding table that may result decoding errors, or using a modified coding table, to improve decoding results. In one aspect, a network can transmit, to a device, a configuration indicating whether to use a modified coding table for encoding uplink communications. |
| US11997679B2 |
Buffer partitioning system and method
Disclosed is a base station which transmits and retransmits to a terminal first and second downlink data in first and second component carriers, respectively, wherein a first configuration pattern of UL (uplink) and DL (downlink) subframes is set for the first component carrier and a second configuration pattern of UL and DL subframes is set for the second component carrier. The base station receives from the terminal in the first component carrier an ACK/NACK for the first and second downlink data received by the terminal, which stores retransmission data of the first and second downlink data in a soft buffer, wherein the soft buffer for the second downlink data is sized according to a maximum number of downlink HARQ retransmission processes executable in a reference configuration pattern of UL and DL subframes, and the reference configuration pattern is determined according to the first and second configuration patterns. |
| US11997678B2 |
Method for transmitting and receiving data in wireless communication system, and apparatus therefor
A method for transmitting and receiving data in a wireless communication system, and an apparatus therefor are disclosed. Specifically, a method for receiving data by means of a terminal comprises the steps of: receiving setting information related to one or more control resources which are set to a first set or a second set of control resources, respectively; receiving a first physical control channel and a second physical control channel based on the setting information; receiving a first physical data channel based on the first set of control resources associated with the control resource which receives the first physical control channel; and receiving a second physical data channel based on the second set of control resources associated with the control resource which receives the second physical control channel, wherein each of the first physical data channel and the second physical data channel may be scrambled based on different initial values. |
| US11997666B2 |
Method, device and computer storage medium for communication
Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A method comprises determining, at a first device, a first parameter for determination of a sequence group index based on at least one of the following: a second parameter indicating an identity associated with a physical channel between the first device and a second device, a third parameter indicating a scrambling identity, and a fourth parameter indicating a cell identity; determining the sequence group index based on the first parameter; generating, at least based on the sequence group index, a Demodulation Reference Signal (DMRS) sequence to be transmitted to the second device; and transmitting the generated DMRS sequence to the second device over the physical channel. Embodiments of the present disclosure can enable DMRS transmission with low Peak to Average Power Ratio (PAPR) and high flexibility. |
| US11997665B2 |
Method and apparatus for beam recovery in next generation wireless systems
A beam failure recovery procedure in a wireless communication system comprises receiving, from a base station (BS), at least one beam failure detection reference signal (RS) and at least one new candidate beam RS over a downlink channel; identifying a set of RS resources including an index for the at least one beam failure detection RS; identifying a set of RS resources including an index for the at least one new candidate beam RS; identifying a dedicated control-resource set (CORESET) received from the BS for a beam failure recovery request; transmitting, to the BS, the beam failure recovery request associated with a quality measurement of the at least one beam failure detection RS over a physical random access channel (PRACH); and receiving, from the BS, a beam failure response in response to the beam failure recovery request based on the dedicated CORESET indicated to the UE. |
| US11997662B2 |
Communication management system and wireless bandwidth swapping
A wireless network environment includes a communication management resource that manages allocation of wireless channels in a network environment. The communication management resource assigns a first wireless channel for use by first wireless communication equipment in a network environment. In response to receiving a request to swap the first wireless channel for a different wireless channel, the communication management resource allocates a second wireless channel as a swap for the first wireless channel. In furtherance of the swap, the communication management resource then notifies the first wireless communication equipment to use the second wireless channel as a substitute to the first wireless channel. |
| US11997660B2 |
Transmission and reception method and apparatus for reducing transmission time interval in wireless cellular communication system
Methods and apparatuses for signal transmission and reception are provided for a wireless communication system. A configuration for a plurality of physical downlink control channel (PDCCH) is transmitted to a terminal. Configurations for a plurality of physical uplink control channel (PUCCH) resources are transmitted to the terminal. Downlink control information (DCI) resources is transmitted to a terminal. Downlink control information (DCI) is transmitted to the terminal based on the configuration for the PDCCH. A physical downlink shared channel (PDSCH) is transmitted to the terminal. Uplink control information (UCI) including a hybrid automatic repeat request (HARQ) acknowledgement (ACK) information for the PDSCH is received from the terminal on the PUCCH resource based on the DCI. |
| US11997657B2 |
Resource configuration method and apparatus, and computer storage medium
A method for resource configuration, a terminal and a non-transitory computer storage medium are provided. The method includes: a terminal receiving first control information from a network device, the first control information including slot structure information of N slots and N being a positive integer; and the terminal determining slot structures of the N slots according to the first control information. |
| US11997656B2 |
Self-contained time division duplex (TDD) subframe structure
Aspects of the present disclosure provide a subframe structure for time division duplex (TDD) carriers that can be entirely self-contained. That is, information transmitted on a TDD carrier may be grouped into subframes, where each subframe provides communication in both directions (e.g., uplink and downlink) in a suitable fashion to enable such communication without needing any further information in another subframe. For example, a single subframe may include scheduling information, data information corresponding to the scheduling information, and acknowledgment information corresponding to the data information. |
| US11997644B2 |
Handling of paging messages in communication endpoint to network relaying scenarios
There are provided measures for handling of paging messages in communication endpoint to network relaying scenarios. Such measures exemplarily comprise, at a relay terminal connected to a mobile access entity of a cellular network systems, selecting, for a terminal to be relayed, a sidelink communication group of a set of configured sidelink communication groups, monitoring network-served paging indicator resources corresponding to said terminal to be relayed for a network-served paging related identifier indicative of transmission of a network-served paging message and information on network-served paging message resources for said transmission of said network-served paging message, transmitting, if said network-served paging related identifier indicative of transmission of said network-served paging message is detected in said network-served paging indicator resources corresponding to said terminal to be relayed and information indicative of paging of said terminal to be relayed is identified in said network-served paging message transmitted in said network-sewed paging message resources as a result of said monitoring, in inter-terminal paging indicator resources configured for said sidelink communication group and next to said network-served paging message resources including said information indicative of paging of said terminal to be relayed, an inter-terminal paging related identifier indicative of transmission of an inter-terminal paging message and information on inter-terminal paging message resources for said transmission of an said inter-terminal paging message, and transmitting said inter-terminal paging message in said inter-terminal paging message resources for said transmission of said inter-terminal paging message. |
| US11997642B2 |
Method and apparatus for acquiring system information and paging via UE-to-network relay in a wireless communication system
A method and device are disclosed for a relay User Equipment (UE) to support UE-to-Network relay communication with a remote UE. In one embodiment, the method includes the relay UE connecting with a network node. The method further includes the relay UE receiving a first paging message or information for the remote UE from the network node on a dedicated downlink channel or a paging channel. The method also includes the relay UE transmitting a second paging message or information to the remote UE in response to reception of the first paging message or information for the remote UE, wherein the second paging message or information is generated based on the first paging message or information. |
| US11997636B2 |
Method and apparatus for link operation of multi-link device
A multi-link device (MLD) has a medium access control (MAC) layer management entity (MLME) and a station management entity (SME). The SME indicates a selected link identity (ID) to the MLME. The selected link ID is used to indicate the link being used for frame exchange between an access point (AP) affiliated with an AP MLD and a non-AP station (STA) affiliated with a non-AP MLD. One or more frames are exchanged through the link indicated by the selected link ID. |
| US11997629B2 |
Timing offset selection in non-terrestrial network
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a non-terrestrial network (NTN) entity, a message that is associated with an uplink grant. The UE may select, based at least in part on the message, either a cell-specific offset or an updated offset that is indicated after initial access, as a timing offset that accounts for a propagation delay between a base station of the NTN and the UE. The UE may transmit, to the NTN entity, an uplink communication using the timing offset. Numerous other aspects are described. |
| US11997628B2 |
Advanced frequency synchronization in a mobile integrated access backhaul deployment
Implementations of advanced frequency synchronization in a mobile integrated access backhaul deployment are disclosed. An apparatus includes at least one processor, and at least one non-transitory memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to perform: estimate a change in a propagation delay at two time instants, measure a time period of the two time instants using a local clock of a network node, wherein the two time instants correspond to a known timing of a received signal, subtract the change of the propagation delay from the measured time period, calculate a difference between the subtracted time period and a known timing of the received signal; and convert the difference to a frequency offset value to synchronize downlink transmission frequency between the network node and a parent node. |
| US11997623B2 |
Information transmission method and device
An information transmission method and device are provided, and relate to the field of communications technologies, to resolve a problem that signaling overheads are relatively high in a resource scheduling process in a related technology. The method includes: sending first target information on a first target resource of a first sending device, where the first target resource is related to at least one of the following: M first modes of the first sending device, N first synchronization sources found by the first sending device, and indication information, the M first modes include at least one of the following: a second mode supported by the first sending device, and a current third mode of the first sending device, the indication information is used to indicate that the first sending device is within or outside coverage of a first target synchronization source, the first target synchronization source is at least one of the N first synchronization sources, and M and N are positive integers. |
| US11997619B2 |
Power boost in communication system
Representative implementations of devices and techniques provide communication between networked nodes operating on a communication network medium. In an implementation, a node generates a broadcast frame that includes at least a preamble and a payload. The preamble of the broadcast frame may include auxiliary information. The auxiliary information may be associated with one or more symbols of the preamble. The auxiliary information may contain power boost information. |
| US11997616B2 |
Methods and apparatus to facilitate managing multi-sim concurrent mode for co-banded or spectrum overlap carriers
Apparatus, methods, and computer-readable media for facilitating managing multi-SIM concurrent mode for TDD co-banded or spectrum overlap carriers are disclosed herein. An example method for wireless communication at a user equipment (UE) includes estimating a maximum transmit power for a first subscriber based on a low-noise amplifier (LNA) input power threshold associated with an active receive chain of a second subscriber, where the UE comprises the first subscriber and the second subscriber. The example method also includes transmitting, via an active transmit chain of the first subscriber, an uplink transmission at the first subscriber maximum transmit power based on the first subscriber and the second subscriber operating concurrently, and a transmit power associated with the uplink transmission being greater than the first subscriber maximum transmit power. |
| US11997615B2 |
Transmission of feedback to edge transceiver via in-band on-channel (IBOC) mesh network
A mesh network includes multiple in-band on-channel (IBOC) transceivers, connected in a mesh configuration. A first IBOC transceiver receives first broadcast content for IBOC transmission, and transmits the first broadcast content to a second IBOC transceiver, which broadcasts the first broadcast content within a first IBOC broadcast area. the second IBOC transceiver receives feedback related to the first broadcast content from a user device within the first IBOC broadcast area, and transmits the feedback to an edge transceiver via a communication path including the first IBOC transceiver. |
| US11997614B2 |
Systems and methods for providing planned spectrum allocation for shared spectrum
Techniques are provided for more efficiently determining frequency spectrum to allocate to General Authorized Access (GAA) citizens broadband radio service device(s) (CBSD(s)). Efficiency is enhanced by forming interference groups. Each of interference group may be analyzed in parallel and substantially contemporaneously, e.g., using parallel processing. |
| US11997612B2 |
Method and apparatus for power control
A method for power control in a terminal device includes determining service types of at least one service to be performed by the terminal device; configuring a target transmit power corresponding to each service performed by the terminal device according to each service type and a power-controlled transmit power of the terminal device. A terminal device for executing the method for power control is also disclosed. |
| US11997611B2 |
Power control method and apparatus
Embodiments of the present application provide a power control method and apparatus. The method comprises: determining an effective transmit power control (TPC) command window according to a preset physical downlink control channel (PDCCH) in a plurality of PDCCHs that are repeatedly transmitted, the preset PDCCH comprising the first PDCCH or the last PDCCH in the plurality of PDCCHs; determining a closed-loop power adjustment state according to a TPC command in the effective TPC command window; and according to the closed-loop power adjustment state, determining the transmit power of an uplink signal of a terminal device. |
| US11997607B2 |
Method for performing PDCCH monitoring by terminal in wireless communication system and terminal using said method
The present specification provides a method of performing physical downlink control channel (PDCCH) monitoring by a terminal in a wireless communication system, comprising the steps of: receiving, from a network, information related to power saving; and performing the PDCCH monitoring on the basis of the received information related to the power saving, wherein the information related to the power saving, which is a single piece of information, is information indicating at least one of whether the terminal is to perform a wake-up operation or whether the terminal is to perform a sleep operation. |
| US11997606B2 |
Uplink transmission in a wireless communication system
A wireless device receives radio resource control message(s) comprising configuration parameters of a cell. The configuration parameters comprise a first configuration of a first sounding reference signal of the cell in a first power state, and a second configuration of a second sounding reference signal of the cell in a second power state. A first command indicating transition of the cell into the first power state is received. In response to the first command, the first sounding reference signal is transmitted via the cell. A second command indicating transition of the cell into the second power state is received. In response to the second command, the second sounding reference signal is transmitting via the cell. |
| US11997603B2 |
Methods and apparatus for monitoring wake up signal
The disclosure relates to a communication method and system for converging a 5th generation (5G) communication system for supporting higher data rates beyond a 4th generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and apparatus for monitoring wakeup signal and method and apparatus for securing unicast V2X communication are provided. |
| US11997597B2 |
Method of monitoring physical downlink control channel for power saving signal and related device
A method for a user equipment (UE) monitoring a physical downlink control channel (PDCCH) for power saving signaling is disclosed. The method comprises receiving a discontinuous reception (DRX) configuration from a base station (BS) to configure the UE to monitor a scheduling signal on the PDCCH within a DRX active time, and receiving a configuration from the BS to configure the UE to monitor the power saving signaling on the PDCCH and instructing the UE to wake up for monitoring the scheduling signal in the DRX active time, wherein the configuration includes a time in milliseconds prior to a start of a DRX on-duration time, and instructs the UE to start monitoring the PDCCH for the power saving signaling. |
| US11997594B2 |
Dynamic selection of an anchor node
Systems and methods are provided for dynamically selecting a dual connectivity anchor node for a user device. It is determined that the user device is located in an area having two or more nodes that are able to provide coverage to the user device in the area. From broadcast messages, it is determined whether each of the two or more nodes has a CDRX mode enabled or disabled. Then, a QCI is determined for the user device. Based on whether the each of the two or more nodes has the CDRX mode enabled and the QCI for the user device, one of the two or more nodes is selected as the dual connectivity anchor node for the user device. |
| US11997586B2 |
Network slice quota management during roaming
The present disclosure proposes solutions for monitoring, controlling and enforcement the number of the UEs per Network Slice quota in roaming. It proposes new Network Slice Quota (NSQ) service and service operations for Network Slice quota subscription, monitoring, update and notification in both, the home network and in the visiting network. |
| US11997584B2 |
Activation of a home automation controller
Embodiments of the present invention provide a single platform that provides controller functionality for each of security, monitoring and automation, as well as providing a capacity to function as a bidirectional internet gateway. Embodiments of the present invention provide such functionality by virtue of a configurable architecture that enables a user to adapt the system for the user's specific needs. Embodiments of the present invention further provide for a software-based installation workflow to activate and provision the controller and associated sensors and network. Embodiments of the present invention also provide for downloading of previously-stored configuration data to the controller from a remote server, and for activation and provisioning of the controller from the previously-stored configuration data. |
| US11997581B2 |
End device communication
Embodiments disclosed herein relate to enabling direct wireless device-to-device communication between sleepy end devices (SEDs) of a mesh (e.g., Thread®) network. A router may forward packets between end devices of the mesh network. However, if the router is not available, SEDs may not be able to communicate with each other using a mesh protocol. Embodiments presented herein enable end devices of the mesh network to communicate directly, without a router. Some embodiments are directed to changing a role of an end device to temporarily act as a router for a particular target end device. The role change may be based on a trigger event and may be temporary until a target action is performed by the target end device. In some embodiments, the end devices continue to operate as SEDs and use coordinated sampled listening techniques to communicate via the mesh protocol. |
| US11997580B2 |
Signal transmission using plurality of APs in wireless LAN system
A method performed in a wireless local area network (LAN) system is presented. Particularly, a first type access point (AP) #1 can receive a trigger frame from a second type AP. The first type AP #1 can transmit a null data packet (NDP) request frame to a first station (STA). The first type AP #1 can receive a first NDP frame from the first STA, and receive a second NDP frame from a second STA. The first type AP #1 can receive a feedback request frame from the second type AP. The first type AP #1 can transmit an NDP feedback frame to the second type AP on the basis of the first and second NDP frames. |
| US11997577B2 |
Open channel communication system
Described is an open communication system. The system includes a server having a memory storing user data and a first user computing device coupled to the server. The server may be programmed to allow multiple user computing devices to connect to the server and the server determines if the user computing devices are within a predetermined proximity to each other and whether the same communication channel is selected. All of the user computing devices that have selected the same communication channel and are within the predetermined proximity to each may be connected in an open communication link that allows the connected user to communicate. The system may include the option of establishing and invite particular users to a private or less used channel. |
| US11997574B2 |
Systems and methods for a micro-service data gateway
Systems and methods for a micro-service data gateway are provided. In some embodiments, the micro-service data gateway comprises at least a micro-service data reflector and a micro-service data synthesizer. The data reflector operates to serve cached micro-service data in response to UE micro-service data requests. The reflector receives requests for micro-service data available from at least one data source exposed by a network exposure function (NEF) of a network operator core, retrieves the micro-service data from a data cache comprising at least a subset of micro-service data available from the data source, and provides the micro-service data to a requestor of the micro-service data. The synthesizer operates to ensure that the cache of micro-service data available to the reflector is fresh and updated. The micro-service data gateway may be positioned near the UE at a network edge of the core network and/or in part implemented within the UE. |
| US11997569B2 |
Base station and system for communication of RRC signaling and an SRS in a target subframe
Methods, apparatuses, and systems for transmitting an uplink signal between a plurality of carriers are disclosed. In an example method, user equipment receives indication signaling sent by a base station. The user equipment transmits an uplink signal in a target subframe of a corresponding target carrier based on the indication signaling. |
| US11997565B2 |
Trajectory masking by injecting maps using virtual network functions
Masking a route by determining a first location of a first user, receiving destination data for the first user, generating a plurality of map segments according to the first location and the destination data, presenting a first map segment to a second user, determining a second location of the first user, and presenting a second map segment to the second user according to the second location. |
| US11997564B2 |
Electronic device and method for supporting positioning communication
Example embodiments include an electronic device and a method for operating an electronic device. The electronic device includes an ultra-wide band (UWB) antenna including directional antennas disposed on a rear surface of the electronic device and at least one omnidirectional antenna. The electronic device further includes a communication circuit configured to transmit and/or receive radio frequency (RF) signals of a frequency band designated to be used for UWB communication, through the UWB antenna, with an external electronic device. The electronic device further includes a processor configured to calculate a first distance value and a second distance value, and to determine, based on a distance difference between the first distance value and the second distance value, whether the external electronic device exists within a field of view (FoV) indicating a specified angular range with respect to the direction to which the rear surface faces. |
| US11997557B2 |
Mobile communication system, master base station, secondary base station, target base station and user equipment
When being connected to a macro cell (S-MeNB) and a small cell (SeNB), a user equipment device performs a pre-handover process of disconnecting the connection with the SeNB before a handover process of switching a macro cell connected with the UE from the macro cell (S-MeNB) that is a moving source to a macro cell (T-MeNB) that is a moving destination along with moving of the UE, and after the handover process, performs a post-handover process of reestablishing the connection with the SeNB. |
| US11997555B2 |
Cell selection/reselection by a user equipment trying to camp on a radio cell of a public land mobile network
A method for cell selection and/or cell reselection handling includes: performing, by a user equipment, a cell selection and/or cell reselection procedure wherein both a first radio cell and a second radio cell fulfill a cell selection criterion with the first radio cell being prioritized relative to the second radio cell; attempting, by the user equipment, to connect to a public land mobile network using a random access channel of a first base station entity, and failing to connect to the public land mobile network using the random access channel of the first base station entity; and performing, by the user equipment, a modified cell selection and/or cell reselection procedure, under unchanged radio conditions, whereby the user equipment attempts to connect to the public land mobile network using a random access channel of the second base station entity. |
| US11997553B2 |
Cell camping method and device
A cell camping method and a terminal device selects a first cell having a quality of service reference value highest among cells found by the terminal device for current camping. When a quality of service reference value of the first cell is less than a first threshold, the terminal device sends a first measuring report or determines not to send a second measuring report such that the terminal device avoids performing cell handover. |
| US11997550B2 |
Method and device for performing handover in wireless communication system
A method of performing a conditional handover by a UE may include: receiving an RRC message associated with the conditional handover; performing a first conditional handover to a first candidate cell among a plurality of candidate cells based on the RRC message; and in a case where the first conditional handover is successful, performing a random access to the first candidate cell, and in a case where the first conditional handover fails, when a second candidate cell that meets a condition exists, performing a second conditional handover to the second candidate cell. |
| US11997549B2 |
Blind decoding limits for dual active protocol stack (DAPS) handover
This disclosure provides systems, methods and apparatus including computer programs encoded on computer storage media, for a user equipment (UE) to determine and apply limits to physical downlink control channel (PDCCH) processing in a dual active protocol stack handover scenario. In one aspect, the UE utilizes a joint blind decode capability for both a source cell group and a target cell group to determine whether a total limit for PDCCH candidates to monitor or non-overlapped control channel elements (CCEs) to monitor is applicable. The UE may identify a per cell limit for each configured single transmit receive point (TRP) cell and each multiple TRP cell based on a sub-carrier spacing SCS of the cell and the determination. The UE may include an interface configured to obtain a PDCCH for a slot. The UE may perform blind decoding operations on CCEs up to the per cell monitoring limit for each cell. |
| US11997548B2 |
User equipment and base station participating in packet duplication during handover for NR
The present disclosure relates to a source base station. The source base station comprises a processing circuitry that generates a user equipment packet duplication status. The user equipment packet duplication status includes information on the status of uplink packet duplication performed by a user equipment with the source base station and at least one further base station. The information on the status of uplink packet duplication is per uplink radio bearer, one or more uplink radio bearers being established between the user equipment and the source base station. The source base station further comprises a transmitter that transmits the user equipment packet duplication status to a target base station which is the target of a handover from the source base station performed for the user equipment. |
| US11997540B2 |
Techniques for displaying a radio access technology status indication based on bandwidth metrics
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine that the UE is connected to a wireless network on a first carrier frequency in a first frequency range that is associated with a lower data rate than a second carrier frequency in a second frequency range. In some aspects, the first frequency range may be associated with a first version of a radio access technology (RAT) and the second frequency range may be associated with a second version of the RAT. The UE may determine a bandwidth metric associated with the first carrier frequency in the first frequency range. The UE may display a first visual indicator associated with the first version of the RAT or a second visual indicator associated with the second version of the RAT based on the bandwidth metric. Numerous other aspects are described. |
| US11997539B2 |
User-plane apparatus for edge computing
There is disclosed example techniques to include obtaining a filtering rule via a control plane message that includes information to identify a source of a general packet radio service (GPRS) tunneling protocol (GTP) user-plane (GTP-U) packet. The example techniques also include configuring, based on the information to identify the source, a virtual switch to identify the source of the GTP-U packet to use in the filtering rule to cause a received GTP-U packet to be sent to a local edge server or a mobile core network for processing based on at least a portion of a first extension header included in the GTP-U packet. |
| US11997538B2 |
Communication method and communications apparatus
A communication method enables a base station to allocate a radio resource to a data packet of a time sensitive networking (TSN) network in a scenario in which the TSN network transmits the data packet through a 5G network. The method includes: obtaining, by an access network device, a first traffic pattern, and allocating a radio resource to a first traffic based on the first traffic pattern. The first traffic pattern includes time information of the first traffic with respect to a first clock. The first clock is a clock used by a first network. The access network device belongs to the first network. The time information includes a time point and/or a period at/in which a data packet of the first traffic arrives at the first network. |
| US11997533B2 |
Uplink segmentation offload to modem
This disclosure provides a method, apparatus, and computer-readable medium for wireless communication at a modem, comprising receiving, via an interface with a host, an internet protocol (IP) packet including a first transport protocol header and a first IP header. The IP packet has a size greater than a maximum transport unit (MTU) size allowable for each packet transmitted over a communication link. The modem segments the IP packet into a plurality of segments based on a segment size indicated by a segmentation policy. Each segment includes a respective derived segment transport protocol header and a respective derived segment IP header derived from the IP packet. Each of these derived headers includes at least one field based on the segmentation policy, and each of the segment transport protocol headers includes a checksum for the respective segment. Additionally, the modem transmits the plurality of segments over the communication link. |
| US11997527B2 |
Method and system for controlling the use of dormant capacity for distributing data
A method and system for controlling the use of dormant capacity for distributing data includes communicating data as part of a regular traffic load through a network having an overall network capacity, determining a dormant capacity of the network based on regular network traffic load, delivering content to a plurality of devices through the network, receiving the data at the plurality of devices, based on receiving the data, measuring an efficiency metric at each of the plurality of devices, communicating the efficiency metric of the devices to a service provider, receiving the efficiency metric at the service provider from the devices, receiving a resource usage report from the network, determining a target throughput for each of the plurality of devices based on the resource usage report and communicating second data to the plurality of devices from a content delivery service based on the target throughput using the dormant capacity. |
| US11997519B2 |
Method and apparatus for receiving and transmitting configuration information and communication system
A method and apparatus for receiving and transmitting configuration information and a communication system. The method includes: receiving, by a terminal device, first configuration information used for radio link monitoring transmitted by a network device, the first configuration information at least including threshold configuration of the radio link monitoring and/or resource configuration used for the radio link monitoring. Hence, not only introduction of beams may be supported and different services having different link quality demands may be supported, but also flexibility and accuracy of configuration of radio link monitoring may be improved. |
| US11997518B2 |
Method and device for transmitting and receiving wireless signal in wireless communication system
A method for a terminal to transmit or receive a signal in a wireless communication system according to an embodiment of the present invention can include: monitoring physical downlink control channel (PDCCH) candidates; obtaining downlink control information (DCI) through a PDCCH detected in a first slot as a result of monitoring the PDCCH candidates; and receiving a physical downlink shared channel (PDSCH) or transmitting a physical uplink shared channel (PUSCH) in a second slot on the basis of the DCI. |
| US11997516B2 |
HARQ feedback method and device for multicast communication, storage medium, and terminal
An HARQ feedback method and device for multicast communication, a storage medium, and a terminal. The method comprises: in response to a failure to decode a sidelink control information, listening to HARQ feedback informations of other UEs in a group; determining, according to the HARQ feedback informations of the other UEs in the group, whether or not a HARQ-NACK feedback information or a data request information needs to be sent; and if so, sending the HARQ-NACK feedback information or the data request information over a preset resource. The solution provided by the present invention can effectively improve communication reliability. |
| US11997515B2 |
Method and device for transmitting or receiving wireless signal in wireless communication system
The present invention relates to a wireless communication system and, more specifically, to a method and a device therefor, the method comprising the steps of: receiving, as a part of an RRC connection procedure, CORESET configuration information relating to a BWP, the CORESET configuration information including information relating to a frequency resource configuring a CORESET; monitoring PDCCH candidates in one or more CORESETs in the BWP; and detecting a PDCCH on the basis of the monitoring, wherein the same CORESET is configured for each of subbands in the BWP according to the frequency resource, on the basis of (i) the BWP including a plurality of subbands, and (ii) the frequency resource confined within one subband. |
| US11997514B2 |
Determination of UE-specific PDCCH monitoring occasions
A method, a computer-readable medium, and an apparatus are disclosed. The apparatus may be a UE. The apparatus may transmit, to a base station, an indication of a UE capability for PDCCH monitoring. The apparatus may configure, based on the UE capability for PDCCH monitoring, first MOs of a USS set to align with second MOs of a CSS set. The apparatus may monitor, based on the configuration, for a plurality of PDCCHs during PDCCH MOs. The PDCCH MOs may correspond to the first MOs or the second MOs. The first MOs of the USS set may be adjusted dynamically to be in same slots as the second MOs of the CSS set or to be within a predefined range of the second MOs of the CSS set. |
| US11997507B2 |
Perspective determination method, perspective determination apparatus and program
A line-of-sight determination method includes: a point cloud data acquisition step of acquiring point cloud data including a first position indicating a position of a first wireless station and a plurality of second positions indicating positions on a structure serving as a candidate in which a second wireless station opposing the first wireless station is to be installed; and a line-of-sight determination step of determining whether or not there is a line of sight between the first position and at least one of the second positions, and determining whether or not there is a line of sight between the first wireless station and the structure based on the determination result. In the line-of-sight determination step, if it has been determined that there is no line of sight between the first position and a first second position of the second positions, it is not determined whether or not there is a line of sight between the first position and a second second position among the second positions, the second second position being located in the vicinity of the first second position. |
| US11997504B2 |
Dynamic spectrum sharing reduced overhead operation
In dynamic spectrum sharing between a first radio access type and a second radio access type, information indicating indirectly whether a minimum resources are reserved for downlink reference transmissions of the first radio access type, is used to determine in devices rate matching scheme to be used, or to determine resources which can be used. |
| US11997503B2 |
System, method, and apparatus for providing dynamic, prioritized spectrum management and utilization
Systems, methods, and apparatuses for providing dynamic, prioritized spectrum utilization management. The system includes at least one monitoring sensor, at least one data analysis engine, at least one application, a semantic engine, a programmable rules and policy editor, a tip and cue server, and/or a control panel. The tip and cue server is operable utilize the environmental awareness from the data processed by the at least one data analysis engine in combination with additional information to create actionable data. |
| US11997502B2 |
System, method, and apparatus for providing optimized network resources
Systems, methods, and apparatuses for providing optimization of network resources. The system is operable to monitor the electromagnetic environment, analyze the electromagnetic environment, and extract environmental awareness of the electromagnetic environment. The system extracts the environmental awareness of the electromagnetic environment by including customer goals. The system is operable to use the environmental awareness with the customer goals and/or user defined policies and rules to extract actionable information to help the customer optimize the network resources. |
| US11997501B2 |
System, method, and apparatus for providing dynamic, prioritized spectrum management and utilization
Systems, methods, and apparatuses for providing dynamic, prioritized spectrum utilization management. The system includes at least one monitoring sensor, at least one data analysis engine, at least one application, a semantic engine, a programmable rules and policy editor, a tip and cue server, and/or a control panel. The tip and cue server is operable utilize the environmental awareness from the data processed by the at least one data analysis engine in combination with additional information to create actionable data. |
| US11997497B2 |
Systems and methods for supporting location and country determination for 5G satellite access
Satellite access to a PLMN with a Fifth Generation (5G) core network (5GCN) is supported by a serving satellite NodeB (gNB). The gNB determines or verifies the country in which a user equipment (UE) is located to ensure that the UE is located in the same country as the PLMN. The gNB may determine the country of the UE based on UE measurements from broadcast satellite signals and a positioning ID (PID) broadcast for each radio cell. The PID frequently changes to prevent spoofing. The gNB may use multiple UE measurements from a moving radio cell over a period of time to generate a more accurate location for the UE. The gNB may indicate to a 5GCN whether the country of the UE has been verified. The 5GCN will determine the location and country of the UE if the gNB indicates that the country is not fully verified. |
| US11997495B2 |
Transfer functionality between secure elements servers
It is provided a method for transferring and managing data packages between a first portable secure element, SE, server implemented in a portable device (100, 200) and a second portable SE server implemented in an embedded UICC, eUICC (120, 240), comprised in a user's device (110, 230) which is local to the portable device (100, 200), the first and second portable SE severs comprising Subscription Manager, SM, functionalities, the method comprises the first and the second portable SE servers establishing off-line communication using local data transport protocols in a secured mode, the first or the second portable SE server implementing first transfer functionalities (140) for performing secure transfer of the data packages and the first or the second portable SE server implementing second transfer functionalities (140) for performing end-to-end securing of the data packages after the secure transfer of the data packages. |
| US11997488B2 |
Method and apparatus for managing and verifying certificate
A method of managing and verifying a certificate of a terminal is provided. The method includes obtaining certificate information that is usable when downloading and installing a specific bundle corresponding to at least one of a secondary platform bundle family identifier or a secondary platform bundle family custodian identifier, transmitting, to a secondary platform bundle manager, the certificate information corresponding to the at least one of the secondary platform bundle family identifier or the secondary platform bundle family custodian identifier of the specific bundle, and receiving, from the secondary platform bundle manager, at least one of a certificate of the secondary platform bundle manager, certificate information to be used by a smart secure platform (SSP), the secondary platform bundle family identifier, or the secondary platform bundle family custodian identifier. |
| US11997487B2 |
Wireless power transfer device authentication
A method for authentication for wireless power transfer which comprises: receiving an initial certificate signed using a private key associated with an intermediate certificate authority (CA) certificate; determining that the intermediate CA certificate is revoked; determining if a replacement certificate for the initial certificate exists; and if a replacement certificate for the initial certificate exists, trusting a wireless power transfer device associated with the initial certificate. |
| US11997486B2 |
Method and system of providing WiFi credentials through remote invitations
Computer implemented methods, systems, and computer program products are provided including identifying a new reservation from an electronic device for automatic access to a network; conveying the credentials to the electronic device prior to arriving at a structure associated with the network; and granting access to a network once the electronic device is detected by the network. |
| US11997482B2 |
Association protection for wireless networks
Certain aspects of the present disclosure relate to wireless communications. According to certain aspects, a method that may be performed by an access point (AP) includes outputting, for transmission to an access point (AP), a request to associate with the AP, wherein the request is encrypted with a first set of one or more keys; obtaining, from the AP, a response to the request; decrypting the response, based on the first set of keys, to obtain a second set of one or more keys; and using the second set of keys for secure data exchange with the AP. |
| US11997479B2 |
Key derivation for non-3GPP access
A method for key derivation for non-3GPP access. The method includes determining a particular non-3GPP access type, wherein the particular non-3GPP access type is one of N different particular non-3GPP access types (N>1), and each one of the N particular non-3GPP access types is associated with a unique access type distinguisher value. The method also includes generating (s604) a first access network key using a key derivation function and the unique access type distinguisher value with which the determined particular non-3GPP access type is associated, thereby generating a first access network key for the particular non-3GPP access type. |
| US11997478B2 |
System and method for securing electronic message
The present invention disclose a system for securing transmission of electronic message, said system comprising: at least one non-transitory computer readable storage device and one or more processors operatively coupled to the storage device on which are stored modules of instruction code which when executed by said one or more processors implements messages Security Proxy and message security (SMS) router for identifying message based on sender address; wherein said messages Security Proxy monitor communication to cellular mobile devices through subscriber serving node through message router, using HLR or HSS service wherein said Security Proxy is configured buffering the messages and verify authenticity of the Message recipient, incase authenticated send messages and otherwise blocking the message. |
| US11997477B2 |
Prevention of malicious attacks via user equipment deregistration process in communication system
Improved security management techniques between user equipment and a communication system are provided. For example, techniques are provided for preventing malicious attacks via a user equipment deregistration process. In one example, a method comprises sending a deregistration request message from the given user equipment to a communication system to which the given user equipment is registered, wherein the deregistration request message is security-protected and comprises a temporary identifier assigned to the given user equipment. By not sending the deregistration request message with a subscription concealed identifier, the given user equipment prevents a malicious actor from succeeding with a deregistration attack replaying the subscription concealed identifier. Furthermore, by ignoring a deregistration request message with a subscription concealed identifier, an access and mobility management element of the communication system prevents a malicious actor from succeeding with a deregistration attack replaying the subscription concealed identifier. |
| US11997473B2 |
System and method for audio signal placement and projection
System and method for projecting audio signals to an operator of a teleoperational surgical system to convey spatial orientation associated with the audio signals to the operator. Characteristics of the audio signals such as direction and volume may be selected to give the impression that the remote operator is positioned locally next to the patient. Characteristics of the audio signals may also be modified to provide spatial translations between actual locations of audio sources within a physical audio environment and simulations locations of the audio sources with a virtual audio environment. |
| US11997472B2 |
Signal processing device, signal processing method, and program
The present technology relates to a signal processing device, signal processing method, and program capable of providing a higher realistic feeling.A signal processing device includes: an acquisition unit that acquires audio data of an audio object and metadata including position information indicating a position of the audio object and direction information indicating a direction of the audio object; and a signal generation unit that generates a reproduction signal for reproducing a sound of the audio object at a listening position on the basis of listening position information indicating the listening position, listener direction information indicating a direction of a listener at the listening position, the position information, the direction information, and the audio data. The present technology is applicable to a transmission reproduction system. |
| US11997466B2 |
Acoustic transducer systems and methods of operating acoustic transducer systems for optimizing barge-in performance
Acoustic transducer systems and methods of operating acoustic transducer systems are provided. The methods can involve: receiving an input audio signal; determining a position of a diaphragm; determining a correction factor, a motor force factor, a spring error factor, and a system spring factor based at least on the position of the diaphragm; determining a corrected voice coil current based at least on the input audio signal, the correction factor, the spring error factor, and a velocity of the diaphragm; and applying a corrected audio signal to a voice coil fixed to the diaphragm based at least on the corrected voice coil current, wherein the corrected audio signal corrects the input audio signal to compensate for non-linear characteristics of the acoustic transducer system. |
| US11997465B2 |
Speaker device
A speaker device is provided. The speaker device includes a frame, a vibration unit and a magnetic circuit unit. The vibration unit and the magnetic circuit unit are fixed to the frame. The magnetic circuit unit is configured to drive the vibration unit to vibrate to produce sound. The magnetic circuit unit includes a yoke. The yoke and the frame are spaced to form a leakage port. The vibration unit includes a diaphragm, a voice coil, and an elastic support assembly. The auxiliary diaphragm has one end fixed to the frame and the other end connected to the voice coil. The auxiliary diaphragm is provided with multiple vents spaced and penetrating the auxiliary diaphragm. The present disclosure can increase the circulation of gases above and below the auxiliary diaphragm, so that a side leakage effect of the speaker device is improved, thereby improving acoustic performance of the speaker device. |
| US11997460B2 |
Electronic device for audio input and method for operating the same
An electronic device and method are disclosed. The electronic device includes an internal microphone, a communication module, and at least one processor. The processor implements the method, including: receiving, through the communication module, a first audio signal input through an external microphone included in an external electronic device communicatively connected to the electronic device, activating the internal microphone in response to detecting a device switch event switching from the external microphone to the internal microphone while receiving the first audio signal, receiving a second audio signal input through the internal microphone, synchronizing and mixing the first audio signal and the second audio signal during a designated first time period, and deactivating the external microphone upon detecting lapse of the designated first time period. |
| US11997459B2 |
Crowd-sourced device latency estimation for synchronization of recordings in vocal capture applications
Latency on different devices (e.g., devices of differing brand, model, vintage, etc.) can vary significantly and tens of milliseconds can affect human perception of lagging and leading components of a performance. As a result, use of a uniform latency estimate across a wide variety of devices is unlikely to provide good results, and hand-estimating round-trip latency across a wide variety of devices is costly and would constantly need to be updated for new devices. Instead, a system has been developed for crowdsourcing latency estimates. |
| US11997458B2 |
Contact hearing systems, apparatus and methods
The present invention is directed to a hearing aid which includes a lateral ear canal assembly and a medial ear canal assembly. In embodiments of the invention the medial ear canal assembly may include smart circuitry adapted to control parameters and outputs of the medial ear canal assembly. In embodiments of the invention various methods and circuitry are described, wherein the methods and circuitry are adapted to improve the performance and efficiency of the hearing aid. |
| US11997456B2 |
Spatial audio capture and analysis with depth
Spatial audio signals can include audio objects that can be respectively encoded and rendered at each of multiple different depths. In an example, a method for encoding a spatial audio signal can include receiving audio scene information from an audio capture source in an environment, and receiving a depth characteristic of a first object in the environment. The depth characteristic can be determined using information from a depth sensor. A correlation can be identified between at least a portion of the audio scene information and the first object. The spatial audio signal can be encoded using the portion of the audio scene and the depth characteristic of the first object. |
| US11997455B2 |
System and method for processing multi-directional signals and feedback to a user to improve sleep
In an example, the present technique provides a method for processing signals from a human user in connection with a sleep state. Preferably, the method includes using information from the signals for digital cognitive behavioral therapy to improve a sleep state of the human user. In an example, the method generally includes sensing of human activities, processing information from such sensing, outputting a task to the user, monitoring a reaction from the user, and adjusting any one of the aforementioned, to improve a sleep state of the user. |
| US11997454B1 |
Power efficient acoustic tracking of sound sources
A method of tracking sound sources in an environment by monitoring the local area with a primary sensor system comprising a microphone array. The location of sound sources in the local area are tracked using the monitored sound. If an ambiguity is determined in the tracked location of the sound source, a secondary sensor system is activated. The secondary sensor system has a larger power draw than the primary sensor system. The secondary sensor system determines the updated location of the sound source. The tracked location of the sound sources is updated to be the updated location. Once the location is updated, the secondary sensor system is deactivated. |
| US11997447B2 |
Method and apparatus for earpiece audio feeback channel to detect ear tip sealing
An earpiece includes a housing including a sound output channel operatively coupled to a speaker formed within the housing. An ear canal feedback channel is formed extending alongside the sound output channel and operatively coupled to a microphone formed within the housing and a DSP operatively coupled to the microphone, the DSP including a voice activity detection module to detect a microphone audio data stream and discern between host audio data stream of audio played by the speaker and external ear canal noise captured in the microphone audio data stream at the microphone at the ear canal feedback channel. An audio processor receives the detected external ear canal noise and generate audio data descriptive of an opposite waveform to the detected external ear canal noise to playback and reduce the detected external ear canal noise. |
| US11997445B2 |
Systems and methods for live conversation using hearing devices
In one embodiment, a method includes, by a first electronic device: receiving, from an input sensor of the first electronic device, a predetermined input, where the predetermined input corresponds to a request to wirelessly connect the first electronic device to one or more second electronic devices within a communication range of a transceiver of the first electronic device, wirelessly connecting, using the transceiver of the first electronic device responsive to receiving the predetermined input, to the one or more second electronic devices using a communications profile associated with each of the one or more second electronic devices, where the communications profile includes one or more parameters for verifying to connect the first electronic device and the one or more second electronic devices, and redirecting a live audio communication between the first electronic device and a control device to the one or more second electronic devices. |
| US11997443B2 |
Earphones
The earphone includes a sound generation component including a transducer; at least a portion of the sound generation component extending into a concha cavity of a user; and an ear hook including a first portion and a second portion, the second portion being connected to the first portion, and being connected to the sound generation component to place the sound generation component at a position near an ear canal without blocking an opening of the ear canal. The sound generation component has a first projection on a sagittal plane, and the auricle has a second projection on the sagittal plane. A centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction. A ratio of the first distance to a height of the second projection in the vertical axis direction may be in a range of 0.35-0.6. |
| US11997441B2 |
Wireless earphone
In an embodiment a wireless earphone includes an earbud portion having a speaker module, a stalk portion having a battery, wherein the earbud portion is connected to one end of the stalk portion, a circuit board and a first antenna being a slot antenna, wherein the circuit board extends from the earbud portion to an end of the stalk portion away from the earbud portion, wherein the circuit board is connected to the speaker module and the battery, wherein the circuit board comprises a reference ground, the reference ground extending from one end of the circuit board to another end of the circuit board, and wherein a slot is disposed on the reference ground forming a radiator of the slot antenna, the slot being located in the stalk portion and extending along a length direction of the stalk portion. |
| US11997440B2 |
Management device and calculation method
Provided is a management device capable of communicating with a counting device that counts the number mold opening and closing cycles. The management device includes a memory and a processor. The processor outputs one or more index values that can be used for determining a next maintenance timing, by using a first value that is a count value acquired from the counting device, and one or more second values that are count values, at a last maintenance time, stored in the memory. |
| US11997438B2 |
Declarative IoT data control
The disclosed technology is generally directed to communications in an IoT environment. For example, such technology is usable for IoT data control. In one example of the technology, a declarative data request is received. The declarative data request is a request for data from multiple IoT devices. The declarative data request is translated into a plurality of individual requests. Destination IoT devices associated with the plurality of individual requests are identified. The plurality of individual requests to the destination IoT devices are sent. IoT data is received from the destination IoT devices based on the plurality of individual requests. The declarative data request is responded to based on the received IoT data. |
| US11997432B2 |
Display apparatus
A display apparatus for displaying video made by laser light includes at least one laser of which the light output varies in accordance with current, a storage unit configured to store at least one conversion table for correcting current-light output characteristics of the laser so as to approximate to desired characteristics, and a control unit configured to retrieve the conversion table from the storage unit to cause the at least one laser to emit light based on data converted using the conversion table. |
| US11997427B2 |
Position-based visual interpretation of device interfaces
A system and method for extracting uncoupled information from a user interface output that includes collecting image data; processing the image data associated with the device interface source; and exposing the result to the extracted interface representation. |
| US11997426B1 |
System and method for generating a personalized virtual stage
A system for conducting a video conference and methods for making and utilizing the same. The system can generate a first virtual stage for a first participant in the video conference by selecting one or more items of personal information associated with the first conference participant and disposing the selected personal information items in a predetermined arrangement. The first virtual stage can be transmitted with a first visual image of the first conference participant to a computer system associated with a second conference participant for visual presentation during the video conference. The system advantageously can enable the computer system associated with each conference participate to visually present a visual image with an associated virtual stage for each of the other conference participants. |
| US11997421B2 |
Cable device
A device can include a video cable that includes opposing ends; and a human presence sensor operatively coupled to the video cable between the opposing ends. |
| US11997420B2 |
Audio and video transmission devices and audio and video transmission systems
Audio and video transmission device and audio and video transmission system are provided. The audio and video transmission system includes an audio and video transmission device and at least one wireless microphone transmitting device. Each of the at least one wireless microphone transmitting device is configured to send an audio signal acquired by a wireless microphone to the audio and video transmission device. The audio and video transmission device is configured to be respectively connected to the wireless microphone transmitting device and an external video acquisition device and configured to: receive the audio signal from the wireless microphone transmitting device and transmit the audio signal to the video acquisition device, obtain a mixture signal generated by the video acquisition device from the audio signal and a video signal, and process and output the mixture signal. |
| US11997418B2 |
Indirect viewing system and method for adjusting a frame rate
An indirect viewing system for a vehicle has at least one image capture device (2) having an image sensor (3) for continuously taking images at a first frame rate, an image memory (4) that temporarily stores images for processing that is temporally after the images are captured, and an image processing device (6) adapted to continuously compute at least one new image from at least two successively taken images, the computed new images having a second frame rate different from the first frame rate, and an image output device (5) for outputting the continuously computed new images at the second frame rate. |
| US11997412B2 |
Optical device for a thermal sensor and a hybrid thermal sensor
An imaging device includes: a sensor to detect a first target spectrum, the first target spectrum corresponding to a thermal imaging region of an infrared (IR) spectrum; and an optical device to transmit external light to the sensor, the optical device including: a substrate; and a plurality of nanostructures on the substrate, and to collimate at least the first target spectrum in the external light on the sensor. The plurality of nanostructures are spaced apart from each other, and at least one of the plurality of nanostructures has a different geometric size from that of another. |
| US11997408B2 |
Image sensor
An image sensor for electronic cameras has a plurality of pixels for generating exposure-dependent signals, wherein a respective pixel at least comprises at least one light-sensitive element; a readout node; a transfer gate; a converter transistor; and a selection switch that is connected to a signal output of the converter transistor to selectively couple the signal output to a column line of the image sensor. The column line is coupled or can be coupled to a negative input of an associated column amplifier via an input capacitor, wherein an amplifier output of the column amplifier is connected to a column readout circuit and to a compensation line. The compensation line is coupled via a respective feedback capacitor to the respective readout node of the associated pixels. |
| US11997407B2 |
Photodetection device
A photodetection device according to the present disclosure includes: a light-receiving pixel; a power supply terminal; a ground terminal; a switch; and a first discharge circuit. The light-receiving pixel includes a light receiver that generates electric charge corresponding to an amount of received light. The switch includes a first terminal and a second terminal. The first terminal is coupled to a first node led to the light receiver. The second terminal is coupled to a second node led to the power supply terminal. The switch couples the first node and the second node by being turned on. The first discharge circuit is coupled to the first node and a third node led to the ground terminal. The first discharge circuit is configured to discharge electricity from the third node toward the first node. |
| US11997406B2 |
Imaging apparatus and imaging sensor
The pixel region includes a first phase difference pixel group including a plurality of the phase difference pixels of which the first side of the photoelectric conversion element is blocked by the light blocking layer in a first side region of the first side, and a second phase difference pixel group including a plurality of the phase difference pixels of which the second side of the photoelectric conversion element is blocked by the light blocking layer. The first phase difference pixel group includes a first A pixel and a first B pixel in which a light blocking area of the photoelectric conversion element using the light blocking layer is smaller than that of the first A pixel. The controller performs addition readout processing in which at least one of a pixel signal of the first A pixel or a pixel signal of the first B pixel is weighted in accordance with optical characteristics of the imaging lens. |
| US11997402B2 |
Vehicular image capturing system and image capturing method
Provided is a vehicular image capturing system capable of further improving characteristics such as a reduction in power consumption. The system includes: an event detection unit, installed in a vehicle, that outputs an event signal in accordance with an amount of change in an intensity of received light from a predetermined light receiving range; an image capturing unit, installed in the vehicle, that performs image capturing, the image capturing being an operation of generating and accumulating a charge in accordance with an intensity of received light from a predetermined image capturing range that at least partially overlaps with the predetermined light receiving range, and generating image information in accordance with an accumulation amount of the charge; and a control unit that outputs, to the image capturing unit, a control signal according to the event signal. |
| US11997400B2 |
Imaging element and electronic apparatus
An imaging device includes a first pixel group including first photoelectric conversion regions, and at least one first color filter on the first photoelectric conversion regions. The imaging device includes a second pixel group including second photoelectric conversion regions, and at least one second color filter on the second photoelectric conversion regions. The imaging device includes a dummy region between the first pixel group and the second pixel group in a first direction so that a first side of the dummy region is adjacent to the first pixel group and a second side of the dummy region is adjacent to the second pixel group. |
| US11997396B2 |
Processing apparatus, processing system, image pickup apparatus, processing method, and memory medium
An apparatus includes at least one processor configured to execute a plurality of tasks including a first normal acquiring task configured to acquire first normal information of an object, a designated area acquiring task configured to acquire a designated portion in the object, the designated area being designated by a user, a second normal acquiring task configured to acquire second normal information of the object, the second normal information being normal information having a lower frequency than a frequency of the first normal information, a virtual light source determining task configured to determine a virtual light source condition based on the second normal information corresponding to the designated portion, and a rendering task configured to generate a rendering image using the first normal information and the virtual light source condition. |
| US11997394B2 |
Systems and methods for calibrating and operating imaging systems with illumination external to a host
At least some embodiments are directed to systems and methods to optimize relative signal delays in vision systems having illumination assemblies separate from a host. In an example embodiment there is a system that includes a host device having, an imaging assembly coupled to the host device and operable to capture image data, and an illumination assembly coupled to the host device and operable to provide illumination. The system is configured such that the host transmits, to the imaging assembly, a series of exposure signals causing the imaging assembly to capture a series of frames and transmits, to the illumination assembly, a series of illumination signals causing the illumination assembly to provide the illumination as a series of strobes. Thereafter the host evaluate each frame to identify a peak-brightness frame and from that, based on a corresponding illumination signal, determines an appropriate relative signal delay for future operations. |
| US11997389B2 |
Control apparatus, method, and storage medium
A control apparatus for an imaging unit configured to change an imaging region by controlling at least one of pan, tilt, and zoom is provided whereby the control apparatus is configured to perform control for sequentially changing an image quality setting of an imaging unit based on a current imaging region, an imaging region associated with a preset setting, an image quality setting associated with the preset setting, and a current image quality setting. |
| US11997384B2 |
Focus setting determination
A method of determining a focus setting for an image capture device. The method comprises, for each of a plurality of image zones: obtaining a first value of a focus metric for the respective image zone using a first image captured with a first focus setting for the image capture device; obtaining a second value of the focus metric for the respective image zone using a second image captured with a second focus setting for the image capture device; and processing the first value and the second value to obtain an estimated focus setting for the respective image zone. The focus setting is determined by performing a weighted sum of the estimated focus setting for at least two of the plurality of image zones. |
| US11997383B2 |
Camera module extracting distance information based on a time-of-flight method
According to an embodiment of the present invention, disclosed is a camera module comprising: a light output unit for outputting an optical signal to an object; a sensor for receiving an optical signal reflected from the object; and a control unit for acquiring distance information about the object by using the phase difference of the received optical signal, wherein the sensor includes a non-extraction area from which the phase different is not extracted and an extraction area from which the phase difference is extracted and the control unit stops timing control for the received optical signal in the non-extraction area. |
| US11997382B2 |
Method for providing different indicator for image based on shooting mode and electronic device thereof
The present disclosure relates to a method and apparatus for providing a camera service by an electronic device. The electronic device may include a camera, a memory, and at least one processor, the processor configured to control the electronic device to: receive a camera shooting request; display a preview image of an external object obtained through the camera using first area information based on a first shooting mode in response to the shooting request; receive an input corresponding to a second shooting mode in the first shooting mode; and display the preview using second area information corresponding to the second shooting mode in response to the input. |
| US11997381B2 |
Imaging system, imaging method, and non-transitory computer-readable medium
An imaging system (1) includes an imaging unit (2) configured to capture an eye of a target person, and a mode control unit (4) configured to select one of imaging modes including a first imaging mode that sets a capture volume for which a greatest distance from the imaging unit (2) in an optical axis direction of the imaging unit (2) is a first distance, and a second imaging mode that sets the capture volume for which the greatest distance from the imaging unit is a second distance, in which the second distance is greater than the first distance. With the imaging system (1), a balance between an image quality matching a purpose of use and a capturing time may be easily achieved. |
| US11997379B2 |
Image processing system, image processing apparatus, and image processing method
An image processing system includes a generating unit and a storing unit. The generating unit determines a subject included in a wide-angle image and generate a partial image including the subject from the wide-angle image. The storing unit stores the partial image in association with the wide-angle image from which the partial image is extracted. |
| US11997375B2 |
Image correction method, imaging device, and inspection device
An image correction method for correcting multiple original images captured under illumination by multiple different light source colors in generating a composite image by superposing the original images, includes obtaining a correction amount for correcting a position of a fiducial mark recognized from a reference image of a specific light source color in reference images of the multiple different light source colors; obtaining correction amounts for correcting positions of the fiducial mark recognized from the reference images of other light source colors than a specific light source color to the reference position in the reference image of the specific light source color; and when the original images are captured, correcting collectively distortion aberration and chromatic aberration of the original images of the multiple different light source colors using the correction amounts associated with the multiple different light source colors. |
| US11997374B2 |
Camera module with liquid lens and image plane correction method thereof
The present invention discloses a camera module with liquid lens and an image plane correction method thereof, wherein the camera module with liquid lens includes a photosensitive assembly, a lens assembly and a correction lens, and the lens assembly includes a liquid lens with adjustable focal power, the liquid lens is held in a photosensitive path of the photosensitive assembly, and the correction lens is held in the photosensitive path of the photosensitive assembly, and the correction lens is located between the liquid lens and the photosensitive assembly, the correction lens and the liquid lens of the lens assembly cooperate with each other to compensate for aberrations, so as to correct the aberration of the optical system of the camera module with liquid lens. |
| US11997372B2 |
Optical component driving mechanism with driving assembly
An optical component driving mechanism is provided. The optical component driving mechanism includes a first movable portion, a fixed portion, and a first driving assembly. The fixed portion includes a first opening. The first movable portion is movable relative to the fixed portion. The first driving assembly is configured to drive the first movable portion to move relative to the fixed portion. |
| US11997368B2 |
Video distribution system, video distribution method, and storage medium storing video distribution program
One embodiment of the invention includes one or more computer processors executing computer-readable instructions to: distribute a co-performing video including a first character object generated based on motions of a first user and a second character object generated based on motions of a second user; in response to reception of a first display request for a first gift from a viewer user viewing the co-performing video, display a display instruction object on at least one of a first user device used by the first user and a second user device used by the second user; and in response to an operation on the display instruction object, display the first gift in association with at least one of the first character object and the second character object in the co-performing video. |
| US11997364B2 |
Peer-to-peer data transfer for video on demand from an edge data storage device to a browser
Systems and methods for peer-to-peer video data transfer on demand from an edge data storage device to a browser are described. A media device, such as a surveillance video camera, may include a media server and a WebRTC peer application. The media server may send media stream files using a first data transfer protocol to the WebRTC peer application in the media device. Using a second data transfer protocol, the WebRTC peer application on the media device may establish a secure peer-to-peer connection to a connection handler on a user device. The connection handler on the user device may provide the media stream files to an internet browser on the user device and the internet browser may display the media from the media stream file using an HTTP Live Streaming (HLS) library. |
| US11997360B2 |
Content consumption and notification in a network
A data analyzer engine can be configured to receive feedback indicating different content currently consumed by subscribers in a cable network environment. The data analyzer engine analyzes the feedback to identify most popular consumed content amongst the different content and produces a content guide to include multiple selectable channels from which content is available for retrieval over a shared communication link in the cable network environment. The content guide can include one or more selectable viewing options to view a rendition of content being identified as more or most popular. Each of one or more playback devices or other suitable resources retrieves and initiates display of the content guide on a display screen. Accordingly, a subscriber can view different available content options as well as an identification of content that is currently the most popular consumed content amongst viewers. |
| US11997357B2 |
Device and method for navigation through active elements in a displayed page
A first interface of a device receives content from a further device, at least one hardware processor analyses the content to find active elements that will be visible on a screen when displayed, generates a page by overlaying a first part of the content that will be visible on the screen when displayed with graphic elements respectively corresponding to found active elements, sends the page to a third interface for display on the screen and activates a corresponding active element upon reception, via a second interface from a user input device, of a command comprising an identifier displayed in a graphic element. In case the identifier corresponds to a graphic element associated with a group comprising a plurality of active elements, graphic elements corresponding to each active element in the group are overlaid over the first image. |
| US11997355B2 |
Apparatus, systems and methods for media content event quick access queue
Media content event access systems and methods are operable to indicate media content event access options. An exemplary embodiment presents a first listing that indicates a plurality of user-specified media content events of a user's watch list, receives user input corresponding to a selection of one of the user-specified media content events indicated on the first listing, presents a second listing indicating access information, wherein the second listing presents access information that informs the user of at least one access option that may be selected by the user to cause the media device to access the selected one of the plurality of user-specified media content events, and wherein the second listing presents content attribute information that informs the user of at least one attribute of the selected one of the plurality of user-specified media content events that is provided by the associated content source. |
| US11997351B2 |
Mobile device attention detection
Methods, apparatus, systems and articles of manufacture are disclosed for mobile device attention detection. An example apparatus includes a mobile meter to receive, from an external device, a signal to gather user attention data, and transmit the user attention data. The example apparatus further includes an interval timer to activate a time period for determining attention of a user. The example apparatus further includes an attention determiner to generate the user attention data during the time period. |
| US11997342B1 |
Media content distribution platform
Methods and systems may provide media content via retail display devices and/or portable electronic devices to assist consumers in retail environments. Potentially relevant media content may be intelligently obtained, stored, and/or distributed based on a number of considerations to ensure that relevant content will be available for a variety of consumers having a variety of retail needs. Through specific techniques described herein, the methods and systems herein may overcome technological and logistical challenges associated with distributing content among computing devices that are often limited in computing capabilities. Furthermore, the methods and system herein may provide media content in a manner that promotes authors who create and share media content via social media services. |
| US11997341B2 |
Display apparatus and method for person recognition and presentation
Provided are a display apparatus and a person recognition and presentation method. The display apparatus includes a display and a controller that is in communication with the display. The controller is configured to: associated information of a display interface of the display and generate a scenario image for recognition in response to a user command; obtain facial feature information for recognition in the scenario image; obtain similar facial feature information when a matching confidence level of pre-stored facial feature information in a database with the facial feature information for recognition does not exceed a preset confidence level; obtain average-person recognition data; generate a sharing control uniquely matching with the facial feature information for recognition; and control the display to present the average-person recognition data and the sharing control on a current display interface. |
| US11997338B1 |
Enhanced parsing of media manifests for streaming media
Devices, systems, and methods are provided for enhanced parsing of manifest files for streaming media. A method may include receiving, by a media player, a first media manifest including tags indicative of first temporal segments for media content; identifying, using a parser, a first tag indicative of a first temporal segment; identifying, using the parser, a second tag indicative of a second temporal segment; parsing, using the parser, the first tag; based on at least one of the parsing or a user preference indicative of a starting location for playback of first media content of the media content or a preferred bandwidth, refraining from parsing the second tag; retrieving, by the at least one processor, based on a time associated with the first temporal segment, an address of the first video content; and presenting, by the at least one processor, the first media content based on the address. |
| US11997336B2 |
Scheduling compressed video frame for in-vehicle wireless networks
A video stream scheduling unit may schedule resource allocations for each video frame of a plurality of video frames of video streams from a plurality of video sources based on a compressed frame type of the video frame, determine that a total frequency bandwidth of scheduled resource allocations for the frames concurrently due for transmission is greater than or equal to a threshold bandwidth, and receive the video streams from the plurality of video sources based on the scheduled resource allocations. The scheduling unit may delay or cancel a video frame with low priority or may instruct a video source to increase the compression rate of the video stream. |
| US11997334B1 |
Runtime determination of a configuration file usable for content presentation
Techniques for dynamically determining a configuration file are described. In an example, a system receives, from a device, a request for first content to be presented by the device. The system determines metadata of the first content and a cue point indicating a start of a segment in which second content can be presented by the device. Based on the metadata and subsequent to the request, the system determines a configuration of the segment. The configuration includes: a duration of the segment, a sequence of slots in the segment, and/or a content duration usable in a slot of the segment. The system generates a configuration file that includes the metadata and the configuration, determines the second content based at least in part on the configuration file, and sends data about the first content and the second content to the device. |
| US11997333B2 |
System and method for tracking advertiser return on investment using set top box data
A processing device receives set-top box data, sales data, and advertising data. The processing device associates set-top boxes from the set-top box data with viewers and calculates advertising exposure events for advertisements. The processing device further calculates, for each viewer, an advertising weight as a function of number of exposures of the advertisement as applied to the viewer based on the advertising exposure events. The processing device further calculates, for each viewer, a score representing a degree-of-targetedness between an advertisement campaign and the viewer. The processing device manages the advertisement campaign based on the advertising weight and the degree-of-targetedness. |
| US11997327B2 |
System for playing specific streaming selected from combined streamings and method therefore
A system for playing specific streaming selected from combined streamings and a method thereof are disclosed. In the system, an array server combines video streamings outputted from signal sources, to form a multi-source streaming including all video streamings, and transmits the combined multi-source streaming to a streaming server, the streaming server provides the multi-source streaming to a client end, the client end obtains the video streaming to be played from the received multi-source streaming. Therefore, a user can immediately switch the video streamings with different view angles while watching live broadcast, so as to achieve the technical effect of reducing the streaming load of the server during live broadcast. |
| US11997326B2 |
Method of streaming image content between server and electronic device, server for streaming image content, and electronic device for streaming image content
A method, performed by a server, of streaming image content, including obtaining one or more frames of the image content which is currently being executed by an electronic device; identifying a plurality of possible user inputs corresponding to the one or more frames; generating a plurality of prediction frame sets respectively corresponding to the plurality of possible user inputs, wherein each prediction frame set of the plurality of prediction frame sets includes a plurality of prediction frames to be displayed after the one or more frames; obtaining metadata from the one or more frames and the plurality of prediction frame sets; generating streaming data of the image content to be provided to the electronic device, based on at least one the plurality of prediction frame sets or the metadata; and transmitting the generated streaming data to the electronic device. |
| US11997323B2 |
Content delivery
Systems, apparatuses, and methods are described for a user device controlling a playback buffer to reduce latency in a service change. |
| US11997322B2 |
Information display method and apparatus, and device and storage medium
An information display method and apparatus, and a device and a storage medium are provided. The information display method includes: when a first trigger operation for a target live broadcast room is detected, displaying a video playing page of a target live broadcast room, where a comment area is set on the video playing interface; displaying live broadcast room introduction information of the target live broadcast room at a first information display position of the comment area; and where a display duration of the live broadcast room introduction information reaches a target duration, hiding the live broadcast room introduction information. Thus, the effective permeability of video live broadcast content of a live broadcast room can be improved, thereby improving the user experience. |
| US11997315B2 |
Method and apparatus for coding image on basis of transform
An image decoding method according to the present document may comprise the steps of: deriving a first variable indicating whether there is a valid coefficient in a region excluding a DC region from a current block; deriving a second variable indicating whether there is a valid coefficient in a second region excluding a first region formed at the upper left end of the current block; when the first variable indicates that the valid coefficient exists in the region excluding the DC region, and the second variable indicates that the valid coefficient does not exist in the second region, parsing an LFNST index from the bitstream; and applying an LFNST matrix derived on the basis of the LFNST index to transform coefficients in the first region, to derive the modified transform coefficients. |
| US11997314B2 |
Video stream processing method and apparatus, and electronic device and computer-readable medium
Provided are a video stream processing method and apparatus, an electronic device and a computer-readable medium, which relate to the field of Internet technology. An exemplary method includes: storing a video frame in an original video stream in a first buffer area by calling a video stream processing interface of a video stream processing tool; processing the video frame in the first buffer area by means of a video frame processing model to obtain a processed video frame; and on the basis of the processed video frame, generating a standard video stream corresponding to the original video stream. By means of the embodiments of the this application, the software complexity of video stream processing is effectively reduced, and the speed of video stream processing is effectively improved. |
| US11997312B2 |
Method and device for video image processing
A video encoding method including obtaining a motion vector candidate list of a current image block; determining a base motion vector according to motion vectors in the motion vector candidate list; in response to the base motion vector pointing to a short-term reference image, scaling a motion vector offset of the base motion vector using a scaling factor to obtain a scaled motion vector offset, and performing prediction for the current image block according to a motion vector determined by the scaled motion vector offset and the base motion vector; and in response to the base motion vector pointing to a long-term reference image, skipping scaling of the motion vector offset, and performing prediction for the current image block according to a motion vector determined by the motion vector offset that is not scaled and the base motion vector. |
| US11997304B2 |
Image encoding/decoding method and device, and recording medium in which bitstream is stored
The present invention is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, deriving an initial motion vector of a current block; deriving a refined motion vector by using the initial motion vector; and generating a prediction block of the current block by using the refined motion vector. |
| US11997303B2 |
Bidirectional optical flow based video coding and decoding
Devices, systems and methods for sample refinement and filtering method for video coding are described. In an exemplary aspect, a method for video processing includes modifying for a conversion between a block of a video and a bitstream representation of the video, a refinement value for a prediction sample in the block by applying a clipping operation to refinement value. The refinement value is derived based on a gradient value of an optical flow coding process. An output of the clipping operation is within a range. The method also includes refining the prediction sample based on the refinement value and performing the conversion based on the refined prediction sample. |
| US11997299B2 |
Scaling an output offset value in a cross-component sample offset filter
A method of video decoding includes determining reconstructed samples of a first color component in a filter support region of a current picture that is a part of a coded video sequence, and performing a cross-component sample offset (CCSO) filter process on the reconstructed samples of the first color component in the filter support region to generate an output offset value. The method also includes scaling the output offset value based on the reconstructed samples of the first color component in the filter support region, and reconstructing samples of a second color component in the filter support region based on the scaled output offset value. The second color component is different from the first color component. |
| US11997298B2 |
Systems and methods of video decoding with improved buffer storage and bandwidth efficiency
Video decoding systems and techniques are described. A decoder reads first video data from a first block of a video frame. The decoder retrieves neighboring video data from a line buffer. The neighboring video data is from a neighboring block that neighbors the first block in the video frame. The decoder processes the first video data and the retrieved neighboring video data using a constrained directional enhancement filter (CDEF) to generate filtered first video data. The decoder upscales the filtered first video data using an upscaler to generate upscaled filtered first video data. The decoder upscales the retrieved neighboring video data using the upscaler to generate upscaled neighboring video data, for instance after generating the filtered first video data. The decoder processes the upscaled filtered first video data and the upscaled neighboring video data using a loop restoration (LR) filter to generate output video data. |
| US11997293B2 |
Sub-picture track level indicator
A mechanism for processing video data is disclosed. One or more level indicators for a set of subpictures included in one or more subpicture tracks are determined. The subpicture tracks are included in a subpicture entity group. The level indicators are included in at least one of one or more sample groups carrying information for the set of subpictures, or in a data structure specifying the subpicture entity group. A conversion is performed between a visual media data and a media data file based on the level indicator. |
| US11997290B2 |
Weighted angular prediction for intra coding
A method of decoding JVET video, comprising receiving a bitstream indicating how a coding tree unit was partitioned into coding units according to a partitioning structure that allows nodes to be split according to a partitioning technique. An intra direction mode for a coding unit may be selected, as well as one or more of the plurality of reference lines to generate at least one predictor for the intra direction mode. A predictor may be generated from reference samples within each selected reference line by combining predicted pixel values based on a projected position on a main reference line in combination with predicted pixel values based on a projected position on a side reference line. The predicted pixel values are weighted according to a weight parameter, wherein the weight parameter is determined based on a shift conversion factor. |
| US11997286B2 |
Device and method for encoding motion vector, and device and method for decoding motion vector
A method, performed by an image decoding apparatus, of decoding a motion vector, including obtaining information indicating a motion vector resolution of a current block from a bitstream; selecting a first neighboring block from among neighboring blocks adjacent to the current block, by using the obtained information indicating the motion vector resolution of the current block; based on the current block referring to a reference picture in a list 0, and the first neighboring block referring to the reference picture in the list 0, determining a prediction motion vector of the current block using a motion vector of the first neighboring block; based on the current block referring to the reference picture in the list 0 and the first neighboring block referring to a reference picture in a list 1, selecting a motion vector of a second neighboring block among the neighboring blocks as a basic motion vector, and determining the prediction motion vector of the current block using the determined basic motion vector; and determining a motion vector of the current block using the prediction motion vector of the current block. |
| US11997285B2 |
Bidirectional prediction method and video decoding apparatus
A method of inter-predicting a current block using any one of a plurality of bi-prediction modes is disclosed. The method comprises decoding, from a bitstream, mode information indicating whether a first mode included in the plurality of bi-prediction modes is applied to the current block. When the mode information indicates that the first mode is applied to the current block, the method further comprises: decoding, from the bitstream, first motion information including differential motion vector information and predicted motion vector information for a first motion vector and second motion information not including at least a portion of predicted motion vector information and differential motion vector information for a second motion vector; and deriving the first motion vector based on the first motion information and deriving the second motion vector based on both at least a portion of the first motion information and the second motion information. |
| US11997283B2 |
Machine learning based content-aware image frame encoding
An electronic device and method for content-aware image encoding using a machine learning (ML) model are provided. The electronic device receives at least one foreground region and at least one background region from a first image frame. The electronic device determines a set of first macroblocks associated with the detected at least one foreground region and a set of second macroblocks associated with the detected at least one background region, determines a bit allocation control parameter associated with the determined set of second macroblocks, updates the determined bit allocation control parameter based on an application of a first trained ML model, and encodes the first image frame based on the updated bit allocation control parameter to obtain a second image frame so that a first image quality index associated with the first image frame matches a second image quality index associated with the second image frame within a threshold range. |
| US11997279B2 |
Affine mode signaling in video encoding and decoding
In general, encoding or decoding a picture part can involve a first CABAC probability model associated with a first flag indicating use of an affine mode and a second CABAC probability model associated with a second flag indicating use of either the affine mode or a second mode different from the affine mode, where the first and second CABAC probability models are different and are determined independently. |
| US11997275B2 |
Benefit-based bitrate distribution for video encoding
A multimedia system allocates, during encoding of a multimedia stream, bits to portions of frames based on quality metrics and bit usages for different quantization parameters (QPs). An encoder of the multimedia system encodes a frame in a first pass with a first QP and in a second pass with a second QP. A comparator of the multimedia system measures and compares quality metrics, such as mean squared error, for each portion of the frame encoded with the first QP and the second QP. The comparator compares the difference between the quality metrics for each portion encoded with each QP to a threshold. If the difference in quality metrics for a portion exceeds the threshold, the comparator selects the portion for inclusion in a subset of portions to be encoded with the second QP. |
| US11997274B2 |
Image encoding/decoding method and device using adaptive color transform, and method for transmitting bitstream
An image encoding/decoding method and device are provided. An image decoding method performed by an image decoding device according to the present disclosure may comprise the steps of: determining a prediction mode of the current block on the basis of prediction information obtained from a bitstream; on the basis of the prediction mode of the current block, obtaining a flag indicating whether a color space transform is applied to a residual sample of the current block; determining a quantization parameter of the current block on the basis of the flag; and determining a transform coefficient of the current block on the basis of the quantization parameter. |
| US11997270B2 |
Entropy coding for partition syntax
Systems, methods and apparatus for video processing are described. The video processing may include video encoding, video decoding or video transcoding. One example method of video processing includes performing a conversion between a current block of a video and a bitstream of the video according to a rule. The rule specifies that selection of a context for coding a syntax element specifying whether the block is split horizontally or vertically is based on a number of allowed vertical splits and a number of allowed horizontal splits. The number of allowed vertical splits includes a number of allowed binary vertical splits and a number of allowed ternary vertical splits, and the number of allowed horizontal splits includes a number of allowed binary horizontal splits and a number of allowed ternary horizontal splits. |
| US11997265B2 |
Image or video coding using deblocking filtering
According to the disclosure of the present document, filter length can be determined on the basis of the distance between block boundaries in a deblocking filtering process, the deblocking filtering can be performed on the basis of the filter length, and thereby, the picture quality of the image/video can be enhanced, and the effects of improved subjective picture quality relative to complexity and simplification of H/W design can be obtained. |
| US11997264B2 |
Chroma deblocking harmonization for video coding
A method for processing video data is described and the method includes: deriving, for a conversion between a video processing unit of the video and a bitstream of the video processing unit, at least one deblocking filter associated with a chroma deblocking filter process of the video processing unit; applying a same deblocking filter from the at least one deblocking filter for all chroma components of the video processing unit; and performing the conversion based on the same deblocking filter. |
| US11997263B2 |
Encoding method and decoding method, and device implementing the same
An encoding method obtains an intra prediction mode related to a current block from a bitstream; obtains prediction samples of the current block by performing intra prediction on the current block based on the intra prediction mode; scans transform coefficients of the current block, obtains dequantized transform coefficients of the current block by performing a dequantization on the transform coefficients; determines a transform type of the current block; and obtains residual samples of the current block by performing an inverse-transform on the dequantized transform coefficients based on the determined transform type, the inverse-transform being performed in a horizontal direction and a vertical direction. The transform type is determined to be a Discrete Cosine Transform or Discrete Sine Transform, the size of the current block is equal to or greater than 4×4, and the transform type is determined independently to a direction of the intra prediction mode of the current block. |
| US11997260B2 |
Affine motion prediction-based image decoding method and apparatus using affine MVP candidate list in image coding system
A method by which a decoding apparatus performs image decoding, according to the present document, comprises the steps of: obtaining motion prediction information about a current block from a bitstream; generating an affine MVP candidate list for the current block; deriving CPMVPs for CPs of the current block on the basis of the affine MVP candidate list; deriving CPMVDs for the CPs of the current block on the basis of the motion prediction information; deriving CPMVs for the CPs of the current block on the basis of the CPMVPs and the CPMVDs; and deriving prediction samples for the current block on the basis of the CPMVs. |
| US11997257B2 |
Reference picture management in video coding
A method of decoding a coded video bitstream. The method includes obtaining a first reference picture list of a current slice represented in the coded video bitstream and a second reference picture list of the current slice, and marking a status of a reference picture in a decoded picture buffer (DPB) based on the first reference picture list and the second reference picture list when the current slice is a first slice in a current picture to which the current slice belongs. The status of the reference picture in the decoded picture buffer is used for short-term reference, used for long-term reference, or unused for reference. The method also includes using the reference picture in a reconstructing process of the current picture or a picture following the current picture when the status of the reference picture is used for short-term reference or used for long-term reference. |
| US11997253B2 |
Conditions for starting checking HMVP candidates depend on total number minus K
A method of video decoding includes checking one or more video blocks in pre-defined relative positions compared to a first video block to derive a first set of candidates, wherein each of the first set of candidates is derived from corresponding motion information of the video blocks checked, checking, upon a determination that a number of the first set of candidates has not reached a predetermined limit, one or multiple tables to derive a second set of candidates, and processing the first video block based on a bitstream representation of the first video block and the constructed candidate list. |
| US11997252B2 |
Validation of a camera cleaning system
Devices, systems, and methods are provided for testing and validation of a cleaning system for a sensor such as a camera. A device may capture a first image of a target using the sensor, wherein the sensor is in a clean state, and wherein the target is in a line of sight of the sensor. The device may apply an obstruction to a portion of a lens of the sensor. The device may apply a cleaning system to the lens. The device may capture a post-clean image after applying the cleaning system. The device may determine a post-clean image quality score based on comparing the post clean image to the first image. The device may compare the post-clean image quality score to a validation threshold. The device may determine a validation state of the cleaning system based on the comparison. |
| US11997251B2 |
Calibration device for vehicle-mounted night-vision video recording apparatus
The present invention relates to the technical field of automobile maintenance and device calibration, and discloses a device for calibrating a vehicle mounted night-vision video recording apparatus, the device for calibrating the vehicle-mounted night-vision video recording apparatus including a holder assembly and a calibration member. The calibration member is mounted on the holder assembly, the calibration member may move relative to the holder assembly to adjust a height of the calibration member, and the calibration member includes a calibration rod, the calibration rod being disposed horizontally for calibrating the vehicle-mounted night-vision video recording apparatus. In the device for calibrating the vehicle-mounted night-vision video recording apparatus of the present invention, the height of the calibration member is adjustable, and the calibration member includes the horizontally disposed calibration rod. Through observation of an vehicle-mounted night-vision display screen interface and adjustment of depression and elevation angles of the vehicle-mounted night-vision video recording apparatus, a horizontal line of an vehicle-mounted screen and the calibration rod overlap, so that calibration of the vehicle-mounted night-vision video recording apparatus is completed. The device for calibrating the vehicle-mounted night-vision video recording apparatus may calibrate different types of vehicle-mounted night-vision video recording apparatuses with simple calibration operations. |
| US11997248B2 |
Fiber-optic 3D imaging
A fiber-optic, three-dimensional imager using focal length of fiber optic units as a discriminative feature to identify surface geometries of a target area based on reflection intensity of reflected illumination. The focal length defined in accordance with lens power, lens proximity to an optic fiber, chromatic lens aberration, or illumination wavelength. Captured reflections are directed to a light sensor and form an areal intensity distribution on the sensor that is rendered into a topographical model of the general target surface using a construction algorithm. |
| US11997246B2 |
Trained artificial intelligence model for raw to RGB image transformation
An image processor comprising a plurality of processing modules configured to transform a raw image into an output image. The plurality of processing modules comprise a first module and a second module, each of which implements a respective trained artificial intelligence model. The first module is configured to implement an image transformation operation that recovers luminance from the raw image. The second module is configured to implement an image transformation operation that recovers chrominance from the raw image. |
| US11997244B2 |
Image processing apparatus, image processing system, image processing method, and non-transitory recording medium configured to calibrate a color density
An image processing apparatus includes circuitry that acquires a colorimetric value for each of a plurality of patches on a first chart printed out by an image forming apparatus and read by a colorimeter. Each of the patches has a monochromatic color. The circuitry further acquires a maximum tone value previously set in accordance with a sheet, and converts each of the colorimetric value, the maximum tone value, and a color system value of a first target into a particular color value. The first target represents an ideal characteristic of the color system value corresponding to a tone value. The circuitry further determines, as a second target, a characteristic passing through a point determined by a color value corresponding to the maximum tone value. The characteristic is generated based on the color system value of the first target converted into the particular color value. |
| US11997243B2 |
Information management method and image forming apparatus for obtaining evaluation of user for optional function of the image forming apparatus
A multifunction peripheral includes a control unit that, when a registered user is using the multifunction peripheral, causes an operation panel to display information concerning an optional function that can be added to the multifunction peripheral, receives, with the operation panel, an evaluation of the user for the optional function, when receiving, with a communication I/F, an acquisition request for an evaluation for the optional function, generates an evaluation result obtained by aggregating evaluations of a plurality of registered users, and transmits the generated evaluation result to a transmission source of the acquisition request. |
| US11997242B2 |
Image forming apparatus configured to communicate with network and capable of managing number of print pages
An image forming apparatus includes a main body memory, and a controller. A second upper limit information stored in the main body memory indicates an upper limit of a printable page number that the image forming apparatus is allowed to print in a state where the image forming apparatus is in an off-line state. A printed page number information stored in the main body memory indicates a printed page number printed in the off-line state. The controller is configured to: increment the printed page number information by one in a case where the one sheet of paper is printed on one side printing; and increment the printed page number information by two in a case where the one sheet is printed on double-sided printing. The controller is configured to determine whether the printed page number information is greater than or equal to the second upper limit page number. |
| US11997241B2 |
Optical scanning device and image forming apparatus including optical scanning device
An optical scanning device includes a housing and an fθ lens accommodated in the housing. The housing has a bottom surface, and side walls erected from a bottom surface and surrounding the bottom surface along a perimeter thereof. One side wall of the side walls has, on an outer surface thereof, one or more positioners that position the optical scanning device relative to an image forming apparatus main body. The bottom surface has one or more first bottom surface ribs extending from the positioners toward the fθ lens in an oblique direction with respect to the side wall having the positioners in a plan view. |
| US11997237B1 |
Computer implemented method to perform scroll indexing and re-positioning the scroll to search for a desired feature at a desired location
Embodiments include a method, computer-implemented method, and apparatus to provide local soft-copy access, local hard-copy access, remote or web-based access to information, text, and content articulated in a scroll. Indices are created and then utilized to locate and access text within the scroll. In addition, rulers are employed with the indices to locate indicia within the scroll, including accommodating scrolls of different archetypes. |
| US11997236B2 |
Printing system and server
A server of a printing system includes a print instruction acquisition unit acquiring a print instruction of a content contained in a content group by a voice from a voice mediation device, a selection unit selecting the content to be printed from the content group according to the print instruction, and a transmission unit transmitting print data for printing of the selected content to a printing apparatus of the printing system, wherein the content group contains a plurality of time-dependent contents having different probabilities for selection according to a time when the print instruction is acquired, the selection unit selects the content to be printed from the content group so that each of the plurality of time-dependent contents is selected with the probability according to the time when the print instruction is acquired. The printing apparatus receives the print data and executes printing according to the print data. |
| US11997235B2 |
Apparatus, control method, and non-transitory computer-readable storage medium that cause a device to print an image based on a state of the apparatus and a user operation
A control method performed by an apparatus that communicates with a device and that includes a display screen includes causing the display screen to display a first screen including a scan object used for scanning and a predetermined object different from the scan object, and causing the display screen to display, as a screen corresponding to the scan object, a second screen including a scan setting item. In addition, the display screen is caused to display, as a screen corresponding to the predetermined object, a third screen that does not include the scan setting item and that includes information for prompting a user to put the apparatus close to the device. |
| US11997234B2 |
Inspection device for inspecting quality of printed images
An inspection device includes a processor configured to perform a first inspection of using original image data as first reference image data and collating the first reference image data with at least one of plural pieces of read image data obtained by reading image-formed matters obtained by forming the first reference image data on plural recording media, and register read image data satisfying a predetermined criterion among the plural pieces of read image data as a result of the first inspection, as second reference image data for a second inspection different from the first inspection. |
| US11997231B2 |
System and method for determining and communicating presence information
A system and method for communicating presence information that can include at a first server of a communication platform, receiving an authorization token of a first client application; verifying at least one permission associated with the authorization token; registering a presence status of the first client application upon verifying the at least one permission of the authorization token; at a second server of the communication platform, accepting an incoming communication request; retrieving communication instructions according to the incoming communication request; identifying an instruction to communicate with a communication destination of the first client application; accessing the presence status resource of the first client application; establishing communication with the first client application according to the accessed presence status resource. |
| US11997229B2 |
Insight determination from aggregated call content
An example of operation may include one or more of receiving audio files from public safety answering points (PSAPs), the audio files comprising recordings of telephone calls captured via the PSAPs, converting, via a speech-to-text converter, the audio files into text files that comprises respective transcripts of the respective telephone calls, identifying, via a reporting engine, a recurring topic that is repeatedly observed among the PSAPs from text content within the text files, and outputting, via the reporting engine, a descriptive identifier of the recurring topic via a user interface. |
| US11997228B2 |
Device for recognizing application in mobile terminal and terminal
A device for recognizing an application in a mobile terminal includes: a coprocessor, configured to identify an image obtained by a signal processing device to obtain a first image category, and determine a first application corresponding to the first image category; and a main processor, configured to receive an identifier of the first application from the coprocessor, and activate the first application or prompt a user to download the first application. The device can relatively accurately determine, based on an image from an image sensor, an application that the user may want to use, and activate the application. |
| US11997223B2 |
Mobile terminal
In a mobile terminal of the present disclosure, the open portion of an extended part is covered when a state is changed to a second state so that the inside of the mobile terminal can be protected, the mobile terminal comprising: a first frame; a second frame moved in a first direction from the first frame so as to change from a first state to the second state a central bracket rotatably coupled to one side of the first frame or the second frame; and a spiral spring having an inner end portion fixed to the central bracket, and an outer end portion fixed to the other side of the first frame or the second frame, wherein the spiral spring is spirally wound in the first state and unwound in the second state. |
| US11997222B1 |
Certificate authority
A computing resource service provider provides a certificate management service that allows customers of the computing resource service provider to create, distribute, manage, and revoke digital certificates issued by private certificate authorities. A private certificate authority hosted by the computing resource service provider is able to issue signed certificates to network entities within the customer enterprise. The certificate management service provides a network-accessible application programming interface to the private certificate authority that allows applications to create and deploy private certificates programmatically. The system provides the flexibility to create private certificates for applications that require custom certificate lifetimes or resource names. |
| US11997220B2 |
Scalable certificate management system architectures
An example system may include one or more application platforms (e.g., VMs) that run a registration authority and are communicatively connected to one or more compute engines that perform cryptographic computations required by the registration authority. The system may also include one or more application platforms that run an enrollment certificate authority and that are communicatively connected to one or more compute engines that perform cryptographic computations required by the enrollment certificate authority. It may further include one or more application platforms that run a pseudonym certificate authority and that are communicatively connected to one or more compute engines that perform cryptographic computations required by the pseudonym certificate authority. It may also include one or more load balancers communicatively connected to the one or more compute engines, the one or more load balancers to perform operations comprising distributing at least one request to the one or more compute engines. |
| US11997219B1 |
Network security for remote workers
To protect corporate information technology (IT) networks, corporations or organizations can design their networks with secure technology. For example, before an employee can remotely access his or her company's network via a user device, a server associated with the company's network can setup an exemplary secure digital certificate for the user device. The secure digital certificate includes a public Internet Protocol (IP) address associated with a router used by the user device to access the Internet. When employee attempts to remotely access his or her company's network, the user device or a router associated with the user device can send the secure digital certificate along with a current public IP address of the router used by the user device to access the Internet. In some embodiments, if the public IP address included in the digital certificate matches the current public IP address, the user device can access the company's network. |
| US11997218B2 |
Decentralized, dynamic media key block for broadcast encryption
A processor may segment a media key block into two or more subsets. Each of the two or more subsets may be respectively associated with a particular group of receivers, and each receiver of the particular group of receivers may be in a blockchain network. The processor may receive, from a first receiver, a request for permission to process the media key block. The processor may identify which of the two or more subsets that the first receiver is associated. The processor may provide a media key block value to the first receiver. |
| US11997216B2 |
Systems and methods for maintaining secure, encrypted communications across distributed computer networks by linking cryptography-based digital repositories in order to perform blockchain operations in decentralized applications
Methods and systems are described herein for facilitating blockchain operations in decentralized applications by offering enhanced efficient when conducting blockchain operations using cryptography-based, digital ledgers through the use of specialized indexing. For example, as opposed to relying on raw blockchain data to power decentralized applications, the methods and systems use a blockchain indexer. The blockchain indexer provides a queryable record of a subset of blockchain operations. |
| US11997214B2 |
Separating the authorization of content access and content delivery using multiple cryptographic digital signatures
A first request for content from a client device is received. The first request includes a resource locator provided by an authorizing data service to authorize the client device to obtain the requested content. The resource locator includes a first digital signature associated with authorization of the client device to access the requested content, and a second digital signature associated with authorization of delivery of the requested content for access by the client device. An occurrence of an event is identified that indicates a change in the delivery of the requested content to the client device. A third digital signature associated with a changed delivery of the requested content is generated. A new resource locator is provided to the client device that includes the first digital signature and the third digital signature. |
| US11997212B2 |
Payload validation for a memory system
Methods, systems, and devices for payload validation for a memory system are described. A payload receiver may be a device that includes an array of memory cells configured to store data, and a payload transmitter may be a host of a payload receiver (e.g., a host device) or another device that is in communication with the payload receiver. A payload receiver may be configured to receive an information payload and a signature associated with the information payload. The received signature may be based on the information payload and an identifier of the payload receiver previously provided to the payload transmitter. The payload receiver may generate a signature based on the information payload and the identifier of the payload receiver (e.g., as stored or cached at the payload receiver), and authenticate the information payload based on the received signature and the generated signature. |
| US11997210B2 |
Protection of online applications and webpages using a blockchain
Systems, methods, and other embodiments associated with protecting online content are described. In one embodiment, a method includes generating a hashed code, and generating an encrypted and signed hash. The method may also include transmitting the encrypted and signed hash and the domain to a blockchain, causing: the blockchain to request validation the encrypted and signed hash by a terminal associated with a registrar of the domain; and the terminal associated with the registrar to: (a) decrypt the encrypted and signed hash using the private key to obtain the hashed code, (b) attempt to validate an authenticity of the hashed code, and (c) control inclusion of the hashed code in a blockchain record based on a result of the attempt to validate the authenticity of the hashed code. |
| US11997209B1 |
Enhanced secret rotation in data hashing
Devices, systems, and methods are provided for rotating cryptography secrets in data hashing. A method may include generating, based on a hashing technique, first obfuscated data using first data and a first version of a secret, and generating first metadata associated with the first obfuscated data, the first metadata indicative of the first version of the secret. The method may include determining a second version of the secret based on the first metadata. The method may include generating, based on the hashing technique, second obfuscated data using the first obfuscated data and the second version of the secret, and generating second metadata associated with the second obfuscated data, the second metadata indicative of the second version of the secret. |
| US11997208B2 |
Systems and methods for inventory management using cryptographic authentication of contactless cards
Example embodiments of systems and methods for data transmission system between transmitting and receiving devices for use in a tap and walk store are provided. In an example embodiment, the transmitting device can generate a diversified key using the master key, protect a counter value and encrypt data prior to transmitting to the receiving device, which can generate the diversified key based on the master key and can decrypt the data and validate the protected counter value using the diversified key. Disclosed systems allow a user to purchase items utilizing the disclosed transmitting device. |
| US11997205B2 |
Credential verification and issuance through credential service providers
A method for verifying and issuing credential, includes providing, by a first credential management system of a first credential service provider, a sharing credential token and a service endpoint to a requesting device of the credential owner, upon a request; receiving, by a second credential management system of a second credential service provider, from a verifying device of a verifier through the requesting device, the sharing credential token and the service endpoint; sending, by the second credential management system, a proof request to the first credential management system based on the service endpoint; generating, by the first credential management system, a proof based on the proof request; and verifying, by the second credential management system, the proof based on credential cryptography information retrieved from a distributed ledger. The method implemented on a distributed platform across different service providers and distributed ledgers ensures trustworthy credential verification and issuance. |
| US11997198B2 |
Quantum authentication in wireless communication networks
A wireless communication network generates and transfers qubits to a wireless user device. The wireless communication network and the wireless user device determine polarization states for the qubits. The wireless communication network and the wireless user device exchange cryptography information. The wireless communication network and the wireless user device generate cryptography keys based on the polarization states and the cryptography information. The wireless communication network and the wireless user device encrypt and decrypt data that they exchange with one another based on the cryptography keys. |
| US11997193B2 |
Secure communication method and smart lock system based thereof
The present disclosure provides a secure communication method, and the method may include: a sending terminal may generate data to be transmitted and determine encrypted data by encrypting the data to be transmitted using a preset encryption algorithm based on an encryption key. The encryption key may be obtained by a key exchange process between a smart door lock and a mobile terminal through a preset secure communication channel. The sending terminal may assign a unique identifier to the encrypted data and may send the encrypted data with a unique identifier to the receiving terminal, so that the receiving terminal may perform identity authentication on the encrypted data with the unique identifier and may decrypt the encrypted data based on the encryption key obtained by the key exchange process according to a result of the identity authentication. |
| US11997192B2 |
Technologies for establishing device locality
Technologies for establishing device locality are disclosed. A processor in a computing device generates an identifier distinct to the computing device. The processor transmits the identifier to a management controller via a hardware bus in the computing device. The processor generates a key and encrypts the key with the identifier to generate a wrapped key. The processor transmits the wrapped key to the management controller. In turn, the management controller unwraps the key using the identifier. Other embodiments are described and claimed. |
| US11997187B2 |
Anonymized storage of monitoring data
A system in one embodiment comprises a first endpoint device that is configured to communicate with a second endpoint device using a given communication protocol. The first endpoint device is configured to monitor a communication session under the given communication protocol and to generate monitoring data associated with the communication session. The first endpoint device is configured to determine that a designated network condition has occurred based at least in part on the monitoring data. The first endpoint device is configured to activate a performance monitoring component based at least in part on the determination that the designated network condition has occurred and to generate performance data utilizing the activated performance monitoring component. The first endpoint device is configured to anonymize and store the performance data. |
| US11997181B1 |
Device arrangement for deriving a communication data scheme
Disclosed are systems, methods, and non-transitory computer-readable media for a device arrangement to derive unknown portions of a communication data scheme. A proxy node is established in a communication path between two nodes configured to transmit communications according to a communication bus standard. The communication data included in the communications transmitted between the nodes conforms to a communication data scheme. The proxy node logs communications transmitted between the nodes via the communication path, resulting in a communication log. The communication log can then be used to derive unknown portion of the communication data scheme, such as commands for requesting specified data types and the data format for transmitting data of specified data types. |
| US11997178B2 |
Fine-grained real-time pre-emption of codelets based on runtime threshold
Described are examples for providing fine-grained real-time pre-emption of codelets based on a runtime threshold. A controller inserts checkpoints into extended Berkeley packet filter (eBPF) bytecode of a third-party codelet prior to verification of the third-party codelet. A device executes the codelet at a hook point of an application. The inserted checkpoints determine a runtime of the codelet. The device terminates the codelet in response to the runtime exceeding a threshold. The application can be a virtualized radio access network (vRAN) network function and the codelet can control the vRAN function or export network metrics. The application may be executed in a container management system that modifies a container for the application to mount code including a function associated with the hook point of the application to the container; detect an annotation for the container that identifies the codelet; and symbolically links the codelet to the hook point. |
| US11997169B2 |
Method for activating edge servers
Embodiments of the present disclosure provide a method for activating at least a first edge server and a second edge server. The first edge server includes a first service processor, and the second edge server includes a second service processor. The method includes establishing a data communication connection between the first service processor and the second service processor, establishing a data communication connection between the first service processor and a specified website, establishing a trusted communication between the first service processor and the specified website, establishing a trusted communication between the first service processor and the second service processor, obtaining an activation right from the specified website by the first service processor, and performing the activation right to activate the first edge server and the second edge server by the first service processor. |
| US11997168B2 |
Connecting devices for communication sessions
Connecting devices for communication sessions is provided. A system can receive, from a client device, a first query comprising text. The system can determine, responsive to the first query and via a machine learning model, confidence scores corresponding to the expert identifiers. The system selects a first subset of expert identifiers based on a threshold confidence score or a ranking technique. The system transmits a second query based on the first query to client devices corresponding to the first subset of expert identifiers. The system identifies, based on responses to the second query, a second subset of expert identifiers. The system provides, to the client device, an indication of the second subset of expert identifiers to cause the client device to establish a communication session with at least one client device of at least one of the second subset of expert identifiers. |
| US11997166B2 |
Vehicular arbitration system
A vehicular arbitration system includes: a main manager configured to receive one or more requests from a plurality of first application execution units and to determine a request for operating a predetermined on-vehicle device based on the received one or more requests and a predetermined rule; and a plurality of sub-managers respectively configured to arbitrate the request determined by the main manager and a request input from at least one second application execution unit that is different from the plurality of first application execution units and to control the on-vehicle device based on an arbitration result. |
| US11997164B2 |
Vehicle control system
A vehicle control system includes a first electronic control apparatus and a second electronic control apparatus. The first electronic control apparatus includes a first controller, a first communication circuit, and a housing. The first controller is configured to execute a first operating system that operates a first application. The housing is configured to contain the first controller and the first communication circuit. The second electronic control apparatus includes a second controller and a second communication circuit. The second controller is configured to execute a second operating system that operates a second application. The second communication circuit is configured to perform data communication with the first communication circuit. |
| US11997160B2 |
Lightweight IoT information model
A lightweight and extensible information model for machine-to-machine systems is disclosed. A service layer information management architecture uses three categories of atomic objects, subjects, actions, and descriptions. Information for use within the model is built using the atomic information objects. Application programming interfaces are used to perform operations and information processing by different nodes. Common service functions are used in the model as instances of a generic common service information model. |
| US11997150B2 |
Media asset streaming over network to devices
Streaming of a media asset from a cloud server computer to a media playback device is disclosed. In an embodiment, a list of media assets stored in the cloud server computer is sent over network from the cloud server computer to a portable device. In another embodiment, the list is transferred via close-range communication to the portable device from the media playback device which received the list from the cloud server computer over network. In the embodiments, a media asset is started streaming over network from the cloud server computer to the media playback device responsive to selection of one of the listed media assets at the portable device. In some embodiments, streaming is redirected from the portable device to the media playback device responsive to a user's operation or in case of disconnection. |
| US11997146B1 |
IMS restoration triggered by receipt of a MWI or a text message via fallback protocol
Internet Protocol Multimedia Subsystem (IMS) restoration for a user equipment (UE) may be automatically triggered in response to the UE receiving a message waiting indicator (MWI) or a text message via a fallback protocol that is used as a backup for a primary protocol for delivering the MWI or the text message. For example, if a UE receives a MWI via Non-Access Stratum (NAS) protocol (where NAS protocol serves as a fallback protocol for Session Initiation Protocol (SIP) to deliver the MWI when IMS-based services are unavailable), an IMS restoration procedure may be triggered for the UE where the UE sends a request to register for one or more services of a telecommunication service provider in an effort to restore IMS-based services for the UE, thereby allowing calls to be subsequently established with the UE. |
| US11997144B2 |
Connectivity control for platooning of user equipments
A method by a network node controls connectivity of UEs by identifying a group of UEs for communication with an application controlling parameters used by the UEs for operation in a vehicle platoon. The method controls connectivity for a UE in the group with a RAN node responsive to characteristics of the other UEs in the group. For each of the UEs the characteristic relates to functional operation of the UE with the application. Another method by an application server identifies the group of UEs, and identifies a characteristic of each of the UEs with the application. A message identifying the group of UEs and their characteristics is communicated to a network node for controlling connectivity for individual UEs in the group with a RAN node responsive to the characteristics of the other UEs in the group. |
| US11997143B2 |
Managing communications among virtual machine nodes of a network service provider
Techniques are described for managing communications between multiple intercommunicating computing nodes, such as multiple virtual machine nodes hosted on one or more physical computing machines or systems. In some situations, users may specify groups of computing nodes and optionally associated access policies for use in the managing of the communications for those groups, such as by specifying which source nodes are allowed to transmit data to particular destinations nodes. In addition, determinations of whether initiated data transmissions from source nodes to destination nodes are authorized may be dynamically negotiated for and recorded for later use in automatically authorizing future such data transmissions without negotiation. This abstract is provided to comply with rules requiring an abstract, and it is submitted with the intention that it will not be used to interpret or limit the scope or meaning of the claims. |
| US11997142B1 |
Systems and methods for multiple custody using mobile devices or wearables
A system including a network interface and a processing circuit is provided. The processing circuit includes one or more processors coupled to non-transitory memory. The processing circuit is structured to receive a request for a multiple custody linkage between user devices. The multiple custody linkage includes a digital connection between the user devices that allows shared access to a resource. The resource includes at least one of a physical object or information. The processing circuit is further structured to perform a validation process based on information in the request for the multiple custody linkage to determine if a violation of a security protocol exists. The security protocol is associated with security of the resource. The processing circuit is further structured to, in response to determining no violation of the security protocol exists, activate the multiple custody linkage between the user devices to allow the shared access to the resource. |
| US11997141B2 |
Attestation and computer forensics based on universal references for hardware and/or software configurations
A method, computer system, and computer program product are provided for performing policy enforcement, attestation, and network forensics. A universal reference for a computing entity is obtained, wherein the universal reference identifies one or more components of the computing entity by additional universal references assigned to the one or more components. A hierarchical description of the computing entity is determined by enumerating each additional universal reference of the one or more components and additional sub-components, wherein the hierarchical description exhaustively identifies the components and sub-components of the computing entity. The hierarchical description is analyzed by accessing a database to identify mappings of the one or more additional universal references to the one or more components and sub-components. The one or more components and sub-components identified by the analyzing are assessed to perform one or more of: an inventory task, a policy enforcement task, an attestation task, and a forensics task. |
| US11997136B2 |
Systems and methods for security awareness using ad-based simulated phishing attacks
Systems and methods are described for modifying one or more advertisements of a webpage or a social media feed to create a simulated cybersecurity attack. Initially, content responsive to a request by a user via a user device to access a webpage or social media feed with one or more advertisements is received. One or more advertisements are detected within the content. An advertisement of the one or more advertisements is modified or replaced with simulated cybersecurity attack advertisements. The webpage or social media feed with the modified advertisement is displayed to the user device. User interactions with the simulated cybersecurity attack content are tracked and training is provided based on user interactions. |
| US11997135B2 |
Systems and methods for protection against theft of user credentials
A computer system is provided. The computer system includes a memory and at least one processor coupled to the memory and configured to protect against theft of user credentials. The at least one processor is further configured to recognize a uniform resource locator (URL) to which a web browser is navigating, as a URL for which protection is to be provided. The recognition is based on an absence of the URL from a history of visited URLs for which a password has been entered. The at least one processor is further configured to extract a character sequence of selected length that is entered into a field of a website associated with the recognized URL; compare an encryption of the character sequence to entries in a list of encrypted partial passwords of the same selected length; and perform a security action in response to a match resulting from the comparison. |
| US11997133B2 |
Algorithmically detecting malicious packets in DDoS attacks
A method for detecting patterns using statistical analysis is provided. The method includes receiving a subset of structured data having a plurality of fields. A plurality of value combinations is generated for the plurality of fields using a statistical combination function. Each combination of the generated plurality of value combinations is stored as a separate entry in a results table. The entry in the results table includes a counter associated with the stored combination. A value of the counter is incremented for every occurrence of the stored combination in the generated plurality of value combinations. The results table is sorted based on the counters' values and based on a number of fields in each combination. One or more entries having highest counter values are identified in the results table. |
| US11997132B2 |
System and method for protecting network resources
The present disclosure includes methods and systems for protecting network resources. A method may start, by a processor, copy-on-write snapshotting for modifications to a plurality of files stored on electronic storage. A method may monitor, by the processor, access to objects within a file system associated with the electronic storage for a set of operations. A method may intercept, by the processor, one or more operation of the set of operations for modifying a region of a file in the file system. A method may capture, by the processor, one or more of original contents, modified contents and written contents of the region. A method may end, by the processor, copy-on-write snapshotting. A method may perform malware and/or ransomware analysis on a process performing the modification to the region of the file in the file system. |
| US11997127B2 |
Policy based vulnerability identification, correlation, remediation, and mitigation
A method and system for policy driven vulnerability management of a network equipment of an enterprise. A plurality of routes delivers services to a plurality of end user devices through the system. A plurality of vulnerabilities associated with the end user device, and a plurality of policies associated with the plurality of vulnerabilities is identified. Remediation for the plurality of vulnerabilities is determined based on the plurality of policies. The plurality of policies is based on a cloud service selected from the end user device, a tenant, and a role associated with the end user device. A route corresponding to the plurality of policies and the cloud service is identified. The remediation of the vulnerabilities is performed by upgrading the plurality of vulnerabilities based on the plurality of policies and the cloud service is provided to the end user device via the route based on the plurality of policies. |
| US11997122B2 |
Systems and methods for analyzing cybersecurity events
Methods and systems for the detection, identification, analysis of cybersecurity events in order to support prevention of the persistence of threats, malware or other harmful events are provided. The methods and systems of the present invention enable a user to find similar anomalous network traffic within a single network or across multiple networks. The methods and systems identify and correlate activity in order to analyze potential threats within a network by providing broader contextual information about how those threats relate to other activity within the network or across a sector or country. |
| US11997120B2 |
Detecting threats to datacenter based on analysis of anomalous events
Some embodiments provide a method for detecting a threat to a datacenter. The method receives a set of connections between a set of DCNs in the datacenter over a particular time period. The set of DCNs includes at least a first DCN at which a first anomalous event was detected. The method analyzes a set of detected anomalous events to identify additional anomalous events detected at other DCNs in the set of DCNs during the particular time period. Based on the first anomalous event and identified additional anomalous events, the method determines whether the anomalous events indicate a threat to the datacenter. |
| US11997119B2 |
Vehicle log transmission device, vehicle log analysis server, vehicle log analysis system, and vehicle log transmission/reception method
A vehicle log transmission device includes: a vehicle log division processor that generates one or more divided logs; existing identifier storage that stores an existing identifier list, which is a list of identifiers corresponding to existing divided logs generated by dividing an existing vehicle log shared between the vehicle log transmission device and a vehicle log analysis server; a vehicle log transmission necessity determiner that determines that a divided log corresponding to an identifier present in the existing identifier list is a first divided log, and that a divided log corresponding to an identifier not present in the existing identifier list is a second divided log; and a vehicle-side communicator that transmits the identifier corresponding to the first divided log to the vehicle log analysis server, and transmits the second divided log to the vehicle log analysis server. |
| US11997114B2 |
Drive device and driving system
A drive device includes: a receiving unit of a load control signal indicative of a drive state of each load; a control storage unit of the load control signal; a drive unit of the switches according to the load control signal; an acquisition unit of a current drive state of each load at a present time, or a current vehicle state; a determination storage unit of a transition determination value; and a determination unit that compares a correlated drive state of each load correlated with the load control signal with the transition determination value, and determines that the load control signal is abnormal when the correlated drive state and the transition determination value satisfy a predetermined corresponding relationship. |
| US11997113B2 |
Treating data flows differently based on level of interest
A traffic manager module of a cyber threat defense platform that can differentiate between data flows to a client device. A registration module can register a connection between devices within a client network to transmit a series of data packets. A classifier module can execute a comparison of features of the connection to a set of interest criteria to determine an interest level for the cyber threat defense platform in the connection. The classifier module can apply an interest classifier describing the interest level to the connection based on the comparison. A deep packet inspection engine can examine the data packets of the connection for cyber threats if the interest classifier indicates interest. A diverter can shunt the data packets of the connection away from the deep packet inspection engine if the interest classifier indicates no interest. |
| US11997112B1 |
Access control threat detection
This disclosure describes techniques for threat detection within access control systems having multiple entitlement repositories. An example system includes a first entitlement repository, a second entitlement repository, a third entitlement repository, and a server. The server, in response to receiving an access request to access a service on a network, queries the first, second, and third entitlement repositories based on access characteristics of a user associated with the access request and receives responses from the first, second, and third entitlement repositories. When the responses from the first, second, and third entitlement repositories all match, the server provides authorization for the user to access the service in accordance with the responses. |
| US11997111B1 |
Attribute-controlled malware detection
A cloud-based system is design with multi-tenancy controls for conducting analytics performed on objects submitted by a subscriber. This system features an analysis monitoring service and an analysis selection services. The analysis monitoring service, operating as a first cloud service, includes logic that is configured to collect metadata associated with an operating state for each of a plurality of clusters and generate cluster selection information. The analysis selection service, operating as a second cloud service and communicatively coupled to the analysis monitoring service, is configured to select a cluster of the plurality of clusters to analyze the object for malware based, at least in part, on the cluster selection information provided from the analysis monitoring service. |
| US11997110B2 |
Tree-based learning of application programming interface specification
A cybersecurity appliance monitoring application traffic to a web application programming interface (API) dynamically updates tree structures for the web API using the application traffic. An API tree generator generates batches of API trees from paths indicated in the application traffic. An API tree merger/pruner updates the generated batches of API trees with various merging, pruning, compacting, and malicious detection operations on the generated batches of API trees. The cybersecurity appliance implements the updated API trees with an API agent that filters the application traffic prior to processing by the web API. |
| US11997106B2 |
Communication method, communications apparatus, server, and system
A communication method implemented by a communications apparatus that is configured with a control rule parameter, where the control rule parameter includes a signature verification rule parameter, a message aggregation rule parameter, and a reporting control rule parameter, and the method includes receiving a first message, performing signature verification processing on the first message based on the signature verification rule parameter, performing, based on the message aggregation rule parameter, message aggregation processing on the first message after performing the signature verification processing to obtain a second message, and sending the second message to a server based on the reporting control rule parameter. |
| US11997100B2 |
Method and system for providing fractionalized access to cybersecurity intelligence content or cybersecurity service
A computing system and a method performed by the computing system are presented. The system may provide a cybersecurity analysis platform, and the method may include outputting a plurality of content access options for selection by a user or group of users of the platform, wherein the content access options are associated with different amounts of content access to a cybersecurity intelligence content source. The method may further involve receiving a selection of one of the content access options, and updating, based on the selection, a profile that indicates an amount of content access allocated to the user or group of users. The method may involve receiving a content request from the user or group of users for cybersecurity intelligence content, and responding to the content requested based on whether the allocated amount of content access has been completely depleted. |
| US11997099B2 |
Dynamic authorization rule stacking and routing across multiple systems
A system includes a hardware processor that executes a software code to receive an authorization request on behalf of a user for a stacked resource including resources offered separately by multiple resource providers, determine resource provider computers associated with the stacked resource, and send a look-up request including an electronic identity of the user to those computers, where the electronic identity is used as a look-up key for determining user attribute(s) of the user. The software code further receives the user attribute(s) from the resource provider computers, generates an accumulated access profile of the user based on the user attribute(s), applies the profile to a rules engine to determine a stacked access result, and routes the authorization request and the stacked access result to one of the resource provider computers, where that computer completes an authorization process for access to the stacked resource based on the stacked access result. |
| US11997097B2 |
Security vulnerability assessment for users of a cloud computing environment
A method comprises monitoring, by a processing device, usage activity of one or more resource categories of a computing environment by a user of the computing environment in view of a security profile associated with the user, determining a first probability of selecting a particular resource from a resource category of the one or more resource categories in view of the usage activity of the resource category by the user, determining a second probability that the particular resource is associated with a security exploit in view of historical data for the computing environment, determining a resource vulnerability value for the resource category in view of the first probability and the second probability, and determining a security vulnerability value for the user in view of the resource vulnerability value. |
| US11997095B2 |
Content permission platform
Methods and systems for managing permission controls are disclosed. A method can comprise receiving a request to perform one or more restricted activities. The request can include at least an identifier of a first user associated with the request and an identification of the one or more restricted activities. The identifier of the first user associated with the request and/or the identification of the one or more restricted activities can be presented to a second user, such as an administrator. A response to the request can be provided by the second user and transmitted comprising information relating to one or more of a grant, denial, or modification of the performance of the one or more restricted activities. The transmitted response can be configured to be processed by the source to effect grant, denial, or modification of the performance of the one or more restricted activities. |
| US11997094B2 |
Automatically deployed information technology (IT) system and method
Disclosed herein are systems, methods, and apparatuses where a controller can automatically manage a physical infrastructure of a computer system based on a plurality of system rules, a system state for the computer system, and a plurality of templates. Techniques for automatically adding resources such as computer, storage, and/or networking resources to the computer system are described. Also described are techniques for automatically deploying applications and services on such resources. These techniques provide a scalable computer system that can serve as a turnkey scalable private cloud. |
| US11997093B2 |
Secure private network navigation
A secure network navigation system includes a secure network portal and a site-to-site authenticator. The secure network portal includes a network authenticator to authenticate a user's browser connection to access content at a first site on the secure network. The site-to-site authenticator creates an object that authenticates the user's browser connection, creates a transfer URL by which the user is to access content on a second site of the plural network sites on the secure network. The transfer URL includes values exported from the created object and a unique transfer token. The site-to-site authenticator then transfers the user's browser connection to an address corresponding to the transfer URL. The secure navigation from the first site to the other site on the secure network is transparent to the user. |
| US11997092B2 |
Secure document storage system
A system is provided for the storage of data, the system having: an encrypted host platform upon which regulatory controlled data is stored; a controller configured to allow a primary user to set permission settings and identify authorized end users and degrees of access granted to each the authorized end user, the authorized end user being pre-cleared for compliance with regulatory controls pertaining to the regulatory controlled data; the controller configured to permit access to the encrypted host platform only if the hosting platform is in compliance with predefined data security protocols the controller configured to allow the authorized end user access to the regulatory controlled data, and the controller configured to exclude access to both a provider of the system for storage and a system host platform provider; at least one individual computing device accessible by at least one the authorized end user, the individual computing device configured to provide authorized end user identification data to the controller and receive permissions from the controller for access to the host platform; and the host platform only communicates with individual user devices if the devices have received permission from the controller. |
| US11997091B2 |
Method and nodes for handling access to EPC services via a non-3GPP network
A method performed by a PGW for handling a UEs access to an EPC service via a non-3GPP access network. During a request for connecting the UE to the non-3GPP access network, the PGW receives identity information which indicates an identity of an AAA node from a non-3GPP access gateway. The PGW selects the AAA node which was indicated in the received identity information. The PGW transmits, to the selected AAA node, a request message for the UE. The request message is a request for authorization of the UE to access the EPC service via the non-3GPP access network. |
| US11997090B2 |
Systems and methods for WebAuthn transport via a WebAuthn proxy
In one embodiment, a method includes receiving, by a WebAuthn proxy, login prompt information from a browser. The WebAuthn proxy and the browser are installed on a device. The method also includes generating, by the WebAuthn proxy, a WebAuthn credential request based on the login prompt information and communicating, by the WebAuthn proxy, the WebAuthn credential request to a WebAuthn authenticator. The method further includes receiving, by the WebAuthn proxy, a WebAuthn response from the WebAuthn authenticator and communicating, by the WebAuthn proxy, the WebAuthn response to the browser. |
| US11997087B2 |
Mobile enrollment using a known biometric
A system performs mobile biometric identification system enrollment using a known biometric. The system receives a digital representation of a first biometric for a person. Prior to using the digital representation of the first biometric to identify the person, the system compares a received digital representation of a second biometric for the person to known biometric data for the person. When the digital representation of the first biometric has been thus verified, the system is operative to identify the person using the digital representation of the first biometric. |
| US11997084B2 |
Structure-based access control
The present disclosure provides systems and methods that perform structure-based access control. In particular, rather than relying upon a user-specific credential scheme, which can require manual sharing of user-specific credentials and/or switching between the multiple accounts to access the particular devices, applications, or services associated with such accounts, the systems and methods of the present disclosure facilitate user credentials to be inherited by or otherwise assigned to a structure identifier associated with a structure (e.g., a home in which the user resides), thereby generating a set of structure credentials. This enables other users in the structure, who may be part of a collaborative user group, to access devices, applications, and/or services using the structure credentials. |
| US11997083B2 |
Secure authentication of a device through attestation by another device
Methods and systems for secure authentication of a first device through attestation by one or more other devices are described herein. A server may receive, from an untrusted client device, a request for access to one or more services associated with the server. The server may generate a challenge code. The server may send, to the untrusted client device, a request for attestation of the untrusted client device. The server may receive, from a trusted client device, an indication that the trusted client device attests to an identity of the untrusted client device. Based on the indication that the trusted client device attests to the identity of the untrusted client device, the server may grant, to the untrusted client device, access to the one or more services associated with the server. |
| US11997072B2 |
Apparatus for detecting unauthorized communication in a network and searching for a substitute device
A communication monitoring and coping apparatus includes: a processor; a memory; an unauthorized communication detection unit that detects unauthorized communication in a network in which a plurality of devices are connected to communicate with each other and identifies a device involved in the detected unauthorized communication; a coping process determination unit that searches for another device that substitutes for the identified device and generates coping information, which is information of a process performed in place of the identified device, based on information on the network and information on each of processes performed by the plurality of devices; and a coping information transmission unit that transmits the generated coping information to an information processing apparatus that causes the other device to execute the process indicated by the coping information. |
| US11997071B2 |
Remote access to mediated content connection and control
A controlled content system for providing a controlled and contained environment that is remotely accessible is disclosed. An application on the end user device is modified to allow certain sites and services to be mediated in a mid-link server. The app uses policies to know when to access the mid-link server for the controlled and contained environment. Policies can specify the type of processing performed on the mid-link server. Some embodiments support the app selectively using the mid-link server for mediated sites and services. A client spoofer at the mid-link server spoofs direct interaction with the certain sites and the services as if the end user device was directly interacting with the plurality of remote services. |
| US11997061B2 |
Method for providing mutual-liking-based chat service
A method for providing a mutual-liking-based chat service is disclosed. A method by which a server provides a chat service, according to an embodiment of the present invention, may comprise the steps of: receiving mutual liking scores between users from user terminals; calculating a summed score for each of other users by summing a liking score which a first user has assigned to each of the other users and a liking score assigned from each of the other users, if a special chat room opening request of the first user among the users is received; selecting a second user corresponding to the highest score from among the summed scores; and opening a special chat room between the first user and the second user. |
| US11997059B1 |
Comprehensive privacy control for monitoring requests sent to artificial intelligence chatbots
A computer-implemented method, according to one implementation, includes: monitoring requests received for an AI interface prompt in real-time, and determining whether one or more of the requests violate compliance metrics. Risk scores are calculated for requests determined as violating the compliance metrics. The requests determined as violating the compliance metrics are updated by implementing protective measures correlated with the calculated risk scores. Moreover, the updated requests are sent to the AI interface prompt. |
| US11997058B2 |
Systems and methods for generating dynamic conversational responses using trained machine learning models
Methods and systems are described herein for generating dynamic conversational responses. For example, dynamic conversational responses may facilitate an interactive exchange with users. Therefore, the methods and systems used specialized methods to enriched data that may be indicative of a user's intent prior to processing that data through the machine learning model, as well as a specialized architecture for the machine learning models that take advantage of the user interface format. |
| US11997051B2 |
Resource configuration method, first communications device, second communications device, and system
The method includes: determining, by a first communications device, a first BWP for each second communications device in a second communications device group, where the second communications device group includes two or more second communications devices, and the first BWPs of all the second communications devices in the second communications device group are the same; sending, by the first communications device, configuration information of the first BWP to each second communications device in the second communications device group; and sending, by the first communications device, control signaling to all the second communications devices in the second communications device group, where the control signaling is used to indicate all the second communications devices in the second communications device group to activate the first BWP. |
| US11997050B2 |
Methods and apparatus for generating and using dynamic profiles for cable transmission systems
The techniques described herein relate to methods, apparatus, and computer readable media configured to schedule individual orthogonal frequency-division multiple access (OFDMA) resources on an upstream channel to serve a data transmission request from a downstream device. A schedule for a set of available resources on the upstream channel to serve the data transmission request is generated, based on a dynamic bit loading profile, including generating data indicative of a first bit loading profile for a first set of resources from the set of available resources for a first burst, and data indicative of a second bit loading profile for a second set of resources from the set of available resources for a second burst. The schedule is transmitted to a downstream device, such that the downstream device is configured to encode the first burst using the first bit loading profile and the second burst using the second bit loading profile. |
| US11997049B2 |
Mitigation of inter-carrier interference (ICI) due to frequency domain multiplexed (FDMED) DL channels with mixed numerologies
Techniques are provided for mitigating inter-carrier interference (ICI) due to frequency multiplexed downlink channels with mixed numerologies. For example, a base station allocates, for a user equipment (UE), a first downlink (DL) channel and a second DL channel that are frequency multiplexed in a same bandwidth part (BWP) and have different channel numerologies The base station determines a guard band interval between the first DL channel and the second DL channel based on one or more characteristics of the different channel numerologies, transmits DL transmissions to the UE, over the first DL channel and the second DL channel, using the guard band interval between the first DL channel and the second DL channel. |
| US11997048B2 |
Terminal appartus and method
A terminal apparatus and a method are provided. The terminal apparatus includes a receiver configured to receive at least a channel state information-reference signal (CSI-RS) in a bandwidth part (BWP), a measurer configured to measure and evaluate one or more values of a channel quality indicator (CQI) by using at least the CSI-RS, the CQI including a wideband CQI or a subband CQI, and to measure and update a value of the wideband CQI in a case that an indicator, corresponding to the BWP, indicates the wideband CQI, and at least one of a first condition and a second condition is not satisfied, and a transmitter configured to transmit a CSI report including the value of the wideband CQI. |
| US11997044B2 |
Flexible indication for start position of data channel
A node (100) of a wireless communication network manages sending of control information to a radio device (10). For a first frequency band, the control information indicates a first start position for transmission of a data channel. For a second frequency band, the control information indicates a second start position for transmission of the data channel. Based on the first start position and the second start position, the node (100) controls transmission of data on the data channel. |
| US11997042B2 |
Simultaneous HARQ-ACK and SR transmission on NR PUCCH
A user equipment (UE) is described. The UE includes transmitting circuitry configured to transmit hybrid automatic repeat request acknowledgment/negative acknowledgement (HARQ-ACK) and scheduling request (SR) on a physical uplink control channel (PUCCH) scheduled for the HARQ-ACK transmission. The HARQ-ACK and the SR are transmitted on the PUCCH by applying a cyclic shift on sequences of symbols carrying uplink control information (UCI) bits. |
| US11997040B2 |
Cell specific reference signal (CRS) muting for even further enhanced machine type communication (EFEMTC)
A network device such as an evolved NodeB (eNB) or next generation NodeB (gNB) can configure a set of user equipment (UE) for cell reference signal (CRS) muting in order to provide better channel quality and power efficiency in communications. Where an eNB mutes CRS transmissions that are not needed by any UE, an improvement in downlink throughput and reduce connection drop rate can be generated. A CRS muting capability can be determined based on a user equipment (UE) capability information. According to the CRS muting capability of a UE, the CRS can be transmitted at frequency locations based on CRS muting configuration parameters. |
| US11997039B2 |
Physical uplink control channel design for discrete fourier transform-spread-orthogonal frequency-division multiplexing (DFT-s-OFDM) waveforms
Various embodiments herein provide physical uplink control channel (PUCCH) designs for discrete Fourier transform-spread-orthogonal frequency-division multiplexing (DFT-s-OFDM) waveforms for systems operating above the 52.6 GHz carrier frequency. Some embodiments of the present disclosure may be directed to phase tracking reference signal (PT-RS) design for PUCCH with carrier frequencies above 52.6 GHz. Other embodiments may be disclosed and/or claimed. |
| US11997038B2 |
Method and apparatus for CSI-RS in RRC_idle/inactive state
Methods and apparatus for channel state information reference signal (CSI-RS) in RRC_IDLE/INACTIVE state. A method for operating a user equipment (UE) includes receiving a first configuration for CSI-RS/tracking reference signal (TRS) reception occasions for idle/inactive UEs. A CSI-RS/TRS reception occasion includes one or more CSI-RS resources, and each of the one or more CSI-RS resources is associated with a spatial reception parameter. The method further includes receiving a second configuration for a paging occasion (PO). The PO includes a number of physical downlink control channel (PDCCH) reception occasions The method further includes receiving an availability indication for one or more CSI-RS/TRS reception occasions from the CSI-RS reception occasions, receiving the one or more CSI-RS/TRS reception occasions in time before the PO; and determining a time or frequency offset based on the one or more CSI-RS/TRS reception occasions. |
| US11997037B2 |
UE operation method related to sidelink PTRS in wireless communication system
An embodiment is a method for a user equipment (UE) to transmit a phase-tracking reference signal (PTRS) related to sidelink in a wireless communication system, the method comprising the steps of: generating demodulation reference signals (DMRSs) related to a physical sidelink shared channel (PSSCH); generating a PTRS related to the PSSCH; and transmitting the PTRS and at least a portion of the DMRSs, wherein a DMRS sequence mapped to a prescribed position in a first PSSCH symbol in which the DMRSs are transmitted is used for generating the PTRS, and the prescribed position corresponds to a frequency location at which the PTRS is transmitted and includes a frequency location at which the generated DMRSs are not transmitted. |
| US11997036B2 |
Pilot signaling supporting digital post-distortion (DPOD) techniques
Methods, systems, and devices for wireless communications are described. Some systems may support digital post-distortion (DPoD) processing at a base station. In some such systems, a user equipment (UE) may process a data message for transmission, where a resulting signal associated with the data message includes non-linear characteristics that are handled by DPoD on the receiver-side. The non-linear characteristics may cause the signal to leak into out-of-band (OOB) resources, potentially resulting in interference. In some examples, the UE may transmit the data message to the base station in a multi-user system. To support mitigation of non-linear interference on signaling by other UEs, the UE may additionally transmit pilot signals in OOB resources (e.g., in addition to in-band resources) where the non-linearity may be expected to negatively affect other communications. The base station may use the OOB pilot signals to perform channel estimation and interference mitigation. |
| US11997031B2 |
Special subframe utilization for NB-IoT transmission in TDD mode
A base station and wireless device are configured to support TDD operation. In exemplary embodiments, the base station or UE can make use of the available symbols in the DwPTS or UpPTS of a special subframe respectively for NB-IoT transmissions. In one example, the base station can use OFDM symbols in the DwPTS to repeat in a predetermined manner some of the symbols transmitted in an immediately preceding downlink subframe, or in a succeeding downlink subframe. In other embodiments, the UE can use symbols in the UpPTS to repeat in a predetermined manner some of the symbols transmitted in the immediately succeeding uplink subframe, or in a preceding uplink subframe. The symbols repeated in the special subframe can be coherently combined at the receiver with corresponding symbols transmitted in a downlink or uplink subframe to improve decoding performance, reduce errors, improve channel estimation, and increase system capacity. |
| US11997028B2 |
Techniques for interference mitigation with muting via inter-cell coordination
Aspects described herein relate to interference mitigation for communication with muting via inter-cell coordination. In one example, a network entity such as a cell may identify a time or frequency resource allocated for communication with a user equipment (UE), and transmit, to a neighboring network entity, a muting message indicating that the time or frequency resource is occupied for communication. In another example, the network entity may receive, from a neighboring network entity, a muting message indicating that a time or frequency resource is occupied for communication. The network entity may further forgo scheduling of an uplink or downlink transmission to a UE on the indicated time or frequency resource. The network entity may further schedule data for uplink or downlink transmission with the UE on a different time or frequency resource. |
| US11997026B2 |
Safe port removal
Various example embodiments for supporting safe port removal are presented. Various example embodiments for supporting safe port removal may be configured to support safe port removal for a port of a virtual switch. Various example embodiments for supporting safe port removal for a port of a virtual switch may be configured to support safe removal of the port of the virtual switch such that the port is no longer available for use on the virtual switch. Various example embodiments for supporting safe port removal for a port of a virtual switch may be configured to support safe removal of the port of the virtual switch by performing separate logical and physical shutdowns of the port and performing one or more functions for the port (e.g., rejecting link discovery packets, continuing to handle data packets, and so forth) between the logical and physical shutdowns of the port. |
| US11997025B2 |
Selection of member ports in a link aggregation group
This disclosure describes techniques that include selecting a member port of an aggregation bundle by evaluating utilization of paths, within a router, to member ports of an aggregation bundle. In one example, this disclosure describes a method that includes receiving network data to be output through an aggregation bundle having a plurality of member ports; identifying local member ports; identifying non-local member ports, each of the non-local member ports being reachable from the receiving line card over a path through the switch fabric to a different one of the plurality of line cards; identifying available non-local member ports by determining, for each non-local member port, whether the path through the switch fabric has low utilization; and selecting a member port by applying a hashing algorithm to a group that includes each of the identified available non-local member ports. |
| US11997024B2 |
Mapping NVMe-over-fabric packets using virtual output queues
A network infrastructure device (e.g., network switch), that integrates solid-state drive (SSD) storage, using Non-volatile Memory Express (NVMe) data transfer protocol, for use by remote application hosts is provided. High availability configurations of network switches using direct rate control (RC) feedback for a plurality of submission queues mapped to SSD storage is provided. NVMe over fabric (NVMe-oF) is an implementation of NVMe protocol over a network fabric. Access to SSDs over network fabrics may be controlled using a direct RC feedback signal between an egress queue congestion accounting (associated with a single egress output) and a source node receiving input/output commands from remote hosts for the integrated SSD devices. In some implementations, direct RC feedback signals use hardware based signals. In some implementations, direct RC feedback signals are implemented in the hardware logic (silicon chip logic) within an internal switch fabric of the network switch. |
| US11997023B2 |
Admission control of a communication session
Aspects of the disclosure relate to admission control of a communication session in a network. The admission control can be implemented by a network node at the boundary of the network or a subsystem thereof. In one aspect, the admission control can be implemented during a predetermined period and can be based at least on an admission criterion, which can be specific to an end-point device, e.g., a target device or an origination device. The admission criterion can be configurable and, in certain implementations, it can be obtained from historical performance associated with establishment of communication session. Such historical performance can be assessed within a period of a configurable span. |
| US11997020B2 |
Multipath-capable communication device
A multipath capable communication device includes: a first communication path and a second communication path configured to provide data traffic to be transmitted; at least one control unit; a multipath scheduler configured to distribute data traffic to the first communication path and/or to the second communication path based on a first path metric; a first traffic shaper configured to limit the total bandwidth allocated to the communication device to a first adjustable bandwidth limiting value; and a second traffic shaper configured to limit the bandwidth allocated to the first communication path to a second adjustable bandwidth limiting value and/or a third traffic shaper configured to limit the bandwidth allocated to the second communication path to a third adjustable bandwidth limiting value. The at least one control unit is configured to control the multipath scheduler, the first traffic shaper, and the second traffic shaper and/or third traffic shaper. |
| US11997016B2 |
Routing control method, network device, and controller
Embodiments of the present disclosure provide a routing control method, network device, and controller. The method may include the network device obtaining a route suppression request. The method may also include determining the second routing entry. Furthermore, the method may include setting a state of the second routing entry to a non-delivery state that is used to indicate that the second routing entry does not need to be delivered to a forwarding table. In the method, the network device may have a first routing entry and a second routing entry, an address prefix of the first routing entry is a first address prefix, an address prefix of the second routing entry is a second address prefix, a network segment to which the second address prefix belongs is a subset of a network segment to which the first address prefix belongs, and a mask in the second address prefix is greater than a mask in the first address prefix. |
| US11997015B2 |
Route updating method and user cluster
A route updating method and a user cluster is disclosed. A master node of the user cluster operates in a worker node of a cluster provided by a service provider. The user cluster includes at least one worker node in which a BGP routing client operates, a BGP routing server operates in the master node, a BGP connection exists between the BGP routing client and the BGP routing server. When the BGP routing client detects that a new component is created by a worker node, the BGP routing client sends a route adding request corresponding to the component to the BGP routing server. When received, the BGP routing server adds a route table entry including the IP address of the component and the IP address of the worker node where the BGP routing client is located to a local route table of the master node. |
| US11997014B2 |
Automatic policy configuration for packet flows
Techniques are disclosed for providing automatic policy configuration for packet flows. For example, a computing device comprises a virtual node and one or more virtual execution elements coupled to the virtual node. The computing device may also comprise one or more processors configured to: receive a packet originating from an application workload hosted on the one or more virtual execution elements and destined for a remote destination device; determine the packet is part of a new packet flow; in response, configure, by a kernel of the computing device and without sending the packet to a user space of the computing device, a policy for a forward packet flow for the new packet flow; configure, by the kernel, a policy for a reverse packet flow associated with the forward packet flow; and send the packet toward the remote destination device in accordance with the policy for the forward packet flow. |
| US11996993B2 |
Packet transmission method, apparatus, and system, and storage medium
A method includes: receiving a service request, where the service request includes service information of a terminal device that is to perform access; and determining a first device and a first sliced network based on the service information of the terminal device, where the first sliced network is between the first device and a second device, the service request is forwarded by the second device, and the first sliced network transmits a data packet of the terminal device. |
| US11996990B2 |
Wireless connectivity for autonomous devices
Various example embodiments for supporting wireless connectivity for automated materials handling (AMH) are presented. Various example embodiments for supporting wireless connectivity for AMH may be configured to support wireless connectivity for AMH devices in an AMH environment (e.g., factory floor, mining environment, or the like). Various example embodiments for supporting wireless connectivity for AMH devices in an AMH environment may be configured to ensure that the AMH devices can maintain reliable connectivity to and communication with a network of the AMH environment. |
| US11996989B2 |
Method, an apparatus and a computer program product for network-as-a-service model
An application specific interface (AA-NAPI) associated with an application for the purpose of controlling the networking aspects of the application session is provided by communication service provider (CSP). Cost model of network service types associated with a specific application type is learned by using the AA-NAPI. For each service-point joining the session, network properties are queried by using the AA-NAPI. During continuous service quality monitoring, upon detection of quality degradation leading to the decision to upgrade session quality, network service-type associated with a specific server-point is changed by using the AA-NAPI. Network specific actions are taken to reconfigure the network so that the requested service type is received by the specific service-point. New network capability is activated to improve network service level by using the AA-NAPI. Network specific actions are taken by the network to install new network capabilities so that the specific service-point's service quality is improved as requested. |
| US11996987B2 |
Real-time diagnostic monitoring and connectivity issue resolution by a machine-learning data model
A system, methods, and computer-readable media are provided herein for real-time “live” identification of connectivity issues with autonomous predictive solution provision via a diagnostic application supported by a machine-learning model. In aspects, live data in a targeted application is captured in an on-going manner and used by the diagnostic application to automatically identify connectivity issues. When connectivity issues are detected, the live data capture is pushed to the model so that the model can make a predictive classification of the error based on geospatial, temporal, and/or geospatial-temporal alignments in the data. Based on the classification, the model predicts a solution and the diagnostic application provides the solution to the user of the targeted application. |
| US11996982B2 |
Configuration hash comparison
Disclosed embodiments are directed at systems, methods, and architecture for operating a control plane of a microservice architecture application. The control plane may link a plurality of APIs for the microservice architecture application. The communication between the APIs and the control plane enables the control plane to assess the settings of the APIs compared to stored versions of the settings. The settings and stored versions may each be hashed with a hashing algorithm. The control plane may instruct APIS to update their settings responsive to determining that the settings do not match the stored versions. |
| US11996976B2 |
One click monitors in impact time detection for noise reduction in at-scale monitoring
Methods for one click monitors in impact time detection for noise reduction in at-scale monitoring are performed by systems and devices. The methods automatically configure time window sizes and numbers of consecutive time windows for optimally detecting system alerts in at-scale systems and per dimension combinations, including updating settings over time to adapt to changing system behaviors. The past behavior of system performance metrics are analyzed to match configuration options and determine a best fitting or optimal combination of a highest detection accuracy in lowest time to detect for alerting. Optimal monitoring configurations are determined for each of up to hundreds of thousands of the metric dimensions across the system, and an end user is enabled to apply the determined, optimal configurations for system monitoring with a single selection. |
| US11996970B2 |
Method and apparatus for transmitting reference signal for frequency offset estimation in new wireless communication system
Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset. |
| US11996967B2 |
Low peak-to-average power ratio (PAPR) reference signal (RS) design for high frequency bands
Various embodiments herein provide techniques for reference signal (RS) configuration for high frequency bands (e.g., frequency above 52.6 GHz). For example, embodiments may include techniques for configuration of a demodulation reference signal (DM-RS), a channel state information reference signal (CSI-RS), and/or a sounding reference signal (SRS). The RS configuration may provide a low peak-to-average power ratio (PAPR) compared to prior techniques. Other embodiments may be described and claimed. |
| US11996965B2 |
Signal transmission method and communication apparatus
Embodiments of this application provide a signal transmission method and a communication apparatus in a multi-waveform scenario, and are applied to a scenario in which a single-carrier waveform and a multi-carrier waveform coexist. In this method, a network device indicates, via first indication information, a terminal device to transmit a signal by using transmission parameters corresponding to the first indication information, so that the terminal device transmits the signal by using the specified transmission parameters. Transmission parameters includes at least two of a transmission bandwidth, an extended bandwidth, or a total bandwidth. According to the embodiments of this application, a transmit end may perform sending by using the single-carrier waveform, and a receive end may perform receiving by using the multi-carrier waveform; or a transmit end may perform sending by using the multi-carrier waveform, and a receive end may perform receiving by using the single-carrier waveform. |
| US11996964B2 |
Uplink spectrum efficiency
Methods and systems are disclosed for reducing control signaling in uplink transmissions. A device, such as a wireless transmit/receive unit, may determine to use a demodulation reference signal (DM-RS) transmission schedule out of a plurality of DM-RS transmission schedules. The DM-RS transmission schedule may be characterized by a DM-RS transmission being mapped to a single orthogonal frequency-division multiplexing (OFDM) symbol per subframe of a data stream. The DM-RS transmission schedule may be characterized by a DM-RS transmission being mapped to a first subset of subcarriers of an OFDM symbol of a subframe of a data stream and Physical Uplink Shared Channel (PUSCH) transmission or Physical Uplink Control Channel (PUCCH) control information being mapped to a second set of subcarriers of the OFDM symbol. The first set of subcarriers may be different than the second set of subcarriers. The data stream may be transmitted according to the DM-RS transmission schedule. |
| US11996960B2 |
Techniques for determining a channel estimation for a physical broadcast channel symbol of a synchronization signal block with time division multiplexed symbols
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, via a single carrier communication, a synchronization signal block (SSB) with time division multiplexed symbols that include a physical broadcast channel (PBCH) symbol and one or more of a primary synchronization signal (PSS) symbol, a secondary synchronization signal (SSS) symbol, or a demodulation reference signal (DMRS) symbol. The UE may demodulate the PBCH symbol using a channel estimation for the PBCH symbol that is based at least in part on one or more channel estimations of the PSS symbol, the SSS symbol, or the DMRS symbol. Numerous other aspects are described. |
| US11996959B2 |
SRS transmission method, access network device, and terminal device
The technology described herein relates to an SRS transmission method, an access network device, and a terminal device. The method includes sending channel sounding reference signal (SRS) time domain resource indication information to a terminal device, where the SRS time domain resource indication information indicates an SRS time domain resource, and the SRS time domain resource includes at least one of a first symbol to an eighth symbol in a first slot. The method further includes receiving an SRS from the terminal device on the SRS time domain resource. |
| US11996954B2 |
Method and device for evaluating a signal
A method for evaluating a signal that is, for example, transferred and/or receivable via a bus system. The method includes: ascertaining a first variable that characterizes a length of a bit sequence associated with the signal, for example, the bit sequence including n bits, where n is greater than or equal to one, and optionally ascertaining a second variable that characterizes a deviation of the length of the bit sequence from a reference bit sequence that includes n bits. |
| US11996951B2 |
System and method for using a multicast service to configure a controlling device
A signature comprised of a plurality of data blocks formatted in accordance with a multicast communications protocol is received from a target appliance. When it is determined that one or more of the plurality of data blocks has been populated with user data, a representation of at least a portion of signature is provided to an analytics engine for processing whereby the user data within the one or more of the plurality of data blocks is replaced with a predicted, original data. The predicted, original data is then usable to provision a controlling device with a command code set for use in communicating commands to the target appliance. |
| US11996944B2 |
Communication method and apparatus for communication of a control channel and data channel
This application provides a communication method and apparatus used for the internet of vehicles, for example, vehicle to everything (V2X), Long Term Evolution-Vehicle (LTE-V), and vehicle-to-vehicle communication (V2V). The method includes: a first terminal apparatus generates, based on indication information such as an aggregation level of a control channel or a demodulation reference sequence configuration of a data channel, a demodulation reference sequence of another control channel, and sends the demodulation reference sequence to a second terminal apparatus. The second terminal apparatus can obtain the indication information in a process of detecting the demodulation reference sequence of the other control channel, to demodulate the control channel or the data channel. |
| US11996943B2 |
Method, device and computer storage medium for communication using physical downlink control channel candidates
Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. A method comprises transmitting, from a network device to a terminal device, a set of repetitions of downlink control information (DCI) for scheduling data transmissions from the network device to the terminal device; performing, based on the set of repetitions of the DCI, the data transmissions from the network device to the terminal device; and receiving, from the terminal device, a single feedback signal for the data transmissions. Embodiments of the present disclosure can improve reliability and robustness for Physical Downlink Control Channel (PDCCH). |
| US11996941B2 |
Techniques for providing dedicated demodulation reference signals for transmission repetitions
Aspects described herein relate to providing demodulation reference signal (DMRS) transmissions for channel transmission repetitions. This can include defining DMRS patterns for channel transmission repetitions having a symbol length that is less than a threshold, dropping or deferring channel transmission repetitions that are mapped to a set of uplink symbols that are less than a threshold symbol length, and/or the like. |
| US11996938B2 |
Encoder selection
Apparatus, methods, and computer program products for selecting an encoder for network coding are provided. An example method may include transmitting a report request for reporting one or more conditions to one or more network coding devices, the one or more conditions being associated with the one or more network coding devices. The example method may further include receiving a condition report reporting the one or more conditions from the one or more network coding devices based on the report request. The example method may further include transmitting a selection indication to a selected network coding device of the one or more network coding devices, the selection indication indicating a selection of the selected network coding device as an encoder for encoding a transport block (TB). |
| US11996937B2 |
Encoding device, encoding method, decoding device, decoding method, and program
Encoding and decoding devices, methods and programs are disclosed. In one example, decoding is provided by dividing input data into data strings of N bits, the data strings including a first data string, calculating a running disparity for the data strings, determining whether the first data string is to be inverted based upon the calculated running disparity, setting a flag for the first data string to a first value when it is determined that the first data string is not to be inverted, and setting the flag for the first data string to a second value and inverting the first data string when it is determined that the first data string is to be inverted, and outputting the first data string. The technology is, for example, applicable to a device communicating in an SLVS-EC specification. |
| US11996936B2 |
Bit error correction for Bluetooth low energy
Disclosed are methods and systems for a Bluetooth Low Energy (BLE) receiver to reduce the number of retransmission of packets needed to receive an error free packet so as to improve channel throughput. Techniques to reduce the number of retransmissions include a combination of processing of the header of the received packets to increase the number of corrupted packets available for reconstructing the original payload and bit error correction (BEC) of the payload of the corrupted packets. Header processing may include making available for payload reconstruction a packet whose received access address differs by no more than 1-bit from an assigned address of the receiver provided at least one of the corrupted packets used in the reconstruction contains an error-free access address. Header processing may also include using a prior error-free decoded length of the packet to aid in the determination of the length field of a current packet. |
| US11996934B2 |
Broadcasting packets using network coding with feedback
Methods, systems, and devices for wireless communications are described. A network node may identify a set of packets (e.g., from a packet pool) that are scheduled for broadcast to a plurality of user equipments (UEs) and transmit a set of network encoded packets based on the set of packets. The network node may receive feedback from one or more of the plurality of UEs, and the feedback may indicate successfully decoded packets by each of the one or more UEs. Based on the feedback, the network node may identify an updated set of packets and transmit the updated set. The transmitter may continue to update and transmit based on feedback until the feedback indicates that updated set of packets is empty. |
| US11996931B2 |
Transmission of synchronization signals
Technology for a Next Generation NodeB (gNB) operable to encode a primary synchronization signal for transmission to a user equipment (UE) is disclosed. The gNB can identify a sequence d(n) for a primary synchronization signal. The sequence d(n) can be defined by: d(n)=1−2s(n), where s(n) is a maximum run length sequence (m-sequence) and s(n) is provided as s(n+7)=(s(n+4)+s(n))mod 2, where 0≤n≤127. The gNB can generate the primary synchronization signal based on the sequence d(n). The gNB can encode the primary synchronization signal for transmission to the UE. |
| US11996926B2 |
Method for selecting beam for communication, and electronic device therefor
The present invention is for beam selection for communication, and an electronic device may include a housing, at least one antenna array including antenna elements disposed in the housing, or formed in part of the housing, at least one processor electrically or operatively connected with the antenna array, and configured to form a plurality of reception beams (rx beams) having different directions, using the antenna array, and a memory operatively connected with the processor. The memory may stores instructions for causing the processor to measure, by using the plurality of the rx beams, signal strength values of a plurality of tx beams transmitted from at least one base station and having different directions, generate measurement results of (the number of the rx beams)×(the number of the tx beams), and select one of a plurality of methods for selecting one beam pair from among the (the number of the rx beams)×(the number of the tx beams)-ary beam pairs, based at least in part on the measurement results. |
| US11996925B2 |
Dynamic antenna configuration
Techniques are described for expanding and/or improving the Advanced Television Systems Committee (ATSC) 3.0 television protocol in robustly delivering the next generation broadcast television services. A receiver uses relative location and direction of motion of the receiver with respect to each broadcaster to determine which tuner/demodulator(s) to use to present a service and which to use to scan for services. |
| US11996919B2 |
Composite beam generation using machine learning
Methods, apparatuses, systems, and computer-readable media for a composite beam generation using machine learning. A method includes identifying a narrow beam for a transmission, identifying a composite beam including the narrow beam based on an association between one or more composite beams and one or more narrow beams, identifying one or more beamforming weights for transmitting the composite beam, and transmitting the composite beam using the one or more beamforming weights. The one or more beamforming weights are determined based on machine learning. In some embodiments, the method includes generating a composite beam codebook including information indicating sets of one or more beamforming weights corresponding to composite beam indexes, respectively. The sets of one or more beamforming weights are determined using respective parameters of a machine learning algorithm that are separately updated for coverage regions of composite beams corresponding to the composite beam indexes, respectively. |
| US11996914B2 |
Supporting distributed massive multiple-input multiple-output (DM-MIMO) in a distributed communications system (DCS)
Supporting distributed massive multiple-input multiple-output (DM-MIMO) in a distributed communications system (DCS) is disclosed. The DCS includes multiple remote units each configured to communicate downlink and uplink radio frequency (RF) communications signals with a number of user equipment (UEs) at different UE locations in the DCS. Each remote unit includes multiple antennas, multiple RF chains, and an RF switch circuit configured to dynamically couple the RF chains to a subset of antennas in accordance to the UE locations such that the subset of antennas can be activated to concurrently radiate the downlink RF communications signals and absorb the uplink RF communications signals. By dynamically activating the subset of antennas in accordance to the UE locations, it is possible to optimize signal strength and channel quality for each UE in the DCS, thus making it possible to improve wireless data capacity of the DCS with negligible additional hardware cost. |
| US11996911B2 |
Channel state information feedback method and apparatus
Provided are a capability information feedback method and apparatus, and a channel state information feedback method and apparatus. The capability information feedback method comprises: transmitting, by a first communication node, capability information to a second communication node, where the capability information is used for indicating a capability of the first communication node; and receiving, by the first communication node, parameter signaling which is transmitted by the second communication node and corresponds to the capability of the first communication node. Through the method, the first communication node feeds the capability information supported by the first communication node back to the second communication node so that the second communication node can perform scheduling based on the capability of the first communication node, thereby reducing the system overhead and improving the system performance. |
| US11996909B2 |
Apparatus, methods and machine-readable media relating to phase tracking in a wireless network
A method is performed by a network node of a communication network. The communication network comprises a plurality of coordinated radio access network nodes for transmitting multiple streams of data to a wireless device in a given time resource. The method comprises: causing transmission, to the wireless device, of an indication that the wireless device should perform multiple separate phase-tracking processes on the signals received from the plurality of coordinated radio access network nodes in the given time resource. |
| US11996904B2 |
Bus system and communication apparatus
A signal compensation line includes at least one of: a first signal compensation line including a first end connected to a main line (3) on a side closer to a first communication device (1) with respect to a first connection point (8-1) counted from the first communication device (1) among connection points (8-1) to (8-3) between the main line (3) and respective first ends of branch lines (5-1) to (5-3), and a second end grounded; or a second signal compensation line including a first end connected to the main line (3) on a side closer to a second communication device (2) with respect to the first connection point (8-3) counted from the second communication device (2) among the respective connection points (8-1) to (8-3), and a second end grounded. |
| US11996898B2 |
Method for determining a pre-equalization matrix and test setup
A method for determining a pre-equalization matrix to be used for testing is provided. A radio communication tester is provided that has a base station emulator and a channel emulator. A device under test is provided that has at least two branches. A N×M multiple-input multiple-output (MIMO) connection is established between the radio communication tester and the device under test. The N×M MIMO connection includes at least two channels. Reference signal received power per branch measurement values are continuously forwarded from the device under test to the radio communication tester. A pre-equalization matrix is determined by the radio communication tester, wherein the reference signal received power per branch measurement values and presence of additive white Gaussian noise (AWGN) are taken into account when calculating the pre-equalization matrix. The pre-equalization matrix compensates cross-talk between the at least two channels and balances the branches such that the device under test receives equal power at its reception antennas. Further, a test setup is described. |
| US11996894B2 |
Modulation method, apparatus, and system for imaging scanning signal synchronization
The present disclosure provides a modulation method, apparatus, and system for imaging scanning signal synchronization. The method includes: transmitting control signals, wherein the control signals include a galvanometer driving signal, a laser scanning signal, and a camera exposure signal, the galvanometer driving signal and the camera exposure signal have a same period, and the laser scanning signal enables laser to be emitted for N times within time for enabling positive oscillation of a galvanometer in one period of the galvanometer driving signal; measuring an actual signal waveform of the galvanometer, and obtaining a noise-reduced waveform by filtering and de-noising the actual signal waveform; performing a waveform comparison detection on the noise-reduced waveform and a corresponding control waveform for the galvanometer driving signal to obtain a waveform deviation; and adjusting the control signals based on the waveform deviation and transmitting the adjusted control signals. |
| US11996892B1 |
Communication system and method for cloud-assisted free-space optical backhaul
A communication system that includes a cloud server that obtains first sensor data associated with a defined indoor area and second sensor data associated with each of a plurality of optical nodes in defined indoor area. The plurality of optical nodes includes a master communication device, a plurality of optical routing devices, and one or more service communication devices. The cloud server further obtains location coordinates of each of the plurality of optical nodes. The cloud server then causes the master communication device to form a laser beam-based wireless communication network in the defined indoor area. The laser beam-based wireless communication network is one of a Laser Beam Mesh Network (LBMN) or a Laser Beam Cascaded Network (LBCN). |
| US11996891B1 |
Apparatus embedded with terahertz transceivers using difference frequency generation
An apparatus embedded with one or more terahertz transceivers is described. The one or more terahertz transceivers based on at least one optical source is provided to facilitate wireless communication in the apparatus, where the apparatus is embedded with one or more planar antennas. The transceiver operates in terahertz and may be coupled to two different antennas, one for transmission and the other for reception. |
| US11996888B2 |
Apparatuses and methods for facilitating communications using a single hollow core fiber combining module
Aspects of the subject disclosure may include, for example, causing, by a processing system including a processor, a first optical signal to be conveyed within a first communication device from a first component of the first communication device to a second component of the first communication device via a first fiber including a first hollow core fiber, and causing, by the processing system, the first optical signal to be transmitted from the first communication device to a second communication device via a second fiber. Other embodiments are disclosed. |
| US11996885B2 |
Method and apparatus for alignment of a line-of-sight communications link
Techniques are disclosed for aligning an optical transmitter with an optical receiver for a line-of-sight communications link, wherein the optical transmitter comprises a laser array emitter, the laser array emitter comprising a plurality of laser emitting regions, wherein each of a plurality of the laser emitting regions is configured to emit laser light in a different direction such that the laser array emitter is capable of emitting laser light in a plurality of different directions. The system can run produce emissions from different laser emitting regions until a laser emitting region that is in alignment with the optical receiver is found. This aligned laser emitting region can then be selected for use to optically communicate data from the optical transmitter to the optical receiver. |
| US11996883B2 |
Method and device for recovering sub-signals from composite signal of blind source
A computer-implemented method for recovering one or more active sub-signals from a composite signal of a blind source is provided. The method includes: performing an offline preparing process to generate a lookup table of Continuous Wavelet Transform (CWT)-basic elements (WBEs); when receiving raw data of the composite signal of the blind source, performing a real-time process to recover the one or more active sub-signals of the composite signal according to the lookup table of WBEs by formulating the composite signal by a Realistic Adaptive Harmonic Model (RAHM); and generating analysis data comprising one or more attributes of the active sub-signals. |
| US11996881B2 |
Electronic device and method for controlling communication in electronic device supporting heterogeneous communication technologies sharing a frequency band
According to various embodiments, an electronic device may comprise an ultra-wideband (UWB) communication circuit, a Wi-Fi communication circuit and a processor controlling the UWB communication circuit and the Wi-Fi communication circuit. The processor may be configured to identify an operation channel of the UWB communication circuit, identify a communication band of the Wi-Fi communication circuit, overlapping the operation channel of the UWB communication circuit, and when the communication band overlapping the operation channel is activated, determine whether to simultaneously perform Wi-Fi communication through the activated communication band and UWB communication through the operation channel. Other various embodiments are possible as well. |
| US11996878B1 |
Custom audio signal enhancement adapter
Provided herein are novel methods for providing an enhanced audio signal adapter. The invention provides an in-line audio adapter that digitally enhances bi-directional radio communication for dismounted and mounted operators. The adapter may be customizable to the hearing ability of the radio user, and compatible with both standard military audio connectors and commercial audio connectors enhancing the operator's in-field capabilities to process, record, share, replay, and operate radio communications. |
| US11996875B2 |
Filters including bandpass filter transmission lines
Filters include a housing having an input port and an output port and a plurality of resonant cavities within the housing. Each resonant cavity may include a respective notch resonator. The filter may further include a bandpass filter that includes a plurality of bandpass resonators, the bandpass filter extending between the input port and the output port. The bandpass filter may replace a transmission line that is included in conventional filters. |
| US11996874B1 |
System and method of determining interfering signal parameters
Systems and methods comprising: receiving a signal (S) having a first interfering signal component (FISC); generating a replicated SOI (RSOI); and iteratively performing a process to obtain residual errors for FISC. The process involves: modifying an amplitude of RSOI; obtaining a reference signal (RS) by removing RSOI with the modified amplitude from S; analyzing frequency of RS to obtain an estimated carrier frequency and an estimated symbol rate for FISC; generating a remaining signal by removing, from FRS, a signal having the estimated carrier frequency and symbol rate; and determining a residual error of the remaining signal. Parameters for FISC are then set equal to the estimated carrier frequency and symbol rate that are associated with a lowest residual error. The parameters may be further refined in accordance with another process which involves iteratively modifying a symbol rate of FISC. Yet another process may be performed to determine filter parameters. |
| US11996868B2 |
Adaptive delta compression for timeseries data
Example systems and methods that perform adaptive delta compression for timeseries data are described. In one implementation, one or more computer processors analyze timeseries data to identify properties about the data. The one or more computer processors select at least one compression primitive based on at least one test. A window size is dynamically changed based on the analysis results and the at least one compression primitive. |
| US11996862B2 |
High performance decoder
Systems and methods are disclosed for implementing a high performance decoder. In certain embodiments, an apparatus may comprise a decoder circuit configured to decode a codeword of bits, including: a check node processor configured to provide a plurality of check to variable (c2v) messages to a variable node processor in parallel, the plurality of c2v messages including log likelihood ratio (LLR) data related a parity sum of multiple bits of the codeword; the variable node processor configured to generate a decision vector based on the plurality of c2v messages; and a convergence checker circuit configured to determine whether the codeword has been decoded based on the decision vector and output decoded data when the codeword has been decoded. |
| US11996858B2 |
Comparator circuit with speed control element
A comparator circuit with a speed control element is disclosed herein. The speed control element may include a variable voltage source and one or more transistors. Using a voltage supplied by the variable voltage source, the one or more transistors may control a swing of a clock signal to provide a swing controlled clock signal to an amplification portion of the comparator circuit. The swing controlled clock therefor may be used to control the speed of the comparator circuit (e.g., an amplification phase) based on a level of noise in the circuit. The swing controlled clock may further be used to align an output common voltage of the comparator circuit with switching voltages of downstream logic cells (e.g., inverters) connected to the comparator circuit. |
| US11996857B2 |
Analog-to-digital conversion circuit and receiver including same
An analog-to-digital conversion circuit includes analog-to-digital converters (ADCs) including a target analog-to-digital converter (ADC) providing second data samples, a first adjacent ADC providing first data samples, and a second adjacent ADC providing third data samples. The ADCs perform an analog-to-digital conversion using a time-interleaving approach in response to clock signals having different phases and including a reference clock signal. A timing calibration circuit includes a relative time skew generator generating a relative time skew and an absolute time skew generator generate an absolute time skew. A clock generator adjusts at least one phase of the clock signals based on the absolute time skew. |
| US11996855B2 |
Resistor DAC gain correction
Systems and techniques for Digital-to-Analog Converter (DAC) gain correction are described herein. A digital-to-analog converter (DAC) circuit can include a switch bridge circuit having a first leg and a second leg that define respective mutually exclusive first and second DAC signal paths. The DAC circuit can further include a first compensation circuit configured to provide a first compensation current to the first leg of the switch bridge to compensate for a current defect caused by a voltage drop across a portion of the first DAC signal path. The DAC circuit can also include a second compensation circuit configured to provide a second compensation current to a second leg of the switch bridge to compensate for a voltage drop across a portion of the second DAC signal path. The DAC circuit can be included in a larger circuit such as a continuous time sigma delta (CTSD) analog-to-digital converter (ADC). |
| US11996854B2 |
Method and system for low noise sub-sampling phase lock loop (PLL) architecture with automatic dynamic frequency acquisition
A sub-sampling phase lock loop includes samplers that obtain sampled values by sampling clock signal phases corresponding to a clock signal generated by a voltage controlled oscillator at sampling edges of reference signal phases of a reference signal generated by a reference clock generator over a reference clock cycle; and a phase detector that selects a phase for a particular instant of the reference signal based on at least one sampled value satisfying a predetermined criteria, the phase corresponding to a clock signal phase value and a reference signal phase value respectively selected from the clock signal and reference signal phases, the phase detector tracks the selected phase at every successive instant of the reference signal, and determines a sampled value associated with the selected phase in every successive instant of the reference signal; and a processing unit that acquires frequency information based on the tracking of the selected phase. |
| US11996853B2 |
Apparatus and method to mitigate phase frequency modulation due to inductive coupling
Described is an apparatus which comprises: a first clocking source having a first divider; a second clocking source having a second divider, wherein the first and second clocking sources are inductively coupled; and calibration logic to monitor clock signals associated with the first and second clocking sources and to generate at least one calibration code for adjusting at least one divider ratio of the first or second dividers according to the monitored clock signals. |
| US11996852B2 |
Compensation technique for the nonlinear behavior of digitally-controlled oscillator (DCO) gain
Systems and methods are provided for hopping a digitally controlled oscillator (DCO) among a plurality of channels, wherein a gain of the DCO KDCO is a nonlinear function of frequency. A first normalized tuning word (NTW) corresponding to a first channel of the plurality of channels is generated. A first normalizing gain multiplier X is generated based on the nonlinear function of frequency, on an estimate of the nonlinear function of frequency, at a first frequency corresponding to the first channel. The first NTW is multiplied by the first X to obtain a first oscillator tuning word (OTW). The first OTW is input to the DCO to cause the DCO to hop to the first channel. A system for hopping among a plurality of channels at a plurality of respective frequencies comprises a phase-locked loop (PLL), a digitally controlled oscillator (DCO), a multiplexer, and an arithmetic module. |
| US11996851B2 |
Pulse width modulation decoder circuit, corresponding device and methods of operation
A circuit for decoding a pulse width modulated (PWM) signal generates an output signal switching between a first and second logic values as a function of a duty-cycle of the PWM signal. Current generating circuitry receives the PWM signal and injects a current to and sinks a current from an intermediate node as a function of the values of the PWM signal. A capacitor coupled to the intermediate node is alternatively charged and discharged by the injected and sunk currents, respectively, to generate a voltage. A comparator circuit coupled to the intermediate node compares the generated voltage to a comparison voltage and drives the logic values of the output signal as a function of the comparison. |
| US11996850B2 |
Comparator with reduced offset
A device includes a first transistor (M1) having a control terminal that is a first comparator input, a first terminal that can be coupled to a voltage source, and a second terminal that provides a first comparator output; a second transistor (M2) having a control terminal that is a second comparator input, a first terminal that can be coupled to the voltage source, and a second terminal that provides a second comparator output; a third transistor (M3) having a control terminal coupled to M1, and a first terminal coupled to ground; a fourth transistor (M4) having a control terminal coupled to M2, and a first terminal coupled to ground; first switches that couple M3 second terminal to M3 control terminal, and M4 second terminal to M4 control terminal; and second switches that couple M3 second terminal to the M2 second terminal, and M4 second terminal to the M1 second terminal. |
| US11996849B2 |
Timing sequence generation circuit
In accordance with an embodiment, a timing sequence generation circuit includes: a ring oscillator having a plurality of clock signal outputs configured to provide clock signals delayed in time with respect to one another; a first shift register comprising a flip-flop having a clock input coupled to a clock signal input of the first shift register and an output coupled to an output of the first shift register; and a first circuit configured to: select a clock signal from among the clock signals; and deliver the selected clock signal to the clock signal input of the first shift register |
| US11996846B2 |
Latch circuit, flip-flop circuit including the same
A master latch circuit, including a first p-type transistor, a first n-type transistor, and a second n-type transistor connected in series; a first node connected to the first p-type transistor and the first n-type transistor, and a NAND circuit configured to receive a signal of the first node and a clock signal and output a result of a NAND operation to a second node, wherein a gate of the first p-type transistor is connected to the second node. |
| US11996845B2 |
Power converter suitable for high frequencies
A switching circuit comprises a main switch element having a gate as a control input; and a ring oscillator connected as a driver circuit to the gate to drive the main switch via the gate. The basic circuit is used to build various components which have the property that they can work at very high frequencies. |
| US11996843B2 |
Redundant analog built-in self test
Described embodiments include a test system having first, second and third circuits having the same design and configured to receive a same input signal. A majority voter circuit has a first voter input coupled to a first circuit output, a second voter input coupled to a second circuit output, a third voter input coupled to a third circuit output, and a voter output. The output signal is equal to a signal present at least two of the voter inputs. A discrepancy detector circuit has first, second and third discrepancy inputs coupled to the first, second and third circuit outputs, respectively. A discrepancy output is configured to: provide a first logic signal responsive to the first, second and third circuit outputs having equal values; and provide a second logic signal responsive to the first, second and third circuit outputs having unequal values. |
| US11996841B2 |
Comparator circuit and driver
A comparator circuit according to this embodiment includes: a comparator element configured to output a matching signal indicating whether or not a value of a first input signal matches a value of a second input signal; a flip-flop circuit configured to hold a data of a data input terminal based on a comparator clock signal and configured to output an enable signal for stopping an operation of the comparator element; and an internal signal generation circuit configured to output an internal signal to the data input terminal based on the matching signal and an output signal output from the flip-flop circuit. |
| US11996838B2 |
Driving device and driving method
A driving device comprises a first complementary metal-oxygen-semiconductor circuit and a first comparator. The first complementary metal-oxygen-semiconductor circuit is configured for outputting a power signal or a pull-down signal according to the first input signal. The first comparator comprises a first non-inverting input terminal and a first inverting input terminal. The first non-inverting input terminal is coupled to the first complementary metal-oxygen-semiconductor circuit, and is configured to receive the power signal or the pull-down signal. The first inverting input terminal is configured for receiving a first reference signal, and the first comparator is configured to compare one of the power signal and the pull-down signal and the first reference signal to provide a first driving signal. |
| US11996837B2 |
Fuse structure
A fuse structure includes first and second transistors where each of the first and the second transistors has a source terminal, a drain terminal, and a gate terminal; a first source/drain contact disposed on the source terminal of the first transistor; a second source/drain contact disposed on the drain terminal of the second transistor; an insulator disposed laterally between the first and the second source/drain contacts; a source/drain contact via disposed on the first source/drain contact; and a program line connected to the source/drain contact via, wherein a width of the insulator is configured such that a programming potential applied across the source/drain contact via and the drain terminal of the second transistor causes the insulator to break down. |
| US11996834B2 |
Current blocking element assembly and product having current blocking element assembly
A current blocking element assembly is provided and includes first and second current blocking elements, first current blocking element including: first-A electrode layer configured to hold ions; first ion conductive layer configured to conduct ions and does not have electronic conductivity; and second-A electrode layer configured to hold ions, first-A electrode layer, first ion conductive layer, and second-A electrode layer laminated in order, second current blocking element including: first-B electrode layer configured to hold ions; second ion conductive layer configured to conduct ions and does not have electronic conductivity; and second-B electrode layer configured to hold ions, first-B electrode layer, second ion conductive layer, and second-B electrode layer laminated in order, wherein the second-A electrode layer and the second-B electrode layer are electrically connected. |
| US11996833B2 |
Drive circuit
Embodiments of this application relate to the field of electricity, and disclose a drive circuit. In some embodiments of this application, the drive circuit includes a high-side driver module and a delay module, the delay module is configured to output a delay signal of preset duration to the high-side driver module in a case that a control module is being reset; and the high-side driver module is configured to: according to the delay signal of preset duration, remain in a first state within the preset duration, the first state being the same as a second state; where the second state is a working state of the high-side driver module before the control module is reset, and the second state includes being on or off. |
| US11996827B2 |
Transversely-excited film bulk acoustic resonator with periodic etched holes
There are disclosed acoustic resonators, filter devices, and methods of fabricating acoustic resonators and filter devices. An acoustic resonator includes a piezoelectric plate having front and back surfaces, the back surface attached to a surface of a substrate except for portions of the piezoelectric plate forming a diaphragm spanning a cavity in the substrate. A conductor pattern on the front surface includes an interdigital transducer (IDT) with interleaved fingers of the IDT disposed on the diaphragm. A plurality of holes is in the diaphragm, wherein each of the plurality of holes is configured to scatter spurious modes in the diaphragm. |
| US11996826B2 |
Transversely-excited film bulk acoustic resonator with thermally conductive etch-stop layer
Acoustic resonator devices and methods are disclosed. An acoustic resonator device includes a substrate having a surface and a single-crystal piezoelectric plate having front and back surfaces. An etch-stop layer is sandwiched between the surface of the substrate and the back surface of the piezoelectric plate, a portion of the piezoelectric plate and the etch-stop layer forming a diaphragm spanning a cavity in the substrate. An interdigital transducer (IDT) is formed on the front surface of the single-crystal piezoelectric plate with interleaved fingers of the IDT disposed on the diaphragm. The etch-stop layer is impervious to an etch process used to form the cavity. The etch-stop layer is a high thermal conductivity material selected from aluminum nitride, boron nitride, and diamond. |
| US11996825B2 |
Filter using lithium niobate and rotated lithium tantalate transversely-excited film bulk acoustic resonators
Acoustic filters are disclosed. A bandpass filter has a passband between a lower band edge and an upper band edge. The bandpass filter includes a plurality of transversely-excited film bulk acoustic resonators (XBARs) connected in a ladder filter circuit. The plurality of XBARs includes at least one lithium tantalate (LT) XBAR and at least one lithium niobate XBAR. Each of the at least one LT XBAR includes an LT piezoelectric plate with Euler angles (0°, β, 0°), where β is greater than zero and less than or equal to 40 degrees. |
| US11996822B2 |
Wide bandwidth time division duplex transceiver
A wide bandwidth time division duplex (TDD) transceiver includes a transmitter, a receiver, and a bandpass filter implemented with a plurality of acoustic resonators including at least one shunt resonator and at least one series resonator. A transmit/receive switch is configured to selectively connect a first terminal of the bandpass filter to either an output of the transmitter or an input of the receiver. Each of the plurality of acoustic resonators is a high power transversely-excite film bulk acoustic resonator. |
| US11996820B2 |
Fifth-generation (5G)-focused piezoelectric resonators and filters
A piezoelectric thin film suspended above a carrier substrate is adapted to propagate an acoustic wave in a Lamb mode excited by a component of an electric field that is oriented in a longitudinal direction along a length of the piezoelectric thin film. A first signal electrode is located on the piezoelectric thin film and oriented in a transverse direction perpendicular to the longitudinal direction. A first ground electrode is located on the piezoelectric thin film and oriented in the transverse direction. The first ground electrode is separated from the first signal electrode by a gap in which the acoustic wave resonates. A first release window and a second release window are located at a first end and a second end of the piezoelectric thin film, respectively. Intermittent release windows are located beyond distal ends of the first signal electrode and the first ground electrode. |
| US11996819B2 |
Low-cost filter
A filter includes: an input terminal configured to receive a radio frequency signal, and an output terminal of the filter configured to output the radio frequency signal obtained after filtering. The filter further includes a first filter capacitor and a first ground via. The first filter capacitor is disposed in a substrate or on a surface of a substrate. A first terminal of the first filter capacitor is coupled to the input terminal or the output terminal of the filter, a second terminal of the first filter capacitor is coupled to a terminal of the first ground via disposed in the substrate, and another terminal of the first ground via is coupled to a ground. |
| US11996815B2 |
Termination impedance isolation for differential transmission and related systems, methods and apparatuses
Disclosed examples include an apparatus. The apparatus may include a differential signal path portion, a first circuit, and a second circuit. The first circuit may be arranged at the differential signal path portion to set a differential impedance of the differential signal path portion. The second circuit may be arranged outside of the differential signal path portion to set a common-mode impedance of the differential signal path portion lower than the differential impedance. |
| US11996814B2 |
Active filter configured to suppress out-of-band peaking and an analog-to-digital converter using the same
An active filter and an analog-to-digital converter (ADC) configured to suppress out-of-band peaking. An active filter may include an active device configured to provide a power gain to an input signal, a feedback network configured to connect an output of the active device to an input of the active device, and an input impedance network configured to couple the input signal to the input of the active device. A combination of the feedback network and the input impedance network is configured to provide frequency response properties of the active filter such that a frequency domain signal transfer function of the active filter has a constant in numerator. |
| US11996803B2 |
Foldable solar panel
A foldable solar panel including at least two solar modules mounted to a substrate. The foldable solar panel includes hook and loop tape to secure the foldable solar panel in the folded configuration. The foldable solar panel includes at least two straps and at least two horizontal rows of webbing operable to attach the foldable solar panel to a load-bearing platform. |
| US11996798B2 |
Device for generating electricity
The present disclosure provides a device for generating electricity. The device includes first and third panels that are each at least partially transmissive for visible light and are spaced apart from each other. The first panel defines a light receiving surface. The device further includes first and second photovoltaic elements. The first photovoltaic element is arranged in a first orientation with respect to the light receiving surface and the second photovoltaic element being arranged in a second orientation that is different to both the orientation of the first photovoltaic element and the orientation of the light receiving surface. The first photovoltaic element and the second photovoltaic element are located within a projection of the circumference of the first panel in a direction along a surface normal of the first panel. |
| US11996796B2 |
Support connector, solar panel connector attachable to the support connector, and attaching system comprising said support connector and said solar panel connector
A system for attaching a solar panel to a support, includes a support connector and a solar panel connector, where the support connector includes a U-shaped profile having a lower wall and two side walls, where an upper end of the side walls is bent inwards to provide vertical rails for receiving the panel connector; and the panel connector include a profile having: an upper C-shaped portion configured for receiving a side edge of a solar panel; a lower, upwardly oriented channel portion configured for receiving the vertical rail of the support connector; and at least one box-shaped portion connecting the upper C-shaped portion and the lower channel portion. |
| US11996795B2 |
Motor alignment control
A motor drive system for use with a motor comprising a first high-side switch coupled to a high voltage bus and the motor. A first low-side switch coupled to the motor and a return, a turn ON and turn OFF of the first high-side switch and the first low-side switch provides a phase current for the motor. A system controller configured to receive a phase current sense signal representative of the phase current of the motor and configured to begin an alignment sequence to align the motor to a goal alignment position, wherein during the alignment sequence at least one of the first high-side switch or the first low-side switch is turned ON and OFF having an alignment duty ratio, and the system controller is configured to end the alignment sequence in response to a sensed decrease in the phase current sense signal or a first duration has elapsed. |
| US11996788B2 |
Single stage buck-boost inverter with step modulation
Disclosed is a novel and innovative class of buck-boost bidirectional inverters achieve ultra high efficiency in applications requiring converting of one or more low and variable DC voltages of one or more power sources (which may include a battery, a low-voltage DC source, or a set of PV solar panels) to an AC voltage (e.g., connected to a grid) through a single-stage power conversion with step modulation. |
| US11996785B1 |
High efficiency AC-DC converter
A method of optimizing the efficiency of an AC-DC converter, wherein the energy extraction time from the AC line is increased and as result the size of the bulk capacitor can be decreased and in applications wherein the size of the bulk capacitor is maintained constant the ripple across the bulk capacitor is decreased. The methods presented also increase the power factor in AC-DC converters. Extending the energy extraction from the AC line also lowers the RMS current through the input bridge and the input bulk capacitor. The reduction of the ripple across the bulk capacitor also increases the efficiency of the DC-DC converter, increasing in this way the overall efficiency of the AC-DC converter. |
| US11996779B2 |
Systems and methods for voltage compensation based on load conditions in power converters
Systems and methods for voltage compensation based on load conditions in power converters. For example, a system controller for regulating a power converter includes a first controller terminal; a second controller terminal; and a compensation current generator. The compensation current generator is configured to receive an input signal through the first controller terminal. The input signal indicates a first current flowing through a primary winding of a power converter. The compensation current generator is configured to receive a demagnetization signal related to a demagnetization period of the power converter and associated with an auxiliary winding of the power converter. The compensation current generator is configured to generate a compensation current based at least in part on the input signal and the demagnetization signal. The compensation current generator is connected to a resistor. The resistor is configured to generate a compensation voltage based at least in part on the compensation current. |
| US11996777B2 |
Control circuit for an electronic converter, related integrated circuit, electronic converter and method
A control circuit for an electronic converter is generates a drive signal of the electronic converter by setting the drive signal to a first logic level in response to a switch-on signal, and to a second logic level in response to a switch-off signal. The control circuit comprises a valley detection circuit and a combinational logic circuit. The control circuit comprises a blanking circuit configured to generate the blanking signal by determining a blanking time, and asserting the blanking signal when the blanking time elapses since the start of the switch-on or the switch-off interval. The control circuit comprises a blanking time adaption circuit to adapt the blanking time as a function of a blanking time adaption signal based on the input voltage, and to increase the blanking time when the input voltage increases, and decrease the blanking time when the input voltage decreases. |
| US11996773B2 |
Systems and methods for output current regulation in power conversion systems
Systems and methods are provided for regulating a power conversion system. An example system controller includes: a detection component configured to receive an input voltage related to a diode connected to an inductor and output a first signal at a first logic level in response to the input voltage being larger than a predetermined threshold, a control logic component configured to receive the first signal, process information associated with the first signal, and output a modulation signal related to a modulation frequency in response to the first signal being at the first logic level, and a driving component configured to receive the modulation signal and output a drive signal to open and close a first switch at the modulation frequency. |
| US11996763B2 |
Integrated circuit and power supply circuit
An integrated circuit configured to switch a transistor in a power supply circuit. The integrated circuit includes a first terminal to which a first resistor is coupled; a first detection circuit configured to detect whether a load of the power supply circuit is in an overload state; a second detection circuit configured to detect whether a current flowing through the transistor is overcurrent; an oscillator circuit configured to output an oscillator signal with a cycle corresponding to a first resistance value of the first resistor; and a driving signal output circuit configured to output a driving signal to turn on the transistor, based on the oscillator signal, and turn off the transistor, based on a feedback voltage corresponding to the output voltage. The driving signal output circuit further outputs the driving signal to turn off the transistor, in response to the current flowing through the transistor reaching overcurrent. |
| US11996762B2 |
Starting circuit, actuation circuit, and method for supplying a voltage to a controller
The invention relates to a voltage supply for a controller of a converter. In particular, a reliable and stable voltage supply for controlling the converter is facilitated, said voltage supply allowing a stable operation, wherein a changeover is allowed between a self-sufficient voltage supply by the inverter itself and a redundant voltage supply by means of an external source. |
| US11996760B2 |
Aircraft electric motor having a stator heat pipe cooling scheme
Aircraft electric motors are described. The aircraft electric motors include a motor unit having a rotor and a stator, wherein the stator includes a plurality of windings and cooling channels arranged to provide cooling to the plurality of windings, a drive unit configured to drive operation of the motor unit, and a cooling system. The cooling system includes an oscillating heat pipe containing a first working fluid, wherein the oscillating heat pipe is arranged to pick up heat from at least one winding, the oscillating heat pipe having an evaporator section arranged in thermal contact with the at least one winding and a condenser section arranged away from the evaporator section and a heat pickup portion arranged to receive a second working fluid to remove heat from the condenser section of the oscillating heat pipe. |
| US11996758B2 |
Generator coupling system
The present invention relates to a generator input shaft assembly comprising a generator input shaft (160) arranged to receive a drive input to the generator, and a disconnect input shaft (120) arranged to deliver a drive input from the generator input shaft to a disconnectable drive transfer means (116). The disconnectable drive transfer means is configured to transfer rotational drive from the generator input shaft assembly to a rotor (110) of the generator. The generator input shaft assembly is configured such that the generator input shaft can: float axially relative to the disconnect input shaft and/or drive the disconnect input shaft with an axis of rotation of the generator input shaft non-parallel to an axis of rotation of the disconnect input shaft, so as to compensate for a misaligned input to the generator input shaft. Other aspects of the invention relate to a generator and a system comprising the generator input shaft assembly. |
| US11996757B2 |
Lubricant supported external rotor architectures
A lubricant supported electric motor includes a stator and a rotor and a drive hub. The rotor is moveable relative to the stator and a gap is defined between the rotor and the stator. A lubricant is disposed within the gap to support the rotor relative to the stator and provide a bearing mechanism. The drive hub is coupled to the rotor such that rotation of the rotor causes rotation of the drive hub. The drive hub may be connected to the rotor via a coupler member that is torsionally stiff and axially and radially compliant. The stator may be fixed relative to a connection structure that extends radially within the stator. The connection member may support the drive hub for rotation. Lubricant is supplied via a passageway extending through the connection member into a chamber that includes the gap. |
| US11996754B2 |
Motor, fan, air conditioner, and manufacturing method of motor
A motor includes a rotor having a rotation shaft and a bearing mounted to the rotation shaft, a stator surrounding the rotor, a heat dissipation member provided on one side of the rotor in an axial direction of the rotation shaft, and a resin portion covering the stator and at least a part of the heat dissipation member. The heat dissipation member has a first concave portion surrounding the bearing from an outer side in a radial direction about the rotation shaft, and a second concave portion famed on an inner side of the first concave portion in the radial direction. |
| US11996745B2 |
Coil mounting device and coil mounting method
A coil mounting device includes a stator coil, a coil winding jig that has an outer diameter smaller than an inner diameter of the stator core and winds therearound a belt-shaped coil in an annular shape, a stator core fixing jig that fixes the stator core at a predetermined position and in a predetermined posture, and a coil expansion mechanism that expands the belt-shaped coil. The coil expansion mechanism includes a holder that holds the coil winding jig inside the stator core in a state where the inter-comb-teeth grooves are matched in phase with the slots, and a coil expander that expands the belt-shaped coil by pressing a portion nearer to a side end than the straight portions of the belt-shaped coil wound around the coil winding jig held by the holder so as to expand the portion, thereby inserting the straight portions into the slots. |
| US11996744B2 |
Vehicle motor stator structure
A stator structure of a vehicle motor includes a stator core assembly and a plurality of coil assemblies composed of flat wires. The stator core assembly includes an annular portion and a plurality of tooth portions. The tooth portions extend from the annular portion in a radial direction toward a center of the stator core assembly. Each coil assembly is configured around a corresponding tooth portion. Each coil assembly includes a first flat wire and a plurality of second flat wires that are electrically connected in parallel. The first flat wire is radially stacked and wound around the corresponding tooth portion. The second flat wires are arranged radially adjacent to the first flat wire and are electrically connected in series to the first flat wire. The second flat wires are alternately stacked and radially wound around the corresponding tooth portion. |
| US11996743B2 |
Rotor manufacturing method
The rotor manufacturing method includes the step of fixing a shaft to a rotor core by hydroforming. The shaft has a cylindrical shape in which an inside diameter of a first portion of the shaft to be placed on an inner peripheral surface of a shaft insertion hole is larger than an inside diameter of a second portion of the shaft located on one side in a rotation axis direction relative to the first portion. |
| US11996739B2 |
Curved magnets for a variable-flux memory motor
A multi-pole rotor of a variable-flux memory motor (VFMM) includes: a plurality of poles. Each pole includes: a curved soft magnet, wherein an outer periphery of the curved soft magnet is toward the rotational axis of the rotor; a first non-magnetic and non-conductive material disposed on the outer periphery of the curved soft magnet; and a second non-magnetic and non-conductive material disposed on an inner periphery of the curved soft magnet. |
| US11996737B2 |
Support structure for a generator of a wind turbine
A support structure for a stator of a generator, in particular of a wind turbine is provided, wherein the support structure includes a carrier element extending in an axial direction, wherein the carrier element includes a base section, a side section and a top section and wherein the base section of at least one carrier element of the plurality of carrier elements is connected to the base section of another one carrier element of the plurality of carrier elements. A plurality of circumferential connecting elements circumferentially protruding from the base section of one carrier element is connected to another plurality of connecting elements circumferentially protruding from the base section of another carrier element in order to provide a connection between the one and the other carrier element, a plurality of cooling pockets being formed between the connecting elements for cooling air to pass. |
| US11996736B2 |
Sensing device
An embodiment may provide a sensing device including a stator including a stator tooth and a rotor including a magnet, wherein the stator tooth includes a first stator tooth and a second stator tooth disposed inside the first stator tooth, the first stator tooth includes a plurality of first teeth, the second stator tooth includes a plurality of second teeth, the first tooth overlaps the second tooth in a radial direction from a center of the stator, the stator includes a stator holder and a stator body which is coupled to the stator holder and on which the first stator tooth and the second stator tooth are disposed, the stator body includes a protrusion, and the protrusion is in contact with a lower end of the first stator tooth or a lower end of the second stator tooth. |
| US11996734B2 |
Stator and rotary electric machine using same
A stator includes: a stator core including a plurality of stator teeth in a circumferential direction with respect to a center of rotation of a rotary electric machine; a stator coil disposed on a bottom portion side of each of a plurality of stator slots formed between the stator teeth; and a stator magnet disposed on an opening side of each of the plurality of stator slots and having the same polarity in a radial direction, and in each of the stator slots, the stator magnet is divided at a center in the circumferential direction of the stator slot. |
| US11996732B2 |
Fan motor
A stator core of a fan motor comprises: a back yoke body; and a plurality of teeth which are spaced apart from each other inside the back yoke body, wherein each of the plurality of teeth comprises: a neck coupled to the back yoke body; and a shoe protruding from the neck and facing the outer circumference of a rotor, and each of a plurality of insulators of the fan motor comprises: a neck insulator surrounding the neck; a first barrier protruding from the neck insulator in an axial direction; and a pair of second barriers protruding from the neck insulator towards the inner circumference of the back yoke body. |
| US11996731B2 |
Core, stator, and rotating electric device
A core used in an axial-gap rotating electric device includes an annular back yoke and a plurality of teeth protruding in an axial direction that is perpendicular to a first flat surface of the back yoke. The plurality of teeth are provided on the first flat surface at intervals in a circumferential direction. The back yoke and the teeth are constituted of an integrally-molded powder compact. A first curved section that connects a peripheral surface of each tooth and the first flat surface of the back yoke is provided at a corner between the tooth and the back yoke. The first curved section has a curvature radius ranging between 0.2 mm and 1.5 mm inclusive. |
| US11996727B2 |
Online measurement of anode potential for the maximization of charging power at low temperatures
A battery system includes a non-reference battery cell; a reference battery cell including a cathode, an anode, and a reference electrode; a potential measuring means configured to measure a reference potential of the anode relative to the reference electrode, of the reference battery cell, and to generate a signal corresponding to the reference potential; and a controlling means configured to receive the signal and to reduce, during a charging process of the battery system, a charging current applied to the battery system when the signal indicates that the reference potential is below a predetermined threshold voltage. The non-reference battery cell may be disposed at a first position in the battery system, and the reference battery cell may be disposed at a second position in the battery system, the second position being a position that has a lowest temperature, among the first and second positions, during the charging process. |
| US11996721B2 |
Modular wireless appliance charging system
A modular wireless appliance charging system includes a primary charging platform having a plurality of adapter slots disposed on its upper side. An adapter is configured to be removably secured within each adapter slot. Each adapter includes a receiver configured to removably secure an appliance to the adapter via a charging port of the appliance. A power supply is operably connected to a charging mechanism which is configured to charge the battery of the appliance that is secured to the receiver of an adapter that is secured within one of the adapter slots. An auxiliary platform having similar components can be connected to the primary platform to expand the system's charging capacity. The adapters can include many configurations for different types of appliances. In this way, the user can customize their charging system to include a specific type, number, and order of adapters for organizing and charging their battery-powered appliances. |
| US11996719B2 |
Modular storage unit with charger for power tool battery packs
Embodiments described herein provide a modular storage for power tool devices including a charging compartment for power tool battery packs. The modular storage includes a housing, a storage compartment in the housing, and a charger compartment in the housing including a battery pack interface configured to receive a power tool battery pack. The modular storage also includes an AC input receiving universal AC power and an active power factor correction (PFC) converter receiving AC power from the AC input and configured to convert the AC power to a high-voltage DC output. The modular storage further includes a DC-DC converter electrically connected between the active PFC converter and the battery pack interface, the DC-DC converter including an active clamp flyback converter. |
| US11996717B2 |
Ferrite cold plate for electric vehicle wireless charging
A wireless charging pad includes a rectifier, a receiver coil, a heat spreader plate sandwich between the rectifier and the receiver coil, and a ferrite cold plate sandwiched between the receiver coil and the heat spreader plate. The ferrite cold plate has a fluid inlet, a fluid outlet, and a fluid chamber in fluid communication with the fluid inlet and the fluid outlet. The fluid chamber includes a primary cooling chamber and a secondary cooling chamber. Primary cooling fins extending from the heat spreader plate are disposed in the primary cooling chamber and secondary cooling fins extending from a base of the ferrite cooling plate are disposed in the secondary cooling chamber. The ferrite cooling plate cools the rectifier and inhibits or blocks electromagnetic leakage from the receiver coil from interfering with operation of rectifier. |
| US11996714B2 |
Battery charger
A battery charger includes a battery power regulator configured to set a charge signal provided to a battery based on a charge control signal and charge enable signal. The battery charger also includes a controller configured to provide the charge control signal to the battery power regulator. The controller is also configured to temporarily de-assert the charge enable signal for a predetermined amount of time in response to determining that a change is needed in the charge control signal. The controller is further configured to re-assert the charge enable signal after the predetermined amount of time. |
| US11996713B2 |
Charging apparatus and receptacle control method
A charging apparatus includes: a receptacle including terminals; a power supply configured to supply a voltage or a current to a first terminal; a first voltage detector configured to detect a voltage of the first terminal; a second voltage detector configured to detect a voltage of a second terminal at one place, two places or three places away from the first terminal; and a processor. The processor is configured to determine whether the voltage of the second terminal is equal to or higher than a second threshold value during a period in which the voltage of the first terminal is equal to or higher than a first threshold value, and stop supply of the voltage or the current from the power supply to the first terminal in a case in which the voltage of the second terminal is equal to or higher than the second threshold value. |
| US11996710B2 |
Control system for discharging the cells of a fuel-cell stack
A control system is intended to be tailored to a fuel-cell stack. This fuel-cell stack includes a plurality of cells connected in series between a first terminal and a second terminal. This system includes a central control unit and an electronic bypass device including a plurality of separate electrical bypass units, each electrical bypass unit being connected in parallel to at least one separate cell of the fuel-cell stack, in order to control its discharge on startup and shutdown of the stack and thus to avoid the creation of inverse electrical potentials and to limit the presence of residual potentials. |
| US11996705B2 |
Wireless power transmitter
A wireless power transmitter according to one embodiment of the present disclosure comprises a primary coil forming magnetic coupling with a secondary coil provided in a wireless power receiver and transmitting wireless power to the wireless power receiver, wherein the primary coil is formed by spirally winding a plurality of subcoils connected electrically in parallel while keeping the subcoils in contact with each other, and the subcoil is litz wire consisting of several conducting wires packed in a bundle. |
| US11996703B2 |
Wireless device
A wireless device includes a power transmission coil configured to transmit power wirelessly, a power reception coil configured to receive the power wirelessly, a switch circuit configured to apply a voltage to the power transmission coil based on a first switching signal, and a rectification circuit configured to rectify a voltage output from the power reception coil based on a second switching signal and apply the rectified voltage to a load, wherein the switch circuit and the rectification circuit each include a plurality of bidirectional switches. |
| US11996700B2 |
Wireless charging control method, circuit and terminal device
A wireless charging control method applied to a wireless charging control circuit in a terminal device, and the wireless charging control circuit includes a wireless charging receiving coil, the wireless charging receiving coil has at least two operating states, and inductance values of the wireless charging receiving coil in the operating states are different from each other. The method includes: obtaining an induced voltage of the wireless charging receiving coil; and controlling, based on the induced voltage, the wireless charging receiving coil to operate in a corresponding operating state. |
| US11996697B2 |
Autonomous vehicle support using hybrid-powered embedded sensors
A hybrid-powered sensing device is disclosed that includes a power source coupled to a sensing module via an RF-triggered load switching module. |
| US11996696B2 |
Power supporting arrangement for a power grid
A power supporting arrangement for a power grid includes a first and a second voltage source converter with an AC side and a DC side. A DC link interconnects the DC sides of the voltage source converters. A first switching arrangement includes a number of settable positions. The AC side of the second voltage source converter is connected to the power grid and the first switching arrangement is connected between a first synchronous machine. The AC side of the first voltage source converter and the power grid and operable to selectively connect the first synchronous machine to the power grid or to the AC side of the first voltage source converter. |
| US11996692B2 |
Prioritized power delivery for facilitating transport climate control
Technologies are described herein to prioritize delivery of power to electrical components associated with a vehicle and an electrically powered accessory. A power distribution unit may assess real-time power needs for the electrical storage system associated with the vehicle and electrical storage device of the electrically powered accessory and direct incoming power to the electrical storage system associated with the vehicle and the electrical storage device of the electrically powered accessory based on a prioritization of various factors. |
| US11996686B2 |
Clock sync input dropout protection
In a described example, a circuit includes a synchronization control circuit having a sync input and a sync control output, in which the sync input is coupled to a sync terminal configured to receive an external clock signal. An internal clock generator circuit has a control input and an output. The control input is coupled to the sync control output. An output circuit has first and second signal inputs, a mode control input and a clock output. The first signal input is coupled to the sync input, and the second signal input of the output circuit is coupled to the output of the internal clock generator circuit. The mode control input is coupled to the sync control output, and the clock output adapted to be coupled to a controller. |
| US11996685B1 |
Junction box with side drill zones
A junction box includes an enclosable housing with sidewalls and a bottom with a bottom interior surface and a bottom exterior surface opposing the bottom interior surface. The housing is configured to mount to a roof of a structure and the roof includes a slope. The junction box includes an indicia on a sidewall of the housing. The indicia indicates a side area suitable for creating a hole to permit a connector to be attached to the housing. The junction box includes a flashing attached to the housing and extending horizontally from the housing in a direction planar to the bottom. |
| US11996684B1 |
Junction box with integral flashing
A junction box includes an enclosable housing that includes a bottom with a bottom interior surface and a bottom exterior surface. The housing is configured to mount to a roof of a structure with a slope. The junction box includes a central area of the bottom configured for penetrations into the roof. The junction box includes a flashing integral to the bottom of the housing and extending away from the bottom in a direction away from the housing. |
| US11996682B2 |
Heat shrink component and method of assembling a heat shrink component
A heat shrink component includes a heat shrink layer and a heating unit in thermal contact with at least a part of the heat shrink layer and heating the heat shrink layer to a heat shrink temperature. The heating unit includes an electrically conductive lead formed of copper and/or aluminum and having an electrical conductivity of more than 3·107 S/m. The heat shrink component has a first dimension in an expanded state and a second dimension in a shrunk state after heating. The first dimension is larger than the second dimension. |
| US11996681B2 |
Method of manufacturing a termination band
The present disclosure provides a termination band and a method of manufacturing the termination band, which includes a strap and a head. When secured, the head comprises an upper wall, lower wall and opposed side walls formed as a loop with the strap extending therefrom. The termination band is therefore formed as a two-piece component, rather than a single piece as in the prior art. Advantageously this enables the strap and the head to be formed from stainless steel strip having the same width as the head and the strap. It is therefore not necessary to trim the material of either part, hence there is significantly reduced material wastage when forming the termination band. In addition, because the strap and head are both initially in the form of straight-sided elongate strips prior to the folding or joining operations, both parts may be easily edge finished and/or surface finished. |
| US11996680B1 |
Antimicrobial switch panel system and method
An antimicrobial switch panel (ASP) system/method allowing for retrofit of existing switch panels with protective antimicrobial covers for toggle switch levers is disclosed. The disclosed system incorporates a toggle switch cover (TSC) formed from a plastic molded extrusion (PME) that is impregnated with an antimicrobial compound (AMC). The PME includes an outer tactile surface (OTS) and an inner capture recess (ICR). The ICR is configured to conform to the outer surface of a toggle switch (TSW) toggle switch lever (TSL) and includes one or surfaces more configured with protrusions and/or indentations that affect mechanical coupling between the TSL and the PME when the ICR is mated with the TSL. The OTS may be configured with a variety of tactile configurations that identify the function of the TSW and/or include a PME colorant that identifies the function of the TSW and/or provide for photoluminescent operation of the PME. |
| US11996679B2 |
Support box, electrical connection enclosure comprising such a support box and method for assembling such an electrical enclosure
A support box (60) for supporting functional elements within the frame (28) of an electrical connection enclosure comprises at least one pair (70) of rails (72) for guiding a monitoring/control plug-in unit forming a functional element in translation, a parallelepipedal framework (62) and members for fastening the framework to the frame. The framework comprises two horizontal plates, a vertical back that is perpendicular to the horizontal plates, and two vertical walls, each supporting a rail of each pair of rails. The members for fastening the framework to the frame comprise fastening lugs that are elastically deformable and integral with the horizontal plates and elastically deformable load absorbing lugs that are integral with the vertical walls. The support box comprises at least one centring pin, vertically centring the box with respect to a post (32) of the frame, each centring pin being arranged in a positioning hole of a fastening lug. |
| US11996676B2 |
Pulsed resonant laser diode array driver
A pulsed laser diode array driver includes an inductor having a first terminal configured to receive a source voltage, a source capacitor coupled between the first terminal of the inductor and ground, a bypass capacitor connected between a second terminal of the inductor and ground, a bypass switch connected between the second terminal of the inductor and ground, a laser diode array with one or more rows of laser diodes, and one or more laser diode switches, each being connected between a respective row node of the laser diode array and ground. The laser diode switches and the bypass switch are configured to control a current flow through the inductor to produce respective high-current pulses through each row of the laser diode array, each of the high-current pulses corresponding to a peak current of a resonant waveform developed at that row of the laser diode array. |
| US11996674B2 |
Driver circuit for laser diodes and circuit arrangement with such a driver circuit and laser diodes
A driver circuit for laser diodes is provided with first and second terminals for the laser diodes. The driver circuit also includes capacitors, each being assigned to a laser diode, and at least one input for connection to a charging means. Further included is at least one input for a control signal and at least one first switch means. Each capacitor is connected to the input for connection to the charging means, and a first terminal of each capacitor is connected to the first terminal for the laser diode. The second terminal for the laser diode is connected to a first terminal of the at least one first switch means, and a second terminal of each capacitor is connected to ground. A second terminal of the at least one first switch means is connected to ground and wherein the at least one input for a control signal is connected to a control terminal of the at least one first switch means. |
| US11996673B2 |
Drive device and light emitting device
A drive device according to the present disclosure includes a drive circuit (10) and a detection circuit (20). The drive circuit (10) drives a plurality of channels on an individual basis. The plurality of channels includes a plurality of light emitting elements (5). The detection circuit (20) collectively detects abnormalities of all the channels. Further, the drive device (10) is electrically and mechanically connected, with a plurality of microbumps (4), to a light emitting element array that includes the plurality of light emitting elements (5). |
| US11996667B2 |
Demating system for separating an electrical connector assembly
A demating device configured to demate an electrical connector assembly having a first connector and a second connector is provided. The demating device may include a first separating member, a second separating member, and a gripping assembly. Actuation of the first separating member and the second separating member towards one another drives the jaws of the gripping assembly together, therein allowing secure gripping of the electrical connector assembly via the demating device for separation of the first and second connectors. |
| US11996665B2 |
Electrical connector bolt retainer
A wedge assembly may include a recess, a first tab, a second tab, and/or a retainer. The recess may be configured to receive a main conductor or a tap conductor when the wedge assembly is installed in an electrical connector. The first tab may be configured to be received by a cavity defined in a bottom portion of a body member of the electrical connector. The first tab and the second tab may define respective apertures therethrough that are configured to receive a bolt of the electrical connector. The bolt may be configured to drive the wedge assembly into the electrical connector such that the main conductor and the tap conductor are electrically connected. The retainer may be configured to releasably secure the bolt within the wedge assembly. The retainer may be configured to be removed to enable removal of the bolt from the wedge assembly. |
| US11996655B2 |
Multipolar connector and multipolar connector set
A multipolar connector includes a first signal terminal, a first ground terminal, an insulating member that holds the first signal and ground terminals, and an external terminal along a periphery of the insulating member. The first signal and ground terminals are arranged side by side in a direction parallel to an X-axis, extend in a direction parallel to a Y-axis orthogonal to the X-axis, and each have a first end serving as a mount portion that connects to and mounts on a mount electrode on a circuit board. When viewed in a direction parallel to a Z-axis orthogonal to the directions parallel to the X and Y axes, a mount portion of the first signal terminal is within a layout area of the external terminal. When viewed in the direction parallel to the Z-axis, a mount portion of the first ground terminal is outward from the mount portion. |
| US11996653B2 |
Contact arrangement and device with a base plate and a contact arrangement arranged thereon
A contact arrangement with a flat contact element with an upper side and an underside, the thickness of which decreases toward three of its edges from the upper side to the underside, and with a connecting element, which is electrically and mechanically connected to the contact element and is further away from the underside of the contact element than from its upper side. Also disclosed is a device with a base plate and a contact arrangement arranged thereon and a conductor track, which is formed on the contact element and a region of the base plate. |
| US11996649B1 |
Recessed D-subminiature connector assembly with flush mount cover
A recessed D-subminiature connector assembly, and device with D-subminiature connector assembly, with flush mount cover connector is disclosed. The D-subminiature connector assembly may include a flush panel mount solution when using a D-Sub connector that allows the dust cover or cap to be in the same plane as the external side of the panel it is mounted to. The D-subminiature connector assembly also includes a panel-side interface flange sized to receive the second side of the D-shaped connector so a surface of the second side of the D-Shaped connector is parallel to, and recessed from, a plane of the panel-side interface flange and thus recessed from an opening of a panel of a device to which the connector assembly is mounted. |
| US11996645B2 |
Separable high density connectors for implantable device
The present disclosure relates to implantable neuromodulation devices and methods of fabrication, and in particular to a separable high density connectors for implantable neuromodulation devices. Particularly, aspects of the present disclosure are directed to a medical device comprising an electronics module and a header for connecting the electronics module to a lead assembly. The header includes: a housing that includes (i) a cavity having a central axis or plane and an internal surface, and (ii) an opening aligned with the central axis or plane of the cavity, an array of retractable contacts extending from the internal surface towards the central axis or plane of the cavity, and an array of connection terminals on the housing, where each connection terminal of the array of connection terminals is: (i) electrically connected to the electronics module, and (ii) electrically connectable to a retractable contact of the array of retractable contacts. |
| US11996644B2 |
Terminal
A female terminal includes a terminal body and a slider displaced relative to the terminal body. The terminal body includes a connecting tab deformable in a pressing direction crossing an inserting direction in which an electric wire is inserted and contactable with the electric wire. The slider is slidable between separated and overlapping positions. The slider includes a narrow portion that protrudes inward and has a less inner dimension in the pressing direction, and a wide portion in front of the narrow portion with respect to the inserting direction and has a greater inner dimension in the pressing direction than the narrow portion. The connecting tab contacts the electric wire when the narrow portion overlaps the connecting tab at the overlapping position. The slider includes a sloped guide surface that is angled at in front of the wide portion to spread further than the wide portion toward the front. |
| US11996638B2 |
Antenna system
An antenna system comprising: a ground plane; an antenna radiator separated from and overlapping the ground plane; at least one feed element configured to provide a radio-frequency feed for the antenna radiator; and at least one resonator coupled to the feed element and positioned in a space between the ground plane and the antenna radiator, wherein the antenna radiator is a broadband antenna radiator having a first operational range of frequencies and the resonator is a narrow band resonator having a second range of resonant frequencies that at least partially lie within the first operational range of frequencies. |
| US11996637B2 |
Antenna unit, preparation method thereof, and electronic device
Provided is an antenna unit, including a first substrate and a second substrate that are oppositely disposed, a liquid crystal layer located between the first substrate and the second substrate, and a third substrate located on a side of the second substrate away from the liquid crystal layer. The first substrate includes a first base substrate and a radiation unit layer. The second substrate includes a second base substrate and a ground layer. The radiation unit layer and the ground layer face the liquid crystal layer. The third substrate includes a third base substrate and a feed structure layer, wherein the feed structure layer is located on a side of the third base substrate away from the second substrate. |
| US11996631B2 |
Antenna system mounted in vehicle
An antenna system mounted in a vehicle according to the present invention comprises: a metal plate that forms a part of the exterior of the antenna system and operates as a radiator; a lower substrate disposed on the lower portion of the metal plate; and a first antenna comprising a feeding part disposed on the front surface of the lower substrate and configured to transmit a signal to the metal plate through a metal supporter, and a shorting pin configured to connect the ground of the lower substrate and the metal plate. In addition, the system comprises a second antenna that is disposed in the antenna system and is separately provided from the first antenna. |
| US11996630B2 |
Antenna structure
An antenna structure includes a ground element, a first radiation element, a second radiation element, a third radiation element, and a nonconductive support element. The first radiation element is coupled to a first grounding point on the ground element. The second radiation element has a feeding point. The second radiation element is adjacent to the first radiation element. The third radiation element is coupled to a second grounding point on the ground element. The third radiation element is adjacent to the second radiation element. The first radiation element, the second radiation element, and the third radiation element are disposed on the nonconductive support element. The second radiation element is at least partially surrounded by the first radiation element. The third radiation element is at least partially surrounded by the second radiation element. |
| US11996628B2 |
Phased array antenna device
A phased array antenna device comprises antenna elements positioned within a corresponding unit cell. The unit cells are arranged non-overlappingly next to each other. A feeding network transmits antenna signals between a common control unit and the respective antenna element. The feeding network comprises a plurality of antenna element transmission line segments, each running into an antenna element, and a plurality of phase shifting devices. Several feeding transmission line segments, each comprising more than two transition structures are provided. Each transition structure couples a signal into a corresponding antenna element transmission line segment. The transition structure for an antenna element transmission line segment that runs into a unit cell is positioned in the direction of the feeding transmission line segment passing by or traversing this unit cell at a phase shifting distance that is larger than an extension of the unit cell measured in this direction. |
| US11996626B2 |
Field-assembled modular phased array SATCOM terminal
A field-assembled satellite communications terminal has a plurality of discrete, modular aperture blocks. Each aperture block contains an electrically steered antenna aperture, and a plurality of interconnection ports for power and data communications between the plurality of aperture blocks. The plurality of interconnection ports are removably connectable by the end user in the field. The terminal further has a signal processing system for receiving, processing, and generating signals to and from the apertures. The aperture blocks are connected to each other in the field and self-configure to form an electrically-steered antenna. |
| US11996624B2 |
Antenna system and radio relay apparatus
In a drone-type radio relay apparatus, it is provided of an antenna system capable of suppressing an inclination of an antenna due to a strong wind during a stationary flight (hovering). The antenna system is provided with a long-shaped antenna 110 connected to a relay station via a cable, and an antenna guide mechanism that is fixed to a body of a drone and guides the antenna so as to be movable in an up-down direction of a basic attitude of the drone. |
| US11996620B2 |
Antenna device
An antenna device includes an insulating carrier and a first primary antenna having a first feeding-in section, a first auxiliary antenna having a second feeding-in section and a second grounding section, a second primary antenna having a third feeding-in section, a second auxiliary antenna having a fourth feeding-in section and a grounding face which are provided on a face of the carrier. The first primary and auxiliary antennas and the second primary and auxiliary antennas are positioned at two side edges of the carrier which are away from each other. The grounding face is positioned between both the first primary and auxiliary antennas and the second primary and auxiliary antennas. The grounding face is provided with a first grounding section adjacent to the first feeding-in section, a third grounding section adjacent to third feeding-in section and a fourth grounding section adjacent to the fourth feeding-in section. |
| US11996618B2 |
Enhanced directivity feed and feed array
Disclosed is a shaped horn in conjunction with a dielectric tube for enhanced aperture directivity that can achieve a near optimum efficiency. The shaped horn provides additional mode control to provide an improved off-axis cross-polarization response. The horn shape can be individually optimized for isolated horns or for horns in a feed array. The feed array environment can produce results that lead to a different optimized shape than the isolated horn. Lower off axis cross-polarization can result in improved efficiency and susceptibility to interference. |
| US11996616B2 |
Antenna and communications device
An antenna for wireless communications includes a horizontal polarization antenna and a vertical polarization antenna that are disposed in a stacked manner. The horizontal polarization antenna includes a radiation element and a double-sided parallel strip line. One end of the double-sided parallel strip line is connected to the radiation element. A length range of the double-sided parallel strip line is 0.58 to 1.35 times a waveguide wavelength of an electromagnetic wave in the double-sided parallel strip line at an operating frequency of the vertical polarization antenna. |
| US11996614B2 |
Apparatus and method for improving specific absorption rate (SAR) using metallic sheets as reflectors
Disclosed herein includes a wireless electronic device, including an outer casing, an antenna, and a metallic sheet. The outer casing may be electrically non-conductive. The antenna may be disposed within the outer casing and configured to perform wireless communication of signals at an operating wavelength of λ unit length. The metallic sheet may be disposed on a portion of the outer casing and placed at a distance of at least λ/25 unit length apart from the antenna. The metallic sheet may be configured to shield a subject exposed to energy radiated by the antenna to limit the specific absorption rate (SAR) of the subject to less than 1.6 W/kg. |
| US11996613B2 |
Glazing unit with frequency selective coating and method
A glazing unit containing a glass panel which is low in reflectance for RF radiation, and a coating system which is high in reflectance for RF radiation disposed on the glass panel. The glazing unit also contains a frequencies selective decoated portion of the coating system extending along a plane, P, defined by a longitudinal axis, X, and a vertical axis, Z, and having a width, DW, measured along the longitudinal axis, X, and a length, DL, measured along the vertical axis, Z, creating onto the glazing unit a bandpass filter. The frequencies selective decoated portion contains a decoated element allowing determined frequencies to pass thought the glazing unit. |
| US11996612B2 |
Microstrip line filtering radiation oscillator, filtering radiation unit, and antenna
A microstrip line filtering radiation oscillator, a filtering radiation unit, and an antenna, the oscillator includes a substrate. A plurality of first metal sheets parallel to each other are arranged at intervals on a front surface of the substrate, a plurality of second metal sheets parallel to each other are arranged at intervals on a back surface of the substrate, and the first and second metal sheets are correspondingly staggered and coupled by a coupling part running through the substrate. The microstrip line filtering radiation oscillator has functions of signal radiation and interference suppression. The filtering radiation unit includes at least one oscillator and can be used in conjunction with a high-frequency radiation unit, to radiate high-frequency and low-frequency signals simultaneously. The antenna includes at least one filtering radiation unit, and can transmit low-frequency and high-frequency signals simultaneously, thereby effectively improving the integration and reducing the volume of the antenna. |
| US11996611B2 |
Connector assembly and method of using same for connecting cylindrical halves of a cylindrical radome
A radome constructed from a plurality of interconnectable segments and a novel connector assembly for use in connecting together the radome segments. |
| US11996606B2 |
Heterogeneous antenna in fan-out package
A method includes bonding an antenna substrate to a redistribution structure. The antenna substrate has a first part of a first antenna, and the redistribution structure has a second part of the first antenna. The method further includes encapsulating the antenna substrate in an encapsulant, and bonding a package component to the redistribution structure. The redistribution structure includes a third part of a second antenna, and the package component includes a fourth part of the second antenna. |
| US11996605B2 |
Antenna device and vehicle
This antenna device comprises an antenna element disposed in a recess 2 on the exterior of a moving body, and a non-feeding element of which the center is disposed at a position higher than the horizontal plane in which the center of the antenna element is positioned in the recess. In the antenna device, furthermore, the moving body is a vehicle, and the recess may be provided in a roof 1 of the vehicle. |
| US11996604B2 |
Mounting brackets and systems
A mounting assembly for cellular communication components includes a support mast and a mast bracket with w-shaped geometry. The mast bracket includes a central body defining a groove to receive the support mast. The mast bracket also includes a first support tab extending from the central body opposite the groove in a first direction. The first support tab defines a first slot. A second support tab extends from the central body opposite the groove in the first direction with the second support tab substantially parallel to the first support tab and defining a second slot. A device bracket is coupled to the mast bracket and comprises an elongated body to receive cellular equipment. A third support tab extends from the elongated body opposite the mating surface and defines a fifth slot. A fastener extends through the first slot, the second slot, and the fifth slot. |
| US11996600B2 |
Hollow metal waveguides having irregular hexagonal cross sections with specified interior angles
Antenna arrays and structures for propagating electromagnetic signals. A waveguide cross-section is disclosed that may be implemented as a hollow irregular hexagonal metal structure that receives an electromagnetic signal and propagates the electromagnetic signal through the hollow hexagonal metal structure. The waveguide may be fabricated using metal additive manufacturing techniques and include one or more downward facing and unsupported surfaces. |
| US11996598B2 |
Electronic device and method for reducing power consumption of signal transmission in electronic device
An electronic device and a method for reducing power consumption of signal transmission in the electronic device are provided. The electronic device may include a source circuit, a destination circuit, at least one transmission wire and at least one resonance wire, wherein the at least one transmission wire is coupled between at least one output terminal of the source circuit and at least one input terminal of the destination circuit, and the at least one resonance wire is coupled to the at least one input terminal of the destination circuit and is routed along the at least one transmission wire. In specific, the source circuit is configured to output an oscillation signal having an oscillation frequency, the destination circuit is configured to receive the oscillation signal, wherein the at least one transmission wire is configured to transmit the oscillation signal from the source circuit to the destination circuit. |
| US11996596B2 |
Power generation device, power generation method, and concentration measurement method
A power generation device, comprising a fuel, an anode and a cathode, the anode comprising an enzyme that promotes oxidation of the fuel, and the power generation device containing more water when generating power than when not generating power. |
| US11996593B1 |
Integrated electrochemical nuclear decontamination system
An electrochemical cell that oxidizes a solution provides a continuous and stable supply of an oxidizing ion solution to a fixture or vessel used for the purposes of decontaminating metal and metal alloys. The electrochemical cell includes an anode compartment that oxidizes the solution in nitric acid or methane sulfonic acid at a rate equal to or greater than a rate of reduction, or generates the oxidizing ions prior to use in a batch. The electrochemical cell is part of a larger system that facilitates online measurement system which measures the oxidizing ion solution and the dissolved PuO2, UO2, AmO2, other radionuclides, or other contaminates in real-time. Solution decontamination system removes the dissolved PuO2/UO2/AmO2, other radionuclides, or other contaminates from the oxidizing ion solution, real time acoustic monitoring of the thickness of the surface being contaminated, and automation of a delivery system facilitates flow between surface and electrochemical cell. |
| US11996591B2 |
Attachment structure for deformation absorption member and attachment method
An attachment structure for a deformation absorption member of a fuel-cell-stack includes a first raised piece raised from one surface of a base material in a grid pattern, and having an extension portion extending from a proximal end, the extension portion abutting at least one of the cathode side separator or the anode side separator, a second raised piece having a proximal end, and a joint portion formed by partially joining a location between the proximal end of the first raised piece and the proximal end of the second raised piece, proximal end of the first raised piece being adjacent the proximal end of the second raised piece in a second direction that intersects a first direction taken from the proximal end of the first raised piece to an extension portion side, to the at least one of the anode side separator and the cathode side separator. |
| US11996589B2 |
Fuel cell
A fuel cell includes: a cell structure body including a cathode, an anode, and a solid electrolyte layer interposed between the cathode and the anode; and a current collector in contact with the cathode, wherein an oxidant is supplied to the cathode through the current collector, the current collector includes a porous body made of a metal material, and a chromium adsorbent carried inside pores of the porous body, the metal material includes a first metal and a second metal, the first metal includes nickel, and the second metal includes at least one selected from the group made of tin, aluminum, cobalt, titanium, manganese, tungsten, copper, silver, and gold. |
| US11996583B2 |
Separator for electrochemical cell
An electrochemical cell having one or more electrodes with TMCCC materials introduces improved performance by including a special separator having ceramics and/or a discrete multilayer construction. TMCCC materials with no surface modifications, and existing electrolytes with no composition modifications are combined with a different grade of separator to improve cell performance. |
| US11996582B2 |
Separators for VRLA batteries and methods relating thereto
Improved battery separators, batteries, and systems, as well as methods relating thereto are disclosed herein for use in various lead acid batteries such as valve-regulated lead acid (VRLA) batteries that include one or more AGM layers. The improved battery separators described herein may provide a battery system with an advantage of a significantly decreased acid filling time and a significantly increased acid filling speed. Various improved batteries, methods and systems are described herein using such improved battery separators that increase acid filling speed and decrease acid filling time for a VRLA battery. |
| US11996580B2 |
Battery, power consumption device, and method and device for producing battery
A battery, a power consumption device, and a method and device for producing a battery are provided. The battery includes: a battery cell including a pressure relief mechanism configured to be actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; and a fire-fighting pipeline configured to accommodate a fire-fighting medium and discharge the fire-fighting medium when the pressure relief mechanism is actuated; where the fire-fighting pipeline is covered with an isolation layer, and the isolation layer is configured to block the contact of gases and the fire-fighting pipeline so as not to generate condensate. In a battery provided by the present application the fire-fighting pipeline is covered with an isolation layer, and the isolation layer may be configured to reduce the influence of the condensate on the battery and improving the safety of the battery. |
| US11996575B2 |
Energy storage apparatus
In an embodiment, a plurality of energy storage devices arranged in a first direction, an adjacent member sandwiched between the energy storage devices, a holding member that holds the energy storage devices and the adjacent member, an insulating member sandwiched between the energy storage devices and the holding member, a bus bar, and a bus bar holding member that holds the bus bar and is arranged along the plurality of energy storage devices are provided, in which the bus bar holding member has an elastic deformation portion, and the elastic deformation portion abuts on one of the adjacent member and the insulating member, and presses the bus bar holding member against the other of the adjacent member and the insulating member. |
| US11996574B2 |
Battery sub-packing unit
A battery sub-packing unit includes at least one battery cell; and a case accommodating the at least one battery cell, wherein the case comprises an end panel on which an electrode tab of the at least one battery cell is fastened to extend into an external space, and having a lower end portion in which a sub-vent hole is formed for communication between the external space and an internal space in which the at least one battery cell is disposed. |
| US11996571B2 |
Battery pack including upper frame having obliquely opened hinge fastened to side frame, and device including the same
A battery pack includes: a battery module formed by stacking battery cells; an upper frame positioned on an upper surface of the battery module; a first side frame positioned on a first side surface of the battery module; and a second side frame positioned on a second side surface of the battery module facing the first side frame. The upper frame includes one or more first hinge parts positioned at one end of the upper frame. The first side frame includes one or more first poles positioned at an upper edge of the first side frame and fastened to the first hinge part. A first opening into which the first pole is inserted is formed in the first hinge part, and the first opening is formed obliquely so as to face between a direction perpendicular to the upper frame and a direction parallel to the upper frame. |
| US11996567B2 |
Battery module
A battery module includes a plurality of secondary battery cells, a housing member accommodating a plurality of the secondary battery cells therein, and an insulating member disposed on an inner surface of the housing member, preventing flow of electrical current to the housing member, having a heat transfer function to discharge heat of the secondary battery cell externally, and formed to have a predetermined thickness. |
| US11996565B2 |
Dual-spiral channel flow in electrochemical devices
Electrode plates with feed and product channels are provided that present more spatially uniform chemical and electrochemical compositions to catalytically active electrode structures and ion-conducting electrolyte membrane layers to improve the performance and increase the longevity of the electrochemical devices (e.g., membrane reactors, gas-separation cells, electrochemical compressors, fuel cells, and electrolyzers). Each plate can have a single channel that extends between an inlet and an outlet, and each channel can have a first segment that spirals inwardly from the inlet to a midpoint and a second segment that spirals outwardly from the midpoint to the outlet. The segments are interleaved with each other such that there are alternating flows of less-depleted feed or product and more-depleted feed or product. Consequently, chemical, electrochemical, and thermal behaviors are more uniformly distributed across the membrane-electrode assembly to increase performance and longevity of the assembly. |
| US11996564B2 |
Nano-engineered coatings for anode active materials, cathode active materials, and solid-state electrolytes and methods of making batteries containing nano-engineered coatings
The present disclosure relates to a nano-engineered coating for cathode active materials, anode active materials, and solid state electrolyte materials for reducing corrosion and enhancing cycle life of a battery, and various process for applying the disclosed coating. |
| US11996562B2 |
Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode, electrode for non-aqueous secondary battery, and non-aqueous secondary battery
Provided is a binder composition for a non-aqueous secondary battery electrode that can inhibit electrode swelling associated with repeated charging and discharging while also causing a secondary battery to display excellent cycle characteristics. The binder composition contains a graft copolymer having a structure in which a branch polymer is bonded to a backbone polymer. The backbone polymer includes a hydroxyl group-containing vinyl monomer unit in a proportion of not less than 5 mass % and not more than 89 mass % and has a weight-average molecular weight of not less than 1.0×106 and not more than 2.0×107. The branch polymer includes a water-soluble monomer unit that is formed from a water-soluble monomer having a solubility of not less than 0.01 g/100 g-H2O and not more than 25 g/100 g-H2O at a temperature of 20° C. |
| US11996559B2 |
Lithium complex oxide
A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2≤20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2θ) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2, [Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9≤a≤1.3, 0.6≤x≤1.0, 0.0≤y≤=0.4, 0.0≤z≤0.4, and 0.0≤1-x-y-z≤0.4, −0.025≤FWHM(104)−{0.04+(xfirst particle−0.6)×0.25}≤0.025, [Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)−0.1×mass ratio of second particles)/mass ratio of first particles}−FWHMSi powder (220). [Formula 2] |
| US11996558B2 |
Ternary positive material of large monocrystal-like particles, method for preparing the same, and lithium-ion battery having the same
A method for preparing ternary positive material in a lithium battery includes mixing nickel salt, cobalt salt, and manganese salt to form a mixed solution. A precipitant and a complexing agent are added into the mixed solution, thereby adjusting a pH value to a range of 10.5 to 12 and obtaining a precursor A. The precursor A and lithium salt are ground by a ball mill to obtain a precursor B, precursor B then being sintered in an air or oxygen atmosphere. The sintering includes heating at a first heating speed of 5 to 15° C./min to a first temperature of 400 to 800° C. and being held at such temperature for 1 to 6 h, and heating at a second heating speed of 1 to 10° C./min to a second temperature of 900 to 980° C. and being held there for 8 to 10 h. |
| US11996557B2 |
Direct regeneration of lithium ion cathodes by ionothermal relithiation
A method for relithiating cathode material from spent lithium-based batteries, the method comprising: (i) mixing delithiated cathode material and a lithium salt with an ionic liquid in which the lithium salt is at least partially soluble to form an initial mixture; (ii) heating the initial mixture to a temperature of 100° C. to 300° C. to result in relithiation of the delithiated cathode material; and (iii) separating the ionic liquid from the relithiated cathode material; wherein, in embodiments, the cathode material is a lithium metal oxide, wherein the metal is selected from the group consisting of Ni, Co, Fe, Mn, Al, Zr, Ti, Nb, and combinations thereof, or wherein the cathode material has the formula LiNixMnyCozO2, wherein x>0, y>0, z>0, and x+y+z=1; wherein, in some embodiments, the ionic liquid has a nitrogen-containing cationic portion, such as an imidazolium ionic liquid. |
| US11996551B2 |
Method for the fabrication of an electroless-metal-plated sulfur nanocomposite, an electroless-metal-plated sulfur cathode which is made from the nanocomposite, and a battery that uses the cathode
A method for the fabrication of an electroless-metal-plated sulfur nanocomposite, an electroless-metal-plated sulfur cathode which is made from the nanocomposite, and a battery that uses the cathode, where the method includes chemically plating a conductive metal nanoshell onto the surface of the insulating sulfur powder to improve the conductivity of the sulfur cathode material, where through enhancing the electrochemical reaction kinetics with metal catalysis capabilities, and performing physical and chemical adsorption of liquid polysulfides with metal activity, the electroless-metal-plated sulfur nanocomposite enables the battery to exhibit high electrochemical utilization and stable cyclability, such that the nanocomposite can achieve a high sulfur content and high metal content, and the cathode demonstrates a high sulfur loading with a low electrolyte-to-sulfur ratio, the lithium-sulfur battery with the cathode exhibiting a high discharge capacity along with high energy density, and maintaining stable and high reversible capacity after 200 cycles within a wide range of cycling rates. |
| US11996550B2 |
Template electrode structures for depositing active materials
Provided are examples of electrochemically active electrode materials, electrodes using such materials, and methods of manufacturing such electrodes. Electrochemically active electrode materials may include a high surface area template containing a metal silicide and a layer of high capacity active material deposited over the template. The template may serve as a mechanical support for the active material and/or an electrical conductor between the active material and, for example, a substrate. Due to the high surface area of the template, even a thin layer of the active material can provide sufficient active material loading and corresponding battery capacity. As such, a thickness of the layer may be maintained below the fracture threshold of the active material used and preserve its structural integrity during battery cycling. |
| US11996548B2 |
Negative active material, preparation method thereof, secondary battery and related battery module, battery pack and device
The present application discloses a negative active material, preparation process thereof and a secondary battery and the related battery module, battery pack and device. The negative active material comprises a core structure and a modified polymer coating layer coated on at least a part of the outer surface of the core structure, wherein the core structure comprises one or more of silicon-based materials and tin based materials; and wherein the negative active material has an infrared spectrum comprising an infrared absorption peak at the wavelength of 1450 cm−1 to 1690 cm−1, and the infrared absorption peak has a transmittance T that satisfies 80%≤T≤99%. |
| US11996547B2 |
Large-format battery anodes comprising silicon particles
Large-scale anodes containing high weight percentages of silicon suitable for use in lithium-ion energy storage devices and batteries, and methods of manufacturing the same, are described. The anode material described herein can include a film cast on a current collector substrate, with the film including a plurality of active material particles and a conductive polymer membrane coated over the active material particles. In some embodiments, the conductive polymer membrane comprises polyacrylonitrile (PAN). The method of manufacturing the anode material can include preparation of a slurry including the active material particles and the conductive polymer material, casting the slurry on a current collector substrate, and subjecting the composite material to drying and heat treatments. |
| US11996543B2 |
Nonaqueous electrolyte secondary battery including negative electrode active material layer with reasonable large tortuosity ratio
In a cross section parallel to a thickness direction of a negative electrode active material layer, an average tortuosity ratio is 1.5 to 2.5. The average tortuosity ratio is calculated by the following formula: “R=B/A”. In the formula, “R” represents the average tortuosity ratio. “B” represents an average value of lengths of shortest routes each extending from a contact point between a negative electrode substrate and a negative electrode active material particle to a surface of the negative electrode active material layer along contour lines of a plurality of negative electrode active material particles. “A” represents an average value of a thicknesses of the negative electrode active material layer. |
| US11996542B2 |
Method of manufacturing solventless multilayered electrodes
A method for manufacturing a solventless multilayered electrode may include mixing electrode particles with binders to form dry electrode mixtures, compressing the dry electrode mixtures to form electrode films, stacking the electrode films, and compressing the stacked electrode films. Suitable electrode films may include active material particles, conductive particles, electrochemically inactive ceramic particles, and/or the like. In some examples, compressing the stacked electrode films may include compressing the electrode films between pairs of rollers having patterns disposed on one or more exterior surfaces, thereby increasing surface roughness of the electrode films. A system for manufacturing solventless multilayered electrodes may comprise a first plurality of rollers configured to compress dry electrode mixes into electrode films, and a second plurality of rollers configured to compress a stack of electrode films into a single electrode stack. |
| US11996541B2 |
Supply device
A device for manufacturing a laminated electrode body comprises: a negative electrode cutting drum that forms a negative electrode sheet by cutting a negative electrode single sheet to a first width and conveys the negative electrode sheet; a negative electrode heating drum that heats the negative electrode sheet; a positive electrode cutting drum that forms a positive electrode sheet by cutting a positive electrode single sheet to a second width and conveys the positive electrode sheet; a positive electrode heating drum that heats the positive electrode sheet; and a bonding drum at which the negative electrode sheet is arranged on a first separator single sheet, a second separator single sheet is arranged on the negative electrode sheet, the positive electrode sheet is arranged on the second separator single sheet, and the sheets are bonded. The conveyance between drums is carried out by a belt conveyor which joins with two drums. |
| US11996538B2 |
Method for preparing positive electrode active material precursor for lithium secondary battery
A method for preparing a positive electrode active material precursor includes preparing a metal aqueous solution including a nickel raw material, a cobalt raw material, and a manganese raw material (step 1); adding the metal aqueous solution, an ammonium cation complex forming agent, and a basic aqueous solution into a reactor, co-precipitating the mixture at pH 11 to less than pH 12 to form nuclei of first positive electrode active material precursor particles and growing the nuclei (step 2); adjusting input amount of the basic aqueous solution to increase the pH in the reactor to a range of 0.8 to 1.5 compared to that of step 2; and adjusting input amount of the basic aqueous solution to change the pH in the reactor to pH 11 to less than pH 12 (step 4). A positive electrode active material precursor prepared by the above preparation method has an improved packing density. |
| US11996537B2 |
Prognostic limitation to fuel cell power output for improved efficiency in mobile machine
Operating a machine includes supplying electric power from a fuel cell to a power bus connected to an electric motor and an energy storage device in a machine operated at a work site, and determining an expected efficiency gain condition based on at least one of terrain data of the work site or machine activity data of the machine. Operating a machine further includes prognostically limiting a power output of the fuel cell based on the determining an expected efficiency gain condition, and charging the energy storage device during occurrence of the expected efficiency gain condition using at least one of a regenerative energy device or the fuel cell. The energy storage device may be discharged during prognostically limiting a power output of the fuel cell so as to share a load demand of the power bus between the fuel cell and the energy storage device. Related apparatus and control logic is also disclosed. |
| US11996536B2 |
Multilayered firewall and battery pack comprising the same
Provided is a battery module including a multilayered firewall capable of controlling a heat transfer phenomenon due to a battery fire. The battery module includes a plurality of secondary battery cells accommodated in a housing member, wherein a secondary battery cell among the plurality of battery cells includes an electrode assembly in which a plurality of negative electrodes and positive electrodes are alternately stacked with a separator interposed therebetween and a pouch case encasing the electrode assembly, wherein a multilayered firewall is interposed between the plurality of secondary battery cells, and the multilayered firewall includes a heat absorption layer and fireproof layers stacked on opposing surfaces of the heat absorption layer. |
| US11996534B2 |
Electric power module system
An electric power module system (1) for use in an electrically operated vehicle (21), comprising: —a base module comprising a cooling passage for fluid coolant and coolant connections for supplying fluid coolant to the cooling passage, the base module further comprising at least one external electrical connection for power input to and/or power output from the electric power module system, —an add-on module configured to be mounted to and electrically connected to the base module, so that the add-on module, when mounted, can be cooled and powered via the base module. When the add-on module is mounted, the cooling passage is delimited by at least a first delimiting surface provided on the base module and a second delimiting surface provided on the add-on module, so that fluid coolant supplied via the coolant connections of the base module comes into contact with both of said delimiting surfaces. |
| US11996533B2 |
Utilization of dead channel to improve temperature uniformity on thermal interface material
A heat exchanger includes first and second plates joined together with portions of the inner surfaces spaced apart to define a plurality of fluid flow passages for flow of a heat transfer fluid. A dividing rib separates the heat exchanger into an inlet section and an outlet section, each of which includes a plurality of fluid flow passages. Inlet and outlet ports are located near a first end of the heat exchanger, on opposite sides of the dividing rib. The heat transfer surface area of the inlet section is less than that of the outlet section due to the presence of one or more flow obstructions between the inlet port and first ends of the fluid flow passages in the inlet section. Each flow obstruction may be a dead channel including a continuous outer rib completely surrounding a depressed middle region. |
| US11996531B2 |
Modular battery stack and support system
A modular unit, for use in a modular battery system, that can include a housing having a roof portion, a base portion, and two side portions; a central component disposed within the housing; and one or more electrical distributor units coupled to the housing and operatively coupled to the central component. The modular unit can be configured to be operatively connected to one or more additional modular units to create a modular battery system. |
| US11996525B2 |
Device for triggering thermal runaway of an electrochemical accumulator, notably of a metal-ion accumulator and associated method
A device triggers thermal runaway of an electrochemical accumulator, including a flexible package that contains at least once electrochemical cell. A part of the current collectors that form the output terminals of the accumulator pass through the flexible package. The device includes two electrical current conducting elements, each respectively in electrical contact with the exterior of a part of a metal layer of the flexible package or of the metal housing, and an electrical power supply independent from the accumulator. The electrical power supply is designed to drive a current, referred to as a heating current, between the two elements so as to heat up the flexible package or the housing of the accumulator by Joule effect. |
| US11996523B2 |
Secondary battery
A secondary battery includes a body including a solid electrolyte layer, and a positive electrode and a negative electrode disposed with the solid electrolyte layer interposed therebetween; and first and second external electrodes respectively disposed on one surface and the other surface of the body, opposite to the one surface, and respectively connected to the positive electrode and the negative electrode, wherein the positive electrode comprises a positive electrode active material layer and a first electrolytic mixing portion disposed at an interface of the positive electrode in contact with the solid electrolyte layer. The first electrolytic mixing portion is a mixture of a positive electrode active material and a liquid phase and/or gel phase electrolyte. |
| US11996522B2 |
Electrolyte, electrochemical device, lithium-ion secondary battery, and module
An electrolyte solution containing a compound represented by formula (1) and a compound represented, for example, by formula (11-1), the formula (1) being: wherein M101 is P or P═O; R101 is a group such as a C1-C11 alkylsilyloxy group; n101 is an oxidation number of M101 minus 1 or an oxidation number of M101 minus 3; and R102 to R104 are each individually a group such as a C1-C11 alkyl group; the formula (11-1) being: wherein R111 and R112 are the same as or different from each other and are each an atom or group such as a hydrogen atom; and R113 is a group such as an alkyl group free from a fluorine atom. |
| US11996520B2 |
Electrolyte additives for fast charging lithium ion batteries
Lithium ion batteries and electrolytes therefor are provided, which include electrolyte additives having dithioester functional group(s) that stabilize the SEI (solid-electrolyte interface) at the surfaces of the anode material particles, and/or stabilize the CEI (cathode electrolyte interface) at the surfaces of the cathode material particles, and/or act as oxygen scavengers to prevent cell degradation. The electrolyte additives having dithioester functional group(s) may function as polymerization controlling and/or chain transfer agents that regulate the level of polymerization of other electrolyte components, such as VC (vinyl carbonate) and improve the formation and operation of the batteries. The lithium ion batteries may have metalloid-based anodes—including mostly Si, Ge and/or Sn as anode active material particles. |
| US11996518B2 |
Solid electrolyte membrane, method for manufacturing the same and all-solid-state battery comprising the same
The present disclosure relates to an electrolyte membrane for an all-solid-state battery, an all-solid-state battery comprising the electrolyte membrane and a method for manufacturing the solid electrolyte membrane. The solid electrolyte membrane may be obtained by stacking a first protective layer, a first film-type solid electrolyte material, a porous substrate, a second film-type solid electrolyte material and a second protective layer successively to prepare a laminate structure; and carrying out pressurization of the laminate structure so that the first and the second solid electrolyte materials may be pressed into the porous substrate and the pores of the porous substrate may be filled with the solid electrolyte materials. |
| US11996516B2 |
Anode layer and fluoride ion secondary battery
There is provided an anode layer including an anode active material, a conductive aid, and a solid electrolyte, the anode active material including a lanthanoid fluoride doped with an alkaline earth metal fluoride, the conductive aid including a carbon material, the solid electrolyte including at least one of BaCaF4 and SrCaF4, and the lanthanoid fluoride doped with the alkaline earth metal fluoride and the carbon material forming a complex. There is also provided a fluoride ion secondary battery including the anode layer, an electrolyte, and a cathode layer. |
| US11996515B2 |
Lithium-ion secondary battery, battery module, battery pack, and power consumption apparatus
A lithium-ion secondary battery includes a negative electrode sheet including a negative electrode current collector and a negative electrode film disposed on a surface of the negative electrode current collector and containing a negative active material, a positive electrode sheet including a positive electrode current collector and a positive electrode film disposed on a surface of the positive electrode current collector and containing a positive active material, and an electrolytic solution including lithium iodide, a lithium salt, a solvent, and an additive. A coating weight per unit area, CW1/S0, of the positive electrode film satisfies CW1/S0=((CW2/S0)×b×C2/CB−m×X×(199 mAh/g)/S)/(C1×a). |
| US11996512B2 |
Electrode assembly having improved safety of use by means of outermost electrode structure and current collector material, and lithium-ion secondary battery having same
An electrode assembly includes a plurality of unit cells each equipped with a pair of electrodes having different polarities. Electrode tabs protrude from the electrodes. The electrode tabs including at least one electrode parallel connection tab and at least one electrode lead connection tab. In a first unit cell of the plurality of unit cells, a current collector of a first electrode among the pair of electrodes is made of a different material from a current collector of a second electrode among the pair of electrodes having the different polarity. |
| US11996511B2 |
Rechargeable battery
Disclosed is a rechargeable battery including: an electrode assembly wound with a separator between a first electrode and a second electrode; a first exterior material including an opening receiving the electrode assembly and facing a bottom side of the electrode assembly; a second exterior material covering the opening, and combined to the first exterior material to seal an internal side of the first exterior material; and a reinforcing member having greater rigidity than the first exterior material and the second exterior material, disposed between the electrode assembly and the first exterior material, and including a side wall for surrounding a lateral side of the electrode assembly. |
| US11996508B2 |
Winding shaft structure and winding apparatus
A winding shaft structure includes a winding shaft holder rotatable around an axial direction of the winding shaft structure, a first shaft group connected to one side of the winding shaft holder in the axial direction and configured to rotate together with the winding shaft holder, a second shaft group disposed on a side of the first shaft group in a radial direction of the winding shaft structure, a connecting member connected between the first shaft group and the second shaft group such that the second shaft group is movable with respect to the first shaft group in the radial direction via the connecting member, and a piezoelectric adjustment member disposed between the first shaft group and the second shaft group and deformable in the radial direction to adjust a distance between the first shaft group and the second shaft group. |
| US11996506B2 |
Display panel and electronic device
A display panel and an electronic device are provided. The display panel includes a first power supply voltage bonding terminal and a second power supply voltage bonding terminal; a first power line and a second power line; and a plurality of light-emitting units; wherein when resistance of a first part of the first power line is greater than resistance of a second part of the first power line, resistance of a first part of the second power line is less than resistance of a second part of the second power line, alleviating non-uniform display of the panel. |
| US11996502B2 |
Method of manufacturing light-emitting device including step of curing sealing member while applying centrifugal force
A method of producing a light-emitting device includes: providing a package having an upper surface and a recess including an opening located at the upper surface; disposing a light-emitting element on a surface defining a bottom of the recess of the package; disposing an uncured sealing member in the recess of the package; and curing the uncured sealing member while applying a centrifugal force to the package in which the uncured sealing member are disposed, such that the centrifugal force is applied in a direction perpendicular to the upper surface and toward the surface defining the bottom of the recess. |
| US11996500B2 |
LED lighting apparatus having additional function
A lighting apparatus including at least two of first, second, and third light units, in which the first light unit includes a first LED emitting light having a peak wavelength in a range of 286 to 304 nm and a first wavelength converter, and to emit a portion of light from the first LED to the outside, the second light unit includes a second LED emitting light having a peak wavelength in a range of 400 to 420 nm and a second wavelength converter, and to emit a portion of light from the second LED to the outside, and the third light unit includes a third LED emitting light having a peak wavelength in a range of 286 to 470 nm and a third wavelength converter emitting light having a central wavelength in a range of 685 to 705 nm, 790 to 840 nm, or 875 to 935 nm. |
| US11996499B2 |
Method for manufacturing light-emitting device
A method for manufacturing a light-emitting device includes forming the quantum dot layer. The forming the quantum dot layer includes: performing first application that involves applying a first solution on a position overlapping with the substrate; performing first light irradiation, that involves irradiating with light, from above the substrate, the position where the first solution is applied; performing second light irradiation, that involves irradiating the position with light to raise a temperature of the quantum dot; and performing third light irradiation, that involves irradiating the position with light to cause the first inorganic precursor to epitaxially grow around the first shell. In the performing third light irradiation, at least one set of the quantum dots adjacent to each other is connected to each other via the second shell. |
| US11996497B2 |
Pixel and display device including the same
A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other. |
| US11996496B2 |
Semiconductor light-emitting device
A semiconductor light-emitting device includes: a conductive support substrate; a metal layer comprising a reflective metal provided on the conductive support substrate; a semiconductor laminate provided on the metal layer, the semiconductor laminate being a stack of a plurality of InGaAsP-based III-V group compound semiconductor layers containing at least In and P; an n-type InGaAs contact layer provided on the semiconductor laminate; and an n-side electrode provided on the n-type InGaAs contact layer. A center emission wavelength of light emitted from the semiconductor laminate is 1000 to 2200 nm. |
| US11996493B2 |
Light-emitting module and display apparatus
The present disclosure provides a light-emitting module and a display apparatus thereof. The light-emitting module includes a circuit substrate which includes a first surface and a second surface opposite to the first surface. The first surface includes a plurality of conductive channels, and the second surface includes a plurality of conductive pads. A plurality of light-emitting groups is arranged in a matrix on the first surface. Each of the light-emitting groups includes a red light-emitting diode chip, a green light-emitting diode chip, and a blue light-emitting diode chip. An electric component is disposed on the first surface and located in the light-emitting groups matrix. A translucent encapsulating component covers the plurality of light-emitting groups and the electric component. Wherein, the light-emitting groups matrix comprises m columns and n rows. |
| US11996491B2 |
Solar cell module
A solar cell module comprises cell groups each containing solar cells, and each solar cell includes photoelectric converters, N number of which being connected in series, and first, second and third terminals. When the first terminal on one end of a first cell group has a reference potential, the second terminal on the other end of the mth cell group is connected to the first terminal on one end of another cell group, and N number of the third terminals of the mth cell group are respectively connected to N number of the first terminals of an m+1th cell group. The difference in potential between the second terminal on the other end of the mth cell group and the first terminal on one end of the other cell group is 10% or less of the difference in potential between the second and first terminals of the mth cell group. |
| US11996490B2 |
Solar array
One or more solar cells arranged on a mounting surface along a first direction and extending out from the mounting surface in a second direction that is substantially perpendicular to the first direction. One or more angled reflectors may be arranged on the mounting surface along the first direction. The one or more angled reflectors may include a lens in a wedge shape having: an entrance surface extending along the first direction including one or more curved surfaces a bottom surface extending along the second direction and adjacent to the corresponding solar cell of the one or more solar cells, and a reflector surface extending along the second direction at an angle. The reflector surface may include a gradient texture comprising one or more flat surfaces, each of which is substantially parallel to the first direction, and one or more angled elevation surfaces. |
| US11996488B2 |
Disconnection of a string carrying direct current power
A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings. |
| US11996485B2 |
Multiple-gate transistor
A multiple-gate transistor comprises a source, a drain spaced apart from the source, a semiconductor region disposed between the source and drain, and an insulating region disposed over the semiconductor region. A current control gate controls a magnitude of current flowing between the source and drain through the semiconductor region in dependence on a first electric field applied to the current control gate, and is separated from the source by the semiconductor region and the insulating region. A switching gate permits current to flow between the source and drain through the semiconductor region in dependence on a second electric field applied to the switching gate. The transistor's conduction state can be controlled by varying the second electric field applied to the switching gate, whilst varying the first electric field that is applied to the current control gate can set the magnitude of the current through the multiple-gate transistor. |
| US11996481B2 |
Liner for a bi-layer gate helmet and the fabrication thereof
A semiconductor device includes a semiconductor layer. A gate structure is disposed over the semiconductor layer. A spacer is disposed on a sidewall of the gate structure. A height of the spacer is greater than a height of the gate structure. A liner is disposed on the gate structure and on the spacer. The spacer and the liner have different material compositions. |
| US11996477B2 |
Transistor device having a source region segments and body region segments
In one general aspect, an apparatus can include a first trench disposed in a semiconductor region and including a gate electrode and a second trench disposed in the semiconductor region. The apparatus can include a mesa region disposed between the first trench and the second trench. The apparatus can include a source region segment of a first conductivity type disposed in a first side of the mesa region where the source region segment is included in a plurality of source region segments and where the plurality of source region segments are aligned along the longitudinal axis. The apparatus can include a body region segment of a second conductivity type disposed in a second side of the mesa region opposite the first side of the mesa region and having a portion disposed above the source region segment where the body region segment is included in a plurality of body region segments. |
| US11996458B2 |
Trench-gate MOS transistor and method for manufacturing the same
A semiconductor device includes a semiconductor part; first and second electrodes respectively on back and front surfaces of the semiconductor part; and a control electrode between the semiconductor part and the second electrode. The control electrode is provided inside a trench of the semiconductor part. The control electrode is electrically insulated from the semiconductor part by a first insulating film and electrically insulated from the second electrode by a second insulating film. The control electrode includes an insulator at a position apart from the first insulating film and the second insulating film. The semiconductor part includes a first layer of a first conductivity type provided between the first and second electrodes, the second layer of a second conductivity type provided between the first layer and the second electrode and the third layer of the first conductivity type selectively provided between the second layer and the second electrode. |
| US11996453B2 |
Introducing fluorine to gate after work function metal deposition
A gate dielectric structure is formed over a channel structure. One or more work function (WF) metal layers of a metal gate are formed over the gate dielectric structure. The one or more WF metal layers are treated with a fluorine-containing material. One or more processes are performed to cause fluorine from the fluorine-containing material to diffuse at least partially into the gate dielectric structure. |
| US11996450B2 |
Gallium-nitride-based module with enhanced electrical performance and process for making the same
The present disclosure relates to a Gallium-Nitride (GaN) based module, which includes a module substrate, a thinned switch die residing over the module substrate, a first mold compound, and a second mold compound. The thinned switch die includes an electrode region, a number of switch interconnects extending from a bottom surface of the electrode region to the module substrate, an aluminium gallium nitride (AlGaN) barrier layer over a top surface of the electrode region, a GaN buffer layer over the AlGaN barrier layer, and a lateral two-dimensional electron gas (2DEG) layer realized at a heterojunction of the AlGaN barrier layer and the GaN buffer layer. The first mold compound resides over the module substrate, surrounds the thinned switch die, and extends above a top surface of the thinned switch die to form an opening over the top surface of the thinned switch die. The second mold compound fills the opening. |
| US11996448B2 |
Manufacturing method of semiconductor device including field-effect transistor comprising buried oxide (BOX) film and silicon layer
Occurrence of short-channel characteristics and parasitic capacitance of a MOSFET on a SOI substrate is prevented. A sidewall having a stacked structure obtained by sequentially stacking a silicon oxide film and a nitride film is formed on a side wall of a gate electrode on the SOI substrate. Subsequently, after an epitaxial layer is formed beside the gate electrode, and then, the nitride film is removed. Then, an impurity is implanted into an upper surface of the semiconductor substrate with using the gate electrode and the epitaxial layer as a mask, so that a halo region is formed in only a region of the upper surface of the semiconductor substrate which is right below a vicinity of both ends of the gate electrode. |
| US11996447B2 |
Field effect transistors with gate electrode self-aligned to semiconductor fin
Monolithic FETs including a fin of a first semiconductor composition disposed on a sub-fin of a second composition. In some examples, an InGaAs fin is grown over GaAs sub-fin. The sub-fin may be epitaxially grown from a seeding surface disposed within a trench defined in an isolation dielectric. The sub-fin may be planarized with the isolation dielectric. The fin may then be epitaxially grown from the planarized surface of the sub-fin. A gate stack may be disposed over the fin with the gate stack contacting the planarized surface of the isolation dielectric so as to be self-aligned with the interface between the fin and sub-fin. Other embodiments may be described and/or claimed. |
| US11996446B2 |
Elastic strain engineering of defect doped materials
Compositions and methods related to straining defect doped materials as well as their methods of use in electrical circuits are generally described. |
| US11996441B2 |
Semiconductor device for high voltage applications
A device includes a first region disposed on a substrate, a second region disposed on the first region, a third region disposed in the second region and a first terminal region disposed in the third region. The first region comprises a discontinuous layer including at least one gap portion. The at least one gap portion comprises a portion of the substrate. The first region and the second region have a first conductivity type, and the substrate, the third region and the first terminal region have a second conductivity type. The first conductivity type is different from the second conductivity type. |
| US11996440B2 |
Capacitor array, method for manufacturing the same and memory
The present disclosure provides a method for manufacturing capacitor array, including: forming, on an upper surface of the substrate, a laminated structure including sacrificial layers and support layers; forming a patterned mask layer on an upper surface of the laminated structure; etching the laminated structure based on the patterned mask layer to form a through hole, wherein after the through hole is formed, the patterned mask layer is retained on the upper surface of the laminated structure, and the through hole penetrates through the patterned mask layer and the laminated structure; forming a first electrode on a sidewall and at a bottom of the through hole; forming, in the patterned mask layer and the laminated structure, and removing the sacrificial layer based on the opening; forming a capacitor dielectric layer on a surface of the first electrode; and forming a second electrode on a surface of the capacitor dielectric layer. |
| US11996436B2 |
Display device and electronic device
To improve color reproduction areas in a display device having light-emitting elements. A display region has a plurality of picture elements. Each picture element includes: first and second pixels each including a light-emitting element which has a chromaticity whose x-coordinate in a CIE-XY chromaticity diagram is 0.50 or more; third and fourth pixels each including a light-emitting element which has a chromaticity whose y-coordinate in the diagram is 0.55 or more; and fifth and sixth pixels each including a light-emitting element which has a chromaticity whose x-coordinate and y-coordinate in the diagram are 0.20 or less and 0.25 or less, respectively. The light-emitting elements in the first and second pixels have different emission spectrums from each other; the light-emitting elements in the third and fourth pixels have different emission spectrums from each other, and the light-emitting elements in the fifth and sixth pixels have different emission spectrums from each other. |
| US11996433B2 |
Pad structure for front side illuminated image sensor
The present disclosure relates to a semiconductor structure. The semiconductor structure includes a dielectric layer having a first dielectric surface and a second dielectric surface opposite to the first dielectric surface. The dielectric layer defines a recess in the first dielectric surface, and the recess includes a sidewall of the dielectric layer. A first conductive layer contacts a bottom surface of the dielectric layer. The sidewall of the dielectric layer is directly over the first conductive layer. A second conductive layer contacts the first conductive layer and the dielectric layer. The second conductive layer vertically extends from the first conductive layer to above the dielectric layer. A third conductive layer contacts the second conductive layer. The third conductive layer is laterally separated from a sidewall of the second conductive layer that faces the third conductive layer by a non-zero distance. |
| US11996431B2 |
Pixel device on deep trench isolation (DTI) structure for image sensor
The present disclosure relates to a CMOS image sensor. The image sensor comprises a pixel region comprising a photodiode disposed within a substrate. A deep trench isolation (DTI) ring encloses the photodiode from top view and extends from a back-side to a first position within the substrate from cross-sectional view. A pair of shallow trench isolation (STI) structures is respectively disposed at an inner periphery and an outer periphery sandwiching the DTI ring from top view and extends from a front-side to a second position within the substrate from cross-sectional view. A pixel device is disposed at the front-side of the substrate directly overlying the DTI ring. The pixel device comprises a gate electrode disposed over the substrate and a pair of source/drain (S/D) regions disposed within the substrate and reaching on a top surface of the DTI ring. |
| US11996429B2 |
CMOS image sensor structure with microstructures on backside surface of semiconductor layer
A semiconductor device includes a device layer, a semiconductor layer, a sensor element, a dielectric layer, a color filter layer, and a micro-lens. The semiconductor layer is over the device layer. The semiconductor layer has a plurality of microstructures thereon. Each of the microstructures has a substantially triangular cross-section. The sensor element is under the microstructures of the semiconductor layer and is configured to sense incident light. The dielectric layer is over the microstructures of the semiconductor layer. The color filter layer is over the dielectric layer. The micro-lens is over the color filter layer. |
| US11996427B2 |
Solid-state imaging device and electronic apparatus
Spectral performance in a wide wavelength range is improved. A solid-state imaging device according to an embodiment includes: a pixel array unit in which a plurality of photoelectric conversion elements (PD) are arranged in a two-dimensional lattice form; a plurality of diffraction gratings provided corresponding one-to-one to light-receiving surfaces of the plurality of photoelectric conversion elements; and pixel circuits configured to generate pixel signals on the basis of charge accumulated in the photoelectric conversion elements, wherein a period of a first diffraction grating positioned at a first imaging height is different from a period of a second diffraction grating positioned at a second imaging height different from the first imaging height. |
| US11996425B2 |
Photosensitive element and optoelectronic component
A photosensitive element includes a semiconductor substrate, a light sensitive region formed in the semiconductor substrate, an inactive region at least partly surrounding the light sensitive region, and a protective layer having an opening leaving the light sensitive region uncovered by the protective layer. The protective layer is an anti-reflective coating having in at least a part of a spectral range between 300 nm and 1200 nm a reflectivity of less than 10% and a transmittance of less than 0.1%. |
| US11996420B2 |
Image sensor comprising a grid pattern and a conductive pattern
An image sensor is provided. An image sensor includes: a substrate including an active pixel sensor region, an optical black sensor region, and a boundary region provided between the active pixel sensor region and the optical black sensor region; a photoelectric conversion element provided inside the substrate on the boundary region; a passivation layer provided on the substrate; a grid trench formed on the boundary region of the substrate and extending from an upper surface of the passivation layer toward an inside of the passivation layer; grid patterns, each of the grid patterns being provided on the passivation layer on each of the active pixel sensor region and the boundary region of the substrate, at least a part of a grid pattern being provided inside the grid trench; and a color filter provided between the grid patterns. |
| US11996418B2 |
Display device and manufacturing method
A display device includes a substrate; a semiconductor layer; a gate insulating film; a gate electrode; a first interlayer insulating film; a capacitance electrode; and a second interlayer insulating film. Each of a pixel circuits includes a drive transistor, a capacitor and a connection wiring line. The capacitance electrode is provided with a first opening and a second opening in portions of positions overlapping with the gate electrode in plan view. The first interlayer insulating film and the second interlayer insulating film include a contact hole provided at a position surrounded by the first opening and a hole provided at a position surrounded by the second opening. The connection wiring line is provided on the second interlayer insulating film and is connected to the gate electrode via the contact hole. The hole overlaps with a portion of a channel region in plan view. |
| US11996416B2 |
Semiconductor device and manufacturing method thereof
An object is to reduce a capacitance value of parasitic capacitance without decreasing driving capability of a transistor in a semiconductor device such as an active matrix display device. Further, another object is to provide a semiconductor device in which the capacitance value of the parasitic capacitance was reduced, at low cost. An insulating layer other than a gate insulating layer is provided between a wiring which is formed of the same material layer as a gate electrode of the transistor and a wiring which is formed of the same material layer as a source electrode or a drain electrode. |
| US11996413B2 |
Thin film transistor and method of manufacturing the same, display substrate, and display device
A thin film transistor includes a base, a first electrode, an active pattern, a gate insulating layer, a gate and a second electrode. The active pattern includes a first semiconductor pattern, a second semiconductor pattern and a third semiconductor pattern. A material of one of the first semiconductor pattern and the third semiconductor pattern includes a semiconductor material and N-type doped ions, and a material of another of the first semiconductor pattern and the third semiconductor pattern includes the semiconductor material and P-type doped ions. An orthogonal projection of the gate on the base is non-overlapping with an orthogonal projection of the active pattern on the base. |
| US11996408B2 |
Leave-behind protective layer having secondary purpose
Stacked transistor structures having a conductive interconnect between upper and lower transistors. In an embodiment, the interconnect is formed by first provisioning a protective layer over an area to be protected (gate dielectric or other sensitive material) of upper transistor, and then etching material adjacent and below the protected area to expose an underlying contact point of lower transistor. A metal is deposited into the void created by the etch to provide the interconnect. The protective layer is resistant to the etch process and is preserved in the structure, and in some cases may be utilized as a work-function metal. In an embodiment, the protective layer is formed by deposition of reactive semiconductor and metal material layers which are subsequently transformed into a work function metal or work function metal-containing compound. A remnant of unreacted reactive semiconductor material may be left in structure and collinear with protective layer. |
| US11996406B2 |
Semiconductor devices having reflective symmetry
A semiconductor device includes a substrate including first and second active regions extending in a first direction and isolated from direct contact with each other in the first direction; a device isolation layer between the first and second active regions in the substrate; and first and second gate structures extending in a second direction on the substrate while respectively intersecting end portions of the first and second active regions. The first gate structure includes a first gate electrode. The second gate structure includes a second gate electrode. The first gate structure protrudes further toward the device isolation layer, as compared to the second gate structure, in a vertical direction that is perpendicular to the first and second directions, and a lower end of the first gate electrode is located on a lower height level than a lower end of the second gate electrode. |
| US11996402B2 |
Semiconductor device
Disclosed is a semiconductor device comprising a substrate that includes a cell region and a dummy region, a first metal layer on the substrate and including a dummy line on the dummy region, a power delivery network on a bottom surface of the substrate, and a first through via that penetrates the substrate and extends from the power delivery network toward the dummy line. The first through via is electrically connected to the dummy line. The power delivery network includes a plurality of lower lines and a pad line below the lower lines. The pad line is electrically connected through the lower lines to the first through via. |
| US11996393B2 |
Intelligent integrated assembly and transfer apparatus for semiconductor light emitting device
The embodiment relates to an intelligent integrated assembly and transfer apparatus. The intelligent integrated assembly and transfer apparatus according to the embodiment can include a fluid chamber 300, a roller unit 200 and assembly inspection unit 500. The fluid chamber 300 can accommodate semiconductor light emitting devices 150. Semiconductor light emitting devices 150 can be assembled on an assembly substrate 210. The assembly substrate 210 can be mounted on the roller unit 200. The roller unit 200 can rotate the assembly substrate 210. The assembly inspection unit 500 can inspect the semiconductor light emitting devices 150 assembled on the assembly substrate 210. The roller unit 200 can include a roller rotated part 220 where the assembly substrate 210 is mounted and rotated, a roller driving part 230 for rotating the roller rotated part 220, and a magnet head unit 400 for applying magnetic force to the semiconductor light emitting devices 150 to be assembled on the assembly substrate 210. |
| US11996388B2 |
RF devices with enhanced performance and methods of forming the same
The present disclosure relates to a radio frequency device that includes a transfer device die and a multilayer redistribution structure underneath the transfer device die. The transfer device die includes a device region with a back-end-of-line (BEOL) portion and a front-end-of-line (FEOL) portion over the BEOL portion and a transfer substrate. The FEOL portion includes isolation sections and an active layer surrounded by the isolation sections. A top surface of the device region is planarized. The transfer substrate including a porous silicon (PSi) region resides over the top surface of the device region. Herein, the PSi region has a porosity between 1% and 80%. The multilayer redistribution structure includes a number of bump structures, which are at a bottom of the multilayer redistribution structure and electrically coupled to the FEOL portion of the transfer device die. |
| US11996383B2 |
Bonded semiconductor devices and methods of forming the same
A method includes patterning a cavity through a first passivation layer of a first package component, the first package component comprising a first semiconductor substrate and bonding the first package component to a second package component. The second package component comprises a second semiconductor substrate and a second passivation layer. Bonding the first package component to the second package component comprises directly bonding the first passivation layer to the second passivation layer; and reflowing a solder region of a conductive connector disposed in the cavity to electrically connect the first package component to the second package component. |
| US11996382B2 |
Palladium-coated copper bonding wire, manufacturing method of palladium-coated copper bonding wire, semiconductor device using the same, and manufacturing method thereof
A palladium-coated copper bonding wire includes: a core material containing copper as a main component; and a palladium layer on the core material, in which a concentration of palladium relative to the entire wire is 1.0 mass % or more and 4.0 mass % or less, and a work hardening coefficient in an amount of change of an elongation rate 2% or more and a maximum elongation rate ε max % or less of the wire, is 0.20 or less. |
| US11996380B2 |
Flexible circuits on soft substrates
An article includes a solid circuit die on a first major surface of a substrate, wherein the solid circuit die includes an arrangement of contact pads, and wherein at least a portion of the contact pads in the arrangement of contact pads are at least partially exposed on the first major surface of the substrate to provide an arrangement of exposed contact pads; a guide layer including an arrangement of microchannels, wherein the guide layer contacts the first major surface of the substrate such that at least some microchannels in the arrangement of microchannels overlie the at least some exposed contact pads in the arrangement of exposed contact pads; and a conductive particle-containing liquid in at least some of the microchannels. Other articles and methods of manufacturing the articles are described. |
| US11996378B2 |
Semiconductor package and method for manufacturing semiconductor package
A semiconductor package includes a first redistribution structure, including a first insulating layer and a first redistribution layer disposed below the first insulating layer; a semiconductor chip disposed on the first redistribution structure, including a connection terminal electrically connected to the first redistribution layer and buried in the first insulating layer; an encapsulant disposed on the first redistribution structure that seals a portion of the semiconductor chip; a second redistribution structure, including a second redistribution layer disposed on the encapsulant; and a through via, including a pattern portion buried in the first insulating layer and electrically connected to the first redistribution layer and a via portion penetrating through the encapsulant and electrically connecting the pattern portion and the second redistribution layer. The connection terminal and the pattern portion are located at a first level and are electrically connected to each other at a second level lower than the first level. |
| US11996375B2 |
Integrated circuit structure, and method for forming thereof
An integrated circuit structure is provided. The integrated circuit structure includes a die that contains a substrate, an interconnection structure, active connectors and dummy connectors. The interconnection structure is disposed over the substrate. The active connectors and the dummy connectors are disposed over the interconnection structure. The active connectors are electrically connected to the interconnection structure, and the dummy connectors are electrically insulated from the interconnection structure. |
| US11996371B2 |
Chiplet interposer
Embodiments include packages and methods for forming packages which include interposers having a substrate made of a dielectric material. The interposers may also include a redistribution structure over the substrate which includes metallization patterns which are stitched together in a patterning process which includes multiple lateral overlapping patterning exposures. |
| US11996366B2 |
Semiconductor package including interposer
A semiconductor package includes a base package substrate, a first semiconductor chip, and a second semiconductor chip. The base package substrate includes a redistribution region where a redistribution layer is provided, a plurality of vertical conductive vias connected to the redistribution layer, and a recess region recessed from an upper surface of the redistribution region. The base package substrate further includes an interposer in the recess region, the interposer comprising a substrate, a plurality of upper pads disposed at an upper surface of the substrate, and plurality of through electrodes respectively connected to the plurality of upper pads to pass through the substrate. The first semiconductor chip and second semiconductor chip, each include a plurality of conductive interconnection terminals respectively connected to the plurality of upper pads and the vertical conductive vias exposed at the upper surface of the redistribution region. The first semiconductor chip and the second semiconductor chip are mounted on the extension region and the interposer and disposed horizontally apart from each other. As seen from a plan view, the interposer is disposed to overlap a portion of each of the first semiconductor chip and the second semiconductor chip. |
| US11996358B2 |
Semiconductor packages having first and second redistribution patterns
A semiconductor package includes a redistribution substrate that includes a first redistribution pattern and a second redistribution pattern that are at different levels from each other, and a semiconductor chip on the redistribution substrate and including a plurality of chip pads electrically connected to the first and second redistribution patterns. The first redistribution pattern includes a first metal pattern on a first dielectric layer, and a first barrier pattern between the first dielectric layer and a bottom surface of the first metal pattern. The second redistribution pattern includes a second metal pattern in a second dielectric layer, and a second barrier pattern between the second dielectric layer and a bottom surface of the second metal pattern and between the second dielectric layer and a sidewall of the second metal pattern. |
| US11996355B2 |
Semiconductor device and method for manufacturing semiconductor device
A semiconductor device includes a semiconductor element and a lead part. The semiconductor element is mounted on a circuit pattern provided on an insulating substrate. The lead part has a plate shape and is bonded to the semiconductor element with a first bonding material interposed therebetween. The lead part includes a lead body and a bonding component. The lead body includes an opening part provided corresponding to a mounting position of the semiconductor element. The bonding component is provided in the opening part and on the semiconductor element. The bonding component is bonded at a lower surface thereof to the semiconductor element by the first bonding material and bonded at an outer peripheral part thereof to an inner periphery of the opening part by a second bonding material. |
| US11996354B2 |
Semiconductor device
A semiconductor device provided with first and second semiconductor element each having an obverse and a reverse surface with a drain electrode, source electrode and gate electrode provided on the obverse surface. The semiconductor device is also provided with a control element electrically connected to the gate electrodes of the respective semiconductor elements, and with a plurality of leads, which include a first lead carrying the first semiconductor element, a second lead carrying the second semiconductor element, and a third lead carrying the control element. The first and second leads overlap with each other as viewed in a first direction perpendicular to the thickness direction of the semiconductor device, and the third lead overlaps with the first and second leads as viewed in a second direction perpendicular to the thickness direction and the first direction. |
| US11996347B2 |
Semiconductor device
A semiconductor device has a resistance element including a metal block, a resin layer disposed on the metal block, and a resistance film disposed on the resin layer and an insulated circuit board including an insulating plate and a circuit pattern disposed on the insulating plate and having a bonding area on a front surface thereof to which a back surface of the metal block of the resistance element is bonded. The area of the circuit pattern is larger in plan view than that of a front surface of the resistance element. The metal block has a thickness greater than that of the circuit pattern in a direction orthogonal to the back surface of the metal block. As a result, the metal block properly conducts heat generated by the resistance film of the resistance element to the circuit pattern. |
| US11996346B2 |
Semiconductor device and manufacturing method thereof
Semiconductor device includes a circuit substrate, a first semiconductor die and a package lid. The first semiconductor die is disposed on and electrically connected to the circuit substrate. The package lid extends over the first semiconductor die and is bonded to the circuit substrate. the package lid comprises a roof extending, a footing and an island. The roof extends along a first direction and a second direction perpendicular to the first direction. The footing is disposed at a peripheral edge of the roof and protrudes from the roof towards the circuit substrate along a third direction perpendicular to the first direction and the second direction. The island protrudes from the roof towards the circuit substrate, wherein the island is disconnected from the footing along the second direction, and the island is physically connected to the footing along the first direction. |
| US11996345B2 |
Package structure and manufacturing method thereof
A package structure includes a first semiconductor die, a first insulating encapsulation, a thermal coupling structure, and a heat dissipating component thermally coupled to the first semiconductor die through the thermal coupling structure. The first semiconductor die includes an active side, a rear side, and a sidewall connected to the active side and the rear side. The first insulating encapsulation extends along the sidewall of the first semiconductor die and includes a first side substantially leveled with the active side, a second side opposite to the first side, and topographic features at the second side. The thermal coupling structure includes a metallic layer overlying and the rear side of the first semiconductor die and the topographic features of the first insulating encapsulation. A manufacturing method of a package structure is also provided. |
| US11996343B2 |
Thermal routing trench by additive processing
An integrated circuit has a substrate that includes a semiconductor material, and an interconnect region disposed on the substrate. The integrated circuit includes a thermal routing trench in the substrate. The thermal routing trench includes a cohered nanoparticle film in which adjacent nanoparticles are cohered to each other. The thermal routing trench has a thermal conductivity higher than the semiconductor material contacting the thermal routing trench. The cohered nanoparticle film is formed by an additive process. |
| US11996337B2 |
Substrate processing apparatus, method of manufacturing semiconductor device, and recording medium
According to one aspect of the technique, there is provided a technique, including: a process chamber in which a substrate is processed; a memory that stores recipe information describing a procedure that executes the processing of the substrate, process data accumulated during the processing of a plurality of substrates, variation quality data calculated from the process data, and comparison data to be compared with the variation quality data; a monitor configured to monitor the process data; an analyzer configured to compare the variation quality data with the comparison data to obtain a reproduction index indicating a reproducibility of the comparison data, and calculate a correction value of setting information included in the recipe information when the reproduction index is smaller than a predetermined value; and a controller configured to be capable of correcting the setting information included in the recipe information with the correction value. |
| US11996335B2 |
Manufacturing method of semiconductor device
A manufacturing method of a semiconductor device includes inspecting each of plural chip regions of a substrate and determining the inspected chip region as a non-defective chip region or a defective chip region, the substrate including the plural chip regions formed as one system, and the plural chip regions being arranged in a planar direction on the substrate. The method includes forming a wiring, the wiring being connected to an electrode of the non-defective chip region among the plural chip regions, and the wiring being not connected to an electrode of the defective chip region among the plural chip regions. |
| US11996332B2 |
Semiconductor device and method of manufacturing the same
A semiconductor device includes a semiconductor substrate, a first semiconductor stack, a second semiconductor stack, a first gate structure, and a second gate structure. The semiconductor substrate comprising a first device region and a second device region. The first semiconductor stack is located on the semiconductor substrate over the first device region, and has first channels. The second semiconductor stack is located on the semiconductor substrate over the second device region, and has second channels. A total number of the first channels is greater than a total number of the second channels. The first gate structure encloses the first semiconductor stack. The second gate structure encloses the second semiconductor stack. |
| US11996330B2 |
Crystal efficient SiC device wafer production
There is provided a method for manufacturing a SiC device wafer comprising the steps: a) slicing and polishing a SiC boule to thicker substrates compared to the usual thickness in the prior art, b) creating a device wafer on the substrate, c) removing the device wafer from the remaining substrate, d) adding SiC to the remaining substrate so that the original thickness of the substrate is essentially restored, and repeating steps b)-d). The removal of the device wafer can be made for instance by laser slicing. Advantages include that the SiC material loss is significantly decreased and the boule material used for device wafers is considerably increased, the substrates become more stable especially during high temperature processes, the warp and bow is reduced, the risk of breakage is decreased. |
| US11996327B2 |
Interconnect structure and methods of forming the same
An interconnect structure, along with methods of forming such, are described. In some embodiments, the method includes forming a first dielectric layer over one or more devices, forming a first conductive feature in the first dielectric layer, and forming two dielectric features over the first dielectric layer and the first conductive feature. At least one of the two dielectric features has a first width, and each dielectric feature includes a first low-k dielectric layer, an oxide layer, and a first etch stop layer. The method further includes forming a second conductive feature between the two dielectric features, and the second conductive feature has a second width substantially the same as the first width. |
| US11996316B2 |
Robot having arm with parallel paths
An apparatus including at least one drive; a first robot arm having a first upper arm, a first forearm and a first end effector. The first upper arm is connected to the at least one drive at a first axis of rotation. A second robot arm has a second upper arm, a second forearm and a second end effector. The second upper arm is connected to the at least one drive at a second axis of rotation which is spaced from the first axis of rotation. The first and second robot arms are configured to locate the end effectors in first retracted positions for stacking substrates located on the end effectors at least partially one above the another. The first and second robot arms are configured to extend the end effectors from the first retracted positions in a first direction along parallel first paths located at least partially directly one above the other. The first and second robot arms are configured to extend the end effectors in at least one second direction along second paths spaced from one another which are not located above one another. The first upper arm and the first forearm have different effective lengths. The second upper arm and the second forearm have different effective lengths. |
| US11996313B2 |
Member for semiconductor manufacturing apparatus
A member for semiconductor manufacturing apparatus has a structure in which a hollow ceramic shaft is provided on a back surface of a ceramic plate having a front surface serving as a wafer placement surface. The member for semiconductor manufacturing apparatus includes an RF electrode embedded in the ceramic plate, an RF connector disposed outside of the hollow interior of the ceramic shaft, and an RF link member provided between the RF connector and the RF electrode. The RF link member has a branching portion consisting of a plurality of RF rods, and the branching portion extends to the outside of the ceramic shaft. |
| US11996312B2 |
Electrostatic chuck
Electrostatic chucks and methods of forming electrostatic chucks are disclosed. Exemplary electrostatic chucks include a ceramic body, a device embedded within the ceramic body, and an interface layer formed overlying the device. Exemplary methods include providing ceramic precursor material within a mold, providing a device, coating the device with an interface material to form a coated device, placing the coated device on or within the ceramic precursor material, and sintering the ceramic precursor material to form the electrostatic chuck and an interface layer between the device and ceramic material formed during the step of sintering. |
| US11996311B2 |
Substrate processing apparatus, method of processing substrate, method of manufacturing semiconductor device, and recording medium
There is provided a technique that includes: at least one process chamber in which at least one substrate is processed; a mounting stage configured to be capable of mounting the at least one substrate on the mounting stage; a transport chamber including a conveyor configured to be capable of holding the mounting stage at least two places in a vertical direction and transporting the mounting stage; and a controller configured to be capable of performing a transport control of the conveyor in the transport chamber. |
| US11996308B2 |
Method for mapping wafers in a wafer carrier
The present disclosure relates to a method. The method includes generating a first beam of radiation toward a first slot of a workpiece carrier. The first beam of radiation has a first beam area that is greater than or equal to an area of an opening of the first slot. The method further includes measuring a reflected portion of the first beam of radiation that is reflected toward, and impinges on, a radiation sensor. The method further includes determining if the first slot of the workpiece carrier is holding a workpiece based on the measured reflected portion of the first beam of radiation. |
| US11996304B2 |
Substrate processing device
Disclosed is a heat shielding device which shields heat from a chamber wall to the outside by creating one or more gas insulating layers around a chamber heated to a high temperature, thereby reducing heat loss and power consumed when heating the chamber to a certain temperature and reducing safety problems such as burning of an operator. |
| US11996301B2 |
Modular-component system for gas delivery
In one embodiment, the disclosed apparatus is at least one gas-primitive substrate for use in a gas-delivery box. Each of the at least one gas-primitive substrates has at least one location on which a gas-delivery component is to be mounted. The at least one location has at least a gas-delivery component inlet port and a gas-delivery component outlet port formed within a body of the gas-primitive substrate. At least one first pair of bore holes comprising a gas-flow path is formed on an upstream side and a downstream side, respectively, of the location of the gas-delivery component. Other apparatuses and systems are disclosed. |
| US11996298B2 |
Reversed tone patterning method for dipole incorporation for multiple threshold voltages
A method for processing an integrated circuit includes forming a plurality of transistors. The method utilizes a reversed tone patterning process to selectively drive dipoles into the gate dielectric layers of some of the transistors while preventing dipoles from entering the gate dielectric layers of other transistors. This process can be repeated to produce a plurality of transistors each having different threshold voltages. |
| US11996295B2 |
Pattern forming method and method for manufacturing semiconductor device
According to one embodiment, a pattern forming method includes: forming a first mask layer on a sample; forming a second mask layer on the first mask layer, the second mask layer containing a first inorganic material and a first organic material; forming a pattern in the second mask layer; oxidizing the first inorganic material and removing at least a portion of the first organic material from the second mask layer by exposing the second mask layer to a first oxidizing gas containing ozone; and transferring the pattern to the first mask layer by etching the first mask layer with the second mask layer. |
| US11996293B2 |
Method for metal gate cut and structure thereof
A semiconductor device includes a substrate, a first semiconductor fin and a second semiconductor fin protruding from the substrate, an isolation feature disposed on the substrate and on sidewalls of the first and second semiconductor fins, a gate structure disposed on the isolation feature. The semiconductor device also includes a dielectric fin disposed on the isolation feature and sandwiched between the first and second semiconductor fins. A middle portion of the dielectric fin separates the gate structure into a first gate structure segment engaging the first semiconductor fin and a second gate structure segment engaging the second semiconductor fin. |
| US11996292B2 |
Methods for filling a gap feature on a substrate surface and related semiconductor structures
Methods for filling a gap feature on a substrate surface are disclosure. The methods may include: providing a substrate comprising one or more gap features into a reaction chamber; and depositing a metallic gap-fill film within the gap feature by performing repeated unit cycles of a cyclical deposition process. Semiconductor structures including metallic gap-fill films are also disclosed. |
| US11996290B2 |
Semiconductor structure, method for fabricating thereof, and method for fabricating semiconductor layout
A semiconductor structure, including a plurality of connection patterns disposed on the substrate, and a merged pattern disposed between adjacent two of the connection patterns, wherein the merged pattern includes a first outer line, a central line and a second outer line sequentially arranged along a first direction and connected with each other, and an end surface of the first outer line, an end surface of the central line and an end surface of the second outer line are misaligned along the first direction. |
| US11996287B2 |
Method and apparatus for manufacturing a semiconductor layer and substrate provided therewith
A semiconductor layer and a method and an apparatus for its manufacturing are disclosed. The semiconductor layer includes at least one compound of the formula M1aM21-aN, where M1 is selected from group 13 of the periodic table and M2 is selected from the group comprising scandium, yttrium, erbium, and europium and where the parameter a is selected between 0.01 and 0.99. The method includes supplying a first precursor into a reaction chamber, the first precursor including at least M2 and being supplied to the reaction chamber at a molar flow rate of at least 1·10−6 mol/min by providing the first precursor by means of a first bubbler from which it is evaporated and supplied to the reaction chamber, the temperature of the first bubbler being more than 90° C. |
| US11996276B2 |
Ion collector for use in plasma systems
An ion collector includes a plurality of segments and a plurality of integrators. The plurality of segments are physically separated from one another and spaced around a substrate support. Each of the segments includes a conductive element that is designed to conduct a current based on ions received from a plasma. Each of the plurality of integrators is coupled to a corresponding conductive element. Each of the plurality of integrators is designed to determine an ion distribution for a corresponding conductive element based, at least in part, on the current conducted at the corresponding conductive element. An example benefit of this embodiment includes the ability to determine how uniform the ion distribution is across a wafer being processed by the plasma. |
| US11996275B2 |
Device for radical diagnostic in plasma processing chamber, radical diagnostic system having the same, and operating method thereof
A diagnostic device for diagnosing distribution of a radical in a plasma processing chamber, the diagnostic device, may include a spectrometer receiving an optical signal through at least one optical channel connected to the plasma processing chamber, and performing spectral analysis on the optical signal in response to a synchronization signal corresponding to each of states of a multi-level pulse applied to the plasma processing chamber and a synchronizer generating the synchronization signal corresponding to each of the states of the multi-level pulse. |
| US11996274B2 |
Real-time, non-invasive IEDF plasma sensor
A controller for a plasma generation system includes a model evaluation module receives a sensed value that varies in accordance with a state of a plasma controlled by a RF power generator. The model evaluation module generates a plasma parameter that varies in accordance with the sensed value. A model integration module receives the plasma parameter, integrates the plasma parameter, and outputs an integrated model parameter. An IEDF evaluation module receives the integrated model parameter and generates an ion energy distribution function (IEDF) in accordance with the integrated model parameter. An IEDF controller module receives the IEDF and generates a signal for controlling a RF generator. A RF generator control module receives the signal and generates an RF generator control signal to control at least one of power, frequency, or phase of the RF power generator. |
| US11996269B2 |
Extremum seeking control apparatuses with online parameter adjustment and methods
A power supply system includes a RF power source configured to generate an output signal at an output frequency, a signal source configured to generate a perturbation signal, an extremum seeking frequency controller configured to generate a frequency control signal based on the perturbation signal, and a frequency selector configured to select a perturbation frequency of the perturbation signal that is isolated from at least one frequency tone associated with the power supply system. The frequency control signal varies the output frequency of the RF power source. Other example power supply system, methods for controlling a RF generator, and control systems for controlling a RF generator are also disclosed. |
| US11996265B2 |
System and method for generating and analyzing roughness measurements and their use for process monitoring and control
In one embodiment, a method includes receiving measured linescan information describing a pattern structure of a feature, applying the received measured linescan information to an inverse linescan model that relates measured linescan information to feature geometry information, and identifying, based at least in part on the applying the received measured linescan model to the inverse linescan model, feature geometry information that describes a feature that would produce a linescan corresponding to the received measured linescan information. The method also includes determining, at least in part using the inverse linescan model, feature edge positions of the identified feature, analyzing the feature edge positions to determine errors in the manufacture of the pattern structure, and controlling a lithography tool based on the analysis of the feature edge positions. |
| US11996262B2 |
Fluid transfer system in a charged particle system
Apparatuses, systems, and methods for transferring fluid to a stage in a charged particle beam system are disclosed. In some embodiments, a stage may be configured to secure a wafer, a chamber may be configured to house the stage; and a tube may be provided within the chamber to transfer fluid between the stage and outside of the chamber. The tube may include a first tubular layer of first material, wherein the first material is a flexible polymer; and a second tubular layer of second material, wherein the second material is configured to reduce permeation of fluid or gas through the tube. In some embodiments, a system may include a degasser system outside of the chamber, where the degasser system may be configured to remove gases from the transfer fluid before the transfer fluid enters the tube. |
| US11996253B2 |
High voltage fuse having ring separation prevention structure
There is disclosed a high voltage fuse having a ring separation prevention structure comprising a housing comprising a first housing body and a second housing body which are coupled to each other and formed in a cylindrical shape; a fuse element disposed in the housing; a pair of connectors which are project from both ends of the housing and connected to the fuse element; and a pair of rings which are insertedly coupled to end circumferences of the housing and heat-sealed at multiple locations. |