Document Document Title
US11178798B2 Cooling system with parallel cooling channels, temperature sensor, and movable flaps
A cooling system for a power converter includes a first cooling channel configured to form an air channel, and a second cooling channel configured to form an air channel. The first and second cooling channels have at least one section in which the first and second cooling channels extend in a parallel arrangement in which the first cooling channel cools semiconductors of the power converter and the second cooling channel cools intermediate circuit capacitors of the power converter An air distributor is provided to divide an air stream between the first cooling channel and the second cooling channel in a ratio in a range of 80:20 to 95:5 as a function of a measurement value generated by a temperature sensor.
US11178797B2 Loudspeaker system cooling
A loudspeaker system includes a line array assembly and a base for supporting the line array assembly. The line array assembly includes a plurality of electro-acoustic transducers arranged along a vertical axis and the base houses electronics for powering the line array assembly. The base and the line array assembly together define a flow path to facilitate a convective air flow to pass between the base and the line array assembly for cooling the electronics.
US11178794B2 Computer server heat regulation utilizing integrated precision air flow
The present invention includes a lateral support member for a server computer constructed to permit advantageous airflow. The present invention can be operated to shunt organized airflow into multiple computer cases and/or organized airflow from multiple computer cases to a dedicated heat reservoir.
US11178793B2 In-row cooling system
A framework for in-row cooling is described herein. The cooling system employs a fan unit with a plurality of smaller fans for improving the spread of air flowing through a V-shaped heat exchanger. The use of multiple smaller fans and the V-shaped heat exchanger enables the cooling system to be cooled using ambient temperature water or processed water at ambient temperature.
US11178790B2 Immersion tank and electronic apparatus
An immersion tank includes a tank main body that includes a storage unit that stores a cooling liquid in which an electronic device is immersed, an upper part of the storage unit having an opening, a lid body that includes a top wall portion and a side wall portion, and is paired with the tank main body, and a gas-phase heat exchanger that cools a space between the storage unit and the top wall portion.
US11178789B2 Combination air-water cooling device
Heat transfer systems and methods are disclosed. A heat transfer system includes an electronic enclosure that houses electronic components and includes a volume for a first fluid. A cold plate within the electronic enclosure is configured to contain a second fluid, and the cold plate includes a recess providing access to the second fluid. The heat transfer system also includes a heat transfer device configured to transfer heat from the first fluid to the second fluid. The heat transfer device is a single integrated piece that is situated within the recess wherein a first surface of the heat transfer device is configured to directly interface with the first fluid and a second surface of the heat transfer device is configured to directly interface with the second fluid.
US11178788B2 Cooling system for a networking device with orthogonal switch bars
A cooling system for a networking device may be provided. The networking device may comprise a first plurality of switch bars each comprising a first switch type arranged parallel to one another, a second plurality of switch bars each comprising a second switch type arranged parallel to one another, and a third plurality of switch bars each comprising a third switch type arranged parallel to one another. The first plurality of switch bars, the second plurality of switch bars, and the third plurality of switch bars may be arranged orthogonally. A plurality of cooling passages may be configured to supply a coolant to the apparatus and to exhaust the coolant from the apparatus. The coolant may pass through the first plurality of switch bars, the second plurality of switch bars, and the third plurality of switch bars.
US11178787B2 Server device
A server device includes a case, first, second and third hard disk brackets and a first cable management cover. The case includes a main part and an expansion part disposed on the main part. The first hard disk bracket is fixed to the expansion part. The second and third hard disk brackets are pivotably disposed on the main part. A first cable management space is formed between each of two opposite exterior surfaces of the second hard disk bracket and each of two opposite interior surfaces of the main part. The second hard disk bracket is between the first and third hard disk brackets. A second cable management space is between a bottom surface of the third hard disk bracket and a supporting surface of the main part. A first cable management cover is in one of the first cable management spaces and fixed to the main part.
US11178785B2 Metal enclosure of mobile device, production method for metal enclosure, and mobile device
A metal enclosure of a mobile device, a production method for the metal enclosure, and a mobile device are disclosed. The metal enclosure of a mobile device includes a housing, where at least one gap is disposed on the housing, and the at least one gap divides the housing into at least two electrically insulated parts. The metal enclosure further includes an insulation film attached to a surface of the housing. In the foregoing embodiments, the gap is provided on the housing, so that the housing is divided into the at least two electrically insulated parts. Each gap is filled with an insulation object, and the gap on the surface of the housing and the insulation object in the gap form a partition.
US11178784B2 Display device
Provided is a display device in which a housing includes a plurality of support parts and a bending part. At least two of the plurality of support parts are coupled via the bending part. A display unit is fixed to the plurality of support parts. The bending part is at least capable of bending with the display unit as an inner side. In a case where the bending part is bent with the display unit as an inner side, a distance between opposing portions of the display unit is not less than a predetermined distance.
US11178783B2 Arc-shaped lock
Disclosed is an arc-shaped lock. The arc-shaped lock includes an adjusting mechanism and a fixing mechanism, the adjusting mechanism includes a sliding shaft fastened to a first LED box, and a cover sleeving on the sliding shaft, the sliding shaft sliding in the cover in an arc track. And the fixing mechanism includes a lock seat fastened to a second LED box adjacent to the first LED box, a handle assembly, and a connecting assembly configured to connect the lock seat with the cover under a control of the handle assembly. The present disclosure aims to adopt the arc-shaped lock to fixedly install two adjacent LED panels together, for improving an user experience and a safety factor of the installation.
US11178779B2 Display device
A display device including a display module having defined thereon a folding region, a first non-folding region disposed on one side of the folding region, and a second non-folding region disposed on an opposite side of the folding region; a fixing member disposed under the folding region of the display module; and a first flexible printed circuit board disposed between the folding region of the display module and the fixing member. The first flexible printed circuit board includes a (1-1) portion overlapping with the fixing member, and the (1-1) portion of the first flexible printed circuit board is attached to the fixing member.
US11178774B1 Method for manufacturing circuit board
A manufacturing method of a circuit board is provided. A first carrier board included a substrate and a first conductive layer is provided, and the first conductive layer is located on a first surface of the substrate. A stainless steel layer is sputtered on the first conductive layer. An insulating layer is formed to cover a peripheral region of the stainless steel layer and expose a central region. A circuit structure layer is formed on the central region exposed by the insulating layer. A bottom surface of the circuit structure layer is connected to the first carrier board. A transferring procedure is performed to adhere a top surface of the circuit structure layer onto an adhesive layer of a second carrier board. The first carrier board is separated with the circuit structure layer to transfer the circuit structure layer onto the second carrier board, and expose the bottom surface of the circuit structure layer. The manufacturing method of the circuit board of the present invention is safer and simpler, may effectively reduce the manufacturing costs and improve the product yields.
US11178772B2 Component carrier connected with a separate tilted component carrier for short electric connection
An electronic device includes a first component carrier with a stack of at least one first electrically conductive layer structure and at least one first electrically insulating layer structure, and a second component carrier with a respective stack of at least one second electrically conductive layer structure and at least one second electrically insulating layer structure. The second component carrier is connected with the first component carrier so that a stacking direction of the first component carrier is angled with regard to a stacking direction of the second component carrier.
US11178770B2 Semiconductor device and semiconductor device manufacturing method
A semiconductor device, including an insulated circuit board that has a radiation plate, a resin board adhered to a front surface of the radiation plate, and a circuit pattern adhered to a front surface of the resin board. The resin board contains a resin. The semiconductor device further includes a wiring member, and at least one semiconductor chip, bonded to the front surface of the circuit pattern or electrically connected to the wiring member. The circuit pattern has at least one pair of side portions opposite to each other that are supported by the resin board.
US11178767B2 Cylindrical cell with contact lugs
A cylindrical cell includes a. a cylindrical housing enclosing an interior space and composed of a first and a second metal housing part, wherein the housing includes, at its axial ends, a first planar end face and a second planar end face connected to one another by an annular casing, b. a positive electrode and a negative electrode, at least one of which can intercalate and/or deintercalate lithium ions, wherein the positive electrode electrically connects to the first housing part directly or via a separate electrical conductor, and the negative electrode electrically connects to the second housing part directly or via a separate electrical conductor, c. a first contact lug configured as a sheet-metal part that is welded onto the first end face and which has a planar section extending in a plane parallel to the first end face, and d. a second contact lug configured as a sheet-metal part that is welded onto the second end face and has a planar subsection extending in a plane parallel to the second end face and has a subsection angled away from the plane and extends as far as into the plane of the planar section, wherein the angled-away subsection includes an expansion section in which the second contact lug expands in the main direction of extent in a targeted and predictable manner under a defined tensile loading in its main direction of extent.
US11178765B2 Electronic device
An electronic device includes first and second circuit boards and an interposer substrate. The first principal surface of the interposer substrate faces the first circuit board, and the second principal surface of the interposer substrate faces the second circuit board. A first input/output pad and a first auxiliary pad are provided on the first principal surface of the interposer substrate, and a second input/output pad and a second auxiliary pad portion are provided on the second principal surface of the interposer substrate. The first circuit board includes a land that is connected to the first input/output pad and the first auxiliary pad, and the second circuit board includes a land that is connected to the second input/output pad and the second auxiliary pad portion.
US11178764B2 Flexible substrate, electronic device, and method for manufacturing electronic device
A flexible substrate and an electronic device having high flexibility as a whole including an element mounting portion and a connection terminal portion, and a production method of the electronic device are provided. The flexible substrate includes a flexible base, and a conductive wiring made of a conductive organic compound formed on the base, wherein part of the conductive wiring serves as a connection part with another electronic member. Further, an electronic device 100 includes flexible bases 11 and 21, conductive wirings 13 and 23 made of a conductive organic compound formed on the bases, and electronic elements 12 and 22 connected to the conductive wirings, wherein part of the conductive wiring serves as a connection part 30 with another substrate.
US11178763B2 Flexible printed circuit board and electronic device comprising same
An electronic device according to one embodiment of the present disclosure can comprise: a housing including a front plate and a rear plate faced away from the front plate; a first printed circuit board arranged between the front plate and the rear plate; an electronic component arranged between the front plate and the rear plate and on a first plane that is substantially the same as the first printed circuit board; and a second printed circuit board for connecting the electronic component to the first printed circuit board, wherein the second printed circuit board comprises: a first terminal part parallel to the first plane and connected to the electronic component; a second terminal part parallel to the first terminal part and connected to the printed circuit board; a first planar part extending from the first terminal part toward the second terminal part and parallel to a second plane that is substantially orthogonal to the first plane; a second planar part extending from the second terminal part toward the first terminal part, parallel to the second plane, and faced away from the first planar part; and a connection part extending from each of the first planar part and the second planar part toward a third plane that is substantially orthogonal to the first plane and the second plane, and bent so as to connect the first planar part and the second planar part. Other various embodiments are possible.
US11178756B2 Flexible circuit board
A flexible circuit board includes a flexible light-permeable carrier, a circuit layer, a mark and a stiffener. The circuit layer and the mark are located on a top surface of the flexible light-permeable carrier. A predetermined area and a stiffener mounting area corresponding to each other are defined on the top surface and a bottom surface of the flexible light-permeable carrier, respectively. The mark is opaque to create a shadow mark having a longitudinal reference side and a lateral reference side on the bottom surface. The stiffener is adhered to the stiffener mounting area defined on the bottom surface by aligning with the longitudinal reference side and the lateral reference side of the shadow mark.
US11178754B2 Display device and method of manufacturing flexible printed circuit board
A display device includes a display panel including a display surface and a rear surface opposite to each other; and a flexible printed circuit board attachable to the display panel at the rear surface of the display panel. The flexible printed circuit board includes a conductive layer, a passivation layer defining an outer surface of the flexible printed circuit board, and a base film between the conductive layer and the passivation layer, the outer surface includes a first region at which the rear surface of the display panel is attachable to the flexible printed circuit board and a second region at which the rear surface of the display panel is not attached to the flexible printed circuit board, and the first region has greater surface roughness than the second region.
US11178749B2 Printed circuit board assembly and electronic apparatus using the same
A printed circuit board assembly and an electronic apparatus using the same are provided. The printed circuit board assembly includes a circuit board and a first bridging unit. The circuit board includes a first wiring layer, and the first wiring layer includes a plurality of first ground traces, a plurality of first signal traces, and at least one first ground region. Each of the first signal traces is disposed between one of the first ground traces and the first ground region. The first bridging unit is disposed on the first wiring layer of the circuit board. The first bridging unit extends over, without contacting, at least one of the first signal traces from one of the first ground traces to another one of the first ground traces or the first ground region, so as to form at least one first conductive ground path.
US11178743B2 Self-repairing lighting system and method
A self-repairing lighting system is provided, including: a power line; a ground line; a first lighting circuit arranged between the power line and the ground line, the first lighting circuit including a plurality of first lights arranged in series; and a first switch arranged in series with the plurality of first lights; a second lighting circuit arranged between the powerline and the ground, the second lighting circuit including a plurality of second lights arranged in series; and a second switch arranged in series with the plurality of second lights; a detector configured to detect an operating parameter of the self-repairing lighting system; a controller configured to operate the first and second switches based on the operating parameter. The operating parameter is one of a voltage drop on or a current passing through the power line, the ground line, or one of the lighting circuits.
US11178740B2 Solid-state lighting apparatus including current diversion controlled by lighting device bias states and current limiting using a passive electrical component
A lighting apparatus includes a string of light emitting diode (LED) sets coupled in series where each set includes at least one LED. A current diversion circuit is coupled to the string and is configured to operate responsive to a bias state transition of one of the LED sets to direct current away from another one of the LED sets. A current limiting circuit is coupled in series with the string and is configured to conduct current responsive to a forward biasing of all of the LED sets. The current limiting circuit includes only passive electrical component(s).
US11178734B2 Cooking appliance, door for cooking appliance and method for manufacturing door of cooking appliance
A cooking appliance having an improved structure capable of improving visibility to enable a user to clearly look at the inside of the cooking chamber during cooking includes a main body having the cooking chamber and a door disposed at the main chamber to open or close the cooking chamber, the door including a shielding member woven with conductive wires and a fixing member to electrically connect the shielding member with a door frame of the door. Electromagnetic waves generated in the cooking chamber can be prevented from leaking to the outside.
US11178728B1 Method and system for wireless roaming
A wireless roaming method and related system are provided. The method is applicable to an access control device and includes: determining a moving direction of a mobile device that is in a first connection connecting with a first access point; establishing, by a second access point and in response to a determination that the moving direction meets a preset condition, a second connection connecting the mobile device with the second access point, and disconnecting, by the first access point, the first connection. The first access point and the second access point are both connected to the access control device, and have a same static address or a same Identity Resolving Key. This method allows the mobile device to securely and seamlessly roam within the coverage areas of different access points.
US11178726B2 User equipment cooperative multipoint reception and transmission
Methods, systems, and devices for wireless communication are described. Generally, the described techniques performed at a user equipment (UE) provide for communicating directly with a base station using a first set of antennas and communicating indirectly with the base station (e.g., via a wireless node, a remote radio head, etc.) using a second set of antennas to fully exploit the potential capabilities of the physical antennas at the UE. For downlink communications, a UE may receive at least a subset of downlink signals from a base station via a wireless node, and, for uplink communications, the UE may transmit at least a subset of uplink signals to the base station via a wireless node. To facilitate these techniques, the UE may configure the wireless node to forward downlink signals received from the base station to the UE or to forward uplink signals received from the UE to the base station.
US11178725B2 Multi access packet/protocol data unit session
A session management function (SMF) receives, from a user plane function (UPF), a data notification message for a multi access packet data unit (MA PDU) session. The data notification message comprises access information associated with a child session of the MA PDU session. The access information indicates an access type and an identifier of a session between the SMF and the UPF associated with the MA PDU session. The SMF determines to activate the child session of the MA PDU session based on the data notification message. The SMF sends, to an access and mobility management function (AMF), based on the determining, a request indicating activation of a user plane connection via the access type. The SMF sends, to the UPF, a session modification request indicating activation of the user plane connection.
US11178724B2 Communications device, infrastructure equipment, communications system and methods
A communications device is provided, which is configured to transmit or receive signals via a wireless access interface provided by the wireless communications network to or from one or more infrastructure equipment. The communications device is configured, at the time of a Radio Resource Control (RRC) connection establishment procedure, to receive a first message from one of the infrastructure equipment comprising an indication that the infrastructure equipment is capable of operating in accordance with a packet data convergence protocol (PDCP) in accordance with a first radio access technology, to establish a PDCP entity based on the received indication, and to transmit a second message to the infrastructure equipment comprising an indication that the communications device is capable of operating in accordance with one or both of the PDCP in accordance with the first radio access technology and a PDCP in accordance with a second radio access technology.
US11178721B2 Mobile communication system, user terminal, and base station
A user equipment, method, and chipset receive system information block (SIB) broadcasted from a base station, and while the user equipment is in a radio resource control (RRC) idle mode in which no RRC connection is established between the use equipment and the base station, the SIB is used to control the D2D communication. Data is transmitted to other user equipment by the D2D communication based on the SIB while the user equipment is in the RRC idle mode. The SIB includes resource information indicating usable radio resources for the D2D communication and power information used for controlling transmission power in the D2D communication. The transmitting comprises determinations of radio resources used to transmit the data based on the resource information and transmission power used in transmitting the data based on the power information, and transmitting the data using the determined radio resources and the determined transmission power.
US11178720B2 Terminal apparatus, base station apparatus, communication method, and integrated circuit
A terminal apparatus receives higher layer signaling and a PDCCH. The higher layer signaling includes an RRC parameter for indicating a slot in which the PDCCH is to be monitored. The PDCCH includes slot structure information. The slot structure information indicates a slot structure for a slot n next to a slot in which the PDCCH is received. The terminal apparatus controls whether or not to monitor a PDCCH in the slot n, based on at least the RRC parameter and the slot structure information.
US11178718B2 Terminal device, base station device, communication method, and integrated circuit
Provided is technology relating to: a terminal device, a base station device, a communication system, a communication method, and an integrated circuit capable of efficiently performing a radio resource control procedure. The terminal device is provided with a first sublayer and a second sublayer that is a lower sublayer than the first sublayer. The first sublayer creates an RRC message corresponding to an RRC procedure and starts a timer relating to the RRC procedure on the basis of coverage level information. The second sublayer executes a random access procedure relating to the RRC procedure on a serving cell, determines the coverage level information in the random access procedure, and selects a random access preamble group on the basis of the determined coverage level information.
US11178712B2 Systems and methods to establish secure vehicle networks
An embodiment of the invention relates to a method of establishing a secure vehicle network including a plurality of nodes, each of the plurality of nodes including a memory storing a leader/follower field, the method includes establishing a communication path between a first node with a value corresponding to “leader” in the leader/follower field and a second node with a value corresponding to leader in the leader/follower field; and communicating between the first node and the second node over the communication path to establish the secure vehicle network by electing one of the first node and the second node to assign a value corresponding to “follower” to the leader/follower field.
US11178710B2 Communication network connection control method, storage medium, and electronic device therefor
According to various embodiments, an electronic device comprises; a display; a first communication module for communicating through a first communication network; a second communication module for communicating through a second communication network; a memory; and a processor electrically connected with the memory, wherein the memory can store, during execution, instructions for enabling the second communication module to be inactivated while the processor executes a designated application by using the first communication module in a state in which both the first communication module and the second communication module having a priority higher than that of the first communication module are activated.
US11178707B2 Connection request processing method and apparatus, bluetooth earphone, wearable device, system and storage medium
Embodiments of the present disclosure provide a connection request processing method, a Bluetooth earphone, a wearable device, a system and a storage medium. In the embodiments of the present disclosure, upon receiving an A2DP connection request sent by a terminal device, it being not necessary to maintain an A2DP connection with the terminal device is determined according to current status information of the Bluetooth earphone; a type of the terminal device is identified according to a situation of other connection request sent by the terminal device received before receiving the A2DP connection request; and the A2DP connection request in a manner suitable for the type of the terminal device to maintain a non-A2DP connection status with the terminal device is processed.
US11178701B2 Method and apparatus for determining RA-RNTI
Disclosed are a method and apparatus for determining an RA-RNTI. In the present application, a base station receives a random access preamble sent by a terminal; the base station determines an RA-RNTI according to a time-frequency resource occupied by the random access preamble, wherein the time-frequency resource is a time-frequency resource of an orthogonal frequency division multiplexing (OFDM) symbol level; and the base station sends a random access response message, wherein the random access response message comprises downlink control information allocated, by the base station, for the terminal, and the downlink control information is scrambled using the RA-RNTI. By means of the present application, an RA-RNTI can be determined during a random access process of an NR system.
US11178700B2 Unmanned aerial vehicle management method and apparatus, and communication connection establishment method and apparatus
A method for managing an unmanned aerial method includes: receiving a random-access request from an unmanned aerial vehicle, wherein the random-access request includes a preamble; in a case that the preamble is as same as a preset preamble, determining that the unmanned aerial vehicle is equipped with a dedicated chip for a cellular network unmanned aerial vehicle, and managing the unmanned aerial vehicle in an unmanned aerial vehicle management manner; or in a case that the preamble is different from the preset preamble, determining that the unmanned aerial vehicle is equipped with a terminal and establishes a communication connection through the terminal, and managing the unmanned aerial vehicle in a terminal management manner.
US11178697B2 Random access method and terminal
A random access method and a terminal are provided. The random access method comprises: receiving random access mechanism configuration information sent by a base station, wherein the random access mechanism configuration information includes a random access type and random access time-frequency resource information corresponding to the random access type, and the random access type includes a first random access mechanism and/or a second random access mechanism; and performing a random access process of the first random access mechanism or the second random access mechanism according to the random access mechanism configuration information.
US11178693B2 V2X side-link resource management
Apparatuses, systems, and methods for a wireless device to perform methods to implement mechanisms for performing autonomous and non-autonomous side-link resource management as well as groupcast side-link resource management. A wireless device may perform a method for autonomous (e.g., non-network assisted) side-link resource management, e.g., the wireless device may perform a method to originate a semi-persistent side-link schedule for a side-link resource (e.g., a time domain and/or a frequency domain resource for side-link communications). Additionally, a wireless device may perform a method for groupcast side-link resource management. A network node may perform a method for non-autonomous (e.g., network assisted) side-link resource management, e.g., the network node may perform a method to assist wireless devices to schedule side-link resources.
US11178686B2 Method and apparatus for transmitting and detecting downlink control information
Disclosed are a method and apparatus for transmitting and detecting downlink control information. The method involves determining a state of resource allocation in a downlink transmission time period, the resource allocation corresponds to allocation of at least one downlink transmission resource region; and transmitting downlink control information on a preset resource in the at least one downlink transmission resource region, the downlink control information being used for scheduling at least one terminal to perform data transmission in the downlink transmission resource region. The method also involves detecting the downlink control information on the preset resource in the downlink transmission time period; determining, according to the detected downlink control information, a data transmission region indicated by the downlink control information; and detecting follow-up downlink control information according to the data transmission region. By using the present invention, downlink control information can be transmitted at a fixed position in each downlink transmission time period, and multiple transmission time intervals of different lengths are supported, so that rich service types in the future can be better supported.
US11178685B2 Scheduling request transmission for directional beam access
A user equipment (UE) may transmit a UE-generated uplink message to a base station to request resources for an uplink transmission. The UE may be configured to send the message (e.g., a scheduling request (SR)) using different transmission modes. For example, the UE may transmit the SR using a scheduled mode where the UE conveys the SR along with another uplink message (e.g., a control message). In some examples, the UE may transmit the SR using an autonomous mode where the UE transmits the SR in resources reserved for SR transmissions. The UE may determine which transmission mode to use based on certain characteristics of the SR or the data associated with the SR.
US11178683B2 Apparatus and method for transmitting signals using fronthaul in communication system
A method for transmitting signals by a first device of a base station transmitting and receiving signals of a wireless communication system is provided. The method includes receiving a plurality of uplink signals, identifying uplink transmission shaping information to be applied to the plurality of uplink signals, and transmitting the plurality of uplink signals to a second device by applying the uplink transmission shaping. The uplink transmission shaping information is information indicating for how many time intervals the first device is to transmit the plurality of uplink signals to the second device using a fronthaul. If the plurality of uplink signals are received by the first device for a first time, the plurality of uplink signals to which the uplink transmission shaping is applied are transmitted by the first device to the second device for the first time and a time determined based on the uplink transmission shaping information.
US11178679B2 User terminal and radio communication method
The present invention is designed so that, even when communication is made using a plurality of transmission time intervals (TTIs), scheduling requests are transmitted adequately. According to one aspect of the present invention, a user terminal has a transmitting/receiving section that transmits and/or receives using a plurality of transmission time intervals (TTIs) of different durations, and a control section that determines a resource to use to transmit a scheduling request (SR) based on at least one of a first TTI and a second TTI having a shorter TTI duration than the first TTI.
US11178674B2 Communication apparatus and communication method
Provided is a communication apparatus including a communication unit that receives frames including first information from a plurality of other communication apparatuses and transmits first frames including information indicating a first transmission time period to the plurality of other communication apparatuses, a control unit that determines the first transmission time period on the basis of the plurality of pieces of first information, and a processing unit that generates the first frames.
US11178671B2 High-reliability modulation coding scheme and logical channel prioritization
Methods, systems, and devices for wireless communications are described. A base station in a wireless communications system may perform a connection procedure (e.g. radio resource control (RRC) procedure) with a user equipment (UE), during which the base station may configure the UE with logical channel prioritization (LCP) configuration for each logical channel of a set of logical channels. The LCP configuration may indicate allowable modulation coding schemes (MCSs) for each logical channel of the set of logical channels. Following the communication procedure, the UE may receive an uplink grant for transmitting data using a corresponding logical channel of the set of logical channels. The UE may identify an MCS used by the uplink grant and may transmit the data using the corresponding logical channel with the identified MCS, based on the identified MCS of the uplink grant matching an MCS of the logical channel.
US11178670B2 Method and apparatus for data communicating in a wireless communication system
A method of controlling communication in a network 1 is provided. The network 1 comprises a first transmission/reception point (TRP) 10A associated with a first user equipment (UE) device 20A and a second TRP 10B associated with a second UE device 20B. The method comprises determining a beam pair link (BPL) 30 between the first TRP 10A and the first UE device 20A and a transmission path therebetween, based at least in part on cross-link interference (CLI) from the transmission between the second TRP 10B and the second UE device 20B.
US11178665B2 Method for performing non-orthogonal multiple access scheme-based communication, and device therefor
A method for performing non-orthogonal multiple access (NOMA) scheme-based communication by a base station may comprise the steps of: determining at least one transmission data resource group on the basis of a scheduling request (SR) reception reliability; transmitting information on the determined at least one data resource group to a terminal; and receiving uplink data from the terminal via a predefined uplink data transmission area in the at least one data resource group, wherein the at least one data resource group and an SR resource group including an SR transmission area, in which an SR can be transmitted, are overlappingly allocated in a physical resource area, and the predefined uplink data transmission area within the at least one data resource group and the SR transmission area of the SR resource group overlap each other in the physical resource area.
US11178663B2 Data transmission method and device
Embodiments of the present invention relate to the communications field, and disclose a data transmission method and device to resolve a problem that a success rate of receiving data by an MTC terminal is relatively low after an SC-PTM technology is introduced. A specific solution is as follows: A base station device sends first control information to a terminal device, where the first control information is used to control repeated transmission of multicast service data; and the base station device sends the multicast service data to the terminal device according to the first control information. The present invention is used in a data transmission process.
US11178661B2 Method and device for generating STF signals by means of binary sequence in wireless LAN system
Provided are method and device for generating STF signals which can be used in a wireless LAN system. STF signals are comprised in a field which is used for improving AGC estimation of MIMO transmission. Some of the STF signals are used for uplink transmission and can be used for an uplink MU PPDU transmitted from a plurality of STAs. The provided STF signals are, for example, used for an 80+80 MHz or 160 MHz band and can be generated on the basis of a sequence in which a preset M sequence is repeated. The preset M sequence can be a 15-bit length binary sequence.
US11178657B2 Adaptive PDCCH monitoring communication techniques
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first wireless communication device may receive an indication of a first set of non-adaptive physical downlink control channel (PDCCH), a first set of adaptive PDCCH resources, a second set of non-adaptive PDCCH resources, and a second set of adaptive PDCCH resources, may monitor the first set of non-adaptive PDCCH resources or the first set of non-adaptive PDCCH resources and the first set of adaptive PDCCH resources based at least in part on whether the first set of adaptive PDCCH resources is activated, and may transmit, based at least in part on whether the second set of adaptive PDCCH resources is activated, one or more DCI communications using the second set of non-adaptive PDCCH resources, or the second set of non-adaptive PDCCH resources and the second set of adaptive PDCCH resources. Numerous other aspects are provided.
US11178656B2 Method and apparatus of operating multiple time alignment timers in mobile communication system supporting carrier aggregation
A method of operating multiple time alignment timers (TimeAlignmentTimer) is provided for facilitating communication between and evolved Node B (eNB) and a User Equipment (UE) in a Long Term Evolution (LTE) system supporting multiple carriers. The method includes starting a first TAT of a first group including the primary cell, starting a second TAT when Timing Advance (TA) information on a second group not including the primary cell is received; and determining transmission of at least one of a Hybrid Automatic Repeat Request Acknowledgement/Negative-acknowledgement (HARQ ACK/NACK), a physical uplink control channel, and a sounding reference signal according to a start and an expiration of at least one of the first and second TATs.
US11178654B2 Configuration method and device for downlink control information
A method for configuring downlink control information includes: configuring target downlink control information (DCI) for a terminal, the target DCI including control information required by at least one target time-domain transmission unit on at least one target bandwidth portion; and transmitting to the terminal a physical downlink control channel (PDCCH) carrying the target DCI, the target DCI being used by the terminal to perform a corresponding control operation on the target time-domain transmission unit of the indicated target bandwidth portion. As such, a base station can configure for the terminal the control information required by the at least one target time-domain transmission unit on the at least one target bandwidth part, thereby improving the performance of a 5G system.
US11178651B2 Active interference management
Systems, methods, and instrumentalities are disclosed for active interference management. Active interference management may be provided for designated data regions and/or superzones. UAV-specific or other designated data regions (e.g., with data zones) may enable dynamic inter-cell interference management and high reliability command & control for UAVs in interference prone in environments. Data zone/region specific control channel search space may support inter-cell interference cancellation. Aggregation N levels (e.g., during EPDCCH encoding) may be dependent on an interference level of a zone. Data zone specific reference signals (DS-RS) may enable UAVs connected to neighboring cells to estimate an interference channel per zone. Interference management may be provided during semi-persistent scheduling (SPS) transmissions. Reliability of Physical Downlink Control Channel (PDCCH) may be enhanced (EPDCCH), e.g., with interference assistance signaling. Uplink interference management may operate with dedicated data region/zones. A downlink control information (DCI) format may be provided for UAVs.
US11178649B2 Methods and systems for TDD PUCCH HARQ resource allocation for enhanced physical downlink control channel (ePDCCH)
PUCCH resource determination for HARQ-ACK transmission in response to ePDCCH-scheduled PDSCH or ePDCCH-indicated SPS release in a TDD radio communication system. Downlink control information (DCI) is received in a downlink subframe via an Enhanced Physical Downlink Control Channel (ePDCCH). A resource index for a Physical Uplink Control Channel (PUCCH) resource is determined, based on the lowest enhanced Control Channel Element (eCCE) index of the received DCI, a device-specific offset value, and an index i that identifies the downlink subframe in a pre-determined set of one or more downlink subframes associated with an uplink subframe. The PUCCH resource is determined according to a formula that results in a sequential allocation of PUCCH resources in the uplink subframe with respect to the downlink subframes associated with the uplink subframe, for each of a plurality of sets of ePDCCH resources. HARQ feedback is transmitted in the uplink subframe, in the indexed PUCCH resource.
US11178647B2 Signaling support for uplink reference signal transmission
Various communication systems may benefit from a reduction in latency. For example, communication systems may benefit from an improved transmission of an uplink reference signal in an uplink channel. A method, in certain embodiments, includes determining by a user equipment a candidate location of a transmission of an uplink reference signal in a channel. The method also includes determining by the user equipment a triggering window associated with the candidate location of the transmission of the uplink reference signal in the channel. In addition, the method includes receiving an uplink grant for a data transmission from a base station. Further, the method includes transmitting the uplink reference signal based on the uplink grant being at least partially within the triggering window.
US11178636B2 System information transmission method and apparatus
When cell system information changes, a first terminal device receives, during on duration of the first terminal device, system information sent by a second terminal device, so that the first terminal device can receive the system information through a sidelink between the first terminal device and the second terminal device without a need to maintain a cellular link, thereby reducing complexity and power consumption of system information transmission. Alternatively, when cell system information changes and a first terminal device has only one receive radio frequency chain, the first terminal device obtains system information within a gap period of communication between the second terminal device and the first terminal device through a link between the first terminal device and a network device, so that the first terminal device maintains a cellular link only within the gap period, thereby reducing complexity and power consumption of system information transmission to some extent.
US11178630B2 Simultaneous transmission in multiple frequency segments
A communication device determines whether simultaneous transmissions in a first frequency segment and a second frequency segment are to be synchronized in time. In response determining that simultaneous transmissions in the first frequency segment and the second frequency segment are to be synchronized in time, the communication device transmits a first packet in the first frequency segment beginning at a first time, and transmits a second packet in the second frequency segment beginning at the first time. In response to determining that simultaneous transmissions in the first frequency segment and the second frequency segment are to be unsynchronized in time, the communication device transmits a third packet in the first frequency segment beginning at a second time, and transmits a fourth packet in the second frequency segment beginning at a third time that is different than the second time.
US11178628B2 Efficient beam sweeping at a mobile device receiver
A user equipment device (UE) reduces receive beam selection time. An antenna array forms receive beams to receive synchronization signal blocks (SSBs) transmitted by a base station (BS). Each SSB comprises OFDM symbols. Each SSB includes a BS-assigned index. The receive beams are switched in time such that, for each SSB, two or more of the receive beams are used to receive corresponding two or more mutually exclusive sets each having at least one but less than all of the OFDM symbols of the SSB. A processor is programmed to, for each receive beam/SSB index pair, measure a signal quality based on the at least one but less than all of the OFDM symbols of the indexed SSB received by the receive beam of the pair. The processor uses the measured signal qualities to select one of the receive beams to use to receive subsequent communications from the BS.
US11178627B2 User terminal and radio communication method
The present invention is designed so that frequency bands can be used efficiently depending on what capabilities user terminals have. According to one aspect of the present invention, a user terminal includes a receiving section that receives a plurality of synchronization signal blocks, transmitted in each of a plurality of frequency bands in a specific frequency band, and a control section that controls transmission and/or receipt to use the specific frequency band, based on at least one of the plurality of synchronization signal blocks.
US11178625B2 Method and system for wireless power delivery
A method for wireless power delivery, preferably including: determining transmitter-receiver proximity, assessing transmission parameters, and/or transmitting power based on a transmission plan. A system for wireless power delivery, preferably including a plurality of receivers and one or more transmitters.
US11178623B2 Pseudo-dynamic power sharing for increased user equipment coverage and graceful handling of misconfiguration in multi-radio access technology dual connectivity (MR-DC)
In an aspect, a user equipment (UE) receives a parameter representing a maximum transmission power, transmits first radio frequency (RF) signals to a first node over a first wireless communication link in accordance with a first radio access technology (RAT) during a plurality of time segments, wherein the first RF signals are transmitted during the plurality of time segments at one or more first power levels, and transmits second RF signals to a second node over a second wireless communication link in accordance with a second RAT during the plurality of time segments, wherein the second RF signals are transmitted during the plurality of time segments at one or more second power levels, and wherein a sum of an average of both the one or more first power levels and the one or more second power levels over the plurality of time segments does not exceed the maximum transmission power.
US11178622B2 Data processing method, terminal, and base station
A data processing method, a terminal, and a base station to perform power headroom report (PHR) reporting for an sounding reference signal only component carrier (SRS-only CC). The method includes a terminal generating a power headroom report for a SRS-only CC when a preset condition is satisfied. The method further includes the terminal sending the PHR report to a base station.
US11178620B2 Method and device in UE and base station for power adjustment
The disclosure provides a method and a device in a base station and a User Equipment (UE) for power adjustment. The UE first transmits a first radio signal. The first radio signal occupies T time unit(s) in time domain, and the T is used for determining a first component. A first reference power is in linear correlation with the first component. A transmit power of the first radio signal is a first power, and the first reference power is used for determining the first power. The T is a positive integer. The above method can ensure that the first radio signal keeps a stable coverage in the condition that the first radio signal occupies different numbers of time units.
US11178613B2 Multicast/broadcast service continuity in multi-carrier networks
Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for management and/or support of multimedia broadcast multicast service (MBMS) service in a wireless communications network. An evolved Node B (eNB) may transmit MBMS assistance information to a user equipment (UE). The MBMS assistance information may identify a carrier by which one or more upcoming MBMS services are to be provided and an indicator of a carrier selection mode to be used by the UE. The UE may transmit an MBMS interest indication message including information related to one or more targeted MBMS services which the UE wants to receive.
US11178611B2 Low duty cycle transmission scheme for NB IoT devices
The invention discloses a transmission scheme for mobile communication devices scheduled in a cell of a network by a base station, whereas a user equipment (UE) powered by a power supply transmits a block of payload information defined by a limited transmission power over a contiguous total transmission time, whereas transmissions of consecutive blocks of payload information of one UE are separated by scheduling gaps resulting from scheduling of UE transmissions by base station. The object of the invention to introduce a transmission scheme that can improve and/or extend the power supply/battery lifetime of NB-IOT devices as well as reduce the size and cost of such cheap mass-market devices without reducing the network coverage or cell capacity will be solved by a new transmission scheme with a scheduling gap which has a variable length with a defined minimum time duration which corresponds to a power supply recovery time and whereas the scheduling gap is extended in order to increase the power supply recovery time, respectively.
US11178609B2 Power management for remote antenna units in distributed antenna systems
Power management for remote units in a wireless distribution system. Power can be managed for a remote unit configured to power modules and devices that may require more power to operate than power available to the remote unit. For example, the remote unit may be configured to include power-consuming remote unit modules to provide communication services. As another example, the remote unit may be configured to provide power through powered ports in the remote unit to power-consuming devices. Depending on the configuration of the remote unit, the power-consuming remote unit modules and/or power-consuming devices may demand more power than is available at the remote unit. In this instance, the power available at the remote unit can be distributed to the power-consuming modules and devices based on the priority of services desired to be provided by the remote unit.
US11178608B2 Method and system for system information acquisition in wireless communication system
Disclosed is a method that decodes a broadcast channel to obtain first system information periodically broadcasted from a base station; applies at least one cell selection parameter indicated in the first system information to camp on a cell served by the base station and storing the first system information; accesses the camped cell based on at least one random access parameter indicated in the first system information; and determines whether at least one of a system information block of second system information available in the camped cell is provided based on at least one of the periodic broadcast and an on-demand basis. The on-demand basis to deliver the corresponding system information block of the second system information available in the camped cell is decided based on at least one of an indication and a flag included in the first system information for the system information block.
US11178607B2 Method of deleting SSID of access point stored in information processing apparatus
In a method, that is executed in an information processing apparatus, of deleting an SSID (Service Set Identifier) of an access point stored in the information processing apparatus, information indicating SSIDs stored in the information processing apparatus is obtained from the information processing apparatus, and an SSID satisfying a predetermined condition is specified among the SSIDs included in the obtained information. The information processing apparatus is instructed to delete the specified SSID.
US11178605B2 Communication method and apparatus
This application provides a communication method and apparatus. The communication method includes: detecting that a terminal in an inactive state is in an out-of-service state, and determining a target cell of the terminal.
US11178601B2 Group speakers
The present invention is generally directed to a playback device configured to audibly output audio in a multi-network environment. The device may include a network interface to receive audio and/or video data over a plurality of wireless networks; speaker drivers; one or more color indicators associated with wireless networks; a user interface to receive a user's selection of a specific wireless network through a the use of a color indicator; and one or more processors to sign into a selected first wireless network and receive data therefrom, and to audibly output the data received; receive from the user interface a selection of a specific color, the specific color associated with a second wireless network; sign out of the specific wireless network and into the second wireless network; and receive from the second wireless network data, and output the audio via the one or more speaker drivers.
US11178596B2 Identifying users via mobile hotspots
A user device receives a service device identifier via a Wi-Fi scan at a location and transmits the received service device identifier to an management system via a network. If the management computing system receives multiple service device identifiers from the user computing device, the management computing system receives location data of the user computing device and signal strength data associated with each of the service device identifiers. The management system receives location data from the user computing device and determines a particular service device identifier from the multiple identified service device identifiers having a strongest signal strength where the user computing device location data also indicates the user computing device to be located within a geofence boundary associated with the service device. The management system transmits user account information to the selected service system computing device.
US11178595B2 Method and device for networking
Embodiments of the present disclosure provide a method for networking and a corresponding device. The method includes in response to a terminal device accessing network, obtaining configuration information of the terminal device; based on the configuration information, determining a traffic path associated with the terminal device; and configuring an underlying network node of the network based on the traffic path such that the underlying network node routes traffic associated with the terminal device based on the traffic path. A device that can implement the above method is further disclosed.
US11178594B2 Systems and methods for routing data
Methods and systems for routing data are disclosed. In one aspect, service management can be implemented on one or more computing devices located between at least one router and one or more nodes. The one or more computing devices can be a default gateway for a plurality of user devices. In another aspect, the disclosed methods and systems can use a tag in routing a data block (e.g., service data) via a predefined route. For example, a device can transmit a request for a tag to a network node for routing a data block via a predefined route. Upon receiving the request, the network node can allocate a tag and create an interface. The interface can be associated with the tag and communications between the network node and the device for routing the data block.
US11178593B2 Terminal, relay apparatus selection apparatus, communication method, relay apparatus selection method, and program
A terminal used as a terminal in a plurality of terminals in a system including the plurality of terminals that communicate with each other and a plurality of relay apparatuses. The terminal is configured to measure a delay time between the terminal and each relay apparatus of the plurality of relay apparatuses; select a relay apparatus from the plurality of relay apparatuses based on the delay time measured by the measurement means; and perform communication with another terminal via the relay apparatus.
US11178588B2 Measurement method and apparatus
This application provides a measurement method and an apparatus. The method includes: receiving a measurement configuration from a base station, where the measurement configuration includes indication information, and the indication information is used to indicate a relationship between neighboring cell measurement of a terminal and configured s-measure of the terminal. In the method, the indication information may be carried in the measurement configuration, and the indication information indicates the relationship between the neighboring cell measurement of the terminal and configured s-measure of the terminal.
US11178586B2 Systems and methods for reporting of beam correspondence state
Certain aspects of the present disclosure provide techniques for reporting of a beam correspondence state. Certain aspects provide a method for wireless communication by a first wireless device. The method includes, based on detecting the occurrence of a triggering event, determining one or more beam correspondence states for one or more beams or portions of beams used by the first wireless device for communication. The method further includes transmitting one or more indications of the one or more beam correspondence states to a second wireless device, wherein the one or more indications of the one or more beam correspondence states indicate whether the first wireless device has the capability of beam correspondence between the one or more beams and corresponding one or more transmit or receive beams used by the first wireless device for communication.
US11178584B2 Access method, device and system for user equipment (UE)
The present application provides an access method, device, and system of UE, and relates to the communications field. The method is performed by a first network device on a 3GPP network, including: receiving, by using a second network device on a non-3GPP network, an access request message from the UE; generating a first NAS verification code according to an identifier of the UE and a NAS security context of the UE stored in the first network device; if the access request message includes a second NAS verification code, detecting whether the second NAS verification code is the same as the first NAS verification code; and if the second NAS verification code is the same as the first NAS verification code, sending an access key of the non-3GPP network to the second network device.
US11178582B2 Transcoding avoidance during single radio voice call continuity (SRVCC)
Technology for transcoding avoidance is disclosed. A mobile switching center (MSC) server can decode a single radio voice call continuity (SRVCC) packet switch (PS) to circuit switched (CS) request message received from a mobility management entity (MME) that includes selected CODEC information for a selected CODEC used for a user equipment (UE) in an internet protocol (IP) Multimedia Subsystem (IMS) over long term evolution (LTE) system. The MSC server can encode the selected CODEC information for transmission to a target MSC to enable the target MSC to identify the selected CODEC for the UE to allow the selected CODEC to be used in the CS domain.
US11178579B2 System and method for unmanned transportation management
A method includes obtaining route information at an unmanned aerial vehicle (UAV). The route information indicates a plurality of zones between an origin and a destination and a corresponding set of mobile devices for each zone. The method includes receiving first control data at the UAV from a first mobile device while in a first zone of the plurality of zones. The first mobile device is included in a first set of mobile devices corresponding to the first zone. The method further includes receiving second control data at the UAV from a second mobile device while in a second zone of the plurality of zones. The second mobile device is included in a second set of mobile devices corresponding to the second zone.
US11178578B2 Method and apparatus for device-to-device sidelink resource selection in a wireless communication system
A method and apparatus are disclosed from the perspective of a first device for performing sidelink transmission in a sidelink resource pool. In one embodiment, the first device has a configuration of the sidelink resource pool, wherein the sidelink resource pool is enabled with resource reservation for different Transport Blocks (TBs). The first device also has a configuration of a list of reserved periods. Furthermore, the first device selects or determines a first reserved period from the list of reserved periods, wherein the first selected or determined reserved period is within a first set of reserved periods. In addition, the first device randomly selects a first integer in a first interval, wherein the first interval is based on a scaling factor and a second interval, and the scaling factor is derived based on a largest reserved period in the first set of reserved periods, and wherein the first integer indicates a number of transmission opportunities of different TBs with the first reserved period. The first device further performs sidelink transmission of one TB on one transmission opportunity from the number of transmission opportunities.
US11178577B1 Dynamically combining air-interface resource reservations
A method and system for controlling air-interface resources on a radio-frequency (RF) carrier on which an access node provides wireless communication service. While the access node is set to apply at least two resource-reservations (e.g., PRB-reservations) that are mutually exclusive on the carrier, a computing system detects that resource-availability on the carrier is threshold low. And in response to the detecting, the computing system causes the access node to combine together the at least two resource-reservations on the carrier The combining together of the at least two resource-reservations on the carrier retains the at least two resource-reservations on the carrier but results in a reduction in aggregate total quantity of air-interface resources consumed by the at least two resource-reservations on the carrier.
US11178576B2 Parameter conversions between an evolved packet system network and a 5G network
This application provides a parameter determining method and a communications entity. The method includes: When a UE is in a system in which an evolved packet system (EPS) network and a 5GS network interwork, the UE is currently located in the 5GS network, and QoS parameters used include an authorized UE aggregate maximum bit rate (AMBR) and an authorized session AMBR of a session. Because of movement of the UE, the UE needs to be handed over to the EPS network, and QoS parameters that need to be used for the UE in the EPS network include an authorized UE AMBR and an authorized access point name (APN) AMBR. The authorized APN AMBR is determined by a first communications entity based on at least one of a subscribed APN AMBR or the authorized session AMBR of the PDU session, and the authorized UE AMBR is determined by a second communications entity based on the authorized APN AMBR.
US11178573B2 Method for load management of base station and apparatuses thereof
Provided are apparatuses and methods of managing a load of a base station node in fifth generation (5G) networks. The method of a master base station for managing a load of a secondary base station may include establishing dual connectivity with the secondary base station, receiving a secondary base station status indication message from the secondary base station through an X2 interface, and determining whether to apply an action for reducing a load of the secondary base station based on a value of a secondary base station load information parameter included in the secondary base station status indication message.
US11178571B2 Method and device for controlling data replication function and computer storage medium
A method for controlling a data duplication function include: receiving, by a terminal, medium access control-control element (MAC CE) sent by a base station, the MAC CE supporting a first network protocol; and controlling, by the terminal based on the MAC CE, the data duplication function of a packet data convergence protocol (PDCP) entity of the terminal, the PDCP entity supporting a second network protocol.
US11178570B2 Apparatus, system and method of communication during a transmit opportunity (TXOP)
For example, a first STA may be configured to transmit to a second STA a message including a first value to indicate an available memory size at the first STA at a beginning of a TXOP, and a second value to indicate a maximal length of an A-MPDU transmission during the TXOP; to receive an initial A-MPDU from the second STA during the TXOP, a length of the initial A-MPDU is not longer than the first value; to determine a capacity value based on a current available memory size at the first STA, the capacity value to indicate whether the second STA is to be allowed to send to the first STA a subsequent A-MPDU having a length which is not longer than the second value; and to transmit to the second STA an Ack including a buffer capacity field including the capacity value.
US11178566B2 Power saving medium access in congested network environments
A Wi-Fi device in a WLAN network includes a processor and a transceiver adapted to be coupled to an antenna, and a power saving medium access in congested network environments algorithm that is activated after a Wi-Fi connection is established with its access point (AP). A Traffic Indication Map (TIM) bitmap in a TIM information element received in a beacon frame from the AP is analyzed to determine whether more than a predetermined number of bits (X) are set to indicate the AP has ≥1 buffered frame for ones of the Wi-Fi devices to conclude whether the WLAN is in a congested environment. When in a congested environment, transmissions responsive to the beacon are postponed by entering a sleep mode for a random period of time (P). After P expires, the sleep mode is exited and a poll frame is transmitted to the AP to try to gain medium access.
US11178557B2 Function slicing of wired and wireless network resources
Disclosed are various embodiments for realizing cross-domain (wireless radio and wired core networks) and cross-layer (physical, media access control, and network) functionalities for multi-service converged 5G and beyond (5G&B) infrastructure. A virtual network can be determined that slices across domains and layers of a communication network. Data flow rates and routing solutions for the virtual network can be determined. Examples of controlling resources of a software-defined network (SDN) to achieve the data flow rates and the routing solutions are provided.
US11178556B2 Optimizing performance between a wireless distribution system (WDS) and a macro network(s)
Optimizing performance between a wireless distribution system (WDS) and a macro network(s). In this regard, a macro network optimization system is configured to detect a performance indicator(s) between a WDS and a macro network and optimize the performance of the macro network based on the detected performance indicator(s). The macro network optimization system analyzes a macro network performance report provided by the macro network and/or a WDS performance report provided by the WDS to detect the performance indicator(s) between the WDS and the macro network. The macro network optimization system reconfigures operations of one or more macro network elements to optimize performance between the WDS and the macro network based on the detected performance indicator(s). By detecting and optimizing performance between the WDS and the macro network, capacity, throughput, and/or coverage of the WDS and the macro network can be improved, thus providing better quality of experience (QoE).
US11178555B2 Enhanced network slice management for wireless communications
This disclosure describes systems, methods, and apparatuses related to enhanced network slice management. An apparatus may identify a first network slice instance management action request. The apparatus may identify a second network slice instance management action request. The apparatus may determine a coordination between the first modification and the second modification based on a received policy.
US11178553B2 Information processing apparatus and non-transitory computer readable storage medium
An information processing apparatus includes a communication unit and a switching unit. The communication unit is configured to conduct a wireless communication using plural transmission methods, one of which has plural channels. When a channel or transmission method having a higher communication quality than that of a communication that is being conducted has become able to communicate, the switching unit switches to the channel or the transmission method having the higher communication quality.
US11178551B2 Method and device for transmitting positioning reference signal
A method for a base station to transmit a positioning reference signal (PRS) in a wireless communication system may be provided according to an embodiment in the present specification. Here, the method for transmitting a PRS may comprise: a step of transmitting PRS occasion configuration information; and a step of transmitting a PRS in each PRS occasion on the basis of the PRS occasion configuration information. Here, the PRS occasion configuration information may include information about beams used in the respective PRS occasions, and the PRS may be transmitted as the beams used in the respective PRS occasions are swept.
US11178549B1 Information providing method for providing information regarding terminal activation and electronic device performing the same
A method performed by an electronic apparatus to provide information associated with activation of a portable terminal according to various embodiments includes acquiring order information associated with the portable terminal, acquiring information associated with delivery of the portable terminal corresponding to the order information from a server, and, based on the order information and the information associated with the delivery of the portable terminal, providing the information associated with the activation of the portable terminal, and the information associated with the activation comprises information on whether the portable terminal has been shipped out.
US11178547B2 Identity-based message integrity protection and verification for wireless communication
Techniques for identity-based message integrity protection and verification between a user equipment (UE) and a wireless network entity, include use of signatures derived from identity-based keys. To protect against attacks from rogue network entities before activation of a security context with a network entity, the UE verifies integrity of messages by checking a signature using an identity-based public key PKID derived by the UE based on (i) an identity value (ID) of the network entity and (ii) a separate public key PKPKG of a private key generator (PKG) server. The network entity generates signatures for messages using an identity-based private key SKID obtained from the PKG server, which generates the identity-based private key SKID using (i) the ID value of the network entity and (ii) a private key SKPKG that is known only by the PKG server and corresponds to the public key PKPKG.
US11178543B2 Apparatus and method for mobility procedure involving mobility management entity relocation
A device that identifies entry into a new service area, transmits a service area update request to a network device associated with a network, receives a control plane message from the network indicating control plane device relocation or a key refresh due to a service area change in response to transmitting the service area update request, and derives a first key based in part on data included in the control plane message and a second key shared between the device and a key management device. Another device that receives a handover command from a network device associated with a network, the handover command indicating a new service area, derives a first key based on data included in the handover command and on a second key shared between the device and a key management device, and sends a handover confirmation message that is secured based on the first key.
US11178534B2 Management of a subscriber entity
There is provided mechanisms for enabling management of a subscriber entity. A method is performed by the subscriber entity. The method comprises obtaining a message from a subscription server. The message comprises an event record. The event record is addressed to the subscriber entity and comprises a pointer to a primary entity. The method comprises establishing a connection to the primary entity for management of the subscriber entity.
US11178531B2 Link devices using their relative positions
A method, system, and computer program product for identifying and linking communicating devices using live camera data includes: identifying a visible device that is visible to a linking device; identifying a connected device that is connected to the linking device; determining visible movement of the visible device; requesting video information from the connected device; calculating, using the video information, video movement of the connected device; determining that the visible movement matches the video movement; concluding, based on the determining, that the visible device is the connected device; and linking, based on the concluding, the visible device and the connected device.
US11178527B1 Method and apparatus for proactive data hinting through dedicated traffic channel of telecom network
A method, system and computer-usable medium are disclosed for proactive data hinting in a telecom network. In certain embodiments, the invention relates to receiving a data hinting request for an application at a virtual network framework of the telecom network. A dedicated hinting channel is selected to provide the proactive data hinting; monitoring for the hinting request. Data is moved from the resource, such as edge cloud computing, where the application is implemented when the proactive data hinting is received. The application is used by user equipment, access points and Internet of Things (IoT) devices.
US11178526B2 Service transmission method, terminal device, and network device
The application provides a wireless communication method, a terminal device, and a network device. The method includes: a terminal device determining, according to a service identifier of a service to be transmitted, a carrier or a carrier set for sending or receiving the service to be transmitted; and the terminal device sending or receiving the service to be transmitted on a carrier or a carrier set corresponding to the service identifier, wherein the service identifier is a service code point or a service primitive of the service to be transmitted generated at the service layer, the service code point is a code of a service generated by the service to be transmitted on the service layer, and the service primitive is a textual description of the service generated by the service to be transmitted on the service layer.
US11178524B2 Data collection method using user terminal and data collection system
A data collection method using a user terminal and a data collection system. The data collection method is a method of collecting data using a user terminal and an existing mobile communication network, without using a separate dedicated communication network.
US11178519B2 Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing same
Disclosed are a message service provision method for providing a message service via an open chat room corresponding to link information, and a message server and a terminal for executing the message service provision method. The message service provision method comprises the steps of: transmitting, to a message server, a request for issuing link information for an open chat room via a message application; receiving, from the message server, link information generated in response to the request for issuing link information; sharing the link information according to a request for sharing inputted by a user of a host terminal; and performing chatting with a user of a guest terminal participating in the open chat room by means of the shared link information; wherein the user of the guest terminal and the user of the host terminal are users who subscribed to a message service provided via the message server.
US11178517B2 Method for changing group type and group creation method and device
A method including determining, according to a received type change instruction with respect to a group, a target group type of the group; selecting, according to a limiting condition imposed on group affiliation information of a group member by the target group type, a group member who does not satisfy the limiting condition; and removing the selected group member from the group.
US11178514B1 System and method for sending and receiving security alerts at differing locations
A system for facilitating sending and receiving of security alerts may include a processor communicatively coupled to a memory and a network interface, the network interface communicatively coupled to a network. A fixed location manager and a roving location manager may be communicatively coupled to the network interface and the network and may be configured to: (i) receive security messages from a plurality of user mobile devices coupled with the network, (ii) create a fixed forum security message and a roving forum security message, each of which is associated with a geographic location of one of the security messages, and (iii) send the fixed forum security message and the roving forum security message to all of the plurality of user mobile devices that comprise a fixed alert area or a roving alert area associate with the geographic location.
US11178510B2 Network positioning method and related equipment
Embodiments of the present invention discloses a network positioning method and related equipments, the method includes: determining, by a first device, an auxiliary UE from a candidate set, the candidate set is within the end-to-end range of the first device, determining, by the first device, whether the end-to-end range of the first device is less than a range configured by a network device; based on the determination that the end-to-end range of the first device is less than a range configured by a network device, setting, by the first device, position information of the first device as the position information of the auxiliary UE. The technical solution provided by the present invention can effectively enhance the network positioning precision.
US11178509B2 Determining qualified devices using zone information
Determining qualified devices using zone information is disclosed. Traffic data associated with the presence of a set of devices at a location is received. At least some of the devices included in the set are qualified as qualified devices. A set of sessions associated with at least some of the qualified devices is crated. Information associated with the set of sessions is provided as output.
US11178507B2 Systems, methods and apparatus for geofence networks
Systems, methods and devices for location-based services are disclosed in the present invention. A multiplicity of network devices, a database, and a server platform in network-based communication. The database stores a space-network model binding IP addresses and physical locations. The server platform is operable to generate at least one geofence in the space-network model and specify entitlements for the location-based services within the at least one geofence. The at least one geofence and specific entitlement are stored to the database. The multiplicity of network devices are configured to learn the space-network model and the at least one geofence and perform tasks based on the entitlements specified for the location-based services within the at least one geofence.
US11178496B2 Methods and apparatus for transmitting vibrations
Methods and apparatus for transmitting vibrations via an electronic and/or transducer assembly through a tooth or teeth are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a removable oral appliance to form a hearing aid assembly. Such an oral appliance may be a custom-made device. The electronic and transducer assembly may receive incoming sounds either directly or through a receiver to process and amplify the signals and transmit the processed sounds via a vibrating transducer element coupled to a tooth or other bone structure, such as the maxillary, mandibular, or palatine bone structure.
US11178495B2 Electromechanical transducer and electroacoustic transducer
The electromechanical transducer is provided with: a structure portion in which a magnet, yokes, and a coil are integrally arranged; an armature which includes an inner portion penetrating through an internal space of the structure portion along a central axis in the X-direction, and outer portions, constitutes a magnetic circuit with the structure portion, and is displaced in the Z-direction; and elastic members providing the armature with a recovery force. Each of the elastic members has a first and a second engaging portions. A width in which a force in the Z-direction acts between each of the elastic members and the structure portion via the first engaging portion has a first distance. A width between each of the elastic members and the outer portion via the second engaging portion has a second distance in the Y-direction, wherein the dimension condition of 2a>2×2b is set.
US11178494B2 Sound generating device
An embodiment of the present invention provides a sound generating device which comprises a housing, wherein a sound generating unit is mounted in the housing, a closed rear cavity is formed between the sound generating unit and the housing, and the sound generating unit is provided with a rear sound hole in communication with the rear cavity, wherein the sound generating unit comprises a magnetic circuit system, an expandable-capacity cavity being provided on the magnetic circuit system, and the expandable-capacity cavity acting as part of the rear cavity to increase a volume of the rear cavity.
US11178493B2 Electroacoustic transducer
An electroacoustic transducer includes: a diaphragm; a magnetic circuit having a magnetic gap; a frame that holds the diaphragm and the magnetic circuit; a voice coil having one end portion positioned within the magnetic gap and the other end portion coupled to the diaphragm; and a low friction material that is disposed in a sliding portion formed by the voice coil and the magnetic circuit, and includes polymer compounds swollen with liquid.
US11178492B2 Loudspeaker with a diaphragm stiffening grid
A loudspeaker is provided having a frame, a device for generating a magnetic field in a magnetic circuit exhibiting an air gap, turns of conductive materials for moving in the air gap, a diaphragm rigidly connected to the turns of the conductive materials that moves in a direction of movement with respect to the frame, the diaphragm having an inner face and an outer face. The inner face of the diaphragm is positioned to face the frame, and the loudspeaker also contains ag rid that stiffens the diaphragm and is shaped to allow the grid to be glued to the outer face of the diaphragm. The grid glued on the diaphragm forces the diaphragm to execute the movements of the turns of conductive materials. The diaphragm obeys impulses given by the turns of the conductive materials, reproduces them identically and transmits vibrations to the air without creating parasitic standing waves.
US11178491B2 Radiation device and dual suspension edge loudspeaker, loudspeaker box, and application thereof
A dual suspension edge member structure for a radiation device, a dual suspension edge loudspeaker and a loudspeaker box. The radiation device comprises an outer supporting frame, a vibration element, a first suspension edge member extending between the vibration element and the outer supporting frame, an inner frame connected to the vibration element, an outer holding frame, and a second suspension edge member connected between the inner frame and the outer holding frame. The dual suspension edge member structure of the radiation device for making the dual suspension edge loudspeaker or loudspeaker box prevents shaking and shifting of the vibration element to improve the sound effect quality.
US11178486B2 Modular furniture speaker assembly with reconfigurable transverse members
An electronic furniture assembly of the present invention comprises: (i) a furniture assembly comprising: (A) a base (e.g., a seat portion), (B) at least one transverse member (e.g., a side, armrest or backrest), and (C) a coupler for selectively coupling the base to the transverse member; and (ii) a speaker system mounted within one or more portions of the furniture assembly. The speaker system comprises one or more speakers mounted within the base and/or the transverse member, hiding the speakers therein, and saving space within a home or office, using the same footprint for both furniture and speakers, providing a high fidelity surround sound system.
US11178484B2 Microphone array with automated adaptive beam tracking
An example method of operation may include initializing a microphone array in a defined space to receive one or more sound instances based on a preliminary beamform tracking configuration, detecting the one or more sound instances within the defined space via the microphone array, modifying the preliminary beamform tracking configuration, based on a location of the one or more sound instances, to create a modified beamform tracking configuration, and saving the modified beamform tracking configuration in a memory of a microphone array controller.
US11178483B2 Signal limit based on detecting clipping
Example techniques may involve controlling a passive radiator. An implementation may include a device receiving, via a network interface, audio content and generating an audio signal representing the audio content. Generating the audio signal involves modifying portions of the audio content to limit excursion of the speaker driver to less than an excursion limit when a forward prediction model indicates that the portions of the audio content are predicted to cause the speaker driver to move beyond the excursion limit. While playing back the generated audio signal via the audio stage, the device detects, via a sensor, clipping of the speaker driver and generates a feedback signal based on the detected clipping of the speaker driver. The device adjusts the forward prediction model based on the generated feedback signal.
US11178479B2 Bone conduction headset
A headset for a head having a first earpiece, a second earpiece, and a headband. The first earpiece has a horseshoe shaped housing and a plurality of audio elements. The housing of the first earpiece has a crest. The second earpiece has a horseshoe shaped housing and a plurality of audio elements. The housing of the second earpiece has a crest. The headband extends between the crest of the first earpiece and the crest of the second earpiece. The plurality of audio elements of the first earpiece are positionable against a first side of the head and the plurality of audio elements of the second earpiece are positionable against a second side of the head.
US11178475B2 Speaker and shower
An assembly may include a speaker supportable for movement relative to a reference external to the speaker and a speaker housing supporting speaker components operable to produce an audio output. A sensor is operable to sense a direction of movement of the speaker during movement of the speaker relative to the reference. Control components are operable to control the speaker components based on the direction of movement of the speaker relative to the reference. When the speaker is sensed to be moving in a first direction relative to the reference, an operational characteristic of the speaker components is controlled to increase or advance during movement in the first direction. When the speaker is sensed to be moving in a second direction relative to the reference different from the first direction, the operational characteristic of the speaker components is controlled to decrease or retreat during movement in the second direction.
US11178473B1 Co-packaged light engine chiplets on switch substrate
A co-packaged optical-electrical module includes a module substrate with a minimum lateral dimension no greater than 100 mm. The co-packaged optical-electrical module further includes a main die with a processor chip disposed at a central region of the module substrate, the processor chip being configured to operate with a digital-signal processing (DSP) interface for extra-short-reach data interconnect. Additionally, the co-packaged optical-electrical module includes a plurality of chiplet dies disposed densely along a peripheral region of the module substrate. Each chiplet die is configured to be self-packaged light engine on a sub-module substrate with a minimum lateral dimension to allow a maximum number of chiplet dies on the module substrate with a distance of any chiplet die from the main die smaller than 50 mm for extra-short-reach interconnect operation.
US11178470B2 Method, device, and computer program for encapsulating partitioned timed media data
The invention relates to encapsulating tiled timed media data in a server and providing a timed media data bit-stream from encapsulated tiled timed media in a client device. The tiled timed media data comprises timed samples and each timed sample comprises a plurality of spatial subsamples. After having selected at least one spatial subsample from amongst the plurality of spatial subsamples of one of the timed samples, one tile track comprising the selected spatial subsample and one corresponding spatial subsample of each of the other timed samples is created for each selected spatial subsample. One composite track comprising at least one extractor identifying at least one of the created tile tracks is created. Each created track is independently encapsulated in at least one media segment file.
US11178469B2 Pre-distribution identification of broadcast television content using audio fingerprints
Systems, devices and methods are provided to automatically identify advertisements or other portions of a broadcast television stream before the stream is distributed via a cable, DBS, IPTV or other medium. The television broadcast is received at the data processing system, and audio content of the television broadcast is analyzed to generate an audio fingerprint of a portion of the audio content. The identified audio fingerprint are compared to audio fingerprints stored in a database to thereby identify the portion of the television broadcast based on the generated audio fingerprint. By identifying the contents of an actual broadcast prior to redistribution of the broadcast, additional actions may be taken that are unique to the identified content.
US11178461B2 Asynchronous video conversation systems and methods
A distributed network for producing consensus, featuring methods comprising: playing, by an Exchange Player, a set of individual speaker videos created by an Exchange Recorder, wherein the set of individual speaker videos comprise an Exchange between a plurality of speakers; displaying, by a user interface of the Exchange Player, replies to the current speaker video as a vertical list of thumbnails overlaying a side of the Exchange Player user interface; and providing, by a user interface of the Exchange Player, the ability for users to rate speaker videos to indicate their level of agreement with the speakers, and for their ratings to be used to measure audience consensus with speaker videos at various levels, including post, thread, and conversation.
US11178458B2 Enabling programming of recordings
Enabling a first user to send to a second user a promotional program icon used to enable recording of a program promoted by the icon includes enabling the first user to access a display of content accessible via a network environment. The display of content includes the promotional program icon, and the first user is able to select the promotional program icon and request presentation of the icon to a second user.
US11178457B2 Interactive music creation and playback method and system
A system and method for music delivery and customization includes a concept and approach to music recording, storage, customization, and delivery, in a manner such that subsequent listeners can individually supplement and/or adjust music content for later playback or other uses. Music can be arranged by merging any number of recorded tracks with live music and rerecorded or remixed, where control can be achieved in real time and in the further presence of video.
US11178450B2 Image processing method and apparatus in video live streaming process, and storage medium
A method and apparatus for video live streaming process are provided. The method may include obtaining a feature image preset for a service process, the feature image being an image block that identifies the service process, obtaining a video screenshot from a video live streaming data stream according to a screenshot interval, detecting whether the feature image exists in the video screenshot, and outputting the video screenshot based on the feature image being detected in the video screenshot.
US11178448B2 Method, apparatus for processing video, electronic device and computer-readable storage medium
Embodiments of the present disclosure provide a method, an apparatus for processing video, an electronic device, and a computer-readable storage medium. The method includes: transmitting a request for acquiring a video to a server when current display information in a user interaction interface is preview information of the video, wherein, the request for acquiring the video comprises identification information of the video; receiving video information corresponding to the video pushed by the server based on the request for acquiring the video; and displaying the video information through a video preview window, wherein the video preview window is suspended above the user interaction interface. According to the embodiments of the present disclosure, the user can preview video information corresponding to respective video through a video preview window in the user interaction interface, that is, the user can directly select a video of interest by using the video information displayed in the video preview window, without entering the video playing screen, which improves the user's interactive experience.
US11178441B2 Configuration of playback device audio settings
Example techniques describe may facilitate a playback device applying a determined audio setting. An example implementation involves a first playback device receiving, over an unsecure network, a message indicating that a second playback device is available to join a playback network, wherein the first playback device is connected to the playback network. Based on a pre-existing configuration table, the first playback device determines an audio setting corresponding to a playback configuration for the second playback device, the playback configuration including the second playback device playing back audio synchronously with the first playback device in the playback network. The first playback device transmits, to the second playback device, one or more messages instructing the second playback device to apply the determined audio setting upon joining the playback network. Applying the determined audio setting includes forming the playback configuration with the first playback device to play back audio synchronously.
US11178440B2 Data processing apparatus and data processing method
The present technology relates to a data processing apparatus and a data processing method that enable correct clock synchronization by use of clock information. The data processing apparatus receives a digital broadcast signal so as to process content included in the digital broadcast signal and clock information also included therein for use in presentation synchronization on the content and sends via a transmission path the processed content and clock information to another data processing apparatus that presents the received content. On the other hand, the another data processing apparatus receives via the transmission path the content and clock information sent from the data processing apparatus so as to process presentation synchronization on the received content on the basis of the received clock information. The present technology is applicable to data processing apparatuses configured to process content, for example.
US11178438B2 Broadcast signal transmitting/receiving device and method
Disclosed is a broadcast signal transmitting method. The broadcast signal transmitting method according to an embodiment of the present invention may comprise: generating low level signaling, LLS, information; encapsulating the LLS information into an IP packet; and generating a signal frame by physical layer processing the LLS information. The LLS information may comprise comprises LLS ID information identifying a type of the LLS information and the type of the LLS information may comprise at least one of EA information providing information related to emergency alert and screen clear information providing information related to screen clear.
US11178437B2 Method, system, and non-transitory computer readable record medium for video quality control
Provided are a method, a system, and a non-transitory computer readable record medium for video quality control. A quality control method may include: receiving a video stream including frames classified into a plurality of frame types based on a reference relationship between the frames for decoding; selecting a frame type among the plurality of frame types; and controlling a quality of the video stream by multiplexing the frames included in the video stream and by outputting one or more of the frames that have the selected frame type.
US11178435B2 Systems and methods for saving encoded media streamed using adaptive bitrate streaming
Systems and methods for saving encoded media streamed using adaptive bitrate streaming in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a playback device configured to perform adaptive bitrate streaming of media includes a video decoder application and a processor, where the video decoder application configures the processor to select a download stream from a set of alternative streams of video data, measure streaming conditions and request a stream of video data from the alternative streams of video data, receive portions of video data from the requested stream of video data, decode the received video data, save the received video data to memory, when the received video data is from the download stream and separately download and save the corresponding portion of video data from the download stream to memory, when the received video data is not from the download stream.
US11178429B2 Method for producing video coding and programme-product
According to the invention, there are provided sets of contexts specifically adapted to encode special coefficients of a prediction error matrix, on the basis of previously encoded values of level k. Furthermore, the number of values of levels other than 0 is explicitly encoded and numbers of appropriate contexts are selected on the basis of the number of spectral coefficients other than 0.
US11178427B2 Dynamic sub-partition intra prediction for video coding
An example device for coding (encoding or decoding) video data includes a memory configured to store video data; and one or more processors implemented in circuitry and configured to: partition a coding unit (CU) of video data into sub-blocks, the sub-blocks being arranged into a number of rows and a number of columns, the number of rows being greater than 1 and the number of columns being greater than 1; form intra-prediction blocks for each of the sub-blocks; and code the CU using the intra-prediction blocks.
US11178425B2 Efficient rounding for deblocking
The present disclosure relates to deblocking filtering which is applicable to smoothing the block boundaries in an image or video coding and decoding. In particular, the deblocking filtering is either strong or weak, wherein the clipping is performed differently in the strong filtering and the weak filtering.
US11178416B2 Global motion models for motion vector inter prediction
A decoder includes circuitry configured to receive a bitstream, extract a header associated with a current frame and including a signal characterizing that global motion is enabled and further characterizing parameters of a motion model, and decoding the current frame, the decoding including using the parameters of the motion model for each current block in the current frame. Related apparatus, systems, techniques and articles are also described.
US11178409B2 Probability mapping for entropy coding
A method for coding a frame of a video stream includes selecting a first initial probability distribution for coding at least a first portion of the frame; updating, to obtain an updated first initial probability distribution and using backward adaptivity, the first initial probability distribution while coding the first portion of the frame; mapping the updated first initial probability distribution to a second initial probability distribution; and coding a second portion of the frame using the second initial probability distribution as an initial probability distribution. The first values of the first initial probability distribution are described using M bits, wherein M is a first positive integer. Second values of the updated first initial probability distribution are described using N bits, where N is a second positive integer that is greater than M. Third values of the second initial probability distribution are described using M bits.
US11178408B2 Method and apparatus for encoding/decoding image
Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.
US11178405B2 Method and apparatus for video decoding, and method and apparatus for video encoding
Provided are a method and apparatus for performing intra prediction, in a video encoding and decoding procedure, by configuring an additional mode set based on most probable mode (MPM) modes of a current block, and determining an intra prediction mode of the current block, based on the MPM modes and the additional mode set. To solve the technical problems, a video decoding method provided in the present disclosure includes configuring an additional mode set based on MPM modes of a current block; determining an intra prediction mode of the current block, based on the MPM modes and the additional mode set; and performing intra prediction on the current block, based on the intra prediction mode.
US11178400B2 Method and system for selectively breaking prediction in video coding
Described are techniques in video coding and/or decoding that allow for selectively breaking prediction and/or in loop filtering across segment boundaries between different segments of a video picture. A high layer syntax element, such as a parameter set or a slice header, may contain one or more indications signalling to an encoder and/or decoder whether an associated prediction or loop filtering tool may be applied across the segment boundary. In response to such one or more indications, the encoder and/or decoder may then control the prediction or loop filtering tool accordingly.
US11178394B2 System and method of subjective video quality evaluation
There are provided computerized systems and methods for video quality assessment, the system including a server including a database configured to store pointers to a plurality of video clip pairs and a processor operatively connected thereto, configured to store pointers to a plurality of video clip pairs to be used in one or more test sessions performed by one or more users. The processor is configured to create, for each test session performed by a respective user: a test set, a display order and display positions of the each video in each video clip pairs in the set, and is further configured to send the one or more test sets to the one or more users for assessing quality and to receive feedback regarding the assessed quality, wherein the feedback is usable for providing subjective quality evaluation of the plurality of video clip pairs.
US11178392B2 Integrated optical emitters and applications thereof
An opto-electronic device includes a semiconductor substrate having a planar surface. An emitter is formed on the substrate and configured to emit a beam of light away from the planar surface. A reflective layer is formed on the planar surface adjacent to the emitter. A transparent layer is formed over the planar surface and has a curved outer surface including a first segment positioned vertically over the emitter and configured to internally reflect the emitted beam of light toward the reflective layer, and a second segment positioned and configured to collimate and transmit the beam reflected from the reflective layer.
US11178389B2 Self-calibrating display device
A system is described for automatically calibrating a display device based at least on information relating to a user of the display device. The system obtains visual acuity information or pupillary information of the user. The system then determines a value of a display parameter of the display device based at least on the visual acuity information or the pupillary information of the user. The determined value is then provided for application to the display device. Other information may also be used in determining the value of the display parameter, such as user input, demographic information of the user, display device specific information, user environment information, displayed content information, or application context information. An algorithm may be used that determines the display parameter based on such information. The algorithm may comprise a model obtained through machine learning.
US11178388B2 3D display system for camera monitoring system
A system in a vehicle for generating and displaying three-dimensional images may comprise a first imager having a first field of view; a second imager having a second field of view at least partially overlapping the first field of view, the second imager disposed a distance from first imager; and an image signal processor in communication with the first and second imagers; wherein the image signal processor is configured to generate an image having a three-dimensional appearance from the data from the first and second imagers. The first and second imagers may be disposed on a vehicle. The first and second imagers may be configured to capture a scene; and the scene may be exterior to the vehicle.
US11178378B2 Signaling of spatial resolution of depth views in multiview coding file format
Techniques for encapsulating video streams containing multiple coded views in a media file are described herein. In one example, a method includes parsing a track of multiview video data, wherein the track includes at least one depth view. The method further includes parsing information to determine a spatial resolution associated with the depth view, wherein decoding the spatial resolution does not require parsing of a sequence parameter set of the depth view. Another example method includes composing a track of multiview video data, wherein the track includes the one or more views. The example method further includes composing information to indicate a spatial resolution associated with the depth view, wherein decoding the spatial resolution does not require parsing of a sequence parameter set of the depth view.
US11178376B1 Metering for display modes in artificial reality
Aspects of the present disclosure are directed to setting a display mode for a virtual object based on a display mode timer that is controlled by context factors. An artificial reality system can associate one or more virtual objects with a corresponding display mode timer. Various ranges on the display mode timer can be mapped to different display modes that the virtual object can assume. The display mode timer can be adjusted to add time based on a determination of a user focusing on the virtual object or other context factors. Display mode timers can also have rules for setting other display mode timer properties, such as how quickly the display mode timer runs down, that are evaluated based on context factors.
US11178373B2 Adaptive resolution of point cloud and viewpoint prediction for video streaming in computing environments
A mechanism is described for facilitating adaptive resolution and viewpoint-prediction for immersive media in computing environments. An apparatus of embodiments, as described herein, includes one or more processors to receive viewing positions associated with a user with respect to a display, and analyze relevance of media contents based on the viewing positions, where the media content includes immersive videos of scenes captured by one or more cameras. The one or more processors are further to predict portions of the media contents as relevant portions based on the viewing positions and transmit the relevant portions to be rendered and displayed.
US11178372B1 Image signal processor, image signal processing method and electronic device thereof
An image signal processor is provided. The image signal processor includes a white balancing block which performs white balancing on a raw RGB image of a Bayer pattern received from an image sensor on a kernel basis or in a kernel unit, a green generation block which performs cross-binning on white-balanced G pixel to generate a first green pixel, and adds a high-frequency component to which a preset weight is applied to generate a binned green pixel, a red-blue generation block which generates a U pixel and a V pixel indicating directionality, on the basis of the binned green pixel, a white-balanced R pixel, and a white-balanced B pixel, and merges the binned green pixel to each of the U pixel and the V pixel to generate a binned red pixel and a binned blue pixel and an inverse white balancing block which performs an inverse white balancing on the binned red pixel, the binned green pixel, and the binned blue pixel to output a final binning image.
US11178368B2 Automatic digital parameter adjustment including tone and color correction
Systems and techniques for automatic digital parameter adjustment are described that leverage insights learned from an image set to automatically predict parameter values for an input item of digital visual content. To do so, the automatic digital parameter adjustment techniques described herein captures visual and contextual features of digital visual content to determine balanced visual output in a range of visual scenes and settings. The visual and contextual features of digital visual content are used to train a parameter adjustment model through machine learning techniques that captures feature patterns and interactions. The parameter adjustment model exploits these feature interactions to determine visually pleasing parameter values for an input item of digital visual content. The predicted parameter values are output, allowing further adjustment to the parameter values.
US11178366B2 Projector
A projector of the present disclosure includes a light source section, a projection optical system, a mirror array, and a tilt angle controller. The light source section emits light as source of illumination light. The projection optical system projects an image onto a projection surface using the illumination light. The mirror array device includes a plurality of mirrors. The mirror array varies a tilt angle of each of the mirrors to deflect the illumination light toward the projection optical system, and generates the image from the illumination light. The tilt angle controller performs switching control on the tilt angle of each of the mirrors in a case of deflecting the entering light toward the projection optical system. The switching control is control of switching the tilt angle between a reference tilt angle and one or a plurality of non-reference tilt angles different from the reference tilt angle.
US11178365B1 Projection system for translucent displays and methods of operating thereof
A system is provided. The system includes a translucent display positioned such that a first face is a display face and that a second face is a projection face and at least one projector configured to project an image on the second face of the translucent display. The image is displayed on the first face. The system also includes at least one sensor configured to transmit a signal when triggered and a projector controller in communication with the at least one projector and the at least one sensor. The projector controller is programmed to receive a signal from the at least one sensor and instruct the at least one projector to project at least one image on the translucent display in response to the signal from the at least one sensor.
US11178358B2 Method and apparatus for generating video file, and storage medium
A method and a device for generating a composite video, and a storage medium are disclosed in embodiments of this disclosure. The method includes: obtaining pre-recorded source video frames; determining a first set and a second set of video rendering parameters; displaying the pre-recorded source video frames with a first image size at a first image position on a display screen of the terminal device according to the first set of video rendering parameters; capturing real-time video frames using an image acquisition component of the terminal device in response to content of and in synchronization with the displayed pre-recorded source video frames; displaying the real-time video frames with a second image size at a second image position on the display screen of the terminal device according to the second set of video rendering parameters; and generating a composite video with each video frame comprising a first corresponding frame from the pre-recorded source video frames and a second corresponding frame from the real-time video frames based on the first image size, the second image size, the first image position, and the second image position.
US11178356B2 Media message creation with automatic titling
In some implementations, a user device can be configured to create media messages with automatic titling. For example, a user can create a media messaging project that includes multiple video clips. The video clips can be generated based on video data and/or audio data captured by the user device and/or based on pre-recorded video data and/or audio data obtained from various storage locations. When the user device captures the audio data for a clip, the user device can obtain a speech-to-text transcription of the audio data in near real time and present the transcription data (e.g., text) overlaid on the video data while the video data is being captured or presented by the user device.
US11178354B2 Methods for installing and using television mounting systems
A mounting system capable of mounting objects to support structures. The mounting system includes a wall mount including a display bracket configured to hold the object, a fixed support bracket coupleable to a vertical support structure, and a linkage assembly. The linkage assembly has a low-profile stowed configuration in which the object is held in a raised position close to the support structure. The linkage assembly moves to another configuration to move the object. The object can be held in a lowered position. A biasing mechanism can facilitate convenient movement of the object.
US11178352B2 Imaging system
An imaging system includes a body, a first processing circuit provided at the body, a gimbal carried by the body, an image collection circuit carried by the gimbal, a second processing circuit provided at the gimbal, a third processing circuit provided at the body, and a signal transmission line. One end of the signal transmission line is connected to the second processing circuit, and another end of the signal transmission line is connected to the third processing circuit. The second processing circuit is configured to encode a multi-channel first signal output by the image collection circuit to output a second signal. The third processing circuit is configured to receive the second signal through the signal transmission line, decode the second signal to obtain a decoded second signal, and transmit the decoded second signal to the first processing circuit.
US11178348B2 Thermal imaging for self-driving cars
The present disclosure relates to systems and methods that utilize machine learning techniques to improve object classification in thermal imaging systems. In an example embodiment, a method is provided. The method includes receiving, at a computing device, one or more infrared images of an environment. The method additionally includes, applying, using the computing device, a trained machine learning system on the one or more infrared images to determine an identified object type in the environment by at least: determining one or more prior thermal maps associated with the environment; using the one or more prior thermal maps and the one or more infrared images, determining a current thermal map associated with the environment; and determining the identified object type based on the current thermal map. The method also includes providing the identified object type using the computing device.
US11178337B2 Image capturing apparatus, method of controlling the same, and non-transitory computer readable storage medium for calculating a depth width for an object area based on depth information
An apparatus having a focusing unit for focusing in relation to an area within an angle of view, detects, from a captured image, an object area in which a specific object is present, calculates a depth width for the object area based on depth information indicating a defocus distance to an object for each portion obtained by dividing the image, and controls a display so as to, if the depth width is greater than or equal to a predetermined value, superimposedly display, on the image, an object detection frame for indicating the object area and an AF frame for indicating an AF location that the focusing unit uses, and, if the depth width is less than a predetermined value, superimposedly display the object detection frame, and not superimposedly display the AF frame.
US11178335B2 Creative camera
The present disclosure generally relates to displaying visual effects in image data. In some examples, visual effects include an avatar displayed on a user's face. In some examples, visual effects include stickers applied to image data. In some examples, visual effects include screen effects. In some examples, visual effects are modified based on depth data in the image data.
US11178333B2 Vibration measurement system, vibration measurement apparatus, vibration measurement method, and computer-readable recording medium
A vibration measurement system comprises an image capturing apparatus, a distance measuring apparatus, a sensor that outputs a signal according to an inclination of the image capturing apparatus relative to the vertical direction, and a vibration measurement apparatus. The vibration measurement apparatus includes calculating an angle formed by the normal of an image capturing surface of the image capturing apparatus and the normal of the measurement target surface that the image capturing apparatus shoots, based on the signal output by the sensor, converting the image obtained that the image capturing apparatus shoots into an image that would be obtained were the normal of the measurement target surface coincident with the normal of the image capturing surface of the image capturing apparatus, using the calculated angle, and measuring vibration of the structure, using the converted image and the measured distance from the image capturing apparatus to the measurement target surface.
US11178330B2 Image stabilizing apparatus, image processing apparatus, and detection method
An image stabilizing apparatus comprises: a shake detector that detects shake; an image stabilizer that corrects the shake by moving a position on the basis of the shake detected by the shake detector; a position detector that detects and outputs the position of the image stabilizer; a determinator that determines an extraction timing at which to extract the position of the image stabilizer on the basis of a timing at which an image sensor which shoots an image is exposed; and an extractor that extracts the position of the image stabilizer, from the output of the position detector, at the extraction timing determined by the determinator.
US11178324B2 Focusing method and device, electronic device and computer-readable storage medium
A focusing method includes: acquiring an image of a current frame; and performing auto focusing by using a target area in an image of a previous frame as a focusing area in the image of the current frame, the image of the previous frame is an image of a preceding frame adjacent to the current frame, the target area in the image of the previous frame is an area where a target subject is located, the target subject is obtained by inputting the image of the previous frame into a subject detection model and performing subject detection, and the subject detection model is a model trained in advance based on at least visible light images, center weight maps and corresponding labeled subjects for a same scene.
US11178322B2 Camera module and automobile
An embodiment of the present invention relates to a camera module and an automobile comprising the same, the camera module comprising: a first housing in which a lens module is disposed; a second housing including a base and a support portion extending upward from the base; and a substrate on which an image sensor is mounted and which is disposed on the support portion, wherein the substrate and the support portion are disposed in the first housing.
US11178316B2 Monitoring camera having a compound window
A monitoring camera having a compound window arranged in a frame of a camera housing, and a camera head arranged inside the housing, is disclosed. The compound window has an inner transparent plate, closest to the camera head, and an outer protective window, arranged in a plane parallel to the transparent plate, on an outside thereof, and the compound window further comprises a heating arrangement arranged and configured to supply thermal energy to peripheral areas of the transparent plate. The transparent plate has a greater heat conductivity than the protective window and is arranged in close proximity to the protective window, so thermal energy will be transferred from the heating arrangement to the transparent plate and then efficiently transferred to the protective window.
US11178315B2 Scope phone mount
An apparatus is disclosed. The apparatus may include a housing detachably coupleable to an end of a sighting device. The housing may include a channel protruding from a side of the housing. The apparatus may include a one-way mirror disposed inside the housing. The one-way mirror may be positioned to allow an image from the sighting device to pass through the one-way mirror and reflect the image from the sighting device through the channel. The apparatus may include a mounting plate coupled to the housing. The mounting plate may include one or more adjustment bars that may be engageable with a visual recording device.
US11178306B2 Printing apparatus, system, control method of printing apparatus, and storage medium
In a case where an IP address is not available in a printing apparatus, the printing apparatus generates a Bluetooth low energy packet including a specific value as the IP address, and transmits the generated Bluetooth low energy packet to a mobile terminal. Upon receiving of the Bluetooth low energy packet, a mobile terminal displays a message corresponding to the specific value.
US11178305B2 On net faxing
Distribution of electronic documents is described, including receiving an electronic document to be distributed, identifying whether a destination identifier is associated with a destination account among a known group of customer accounts, routing the electronic document, and calculating a fee associated with delivery of the electronic document based on whether the destination account is among the known group of customers and a set of billing rules. The set of billing rules may specify a discounted fee for routing an electronic document to each of a known group of customer accounts. In other aspects, the set of billing rules may specify a discounted fee for routing an electronic document to a first group of the known group of customer accounts and specify a standard fee for a second group of the known group of customer accounts.
US11178302B2 Image forming apparatus and image reading device that stops conveyance of a sheet based on a change amount of skew angle
An image forming apparatus includes a first detector, a second detector, and a determination section. The first detect detects a first skew angle of a sheet. The second detector is located downstream of the first detector and detects a second skew angle of the sheet. The determination section determines whether or not to stop conveyance of the sheet based on the first skew angle and the second skew angle.
US11178297B2 Display control device, display control system and image forming apparatus
A display control device includes: a management unit that manages a display time period when displaying each of a plurality of messages on a display device for each user; a setting unit that sets the display time period on the basis of an operation of a user; and a control unit that controls display of the message on the basis of the display time period managed by the management unit.
US11178295B2 Maintenance support system and maintenance support method
A maintenance support system includes a network interface, a memory, and a processor configured to, upon receipt of first information indicating a status of a first apparatus via the network interface, store the first information in the memory, upon receipt of second information indicating a status of a second apparatus via the network interface, store the second information in the memory, and determine a priority of on-site maintenance between the first and second apparatuses based on the first and second information stored in the memory.
US11178290B2 Image forming apparatus and method adjusting image forming positions on first and second sides of recording medium depending on adhesion amounts based on reading test charts
An image forming apparatus includes an image forming unit to perform an image forming process of forming a plurality of test charts having different adhesion amounts of an image forming material on a recording medium. The image forming process includes a transfer process of transferring the image forming material to image forming positions on the recording medium. The image forming apparatus further includes an image reading unit, circuitry, and a storage unit. The image reading unit reads each of the plurality of test charts. The circuitry calculates adjustment values for adjusting images formed at the image forming positions on a first side and a second side of the recording medium depending on adhesion amounts of the image forming material on the first side and the second side based on a reading result of the plurality of test charts by the image reading unit. The storage unit stores the adjustment values.
US11178289B2 Toll-free telecommunications and data management platform
A Toll-Free Management Platform (TFMP) includes methods and systems for number administration, customer administration, call management services, texting services and text registry, and a smart services registry. The TFMP may allow users to receive through a web-based interface, an activate request from a user, wherein the request includes at least a customer record template reference and an indication of when to active a toll-free telecommunications number associated with the request. The request may include at least one IP address datum associated with the toll-free telecommunications number. A user interface may allow activating a toll-free number, and users may access the TFMP to create and access existing templates of toll-free call routing templates, and utilize a routing tree engine to create customized call routing trees for the toll-free numbers of interest to the user.
US11178288B1 System and method for providing a network service in a distributed fashion to a mobile device
A mobile virtual network operator is provided. The operator includes a server that is communicatively coupled to a mobile device. The mobile device includes application software provided by the virtual network operator for allowing phone call and data connectivity.
US11178287B1 Use of a single channel for voice communications and multiple channels for non-voice communications
Disclosed are methods and systems to facilitate use of a single channel for voice communications and of multiple channels for non-voice communications. In particular, a transmitting node may determine that data is to be communicated from the transmitting node to a receiving node and may then make a determination of whether the data is to be communicated as part of a voice communication. If the determination is that the data is not to be communicated as part of a voice communication, then the transmitting node may responsively communicate the data to the receiving node over two or more channels. Whereas, if the determination is that the data is to be communicated as part of a voice communication, then the transmitting node may responsively communicate the data to the receiving node over just one channel rather than communicating the data to the receiving node over two or more channels.
US11178285B2 System and method for an optimized, self-learning and self-organizing contact center
A system and method for an optimized, self-learning and self-organizing contact center has been developed. This system and method uses principles and tools of information theory, including the latent Dirichlet allocation which reduces information to specific predetermined topics and a distribution of topic related words to infer its hidden, generative underpinnings so to self-organize a contact center, infer its desired electronic versus human make up, and optimally route all customer requests to an electronic resource or a specific human agent best suited to respond to the request for maximal business value per interaction.
US11178280B2 Input during conversational session
One embodiment provides a method, including: engaging, at an information handing device, in a conversational session with a user; receiving an input from a source other than the user during the conversational session; and performing, at the information handling device, an action related to the conversational input in response to the received input. Other aspects are described and claimed.
US11178277B2 Circuit ID lookup
A new way to make the caller ID service provide more information about the caller more than the caller's number and name. These information could be like a Criminal Background Lookup of the caller, Social Network Lookup, Customer Relationship Management (CRM) Lookup, Address Lookup, Previous Calls and Note Lookup and Credit Check Lookup. In the current caller ID, the provider switch will pass the call to the called phone without waiting the compilation of the caller ID lookup, a method continues to work while the call is in progress checking for additional information requested.
US11178270B2 Dynamic secondary phone book
A mobile communication device is equipped with a dynamic local directory into which contact information from a local telephone directory may be downloaded on a temporary basis. The local telephone directory resides on a local communication network and may be accessed by the mobile communication device. The downloaded data is purged automatically after preset limits are reached. The dynamic local telephone directory on the mobile communication device is continuously changing depending on the location.
US11178263B2 System and a method for controlling timing of processing network data
Embodiments of the invention relate to methods and systems for processing a network data block. One or more embodiments of the invention include receiving network data at a receiver/transmitter comprising a serializer/deserializer (SERDES). One or more embodiments of the invention include identifying, by the PHY, a start of a data block within the network data. One or more embodiments of the invention include performing, by the SERDES and after identifying the start of the data block, a SERDES action to obtain a SERDES data block. In one or more embodiments of the invention, the SERDES action is based on an encoding scheme used in transmission of the network data. One or more embodiments of the invention include also includes transmitting the SERDES data block towards a receiver.
US11178260B2 Methods and apparatus for dynamic packet pool configuration in networking stack infrastructures
Methods and apparatus for dynamic packet pool configuration in networking stack architectures. Unlike prior art monolithic memory allocations, embodiments of the present disclosure enable packet pools associated with non-kernel space applications to dynamically allocate additional memory allocations to a given non-kernel space application, or conversely, de-allocate memory allocations to a given non-kernel space application. Variants also disclose the splitting up of a memory allocation into device accessible portions and kernel accessible portions. Other variants disclose sizing certain segment allocations so as to be a multiple of a physical address page size. Such a variant enables a single input/output (I/O) bus address lookup for the given segment so as to minimize look up costs associated with an I/O lookup for the given segment.
US11178256B2 Business service providing system, business service recovery method, and business service recovery program
A business service providing system 1 according to an example embodiment includes a server 200 that provides a business service, a client 300 that uses the business service, and a monitoring apparatus 100 that monitors a state of the business service in the server 200 and the client 300. The monitoring apparatus 100 includes a monitoring information acquisition unit 110 that acquires monitoring information indicating the state of the business service in the server 200 and the client 300, a response policy determination unit 120 that determines a response policy for recovery of the business service based on the monitoring information in the server 200 and the client 300, and a recovery process request unit 130 that requests the server 200 or the client 300 to perform a recovery process based on the response policy.
US11178255B1 Systems and methods of address book management
A server comprising a processor circuit and a database may receive address book data comprising information associated with at least one contact from a communication device via a network. The processor circuit may identify information associated with the at least one contact in the database and/or from public data. The processor circuit may add the identified information to the address book data. The processor circuit may store the address book data with the added information in the database and send the added information with or without the address book data to the communication device via the network.
US11178248B2 Intent-based calendar updating via digital personal assistant
Techniques are described herein that are capable of performing intent-based scheduling via a digital personal assistant. For instance, an intent of user(s) to perform an action (a.k.a. activity) may be used to schedule time (e.g., on a calendar of at least one of the user(s)) in which the action is to be performed. Examples of performing an action include but are not limited to having a meeting, working on a project, participating in a social event, exercising, and reading.
US11178247B2 Digital twin-based edge server switching decision
The disclosure includes embodiments that provide a digital twin-based edge server switching decision. A method includes causing a sensor set of a connected vehicle to determine a current driving context of the connected vehicle. The method includes comparing the current driving context to a set of digital twin data to determine a predicted latency for using offboard computing resources of an edge server. The method includes determining that the predicted latency for using the offboard computing resources satisfies a threshold for the predicted latency. The method includes executing a switching decision that includes deciding to use the offboard computing resources of the edge server based on the comparing of the current driving context to the set of digital twin data and the determining that the threshold for the predicted latency is satisfied.
US11178242B2 Method and system for obtaining user's visit information, device and computer storage medium
The present disclosure provides a method and system for obtaining a user's visit information, a device and a computer storage medium, wherein the method comprises: a monitoring device which is arranged within a coverage range of a wireless router monitors a wifi broadcast message; cracking the monitored wifi broadcast message to obtain a user terminal equipment identification and/or a user identification contained in the message; and uploading the user terminal equipment identification and/or the user identification to a service-end device, so that the service-end device stores a correspondence relationship between the user identification and address information of the monitoring device. In this manner, the user's visit information can be collected without the user's extra behaviors, and dependence on the user behaviors is weakened.
US11178238B2 Computer-implemented system and method for distributed activity detection
A computer-implemented system and method for distributed activity detection is provided. Contextual data collected for a user performing an activity is processed on a mobile computing device. The mobile computing device extracts features from the contextual data and compares the features with a set of models. Each model represents an activity. A confidence score is assigned to each model based on the comparison with the features and the mobile computing device transmits the features to a server when the confidence scores for the models are low. The server trains a new model using the features and sends the new model to the mobile computing device.
US11178237B2 Geolocation-based activation and de-activation of hardware and software functionalities in the cloud
A method alters a computer resource while in a particular geolocation. One or more processors detect that a geolocation of a computer resource has changed from an initial geolocation to a new geolocation, where the computer resource is a virtual machine (VM). In response to detecting that the geolocation of the VM has changed from the initial geolocation to the new geolocation, the processor(s) reduce a functionality of the VM by reducing a quantity of processors and storage space available to the VM at the new geolocation as compared to the initial geolocation.
US11178231B2 Information processing apparatus and non-transitory computer readable medium
An information processing apparatus includes a storage controller and a display controller. The storage controller performs control when storing of data is accepted from an unregistered user yet to be registered in advance. The control is performed to store the accepted data in association with identification information that enables the unregistered user to be discriminated from a different unregistered user. The display controller performs control when the unregistered user performs access to the information processing apparatus. The control is performed to switch data to be displayed to the unregistered user performing the access. The data is switched by using the identification information.
US11178230B1 Dynamically managing keepalive status for client-server connections
Described herein are systems, methods, and software to dynamically set a keepalive status for a client-server connection. In one implementation, a load balancer, providing load balancing operations for a plurality of servers, identifies a first FIN packet from a client to a server of the plurality of servers and sets a Transmission Control Protocol (TCP) keepalive status in association the connection between the client and the load balancer. The proxy further identifies a second FIN packet from the server to the client and removes the TCP keepalive status in association with the connection in response to the second FIN packet.
US11178228B2 Systems, apparatus, and methods for detecting an environmental anomaly and initiating an enhanced automatic response using elements of a wireless node network and using sensor data from ID nodes associated with packages and environmental threshold conditions per package
An improved system detects an environmental anomaly in a shipping container and initiates a mediation response through a generated layered alert notification. The system includes sensor-based ID nodes associated with packages within the container, and a command node mounted to the container communicating with the ID nodes and an external transceiver on a vehicle transporting the container. The command node is programmed to detect sensor data from the ID nodes; compare the sensor data to package environmental thresholds in context data related to each ID node; detect the environmental anomaly when the comparison indicates an environmental condition for at least one package exceeds its environmental threshold; responsively generate a layered alert notification identifying a mediation recipient and mediation action, and establishing a mediation response priority based upon the comparison; and transmit the layered alert notification to the transceiver unit to initiate a mediation response related to the mediation action.
US11178227B1 Efficient resynchronization for stale components of geographically distributed computing systems
Described herein are methods and systems for the efficient resyncing of stale components of a distributed-computing system. One method includes determining that a first base component at a remote site will go offline. After determining that the first base component at the remote site will go offline, a first delta component is created at the remote site. While the first base component at the remote site is offline, data corresponding to the offline component is collected at the first delta component at the remote site. After collecting data at the first delta component, the collected data is sent to a local site. The method includes determining that the first base component has come back online. In response to determining that the first base component has come back online, the collected data is sent from the first delta component to the first base component via an intra-site network.
US11178225B2 Data files synchronization with cloud storage service
A method for synchronizing data files between a client device and a cloud storage service (CSS). The method comprises marking each data file that has been changed since a last synchronization between the client device and the CSS; dividing each marked data file into a plurality of blocks; assigning each block with a unique code; determining, based on the assigned the unique codes, a set of modified blocks from among the plurality of blocks; and synchronizing the set of modified blocks such that the CSS and the client device include a consistent version of each data file that has changed.
US11178221B2 Methods, apparatuses and systems for cloud-based disaster recovery
Methods, apparatuses and systems for cloud-based disaster recovery are provided. The method, for example, includes configuring, at a cloud-based computing platform, a declaration including servers associated with a plurality of selected workloads configured based on information provided by a user for corresponding servers used at a client machine, the declaration including generated steps listing the servers, and restoring the servers for each of the generated steps of the declaration upon receiving, from the client machine, a failure indication associated with the servers.
US11178220B2 Method and system for transmitting a data resource acquisition request
A method for transmitting a data resource acquisition request includes: when transmitting an acquisition request for a first data resource, obtaining, by a first node, locally-stored traffic scheduling policies of a plurality of secondary nodes associated with a resource server to which the first data resource belongs, wherein the traffic scheduling policies are generated by each of the plurality of secondary nodes based on a local traffic load status; selecting, by the first node, a target node among the plurality of secondary nodes based on the traffic scheduling policies of the plurality of secondary nodes; and transmitting, by the first node, the acquisition request for the first data resource to the target node.
US11178219B2 Resource assurance for vehicle cloudification
The disclosure includes embodiments for ensuring a satisfaction of a resource demand in a vehicular micro cloud. In some embodiments, a method for a connected vehicle that is a member of the vehicular micro cloud that includes multiple connected vehicles that share their computing resources and computing services with one another, includes: modifying an operation of a communication unit of the connected vehicle to receive a notification message from a communication server; determining that an allocation function included in the notification message meets an expectation of the connected vehicle, where the allocation function is configured to satisfy the resource demand of the vehicular micro cloud while limiting a total allocation distributed by the communication server; and responsive to the allocation function meeting the expectation, provisioning a resource requested by the notification message to the vehicular micro cloud for use by any member of the vehicular micro cloud.
US11178213B2 Automated configuration based deployment of stream processing pipeline
Techniques for generating a stream processing pipeline are provided. In one embodiment, a method includes receiving a configuration file from a data service. The configuration file represents a pipeline configuration of the stream processing pipeline, and the pipeline configuration includes representations of a plurality of different types of pipeline stages configured based on a respective customization of an entity. The method further includes generating a plurality of pipeline stages in accordance with the pipeline configuration of the stream processing pipeline; collecting, at one or more pipeline stages of a first-type in the stream processing pipeline, data items from one or more data sources; processing the collected data items at one or more pipeline stages of a second-type in the stream processing pipeline; and transmitting, at one or more pipeline stages of a third-type in the stream processing pipeline, the processed data items to the data service.
US11178206B2 Method for managing progressive and adaptive streaming of digital content by a multimedia stream player terminal connected to a communication network, and associated management device, multimedia stream player terminal and computer program
A method for managing progressive and adaptive streaming of digital content within a multimedia stream player terminal connected to a communication network, the digital content being associated with a description file of the digital content, which includes a list of time segments of the content each associated with several encoding bit rates or qualities of the content. The method implements: obtaining a connection speed to the communication network determined from a size and a streaming time of at least one already streamed time segment, and selecting, for at least one subsequent time segment to be streamed, a maximum quality of the content, depending on the connection speed and a ratio, called a gain factor, between an actual encoding bit rate of the already streamed time segment and the quality associated with the time segment in the description file.
US11178205B2 System and method for providing live streaming of video data in a low-bandwidth network
The present disclosure provides a system and method for providing live streaming of video data. The system includes: a storage unit to store a plurality of waiting to transmit a set of multimedia data signals from one I-frame to next I-frame; an index assignment unit to assign an index number to each multimedia data signal to be transmitted; a latency calculating unit to calculate latency count in transmission upon transmission of the set of multimedia data signals such that a predefined condition is checked, by a conditioning unit; a transmitting unit adapted to transmit the set of multimedia data signals, I-frames, inter-coded frames (P-frames) based on calculated latency count; and an elimination unit configured to, when the latency count is equal to the predefined condition, eliminate at least same number of un-transmitted P-frames prior to an immediate next I-frame waiting to be transmitted in the storage unit.
US11178199B2 Information delivery apparatus, non-transitory computer-readable storage medium, information delivery system, and communication terminal
Provided is an information delivery apparatus for distributing information to a plurality of communication terminals, the information delivery apparatus including: a terminal-information memory unit for storing terminal information of the plurality of communication terminals serving as information delivery destinations; an address-type-selection-information memory unit for storing address type selection information, which is for selecting an address type, for one network segment or each of a plurality of network segments; a transmission-address determination unit for determining address information to be applied based on the terminal information in the terminal-information memory unit and the address type selection information in the address-type-selection-information memory unit; and a transmission unit for transmitting the information by using the address information determined by the transmission-address determination unit.
US11178194B2 Packet data unit session establishment method and network entity performing the same
A packet data unit session establishment method and network entity performing the same is disclosed. User equipment (UE) may establish registration with the core network through a first access network when the UE is registered in a core network through a second access network belonging to the network and a first PDU session is established through the second access network. The UE may transmit a non-access stratum (NAS) message including a PDU session identifier (ID) that is the same as an ID of the first PDU session to an access and mobility management function (AMF).
US11178193B2 Determining feature unavailability
Method and apparatus for determining feature unavailability are disclosed. In the method and apparatus a user device attempts to communicate with a second server over a second network path whereby the communication may be blocked. The user device receives data from a first server over a first network path whereby the data indicates that communication using the second network path may be blocked.
US11178191B2 Method and apparatus for optimizing resources in IP multimedia subsystem (IMS) network
Embodiments herein disclose methods and systems for optimizing resources in an IP multimedia subsystem (IMS) network, wherein a method includes receiving capabilities of contacts present in the contact book in response to a request sent by an OPTIONS applications server (AS) to the contacts present in the contact book. Further, the method includes aggregating the capabilities of the contacts present in the contact book. Further, the method includes transmitting the aggregated capabilities of the contacts present in the contact book to the UE through a PNT server. Further, the embodiments include fetching updated capabilities of user equipment (UE) by the presence AS through the PNT server. Further, the embodiments include receiving a metadata in response to the received service request using push notifications through the PNT server. Further, the embodiments include registering the UE with the IMS network, if the IMS client is capable of in-call service.
US11178189B1 Managing network connections based on their endpoints
The disclosure relates generally to methods, systems, and apparatuses for managing network connections. A system for managing network connections includes a storage component, a decoding component, a rule manager component, and a notification component. The storage component is configured to store a list of expected connections for a plurality of networked machines, wherein each connection in the list of expected connections defines a start point and an end point for the connection. The decoding component is configured to decode messages from the plurality of networked machines indicating one or more connections for a corresponding machine. The rule manager component is configured to identify an unexpected presence or absence of a connection on at least one of the plurality of network machines based on the list of expected connections. The notification component is configured to provide a notification or indication of the unexpected presence or absence.
US11178185B2 Extending management control to IoT devices
A technique uses a managed computing device to extend management control by an organization to IoT (Internet of Things) devices in a local environment of the computing device. The computing device discovers any local IoT devices and participates in a communication with a server to bring one or more of the IoT devices under management control. In some examples, extending management control involves enrolling selected IoT devices into a management framework of the organization and directing communications between the server and the respective IoT devices through the managed device, which provides a point-of-presence for administering management of the selected IoT devices in the local environment.
US11178184B2 Connecting a cloud network to the internet
This relates to connecting a network of logical broadcast domains to the Internet. In an embodiment, selected signal packets are transmitted between two logical broadcast domains via a tunnel server. Outbound signal packets are communicated to the Internet via network address translation as to the outbound signal packets which are different than the selected signal packets.
US11178183B2 Comparing network security specifications for a network to implement a network security policy for the network
A system compares two network security specifications expected to implement the same network security policy for a network and identifies possible discrepancies between them. The system generates a representation of relations between subnetworks of the network for each network security specification. The representation efficiently stores permitted connections between subnetworks. The system compares the representations corresponding to the two network security specifications to identify discrepancies across the two network security specifications. If discrepancies are identified across the two network security specifications the system generating a report identifying the discrepancies.
US11178181B2 System and method for managing security-relevant information in a computer network
System and method for managing security-relevant information in a computer network uses a security information plane (SIP) manager to which different types of security-relevant data are uploaded from components in the computer network and from which networkwide aggregated security information produced from the security-relevant data is download to a global security controller. The downloaded networkwide aggregated security information is used by the global security controller to control security applications running in the computer network.
US11178180B2 Risk analysis and access activity categorization across multiple data structures for use in network security mechanisms
Methods, apparatus, and processor-readable storage media for risk analysis and access activity categorization across data structures for use in network security mechanisms are provided herein. An example computer-implemented method includes analyzing data, derived from a first set of data structures within a network, pertaining to items of access activity within the network; categorizing, based at least in part on the data analysis, the access activity into multiple review analysis categories; processing, based at least in part on the categorization, the analyzed data into a second set of multiple data structures corresponding to the review analysis categories; generating a visualization of the access activity categorized into the review analysis categories, wherein the visualization comprises displayed access to the second set of multiple data structures; outputting the generated visualization to a user via a GUI; and facilitating, based on user inputs via the GUI, access certification actions within the network.
US11178179B2 Synthetic identity signal network
A synthetic identity network for detecting synthetic identities may receive a first request for credit including one or more user attributes, compare the one or more user attributes to one or more stored user identities, create a new user identity, flag the new user identity as a potentially synthetic identity based on comparing the one or more user attributes to the one or more stored user identities, receive a second request for credit including or more second user attributes, compare the one or more second user attributes to the one or more user attributes associated with the potentially synthetic identity, prepare a notice including the potentially synthetic identity and a credit request identifier, and transmit the notice to one or more servers.
US11178176B2 Methods and systems for detection of man-in-the-middle attacks for SCADA communication networks and applications of same
A system for detecting MITM for SCADA communication networks includes secure substation-substation communication links for providing secure and reliable paths to exchange OT data between substations for OT data consistency check; a SIB in each substation for sampling CT and PT measurements to calculate voltage magnitude and phase angle thereof; a S&C server in each substation coupled to the SIB for receiving the voltage magnitude and phase angle from the SIB and obtaining a packet carrying active power flow in transmission lines between two substations and a time stamp; an IDS server placed in a SCADA center for collecting the packet of each substation sent by the S&C server; analyzing the received packet from every adjacent substation; inspecting the payload of the received packet; and triggering an intrusion alarm to a SCADA operator when the power flow is not the same as the payload of the packets.
US11178174B2 Detecting man in the middle attacks on a local area network
Apparatuses, methods, systems, and program products are disclosed for detecting man-in-the-middle attacks on a local area network. A method includes checking a first set of network settings information associated with a network router. A method includes requesting a second set of network settings information corresponding to the first set of network settings information. A method includes detecting a man-in-the-middle attacker on the network in response to at least a portion of the second set of network settings information not matching the first set of network settings information. A method includes triggering a countermeasure action related to the man-in-the-middle attacker.
US11178169B2 Predicting online electronic attacks based on other attacks
An indication is received that a first online platform has undergone/is undergoing a first electronic attack made by one or more actors engaged in online malicious actions with the first online platform. Responsive to the indication of the first electronic attack, one or more vulnerability characteristics of the first online platform are determined, where the vulnerability characteristics are associated with the first electronic attack. A plurality of other online platforms are analyzed to identify a second online platform that shares at least one of the vulnerability characteristics with the first online platform. Based on the determining and/or the analyzing, the second online platform is predicted to be a potential target for a second electronic attack having an attack vector in common with the first electronic attack that corresponds to the shared vulnerability characteristics. An action is performed to mitigate potential damage of the second electronic attack.
US11178168B1 Self-learning cybersecurity threat detection system, method, and computer program for multi-domain data
The present disclosure describes a self-learning system, method, and computer program for detecting cybersecurity threats in a computer network based on anomalous user behavior and multi-domain data. A computer system tracks user behavior during a user session across multiple data domains. For each domain observed in a user session, a domain risk is calculated. The user's session risk is then calculated as the weighted sum of the domain risks. A domain risk is based on individual event-level risk probabilities and a session-level risk probability from the domain. The individual event-level risk probabilities and a session-level risk probability for a domain are derived from user events of the domain during the session and are based on event-feature indicators and session-feature indicators for the domain.
US11178166B2 Information leakage-aware computer aided cyber-physical manufacturing
A methodology as described herein allows cyber-domain tools such as computer aided-manufacturing (CAM) to be aware of the existing information leakage. Then, either machine process or product design parameters in the cyber-domain are changed to minimize the information leakage. This methodology aids the existing cyber-domain and physical-domain security solution by utilizing the cross-domain relationship.
US11178156B2 Methods and systems for authenticating a reported geolocation of a mobile device
An exemplary geolocation authentication system receives user input representative of customized authentication settings that designate a location corroboration factor from a plurality of location corroboration factors that correspond to independent ways of determining geolocations of mobile devices. The system receives, from a mobile device located at a true geolocation, a reported geolocation of the mobile device. Then, in response to the receiving of the reported geolocation, the system accesses a datapoint that characterizes a correlation between the reported geolocation of the mobile device and the true geolocation of the mobile device. The datapoint characterizes the correlation based on the location corroboration factor designated by the customized authentication settings. The system further determines, based on the datapoint, a custom confidence metric representative of a likelihood that the reported geolocation is the true geolocation. Corresponding methods and systems are also disclosed.
US11178154B1 Developing least-privilege permission sets based on global optimization
Disclosed embodiments relate to iteratively developing least-privilege profiles for network entities. Operations may include accessing a set of permissions associated with a network entity; obtaining a set of permission vectors for the network entity; evaluating each permission within the set of permission vectors, the evaluation being based on at least: whether each permission within the set of permission vectors provides sufficient authorization privileges for the network entity to perform an action, and a number of permissions in the set of permission vectors; selecting a group of the set of permission vectors; creating a new set of permission vectors for the network entity; iterating the evaluation for the new set of permission vectors; determining, following at least one instance of the iteration, whether an iteration termination condition has been met; and terminating the iteration based on the iteration termination condition being met.
US11178151B2 Decentralized database identity management system
An example operation may include one or more of receiving, by a blockchain node or peer of a blockchain network, attribute data for a user profile, creating blockchain transactions to store attribute hashes and metadata to a shared ledger, receiving a user profile query from an identity consumer, creating blockchain transactions to retrieve attribute hashes and metadata corresponding to the query, reconstructing the user profile from the metadata, responding to the query by providing attribute data to the identity consumer, and creating and storing hashes of the attribute data and metadata to the shared ledger.
US11178150B1 Methods for enforcing access control list based on managed application and devices thereof
Methods, non-transitory computer readable media, and access policy manager apparatus that assists with enforcing an access control list based on one or more managed applications includes receiving a request to access a web application from an enrolled mobile device. An access control for the received request is identified based on data associated with the enrolled mobile device and a user using the enrolled mobile device. The identified access control list is enforced on the enrolled mobile device to determine when to provide access to the requested web application. Access to the requested web application is provided to the enrolled mobile device when enforced access control list comprises data to allow the enrolled mobile device access to the requested web application.
US11178146B2 Systems and methods for online third-party authentication of credentials
Systems and methods are disclosed for online authentication of online attributes. One method includes receiving an authentication request from a rely party, the authentication request including identity information to be authenticated and credential information to be authenticated; determining whether a user account is associated with the received identity information by accessing an internal database; accessing user data of the user account determined to be associated with received identity information; determining authentication data to obtained from a user associated with the user account based on the user data of the user account and the credential information to be authenticated; transmitting a request for authentication data; receiving authentication data associated with the user; transmitting authentication data associated with the user; and receiving an authentication result from the verification data source server for the user associated with authentication data.
US11178144B2 Apparatus and method by which user device in home network system transmits home-device-related information
An apparatus and method by which a user device in a home network system transmits home-device-related information is provided. The method includes acquiring, from at least one home device, a unique user identifier (UUID) for a related home device, a peer ID (peer ID) which is managed by a connectivity server for managing a connection between the user device and the related home device and that identifies the related home device, a peer group ID for identifying a group of home devices that have registered with a service server for managing device information on the related home device, and a device token containing key information for authenticating the connection to the related home device, selecting a specific user device which will share the UUID, peerID, peer group ID and device token from among neighboring devices, and transferring the UUID, peerID, peer group ID, and device token to the specific user device on the basis of a predetermined sharing method.
US11178140B2 Method, device and system for authentication in accordance with SIM card
A method, device and system for authentication in accordance with a SIM card is provided in the present disclosure. The method for authentication in accordance with the SIM card includes the following steps. First, the SIM card receives a feature code of a biometric feature information. Afterwards, the SIM card compares the feature code of the biometric feature information and a feature code stored in the SIM card for obtaining a comparison result. Afterwards, the SIM card returns the comparison result. Compared to existing technology, the above technical solution is configured to store the feature code in the SIM card and use it for authentication. The noncrackable SIM card protects a security of biometric feature information. After replacing the device, just plug the SIM card into the new device to complete the authentication and initialization of the new device. Therefore, the above technical solution avoids the initial setup of the new device and make it easy to use.
US11178135B2 Partial pattern recognition in a stream of symbols
Systems and methods may be used for providing more secure authentication attempts by implementing authentication systems with credentials that include interspersed noise symbols in positions selected, for example by a user. These systems and methods secure against eavesdroppers such as shoulder-surfers or man-in-the middle attacks as it is difficult for an eavesdropper to separate the noise symbols from legitimate credential symbols. Some systems and methods may use a subset of a credential with the interspersed noise symbols.
US11178134B2 Method and apparatus for allocating device identifiers
A method and an apparatus for allocating device identifiers is provided. The method includes receiving a first request, the first request comprising terminal device information and a user authentication password; the user authentication password being generated according to a second request sent before the first request; and generating a first device identifier corresponding to the terminal device using the user authentication password. The method and the apparatus can prevent the device identity from being falsified and improve security.
US11178129B2 Monitoring access of a shared material via unique links
A system and corresponding method are provided for monitoring access of shared material stored in a system storage. The system includes a memory containing machine readable medium storing machine executable code and one or more processors coupled to the memory. The one or more processors are configurable to execute the machine executable code to cause the one or more processors to: receive an instruction to generate a plurality of messages, each message for providing a respective recipient with access to the shared material; for each message, generate a respective link to the shared material, wherein the respective link is unique and associated with the particular message; and monitor access to the shared material by each message recipient via the respective unique link.
US11178124B2 Secure pairing of a processor and a secure element of an electronic device
Systems, methods, and computer-readable media for securely pairing a secure element and a processor of an electronic device are provided. In one example embodiment, a method, at an electronic device, includes, inter alia, deriving a key using a processor of the electronic device, sharing the derived key with a commercial entity subsystem, and receiving the shared key from the commercial entity subsystem at a secure element of the electronic device, where the received key may be leveraged for enabling a secure communication channel between the processor and the secure element. Additional embodiments are also provided.
US11178123B2 Video communication data security
A processing system including at least one processor may obtain a portion of a video stream, identify a first region of the portion of the video stream that contains a first item that is designated for obscuring, replace the first item in the first region of the portion of the video stream with an obscured version of the first item, and encrypt the portion of the video stream with a first encryption key. The processing system may further generate an executable package comprising the first item in the first region of the portion of the video, where the executable package is encrypted with a second encryption key, and transmit the portion of the video stream that is encrypted with the first encryption key and the executable package that is encrypted with the second encryption key to a recipient device.
US11178115B2 System and methods for point to point encryption and tokenization
Mechanisms for providing point to point encryption and tokenization enabling decryption, tokenization and storage of sensitive encrypted data on one system are discussed.
US11178110B2 Controlling compliance remediations
A method provides for controlling compliance remediation that includes performing compliance inspection runs by account nodes for multiple accounts. Inspection results of the inspection runs from each account node are aggregated by an account cognitive policy advisory (CPA) service. The inspection results from each account are aggregated. It is determined whether remediations are required by analyzing the inspection results combined with a current compliance mode of a server. Upon a determination that the current compliance mode of the server is a first mode, the account CPA service determines whether a policy fingerprint has changed. Upon a change to the policy fingerprint, compliance enforcement runs on the account nodes are temporarily suspended.
US11178105B2 Secure enclave-based guest firewall
Techniques for implementing a secure enclave-based guest firewall are provided. In one set of embodiments, a host system can load a policy enforcer for a firewall into a secure enclave of a virtual machine (VM) running on the host system, where the secure enclave corresponds to a region of memory in the VM's guest memory address space that is inaccessible by processes running in other regions of the guest memory address space (including privileged processes that are part of the VM's guest operating system (OS) kernel). The policy enforcer can then, while running within the secure enclave: (1) obtain one or more security policies from a policy manager for the firewall, (2) determine that an event has occurred pertaining to a new or existing network connection between the VM and another machine, and (3) apply the one or more security policies to the network connection.
US11178104B2 Network isolation with cloud networks
Systems and methods are disclosed for a sandbox based network isolation system configured to protect cloud based assets. A host computer system may include a processor and a memory. The host computer system may include a workspace. One or more applications may run in the workspace via a first memory space (e.g., a trusted memory space). The host computer system may include an isolated computing environment. One or more isolated applications may run in the isolated computing environment via a second memory space (e.g., an untrusted memory space). The isolated computing environment may be isolated from the workspace by an internal isolation firewall. The internal isolation firewall may prevent communication between the isolated computing environment and the workspace.
US11178102B2 Method and a system for using relays for network optimization in IP-based communication networks
A method and system for using relays for network optimization in IP-based communication networks. The method includes negotiating a communication session between two peers connected to the Internet via a signaling server, at least one of the two peers having data traffic restrictions and requiring a relayed route to connect with the other peer; identifying, by each peer, a plurality of candidate contact addresses, including IP address, port and protocol, that the peer can send to the other peer, so that the other peer can find a route to connect to that peer; filtering out any candidate contact addresses of the plurality of identified candidate contact addresses that is not a relayed candidate contact address, providing a list of relayed candidate contact addresses; and establishing a connection between the two peers via one relayed candidate contact address of the list of relayed candidate contact addresses using a TURN server.
US11178100B1 Systems and methods for communicating between private networks with conflicting internet protocol (IP) addresses
Systems and methods for facilitating communication between multiple private networks with conflicting IP addresses are provided. The system comprises a virtual computing device configured to allocate blocks of shadow IP addresses to first and second private networks. A first bridge device is connected to the first private network and configured to receive a packet from a first host in the first private network. The packet comprises a destination address corresponding to a second host in the second private network. The first bridge device is configured to route the packet to the virtual computing device if the destination address is in a block of shadow IP addresses. A second bridge device is connected to the second private network and configured to receive the packet from the virtual computing device and translate the destination address to a corresponding native IP address.
US11178098B2 Communication inversion for online communities
Systems and methods for communication inversion for online communities are disclosed. In embodiments, a computer-implemented method comprises: detecting, by a computing device, that an online community has a low vitality; determining, by the computing device and based on the detecting that the online community has a low vitality, a related community is associated with the online community; detecting, by the computing device, a participant communication within the related community; and redirecting, by the computing device, the participant communication to the online community.
US11178092B2 Outgoing communication scam prevention
One embodiment provides a method comprising intercepting an incoming communication for a user, and determining whether to classify the incoming communication as a suspicious incoming communication based on content of the incoming communication and a learned classification model or learned signatures. The method further comprises monitoring one or more outgoing communications from the user, and invoking an action relating to scam prevention in response to determining an outgoing communication from the user is linked to a suspicious incoming communication.
US11178091B1 Message ordering buffer
The disclosed embodiments, collectively referred to as the “Message Ordering Buffer” or “MOB”, relate to an improved messaging platform, or processing system, which may also be referred to as a message processing architecture or platform, which routes messages from a publisher to a subscriber ensuring related messages, e.g., ordered messages, are conveyed to a single recipient, e.g., processing thread, without unnecessarily committing resources of the architecture to that recipient or otherwise preventing message transmission to other recipients. The disclosed embodiments further include additional features which improve efficient and facilitate deployment in different application environments. The disclosed embodiments may be deployed as a message oriented middleware component directly installed, or accessed as a service, and accessed by publishers and subscribers, as described herein, so as to electronically exchange messages therebetween.
US11178090B1 Thread visualization tool for electronic communication documents
A method for facilitating document review includes obtaining data indicative of an ordered relationship among electronic communication documents in a conversation thread group and one or more missing electronic communication documents. The method also includes causing a visualization of the conversation thread group to be presented to a user via a graphical user interface of a client device, in part by causing one or more graphic elements, corresponding to the missing electronic communication document(s), to be displayed at respective positions along axes of the visualization with a particular visual coding that is reserved for missing electronic communication documents.
US11178082B2 Smart communications assistant with audio interface
Methods, systems, and computer programs are presented for a smart communications assistant with an audio interface. One method includes an operation for getting messages addressed to a user. The messages are from one or more message sources and each message comprising message data that includes text. The method further includes operations for analyzing the message data to determine a meaning of each message, for generating a score for each message based on the respective message data and the meaning of the message, and for generating a textual summary for the messages based on the message scores and the meaning of the messages. A speech summary is created based on the textual summary and the speech summary is then sent to a speaker associated with the user. The audio interface further allows the user to verbally request actions for the messages.
US11178078B2 Method and apparatus to increase personalization and enhance chat experiences on the Internet
Computer-implemented method and apparatus for placing a request for an Internet chat session between a visitor and a chat persona. A client device displays to the visitor (i) a plurality of chat personas, and (ii) a plurality of chat actions determined by a visitor-identifier associated with the visitor. In response to visitor selections, a chat system server selects (i) at least one chat persona and (ii) at least one chat action. The client device sends to the chat system server (i) a chat request to begin a chat session, and (ii) the visitor-identifier. The chat system server receives the chat request and the visitor identifier. The chat system server retrieves from memory additional information corresponding to the received visitor-identifier. The chat system server generates a personalized chat session between the identified visitor on the client device and the selected persona on the chat system server, using the retrieved additional information.
US11178077B2 Real-time data processing and storage apparatus
A stream processor is disclosed, the stream processor includes: a first in first out memory FIFO, a calculation unit, and a cache. The FIFO receives current stream information, where the current stream information carries a target stream number and target data; when the FIFO receives a read valid signal, the FIFO sends the target stream number and the target data to the calculation unit, and sends the target stream number to the cache; the cache obtains, based on the target stream number, old data that corresponds to the target stream number, and sends the old data that corresponds to the target stream number to the calculation unit; and the calculation unit performs, based on the target data, calculation on the old data that corresponds to the target stream number to obtain new data, and sends the new data to the cache.
US11178076B2 Packet processing with reduced latency
Generally, this disclosure provides devices, methods, and computer readable media for packet processing with reduced latency. The device may include a data queue to store data descriptors associated with data packets, the data packets to be transferred between a network and a driver circuit. The device may also include an interrupt generation circuit to generate an interrupt to the driver circuit. The interrupt may be generated in response to a combination of an expiration of a delay timer and a non-empty condition of the data queue. The device may further include an interrupt delay register to enable the driver circuit to reset the delay timer, the reset postponing the interrupt generation.
US11178071B2 Multisite interconnect and policy with switching fabrics
Embodiments herein describe using translation mappings and security contracts to establish interconnects and policies between switching fabrics at different sites to create a unified fabric. In one embodiment, a multi-site controller can stretch endpoint groups (EPGs) between the sites so that a host or application in a first site can communicate with a host or application in a second site which is assigned to the same stretched EPG, despite the two sites have different namespaces. Further, the shadow EPGs can be formed to facilitate security contracts between EPGs in different sites. Each site can store namespace translation mapping that enable the site to convert namespace information in packets received from a different site into its own namespace values. As a result, independent bridging and routing segments in the various sites can be interconnected as well as providing application accessibility across different fabrics with independent and private namespaces.
US11178063B2 Remote hardware acceleration
A host fabric interface (HFI) apparatus, including: an HFI to communicatively couple to a fabric; and a remote hardware acceleration (RHA) engine to: query an orchestrator via the fabric to identify a remote resource having an accelerator; and send a remote accelerator request to the remote resource via the fabric.
US11178055B2 Methods and apparatus for providing deterministic latency for communications interfaces
A transmitter device may communicate with a receiver device via one or more data links. Data transmitted over the data links may be conveyed in accordance with a communications protocol that requires a deterministic latency for all data lanes in each of the data links. The receiver device may include a deterministic latency controller configured to store a worst-case latency value acquired upon initial startup and a predetermined link reinitialization latency compensation value. During normal operation, the deterministic latency controller may sum together the worst-case latency value and the predetermined link reinitialization latency compensation value to obtain a total compensated deterministic latency that is applied to all data links for simultaneous data release.
US11178052B2 System and method for supporting inter-subnet control plane protocol for consistent multicast membership and connectivity in a high performance computing environment
Systems and methods for supporting inter subnet control plane protocol for consistent multicast membership and connectivity across multiple subnets in a high performance computing environment. In accordance with an embodiment, by associating a multicast group with an inter-subnet partition, and enforcing a dedicated router port for the multicast group, multicast loop avoidance can be provided for between connected subnets. Because only a single router port is selected as being capable of handling the MC packet, no other router port in the subnet can then pass a multicast packet back to the originating subnet.
US11178051B2 Packet key parser for flow-based forwarding elements
Some embodiments provide a forwarding element that parses a packet to selectively extract a set of header field values for a flow key. The forwarding element then uses the flow key to find a matching flow to process the packet. In some embodiments, the forwarding element chooses the set of header values following the match pattern of a set of one or more flows. The forwarding element of some embodiments chooses the set of header values based on a wildcard mask that is associated with a flow entry or a flow table mask that is associated with a flow table.
US11178047B2 Tailored contact plan generation
A system generates a tailored contact plan using a set of contact commands that represent a contact plan of communication opportunities between nodes in a network, an identification of restricted nodes in the network, and an identification of a target node. The system processes the records in the contact plan by writing a record to the tailored contact plan when the record is not a contact command; or writing the record to the tailored contact plan when the record includes the contact command, and a source node in the record is not a restricted node or the source node in the record is the target node; or writing the record to the tailored contact plan when the record includes the contact command and the destination node in the record is the target node. The target node uses the tailored contact plan to route data through the network.
US11178043B1 Prioritized data routing over message brokering system network for connected devices
Novel tools and techniques are provided for implementing data routing over message brokering system network. In various embodiments, in response to receiving a request to transfer data from a source to a destination over a network, a computing system might map, and analyze the map of, messaging connections among two or more nodes among a plurality of nodes within a message brokering system to identify connection paths between the source associated with a first participant in the message brokering system and the destination associated with a second participant. The computing system might encapsulate information associated with each of the source (and/or the first participant), the destination (and/or the second participant), and data protocol in a header portion of at least one message batch, and might encapsulate and send the requested data distributed amongst payload portions of each of the at least one message batch transported via an identified connection path.
US11178041B1 Service chaining with physical network functions and virtualized network functions
Techniques are described in which a centralized controller, such as a software defined networking (SDN) controller, constructs a service chain that includes a physical network function (PNF) between a bare metal server (BMS) and a virtual execution element (e.g., virtual machine or container), or in some instances a remote BMS, or vice-versa. In accordance with the techniques disclosed herein, the controller may construct an inter-network service chain that includes PNFs, or a combination of PNFs and virtualized network functions (VNFs). The controller may construct an inter-network service chain to steer traffic between a BMS and a virtual execution element or remote BMS through an inter-network service chain using Virtual Extensible Local Area Network (VXLAN) as an underlying transport technology through the service chain.
US11178039B2 Electing designated forwarder
A method and device for electing a designated forwarder (DF) are provided. According to the method, NLRI sent by a second (PE) of the PEs is received, and a first election policy set supported by the second PE, and a first priority corresponding to each election policy in the first election policy set is parsed out. A target election policy is determined by using a second election policy set supported by a first PE, a second priority corresponding to each election policy in the second election policy set, the first election policy set supported by the second PE and the first priority corresponding to each election policy in the first election policy set. A DF is elected from the first PE and the second PE by using the target election policy.
US11178037B2 Methods and systems that diagnose and manage undesirable operational states of computing facilities
The current document is directed to automatically, semi-automatically, and/or manually monitoring a computing facility to detect and address undesirable operational states in computing facilities. The present disclosure employs case-based inference to diagnose and ameliorate undesirable operational states using records of previously handled undesirable operational states and the actions taken to remediate the previously handled undesirable operational states.
US11178031B2 Automation logic to proactively isolate layer 1 faults in a leased unmonitored network
A comprehensive integrated system and method includes (i) proactively monitoring a network for degraded service and to proactively make repairs to components before service outages, (ii) identifying the root causes of hard alarms and failures on a layer 1 transport network and generate trouble tickets; and (iii) after repair, verifying that repaired backbone network meets or exceeds performance criteria of Service Level Agreements (SLAs) with customers. A method includes surveilling first equipment in a network wherein the first equipment is in a controlled portion of the network, observing a set of messages wherein the set of messages relate to second equipment in a leased portion of the network, and detecting a fault in the network based on the surveilling step or the observing step. A fault based on the observing step includes the steps of receiving a first message at a first server indicating that a fault was detected in a portion of a leased network, receiving a second message at a second server indicating that the fault was detected in a portion of the leased network, and isolating the fault based on the first message and the second message.
US11178017B2 Creating a computing system
Disclosed is an environment including a device (105) for creating a computing system. The device (105) includes circuitry (120), a first network interface (110), and a second network interface (115). The device (105) may be a gateway. The processing circuitry (120) is arranged to receive a system definition pertaining to a first network. The first network may include OCF clients (140), such as a home automation control panel (140B) or a remote monitor (140A). The OCF clients (140) may communicate to the device (105) using OCF conventions. The system definition includes function identifiers and pertains to the first network. The system definition parameterizes the functions via the function identifiers of the system. Preferably, the first network operates in accordance with the OCF (Open Connectivity Foundation) family of standards. The system definition may be an OCF collection. Here, the function identifiers include the resources linked or batched by the OCF collection. The device (105) may operate as an OCF server. The processing circuitry (120) is also arranged to obtain an organizational element based on the system definition. Here, the organizational element pertains to the second network that uses the organizational element to self-organize. In an example, the second network operates in accordance with a IEEE 802.15.4e family of standards. For example, the system definition may be used as a key for the processing circuitry to lookup an RPL (Routing Protocol for Low-Power and Lossy Networks) instance. The RPL instance may include an objective function which accepts environmental parameters of a node and provides a ranking of other nodes to attach as parents in a Destination-Oriented Directed Acyclic Graph (DODAG). The processing circuitry (120) is arranged to propagate the organizational element to the second network to modify the topology of the second network to create a system of nodes (130) in the second network in accordance with the system definition. The processing circuitry (120) is arranged to receive a request from the first network for the system and fulfill the request by interacting with the nodes (130). Thus, the system may be queried by the OCF clients (140) via the OCF device (105).
US11178015B2 System, method and apparatus for updating network configuration parameters
A method in a client device for updating network configuration parameters, the method comprising: establishing a connection between the client device and an access point connected with a set of other client devices; detecting a connectivity event at the client device; generating a configuration verification request containing current network configuration parameters of the client device; transmitting the configuration verification request for delivery to the set of other client devices; responsive to transmitting the configuration verification request, receiving a configuration verification response from a responding one of the other client devices; and responsive to the configuration verification response indicating non-matching connectivity conditions at the responding client device, initiating a network reconfiguration process at the client device to obtain new network configuration parameters.
US11178010B2 Personalized machine learning model management and deployment on edge devices
A computer-implemented method, a computer program product, and a computer system for personalized machine learning model management and deployment on edge devices. An edge server monitors activities performed on respective ones of edge devices. The edge server associates machine learning models in a model set with respective ones of the activities. The edge server predicts a next set of activities that are to be performed on the respective ones of the edge devices. The edge server deploys, on the respective ones of edge devices, machine learning models that are associated with the next set of the activities. Applications on the respective ones of the devices, which execute the next set of the activities, leverage the machine learning models that are associated with the next set of the activities.
US11178009B2 Static network policy analysis for networks
Systems, methods, and computer-readable media for static network policy analysis for a network. In one example, a system obtains a logical model based on configuration data stored in a controller on a software-defined network, the logical model including a declarative representation of respective configurations of objects in the software-defined network, the objects including one or more endpoint groups, bridge domains, contexts, or tenants. The system defines rules representing respective conditions of the objects according to a specification corresponding to the software-defined network, and determines whether the respective configuration of each of the objects in the logical model violates one or more of the rules associated with that object. When the respective configuration of an object in the logical model violates one or more of the rules, the system detects an error in the respective configuration associated with that object.
US11178008B2 Managing a fleet of devices
Methods of managing a fleet of devices are provided, as are methods for configuring a standby device for a job in a workflow environment, and methods for performing a job in a workflow environment. Device information is analyzed, such as information pertaining to verification systems. Device instructions are sent to various locations on a device network in response to a deviation from a parameter value having been detected. The deviation from the parameter value may correspond to printed media and/or indicia produced by one or more devices. A workflow device and a standby device are provided, and the workflow device sends configuration data to the standby device. The standby device installs configuration data and is introduced into the workflow environment.
US11177999B2 Correlating computing network events
A system and technique for correlating computing network events includes receiving a deployment request for a computing service and identify a deployment template corresponding to the requested computing service where the deployment template indicates resources needed for providing the computing service. Available resources are identified and targeted based on the deployment template. The targeted resources are deployed and the deployment template is associated in a memory with an identification of a resource set indicating each of the deployed resource elements. Responsive to receiving an event including a resource identifier, an event manager identifies the resource set having the deployed resource corresponding to the resource identifier and correlates the event with at least one other active event corresponding to the resource set.
US11177995B2 Methods and apparatus for communicating a single carrier waveform
Aspects of the present application provide methods and devices for time domain implementation of a single carrier waveform such as single carrier quadrature amplitude modulation (QAM) DFT-s-OFDM and single carrier Offset QAM (OQAM). A time domain implementation allows flexible symbol lengths, lower implementation complexity as a large IDFT operation is not required in the time domain and support for variable cyclic prefix (CP) length. An OQAM implementation utilizes a pre-processing step to convert a K complex QAM symbol sequence into a 2K OQAM symbol sequence and generates a sequence for transmission in the time domain as opposed to the frequency domain.
US11177991B2 Transmission method, transmission device, reception method and reception device
A transmission method includes mapping processing, phase change processing, and transmission processing. In the mapping processing, a plurality of first modulation signals and a plurality of second modulation signals are generated using a first mapping scheme, and a plurality of third modulation signals and a plurality of fourth modulation signals are generated using a second mapping scheme. In the phase change processing, a phase change is performed on the plurality of second modulation signals and the plurality of fourth modulation signals using all N kinds of phases. In the transmission processing, the first modulation signals and the second modulation signals are respectively transmitted at a same frequency and a same time from different antennas, and the third modulation signals and the fourth modulation signals are respectively transmitted at a same frequency and a same time from the different antennas.
US11177989B2 Methods and apparatus for signal demodulation
A demodulation system for demodulating an input signal is provided. The input signal includes a carrier wave modulated with data symbols selected from a plurality of candidate complex symbol values. The system includes a carrier recovery module, operative to compensate for a carrier frequency of the carrier wave and output a demodulated data signal. The carrier recovery module includes: a first complex-signal conversion module, operative to convert the input signal into a complex-valued input signal; a voltage-controlled oscillator; a mixer, for mixing the complex-valued input signal and a complex-valued output signal of the voltage-controlled oscillator, and generating a mixer output signal; a low-pass filter, coupled to the mixer, operative to filter the carrier frequency from the mixer output signal, and output a signal corresponding to the demodulated data signal; and a folding module, operative to apply a folding algorithm to the output signal of the low-pass filter.
US11177985B2 Signal output circuit, transmission circuit and integrated circuit
A signal output circuit includes: a driver circuit including a variable current source and configured to output a multilevel signal; a replica circuit having a circuit configuration equivalent to the driver circuit; and a control circuit configured to control a characteristic of the driver circuit, based on an output signal of the replica circuit, wherein the replica circuit includes: a first replica circuit part configured to output first output signals having signal levels of a first subset of a plurality of signal levels corresponding to the multilevel signal; and a second replica circuit part configured to output second output signals having signal levels of a second subset of the plurality of signal levels, and the control circuit is configured to control a characteristic of the variable current source, based the first output signals and the second output signals.
US11177984B1 CMOS analog circuits having a triode-based active load
A continuous time linear equalizer (CTLE) is disclosed. The CTLE may include a first cell configured to buffer and invert an input signal and generate a first intermediate signal, a second cell configured to buffer and invert the input signal and generate a second intermediate signal, and a first frequency section configured to selectively buffer and invert a first range of frequencies of the second intermediate signal. The first frequency section may include a first tunable resistor configured to provide a first resistance and a third cell coupled to the first tunable resistor configured to generate a third intermediate signal based on the first resistance.
US11177979B2 Synchronizing route
In an example of a method of synchronizing a route, a first VTEP in a first EVPN learns an address of a first VM connected with the first VTEP; sends the learned address to a second VTEP connected with the first VTEP via a first EVPN route, where the second VTEP belongs to any of the first EVPN and a second EVPN of a different level from the first EVPN; receives a second EVPN route carrying an address of a second VM and a destination IP address for establishing a VXLAN tunnel; creates a route entry containing the address of the second VM, and nexthop information contained in the route entry is the destination IP address carried in the second EVPN route; and establishes a VXLAN tunnel between the first VTEP and a VTEP identified by the destination IP address carried in the second EVPN route.
US11177970B2 Personalized video calls
A system for facilitating interactive and personal video communication between notable individuals and members of the public, including interaction that is tailored to the individual member of the public, the video interaction able to be monitored and controlled by a third party.
US11177968B2 Roller-shaped electronic stamp
A roller-shaped electronic stamp comprising a plurality of protrusions arranged on a surface of a cylindrical rotational body that rotates around a shaft, wherein a pattern of contact points provided by the plurality of protrusions represents data, and wherein the data is transmitted to an electronic terminal by rolling the surface of the cylindrical rotational body on a touchscreen of the electronic terminal.
US11177964B2 Blockchain based authentication
A method, computer system, and a computer program product for blockchain based authentication is provided. The present invention may include receiving a request packet. The present invention may also include adding the request packet to a blockchain. The present invention may then include creating a hash based on the added request packet and the blockchain. The present invention may further include transmitting the hash to a user. The present invention may also include receiving a verifier packet, wherein the verifier packet includes an authentication token generated by the user that incorporates the transmitted hash.
US11177956B2 Identity authentication, number saving and sending, and number binding method, apparatus and device
Disclosed are an identity authentication, number saving and sending, and number binding method, apparatus and device. The identity authentication method comprises: receiving a user identity authentication request sent by a data authentication platform client, wherein the user identity authentication request comprises user authentication information and user identification information, and a data authentication platform server pre-stores the user authentication information and a registration number and a password, which correspond to the user identification information; acquiring, according to the user identification information, the user authentication information pre-stored in the data authentication platform server; matching the user authentication information in the acquired user identity authentication request with the acquired user authentication information pre-stored in the data authentication platform server; when the matching is successful, receiving a result, sent by the data authentication platform client, of confirming the acquisition of the registration number by a user.
US11177953B2 Trusted authentication of automotive microcontroller
An authentication system includes a microcontroller having a unique identifier (ID) and a first key pair including a microcontroller secret key and a microcontroller public key. The microcontroller is configured to store the unique ID, the first key pair, a digital signature of the unique ID, the digital signature being generated using an external secret key of a second key pair, and a digital certificate of the microcontroller public key that is signed by the external secret key of the second key pair. The second key pair includes the external secret key and an external public key. The authentication system further includes a controller configured to perform a first authenticity validation check on the unique ID using the external public key and perform a second authenticity validation check on the microcontroller public key using the external public key.
US11177952B2 Method and system for disclosing at least one cryptographic key
A method for the disclosure of at least one cryptographic key used for encrypting at least one communication connection between a first communication subscriber and a second communication subscriber in which, in a publish-subscriber server, at least one of the communication subscribers logs on as a publishing unit and at least one monitoring device logs on as a subscribing unit, and in a subsequent negotiation of a cryptographic key by the publishing unit, automatically the negotiated cryptographic key is supplied from the publishing unit to the publish-subscribe server, the negotiated cryptographic key is transmitted from the publish-subscribe server to the at least one subscribing unit, and the encrypted communication connection from the subscribing unit is decrypted using the cryptographic key is provided. The following also relates to a corresponding system.
US11177951B2 Method for provisioning a first communication device by using a second communication device
This invention related to a method for provisioning a first communication device with a set of at least one credential required for accessing to a wireless network by using a second communication device provisioned with a cryptographic key K also known by the wireless network, the first communication device being associated with a certificate comprising a public key PK, said certificate being stored with an associated private key PrK in said first communication device, the method comprising the following steps: receiving by the second communication device a registration request from the first communication device in order to be provisioned with the set of at least one credential; transmitting to the wireless network by the second communication device the registration request to generate a set of at least one credential associated to the first communication device comprising at least a cryptographic key K″, the wireless network being adapted to generate a first random number R1 and a second random number R2; receiving by the second communication device a response from the wireless network comprising R1 and R2; generating K′ by the second communication device using R1 and K; transmitting by the second communication device to the first communication device K′ and R2 to generate K″ using R2 and K′.
US11177947B2 Management of encryption key updates based on activity of a user group
This disclosure provides enhanced management of encryption key updates based on user group activity. A system utilizes a vault key and a combination of other security keys to control access to secret data shared by members of a group who are participating in a collaborative session, such as a channel or chat session. The vault key allows a system to control access to secret data with users that join a particular group while immediately restricting access from users that leave the group. Updates to the keys are initiated based on the activity of the members of a group, which can include, but is not limited to, a threshold change in a number of group members, a total number of group members, an amount of data shared between the group members, and/or an age of one or more keys used to secure data shared by the group.
US11177946B2 Quantum entropy distributed via software defined perimeter connections
A computer device may include a memory storing instructions and processor configured to execute the instructions to receive a request for quantum random numbers from a client device. The processor may be further configured to establish a secure communication channel with the client device; obtain a stream of quantum random numbers from a quantum random number generator appliance; and provide a set of quantum random numbers from the obtained stream of quantum random numbers to the client device via the established secure communication channel.
US11177943B2 Digital electronic device based on dual blockchain having virtual blockchain and operation method thereof
A digital electronic device, which performs authentication using a blockchain, includes: a physical node that is connected to a physical blockchain network and a virtual blockchain network constructed in the digital electronic device, and has attribute information including pubic key information, private key information, a unique identifier (ID), and a password available for encryption of a block including transaction data through the blockchain networks; at least one virtual node that is connected to the virtual blockchain network and has attribute information including pubic key information, private key information, a unique identifier (ID), and a password available for encryption of a block including transaction data through the virtual blockchain network; and a short range communication interface module configured to be able to directly communicate with a user communication device without passing through a gateway.
US11177942B2 Security through data scattering
A method and apparatus of a device that stores an object on a plurality of storage servers is described. In an exemplary embodiment, the device receives an object to be stored and encrypts the object with a first key. The device further creates a plurality of bit vectors from the encrypted object. In addition, the device randomizes the plurality of bit vectors to generate a plurality of randomized bit vectors. Furthermore, the device sends the plurality of randomized bit vectors and the plurality of second keys to the plurality of storage servers, wherein each of the plurality of storage servers stores at least one each of the plurality of randomized bit vectors and the plurality of second keys.
US11177939B2 Blockchain system including a distributed network of a plurality of nodes and a method for achieving an agreement between the plurality of nodes executed by processors of the block chain system
A method may achieve an agreement among a plurality of nodes executed by one or a plurality of processors of a blockchain system including a distributed network of the plurality of nodes. The method may comprise: receiving a candidate block in a N-th round (N is a positive integer) by an arbitrary node among the plurality of nodes able to be promoted to producer nodes having a block generation status at a predetermined time for each round, determining whether the received candidate block is a valid candidate block, determining whether the valid candidate block is an unapproved block, and determining whether to vote for approval of the unapproved block by determining whether the unapproved block is a first received candidate block which is a first received candidate block within the N-th round by the arbitrary node.
US11177932B1 System for generating multi phase clocks across wide frequency band using tunable passive polyphase filters
A clock generation circuit for generating a plurality of output clocks includes: a differential circuit for receiving a single input clock signal and outputting two differential clock signals, and a DC signal; a first polyphase filter for generating four clock signals from the differential clock signals which are a quadrature phase apart from each other; a plurality of setting buffers for setting a same DC point for the four clock signals and generating four resultant clock signals; coupled polyphase filters for generating four more clock signals which are a quadrature apart from each other, and outputting the resultant eight clock signals; a phase mixer, for generating eight output clock signals 45 degrees apart from each other; and a plurality of restoration buffers for setting a DC point for each of the eight clock signals and generating eight output clock signals all riding on a same DC point.
US11177930B2 Communication device, communication system, and synchronization control method
A communication device 2 according to the present disclosure includes (i) a synchronization signal receiver 203 to receive a synchronization signal from a master device 1 that has a reference time and transmits the synchronization signal every synchronization period, (ii) a synchronization signal determiner 210 to determine whether the synchronization signal is normal or abnormal, (iii) a synchronization processor 211 to perform, when the synchronization signal is determined to be normal by the synchronization signal determiner, synchronization processing based on the synchronization signal determined to be normal, and (iv) an additional transmission requester 214 to request the master device to additionally transmit the synchronization signal before transmitting the synchronization signal during a next period when the synchronization signal is determined to be abnormal by the synchronization signal determiner.
US11177928B2 Communication apparatus and control signal mapping method
A communication apparatus includes a circuitry and a transmitter. In operation, the circuitry generates a Demodulation Reference Signal (DMRS) and generates downlink control information indicating a mapping pattern of the DMRS from a plurality of mapping patterns, and the transmitter transmits the DMRS and the downlink control information. The plurality of mapping patterns includes a first mapping pattern and a second mapping pattern. Resource elements used for the DMRS of the second mapping pattern are same as a part of resource elements used for the DMRS of the first mapping pattern. A number of the resource elements used for the DMRS of the first mapping pattern is larger than a number of the resource elements used for the DMRS of the second mapping pattern.
US11177927B2 Terminal apparatus, base station apparatus, communication method, and integrated circuit
The terminal apparatus receives a PHICH and a PDCCH, and in a case that transmission of a transport block corresponding to a first HARQ process and transmission of a transport block corresponding to a second HARQ process, each having a different processing time from reception of the PDCCH to transmission of a PUSCH, occur in an identical uplink subframe, an ACK is set as a state variable HARQ_FEEDBACK of the first HARQ process.
US11177926B2 Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing
Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing. In an exemplary embodiment, a method includes soft-combining acknowledgement (ACK) bits received from a UE that are contained in a received sub-frame of symbols. The ACK bits are soft-combined using a plurality of scrambling sequences to generate a plurality of hypothetical soft-combined ACK bit streams. The method also includes receiving a parameter that identifies a selected scrambling sequence to be used. The method also includes decoding a selected hypothetical soft-combined ACK bit stream to generate a decoded ACK value, wherein the selected hypothetical soft-combined ACK bit stream is selected from the plurality of hypothetical soft-combined ACK bit streams based on the parameter.
US11177925B2 Method for setting frame structure in wireless communication system and device therefor
The present invention relates to a method and a device for transmitting, by a terminal, an acknowledgement (ACK)/negative-acknowledgement (NACK) in a wireless communication system. More specifically, the method comprises the steps of: receiving downlink data resource allocation information for indicating a specific subframe for ACK/NACK transmission; and transmitting an ACK/NACK in a specific subframe, wherein the downlink data allocation information includes a specific sequence among a plurality of sequences defined for a downlink control area, and a frame structure of the specific subframe is determined on the basis of the specific sequence.
US11177924B2 Method and apparatus for indicating channel in wireless local area network
The present invention discloses a method and an apparatus for indicating a channel in a wireless local area network WLAN. A sending station generates and sends a physical protocol data unit PPDU, the PPDU includes a preamble field and a data field, a high efficiency signal field HE-SIG-A of the preamble field includes a bandwidth identifier and a channel bonding identifier, and the channel bonding identifier is used to indicate whether a data transmission channel is continuous in a frequency domain. In the foregoing manner, a discontinuous channel in a frequency domain in a wireless local area network is indicated, an available channel for data transmission is improved, and a system throughput is increased.
US11177921B2 Information on reference signal structure for neighboring cell measurements
A mobile terminal camps in a first cell associated with a first reference signal with a first physical structure that relates to a first Time Division Duplex (TDD) allocation of sub-frames for uplink and downlink transmission. The first reference signal is carried by the downlink sub-frames. The mobile terminal detects a broadcast indication of a second physical structure for carrying a second reference signal that relates to a second allocation of sub-frames for uplink and downlink transmissions that differs from the first allocation. The downlink sub-frames according to the second allocation carry the second reference signal. The mobile terminal measures the second reference signal of a neighbor cell as carried by the second physical structure.
US11177916B2 Method for transmitting DM-RS-based downlink data signal in multiple-antenna-based wireless communication system and device therefor
The present application proposes a method for receiving a demodulation-reference signal (DM-RS)-based downlink data signal from a base station by a terminal in a multiple-antenna-based wireless communication system. Specifically, the method comprises the steps of: receiving information relating to a linear coupling coefficient of a DM-RS antenna port from the base station; and receiving, from the base station, the downlink data signal to which a precoder for mapping the signal to a reference DM-RS antenna port and at least one auxiliary DM-RS antenna port among a plurality of DM-RS antenna ports is applied, wherein the precoder is to map the downlink data signal to the reference DM-RS antenna port and map the downlink data signal to the at least one auxiliary DM-RS antenna port by applying the linear coupling coefficient.
US11177894B2 Decision feedback equalization correction of eye scope measurements
Methods and systems are described for obtaining a plurality of BER-specific correction values by comparing a first set of BER values obtained by sampling, at a sampling instant near the center of a signaling interval, a non-DFE corrected received signal with a second set of BER values obtained by sampling a DFE-corrected received signal at the sampling instant. A set of eye-scope BER measurements are obtained, each eye-scope BER measurement having a sampling offset relative to the sampling instant, a voltage offset value representing a voltage offset applied to alter a decision threshold, and an eye-scope BER value. A set of DFE-adjusted eye-scope BER measurements are generated by using BER-specific correction values to adjust the voltage offset values of the eye-scope BER measurements.
US11177893B2 ITS status indication
A method, wireless device, and network node for providing notification of a status of an intelligent traffic system (ITS) sidelink in a communication network. In one embodiment, the method includes obtaining channel quality measurement data of the ITS sidelink, assigning a sidelink status based on the obtained channel quality measurement data (S120), and providing a feedback indicator based on the sidelink status (S130).
US11177887B2 Substrate with stepped profile for mounting transmitter optical subassemblies and an optical transmitter or transceiver implementing same
The present disclosure is generally directed to a stepped profile for substrates that support “on board” optical subassembly arrangements. The stepped profile enables mounting TOSA modules to the substrate in a recessed orientation to reduce the overall distance between terminals of the substrate and associated components of the TOSA, e.g., RF terminals of the substrate and an LDD of the TOSA. In an embodiment, the stepped profile further simplifies mounting and optical alignment of TOSA modules by providing at least one mechanical stop to engage surfaces of the TOSA modules and limit travel by the same along one or more axis.
US11177886B2 Pluggable optical amplifier for datacenter interconnects
A pluggable bidirectional optical amplifier module may include preamp and booster optical amplifiers and a housing. The preamp optical amplifier may be configured to amplify optical signals traveling in a first direction. The booster optical amplifier may be configured to amplify optical signals traveling in a second direction. The housing may at least partially enclose the preamp optical amplifier and the booster optical amplifier. The pluggable bidirectional optical amplifier module may have a mechanical form factor that is compliant with a pluggable communication module form factor MSA. A colorless mux/demux cable assembly may be operated with the pluggable bidirectional optical amplifier. The colorless mux/demux cable assembly may include a 1:N optical splitter a N:1 optical combiner coupled side-by-side to the 1:N optical splitter, a first fiber optic cable optic cable, and a second fiber optic cable.
US11177877B2 Data transfer between electrical-optical devices
Systems and methods for performing data transfer between first and second electrical devices are provided. One method may include electrically coupling the first electrical device to a first electrical-optical (E-O) device via a first plurality of electrical lanes, electrically coupling the second electrical device to a second E-O device via a second plurality of electrical lanes, optically coupling the first and second E-O devices via a plurality of optical lanes, and transferring data therebetween via a first optical lane. The method may include monitoring one or more parameters associated with an optical transmitter of the first optical lane, and comparing each parameter to a respective threshold. Responsive to the comparison, the method includes commencing transfer of data between the first and second E-O devices via a second optical lane, and terminating transfer of the data between the first and second E-O devices via the first optical lane.
US11177869B2 Method for performing measurement, user equipment and base station
One disclosure of the present specification provides a method by which user equipment (UE) performs a measurement. The method comprises the steps of: receiving, from a serving cell, a synchronization signal (SS)/physical broadcast channel (PBCH) block (SSB), wherein the SSB is used for radio link monitoring (RLM); and performing an RLM measurement on the basis of an RLM-reference signal (RLM-RS) included in the SSB, wherein, if the SSB is quasi-co-located (QCL) with respect to a channel-state information (CSI) reference signal (CSI-RS) resource, the RLM measurement is performed during a first evaluation period on the basis of a first value and, if the SSB is not QCL with respect to the CSI-RS resource, the RLM measurement is performed during a second evaluation period on the basis of a second value, and the first evaluation period is smaller than the second evaluation period.
US11177868B2 Front end module for 6.5 GHz Wi-Fi acoustic wave resonator RF filter circuit
A front end module (FEM) for a 6.5 GHz Wi-Fi acoustic wave resonator RF filter circuit. The device can include a power amplifier (PA), a 6.5 GHz resonator, and a diversity switch. The device can further include a low noise amplifier (LNA). The PA is electrically coupled to an input node and can be configured to a DC power detector or an RF power detector. The resonator can be configured between the PA and the diversity switch, or between the diversity switch and an antenna. The LNA may be configured to the diversity switch or be electrically isolated from the switch. Another 6.5 GHZ resonator may be configured between the diversity switch and the LNA. In a specific example, this device integrates a 6.5 GHz PA, a 6.5 GHZ bulk acoustic wave (BAW) RF filter, a single pole two throw (SP2T) switch, and a bypassable LNA into a single device.
US11177865B2 Precoder resource group allocation methods for MIMO communication
Aspects of the present disclosure disclose various methods for grouping network resources into precoder resource groups (PRGs) for precoding in MIMO communication. A user equipment (UE) may select a common precoder that may not be restricted to a codebook for precoding the resources in the same PRG. These resource grouping methods provide the UE with the flexibility to select a precoder that is well suited to the channel or bandwidth. Moreover, the base station may reduce downlink signaling because it does not need to signal the precoder choice to the UE. In some examples, the base station may receive PRG based channel state information feedback that facilitates DL precoding. Other aspects, embodiments, and features are also claimed and described.
US11177863B2 Massive MIMO robust precoding transmission method
A massive multiple-input multiple-output (MIMO) robust precoding transmission method under imperfect channel state information (CSI), wherein the imperfect CSI obtained by the base station (BS) side of the massive MIMO system is modeled as an a posteriori statistical channel model including channel mean and channel variance information. The model considers the effects of channel estimation error, channel aging and spatial correlation. The BS performs the robust precoding transmission by using the a posteriori statistical channel model, so that the universality problem of the massive MIMO to various typical moving scenarios can be solved, and high spectral efficiency is achieved.
US11177858B2 Electronic device
The present invention discloses an electronic device including a body and an insulation housing. The inner side of the insulating housing is provided with a near field communication antenna and a capacitive proximity sensing board adjacent to each other . . . . A side of the near field communication antenna opposite the other side of the near field communication antenna facing the insulating housing is provided with a conductive sheet, and a first insulation layer is disposed between the near field communication antenna and the conductive sheet to be electrically isolated from each other. An area of the conductive sheet is greater than an area of the near field communications antenna. A side of the capacitive proximity sensor pad, opposite the other side of the capacitive proximity sensor pad facing the insulation housing, is provided with a second insulation layer. When the insulation housing is fixed on the body, the near field communications antenna and the capacitive proximity sensor pad are electrically connected to a near field communications antenna processing module and a capacitive proximity sensing module disposed on the body. Through disposition of the conductive sheet, the capacitive proximity sensor pad is less likely to be interfered with a signal emitted by the near field communications antenna.
US11177856B2 Crosstalk amelioration systems and methods in a radio frequency front end (RFFE) communication system
Crosstalk amelioration systems and methods in a radio frequency front end (RFFE) communication system provide a host or master of an RFFE bus to monitor a weakly-driven data line in the RFFE bus while a clock line is actively providing a clock signal for trigger events at one or more slaves on the RFFE bus. If the host detects noise on the data line that looks like a sequence start condition (SSC) signal, the host further signals on the data line to negate the impact of the false SSC signal and thus avoid misinterpretation by the slaves.
US11177854B2 Method for simulating an antenna
A method for simulating electromagnetic interactions between an antenna with a reflecting front face and at least one electromagnetic radiator and an electrically large interaction structure placed in front of the antenna comprises providing an antenna model representing the antenna, the antenna model comprising an antenna surface representing the front face and at least one field source representing the at least one radiator, wherein the field source is placed at the antenna surface and is configured as a far field source that is defined by a predetermined radiation pattern, and wherein direct electromagnetic interaction between the field source and the antenna surface is avoided. The method further comprises determining electromagnetic radiation launched by the field source based on the predetermined radiation pattern, propagating the radiation using an asymptotic numerical method, and determining interactions of the radiation with the interaction structure and with the antenna surface.
US11177850B2 Radio-frequency module
A radio-frequency module includes a substrate and a switch IC mounted on the substrate and including a common terminal and a plurality of selection terminals. The substrate includes ground electrodes disposed between the common terminal and the plurality of selection terminals in a plan view of the substrate.
US11177848B1 Signal detection based on Gibbs phenomenon
Techniques are provided for signal detection based on the Gibbs phenomenon. A methodology implementing the techniques according to an embodiment includes transforming an input signal to the frequency domain and performing median filtering of amplitudes associated with frequency bins of the frequency domain transformed input signal. The median filtering is performed to attenuate longer duration or continuous signal components that may be present in the input signal. The method also includes identifying a sinc function main lobe in the median filtered signal, the sinc function associated with the Gibbs phenomenon. The method further includes detecting a discontinuity in the input signal based on the identified sinc function main lobe. The discontinuity is associated with a shorter duration signal component that is present in the input signal. Shorter duration signal components may include relatively narrow signal pulses and relatively fast rising or falling signal edges.
US11177846B2 Radio frequency circuits and methods of processing radio frequency signals
A radio frequency circuit for processing a radio frequency signal. The circuit comprises a variable frequency oscillator system and a radio frequency signal processing circuit arranged to process a radio frequency signal using the output of the variable frequency oscillator system. A digitiser is arranged to receive the output of the radio frequency signal processing circuit and generate a digitised signal. A phase noise capture circuit is arranged to capture the phase noise in the output of the variable frequency oscillator system. The radio frequency circuit is arranged to compensate for the effect of the phase noise in the output of the variable frequency oscillator system on the output of the radio frequency signal processing circuit, by digitally processing the digitised signal generated by the digitiser using the output of the phase noise capture circuit.
US11177844B2 Apparatus for improving the effective performance of a power source and associated methods
An apparatus includes a power management circuit to receive an input voltage and to generate and provide a first output voltage to an energy storage device. The power management circuit further generates and provides a second output voltage to a load. The first output voltage is greater than the input voltage, and the second output voltage is smaller than the first output voltage. The apparatus further includes a monitor circuit to monitor the first output voltage and to provide a signal to the load to indicate when the load may perform an operation.
US11177843B2 Efficiency antenna impedance matching
A device includes a transmitter. A main antenna is coupled to the transmitter. A matching network coupled to the transmitter and configured to match an impedance of the main antenna, wherein one or more components of the matching network provide a desired radiation.
US11177838B2 Communication circuit with single element antenna for multi-frequency applications
A communication circuit according to one embodiment includes a single element antenna, a plurality of signal-limiting circuits, a high-frequency transceiver circuit, and a low-frequency transceiver circuit. The high-frequency transceiver circuit is adapted to be selectively coupled to the single element antenna via the plurality of signal-limiting circuits and tuned to operate at a high frequency carrier frequency, and the low-frequency transceiver circuit is adapted to be selectively coupled to the single element antenna via the plurality of signal-limiting circuits and tuned to operate at a low frequency carrier frequency.
US11177831B2 LLR estimation for soft decoding
A method of soft decoding received signals. The method comprising defining quantisation intervals for a signal value range, determining a number of bits in each quantisation interval that are connected to unsatisfied constraints, providing, the number of bits in each quantisation interval that are connected to unsatisfied constraints, as an input to a trained model, wherein the trained model has been trained to cover an operational range of a device for soft decoding of signals, determining, using the trained model, a log likelihood ratio for each quantisation interval, and performing soft decoding using the log likelihood ratios.
US11177830B2 Method and apparatus for data decoding in communication or broadcasting system
The disclosure relates to a communication technique for converging a 5G communication system for supporting a higher data transfer rate beyond a 4G system with an IoT technology, and a system therefor. The disclosure may be applied to intelligent services (for example, smart home, smart buildings, smart cities, smart cars or connected cars, health care, digital educations, retail business, security and safety-related services, etc.) based on a 5G communication technology and an IoT-related technology. The disclosure provides an apparatus and a method for efficiently decoding a low-density parity-check (LDPC) code in a communication or broadcasting system. Further, the disclosure provides an LDPC decoding device and method for improving decoding performance without increasing the decoding complexity by applying suitable decoding scheduling according to the structural or algebraic characteristics of the LDPC code in a process of decoding the LDPC code using layered scheduling or a scheme similar thereto. Further, a method of a low density parity check (LDPC) decoding performed by a receiving device in a wireless communication system is provided, the method comprising: receiving, from a transmitting device, a signal corresponding to input bits; performing demodulation based on the signal to determine values corresponding to the input bits; identifying a number of the input bits based on the signal; identifying a base matrix and a lifting size based on the number of the input bits; identifying a parity check matrix based on the base matrix; identifying an index corresponding to the values; determining a number of layers based on the index and the lifting size; determining an order for LDPC decoding based on the number of layers and a predetermined sequence; and performing LDPC decoding to determine the input bits based on the values, the parity check matrix and the order.
US11177829B2 Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 3/15 and 64-symbol mapping, and bit interleaving method using same
A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 3/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 64-symbol mapping.
US11177828B2 Data collection apparatus, method, and program
A collector included in a data collection apparatus performs data collection to collect data from a PLC. A controller included in the data collection apparatus determines whether the collector is valid depending on whether the collector at a time when an instruction to start the data collection is provided matches the collector at a preset time, and causes the collector to start the data collection in response to the collector being valid.
US11177827B2 Encoder signal sampling method and device
Disclosed are an encoder signal sampling method and device. According to the method and device, a data frequency of the encoder is obtained, a clock frequency is determined according to the data frequency, a high-frequency clock signal is generated based on the clock frequency, an input signal of the encoder is sampled based on the high-frequency clock signal to obtain a sampled signal, and finally denoising processing is performed on the sampled signal based on a preset algorithm by a processer.
US11177826B2 Methods and apparatus for unified significance map coding
Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder (400) for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated for the transform coefficients based on a unified rule. The one or more context sharing maps are for providing at least one context that is shared among at least some of the transform coefficients obtained from at least two different ones of the plurality of transforms.
US11177823B2 Data compression by local entropy encoding
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for compressing and decompressing data. In one aspect, an encoder neural network processes data to generate an output including a representation of the data as an ordered collection of code symbols. The ordered collection of code symbols is entropy encoded using one or more code symbol probability distributions. A compressed representation of the data is determined based on the entropy encoded representation of the collection of code symbols and data indicating the code symbol probability distributions used to entropy encode the collection of code symbols. In another aspect, a compressed representation of the data is decoded to determine the collection of code symbols representing the data. A reconstruction of the data is determined by processing the collection of code symbols by a decoder neural network.
US11177822B2 System and method for background calibration of time interleaved ADC
The present invention discloses a method of calibrating time interleaved analog to digital converter comprising: sampling a common input signal, said sampling is performed by an array of sub analog to digital converters, each generating individual digital analog equivalent outputs with sampling time errors, said digital outputs are fed to sampling time error estimation circuitry to calculate a digital output proportional to sampling time error between two consecutive channels, without any restriction on input signal or ADC channel design, said timing skew estimator circuitry composed of generating a delayed output of one of the two consecutive ADC channels, channel first and channel second and subtracting the said delayed output with digital output of the said second channel and producing the first subtracted output and output of said second channel subtracted with said first channel output delayed by sampling delay between the two consecutive channels and producing the second subtracted delayed output, absolute value of the said first subtracted output and said second subtracted delayed output is monitored for peak value of both for a fixed time duration and then subtracted values of the said peak values are the estimation of sampling time error between the said two consecutive channels, same process is repeated to each consecutive ADC channels of the said ADC array.
US11177817B2 Random number generating device and operating method of the same
Provided are a random number generating device and a method of operating the same. The random number generating device includes a source detector, a pulse generator, a counter, and a verification circuit. The source detector detects particles emitted from a source to generate a detection signal. The pulse generator generates pulses corresponding to the detected particles, based on the detection signal. The counter measures time intervals among the pulses and generates binary count values respectively corresponding to the time intervals. The verification circuit determines an output of the binary count values, based on the number of 0 values and the number of 1 values included in the binary count values.
US11177816B2 Fast locking sequence for phase-locked loops
Apparatus and methods for clock synchronization and frequency translation are provided herein. Clock synchronization and frequency translation integrated circuits (ICs) generate one or more output clock signals having a controlled timing relationship with respect to one or more reference signals. The teachings herein provide a number of improvements to clock synchronization and frequency translation ICs, including, but not limited to, reduction of system clock error, reduced variation in clock propagation delay, lower latency monitoring of reference signals, precision timing distribution and recovery, extrapolation of timing events for enhanced phase-locked loop (PLL) update rate, fast PLL locking, improved reference signal phase shift detection, enhanced phase offset detection between reference signals, and/or alignment to phase information lost in decimation.
US11177814B2 Delay locked loop circuit and semiconductor memory device having the same
A delay locked loop circuit including: a clock signal input buffer to buffer an input clock signal and generate a reference clock signal; a delay unit to delay the reference clock signal in response to a coarse and fine delay code and generate an internal clock signal; a clock signal delay replica unit to delay the internal clock signal and generate a feedback clock signal; a coarse delay control unit to receive the reference and feedback clock signals, detect a time period between a transition time point of the reference clock signal and a transition time point of the feedback clock signal occurring before the transition time point of the reference clock signal, and generate a coarse delay code; and a fine delay control unit to compare a phase of the reference clock signal and a phase of the feedback clock signal, and generate a fine delay code.
US11177811B2 Clock synthesis for frequency scaling in programmable logic designs
Systems and methods described herein are related to clock signal generation for synchronous electronic circuitry. Power management in electronic devices circuitry may be implemented by scaling the frequency multiple functional modules implemented in the synchronous electronic circuitry. The present disclosure discussed clock generators that may provide frequency scaling of clock signals for functional modules within an electronic device. Moreover, certain clock signal generators may reduce mitigate generation of large currents during frequency scaling by employing circuitry that leads to incremental frequency changes. Circuitry that allows substantially glitchless or reduced-glitch transition between clock rate frequencies are also discussed.
US11177800B2 Power transmission device and contactless power transmission device
A power transmission device is provided that enables more accurate detection of an undesired switching state for a switching element and an appropriate supply of power. The power transmission device includes a power supply, a switching element, a ringing detection circuit, and a control circuit unit. The ringing detection circuit detects ringing that occurs in the switching element. The control circuit unit controls at least the power supply or the switching element in accordance with a detection result of the ringing detection circuit. The ringing detection circuit includes a diode and a resistor. The diode conducts when a negative polarity voltage is generated in the switching element. The resistor is connected in series with the diode.
US11177798B2 Control method and semiconductor integrated circuit
According to one embodiment, there is provided a control method. The method includes controlling a frequency of a clock to a first frequency. The method includes changing the frequency of the clock from the first frequency to a second frequency lower than the first frequency. The method includes statically predicting a time for which the second frequency is to be continued. The method includes changing the frequency of the clock from the second frequency to the first frequency after the time for which the second frequency is to be continued elapses from a timing when the frequency of the clock is changed to the second frequency.
US11177797B2 Measuring device and measuring method
A measuring device and a measuring method are provided. The measuring device includes an oscillating circuit, a time average frequency-frequency lock loop, and a digital signal processing circuit. The oscillation circuit includes an element to be measured and is configured to output a signal having an oscillation frequency correlated with an element value of the element to be measured. The time average frequency-frequency lock loop is configured to receive the signal output by the oscillation circuit and output a frequency control word correlated with the oscillation frequency. The digital signal processing circuit is configured to read the frequency control word output by the time average frequency-frequency lock loop and obtain the element value of the element to be measured according to the read frequency control word. The measuring device is easy to integrate, has small volume, low power consumption, and high reliability, and can achieve high-precision measurement.
US11177796B2 Sense amplifier flip-flop
A flip-flop is provided that includes an input latch, configured to receive a data signal and a complement and produce set and reset pulses based on a clock and a difference between the data signal and the complement; and an output latch, configured to store a data value in a first memory and a complement data value in a second memory based on the set and reset pulses and the clock. Various buffers configured to invert and amplify the set and reset pulses before provision to the output latch stages are optionally disposed between the input and output latches. The input latch includes two signal arms, two difference transistors (one gate controlled by the clock and the other by a clock complement) coupled oppositely to one another (by respective drains and sources) to the signal arms, and two regeneration inverters coupled oppositely to one another to the signal arms.
US11177795B1 Master latch design for single event upset flip-flop
A master latch includes a latch input node and a latch output node, a first inverter with an input and an output, the input coupled to the latch input node and the output coupled to the latch output node, and a second inverter with an input and an output, the input coupled to the latch output node and the output coupled to the latch input node. The master latch further includes a first pull-up device connected between a source voltage and the latch input node, the first pull-up device configured to pull the latch input node up towards the source voltage when the latch output node is low, and a first pull-down device connected between the latch input node and a ground voltage, the first pull-down device configured to pull the latch input node towards the ground voltage when the latch output node is high.
US11177793B2 Clock synthesis circuitry and associated techniques for generating clock signals refreshing display screen content
A clock synthesis circuit and method provides for precision controlling and programming a selected number of clock pulses (or simply “clocks”) fitted within time periods between two consecutive pulses of a so-called system heartbeat (SHB) timing signal. The disclosed embodiments have applicability in light emitting diode (LED) display driver integrated circuits (ICs) and, more generally, digital circuits including computer processors, microcontrollers, logic devices such as field-programmable gate arrays (FP-GA), and other logic circuitry.
US11177792B2 Power supply semiconductor integrated memory control circuit
Provided is a semiconductor device including a sequential circuit including a first transistor and a capacitor. The first transistor includes a semiconductor layer including indium, zinc, and oxygen to form a channel formation region. A node electrically connected to a source or a drain of the first transistor and a capacitor becomes a floating state when the first transistor turns off, so that a potential of the node can be maintained for a long period. A power-gating control circuit may be provided to control supply of power supply potential to the sequential circuit. The potential of the node still can be maintained while supply of the power supply potential is stopped.
US11177791B2 High quality factor transducers for surface acoustic wave devices
The present disclosure relates to acoustic wave devices, and particularly to high quality factor (Q) transducers for surface acoustic wave (SAW) devices. An exemplary SAW device includes an interdigital transducer (IDT) between two reflective gratings to form a resonator. The resonator operates through shear horizontal mode acoustic waves, and therefore suppression of transverse modes (parallel to electrode fingers of the IDT) is desired. A piston mode can be formed in the resonator to suppress transverse modes, which may also increase energy leakage and result in a lower Q. A higher Q is achieved by adding a fast region at an end of one or more of the electrode fingers of the IDT.
US11177788B2 Acoustic wave device, radio frequency front-end module, and communication device
An acoustic wave device includes a first and second element substrates each having piezoelectricity, and bonding layers bonding the first and second element substrates to each other. First and second IDT electrodes and first and second wiring electrodes are respectively provided on the first and second element substrates. The first and second wiring electrodes are disposed one above the other with the bonding layer interposed therebetween to define a wiring electrode overlapped portion. In each of the wiring electrode overlapped portions, the first wiring electrode and the second wiring electrode are provided in one of combinations in which one wiring electrode is a signal wiring electrode and the other wiring electrode is a ground wiring electrode, both of the wiring electrodes are ground wiring electrodes, and both of the wiring electrodes are signal wiring electrodes at the same potential.
US11177785B1 Pulse width modulated amplifier
A pulse width modulated (PWM) amplifier includes a synchronization logic circuit having a first input configured to receive a bridge control signal and having a second input configured to receive a clock signal. The synchronization logic circuit is configured to provide a slope switch signal and a reference switch signal. The PWM amplifier includes a ramp generator having a first input configured to receive a first voltage supply and having a second input configured to receive a second voltage supply and having a third input configured to receive the reference switch signal and having a fourth input configured to receive the slope switch signal. The ramp generator is configured to provide a ramp signal having a first slope responsive to the slope switch signal in a first state and having a second slope responsive to the slope switch signal in a second state and to provide the clock signal.
US11177783B2 Power amplifier
A power amplifier includes an amplifier circuit group including multiple amplifier circuits, a distributing circuit that distributes an input signal to each of the multiple amplifier circuits, and a combining circuit that combines output signals from the multiple amplifier circuits. Each of the multiple amplifier circuits includes an amplifier transistor including multiple cell transistors having different sizes and bias circuits that supply bias current to the respective cell transistors.
US11177782B2 Low cost wideband tunable LNA
Methods and devices to fabricate low-cost wideband LNAs that are tunable to multiple frequency bands. Decoupling capacitors are used as part of a tuning circuit implemented at the LNA input. The capacitors are switchably selectable to also tune a signal into desired frequency bands.
US11177779B2 Charge amplifier circuit with a high output dynamic range for a microelectromechanical sensor
A charge amplifier circuit is provided. The charge amplifier circuit is couplable to a transducer that generates an electrical charge that varies with an external stimulus. The charge amplifier circuit includes an amplification stage having an input node, couplable to the transducer, and an output node. The amplification stage biases the input node at a first direct current (DC) voltage. The charge amplifier circuit includes a feedback circuit, which includes a feedback capacitor, electrically coupled between the input and output nodes of the amplification stage. The feedback circuit includes a resistor electrically coupled to the input node, and a level-shifter circuit, electrically coupled between the resistor and the output node. The level-shifter circuit biases the output node at a second DC voltage and as a function of a difference between the second DC voltage and a reference voltage.
US11177772B2 Power control circuit and power amplification circuit
A power control circuit includes: a voltage-current converter and a programmable current amplifier; the voltage-current converter is configured to detect an inputted output power control signal, and to convert the output power control signal to a control current and output same; and the programmable current amplifier is configured to receive the control current and output the amplified control current as a bias current of the power amplifier connected to the power control circuit.
US11177770B2 Controllable system for shutting down connection between photovoltaic panels
A controllable system for shutting down the connection between photovoltaic panels is provided. A connector with the function described in the present invention is arranged on a current transmission line between two photovoltaic panels adjacent to each other. A signal processing system, a power supply system, a control circuit, and an electronic switch element are arranged in the connector. The signal generator inputs a signal into the current transmission line, and the signal processing system separates the signal. A part of the signal continues to be transmitted along the current transmission line to other connectors on the current transmission line, and the other part of the signal is divided into a control signal and a power supply signal. The control signal passes through the control circuit and controls the electronic switch element to be turned on or off.
US11177768B2 Integrated photovoltaic panel circuitry
A photovoltaic module is presented, which may include a photovoltaic panel and a converter circuit having a primary input connected to the photovoltaic panel and a secondary output galvanically isolated from the primary input. The primary input may be connectible to multiple input terminals within a junction box and at least one of the input terminals may be electrically connected to a ground. The photovoltaic module may include multiple interconnected photovoltaic cells connected electrically to multiple connectors (for example bus-bars). The photovoltaic module may include input terminals operable for connecting to the connectors and an isolated converter circuit. The isolated converter circuit may include a primary input connected to the input terminals and a secondary output galvanically isolated from the primary input.
US11177764B2 Solar roof structure
There is proposed an apparatus used for holding solar panels and a roof structure, including an elongate rail member, an elongate capping member movably connected to the elongate rail member, a plurality of interconnected adjustment devices, and a drive mechanism. The adjustment devices are spaced apart along a length of the elongate rail member and are configured to move the elongate capping member relative to the elongate rail member. The drive mechanism is configured to control the movement of the adjustment devices to affect the clamping of the solar array panels between the elongate capping member and the elongate rail member. The drive mechanism is adjustable from a single location along the elongate rail member, such as from an end.
US11177763B2 Metallurgical steel post design for solar farm foundations and increased guardrail durability
A high-grade post or pile system for the foundation of a solar array, which may facilitate the installation of a solar array rack in more corrosive soils. Such a post may also satisfy the need for a foundation able to resist ground forces, in particular the effects of wind on the exterior of the array, and may reduce problems with beam refusal. The post may be used in other applications such as guardrail posts. In contrast to existing posts for solar arrays, the high-grade post may be formed from higher-grade steel.
US11177758B2 Apparatus and method for controlling switching of high speed wiring mode of a motor
The present disclosure relates to an apparatus and method for controlling switching of a wiring mode of a motor capable of being operated in a plurality of wiring modes, a motor control apparatus includes a motor including a rotor that rotates according to a motor torque by a pulse width modulation (PWM) control, a switching unit provided at the motor and switching a wiring method inside the motor so that the motor is driven according to another wiring mode, and a controller generating a speed command frequency for controlling a rotation speed of the rotor, and controlling the switching unit so that the wiring mode of the motor is switched according to a result of comparing the speed command frequency with a switching boundary frequency according to the wiring mode of the motor, wherein when the PWM control is stopped in response to the switching of the wiring mode, the controller estimates a rotation state of the rotor that rotates inertially, and when the PWM control is restarted, the controller sets the estimated rotation state of the rotor as an initial value of the rotor, and controls a rotation speed of the motor of which the wiring mode is switched based on the set initial value of the rotor.
US11177757B2 Power conversion device
The present invention includes a control amount calculation unit which calculates two or more control amounts each indicating a driving condition of a rotary electric machine on the basis of output current from and a switching state in a power converter; a limitation range-provided command value generation unit which generates limitation range-provided command values relative to command values for the control amounts; and a switching state determination unit which determines a switching state such that each control amount falls within the limitation range of the corresponding limitation range-provided command value. For at least one of the limitation range-provided command values, the limitation range thereof is temporally changed on the basis of the driving condition of the rotary electric machine.
US11177756B2 Electric motor drive device and air conditioner
An electric motor drive device includes a wire-connected-state switching unit to switch a wire connected state of stator windings of an electric motor to either a delta connected state or a star connected state, an inverter to drive the electric motor, and a relay-voltage detection circuit to detect a relay voltage (VR) that is a power-supply voltage of the wire-connected-state switching unit, and to deactivate the inverter when the relay voltage (VR) is decreased below a threshold.
US11177755B2 Rotary electric machine apparatus
To provide a rotary electric machine apparatus which can make the rotary electric machine output torque, and can change characteristics of a rotary electric machine according to change of the DC power voltage, even if failure occurs in one DC power source. A rotary electric machine apparatus (1) is provided with a power source switching mechanism (23) that switches between the DC power of low voltage and the DC power of high voltage; a winding connection switching mechanism (24) that switches interconnection of the plural-phase windings between a first winding connection state, and a second winding connection state in which an induced voltage constant of windings becomes lower than the first winding connection state; a inverter (12) provided with the switching devices; and a controller (25) that switches the power source switching mechanism (23), switches the winding connection switching mechanism (24), and controls on/off of the switching devices.
US11177754B2 Highly energy efficient circuit for an AC ceiling fan motor in high speed gear
A highly energy efficient circuit for an AC ceiling fan motor in high speed gear, which comprises a speed regulator and a ceiling fan motor whose output torque at full voltage exceeds a required torque at rated load. Two ends of a winding of the ceiling fan motor are connected to a voltage-regulating capacitor bank and a zero line, respectively. The voltage-regulating capacitor bank comprises a first capacitor bank for enabling low speed operation of the ceiling fan motor by stepping down by a third capacitor, a second capacitor bank for enabling medium speed operation of the ceiling fan motor by stepping down by a second capacitor and the third capacitor in parallel, and a third capacitor bank for enabling high speed operation of the ceiling fan motor by stepping down by a first capacitor, the second capacitor and the third capacitor in parallel.
US11177736B2 Circuit device, power supply circuit, oscillator, electronic apparatus, and vehicle
A circuit device includes a digital circuit, a digital power supply circuit that supplies a digital power supply voltage to the digital circuit, an analog circuit, and an analog power supply circuit that supplies an analog power supply voltage to the analog circuit. The analog power supply circuit has a first mode and a second mode as operation modes, the first mode is a mode in which activation of power supply is faster than that in the second mode, and the second mode is a mode in which power supply is performed with lower noise than that in the first mode.
US11177735B2 Charge pump stability control
During its first and second residence times, corresponding first and second currents flow between a charge pump and a circuit that connects to one of the charge pump's terminals. Based on a feedback measurement from the charge pump, a controller adjusts these first and second currents.
US11177733B2 Electronic device for controlling voltage conversion mode and operation method thereof
An apparatus and a method for controlling a voltage conversion mode in an electronic device are provided. The electronic device includes a power management module, a communication processor, and at least one processor operably connected to the communication processor, wherein the at least one processor identifies a modulation order used for communication with an external device, in a case that communication with the external device is performed using a wireless resource, and configures, based on the modulation order, a voltage conversion mode of the power management module that supplies power to the communication processor to a pulse frequency modulation (PFM) mode or a pulse width modulation (PWM) mode.
US11177731B2 Current detecting circuit and method for constant on-time power converter
A current detecting circuit of a constant on-time power converter and a method thereof are provided. The current detecting circuit includes a time detecting circuit and a sample and hold circuit. A control circuit of the constant on-time power converter outputs a lower bridge conduction signal to turn on a lower bridge switch during an on-time of each cycle of the lower bridge conduction signal. The time detecting circuit detects the on-time of a cycle of the lower bridge conduction signal. The sample and hold circuit samples and holds a current of an inductor at a detection time point of a next cycle of the lower bridge conduction signal. A time between a rising edge of a waveform of the next cycle of the lower bridge conduction signal and the detection time point is equal to half the on-time.
US11177729B2 Adaptive and efficient standby power supply scheme for next generation low power automotive systems
A method and system are provided for supplying power with an LDO linear voltage regulator (110) having an LDO power supply (114, 115) and a load switch (116) by connecting a power supply voltage (102, 104) to a main core (121) and a standby core (122) in a multi-core low power microcontroller (120) during an active mode so that the standby core receives a first supply voltage that tracks the power supply voltage during the active mode, and upon detecting a standby mode for the multi-core low power microcontroller, disconnecting the power supply voltage from the standby core and connecting a low dropout (LDO) linear power supply voltage to the standby core during the standby mode so that the standby core receives the LDO linear power supply voltage as a second supply voltage during the standby mode.
US11177728B2 Switched reluctance motor
A stator assembly has coils in a distributed winding configuration. A poly-phase switched reluctance motor assembly may include a stator assembly with multiple coils in a distributed winding configuration. The stator assembly may have a central bore into which a rotor assembly having multiple poles is received and configured to rotate. A method of controlling a switched reluctance motor may include at least three phases wherein during each conduction period a first phase is energized with negative direction current, a second phase is energized with positive current and there is at least one non-energized phase. During each commutation period either the first phase or second phase switches off to a non-energized state and one of the non-energized phases switches on to an energized state with the same direction current as the first or second phase that was switched off. The switched reluctance motor may include a distributed winding configuration.
US11177726B2 System and apparatus for axial field rotary energy device
An axial field rotary energy device can include a housing having an axis. A stator assembly is mounted to the housing and has stator panels that are axially-stacked and discrete panels from each other. Each stator panel includes a respective printed circuit board (PCB) having respective coils that are electrically conductive and interconnected within the respective PCB. In addition, a rotor assembly including rotors is rotatably mounted within the housing on opposite axial ends of the stator assembly. The rotors can be mechanically coupled together. Each rotor can include magnets having leading and trailing edges. The trailing edge of one magnet and the leading edge of an adjacent magnet can be parallel to each other to define a consistent circumferential spacing, relative to the axis, between adjacent ones of the magnets.
US11177723B2 Rotor and motor
A rotor includes a shaft extending along a central axis, a sensor magnet positioned on one axial side of the shaft, a magnet holder that includes a circumferential wall which is open on another axial side and accommodates an end portion on the one axial side of the shaft and the sensor magnet therein, and a support wall positioned on the one axial side of the sensor magnet, the magnet holder being fixed to the shaft, and a filling that fills an inside of the circumferential wall. The sensor magnet is sandwiched between the support wall and the filling in an axial direction.
US11177720B2 Standby generator engine-fan-alternator configuration
A standby generator includes an air-cooled engine having a crankshaft, an alternator driven by the crankshaft to produce electrical power for distribution from the standby generator, and an engine cooling fan operatively coupled to the crankshaft on a side of the engine driving the alternator.
US11177715B2 Motor
A motor includes a motor main body including a rotor rotatable about a central axis extending in an up-down direction, a controller to control rotation of the rotor and disposed on an upper side of the motor main body, and a cover surrounding the controller from an outward diameter direction and an upper side of the controller, the controller including a substrate disposed along a direction orthogonal to the central axis and connected with a coil wire extending from the stator, a press fitting pin electrically connected to the substrate and extending along an up-down direction, and a support fitting and contacting a first contact surface facing the upper side of the motor main body and a second contact surface facing a lower side of the cover.
US11177712B2 Metal coil fabrication
A method is provided for fabricating an insulated metal coil for an electrical machine. The method includes 3D printing a metal coil having a plurality of turns. The method further includes subsequently infiltrating insulating material between the turns of the metal coil to electrically insulate the turns from each other.
US11177702B2 Position alignment apparatus and method for wireless power transfer
A position alignment method, performed by a vehicle assembly (VA) including a reception pad receiving power transmitted from a transmission pad of a ground assembly (GA) is provided. The method includes transmitting a magnetic field using a transmitting device disposed on a reception pad, the transmitting device operating with low frequency (LF); receiving a magnetic field related value from the GA, the magnetic field being detected by an LF receiving device disposed on the transmission pad of the GA; and calculating, by a controller, a distance between the transmission pad and the reception pad using the magnetic field related value. A part of the transmitting device is disposed to arrange a magnetic field formed by the part of the transmitting device in a 0°, 90°, 180°, or 270° direction with respect to a magnetic field formed by a part of the LF receiving device.
US11177698B2 Wireless power transmitter and control method therefor
A wireless power transmitter according to various embodiments comprises: a power transmission antenna array capable of transmitting power in a wireless manner; a driving circuit for mechanically adjusting the steering direction of the power transmission antenna array; and a processor, wherein the processor can be configured so as to determine the direction in which an electronic device is positioned, control the driving circuit such that the driving circuit mechanically adjusts the steering direction of the power transmission antenna array when the direction in which the electronic device is positioned is not included in a coverage corresponding to the steering direction of the power transmission antenna array, and control the power transmission antenna array such that the power transmission antenna array transmits the power to the electronic device.
US11177696B2 Receive end and transmit end of wireless charging system, and wireless charging system
A receive end and a transmit end of a wireless charging system, and the wireless charging system, where the receive end includes a receive coil, a rectifier, and a receive end controller, where the receive coil receives an alternating magnetic field and outputs an alternating current, the rectifier is configured to rectify the alternating current from the receive coil into a direct current, the receive end controller is configured to adjust, based on a target impedance sent by a transmit end controller, a reflection impedance reflected from the receive end to a transmit end such that an inverter of the transmit end implements a zero voltage switching (ZVS), and a bridge arm voltage is a voltage between two bridge arm midpoints of a full bridge rectifier or a voltage between a single bridge arm midpoint of a half bridge rectifier and ground.
US11177695B2 Transmitting base with magnetic shielding and flexible transmitting antenna
A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
US11177686B2 Automatic transfer switch maintenance bypass cabinet
According to an embodiment, an automatic transfer switch bypass breaker system can include a first plurality of breakers configured to electrically couple a first input power source or a second input power source to common load bus via an automatic transfer switch in a first state and to electrically isolate the automatic transfer switch from the first and second input power sources and the common load bus in a second state, the first plurality of breakers including at least three breakers, and a second plurality of breakers configured to bypass the automatic transfer switch to electrically couple the first input power source or the second input power source to the common load bus in the second state, the second plurality of breakers includes at least two breakers.
US11177681B2 Electronic device and method for controlling recharge of battery
An electronic device according to various embodiments may include: a coil configured to receive a signal for wirelessly obtaining power from an external electronic device; a wireless power circuit (MFC) configured to output the signal received by the coil as a DC signal; a first capacitive voltage divider circuit configured to adjust the voltage of, and to output, power according to a first voltage division ratio; a second capacitive voltage divider circuit configured to adjust the voltage of, and to output, power according to a second voltage division ratio; a controller configured to control the electronic device to provide the DC signal to at least one capacitive voltage divider circuit among the first capacitive voltage divider circuit and the second capacitive voltage divider circuit, based on a voltage value of the signal received through the coil; and a battery configured to receive another signal output from the at least one capacitive voltage divider circuit, based on the provided DC signal, thereby obtaining power.
US11177675B2 Charging control device
A charging control device is equipped with a state of charge detection unit adapted to detect a state of charge of a secondary battery, a storage unit adapted to store a charging pattern in which the state of charge and a charging current are associated, and a charging control unit adapted to change the charging pattern in accordance with the state of charge of the secondary battery when charging is initiated, and to control the charging current in accordance with the charging pattern after having been changed.
US11177674B2 Communication apparatus with charging reminder, and method
A communication apparatus (1), such as a mobile phone, a tablet computer or a laptop computer, provides charging reminders to the user of a connected peripheral device (14), such as a headset. The charging reminders are provided in dependence on an auxiliary status signal (AS) received from the peripheral device (14) and on detected charging events (ME), wherein a main charging event (ME) comprises a charging or replacement of a main battery (2) that energizes the communication apparatus (1). The auxiliary status signal (AS) indicates an auxiliary energy level (AL) of an auxiliary battery (15) of the peripheral device (14). The communication apparatus (1) detects low-battery conditions (LC), based on the indicated auxiliary energy level (AL), and provides notification signals (NS) for a user interface (11) to notify the user of the detected low-battery conditions (LC) in response to the detected main charging events (ME).The communication apparatus (1) acts to notify the user to conveniently charge or replace the auxiliary battery (15) of the peripheral device (14) together with the main battery (2) and thus prevent that the auxiliary battery (15) becomes discharged in the interval before a subsequent charging or replacement of a main battery (2). The communication apparatus (1) may aid its user in reducing the number of times a peripheral device (14) becomes inoperable due to a discharge of the battery (15).
US11177672B2 Battery pack and data transmission method of battery pack
The described technology relates to a battery pack and a data transmission method for the battery pack. In one embodiment, the battery pack includes a battery comprising at least one battery cell and a controller configured to check a state of the battery and generate a battery state signal corresponding to the state of the battery. The battery pack also includes a switch circuit configured to operate based on the battery state signal and a resistor circuit configured to be electrically connected to a reference node through the switch circuit. The switch circuit is configured to make or break electrical connection between the resistor circuit and the reference node based on the battery state signal.
US11177670B2 Integrated charger and integrated charger process
An aircraft-based power system includes a charger system that includes a charger controller and a charger circuit. The charger system is further configured to connect to a ground-based power source and the charger system is further configured to deliver power from the ground-based power source to the charger circuit. The charger circuit is configured to be controlled by the charger controller and the charger controller is configured to control the charger circuit consistent with a charging protocol. The charger system is further configured to charge a battery system that includes a plurality of battery cells with the charger circuit consistent with the charging protocol.
US11177668B2 Managing top-off charging and discharge testing of battery packs to optimize capacity
Computer-implemented managing of battery capacity within a battery system is provided. The managing includes obtaining, by one or more processors, data representative of a number (N) of battery packs in the battery system, and ascertaining, by the processor(s), a battery pack self-discharge time interval (TD) from full-charge to a partially discharged threshold for initiating top-off charging. The managing also includes determining, by the processor(s), a charge-staggering time interval (TS) using the number (N) of battery packs in the battery system and the ascertained battery pack self-discharge time interval (TD), and staggering, by the processor(s), top-off charging of the battery packs of the N battery packs in the battery system using, at least in part, the charge-staggering time interval (TS).
US11177667B2 Viral distribution of battery management parameters
A carrier, such as a battery, that queries a memory of a charger or charging circuit, or the memory of equipment or discharging circuit powered by the battery, to determine the relative date or version of data, operating parameters and/or software on both the battery and the equipment, and either provides updated data, operating parameters and/or software to the equipment, or retrieves later dated data, operating parameters and/or software from the equipment to update the memory of the battery and/or further distribute the updated data, operating parameter sand/or software to other batteries or equipment.
US11177665B2 Redundant voltage delivery with active cables
A computer controls voltage supply for a system that includes a plurality of active cables. The computer determines that a first voltage source included in a first cable has failed to provide a required amount of voltage to the first cable. The computer switches the first cable to a second voltage source included in a second cable. The second voltage source provides voltage to the first cable.
US11177664B2 System and method for dynamic voltage regulation of an engine on a variable frequency bus
A system and method for variable frequency voltage regulation is presented. The system includes a variable frequency bus and a variable frequency load directly connected to the variable frequency bus. A plurality of variable frequency gensets are directly connected to the variable frequency bus. Each variable frequency genset includes a genset controller configured to select set points based on a selected frequency response curve of the variable frequency bus. A variable frequency voltage regulator is configured to regulate an electrical output of the variable frequency generator based on the selected set points. The system includes a voltage regulation controller configured to determine a desired bus frequency based on the variable frequency load, and determine an optimal frequency response curve based on the desired bus frequency and a frequency response model of each VFG. The selected frequency response curve is updated based on the determined optimal frequency response curve.
US11177663B2 Chain of power devices
Various implementations described herein are directed to methods for connecting power devices prior to deployment in a photovoltaic installation, for cost savings and easy deployment. Some embodiments disclosed herein include manufacturing a chain of power devices already coupled by conductors, and providing a mechanical assembly for convenient storage and deployment.
US11177660B2 System and method for power converter control for virtual impedance
A power converter controller for virtual impedance realization is provided that comprises: a sampling circuit configured to sample a real grid interface voltage at terminals of the power converter; a first operation block, which may be a subtractor, for performing a first operation on a reference voltage signal and the sampled real grid interface voltage signal of the power converter to generate a first voltage signal; a second operation block that may consist of a divider for dividing the first voltage signal by an amplification factor to generate a second voltage signal; and third operation block, which may be an adder, for adding the sampled real grid interface voltage signal to the second voltage signal, and a third voltage signal to generate a command voltage signal for realization at the DC-to-AC voltage conversion output, wherein the amplification factor is a real number greater than or equal to 1.
US11177656B2 Systems and methods for optimizing building-to-grid integration
A computing device can generate predictions for future consumptions for one or more buildings based on a variety of factors. The factors can include a local climate corresponding to each building, a mass and heat transfer for each building, a daily operation for each building, and an occupancy behavior for each building. A power flow can be determined for one or more power generators. The power flow can be determined based on the predictions of future consumption. A control input vector can be determined for the one or more buildings.
US11177653B2 Bus mounted surge protection devices
Bus mounted surge protection devices are provided that are configured to be positioned in a panelboard alongside one or more similarly sized circuit breaker devices. The bus mounted surge protection device is configured to be received by a same provisional bus as the one or more circuit breaker devices and the bus mounted surge protection device is configured to protect all of the one or more circuit breaker devices in the panelboard.
US11177647B2 Ground fault detector and power conditioner with input-side ground fault detection
A power conditioner includes an inverter circuit that converts a DC voltage into an AC voltage, a voltage dividing circuit having one end connected to the positive electrode input terminal and the other end connected to the negative electrode input terminal, and a ground fault detector configured to receive a voltage divided by the voltage dividing circuit as an input voltage signal and to detect an occurrence of a ground fault based on the magnitude of the voltage of the input voltage signal. the ground fault detector emits an AC ground fault detection signal when the input voltage signal includes a first voltage signal having a frequency equal to or higher than a predetermined first frequency and a deviation of the first voltage signal with respect to an AC ground reference potential is equal to or larger than an AC ground fault detection voltage.
US11177644B2 Smart electronic switch
A circuit may include an electronic switch that has a load current path coupled between an output node and a supply node and that is configured to connect or disconnect the output node and the supply node in accordance with a drive signal. Further, the circuit includes a monitoring circuit that is configured to receive a current sense signal, which represents the load current passing through the load current path, and that is further configured to determine a protection signal based on the current sense signal, a state of the monitoring circuit, and at least one wire parameter. The wire parameter characterizes a wire that is—during operation—connected to the output node, and the protection signal is indicative of whether to disconnect the output node from supply node. Further, the circuit includes a protection circuit connected to the monitoring circuit.
US11177640B2 Cable management assembly
A cable management assembly includes a cable management device and a supporting device. Two engaging members are arranged on one of the cable management device and the supporting device. Amounting member is arranged on the other one of the cable management device and the supporting device. The mounting member is detachably connected to one of the two engaging members.
US11177636B2 Motor control center (MCC) units with slidable shutters
Motor control centers have units or buckets with an operator mechanism with a retractable power stab assembly and one or more sliding shutters that controllably block access to a stab isolation port based on position of the operator disconnect handle using an attached shutter cam that slides the shutter right and left.
US11177634B1 Gallium and nitrogen containing laser device configured on a patterned substrate
A gallium and nitrogen containing laser diode device. The device has a gallium and nitrogen containing substrate material comprising a surface region. The surface region is configured on either a non-polar crystal orientation or a semi-polar crystal orientation. The device has a recessed region formed within a second region of the substrate material, the second region being between a first region and a third region. The recessed region is configured to block a plurality of defects from migrating from the first region to the third region. The device has an epitaxially formed gallium and nitrogen containing region formed overlying the third region. The epitaxially formed gallium and nitrogen containing region is substantially free from defects migrating from the first region and an active region formed overlying the third region.
US11177629B2 Light source device, light source driver, and lighting system
A light source device according to an embodiment is used with a light guide member and a wavelength converting member, and includes a light-emitting element, a light sensor, and a driving unit. The light-emitting element radiates a light beam to be incident on a first end of the light guide member by being supplied with a drive current. The light sensor detects signal light, which has been incident on a second end of the light guide member and transmitted to the first end. The driving unit supplies the drive current to the light-emitting element and controls the drive current based on a result of detection of the signal light.
US11177625B2 Laser apparatus
A laser apparatus comprising a laser diode module/cooling plate assembly in which a plurality of LD modules to which a driving current is supplied in series is disposed on the surface of a cooling plate, comprising: a laser power source; switch valves for switching a flow direction of a cooling liquid flowing through a cooling liquid flow path; a timing determination apparatus for determining the timing for switching the flow direction of the cooling liquid, by referencing temperature time series data of at least any one temperature variation part in the laser diode module/cooling plate assembly having temperature variations due to heat generated in a heat-generating part of the laser diode module; and a control circuit for outputting a driving current output command to the laser power source and outputting a valve switch command to the switch valves by referencing the determination result of the timing determination apparatus.
US11177624B2 Tunable laser
Examples of the present disclosure include a tunable laser comprising a waveguide including gain section. The waveguide overlies and is optically coupled to another waveguide. The another waveguide has a reflector at one end. A laser cavity is formed in the waveguides.
US11177622B1 Nearly transform-limited, low-repetition-rate, picosecond optical parametric generator
A low-repetition-rate (10-Hz), picosecond (ps) optical parametric generator (OPG) system produces higher energy output levels in a more robust and reliable system than previously available. A picosecond OPG stage is seeded at an idler wavelength with a high-power diode laser and its output at ˜566 nm is amplified in a pulsed dye amplifier (PDA) stage having two dye cells, resulting in signal enhancement by more than three orders of magnitude. The nearly transform-limited beam at ˜566 nm has a pulse width of ˜170 ps with an overall output of ˜2.3 mJ/pulse. A spatial filter between the OPG and PDA stages and a pinhole between the two dye cells improve high output beam quality and enhances coarse and fine wavelength tuning capability.
US11177614B2 Transceiver assembly array with fixed heatsink and floating transceivers
A cage assembly includes a cage including a top wall and a bottom wall and an electrical receptacle positioned between the top wall and the bottom wall such that the electrical receptacle floats within the cage in opposite directions between the top wall and the bottom wall.
US11177611B2 Method of mating a quick-locking coaxial connector
A quick-locking male connector includes: an inner contact; an insulator; an outer contact; a spring basket with a plurality of spring fingers; an elastic claw with at least radially-inward one tooth and a radially-outward nub; a connector body attached to the outer contact; and a coupling nut having at least one radially-inward extending nub. The coupling nut is movable between a rear unsecured position, in which the nub of the coupling nut is rearward of the nub of the claw, and a forward secured condition, in which the nub of the coupling nut engages the nub of the claw and forces the at least one tooth of the claw radially inward to engage with a thread of an outer conductor body of a mating female connector. The spring fingers of the spring basket apply radially-outward pressure to the outer conductor body of the mating female connector.
US11177605B2 Connector, jig and method for manufacturing connector
A retainer mounted in a connector housing includes first contact portions configured to move the retainer from a full locking position to a partial locking position by coming into contact with tip portions of first protrusions of a jig, and second contact portions configured to move the retainer from the partial locking position to the full locking position by coming into contact with second protrusions of the jig. In use the connector housing may be moved into a recess of the jig and a projection in the recess may cause the retainer to move outwardly to allow terminal insertion. The connector housing may be then move outwardly of the recess to cause a jig projection to move the retainer to a full locking position.
US11177596B1 Board end connector
The present disclosure provides a terminal assembly and board end connector. The terminal assembly comprises a plurality of terminals, a terminal insulation body and a conductive plastic. Each of the terminals comprises a terminal body, a plugging end part and a connecting end part. The plugging end part and the connecting end part are provided at two ends of the terminal body. The terminal insulation body covers the plurality of the terminal bodies of the plurality of terminals. The conductive plastic is disposed on one side of the terminal insulation body. A surface of the conductive plastic close to the terminal body is parallel to the terminal body. The SI performance of the board end connector equipped with the terminal assembly of the present disclosure can be improved by paralleling a surface of the conductive plastic close to the terminal body to the terminal body.
US11177594B2 Housing for pluggable module
A housing for a pluggable module may include a first seating protrusion, a second seating protrusion, and a locking protrusion. The first seating protrusion may have a first seating surface facing a first direction. The second seating protrusion may have a second seating surface facing a second direction opposite the first direction. The second seating surface may be positioned parallel to the first seating surface. The second seating protrusion may be offset relative to the first seating surface in a direction parallel and a direction perpendicular to the first seating surface. The locking protrusion may have a locking surface facing the first direction. The locking surface may be positioned parallel to the first seating surface. The locking surface may be offset relative to the first seating surface in the direction perpendicular to the first seating surface.
US11177593B2 Connector
The present disclosure provides a connector that comprises a housing and wafers. The housing comprises a top wall and a bottom wall separated from each other in a mounting direction. The wafers are mated to the housing in a mating direction and supported by the housing. A first wafer is configured to be limited in the mounting direction. A second wafer is configured to be limited in the mating direction. A possible benefit from a match between a limiting block of the first wafer and a limiting groove of the housing and a match between the limiting block of the first wafer and a limiting opening of the housing is that the first wafer is less easy to move between the top wall and the bottom wall of the housing along the mounting direction and can be more firmly supported by the housing.
US11177585B2 Insulation piercing electrical tap connectors
Various implementations of insulation piercing connectors are disclosed. The insulation piercing connectors include a simple and efficient design for providing electrical tap connections to a power cable for voltage detection purposes. The insulation piercing connector includes at least a top housing and a bottom housing that come together to receive the power cable. Terminal contacts are housed internally within the insulation piercing connector, and the terminal contacts are positioned to pierce the power cable when the insulation piercing connector is assembled into an operational state.
US11177584B1 Female welding lead connector including safety flip cover
A female welding lead connector including a safety cover hingedly connected to a main body of the female welding lead connector. The safety cover preferably includes a fastener for fastening the cover to a closed position, shielding a female welding lead receptacle inside the main body of the female welding lead connector.
US11177577B2 Passive repeater device, microwave network, and method of designing a repeater device
A repeater device comprises a periodic array of alternating metallic phase shifting elements, the array being periodic in at least one axis, formed on a first surface of a dielectric substrate, with an opposite surface of the dielectric substrate having a ground plane formed thereon, wherein each phase shifting element provides from 0° to 360° phase shifting in the microwave frequency range. The repeater device can be utilized in a microwave network.
US11177575B2 Planar antenna element and antenna
The invention relates to a planar antenna element and an antenna. The planar antenna element includes a main radiator and secondary radiators. The main radiator is a rectangular metal sheet in which a double gourd-shaped opening is formed. The double gourd-shaped opening includes a first opening, a second opening and a feed line part. The first opening and the second opening are communicated through the feed line part and are symmetrical to each other. The secondary radiators are arranged on the short sides of the main radiator.
US11177572B2 Broadband stacked patch radiating elements and related phased array antennas
A stacked patch radiating element includes a dielectric substrate, a ground plane on a first surface of the dielectric substrate, a patch radiator on a second surface of the dielectric substrate, a feed that is configured to connect the patch radiator to a transmission line, a solder layer on the patch radiator opposite the dielectric substrate, and a parasitic radiating element on the solder layer opposite the patch radiator. The parasitic radiating element includes a metal layer on the solder, a parasitic radiator dielectric substrate on the first metal layer opposite the solder, and a parasitic radiator on the parasitic radiator dielectric substrate opposite the first metal layer.
US11177569B2 Three-dimensional loop antenna device
An antenna device includes a substrate extending within a substrate plane, the substrate having a first side and an oppositely arranged second side, and a three-dimensional shape structure which is arranged on the first side and protrudes from the substrate plane, and a strip structure arranged at the three-dimensional shape structure, and a rear-side metallization which is arranged on the second side of the substrate and is electrically coupled to the strip structure so that the strip structure and the rear-side metallization form a loop antenna.
US11177568B2 Antenna resource scheduling method and device
An antenna resource scheduling method and device for improving radiation efficiency of an antenna in a sideband area of an operating band by obtaining an operating frequency of an antenna, where the operating frequency is a frequency currently used by the device during communication; determining an operating band based on the operating frequency, where the operating band is a band to which the operating frequency belongs; determining a target impedance parameter based on the operating band and the operating frequency; and adjusting an impedance parameter of an impedance circuit to the target impedance parameter.
US11177563B2 Lower element ground plane apparatus and methods for an antenna system
A lower element ground plane apparatus for maximizing ground plane surface area in an antenna system, the apparatus involving a lower element of a bi-element antenna and an array of monopole antennas coupled with the lower element of the bi-element antenna, the lower element of the bi-element antenna operable as a ground plane for the array of monopole antennas, whereby ground plane surface area is maximized.
US11177561B2 Protected RFID antenna
In one embodiment, a method of manufacturing an RFID label includes providing a web structure comprising a dielectric layer and a metal layer; depositing a non-removable resist on the metal layer, the deposition of the non-removable resist defining an antenna; depositing a removable resist on the metal layer, the deposition of the removable resist defining connection pads for connecting an integrated circuit (IC) to the antenna; etching the metal layer to form the antenna and the connection pads; removing the removable resist from the metal layer to expose the connection pads; and attaching the IC to the connection pads.
US11177560B2 Antenna apparatus and vehicle having the same
A vehicle includes: a roof panel; an antenna disposed on an edge portion of one side the roof panel; and a vector transformer extending from the edge portion of one side of the roof panel to an outside of the roof panel. A surface area of the vector transformer may be smaller than that of the roof panel.
US11177550B2 Multi-fed patch antennas and devices including the same
A radio frequency (RF) device may include a radio frequency integrated circuit (RFIC) chip and an antenna module on an upper surface of the RFIC chip. The antenna module may include a first patch parallel to the RFIC chip and having an upper surface configured to emit radiation in a vertical direction opposite the first patch from the RFIC chip, a ground plate parallel to the first patch, and between the first patch and the RFIC chip, and a first plurality of feed lines connected to a lower surface of the first patch and configured to supply at least one first differential signal to the first patch from the RFIC chip.
US11177548B1 Electromagnetic wave concentration
A device for concentrating an electromagnetic wave includes a waveguide array that includes a central waveguide having a first refractive index and a central axis and feeder waveguides disposed around the central waveguide. Each feeder waveguide has a second refractive index. The waveguide array also includes a support structure coupled to the waveguide arrays and configured to, in a deployed configuration, retain the feeder waveguides of the waveguide array in a substantially symmetric arrangement with respect to the central waveguide to enable concentration of an electromagnetic wave of a particular wavelength in the central waveguide via electromagnetic coupling of the central waveguide with each of the feeder waveguides, with the respective axis of each feeder waveguide oriented substantially parallel to the central axis of the central waveguide and with each feeder waveguide spaced apart from the central waveguide by a distance that is based on the particular wavelength.
US11177547B1 Three-dimensional branch line coupler
A branchline coupler structure having a pair of main transmission lines disposed on different horizontal levels of a support structure and a pair of shunt transmission lines, vertically disposed and laterally spaced, and disposed in the support structure. A first one of the pair of shunt transmission lines is coupled between: one region of a first one of the pair of main transmission lines and a first end of a second one of the pair of main transmission line. A second one of the pair of shunt transmission lines is coupled between a second region of the first one of the pair of main transmission lines, laterally spaced from the first region, and a second end of the second one of the main transmission lines.
US11177546B2 Bandpass filter based on effective localized surface plasmons and operation method thereof
The present disclosure provides a bandpass filter based on effective localized surface plasmons (ELSPs) and an operation method thereof. The bandpass filter includes a metal ground plane on a lower portion and a dielectric substrate in a middle as well as microstrips and dielectric resonators on an upper portion, where the microstrips at two terminals are symmetric with each other; each dielectric resonator includes a cuboid dielectric body and two metal strips, where the two metal strips each the same as the cuboid dielectric body in length are respectively located in a middle of an upper surface and lower surface of the dielectric body; and two microstrips are respectively connected to the metal strips on lower surfaces of two dielectric resonators, so as to be used as ports for feeding.
US11177544B2 Battery device
A battery device includes a case, a cell disposed within the case, and first and second conductive tabs each electrically connected to the cell and partly enclosed by the case. The first conductive tab has an elastic portion exposed from the case and compressible or stretchable when a force is applied thereto. By having the elastic portions that are elastically deformable, the effects of push or pull resulting from the swelling of the cell and case on the conductive tabs may be reduced. Consequently, damages or breakages of the conductive tabs can be avoided and the safety of battery device may be improved.
US11177543B2 Battery installation with security screws for theft deterrence in cell site shelters and the like
A battery installation method in a shelter or cabinet includes placing one or more batteries in the shelter or cabinet; connecting terminals on each of the one or more batteries to associated terminal plates with associated security screws; and connecting a bracket to a housing in the shelter or cabinet with associated security screws, wherein the bracket spans across the one or more batteries.
US11177537B2 Separator enclosures for electrodes and electrochemical cells
The disclosure provides electrochemical cells including a separator enclosure which encloses at least a portion of a positive or negative electrode. In an embodiment, the separator generates a contact force or pressure on at least a portion of the electrode which can improve the performance of the cell. The disclosure also provides methods for charging an electrochemical cell.
US11177533B2 Separator and electrochemical device including the same
Disclosed are a separator and an electrochemical device including the same. The separator includes: a porous substrate having a plurality of pores; and a pair of porous coating layers formed on both surfaces of the porous substrate, and including a plurality of inorganic particles and a binder polymer disposed partially or totally on the surface of the inorganic particles to connect and fix the inorganic particles with each other, wherein the amount of the binder polymer and the amount of the inorganic particles in one porous coating layer are the same as those in the other porous coating layer, the binder polymer is used in an amount of 5-40 wt % based on the total weight of the porous coating layer, the inorganic particles include boehmite particles and non-boehmite particles, and the boehmite particles and the binder polymer are used at a weight ratio of 1:1-1:5.
US11177528B2 Battery module and battery pack
The present disclosure provides a battery module and a battery pack. The battery pack comprises a box and a battery module, the battery module is accommodated in the box. The battery module comprises batteries sequentially arranged in a first direction. The battery comprises an electrode assembly, a case and a cap assembly, the electrode assembly is received in the case, and the cap assembly is connected with the case. The case comprises two first side walls, and the two first side walls are respectively positioned at two sides of the electrode assembly in the first direction. The first side walls of two adjacent batteries face each other. An area of the first side wall is defined as S1, a distance between the electrode assemblies of two adjacent batteries in the first direction is defined as D, S1 and D satisfying a relationship: 1.2×10−5 mm−1≤D/S1≤500×10−5 mm−1.
US11177526B2 Battery housing and method for producing same
A battery housing for a vehicle driven by an electric motor comprises a housing part and a cover part for closing the housing part. A trough-like structure of the housing part is formed by a peripheral wall and a base. A compartment structure, formed by at least one longitudinal strut and at least one transverse strut connected to the longitudinal strut, for holding battery modules is inserted into the trough-like structure. The compartment structure comprises tolerance-compensating elements for compensating tolerances of the struts and/or of the internal dimensions of the trough-like structure. A tolerance-compensating element having a longitudinal strut seat and a transverse strut seat is involved in a node formation between the transverse strut and the longitudinal strut, such that the longitudinal strut seat and the transverse strut seat are bordered by two connecting extensions spaced from one another, each of which engages a corner of the respective node between the transverse strut and the longitudinal strut. The connecting extensions are formed on a connecting plate which acts as a cover support element. Each connecting extension is connected to a lateral face of the longitudinal strut and to a lateral face of a transverse strut by a joining process. A method for fitting tolerance-compensating elements during the production of a battery housing is also described.
US11177525B2 Battery pack
The present disclosure provides a battery pack for a hybrid vehicle. The battery pack includes: multiple battery cells, a housing, a first end plate, a second end plate, a bearing plate and an upper cover, wherein the housing is provided with a bottom portion and side walls extending from the periphery of the bottom portion and forming an upper portion opening; the housing is configured for accommodating the multiple battery cells and the two end plates, when the multiple battery cells are sequentially arranged and mounted into the housing, the first end plate and the second end plate are located at two end sides of the sequentially arranged multiple battery cells to laterally fix the multiple battery cells; the bearing plate is mounted above the top portions of the multiple battery cells; and the upper cover is mounted above the housing to cover the upper portion opening of the housing.
US11177522B2 Battery pack
A battery pack includes a fixing frame, at least one battery assembly, and a monitoring device for monitoring the at least one battery assembly, wherein the battery assembly is disposed on the fixing frame. The battery assembly includes a plurality of battery modules which are arranged along a predetermined axial direction. The monitoring device is disposed on the fixing frame, and is located on a side of the battery assembly in the predetermined axial direction. A minor axis of the monitoring device is located in the predetermined axial direction. In this way, the overall length of the battery pack can be reduced.
US11177518B2 Heat-radiating cartridge, and battery pack for electric vehicle using same
Provided is a heat dissipation cartridge, and a battery pack for an electric vehicle using the heat dissipation cartridge. The heat dissipation cartridge comprises a frame structure including a receiving through-hole formed in a central region so as to receive a pair of batteries and a seating part formed on a side wall of the receiving through-hole for seating the pair of batteries, wherein the frame structure is formed of heat-dissipating plastic and in which an aluminum frame is insert injection-molded.
US11177515B2 System and method for maintaining a fleet of aircraft batteries located at multiple airports
A system for maintaining a fleet of aircraft batteries located at multiple airports. The system may be configured to obtain charge information and battery health information for individual batteries within the fleet of aircraft batteries from charging containers located at individuals ones of the multiple airports. The charge information may include charge statuses of the individual batteries and/or the battery health information may characterize the degradation of the individual batteries over time. The system may determine predictions of one or more batteries to be re-allocated and/or to receive maintenance based on the battery health information. The system may generate a battery management plan including the one or more predictions recommending one or more batteries to be re-allocated and/or to receive maintenance.
US11177512B2 Barium-doped composite electrode materials for fluoride-ion electrochemical cells
The present disclosure relates to a method of making core-shell and yolk-shell nanoparticles, and to electrodes comprising the same. The core-shell and yolk-shell nanoparticles and electrodes comprising them are suitable for use in electrochemical cells, such as fluoride shuttle batteries. The shell may protect the metal core from oxidation, including in an electrochemical cell. In some embodiments, an electrochemically active structure includes a dimensionally changeable active material forming a particle that expands or contracts upon reaction with or release of fluoride ions. One or more particles are at least partially surrounded with a fluoride-conducting encapsulant and optionally one or more voids are formed between the active material and the encapsulant using sacrificial layers or selective etching. The fluoride-conducting encapsulant may comprise one or more metals. When the electrochemically active structures are used in secondary batteries, the presence of voids can accommodate dimensional changes of the active material.
US11177511B2 System for processing battery plates and arrangement thereof in the provided battery housing
A system for processing battery plates and arrangement thereof in the battery housing, including transportation apparatuses and individual processing stations, such as insertion stations, tin bath, and a lead casting station. The battery plates which are to be processed are arranged as plate stacks in a plurality of clamping cassettes which are equipped with the plate stacks arranged in a vertically oriented transportation apparatus which rotates in a circle. The plate stacks and the individual processing stations rotate in a vertically oriented circular movement and can be supplied to the clamping cassette which is positioned in the processing station.
US11177508B2 Lithium-ion battery and apparatus
The present application provides a lithium-ion battery and an apparatus, the lithium-ion battery includes an electrode assembly and an electrolyte, the electrode assembly includes a positive electrode sheet, a negative electrode sheet and a separator. A positive active material of the positive electrode sheet includes both Lix1Coy1M11-y1O2-aQ1a and LilNim1Con1M2pM3qO2-bQ2b, a mass ratio of Lix1Coy1M11-y1O2-aQ1a and LilNim1Con1M2pM3qO2-bQ2b is 1:1-9:1. The electrolyte contains an additive A, the additive A is a six-membered nitrogen heterocyclic compound with multiple nitrile groups and with low oxidation potential. The lithium-ion battery according to the present application has excellent cycle performance and storage performance, especially under high temperature and high voltage conditions.
US11177496B2 Manufacturing method of fuel cell, and fuel cell
A manufacturing method of fuel cell and a fuel cell are provided. The manufacturing method of fuel cell includes a first slit formation process in which first slits are formed in a first electrode, an electrolyte membrane lamination process in which an electrolyte membrane is laminated on the first electrode, an IC formation process in which interconnector portions are formed on the electrolyte membrane, a second slit formation process in which second slits are formed in a second electrode, a second electrode lamination process in which the second electrode is laminated on the electrolyte membrane, and a side edge portion removal process in which side edge portions of the first electrode and the second electrode are removed to divide the first electrode into a plurality of parts via the first slits and to divide the second electrode into a plurality of parts via the second slits.
US11177495B2 Evaporator for a fuel cell system
A fuel cell system comprising a fuel cell stack, an evaporator for evaporating a mixture of methanol and water to be forwarded through a catalytic reformer for producing portions of free hydrogen. The fuel cell stack being composed of a number of proton exchange membrane fuel cells each featuring electrodes in form of an anode and a cathode for delivering an electric current. The system provides an enhanced system for evaporating the liquid fuel using a pre-evaporator, which partly evaporates the fuel, followed by a nozzle, which atomizes the fuel into a fine mist, before being passed to the final evaporation zone. This configuration ensures minimal fuel accumulation in the system and fast load transition's.
US11177494B2 Systems and methods for forming a liquid mixture having a predetermined mix ratio and reforming systems, reforming methods, fuel cell systems, and fuel cell methods that utilize the liquid mixture
Systems and methods for forming a liquid mixture having a predetermined mix ratio and reforming systems, reforming methods, fuel cell systems, and fuel cell methods that utilize the liquid mixture. The methods include apportioning a preselected volume of liquid from a liquid source. During the apportioning, the liquid is a first liquid, and the methods further include providing a first preselected volume of the first liquid to a mix tank. The methods also include repeating the apportioning with a second liquid providing a second preselected volume of the second liquid to the mix tank to generate the liquid mixture. The methods also may include providing the liquid mixture to a reforming region, reforming the liquid mixture to generate a mixed gas stream that includes hydrogen gas, and providing the hydrogen gas to a fuel cell assembly to generate an electric current.
US11177493B2 Fuel cell system and vehicle
A fuel cell system is equipped with a fuel cell unit that is composed of a plurality of fuel cells including a first fuel cell and a second fuel cell, a first supply device and a second supply device that supply reactive gas to the first fuel cell and the second fuel cell respectively, and a control device that controls running of the first fuel cell and the second fuel cell and operation of the first supply device and the second supply device. The control device suspends electric power generation by the first fuel cell and drives the first supply device to hold an opening circuit voltage of the first fuel cell within a target range, and suspends electric power generation by the second fuel cell and stops driving the second supply device when an output P required of the fuel cell unit is equal to 0.
US11177487B2 Power supply apparatus for vehicle
A power supply apparatus for a vehicle includes a fuel cell, an air conditioner condenser, an electrical system radiator, a fuel cell radiator, and a compressor. The air conditioner condenser is disposed in a first circuit of a refrigerant used for air conditioning of a passenger compartment of the vehicle. The electrical system radiator is disposed in a second circuit of a refrigerant used for cooling of in-vehicle electric devices other than the fuel cell. The fuel cell radiator is disposed in a third circuit of a refrigerant used for cooling of the fuel cell. The compressor is disposed in an air passage coupled to the fuel cell and introduces air to the fuel cell through the air passage. One or both of the air conditioner condenser and the electrical system radiator are disposed upstream of the compressor in the air passage.
US11177485B2 Terminal plate for fuel cell
A terminal plate for fuel cell includes a core plate that includes a first opening portion at a position corresponding to a manifold, a cover plate that includes a second opening portion at a position corresponding to the manifold, and is arranged at least on a surface on a side of a unit fuel cell of the core plate, and a resin sheet that is interposed between the core plate and the cover plate, includes a third opening portion at a position corresponding to the manifold, and is arranged at a position facing a manifold forming area. The core plate includes a first metal plate that is arranged at a position facing a power generating area, and a second metal plate that is joined to the first metal plate, includes the first opening portion, and is arranged at a position facing the manifold forming area. Each of the cover plate and the second metal plate is made of a metal material higher in corrosion resistance than the first metal plate.
US11177482B2 Method for infiltrating with precursor solution using moisture control
Disclosed is a method for infiltrating a porous structure with a precursor solution by means of humidification. The infiltration method with a precursor solution using moisture control comprises the steps of: (S1) providing a substrate having porous structures deposited thereon; (S2) depositing, by electrospraying, a precursor solution on the substrate having porous structures deposited thereon; (S3) humidifying the porous structures having the precursor solution deposited thereon; and (S4) sintering the humidified porous structures.
US11177478B2 Crosslinked polymer binder from crosslinkable monomer for nonaqueous electrolyte secondary battery and use thereof
A binder for a nonaqueous electrolyte secondary battery electrode and use thereof are described. The binder contains a crosslinked polymer or salt thereof, the crosslinked polymer having an ethylenically unsaturated carboxylic acid and a crosslinkable monomer in constituent monomers thereof, or salt thereof, wherein the crosslinked polymer includes the ethylenically unsaturated carboxylic acid in an amount of 20 to 99.95 mass % of the total constituent monomers, and the crosslinked polymer includes at least one compound selected from the group made of trimethylolpropane diallyl ether and trimethylolpropane triallyl ether as the crosslinkable monomer.
US11177477B2 Negative electrode plate and battery
The present disclosure provides a negative electrode plate and a battery, the negative electrode plate comprises a negative current collector and a negative film, the negative film is provided on at least one surface of the negative current collector and comprises a negative active material. The negative active material comprises graphite, and an OI value of the negative film represented by VOI and a pressing density of the negative film represented by PD satisfy a relationship: 0.7≤(80/VOI+43/PD)×PD/VOI≤21.5, where a unit of the pressing density of the negative film represented by PD is g/cm3. The battery of the present disclosure can have the characteristics of fast charging speed, high energy density, good safety performance and long cycle life at the same time.
US11177476B2 Complexed iodine-based electrolyte and redox flow battery comprising the same
The disclosure relates to a complexed iodine-based electrolyte, a redox flow battery comprising the complexed iodine-based electrolyte, and a method for producing the redox flow battery.
US11177475B2 Ternary positive electrode material, and lithium ion battery
The present disclosure relates to a ternary positive electrode material and a battery using the ternary positive electrode material. The ternary positive electrode material includes secondary particles composed of primary particles. The secondary particles have an average particle diameter D50 of 6 μm-20 μm, BET of 0.2 m2/g-1 m2/g, and the number σ of primary particles per unit area of the secondary particles is 5 particles/μm2-100 particles/μm2. The ternary positive electrode material has a formula of Li1+a[NixCoyMnzM1bM2c]O2−dNd, where element M1 and element M2 are each independently selected from at least one of Al, Zr, Ti, Mg, Zn, B, Ca, Ce, Te and Fe, element N is selected from at least one of F, Cl and S, and 0
US11177473B2 Self-standing tin sulfide film for flexible batteries
High-performance flexible batteries are promising energy storage devices for portable and wearable electronics. The major obstacle to develop flexible batteries is the shortage of flexible electrodes with excellent electrochemical performance. Another challenge is the limited progress in the flexible batteries beyond Li-ion because of safety concerns for the Li-based electrochemical system. Accordingly, a self-supported tin sulfide (SnS) porous film (PF) was fabricated as a flexible cathode material in Al-ion battery, which delivers a high specific capacity of 406 mAh/g. A capacity decay rate of 0.03% per cycle was achieved, indicating a good stability. The self-supported and flexible SnS film also shows an outstanding electrochemical performance and stability during dynamic and static bending tests. Microscopic images demonstrated that the porous structure of SnS is beneficial for minimizing the volume expansion during charge/discharge. This leads to an improved structural stability and superior long-term cyclability.
US11177466B2 Display apparatus and method for manufacturing display apparatus
A display apparatus comprises: a display panel to control emission or transmission of light to display an image; a support comprising a surface on which the display panel is placed; and a holding member that is adhered onto the surface of the support and engages with an edge of the display panel to hold the display panel at a given position of the surface, wherein the display panel has an opposite surface of a display surface of the display panel, the opposite surface being directed to the support; the holding member comprises a front surface portion formed using a light-transmitting material to cover the display surface, the front surface portion being plate shaped, and a frame portion comprising a rod-shaped member provided in such a manner as to be protruded from a first surface of the front surface portion and to be along an edge of the front surface portion, the first surface being directed to the display surface; and the front surface portion comprises a first functional layer on the first surface or on a second surface opposite the first surface, the first functional layer having a given function related to propagation of light.
US11177460B2 Sub-pixel structure, pixel structure, display panel and display device
A sub-pixel structure including: a light emitting device including a first electrode layer and a second electrode layer arranged opposite to each other, the first electrode layer and the second electrode layer together defining an optical microcavity. A first refractive layer is provided at a light exit surface of the light emitting device, the first refractive layer operable to reflect a portion of light emitted by the light emitting device back into the optical microcavity for interference. A second refractive layer is provided at a side of the first refractive layer facing away from the light exit surface, the second refractive layer operable to reflect a portion of the light emitted by the light emitting device and transmitted through the first refractive layer back into the optical microcavity for interference.
US11177453B2 Display device
A display device is disclosed. The display device comprises: a substrate comprising a display area where a plurality of sub-pixels are arranged and a non-display area surrounding the display area; a data driver disposed in the non-display area of the substrate; a GIP driver disposed in the non-display area, adjacent to the display area; data link lines extending from the data driver to the display area; gate link lines extending from the GIP driver to the display area; and a passivation film disposed on the gate link lines, wherein the passivation film comprises one or more passivation holes that are arranged between the gate link lines, at the intersections of the data link lines and the gate link lines.
US11177452B2 Three stack hybrid white OLED for enhanced efficiency and lifetime
OLEDs containing a stacked hybrid architecture including a phosphorescent organic emissive unit and two fluorescent organic emissive units are disclosed. The stacked hybrid architecture includes a plurality of electrodes and a hybrid emissive stacked disposed between at least two of the electrodes. The stack contains at least three emissive units and at least two charge generation layers. At least one of the three emissive units is a phosphorescent organic emissive unit and at least two of the three emissive units are fluorescent organic emissive units. More specifically, the two fluorescent organic emissive units may be blue organic emissive units that emit light from the same or different color regions.
US11177449B2 P-type semiconductor layer, P-type multilevel element, and manufacturing method for the element
Provided are P-type semiconductor layer, P-type multilevel element, and manufacturing method for the element. The P-type multilevel element comprises a gate electrode, an active structure overlapping the gate electrode, a gate insulating layer disposed between the gate electrode and the active structure, and source and drain electrodes electrically connected to both ends of the active structure, respectively. The active structure has a first P-type active layer, a second P-type active layer, and a barrier layer disposed between the first P-type active layer and the second P-type active layer. A threshold voltage for forming a channel in the first P-type active layer and a threshold voltage for forming a channel in the second P-type active layer have different values.
US11177445B2 Compound and organic light-emitting device including the same
A compound is represented by Formula 1 below: wherein each of Ar1, Ar2, and L is independently selected from a list of substituted or unsubstituted aryl groups, l is 0 or 1, m is an integer from 1 to 5, n is 2 or 3. When m is two or more, two or more L(s) are identical to or different from each other. M indicates a post-transition metal or a transition metal.
US11177439B2 Processing of perovskite films using inks with complexing agents
A method can comprise providing an ink comprising reactants, a complexing agent, and a solvent, depositing the ink onto a substrate to form a wet film, drying the wet film to form a precursor layer, and annealing the precursor layer to form a perovskite film. The reactants can comprise a first and a second cation, a first metal, and a first and a second anion, wherein the first and second cations are different from each other, and the first and second anions are different from each other. The complexing agent can comprise a heterocyclic donor material. The perovskite film can comprise a mixed-cation mixed-halide perovskite material, and less than 5% by mass of the complexing agent. The perovskite film can also be formed using a one-step process.
US11177434B2 Chip package
An integrated fan-out package including an integrated circuit, a plurality of memory devices, an insulating encapsulation, and a redistribution circuit structure is provided. The memory devices are electrically connected to the integrated circuit. The integrated circuit and the memory devices are stacked, and the memory devices are embedded in the insulating encapsulation. The redistribution circuit structure is disposed on the insulating encapsulation, and the redistribution circuit structure is electrically connected to the integrated circuit and the memory devices. Furthermore, methods for fabricating the integrated fan-out package are also provided.
US11177432B2 Heusler-alloy and ferrimagnet based magnetic domain-wall devices for artificial neural network applications
A synapse device includes a perpendicularly magnetized ferrimagnetic racetrack layer, a tunneling barrier layer disposed on the racetrack layer and a reference layer including a perpendicular magnetic alloy. The racetrack layer, the tunneling layer and the reference layer have a channel portion and contact pad portions. First and second contacts are provided over the contact pad portions, and a third contact is provided over the channel portion, wherein the first and second contacts are electrically isolated from the third contact.
US11177430B2 Memory device and manufacturing method thereof
A magnetoresistive memory device includes a memory stack, a spin-orbit-torque (SOT) layer, and a free layer. The memory stack includes a pinned layer and a reference layer over the pinned layer. The SOT layer is spaced apart from the memory stack. The free layer is over the memory stack and the SOT layer.
US11177428B2 Flux-biasing superconducting quantum processors
A flux-biasing device includes a set of magnetic flux generating members. A first magnetic flux generating member is configured to magnetically interact with a first qubit from a set of qubits of a quantum processor such that a first magnetic flux of the first member causes a first change in a first resonance frequency of the first qubit by a first frequency shift value. Each non-corresponding magnetic flux generating member of the set is well separated from qubits corresponding to other magnetic flux generating members of the set such that qubits corresponding to other members exhibit less than a threshold value of resonance frequency shift as a result of a magnetic flux of a non-corresponding member.
US11177418B2 Display device and method for manufacturing the same
Provided is a display device. The display device includes a base layer, a plurality of wavelength conversion parts disposed on one surface of the base layer, a partition wall disposed between the adjacent wavelength conversion parts of the plurality of wavelength conversion parts and having a first refractive index, a cover part configured to cover the plurality of wavelength conversion parts and having a second refractive index greater than the first refractive index, and an image display part disposed on a surface provided by the partition wall and the cover part.
US11177412B2 Sputter deposition apparatus including roller assembly and method
A sputter deposition method includes sputtering a first target material onto a web substrate moving through a first process module while heating the substrate, providing the substrate from the first process module to a connection unit containing a roller assembly including a plurality of cylindrical rollers, bending the substrate at an angle of 10° to 40° around the roller assembly in the connection unit, providing the substrate from the connection unit to a second process module, and sputtering a second target material onto the substrate moving through the second process module while heating the substrate.
US11177410B2 Electrically modulated IR sensitive photodiode and its integration in CMOS
Electrically modulatable photodiode, comprising a substrate having a first and a second p-n junction, a common contact for jointly contacting the p or n dopings of the two p-n junctions, and two further contacts for separately contacting the other doping of the p and n dopings of the two p-n junctions, and a circuit, wherein the circuit is designed to measure a current flow caused by charge carriers which have been generated by impinging radiomagnetic waves in the substrate and which have reached the first further contact, and to switch the second further contact at different times to at least one first and one second switching state, wherein in the first switching state the second further contact is switched to the floating state and in the second switching state a potential is applied, and wherein a blocking voltage applied between the common contact and the first further contact is constant.
US11177407B2 Method for manufacturing solar cell, solar cell, and solar cell module
A method of manufacturing a back electrode type solar cell, may include forming by physical vapor deposition at least one layer of an electrode material film on both a first conductivity type semiconductor layer, to give a first electrode layer, and a second conductivity type semiconductor layer, to give a second electrode layer, and patterning the first electrode layer and the second electrode layer each in a strip-like shape such that the first electrode layer and the second electrode layer both extend in a first direction and are arranged in a second direction by removing a part of the electrode material film.
US11177405B2 Thin film solar cell
A thin film solar cell including a substrate, an insulating layer, a first electrode layer, a photovoltaic conversion layer and a second electrode layer is provided. The insulating layer is disposed on the substrate and includes a plurality of microstructures. An orthographic projection of the plurality of microstructures is a regular geometric shape or an irregular geometric shape regarding to a normal direction of the substrate. The first electrode layer is disposed on the insulating layer. A thickness of the first electrode layer is less than 1 μm or is equal to 1 μm. The photovoltaic conversion layer is disposed on the first electrode layer. The second electrode layer is disposed on the photovoltaic conversion layer.
US11177404B2 Fin-based photodetector structure
A photodetector disclosed herein includes an N-doped waveguide structure defined in a semiconductor material, wherein the N-doped waveguide structure comprises a plurality of first fins. Each adjacent pair of the plurality of first fins is separated by a trench formed in the semiconductor material. The photodetector also includes a detector structure positioned on the N-doped waveguide structure, wherein a portion of the detector structure is positioned laterally between the plurality of first fins. The detector structure comprises a single crystal semiconductor material. The photodetector also includes a first diffusion region that extends from the bottom surface of the trench into the semiconductor material, wherein the first diffusion region comprises atoms of the single crystal semiconductor material of the detector structure.
US11177403B2 Perovskite solar cell
A perovskite solar cell adopts a compound having a specific central backbone having a carbazolylamino group as a substituent, and more particularly, to the perovskite solar cell adopts a compound, as a hole transport material, having a specific central backbone having a carbazolylamino group as a substituent, and a spirobifluorene compound having a carbazolylphenylamino group. The perovskite solar cell has very excellent high-temperature stability while having a high power generation efficiency.
US11177399B2 Nanoparticle assemblies and method for producing nanoparticle assemblies
The nanoparticle assembly includes nanoparticles having an average primary particle size of 60 nm or less, and the nanoparticle assembly has a diameter of more than 500 nm and 5 μm or less.
US11177395B2 Semiconductor device and method of manufacturing the same
A semiconductor device includes a semiconductor substrate SUB, a semiconductor layer EP formed on the semiconductor substrate SUB, a buried layer PBL formed between the semiconductor layer EP and the semiconductor substrate SUB, an isolation layer PiSO formed in the semiconductor layer EP so as to be in contact with the buried layer PBL, and a conductive film FG formed over the isolation layer PiSO via an insulating film IF, whereby a first capacitive element including the conductive film FG as an upper electrode, the insulating film IF as a capacitive insulating film, and the isolation layer PiSO as a lower electrode, is formed over the semiconductor substrate SUB.
US11177394B2 Wide bandgap semiconductor switching device with wide area schottky junction, and manufacturing process thereof
A switching device including: a body of semiconductor material, which has a first conductivity type and is delimited by a front surface; a contact layer of a first conductive material, which extends in contact with the front surface; and a plurality of buried regions, which have a second conductivity type and are arranged within the semiconductor body, at a distance from the contact layer.
US11177392B2 Transistor and semiconductor device
A transistor with small parasitic capacitance can be provided. A transistor with high frequency characteristics can be provided. A semiconductor device including the transistor can be provided. Provided is a transistor including an oxide semiconductor, a first conductor, a second conductor, a third conductor, a first insulator, and a second insulator. The first conductor has a first region where the first conductor overlaps with the oxide semiconductor with the first insulator positioned therebetween; a second region where the first conductor overlaps with the second conductor with the first and second insulators positioned therebetween; and a third region where the first conductor overlaps with the third conductor with the first and second insulators positioned therebetween. The oxide semiconductor including a fourth region where the oxide semiconductor is in contact with the second conductor; and a fifth region where the oxide semiconductor is in contact with the third conductor.
US11177390B2 Transistor having vertical structure and electric device
An electronic device can include a panel; a driver circuit configured to drive the panel; and a transistor disposed in the panel, the transistor including a first electrode disposed on a substrate, an insulation pattern disposed on the substrate, the insulation pattern overlapping with an edge of the first electrode, a second electrode disposed on an upper surface of the insulation pattern, an active layer disposed on the first electrode, the insulation pattern and the second electrode, a gate insulating film disposed on the active layer, and a gate electrode disposed on the gate insulating film, in which a first portion of the active layer overlaps with the first electrode, a second portion of the active layer overlaps with the second electrode, and a channel area of the active layer is between the first portion of the active layer and the second portion of the active layer, and the channel area includes a first channel portion disposed along a side surface of the insulation pattern, and a second channel portion disposed on a portion of the upper surface of the insulation pattern, the second channel portion extending from an edge of the second electrode to the first channel portion.
US11177389B2 Integrated transistors having gate material passing through a pillar of semiconductor material, and methods of forming integrated transistors
Some embodiments include an integrated assembly having a pillar of semiconductor material. The pillar has a base region, and bifurcates into two segments which extend upwardly from the base region. The two segments are horizontally spaced from one another by an intervening region. A conductive gate is within the intervening region. A first source/drain region is within the base region, a second source/drain region is within the segments, and a channel region is within the segments. The channel region is adjacent to the conductive gate and is vertically disposed between the first and second source/drain regions. Some embodiments include methods of forming integrated assemblies.
US11177382B2 FinFET having a relaxation prevention anchor and related methods
A method and structure for mitigating strain loss (e.g., in a FinFET channel) includes providing a semiconductor device having a substrate having a substrate fin portion, an active fin region formed over a first part of the substrate fin portion, a pickup region formed over a second part of the substrate fin portion, and an anchor formed over a third part of the substrate fin portion. In some embodiments, the substrate fin portion includes a first material, and the active fin region includes a second material different than the first material. In various examples, the anchor is disposed between and adjacent to each of the active fin region and the pickup region.
US11177381B2 Semiconductor device and method for manufacturing same
A semiconductor device includes a semiconductor part, a first electrode, a plurality of control electrodes and a second electrode. The semiconductor part has a plurality of first trenches and a second trench. The plurality of first trenches are spaced from each other and arranged around the second trench. The first electrode is provided above the semiconductor part. The first electrode is provided over the plurality of first trenches and the second trench. The control electrodes are provided in the first trenches, respectively. The control electrodes each are electrically isolated from the semiconductor part by a first insulating film. The second electrode is provided in the second trench. The second electrode is electrically isolated from the semiconductor part by a second insulating film and electrically connected to the first electrode.
US11177375B2 Quantum dot devices with top gates
Disclosed herein are quantum dot devices, as well as related computing devices and methods. For example, in some embodiments, a quantum dot device may include: a quantum well stack; a plurality of gates disposed on the quantum well stack; and a top gate at least partially disposed on the plurality of gates such that the plurality of gates are at least partially disposed between the top gate and the quantum well stack.
US11177373B2 Method for manufacturing semiconductor device
A semiconductor device is manufactured with high mass productivity at low cost. Yield in a manufacturing process of the semiconductor device is improved. An island-shaped metal oxide layer is formed over a substrate, a resin layer is formed over the metal oxide layer to cover an end portion of the metal oxide layer, and the metal oxide layer and the resin layer are separated by light irradiation. After forming the resin layer and before the light irradiation, an insulating layer is formed over the resin layer. For example, the resin layer is formed in an island shape and the insulating layer is formed to cover an end portion of the resin layer. In the case where an adhesive layer is formed over the resin layer, the adhesive layer is preferably formed to be located inward from the end portion of the metal oxide layer.
US11177367B2 Self-aligned bottom spacer EPI last flow for VTFET
A method is presented for forming a vertical transport field effect transistor (VTFET). The method includes forming a plurality of fins over a substrate, depositing a sacrificial material adjacent the plurality of fins, forming self-aligned spacers adjacent the plurality of fins, removing the sacrificial material to define openings under the self-aligned spacers, filling the openings with bottom spacers, depositing an interlayer dielectric (ILD) after patterning, laterally etching the substrate such that bottom surfaces of the plurality of fins are exposed, the lateral etching defining cavities within the substrate, and filling the cavities with an epitaxial material such that epitaxial regions are defined each having a symmetric tapered shape under a twin-fin structure. The single fin device can be formed through additional patterning and bottom epi under the single fin device that has an asymmetric tapered shape.
US11177359B2 Semiconductor device and manufacturing method of semiconductor device
A semiconductor device includes a semiconductor substrate, a gate electrode disposed over the semiconductor substrate and extending in a first direction, a dummy gate electrode disposed over the semiconductor substrate away from the gate electrode and extending in the first direction, a first semiconductor area of a first conductive type disposed in a surface layer portion of the semiconductor substrate between the gate electrode and the dummy gate electrode, and a conductor electrically connecting the first semiconductor area with the dummy gate electrode.
US11177358B2 Semiconductor device including source/drain epitaxial layer having facets and manufacturing method thereof
A semiconductor device includes a fin structure disposed over a substrate, wherein the fin structure including a channel layer and extending in a first direction, a gate structure including a gate electrode layer and a gate dielectric layer, sidewall spacers disposed on opposite side faces of the gate structure, and a source/drain structure including an epitaxial layer having at least seven facets in a cross section along the first direction.
US11177355B2 Semiconductor structure and manufacturing method thereof
The present disclosure provides a semiconductor structure. The semiconductor structure includes a circuit region, a seal ring region and an assembly isolation region. The circuit region includes a first conductive layer. The seal ring region includes a second conductive layer. The assembly isolation region is between the circuit region and the seal ring region. The first conductive layer and the second conductive layer respectively include a portion extending into the assembly isolation region thereby forming an electric component in the assembly isolation region.
US11177348B2 Silicon carbide semiconductor device
In a SiC-MOSFET, to increase the threshold voltage while reducing the channel resistance is difficult. And, when the channel resistance is lowered, the reliability may be reduced in such a manner that a current may flow when the device is turned off and malfunction may occur when the device is used as a normally-off device. According to the present invention, the threshold voltage is increased while the channel resistance is reduced, and reliability when used as a normally-off device is improved by adding at least any of sulfur, selenium, and tellurium to the channel region of the SiC MOSFET.
US11177342B1 Schottky diode with multiple guard ring structures
A Schottky diode with multiple guard ring structures includes a semiconductor base layer, a back metal layer, an epitaxial layer, a dielectric layer, a first metal layer, a passivation layer and a second metal layer. The epitaxial layer on the semiconductor base layer includes a terminal trench structure, a first ion implantation guard ring, a second ion implantation guard ring and a third ion implantation guard ring. The dielectric layer is on the epitaxial layer in a termination area. The first metal layer is on the terminal trench structure and the dielectric layer. The passivation layer is on the first metal layer and the dielectric layer. The second metal layer is on the first metal layer and the passivation layer. Widths of the first, second and third ion implantation guard rings decrease in order, so that the voltage can be distributed step by step.
US11177340B2 Display device and method for manufacturing the same
A display device includes a light-emitting element disposed in a display area. A connection pad is disposed in a bonding area of a non-display area. The connection pad includes a lower conductive layer, an intermediate conductive layer disposed on the lower conductive layer and an upper conductive layer disposed on the intermediate conductive layer. A lower surface of the upper conductive layer directly contacts an upper surface of the intermediate conductive layer without an intermediate member disposed therebetween.
US11177338B2 Display device having peripheral common voltage line
A display device includes: a substrate including a display area at which a pixel including a light emitting element is located and a peripheral area surrounding the display area; and a common voltage line on the substrate, the common voltage line configured to provide a common voltage to the pixel, the common voltage line including: a peripheral common voltage line on the peripheral area of the substrate to surround the display area and connected to a common electrode of the light emitting element; and a plurality of display common voltage lines crossing the display area and each contacting different portions of the peripheral common voltage line, the display common voltage lines being spaced apart from the common electrode of the light emitting element.
US11177334B2 Display substrate, display panel and method of fabricating display substrate
A display substrate, display panel, and method of fabricating the display substrate. The display substrate includes: a first thin film transistor on a substrate; a second thin film transistor on the substrate and on the same side of the substrate as first thin film transistor; a light blocking structure between the substrate and an active region of first thin film transistor. The light blocking structure is configured to block at least a portion of light incident on the active region of first thin film transistor, such that a ratio of area of an illuminated portion of the active region of first thin film transistor to an area of the active region of first thin film transistor is less than a ratio of area of an illuminated portion of an active region of second thin film transistor to an area of the active region of second thin film transistor.
US11177332B2 TFT array substrate requiring fewer masks and method for manufacturing the same and OLED display panel
A TFT array substrate and a method for manufacturing the same and an OLED display panel are provided. The method for manufacturing the TFT array substrate uses a mask to form an active pattern, a gate, a first electrode, a via and an opening in an interlayer dielectric layer and a gate insulating layer, a source, a drain, an opening in a planarization layer, and a spacer, respectively. The number of required masks is small and the processes are simple, which effectively improves the production efficiency and reduces the product cost.
US11177331B2 Semiconductor device and display device having the same
A semiconductor device includes: a semiconductor chip including a substrate having a first surface and a second surface, which are opposite to each other; a through hole penetrating the substrate; a first conductive pad on the first surface of the substrate; a first bump formed over and electrically connected to the first conductive pad; a second conductive pad on the second surface of the substrate; a second bump formed over and electrically connected to the second conductive pad; and a connection electrode buried in the through hole, the connection electrode electrically connecting the first bump and the second bump.
US11177330B2 Organic light emitting display panel including a plurality organic and inorganic layers
An organic light emitting display panel including a first electrode, a second electrode on the first electrode, an organic layer between the first electrode and the second electrode and including at least one light emitting layer, an organic cover layer disposed on the second electrode, a lower layer between the organic cover layer and the second electrode and including a first layer, a second layer, and a third layer, which are different from each other and are sequentially stacked, and an upper layer on the organic cover layer. The first layer contacts the second electrode. The second layer and the third layer each include a silicon compound.
US11177329B2 Viewing angle color shift control
Display structures for controlling viewing angle color shift are described. In various embodiments, polarization sensitive diffusers, independent controlled cathode thicknesses, filtermasks, touch detection layers, and color filters are described.
US11177328B2 Touch panel
A flexible touch panel is provided. Both reduction in thickness and high sensitivity of a touch panel are achieved. The touch panel includes a first flexible substrate, a first insulating layer over the first substrate, a transistor and a light-emitting element over the first insulating layer, a color filter over the light-emitting element, a pair of sensor electrodes over the color filter, a second insulating layer over the sensor electrodes, a second flexible substrate over the second insulating layer, and a protective layer over the second substrate. A first bonding layer is between the light-emitting element and the color filter. The thickness of the first substrate and the second substrate is each 1 μm to 200 μm inclusive. The first bonding layer includes a region with a thickness of 50 nm to 10 μm inclusive.
US11177324B2 Display component, display device and display control method
A display component, a display device and a display control method are provided. The display component includes a plurality of sub-pixel units arranged in a matrix; an inter-transmission connection portion; and a control portion, wherein each sub pixel unit includes a storage capacitor and an inter-transmission switching element, in each sub-pixel unit, the storage capacitor is connected to the inter-transmission connection portion via the inter-transmission switching element, the control portion is configured to execute at least one inter-transmission operation in one frame period.
US11177321B2 Resistive random access memories and method for fabricating the same
A resistive random access memory is provided. The resistive random access memory includes a substrate, a first electrode formed on the substrate, a second electrode formed on the substrate and located on one side of the first electrode, a first metal oxide layer formed on sidewalls of the second electrode, a first control layer formed between the first electrode and the first metal oxide layer, and a second control layer formed on the first control layer and located between the first electrode and the first metal oxide layer.
US11177317B2 Power harvesting for integrated circuits
Integrated circuit devices which include a thermoelectric generator which recycles heat generated by operation of an integrated circuit, into electrical energy that is then used to help support the power requirements of that integrated circuit. Roughly described, the device includes an integrated circuit die having an integrated circuit thereon, the integrated circuit having power supply terminals for connection to a primary power source, and a thermoelectric generator structure disposed in sufficient thermal communication with the integrated circuit die so as to derive, from heat generated by the die, a voltage difference across first and second terminals of the thermoelectric generator structure. A powering structure is arranged to help power the integrated circuit, from the voltage difference across the first and second terminals of the thermoelectric generator. The thermoelectric generator can include IC packaging material that is made from thermoelectric semiconductor materials.
US11177313B2 Imaging system and imaging method
An imaging system includes an imaging optical system, an imaging device, an actuator, and control circuitry. The actuator changes a relative position of a plurality of pixel cells and an image of a subject. The pixel cells include a photoelectric converter and a charge accumulation region. The control circuitry sets the relative position to a first position, and a first signal charge obtained at the photoelectric converter during a first exposure is accumulated in the charge accumulation region. The relative position is set to a second position different from the first position, and a second signal charge obtained at the photoelectric converter during a second exposure time that is different from the first exposure time is accumulated in the charge accumulation region in addition to the first signal charge.
US11177310B2 Solid-state image pickup device
A solid-state image pickup device capable of suppressing the generation of dark current and/or leakage current is provided. The solid-state image pickup device has a first substrate provided with a photoelectric converter on its primary face, a first wiring structure having a first bonding portion which contains a conductive material, a second substrate provided with a part of a peripheral circuit on its primary face, and a second wiring structure having a second bonding portion which contains a conductive material. In addition, the first bonding portion and the second bonding portion are bonded so that the first substrate, the first wiring structure, the second wiring structure, and the second substrate are disposed in this order. Furthermore, the conductive material of the first bonding portion and the conductive material of the second bonding portion are surrounded with diffusion preventing films.
US11177309B2 Image sensor with pad structure
The present disclosure relates to an image sensor with a pad structure formed during a front-end-of-line process. The pad structure can be formed prior to formation of back side deep trench isolation structures and metal grid structures. An opening is formed on a back side of the image sensor device to expose the embedded pad structure and to form electrical connections.
US11177308B2 CMOS sensors and methods of forming the same
CMOS sensors and methods of forming the same are disclosed. The CMOS sensor includes a semiconductor substrate, a plurality of dielectric patterns, a first conductive element and a second conductive element. The semiconductor substrate has a pixel region and a circuit region. The dielectric patterns are disposed between the first portion and the second portion, wherein top surfaces of the plurality of dielectric patterns are lower than top surfaces of the first and second portions. The first conductive element is disposed below the plurality of dielectric patterns. The second conductive element inserts between the plurality of dielectric patterns to electrically connect the first conductive element.
US11177307B2 Stacked semiconductor dies with a conductive feature passing through a passivation layer
A semiconductor device structure is provided. The semiconductor device structure includes a first semiconductor die, and a second semiconductor die bonded on the first semiconductor die. A through-substrate via penetrates through a semiconductor substrate of the second semiconductor die. A passivation layer is disposed between the first semiconductor die and the second semiconductor die, wherein the passivation layer is directly bonded to the semiconductor substrate of the second semiconductor die. A conductive feature passes through the passivation layer, wherein the conductive feature is bonded to the through-substrate via. A barrier layer is disposed between the conductive feature and the passivation layer. The barrier layer covers sidewalls of the conductive feature and separates the surface of the conductive feature from a nearest neighboring surface of the first or second semiconductor die.
US11177306B2 Support structure for integrated circuitry
Among other things, one or more support structures for integrated circuitry and techniques for forming such support structures are provided. A support structure comprises one or more trench structures, such as a first trench structure and a second trench structure formed around a periphery of integrated circuitry. In some embodiments, one or more trench structures are formed according to partial substrate etching, such that respective trench structures are formed into a region of a substrate. In some embodiments, one or more trench structures are formed according to discontinued substrate etching, such that respective trench structures comprise one or more trench portions separated by separation regions of the substrate. The support structure mitigates stress energy from reaching the integrated circuitry, and facilitates process-induced charge release from the integrated circuitry.
US11177301B2 Reliable semiconductor packages
A method for forming a semiconductor package is disclosed. The method includes providing a package substrate having top and bottom major package substrate surfaces, the top major package surface including a die attach region. A die having first and second major die surfaces is attached onto the die attach region. The second major die surface is attached to the die attach region. The first major die surface includes an die active region and a cover adhesive region surrounding the die active region. The method also includes applying a cover adhesive to the cover adhesive region on the first major die surface. A protective cover with first and second major cover surfaces and side surfaces is attached to the die using the cover adhesive. The second major cover surface contacts the cover adhesive. The protective cover covers the die active region. The protective cover includes a discontinuity on at least one of the side surfaces. An encapsulant is disposed on the package substrate to cover exposed portions of the package substrate, die and bond wires and side surfaces of the protective cover, while leaving the first major cover surface exposed. The discontinuity enhances adhesion of the encapsulant to the protective cover.
US11177298B2 TFT driving backplane
Provided is a TFT driving backplane including, in top-to-bottom order, a sub-data line, a first insulating layer, a top capacitor plate, a second insulating layer and a bottom capacitor plate. In one side of the top capacitor plate is provided a notch filled upward by the first insulating layer provided with a first via extending vertically downward to the bottom capacitor plate. By moving the position where the sub-data line and the bottom capacitor plate are connected away from the top capacitor plate, holing is not required to be performed at the center of the capacitor and two-step opening alignment is avoided. Consequently, the requirement for alignment precision in photolithography is less critical, and the deviation due to two-step opening alignment is prevented. Meanwhile, by designing the margin and the one-way deviation, the short circuit in the capacitor can be avoided, and the effective capacitive area can be increased.
US11177295B2 Array substrate, manufacturing method thereof and display device
An array substrate and display device are disclosed. The array substrate includes signal lines; IC connection lines; the IC connection lines include at least two IC connection line groups, the at least two IC connection line groups include a first IC connection line group and a second IC connection line group, the base substrate further includes a dummy area, the dummy area is provided with a floating pattern, the dummy area includes a separation area and two sub-dummy areas, an extending line of the signal line corresponding to a first IC connection line and an extending line of the signal line corresponding to a second IC connection line respectively fall into the separation area, at least in the separation area, the floating pattern only includes first floating lines substantially extending along the second direction.
US11177292B2 Display device
The present disclosure relates to a display panel including: a substrate including an active area for displaying an image, and a non-active area surrounding the active area; and a plurality of gate driving circuits arranged in the non-active area of the substrate, wherein the non-active area includes a straight portion and a corner portion, and the plurality of gate driving circuits is arranged only in the straight portion of the non-active area.
US11177290B2 Semiconductor device and display device
A semiconductor device including a circuit which does not easily deteriorate is provided. The semiconductor device includes a first transistor, a second transistor, a first switch, a second switch, and a third switch. A first terminal of the first transistor is connected to a first wiring. A second terminal of the first transistor is connected to a second wiring. A gate and a first terminal of the second transistor are connected to the first wiring. A second terminal of the second transistor is connected to a gate of the first transistor. The first switch is connected between the second wiring and a third wiring. The second switch is connected between the second wiring and the third wiring. The third switch is connected between the gate of the first transistor and the third wiring.
US11177288B2 Display device comprising a plurality of thin film transistors and method for manufacturing the same
A display device can include a pixel driver disposed on a substrate; and a display element electrically connected with the pixel driver, in which the pixel driver includes a first thin film including a first semiconductor layer, a first gate electrode, at least a part of the first gate electrode overlapping with the first semiconductor layer, and a first source electrode and a first drain electrode respectively connected with the first semiconductor layer; and a second thin film including a second semiconductor layer, a second gate electrode, at least a part of the second gate electrode overlapping with the second semiconductor layer, and a second source electrode and a second drain electrode respectively connected with the second semiconductor layer, in which the first semiconductor layer and the second semiconductor layer are disposed in different layers, and the first source electrode, the first drain electrode, the second gate electrode, the second source electrode, and the second drain electrode are disposed in a same layer.
US11177284B2 Ferroelectric memory devices containing a two-dimensional charge carrier gas channel and methods of making the same
A ferroelectric memory device includes a two-dimensional electron gas channel, a gate electrode, and a ferroelectric element located between the gate electrode and the two-dimensional electron gas channel.
US11177281B2 Fabrication method for a 3-dimensional NOR memory array
A process for manufacturing a 3-dimensional memory structure includes: (a) providing one or more active layers over a planar surface of a semiconductor substrate, each active layer comprising (i) first and second semiconductor layers of a first conductivity; (ii) a dielectric layer separating the first and second semiconductor layer; and (ii) one or more sacrificial layers, at least one of sacrificial layers being adjacent the first semiconductor layer; (b) etching the active layers to create a plurality of active stacks and a first set of trenches each separating and exposing sidewalls of adjacent active stacks; (c) filling the first set of trenches by a silicon oxide; (d) patterning and etching the silicon oxide to create silicon oxide columns each abutting adjacent active stacks and to expose portions of one or more sidewalls of the active stacks; (e) removing the sacrificial layers from exposed portions of the sidewalls by isotropic etching through the exposed portions of the sidewalls of the active stacks to create corresponding cavities in the active layers; (f) filling the cavities in the active stacks by a metallic or conductor material; (g) recessing the dielectric layer from the exposed sidewalls of the active stacks; and (h) filling recesses in the dielectric layer by a third semiconductor layer of a second conductivity opposite the first conductivity.
US11177279B2 Formation of termination structures in stacked memory arrays
In an example, a method of forming a stacked memory array includes forming a stack of alternating first and second dielectrics, forming a termination structure through the stack, the termination structure comprising a dielectric liner around a conductor, forming a set of contacts concurrently with forming the termination structure, forming a third dielectric over an upper surface of the stack and an upper surface of the termination structure, forming a first opening through the third dielectric and the stack between first and second groups of semiconductor structures so that the first opening exposes an upper surface of the conductor, and removing the conductor from the termination structure to form a second opening lined with the dielectric liner. In some examples, the dielectric liner can include a rectangular or a triangular tab or a pair of prongs that can have a rectangular profile or that can be tapered.
US11177278B2 Memory arrays and methods used in forming a memory array comprising strings of memory cells
A memory array comprising strings of memory cells comprises a vertical stack comprising alternating insulative tiers and conductive tiers. Channel-material strings of memory cells are in the stack. The channel-material strings project upwardly from material of an uppermost of the tiers. A first insulator material is above the material of the uppermost tier directly against sides of channel material of the upwardly-projecting channel-material strings. The first insulator material comprises at least one of (a) and (b), where (a): silicon, nitrogen, and one or more of carbon, oxygen, boron, and phosphorus, and (b): silicon carbide. Second insulator material is above the first insulator material. The first and second insulator materials comprise different compositions relative one another. Conductive vias in the second insulator material are individually directly electrically coupled to individual of the channel-material strings. Other embodiments, including methods, are disclosed.
US11177277B2 Word line architecture for three dimensional NAND flash memory
A non-volatile memory apparatus is provided and includes a substrate having a major surface extending longitudinally. A stack of first and second sets of word lines and insulating layers extends along and over the major surface longitudinally and alternating with and overlying one another vertically to define a device region. The first and second sets of word lines each respectively extends longitudinally beyond a first and second side of the device region a decreasing longitudinal distance from the device region as a vertical distance from the major surface increases to define first and second stepped contact regions. Word line contacts extend vertically in the first and second stepped contact regions. The second set of word lines in the first stepped contact region do not contact the word line contacts and the first set of word lines in the second stepped contact region do not contact the word line contacts.
US11177276B2 Conductive structures, assemblies having vertically-stacked memory cells over conductive structures, and methods of forming conductive structures
Some embodiments include a conductive structure of an integrated circuit. The conductive structure includes an upper primary portion, with the upper primary portion having a first conductive constituent configured as a container. The container has a bottom, and a pair of sidewalls extending upwardly from the bottom. An interior region of the container is over the bottom and between the sidewalls. The upper primary portion includes a second conductive constituent configured as a mass filling the interior region of the container. The second conductive constituent is a different composition than the first conductive constituent. One or more conductive projections join to the upper primary portion and extend downwardly from the upper primary portion. Some embodiments include assemblies comprising memory cells over conductive structures. Some embodiments include methods of forming conductive structures.
US11177274B2 Vertical non-volatile memory device, method of fabricating the same device, and electric-electronic system having the same device
Provided is a vertical non-volatile memory device having a metal source line. The vertical non-volatile memory device includes cell string units that are formed on first portions of a semiconductor substrate and are vertically arranged with respect to a surface of the semiconductor substrate, impurity regions formed on second portions of the semiconductor substrate between the cell string units, conductive lines formed on the impurity regions, and spacers that are formed on the sidewalls of the cell string units and insulate the conductive lines from the cells string units.
US11177269B2 Memory arrays and methods used in forming a memory array
A method used in forming a memory array comprising strings of memory cells comprises forming a stack comprising vertically-alternating insulative tiers and wordline tiers. First charge-blocking material is formed to extend elevationally along the vertically-alternating tiers. The first charge-blocking material has k of at least 7.0 and comprises a metal oxide. A second charge-blocking material is formed laterally inward of the first charge-blocking material. The second charge-blocking material has k less than 7.0. Storage material is formed laterally inward of the second charge-blocking material. Insulative charge-passage material is formed laterally inward of the storage material. Channel material is formed to extend elevationally along the insulative tiers and the wordline tiers laterally inward of the insulative charge-passage material. Structure embodiments are disclosed.
US11177267B2 Semiconductor structure and manufacturing method thereof
A semiconductor structure includes a substrate; a first dielectric layer disposed over the substrate; a transistor disposed within the first dielectric layer; a second dielectric layer disposed over the first dielectric layer; and a capacitor disposed within the second dielectric layer and electrically connected to the transistor, wherein the capacitor includes a first electrode, a dielectric stack disposed over the first electrode, and a second electrode disposed over the dielectric stack, the dielectric stack includes a ferroelectric layer and an electrostrictive layer. Further, a method of manufacturing a semiconductor structure includes disposing an electrostrictive material over a first electrode layer; disposing a ferroelectric material over the first electrode layer; removing a portion of the ferroelectric material to form the ferroelectric material; and removing a portion of the electrostrictive material to form the electrostrictive layer.
US11177264B2 Semiconductor devices including a gate structure having multiple widths
Semiconductor devices are provided. A semiconductor device includes a substrate including a plurality of active regions that extend longitudinally in a direction and an isolation region that electrically isolates the plurality of active regions from each other. The semiconductor device includes a gate trench that extends across the plurality of active regions and the isolation region. The semiconductor device includes a gate structure that extends in the gate trench. The semiconductor device includes a gate dielectric layer that is between the gate trench and the gate structure, in each of the plurality of active regions. The gate structure has a first width in the direction in each of the plurality of active regions and has a second width in the direction in the isolation region that is different from the first width.
US11177263B2 Semiconductor device and method of manufacturing the same
A semiconductor device includes a lower electrode on a substrate, a capacitor dielectric layer on the lower electrode, and an upper electrode on the capacitor dielectric layer. The capacitor dielectric layer includes a base layer on the lower electrode and a dielectric particle layer in at least a portion of the base layer. The base layer includes a first dielectric material, and the dielectric particle layer extends at least partially continuously along a thickness direction of the capacitor dielectric layer and includes a second dielectric material different from the first dielectric material.
US11177257B2 Fabrication of field effect transistors with different threshold voltages through modified channel interfaces
A method of fabricating a plurality of field effect transistors with different threshold voltages, including forming a cover layer on a channel region in a first subset, forming a first sacrificial layer on two or more channel regions in a second subset, forming a second sacrificial layer on one of the two or more channel regions in the second subset, removing the cover layer from the channel region in the first subset, forming a first dummy dielectric layer on the channel region in the first subset, and forming a second dummy dielectric layer on the first dummy dielectric layer and the first sacrificial layer on the channel region in the second subset.
US11177256B2 Odd-fin height cell regions, semiconductor device having the same, and method of generating a layout diagram corresponding to the same
A semiconductor device includes fins extending substantially parallel to a first direction, at least one of the fins being a dummy fin; and at least one of the fins being an active fin; and at least one gate structure formed over corresponding ones of the fins and extending substantially parallel to a second direction, the second direction being substantially perpendicular to the first direction; wherein the fins and the at least one gate structure are located in a cell region which includes an odd number of fins. In an embodiment, the cell region is substantially rectangular and has first and second edges which are substantially parallel to the first direction; and neither of the first and second edges overlaps any of the fins.
US11177254B2 Stacked transistor device
Logic devices and methods of forming logic devices are described. An epitaxial channel is formed orthogonally to a horizontal plane of a substrate surface with a stack or horizontal transistors on the substrate surface. The first horizontal transistor having a first length and a first step, the second horizontal transistor having a second length and a second step and a third horizontal transistor has a third length and a third step. Each of the horizontal transistors is separated from adjacent layers by a horizontal isolation layer.
US11177253B2 Transistor with integrated capacitor
An electronic device includes a MOS transistor with a source and a drain, and a capacitor with a first plate connected directly to the source, and a second plate connected directly to the drain. A method to fabricate an electronic device includes fabricating a MOS transistor on or in a semiconductor structure, and fabricating a capacitor having a first plate connected directly to a source of the MOS transistor, and a second plate connected directly to a drain of the MOS transistor.
US11177244B2 Display apparatus
[Object] To provide a display apparatus that makes it possible to improve visibility. [Solution] A display apparatus according to an embodiment of the present disclosure includes: a display body device including a plurality of pixels, the plurality of pixels each including a plurality of light-emitting elements as light source elements; and an irregular structure formed on a front surface of the display body device.
US11177235B2 Semiconductor device with improved signal transmission characteristics
The semiconductor device includes a solder ball connected to a pad, and located below the pad, a first wiring electrically connected to the pad, and located above the pad, and a second wiring electrically connected to the first wiring. At this time, a width of the first wiring is greater than a width of the second wiring. Accordingly, high-frequency noise can be reduced while improving signal transmission characteristics.
US11177233B2 Solder pads of variable thickness in an optoelectronic semiconductor chip, on a connection substrate for mounting a semiconductor chip, method of producing an optoelectronic component, and optoelectronic component having the solder pads
An optoelectronic semiconductor chip includes a rear side with a center and with two contact points for electrical contacting of the semiconductor chip, the contact points being spaced apart from one another, and two solder pads arranged on the contact points, wherein the center is located in a region between the contact points, the solder pads protrude from the rear side and are exposed, and on average, the solder pads are thicker further away from the center than in the vicinity of the center or vice versa.
US11177222B2 Semiconductor packages and associated methods with antennas and EMI isolation shields
Semiconductor devices with antennas and electromagnetic interference (EMI) shielding, and associated systems and methods, are described herein. In one embodiment, a semiconductor device includes a semiconductor die coupled to a package substrate. An antenna structure is disposed over and/or adjacent the semiconductor die. An electromagnetic interference (EMI) shield is disposed between the semiconductor die and the antenna structure to shield at least the semiconductor die from electromagnetic radiation generated by the antenna structure and/or to shield the antenna structure from interference generated by the semiconductor die. A first dielectric material and/or a thermal interface material can be positioned between the semiconductor die and the EMI shield, and a second dielectric material can be positioned between the EMI shield and the antenna structure. In some embodiments, the semiconductor device includes a package molding over at least a portion of the antenna, the EMI shield, and/or the second dielectric material.
US11177221B2 Semiconductor device package and method of manufacturing the same
A semiconductor device package includes a first carrier, a first electronic component, a second electronic component, a second carrier and an electrical connection structure. The first carrier has a first surface and a second surface opposite to the first surface. The first electronic component is disposed on the first surface of the first carrier. The second electronic component is disposed on the second surface of the first carrier. The second carrier has a first surface facing the second surface of the first carrier and a second surface opposite to the first surface. The electrical connection structure is electrically connecting the first carrier with the second carrier.
US11177220B2 Vertical and lateral interconnects between dies
Electronics devices, having vertical and lateral redistribution interconnects, are disclosed. An electronics device comprises an electronics component (e.g., die, substrate, integrated device, etc.), a die(s), and a separately formed redistribution connection layer electrically coupling the die(s) to the electronics component. The redistribution connection layer comprises dielectric layers on either side of at least one redistribution layer. The dielectric layers comprise openings that expose contact pads of the at least one redistribution layer for electrically coupling die(s) and components to each other via the redistribution connection layer. The redistribution connection layer is flexible and wrap/folded around side edges of die(s) to minimize vertical vias. Various devices and associated processes are provided.
US11177218B2 Package including metallic bolstering pattern and manufacturing method of the package
A package has a first semiconductor die, a second semiconductor die, a redistribution structure and a metallic bolstering pattern. The second semiconductor die is disposed beside the first semiconductor die and spaced apart from the first semiconductor die with a distance. The redistribution structure is disposed over the first semiconductor die and the second semiconductor die and is electrically connected with the first and second semiconductor dies. The metallic bolstering pattern is disposed between the redistribution structure and the first and second semiconductor dies. The metallic bolstering pattern is disposed on the redistribution structure and located over the first and second semiconductor dies, and the metallic bolstering pattern extends across the distance between the first and second semiconductor dies and extends beyond borders of the first and second semiconductor dies.
US11177217B2 Direct bonded heterogeneous integration packaging structures
Direct bonding heterogeneous integration packaging structures and processes include a packaging substrate with first and second opposing surfaces. A trench or a pedestal is provided in the first surface. A bridge is disposed in the trench or is adjacent the pedestal sidewall, wherein the bridge includes an upper surface coplanar with the first surface of the package substrate. At least two chips in a side by side proximal arrangement overly the bridge and the packaging substrate, wherein the bridge underlies peripheral edges of the at least two chips in the side by side proximal arrangement. The at least two chips include a plurality of electric connections that are directly coupled to corresponding electrical connections on the bridge and on the packaging substrate.
US11177215B2 Integrated circuit device
An integrated circuit device includes a conductive line formed on a substrate, an insulating spacer covering side walls of the conductive line and extending parallel with the conductive line, and a conductive plug that is spaced apart from the conductive line with the insulating spacer therebetween. The insulating spacer includes an insulating liner contacting the conductive line, an outer spacer contacting the conductive plug, and a barrier layer between the insulating liner and the outer spacer to prevent oxygen atoms from diffusing into the outer spacer.
US11177213B2 Embedded small via anti-fuse device
An anti-fuse device having enhanced programming efficiency is provided. The anti-fuse device includes via contact structures that have different critical dimensions located between a first electrode and a second electrode. Notably, a first via contact structure having a first critical dimension is provided between a pair of second via contact structures having a second critical dimension that is greater than the first critical dimension. When a voltage is applied to the device, dielectric breakdown will occur first through the first via contact structure having the first critical dimension.
US11177209B2 Semiconductor memory device and manufacturing method of the semiconductor memory device
There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. A semiconductor memory device includes a lower stack structure on the substrate and including a plurality of lower layers stacked in a vertical direction, an intermediate stack structure on the lower stack structure and including a plurality of intermediate layers stacked in the vertical direction, a plurality of grooves in the contact region and penetrating the intermediate stack structure, the plurality of grooves exposing the lower stack structure at different depths, and a plurality of steps formed along sidewalls of the grooves.
US11177208B2 Interconnect structures and methods of forming the same
Embodiments described herein relate generally to one or more methods for forming an interconnect structure, such as a dual damascene interconnect structure comprising a conductive line and a conductive via, and structures formed thereby. In some embodiments, an interconnect opening is formed through one or more dielectric layers over a semiconductor substrate. The interconnect opening has a via opening and a trench over the via opening. A conductive via is formed in the via opening. A nucleation enhancement treatment is performed on one or more exposed dielectric surfaces of the trench. A conductive line is formed in the trench on the one or more exposed dielectric surfaces of the trench and on the conductive via.