| Document | Document Title |
|---|---|
| US11330577B2 |
Search space activation for channel monitoring
Methods, systems, and devices for wireless communications are described. A user equipment may be configured to monitor a first set of decoding candidates within a first search space for receiving a physical downlink control channel message. A base station may identify downlink data for the user equipment and may transmit a signal to the user equipment. The user equipment may receive the signal within the first search space. In some cases, the signal may include a command for activating a second search space. The user equipment may monitor a second set of decoding candidates within the second search space based on receiving the signal. The user equipment communicate, with the base station, based on monitoring the first set of decoding candidates within the first search space and the second set of decoding candidates within the second search space. |
| US11330575B2 |
Adaptation of communication parameters for a user equipment
A UE includes a transceiver configured to receive an adaptation request (AR) via a DCI format in a PDCCH. The UE further includes a processor configured to configure the transceiver to operate in a first state associated with a reception of a first DCI format in a first search space set in response to an AR reception outcome, and to operate in a second state associated with a reception of a second DCI format in a second search space set. A BS includes a transceiver configured to transmit an AR via a DCI format in a PDCCH. The BS includes a processor configured to configure the transceiver to operate in a first state associated with a transmission of a first DCI format in a first search space set, and to operate in a second state associated with a transmission of a second DCI format in a second search space set. |
| US11330571B2 |
Random access techniques in beamformed wireless communications
Methods, systems, and devices for wireless communications are described that provide for selection of different sets of transmission beams by a user equipment (UE) for establishing beamformed communications with a base station. Each transmission beam of a first set of transmission beams may have corresponding uplink random access channel (RACH) resources. A UE may monitor for transmission beams from a base station and select a first transmission beam of the first set for communications with the base station. As part of a connection establishment, the base station may provide configuration information that indicates a second set of transmission beams that includes each transmission beam of the first set of transmission beams and at least an additional transmission beam. In some cases, the additional transmission beam may be mapped to a first RACH resource that also corresponds to a first transmission beam of the first set of transmission beams. |
| US11330569B2 |
Multiplexing of multiple uplink control information types on an uplink physical control channel in new radio
Embodiments for determining that a first physical uplink control channel (PUCCH) resource and a second PUCCH resource at least partially overlap are provided. The first PUCCH resource has a payload of a first size carrying a first uplink control information (UCI) in a first format, and the second PUCCH resource has a payload of a second size carrying a second UCI in a second format. Furthermore, the first UCI and the second UCI are multiplexed to form a combined payload to be carried by the first PUCCH resource in the first format or by the second PUCCH resource in the second format. Other embodiments may be described and claimed. |
| US11330566B2 |
Method and device for sidelink communication for supporting multiple beams
A method and a device for a sidelink in a wireless communication system are provided. A transmission terminal supporting a sidelink performs transmission/reception beam pairing by using control information for a sidelink. The transmission terminal and a reception terminal can find an optimum transmission/reception beam pair on the basis of a method of repeatedly transmitting/receiving control information by the sidelink. Therefore, an appropriate transmission/reception beam pair can be found without repeatedly transmitting a synchronization signal. The reception terminal can provide feedback information on the received control information to the transmission terminal. The transmission terminal can determine an optimum transmission/reception beam pair on the basis of the feedback information. |
| US11330564B2 |
Method and device in UE and base station used for wireless communication
The present disclosure discloses a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE receives a first signaling, the first signaling being used to determine a first time-frequency resource; receives a second signaling, the second signaling being used to determine a second time-frequency resource; and transmits a first bit block in the first time-frequency resource, or, transmits a first bit block in the second time-frequency resource. Time domain resource occupied by the first time-frequency resource and time domain resource occupied by the second time-frequency resource are non-orthogonal; the first signaling carries a first identifier or a second identifier; whether the first signaling carries the first identifier or the second identifier is used to determine whether the first bit block is transmitted in the first time-frequency resource or transmitted in the second time-frequency resource. |
| US11330561B2 |
Method and apparatus for determining data feedback resource
This application discloses a method and an apparatus for determining a data feedback resource. The method includes receiving, by a first terminal, first data sent by a second terminal. The method includes determining a feedback resource of the first data. The feedback resource of the first data is a feedback resource in a feedback resource pool. The method includes sending feedback information of the first data to the second terminal on the feedback resource. The feedback information indicates a receiving status of the first data. |
| US11330557B2 |
Apparatuses, systems, methods, and non-transitory computer readable media for reducing signaling messages between a RAN node and a core network
A system, apparatus, method, and non-transitory computer readable medium for reducing and/or optimizing signaling messages between a radio access network (RAN) node and a core network based on an operation mode of the RAN node may include a core network server including: a memory storing computer readable instructions; and at least one processor configured to execute the computer readable instructions to establish a control plane connection with at least one radio access network (RAN) node, the at least one RAN node supporting at least a first connection mode and a second connection mode, determine a connection mode of the at least one RAN node, and restrict transmission of at least one signaling message to the at least one RAN node based on results of the determining the connection mode of the at least one RAN node. |
| US11330554B2 |
Discontinuous reception communication synchronization method and apparatus
The present disclosure relates to discontinuous reception communication synchronization methods and apparatus. One example method includes receiving a system message that is broadcast by a base station and that indicates that the base station supports a capability of extended discontinuous reception (DRX), sending an extended DRX value to a network element of a core network, receiving, from the network element of the core network, extended DRX support information indicating that the network element of the core network supports the extended DRX, calculating a paging time using the extended DRX value, and receiving a paging message delivered from the base station according to the paging time. |
| US11330551B2 |
Method and apparatus for location aware optimal wireless link selection system
A method of selecting an optimal wireless link based on an information handling system location fingerprint may comprise receiving a plurality of wireless signals from a plurality of address-identified wireless local area network (WLAN) access points (APs), detecting a plurality of time of flight (TOF) signal distances between the information handling system and the plurality of address-identified WLAN APs based on the plurality of wireless signals, determining a location fingerprint of the information handling system, relative to the plurality of address-identified WLAN APs, identifying an optimal wireless link associated with the location fingerprint of the information handling system, and automatically establishing the optimal wireless link associated with the location fingerprint of the information handling system. |
| US11330547B2 |
Mobile network policy freshness
Apparatuses, methods, and systems are disclosed for determining mobile network policy freshness. One method (700) includes accessing (702) a first policy associated with a first mobile network, a first policy identifier, and a freshness parameter. The method (700) includes determining (704), based on the freshness parameter, whether the first policy is fresh. The method (700) includes transmitting (706) a registration message to a second mobile network. The registration message includes the first policy identifier in response to determining that the first policy is not fresh. |
| US11330539B2 |
Techniques for synchronization in wireless communications
This application discloses a synchronization signal sending method and a related device. The method includes: generating, a first synchronization signal sequence and a second synchronization signal sequence, where the first synchronization signal sequence is a sequence obtained based on a first m-sequence, the second synchronization signal sequence is a sequence obtained based on a Gold sequence, the Gold sequence is generated based on a second m-sequence and a third m-sequence, and a generator polynomial of the first m-sequence is the same as a generator polynomial of the second m-sequence; mapping, the first synchronization signal sequence onto M subcarriers in a first time unit to obtain a first synchronization signal, and mapping the second synchronization signal sequence onto M subcarriers in a second time unit to obtain a second synchronization signal, where M and N are positive integers greater than 1. |
| US11330535B2 |
Systems and methods for managing cellular multi-connectivity
Systems and methods for managing multiple network connections for user equipment (UE) are disclosed. The systems and methods can monitor power headroom (PHR) reports on one or more networks. When the PHR report for a UE approaches a first predetermined level on a first network, the system can evaluate the UE for a predetermined amount of time. If during the predetermined amount of time, the PHR on the first network increases to a second predetermined level—i.e., to a level where the transmission power used by the UE is closer to a maximum transmission power that the UE can provide—the UE can be instructed to disconnect from the network. This can enable the UE to disconnect in a controlled manner rather than simply letting the connection “drop” due to radio link failure. |
| US11330532B2 |
Power control method and apparatus and communication system
A power control method and apparatus and a communication system. The method includes: a terminal acquires transmission power assistant information when transmission of sidelink information is triggered; and the terminal determines transmission power of the sidelink information according to the transmission power assistant information. With the embodiments of this disclosure, by using a characteristic that an application stratum of the terminal is able to learn a distance between a receiver end and a transmitter end according to a positioning system and/or a map, information related on power setting is provided to an access stratum of the terminal, so as to instruct the terminal or an eNB to set appropriate transmission power. |
| US11330529B2 |
Data transmission method, terminal device, and network device
Provided are a data transmission method, a terminal device, and a network device. The method may include: a terminal device receives a first offset value sent by a network device; the terminal device determines, according to the first offset value, a first transmission power of uplink data of the terminal device, the first transmission power being less than or equal to a second transmission power, the second transmission power being determined by the terminal device according to the anti-interference ability thereof; and the terminal device sends the uplink data to the network device according to the first transmission power. |
| US11330527B2 |
Method and device in UE and base station for power adjustment
The disclosure provides a method and a device in a User Equipment (UE) and a base station for power adjustment. In one embodiment, the UE transmits a first radio signal in a first time window, wherein the first radio signal is used for determining K difference value(s), the K difference value(s) is (are one-to-one) corresponding to K reference power(s), and the reference power is a power estimated for transmission of an uplink channel. Measurement(s) for K antenna port group(s) are used for determining the K reference power(s respectively), the first radio signal is used for determining position(s) of the K antenna port group(s) in L antenna port groups, the antenna port group comprises a positive integer number of antenna ports. The disclosure can support multiple independent closed-loop power control processes for one serving cell or carrier, thereby improving efficiency and performance of uplink power control. |
| US11330526B2 |
System and method for optimizing power consumption in video communications in mobile devices
The present invention provides a system and method for optimizing power consumption in video communication in mobile devices. The system comprises a video codec encoder module, a video codec decoder module and post-processing filtering module (Deblocking filter) modules. The post-processing modules are implemented on a DSP/VLIW processor, while the video encoder and decoder modules are implemented on a CPU with SIMD extensions. This pipelined implementation of modules in multi-core reduces current consumption in the SoC by up to 50 percent compared to an implementation of the modules in a single/multiple DSP/VLIW core. The significant reduction in current consumption of the modules enables reduction of power consumption in the video call time. Thus, the invention provides a simple method of optimizing power consumption by multi core implementation of the modules in a video call in mobile devices. |
| US11330517B2 |
Utilizing network controller to manage association of wireless device to access point within wireless network
Managing an association of a wireless device to an access point of a wireless network is disclosed. Probe requests are received from the wireless device at access points within the wireless network. The probe requests are forwarded from the access points to a network controller. The network controller selects an access point to connect the wireless device to, based on information available thereto. The selected access point is informed that it has been selected. A probe response is provided to the wireless device from the selected access point. |
| US11330516B2 |
Method and system for rat selection in a multi-RAT network
A method, a device, and a non-transitory storage medium provide a radio access technology selection (RAT) service. The RAT selection service includes using traffic pattern information, coverage level information, and load information as a basis to select a RAT of use for an end device that has multi-RAT capabilities. The RAT selection service may select power preservation configurations for each RAT of the end device. |
| US11330515B2 |
Redistributing clients based on comparisons to historical connection metrics
Systems and methods for instituting redistribution of wireless clients to improve service, comprising via access point (AP), multiple APs acting in concert, and/or a central entity, in connection with a network, allowing a client to associate; deciding that an associated client should be redistributed based on a connection metric, wherein the decision is based on at least one of, a probability calculation, network metric and a threshold comparison; and via the AP, sending the associated client a trigger, wherein the trigger is at least one of, a redistribution request and a disconnect message. |
| US11330509B2 |
Method and apparatus for stopping system information request, user equipment and base station
The present disclosure relates to a method and an apparatus for stopping an SI request, user equipment, a base station, and a computer readable storage medium. The method for stopping an SI request includes: if a first system information block (SIB1) indicates that an SI to be acquired by a UE is not being broadcast, sending an SI request to the base station by means of a first message (MSG1) or a third message (MSG3); during waiting for the base station to return an SI response, if an updated SIB1 is acquired and the updated SIB1 indicates that the requested SI is being broadcast, stopping the SI request procedure. In the embodiments of the present disclosure, the SI request can be terminated in advance, thereby reducing wasted UE power consumption and avoiding unnecessary operations. |
| US11330508B1 |
System, method and apparatus for obtaining sensory data
An apparatus for obtaining sensory data is disclosed. The apparatus includes a housing, a battery displaced within the housing, and circuitry displaced at least partially within the housing, the circuitry including an integrated circuit, an accelerometer, and a communications interface. The housing is formed from one or more of hardened plastic, metal, glass or composite. The circuitry further includes a vibration sensor. The communication interface enables communications with external network devices or a cloud server. The circuitry includes logic to perform operations including: receiving signals from one or more network devices; and parsing a first signal to identify (i) a unique identifier of a first network device of the one or more network devices, wherein the first network device transmitted the first signal, and (ii) determine a received signal strength indicator (RSSI) value of the first signal. |
| US11330507B2 |
Early data transmission authorization control
User equipment, UE, includes: a receiver configured to receive a parameter indicating whether the UE is restricted or authorized for transmission of user data in a message transmitted on Uplink Synchronization Channel, UL-SCH, from an access network node; and a hardware processor configured to process instructions to determine whether the transmission of the user data in the message is restricted or authorized based on the parameter. |
| US11330505B2 |
Access control for wireless devices with reduced capabilities
A wireless device receives one or more access control parameters of an access control procedure comprising an access barring check. The access barring check may be for an access attempt that is associated with at least one of a first access category and a first access identity. The at least one of the first access category and the first access identity may be associated with a wireless device of a reduced capability type. The reduced capability type may be associated with reduced capabilities compared to a non-reduced capability type. The wireless device may determine, based on the access barring check and using the one or more access control parameters, whether the access attempt is barred or allowed. |
| US11330499B2 |
Access control method and user equipment
In a wireless communication system of the present disclosure, when activation of a protocol data unit (PDU) session of a user equipment (UE) is needed, the UE performs an access control check to determine whether an access attempt for the PDU session is allowed. If the access attempt is allowed, the UE transmits a service request for the PDU session. The access control check for the PDU session is performed even if the UE is in a connected state. |
| US11330498B2 |
System and method for using mobility information in heterogeneous networks
Disclosed herein are systems and methods related to reducing or making more efficient handovers from one cell to another cell in a communications network. The method includes receiving mobility data for a device being serviced by a first cell, classifying the device based on the mobility data to yield a classification and making a handoff decision when handing off the device from the first cell to a second cell based at least in part on the classification. An example of the mobility data is a speed at which the device is moving or time a device is in a cell. |
| US11330497B2 |
Communication control apparatus, control method thereof, and storage medium
A communication controller (communication control apparatus) acquires, from an MEC node (NW information collection unit), cell transition information for each vehicle that moves in a plurality of cells formed by a plurality of base stations connected to the MEC node. The communication controller determines a vehicle group that is made up of a plurality of vehicles and is to be subjected to uplink transmission control for path-dependent data based on the acquired cell transition information. The communication controller further performs, with respect to the determined vehicle group, transmission control for limiting uplink transmission of path-dependent data to a portion of vehicles that belong to the vehicle group. |
| US11330496B2 |
User equipment and base station apparatus
User equipment communicates with a first base station apparatus included in a first radio communication system and a second base station apparatus included in a second radio communication system, and includes an interference notification generating part that generates an interference notification including information indicating that an device-internal interference at the user equipment is detected or that resolution of device-internal interference is detected; a sending/receiving part that sends the interference notification to the first base station apparatus or the second base station apparatus, and receives a response to the interference notification from the first base station apparatus or the second base station apparatus; and a switching part that switches an uplink transmission scheme based on the response of the interference notification. |
| US11330495B1 |
Network fallback for multimedia priority services
A Next Generation network device receives, from a user equipment device (UE), a Service Request for establishing a Multimedia Priority Services (MPS) session. The Next Generation network device determines whether the Service Request includes a MPS fallback request to request network fallback from a Next Generation network to a Fourth Generation (4G) network for the MPS session. The device causes, based on the Service Request including the MPS fallback request, establishment of the MPS session from the UE device via the 4G network by performing one of: a handover procedure from the Next Generation network to the 4G network, or a Radio Resource Control (RRC) redirection procedure from the Next Generation network to the 4G network. |
| US11330493B2 |
Transmission control method, apparatus, and system
A transmission control method including in a re-allocation process of a first user plane function network element to a second user plane function network element, a session management function network element sends a respective session modification request to each anchor user plane function network element of a plurality of anchor user plane function network elements, where each session modification request includes information about the second user plane function network element; and indicates to only a first anchor user plane function network element in the plurality of anchor user plane function network elements to send an end marker; or sends the end marker to only the first anchor user plane function network element. |
| US11330490B2 |
Vehicle communication system, base station, server apparatus, message transmitting method, vehicle related service providing method, and readable medium
An object of the present invention is to provide a vehicle communication system which distributes information which is necessary in vehicle units. A vehicle communication system according to the present invention includes: a vehicle base station which performs wireless communication with a vehicle terminal installed in a vehicle to receive vehicle related service; and a server apparatus which specifies the vehicle base station of a message distribution destination according to the vehicle related service to be provided, and distributes a message related to the vehicle related service to be provided, to the specified vehicle base station. When receiving the message transmitted from the server apparatus, the vehicle base station transmits the message to the vehicle terminal which subscribes to the vehicle related service related to the message, from a plurality of vehicle terminals and located in a communication area formed by the vehicle base station. |
| US11330488B2 |
Measurement reporting method and apparatus
A measurement reporting method includes: in a first target signaling and a second target signaling, configuring a measurement parameter and a measurement reporting parameter, respectively, for an unmanned aerial vehicle (UAV) in a connection state; then sending the first target signaling and the second target signaling to the UAV, so that the UAV performs target measurement according to the first target signaling, and reporting, after obtaining the measurement parameter, the measurement report including the measurement reporting parameter to the base station according to the second target signaling. The base station can respectively configure a measurement parameter and a measurement reporting parameter for the UAV in a connection state, so that in the flight process, the UAV can normally perform target measurement and report the measurement report of the target measurement, ensuring the accuracy and timeliness of the target measurement and the reporting measurement report of the UAV. |
| US11330484B2 |
Method and device for acquiring terminal capability, and computer storage medium
A method for acquiring terminal capability includes that: a first access network device sends a first handover request message to a second access network device, the first handover request message carrying first UE capability identification information of a terminal. A device for acquiring terminal capability is also provided. |
| US11330481B2 |
Method and device for configuring measurement parameter
The present disclosure provides a method and a device for configuring one or more measurement parameters. The method is applied to a base station, and includes acquiring signal transmission information from a neighboring cell. The signal transmission information includes first information about the transmission of a synchronization signal and/or second information about the transmission of a reference signal for beam measurement. According to the present disclosure, it is able to solve the problem in the related art where it is impossible for a conventional measurement gap configuration mechanism to ensure that a UE is capable of successfully receiving a signal from a neighboring cell. |
| US11330480B2 |
Access control method and apparatus for use in mobile communication
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on 5G communication technology and 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 handover method of a terminal in a mobile communication system according to the present disclosure includes transmitting UE capability information including a random access-free handover indicator to a first base station, receiving a handover command message from the first base station, and transmitting, when the handover command message includes uplink resource information, a handover complete message to a second base station based on the uplink resource information. |
| US11330477B2 |
Apparatus and methods for switching between two bandwith parts
A method for adjusting a terminal operating bandwidth, includes: a base station sends configuration information of at least two BPs to a terminal; and the base station sends a BP adjustment instruction to the terminal, where the BP adjustment instruction carries an identifier of a second BP, the second BP is one of the at least two BPs, the BP adjustment instruction is used to instruct the terminal to switch from a first BP to the second BP at a specified timeslot after the terminal receives the BP adjustment instruction. |
| US11330476B2 |
Systems and methods for latency reduction
Systems and methods presented herein provide for reducing latency in wireless service through a communication link comprising a Modem Termination System (MTS) and a modem. The communication link is coupled with a virtualized wireless link. In one embodiment, a method includes transferring a buffer status report (BSR) from a user equipment (UE) through the communication link to a control portion of the virtualized wireless link, generating a wireless grant to allow the data of the UE through virtualized wireless link, and generating a backhaul grant for the UE to transfer data through the communication link based on the wireless grant information. |
| US11330475B2 |
Method and apparatus for providing rule information in wireless communication system
The disclosure relates to a communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an Internet of things (IoT) technology. The disclosure is applicable to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, and security and safety-related services) based on the 5G communication technology and the IoT-related technology. A method for a control plane to transmit rule information to a user plane is provided. The method includes receiving PPC rule information from a PCF, identifying predetermined policy rule sets for a PDR set based on the PCC rule information, identifying rule set information corresponding to the PDR set, and transmitting the rule set information to the user plane, wherein the PDR set includes multiple pieces of PDR information. |
| US11330474B2 |
Method and apparatus for handling sensitive data in machine to machine system
Disclosed herein are a method and procedure for processing protection data for protecting data privacy in an M2M system. According to an embodiment of the present disclosure, an M2M apparatus located in an M2M platform in an M2M system includes a communicator configured to transmit and receive a signal and a processor configured to control the communicator. Herein, the processor generates a resource at a resource generation request for administering data received by the communicator, generates a resource at a resource generation request for storing the data received by the communicator, determines whether the data received by the communicator are protection data, and when the data are determined as protection data, performs data processing for privacy protection. |
| US11330465B2 |
Method and apparatus for indicating control information in a wireless frame
A method, apparatus and system for transmitting control information in a header of a physical protocol data unit (PPDU), such as an IEEE 802.11 compliant PPDU. Embodiments include indicating control features in an EDMG PPDU for Wireless LAN communications. The method and system may include overloading at least one bit of a Scrambler Initialization Field in the PPDU header (e.g. the PHY header) to convey control information, as well as to be used to initialise the scrambler shift register. The same header bits are thus used for both purposes. Examples of control information include a primary channel, channel width or MIMO configuration to be used in further communication. |
| US11330463B2 |
Scheduling request and buffer status reporting in a mobile communication system
An invention relates to methods for transmitting a buffer status report (BSR) in a mobile communication system, more particularly to the definition of rules for triggering, generating and transmitting BSRs. The invention also relates to a data transmission method utilizing new rules to decide data of which radio bearers is transmitted within a given transmission time interval. Moreover, the invention relates to scheduling method for radio resources that is taking into account additional scheduling-relevant information from the buffer status reporting and/or data transmission method. To avoid unnecessary grants from the network and to suggest an advanced handling of data transmissions the invention suggests a buffer status reporting and data transmission schemes that take into account the scheduling mode of data of radio bearers pending for transmission to decide whether to report on it in a buffer status report, respectively, whether to multiplex the data to a transport block for transmission. |
| US11330460B1 |
EDCA optimization for artificial reality links
Disclosed herein are related to a system and a method of reducing contention in accessing a wireless link. In one aspect, a first device includes a transceiver configured to communicate with a second device via a wireless link. In one aspect, the first device includes a processor configured to determine that a type of content to be transferred between the first device and the second device through the wireless link. In one aspect, the processor is configured to modify one or more parameters for the first device to access the wireless link, from a first set of values to a second set of values, in response to determining that the type of content is artificial reality. In one aspect, the processor is configured to cause the transceiver to access the wireless link using the second set of values. |
| US11330459B2 |
Gap sharing for RLM IN NR
An apparatus and a method are provided, by which a measurement gap sharing scheme is generated by sharing measurement gaps between radio link monitoring measurement, intra-frequency measurement and inter-frequency measurement based on configurations of radio link monitoring reference signals for radio link monitoring and synchronization signal blocks and/or other reference signals used for intra-frequency measurements; measurements including the radio link monitoring measurement, the intra-frequency measurement and inter-frequency measurement are performed according to the measurement gap sharing scheme, and the measurement gap sharing scheme between radio link monitoring measurement, intra-frequency measurement and inter-frequency measurement is changed based on the radio link quality of a serving cell. |
| US11330458B2 |
Systems and methods for detecting an unauthorized airborne device
A device may receive measurement reports for a target device, where the measurement reports include information regarding cells. The device may process the measurement reports and determine whether the target device is airborne. The device may determine, based on determining whether the target device is airborne, whether the target device is authorized to be airborne. The device may determine, based on determining whether the target device is authorized to be airborne, an altitude of the target device to confirm whether the target device is airborne. The device may perform, based on a result of confirming whether the target device is airborne, an action to identify the target device as an unauthorized airborne device and/or manage the target device. |
| US11330457B2 |
Method for beam management with beam indication in wireless communication systems with beamforming
A beam indication (BI) mechanism is proposed to provide user equipment (UE) information of network (NW) beam(s) for later transmission. UE can then select its UE beam(s) for the later transmission based on the BI. In one embodiment, NW provides beam management configuration to UE via Radio Resource Control (RRC) signaling, and then provides beam indication index signaling to UE via MAC-CE or DCI. The beam management configuration comprises a mapping table between network beams and configured reference signal (RS) resources. The beam indication index signaling indicates one or more preferred beam pair links (BPLs). Upon triggering a beam management procedure by the network, UE is able to identify the beam management procedure and selects corresponding UE beam(s) based on the beam management configuration and the beam indication index signaling. |
| US11330456B2 |
Radio link monitoring in power saving mode
A wireless device monitors a first radio link quality on a first plurality of reference signals of a bandwidth part of a cell in a non-power-saving state. The wireless device detects at least a first synchronization status based on the monitoring the first radio link quality. The wireless device receives a downlink control information indicating transitioning from the non-power-saving state to a power saving state. The wireless device monitors, based on the downlink control information, a second radio link quality on a second plurality of reference signals of the bandwidth part. The wireless device detects at least a second synchronization status based on the monitoring the second radio link quality. |
| US11330455B2 |
Indication of pause duration for unlicensed band operation
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive signaling from a base station that identifies a set of channel monitoring parameters associated with monitoring an unlicensed frequency spectrum band, the channel monitoring parameters comprising a length of a pause duration between successive transmission opportunities. The UE may identify a termination of a transmission opportunity in the unlicensed frequency spectrum band. The UE may monitor the unlicensed frequency spectrum band following the termination of the transmission opportunity using the set of channel monitoring parameters. |
| US11330453B2 |
Performing cell measurements
Embodiments described herein relate to methods and apparatus for performing cell measurements. A method in a wireless device comprises receiving a first control message from a base station instructing the wireless device to transition from a first mode of operation to a second mode of operation; and responsive to the control message comprising information relating to at least one first cell measurement parameter, performing a cell measurement according to the at least one first cell measurement parameter. |
| US11330452B2 |
Method and apparatus for allocating PTRS in next generation communication system
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.The present disclosure discloses a method and an apparatus for allocating a PTRS in a next-generation communication system. |
| US11330451B2 |
Service aware closed loop uplink power control optimization
A system can include an evaluation platform that applies models to improve the quality of experience of users impacted by uplink interference at a network cell, such as at a base station. For a user session at a cell, an expected performance with optimized uplink interference can be compared to an actual performance to determine whether the session is impacted. This can include iteratively increasing a hypothetical power parameter and determining uplink interference based on source and neighboring cells. When positively impacted sessions exceed a threshold, the platform can dynamically change the power parameter of the base station to reflect the hypothetical value. |
| US11330445B1 |
Adaptive sectoring of a wireless base station
Apparatuses, methods, and systems for adaptive sectoring of a wireless base station are disclosed. An apparatus includes a base station, wherein the base station includes a communication processing system operative to perform baseband processing of receive or transmit baseband signals. The base station further includes a plurality of antennas, wherein the plurality of antennas are connected to the communication processing system, wherein a plurality of subsets of the plurality of antennas operate to form a plurality of sectors, wherein each sector of each subset of the plurality of antennas is operative to cover a coverage area as determined by a beamforming pattern formed by a subset of the plurality of antennas of the sector, wherein the coverage area of one or more of the sectors is adaptively selected based on an existing cell site located within the coverage area of the one or more sectors. |
| US11330443B2 |
HARQ feedback for configured grant
A wireless device receives configuration parameters of one or more configured grants of an unlicensed cell. The wireless device transmits, based on a configured grant of the one or more configured grants, one or more code block groups of a transport block and a code block group transmission information. The code block group transmission information indicates a presence of the one or more code block groups for the transport block. The wireless device receives a downlink control information comprising a first field and a second field. The first field indicates that the base station received the code block group transmission information. The second field indicates hybrid automatic repeat request feedbacks for the one or more code block groups. |
| US11330439B2 |
Method and apparatus of supporting lossless PDCP version change in next-generation mobile communication system
Disclosed is 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 the Internet of Things (IoT), and may be applied to intelligent services based on 5G and the IoT-related technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method herein by a terminal in a communication system includes receiving a radio resource control (RRC) message including information associated with a change from a first packet data convergence protocol (PDCP) entity for a bearer to a second PDCP entity for the bearer, identifying first data to be transferred from the first PDCP entity to the second PDCP entity among second data stored in the first PDCP entity, transferring the first data to the second PDCP entity, discarding the second data stored in the first PDCP entity and releasing the first PDCP entity, and processing the transferred first data in the second PDCP entity. |
| US11330438B2 |
Active base providing local man-in-the-middle firewall
In accordance with some embodiments, an apparatus for privacy protection includes a housing arranged to hold a personal communication device. The apparatus further includes a remote communication device and a local communication device at least partially supported by the housing, where the remote communication device is operable to provide a remote communication channel between the apparatus and a remote device and the local communication device is operable to provide a local communication channel to the personal communication device. The apparatus additionally includes a security management controller operable to: (a) extract data from communication messages received via the remote communication channel; (b) scan the extracted data in order to identify a first type of extracted data; and (c) send the first type of extracted data to the personal communication device through the local communication channel. |
| US11330437B2 |
Detecting data exfiltration using machine learning on personal e-mail account display names
An e-mail application is identified by parsing a network packet from the network packets. Responsive to the e-mail application identification, a display name associated with the user is extracted and the display name is stored among a plurality of display names in association with the company e-mail address of the user. Responsive to one of the plurality of display names matching a display name of a private e-mail address of the user as a destination of e-mail along with surpassing a threshold amount of data transfer, the user is flagged for possible data exfiltration. |
| US11330436B1 |
Secure two-way communications
A system and method for enabling two-way communication between a residents of a secure facility (inmate, patient, suspect, etc.) and outside parties shares a limited number of telephone numbers (ANIs) by creating distinct communication channels using other data in addition to the shared ANIs. |
| US11330432B2 |
Maintenance system and maintenance method
A maintenance system includes a server device, a terminal device, and an in-vehicle device installed in a vehicle. The server device includes a worker authentication information reception unit configured to receive worker authentication information from the terminal device, a server authentication processing unit configured to perform an authentication process on the worker authentication information, and a server key transmission unit configured to transmit a first key to be used with the in-vehicle device to the terminal device whose worker authentication information has been successfully authenticated by the server authentication processing unit. The terminal device includes a worker authentication information transmission unit configured to transmit the worker authentication information to the server device, a terminal key reception unit configured to receive the first key from the server device, and a terminal authentication processing unit configured to perform an authentication process with the in-vehicle device using the first key. |
| US11330429B2 |
Vehicle digital key sharing service method and system
The present invention relates to a vehicle digital key sharing service method. The vehicle digital key sharing service method according to one embodiment includes a digital registration step in which a management server generates a terminal digital key and a vehicle digital key after user authentication in response to a digital key registration request through a dedicated application of a mobile terminal and the mobile terminal stores the terminal digital key in a secure world that is separated from a normal world and a digital key using step in which an authentication token is generated using the terminal digital key stored in the secure world when the mobile terminal approaches or tags a vehicle and a vehicle device locks or unlocks a door of the vehicle by activating the vehicle digital key, which is registered from the management server, to validate the authentication token. |
| US11330428B2 |
Privacy key in a wireless communication system
Core network equipment (20) in a wireless communication system transmits control plane signaling (22) to a user equipment (16) which receives that control plane signaling (22). The control plane signaling (22) indicates a privacy key (24) with which a subscriber identifier (e.g., an international mobile subscriber identity, IMSI) associated with the user equipment (16) is to be encrypted or decrypted. The control plane signaling (22) may be non-access stratum, NAS, signaling. The privacy key (24) may be a public key of a home network associated with the subscriber identifier. |
| US11330427B2 |
Home automation (HA) system communicating a network address request and network address using first and second wireless protocols and related methods
A home automation (HA) system may include a first HA device having a network address associated therewith. The first HA device may include a first wireless device to receive a network address request using a first wireless protocol, and a second wireless device to transmit the network address using a second wireless protocol. The HA system may also include a second HA device. The second HA device may include a first wireless device to transmit the network address request to the first wireless device of the first HA device. The second HA device may also include a second wireless device receiving the network address and using the network address to communicate with the second wireless device of the first HA device using the second wireless protocol. |
| US11330426B2 |
Method for reporting capability, user equipment, and network device
Provided is a method for reporting capability, user equipment, and a computer storage medium. The method includes: determining a support capability for a supplementary uplink (SUL) frequency; generating indication information of the support capability of UE for the SUL frequency based on the support capability for the SUL frequency; and reporting the indication information of the support capability for the SUL frequency to a network side. |
| US11330422B2 |
Mobile communication devices and methods for managing connections associated with multiple subscriber numbers
A method for managing connections associated with multiple subscriber numbers is provided. The method includes the following steps: using a first subscriber number and a second subscriber number to establish two data connections with two mobile communication networks; receiving a QoS update notification from one of the wireless transceivers in response to the first data connection being used for data transfer of an application; and enabling the data transfer of the application to switch from the first data connection to the second data connection in response to the QoS update notification indicating that the QoS of the first data connection fails to support the application and the QoS of the second data connection is capable of supporting the application. Advantageously, the performance requirement of the application may be maintained after switching to the second data connection, thereby ensuring smooth operation of the application. |
| US11330420B2 |
Wireless local area network roaming method and communications apparatus
A wireless local area network roaming method and a communications apparatus are provided, to improve a roaming effect of a terminal device in a wireless local area network. In the method, a control device selects, in place of a terminal device, an optimal roaming access point of the terminal device, to reduce a time consumed for determining the optimal roaming AP. After the optimal roaming access point of the terminal device is determined, an associated access point instructs the terminal device to attempt to roam to the optimal roaming access point. Because duration required for searching for the optimal roaming AP is reduced, a probability of data loss of the terminal device in a roaming process can be reduced, and a roaming effect of the terminal device in the wireless local area network is improved. |
| US11330418B2 |
Lone worker safely check
A lone worker system for performing a safety check is provided. The lone worker system includes a mobile device. The mobile device includes a memory storing a safety check application thereon and a processor. The processor is coupled to the memory and executes the safety check application. The processor initiates the safety check application with respect to the service call. The safety check application executes a use-case safety monitoring of the mobile device with respect to a service call to implement the safety check. The use-case safety monitoring detects an emergency situation with respect to a connectivity of the mobile device to a server, an activity of the mobile device, and a motion of the mobile device. |
| US11330416B2 |
Wireless bluetooth communication mechanism capable of effectively reducing number of audio packet retransmission
A method applied into a controller of a wireless Bluetooth device includes: providing a first flag and a second flag; asserting the first flag when the controller successfully receives the particular packet transmitted from the audio gateway; asserting the second flag when the controller successfully receives an acknowledgement from a secondary device wherein a reception of the acknowledgement indicates that the secondary device successfully receives the particular packet; and transmitting an acknowledgement of a particular packet to an audio gateway when the first flag and the second flag are asserted. |
| US11330411B2 |
Inter-radio access technology interference cancellation
Methods, systems, and devices for wireless communications are described. The method may include an interference estimation procedure that measures interference from radio access technologies (RATs) different from cellular vehicle to everything (CV2X) on the CV2X network at a user equipment (UE). A UE may record measurements of interference on the CV2X network when no CV2X signal is present during the last symbol of a subframe. Then, the UE may estimate the noise plus interference measured during the empty symbol to improve noise plus interference whitening when decoding a subframe. |
| US11330410B2 |
Pathside communication relay (PCR) for collecting and distributing pathside data among client devices
Pathside communication relay (PCR) for collecting and distributing pathside data among client devices. The PCR collects client data from client devices (such as vehicles, pedestrians, and roadside infrastructure) and sensor data from sensors. The PCR processes the collected client data and sensor data and generates pathside data to be distributed among the client devices. In some examples, the PCR includes wireless telecommunication circuitry for distributing the pathside data over dedicated short-range communications (DSRC) signals using the Wireless Access in Vehicular Environments (WAVE) protocol and/or Cellular-Vehicle to everything (Cellular-V2X) communications. The pathside data can include location data of client devices and other objects, ambient conditions, traffic data, and other information to facilitate improved decision-making (such as collision avoidance) by client devices. |
| US11330399B2 |
Anomaly predictor for physical safety of group members
In non-limiting examples of the present disclosure, systems, methods and devices for surfacing alerts are provided. A monitoring service may monitor a plurality of devices associated with a group. The group may include a plurality of accounts. Each account may be associated with a different location control list. The location control list may include locational information comprising geocoordinates of locations that a corresponding user is approved to visit and temporal information corresponding to times, days of the week, and/or dates when a corresponding user is approved to visit a location. If a determination is made that a device associated with an account is at a location that is not included in a location control list for the account, an anomaly alert may be surfaced on one or more devices associated with other group members. The alert may be surfaced in association with a safety score for the location. |
| US11330394B2 |
Early warning method and device based on WIFI signal strength disturbance, and storage medium
The present disclosure provides an early warning method and an early warning device based on WIFI signal strength disturbance, and a storage medium. The early warning method includes receiving and analyzing WIFI signals in a monitoring area in real time to obtain amplitude and phase of a current WIFI signal in the monitoring area; determining whether the amplitude and the phase of the current WIFI signal are disturbed according to a difference between the amplitude and the phase of the current WIFI signal and those of a previous WIFI signal; and sending out an early warning signal when it is determined that the amplitude and the phase of the current WIFI signal are disturbed. |
| US11330389B2 |
Playing binaural sound clips during an electronic communication
A method plays sound clips in binaural sound to users during an electronic communication between two or more users. A processor convolves the sound clips with HRTFs so the sound externally localize away from a head of the user listening to the sound clip. The sound clips play to users during the electronic communication without transmitting the sound clips to electronic devices of the users. |
| US11330388B2 |
Audio source spatialization relative to orientation sensor and output
An audio customization system operates to enhance a user's audio environment. A user may wear headphones and specify what portion the ambient audio and/or source audio will be transmitted to the headphones or the personal speaker system. The audio signal may be enhanced by application of a spatialized transformation using a spatialization engine such as head-related transfer functions so that at least a portion of the audio presented to the personal speaker system will appear to originate from a particular direction. The direction may be modified in response to movement of the personal speaker system. |
| US11330386B2 |
Apparatus and method for realizing a SAOC downmix of 3D audio content
An apparatus for generating one or more audio output channels is provided. The apparatus includes a parameter processor for calculating output channel mixing information and a downmix processor for generating the one or more audio output channels. The downmix processor is configured to receive an audio transport signal including one or more audio transport channels, wherein two or more audio object signals are mixed within the audio transport signal, and wherein the number of the one or more audio transport channels is smaller than the number of the two or more audio object signals. The audio transport signal depends on a first mixing rule and on a second mixing rule. The first mixing rule indicates how to mix the two or more audio object signals to obtain a plurality of premixed channels. Moreover, the second mixing rule indicates how to mix the plurality of premixed channels. |
| US11330385B2 |
Audio device
A method and system dynamically adjusts the audio of an audio and video signal to improve its overall sound quality and dialog intelligibility. Some embodiments use gain, equalization, audio signal compression and spatial enhancement (reverb) on individual channels of a multichannel audio signal. |
| US11330384B2 |
Artificial intelligence device for diagnosing failure and method thereof
Disclosed herein is an artificial intelligence device including a communication interface configured to receive a reference signal in a time domain for echo cancellation of an external device and a processor configured to determine whether a spectral density at at least one test target frequency is less than or equal to a preset spectral density reference value at at least one test target time point and determine that a failure occurs in an audio component when the spectral density is less than or equal to the preset spectral density reference value. |
| US11330380B2 |
Modularization of components of an ear-wearable device
An ear-wearable device is described that includes a plurality of modules that mate together forming a physical outer shell of the ear-wearable device. Each module from the plurality of modules is associated with a different, corresponding feature of the ear-wearable device and each module from the plurality of modules includes a respective physical portion that comprises a different, corresponding part of the outer shell. In addition, each module from the plurality of modules shares a physical interface with at least one other module from the plurality of modules. |
| US11330378B1 |
Hearing device comprising a recurrent neural network and a method of processing an audio signal
A hearing device, e.g. a hearing aid or a headset, configured to be worn by a user at or in an ear or to be fully or partially implanted in the head at an ear of the user comprises an input unit for providing at least one electric input signal in a time-frequency representation and a signal processor comprising a neural network configured to provide respective gain values G(k,t) in said time-frequency representation for reducing noise components in said at least one electric input signal. The neural network comprises at least one layer defined as a modified gated recurrent unit, termed Peak GRU, comprising memory in the form of a hidden state vector h, and wherein an output vector o is provided by said Peak GRU in dependence of an input vector x and said hidden state vector h, wherein an output o(j,t) of the Peak GRU at a given time step t is stored as said hidden state h(j,t) and used in the calculation of the output o(j,t+1) in the next time step t+1. The signal processor is configured to provide that the number of updated channels among Nch processing channels of the Peak GRU for said input vector x(t) and said hidden state vector h(t−1) at said given time instance t is limited to a number of peak values Np, where Np is smaller than Nch. A method of operating a hearing device is further disclosed. |
| US11330371B2 |
Audio control based on room correction and head related transfer function
An audio reproduction device and method for audio control based on room-correction (RC) and head related transfer function (HRTF) are provided. The audio reproduction device includes a speaker that reproduces a first audio signal. The audio reproduction device receives a plurality of second audio signals indicative of frequency responses captured based on the first audio signal and captured by a plurality of audio capturing devices positioned on a head wearable device of a user present within an enclosed physical space. The audio reproduction device determines RC preset for one or more RC filters associated with the speaker, based on the captured frequency responses. The audio reproduction device further determines HRTF associated with the user based on the captured frequency responses, and user-specific information of the user. The audio reproduction device further controls audio reproduction of the speaker based on the determined RC preset and the determined HRTF. |
| US11330370B2 |
Loudness control methods and devices
Audio data in a first format may be processed to produce audio data in a second format, which may be a reduced or simplified version of the first format. A loudness correction process may produce loudness-corrected audio data in the second format. A first power of the audio data in the second format and a second power of the loudness-corrected audio data in the second format may be determined. A second-format loudness correction factor for the audio data in the second format may be based, at least in part, on a power ratio between the first power and the second power. A first-format loudness correction factor for the audio data in the first format may be based, at least in part, on the power ratio and a power relationship between the audio data in the first format and the audio data in the second format. |
| US11330368B2 |
Portable microphone array apparatus and system and processing method
An apparatus, system and method for a portable microphone array system comprising a computing device and a case having an array of microphones embedded or integrated into the case. A user may position the laptop and case facing the general direction of a target audio source to capture a target acoustic audio input at the microphone array. The microphone array may deliver a first stage of beamformed audio from the acoustic audio input to the computing device via a communications interface or bus. The computing device may comprise an audio processor configured to perform one or more successive audio processing steps to process the audio input and render a digital audio output. The digital audio output may be outputted from the computing device to an audio output device, such as headphones or an earpiece. |
| US11330364B1 |
Ported speaker assembly
A ported speaker assembly includes an outer enclosure having a front opening. An inner frame of the speaker assembly is positioned at least partially within the outer enclosure and has an outer perimeter edge proximate the front opening of the outer enclosure. A resonator chamber is defined between an interior of the outer enclosure and an exterior of the inner frame. At least one speaker driver is mounted to the inner frame and configured to emit sound from a front end of the ported speaker assembly. A perimeter port is formed between the outer perimeter portion of the inner frame and the front opening of the outer enclosure. The perimeter port extends uninterrupted to encircle the outer perimeter portion. A plurality of fastener joints secure the inner frame to the outer enclosure, and at least some are distributed around multiple sides of the inner frame and positioned closer to the front opening of the outer enclosure than a rear end of the inner frame. |
| US11330363B2 |
Speaker and mobile terminal
This application provides a speaker and a mobile terminal. The speaker includes a housing and a kernel located in the housing, where there is a front cavity and a rear cavity in the housing, the front cavity is in communication with the outside, and the rear cavity is an isolated cavity. In addition, to reduce a space area occupied by the entire speaker, the front cavity and the rear cavity are disposed in a stacked manner when being disposed. Specifically, the front cavity and the rear cavity are at least partially stacked along a thickness direction of the kernel. Therefore, the rear cavity is disposed in space of the entire speaker in the thickness direction of the kernel, to reduce an area occupied by the entire speaker in the mobile terminal on the premise that a size of the rear cavity meets a requirement. |
| US11330357B2 |
Flat headset
A flat headset is provided, comprising: a flexible belt body (1) configured to be looped around a head, and two headset bodies (4) fixed to the flexible belt body (1). The headset bodies (4) have flat structure, and at least parts of the headset bodies (4) protrude from one edge of the flexible belt body (1), and are provided with sound output holes (2) on a side away from the flexible belt body (1). When the flexible belt body (1) is fixed to the head, the two headset bodies (4) are held on front upper sides of two ears, and the sound output holes (2) are close to ear canals. The flat headset of the present disclosure does not compress the ear canals and ears, is more comfortable to use, and can prevent the headsets from falling off due to vibration and sweat during exercise. |
| US11330356B2 |
Headphones and headphone systems
Some headphone systems include two ear cups, a headband assembly, an interface system and a control system. Each ear cup may include an ear cup enclosure, an ear pad assembly, a speaker system and a hinge assembly. The hinge assembly may be disposed within the ear cup enclosure such that it is not visible from outside the ear cup. The headband assembly may connect with each of the ear cups via the hinge assembly. The interface system may include at least one interface and a plurality of input source buttons disposed on at least one of the ear cups. Each of the input source buttons may be configured for selecting a source of audio data received via the at least one interface. The control system may be configured for controlling the speaker system to reproduce audio data received via the interface and selected by one of the input source buttons. |
| US11330353B1 |
Dual-arm radio headset
A communications system includes a support band, a speaker, and two arms disposed on opposite ends of the support band. The speaker allows the user to receive radio communications. A first arm may comprise a communication subassembly, allowing for the user to send radio communications. The first and second arms may pivot about its connection to the support band. A second arm comprises a shield subassembly, whereby the shield subassembly may completely cover the mouth and nose of the user to prevent the exit and entrance of airborne particles. The shield assembly may comprise a medical-grade material disposed between two layers of plastic. The shield assembly may be disposable. |
| US11330352B2 |
Audio microphone stand
A device for holding an audio microphone is disclosed. The microphone holding device includes a base section having a base plate connected to a riser block that engages with a tube of a microphone holding section to enable rotation of the microphone holding section from a horizontal orientation to a vertical orientation. The device also includes an expander shaft section including an expander shaft coupled at one end with the tube and at another end with base plate. The expander shaft expands from a compressed shaft to an expanded shaft when the microphone holding section rotates from the horizontal orientation to the vertical orientation to assist in holding the microphone holding section in the vertical orientation. |
| US11330344B2 |
Receiving apparatus, transmitting apparatus, and data processing method
This technology relates to a receiving apparatus, a transmitting apparatus, and a data processing method for displaying emergency information communicated in an emergency at appropriate positions.The receiving apparatus acquires metadata transmitted by a digital broadcast signal, the metadata including first emergency information required to be announced urgently and display position information indicating whether there is second emergency information embedded in uncompressed video data, the display position information further indicating, if the second emergency information is embedded in the uncompressed video data, the display position of the second emergency information on a screen. The receiving apparatus processes the metadata to determine whether the second emergency information is embedded in the uncompressed video data and, if the second emergency information is embedded in the uncompressed video data, displays the first emergency information at a position different from the display position of the second emergency information on the screen. This technology applies to television receivers, for example. |
| US11330341B1 |
System, method, and protocol for transmission of video and audio data
An improved backhaul protocol is provided, as well as computer-implemented systems and methods for autonomously broadcasting video data, audio data, or video and audio data during an event, wherein the broadcasting can be scheduled in advance and from a remote location (e.g., using a web browser), and wherein the video/audio data is streamed to a remote user over a network using the improved backhaul protocol. |
| US11330340B2 |
Information processing apparatus, information processing method, and information processing program
An information processing apparatus includes: a storage that stores templates defining a display form of a ticker; a selection unit that selects a template stored in the storage; a material data acquisition unit that acquires material data to be displayed on the ticker; a production unit that produces ticker data by applying the template selected by the selection unit to the material data acquired by the material data acquisition unit; and a provision unit that provides provision data including the ticker data produced by the production unit. |
| US11330339B2 |
Method and system to dynamically configure subtitles through wearable devices
A method, system and non-transitory computer readable media for dynamically configuring device settings. The equipment device (e.g., set-to box, TV or the like) stores in a memory a plurality of settings profiles, wherein each settings profile is a structured data set related to a wearable computing device including at least a device identifier associated with the related wearable computing device and one or more device settings. The equipment device detects a wearable computing device, wherein detecting the wearable computing device includes identifying a specific device identifier associated with the detected wearable computing device. A querying module of the equipment device executes a query on the memory to identify a specific settings profile where the included device identifier corresponds to the specific device identifier. The equipment device adjusts the device settings based on the one or more device settings included in the identified specific settings profile. |
| US11330338B2 |
Method and system of displaying video comments, computing device, and readable storage medium
The present disclosure describes techniques for displaying comments on videos. The disclosed techniques include obtaining a first list comprising a plurality of comment messages and a second list configured to store address information corresponding to at least one reusable comment style; determining whether the second list comprises the address information in response to a determination that a target comment message among the plurality of comment messages is initialized; selecting a piece of address information corresponding to a target comment style among the at least one reusable comment style in response to a determination that the second list comprises the address information; and generating a target comment object based on the target comment message and the target comment style corresponding to the selected piece of address information, wherein the target comment style comprises data indicative of effects of presenting the target comment message on a display device. |
| US11330335B1 |
Presentation and management of audio and visual content across devices
Systems, methods, and computer-readable media are disclosed for systems and methods of presentation and management of audio and visual content across devices. Example methods may include causing presentation of first audio content at a speaker device, causing presentation of a first audio notification indicative of visual content available for presentation, causing presentation of second audio content after the first audio notification, and sending first visual content to a first display device for presentation during presentation of the second audio content. |
| US11330332B2 |
Systems and methods for transmission of data streams
Systems and methods for real-time transmission of data streams are disclosed. A controller receives data representing selected stream parameters from a browser residing on a computing device. The controller transmits the received data to a video transmitting device. A transcoder receives a first data stream generated according to the selected stream parameters from the video transmitting device. The transcoder generates a second data stream from the first data stream, the second data stream formatted for browser display; and then transmits the second data stream to the browser. A user may remotely control the video transmitting device using the browser. A user may view data streams from multiple video transmitting devices using the browser. |
| US11330331B2 |
Proactive detection of media item matching
A system and method for detection of media items matching is disclosed. In an implementation, the method includes identifying a first media item associated with a channel of a first user; determining whether the first media item qualifies as a candidate reference media item based on properties of the first media item and the channel; analyzing content of the first media item to determine whether a first threshold amount of frames of the first media item does not match with any frame of any previously uploaded media item; selecting the first media item as a reference media item; detecting a subsequently uploaded media item that includes at least a second threshold portion of the reference media item; and providing a graphical user interface (GUI) for presentation to the first user, the GUI including the subsequently uploaded media item and one or more actions to be initiated by the first user. |
| US11330327B2 |
Multimedia material processing method, apparatus, and multimedia playback device
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for multimedia playback. One of the methods includes: receiving, by a multimedia playback device from a multimedia server, a list indicating a plurality of multimedia files; caching, by the multimedia playback device, the plurality of multimedia files in a cache storage of the multimedia playback device; requesting, by the multimedia playback device from the multimedia server, an indication of a primary multimedia file to be played by the multimedia playback device; determining, by the multimedia playback device, a secondary multimedia file from the plurality of multimedia files to be played by the multimedia playback device; and playing, by the multimedia playback device, the secondary multimedia file when a playback condition of playing the secondary multimedia file is satisfied. |
| US11330326B2 |
Methods and systems for enabling communications between devices
Methods and systems for selecting and delivering content are provided. More particularly, content can be delivered to an output device from a user device through a device adaptor, such as an over-the-top (OTT) device. The OTT device or devices available to the user device are determined by a communication server. In particular, the OTT device or devices available to the user device are limited to those OTT devices associated with an output device in the user's room, or that the user is otherwise authorized to access. |
| US11330317B2 |
Methods and systems for discovery of a processing offloader
Introduced here are systems to manage and discover a processing offloader. A first multimedia device may identify a processing offloader in a networked environment. A first multimedia device may determine that a bandwidth of a second multimedia device in the networked environment falls below a threshold bandwidth, indicating that the second multimedia device may process instructions and render multimedia information with increased latency or delay. Based on this determination, the first multimedia device may forward instructions from the second multimedia device to the processing offloader for the processing offloader to process and render multimedia information on behalf of the second multimedia device based on the received instructions. The first multimedia device may forward rendered multimedia information from the processing offloader to the second multimedia device, and the second multimedia device may output the rendered multimedia information to an output device. |
| US11330316B2 |
Media streaming
There is disclosed a system for providing streaming services, comprising: a plurality of capture devices, each for capturing data and providing a captured data stream; and a server, for receiving the plurality of captured data streams; wherein each capture device is configured to generate metadata for the captured data, and transmit said metadata to the server. |
| US11330309B2 |
Foviation and HDR
First foviated images are streamed to a streaming client. The first foviated images with first image metadata sets are used to generate first display mapped images for rendering to a viewer at first time points. View direction data is collected and used to determine a second view direction of the viewer at a second time point. A second foviated image and a second image metadata set are generated from a second HDR source image in reference to the second view direction of the viewer and used to generate a second display mapped image for rendering to the viewer at the second time point. The second image metadata set comprises a display management metadata portions for adapting a focal-vision and peripheral-vision image portions to corresponding image portions in the second display mapped image. The focal-vision display management metadata portion is generated with a predicted light adaptation level of the viewer for the second time point. The second foviated image and the second image metadata set are transmitted to the video streaming client. |
| US11330308B1 |
Interrupting presentation of content data to present additional content in response to reaching a timepoint relating to the content data and notifying a server
System for present content. The system includes means for receiving a set of timepoints relating to a content data and means for generating display signals based on the content data. The system also includes means for sending display signals to a display device that represent the content data and means for notifying a server over the Internet, that a timepoint among the set of timepoints has been reached in the content data. The system also includes means for receiving, from the server, via the Internet, an identification of one or more particular additional content and in response to receiving the identification of the one or more particular additional content from the server, means for interrupting presentation of the content data; and presenting the one or more particular additional content. The system further includes means for resuming, presentation of the content data after presenting the one or more particular additional content. |
| US11330306B2 |
Method and apparatus for video coding
Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes receiving circuitry and processing circuitry. The processing circuitry receives coded information of a block that is encoded in a palette based coding mode. The block is a beginning of a predefined coding region that includes one or more coding tree units (CTUs). The processing circuitry further determines a palette for the block independently of palette information of one or more previously decoded blocks of the palette based coding mode, and decodes pixels of the block based on the coded information of the block and the determined palette for the block. |
| US11330305B2 |
Signaling constraints and sequence parameter set sharing in video coding
An example device includes memory configured to store video data and one or more processors implemented in circuitry and communicatively coupled to the memory. The one or more processors are configured to determine whether a picture of the video data is an intra random access picture (IRAP) and determine whether all layers of the picture are independent. Based on the picture being an IRAP and all layers of the picture being independent, the one or more processors are configured to determine a value of a first syntax element to be indicative of an inter slice not being allowed in the picture and code the picture without using inter slice prediction. |
| US11330304B2 |
Video stream protection device, method and storage medium
A video stream protection device is for protecting a video stream to be decoded. The video stream contains one or more data units each having a header section and a body section, and the header section contains header information indicative of a data type of the corresponding body section. The video stream protection device comprises: an identification module for identifying the one or more data units based on respective start positions of the one or more data units; a data type detection module for obtaining the header information of the identified data units, and determining the data type of the body section of each identified data unit based on the header information of the identified data unit; and a control module for determining whether to prohibit decoding of data of each data unit based on the data type of the body section of the data unit. |
| US11330303B2 |
Transmission device, transmission method, reception device, and reception method
To favorably transmit both of HDR image data and LDR image data. First transmission image data and second transmission image data are divided into layers and encoded, the first transmission image data being obtained by applying photo-electric conversion to first input image data having a contrast ratio of from 0 to 100% to brightness of a white peak of a conventional LDR image, and the second transmission image data being obtained by applying photo-electric conversion to second input image data having a contrast ratio of from 0 to 100%*N (N is a number larger than 1), the contrast ratio exceeding the brightness of the conventional white peak, and a video stream having encoded image data of pictures of the layers is generated. A container in a predetermined format including the video stream is transmitted. |
| US11330299B2 |
Intra prediction method and device and computer-readable storage medium
An intra prediction method and device and a computer-readable storage medium, the method comprising: configuring actual angle modes indicated by relative angle numbers, wherein the relative angle numbers are successively represented within a prediction direction range corresponding to a preset width and height relationship; starting from a starting angle, using a corresponding actual angle mode after sampling preset angle sample points, said starting angle being determined according to the width and height relationship of processing blocks and the prediction direction range corresponding to the preset width and height relationship, and actual angles having a one-to-one correspondence with the actual angle modes. |
| US11330297B2 |
Methods incorporating extensions to copy-above mode for palette mode coding
Methods incorporating extensions to copy-above mode for palette mode coding are disclosed. In one aspect, the method includes coding a current pixel of a current block of video data in copy-previous mode via coding a previous line index. The coding of the current pixel in copy-previous mode further including identifying a number of candidate values for the previous line index, identifying a number of escape pixels in a column of pixels above the current pixel in the current block, and reducing a number of candidate values of the previous line index by the number of identified escape pixels. |
| US11330295B2 |
Determining inter-view prediction areas in images captured with a multi-camera device
An apparatus comprising a multi-camera device including at least two cameras and a controller for receiving image data from the cameras, determining which areas of the images to enable for inter-view prediction, wherein the determination is based on imaging characteristics of the cameras and relative locations and orientations of the cameras within the multi-camera device, and enabling inter-view prediction for the determined areas of the images. |
| US11330293B2 |
Scaling video processing complexity based on power savings factor
A method of scaling complexity of a video processing system including determining a power saving factor based on an operating parameter and adjusting processing of video information based on the power saving factor to reduce computation complexity. The operating parameter may include available power and/or available processing capacity. A method of complexity scalability for a video processing system using prioritized layered coding including determining a power saving factor based on one or more metrics, such as power capacity and/or available processing capacity, and reducing processing complexity of multiple prioritized coding functions in a predetermined order of priority based on the level of the power saving factor. A video processing system including a power management circuit which determines the power saving factor and a video encoder system which correspondingly adjusts computation complexity. |
| US11330292B2 |
Image coding method for encoding a difference motion vector into and decoding a difference motion vector from a bitstream
An image coding method includes coding a motion vector difference indicating a difference between the motion vector and a predicted motion vector, wherein the coding includes: coding a first portion that is a part of a first component which is one of a horizontal component and a vertical component of the motion vector difference; coding a second portion that is a part of a second component which is different from the first component and is the other one of the horizontal component and the vertical component; coding a third portion that is a part of the first component and is different from the first portion; coding a fourth portion that is a part of the second component and is different from the second portion; and generating a code string which includes the first portion, the second portion, the third portion, and the fourth portion in the stated order. |
| US11330282B2 |
Encoding and decoding with signaling of SAO parameters
An encoding method includes a counting process of dividing a gray-scale range of pixels of a coding unit block into a plurality of classes each having a predetermined number of gray-scale levels, and counting a number of pixels belonging to each of the plurality of classes, a class addition process of selecting top n classes (n: an integer greater than or equal to 1) having a largest number of counted pixels, and adding offset values to pixel values of pixels belonging to the n selected classes; and a first signaling process of signaling SAO parameters including the added offset values. |
| US11330280B2 |
Frame-level super-resolution-based video coding
A method of encoding a video frame into a bitstream is described including: applying a downsampling scheme to an original video frame of a first resolution for determining a first low-resolution, LR, original frame and one or more second original LR frames, the first LR original frame and the one or more second LR original frames being of a second resolution that is lower than the first resolution; partitioning the first LR original frame into first original blocks and partitioning the one or more second LR frames into second original blocks; using a prediction method for determining first predicted blocks, the first predicted blocks defining predictions for the first original blocks of the first LR original frame; determining first residual blocks based on the first predicted blocks and the first original blocks and, subsequently, determining first reconstructed blocks based on the first residual blocks and the first predicted blocks; determining second predicted blocks based on the first reconstructed blocks, the second predicted blocks defining predictions for the second original blocks of the one or more second LR original frames; determining second residual blocks based on the second predicted blocks and the second original blocks; and, transforming the first residual blocks and second residual blocks into a bitstream, the bitstream including metadata for signalling a decoder apparatus that during the encoding a downsampling scheme was used for downsampling the video frame. |
| US11330278B2 |
Chroma adjustment with color components in color spaces in video coding
A processing for a first pixel in a picture comprises setting upper and/or lower limits of a first color component of the first pixel in a first color space to a respective fixed value if a maximum and/or minimum value of the first color component in the first color space results in a color component in a second color space that is below a first value of the color component in the second color space and above a second value of the color component in the second color space. A filtered value is obtained of the first color component and which is equal to or larger than the lower limit and equal to or lower than the upper limit. The processing results in filtered values that are cheaper to encode but that are visibly undistinguishable from the original colors of the pixels. |
| US11330273B2 |
In-loop filtering method and apparatus for same
According to the present invention, an image-encoding method comprises the following steps: receiving image information; generating a restored block for the current block based on the image information; and generating a finally restored block for the current block by applying an in-loop filter to the restored block on the basis of the image information. According to the present invention, image-encoding/decoding efficiency may be improved. |
| US11330264B2 |
Training method, image encoding method, image decoding method and apparatuses thereof
Embodiments of this disclosure provide a training method, an image encoding method, an image decoding method and apparatuses thereof. The image encoding apparatus includes: an image encoder configured to encode input image data to obtain a latent variable; a quantizer configured to perform quantizing processing on the latent variable according to a quantization step to generate a quantized latent variable; and an entropy encoder configured to perform entropy coding on the quantized latent variable by using an entropy model to form a bit stream. |
| US11330262B2 |
Local image enhancing method and apparatus
A local image enhancing method includes: obtaining a region or object selected by a user; generating selection parameters according to the selected region or object; enhancing the selected region or object according to the selection parameters, and generating an image of the enhanced selected region or object; or, sending the selection parameters to a peer end; the peer end enhancing the selected region or object according to the selection parameters; returning the image of the enhanced selected region or object. The embodiments of the present document further provide a local image enhancing apparatus. The embodiments of the present document may enhance the corresponding region according to the user selection. |
| US11330258B1 |
Method and system to enhance video quality in compressed video by manipulating bit usage
Methods and systems for adjusting bit usage during encoding of the image blocks of a picture or a frame are disclosed. According to one embodiment, a method is provided for adjusting bit usage in video compression. The method includes obtaining an estimated bit or byte size of an image block of a video frame, and determining whether the estimated size is less than a first selected threshold. An adjustment to a quantization parameter (QP) is selected based on the determination, so that the actual bit/byte size of the block may be adjusted according to a target size. |
| US11330253B2 |
On-car stray-light testing cart
Methods, systems, and apparatus for a stray-light testing apparatus. In one aspect, the apparatus includes an optical assembly including a spatially extended light source and one or more optical elements arranged to direct light from the spatially extended light source along an optical path, a moveable frame supporting the optical assembly including one or more adjustable alignment features for guiding positioning of the stray-light testing apparatus relative to an onboard camera on a vehicle, and a shrouding mechanism attached to the frame and positioned on the frame such that, when the stray-light testing apparatus is aligned relative to the onboard camera on the vehicle and the optical path of the optical assembly is within the field of view of the onboard camera, ambient light exposure for the onboard camera is below a threshold. |
| US11330239B2 |
Methods, systems, and devices for adjusting image content for streaming panoramic video content
Aspects of the subject disclosure may include, for example, obtaining image content over a communication network, determining a predicted viewpoint of a user associated with the image content, and adjusting the image content to equirectangular image content according to the predicted viewpoint. Further aspects can include downscaling the equirectangular image content according to a display capability of a mobile device resulting in a downscaled equirectangular image content, cropping the downscaled equirectangular image content resulting in a cropped equirectangular image content, and providing, over the communication network, the cropped equirectangular image content to the mobile device. Other embodiments are disclosed. |
| US11330231B2 |
Imaging apparatus, control method thereof, and recording medium
An imaging apparatus includes a communication unit, an operation unit, and an imaging unit to capture an image as imaging data, and a recording unit. Where connection is established with an external apparatus, identification information about the external apparatus is recorded. Where the image is captured in a state where the identification information about the external apparatus is recorded, the recording unit records, as a transmission target, the imaging data captured by the imaging unit. Where an operation to transition from a first state to a second state having power consumption lower than that of the first state is accepted, the imaging data transmission target is transmitted to a first external apparatus connected most recent by the communication unit. Where connection is established with a second external apparatus based on an accepted user operation, the imaging data recorded as the transmission target is managed as a non-transmission target. |
| US11330230B2 |
Internet communication system that modifies users' perceptions based on their proximity within a virtual space
A system is provided having a computer, a user device, an audiovisual data source, a virtual distance assigned to the audiovisual data source received by the user device, video data from the audiovisual data source received by the user device, the user device displaying the video data at a first size, wherein when the virtual distance is changed, the size at which the video data is displayed changes. |
| US11330222B2 |
Display system and display apparatus
A display apparatus is provided, which includes a USB Type-C connector, display panel, a multiplexing circuit, a switch circuit, and a display controller. The USB Type-C connector is connected to a portable device, wherein a USB signal between the display apparatus and the portable device includes an image-transmission channel and a data-transmission channel. The multiplexing circuit separates the image-transmission channel from the data-transmission channel. The display controller controls a display mode of the display panel. In response to the display panel being in a first display mode, the display controller transmits a control signal to the switch circuit to control the multiplexing circuit to switch to a first operation mode. In response to the multiplexing circuit being in the first operation mode, the portable device acts as a host terminal in the image-transmission channel, and acts as a device terminal in the data-transmission channel. |
| US11330221B1 |
Dual-progression pixel readout
Row-by-row pixel read-out is executed concurrently within respective clusters of pixels of a pixel array, alternating the between descending and ascending progressions in the intra-cluster row readout sequence to reduce temporal skew between neighboring pixel rows in adjacent clusters. |
| US11330219B2 |
Dynamic vision sensor system
The present disclosure relates to a dynamic vision sensor. The dynamic vision sensor comprises a pixel array, address event representations, and a control logic. The pixel array includes a plurality of dynamic vision sensor (DVS) pixels connected to a plurality of row lines and a plurality of column lines. Each of the DVS pixels is configured to output an event signal in response to a change in light. The address event representations are configured to select one of the plurality of column lines and obtain an event signal output from DVS pixels connected to the selected column line. The control logic is configured to generate image data, including an object capable of generating a movement using an event signal output from each of the plurality of DVS pixels. The control logic divides the plurality of DVS pixels into a plurality of groups and allocates different readout times to each of the plurality of groups. |
| US11330216B2 |
Sensor arrangement and method for dark count cancellation
A sensor arrangement for light sensing for light-to-frequency conversion. The sensor arrangement includes a photodiode, an analog-to-digital converter (ADC) operable to perform a chopping technique in response to a first clock signal (CLK1), and convert a photocurrent (IPD) into a digital comparator output signal (LOUT). The ADC includes a sensor input coupled to the photodiode, an output for providing the digital comparator output signal (LOUT), an integrator including an integrator input coupled to the sensor input and operable to receive an integrator input signal, a first set of chopping switches coupled to a first amplifier, a second set of chopping switches electrically coupled to an output of the first amplifier and electrically coupled to input terminals of a second amplifier, and an integrator output providing an integrator output signal (OPOUT). |
| US11330215B2 |
High density parallel proximal image processing
A distributed, parallel, image capture and processing architecture provides significant advantages over prior art systems. A very large array of computational circuits—in some embodiments, matching the size of the pixel array—is distributed around, within, or beneath the pixel array of an image sensor. Each computational circuit is dedicated to, and in some embodiments is physically proximal to, one, two, or more associated pixels. Each computational circuit is operative to perform computations on one, two, or more pixel values generated by its associated pixels. The computational circuits all perform the same operation(s), in parallel. In this manner, a very large number of pixel-level operations are performed in parallel, physically and electrically near the pixels. This obviates the need to transfer very large amounts of pixel data from a pixel array to a CPU/memory, thus alleviating the significant high-speed performance constraints placed on modern image sensors. |
| US11330209B2 |
Imaging device and electronic device enabled to control position of lens
The present technology relates to an imaging device and an electronic device that enable highly accurate adjustment of a focus position and a camera shake correction position. The device includes: a lens that focuses subject light; an imaging element that photoelectrically converts the subject light from the lens; a circuit substrate including a circuit that externally outputs a signal from the imaging element; an actuator that drives the lens with a Pulse Width Modulation (PWM) waveform in at least one of an X-axis direction, a Y-axis direction, or a Z-axis direction; and a detection unit that detects a magnetic field generated by a coil included in the actuator. The actuator drives the lens to move a focus, or drives the lens to reduce an influence of camera shake. The present technology can be applied to the imaging device. |
| US11330207B1 |
High dynamic range in direct injection
A pixel structure and a method of reading charges generated by a radiation sensing element upon exposure thereof to radiation is presented. The pixel structure comprises at least two capacitors configured for integrating charge from a radiation sensing element, where an overflow transistor sets a predetermined threshold level by a static voltage on its control electrode. This allows charges generated in the radiation sensing element to be integrated in either the first capacitor for a level of charge generated by the radiation sensing element, while the level remains under a predetermined threshold level, or in the at least one further capacitor for a level of charge generated by the radiation sensing element when said level surpasses said predetermined threshold level. At least one merge switch is used for merging the charges of the first capacitor with the charges of the at least one further capacitor. |
| US11330205B2 |
Photosensor, image sensor, and photosensor driving method
The photosensor includes an APD that has a multiplication region including a photoelectric converter and includes a first capacitor connected to the multiplication region in parallel, and a first transistor connected between the APD and a first power supply (voltage VC). The first transistor applies a reverse bias of a power supply voltage (VC-VA), which is larger than a breakdown voltage VBD, between an anode and a cathode of the APD during a bias setting period by connecting the APD to the first power supply, and stops an avalanche multiplication phenomenon during a light exposing period by disconnecting the APD from the first power supply to accumulate charges generated by the avalanche multiplication phenomenon in the first capacitor. |
| US11330201B2 |
Light sensing circuit and image sensor including the same
A light sensing circuit and an image sensor are provided. The image sensor includes a first pixel unit including a plurality of first photodiodes and a first driving circuit to generate a first pixel signal based on an amount of charges stored in the plurality of first photodiodes, a second pixel unit including a plurality of second photodiodes and a second driving circuit to generate a second pixel signal based on an amount of charges stored in the plurality of second photodiodes, and a switching circuit connected to the first driving circuit through a first diffusion node and connected to the second driving circuit through a second diffusion node. The switching circuit connects or disconnects the first diffusion node and the second diffusion node based on a mode selection signal. |
| US11330199B2 |
Method and system of adaptable exposure control and light projection for cameras
Techniques related to a method and system of adaptable exposure control and light projection for cameras are described herein. |
| US11330197B2 |
Method for processing image data by using information generated from external electronic device, and electronic device
An electronic device according to various embodiments of the present invention comprises a camera, a communication module, a display and a processor, wherein the processor can be set so as to: acquire a raw image corresponding to an external object by using the camera; generate a first level image having a first attribute and a second level image having a second attribute by using the raw image; transmit a first image, in which at least a part of the first level image is encoded, to an external electronic device by using the communication module such that the external electronic device generates analysis information on the first image; and generate a second image, in which at least a part of the second level image is encoded, on the basis of at least the analysis information, and transmit the second image to the external electronic device by using the communication module. Other embodiments could be possible in addition to the various embodiments of the present invention. |
| US11330195B2 |
Time synchronized cameras for multi-camera event videos
A video capturing system for a sporting event includes a master clock; a plurality of cameras; and a logging device. The plurality of cameras are arranged to capture different views of participants of the sporting event. Each of the plurality of cameras is configured to capture video of participants of the sporting event. Each of the plurality of cameras includes a clock for tracking time. A logging device includes a processor, a memory, and a clock. The clock of the logging device is time-synchronized with the clocks of the plurality of cameras and the master clock. The logging device is electronically communicable with the plurality of cameras to at least time synchronize the clocks of the plurality of cameras and the master clock. |
| US11330190B2 |
Image processing apparatus, method of processing image and storage medium
An image processing apparatus obtains a plurality of captured images captured by an image capturing unit under different conditions, performs HDR development of the plurality of captured images to obtain a plurality of HDR images, generates composition information for compositing the plurality of HDR images, using a plurality of images corresponding to the plurality of captured images, the plurality of images being not influenced by or less influenced by tone processing resulting from the HDR development, and composites the plurality of HDR images using the composition information. |
| US11330189B2 |
Imaging control device for monitoring a vehicle occupant
An imaging control device includes: an exposure control portion configured to control an exposure length of an imaging unit, which is capturable an image of a region where an occupant is allowed to occupy in a vehicle cabin, to at least a first exposure period and a second exposure period longer than the first exposure period; an image acquisition portion configured to acquire first captured image data captured in the first exposure period and second captured image data captured in the second exposure period; and a processing unit configured to separately process the first captured image data and the second captured image data. |
| US11330187B2 |
Electronic apparatus, method of controlling electronic apparatus, and storage medium
An electronic apparatus includes an operation member configured to receive user operation to specify at least a part of a brightness range of a first image using a percentage; a combining unit configured to generate a second image by combining a pattern image with a region of the first image, the region corresponding to the part of the brightness range specified by the user operation; and an output unit configured to output the second image to a display unit. |
| US11330186B2 |
Biaxial tilting device, camera device, and electronic apparatus
Provided is a biaxial tilting device, a camera device, and an electronic apparatus, which enable suppression of shaking of a camera unit. A biaxial tilting device includes: a frame body including a back plate opposed to a bottom surface of a member to be tilted across a space; a plurality of suspension springs made of a shape memory alloy, which are configured to connect the bottom surface and the back plate to each other; and a current supply control unit configured to supply currents to the plurality of suspension springs. |
| US11330185B2 |
Lens control apparatus, optical apparatus, and lens control method
A lens control apparatus that controls moving of each of the first optical element and the second optical element during focusing includes a first controller that controls driving of the first optical element to move the first optical element to a first target position according to an object distance, a second controller that controls driving of the second optical element to move the second optical element to a second target position according to the object distance, and a correction value calculator that calculates a correction value for the second target position using a difference between an actual position of the first optical element and the first target position, and focus sensitivities of the first and second optical elements and calculates the correction value using a correction limit value smaller than a maximum movable amount of the second optical element from the second target position. |
| US11330182B2 |
Damper arrangement for actuator damping
Various embodiments include a damper arrangement that may be used to dampen motions of a dynamic component. In some embodiments, the damper arrangement may be used in a camera module that includes a stationary component and a dynamic component. For instance, the dynamic component may hold a lens such that the lens moves together with the dynamic component. In various examples, the damper arrangement may include an interface member that extends from the stationary component or the dynamic component to at least partially into a viscoelastic material within a pocket configured in the stationary component, the dynamic component, or both. The interface member may be configured to traverse within the viscoelastic material to dampen motion of the dynamic component, for example, during operation of a lens actuator to move the dynamic component along an optical axis of the lens. |
| US11330172B2 |
Panoramic image generating method and apparatus
The present application discloses a method and apparatus for generating a panoramic image. A cuboid three-dimensional image of each local space is determined according to an original two-dimensional image of each local space in the overall space and a preset cuboid model corresponding to each local space, and then a three-dimensional panoramic image of the overall space is generated according to all determined cuboid three-dimensional images. Since the three-dimensional panoramic image of the overall space is generated according to the cuboid three-dimensional images of all local spaces, the overall space may be visually viewed at a three-dimensional angle of view to achieve the three-dimensional real-scene effect. |
| US11330167B2 |
Image modification based on objects of interest
In various example embodiments, a system and method for modifying images are presented. The system receives a user interface selection initiating an image capture and detects a first image capture parameter. The system identifies an object of interest within a field of view of an image capture device and identifies a set of object characteristics of the object of interest. The system generates a parameter notification indicating a suggested modification of the first image capture parameter based on one or more object characteristics of the set of object characteristics. The system causes presentation of the parameter notification at the image capture device. |
| US11330158B2 |
Imaging element and imaging device for image plane phase difference detection
Pixel formation in an imaging element configured to detect image plane phase difference is simplified. The imaging element includes an on-chip lens, a plurality of photoelectric conversion portions, and a plurality of waveguides. The on-chip lens concentrates incident light on a pixel and is placed on each pixel so as to be shifted from a center of the pixel according to an incident angle of the incident light. The plurality of photoelectric conversion portions is arranged in the pixel and performs photoelectric conversion according to the incident light. The plurality of waveguides is arranged for the plurality of respective photoelectric conversion portion in the pixel. The plurality of waveguides guide the incident light concentrated so that the incident light enters each of the plurality of photoelectric conversion portion, and are formed into shapes dissimilar to each other based on the shift of the on-chip lens. |
| US11330156B2 |
Image capturing device
An image capturing device includes a movable mirror including a half mirror and circuitry to set a superimpose display mode that superimposes and displays an optical image of a finder optical system and an electronic image captured by an image sensor, and a consecutive photographing mode, control the movable mirror to rotate between a mirror-down position, in which the mirror is inserted in a photographing optical path, reflects light to a finder optical system, and transmits the light to an image sensor, and a mirror-up position in which the mirror is retracted from the photographing optical path and the light passes through to the image sensor, and prohibit the movable mirror from rotating to the mirror-up position and maintain the mirror-down position, when the superimpose display mode and the consecutive photographing mode are both set. |
| US11330155B1 |
Assembly for electronic devices
This disclosure describes a voice-controlled electronic device that includes a housing and a mounting component. The housing includes a translucent cover attached to a cylindrical-shaped unibody enclosure. The electronic device further includes a microphone array disposed near a first end within the housing, a speaker box disposed within the housing, and a printed circuit board assembly disposed within the housing. Additionally, the electronic device includes a camera disposed within the housing and attached to the printed circuit board assembly, and a depth sensor that includes a depth camera and a projector. In some instances, the camera and the depth sensor point substantially in a direction of the translucent cover. Furthermore, the electronic device includes a light ring that protrudes from a surface of the translucent display and surrounds a lens of the camera. |
| US11330149B1 |
Finding the page background color range
A method to reduce background noise in a document image includes: extracting, from the document image, a connected component corresponding to a background of the document image; generating a histogram of pixel values of the connected component; generating a replacement range using a range pruning algorithm that narrows a range of the histogram by iteratively discarding at least one pixel value and corresponding pixel count of the histogram from at least one side of the histogram; selecting, from the connected component, at least one pixel having a corresponding pixel value within the replacement range; converting the corresponding pixel value of the at least one pixel to a uniform background color; and outputting, subsequent to the converting, the document image. |
| US11330141B2 |
Image reader and image reading method with data move function
A universal serial bus (USB) memory that stores image data acquired by reading a document is connectable with an image reader. The image reader includes a storage capacity detector that detects storage capacity capable of storing information in the USB memory at a time point of reading a document, a capacity comparison section that compares size of the image data acquired by reading the document with the storage capacity of the USB memory, a data extractor that extracts the data to be moved to another storage medium from data that has already been stored in the USB memory, and a data mover that moves the data extracted by the data extractor to the other storage medium. |
| US11330139B2 |
Image reading apparatus and image forming system
An image reading apparatus includes a first roller pair forming a first nip portion, a second roller pair forming second nip portions, an image information reading unit, and a sheet detecting unit. The second roller pair includes a recessed portion formed between the second nip portions of the second roller pair with respect to a rotational axis direction. The sheet detecting unit is provided so that at least a part thereof enters the recessed portion. The first roller pair forms the first nip portion so as to nip a sheet in a region overlapping with the recessed portion with respect to the rotational axis direction and to deliver the sheet, nipped in the first nip portion, to the second nip portions. |
| US11330136B2 |
Light source device
Provided is a light source device including a plurality of light emitting points arranged in matrix within a first cross section parallel to a first direction and a second direction. When light emitting points are projected within a second cross section parallel to first direction and a third direction perpendicular to first cross section, light emitting points have equal intervals between projections adjacent to each other. When light emitting points are projected within a third cross section parallel to second and third directions, light emitting points have equal intervals between projections adjacent to each other. An interval between light emitting points adjacent to each other in a row of matrix, an interval between light emitting points adjacent to each other in a column of matrix, an angle between row and column, an angle between column and first direction, and an angle between row and second direction are appropriately set. |
| US11330134B2 |
Image reading device having a rectangular-shaped opening on a side of a reading target, wherein long sides of the rectangular shaped opening including a first layer, a second layer and an interface between the first layer and the second layer that has an arched shape warping from a center portion of the rectangular-shaped opening
An image-reading apparatus includes a housing having a rectangular-shaped opening on a side of a reading target, a lens portion retained or housed within the housing, and a sensor element to receive light condensed by the lens portion, the light being from the reading target. Long sides of the opening include a first layer that is flat and is disposed on the side of the reading target and a second layer that is continuous with the first layer. The long sides of the opening of the housing of the image-reading apparatus has a flat surface on the side of the reading target and an interface between the first layer and the second layer that is curved. |
| US11330130B2 |
Image processing apparatus, method, and storage medium
An image processing apparatus includes a flow execution unit configured to receive, in response to an instruction from a user to start an application installed in the image processing apparatus, a request to register a flow from the application; store information for identifying functions included in the flow and an execution order of the functions; switchably display setting screens for the respective functions included in the flow in response to a request from the application to execute the flow; and execute the functions identified based on the stored information in the stored execution order based on setting information input on the setting screens for the respective functions. |
| US11330129B2 |
Image forming system, image forming apparatus, and storing medium storing application control program
In an image forming system provided with a plurality of image forming apparatuses, at least one of the image forming apparatuses takes over an application owned by other the image forming apparatus, and acquires, from a transfer source, the number of times of application use indicating the number of times of using the application in the image forming apparatus being the transfer source of the application. When execution of the application is finished, the image forming apparatus determines between the image forming apparatus itself, and the transfer source of the application, in which the number of times of application use of the application is larger, based on the number of times of application use acquired from the transfer source, and transfers the application to the transfer source, when the transfer source has a larger number of times of application use than the transfer destination. |
| US11330123B2 |
Information processing device and non-transitory computer readable medium
An information processing device includes a processor configured to receive an addition of additional information by an administrator, and cause a display position of an image representing the additional information to be restricted in a case where an important attribute indicating importance is assigned to the additional information. |
| US11330116B2 |
Image forming device and proposal processing prediction method for image forming device
An image forming device includes a document information acquirer that acquires information related to a document, a sheet information acquirer that acquires information related to a print sheet, a storage that stores, in advance, information related to the document and the print sheet, and prediction condition information including proposal processing associated with the document and the print sheet, a processing predictor that acquires, based on the information related to the document and the information related to the print sheet acquired by using the prediction condition information, proposal processing associated with the placed document and the print sheet, and a proposal processing generator that generates information related to the proposal processing to be presented to a user based on the acquired proposal processing. When the user places a document and a print sheet, the proposal processing is acquired and presented to the user. |
| US11330115B2 |
Image scanning device
An image scanning device has a platen, an openable cover, a cover sensor, a scanning unit, a condition setting unit enabling a user to set a first condition, and a controller. The controller is configured to detect an opening state of the cover based on a detection signal output by the cover sensor and obtain the image data representing a partial image which is an image of a first end portion of a scannable area of the scanning unit. When the cover is in the closed state, the controller applies an image processing based on the first condition set through the condition setting unit, and when the cover is in the opened state, the controller applies the image processing based on a second condition which is a particular condition set in advance and different from the first condition. |
| US11330113B2 |
Charging method and device involved in a protocol data unit (PDU) session
Embodiments of this application provide a charging method. The method includes that a session management function determines, a data flow within a protocol data unit, PDU, session and a charging key corresponding to the data flow within the PDU session, wherein a plurality of user plane functions are involved in the PDU session. For each of the plurality of user plane functions, the session management function sends to an online charging system, a quota request for a charging key without available quota for the UPF. |
| US11330109B2 |
User equipment-assisted secure call transfers
Techniques described provide for transferring calls between a first user equipment (UE) and a second UE. One implementation may include receiving a request to transfer a call, which has been established between the first UE and a third party device, to be between a second UE and the third party device. Location information for the first and second UEs may be received. A determination may be made to determine whether the first and second UE are in proximity to each other. In the event that a determination is made that the first and second UE are in proximity to each other, the established call may be transferred from the first UE to the second UE. Other aspects and features are also claimed and described. |
| US11330108B2 |
System and method for a work distribution service
Systems and methods for a work distribution service. At a multi-tenant platform that provides a work distribution service for a plurality of external systems, a priority is assigned to a first work item of a first external system. The work item is received via a RESTful work item API call request. The priority is assigned based on work item attributes of the work item and a workflow instruction corresponding to workflow information specified by the work item. The workflow instruction is provided by the external system via a RESTful Workflow API. A worker is assigned to the work item based on: the priority of the work item, the workflow information, and worker state managed by the first external system via a RESTful Worker API. The worker state includes worker attributes. The work item is generated by the external system, and the workflow instruction is managed by the external system. |
| US11330104B1 |
Selectively routing emergency calls between a public safety answering point (PSAP) and in-field first responders
Systems and methods for selectively routing emergency calls between public safety answering points and in-field first responders. One example method includes determining one or both of an identity and a location of an emergency caller. The method includes retrieving, based on the identity and/or the location, active incident information identifying one or more active incidents associated with the identity and/or the location. The method includes identifying identities and/or locations of one or more in-field first responders associated with the one or more active incidents and comparing the identity and/or location of the emergency caller to the identities and/or locations of the in-field first responders associated with the active incidents. When a match is found based on the comparison, the emergency call is routed to one of the matching in-field first responders and not to the PSAP. When a match is not found, the emergency call is routed to the PSAP. |
| US11330089B2 |
Mobile terminal
A mobile terminal comprises a first frame, a second frame capable of slidably moving from the first frame in a first direction or a second direction which is an opposite direction of the first direction, and a driving unit slidably moving the second frame, wherein the driving unit includes a motor coupled to the first frame, a first pinion gear rotated by a rotational force transferred from the motor, a first gear rack extended in the first direction, moving in the first direction or the second direction when the pinion gear is rotated, a second pinion gear rotated in accordance with movement of the first gear rack, and a second gear rack coupled to the second frame, moving from the first gear rack in the same direction as the moving direction of the first gear rack in accordance with rotation of the second pinion gear. A length of the gear rack may be obtained to enlarge an area of the mobile terminal when the mobile terminal is extended. |
| US11330085B2 |
Data transmission protection method, device, system, and computer readable storage medium
The present disclosure discloses a data transmission protection method, a data transmission protection device, a data transmission protection system and a computer readable storage medium, the method includes: encapsulating a packet header for a data flow to be transmitted at an ingress node to form an encapsulated data flow, where the packet header includes a control word and a flow identification; copying the encapsulated data flow to obtain a copied data flow, and transmitting the encapsulated data flow and the copied data flow together; and recovering the data flow at a terminating node according to the control word and the flow identification. |
| US11330074B2 |
TCP (transmission control protocol) fast open for classification acceleration of cache misses in a network processor
A packet parser generates a key from TCP metadata of a data packet for a specific session. A packet cache stores recent network policy identifiers associated with a plurality of network sessions, wherein the key is used as an index to search the packet cache. The packet cache responsive to a cache miss, checks a TFO cookie field for a rule ID stored by the client during a previous session as generated by the network processor. If there is no rule ID, a classification pipeline is activated. On the other hand, responsive to a cache hit, or responsive to identifying a rule ID for the session from the TFO cookie, the classification pipeline is bypassed for the data packets of the specific session. |
| US11330073B1 |
Adaptive system and method for dynamically adjusting message rates through a transport
Disclosed herein is a system, method, and computer program product for dynamically altering message rates through a transport. The system, method, and computer program product continually operates a transport and analyzes trend data using a moving average of producer rates and consumer rates. Keeping message flow at an optimal rate as system conditions vary throughout time enables efficient delivery of messages through multiple subsystems and intermediary transports to the messages' manifold endpoints. |
| US11330071B2 |
Inter-process communication fault detection and recovery system
An inter-process communication (IPC) system, includes a first client engine, a first server engine, and a broker engine that is coupled to the first client engine. The broker engine initiates a first timer that is configured to reset when traffic is received from the first server engine while the first server engine is registered with the broker engine and coupled to the broker engine via a communication channel. The traffic that causes the first timer to reset includes at least one of: traffic generated by the first client engine to complete a request, and a first server-to-broker heartbeat message generated by the first server engine. The broker engine determines that the first timer has reached a predefined time amount, and in response, removes the registration of the first server engine and removes the communication channel between the broker engine and the first server engine. |
| US11330070B1 |
Containerized workflow engines executing metadata for user-defined applications
Containerized workflow engines executing metadata for user-defined applications are described. A system utilizes user selections for configuring a user-defined application to identify application definition metadata. The system stores the application definition metadata for the user-defined application into a persistent storage. A workflow engine executes in a software container in response to receiving user context details and an invocation of the user-defined application. The workflow engine retrieves the application definition metadata from the persistent storage. The workflow engine inputs the user context details and executes the application definition metadata. The workflow engine outputs a result based on executing the application definition metadata. |
| US11330069B2 |
Service subscription method and system for reporting service change in communication system
A service subscription method for reporting service change in a communications system is provided. In the method, a first network function network element sends a first message to a second network function network element to subscribe a first service on behalf of a third network function network element. The first service is provided by the second network function network element and the first message includes a first address of the first network function network element. When the second network function network element is changed to a fourth network function network element, the fourth network function network element sends a third message to the first network function network element according to the first address to notify the first network function network element that a subscription of the first service has changed. |
| US11330068B2 |
Methods and systems for recording user operations on a cloud management platform
Methods and systems for recording user operations on a cloud management platform are provided. According to one aspect, a method comprises recording one or more user operations on a cloud management platform, the one or more user operations being associated performing a task; storing data associated with the one or more user operations in a database; and executing the data associated with the one or more user operations, allowing replay of the one or more user operations on the cloud management platform to repeat the task. The one or more user operations on the computing platform correspond to one or more application programming interface (API) operations and executing the one or more user operations on the cloud management platform, causing the computing device to call the one or more API operations to complete the task on the cloud management platform. |
| US11330066B2 |
Method for receiving content from external device and electronic device therefor
According to one embodiment of the present invention, a method for receiving content at an electronic device may include: receiving content including at least one object from a web server; in response to the object being selected, acquiring, from the object, device information indicating at least one first device related the object and device control information including a first command for operating the at least one first device; and transmitting the first command to the at least one first device. In addition, other examples are also possible. |
| US11330064B2 |
Method and apparatus to facilitate a multi-point connection with a communication device
Aspects of the subject disclosure include, for example, selecting a first edge device of a first network to provide a part of a service to a communication device, establishing a first session between the first edge device and a device of a second network for a duration of the service, wherein the first session is associated with a first portion of an address, establishing a second session between the first edge device and the communication device in accordance with an access technology to facilitate a transfer of first data associated with the first part of the service to the communication device, wherein the second session is associated with a second portion of the address, and wherein the second portion of the address identifies the access technology, and transferring the first data to the communication device in accordance with the address, wherein the address comprises a third portion that identifies the communication device. Other embodiments are disclosed. |
| US11330063B2 |
Method and apparatus for supporting reauthentication of DN authorized PDU session and managing PDU session according to change of DN authorization data
The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure provides a method for supporting re-authentication of a PDU session generated through DN authentication/authorization with a DN-AAA server, and a method and an apparatus for managing a corresponding PDU session if DN authorization information is updated at the time of re-authentication. |
| US11330059B2 |
Head unit of a vehicle, a vehicle having same, and a method of controlling a vehicle
A head unit of a vehicle is capable of defining a policy about conversion of interworking means between the vehicle and a mobile device and controlling conversion of the interworking means according to the defined policy to thereby minimize a delay generated upon conversion and to provide a service without interruption. A vehicle includes the head unit and a method of controlling the vehicle includes the head unit. The head unit of a vehicle interworking with a mobile device comprises: a communication interface including a wired communication module and a wireless communication module; a display configured to display an image corresponding to a video signal transmitted from the mobile device through the communication interface; and a controller configured to determine, if a new interworking request is received when the head unit interworks with the mobile device, whether the interworking with the mobile terminal is wired interworking through the wired communication module or wireless interworking through the wireless communication module. The controller is configured to determine whether to allow or disallow the new interworking request according to the determination. |
| US11330058B2 |
Remote flashing during infusion
A medical device controller operating in conjunction with a medical device determines one or more current versions of executable code associated with one or more processors in a medical device. Medical devices may include infusion pumps, other patient treatment devices as well as vital signs monitors. The medical device controller determines one or more current versions of executable code and configuration information associated with the one or more processors in the medical device. The medical device controller further determines which of the processors in the medical device require updated executable code, and which of the processors in the medical device require updated configuration information. The medical device controller distributes to the medical device as required at least one of the updated executable code and the updated configuration information. The medical device deploys the distributed updates, and activates the updates at a clinically appropriate time. |
| US11330055B2 |
Data retrieval in a hybrid cloud
A cloud environment is provided generally having at least one private data center possessing a controller/routing system and nonvolatile mass storage, a plurality of data objects retained in the nonvolatile mass storage, and a public cloud storage service provider linked to the controller/routing system. The public cloud storage service provider possessing a database containing policy decisions and metadata of the plurality of data objects. When data objects are uploaded to the cloud environment, the private data center is in possession of the data objects, the public cloud is not in possession of the data objects. The private data center is not in possession of the policy decisions and the metadata for the plurality of data objects, rather the public cloud storage service provider is. The public cloud storage service provider adapted to be communicatively linked to an end-user computing system by way of the controller/routing system. The end-user able to retrieve data objects from the cloud environment via the private data center that ascertains location information of one or more target data objects from one or more private data centers. The data objects retrieved do not pass through the public cloud service provider, but rather over data pathways independent of the public cloud service. The data center is independent of the public cloud storage provider. |
| US11330054B2 |
System and method for load balancing in a data storage system
Various implementations of the invention provide load balancing in a data storage system. A computing processor receives a request to create a new data storage container on a selected one of a plurality of data storage assets, where each of the plurality of data storage assets is configured to host a plurality of data storage containers. The computing processor determines which of the plurality of data storage assets is farthest away from an existing data storage container corresponding to the new data storage container and creates the new data storage container on the data storage asset that is farthest away from the existing data storage container. |
| US11330052B2 |
Network storage backup using distributed media agents
Certain embodiments disclosed herein reduce or eliminate a communication bottleneck at the storage manager by reducing communication with the storage manager while maintaining functionality of an information management system. In some implementations, a client obtains information for enabling a secondary storage job (e.g., a backup or restore) from a storage manager and stores the information (which may be referred to as job metadata) in a local cache. The client may then reuse the job metadata for multiple storage jobs reducing the frequency of communication with the storage manager. When a configuration of the information management system changes, or the availability of resources changes, the storage manager can push updates to the job metadata to the clients. Further, a client can periodically request updated job metadata from the storage manager ensuring that the client does not rely on out-of-date job metadata. |
| US11330048B2 |
Affinity determination and logical networking of IoT devices
Attributes are applied to Internet-of-Things (IoT) devices to establish high quality connections between the devices. Agents of the devices are assigned to interest-based cells in a virtual space, and can travel among the cells. Within the cells, pairs of devices are tested for similarity, based on device profiles, and for detected affinity. Devices having affinity are connected and form a logical network of IoT devices. Some attributes can be based on a personality model and can reflect the personality of a user or other principal associated with a device. The user or principal attributes can influence requests for affinity testing, calculation of similarity, and further behavioral effects incorporated in affinity determination. Disclosed embodiments provide scalable, distributed, autonomous, and unsupervised device-to-device connectivity, free of prior constraints. Associated infrastructure, simulations, performance metrics, and variations are disclosed. |
| US11330046B2 |
Content delivery in wireless wide area networks
A wireless client device in a wireless network listens to transmissions from other wireless client devices to determine a local wireless network topology of wireless client devices, and transmits the local wireless network topology to a server in a content delivery network. The wireless client device transmits a request for content to the server and receives a message from the server via the wireless network, the message indicating at least one source wireless client device in the local wireless network topology that contains the content. The wireless client device can transmit a request for the content to the at least one source wireless client device. The wireless client device receives the content from the at least one source wireless client device via a peer-to-peer link in the wireless network. |
| US11330041B2 |
Providing communication services using sets of I/O user devices
A user terminal emulation server maintains a database identifying network addresses, UI capabilities, and locations of I/O user devices. Communication sessions are established between first and second user terminal emulation applications and respective first and second I/O user devices proximately located to respective first and second users and which provide acceptable combined I/O user interfaces to the first and second users. When a direct path criterion is satisfied for creating a direct traffic flow, a traffic flow that was from the first I/O user devices to the first user terminal emulation applications is redirected to now be from the first I/O user device to the second I/O user device without passing through either of the first and second user terminal emulation applications. |
| US11330040B2 |
Transmitting messages in an internet transmission system
A method for transmitting messages from a server to a client in an internet transmission system includes: (a) the client sends to the server a request for transmitting a picture file, (b) in response to the reception of the request the server generates a picture file with a first content, in case that no message is available for the client, and delays the transmission of the picture file to the client for a time interval, (c) in response to the reception of the picture file with the first content, the client again sends a request for sending (transmitting) a picture file, (d) the steps (a) to (c) are repeated till, upon the last request, a message is available at the server for transmission to the client, (e) the server transmits, in response to the last request of the client, the picture file with a second content, (f) in response to the reception of the picture file with the second content, the client then sends a request for transmitting the message, (g) in response to the reception of the request for transmitting the message, the server then transmits the message to the client. |
| US11330038B2 |
Systems and methods for utilizing blockchain for securing browsing behavior information
A system described herein may provide the use of secured ledger techniques, such as blockchain techniques, to secure information provided by a content provider, such as an application server. A device may generate a file containing such information, and a file name of the file may exclude identifying information for the content provider, such as a Uniform Resource Locator (“URL”) or domain name associated with the content provider. The device may generate a first mapping between the file name and the content provider, and may record the first mapping to a ledger system. The device may maintain a second mapping of an identifier of a portion of the ledger system, in which the first mapping was recorded, to the content provider, and may use this second mapping to retrieve the information from the file upon an authorized request. |
| US11330037B2 |
Method and system for streaming data over a network
A system and method for collaboration e.g. by configuring network devices for streaming electronic media data over a computer network. The network includes type 1- and type 2 network devices and the data can be streamed from a type 1 network device to a type 2 network device according to an electronic value. A use-case includes a collection of such electronic values. Such a system or method can be used for combining a digital interactive dialog window with generic web content shown by web browsers. The digital interactive dialog window can be overlaid onto the web content in an ad-hoc manner. |
| US11330034B1 |
Data disruption tracking for wireless networks, such as IMS networks
Systems and methods for tracking and logging mute events that occur during communication sessions are disclosed. The method includes generating a disruption report that includes one or more aspects of a mute event detected during a communication session. The disruption report is communicated to a network for further analysis. |
| US11330032B2 |
Method and system for content proxying between formats
A technique for content proxying is described. The technique includes receiving from a first device a stream of data. The stream of data is formatted in a format that does not indicate content length in a header. A received payload of the stream of data is encoded into a data chunk including a chunk length header and the received payload. The data chunk is forwarded to a second device that does not support the format. |
| US11330031B2 |
System and method for encoding image data and other data types into one data format and decoding of same
A method for encoding data streams into a combined file and decoding of same, including accessing a first file having a first plurality of data bytes, accessing a second file having a second plurality of data bytes, combining the first file and the second file, comprising the steps of storing a block of data bytes of a first byte block size in the body of the combined file as a first file byte block, storing a block of data bytes of a second byte block size in the body of the combined file as a second file byte block, repeating the first and second storing steps to sequentially store all of the data bytes in the first file and the second file in the combined file, and decoding the combined file to separate the bytes of the first file and the bytes of the second file from the combined file. |
| US11330028B2 |
Media stream sending method, apparatus, system, and device
A media stream sending method, apparatus, and system for providing a live media stream for a client that enters a live broadcast room includes a proxy server that receives a first live broadcast room request message and a second live broadcast room request message that are sent by a same proxy client; the proxy server receives a first live media stream that is sent by a media server to a first client and a second live media stream that is sent by the media server to a second client; and when determining that a role of the first client is a master user, and that a role of the second client is a slave user, the proxy server sends only the first live media stream to the proxy client such that the proxy client sends the first live media stream to the first client and the second client. |
| US11330022B2 |
System and method for separation of call origination and call delivery techniques
Providing a user experience on a multimodal communications terminal configured to communicate according to a plurality of communication includes: executing a single application that provides a user experience (UX) for controlling user selection of preferences of the plurality of communication methods when originating or receiving communication sessions; and providing, via the single application, a selectable control that is persistent such that the selectable control is displayed in any screen of the single application, wherein the control allows selection of one of the plurality of communication methods to use for a particular communication session. |
| US11330021B1 |
System and method of mirroring a display of multiple video feeds in videoconferencing systems
Automated methods and systems are provided for preserving the perception of interparticipant directional gesture and gaze across a grid or mesh of remote video feeds from a plurality of participants engaged in a videoconferencing session. The perception of directional gesture and gaze is accomplished through mirroring the video feeds in a gallery view displayed to those participants who are interacting. The perception of interparticipant directional gesture and gaze of those being mirrored by those not mirrored is accomplished by un-mirroring (or double-mirroring) those interacting. |
| US11330018B1 |
Determining policy characteristics based on route similarity
Techniques are described for adjusting policy characteristics based on a determined similarity between routes. A similarity metric may be determined indicating the similarity between a first route followed by a vehicle and/or driver and a second (e.g., previous) route followed by the vehicle and/or driver. A similarity metric may indicate the similarity in movements, and changes in movement, exhibited by the vehicle on the routes. The similarity metric may be determined through analysis of real time data collected by in-vehicle sensor(s), mobile user device(s), external sensors or other data sources. Based on the similarity metric, a premium, a deductible, a price, or other characteristic(s) of a policy may be determined. In some examples, policy characteristics may be adjusted (e.g., in real time) based on the analysis according to changing risk conditions if a driver is following routes that are dissimilar from typical routes. |
| US11330016B2 |
Generating collection rules based on security rules
A computing device is described that is coupled to a set of web application layer attack detectors (ADs), which are coupled between clients and web application servers. The ADs apply security rules to traffic between clients and servers and send alert packages to the computing device in response to triggering one or more security rules, which identify web application layer attacks. The computing device automatically generates attribute identifier-value pairs based on alert packages and uses the attribute identifier-value pairs along with collection rule templates to generate collection rules, which are used to inspect traffic for additional analysis. The ADs apply the collection rules to traffic and send collection packages to the computing device in response to triggering one or more collection rules. |
| US11330015B2 |
Methods and systems for honeyfile creation, deployment and management
A method for automatically creating a honeyfile for a file system, includes the steps of: surveying a file set of the file system to identify tokenisable data in the file set, tokenising the identified tokenisable data to form a plurality of token sequences, and either selecting one of the plurality of token sequences or generating a token sequence to operate as an exemplar token sequence; applying a substitution method to substitute the tokens of the exemplar token sequence with replacement tokenisable data; and packaging the replacement tokenisable data into a honeyfile. |
| US11330007B2 |
Graphical temporal graph pattern editor
An interactive display system enables a user to compose a graph pattern for a temporal graph on a display screen. The system comprises a canvas that provides an interactive editing surface. The editor receives an input a set of user interactions, such as the drawing of lines and boxes, the specifying of attributes, and the like, that together compose a graph pattern. During the graph pattern composition, the user may retrieve other graph patterns (e.g., from a data store) and integrate them into the pattern being composed. Once the graph pattern is composed (or as it is being composed), the system converts the graphical pattern into a text-based representation, such as a computer program in a particular graph programming language, which is then used for subsequent processing and matching in a cybersecurity threat discovery workflow. The pattern (program code) also is stored to disk, from which it may be retrieved and converted back into its graphical view on the screen, e.g., for further editing and revision. |
| US11330005B2 |
Privileged account breach detections based on behavioral access patterns
Disclosed is an improved approach for detecting potentially malicious activity on a network. The present improved approach generates a multi-dimensional activity model based on captured network activity. Additional network activity is captured, and relative activity values are determined therefor. Determination of whether the additional network activity corresponds to potentially malicious activity is obtained by fitting the relative activity values of the additional network activity to the multi-dimensional relative activity model. |
| US11330000B2 |
Malware detector
A transparent proxy for malware detection includes a monitor module, a protocol determination module, a challenge generation module, a response determination module, and a data control module. The monitor module examines data originating from an application towards a remote server. The protocol determination module identifies the protocol type used for the data. The challenge generation module produces a challenge for the application based upon the protocol type, sends the challenge to the application, and maintains a state related to the data and the challenge. The response determination module makes a determination if an automatic non-interactive application response is received in response to the challenge from the application. The data control module allows the first data to continue to the remote server when the determination is valid. The data control module reports malware detection and blocks the data to continue to the remote server when the determination is invalid. |
| US11329999B1 |
Determining environment parameter values using rendered emoji analysis
Techniques are provided for determining environment parameter values based on rendered emoji analysis, A server computer provides a first set of code that, when executed by a browser application at a client computing device, renders a set of emoji at the client computing device, generates a set of rendered graphic data for the set of emoji at the client computing device, and transmits the set of rendered graphic data for each emoji of the set of emoji from the client computing device to the server computer. The server computer receives the rendered graphic data generated at the client computing device, Based on the set of rendered graphic data for the set of emoji generated at the client computing device, the server computer determines a set values for one or more environment parameters of the client computing device. |
| US11329998B1 |
Identification (ID) proofing and risk engine integration system and method
The system and method disclosed performs entity authentication through identification proofing. A relying party such as a corporation or other type of entity having a secure website, computer network and secure facility working a risk engine can determine the authenticity, validation and verification during registration of a user entity. The identification proofing is integrated with a risk engine. The risk engine is capable of using bio-behavior based information which may be continuously monitored. |
| US11329997B2 |
Signed message header storing sender account authentication method
A delivering email system is configured to receive a request to send an email to a recipient, identify an authentication method of a sender account for the email, modify email headers of the email to include an indication of the authentication method, generate digital signatures for the email that include the email headers within a scope of the digital signatures, modify the email such that an email header of the email includes the digital signatures, and transmit the email, including the indication of the authentication method and the digital signatures, to the recipient at a receiving email system. The receiving email system is configured to receive the email, determine that the email headers are unaltered by validating the digital signatures against a public key of the sender domain, determine whether the authentication method indicated meets a criteria, and execute a security response against the email if not. |
| US11329996B2 |
Dynamic aggregation of information based on web application layer requests
A method by a web application layer proxy for dynamically creating counters during runtime based on actual web application layer requests received by the web application layer proxy. The method includes installing a counting rule in the web application layer proxy, where the counting rule specifies a set of parameters based upon which to create counters, receiving a web application layer request generated by a web application client that is intended for a web application server, determining a set of parameter values associated with the web application layer request that corresponds to the set of parameters specified by the counting rule, and creating a counter associated with the set of parameter values associated with the web application layer request in response to a determination that a counter associated with the set of parameter values associated with the web application layer request does not exist. |
| US11329995B2 |
Blockchain-based system, and electronic apparatus and method in the system
There is disclosed a blockchain-based system, and an electronic apparatus and a method in the system. The electronic apparatus at a control node end includes a processor configured to: verify, in response to an ownership declaration for a new object that is first introduced from a to-be-verified node in the system, the ownership declaration; and sign, in a case that the verification is successful, the ownership declaration to be returned to the to-be-verified node, so that the signed ownership declaration is verified by other nodes in the system and a record regarding the ownership declaration is added to the blockchain. According to the embodiment of the disclosure, it is possible to verify the newly introduced object in the blockchain-based system without binding with a cipher coin, while maintaining a peer-to-peer architecture of the blockchain-based system. |
| US11329992B2 |
Security measures for extended sessions
Techniques are provided for security measures for extended sessions. Request data for a request is received from a client computing device to a web server system. The request comprises a session identifier (ID) for a session between an authenticated user and the web server system. It is determined, based on the request data, that the client computing device is a single-user device. It is determined, based on the request data, that the client computing device is not compromised. In response to determining that the client computing device is a single-user device and that the client computing device is not compromised, extension of the session between the authenticated user on the client computing device and the web server system is caused. |
| US11329989B2 |
Token-based access control and grouping
One or more clients of a service may obtain access to resources of the service using one or more roles. A role may be used to delegate access to resources that a client normally would not otherwise have access to. A requestor may make a request to assume an intermediary role and receive a first token that enables assumption of the intermediary role. The requestor, after assuming the intermediary role, may request to assume to assume a destination role and receive a second token that enables the requestor to access one or more computing resources by assuming the destination role. |
| US11329988B2 |
Access to a service in a network
There is provided mechanisms for handling access to a service in a network. A method is performed by a network controller. The method comprises obtaining an indication of the service is accessible in the network. The indication is received from a network switch operatively connecting a server of the service to the network. The indication causes a timer to start. The method comprises obtaining an indication of a client requesting to access the service. The indication is received from the network switch. The method comprises recording, only when the timer has not yet expired, identity information of the client in an access control list. The method comprises providing the access control list at least to the network switch upon expiration of the timer. |
| US11329986B2 |
System for centralized certification of electronic communications
A system for processing communications is provided. The system includes a trusted receiver device configured to receive a communication directed to a known trusted receiver address, a message handler device configured to interface with the trusted receiver device and create a thumbprint of select portions of the communication, an analysis device configured to analyze the communication based on the communication and the thumbprint, and a metadata storage device connected to the trusted receiver device configured to receive and store metadata associated with each verified communication received. The communication comprises information identifiable to the system in a particular field of the communication intended to be invisible to unauthorized recipients, and the communication is verified and transmitted to the sender and intended recipient. Any entity can verify a communication received by the system. Any communication transmission protocol, service, or platform may be employed and the recipient does not require any specialized software. |
| US11329984B2 |
Authenticating a limited input device via an authenticated application
A limited input device, such as a camera, is authenticated based on a request received from an authenticated application. The application can request an application server to provide the application with a one-time authorization code. The request includes the device identifier associated with the camera. The server stores an association between the one-time authorization code and the device identifier of the camera, and provides the application with the one-time authorization code. The application provides the camera with the one-time authorization code. The camera transmits a request for an access token to the server, the request for the access token including the one-time authorization code and the device identifier associated with the camera. The server verifies the device identifier associated with the camera with that associated with the one-time authorization code, and upon a positive verification authenticates the camera by providing the camera with the access token. |
| US11329983B2 |
Validating an electronic control unit of a vehicle
The present disclosure includes apparatuses, methods, and systems for validating an electronic control unit of a vehicle. An embodiment includes a memory, and circuitry configured to generate a run-time cryptographic hash based on an identification (ID) number of an electronic control unit of a vehicle and compare the run-time cryptographic hash with a cryptographic hash stored in a portion of the memory. |
| US11329977B2 |
Chat bot-based authentication of chat bots
A method for authentication of chat bots includes determining that a first chat bot is authenticated, by a server, for first session communication at a first chat session with a first chat application instance. The first chat session is hosted by a first chat service. The method includes determining authentication intent to authenticate, with the server, a second chat bot for a second session communication at a second chat session with a second chat application instance. The second chat session is hosted by a second chat service, where the first chat bot and the second chat bot simulate respective chat application instances. The method also includes providing authentication credentials, via the first chat session, to authenticate the second chat bot with the server for the second session communication. |
| US11329974B2 |
Device network configuration method and apparatus, and storage medium
A device network configuration method, applied to a router, includes: sending, after establishing a first wireless connection with a device, a request for acquiring identity information of the device; receiving an identity data packet returned by the device; analyzing the data packet to acquire the identity information of the device; sending the identity information to a server; receiving, after the server verifies that the identity information is legal and sends first network configuration information comprising a username and an access password to a control end of the device, second network configuration information sent by the device, and verifying legality of the second network configuration information; and establishing, after a verification result is legal, a second wireless connection with the device; wherein the second network configuration information comprises the username and the access password in the first network configuration information. |
| US11329969B2 |
Network security architecture
In an aspect, a network supporting client devices includes one or more network nodes implementing network functions. Such network functions enable a client device to apply a security context to communications with the network when the client device is not in a connected mode. The client device obtains a user plane key shared with a user plane network function implemented at a first network node and/or a control plane key shared with a control plane network function implemented at a second network node. The client device protects a data packet with the user plane key or a control packet with the control plane key. The data packet includes first destination information indicating the first network node and the control packet includes second destination information indicating the second network node. The client device transmits the data packet or control packet. |
| US11329968B2 |
Authentication across decentralized and centralized identities
Permitting a decentralized identity to authenticate on behalf of a centralized identity to a centralized identity system, and/or permitting a centralized identity to authenticate on behalf of a decentralized identity to a decentralized identity system. Thus, the principles described herein permit authentication across decentralized and centralized domains. The identity system receives and registers a delegation for the first identity to authentic as the second identity, where one of the identities is a decentralized identity and one is a centralized identity. Thereafter, when the identity system receives a communication from the first identity to access a resource owned by the second identity, the identity system accesses the registration to determine that the first identity is authorized to authenticate as the second identity, authenticates the first identity as the second identity, and grants the first identity access to the resource owned by the second identity. |
| US11329961B2 |
Accelerating data communication using tunnels
Methods and systems are provided for increasing application performance and accelerating data communications in a WAN environment. According to one embodiment, packets are received at a flow classification module operating at the Internet Protocol (IP) layer of a first wide area network (WAN) acceleration device via a private tunnel, which is operable to convey application layer data for connection-oriented applications between WAN acceleration devices. The packets are passed to a WAN socket operating at the transport layer. Based on the application protocol, the packets are passed to an application handler of multiple application handlers operating at the application layer each of which implements one or more application acceleration techniques for a particular application layer protocol known to behave poorly within a WAN environment. The existing connection-oriented flow is securely accelerated by performing one or more application acceleration techniques and applying one or more security functions. |
| US11329960B2 |
Dynamic firewall configuration based on proxy container deployment
A first container of a first device can receive information that identifies a configuration of a first interface and a second interface of a second container of the first device. The first container can include a self-contained execution environment. The first container can configure a firewall of the first device to enable network traffic to be transferred between a second device and a third container of a third device via the first interface and the second interface. |
| US11329957B2 |
Centralized management of remote endpoint devices
Methods, systems, and computer-readable media for centralized management of remote endpoint devices are disclosed. Instances of agent software are installed on endpoint devices that are external to a multi-tenant provider network. The agent software is communicatively coupled to a centralized management service of the multi-tenant provider network. A software package is selected from a marketplace service of the multi-tenant provider network. The marketplace service comprises product offerings for a plurality of software packages. The centralized management service sends information indicative of a configuration associated with the software package to the agent software of one or more of the endpoint devices that are associated with the software package. The centralized management service receives, from the agent software, an indication that the configuration has been deployed on the one or more of the endpoint devices. |
| US11329950B2 |
Wide area network edge device connectivity for high availability and extensibility
A WAN controller can configure a first WAN interface on a first WAN edge device to connect to a first transport network. The WAN controller can configure a second WAN interface on a second WAN edge device to connect to a second transport network. The WAN controller or the first WAN edge device, connected to a first access device of an access network, can determine the first WAN edge device has no Layer 2 connectivity to the second WAN edge device, connected to a second access device of the access network. The WAN controller or the first WAN edge device can establish a tunnel between the first WAN edge device and the second WAN interface. The WAN controller can route a specified class of WAN traffic received by the first WAN edge device from the access network through the tunnel. |
| US11329946B2 |
Optimization of the refresh rate of a DNS registration
A method is described for optimizing the refresh rate of at least one part of a registration, the registration including an association between a first identifier of a resource on a network and a second identifier of the resource, and a time to live for said association. The method is performed by a resolver server having obtained the registration from an authorization server. The method includes transmitting a message comprising at least the association to an application server referencing the first identifier. |
| US11329943B2 |
Wireless network reliability over relatively low-power protocols
Systems and methods relating to communication over relatively low power protocols by adding reliability functionality are presented. Sent messages having reliability functionality include an acknowledgment request flag that indicates that the message includes a request to acknowledge the request once received and an application payload that includes data for the message. The acknowledgment request flag causes responding devices to send an acknowledgment message to the sending device indicating that the sent message has been received. |
| US11329938B2 |
Terminal apparatus and method for controlling internet of things (IoT) devices
An example terminal apparatus includes a communicator configured to communicate with at least one device through a hub device; a display configured to display an image; a user input receiver configured to receive a user's input; and at least one processor configured to control the display to display a dialog box where the hub device or the at least one device is set as a counterpart in response to execution of a messenger program, control the communicator to transmit a control signal including a command for controlling a predetermined device to the device targeted for control through the hub device so that the device targeted for control operates in response to the command corresponding to a user's input, and control the display to display a message corresponding to the transmitted command in the dialog box. |
| US11329937B2 |
Identifying non-focus area of content item and overlaying another content item onto the non-focus area
Methods and systems are described for identifying a non-focus area of a content item and overlaying another content item onto the non-focus area. A first content item is received. The first content item includes a plurality of frames. A non-focus area of first frame of the first content item is identified. A second content item is overlaid onto the non-focus area of the first frame of the first content. A different non-focus area of a second frame of the second frame of the first content item. As such, the methods and systems provide for additional content that fits into non-focus portions of the content without obscuring portions of the content intended, for example, to attract attention of an audience. |
| US11329936B1 |
Visual representation of sender domain information and e-mail routing
The system executes online on corporate premises or in a cloud service, or offline. An e-mail message is received at a server within a corporate network or cloud service. A header of the e-mail message is parsed to determine locations of server computers through which the e-mail message has traveled. Geographic locations are placed into a routing map. A banner is inserted into the e-mail message that includes the routing map or a link to the routing map. The routing map is stored by the e-mail gateway server at a storage location identified by the link. The modified e-mail message is delivered or downloaded from the e-mail server to a user computer in real time. The sender Web site is parsed to identify sender domain information to be inserted into the banner. If offline, a product fetches and modifies the e-mail message using an API of the e-mail server. |
| US11329934B2 |
Recording medium, information management method, and information management apparatus
An information management apparatus starts a conversation with a chatbot on an information processing terminal in response to a received chat start instruction, and based on the content of the conversation, sends recommend information related to a service to the information processing terminal. The information management apparatus sends pass information that enables access to user information received from the information processing terminal, the pass information being sent to an information processing device that corresponds to a provider of the service, when information indicating a desire to use the service is received from the information processing terminal in response to the recommend information. The information management apparatus deletes the user information when receiving from the information processing device, acknowledgment indicating that the service can be provided to the user that corresponds to the user information accessed using the pass information. |
| US11329932B2 |
Visual design of a conversational bot
A visual bot designer displays a user interface that has a visual authoring canvas and a property pane. It can also have a serialized file display pane. A user can provide authoring inputs on any of the user interfaces, and the visual bot designer computing system generates and displays updates on the other parts of the user interface. |
| US11329919B2 |
Effective handling of WCCP reject traffic
Systems, methods, and computer readable storage mediums are disclosed for the management of rejected traffic in a WCCP protocol. A request is received from a switch to redirect traffic from a client device to a cache engine. The cache engine determines that it cannot process traffic from the client device, and in response to the determination, sends a command to the switch to suspend traffic to the cache engine. The command includes instructions for one or more of removing a particular rule regarding routing of the traffic to the cache engine or modifying an access control list rule to exclude the cache engine. |
| US11329916B2 |
Device information method and apparatus for directing link-layer communication
A network device has an input configured to receive a message relating to a given device attempting to forward one or more packets across a computer network. The message has given device information relating to the given device. In addition, the routing device also has a selector, operatively coupled with the input, configured to select (after receiving the given data) a given group routing policy from a plurality of group routing policies. Preferably, the selector is configured to select the given group routing policy as a function of the given device information. The routing device also has an output operatively coupled with the selector. The output is configured to cause routing of device communication across the network using link-layer routes specified by the given group routing policy. |
| US11329915B2 |
Router and method for operating a communication system having redundant routers
Within a communication system having redundant routers, datagrams are forwarded from source communication devices to target communication devices via routers based on routing information stored in routing tables of the routers, wherein for each communication terminal, a virtual router is configured as a default gateway, to which virtual router a group of a plurality of routers is assigned, where routers from the same group assigned to a virtual router select from among themselves a router operated as the active default gateway, the routers not operated as the active default gateway are operated as reserve gateways, and where the active default gateway in question transmits, only upon a request for stored address assignments that is received from a reserve gateway, all stored address assignments to a requesting reserve gateway in bundled form. |
| US11329911B2 |
Local repair for underlay failure using prefix independent convergence
This disclosure describes techniques for improving speed of network convergence after node failure. In one example, a method includes storing, by a virtual router agent of a compute node managed by a Software Defined Networking (SDN) controller, a forwarding information data structure with a shared liveness vector orthogonal to the forwarding path to indicate a liveness state of a plurality of overlay network tunnel endpoint next hops, wherein the shared liveness vector is shared by each of a plurality of members for a plurality of composite next hops that share a common list of the plurality of overlay network tunnel endpoint next hops; and in response to determining, by the virtual router agent, that the orthogonal liveness vector indicates that each of the plurality of overlay network tunnel endpoint next hops are reachable, distributing network traffic to one or more of the plurality of overlay network tunnel endpoint next hops. |
| US11329909B2 |
Apparatus, system, and method for discovering network paths
The disclosed computer-implemented method may include (1) receiving, at a source node, a request to discover a plurality of network paths that each lead from the source node to a destination node and (2) discovering the plurality of network paths by (A) identifying each next hop between the source node and the destination node, (B) sending, from the source node to each next hop, a path-request probe that prompts the next hop to (i) determine each next-closest hop and (ii) return, to the source node, a path-response probe that identifies the next-closest hops, (C) receiving the path-response probes from the next hops, (D) determining, at the source node based on the path-response probes, that one or more of the plurality of network paths include the next hops and the next-closest hops, and then (E) iteratively discovering any subsequent hops by sending a subsequent path-request probe to each next-closest hop. |
| US11329900B1 |
Sequenced capacity deployment for WAN and datacenter networks
Determining an upgrade path from a starting topology to a target topology of a network is computationally intense and does not guarantee a steadily increasing usable capacity of the network at each stage within the upgrade path. The disclosed technology allows for a sequence of stages related to network upgrades to be generated. The technology ensures that networks can be upgraded in a sequential manner, where each step in the sequence does not violate service level objectives related to the network, ensures operational continuity of the network by users of the network, and ensures that the available network resources increase as the sequential upgrades are rolled out. The pathway determined is determined in a computationally efficient manner. |
| US11329899B2 |
Cloud-based application performance management and automation
A system for managing system performance of one or more customer systems, the system comprising: a memory for storing one or more objects; a gateway communicatively coupled to a customer system, the customer system separated from a wide area network by a firewall, and including one or more computer systems and databases within a customer premises; one or more processors communicatively coupled to the memory and the gateway, the firewall being disposed between the gateway and the one or more processors, the one or more processors and the gateway configured to receive data related to speed, performance of the customer system over a first period of time, receive data related to speed and performance of the customer system over a second period of time, and provide one or more displays related to comparisons of speed and performance over the first and second periods of time based on a user input. |
| US11329897B2 |
SLA packet steering in network service function chaining
This disclosure describes techniques that include adding information to a network service header in packets being processed by a set of compute nodes in a service chain. The information added to the network service header can be used during selection of the next hop in a service chain, and may be used to help ensure that service level agreements (SLA) are met with respect to one or more metrics. In one example, this disclosure describes a method that includes receiving, by a service complex having a plurality of service nodes, a packet associated with a service chain representing a series of services to be performed on the packet by one or more of the plurality of service nodes; identifying, by the service complex, one or more service chain constraints associated with the service chain; and modifying the packet, by the service complex, to include information about the service chain constraints. |
| US11329896B1 |
Cognitive data protection and disaster recovery policy management
An embodiment for cognitively aligning data protection (DP) and disaster recovery (DR) policies is provided. The embodiment may include ingesting a variety of data associated with one or more applications into a repository. The embodiment may also include executing differential analysis on the data and changes to the data to identify differences between the data and the changes to the data. The changes to the data may be obtained by periodically polling internal and external data sources. The embodiment may also include translating the differences between the data and the changes to the data into an updated SLA. The embodiment may further include in response to determining that the differences between the data and the changes to the data warrant a change in the current DP and DR policies, generating one or more recommendations to modify the current DP and DR policies and/or create new DP and DR policies. |
| US11329895B2 |
Method and system for measuring quality of global cloud network
A global cloud network quality measurement method may include generating an Internet protocol (IP) list of open web servers having at least one externally open port for each country; collecting packet data through communication with each of the open web servers based on the IP list; and analyzing a network quality with respect to at least one of a region, an Internet service provider (ISP), and an autonomous system number (ASN) based on the collected packet data. |
| US11329894B2 |
Frame-based network condition indicator for user equipment including for 5G or other next generation user equipment
The disclosed technology is directed towards a frame-based indicator that can convey current network condition information and the type and quality of service currently available. The frame-based indicator can fit the shape of a user equipment, such as surrounding the display screen. The frame can be used to indicate various network information, including, but not limited to signal power, signal quality, noise, type of band available, network speeds and network latency. Network quality and types of services can be differentiated by frame size, frame pattern, frame color, frame color intensity, frame background gradient, frame flash pattern, frame animation, and so forth. The operating system and application programs can use the frame-based indicator to convey the various network-related information. |
| US11329890B2 |
Network-aware workload management using artificial intelligence and exploitation of asymmetric link for allocating network resources
Systems which support an asymmetric link define rules and policies in each individual physical layer. An asymmetric link is a physical layer with a different number of transmit versus receive lanes. Asymmetric links enable physical layers to optimize performance, power, and system resources based on the required data bandwidth per direction across a link. Modern applications exhibit large demands for high memory bandwidth, i.e., more memory channels and larger bandwidth per channel. The utilization data, patterns) of link usage, and/or patterns) of lane usage may be gathered to exploit the facilities provided by asymmetric links. An engine includes AI-fueled analytics to monitor, orchestrate resources, and provide optimal routing, exploiting asymmetric links, lane polarity, and enqueue-dequeue in a computing ecosystem. |
| US11329889B2 |
Generating and implementing a platform-neutral cloud-native application model
The present disclosure relates to systems, methods, and computer-readable media for generating a platform-neutral application model that provides a complete and accurate representation of functionality and topology for a cloud-native application. For example, systems disclosed herein analyze application data to identify platform neutral application features including resources, mesh connections, and quality of service (QoS) constraints associated with implementing a cloud-native application via a cloud computing system. The systems disclosed herein further construct a platform-neutral application model including identifiers of the application features. The platform-neutral application model facilitates convenient translation of applications between different platforms and further streamlines development and deployment of cloud-native applications across any number of platforms. |
| US11329884B2 |
Network capacity planning systems and methods
A network capacity planning system for forecasting and scheduling of network capacity for electronic devices is provided. A server monitors usage of a network associated with the electronic devices. The server analyzes a frequency of a transmission of data packets between the electronic devices and the network, and a time duration of a network busy time based on predetermined thresholds. The server uses results of the analysis to drive a dynamic mechanism, which identifies when a bandwidth associated with the network needs to be upgraded to support the growing network bandwidth requirements. The server adjusts a network capacity value of a network routing device associated with the network to support the required bandwidth for an operation of the electronic devices. |
| US11329881B2 |
Method and system for network topology enforcement
A method and system for enforcing network topology. The method includes receiving, at a first port on a first switch, a second role associated with a second switch, where the second switch is connected to the first switch using the first port, and where the first switch is associated with a first role. The method further includes making a first determination, using the first role, the second role, and a network topology policy, that the first switch should not be connected to the second switch. Sending, in response to the first determination, a first alert to an alert recipient, where the first alert specifies that the first switch is improperly connected to the second switch. |
| US11329879B2 |
Dynamic network configuration during device installation
One example method of operation may include determining a network mode of operation designated by a managing device communicatively coupled to a plurality of network devices, identifying whether one or more of the plurality of network devices are violating one or more compliance measures associated with the network mode of operation, and determining via the managing device whether to accept the network configuration or reject the network configuration based on whether one or more of the compliance measures are violated. |
| US11329874B2 |
Vehicle to everything (V2X) centralized predictive quality of service (QoS)
Certain aspects of the present disclosure are generally directed to techniques for selecting a configuration for communication using vehicle to everything (V2X) type communication protocol. Certain aspects provide a method for wireless communication by a user-equipment (UE). The method generally includes determining one or more parameters corresponding to quality of service (QoS) information for communication of data using a V2X communication protocol, reporting the one or more parameters by transmitting a first message, receiving a second message indicating configuration information corresponding to the communication of the data using the V2X communication protocol, and communication the data based on the configuration information. |
| US11329872B2 |
Industrial internet of things device provisioning
Provisioning industrial internet of things (IIOT) devices arranged for deployment in disparate geographic locations includes grouping a subset of IIOT devices into a batch. Each IIOT device stores a system-wide unique identifier (SWUI) and first communication information that identifies a global computing server. The method includes recording with a first input system the SWUI of each IIOT device in the batch, generating a batch identifier, associating the batch identifier with the batch of IIOT devices or each IIOT device in the batch, and associating the batch identifier with customer information. The customer information is associated with second communication information, which identifies a customer-based computing server. The method includes receiving, at the global computing server, incoming communications from a selected IIOT device, and based on the SWUI, and retrieving the batch identifier. Based on the batch identifier, second communication information identifying the customer-based computing server is transmitted to the selected IIOT device. |
| US11329871B2 |
Conditional inheritance in management frame for multi-link aggregation
This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for implementing multi-link aggregation and conditional inheritance in a first basic service set (BSS). In one aspect, an apparatus may establish a first communication link with a first station (STA) of the first BSS using a first frequency band. The apparatus may determine a first link profile for a second communication link by customizing one or more management elements of management information associated with the first communication link. The apparatus may configure a first non-inheritance element of the first link profile associated with the second communication link to indicate usage of at least one management element of the management information by the second communication link is disabled. The apparatus may generate a management frame that comprises at least the first link profile, and may output the management frame for transmission. |
| US11329870B2 |
Utilizing machine learning to reduce cloud instances in a cloud computing environment
A device receives, from a cloud computing environment, cloud instance information associated with cloud instances in the cloud computing environment, and processes the cloud instance information, with a machine learning model, to determine containers for one or more of the cloud instances and whether cloud instances should be removed from the cloud computing environment. The device causes a first subset of the cloud instances to be removed from the cloud computing environment, based on determining which of the cloud instances should be removed, and causes the containers to be created for a second subset of the cloud instances based on determining the containers. The device receives, from the cloud computing environment, cloud container information associated with the containers created in the cloud computing environment, and causes one or more of the containers to be scaled based on the cloud container information. |
| US11329858B2 |
Quardrature phase-shifting keying reception for non-equiprobable bit reception
A method is performed by a wireless device for transmitting Hybrid Automatic Repeat Request (HARQ) feedback. The wireless device, for an uplink transmission to be transmitted on an uplink channel, applies a modified modulation constellation for a HARQ feedback. The modified modulation constellation has a modified Acknowledgment/Non-Acknowledgment (ACK/NACK) assignment as compared to a normal modulation constellation having a normal ACK/NACK assignment. The wireless device further transmits HARQ feedback in the uplink transmission according to the modified modulation constellation. |
| US11329855B2 |
Orthogonal frequency division multiplexing demodulator, demodulation method, and receiver
There are provided an orthogonal frequency division multiplexing (OFDM) demodulator, a demodulation method and a receiver. The OFDM demodulator includes a phase analog-to-digital converter and a determiner, wherein the phase analog-to-digital converter is configured to acquire an OFDM analog signal, extract and quantize phase information of a modulated signal on each subcarrier in the OFDM analog signal, and output a phase quantified value corresponding to the phase information of the each subcarrier; and the determiner is configured to perform determination according to the phase quantified value, to obtain modulation information corresponding to the each subcarrier. |
| US11329854B2 |
Data modulation method and apparatus
Provided are a data modulation method and apparatus, and a storage medium. The method includes: modulating a first data sequence to obtain a second data sequence; inserting a third data sequence into the second data sequence to obtain a fourth data sequence, where each of data, except for a first one and a last one in the fourth data sequence, of the third data sequence in the fourth data sequence satisfies that power of the each datum is equal to average power of two data adjacent to the each datum, and a phase of the each datum is within an angle between the two data adjacent to the each datum; and transmitting the fourth data sequence. |
| US11329853B2 |
Tone reservation for peak to average power ratio reduction
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a resource allocation indicating a plurality of transmission tones comprising a subset of data tones of a plurality of data tones and a subset of peak reduction tones (PRTs) of a plurality of PRTs, wherein the resource allocation indicates locations for the plurality of data tones and locations for the plurality of PRTs within a particular bandwidth, wherein the locations for the plurality of PRTs are arranged relative to the locations for the plurality of data tones according to a PRT subsequence of a universal PRT sequence, and wherein the PRT subsequence corresponds to a sub-band of the particular bandwidth; and transmit a data transmission using a waveform based at least in part on the resource allocation. Numerous other aspects are provided. |
| US11329852B2 |
Method for determining reserved tones and transmitter for performing PAPR reduction using tone reservation
A method of determining reserved tones to be used for reduction of a peak to average power ratio (PAPR) of a signal includes: randomly selecting carrier indices for the reserved tones and generating a kernel signal based on the randomly selected carrier indices; calculating a comparison reference average value of the kernel signal, comparing the calculated comparison reference average value with a prestored comparison reference average value, and preliminarily determining carrier indices of the reserved tones based on the comparison; randomly re-arranging an order of the preliminarily determined carrier indices of the reserved tones; and calculating the comparison reference average value while changing each of the re-arranged indices of the reserved tones, and finally determining carrier indices for which the calculated comparison reference average value becomes the smallest value as carrier indices of the reserved tones. |
| US11329848B2 |
Reciprocal calibration for channel estimation based on second-order statistics
A wireless communication method includes receiving, by a first wireless device during a training phase, reference tones using a first number of resource elements from a transmitter of a second wireless device, wherein the first wireless device comprises multiple receiving antennas, estimating, by the first wireless device, from the receiving the reference tones, a second order statistics of wireless channels between the multiple receiving antennas and the transmitter of the second wireless device, and performing channel estimation, during an operational phase subsequent to the training phase, using the second order statistics and reference tones received on a second number of resource elements, wherein the second number is less than the first number. |
| US11329847B1 |
Scalable in-band telemetry as a service (TAAS)
Systems and methods for INT telemetry are disclosed. The system selects a subset of flows from a plurality of flows to monitor. Parameters of the selected flows are sent by the management controller to an INT source for creating a watchlist. The INT source analyses an incoming packet against the parameters in the watchlist to determine if the packet belongs to a flow selected for monitoring. If the packet matches any one of the parameters, then the INT source embeds the packet with an IP address of a designated tenant collector and the INT instructions. A designated collector is allocated for each flow, set of flows, or tenant. Regardless of the path taken by the packet, the embedded INT packet contains all the information needed for a downstream network element to send telemetry data without the need for configuring the network element for telemetry. |
| US11329845B2 |
Port mirroring over EVPN VXLAN
This disclosure describes techniques for improved port mirroring over Ethernet Virtual Private Network (EVPN) Virtual eXtensible Local Area Network (VXLAN). For example, a method includes receiving, by a first network device of a plurality of network devices of a leaf and spine network configured with an Ethernet Virtual Private Network and from a second network device of the plurality of network devices, an extended routing message including information indicating the second network device is connected to an analyzer, and wherein the plurality of network devices is configured with a Virtual Local Area Network (VLAN) for which the analyzer is configured to analyze packets. The method also includes configuring, within forwarding information of the first network device and in response to receiving the extended routing message advertised by the second network device, a next hop that specifies packets associated with the VLAN are to be forwarded to the second network device. |
| US11329844B2 |
Selected mode signal forwarding between serially chained devices
In described examples, a circuit is adapted to receive an input signal at a local port or a first system port. A transceiver is configured to enter a first mode in response to a local wakeup signal and is configured to transmit a system wakeup signal at a second system port in response to the local wakeup signal. A controller is configured to generate the local wakeup signal in response to an energy detected signal. An energy detector is coupled to the first system port and the local port and is configured to generate the energy detected signal in response to a detection of energy of one of the first system input signal and the local input signal received by the transceiver in the second mode. |
| US11329840B2 |
Voice control of endpoint devices through a multi-services gateway device at the user premises
A gateway device providing and managing interactive user voice-controlled home automation services over at least endpoint devices associated with the gateway device is described. Interfaces enable communications of the gateway device with at least one endpoint device located within a user premises and data networks. A processor coupled to the interfaces and programming in storage in the server operate a communications program for configuring the gateway to communicate with endpoint devices, associate endpoint devices with the gateway, and communicate with a remote serve to access service management center applications. A home automation control program provides operation via a home automation controller configured in the gateway with voice automation messaging protocols based on the voice commands to enable interactive voice-controlled control of endpoint devices using voice commands and automate functions associated with the endpoint devices. |
| US11329837B2 |
Network device and power supply method
A network device includes a power system, a processor, a power sourcing equipment PSE chip coupled to a first forward power supply port, and a first powered device PD chip coupled to a first reverse power receiving port. A first powered device is connected to the first forward power supply port and the first reverse power receiving port. When detecting that a power failure occurs on the network device, the processor instructs the first PD chip to draw power from the first powered device; the first PD chip draws the power from the first powered device through the first reverse power receiving port, and supplies the obtained power to the power system. Therefore, when a power failure occurs, the network device can continue to obtain power and work properly when the power failure occurs. |
| US11329835B2 |
Apparatus and method for authenticating IoT device based on PUF using white-box cryptography
Disclosed herein are an apparatus and method for authenticating an IoT device. The method, performed by the IoT device authentication apparatus, includes transmitting, by the IoT device authentication apparatus, a random number to the IoT device and encrypting, by the IoT device authentication apparatus, the random number using a previously registered first white-box cryptography value through a white-box cryptography method; generating, by the IoT device, a first device response value from a previously registered first device challenge value using a Physical Unclonable Function (PUF) and encrypting, by the IoT device, the random number, received from the IoT device authentication apparatus, using the first device response value; and performing, by the IoT device authentication apparatus, authentication of the IoT device by checking whether the random number encrypted using the white-box cryptography method matches the random number encrypted using the PUF, which is received from the IoT device. |
| US11329834B2 |
System and method for generating and authenticating a physically unclonable function
A method for controlling access to a chip includes obtaining first values of a first physically unclonable function of the chip, obtaining second values that correspond to at least one challenge word, performing a simulation based on the first values and the second values, and generating an authentication result for the chip based on results of the simulation. The simulation may generate responses to logical operations corresponding to combinatorial logic in the chip, and the logical operations may be performed based on a predetermined sequence of the first values and the second values. The chip may be authenticated based on a match between the responses generated by the simulation and a second physically unclonable function of the chip. |
| US11329833B2 |
Programmable device key provisioning
The present disclosure provides systems and methods for improving provision of secret data on programmable devices. An appliance receives physical unclonable function (PUF) data pertaining to an integrated circuit. Secret data is provided to the appliance from a secret vault. Public and private PUF keys are derived based upon the PUF data. Further, ephemeral public and private keys are derived by the appliance. The public and private PUF keys, along with the ephemeral public and private keys are used to establish a secure channel for programming the secret data on the programmable device. |
| US11329832B2 |
System and method for dynamic knowledge-based authentication
The present disclosure relates to knowledge based authentication whereby a user is authenticated through third-party linked accounts. The method includes receiving an authentication request from a merchant computer, assessing one or more data fields to generate an authentication challenge for the user, connecting to one or more third-party account service provider to extract user-related data, generating the authentication challenge based on the extracted user-related data from the third-party account service provider, posing the authentication challenge to the user on a user device, receiving a response to the authentication challenge, and returning the authentication response to the merchant. |
| US11329831B2 |
Practical end-to-end cryptographic authentication for telephony over voice channels
Methods and apparatuses for providing cryptographic authentication within a voice channel are disclosed. The methods and apparatuses can provide cryptographic authentication solely within a voice channel or can use a combination of a voice channel and another data channel. A method for providing cryptographic authentication within a voice channel can operate between telephonic systems and be suitable for operating over G.711/PCMu, AMR and SPEEX™ codecs, and suitable for operating over mobile, PSTN, and VOIP networks. The method can include providing a modem that is codec agnostic and suitable for executing a TLS-based authentication protocol. The method can include using frequency-shift modulation within a frequency range of 300-3400 Hz. |
| US11329826B2 |
Blockchain-based communication systems and methods
Exemplary embodiments are directed to a blockchain-based communication system. The system includes a public blockchain, a private blockchain and a processing device in communication with the public and private blockchains. The public blockchain includes a database configured to electronically store registration data associated with an originator and at least one recipient. The private blockchain is configured to allow for transmission of data between the originator and the at least one recipient. The processing device is configured to receive a request from the originator to compose a message to be transmitted from the originator to the least one recipient, receive as input and associate at least one digital rights management (DRM) parameter with content of the message, and generate a micro-blockchain within the private blockchain having an originator node associated with the originator and a recipient node associated with the at least one recipient. |
| US11329824B2 |
System and method for authenticating a transaction
A system and method for authenticating a transaction are provided. In a method at a server computer of an authentication service provider, an authentication request is received which requests authentication of a transaction and includes transaction details describing the transaction. An encryption key being unique to the authentication service provider and a user mobile device is obtained. An authentication prompt including at least some of the transaction details is generated. A payload including the authentication prompt is encrypted using the encryption key to output an encrypted payload. The encrypted payload is provided via a first communication channel to a user for acquisition and decryption by the user mobile device using a decryption key corresponding to the encryption key. |
| US11329814B2 |
Self-encryption drive (SED)
A self encryption drive (SED) receives a media encryption key (MEK) from a key management server. The MEK is stored only in volatile memory of the SED. Data is encrypted for storage in a non-volatile storage media of the SED based on the MEK. Further, the MEK is erased in the volatile memory to crypto-erase the SED by deleting all instances of the MEK stored by the SED. |
| US11329813B2 |
Secure data storing and retrieval system and method
Aspects of the subject disclosure may include, for example, a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations including: dividing data provided for storage into data segments; encrypting each data segment of the data segments with an encryption key, thereby creating encrypted data slices; arranging a cluster of sectorized servers in an ordered list of sectorized servers; selecting a first sectorized server from the ordered list of sectorized servers; generating an access key; and sending a first encrypted data slice of the encrypted data slices and the access key to the first sectorized server, wherein the first sectorized server stores the first encrypted data slice in a sector of the first sectorized server, and retrieves the first encrypted data slice from the sector upon presentation of the access key. Other embodiments are disclosed. |
| US11329809B2 |
Method and system for hybrid classical-quantum communication
This invention relates generally to a method and system for hybrid classical-quantum communication. The method comprises transmitting a single photon having a particular quantum state over a communication medium using a quantum mode set; and transmitting a classical light beam over the same communication medium using a classical mode set, wherein the classical and quantum mode sets comprise non-separable modes in common. The non-separable modes in common may be two degrees of freedom of a single photon or classical light and may thus be spatial modes in one or more indexes, and polarisation. The invention relates also to a system to implement the method accordingly. |
| US11329807B2 |
Controlled cryptographic private key release
A computer-implemented method includes: storing an encryption public key that is associated with a group of nodes, each node in the group associated with a private key share, the private key shares associated with a threshold private key reconstruction scheme for the group to allow an encryption private key associated with the encryption public key to be determined from at least a threshold of the private key shares; iteratively obtaining a plurality of indicators provided by a plurality of nodes of the group, each of the indicators representing one of an encryption private key share or a dummy signal; and identifying the encryption private key by iteratively: i) selecting a subset of the indicators; ii) calculating a possible shared secret; and iii) evaluating each possible shared secret against the encryption public key to determine whether the possible shared secret is the encryption private key. The invention is suited for implementation on a blockchain. |
| US11329802B2 |
Systems and methods for data collection with blockchain recording
Various embodiments provide for data object collection, management, tracking, or control with a blockchain. In particular, some embodiments collect, manage, track, or control one or more data objects between two or more nodes, where each node is associated with a particular user and each particular user controls their respective data objects through their associated node. A node associated with a particular user can effectively serve as a computer container for storing data objects associated with the particular user, and further for supporting one or more functions (e.g., collection, management, tracking, or control functions) with respect to the data objects associated with the particular user. |
| US11329798B2 |
Apparatus and method for set intersection operation
An apparatus for set intersection operation according to an embodiment includes a ciphertext acquisition unit configured to acquire a ciphertext for a first vector corresponding to a first subset of a universal set including a plurality of elements from an encryption apparatus, a transform unit configured to generate a second vector corresponding to a second subset of the universal set, a computation unit configured to generate a ciphertext for a third vector corresponding to an intersection of the first subset and the second subset, based on the ciphertext for the first vector and the second vector, and a ciphertext providing unit configured to provides the ciphertext for the third vector to the encryption apparatus. |
| US11329790B2 |
Bandwidth part full-duplex communication techniques
Various designs for implementing bandwidth part (BWP) full-duplex (FD) are discussed. A base station serving a plurality of user equipments (UEs) over a component carrier bandwidth (CC BW) receives a reference signal from a UE while transmitting downlink traffic to another UE over a part of the CC BW. The base station determines, based on the reference signal, a level of interference on transmissions over the part of the CC BW, and, based at least in part on interference cancelation capabilities of the base station and the level of interference, at least one portion of the CC BW for full-duplex operations. The base station activates full-duplex operations for the at least one portion of the CC BW, which includes receiving from the UE while transmitting to another UE over the same portion of the CC BW. Other aspects and features are also claimed and described. |
| US11329785B2 |
Method and system for multi-carrier packet communication with reduced overhead
A method and system for minimizing the control overhead in a multi-carrier wireless communication network that utilizes a time-frequency resource is disclosed. In some embodiments, one or more zones in the time-frequency resource are designated for particular applications, such as a zone dedicated for voice-over-IP (VoIP) applications. By grouping applications of a similar type together within a zone, a reduction in the number of bits necessary for mapping a packet stream to a portion of the time-frequency resource can be achieved. In some embodiments, modular coding schemes associated with the packet streams may be selected that further reduce the amount of necessary control information. In some embodiments, packets may be classified for transmission in accordance with application type, QoS parameters, and other properties. In some embodiments, improved control messages may be constructed to facilitate the control process and minimize associated overhead. |
| US11329783B2 |
Method and device for performing communication
Embodiments of the disclosure provide a method and device for performing communication. The method comprises: determining a target transmission pattern from a set of candidate transmission patterns, wherein the target transmission pattern is indicated by a signal including one or more of: a reference signal, a signal for performing CRC, and a feedback signal; and performing communication between a network device and a terminal device by using the target transmission pattern. |
| US11329781B2 |
Sounding reference signal (SRS) transmission in multiple SRS symbols in a subframe
Certain aspects of the present disclosure relate to techniques for sounding reference signal (SRS) transmission in multiple SRS symbols in a subframe based on multiple SRS configurations, including determining for each of the multiple symbols a SRS pattern index. In some examples, the present disclosure provides a method of wireless communication by a user equipment (UE). In certain aspects, the method includes receiving, from a base station, information corresponding to a plurality of SRS configurations for a subframe, and determining a plurality of symbols in the subframe for transmitting SRS based on the plurality of SRS configurations. |
| US11329779B2 |
Information transmission method and device
Embodiments of the present invention relate to the communications field, and disclose an information transmission method and device to implement beamforming on an SRS. A specific solution is as follows: A base station configures at least one first resource for a UE, where the first resource is used by the UE to transmit a target channel and/or signal; and the base station transmits first indication information to the UE, where the first indication information is used to indicate a correspondence between the first resource and a beam, or the first indication information is used to indicate a correspondence between the first resource and a second resource. The embodiments of the present invention are used in a beamforming process. |
| US11329777B2 |
Data communication apparatuses, data communication system and methods using reference symbols
A data communication apparatus, for transmitting one or more blocks of data within a frame including a two-dimensional grid of transmission symbol positions is configured to select a group of transmission symbol positions, which is a subset of the two-dimensional grid of transmission symbol positions, for a transmission of a data portion. The data communication apparatus is configured to select one or more reference symbol positions associated to the selected group of transmission symbol positions, out of a plurality of possibilities, based on an information describing a desired relative position of the reference symbol position with respect to the selected group of transmission symbol positions. Other apparatuses also use a flexible selection of transmission symbol positions and a flexible selection of reference symbol positions. A system, methods and computer programs are also described. |
| US11329773B2 |
Non-orthogonal multiple access hopping pattern techniques for spreading sequences
Methods, systems, and devices for wireless communications are described that provide sequences of spreading codes and hopping patterns that may be used in non-orthogonal multiple access (NOMA) communications between a user equipment (UE) and a base station. A codebook of spreading codes and the associated hopping patterns may be systematically constructed by closed form formulas or look up table. The base station may receive multiple concurrent transmissions from multiple different UEs, and the sequences of spreading codes and hopping patterns, may be used to identify a particular UE of the multiple UEs. |
| US11329768B2 |
Data transmission method and device, and computer storage medium
Disclosed are a data transmission method and device, and a computer storage medium. The method comprises: a first terminal sends a physical sidelink control channel (PSCCH) and/or a physical sidelink shared channel (PSSCH) to a second terminal, the PSCCH or the PSSCH comprising feedback information and/or measurement information. |
| US11329760B2 |
Method and apparatus for scheduling multimedia streams over a wireless broadcast channel
A method of broadcasting data is disclosed. A plurality of broadcast data streams are received and divided into a plurality of frames. Each frame includes data from only one of the broadcast data streams. The frames can then be broadcast wirelessly. |
| US11329758B2 |
Information processing method and wireless transmission device
Embodiments of this application provide an information processing method and a wireless transmission device. The method includes: obtaining, by a wireless transmission device, a target modulation and coding scheme MCS level; determining, by the wireless transmission device based on a correspondence among MCS levels, modulation schemes, and transport block parameters, a target modulation scheme and a target transport block parameter that correspond to the target MCS level; and performing, by the wireless transmission device, low-density parity-check code LDPC coding or decoding on a transport block based on the target modulation scheme and the target transport block parameter. According to the foregoing technical solution, a wireless transmission device in a system in which LDPC coding is used may perform LDPC coding or decoding on a transport block. |
| US11329749B2 |
Bandwidth allocation device and bandwidth allocation method
A bandwidth allocation device is included in a communication system having a terminal station device and a terminal device and relaying upstream data, which is received from a communication terminal by a lower device connected to the terminal device, to an upper device connected to the terminal station device. The bandwidth allocation device includes a transmission-permitted period start position determining unit configured to estimate a start position of an arrival period in which the upstream data arrives at the terminal device from the lower device; a transmission-permitted period length determining unit configured to estimate a length of the arrival period based on an amount of upstream data to be transmitted from the lower device to the terminal device; and a bandwidth allocation unit configured to allocate a bandwidth to the terminal device based on the estimated start position and the estimated length of the arrival period. |
| US11329743B2 |
Transmission system, transmitting apparatus, receiving apparatus, and program
In a transmission system of an audio signal etc., circuit enlargement is suppressed and deterioration of transmitting signal is reduced. A transmission system including a transmitting apparatus including a first delta-sigma modulator outputting first multi-bit delta-sigma modulated signals of three or more bits and a first code modulator code-modulating first signals of two or more bits located in bit positions higher than a predetermined bit position of the first multi-bit delta-sigma modulated signals based on at least part of a second signal located in one or more bit positions not higher than the predetermined bit position and outputting a plurality of modulated signals; a transmission path transmitting the second signal and the plurality of modulated signals; and a receiving apparatus including a first demodulator demodulating the plurality of the received modulated signals based on at least part of the received second signal is provided. |
| US11329737B1 |
Systems and methods for modification of radio access network parameters based on channel propagation models generated using machine learning techniques
A system described herein may provide for the use of artificial intelligence/machine learning (“AI/ML”) techniques to generate models for various locations or regions (e.g., sectors) associated with one or more radio access networks (“RANs”) of a wireless network. The system may further use AI/ML techniques to generate interference models to reflect types and/or amounts of channel propagation metrics measured within the RAN. The system may further determine, based on attributes of a given sector, a sector model and/or a channel propagation model associated with the sector. Based on the sector model and/or the determined channel propagation model, one or more actions may be determined in order to enhance channel propagation metrics within the sector, such as at portions of the sector at which increased demand for wireless service is detected. |
| US11329735B2 |
Calibration device, method and program for achieving synchronization between audio and video data when using short range wireless audio devices
An electronic apparatus, method, and algorithm achieve synchronization between video data executed on a video sink device and audio data executed on one or more Bluetooth audio sink devices. The electronic apparatus, method, and algorithm obtain calibration information for the one or more Bluetooth devices, determine a delay for outputting the video and audio data to the video sink device using the calibration information, control the Bluetooth transceiver to output the audio data to the one or more Bluetooth devices, and control the output circuit to output the video and audio data to the video sink device in accordance with the determined delay. |
| US11329730B2 |
Quantum communication system having time to frequency conversion and associated methods
A quantum communications system may include a transmitter node, a receiver node, and a quantum communications channel coupling the transmitter node and receiver node. The receiver node may be configured to arrange a received bit stream of optical pulses from the transmitter node into time bins, convert the optical pulses in the time bins into corresponding optical pulses in frequency bins, and detect respective optical pulse values from each of the frequency bins. |
| US11329724B2 |
State of polarization tracking recovery method and apparatus
A state of polarization tracking recovery method and apparatus. The apparatus at least includes a processor configured to fit Stokes vectors to which predetermined symbols correspond of two states of polarization in a received dual-polarization multiplexing optical signal on a Poincare sphere to obtain a fitted plane. The processor calculates a compensation matrix for polarization-dependent loss (PDL) in a Jones space by moving a center of the fitted plane to the origin of the Poincare sphere, and calculates a demultiplexing matrix used for polarization demultiplexing in a Jones space by rotating the fitted plane with the center being moved to the origin until a normal vector of the fitted plane is parallel with a first axis of the Stokes space and rotating the fitted plane with the center being moved to the origin to a plane constituted by a second axis and a third axis of the Stokes space. |
| US11329723B2 |
O-band optical communication system with dispersion compensation
An O-band optical communication system includes a transmitter, a receiver, and an optical fiber system coupled between the transmitter and the receiver. The optical fiber system includes at least a first fiber segment, with a positive dispersion-wavelength gradient and a first zero dispersion wavelength, coupled in series to a second fiber segment, with a negative dispersion-wavelength gradient and a second zero dispersion wavelength. When an optical signal propagating along the first fiber segment has a wavelength shorter than the first zero dispersion wavelength and experiences negative dispersion, at least partial positive dispersion compensation is provided by propagation along the second fiber segment. When light of the optical signal propagating along the first fiber segment has a wavelength longer than the first zero dispersion wavelength and experiences positive dispersion, at least partial negative dispersion compensation is provided by propagation along the second fiber segment. |
| US11329720B2 |
Ranging method for optical network, OLT, ONU, and optical network system
A ranging method for an optical network, an OLT, an ONU, and an optical network system are provided. The OLT sends a bandwidth allocation message to the ONU; an OLT receiving a response message sent by an ONU in a first sending mode, wherein the first sending mode comprises sending power and a transmission rate; and the OLT performs ranging on the ONU according to the response message. |
| US11329719B2 |
Proactive isolation of layer 1 faults based on layer 2 alarm indicators
Methods, systems, and apparatuses, among other things, may integrate one or more first alarms reported by routers and Ethernet switches with one or more second alarms reported by reconfigurable optical add/drop multiplexers (ROADMs) and optical transport network (OTN) network elements. Moreover, one or more troubleshooting actions may be performed based on the integrated first alarms and second alarms. |
| US11329717B2 |
Packet forwarding incorporating partial sorting of path costs or utilities
A method and apparatus for routing packets in a network, such as a satellite mesh network. For each one of multiple destination devices capable of further handling of the packet for routing to a destination (e.g. ground station) a respective cost or utility associated with forwarding the packet to that destination device is determined. For a given value k, an unsorted subset of k of the destination devices for which said costs are lowest or said utilities are highest is determined, without necessarily fully sorting the plurality of destination devices by cost or utility. The data packet is then forwarded to a selected one of this subset of destination devices. Cost may correspond to distance from destination device (e.g. satellite) to the further destination. Sorting networks and selector networks can be used, for example as implemented in hardware, to generate the unsorted subset. |
| US11329715B2 |
Wireless relay operation on top of 5G frame structure
There is provided a subframe arrangement for use in wireless communications between a relay node and a base station and between a user equipment and at least one of the base station and relay node, the subframe arrangement comprising a plurality of symbols and a downlink control portion comprising at least one symbol having a first portion allocatable to a first downlink control channel transmission, wherein the first downlink control channel transmission is from the base station to the relay node, an uplink control portion comprising at least one symbol having a first portion allocatable to a first uplink control channel transmission, wherein the first uplink control channel transmission is from the relay node to the base station, a data portion allocatable to one of one of uplink and downlink data transmission, wherein the data transmission is between the relay node and the base station, and wherein symbol timing of the subframe arrangement is different to the symbol timing of a subframe arrangement for use solely in wireless communications between a user equipment and at least one of the base station and a relay node. |
| US11329711B2 |
Apparatus, method and computer program
An apparatus comprising at least one processor, and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to: in response to a determination of a failure of one or more communication beams between the apparatus and a second apparatus, initiate a beam recovery procedure by transmitting a message to a third apparatus, the message comprising information of the failure of one or more communication beams; start a timer in response to the transmitting a message to the third apparatus; and determine whether a beam failure acknowledgement is received from the third apparatus before the timer expires. |
| US11329703B2 |
Transmitter, communication apparatus, method and computer program for transmitting amplitude shift keyed signals using multiple transmit antennas
A method of transmitting an amplitude shift keyed signal uses a multi-layered transmission over a plurality of transmit antennas with different precoding of different symbols for the respective layers. The method comprises obtaining a sequence of bits to be conveyed, keying the sequence of bits to a signal, precoding the signal to respective layer, and transmitting the precoded signal. A transmitter for transmitting the amplitude shift keyed signal, and a computer program for implementing the method are also disclosed. |
| US11329694B2 |
Mobile devices, mobile systems and operating methods thereof
A first mobile device including a connection terminal configured to electrically connect to a second mobile device, a variable impedance device connected to the connection terminal, the variable impedance device configured to vary an impedance, processing circuitry configured to determine a power line communication (PLC) mode between the first mobile device and the second mobile device to be one of a low-speed PLC mode or a high-speed PLC mode, and control the impedance of the variable impedance device according to the determined PLC mode, and a PLC modem configured to receive power from the second mobile device or communicate data with the second mobile device based on the determined PLC mode. |
| US11329692B2 |
Signal sensor
The invention provides a signal sensor. The signal sensor comprises a housing, having a connector and a display unit; a tuner, configured to receive a cable signal; a microcontroller unit (MCU), electrically connected with the tuner and the display unit; a scanning switch, electrically connected with the MCU; a power supply, configured to supply a power to the MCU, the tuner and the white LED; and a power switch, electrically connected with the MCU. |
| US11329689B1 |
Adaptive signal suppression using a feedforward waveform
Systems and method are provided for canceling unwanted transmitter-to-receiver leakage in a coherent wireless system using a feedforward waveform that overcomes the limitations of purely analog or purely digital cancelation systems and methods. Systems and methods in accordance with embodiments of the present disclosure generate a software-defined waveform that, when fed forward into the receiver, effectively cancels the leakage. Embodiments of the present disclosure can use a defined cancelation waveform (e.g., a software-defined cancelation waveform) that can cancel multiple leakage paths at the same time. |
| US11329684B2 |
Radio frequency signal boosters for vehicles
Apparatus and methods for signal boosters for vehicles are provided herein. In certain implementations, a vehicle signal booster system includes a signal booster and a mobile station antenna that receives an RF uplink signal and transmits a boosted RF downlink signal. The signal booster includes a housing, a mobile station antenna port that receives the RF uplink signal from the mobile station antenna and provides the boosted RF downlink signal to the mobile station antenna, a base station antenna that receives an RF downlink signal and transmits a boosted RF uplink signal, and booster circuitry. The booster circuitry generates the boosted RF downlink signal based on amplifying one or more downlink channels of the RF downlink signal, and generates the boosted RF uplink signal based on amplifying one or more uplink channels of the RF uplink signal. |
| US11329683B1 |
Device configured for functional diagnosis and updates
Devices, systems and methods for reconfigurable and/or updatable lightweight embedded devices or systems are disclosed. Via use of such a device, system, or method, various capabilities for a user are provided, simplified, secured, and/or made more convenient. The system may interact with various other devices or systems, including those that are cloud-based or communicate through the cloud, and may utilize various local sensors, in order to provide one or more of improved access, monitoring, or diagnostics, and so forth. |
| US11329680B2 |
Receiving device and method for dynamically adjusting the attenuation of the received signal
A receiving device is provided. The receiving device includes an antenna device, a filter circuit, a transceiver, an adjustable attenuator, a circulator, and a processor. The antenna device receives a received signal. The filter circuit separates an in-band signal and an out-band signal from the received signal. The adjustable attenuator adjusts the attenuation value corresponding to the in-band signal and transmits the adjusted in-band signal to the transceiver. The circulator receives the received signal from the antenna device and transmits the received signal to the filter circuit, and the circulator receives a reflected signal from the filter circuit. The processor determines how to adjust the attenuation value corresponding to the in-band signal according to information related to the out-band signal and information related to the in-band signal that has been processed by the adjustable attenuator and the transceiver. |
| US11329677B2 |
High dynamic range ask wake-up receiver
A wireless wake-up receiver includes multiple signal chains each signal chain being coupled to continuously receive a signal from a respective antenna and to provide a respective detected pattern at a signal chain output. Each signal chain includes a first path having a mixer-first architecture and operates in a bandpass-mode using differential signals. The wireless wake-up receiver also includes a digital correlator operable to receive the respective detected patterns and to determine whether one of the respective detected patterns is equal to a desired pattern. |
| US11329674B2 |
Apparatuses and methods for generating ad-hoc networks to extend coverage
Aspects of the subject disclosure may include, for example, connecting to network infrastructure to extend a scope of coverage associated with a service provided by the network infrastructure to a communication device, transmitting a first signal at a first frequency included within a frequency band that is detectable by the communication device, subsequent to the transmitting of the first signal, receiving a second signal from the communication device, and establishing, in accordance with the receiving of the second signal, a connection between the network infrastructure and the communication device via a processing system to facilitate the service. Other embodiments are disclosed. |
| US11329673B1 |
Memory error correction based on layered error detection
Methods, systems, and devices for memory error correction based on layered error detection are described. In some examples, a memory system identifies, based on a first type of error detection procedure, that a set of bits includes a quantity of erroneous bits that is uncorrectable based on the first type of error detection procedure alone. The memory system generates one or more candidate sets of bits based on altering different groups of bits within the set of bits and evaluate one or more such candidate sets of bits using a second type of error detection procedure until a candidate set of bits is identified as error-free. The memory system then corrects the set of bits based on the candidate set of bits identified as error-free. |
| US11329670B2 |
Transmitter and puncturing method thereof
A transmitter is provided. The transmitter includes: a Low Density Parity Check (LDPC) encoder configured to encode outer-encoded bits to generate an LDPC codeword including LDPC information bits and parity bits; a puncturer configured to puncture some of the parity bits included in the LDPC codeword; and a mapper configured to map the LDPC codeword except the punctured parity bits to symbols for transmission to a receiver, wherein the puncturer calculates a number of parity bits to be punctured among the parity bits included in the LDPC codeword based on a number of the outer-encoded bits, a number of the LDPC information bits, and a minimum number of parity bits to be punctured among the parity bits included in the LDPC codeword. |
| US11329669B2 |
Multi-lane serializer device
A multi-lane serializer device 1 includes serializer circuits 101 to 10N and a controller 20. A phase difference detector of each serializer circuit detects a phase difference between a load signal and a first clock, and outputs an abnormal detection signal to the controller 20 when the detected phase difference is abnormal. When the controller 20 receives the abnormal detection signal from any of the serializer circuits, the controller 20 transmits a batch reset instruction signal to all the serializer circuits. Then, in all the serializer circuits, when a reset signal generator receives the batch reset instruction signal output from the controller 20, the reset signal generator transmits a reset instruction signal to a load signal generator to reset the operation of a load signal generation in the load signal generator. |
| US11329668B2 |
Methods, decoder and encoder for handling a data stream for transmission between a remote unit and a base unit of a base station system
A method performed by an encoder of a base station system, for handling a data stream for transmission over a transmission connection between a remote unit and a base unit of the base station system, the remote unit being arranged to transmit wireless signals to, and receive from, mobile stations. The method comprises quantizing a plurality of IQ samples, converting the quantized plurality of IQ samples to IQ predictions, calculating per sample a difference between the quantized plurality of IQ samples and the IQ predictions in order to create IQ prediction errors. The method further comprises quantizing the IQ predictions or the IQ prediction errors, entropy encoding the IQ prediction errors and sending the entropy encoded IQ prediction errors over the transmission connection to a decoder of the base station system. The method can be performed by a decoder. |
| US11329660B2 |
VCO-based continuous-time pipelined ADC
VCO ADCs consume relatively little power and require less area than other ADC architectures. However, when a VCO ADC is implemented by itself, the VCO ADC can have limited bandwidth and performance. To address these issues, the VCO ADC is implemented as a back end stage in a VCO-based continuous-time (CT) pipelined ADC, where the VCO-based CT pipelined ADC has a CT residue generation front end. Optionally, the VCO ADC back end has phase interpolation to improve its bandwidth. The pipelined architecture dramatically improves the performance of the VCO ADC back end, and the overall VCO-based CT pipelined ADC is simpler than a traditional continuous-time pipelined ADC. |
| US11329659B2 |
Hybrid analog-to-digital converter with inverter-based residue amplifier
An apparatus and method for analog to digital conversion of analog input signals are disclosed herein. In some embodiments, an analog-to-digital (ADC) may comprise: a first successive approximation register (SAR) circuit comprising a fast SAR (FSAR) circuit and a residue digital-to-analog converter (RDAC) circuit and a residue amplifier circuit, coupled to the RDAC circuit, comprising an amplifier circuit that is configured to amplify a residual signal generated by the RDAC circuit, wherein the amplifier circuit comprises a deadzone control circuit and a first, second and third inverter stages, wherein the third stage is biased to operate in a sub-threshold region. |
| US11329654B2 |
Delay circuit of delay-locked loop circuit and delay-locked loop circuit
A delay circuit of a delay-locked loop (DLL) circuit includes: a phase splitter configured to split a phase of a reference clock signal to output a first reference clock signal and a second reference clock signal having a phase difference of 180 degrees; a logic gate configured to delay the second reference clock signal to output a delayed reference clock signal; and a delay line circuit including a plurality of delay cells that are cascade-connected, the delay line circuit configured to delay the first reference clock signal and the delayed reference clock signal based on a control code set, and to output a first delayed clock signal and a second delayed clock signal having a delay amount corresponding to a delay of one logic gate included in the plurality of delay cells. |
| US11329651B2 |
Integrated circuit
An integrated circuit including: a clock generation circuit configured to generate first and second divided clock signals by dividing an external clock signal; and a command generation circuit configured to synchronize and decode an external command signal based on a divided clock signal of the first and second divided clock signals, which is synchronized with a chip select signal. |
| US11329650B2 |
Process and temperature immunity in circuit design
An apparatus can include tracking circuitry coupled to a current source and configured to generate a reference voltage signal based on a reference current signal from the current source. The apparatus can include voltage regulator circuitry coupled to the tracking circuitry and configured to generate a voltage supply signal based on the reference voltage signal. The apparatus can further include amplifier circuitry configured to amplify an input signal based on the voltage supply signal. The reference voltage signal can track process and temperature variations associated with at least one field effect transistor within the tracking circuitry. The voltage regulator circuitry can be configured to operate with a closed loop gain higher than 1. The tracking circuitry includes a first transistor connected in parallel with a second transistor, the first and second transistors having a complimentary type with each other (e.g., NMOS and PMOS transistors). |
| US11329647B2 |
Radio frequency switch circuit
In a communication system, a communication terminal device transmits and receives RF signals frequently. Subsequent to an antenna of the communication terminal device, the communication terminal device includes a radio frequency switch (also referred to as transmit/receive (T/R) switch) that switches between two states at a high frequency, where one state is for receiving RF signal and other state for transmitting RF signal. In the exemplary embodiments of the disclosure, a complementary metal-oxide-semiconductor (CMOS) switch is provided, where the CMOS switch is deigned to have a high reliability by coupling a body of a transistor of the CMOS switch to a bias voltage through a switch, where the insertion loss and isolation are improved for the operation of the CMOS switch. |
| US11329646B2 |
Switch device having a pulldown transistor and a voltage clamp
Transformer-driven power switch devices are provided for switching high currents. These devices include power switches, such as Gallium Nitride (GaN) transistors. Transformers are used to transfer both control timing and power for controlling the power switches. These transformers may be coreless, such that they may be integrated within a silicon die. Rectifiers, pulldown control circuitry, and related are preferably integrated in the same die as a power switch, e.g., in a GaN die, such that a transformer-driven switch device is entirely comprised on a silicon die and a GaN die, and does not necessarily require a (large) cored transformer, auxiliary power supplies, or level shifting circuitry. |
| US11329644B2 |
Gate drive apparatus, switching apparatus, and gate drive method
A gate drive apparatus is provided. The gate drive apparatus includes a gate drive unit configured to drive a gate of a switching device; a parameter measuring unit configured to measure a parameter corresponding to current flowing through the switching device; a discrepancy detection unit configured to detect discrepancy between current flowing through the switching device during an on-state of the switching device and a reference value, based on the parameter; and a control unit that, if the discrepancy is not detected, switches a change speed of a gate voltage of the switching device at a timing when a reference time has elapsed since a turn-off start of the switching device during a next turn-off time period of the switching device, and if the discrepancy is detected, keeps the change speed of the gate voltage during the next turn-off time period of the switching device. |
| US11329643B2 |
Driver circuit and semiconductor device
A driver circuit controls an output unit that switches whether or not to supply a current to an output line, in accordance with a potential difference between a first control signal to be input and a voltage of the output line. The driver circuit has a control line transmitting the first control signal to the output unit; a connection switching unit switching whether or not to connect the control line and the output line; a pre-stage control unit that is provided between a high potential line and a low potential line and selects and outputs a potential of any one of the high potential line and the low potential line in accordance with a second control signal; and a post-stage control unit causing the connection switching unit to connect the control line and the output line when the pre-stage control unit outputs a voltage higher than a predetermined threshold value. |
| US11329642B1 |
Bypass circuitry to improve switching speed
Methods and devices to improve the switching speed of radio frequency FET switch stacks are disclosed. The described methods and devices are based on bypassing drain-sources resistors when the FET switch stack is transitioning from an ON to an OFF state. Several implementations of the disclosed teachings are also presented. |
| US11329637B2 |
Generator and method for generating a controlled frequency
A frequency generator for generating a controlled signal having a controlled frequency uses a frequency ratio generator with an input; a frequency divider for dividing the controlled frequency by a frequency ratio signal to generate a divided signal having a divided frequency; a converter for generating an excitation signal having the divided frequency, the excitation signal exciting a resonator for generating a resonance signal having a resonance frequency; a frequency phase detector of a phase difference between the divided frequency and the resonance frequency; an inner loop filter for generating the frequency ratio signal and filtering the phase difference signal to prevent instability of two frequency ratio generator loops; an output configured for providing the frequency ratio signal based on a ratio between the controlled frequency and the resonance frequency; and a controlled oscillator circuit for generating the controlled signal based on comparison of the frequency ratio with a target ratio. |
| US11329627B2 |
Filter and multiplexer
A filter includes a transmission filter circuit and an additional circuit that is electrically connected in parallel with at least a portion of the transmission filter circuit. The additional circuit includes a resonator group including a plurality of interdigital transducer electrodes provided adjacent to or in a vicinity of each other in an acoustic wave propagation direction, a first capacitive element electrically connected between the resonator group and one end of the additional circuit, and a second capacitive element connected between a ground and a signal path electrically connecting the resonator group and the first capacitive element. A capacitance of the second capacitive element is greater than about 0 pF and less than or substantially equal to about 2.0 pF. |
| US11329625B2 |
Film bulk acoustic sensors using thin LN-LT layer
Acoustic sensor devices and sensor systems are disclosed. An acoustic sensor device includes a piezoelectric plate having a front surface and a back surface. A floating back-side conductor pattern is formed on the back surface. A first and second front-side conductor patterns are formed on a portion of the front surface opposite the back-side conductor pattern. A sensing layer is formed over all or a portion of the floating back-side conductor pattern. |
| US11329624B2 |
Resonator and resonance device
A resonator that includes a vibrating portion that has a piezoelectric film, and a lower and upper electrodes that face each other with the piezoelectric film interposed therebetween. Moreover, a holding portion is provided at least around a maximum displacement region of the vibrating portion and has an insulating film. A holding arm connects the vibrating portion and the holding portion, and include a conductive portion that is in contact with the insulating film of the holding portion in at least a region that faces the maximum displacement region of the vibrating portion. In addition, the conductive portion is electrically connected to the lower electrode or the upper electrode or is grounded. |
| US11329622B2 |
Automatic calibration of an ambient noise compensation system
An element of an automatic gain control system that automatically calibrates a Composite Gain vs Ambient Noise look-up table responsive to user zone gain inputs at various ambient noise levels. The table is a graph of adjacent (horizontally or diagonally) data points (nodes) mapping ambient noise to composite gain. Three algorithmic rules determine position changes of the nodes responsive to zone gain inputs. A curve may be fit to an arrangement of adjacent nodes. The curve, or the interpolated table value, is used with an ambient noise input to determine the current composite gain. The element may be used with many traditional ANC systems. Once calibrated over the full range of ambient noises in the user's space, the ANC system may never need further user zone gain inputs. |
| US11329611B2 |
Transistor bias adjustment for optimization of third order intercept point in a cascode amplifier
Methods and devices for amplifying an input RF signal according to at least two gain-states is described. According to one aspect, a multi gain amplifier circuit including a low noise amplifier having a stack of transistors is used for amplification of the input RF signal. When switching from a low gain-state to a high gain-state, the drain-to-source voltage of the output transistor of the stack is increased to affect region of operation of the output transistor, and thereby reduce non-linearity at the output of the amplifier. When switching from the high gain-state to the low gain-state, the drain-to-source voltage of the input transistor of the stack is increased to affect region of operation of the input transistor, and thereby reduce non-linearity at the output of the amplifier. |
| US11329609B2 |
Analog bias control of RF amplifiers
Examples provide methods and apparatus for controlling a DC bias current in an RF amplifier. In one example where the RF amplifier is implemented on an amplifier die, a reference voltage is produced across a reference resistor implemented on the amplifier die, the DC bias current is measured, and a current controller, which is implemented on a controller die that is separate from the amplifier die, operates a feedback loop using the reference voltage to control a level of the DC bias current. |
| US11329603B2 |
Hybrid supplemental solar energy collection and dissipation system with one or more heat pumps
A hybrid supplemental solar energy collection and dissipation system with one or more heat pumps is featured. The system includes one or more commercially available photovoltaic panels configured to convert incident radiation to electricity. One or more supplemental solar energy collectors having a flow of fluid therein are selectively coupled to the one or more photovoltaic panels. The one or more supplemental solar energy collectors are configured to collect thermal energy from the one or more photovoltaic panels, radiate thermal energy to space, collect thermal energy from the environment and/or dissipate thermal energy to the environment to heat or cool one or more loads. One or more heat pumps are coupled to the one or more supplemental solar energy collectors and the one or more loads and are configured to amplify heating and/or cooling of the one or more loads. |
| US11329601B2 |
Energy harvesting apparatus
Disclosed is an energy harvesting apparatus which comprises: a flexible energy harvesting module having a flat plate shape; a connector which is mechanically and electrically connectable to an external connector; a rigid member having a flat plate shape; and an electric wiring constituting a part of a front surface of the rigid member, wherein an edge of a back surface of the energy harvesting module is disposed on the front surface of the rigid member, and the connector is disposed on the front surface of the rigid member at a position spaced apart from the energy harvesting module and is electrically connected to the energy harvesting module via the electric wiring. |
| US11329599B2 |
Method and system for connecting solar cells or slices in a panel system
A method and system include a plurality of solar cells and a plurality of voltage controllers. Each of the plurality of solar cells is directly coupled to a dedicated one of the plurality of voltage controllers to form unique pairs of solar cells and voltage controllers. Each of a plurality of panels contain a plurality of unique pairs. |
| US11329597B2 |
Reducing noise and lowering harmonics in power tools using conduction band control schemes
Conduction band control schemes are presented for reducing noise and/or lower harmonics in power tools. A controller in the tool is interfaced with a plurality of motor switches and, for each phase, operates to output a pulse-width modulated (PWM) signal to one or more of the motor switches to control power supplied to the electric motor. The controller is also configured to monitor a parameter indicative of the load on the motor. In response to detecting a load greater than a threshold, the controller controls power output of the motor by setting conduction band of the motor switches and the advance angle to baseline values predetermined values. In response to detecting a load less than the threshold, the controller reduces at least one of the conduction band and the advance angle to a value less than the baseline values. |
| US11329593B2 |
Power conversion device and rotating machine drive system
Switching control of an inverter is performed such that rising and falling of a terminal voltage of U phase including upper and lower arm switching elements are calculated, and the calculated rising of the terminal voltage of U phase and falling of a terminal voltage of V phase or W phase or the calculated falling of the terminal voltage of U phase and rising of the terminal voltage of V phase or W phase are synchronized with each other. |
| US11329590B2 |
Current-sourced motor drive control for AC motors
A current sourced control topology is provided for an AC motor controller that eliminates many of the problems associated with prior art motor controllers that use voltage source inverter (VSI) technologies. By controlling the output of AC current sources such as synchronously controlled down converters to directly drive each motor phase, significant efficiency gains and a reduction in electromagnetic interference is achievable. |
| US11329589B2 |
Ground fault detection methods on variable frequency drive systems
A mining machine including a motor, an adjustable speed drive providing a voltage to the motor, the voltage having an excitation component comprising a magnitude and a frequency for operating the motor at a desired speed and including an additional voltage component for use in detecting a ground fault condition, and a ground fault relay for detecting a ground fault current when the ground fault current exceeds a predetermined threshold. |
| US11329587B2 |
Motor driving apparatus, refrigeration cycle system, air conditioner, water heater, and refrigerator
The motor driving apparatus includes a switch that is a mechanical switch for changing coil connection states of a motor; an inverter that generates alternating voltage from direct voltage and outputs the alternating voltage to the motor; and a control device that controls the switch and the inverter. The control device causes the switch to change the coil connection states while the alternating voltage output from the inverter is zero. |
| US11329583B2 |
Generalized frequency conversion system for steam turbine generator unit
A generalized frequency conversion system for a steam turbine generator unit. The system comprises at least a variable speed steam turbine with an adjustable rotating speed, a water feeding pump, a variable frequency generator operating at a variable speed, a speed increasing gearbox with a fixed rotating speed ratio, a variable frequency bus and an auxiliary machine. With a change in load of the unit, parameters of steam entering the variable speed steam turbine and an extracted steam amount are adjusted (changed) accordingly, so that the rotating speed of the steam turbine changes accordingly. In this way, on one hand, the rotating speed of the water feeding pump is changed through the speed increasing gearbox; and on the other hand, the frequency of alternating current outputted by the variable frequency generator is changed. In the present invention, there is no need to additionally provide other types of frequency converters, and the system is simple, reliable, low in cost and high in efficiency. |
| US11329581B2 |
Shunt series wound direct current (DC) motor driving device and equipment
The present invention provides a shunt series wound direct-current (DC) motor driving device and electric equipment. The shunt series wound DC motor driving device provided by the present invention includes: a shunt series wound DC motor; a DC power supply; and a chopper, wherein the chopper comprises m chopping units, a control signal comprises m unit control signals that respectively correspond to the m chopping units and are formed according to a preset phase stagger rule; each of unit control signals comprises w switching control signals corresponding to w switching control ends in the corresponding chopping units; the m first power output ends of all the chopping units and the m second power output ends of all the chopping units respectively correspondingly form m pairs of power output terminals; the m pairs of external terminals of the shunt series wound DC motor are connected with the m pairs of power output terminals in a one-to-one correspondence manner, wherein m is a positive integer that is not less than 2, and w is 1, 2 or 4. |
| US11329580B2 |
Motor control apparatus and image forming apparatus
A motor control apparatus includes: an excitation unit configured to excite a plurality of excitation phases of a motor; a measurement unit configured to measure a physical amount that changes according to an inductance of a plurality of coils that make up the plurality of excitation phases when the plurality of excitation phases are excited; and a control unit configured to control the excitation unit to excite the plurality of excitation phases sequentially, determine a first excitation phase by comparing a measurement value measured by the measurement unit in excitation of each of the plurality of excitation phases with a first threshold, and determine that a rotational position of a rotor of the motor is a rotational position at which the rotor stops when the first excitation phase is excited. The first excitation phase is determined, the control unit stops excitation. |
| US11329574B2 |
Energy harvesting and storage apparatus and a method of forming thereof
A system and a method for an energy harvesting and storage apparatus including a flexible substrate, an energy harvesting device disposed on the flexible substrate, the energy harvesting device is configured to convert mechanical energy into electrical energy, an energy storage device disposed on the flexible substrate and in electrical communication with the energy harvesting device and configured to receive and store the electrical energy from the energy harvesting device. |
| US11329572B2 |
Semiconductor device
Provided is a semiconductor device that has a configuration provided with: a driving unit for driving an upper switching element and a lower switching element according to a control signal for controlling the driving of the upper switching element and the lower switching element, which are connected in series to constitute a bridge circuit; an insulating unit having an insulating transformer; and a package for sealing at least a part of the insulating unit and the driving unit. The insulating unit transmits a signal corresponding to the control signal to the driving unit side while insulating the signal. |
| US11329569B2 |
Power conversion system
A power conversion system includes a power conversion circuit and a start-up circuit. The power conversion circuit includes an output capacitor, a first switching unit, a second switching unit, a flying capacitor and a magnetic element. The second switching unit includes two switch groups. The flying capacitor is connected between a first terminal and a second terminal of the power conversion circuit. The magnetic element includes two first windings that are electromagnetically coupled with each other. A first one of the two first windings is electrically connected between one switch group and the second terminal of the power conversion circuit. A second one of the two first windings is electrically connected between the other switch group and the second terminal of the power conversion circuit. The start-up circuit includes a third winding and an inductor. The third winding is electromagnetically coupled with the first windings. |
| US11329565B2 |
Feed-forward control for regulating a DC-DC voltage converter
The present invention provides regulation for an output voltage of a DC-DC voltage converter. The controlled variable provided to the regulator of the DC-DC voltage converter is in this case made up of a controlled variable from a voltage regulator and a further controlled variable from an initial controller. The controlled variable from the voltage regulator is in this case obtained directly from the comparison of the output voltage with a setpoint voltage. The controlled variable from the initial controller takes into consideration, inter alia, the input voltage of the DC-DC voltage converter, the value of the input DC voltage being able to be corrected such that the voltage regulator can be operated close to the zero point during steady-state operation. In this manner, faster and more precise regulation of the output voltage is obtained. |
| US11329562B1 |
Constant on-time buck converter with improved transient response
A COT (constant on-time) buck converter includes a first transistor, a second transistor, a driver circuit, an inductor, a first resistor, a second resistor, a capacitor, a load, and a feedback loop circuit. The feedback loop circuit includes a first switch, a second switch, an error amplifier, a comparator, a frequency locked loop circuit, an inverter and a COT logic circuit. The COT buck converter is able to improve DC (direct-current) regulation efficiency and transient response time. |
| US11329559B2 |
Low dropout regulator and control method thereof
A low dropout regulator is disclosed. The low dropout regulator includes an amplifier, a first transistor, a second transistor and a switch. When a supply voltage value of the low dropout regulator is less than a supply voltage threshold value, a first path of the switch is selected and a first switch voltage value is transmitted to the first transistor so as to fully conduct the first transistor, and an output voltage value of the low dropout regulator is equal to the supply voltage value. When the supply voltage value is not less than the supply voltage threshold value, a second path of the switch is selected and a second switch voltage value is transmitted to the first transistor so as to turn off the first transistor, and the output voltage value is adjusted by the second transistor and the amplifier. |
| US11329554B2 |
Charge pump circuit arrangement
A charge pump circuit arrangement includes a multitude of capacitors of a first and a second group controlled by non-overlapping clock pulses. The capacitors are partly realized in a semiconductor substrate including a deep well doping region and a high voltage doping region surrounded by the deep well doping region. Switches are connected to a pair of capacitors to control the deep well doping regions with signals in phase with the corresponding clock signal. |
| US11329549B2 |
Hybrid modular multilevel converter having fault blocking capability, and control method thereof
A hybrid modular multilevel converter having fault blocking capability, and a control method thereof are disclosed. The hybrid modular multilevel converter has an ABC three-phase structure, each phase includes an identical upper arm and lower arm, and the upper arm and the lower arm are each composed of N submodules, including M unipolar full bridge submodules and N-M half bridge submodules, which are connected in series; two identical arm inductors are connected in series between a lower end of the upper arm and an upper end of the lower arm in a same phase; and upper arms and lower arms of three phases are connected in a staggered manner through six thyristor branches, the upper ends of the upper arms of the three phases are short-circuited and are connected to a DC side via a first isolating switch. |
| US11329547B2 |
Primary controller applied to a primary side of a power converter and operational method thereof
A primary controller applied to a primary side of a power converter includes a ripple cancellation circuit, a compensation voltage generation circuit, and a gate control signal generation circuit. The ripple cancellation circuit generates an adjustment according to a current flowing through a feedback pin of the primary controller during turning-on of a power switch of the primary side of the power converter. The compensation voltage generation circuit generates a compensation voltage of a compensation pin of the primary controller according to the adjustment, a reference voltage, and a feedback voltage of the feedback pin. The gate control signal generation circuit generates a gate control signal to the power switch to reduce an output voltage of a secondary side of the power converter according to the compensation voltage and a detection voltage. |
| US11329538B2 |
Rotor of rotary electric machine
According to one embodiment, in a lateral cross section, a rotor core includes a plurality of layers of barrier regions formed to be arranged in a radial direction with intervals in each magnetic pole. Each barrier region includes a flux barrier extending from near a part of an outer circumferential surface through d axis to near another part thereof. At least a flux barrier of a barrier region provided at an outermost circumferential surface side is filled with a nonmagnetic conductive material. A barrier-side edge on a side of the central axis, which defines the flux barrier of the barrier region provided in an outermost circumferential surface side is located within a range of 0.55<2a/R2 <0.84. |
| US11329536B2 |
Electrical machine winding assembly and method of manufacture thereof
A method of manufacturing a winding assembly for an electrical machine, the method comprising: selecting (S1) a mathematical function defining the spatial separation between adjacent turns of a winding path, the mathematical function dependent on one or more parameters of the electrical machine and/or of the anticipated operating environment of the electrical machine; forming (S2), by three-dimensional, 3D, printing, an electrically insulating body comprising a channel defining the winding path in accordance with said function, the channel having an inlet and an outlet; heating (S3) the electrically insulating body to a temperature above the melting point of an electrically conducting material; flowing (S4) the electrically conducting material through the inlet to the outlet to fill the channel; and cooling the electrically insulating body to solidify the electrically conducting material within the channel, thereby forming said winding assembly. |
| US11329529B2 |
Electrical machine and rotor for an electrical machine
An electrical machine includes a stator with a stator body supporting an electrical stator and a rotor. The rotor is supported by a bearing having a radial bearing section forming a radial gas bearing and an axial bearing section forming an axial gas bearing, the stator side parts of these bearing sections being a stator side radial bearing part and a stator side axial bearing part that are rigidly connected to one another and together form a stator bearing structure. The stator bearing structure is mounted to the other parts of the stator by either the stator side radial or axial bearing part being rigidly mounted to these other parts, and the other bearing part are connected to these other parts by an elastic support or not at all. |
| US11329520B2 |
Power transmission device, power reception device, wireless power transmission system, and method for driving power transmission device
A power transmission device includes a power transmission coil, a magnetically shielded space created by a power transmission-side cancel coil arranged outside the power transmission coil, a moving member configured to move a metal foreign substance, and a moving mechanism configured to move a part or all of an upper surface of the moving member from an area outside the magnetically shielded space into the magnetically shielded space. |
| US11329518B2 |
Long-range wireless charging
According to a first aspect of a long-distance wireless charging system for charging at least one receiver in a venue that is used by humans or animals, the long-distance wireless charging system comprises a plurality of antennas aligned for transmitting RF radiation to a space within the venue; at least one sensor for determining a position of at least one animal and a location of the at least one receiver in the space; and a transmitter, having a controller, configured to shape the RF radiation to peak the RF radiation on the location of the at least one receiver and null the RF radiation around the position of the at least one animal by controlling amplitudes and phases of the RF radiation transmitted from each antenna of the plurality of antennas. |
| US11329515B2 |
Using the NFC field from a phone to power card to phone bluetooth communications
A contactless card with power harvesting unit is described. The power harvesting unit is configured to harvest power from near field communication radio wave fields and supply power to a memory, processor, and communication circuit of the contactless card. In some embodiments, the contactless card may also include a capacitor for smoothing out power deliver or a rechargeable battery. The contactless card is configured to establish two-way communication with a secondary device and to store and execute applets. In some embodiments, the contactless card is a payment card which contains information associated with a primary profile and a secondary profile. The secondary profile may be activated using two-way communication if the primary profile is deactivated due to fraudulent activity. |
| US11329514B2 |
Electronic circuit, module, and system
A convenient electronic circuit in which a switch is able to be switched through electric power obtained using weak radio waves is provided. An electronic circuit includes: a switch configured to switch a connection state between a power supply configured to output DC electric power and a load; a first antenna capable of receiving radio waves; a second antenna capable of receiving radio waves; a first power conversion circuit configured to convert electric power received by the first antenna into DC electric power and output the converted DC electric power from a first DC power output terminal; a second power conversion circuit configured to convert electric power received by the second antenna into DC electric power and output the converted DC electric power from a second DC power output terminal; and a control circuit configured to switch a connection state of the switch when a difference between electric power input from a first input terminal and electric power input from a second input terminal is larger than a predetermined value. |
| US11329507B2 |
Camera with reduced image noise resulting from wireless charging
An example method includes receiving, by a mobile computing device, electrical power via a wireless charging link between the mobile computing device and a wireless charging device; and responsive to an activation state of a camera of the mobile computing device, selectively adjusting, by the mobile computing device, one or more parameters of the wireless charging link, wherein wireless charging via the wireless charging link with the adjusted one or more parameters generates less noise in images captured by the camera while the mobile computing device receives electrical power via the wireless charging link than wireless charging with unadjusted one or more parameters. |
| US11329503B2 |
Synchronization control circuit and uninterruptible power supply apparatus including the same
A synchronization control circuit transforms a three-phase AC voltage supplied from a commercial AC power supply to a vector on rotational coordinates and calculates a first phase difference between the vector and a d axis. When magnitude of the first phase difference is larger than a prescribed value, the synchronization control circuit sets the first phase difference as it is as a second phase difference. When magnitude of the first phase difference is smaller than the prescribed value, the synchronization control circuit generates the second phase difference in reverse polarity to the first phase difference, and controls a frequency of a clock signal so as to set the second phase difference to 0 degree. |
| US11329502B2 |
Modular lighting panel
Systems and methods described herein provide examples of an electrical panel (e.g., a modular electrical panel) that is configured to control a plurality of electrical loads. The electrical panel may include a control circuit, memory, a communication circuit, and an alternating current (AC) line feed and/or a direct current (DC) line feed. The electrical panel may also include a plurality of power supplies and a plurality of control modules, where more than one control module is associated with each of the plurality of power supplies. Each control module may configured to receive DC power from the associated power supply and provide an output voltage to at least one electrical load. The electrical panel provides flexibility as to whether each stage of conversion, regulation, and/or control is performed at a control module located within the electrical panel or performed at an accessory module located at an electrical load. |
| US11329496B2 |
Charging and discharging apparatus including cooling fan and movable temperature measuring device for secondary battery
A charging and discharging apparatus including a temperature measuring device suitable for measuring a temperature of each secondary battery and a cooling fan for cooling secondary batteries by utilizing temperature information using the temperature measuring device, such that a temperature deviation between the secondary batteries, which may occur during charging and discharging in a formation process and a capacity test after a secondary battery assembly process, is provided. The charging and discharging apparatus includes a movable non-contact temperature measuring device and cooling fans of which directions of wind and outputs are individually adjusted based on temperature information measured by the temperature measuring device according to a location in each secondary battery. |
| US11329494B2 |
Mobile device
A mobile device includes a driving circuit, a first accommodation section configured to accommodate a first battery which supplies electric power to the driving circuit and which is an all-solid-state battery having a solid electrolyte, a control circuit configured to control the driving circuit such that driving is performed in one of a plurality of modes including a first mode and a second mode in which power consumption is smaller than the first mode, and a determination circuit configured to determine whether electric power is supplied from an external power source to the first battery. When the determination circuit determines that the electric power is supplied from the external power source to the first battery, the control circuit performs switching from the second mode to the first mode. |
| US11329488B2 |
Power conversion system, method for controlling converter circuit, and program
The converter circuit includes an inverter. The converter circuit receives DC power from a DC power supply (such as a solar cell or a storage battery unit), has the DC power converted into AC power by at least the inverter, and outputs the AC power to a load or a power grid. When acquiring information that two or more types of power curtailment causes have arisen, a control circuit makes the converter circuit limit power output to a maximum degree of power curtailment out of two or more degrees of power curtailment according to specifics of the two or more types of power curtailment causes. |
| US11329483B2 |
System and a method for feeding electric power to a consumer thereof
A system for feeding electric power to a first consumer (1) comprises an input filter (6) with an input configured to be connected to a DC energy source and a DC intermediate link (3) connected to an output (14) of the input filter. A converter (12) is with an input connected to the DC intermediate link and has an output to be connected to said first consumer (1). The unit (16) controls the converter to obtain feeding of electric power requested by the first consumer independently of variations of the voltage on the DC link (3). An assembly is configured to act stabilizing on that voltage by controlling the converter to add a first power component to the power to be fed to the consumer. A second consumer (19) is controlled to consume a second power component to either assist the control of the converter to obtain the stabilization or alone take care thereof. |
| US11329481B2 |
Current limiting circuit arrangement
A floating two-terminal unipolar current limiting circuit arrangement implemented with enhancement mode devices and bipolar devices with a unique voltage-current operation curve. This operation curve makes this device particularly advantageous to instrumentation systems that are intended to experience large voltage transients and long-term exposure to voltages that would normally damage measurement equipment. The present current limiting device is designed to have a large impedance value prior to a “turn-on” voltage, then quickly transitions to a low-impedance state. When the conducted current exceeds a setpoint or a high-voltage event occurs, the current limiting device further transitions to the “cutoff” region, which transition resumes the initial high-impedance state. In one embodiment the threshold current may be set with internal components, while a further embodiment allows the current setpoint to be set by external components. The current limiting device designs according to the present embodiments allow for series scaling and parallel scaling. |
| US11329475B2 |
Multi-level over-current protection circuit
A multi-level over-current protection circuit includes: a signal amplification circuit configured to receive a set of detection signals and output a first signal; a comparison circuit to compare the first signal with a first reference signal and a second reference signal respectively; and a time delay counting circuit. The time delay counting circuit adjusts a first count value when the first signal is higher than or equal to the first reference signal and smaller than the second reference signal, and the time delay counting circuit activates a protection mode when the first count value reaches a first protection time delay. The time delay counting circuit adjusts a second count value when the first signal is higher or equal to the second reference signal, and activates the protection mode when the second count value reaches a second protection time delay. |
| US11329474B2 |
Switching controller with adaptive overheating protection
A semiconductor device includes a power semiconductor switch; a logic circuit connected to an input terminal; an overheat detection circuit that outputs to the logic circuit an overheat detection signal when a temperature of the power semiconductor switch exceeds an overheat detection threshold; and an overcurrent detection circuit that monitors a current that flows through the power semiconductor switch and that outputs to the logic circuit and to the overheat detection circuit an overcurrent detection signal when the current that flows through the power semiconductor switch exceeds a prescribed threshold, wherein in the overheat detection circuit, the overheat detection threshold values is changed from a first threshold value to a second threshold value that is lower than the first threshold value when the overheat detection circuit receives the overcurrent detection signal from the overcurrent detection circuit. |
| US11329470B2 |
Supporting member, conduit supporting device, and processing apparatus provided therewith
There is provided a supporting member having excellent durability and an apparatus including the supporting member. The supporting member includes an elastic member and a plurality of block members formed thereon. The supporting member is deformable from a shape in which end surfaces of the block members are in contact with each other to a shape in which the end surfaces are separated from each other. The elastic member includes a fixed region whose deformation is restricted by being fixed to a bottom surface of the block member, and the supporting member includes a flexure reduction unit for reducing flexure at a position near the fixed region of the elastic member. |
| US11329464B1 |
Faceplate for use with a ground fault circuit interrupter device and related gfci assembly
A faceplate for use with a GFCI (ground fault circuit interrupter) device, where the faceplate includes resilient features such as snaps to affix the faceplate to a height extension shell. The height extension shell accommodates a part of the GFCI device. The faceplate has an opening that exposes at least a part of the GFCI device. By using resilient snaps to affix the faceplate, instead of using screws as in conventional GFCI assemblies, this GFCI assembly makes installation more convenient, saves installation time, and makes the faceplate easier to clean and maintain. It also enhances esthetic without sacrificing function. |
| US11329462B2 |
Engagement structure of cover and block member, electronic component module, electrical connection box, and wire harness
An engagement structure includes a cover having an opening portion, a block member inserted into the opening portion, an engagement mechanism configured to engage the block member with the opening portion, and an engagement stabilization mechanism configured to stabilize an engagement state of the engagement mechanism. The engagement stabilization mechanism includes a first stabilization mechanism and a second stabilization mechanism. The first stabilization mechanism permits excessive insertion due to backlash that occurs in the engagement mechanism and to restore the excessive insertion after the block member is engaged with the opening portion. The second stabilization mechanism performs a slide engagement between the block member and the opening portion and to restrict a wall inner surface of the cover from moving away from an outer surface of a side portion of the block member after the slide engagement is completed. |
| US11329459B2 |
Apparatus for removing predetermined constituent parts of a cable arrangement and method for removing predetermined constituent parts of a cable arrangement
The disclosure relates to an apparatus (10) for removing, at least in sections, at least one constituent part (6, 7) of a cable arrangement (1), comprising: —a positioning unit (11) having an insertion region (12), into which an end region of a cable arrangement (1) can be inserted; —an air stream supply device (64), which is designed to direct an air stream onto the cable arrangement (1); and—a processing unit (16), which can be displaced relative to the positioning unit (11); wherein a cutting region (50) is provided at at least one of the processing unit (16) and the positioning unit (11); and wherein the cutting region (50) is arranged in such a way that, in the context of the relative displacement, a predetermined constituent part (6, 7) of the cable arrangement (1) can be brought into contact with the cutting region (50) in order to separate, at least in sections, said constituent part (6, 7) from the cable arrangement (1). The disclosure further relates to a method for removing, at least in sections, at least one constituent part (6, 7) of a cable arrangement (1). |
| US11329457B1 |
Panelboard and electrical power distribution system
An electrical power distribution system that includes a hollow body with at least one seamless insulated bus bar on top of a non-energized metal mounting surface. A plurality of connection points are distributed along the bus bar for electrical device connections. The connection points are contained inside molded plastic louvers and are electrically connected to the main bus bar. Electrical device connections are accomplished via plugging directly onto the electrical connection points while the plastic louvers recede from around the bus bar. The attachment of electrical devices of various sizes and configurations may be accommodated though varying the pitch and size of the electrical connection points. |
| US11329449B2 |
Semiconductor laser device
A semiconductor laser device includes: a housing including: a first upward-facing surface, at least one inner lateral surface, a recess defined by at least the first upward-facing surface and the at least one inner lateral surface, a second upward-facing surface surrounding the first upward-facing surface in a top view and located above the first upward-facing surface, and at least one third upward-facing surface formed outward of the second upward-facing surface in the top view, wherein a height of the at least one third upward-facing surface is different from a height of the second upward-facing surface; at least one first wiring part located in the recess; at least one second wiring part located on the at least one third-upward facing surface and electrically connected to the at least one first wiring part thorough an insulating part of the housing; a semiconductor laser element disposed on the first upward-facing surface of the housing; and a cap fixed to the second upward-facing surface and covering the semiconductor laser element. |
| US11329447B2 |
Laser system
A laser system comprising two phase-locked solid-state laser sources is described. The laser system can be phase-locked at a predetermined offset between the operating frequencies of the lasers. This is achieved with high precision while exhibiting both low noise and high agility around the predetermined offset frequency. A pulse generator can be employed to generate a series of optical pulses from the laser system, the number, duration and shape of which can all be selected by a user. A phase-lock feedback loop provides a means for predetermined frequency chirps and phase shifts to be introduced throughout a sequence of generated pulses. The laser system can be made highly automated. The above features render the laser system ideally suited for use within coherent control two-state quantum systems, for example atomic interferometry, gyroscopes, precision gravimeters gravity gradiometers and quantum information processing and in particular the generation and control of quantum bits. |
| US11329446B2 |
Optical fiber superluminescent light source
An apparatus includes an amplified spontaneous emission source, which in turn includes an optical fiber. The optical fiber includes a solid core and a first end. The solid core includes a silica matrix. The silica matrix includes a rare-earth element and a glass co-dopant. The rare-earth element includes dysprosium or neodymium. The glass co-dopant includes Al2O3. The apparatus further includes a laser pump diode coupled to the first end of the optical fiber. The laser pump diode and the optical fiber cooperate to generate a spontaneous spectral emission confined to the solid core. The spontaneous spectral emission includes a simultaneous plurality of spectral regions. |
| US11329444B2 |
Optical amplifier and control method therefor
To solve the problem that the power consumption of optical amplifiers is not optimized over the life time of an amplifier, the optical amplifier includes a gain medium for amplifying a plurality of optical channels, the gain medium including a plurality of cores through which the plurality of optical channels to propagate respectively and a cladding area surrounding the plurality of cores, a monitor that monitors the temperature of the optical amplifier and producing a monitoring result, a first light source that emits a first light beam to excite the cladding area, a second light source that emits a plurality of second light beams to excite each of the plurality of cores individually, and a controller that controls the first light source and the second light source based on the produced monitoring result. |
| US11329443B2 |
Laser device
A laser device includes a laser oscillator that generates a laser beam, condenser lens that condenses laser beam emitted from the laser oscillator, transmission fiber that includes at least core that transmits laser beam condensed by condenser lens, and cladding provided around core, and a lens driving unit that adjusts a position of condenser lens. The lens driving unit automatically adjusts the position of condenser lens to reduce light intensity of laser beam incident on cladding. |
| US11329441B2 |
Method for aligning a crimper of a first tool of a crimping press relative to an anvil of a second tool of the crimping press
A method for aligning a crimper of a first tool of a crimping press relative to an anvil of a second tool of the crimping press, wherein the crimper and the anvil make a crimp connection jointly by moving the crimper relative to the anvil in a first direction, includes: determining a lateral offset of a center line of the crimper to a center line of the anvil in a second direction perpendicular to the first direction, wherein the center line of the crimper runs through a center of the crimper and in the first direction and wherein the center line of the anvil runs through a center of the anvil and in the first direction; and moving the crimper relative to the anvil in the second direction for lowering the lateral offset. |
| US11329438B2 |
Device and method of ensuring power delivery in universal serial bus interface
A method of ensuring power delivery in a universal serial bus (USB) interface between a device and a counterpart device, the device including a port controller and a USB receptacle. The method includes the port controller attempting to detect an abnormal state in which a leakage current occurs in the USB receptacle using at least one pin of the USB receptacle; and when the abnormal state is detected, the port controller turning OFF a switch connected between a power pin of the USB receptacle and an internal circuit of the device, and determining to enter an unattached state of being separated from the counterpart device. |
| US11329429B2 |
Electrical interface fasteners
A mechanical fastener for an electrical interface may include a first handle and a second handle The first handle and second handle are located on opposite sides of the mechanical fastener. The mechanical fastener may also include a first housing, a second housing coupled to the first housing, an electrical interface housed in the mechanical fastener between the first and second housings, a first lever intermediary between the first handle and the first housing and mechanically coupled to the second handle, a second lever intermediary between the second handle and the second housing and mechanically coupled to the first handle, a first post coupled to the first handle and the second lever, and a second post coupled to the second handle and the first lever. |
| US11329428B2 |
Power supply circuit breaker device
A service plug includes first and second main terminals, first and second signal terminals, a lock part that locks a lever to a second connector housing to regulate rotation of the lever in a state in which the lever is positioned at a half-engaged position between a completely engaged position and a non-engaged position, and a lock releasing part that releases a lock state. A configuration is made such that, as the lever is rotated from the completely engaged position to the half-engaged position, part of a plurality of contact pieces of the second main terminal that is brought into elastic contact with the first main terminal at a position displaced in an approaching direction, and the other part of the contact pieces maintains elastic contact at a position that is not displaced in the approaching direction and a separating direction. |
| US11329427B2 |
Connector with locking mechanism and connector device
Prior-art connectors require burdensome operations that involve connecting the male screws of the threaded retaining members mounted on an overmolded connector unit to the internal threads provided in a counterpart connector and tightening the screws by turning in order to prevent connector disengagement. In addition, repeatedly attaching and detaching the connector may create a problem by increasing the burden of such operations.The present invention provides a connector and a connector device that allows for easy attachment to and detachment from a counterpart connector by providing a locking mechanism that automatically locks upon connection to a counterpart connector and that permits unlocking by depressing buttons in a connector that includes a connector unit provided in a distal end section of a cable and a housing that holds said connector unit inside and is equipped with a locking mechanism for locking to a counterpart connector. |
| US11329424B1 |
Gathering mechanism for adapter
Provided is a gathering mechanism for adapter, including a cylindrical body having a plurality of accommodating units indentedly and spacedly mounted on a surface of the cylindrical body in an axial direction thereof; a plurality of adapters, each of which is provided with a flexible latching member on one end thereof, and the other end of the flexible latching member is a free end provided with a bulged joggle unit for being received in a corresponding accommodating unit; and an outer sleeve sleeving the cylindrical body and having at least one cut groove mounted in an axial direction of the outer sleeve for allowing the flexible latching member to transversely enter and exit the therethrough, and wherein a width of the cut groove is smaller than a width of the bulged joggle unit, thereby forming a limiting engagement. Thus, multiple adapters can be tidily gathered and protected. |
| US11329405B2 |
Tape-shaped contact member and method for manufacturing same
Provided is a tape-shaped contact member including a tape-shaped contact material. At least one wire-shaped brazing material is bonded to the tape-shaped contact material, at least one projection including the brazing material and protruding from a surface of the contact material is formed in a cross-sectional shape, a diffusion region containing a metal component forming the brazing material is formed along an interface with the brazing material inside the contact material, and the diffusion region has a thickness of 2 μm or more and 10 μm or less. A chip-shaped contact component can be obtained by cutting the tape-shaped contact member to an arbitrary length. The present contact component is useful as a constituent member for a switching electrical contact, and capable of adapting to height reduction of the electrical contact. The present invention can also contribute to reduction of occurrence of poor bonding. |
| US11329398B2 |
Conformal antenna
An antenna device is presented. The antenna device comprises: a conformal antenna body which has a desired geometry corresponding to a front portion of a platform on which the antenna device is to be mounted, and an antenna unit carried by the antenna body. The antenna unit comprises at least one phased array of antenna elements. The antenna elements of each array are arranged in a spaced-apart relationship in a closed loop path along a circumference of the antenna body having a desired geometry corresponding to a front portion of platform on which the antenna unit is to be mounted. Each of the antenna elements is configured as an end-fire antenna element capable of emitting linearly polarized radiation, the array of the antenna elements being thereby operable as a forward looking end-fire antenna array, enabling electronic steering of an antenna beam by controllably modifying phases of the antenna elements of each array. |
| US11329397B2 |
Flexible polymer antenna with multiple ground resonators
The disclosure concerns an antenna assembly having a substrate with an antenna radiating element and a ground conductor disposed on the substrate, the ground conductor further characterized by a plurality of ground resonators, wherein a length associated with each of the ground resonators increases as the ground resonators are distanced from the antenna radiating element. Additionally, a coaxial cable is routed around the antenna assembly for configuring the coaxial cable as an additional ground resonator associated with the antenna assembly. The resulting antenna provides wide band performance between 700 MHz and 2700 MHz with improved efficiency compared with conventional antennas. |
| US11329394B2 |
Flexible antenna structure and electronic device
The present disclosure discloses a flexible antenna structure and an electronic device having the same. The flexible antenna structure includes a flexible printed circuit board, a mm-Wave antenna disposed on the flexible printed circuit board and conformal with the flexible printed circuit board, and a non-mm-Wave antenna disposed on the flexible printed circuit board and conformal with the flexible printed circuit board. Compared with the existing art, by means of the flexible antenna structure provided with the mm-Wave antenna and the non-mm-Wave antenna on the flexible printed circuit board, the present disclosure realizes integration of the mm-Wave antenna and the non-mm-Wave antenna, solves a challenge of numerous antennas in the electronic device, and realizes conformation with a bent part of a shell 1, thereby increasing the space utilization rate in a limited space. Furthermore, the overall size and cost cannot be increased, thus improving the competitiveness of a product. |
| US11329391B2 |
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. |
| US11329389B2 |
Method for fabricating a hyperbolic metamaterial having a near-zero refractive index in the optical regime
A method for fabricating a hyperbolic metamaterial coating having a near-zero refractive index is disclosed. The direction of propagating light changes by means of generating subwavelength structures that alter the coatings permittivity and permeability. The coating can be deposited on lenses or incorporated into optical devices. This type of metamaterial can be utilized to direct light towards sensors or to collect light efficiently. |
| US11329387B2 |
Single and dual polarized dual-resonant cavity backed slot antenna (D-CBSA) elements
An antenna element comprises a housing having a base and a conducting plate, and a feeding element. The housing has a cavity formed between the base and the conducting plate. The conducting plate has a radiating slot with a length and a width that extends longitudinally along a first axis and a second axis, respectively. The radiating slot has a first and a second edge along the first axis. The feeding element has a feeding point, a feeding line, and a stub. The feeding line extends along the second axis of the conducting plate across the width of the radiating slot such that a first end of the feeding line is coupled with the feeding point on one side of the radiating slot, and a second end of the feeding line extends past the second edge, and the stub extends laterally of the feeding line. |
| US11329382B1 |
Antenna structure
An antenna structure includes a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a dielectric substrate. The first radiation element has a positive feeding point. The second radiation element is coupled to the first radiation element. The third radiation element has a negative feeding point. The fourth radiation element is coupled to the third radiation element. The fifth radiation element is floating. The dielectric substrate has a first surface and a second surface which are opposite to each other. The first radiation element and the third radiation element are both disposed on the first surface of the dielectric substrate. The second radiation element, the fourth radiation element, and the fifth radiation element are all disposed on the second surface of the dielectric substrate. |
| US11329375B1 |
Differential quadrature radiating elements and feeds
A quadrature fed four-port radiating element is fed by an active quadrature combiner feed network. The active quadrature four-port combiner is ultra-wide band and includes RF signal amplification. The resulting feeder exhibits a size reduction over existing passive balanced/unbalanced technology on the order of five thousand to one. Such antennas may be incorporated into radio frequency integrated circuit transmit/receive modules. Such antennas may also be integrated with front end low noise amplifiers. Such feeder network enables practical implementation of two-port feeders compatible with AESA array lattice restrictions. |
| US11329372B2 |
Lightweight radome for housing an antenna
A radome (10) for housing an antenna (50), the radome (10) comprising a front portion (30); and a rear portion (20) configured to mate with the front portion (30); wherein the front portion (30) includes a peripheral channel region (31) configured to contain an adhesive sealant (60) and receive a peripheral edge (21) of the rear portion (20) that is partially submerged in the adhesive sealant (60) before it cures. |
| US11329368B2 |
Communication device
A communication device with an RF (Radio Frequency) node and a detection node includes a first radiation element, a second radiation element, a first inductor, a second inductor, a third inductor, a first capacitor, and a second capacitor. The first radiation element is coupled to a first node. The second radiation element is coupled to a second node. The first inductor is coupled between the RF node and the ground voltage. The first capacitor is coupled between the RF node and the first node. The second inductor is coupled between the first node and the second node. The second capacitor is coupled between the second node and the ground voltage. The third inductor is coupled between the detection node and the second node. An antenna structure and a sensing pad are formed by the first radiation element and the second radiation element. |
| US11329367B2 |
Antenna device and electronic apparatus
The present disclosure discloses an antenna device and an electronic apparatus having the antenna device. The antenna device includes a first antenna structure and a second antenna structure; the first antenna structure includes a first mm-wave antenna and a first mm-wave RFIC electrically connected with the first mm-wave antenna; and the second antenna structure includes a flexible printed circuit board and a second mm-wave antenna arranged on the flexible printed circuit board. The first antenna structure includes a first non-mm-wave antenna and/or the second antenna structure includes a second non-mm-wave antenna arranged on the flexible printed circuit board. |
| US11329364B2 |
Communication apparatus
A communication apparatus includes a plurality of antenna parts configured to receive or transmit a wireless signal, a communication control part configured to control transmitting or receiving the wireless signal via at least any of the plurality of antenna parts, and a casing housing the communication control part, in which each of the plurality of antenna parts is held near each of a plurality of partial regions normal directions of which cross each other or the normal directions of which are mutually twisted in outer faces of the casing, and transmit or receive a first wireless signal and a second wireless signal propagating in directions substantially orthogonal to the partial regions and having mutually different polarization directions. |
| US11329363B1 |
Emergency portable hot spot with antennas built into cover
An antenna unit includes a case having a base and a lid. An antenna assembly is located within the lid and is IP67 compliant, being waterproof. A plurality of antenna components are situated within the base separate from the antenna assembly. An optional barrier is located within the base to divide the antenna components from the lid. The antenna assembly include different types of antenna operable at least between 600 MHz to 39 GHz. The lid is separable from the base and is divided from other components to minimize interference so that all antenna may operate simultaneously while the lid is in a closed position. |
| US11329354B1 |
Anti-skewing impedance tuner
A slide screw tuner uses a tuning probe that penetrates into the slot of the slabline inclined towards the test port, in order to compensate for the capacitive skewing of the angle of the reflection factor Γ. This anti-skewing effect is done by splitting the mobile combo carriage into a fixed and a rotating section, held together by a center pin that allows an adjustable inclination. The linearized trajectory of Γ improves the accuracy of interpolation between calibration points. |
| US11329353B2 |
High efficiency electrochemical power supply source for an underwater vehicle
An electrochemical-type power supply source for use in marine environment, is provided with: an electrochemical stack, which generates electric power in the presence, internally, of an electrolytic fluid; a first tank, designed to contain electrolytic fluid at a first temperature; a second tank, designed to contain electrolytic fluid at a second temperature, lower than the first temperature; a thermostatic valve, that mixes electrolytic fluid at a lower temperature with electrolytic fluid at a higher temperature, for generating a mixed electrolytic fluid to be introduced into the electrochemical stack at a controlled temperature for generating a desired electric power. The electrochemical power supply is further provided with an auxiliary tank, adapted to contain electrolytic fluid at a third temperature, higher than the first temperature; and the thermostatic valve is connected to the auxiliary tank and receives, at an input, the electrolytic fluid at the third temperature. |
| US11329351B2 |
Battery cell for an electric vehicle battery pack
A battery cell for an electric vehicle battery pack is provided. A housing of the battery cell can define a cavity. An electrolyte material can be housed within the cavity. A first polarity terminal of the battery cell can be disposed at an open end of the housing. A first conductive tab can be disposed at a closed end of the housing and electrically coupled with a first polarity portion of the electrolyte material. A conductive rod can extend through a core of the electrolyte material and can include a first end disposed at the closed end of the housing and electrically coupled with the first conductive tab. A receptacle can be electrically coupled with the first polarity terminal and can extend towards the electrolyte material to engage with a second end of the conductive rod at the open end of the housing. |
| US11329349B2 |
Polyolefin micro porous film, separator film for power-storage device, and power-storage device
A polyolefin micro porous film includes at least one of polyethylene and polypropylene, in which the compressive elastic modulus is 95 MPa or more and 150 MPa or less, the surface roughness (Ra) of a film surface is measured for a front surface and a rear surface, and the average value (Ra(ave)) thereof is 0.01 μm to 0.30 μm. |
| US11329344B1 |
Battery submodule assembly fixture with multiple actuators
A first holder holds a plurality of layers associated with a battery submodule that is being assembled. A first and second pair of actuators, while the plurality of layers is held by the first holder, extend so that the first and second pair of actuators apply pressure to the plurality of layers. While the first and second pair of actuators are extended and applying pressure to the plurality of layers, the first holder retracts. A second holder holds a container associated with the battery submodule that is being assembled and extends so that the container gradually surrounds the plurality of layers. While the container gradually surrounds the plurality of layers, the first and second pair of actuators sequentially retract. |
| US11329343B2 |
Battery device for vehicle
A battery device for a vehicle, which can be miniaturized while including ancillary instruments such as a relay device. The battery device is mounted in a lower portion of a vehicle, and including a battery case; a plurality of battery modules accommodated in the battery case and arranged such that at least some of the battery modules are stacked in a plurality of levels; and a first relay device that switches connection and disconnection between external electric devices and the battery modules. The first relay device is disposed on a side in a vehicle width direction of a portion where the battery modules are stacked in a plurality of levels. |
| US11329342B2 |
Mounting brackets for retaining battery pack internal components
This disclosure details exemplary battery pack designs for use in electrified vehicles. An exemplary battery pack may include an enclosure assembly, one or more battery arrays housed within the enclosure assembly, a first battery internal component (e.g., an array holding device, heat exchanger plate, tray, etc.) adjacent to the battery array, a mounting bracket mounted to the first battery internal component, and a second battery internal component (e.g., a wiring harness of an electrical distribution system) elevated above the first battery internal component by the mounting bracket. |
| US11329339B2 |
Method for manufacturing a battery cell with an oxygen diffusion barrier layer
A method for manufacturing a battery cell (1) and a battery cell (1) comprises providing a battery housing (3) and introducing electrodes (5) and an electrolyte (9) into the battery housing (3). At least partial regions (23) of a surface, in particular an outer surface, of the battery housing (3) are coated with a diffusion barrier layer (25) made of a polymer material (27) and then the polymer material (27) of the diffusion barrier layer (25) is oxidized at least on the surface to form an oxide layer (29). The polymer material (27) may be in particular silicone so that the oxide layer (29) consists of silicon dioxide. An oxide layer (29) thus generated increases a barrier effect of the diffusion barrier layer (25) considerably and may be generated using technically simple means, such as for example an atmospheric pressure plasma. |
| US11329338B2 |
Rechargeable battery
A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly formed by spirally winding a first electrode, a separator, and a second electrode; and a pouch that forms a sealing portion by thermally bonding an outer edge of a first external material and an outer edge of a second external material that receive the electrode assembly to withdraw tabs respectively connected to the first electrode and the second electrode to the outside, wherein the electrode assembly includes first curved portions that are convex at opposite sides of a first planar portion in a spiral-wound cross-section, the pouch includes a second planar portion corresponding to the first planar portion, and second curved portions that are connected to the second planar portion corresponding to the first curved portions, and the sealing portion is disposed in spaces, each set by an extension plane set in an extension direction of the first planar portion, external surfaces of the second curved portions, protruding in the extension direction, and a cross plane that is set in a direction crossing the extension direction at the end of the extension direction of the second curved portion. |
| US11329336B2 |
Battery pack and battery pack manufacturing method
In a laser welding step, a laser beam is irradiated fin a thickness direction of an external terminal from a side of a front surface of a bus bar toward a space. This irradiation melts a separated portion of the external terminal, i.e., a portion located apart from the insulating part by the space between the insulating part and the separated portion in the thickness direction, and an opposed portion of the bus bar, i.e., a portion opposed to the space via the separated portion in the thickness direction, thereby forming a welded portion including the separated portion and the opposed portion melted together. |
| US11329326B2 |
Power supply system
A DC energy storage module has a plurality of DC energy storage devices electrically connected in series; an internal control unit in the DC energy storage module; and a power supply for the internal control unit. The power supply for the internal control unit includes one or more of the DC energy storage devices in the module, electrically connected to the internal control unit through a rectifying unit. |
| US11329325B2 |
Breaker and safety circuit provided with same
The breaker 1 is provided with a fixed contact 20, a movable piece 4 extending in a first direction (D1), a thermally actuated element 5, a case 7 accommodating the movable piece 4 and the thermally actuated element 5, and a terminal piece 2 which partially protrudes outside the case 7 and is to be electrically connected with an external circuit. The terminal piece 2 has a first portion 21 and a second portions 22 having different heights from a bottom surface of the case 7, a first bent portion (23a) bent in a first bending direction, and a second bent portion (23b) bent in a second bending direction opposite to the first bending direction. The first bent portion (23a) and the second bent portion (23b) extend in parallel with the first direction (D1). |
| US11329324B2 |
Energy storage system
An energy storage system has one or more energy storage units, each energy storage unit including one or more energy storage modules, and each energy storage module including a plurality of electrochemical energy storage devices connected in series. A DC switching device is provided in series with the or each energy storage unit. The DC switching device includes a semiconductor device and a rectifying unit in parallel with the semiconductor device. |
| US11329321B2 |
Lithium ion secondary battery
A lithium ion secondary battery having high energy density and being excellent in cycle characteristics is provided. The present invention relates to a lithium ion secondary battery comprising: a negative electrode active material comprising a material comprising silicon as a constituent element; and an electrolyte solution comprising: a non-aqueous solvent comprising a fluorinated ether compound, an open-chain sulfone compound, and a cyclic carbonate compound, and a supporting salt comprising LiPF6, lithium bis(fluorosulfonyl)imide, and lithium bis(oxalato)borate (LiBOB); wherein the content of LiBOB in the electrolyte solution is 0.2 mass % or more. |
| US11329317B2 |
Liquid electrolytes for lithium batteries
The present invention relates to a novel liquid electrolyte to be used in lithium batteries, said electrolyte comprising a lithium salt and a (per)fluoropolyether (PFPE) polymer. |
| US11329315B2 |
All-solid-state lithium ion secondary battery
Disclosed is an all-solid-state lithium ion secondary battery including an anode that contains, as an anode active material, at least one selected from the group consisting of a metal that is able to form an alloy with Li, an oxide of the metal, and an alloy of the metal and Li, and being excellent in cycle characteristics. The all-solid-state lithium ion secondary battery may be an all-solid-state lithium ion secondary battery, wherein an anode comprises an anode active material, an electroconductive material and a solid electrolyte; wherein the anode active material comprises at least one active material selected from the group consisting of a metal that is able to form an alloy with Li, an oxide of the metal, and an alloy of the metal and Li; and wherein the solid electrolyte is particles with a BET specific surface area of from 1.8 m2/g to 19.7 m2/g. |
| US11329301B2 |
Fuel cell system
To precisely measure and control the amount of a cathode gas supplied to a fuel cell, a fuel cell system includes a fuel cell, a first flow passage through which a cathode gas is supplied to the fuel cell, a second flow passage through which a cathode off-gas is discharged from the fuel cell, a bypass flow passage which is bifurcated from the first flow passage and which is connected to the second flow passage, a compressor provided in the first flow passage, a first flowmeter provided in the first flow passage, a flow amount regulation valve provided in the bypass flow passage, a second flowmeter provided in the bypass flow passage, and a controller which controls the flow amount of the cathode gas supplied to the fuel cell, wherein the compressor is arranged on the upstream side of the bypass flow passage, the first flowmeter is arranged on the upstream side of the compressor, the second flowmeter is arranged on the downstream side of the flow amount regulation valve, and the controller controls the flow amount of the cathode gas supplied to the fuel cell based on the flow amount measured by the first flowmeter and the flow amount measured by the second flowmeter. |
| US11329298B2 |
Expander and fuel cell system
Provided is an expander including: an expanding chamber that expands a working fluid introduced and discharges the expanded working fluid; a driving chamber housing a driving mechanism that is driven by expansion energy of the working fluid; an intermediate chamber interposed between the expanding chamber and the driving chamber ; a first seal member that seals a gap between the expanding chamber and the intermediate chamber ; a second seal member that seals a gap between the driving chamber and the intermediate chamber ; and a pressurizing unit that pressurizes a pressurized fluid filling the intermediate chamber. |
| US11329294B2 |
Laminated electrolyte membrane, membrane electrode assembly, water electrolysis cell, stack, water electrolyzer, and hydrogen utilizing system
A laminated electrolyte membrane of an embodiment includes: a first electrolyte membrane; a second electrolyte membrane; and a nanosheet laminated catalyst layer provided between the first electrolyte membrane and the second electrolyte membrane and including a laminated structure in which a plurality of nanosheet catalysts is laminated with a gap. |
| US11329292B2 |
Method to produce a composite semi-finished product
A method to produce a composite semi-finished product, having a continuous phase including at least one thermoplastic plastic and a dispersed phase made from at least one electrically conductive filler. The at least one thermoplastic plastic in form of fine particles is mixed with the at least one filler in the form of fine particles. In each case, at least 90% by weight of the particles of the at least one thermoplastic plastic and of the at least one filler are smaller than 1 mm. The mixture of the at least one thermoplastic plastic and the at least one filler is heated to a temperature greater than the melting temperature of the at least one thermoplastic plastic. The heated material is cooled to a temperature below the solidification temperature of the at least one thermoplastic plastic. |
| US11329288B2 |
Secondary battery negative electrode binder composition, secondary battery negative electrode, and secondary battery
The present invention relates to a secondary battery negative electrode binder composition with which a stable negative electrode active material layer can be formed, which can follow volumetric changes in the negative electrode, whereby a secondary battery can be manufactured that achieves a high charge/discharge capacity and allows for improvement in charge/discharge cycle characteristics. Provided is a binder composition for fabricating a secondary battery negative electrode, containing an element capable of forming an alloy with lithium as an active material, which is a secondary battery negative electrode binder composition comprising an emulsion in which polymer particles derived from an ethylenically unsaturated monomer are dispersed in an aqueous solution of a polyvinyl alcohol-based resin, wherein the ratio of the polyvinyl alcohol-based resin/polymer particles is 60/40 to 99/1, as a weight ratio of resin solids. |
| US11329277B2 |
Secondary battery, battery pack, electrically driven vehicle, electric power storage system, electric tool, and electronic device
A secondary battery includes a positive electrode; a negative electrode including a negative electrode current collector and a negative electrode active material layer which is provided on the negative electrode current collector and contains a negative electrode active material, and an electrolytic solution. The negative electrode active material includes a carbon-containing material and a silicon-containing material, and a spreading resistance distribution in the negative electrode active material layer is 1.03 or more and 10 or less as measured using a scanning spreading resistance microscope. |
| US11329276B2 |
Cathode mixture, all solid state battery, and method for producing cathode mixture
A main object of the present disclosure is to provide a cathode mixture with good rate property. The present disclosure achieves the object by providing a cathode mixture comprising: a solid solution of a sulfur simple substance, P2S5 and Li3PO4, and a conductive auxiliary material, and a molar ratio of the Li3PO4 to the P2S5 is 0.05 or more and 0.67 or less. |
| US11329275B2 |
Composite powder for use in an anode of a lithium ion battery, method for manufacturing a composite powder and lithium ion battery
Composite powder for use as electrochemically active material in an anode of a lithium ion battery, whereby the particles of the composite powder comprise a carbon-based matrix material and silicon particles embedded in this matrix material, whereby the silicon particles and the matrix material have an interface, characterized in that at this interface there are Si—C chemical bonds present. |
| US11329271B2 |
Slurry composition for non-aqueous secondary battery positive electrode, positive electrode for non-aqueous secondary battery, and non-aqueous secondary battery
Provided is a slurry composition for a positive electrode that has excellent dispersibility and enables production of a secondary battery that can display good output characteristics. The slurry composition for a non-aqueous secondary battery positive electrode contains a positive electrode active material, a conductive material, a particulate polymer, and a polyhydric alcohol polycondensate. The positive electrode active material includes an iron-containing compound. The particulate polymer includes a hydroxyl group-containing monomer unit. |
| US11329267B2 |
Heat treatment of whole cell structures
Systems and methods are provided for heat treatment of whole cell structures. A battery may be formed based on applying of heat treatment to a whole cell composition that includes, at least, both anode material and cathode material, such that the anode material and the cathode material are heat treated at the same time. The heat treatment may include pyrolysis. The whole cell composition, and the corresponding cell formed based thereon, may include solid state electrolyte. |
| US11329258B2 |
Display panel and manufacture method thereof, display device
A display panel, a display device and a manufacture method of a display panel are provided. The display panel includes a base substrate, a plurality of pixel units disposed in an array and a total reflection structure. Each of the plurality of pixel units includes a light emitting region and a light emitting device in the light emitting region; and the total reflection structure is disposed on a light exiting side of the light emitting device and surrounds at least a portion of the light emitting region; the total reflection structure includes a main structure and a second structure covering a side, which faces the light emitting device, of the main structure, and a refractive index of the second structure is greater than a refractive index of the main structure. |
| US11329251B2 |
Organic film structure and preparation method thereof, encapsulation structure and preparation method thereof, and light-emitting substrate
The present disclosure relates to a method for preparing an organic film structure. The method for preparing the organic film structure may include forming a pigment mixture layer outside a region where an organic film is to be formed using a pigment liquid mixture, forming a liquid organic layer in the region where the organic film is to be formed with a first liquid organic material, and curing the pigment mixture layer and the liquid organic layer to form an indicator film and the organic film, respectively. The pigment mixture layer may include a pigment. |
| US11329250B2 |
Display device
A display device includes: a display panel including a front surface and a rear surface, the rear side being opposite to the front side; a front stacked structure on the front surface including a front bonding member disposed on the front surface; and a rear stacked structure on the rear surface including a rear bonding member disposed on the rear surface. A loss tangent of the front bonding member has a value greater than a loss tangent of the rear bonding member, the loss tangent being represented by an equation: (loss tangent)=(loss modulus)/(storage modulus), wherein the loss modulus refers to energy lost by viscosity of a material, and the storage modulus refers to energy stored without loss by elasticity of the material. |
| US11329248B2 |
Method of manufacturing an organic light-emitting diode (OLED) display having sealing member comprising through-portions formed in first and second metal layers
An organic light-emitting diode (OLED) display and a method of manufacturing the same are disclosed. In one aspect, the display includes a lower substrate with a display area and a peripheral area surrounding the display area, an upper substrate facing the lower substrate and a display unit disposed on the display area. The display also includes a sealant disposed on the peripheral area and sealing the lower and upper substrates and a first metal layer interposed between the lower substrate and the sealant. The first metal layer includes a plurality of first through-portions extending in a first direction and arranged in a second direction crossing the first direction. The display also includes a second metal layer disposed on the first metal layer and comprising a plurality of second through-portions respectively corresponding to the first through-portions. |
| US11329246B2 |
Organic light emitting diode panel and method for fabricating same
An organic light emitting diode panel and a fabrication method thereof are provided. The organic light emitting diode panel includes a substrate; a pixel defining layer disposed over a portion of the substrate; an organic light emitting diode device and an auxiliary cathode contacting device disposed over the substrate, wherein the organic light emitting diode device includes an anode layer, a hole injecting layer, a hole transporting layer, a light emitting layer, and an electron transporting layer sequentially formed over a portion of the substrate, and the auxiliary cathode contacting device includes an auxiliary cathode and a conductive contact sequentially formed over another portion of the substrate; a conductive contact, including a conductive mixture consisting of the electron transporting layer and a solvent material used to dissolve the electron transporting layer; and a transparent electrode layer, covering the electron transporting layer, the pixel defining layer, and the conductive contact. |
| US11329245B2 |
Electron transport thin film and formation method and light emitting diode device
An electron transport thin film is comprised of nano-zinc oxide doped with metal ions. The nano-zinc oxide doped with the metal ions is nano-zinc oxide having a surface enriched with the metal ions. |
| US11329243B2 |
Quantum dot light-emitting diode device and manufacturing method thereof
The present invention provides a quantum dot light-emitting diode device, which includes a substrate, a first electrode disposed on the substrate, a hole layer vertically disposed on an anode, wherein the hole layer includes a sidewall, an electron transport layer disposed on the sidewall, a quantum dot layer disposed on the electron transport layer, and a second electrode disposed on the electron transport layer. A density of the zinc oxide nanowire is high in the present disclosure, causing high light current density, which greatly improves a brightness of light to achieve a purpose of increasing a light-emitting performance of the light-emitting diode device. |
| US11329235B1 |
Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof
Provided are a novel compound capable of improving the luminous efficiency, stability and lifespan of an element, an organic electronic element using the same, and an electronic device thereof. |
| US11329233B2 |
Heterocyclic compounds for use in electronic devices
The invention relates to heterocyclic compounds, particularly for use in electronic devices. The invention further relates to a method for producing the compounds according to the invention, and to electronic devices comprising same. |
| US11329218B2 |
Multiply spin-coated ultra-thick hybrid hard mask for sub 60nm MRAM devices
A metal hard mask layer is deposited on a MTJ stack on a substrate. A hybrid hard mask is formed on the metal hard mask layer, comprising a plurality of spin-on carbon layers alternating with a plurality of spin-on silicon layers wherein a topmost layer of the hybrid hard mask is a silicon layer. A photo resist pattern is formed on the hybrid hard mask. First, the topmost silicon layer of the hybrid hard mask is etched where is it not covered by the photo resist pattern using a first etching chemistry. Second, the hybrid hard mask is etched where it is not covered by the photo resist pattern wherein the photoresist pattern is etched away using a second etch chemistry. Thereafter, the metal hard mask and MTJ stack are etched where they are not covered by the hybrid hard mask to form a MTJ device and overlying top electrode. |
| US11329212B2 |
Composite conductive foam insole
In one general aspect, a composite foam comprises a non-layered mixture of a polymeric foam with a plurality of voids; and a plurality of conductive fillers disposed in the polymeric foam. The conductive fillers are disposed in an even manner from outer surface to outer surface. In some implementations, the conductive fillers are up to 25% by weight of the composite foam. In some implementations, the composite foam may be used as padding. In some implementations, the composite foam may be used as a strain gauge. |
| US11329210B2 |
Sensing device
A sensing device is provided. The sensing device includes a heat regulation mechanism to regulate a temperature of a piezoelectric resonator corresponding to a voltage, and uses a sensing sensor to cause a sensing object to adsorb to and desorb from the piezoelectric resonator by increase and decrease of the temperature. A drive voltage is regulated to regulate an amplification factor of a heat regulation voltage input to a drive voltage regulator that regulates the temperature of the heat regulation mechanism corresponding to the type of a sensing sensor connected to a device main body. Therefore, when a CQCM sensor that heats a crystal resonator using a heater circuit and a TQCM sensor that regulates a heat of the crystal resonator sing a Peltier element are each used, regulation ranges of the driving powers supplied to the respective heater circuit and Peltier element can be changed. |
| US11329208B1 |
Pixel assembly process
Instead of discrete LED chips, monolithic LED strips reduce manufacturing time and inaccuracy when building high-resolution displays with small LED pixels of less than 100 micrometers. Guide strips next to LED strips align the monolithic LED strips and increase light emission area. A monolithic LED strip formed on a substrate has a P contact and an N contact. A first transfer layer is on an upper surface of the monolithic LED strip. The first transfer layer separates the monolithic LED strip from the substrate. A second transfer layer applied to the lower surface of the monolithic LED strip separates the monolithic LED strip from the first transfer layer. A display backplane is prepared with positive electrodes, negative electrodes, positive contact pads, and negative contact pads. |
| US11329207B2 |
Emissive display device comprising LEDs
An emissive display device including LEDs, including a plurality of pixels, each including: an elementary control cell formed inside and on top of a semiconductor substrate; a first LED capable of emitting in a first wavelength range, arranged on the upper surface of the elementary control cell and having a first conduction region connected to a first connection pad of the elementary control cell; and a second LED capable of emitting in a second wavelength range, having a surface area smaller than that of the first LED, arranged on the upper surface of the first LED opposite a central region of the first LED, and having a first conduction region connected to a second connection pad of the elementary control cell via a first conductive via crossing the first LED. |
| US11329205B2 |
Light emitting device package
A light emitting device package according to an embodiment may include first and second frames, a body, a light emitting device, first and second conductive parts, and first and second conductors. According to the embodiment, first and second frames may be spaced apart from each other and include first and second openings, respectively. The body may be disposed between the first and second frames. The light emitting device may be disposed on the body and include first and second bonding parts. The first and second conductive parts may be disposed under the first and second bonding parts. The first and second conductors may be disposed in the first and second openings, respectively. According to the embodiment, the first and second conductive parts may extend into the first and second openings from the first and second bonding parts, respectively, and the first and second conductors may be disposed between the first and second conductive parts and the first and second frames, respectively. |
| US11329203B2 |
Light emitting device including covering member and optical member
A light emitting device includes: a light emitting element comprising: a semiconductor multilayer structure that has an electrode formation surface, a light-emitting surface opposite to the electrode formation surface, and side surfaces between the electrode formation surface and the light-emitting surface, and a pair of electrodes provided on the electrode formation surface; a covering member covering the side surfaces of the light emitting element; and an optical member disposed over the light-emitting surface of the light emitting element and an upper surface of the covering member, the optical member comprising: a light-reflective portion disposed above the light emitting element, and a light-transmissive portion disposed between the light-reflective portion and the covering member and forming a part of an outer side surface of the light emitting device. |
| US11329201B2 |
Light-emitting device
A light-emitting device includes: a substrate; and at least one light source comprising: a light-emitting element comprising a plurality of electrodes that face the substrate, and a resin member covering at least portions of lateral surfaces of the light-emitting element and not covering an upper surface of the light-emitting element, wherein, in a directivity diagram of the light source, a variation in light output of the light source in a range of −40° to 40° is 15% or less. |
| US11329200B2 |
Optoelectronic device with wavelenghth coversion material in hollow structure for blue light leakage rate reduction
An optoelectronic device and a manufacturing method thereof are provided. The optoelectronic device includes a transparent substrate, an optoelectronic chip, electrodes and a wavelength conversion layer. The transparent substrate is provided with a hollow structure and an installation area, the hollow structure penetrates through two opposite surfaces of the transparent substrate and is located at a periphery of the installation area. The optoelectronic chip is arranged in the installation area. The electrodes are arranged on the transparent substrate and electrically connected to the optoelectronic chip; and the wavelength conversion layer is arranged on the two opposite surfaces of the transparent substrate and filled in the hollow structure, wherein the optoelectronic chip is covered by the wavelength conversion layer. The effect of reducing leakage rate of blue light of an optoelectronic device such as a LED packaging structure can be achieved. |
| US11329195B2 |
Semiconductor light-emitting device
A semiconductor light-emitting device includes a substrate; a first semiconductor layer and a second semiconductor layer formed on the substrate, wherein the first semiconductor layer includes a first exposed portion and a second portion; a plurality of first trenches formed on the substrate and including a surface composed by the first exposed portion; a second trench formed on the substrate and including a surface composed by the second exposed portion at a periphery region of the semiconductor light-emitting device, wherein each of the plurality of first trenches is branched from the second trench; and a patterned metal layer formed on the second semiconductor layer and including a first metal region and a second metal region, and portions of the second metal region are formed in the plurality of first trenches and the second trench to electrically connect to the first exposed portion and the second exposed portion. |
| US11329192B2 |
Semiconductor structure
The embodiment of the present disclosure provides a semiconductor structure. The semiconductor structure includes a substrate. The semiconductor structure also includes a first buffer layer disposed on the substrate. The semiconductor structure further includes a second buffer layer disposed on the first buffer layer. The semiconductor structure includes a semiconductor-based layer disposed on the second buffer layer. The second buffer layer includes aluminum, and the aluminum content of the second buffer layer gradually increases in the direction away from the substrate. |
| US11329187B2 |
Method of aligning micro LEDs and method of manufacturing micro LED display using the same
A method of aligning micro LEDs and a method of manufacturing a micro LED display using the same are provided. The method of aligning micro LEDs includes providing micro LEDs, each having a first surface that has a first maximum width and a second surface opposite to the first surface and has a second maximum width that is greater than the first maximum width, providing a transfer substrate including a transfer mold that has an array of openings, each of the openings being configured to accommodate the first surface of a corresponding micro LED and not accommodate the second surface of the corresponding micro LED and aligning the micro LEDs in one direction in the openings of the transfer mold by inserting the micro LEDs into the openings of the transfer mold so that the first surface of each of the micro LEDs is positioned within a corresponding opening. |
| US11329186B2 |
Light-based sensor apparatus and associated methods
An apparatus (201) comprises a light emitter (202) and a photodetector (203) formed on a single fluid-permeable substrate (206) such that the photodetector (203) is able to detect light emitted by the light emitter (202) after interaction of the light with a user of the apparatus (201). The photodetector comprises a channel member (207) which may be made from graphene, respective source and drain electrodes (208, 209), a layer of photosensitive material (210) configured to vary the flow of electrical current through the channel member (207) on exposure to light from the light emitter (202), and a gate electrode (211). The apparatus (201) further comprises a layer of fluid-impermeable dielectric material (212) configured to inhibit a flow of electrical current between the channel member (207) and the gate electrode (211) of the photodetector (203) to enable the electrical conductance of the channel member (207) to be controlled by a voltage applied to the gate electrode (211) and to inhibit exposure of the light emitter (202) to fluid which has permeated through the fluid-permeable substrate (206). The layer of fluid-impermeable dielectric material (212) allows resilient substrates made from polymeric material to be used without the risk of damage to the overlying components caused by the permeated fluid. The dual functionality of the layer of fluid-impermeable dielectric material (212) reduces the number of fabrication steps used to form the apparatus (201) and results in a thinner, more compact device. |
| US11329185B2 |
Avalanche diode along with vertical PN junction and method for manufacturing the same field
An embodiment method of manufacturing an avalanche diode includes forming a first trench in a substrate material, filling the first trench with a first material that comprises a dopant, and causing the dopant to diffuse from the first trench to form part of a PN junction. An avalanche diode array can be formed to include a number of the avalanche diodes. |
| US11329184B2 |
Photodetector and lidar device comprising a detector having a PN junction connected to an optically transmissive quench resistor
A photodetector according to the present embodiment includes a plurality of light detectors. Each light detector has a first semiconductor layer of a first conductive type and a second semiconductor layer of a second conductive type different from the first conductive type, in which the first semiconductor layer and the second semiconductor layer constitute a PN junction. The photodetector further includes a quench resistor that is optically transmissive and connected to the second semiconductor layer. |
| US11329183B2 |
Photo detection element, optical sensor, and method of manufacturing photo detection element
A photo detection element includes: a substrate; a light-receiving layer formed over the substrate, the light-receiving layer including graphene layers and spacer layers that are alternately stacked, light passing through each of the spacer layers, the spacer layers being made of insulating material; a first electrode that is in contact with the light-receiving layer; and a second electrode that is in contact with the light-receiving layer, a material of the second electrode being different from a material of the first electrode. |
| US11329182B2 |
Monolithic multiple solar cells
A monolithic multiple solar cell includes at least three partial cells, with a semiconductor mirror placed between two partial cells. The aim of the invention is to improve the radiation stability of said solar cell. For this purpose, the semiconductor mirror has a high degree of reflection in at least one part of a spectral absorption area of the partial cell which is arranged above the semiconductor mirror and a high degree of transmission within the spectral absorption range of the partial cell arranged below the semiconductor mirror. |
| US11329181B1 |
Multijunction solar cells
A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; a second solar subcell disposed directly below and adjacent to the upper first solar subcell, and having a second band gap smaller than said first band gap; wherein a light scattering layer is provided below the upper first solar subcell and adjacent to the upper first solar subcell for redirecting the incoming light to be scattered along longer path lengths into the second solar subcell. |
| US11329179B2 |
Semiconductor light-receiving device and method for manufacturing the same
A multiplication layer on a semiconductor substrate of n-type contains Al atoms. An electric field control layer on the multiplication layer is of p-type, and includes a high-concentration area, and a low-concentration area lower in impurity concentration than the high-concentration area which is formed outside the high-concentration area. An optical absorption layer on the electric field control layer is lower in impurity concentration than the high-concentration area. A window layer of n-type formed on the optical absorption layer is larger in band gap than the optical absorption layer. A light-receiving area of p-type is formed apart from an outer edge of the window layer, and at least partly faces the high-concentration area through the window layer and the optical absorption layer. The guard ring area of p-type which the window layer separates from the light-receiving area penetrates through the window layer to extend into the optical absorption layer. |
| US11329176B2 |
Reliable interconnection of solar cells
The present disclosure provides interconnect elements and methods of using interconnect elements. In one embodiment, the interconnect element includes: a first end including at least three members, each member having a pair of parallel gap weld positions for mounting an adjoining first component; a second opposing end including at least two members, each member having a pair of parallel gap weld positions for mounting an adjoining second component; and one or more interconnect connecting portions to attach the first end of the interconnect element to the second end of the interconnect element. |
| US11329175B2 |
Semiconductor light receiving element and semiconductor relay
A semiconductor relay includes: a substrate; a semiconductor layer of a direct transition type which is on the substrate and which has semi-insulating properties; a p-type semiconductor layer on at least part of the semiconductor layer; a first electrode; and a second electrode. The first electrode is electrically connected to the semiconductor layer and in contact with the p-type semiconductor layer. The second electrode is spaced apart from the first electrode and at least partially in contact with one of the semiconductor layer and the substrate, and the first electrode includes a first opening part. |
| US11329174B2 |
Meta optical devices and methods of manufacturing the same
A meta optical device configured to sense incident light includes a plurality of nanorods each having a shape dimension less than a wavelength of the incident light. Each nanorod includes a first conductivity type semiconductor layer, an intrinsic semiconductor layer, and a second conductivity type semiconductor layer. The meta optical device may separate and sense wavelengths of the incident light. |
| US11329166B2 |
Semiconductor device, display device including the semiconductor device, and an electronic device including the semiconductor device
In a transistor that includes an oxide semiconductor, a change in electrical characteristics is suppressed and the reliability is improved.A semiconductor device that includes a transistor is provided. The transistor includes a first conductive film that functions as a first gate electrode, a first gate insulating film, a first oxide semiconductor film that includes a channel region, a second gate insulating film, and a second oxide semiconductor film and a second conductive film that function as a second gate electrode. The second oxide semiconductor film includes a region higher in carrier density than the first oxide semiconductor film. The second conductive film includes a region in contact with the first conductive film. |
| US11329165B2 |
Structure and formation method of semiconductor device with isolation structure
A semiconductor device structure is provided, which includes a first fin structure over a semiconductor substrate. The first fin structure has multiple first semiconductor nanostructures suspended over the semiconductor substrate. The semiconductor device structure includes a second fin structure over the semiconductor substrate, and the second fin structure has multiple second semiconductor nanostructures suspended over the semiconductor substrate. The semiconductor device structure includes a dielectric fin between the first fin structure and the second fin structure. In addition, the semiconductor device structure includes a metal gate stack wrapping around the first fin structure, the second fin structure, and the dielectric fin. The semiconductor device structure includes a dielectric protection structure over the metal gate stack. The semiconductor device structure also includes an insulating structure penetrating through a bottom surface of the dielectric protection structure and extending into the metal gate stack to be aligned with the dielectric fin. |
| US11329164B2 |
Metal-oxide-semiconductor field-effect transistor with a cold source
A metal-oxide-semiconductor field-effect transistor (MOSFET) device is provided. The device comprising: a substrate; an oxide layer on the substrate; a gate on the oxide layer; a source and a drain on the substrate, wherein the source and the drain are doped with a dopant of a first type; and a cold source coupled to the source, wherein the cold source comprises a junction between a semiconductor doped with a dopant of a second type, and a material selected from the group consisting of metal and semimetal. |
| US11329163B2 |
Method of manufacturing a semiconductor device and a semiconductor device
In a method of manufacturing a semiconductor device, a fin structure is formed. The fin structure includes a stacked layer of first semiconductor layers and second semiconductor layers disposed over a bottom fin structure, and a hard mask layer over the stacked layer. An isolation insulating layer is formed so that the hard mask layer and the stacked layer are exposed from the isolation insulating layer. A sacrificial cladding layer is formed over at least sidewalls of the exposed hard mask layer and stacked layer. A first dielectric layer is formed, and a second dielectric layer made of a different material than the first dielectric layer is formed over the first dielectric layer. The second dielectric layer is recessed, and a third dielectric layer made of a different material than the second dielectric layer is formed on the recessed second dielectric layer, thereby forming a wall fin structure. |
| US11329162B2 |
Integrated circuit structures having differentiated neighboring partitioned source or drain contact structures
Integrated circuit structures having differentiated neighboring partitioned source or drain contact structures are described. An integrated circuit structure includes a first gate stack over a first fin, and a second gate stack over a second fin. First and second epitaxial source or drain structures are at first and second ends of the first fin. Third and fourth epitaxial source or drain structures are at first and second ends of the second fin. A first conductive contact structure is coupled to one of the first or the second epitaxial source or drain structures, and has a first portion partitioned from a second portion. A second conductive contact structure is coupled to one of the third or the fourth epitaxial source or drain structures, and has a first portion partitioned from a second portion. The second conductive contact structure is neighboring the first conductive contact structure and has a composition different than a composition of the first conductive contact structure. |
| US11329160B2 |
FinFET gate structure
A semiconductor device includes a semiconductor fin, a lining oxide layer, a silicon nitride based layer and a gate oxide layer. The semiconductor fin has a top fin surface, an upper fin side surface portion adjacent to the top fin surface, and a lower fin side surface contiguously connected to the upper fin side surface portion. The lining oxide layer peripherally encloses the lower fin side surface portion of the semiconductor fin. The silicon nitride based layer is disposed conformally over the lining oxide layer. The gate oxide layer is disposed conformally over the top fin surface and the upper fin side surface portion. |
| US11329157B2 |
Two-terminal biristor with polysilicon emitter layer and method of manufacturing the same
A two-terminal biristor in which a polysilicon emitter layer is inserted and a method of manufacturing the same are provided. The method of manufacturing the two-terminal biristor according to an embodiment of the present disclosure includes forming a first semiconductor layer of a first type on a substrate, forming a second semiconductor layer of a second type on the first semiconductor layer, forming a third semiconductor layer of the first type on the second semiconductor layer, and forming a polysilicon layer of the first type on the third semiconductor layer. |
| US11329155B2 |
Trench MOSFETs integrated with clamped diodes having trench field plate termination to avoid breakdown voltage degradation
A semiconductor power device having shielded gate structure in an active area and trench field plate termination surrounding the active area is disclosed. A Zener diode connected between drain metal and source metal or gate metal for functioning as a SD or GD clamp diode. Trench field plate termination surrounding active area wherein only cell array located will not cause BV degradation when SD or GD poly clamped diode integrated. |
| US11329153B2 |
Method for manufacturing laterally diffused metal oxide semiconductor device and semiconductor device
A method for manufacturing a laterally diffused metal oxide semiconductor device and a semiconductor device are provided. A body region is formed before forming a gate dielectric layer and a gate conductor, thereby reducing a channel length of the semiconductor device, thus reducing the on-resistance. In addition, a drift region serves as both a region withstanding a high voltage and a diffusion suppression region for suppressing lateral diffusion of the body region, thereby further reducing the channel length of the semiconductor device, thus manufacturing a short-channel semiconductor device. |
| US11329150B2 |
Termination for trench field plate power MOSFET
A semiconductor device includes a substrate having opposed first and second major surface, an active area, and a termination area. Insulated trenches extend from the first major surface toward the second major surface, each of the insulated trenches including a conductive field plate and a gate electrode overlying the conductive field plate, the gate electrode being separated from the field plate by a gate-field plate insulator. The field plate extends longitudinally in both of the active and termination areas and the gate electrode is absent in the termination area. A body region of a first conductivity type extends laterally between pairs of the insulated trenches. First and second spacer regions of a second conductivity type extend laterally between the pairs of the insulated trenches at the termination area to produce segments of the first conductivity type between the first and second spacer regions that are isolated from the body region. |
| US11329149B2 |
Semiconductor device with compact contact portion, method of manufacturing the same and electronic device including the same
There are provided a vertical semiconductor device, a method of manufacturing the same, and an electronic device including the same. According to an embodiment, the semiconductor device may include a vertical active region disposed on a substrate and comprising a first source/drain layer, a channel layer and a second source/drain layer which are stacked in sequence; a gate stack surrounding at least a part of a periphery of the channel layer; and at least one of: a first electrical connection component for the first source/drain layer, comprising a first contact portion disposed above a top surface of the active region and a first conductive channel in contact with the first contact portion and extending from the top surface of the active region to be in contact with at least a part of sidewalls of the first source/drain layer; and a second electrical connection component for the gate stack, comprising a second contact portion disposed above the top surface of the active region and a second conductive channel in contact with the second contact portion and extending from the top surface of the active region to be in contact with at least a part of sidewalls of a gate conductor layer in the gate stack. |
| US11329148B2 |
Semiconductor device having doped seed layer and method of manufacturing the same
A semiconductor device includes a substrate. The semiconductor device includes an AlN seed layer in direct contact with the substrate. The AlN seed layer includes an AlN first seed sublayer, and an AlN second seed sublayer, wherein a portion of the AlN seed layer closest to the substrate includes carbon dopants and has a different lattice structure from a substrate lattice structure. The semiconductor device includes a graded layer in direct contact with the AlN seed layer. The graded layer includes a first graded sublayer including AlGaN, a second graded sublayer including AlGaN, and a third graded sublayer including AlGaN. The semiconductor device includes a channel layer over the graded layer. The semiconductor device includes an active layer over the channel layer, wherein the active layer has a band gap discontinuity with the channel layer. |
| US11329147B2 |
Insulated gate bipolar transistor with epitaxial layer formed on recombination region
In one aspect, a method of fabricating a transistor includes implanting ions into a first portion of a second epitaxial layer to form a recombination region, depositing a second portion of the second epitaxial layer having an n-type dopant on the recombination region, and forming trenches in the second portion of the second epitaxial layer. |
| US11329144B2 |
Semiconductor structure and fabrication method thereof
Semiconductor structures and fabrication methods are provided. An exemplary fabrication method includes providing a semiconductor substrate having a first region; forming a plurality of first initial fin structures on the first region of the semiconductor substrate; forming a dummy gate structure across the first initial fin structures by covering portions of top and sidewall surfaces of the first initial fin structures; forming a dielectric layer covering sidewall surfaces of the dummy gate structure and exposing a top surface of the dummy gate structure; removing the dummy gate structure to form a first opening in the dielectric layer and expose portions of top and sidewall surfaces of the first initial fin structures; and performing at least one trimming process on the first initial fin structures to form fin first structures. A width of each first fin structure is smaller than a width of each first initial fin structure. |
| US11329143B2 |
Nanosheet transistors with thin inner spacers and tight pitch gate
A semiconductor structure is provided which includes a nanosheet stack structure on a base. The nanosheet stack structure includes a multilayered nanosheet between adjacent nanosheet layers. The multilayered nanosheet includes one or more first layers of a first material and one or more second layers of a second material, wherein the first material has an etch selectivity different than the second material. The one or more first layers of the multilayered nanosheet are recessed. A first inner spacer includes a third material is formed by depositing the third material into an outer portion of the one or more recessed first layers of the multilayered nanosheet. The one or more second layers of the multilayered nanosheet are recessed. A second inner spacer includes a fourth material which is formed by depositing the fourth material into an outer portion of the one or more recessed second layers of the first multilayered nanosheet. |
| US11329141B2 |
Spacer structure with high plasma resistance for semiconductor devices
Semiconductor device structures comprising a spacer feature having multiple spacer layers are provided. In one example, a semiconductor device includes an active area on a substrate, the active area comprising a source/drain region, a gate structure over the active area, the source/drain region being proximate the gate structure, a spacer feature having a first portion along a sidewall of the gate structure and having a second portion along the source/drain region, wherein the first portion of the spacer feature comprises a bulk spacer layer along the sidewall of the gate structure, wherein the second portion of the spacer feature comprises the bulk spacer layer and a treated seal spacer layer, the treated seal spacer layer being disposed along the source/drain region and between the bulk spacer layer and the source/drain region, and a contact etching stop layer on the spacer feature. |
| US11329140B2 |
Semiconductor device and method of manufacture
A method of forming a gas spacer in a semiconductor device and a semiconductor device including the same are disclosed. In accordance with an embodiment, a method includes forming a gate stack over a substrate; forming a first gate spacer on sidewalls of the gate stack; forming a second gate spacer on sidewalls of the first gate spacer; removing the second gate spacer using an etching process to form a first opening, the etching process being performed at a temperature less than 0° C., the etching process using an etching solution including hydrogen fluoride; and depositing a dielectric layer over the first gate spacer and the gate stack, the dielectric layer sealing a gas spacer in the first opening. |
| US11329136B2 |
Enabling anneal for reliability improvement and multi-Vt with interfacial layer regrowth suppression
A method for fabricating a semiconductor device includes forming an interfacial layer and a dielectric layer on a base structure and around channels of a first gate-all-around field-effect transistor (GAA FET) device within a first region and a second GAA FET device within a second region, forming at least a scavenging metal layer in the first and second regions, and performing an anneal process after forming at least one cap layer. |
| US11329134B2 |
Method for manufacturing semiconductor device
A method for manufacturing a semiconductor device according to an embodiment includes: forming a first silicon oxide film on a surface of a silicon carbide layer; and performing first heat treatment at 1200° C. or more in an atmosphere including nitrogen gas and carbon dioxide gas. |
| US11329133B2 |
Integrated assemblies having semiconductor oxide channel material, and methods of forming integrated assemblies
Some embodiments include an integrated assembly having a gate material, an insulative material adjacent the gate material, and a semiconductor oxide adjacent the insulative material. The semiconductor oxide has a channel region proximate the gate material and spaced from the gate material by the insulative material. An electric field along the gate material induces carrier flow within the channel region, with the carrier flow being along a first direction. The semiconductor oxide includes a grain boundary having a portion which extends along a second direction that crosses the first direction of the carrier flow. In some embodiments, the semiconductor oxide has a grain boundary which extends along the first direction and which is offset from the insulative material by an intervening portion of the semiconductor oxide. The carrier flow is within the intervening region and substantially parallel to the grain boundary. Some embodiments include methods of forming integrated assemblies. |
| US11329132B2 |
Transistor with polarization layer superlattice for target threshold voltage tuning
A semiconductor device is disclosed. The semiconductor device includes a substrate, a superlattice that includes a plurality of layers of alternating materials above the substrate, where each of the plurality of layers corresponds to a threshold voltage, a gate trench extending into the superlattice to a predetermined one of the plurality of layers of the superlattice structure, and a high-k layer on the bottom and sidewall of the trench, the high-k layer contacting an etch stop layer of one of the plurality of layers of alternating materials. A gate is located in the trench on top of the high-k layer. |
| US11329123B2 |
Display device
An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a 3a. |
| US11329116B2 |
Display device and manufacturing method thereof
A display device includes a first substrate including a display area in which a plurality of pixels are arranged and a light transmitting area disposed in the display area, an interlayer insulating layer covering the display area and exposing the light transmitting area, an inner sidewall of the interlayer insulating layer defining the light transmitting area, and an inorganic film disposed directly on the first substrate in the light transmitting area and overlapping the entire light transmitting area. A size of the light transmitting area is larger than a size of a pixel of the plurality of pixels. |
| US11329111B2 |
Flexible substrate, manufacturing method thereof, and display panel having the same
The present disclosure provides a flexible substrate, its manufacturing method and a display panel. The flexible substrate includes a base substrate, and an organic thin film, an inorganic thin film and a function layer laminated on the base substrate. A first water-and-oxygen absorption adhesive layer is arranged between the organic thin film and the inorganic thin film and adhered to the organic thin film and the inorganic thin film respectively. |
| US11329108B2 |
Display device and manufacturing method thereof
A display device and a manufacturing method thereof are provided. The display device includes a first substrate, a second substrate, first signal lines, second signal lines, a first insulation layer, active components, a display medium, and ultrasonic transducers. The first insulation layer is located between the first signal lines and the second signal lines. Cavities are located in the first insulation layer having thin films located on the cavities. Each of the ultrasonic transducers includes first and second electrodes. A first electrode and a corresponding first signal line belong to a same layer and are electrically connected with each other. A second electrode and a corresponding second signal line belong to a same layer and are electrically connected with each other. A corresponding cavity and a corresponding thin film are sandwiched between the first and second electrodes. |
| US11329102B2 |
Resistive memory device and manufacturing method thereof
Provide a resistive random-access memory device having an optimized 3D construction. A resistive random-access memory includes a plurality of pillars, a plurality of bit lines, and a memory cell. The pillars extend vertically along the main surface of the substrate. The bit lines extend in a horizontal direction. The memory cell is formed at the intersection of the pillars and the bit lines. The memory cell includes a gate insulating film, a semiconductor film, and a resistive element. The gate insulating film is formed on the circumference of the pillar. The semiconductor film is formed on the circumference of gate insulating film and provides a channel area. The resistive element is formed on the circumference of the semiconductor film. A first electrode area on the circumference of the resistive element and a second electrode area facing the first electrode area are electrically connected to a pair of adjacent bit lines. |
| US11329100B2 |
Magnetic tunnel junction element with Ru hard mask for use in magnetic random-access memory
A magnetic memory element having a Ru hard mask layer. The use of Ru advantageously allows for closer spacing of adjacent magnetic memory elements leading to increased data density. In addition, the use of Ru as a hard mask reduces parasitic electrical resistance by virtue of the fact that Ru does not oxidize in ordinary manufacturing environments. The magnetic memory element can be formed by depositing a plurality of memory element layers, depositing a Ru hard mask layer, depositing a RIEable layer over the Ru hard mask layer, and forming a photoresist mask over the hard mask layer. A reactive ion etching can be performed to transfer the image of the photoresist mask onto the RIEable layer to form a RIEable mask. An ion etching can then be performed to transfer the image of the RIAable mask onto the underlying Ru hard mask and underlying memory element layers. |
| US11329099B2 |
Magnetic memory chip having nvm class and SRAM class MRAM elements on the same chip
A magnetic random access memory chip having magnetic memory elements with different performance characteristics formed on the same chip. The magnetic memory elements can be magnetic random access memory elements. The memory chip can have a first set of magnetic random access chips having a first set of physical and performance characteristics formed in a first area of the sensor and a second set of magnetic random access chips having a second set of performance characteristics formed in a second area of the chip. For example, the first set of magnetic random access memory elements can have performance characteristics that match or exceed those of a non-volatile memory, whereas the second set of magnetic random access memory elements can have performance characteristic that match or exceed those of a static random access memory element. |
| US11329091B2 |
Solid-state image pickup unit, method of manufacturing solid-state image pickup unit, and electronic apparatus
A back-illuminated type solid-state image pickup unit in which a pad wiring line is provided on a light reception surface and which is capable of improving light reception characteristics in a photoelectric conversion section by having a thinner insulating film in a pixel region. The solid-state image pickup unit includes a sensor substrate having a pixel region in which photoelectric conversion sections are formed in an array, and a drive circuit is provided on a surface opposed to a light reception surface for the photoelectric conversion sections of the sensor substrate. A through hole via reaching the drive circuit from the light reception surface of the sensor substrate is provided in a peripheral region located outside the pixel region. A pad wiring line directly laminated on the through hole via is provided on the light reception surface in the peripheral region. |
| US11329089B1 |
Image sensor with multi-patterned isolation well
Pixel isolation wells in a semiconductor image sensor are implemented via two or more photoresist patterning phases and two or more corresponding dopant implantation operations. A distinct photomask is applied in each patterning phase with the isolation-well street lines patterned by each mask spaced from one another by an integer multiple (i.e., 2 or greater) of the pixel pitch, and patterns formed by respective masks being staggered by the pixel pitch. |
| US11329087B2 |
Photodetectors with adjacent anode-cathode pairs
Structures for a photodetector and methods of fabricating a structure for a photodetector. The structure includes a light-absorbing region having a side edge, an anode adjacent to the side edge of the light-absorbing region, and a cathode adjacent to the side edge of the light-absorbing region. |
| US11329084B2 |
Imaging unit
An imaging unit includes a photoelectric conversion layer including a compound semiconductor and having a light incident surface, and a light shielding portion provided in an optical path of light incident on the light incident surface and shielding light having a wavelength of less than 450 nm. |
| US11329082B2 |
Image sensor and electronic device
An image sensor and an electronic device are disclosed. At least one pixel in the image sensor includes a photodiode, a floating diffusion region and a transfer transistor located between the photodiode and the floating diffusion region. The photodiode includes a carrier-accumulation region, and a gate of the transfer transistor extends up to the carrier-accumulation region. The gate extends away from the floating diffusion region and overlaps over half of a width of the carrier-accumulation region. Since carriers move at a higher speed in a fast transfer channel in the semiconductor substrate around such a gate, increasing the length of the transfer transistor's gate extending away from the floating diffusion region and overlapping range with the carrier-accumulation region can facilitate fast movement of carriers from the carrier-accumulation region through such fast transfer channels to the floating diffusion region, thereby improving overall carrier transfer efficiency and optimizing performance thereof. |
| US11329075B2 |
Method for fabricating array substrate, display panel and display device
An array substrate, its fabricating method, a display panel and a display device are disclosed. The method includes forming an active layer on a substrate, forming a gate layer on a side of the active layer facing or away from the substrate; forming an interlayer dielectric layer on a side of the active layer away from the substrate, which includes a first, second, third and fourth film stacked in this order in a direction away from the substrate; forming a via hole extending from the interlayer dielectric layer to the active layer; forming a source and drain layer on a side of the interlayer dielectric layer away from the substrate, and in a region not covered by the source and drain layer, removing the fourth film in the interlayer dielectric layer at a same time as forming the source and drain layer. |
| US11329073B2 |
Display panel
A display panel includes: a substrate; a thin film transistor layer, wherein the thin film transistor layer is disposed on the substrate an organic layer; and a via, wherein the via is disposed on the thin film transistor layer, and a part of the organic layer extends to the via. |
| US11329067B2 |
Co-integration of bulk and SOI transistors
An electronic integrated circuit chip includes a first transistor arranged inside and on top of a solid substrate, a second transistor arranged inside and on top of a layer of semiconductor material on insulator having a first thickness, and a third transistor arranged inside and on top of a layer of semiconductor material on insulator having a second thickness. The second thickness is greater than the first thickness. The solid substrate extends underneath the layers of semiconductor material and is insulated from those layers by the insulator. |
| US11329064B2 |
Integrated assemblies and methods of forming integrated assemblies
Some embodiments include an integrated assembly having a vertical stack of alternating insulative levels and conductive levels. The insulative levels have a same primary composition as one another. At least one of the insulative levels is compositionally different relative to others of the insulative levels due to said at least one of the insulative levels including dopant dispersed within the primary composition. An opening extends vertically through the stack. Some embodiments include methods of forming integrated assemblies. |
| US11329063B2 |
Vertical memory devices and methods of manufacturing the same
A vertical memory device includes a channel extending in a vertical direction on a substrate, a charge storage structure on an outer sidewall of the channel and including a tunnel insulation pattern, a charge trapping pattern, and a first blocking pattern sequentially stacked in a horizontal direction, and gate electrodes spaced apart from each other in the vertical direction, each of which surrounds the charge storage structure. The charge storage structure includes charge trapping patterns, each of which faces one of the gate electrodes in the horizontal direction. A length in the vertical direction of an inner sidewall of each of the charge trapping patterns facing the tunnel insulation pattern is less than a length in the vertical direction of an outer sidewall thereof facing the first blocking pattern. |
| US11329062B2 |
Memory arrays and methods used in forming a memory array
A method used in forming a memory array comprises forming a stack comprising vertically-alternating insulative tiers and wordline tiers. The stack comprises an insulator tier above the wordline tiers. The insulator tier comprises first insulator material comprising silicon, nitrogen, and one or more of carbon, oxygen, boron, and phosphorus. The first insulator material is patterned to form first horizontally-elongated trenches in the insulator tier. Second insulator material is formed in the first trenches along sidewalls of the first insulator material. The second insulator material is of different composition from that of the first insulator material and narrows the first trenches. After forming the second insulator material, second horizontally-elongated trenches are formed through the insulative tiers and the wordline tiers. The second trenches are horizontally along the narrowed first trenches laterally between and below the second insulator material. Elevationally-extending strings of memory cells are formed in the stack. Structure independent of method is disclosed. |
| US11329058B2 |
Microelectronic devices and memory devices
A microelectronic device comprises a stack structure having tiers each including a conductive structure and an insulating structure, the stack structure comprises a staircase region comprising staircase structures, a select gate contact region, and a memory array region between the staircase region and the select gate contact region; contact structures on steps of the staircase structures; string drivers coupled to the contact structures and comprising transistors underlying and within horizontal boundaries of the staircase region; a triple well structure underlying the memory array region; a select gate structure between the stack structure and the triple well structure; semiconductive pillar structures within horizontal boundaries of the memory array region and extending through the stack structure and the select gate structure to the triple well structure; and a select gate contact structure within horizontal boundaries of the select gate contact region and extending through the stack structure to the select gate structure. |
| US11329055B2 |
Semiconductor device and methods of forming and operating the same
Semiconductor cell and its forming method and operating method are provided. The semiconductor device includes: a substrate with a first region; a first nanopillar, formed on a substrate surface of the first region and perpendicular to the substrate surface; a first source/drain region, formed at a bottom of the first nanopillar and in a portion of the substrate in the first region; a first gate structure, surrounding the first nanopillar and formed on the first source/drain region; and a second source/drain region, formed at a top of the first nanopillar and on the first gate structure. |
| US11329054B2 |
Semiconductor device and fabrication method thereof
A semiconductor device and a fabrication method are provided. The method includes providing a substrate; forming a first gate structure and source/drain doped layers over the substrate, where the source/drain doped layers are on both sides of the first gate structure; forming a dielectric layer covering the first gate structure and the source/drain doped layers over the substrate; forming a first trench exposing the first gate structure through the dielectric layer; forming a first conductive structure in the bottom region of the first trench; after forming the first conductive structure, forming an insulation layer in the top region of the first trench; using the insulation layer as a mask, forming recesses on source/drain doped layers through the dielectric layer on both sides of the insulation layer; and forming second conductive structures in the recesses. |
| US11329052B2 |
Method of processing DRAM
Methods of forming a DRAM bit line to improve line edge roughness (LER) and lower resistance are described. The method comprises implanting an inert species into a bit line metal layer having a first grain size on a substrate to form an amorphized bit line metal layer having a second grain size smaller than the first grain size. A film stack is then deposited on the amorphized bit line metal layer. The film stack and amorphized bit line metal layer are etched to form a patterned film stack on the substrate. The patterned film stack on the substrate is thermally annealed. |
| US11329049B2 |
Memory transistor with cavity structure
A memory transistor comprises a substrate comprising a first surface and a second surface opposing the first surface, the substrate further comprising a first trench having an opening formed in the first surface; a first dielectric layer formed on an inner surface of the first trench; a gate layer formed on the first dielectric layer in the first trench, the gate layer having a top surface lower than the first surface; and a second dielectric layer filled in the first trench and located on the top surface of the gate layer, the second dielectric layer covering the gate layer and connecting to the first dielectric layer, the second dielectric layer having a cavity formed therein. |
| US11329043B2 |
Semiconductor device with improved device performance
Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC includes a first fin projecting vertically from a semiconductor substrate. A second fin projects vertically from the semiconductor substrate, where the second fin is spaced from the first fin, and where the first fin has a first uppermost surface that is disposed over a second uppermost surface of the second fin. A nanostructure stack is disposed over the second fin and vertically spaced from the second fin, where the nanostructure stack comprises a plurality of vertically stacked semiconductor nanostructures. A pair of first source/drain regions is disposed on the first fin, where the first source/drain regions are disposed on opposite sides of an upper portion of the first fin. A pair of second source/drain regions is disposed on the second fin, where the second source/drain regions are disposed on opposite sides of the nanostructure stack. |
| US11329037B2 |
Display module and electronic device
A display module and an electronic device are provided. The display module includes a substrate, a display part, a driving chip, a flexible circuit, and a buffer part. The substrate includes a soldering portion. The display part is disposed on a light emitting side of the substrate. The driving chip is disposed on a light emitting side of the soldering portion. The flexible circuit board is bent from a first surface of the soldering portion to a second surface of the soldering portion. The buffer part is disposed between the flexible circuit board and the soldering portion. |
| US11329036B2 |
Semiconductor memory device
According to one embodiment, a semiconductor memory device includes a mounting board and memory dies. The memory dies include first pad electrodes, first pull-up circuits connected to the first pad electrodes, a first output circuit that outputs a first parameter to the first pull-up circuits, first pull-down circuits connected to the first pad electrodes, a second output circuit that outputs a second parameter to the first pull-down circuits, a second pad electrode, a second pull-up circuit connected to the second pad electrode, a third output circuit that is connected to the second pad electrode, a third pad electrode, a second pull-down circuit connected to the third pad electrode, and a fourth output circuit that is connected to the third pad electrode. The second pad electrode of the second memory die is connected to the third pad electrode of the first memory die. |
| US11329035B2 |
Tetherless chip module
Attach a smart chip to a carrier, and attach a memory chip to the carrier in communication with the smart chip. The memory chip has a larger footprint than the smart chip, overlies the smart chip, and is attached to the carrier by connections around the periphery of the smart chip. Removably attach an energy storage device (ESD) to the carrier and electrically connect the ESD to the carrier via a flex bridge. |
| US11329031B2 |
Structure and formation method for chip package
Structures and formation methods of a chip package are provided. The chip package includes a semiconductor die and a package layer partially or completely encapsulating the semiconductor die. The chip package also includes a conductive feature penetrating through the package layer. The chip package further includes an interfacial layer the interfacial layer continuously surrounds the conductive feature. The interfacial layer is between the conductive feature and the package layer, and the interfacial layer is made of a metal oxide material. |
| US11329030B2 |
Production of a chip module
A method of producing a chip module includes providing a carrier; arranging semiconductor chips on the carrier; applying an electrically insulating material on the carrier; and structuring the carrier such that the chip module is provided, wherein the chip module includes separate carrier sections produced by structuring the carrier, the carrier sections of the chip module connected by the electrically insulating material. |
| US11329027B2 |
Microelectronic packages having a die stack and a device within the footprint of the die stack
A microelectronic package may be fabricated having a microelectronic die stack attached to a microelectronic substrate and at least one microelectronic device, which is separate from the microelectronic die stack, attached to the microelectronic substrate within the footprint of one of the microelectronic dice within the microelectronic die stack. In one embodiment, the microelectronic die stack may have a plurality of stacked microelectronic dice, wherein one microelectronic die of the plurality of microelectronic dice has a footprint greater than the other microelectronic die of the plurality of microelectronic dice, and wherein the at least one microelectronic device is attached to the one microelectronic die of the plurality of microelectronic dice having the greater footprint. |
| US11329026B2 |
Apparatuses and methods for internal heat spreading for packaged semiconductor die
Apparatuses and methods for internal heat spreading for packaged semiconductor die are disclosed herein. An example apparatus may include a plurality of die in a stack, a bottom die supporting the plurality of die, a barrier and a heat spreader. A portion of the bottom die may extend beyond the plurality of die and a top surface of the bottom die extending beyond the plurality of die may be exposed. The barrier may be disposed alongside the plurality of die and the bottom die, and the heat spreader may be disposed over the exposed top surface of the bottom die and alongside the plurality of die. |
| US11329023B2 |
Interconnection of copper surfaces using copper sintering material
A method for interconnecting a first conductor and a second conductor includes forming a layer of substantially pure copper on the first conductor, applying a copper sintering material to the first conductor, the second conductor, or both, and interconnecting the first conductor and the second conductor by sintering the copper sintering material so as to form a copper-copper interface that includes the layer of substantially pure copper, the second conductor, and the copper sintering material. |
| US11329021B2 |
Method for fabricating a semiconductor device comprising a paste layer and semiconductor device
A semiconductor device and method for fabricating a semiconductor device, comprising a paste layer is disclosed. In one example the method comprises attaching a substrate to a carrier, wherein the substrate comprises a plurality of semiconductor dies. A layer of a paste is applied to the substrate. The layer above cutting regions of the substrate is structured. The substrate is cut along the cutting regions. |
| US11329017B2 |
Semiconductor device package and method of manufacturing the same
The present disclosure provides a semiconductor device package. The semiconductor device package includes a first electronic component having an active surface and a backside surface opposite to the active surface and a first antenna layer disposed on the backside surface of the first electronic component. The semiconductor device package further includes a first dielectric layer covering the first antenna layer and a second antenna layer disposed over the first antenna layer. The second antenna layer is spaced apart from the first antenna layer by the first dielectric layer. A method of manufacturing a semiconductor device package is also disclosed. |
| US11329010B2 |
Integrated circuit shield
An anti-tamper layer is applied to a blank wafer. The layered wafer is then diced into shield dies. A shield die is oxide-to-oxide bonded to the top of an active die such that removing the shield die will damage the active die. The shield die may be sized and positioned such that wirebond pads along one or more edges of the active die remain exposed. The exposed wirebond pads may be used to electrically connect, via wirebonds, the active die to a substrate. A second shield die may be attached to the bottom of the active die to help protect against the use of bottom-to-top delayering. |
| US11329008B2 |
Method for manufacturing semiconductor package for warpage control
A method for manufacturing a semiconductor package includes following operations. A die having a first surface and a second surface opposite to the first surface is provided. A polymeric film is disposed over the second surface of the die. An adhesive film is provided. The die and the polymeric film are attached to a carrier substrate through the adhesive film. The die, the polymeric film and the adhesive film are molded with a molding compound. The polymeric film is sandwiched between the die and the adhesive film upon attaching to the carrier substrate. |
| US11329007B2 |
Wiring structure and method for manufacturing the same
A wiring structure includes a conductive structure, a surface structure and at least one through via. The conductive structure includes at least one dielectric layer and at least one circuit layer in contact with the dielectric layer. The surface structure is disposed adjacent to a top surface of the conductive structure. The through via extends through the surface structure and extending into at least a portion of the conductive structure. |
| US11329005B2 |
Semiconductor device and method of producing the same
Provided is a semiconductor device having excellent heat dissipation capacity and electromagnetic wave suppression effect. A semiconductor device 1 includes a semiconductor device 30; a tubular conductive shield can 20 provided to surround a side surface 30a of the semiconductor device 30; a conductive cooling member 40; and a conductive thermally conductive sheet 10 formed between the semiconductor device 30 and the cooling member 40. The conductive shield can 20 and the cooling member 40 are electrically connected through the conductive thermally conductive sheet 10 therebetween. |
| US11328998B2 |
Semiconductor device and manufacturing method of semiconductor device
A semiconductor device includes: a first semiconductor element having a first electrode on a main surface side thereof and a second electrode on a back surface side thereof; a base material provided with a connection conductor connected to the first electrode; a sealing resin provided on the base material to seal the first semiconductor element; and a first via provided in the sealing resin and electrically connected to the second electrode of the first semiconductor element. |
| US11328994B2 |
Method for fabricating CU interconnection using graphene
A method for manufacturing an interconnect structure includes providing a substrate structure comprising a substrate, a first dielectric layer on the substrate, and a metal interconnect line formed in the first dielectric layer and extending through to a surface of the substrate; removing a portion of the first dielectric layer on opposite sides of the metal interconnect line to expose a surface of the metal interconnect line and to form a recess; forming a graphene layer on the exposed surface of the metal interconnect line; and forming a second dielectric layer filling the recess and covering the graphene layer. The interconnect structure can prevent metal atoms of the metal interconnect line from diffusion into the first and second dielectric layers. |
| US11328991B2 |
Semiconductor structure and method making the same
The present disclosure provides a method for forming an integrated circuit (IC) structure. The method comprises providing a substrate including a conductive feature; forming aluminum (Al)-containing dielectric layer on the conductive feature; forming a low-k dielectric layer on the Al-containing dielectric layer; and etching the low-k dielectric layer to form a contact trench aligned with the conductive feature. A bottom of the contact trench is on a surface of the Al-containing dielectric layer. |
| US11328990B2 |
Via structure having a metal hump for low interface resistance
A semiconductor device structure is provided. The semiconductor device structure includes a first insulating layer, a first metal via passing through the first insulating layer, and a second insulating layer formed over the first insulating layer. The semiconductor device structure also includes a first metal hump surrounded by the second insulating layer and connected to the top surface of the first metal via. The first metal hump covers the portion of the first insulating layer adjacent to the first metal via. In addition, the semiconductor device structure includes a metal line formed in the second insulating layer and electrically connected to the first metal via, and a conductive liner covering the first metal hump and separating the metal line from the second insulating layer and the first metal hump. |
| US11328988B2 |
Top gate recessed channel CMOS thin film transistor in the back end of line and methods of fabrication
A device includes a device level having a metallization structure coupled to a semiconductor device and a transistor above the device level. The transistor has a body including a single crystal group III-V or group IV semiconductor material, a source structure on a first portion of the body and a drain structure on a second portion of the body, where the source structure is separate from the drain structure. The transistor further includes a gate structure including a first gate structure portion in a recess in the body and a second gate structure portion between the source structure and the drain structure. A source contact is coupled with the source structure and a drain contact is coupled with the drain structure. The source contact is in contact with the metallization structure in the device level. |