| Document | Document Title |
|---|---|
| US11252849B2 |
Cooling of electronic displays
An electronic display has a housing with different regions and a display panel with a display surface. A cooling module flows internal coolant through the cooling module and the regions. The cooling module has a crossflow heat-exchanger and side walls. The regions and cooling module have an coolant inlet and outlet. The coolant inlets of the regions communicate with the coolant outlet of the cooling module. The coolant outlets of the regions communicate with the coolant inlet of the cooling module. The regions have their own circulating loop of coolant, with flow of coolant being deflected from the outlet of the cooling module towards the coolant inlets of the regions, and flow of coolant from the coolant outlets of the regions being deflected towards the coolant inlet of the cooling module. The coolant flows in parallel over both front and back of the display panel. |
| US11252846B2 |
Ventilation device, ventilation unit, and power conversion device
A ventilation device of an embodiment includes a housing, a shutter case, a fan, and a shutter. The shutter case has an opening. The fan is configured to exhaust air inside the housing to outside through the opening. The shutter partitions inside of the shutter case into a first chamber communicating with the opening and a second chamber different from the first chamber, and opens and closes the opening by a rotating operation. The fan is arranged on a first chamber side of the shutter case in the housing. The first chamber is a positive pressure region of the fan. The second chamber is a negative pressure region of the fan. The second chamber of the shutter case communicates only with the negative pressure region in the housing. The shutter is provided so that a pressure received from the second chamber is smaller than a pressure received from the first chamber. |
| US11252844B2 |
Liquid distribution for electronic racks
According to one embodiment, a liquid distribution system includes a main liquid supply and return unit, a mounting rail that extends along at least a portion of a height of the electronic rack, and a connecting unit that is slidably coupled to the mounting rail and is coupled to the main liquid supply and return unit via a flexible supply line and a flexible return line, the connecting unit is arranged to couple to a piece of information technology (IT) equipment to circulate coolant from the main liquid supply and return unit through the piece of IT equipment to create a heat-transfer loop that transfers thermal energy away from the piece of IT equipment and into the coolant. |
| US11252843B2 |
Adjustable air baffle for system airflow improvement
An air baffle for optimizing thermal performance of memory components provided in a chassis is disclosed. The air baffle has a body and one or more venting units provided on the body. The body is configured to be removably coupled to the chassis. The body covers the memory components when coupled to the chassis. The one or more venting units direct air flowing through the chassis. Each of the venting units includes vent openings and a corresponding number of adjustable venting plates. The vent openings are each aligned with the memory components when the body is coupled to the chassis. Each of the adjustable venting plates have an open position or a closed position. A respective venting plate of the adjustable venting plates in the open position allows airflow through a respective vent opening of the vent openings. The respective venting plate of the adjustable venting plates in the closed position blocks airflow through the respective vent opening of the vent openings. |
| US11252840B2 |
Vapor cooling of electronics
A cooling assembly according to various aspects of the present disclosure includes a housing, an electronic component, a dielectric coolant, and a cover. The housing includes an interior compartment having a basin region in which the electronic component and the coolant are disposed. The coolant undergoes phase change between a liquid state and a gas state. The coolant is in direct contact with the electronic component in the liquid state. The cover component extends transversely through the interior compartment and is coupled to the body. The cover component is disposed in a direction with respect to the basin region. The cover component at least partially defines a port in fluid communication with the basin region. The cover component is configured to permit flow therethrough of the dielectric coolant in the gas state in at least the direction. |
| US11252839B2 |
Computer liquid cooling system
A computer liquid cooling system includes a radiator having a built-in fluid tank, at least one heat exchanger pump and a plurality of fluid conduits. The radiator includes at least one first flow port and at least one second flow port for attachment of the plurality of fluid conduits thereto for actively moving a cooling fluid to and from the at least one heat exchanger pump. Heat generated from a heat generating device is transferred to cooling fluid flowing through the at least one heat exchanger pump, and then output to the radiator. The heated cooling fluid flows through the radiator having the built-in fluid tank, cooling along a plurality of heat exchanger fins. The cooling fluid flows to the heat exchanger pump to once again begin the cooling loop. |
| US11252836B2 |
Communication network performance monitoring and power backup
A power backup method for use in a communication network monitoring device and a communication network monitoring device are provided. The method includes detecting an external power failure to a communication network monitoring device; switching to a backup power source internal to the communication network monitoring device upon detecting the external power failure: and while powered by the backup power source: generating an issue report recording the detected external power failure; communicating the issue report; shutting down operation of the communication network monitoring device after communicating the issue report. |
| US11252835B2 |
Bendable cover, bendable display module, and bendable terminal device
A display module, a terminal device and a bendable cover, where the bendable cover includes a flexible substrate and hard plates. The flexible substrate has a hard area and a bending area. A quantity of hard areas is the same as a quantity of the hard plates, where the hard areas are in a one-to-one correspondence with the hard plates, and each of the hard plates is located on a surface of a corresponding hard area. There is a bending area between two adjacent hard areas. Under an effect of external force, the bendable cover is capable of bending along the bending area. |
| US11252834B2 |
Electronic apparatus
An electronic apparatus includes a display module and an electronic apparatus housing for installing the display module. The electronic apparatus housing includes a housing body and a back cover. The housing body defines a groove in which a first adsorption component and a retaining slot are arranged. The back cover includes a back cover body and a second adsorption component arranged on a first end of the back cover body. The back cover and the housing body are engaged with each other through the adsorption action between the first adsorption component and the second adsorption component, and a cavity structure is formed between a second end of the back cover body and the housing body. |
| US11252833B2 |
Foldable electronic device and hinge module thereof
A hinge module and a foldable electronic device comprising the same are disclosed. The hinge module comprises a support piece. The foldable electronic device comprises a central body, a first panel body, a second panel body, and a flexible screen. When the first panel body and the second panel body are in an unfolded state, the flexible screen is flattened and the support piece is located at the first position for the supporting surface abutting against the bendable area of the flexible screen; and when the first panel body and the second panel body are in a folded state, the bendable area is bent, the support piece is located at the second position, and the support piece, the first panel body, and the second panel body collaboratively form a receiving space for accommodating the bendable area of the flexible screen. |
| US11252828B2 |
Housing and wall mount casing for google nest guard or similar article
A table-top or wall-mount case houses a control box unit for a home security system. A main housing component seats the control box, and a lid or cap fits into (or onto) the main component and holds the control box in place. A circular opening or window in the cap provides access to the keys or buttons of the key pad. A ring of a plastic foam or other yielding resilient material retains the control unit and holds it in position inside the case. A cord opening and a channel or groove are provided in the base for the power or data cord. |
| US11252827B2 |
Display device
A display device is provided. A display device of embodiments the present invention include: an optical panel part disposed in a case part; a display part facing the optical panel part and including a plurality of display units connected to one another, each of the display units having an unpatterned edge formed in the peripheral portion thereof; and a transparent panel part facing the display part. |
| US11252826B2 |
Electronic device including flexible display and method for controlling same
An electronic device and method are disclosed. The electronic device includes a first and second housing movable relative to each other. The second housing supports a flexible display which may be at least partially exposed to an exterior, and at least partially stowed within the first housing based on the movement of the housings. A processor implements the method including detecting movement of the housings such that a visible display area of the display is changed, detecting whether the resizing meets a predetermined condition, and if resizing does not meet the predetermined condition, executing image processing on a portion of the resized visible display area. |
| US11252823B2 |
Manufacturing method of multilayer printed circuit boards
A manufacturing method of multilayer printed circuit boards has steps as follows: aligning circuit layers with a stacking location to form a substrate having multiple positioning portions; pre joining the substrate at the positioning portions; forming an alignment hole in each positioning portion; and placing the pre joined substrate over alignment pins of a press device for lamination. After the circuit layers are aligned, the substrate is pre joined at the positioning portions, and then the alignment holes are formed in the positioning portions for pins alignment at the press device. The alignment accuracy is enhanced. Dusts will not deposit onto surfaces of the circuit layers to damage circuits thereof. |
| US11252816B2 |
Composite with hollow nano-structures and application thereof
A composite with hollow nano-structures includes multiple one dimensional hollow nanowires being dispersed into a polymer film. The polymer film is flexible, a dielectric constant of the one dimensional hollow nanowire is lower than a dielectric constant of the polymer film, and a dielectric constant of the composite is between the dielectric constant of the one dimensional hollow nanowire and the dielectric constant of the polymer film. |
| US11252813B2 |
Multilayer circuit board filter
An advantageous effect of a low-pass filter that reduces high-frequency noise can be obtained by including an input terminal that extends from a front surface to a rear surface of a multilayer circuit board including a double-sided circuit board; a first wiring conductor having an end connected to the input terminal on the rear surface of the multilayer circuit board; a first via that extends from an other end of the first wiring conductor to the front surface of the multilayer circuit board; a second wiring conductor having an end connected to the first via on the front surface of the multilayer circuit board; and a first input capacitor disposed on the second wiring conductor; by being conductive due to the input terminal and the first via being configured in series; and including the first input capacitor. |
| US11252812B2 |
Electronic device module
An electronic device module includes: a substrate; at least one electronic device mounted on a first surface of the substrate; a connection portion mounted on the first surface of the substrate; and a shielding portion disposed along an external surface of the connection portion and electrically connected to a ground of the substrate through at least one connection conductor. |
| US11252809B2 |
Solar lamps with radial elements
A solar-powered lamp is disclosed. The lamp includes a plurality of radiating extensions, each being formed from a plurality of flat panels that can fold relative to each other along lines between respective ones of the plurality of flat panels; and an electronics assembly, wherein the lamp is collapsible, and the flat panels for each of the radiating extensions fold relative to each other as the lamp is collapsed. |
| US11252803B2 |
Operating device with staggered protection circuits against overvoltage and overcurrent and antenna for driving intelligent lamps and lighting appliances
In order to achieve a universal, flexible and highly integrated operating device for driving various lamps, ensuring the protection of the entire operating device and of the appliances connected thereto by means of staggered protective measures at both the input and the output, starting from the preamble of claim 1, a first branch for connecting a lamp to a first of the interface circuits (SS1) and a second branch for connecting at least one communication module to a second of the interface circuits (SS2) are connected to the coarse protection circuit (G) which short-circuits an overvoltage of the mains voltage occurring at the input of the operating device. In the first branch, a line filter (NF) is connected to the coarse protection circuit (G) and a clamp circuit (K) consisting of the fine protection circuit (F) and of a first energy absorber (E1) is connected to the line filter (NF). When the residual pulse voltage is too high, the fine protection circuit (F) activates the first energy absorber (E1), the overvoltage pulse is short-circuited and the short-circuit is deactivated again when the mains voltage reaches the next zero crossing. A second energy absorber (E2) which, when it is switched on, limits the current with the aid of a temperature-dependent resistor (NTC), is connected to the first energy absorber (E1). Moreover, the first interface circuit (SS1) comprises a protection circuit (ÜS) against overvoltage and overcurrent, and an intermediate protection circuit (M) consisting of a transmitter (Ü) and of a first fine protection circuit (F1) is connected to the coarse protection circuit (G) in the second branch. A filter (FK) for separating communication signals fed in parallel into the power supply grid is connected to the first fine protection circuit (F) and a second fine protection circuit (F2) is connected to this filter (FK). In order to protect the second interface circuit (SS2) of the operating device from overvoltage and overcurrent coming from the communication module and acting upon the operating device, the second interface circuit (SS2) comprises a protection circuit (ÜS) against overvoltage and overcurrent. The invention is used in the field of protection systems against overvoltage. |
| US11252794B2 |
Systems, devices, and methods for controlling an LED light source based on a color temperature scale factor
A light fixture is configured to produce an output via a driver circuit to drive an array of LED light sources. Controlling the light fixture includes receiving a first light intensity value related to a light intensity value for the array of LED light sources, determining a first dimming curve based on the first light intensity value and a color temperature value to determine a first value, receiving a second light intensity value related to a light intensity value for the array of LED light sources at which the color temperature value for the output of the light fixture is achieved, wherein the second light intensity value is different than the first light intensity value, determining a second dimming curve based on the second light intensity value and the color temperature value to determine a second value, wherein the second dimming curve is different than the first dimming curve. |
| US11252791B2 |
Controller and home appliance having automatic opening structure
A control method includes controlling a lever, a pusher and a motor so as to arrange the same in a correct position when electric power is supplied to the home appliance, or the user turns on the home appliance. Abnormalities involving an automatic opening of the door through changes in a return/stop switch and an opening sensing switch while the motor operates so as to open the door may be confirmed. |
| US11252786B2 |
IoT networking extension with bi-directional packet relay
An Internet of Things (IoT) device includes a transceiver to transmit and receive data packets. The IoT device also includes a controller to alternate between upstream and downstream relaying of data packets via the transceiver. |
| US11252779B2 |
Physical location management for voice over packet communication
Methods and systems are described for voice over packet communications. |
| US11252775B2 |
Session management method and apparatus
Embodiments of the present disclosure disclose a session management method and an apparatus. The technology is specifically related to sending, by user equipment, a NAS message to an AGF, where the NAS message includes a PDU session establishment request message used to request to establish a PDU session, receiving, by the user equipment, a PDU session establishment accept message returned by a network side device, and establishing, by the user equipment, an access session with the AGF, where the access session is an access session related to the PDU session. The user equipment sends the NAS message to establish the PDU session, and establishes the access session with the AGF. Because the access session is related to the PDU session, the user equipment can map the PDU session to the access session, so that the user equipment accesses a 5G CN through a fixed network. |
| US11252772B2 |
Single transmitter switching for dual connectivity
Methods, systems, and devices for wireless communications are described. In some cases, a user equipment (UE) may identify, for a carrier aggregation (CA) configuration including a primary cell and one or more secondary cells, a first frame structure configuration for the primary cell and a second frame structure configuration for a secondary cell of the one or more secondary cells. The UE may receive, from a base station, a downlink communication on the secondary cell. The UE may determine a feedback timing for the secondary cell based on the first frame structure configuration for the primary cell and the second frame structure configuration for the secondary cell. The UE may transmit, in response to the received downlink communication, feedback to the base station according to the feedback timing. |
| US11252768B2 |
Non-transitory computer-readable recording medium storing computer-readable instructions for terminal device and communication device
A terminal device may acquire a first identifier identifying a first AP from an OS program in a case where a first wireless connection has been established with the first AP, send a search instruction to a communication device using a second wireless connection in a case where the second wireless connection is established with the communication device, receive search result information including N identifiers identifying N access points from the communication device, and determine whether the first identifier exists in the N identifiers. The terminal device may send a first connection instruction including the first identifier to the communication device in a case where it is determined that the first identifier exists, and send a second connection instruction including a second identifier to the communication device in a case where it is determined that the first identifier does not exist. |
| US11252766B2 |
Data transmission method and communications device
The present disclosure relates to data transmission methods and communications devices. One example communications device includes a transceiver. The transceiver is configured to send a transmission frame to a second communications device, where the second communications device acquires data information in the transmission frame, and the transmission frame includes a first part and a second part. The transceiver is configured to send the first part of the transmission frame by using a first quantity of subcarriers. The transceiver is configured to send the second part of the transmission frame by using a second quantity of subcarriers, where the first quantity is not equal to the second quantity. The transceiver is further configured to perform a next time of information transmission with the second communications device. |
| US11252762B2 |
Multicarrier communications employing time alignment timers
Wireless communications for a plurality of cell groups are described. Uplink transmissions, such as uplink transport blocks, hybrid automatic repeat request (HARQ) transmission, and/or channel state information transmission, may be based on one or more time alignment timers associated with a cell group. |
| US11252761B2 |
Method and apparatus for random access
A method and an apparatus for random access are provided. The method includes: a network device receives a plurality of random access signals on a plurality of predetermined resources, wherein one predetermined resource of the plurality of predetermined resources corresponds to one random access signal of the plurality of random access signals; the network device determines a radio network temporary identifier (RNTI) according to the plurality of predetermined resources; and the network device transmits a random access response of the plurality of random access signals scrambled through the RNTI. |
| US11252758B2 |
Information processing apparatus, and signal transmission control method
To improve utilization efficiency of media by an information processing apparatus in a situation where a plurality of networks is adjacent to each other.An information processing apparatus includes: a measuring unit; a judging unit; and a control unit. In the information processing apparatus, the measuring unit measures signal strength of a received signal. The judging unit judges whether or not later signal transmission is possible using a relative value with respect to the signal strength measured by the measuring unit as a threshold on the basis of the threshold. The control unit controls signal transmission in accordance with the judgment by the judging unit about whether or not signal transmission is possible. |
| US11252757B2 |
Uplink LBT channel detection method, uplink data sending method, and device
The present application discloses an uplink LBT channel detection method, an uplink data sending method, and a device. The method includes: before transmitting a UL grant, determining, by a base station, based on a service priority in a BSR of user equipment scheduled in a self-contained subframe, a contention window required for performing LBT; and performing, by the base station, the LBT based on the contention window, and after detecting that a channel is idle, transmitting, in the self-contained subframe through the channel, a UL grant corresponding to the user equipment; or after detecting, by using the LBT, that a channel is idle, transmitting, by the base station in the self-contained subframe through the channel, a UL grant corresponding to the user equipment, where the UL grant carries information about the contention window, so that the user equipment performs the LBT based on the information about the contention window. |
| US11252755B2 |
Uplink resource grant methods and apparatus
An uplink resource grant method includes receiving, by a terminal, configuration information from a network device, where the configuration information includes information about a first uplink resource and information about a second uplink resource, and searching, by the terminal, a search space for a downlink control channel to obtain grant information. The search space includes a first control channel candidate set when the downlink control channel carries grant information of the first (or the second) uplink resource, and the search space includes a second control channel candidate set when the downlink control channel carries grant information of the second (or the first) uplink resource or grant information of a downlink resource. The first control channel candidate set is the same as the second control channel candidate set. |
| US11252750B2 |
Scheduling of a primary cell from a secondary cell
A wireless device receives configuration parameters of one or more first search spaces of a primary cell and one or more second search spaces of a secondary cell. The secondary cell may be a scheduling cell for the primary cell. The wireless device may receive scheduling information associated with scheduling of the primary cell. In response to the secondary cell being deactivated, receiving the scheduling information may comprise monitoring the one or more first search spaces. In response to the secondary cell being activated, receiving the scheduling information may comprise monitoring the one or more second search spaces. The wireless device may transmit or receive a transport block, via the primary cell, based on the scheduling information. |
| US11252748B2 |
System information for access and backhaul
Methods, systems, and devices for wireless communications are described that provide for system information (SI) for access and backhaul. An access node (AN) may provide SI to devices within its cell indicating communication procedure configurations. The AN may provide SI to devices that is specific to whether the communication procedure is an access procedure or a backhaul procedure. The AN may transmit a common master information block (MIB) directing the devices within its cell to a search space in order to receive the remaining SI. The search space may be shared between access devices and backhaul devices or alternatively may be separate between access and backhaul devices. The remaining SI may not be shared between access and backhaul devices. The devices may determine different configurations as defined by the SI from the AN for communications procedures based on whether the procedure is an access procedure or a backhaul procedure. |
| US11252747B2 |
Communication method and device
A communication method and a device are provided, to properly utilize resources. The communication method includes: configuring, by a network device M first channels in a first time unit for a terminal, indicating, by the network device, N second channels in the first time unit to the terminal by using a downlink control channel, where the second channel is used to send second acknowledgement information and second scheduling request information in the first time unit, a quantity of first channels is M, M+N is greater than or equal to 2×B, M is less than N, the second acknowledgement information is an element in a second acknowledgement information set, B is a quantity of elements in the second acknowledgement information set. |
| US11252746B2 |
Method for data transmission, terminal device and network device
Provided in the embodiments of the present application are a method, a terminal device and a network device for data transmission. The method comprises: transmitting, by a terminal device, a first control signaling to a network device, wherein the first control signaling instructs the network device to allocate an uplink resource to first uplink data which are buffered and a backup uplink resource to the terminal device; receiving, by the terminal device, a second control signaling transmitted by the network device, wherein the second control signaling indicates the uplink resource allocated to the first uplink data and the backup uplink resource; transmitting, by the terminal device, the first uplink data on the uplink resource allocated to the first uplink data; transmitting, by the terminal device, second uplink data to the network device on the backup uplink resource if the second uplink data are buffered in the terminal device. |
| US11252739B2 |
Management device, terminal device, and non-transitory computer-readable recording medium
A management device managing terminal devices includes a memory, a receiver, a controller, and a transmitter. The memory stores: area management information in which area specifying information specifying an area where the terminal device is positioned and area kind information indicating characteristic of the area are associated with each other; and memory management information in which the area kind information and memory setting information on memory regions for respective functions used by the terminal device are associated with each other. The receiver receives a request message including the area specifying information of one of the terminal devices. The controller specifies the area kind information corresponding to the one terminal device based on the request message and acquires the memory setting information corresponding to the specified area kind information from the memory. The transmitter transmits the acquired memory setting information to the one terminal device. |
| US11252736B2 |
Methods, network nodes, and computer programs for transmit timing adjustment
A method for transmit timing adjustment by a second network node includes obtaining an indication of beam link failure of a current beam that is used for ongoing communication with a first network node. The method further includes switching over to a backup beam of the current beam for continuing the ongoing communication with the first network node, and adjusting transmit timing for transmitting a signal as part of the ongoing communication in the backup beam based on earlier communicated timing information with the first network node before making any transmission of the signal on the backup beam. |
| US11252735B2 |
Common resource-based data transmission method and device
Provided in the present invention are common resource-based data transmission method and device. A communication method according to the present invention comprises: acquiring common resource configuration information; determining, based on the common resource configuration information, an available resource for data transmission; and transmitting data based on the available resource. Another communication method according to the present invention comprises: determining common resource configuration information; sending to one or more terminals the common resource configuration information; and performing, based on the common resource configuration information, data transmission with a first terminal of the one or more terminals. The solutions provided in the present invention enable a terminal to transmit data with no signaling cost or a reduced required signaling cost. |
| US11252730B2 |
Method for performing beam management in wireless communication system and apparatus therefor
The present specification provides a beam management method in a wireless communication system. The beam management method performed by a serving base station according to the present specification comprise setting, to a UE, a plurality of beam management reference signals (RSs) for downlink beam scanning of the UE, transmitting at least one beam management reference signal to the UE through at least one transmission beam; receiving beam index information corresponding to a predetermined number of transmission beams from the UE; and based on the received beam index information, transmitting indication information for controlling a beam used for transmission of a downlink reference signal of the neighboring eNB and/or transmission of an uplink reference signal of the neighboring UE to the neighboring eNB and/or the neighboring UE. |
| US11252729B2 |
Communication device and communication method
In a wireless communication base station device, a modulation unit carries out modulation processing for Dch data after coding to generate a Dch data symbol. A modulation unit carries out modulation processing for Lch data after coding to generate an Lch data symbol. An allocation unit allocates the Dch data symbol and Lch data symbol to each sub-carrier composing an OFDM symbol and outputs the allocated sub-carrier to a multiplex unit. In this case, the allocation unit allocates the Dch data symbol to a plurality of resource blocks where one Dch is arranged at an interval equal to integral multiples of the number of resource blocks composing a resource block group. |
| US11252723B1 |
Modifying a vehicular radio based on a schedule of point-to-point vehicular communications
The disclosure includes embodiments for modifying a vehicle-to-everything (V2X) radio of an ego vehicle that is a connected vehicle. In some embodiments, a method includes analyzing, by a machine learning module executed by a processor, a local dynamic map generated by the ego vehicle to determine schedule data describing a schedule for the ego vehicle to transmit a millimeter wave (mmWave) message to a remote vehicle. The method includes transmitting a V2X message including the schedule data for receipt by the remote vehicle so that the remote vehicle has access to the schedule. The method includes modifying an operation of the V2X radio of the ego vehicle based on the schedule so that the V2X radio transmits the mmWave message to the remote vehicle in compliance with the schedule. The method includes transmitting the mmWave message to the remote vehicle in compliance with the schedule. |
| US11252721B2 |
Slot format indication to a UE group in a cell of a base station
Systems and methods for allocating resources of an air interface. In one embodiment, a base station communicates with a plurality of User Equipment (UE) within a cell over an air interface. The base station selects a UE group from the UEs in the cell to share a physical downlink control channel, selects a slot format for the UE group, and identifies a slot format indicator for the UE group. The base station generates a group ID for the UE group so that a combination of the group ID and the slot format indicator indicates a slot format value that is mapped to the selected slot format for the UE group, provides the group ID to the UE group, and transmits the slot format indicator on the physical downlink control channel to the UE group. |
| US11252716B2 |
Facilitating uplink communication waveform selection
The disclosed subject matter relates to facilitating uplink communication waveform selection in wireless communication systems, and more particularly Fifth Generation (5G) wireless communication systems. In one or more embodiments, a system is provided comprising a processor and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations. These operations can comprise facilitating establishing a wireless communication link between a first device and a second network device of a wireless communication network, and determining a waveform filtering protocol for application by the first device in association with performance of uplink data transmissions from the first device to the second network device. |
| US11252712B2 |
Method and apparatus for control resource set configuration for common control
A user equipment (UE) for receiving control information in a wireless communication system includes a transceiver configured to receive a synchronization signal/physical broadcasting channel (SS/PBCH) block of an index i from a BS, wherein SS/PBCH block comprises a PBCH carrying master information block (MIB). The UE includes a processor configured to for the SS/PBCH block of the index i, determine a slot index n0 as a sum of an offset value and [i*M]. The offset value is determined based on a first value O determined according to the index indicated in the MIB, wherein the index configures PDCCH monitoring occasions, and a second value μ indicated in the MIB, wherein the second value μ represents a subcarrier spacing configuration, wherein M is a positive number determined according to the index indicated in the MIB, and cause the transceiver to decode a PDCCH in the slot index n0. |
| US11252709B2 |
Channel partitioning for frequency-hopping narrowband IoT
According to some embodiments, a method for use in a frequency-hopping wireless transmitter for transmitting in unlicensed spectrum comprises: obtaining a configuration for a plurality of frequency channels in unlicensed spectrum; and transmitting a data transmission according to a frequency-hopping pattern across the plurality of frequency channels. The configuration for the plurality of frequency channels comprises a first subset of frequency channels for downlink transmission and a second subset of frequency channels for uplink transmission. The frequency channels in the first and second subsets are mutually exclusive. In some embodiments the first and second subset of frequency channels each comprise 160 frequency channels in the 2.4 GHz band, or 50 frequency channels in the 915 MHz band. |
| US11252704B2 |
Spatially multiplexing physical uplink control channel (PUCCH) and sounding reference signal (SRS)
A design is provided for spatially multiplexing uplink channels. A user equipment (UE) detects that a Physical Uplink Control Channel (PUCCH) and a Sounding Reference Signal (SRS) are to be transmitted simultaneously. The UE decides to spatially multiplex the PUCCH and the SRS for simultaneous transmission via different sets of one or more antennas. The UE determines time and frequency resources for the PUCCH and the SRS to avoid collision of at least a portion of the PUCCH with the SRS. The UE transmits the spatially multiplexed PUCCH and SRS using the determined time and frequency resources. |
| US11252703B2 |
Techniques for configuring uplink control channel transmissions in a shared radio frequency spectrum band
Uplink control channel transmission in a shared radio frequency spectrum band may be transmitted using different uplink resources UCI based on a format of uplink control information (UCI) to be transmitted in the uplink control channel transmission. Different time resources, frequency resources, or combinations thereof, for the transmission of UCI by a UE may be provided by a base station and selected by the UE based on a UCI format. The resources to be used for UCI transmission may semi-statically configured, or dynamically indicated to a UE. Uplink transmissions may be configured in interlaces of frequency resources, with each interlace having one or more segments, and a base station may configure different segments for transmission of different format UCI. In some cases, different subframes, or different component carriers, may be configured for different formats of UCI. |
| US11252699B2 |
Method and device for resource allocation
Embodiments of the disclosure provide a method and device for allocating resource in a wireless communication system. The method comprises: determining a set of user equipment (UEs) requesting for resource allocation based on resource available in the wireless communication system and a resource use requirement; allocating the resource to the set of UEs according to the resource use requirement; and sending information about the allocated resource to each UE in the set of UEs. |
| US11252696B2 |
Method and device for performing sidelink communication in wireless communication system
Disclosed are a method and a device for performing sidelink communication in a wireless communication system. Specifically, the method performed by a terminal may comprise the steps of: receiving information on a resource pool related to narrowband sidelink communication from a base station, wherein the information includes information on at least one of a resource pool index and/or an initial allocation timing of the resource pool; and performing the narrowband sidelink communication through at least one resource pool determined on the basis of the information and a specific hopping pattern on a frequency domain, wherein the specific hopping pattern is determined on the basis of a hopping pattern set for another narrowband-based communication of the terminal. |
| US11252694B2 |
Core paging handling
A base station receives, from an access and mobility management function (AMF), a first paging message for a wireless device. The first paging message comprises a parameter indicating whether the wireless device is allowed to access a non-closed access group (CAG) cell. The base station sends, via a cell, a second paging message based on the first paging message, wherein the sending is based on the parameter. |
| US11252693B2 |
Device and/or line event awareness and smart synchronization
Device and/or line event awareness and smart synchronization is described. In at least one example, a related device of a group of related devices may receive a communication notification representative of a communication event. Such communication notifications may enable event awareness for each of the devices in the group of related devices. In an example, the related device may compare data items (e.g., participants, timestamps, etc.) associated with the communication notification with data items associated with entries stored in a local data store. The entries may correspond to communication events associated with at least the related device. Based at least in part on comparing the data items, the related device may determine whether a new entry associated with the communication notification should be added to a local data store or the communication notification should be disregarded as a duplication. |
| US11252680B2 |
Power headroom control element, method of communicating power information from a user equipment, method for processing received power information as well as a corresponding user equipment and base station
The present invention relates to a power headroom control element for communicating power information from a user equipment (UE) to a base station (BS), a corresponding method, a method for processing received power information at a radio access network (RAN) as well as to a user equipment for communicating power information and a base station configured to process received power information, which particularly enable simple handling and processing of transmission power information, respectively. A power headroom control element is structured to comprise a power headroom field containing power headroom information and having a predetermined number of bits in the power headroom control element, and an indicator field associated with the power headroom field, wherein the indicator field serves to indicate whether a transmission power field with a predetermined number of bits is present in the power headroom control element. |
| US11252675B2 |
Method for transmitting sidelink signals through plurality of carriers in wireless communication system
Provided is a method for a terminal to transmit sidelink signals in a wireless communication system according to one embodiment of the present invention, comprising the steps of: determining transmission power of a sidelink packet in each of a plurality of carriers; and on the basis of the determined transmission power, transmitting the sidelink signals through one or more carriers of the plurality of the carriers, wherein the transmission power is determined on the basis of a priority of the sidelink packet scheduled for transmission on each of the plurality of carriers, a sum of the transmission power of the sidelink packet scheduled for transmission on each of the plurality of carriers, and maximum transmission power of the terminal. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, the BS or a network. |
| US11252671B2 |
Power control method and apparatus
A power control method and apparatus are provided. The method includes: A communications device receives a first power value and a second power value that are configured by a network side. The first power value is a maximum allowed transmit power value that is for a first cell group and that is configured by the network side for the communications device, and the second power value is a maximum allowed transmit power value that is for a second cell group and that is configured by the network side for the communications device. The communications device determines, based on the first power value and the second power value, a total guaranteed power value that is of the communications device and that applies to a case in which a resource in the first cell group overlaps a resource in the second cell group. |
| US11252668B2 |
Radio network node, user equipment and methods performed in a wireless communication network
Embodiments herein relate to a method performed by a user equipment, UE (10), for communicating in a wireless communication network.The UE (10) receives a wake-up signal with a multibit indication from a radio network node (12), wherein the multibit indication comprises a first bit indicating to start or not to start, for a first cell, an on-duration timer at one or more of the next occurrence of an on-duration, and a second bit indicating to apply dormancy or non-dormancy behavior on a second cell at the next occurrence of an on-duration for the second cell. The UE (10) further performs an action related to the wake-up signal taking the received multibit indication into account. |
| US11252666B2 |
Method for transmitting or receiving signal in wireless LAN system, and device therefor
A method by which an access point (AP) transmits a wake-up radio (WUR) signal in a wireless LAN (WLAN), according to one embodiment of the present invention, comprises the steps of: determining a synchronization signal providing time synchronization for a data signal in the WUR signal; and transmitting the WUR signal including the synchronization signal and the data signal, wherein the synchronization signal can be an on-off keying (OOK) signal having a length of 128 us and generated by mapping, to 2 us symbol, each bit of a binary sequence having a length of 64, when a data rate of the data signal is 62.5 kbps. |
| US11252664B2 |
Method and apparatus for entering a connected state with a network for continuing transmission in wireless communication system
A method and apparatus for continuing transmission while in leaving a connected state with a network in wireless communication system is provided. A wireless device leaves a connected state with the network. The wireless device performs transmission with a configured grant in a validity area, wherein the configured grant is received from the network and mapped to the validity area, while in leaving the connected state. The wireless device performs a random access to the network, after the wireless device leaves the validity area. |
| US11252656B2 |
Method and system for determining an optimal wireless channel for a Wi-Fi access point in a cloud-based software defined network using an application programming interface
A method and system for determining an optimal wireless channel for a Wi-Fi access point in a cloud-based software defined network (SDN) using an Application Programming Interface (API) is described. Initially, the API collects the measurement information and media access control (MAC) addresses from a plurality of nearby Wi-Fi access points to a client device. The measurement information is analyzed to determine a location of the client device using an Artificial Intelligence (AI) model. To determine the location of the client device, the API creates a plurality of clusters of Wi-Fi access points and updates the plurality of clusters with one or more newly identified Wi-Fi access points. Thereafter, the API calculates an optimal wireless channel for a Wi-Fi access point from the cluster using the AI model and enables the client device to automatically switch to the optimal wireless channel for connecting with the Wi-Fi access point. |
| US11252653B2 |
Method and system for network slice usage subscription
A method, a device, and a non-transitory storage medium are described in which a network slice usage subscription service is provided. The network slice usage subscription service may allow a network device to obtain network slice usage information and event notifications. The event notification may indicate when an end device is using a network slice and when the end device is no longer the network slice. The network device may include an application function (AF) device. The network device may use the event notification to perform an operation relating to the network slice and/or the end device. |
| US11252651B2 |
Network slice selection
Methods and systems are provided for selecting a network slice to which a User Equipment (UE) can connect in the telecommunications network. A Cache Inventory Repository (CIR) stores cache associations indicating content cached at each of a plurality of Cache Network Functions (Cache NFs) and the network slice in which each Cache NR is located. A Network Slice Selection Function (NSSF) transmits to the CIR a request for cache data indicating a particular content cached in one or more network slices. The CIR determines the requested cache data based on the stored cache associations and transmits the requested cache data to the NSSF. The NSSF selects a network slice to which the UE can connect, based at least in part on the received cache data identifying the one or more network slices. |
| US11252648B2 |
Packet flow optimization in a transport network
The application relates to a method for operating a flow control entity configured to control a data packet flow in a radio access network and a transport network of a communications network. It is determined that a transmission condition for the data packet flow through the communications network has changed, and determined through which radio access node the data packet flow is transmitted. A new anchor point for the data packet flow is determined in dependence on the radio access node, and a bearer control entity is informed about the new anchor point. |
| US11252646B1 |
Wireless data service delivery over wireless repeaters
A wireless communication network serves a wireless User Equipment (UE) with a wireless data service over wireless repeaters. A serving access node wirelessly receives UE signaling that indicates signal strengths for the wireless repeaters. The serving access node determines amounts of the wireless repeaters between the wireless UE and individual target access nodes. The serving access node selects a primary access node from the target access nodes based on the signal strengths and the wireless repeater amounts. The serving access node responsively transfers network signaling to the primary access node. The primary access node receives the network signaling and responsively serves the wireless UE with the wireless data service. The primary access node transfers additional network signaling to a secondary access node. The secondary access node receives the additional network signaling and responsively serves the wireless UE with the wireless data service. |
| US11252640B2 |
Method, apparatus, device and base station for implementing internet of things device bootstrapping
A method, an apparatus, a device, and a base station are provided for implementing IoT device bootstrapping. The method may include: receiving bootstrapping information of a first device sent by the first device; determining a second device to be connected with the first device; sending the bootstrapping information of the first device to the second device. The technology of the present disclosure can realize IoT device bootstrapping based on cellular IoT, and improve efficiency of establishing a fast connection of the IoT device supporting the cellular IoT. |
| US11252639B2 |
Method and device for transmitting system information
A method and a device for transmitting system information are provided. The method includes: a network device determines a resource for sending the system information, and the network device sends the system information on the resource for sending the system information. The device for transmitting system information includes a transceiver, used for receiving system information on a configured first resource. |
| US11252635B2 |
Method for processing uplink user data in relay node, and device for same
Provided are a data processing method and device based on integrated access and backhaul (IAB) using 5G NR wireless communication technology. A method of a relay node may be provided for processing uplink user data. The method may include: receiving uplink user data from a user equipment; deriving a user equipment bearer identifier (UE-bearer-ID) by using logical channel identification information linked to an RLC PDU of uplink user data; selecting a backhaul RLC channel for transmission of uplink user data on the basis of at least one among a user equipment bearer identifier and donor base station address information; and transmitting uplink user data, via the selected backhaul RLC channel, to a donor base station or another relay node. |
| US11252633B2 |
Online systems and methods for advancing information organization sharing and collective action
Methods and systems and mobile device interfaces for creating, joining, organizing and managing via mobile devices affinity groups in a cloud computing environment for social and business purposes. |
| US11252628B2 |
Device and method for handling new radio capabilities
A method for handling NR capabilities comprises the first BS transmitting at least one E-UTRA capability and at least one first NR capability of a communication device to the second BS; the second BS generating a RRC Connection Reconfiguration message according to the at least one E-UTRA capability and the at least one first NR capability, wherein the RRC Connection Reconfiguration message comprises at least one E-UTRA configuration and a NR configuration; the second BS transmitting the RRC Connection Reconfiguration message to the first BS; the first BS generating a first NR-access RRC message comprising the RRC Connection Reconfiguration message; the first BS transmitting the first NR-access RRC message to the communication device; and the second BS receiving a RRC Connection Reconfiguration Complete message from the communication device. |
| US11252619B2 |
Handover random access
Systems, apparatuses, and methods are described for wireless communications. Random access procedures may include various types of procedures, such as 4-step or 2-step random access procedures. One or more indicators may be included in one or more messages for a handover to indicate a type of a random access procedure. |
| US11252618B2 |
Radio terminal and base station capable of handover without performing RACH handover
User equipment, apparatus and method perform dual connectivity with a first base station acting as a master base station and a second base station acting as a secondary base station, transmit to the master base station capability information indicating that the user equipment supports a function of skipping a random access procedure, and receive from the master base station, a message instructing to change the secondary base station from the second base station to a third base station. The message includes information indicating that random access procedure for the third base station is skipped and an including an uplink grant indicating radio resources allocated by the third base station and a timing advance (TA) value to be applied to an uplink transmission to the third base station. The user equipment transmits the uplink transmission to the third base station by using the uplink radio resources indicated by the uplink grant. |
| US11252615B2 |
Handover method that is based on DC and device
This application provides a handover method that is based on DC, including: sending, by a source base station, a handover request to a target base station, where the handover request carries a target base station user equipment (UE) aggregate maximum bit rate (UE-AMBR) and/or network slice information of UE; and receiving, by the source base station, a handover request feedback sent by the target base station. A UE capability is coordinated between the source base station and the target base station, so that it is ensured that a technical effect of the UE capability is not exceeded during a DC-based handover. The coordination of the UE capability may be implemented by the source base station, or may be implemented by the target base station. |
| US11252614B2 |
Coordinated access point transmissions
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for adjusting a packet duration for triggered uplink (UL) transmissions to an access point (AP) from one or more stations (STAs). In one aspect, the AP may estimate an amount of data that a STA has queued for UL transmission and select the packet duration based on the estimated amount of queued UL data. The AP may transmit a trigger frame that solicits UL data from the STA and indicates the selected packet duration. In response, the AP may receive an UL packet from the STA and determine an amount of UL data queued in the STA based on the UL packet. In some implementations, the AP may selectively adjust the packet duration for UL transmissions based on the UL packet, the determined amount of UL data queued in the STA, or both. |
| US11252604B2 |
Data transmission method, apparatus, and system
A data transmission, by a terminal device, is described that improves data transmission efficiency while ensuring a transmission latency. The data transmission method includes sending a first transport block to a radio access device for X times by using a shared resource that is configured by the radio access device for at least one terminal, where the terminal is one of the at least one terminal, and X>0. The method further includes determining a dedicated resource allocated by the radio access device to the terminal, and sending the first transport block to the radio access device for Y times by using a target resource. The target resource includes the dedicated resource, and Y≥0. |
| US11252601B2 |
Resource allocation method and device
Example resource allocation methods and apparatus are described to resolve a problem of resource congestion and collision occurring in a communications system when virtual resource blocks (VRBs) scheduled for different terminal devices are mapped to physical resource blocks (PRBs). In one example method, system bandwidth of the communications system is divided into a plurality of fixed interleaving regions. Therefore, a network device can indicate a type of a virtual resource unit in a form of a frequency domain range occupied by one interleaving region. Using the foregoing solution can enable the network device to set the type of the virtual resource unit more conveniently. |
| US11252597B2 |
Prioritizing packets in wireless communications
Aspects of the present disclosure describe transmitting data in wireless communications. A set of packets for transmission in a defined sequence can be received where the set of packets includes two or more packets. It can be detected that a packet, of the set of packets, is a prioritized packet type. The packet can be prioritized for transmission ahead of its order in the defined sequence based on the detection of the prioritized packet type. The packet can be transmitted ahead of its order in the defined sequence to an access point. |
| US11252594B2 |
Adjustment method, terminal, and network device
An adjustment method includes receiving, by a terminal, a redistribution command sent by a network device, where the redistribution command is used to adjust a frequency priority or a cell priority of a terminal in a cell; and ignoring, by the terminal, the redistribution command based on a status of the terminal. Network signaling overheads can be reduced in a process in which a network side instructs to perform redistribution. |
| US11252592B2 |
Wireless communication method, terminal device and transmitting node
Provided in embodiments of the present application are a wireless communication method, a terminal device, and a transmitting node, which can implement measurement and feedback of reference signals supporting multiple downlink channel transmissions. The method comprises: the terminal device determines a mode for reporting a measurement result of a plurality of reference signals; and the terminal device reports report information including a rank indication corresponding to each of the plurality of reference signals according to the determined mode and the measurement result. The reporting mode determined by the terminal device is a first mode or a second mode. In the first mode, the maximum value of the rank indication in the report information corresponding to each reference signal does not exceed a first predetermined value, and in the second mode, the maximum value of the sum of rank indication values in the report information corresponding to the plurality of reference signals does not exceed a second predetermined value. |
| US11252590B2 |
License based traffic management in hybrid networks
Systems and methods for managing traffic in a hybrid environment include monitoring traffic load of a local network to determine whether the traffic load exceeds or is likely to exceed a maximum traffic load, where the maximum traffic load is a traffic load for which a service can be provided by the local network, based on a license. An excess traffic load is determined if the traffic load exceeds or is likely to exceed the maximum traffic load. One or more external networks which have a capacity to provide the service to the excess traffic load are determined, to which the excess traffic load is migrated. The local network includes one or more service instances for providing the service for up to the maximum traffic load, and the service to the excess traffic load is provided by one or more additional service instances in the one or more external networks. |
| US11252588B2 |
Measurement triggering method based on state of UE, UE and network side device
A measurement triggering method based on state(s) of UE, a UE and a network side device are provided. The method performed by the UE includes: determining a first measurement parameter; determining whether a measurement triggering condition is met; and performing measurement on at least one of a neighboring cell of the UE or a serving cell of the UE based on the first measurement parameter, in a case that the measurement triggering condition is met. The determining the first measurement parameter includes: determining the first measurement parameter corresponding to a state parameter of the UE based on a correspondence between state parameters and first measurement parameters; or determining the first measurement parameter based on state change information of the UE or based on an event determined by the UE. |
| US11252586B2 |
System and method for periodic beam failure measurements
A method for measuring beams includes determining a measurement period duration in accordance with periods of one or more periodic beam failure detection (BFD) reference signals (RSs) of a BFD RS set, wherein the BFD RSs of the one or more BFD RSs of the BFD RS set have a quasi-co-located (QCL) relationship with demodulation RSs (DMRSs) of PDCCH receptions monitored by a user equipment (UE), monitoring a subset of the one or more BFD RSs having the QCL relationship with the DMRSs of PDCCH receptions monitored by the UE that occur during a measurement period, and determining that measures of all BFD RSs in the subset of the one or more BFD RSs do not meet a specified threshold, and based thereon, reporting a beam failure (BF) instance. |
| US11252585B2 |
Access network node, radio communication system, communication method and program
An access network node is provided with: a link switching part configured to be capable of exchanging data by switching between an active link and a standby link established with an adjacent node; a data identification part configured to identify type of data to be exchanged with an accommodated terminal; and a controller configured to select, from between the active link and the standby link, a link to be used in exchanging data with the accommodated terminal, based on the data type. |
| US11252583B2 |
Communication method, related device, and system
This specification discloses a communication method, and a system. The method includes: receiving, by a first control network element, analysis information of a network data analytics network element NWDA, and generating a policy based on the analysis information; sending, by the first control network element, the policy to a second control network element, where execution of the policy is controlled by the second control network element; receiving, by the first control network element, an execution result of the policy that is sent by the second control network element, and determining, based on the execution result, whether the analysis information is invalid; and sending, by the first control network element, an invalidity notification message to the NWDA when the first control network element determines that the analysis information is invalid, where the invalidity notification message is used to instruct the NWDA to generate new analysis information. |
| US11252582B2 |
Method for determining start time of a physical downlink control channel
A method is provided for a UE to determine the start time of the downlink control channel for M2M communication in LTE systems. The method comprises a UE receiving a parameter set to determine the start time of the (E)PDCCH from the eNB; calculating the start time based on the received parameter set from the eNB; combining/decoding the repetitive (E)PDCCHs; and sending the feedback information to confirm/reject the reception of the (E)PDCCH. |
| US11252575B2 |
Inter-RAT configuration coordination
An apparatus and method comprising: determining by a first network node of a user equipment that a user equipment is to be dual connected to the first network node and a second network node; identify at least one radio configuration supported by the first network node from communication capability information of the user equipment; sending information to the second network node, the information comprising the capability information and the at least one radio configuration supported by the first network node; and in response to the sending, receiving from the second network node an indication of a chosen at least one radio configuration of the at least one supported radio configuration for use in the dual connection. |
| US11252574B2 |
Automated frequency coordination for shared spectrum wireless systems
Improved techniques are provided for managing frequency channels in a shared spectrum available to a radio local access network device (RLAN) in a wireless network. A shared spectrum system may perform operations including retrieving a plurality of parameters for one or more high-priority users in the wireless network; computing, based on the retrieved parameters, a plurality of interference-to-noise power ratio (I/N) contour values; storing the plurality of I/N contour values in a database; receiving, from the RLAN in the wireless network, a request for channel availability, wherein the received request includes at least a first value; extracting, based on the first value in the request for channel availability, I/N contour values from the database exceeding a threshold value; determining, based on the extracted I/N contour values, available frequency information corresponding to the received request for channel availability; and transmitting a channel availability response comprising the available frequency information. |
| US11252573B1 |
System and method for rapid check-in and inheriting trust using a mobile device
A system and method for rapid check-in and inheriting trust using a user entity device. The system and method described herein allows an identity to be continuously proven because of user entity's behavior and their biometrics. With all the fraud and risk that exists today, if someone has a user entity's driver's license they can do a lot of harm. By tying a user entity's identity to their user entity device (e.g., a mobile smartphone), then when a user entity checks into a location (e.g., airport, hotel, bank), an identity provider continues a process of continuous authentication while the user entity device travels about a location and interacts with the services offered by the location. |
| US11252570B2 |
Computer system and method for software authentication and single application enforcement
A computer-implemented method only enables a software application to launch on a first device if a unique identifier of the first device is determined to be valid by a second device, and if a unique identifier stored in the software application matches a unique identifier of the software application stored on the first device. |
| US11252567B2 |
Methods and apparatus for detecting attacks in V2X networks
Methods, apparatus, systems, and articles of manufacture are disclosed to detect attacks in V2X networks. An example apparatus includes a challenge handler to (a) transmit a first challenge packet to a first vehicle to request a transmission of a first response, (b) instruct a second challenge packet to be transmitted to a second vehicle to request a transmission of a second response, (c) increment a first counter when the first response is not obtained, (d) increment a second counter when the second response is not obtained, and (e) after repeating (a)-(d), determine that the first and second vehicles are phantom vehicles associated with an attacker with a half-duplex radio when at least one of the first or second counters satisfy a threshold, and a network interface to instruct a third vehicle associated with the V2X network to ignore future messages from the phantom vehicles based on the determination. |
| US11252563B2 |
Management of hosted channel membership in a communication platform
Management of hosted channel membership of a communication platform is described. A request can be received from a first client of a first user, associated with a first organization, of the group-based communication platform, wherein the request is to associate a second user, associated with a second organization, with a communication channel of the first organization. An invitation to join the communication channel can be sent to a second client of the second user. In response to receiving an indication of an acceptance of the invitation, the second user can be associated with the communication channel. A request can be received from the second client to associate other user(s) associated with the second organization with the communication channel and the other user(s) can be associated with the communication channel based at least in part on permission(s) associated with the communication channel. |
| US11252562B2 |
Method for securing a command to be applied to a motor vehicle
The invention relates to a method for securing a command to be applied to a motor vehicle, characterized in that said method comprises: a first step of generating first data, via a vehicle electronic control unit; a second step of sending said first data to a mobile terminal comprising a screen, via the electronic control unit; a third step of displaying the first data on the screen of the mobile terminal; a fourth step in which a human user processes the first data in order to obtain second data; a fifth step of sending the second data to the electronic control unit via the mobile terminal; a sixth step of comparing said second data to a key of the first data, via the electronic control unit; if the second data is validated by the key of the first data, a seventh step of activating the motor vehicle via the electronic control unit, in order to implement at least part of the control. |
| US11252561B2 |
Refreshing a security context for a mobile device
A Radio Access Network (RAN) node instructs a wireless device having a connection to the RAN node to transition from a connected Radio Resource Control (RRC) state to an inactive RRC state in which key information supporting the connection, and a further connection to a Core Network (CN) node serving the wireless device, are maintained. Responsive to the wireless device returning to the connected RRC state, the RAN node requests new key material from the CN node, and replaces the key material supporting the connection with the new key material received from the CN node. |
| US11252559B2 |
MSISDN sharing between UES and PBX devices
A telecommunication network provides telecommunication service to a user equipment (UE) and a communication device that is connected to the telecommunication network via a private branch exchange. Both the UE and the communication device utilizing a Mobile Station International Subscriber Directory Number (MSISDN) for the telecommunication service, and the telecommunication network stores a profile associating both the UE and the communication device with the MSISDN. Additionally, the telecommunication network enables communication between the communication device and a communication partner device and notifies the UE of the communication. |
| US11252553B2 |
Method and device for establishing connection using Bluetooth low energy
Disclosed herein is a method for allowing a first device to be connected to a second device in a wireless communication system. The method includes performing a procedure for setting an advertising packet for providing a transport discovery service (TDS) and transmitting the set advertising packet to the second device, wherein the advertising packet comprises at least one advertising (AD) structure field, and one of the at least one AD structure field comprises a first length field, an AD type field indicating a type of data for providing the TDS, and an AD data field comprising TDS data for providing the TDS. |
| US11252551B2 |
Systems and methods for emergency preparedness
A mobile response unit for disaster relief, the system including a router configured to connect to one or more wireless network connections, a transmitter configured to connect one or more user devices to the one or more network connections, and a processing circuit including a processor and memory, the memory having instructions stored thereon that, when executed by the processor, cause the processing circuit to retrieve and store one or more medical records from an external computing system, and wherein the router combines the one or more wireless network connections to form a high-bandwidth bonded failover connection. |
| US11252550B1 |
Frequency-division-coordinated automatic power control for near-field communication
Techniques are described for frequency-division-coordination of automatic power control (APC) in a transceiver of a near-field reader. Such frequency-division-coordinated APC (FDC-APC) can enable continuous APC updates concurrent with communication frames to achieve field strength specifications without conventional degradations in communication reliability. For example, a transceiver implements a FDC-APC loop that received a detuning signal from signals received and/or transmitted over a near-field communication link, generates an error signal by comparing the detuning signal with a reference detuning level, and updates a power control signal according to an update frequency (e.g., corresponding to a APC loop bandwidth) that is a function of at least a filter frequency profile and is out-of-band with respect to a modulation frequency band. Modulated signals can be transmitted over the near-field communication link according to variable power settings controlled to the power control signal. |
| US11252549B2 |
Communication device configured to switch wireless networks based on information received from a terminal device and to establish a wireless connection with the terminal device and non-transitory computer-readable medium for a terminal device establishing a wireless connection with a communication device
A communication device may, in response to a wireless link via a first wireless interface being established with a terminal device while the communication device is a first parent station state, receive predetermined information from the terminal device via a second wireless interface, if the predetermined information is received, shift the communication device from the first parent station state to a second parent station state, wherein the communication device is maintained in the first parent station state if the predetermined information is not received even if the wireless link via the first wireless interface has been established with the terminal device and after the communication device has been shifted to the second parent station state, establish a first wireless connection via the second wireless interface with the terminal device so as to cause the terminal device to participate in the second wireless network as a child station. |
| US11252548B2 |
Wireless guest engagement system
A guest engagement system and associated methods provide seamless engagement with guests of facilities through the use of wireless sensing technologies. The system makes use of individual guest devices which are carried by guests and used to automatically identify and authenticate the guests throughout the facility. Services can thereby be seamlessly provided to the guests throughout the facility. The services include automatic unlocking of doors, including hotel or state room doors, based on the guests' immediate proximity to their assigned room's door. The services also include automated payment services provided at checkout or vending terminals, and automated log-on to interactive displays and portals, among others, based on secure wireless authentication of the guest devices. |
| US11252545B2 |
Apparatus and method for using connected vehicles as an advertisement platform
By way of example, various methods for reproducing advertisements using a plurality of advertisement vehicles as well as controlling the plurality of advertisement vehicles are provided. In one example, a method for controlling a plurality of advertisement vehicles is provided as follows. Initially, information on the plurality of advertisement vehicles that are going to carry out a specific event is verified. Information on the specific event is sent to the plurality of advertisement vehicles and real-time traffic and/or people density information in an area in which the specific event is to be carried out is collected. A starting location of the specific event may also be determined based on at least one of: the real-time traffic density information or real-time location information of the plurality of advertisement vehicles. Then, driving route guidance with an initial destination set to the starting location of the specific event is sent to the plurality of advertisement vehicles such that the plurality of advertisement vehicles convenes at the starting location of the specific event. |
| US11252537B2 |
Method, apparatus, and computer program product for organizational telemetry discovery within a group based communication system
Embodiments of the present disclosure provide methods, systems, apparatuses, and computer program products for discovery of organizational telemetry within a group-based communication system and rendering representations thereof. |
| US11252531B2 |
Methods, systems, and apparatus for a geo-fence system
Methods, systems, and apparatus for defining, generating, utilizing, and/or detecting a geo-fence are described. A trigger is obtained, the trigger generated in response to a change in a geo-fence criteria. One or more boundaries of the geo-fence based on the geo-fence criteria are defined in response to obtaining the trigger. |
| US11252526B2 |
Acoustic device and head-related transfer function selecting method
An acoustic device includes binaural speakers, a storing portion for storing a plurality of head-related transfer functions, and a signal processing portion for processing a sound signal with a head-related transfer function. Two or more function candidates are selected from the plurality of head-related transfer functions. Prescribed test sounds are emitted from the speaker. A function candidate to apply to the user is selected based on a discrepancy between a user-perceived location direction and the sound generation location direction for each function candidate. |
| US11252519B2 |
Hearing device with embedded integrated circuit chips
A hearing device includes: a multi-chip assembly including a plurality of integrated circuit chips, the plurality of integrated circuit chips including one or a combination of a wireless communication chip, a power management chip, and a signal processing chip; wherein the multi-chip assembly comprises: a first layer having a surface, a spacer layer being configured to accommodate one or more of the plurality of integrated circuit chips as one or more embedded chips, and a ground layer below the first layer and the spacer layer, and a first shielding layer between the spacer layer and the first layer. |
| US11252514B2 |
Coupling apparatuses for transcutaneous bone conduction devices
Presented herein are non-surgical or superficial coupling apparatuses for transcutaneous bone conduction devices. A coupling apparatus comprises a drive plate configured to be detachably connected to a transcutaneous bone conduction device. The drive plate is also connected to an earhook (ear hook) configured to fit over/around a recipient's pinna (auricle) to at least partially support the drive plate. An adhesive member may also be provided to secure the drive plate to the recipient's skin. |
| US11252513B2 |
Packaging for a MEMS transducer
The application relates to a MEMS transducer package comprising: a package substrate the package substrate comprising a substrate channel, the substrate channel comprising first and second channel portions, wherein the first portion extends in a first direction between a first channel opening in a side surface of the substrate and a junction between the first and second channel portions, and wherein the second portion extends in a second direction between said junction and a second channel opening at, or underlying, a substrate opening provided in an upper surface of the package substrate. |
| US11252510B2 |
Piezoelectric speaker-forming laminate
A piezoelectric speaker-forming laminate (10) includes: a piezoelectric film (35); a pressure-sensitive adhesive face (17); an interposed layer (40) being a porous body layer and/or a resin layer disposed between the piezoelectric film (35) and the pressure-sensitive adhesive face (17); and a release layer (20) joined to the pressure-sensitive adhesive face (17). The pressure-sensitive adhesive face (17) is disposed in such a manner that at least a portion of the piezoelectric film (35) overlaps the pressure-sensitive adhesive face (17) when the piezoelectric film (35) is viewed in plan. The piezoelectric film (35) and the interposed layer (40) are allowed to be fixed to a support (80) as a piezoelectric speaker or a portion of a piezoelectric speaker by sticking the pressure-sensitive adhesive face (17) from which the release layer (20) has been removed to the support (80). |
| US11252506B2 |
Howling suppression apparatus, and method and program for the same
A howling suppression apparatus includes: an integration processing part that obtains the maximum value among L values corresponding to n-th frames of L i-th signals, for i=1, 2, . . . , L, L being any integer equal to or greater than 2, the L i-th signals being frequency-domain signals obtained from sound signals collected by multiple microphones; and a howling suppression processing part that performs howling suppression processing on at least any of the L i-th signals using the maximum value. |
| US11252499B2 |
Optical physiological monitoring devices
A monitoring device includes a band capable of at least partially encircling a portion of a body of a subject. An optical source and an optical detector are supported by the band. A first light guide is in optical communication with the optical source and a second light guide is in optical communication with the optical detector. A distal end of the first light guide is configured to deliver light from the optical source into the body, and a distal end of the second light guide is configured to collect light from the body and deliver collected light to the optical detector. The first and second light guides define respective first and second axial directions that diverge outwardly from the band such that light rays directed into the body via the first light guide cannot overlap with light rays collected by the second light guide. |
| US11252498B2 |
Optical physiological monitoring devices
An ear worn device includes an optical source, an optical detector, and a housing supporting the optical source and optical detector. The housing is configured to be positioned within an ear of a subject and includes a first light guide in optical communication with the optical source and a second light guide in optical communication with the optical detector. A distal end of the first light guide is configured to deliver light from the optical source into the ear, and a distal end of the second light guide is configured to collect light from the ear and deliver collected light to the optical detector. The first and second light guides define respective first and second axial directions that are outwardly diverging such that light rays directed into the ear via the first light guide cannot overlap with light rays collected by the second light guide. |
| US11252497B2 |
Headphones providing fully natural interfaces
Headphone providing fully natural interface are described. According to one aspect of such headphones, the headphones comprises a microphone configured for capturing an ambient sound, a speaker configured for playing audio signals, a command interface configured for receiving one or more external control commands, and a control unit having an ambient sound monitoring function. The control unit captures the ambient sound through the microphone, and automatically causes the headphones to enter an interactive mode when a preset interested sound is detected to appear in the ambient sound. The control unit controls the headphones to output an interactive reminder in the interactive mode, and the interactive reminder comprises one or more of visual reminders, a tactile reminder and an auditory reminder. Thus, interaction between the user and the ambience can be realized in a fully natural interface manner according to user preferences. |
| US11252490B2 |
Appliance suite equipped with a synced sound system
A system and a method for generated synchronized audible communications are provided. In one aspect, a system includes a suite of appliances, including at least a first and second appliance. Each appliance has a speaker operable to generate one or more audible communications. The system includes one or more controllers that output one or more sound commands that cause the speakers of the appliances to generate their respective audible communications. One or more of the appliances include a proximity device operable to detect whether a user is within a proximity range thereof. In some instances, the speakers can generate audible communications to amplify their audible communications. In other instances, the speakers can generate audible communications to create localization cues for directing a user's attention to a particular appliance. |
| US11252489B2 |
Loudspeaker module
Disclosed is a loudspeaker module, comprising a module housing formed with an accommodation cavity, and a loudspeaker unit accommodated in the accommodation cavity, wherein the loudspeaker unit comprises a magnetic conductive yoke; a through hole which corresponds to the magnetic conductive yoke and penetrates through inner and outer surfaces of the module housing is provided, near the magnetic conductive yoke, on the module housing, and the magnetic conductive yoke extends into the through hole; and an assembly gap is provided between the magnetic conductive yoke and a hole wall of the through hole. The loudspeaker module further comprises a sealing member, wherein a part of the sealing member is adhered to the outer surface of the housing, and the other part is adhered to a bottom surface of the magnetic conductive yoke so as to seal the assembly gap. |
| US11252488B2 |
Incrementally scalable, two-tier system of robotic, fiber optic interconnect units enabling any-to-any connectivity
Systems and methods to incrementally scale robotic software-defined cross-connects from 100 to more than 100,000 ports are disclosed. A system is comprised of individual cross-connect units that individually scale in increments of say, 96 interconnects in tier 1 to, for example, 1,008 interconnects total. A system comprised of multiple cross-connect units arranged and interconnected in a two-tier approach is disclosed, one which achieves fully non-blocking, any-to-any connectivity with the flexibility to grow incrementally. Methods to build out this system over time, in an incremental and non-service interrupting fashion, are described. |
| US11252486B2 |
Wireless monitoring and profiling of reactor conditions using arrays of sensor-enabled RFID tags placed at known reactor heights
Disclosed is a system and method for wirelessly monitoring process conditions within a reactor vessel. An array of sensor-enabled radio frequency identification (RFID) tags is placed at known heights within a catalyst bed of a vessel and are used to measure 10 various conditions within the vessel. The sensor-enabled RFID tags are encoded with individual identification codes and are wirelessly linked to multiple transceivers. The use of multiple transceivers allows for the application of triangulation methods to identify the location of each of the sensor-enabled RFID tags in three-dimensional space and for the interrogation of each sensor-enabled RFID tag to receive responsive transponder signals that carry information representative of the sensed condition within the reactor. |
| US11252480B2 |
Systems and methods for automatically detecting users within detection regions of media devices
Systems and methods are presented for detecting users within a range of a media device. A detection region may be defined that is within the range of the media device and smaller than the range. The detection region may be stored. It may be determined whether a user is within the detection region. The media device may be activated and settings associated with the user may be applied when a user is within the detection region. In some embodiments, settings associated with a user may be compared to provided media content when the user is within the detection region. The content may change when the settings conflict with the media content. Reminders may be provided to or directed to a plurality of users within the range of the media device. |
| US11252479B2 |
Methods, systems, and media for recommending media content based on attribute grouped viewing sessions
In some embodiments, a method for recommending content comprises: receiving an authorization to access a media content consumption history, wherein the media content consumption history includes a plurality of viewing sessions that each include media content items that have been consumed during that viewing session and wherein each of the plurality of viewing sessions is associated with session attribute information; generating a plurality of session group profiles by grouping a subset of viewing sessions from the plurality of viewing sessions based on the session attribute information; determining that a user device is consuming a media content item in a current viewing session; in response to determining that the current viewing session matches a session group profile from the plurality of session group profiles, and causing a recommended media content item to be presented on the user device. |
| US11252478B2 |
Distribution device, distribution method, reception device, reception method, program, and content distribution system
The present technology relates to a distribution device, a distribution method, a reception device, a reception method, a program, and a content distribution system that enable signaling of an ROI identifier of a video distributed by at least one of broadcast distribution or net distribution.A distribution device according to a first aspect of the present technology includes a segment filing unit configured to make a video stream of each of areas obtained by imaging an imaging range divided into a plurality of the areas into a segment file, a distribution unit configured to supply the segment file of the video stream of each of the areas to a reception side by at least one of net distribution or broadcast distribution, and a notification unit configured to notify, in a case where an ROI including one or more of the areas is set to the imaging range, the reception side of an ROI identifier for identifying the belonging ROI as attribute information related to the segment file corresponding to the area included in the ROI. The present technology can be applied to streaming distribution using DASH. |
| US11252475B2 |
System and method for managing streaming services
A gateway for location at a user premises is provided. Bother users and user devices are registered with the gateway which is provided by a service provider. Users access services, such as video streaming, on their user devices via the gateway. The gateway allows users to share content. The gateway collects information about the user's patterns of behaviour for the system provider, and can be used to directly obtain feedback from the users. |
| US11252474B2 |
System and method for managing streaming services
A gateway for location at a user premises is provided. Bother users and user devices are registered with the gateway which is provided by a service provider. Users access services, such as video streaming, on their user devices via the gateway. The gateway allows users to share content. The gateway collects information about the user's patterns of behaviour for the system provider, and can be used to directly obtain feedback from the user. |
| US11252467B1 |
Systems and methods for dynamically navigating content
Methods and systems for dynamically navigating content are provided. An input to perform content navigation may be detected; in response, several selectable navigation settings are displayed, each navigation setting being associated with a navigation interval. An input indicating a selection of a navigation setting may be received and an input about a navigation amount may be received. Based on the navigation amount, navigation within the navigation interval is performed. |
| US11252460B2 |
Signature matching with meter data aggregation for media identification
Example apparatus disclosed herein to implement signature matching with meter data aggregation for use in media identification applications include a match job aggregator to aggregate batches of meter data from a meter to form aggregated meter data associated with the meter, and a hash matcher to identify a valid hash key match between meter hash keys generated from meter signatures in the aggregated meter data and reference hash keys corresponding to a collection of media assets. Disclosed example apparatus also include a signature matcher to align, based on the valid hash key match, a sequence of reference signatures corresponding to a first media asset associated with the valid hash key match and a corresponding sequence of the meter signatures, and compare the sequence of reference signatures and the corresponding sequence of meter signatures to identify media represented by at least a portion of the sequence of the meter signatures. |
| US11252453B2 |
Fragment server directed device fragment caching
The media stream delivery system encodes and fragments media streams into numerous media stream fragments maintained on fragment servers. Devices obtain fragments to reconstruct media streams including live real-time media streams for playback on the devices. A device may perform caching of media stream fragments so that particular fragments need not be accessed again from a fragment server. A fragment server or even a content provider can analyze and monitor characteristics of media streams, viewing behavior, content popularity, etc., to identify fragments for caching at the playback devices. Caching indicators along with time period indicators may be included in the media stream fragments. |
| US11252452B2 |
Video encryption method and apparatus, image capture device and readable storage medium
The present disclosure discloses a video encryption method comprising: acquiring image frames continuously by using an image acquisition component, and storing the image frames into a frame buffer; acquiring a time encryption sequence, and using the time encryption sequence to obtain an address encryption sequence; and reading each of the image frames in the frame buffer according to the address encryption sequence to obtain an encrypted video when the frame buffer is full. The method continuously acquires the image frames and uses the time encryption sequence to obtain the address encryption sequence, and when the frame buffer is full, each of the image frames in the frame buffer is read according to the address encryption sequence to obtain an encrypted video. In addition, the present disclosure also provides a video encryption apparatus, an image capture device, and a computer readable storage medium, which also have the above-mentioned beneficial effects. |
| US11252449B2 |
Delivering content based on semantic video analysis
Various embodiments describe methods, systems, and devices for delivering secondary video content are disclosed. Exemplary implementations may perform, at a processor of a computing device, an active video semantic analysis on a segment of a first video content presented on a viewing device. The active video semantic analysis may identify an active video first visible element visible within the segment. Also, a secondary video content, that is not directly related to the first video content, may be matched based on a prior semantic analysis on the secondary video content that identified a secondary-video first visible element therein that is associated with the active video first visible element from the segment. In addition, the secondary video content may be presented on the viewing device immediately after the segment. |
| US11252448B2 |
Control based stream interruptions
Systems and methods are configured to provide alternate content during video streaming. Content made up of a plurality of blocks is streamed over a first video stream to a user computing device via a first URI. While streaming, a determination is made that alternate content is available. In response, a signaling mechanism is provided indicating such and a request for the alternate content is received. As a result, a particular block that is currently being provided over the first video stream is suspended and the alternate content is streamed to the user computing entity over a second video stream. Depending on the embodiment, the second video stream may be accessed by re-activating the first URI or by activating a second URI. Upon completion of the alternate content, the particular block that was suspended can be resumed to facilitate continued streaming of the content over the first or second video stream. |
| US11252446B2 |
Employing automatic content recognition to allow resumption of watching interrupted media program from television broadcast
The disclosure provides a method for employing automatic content recognition to allow resumption of watching interrupted media program from television broadcast. The method includes detecting a viewing cessation of a media program on a channel of a media device. A television broadcaster provides media content including the channel. The channel includes the media program. The method also includes, in response to detecting the viewing cessation of the media program, identifying the channel, the media program, the television broadcaster, and a location of the viewing cessation within the media program. The method further includes detecting a viewing recommencement of the channel of the media device. In response to detecting the viewing recommencement, the method includes overlaying a selectable indicator on the channel. The selectable indicator is configured to receive a selection input to resume viewing of the media program starting at the location of the viewing cessation of the media program. |
| US11252443B2 |
Method and apparatus for video coding
Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes processing circuitry. The processing circuitry receives coded information of a current coding tree unit (CTU) from a coded video bitstream. Then, the processing circuitry determines a context model for a split flag associated with a current block within the current CTU at least partially based on split information of a corresponding block in a reference CTU for the current CTU. The split flag associated with the current block is indicative of split information of the current block. Then, the processing circuitry determines the split flag based on the context model, and decodes the current block based on the split flag that is determined based on the context model. |
| US11252439B2 |
Flexible tree partition and representation for point cloud coding
A method of decoding encoded information of a point cloud may be performed by at least one processor and comprises: obtaining an encoded bitstream, the encoded bitstream including encoded information of a point cloud including a set of points in a three-dimensional space; and determining a type of partitioning used to encode the information of the point cloud by at least one of parsing signals of at least three binary syntaxes or inferring at least one syntax of the at least three binary syntaxes. |
| US11252436B2 |
Video picture inter prediction method and apparatus, and codec
A video picture inter prediction method includes determining an inter prediction mode used to perform inter prediction on a current picture block, where the inter prediction mode is one mode in a candidate inter prediction mode set, and the candidate inter prediction mode set includes a plurality of inter prediction modes used for a non-directional motion field or a plurality of inter prediction modes used for a directional motion field, and performing inter prediction on the current picture block based on the determined inter prediction mode. |
| US11252435B2 |
Method and apparatus for parametric, model-based, geometric frame partitioning for video coding
There are provided methods and apparatus for adaptive geometric partitioning for video encoding and decoding. An apparatus includes an encoder for encoding image data corresponding to pictures by adaptively partitioning at least portions of the pictures responsive to at least one parametric model. The at least one parametric model involves at least one of implicit and explicit formulation of at least one curve. |
| US11252428B2 |
Method and device for encoding and decoding parameter sets at slice level
Provided is a method for encoding parameter sets at slice level. The method includes: when there are one or more parameter sets, in which the coding tool parameters are identical to the coding tool parameters of a part of coding tools used for the current slice, in the existing parameter sets, encoding the identifiers of parameter sets into bit-stream of the current slice, wherein a parameter set contains common information of the coding tools used in the process of encoding/decoding slice(s). Correspondingly, also provided is a method for decoding parameter sets at slice level and a device for encoding and decoding parameter sets at slice level, which can make full use of the encoded parameter set information when the slice header refers to a plurality of parameter sets, implement flexible configuration of the coding tools used in the process of encoding/decoding slice(s) and reduce information redundancy. |
| US11252427B2 |
Method for decoding image and apparatus using same
A method or coding image information, according to the present invention, comprises the steps of: binarizing according to different techniques, index values of forward prediction, backward prediction, and bidirectional prediction, depending on whether the bidirectional prediction is applied when inter-predicting a current block; and entropy coding a binarized codeword, wherein whether to apply the bidirectional prediction when inter-predicting the current block can be determined on the basis of the size of the current block. As a result, provided are a method for binarizing an inter-prediction direction of a prediction unit having a specific size, and an apparatus using same. |
| US11252425B2 |
Method and apparatus for video coding
An apparatus includes processing circuitry for video decoding. The processing circuitry locates luma units of a luma coding unit that are co-located with chroma units of a chroma coding unit, and then determines a popularity of an intra block copy mode in the luma units. Further, the processing circuitry determines a block vector for a chroma unit in the chroma coding unit when the popularity meets a requirement, and reconstructs at least one sample of the chroma unit according to the block vector. |
| US11252423B2 |
Method and apparatus for coding video having temporal scalability, and method and apparatus for decoding video having temporal scalability
Provided are a video encoding method and apparatus having temporal scalability, and a video decoding method and apparatus having temporal scalability. The video encoding method includes: splitting pictures included in a picture sequence into temporal sub-layers; classifying, as a first temporal layer access picture or a second temporal layer access picture, a temporal layer access picture based on whether a picture encoded after the temporal layer access picture is capable of referring to a picture encoded before the temporal layer access picture; and adding, to transmission unit data including the temporal layer access picture, type syntax information for identifying the first temporal layer access picture and the second temporal layer access picture, wherein the picture encoded after the temporal layer access picture belongs to a same temporal sub-layer as the temporal layer access picture or belongs to an upper temporal sub-layer to the temporal layer access picture. |
| US11252421B2 |
Method, device and system for encoding and decoding image
Disclosed are methods, apparatuses, and systems for encoding and decoding an image. The present invention provides an intra prediction unit receives an input image, removes high frequency ingredients by low pass filtering an encoded luma pixel value in the input image during intra prediction, and generates a prediction block by predicting a chroma pixel value by using a low pass filter (LPF) LM chroma mode for applying an LM chroma mode, which is an extended chroma mode technique for generating a prediction block by predicting the chroma pixel value by applying a correlation between color planes to the luma pixel value having removed therefrom the high frequency ingredients. |
| US11252400B2 |
Method, device, and recording medium for processing image
Disclosed is a method, performed by a device, of processing an image, the method including: for an original image at a particular time point among a plurality of original images having a sequential relationship in terms of time, determining a cumulative value due to an afterimage of another original image before the particular time point; based on the determined cumulative value and the plurality of original images, obtaining a plurality of blur compensation images for removing a blur caused by the afterimage; and outputting the obtained plurality of blur compensation images. |
| US11252398B2 |
Creating cinematic video from multi-view capture data
Configuration parameters associated with the generation of a cinematic video may identify object components, an order in which to display the object components, and an object type. A multi-view representation that is navigable in one or more dimensions and that includes images of an object captured from different viewpoints may be identified. A cinematic video of the object may be generated based on a subset of the images, arranged in an order based on the configuration parameters. |
| US11252394B2 |
Lens apparatus and imaging apparatus including the same
A lens apparatus includes two different optical systems. Each of the two optical systems includes a front lens unit having negative refractive power, an intermediate lens unit, and a rear lens unit disposed in this order from an object side to an image plane side. Each of the intermediate lens units in the two optical systems includes a first reflecting member for bending an optical path at a position adjacent to the front lens unit, and a second reflecting member for bending the optical path at a position adjacent to the rear lens unit. The following conditional expression is satisfied: 0.05 |
| US11252384B2 |
Semiconductor light source driving device and projection image display device
A semiconductor light source driving device includes: a switching power supply circuit that converts a voltage across direct current (DC) power supply into a DC output voltage and outputs the DC output voltage to a semiconductor light source; and a light source driving circuit connected in series to the semiconductor light source. The switching power supply circuit includes: a switching circuit; an output capacitor; a controller; and an inductor short circuit. The switching circuit includes: a first switching element for voltage control; a second switching element connected in series to the first switching element; and an inductor connected to a connection point between the first and second switching elements. The inductor short circuit includes a diode and a fourth switching element connected in series to the diode. |
| US11252380B2 |
Road management system
A road management system includes: an avoiding action detecting section that detects an avoiding action of a moving body (a vehicle, a first vehicle) moving along a road; a position detecting section that detects a position of the moving body (the vehicle, the first vehicle); an avoidance position determining section that determines an avoidance position where the avoiding action has occurred, based on a detection result of the avoiding action detecting section and a detection result of the position detecting section; and an imaging section that images a road surface of the avoidance position. |
| US11252377B2 |
Camera device, gas leakage check system, gas leakage check method, and gas leakage check program
A camera device includes a cooling unit that cools an imaging element, a first generation unit that generates stored information (the stored information includes current time and a current position acquired with use of a GPS signal during an operating term of the cooling unit, operating time of the cooling unit measured during the operating term, and identification information of the camera device), a communication unit that transmits the stored information to a server device, a second generation unit that generates image capturing information (the image capturing information includes the current time and the current position acquired with use of the GPS signal during the operating term, the operating time of the cooling unit measured during the operating term, and the identification information of the camera device), and a third generation unit that generates an image associated with the image capturing information based on an infrared image captured by the imaging element during the operating term. |
| US11252368B2 |
Photoelectric conversion element and imaging device
A photoelectric conversion element includes pixels that receive light and each generate charge in response to light incidence. The pixels include a first pixel that performs a first readout operation to read a reset signal and an optical signal and a second pixel on which a readout operation is performed at the same time as that of the first pixel and that performs selectively either the first readout operation or a second readout operation to read the reset signal. The photoelectric conversion element further includes, in association with each pixel, a first holding unit that holds the reset signal and the optical signal, and a first switch that controls writing to the first holding unit. A control line that controls the first switch associated with the first pixel and a control line that controls the first switch associated with the second pixel are formed of separate wirings. |
| US11252366B2 |
Sensor read out mode for high resolution and low light imaging in-sync with LIDAR timing
This disclosure describes devices, systems, and methods that relate to obtaining image frames with variable resolutions in synchronization with a clock source. An example device may include an image sensor, a clock input, and a controller. The controller includes at least one processor and a memory. The at least one processor is operable to execute program instructions stored in the memory so as to carry out operations. The operations include receiving, by the clock input, a clock signal. The clock signal is a periodic signal defining at least one scan interval. The operations also include during the scan interval, causing the image sensor to capture a full resolution image frame. The operations yet further include during the scan interval, causing the image sensor to capture at least one reduced resolution image frame. |
| US11252364B2 |
Image sensing device generating ramp voltage with coarse ramp current and fine ramp current for single ramp period
An image sensing device includes a coarse current generation circuit suitable for generating a coarse ramp current adjusted to a coarse level for a single ramp period, a fine current generation circuit suitable for generating a fine ramp current adjusted to a fine level for the single ramp period, and a current-to-voltage conversion circuit suitable for generating a ramp voltage corresponding to a resultant current of the coarse ramp current and the fine ramp current for the single ramp period. |
| US11252363B2 |
Image sensors and methods of operating the same
An image sensor includes a pixel array of pixels arranged in one or more rows and one or more columns, the pixel array configured to generate an image based on light being incident on one or more pixels of the pixel array. The image sensor includes pixel load circuitry connected to one column of pixels and including transistors serially connected to each other. The image sensor includes switches connected in parallel to separate, respective nodes between adjacent transistors. The image sensor includes image sensor processing circuitry configured to receive, from image processor circuitry, gain information indicating an intensity of light concurrently with an image being generated by the image sensor, and control at least one switch of the plurality of switches to be turned on/off to change an electrical path of a current that passes through the pixel load circuitry, based on the gain information. |
| US11252362B2 |
Imaging element, imaging device, and imaging method
A process of manufacturing an imaging element is simplified. The imaging element includes a polarization pixel and a phase difference pixel. The polarization pixel included in the imaging element includes a polarizer transmitting incident light having a specific polarization direction and generates an image signal based on the incident light being from a subject and being transmitted through the polarizer. The phase difference pixel included in the imaging element includes a light shielding film being formed simultaneously with the polarizer and being disposed to be shifted in a predetermined pupil-division direction for pupil-dividing the incident light from the subject and generates an image signal for detecting a phase difference. |
| US11252361B2 |
Imaging element, imaging device, and information processing method with image restoration pixels and unidirectional pixel
An imaging element, an imaging device, and an information processing method are disclosed. In one example, an imaging element includes pixel output units configured for independently setting incident angle directivity for incident light incident through both of an imaging lens and a pinhole. The pixel output units include image restoration pixel output units arranged in a matrix, at least some of the pixel output units having the incident angle directivity both in a row direction and in a column direction of the matrix, and a unidirectional pixel output unit having the incident angle directivity only in the row direction of the matrix or only in the column direction of the matrix. |
| US11252356B2 |
Imaging element, driving method, and electronic device
A pixel is included, the pixel including a photoelectric conversion portion configured to convert incident light to a charge by photoelectric conversion and accumulate the charge, a charge transfer unit configured to transfer the charge generated in the photoelectric conversion portion, a diffusion layer to which the charge is transferred through the charge transfer unit, the diffusion layer having a predetermined storage capacitance, a conversion unit configured to convert the charge transferred to the diffusion layer to a pixel signal, and connection wiring configured to connect the diffusion layer and the conversion unit. The connection wiring is connected to the diffusion layer and the conversion unit through contact wiring extending in a vertical direction with respect to a semiconductor substrate on which the diffusion layer is formed and is formed closer to the semiconductor substrate than other wiring provided in the pixel. |
| US11252352B2 |
Pixel sensor cell for CMOS image sensors with enhanced conversion gain at high dynamic range capability
The present invention relates to a pixel sensor cell (1) for a CMOS sensor device comprising: —a photodiode (11) for generating photoelectrons; —a first transfer transistor (12) coupling the photodiode (11) with an intermediate node (IN) and configured to be controlled by a first control signal (TX1); —a gain reducing capacitance (CHD) applied on the intermediate node (IN); —a second transfer transistor (14) coupling the intermediate node (IN) with a sense node (SN) and configured to be controlled by a second control signal (TX2); —an output buffer (15) coupled with the sense node (SN) and configured to amplify a potential on the sense node (SN). |
| US11252350B2 |
Image sensor, camera module, mobile terminal, and image acquisition method
An image sensor, a camera module, a mobile terminal, and an image acquisition method are provided in the present disclosure. The image sensor includes a repeating unit in a two-dimensional pixel array. The repeating unit includes a plurality of color pixels and a plurality of transparent pixels. In the repeating unit, the plurality of transparent pixels are disposed along a first diagonal line and one or more first parallel lines parallel to the first diagonal line, and the color pixels are disposed along a second diagonal line and one or more second parallel lines parallel to the second diagonal line. The first diagonal line is different from the second diagonal line. |
| US11252345B2 |
Dual-spectrum camera system based on a single sensor and image processing method
Provided are a dual-spectrum camera system based on a single sensor and an image processing method. The camera system includes a lens, an image sensor, and a logical light separation module and an image fusion module that are sequentially connected to the image sensor. The image sensor includes red-green-blue (RGB) photosensitive cells and infrared radiation (IR) photosensitive cells. An infrared cut-off filter layer is arranged on a light incoming path of the RGB photosensitive cells. The image sensor receives incident light entering through the lens to generate an original image and sends the original image to the logical light separation module. The logical light separation module converts and separates the original image into a visible light image and an infrared image, and sends the visible light image and the infrared image to the image fusion module to generate a fused image. |
| US11252341B2 |
Method and device for shooting image, and storage medium
A method for shooting image, applied to an electronic device in which an image capturing device is mounted, includes: receiving a first input from a user; responsive to the first input, acquiring a first image and a second image captured by the image capturing device for a target object, a framing range of the first image being same as a framing range of the second image; and performing synthesis processing on the first image and the second image to generate a target image, the target image including a first object image of the target object in the first image and a second object image of the target object in the second image. |
| US11252340B1 |
Motion detection system with flicker compensation
A motion detection system with flicker compensation includes an image sensor that captures a first image for motion detection and a second image for flicker detection, the second image having a resolution lower than the first image; a controller that controls the image sensor to output either the first image or the second image; a motion detection device that receives first images and performs motion detection on the first images; and a flicker detection device that receives second images and performs flicker detection on the second images to generate a time offset, which is fed to the controller to update a wakeup cycle for coordinating the image sensor. |
| US11252332B2 |
Image photography apparatus
An information processing apparatus that includes a camera unit including an imaging sensor that captures an image; a display that displays an image; and a processor that: clips an image region having a size corresponding to a photography zoom power from an image captured by the camera unit; adjusts a clipping position at a time of clipping the image region from the image; and controls the display to display the clipped image region on the display. |
| US11252330B2 |
Display control apparatus and control method therefor
A display control apparatus includes detection means (a proximity sensor 75) configured to detect that an object has approached, and control means (a system control unit 50) configured to perform control such that in response to the detection means detecting that the object has approached, a display of a first display unit (a monitor 28) is turned off. In a case where interval shooting or long exposure shooting is performed, the control means performs control such that in response to the detection means detecting that the object has approached (S411), the display of the first display unit is turned on (S413). |
| US11252328B2 |
Electronic device and method for controlling the same
An electronic device includes an acquisition unit configured to acquire a first half-celestial sphere image; a generation unit configured to generate a second half-celestial sphere image by horizontally or vertically inverting the first half-celestial sphere image; a combining unit configured to generate an entire-celestial sphere image by connecting the first half-celestial sphere image and the second half-celestial sphere image together; and a recording unit configured to record the generated entire-celestial sphere image on a recording memory. |
| US11252327B1 |
Method and system for performing a contextual stitching operation on video data using a data processing unit
A method for processing video data is performed by a data processing unit (DPU). The method includes identifying, by the DPU of an edge device, a contextual stitching trigger event; in response to identifying the contextual stitching trigger event: identifying video data chunks, contextual metadata, indexing metadata, and authentication and authorization (AA) metadata associated with the contextual stitching trigger event; generating a virtual blob based on the video data chunks, contextual metadata, indexing metadata, and authentication and authorization AA metadata; making a first determination that a playback request is obtained from a user, wherein the playback request comprises user authentication information; and in response to the first determination: making a second determination that the user authentication information matches the AA metadata; and in response to the second determination; encoding the video data chunks into a single stream and initiating playback for the user. |
| US11252325B2 |
Real time assessment of picture quality
A computerized method for computing the photo quality of a captured image in a device image acquisition system, comprising on-board combining of a plurality of quality indicators computed from said captured image and its previous image frames quality indicators and a confidence level for at least one of said quality indicators, and using a processor to determine, based on said combining, whether photo quality is acceptable and taking differential action depending on whether quality is or is not acceptable. |
| US11252320B2 |
Determining whether a camera is out-of-focus
A method for determining whether a video camera is out-of-focus comprises: capturing image data; setting a focus setting difference threshold based on a filter function configured to filter the image data; adjusting a focus setting between a present focus setting and an altered focus setting such that a first subset of the image data is captured with the video camera being set in the present focus setting and such that a second subset of the image data is captured with the video camera being set in the altered focus setting, wherein the adjusting is performed such that a difference between the present and altered focus settings is below the threshold; forming the video stream by applying the filter function on the image data; determining first and second focus metrics of the image data; and determining whether the video camera is out-of-focus by comparing the first and second focus metrics. |
| US11252316B2 |
System and method for optical alignment and calibration of an infrared camera lens
A system for optical alignment and calibration of an infrared camera lens, including: a lens support mechanism configured to adjust a position of an infrared camera lens relative to a camera body that includes: a hexapod platform and a robotic arm to manipulate the position of the infrared camera lens that extends from the hexapod platform and is coupled thereto to be continually oriented parallel to the hexapod platform and to maintain the infrared camera lens continually oriented parallel to the orientation of the hexapod platform; at least one collimator configured to output infrared rays, wherein the at least one collimator is positioned such that the output infrared rays converge on an infrared sensor within the camera body through the infrared camera lens; and at least one curing catalyst configured to cure an adhesive placed on the infrared camera lens when an ideal lens position is determined. |
| US11252315B2 |
Imaging apparatus and information processing method
In a pixel 110, a microlens layer 112 includes a microlens for each pixel region. A color filter layer 114 allows passage of light of a given color. A polarizer layer 116 includes a polarizer that allows passage of a polarization component in a given direction in some or all pixel regions and acquires a normal vector of a subject through a detection value thereof. A photoelectric conversion layer 118 includes a plurality of photodiodes in the pixel regions. A distance to a feature point of the subject is acquired through phase difference based on the detection value. |
| US11252314B2 |
Mobile terminal with distal lenses and method of using mobile terminal to determine distance, range and dimension of an object
A mobile terminal is provided that includes a camera configured to capture an image. The mobile terminal also has at least one distal lens disposed remotely from the camera, and a connector connecting the at least one distal lens to the camera. The connector is configured to direct light from the at least one distal lens to the camera. In particular, the connector is arranged to allow the at least one distal lens to move independently with respect to the camera. |
| US11252312B2 |
Lens bracket assembly and gimbal used therewith
A lens bracket assembly for supporting an imaging device. The imaging device includes a body and a lens connected to the body. The lens bracket assembly includes a mounting plate, a supporting plate configured for carrying the imaging device, and a bracket. The mounting plate includes a first surface and two inner sidewalls extended from two opposing ends of the first surface along a direction substantially perpendicular to the first surface. The two inner sidewalls provide first sliding slots. The supporting plate includes a first side and two outer sidewalls providing second sliding slots, and is slidably disposed on the mounting plate with the second sliding slots matching the first sliding slots at corresponding positions. The bracket is coupled to the first side of the supporting plate, and includes a shape that matches the lens of the imaging device. |
| US11252310B2 |
Camera module, electronic device and photographing method
A camera module, an electronic device and a photographing method are disclosed, which relates to the field of camera devices, in order to mitigate or alleviate the problem of an excessively small view angle for the existing camera module. The camera module includes a fixing member, a photographing unit connected with the fixing member via a connection shaft, a driving component including a first magnetic member and a first conductive member. Either of the first magnetic member and the first conductive member is fixed to the photographing unit, the other is fixed to the fixing member. The first conductive member is arranged to be located in a magnetic field of the first magnetic member so as to generate, when the first conductive member is energized, a driving force capable of driving the photographing unit to rotate around the connection shaft in the magnetic field of the first magnetic member. |
| US11252307B2 |
Imaging device and imaging system
A first lateral surface, a second lateral surface, an upper surface, and a bottom surface of a housing of an imaging device is formed of metal and at least two surfaces among the first lateral surface, the second lateral surface, the upper surface, and the bottom surface include a groove region formed of a plurality of grooves. |
| US11252305B2 |
Processing apparatus, image device and system with image data via single common data bus
Provided is a processing apparatus including a processing unit that is connectable to a data bus, and performs output control on respective images captured by a plurality of image sensors connected to the data bus during a predetermined period of time. A timing of output of the image performed by each of the plurality of image sensors is changed by the output control. |
| US11252301B2 |
Adjusting sharpness and details in upscaling output
Enabling adjustment of sharpness and details of an input image in upscaling, including: applying a Fourier transform function on a brightness channel of the input image to generate a 2-D frequency map; adjusting the 2-D frequency map to control a target amount of sharpness and details in an upscaled output image; and using the adjusted 2-D frequency map as an additional input channel along with standard color image data for a training and upscaling process. |
| US11252300B2 |
Training and upscaling of large size image
Training and upscaling a large-sized input image, including: dividing the large-sized input image into a plurality of small-sized sub-pictures; expanding each sub-picture of the plurality of small-sized sub-pictures using target padding pixels to produce an expanded sub-picture; upscaling each sub-picture using an ML-based upscaler to produce an expanded upscaled sub-picture; cropping the expanded upscaled sub-picture to an upscaled size equal to an original size of each sub-picture multiplied by an upscaling factor; repeating expanding, upscaling, and cropping for the plurality of sub-pictures; and concatenating the plurality of cropped sub-pictures to produce an output image. |
| US11252299B1 |
High dynamic range color conversion using selective interpolation for different curves
Embodiments relate to pixel conversion of images for display. A circuit converts input pixel values of an image using a color conversion function. The circuit is operable in different modes where each mode uses a different color conversion function. A lookup table memory circuit stores a mapping of color converted values and input pixel values according to the mode of operation where the mapping represents the color conversion function associated with the mode. The circuit produces a color converted value from the lookup table as a color converted version of a first input pixel value responsive to the first input pixel value being within a first range. The circuit may also produce a color converted version of a second input pixel value by interpolating a subset of the color converted values received from the lookup table responsive to the second input pixel being within a second input range. |
| US11252295B2 |
Sheet feeding device, image reading apparatus and image forming apparatus
A sheet feeding device includes a stacking tray, a feeding portion, a first restricting member which includes a first restricting surface and a first supporting portion, a second restricting member which includes a second restricting surface and a second supporting portion, and an interrelating portion. In a state in which the first restricting surface and the second restricting surface are brought closest to each other, a part of the first restricting portion is positioned on a second restricting surface side with respect to a center line of the stacking tray, and a part of the second restricting portion is positioned on a first restricting surface side with respect to the center line. |
| US11252293B2 |
Recording apparatus
A recording apparatus includes: a recording unit that performs recording on a medium; a medium discharging section that discharges the medium on which recording has been performed; a medium receiving section that receives the medium discharged by the medium discharging section; a face-down discharge path that guides, to the medium discharge section, the recorded medium with a recorded side thereof facing downward; a document movement path that is provided at an upper part of a housing constituting an outer casing of the recording apparatus and along which a document moves; and a reading unit provided in the document movement path to read the document. The medium receiving section also serves as a support tray that supports the document to be inserted into the document movement path or the document exiting from the document movement path. |
| US11252291B2 |
Image forming apparatus with history record display information and method of controlling image forming apparatus
It is assumed that a user changed a set value of paper selection, which is one of setting items of various setting items, from “auto” to “A3”. According to one embodiment, a controller extracts history records in which the set value of the paper selection is “A3” from setting information history in a storage, and arranges them to the side of the various setting items in chronological order. Specifically, the controller displays three pieces of setting information, starting with the latest setting information, followed by older setting information, on the right side of the various setting items. In displaying the pieces of setting information, in order to clarify and highlight parts having discrepancies relative to the set values of the various setting items, the color may be changed, a box may be used to surround such a part, or characters may be displayed in bold. |
| US11252288B2 |
Information processing apparatus for communicating with image forming apparatus and control method for controlling the same
In a case where extension information is included in information regarding presets provided by a printing apparatus, an information processing apparatus prohibits a host side from editing the presets, thereby preventing the occurrence of a conflict between settings of a print job. In a case where extension information is not included in the presets, the information processing apparatus allows the host side to edit the presets, thereby providing a method for changing some of the presets to a user. |
| US11252286B2 |
Voice control device, printing apparatus, control methods thereof, and storage medium
In the case where a voice control device can communicate with a printing apparatus and a display apparatus, a user is provided with visual presentations of notifications on the display apparatus where print processing instructions are provided to the printing apparatus based on user instructions issued to the voice control device by voice. |
| US11252285B1 |
System implementing non-contact interaction with publicly shared machines
A menu of processing options of a publicly shared machine is presented on a user interface of a remote computerized device using an application (app). The publicly shared machine can include a printing component, a scanning component, a non-contact user identification component, etc. The app creates a job from options selected from the menu. The job is transmitted from the app to the publicly shared machine. The publicly shared machine notifies the app of availability to perform the job. In turn, the app provides a notice on the user interface of the remote computerized device that the publicly shared machine is available to perform the job. These methods further identify the user present at the publicly shared machine using the non-contact user identification component, allowing the publicly shared machine to perform the job based on the non-contact user identification, without requiring additional user interaction with the publicly shared machine. |
| US11252284B2 |
Image processing apparatus associating with external apparatus, control method, and storage medium
An image processing apparatus including a transmission function for transmitting an image sets whether to permit use of a destination not previously registered. The image processing apparatus also receives, from an external apparatus, data including at least a destination field. The image processing apparatus sets the transmission destination based on destination information included in the destination field of the received data upon a condition that a setting is set permitting use of a previously un-registered destination and does not set the transmission destination based on the destination information included in the destination field of the received data upon a condition that a setting is set prohibiting use of a previously un-registered destination. |
| US11252283B2 |
Storage medium, and method and apparatus for managing printing
A computer-readable storage medium storing a program that causes a computer to execute a process, the process includes receiving a first identifier that is input when an application is used on a terminal; identifying, in accordance with the received first identifier, a storage that is associated with the first identifier and that stores file information; transmitting to the identified storage an acquisition request to acquire part or all of the file information stored in the storage; transmitting to the terminal a list of the part or all of the file information transmitted from the storage in response to the acquisition request; receiving from the terminal an item of file information selected from the list of the part or all of the file information; acquiring a file corresponding to the received item of file information from the storage; and transmitting the acquired file to a print server that performs printing processing. |
| US11252277B2 |
Dynamic anti-disturb techniques in telephony
Filtering incoming calls according to predicted preferences of a user. User preferences are predicted by analysis of user behavior, online activity, oral queues, and purchasing history. Data analysis includes weighting caller and user attributes according to a scheme that is dynamically updated by applying user feedback and/or machine learning processes. |
| US11252274B2 |
Messaging application sticker extensions
Systems and methods are provided for performing operations including: receiving, with a messaging application implemented by one or more processors of a user device, a communication from a given application representing a first user interaction with the given application; generating, with the messaging application, a list of graphical elements based on the communication received from the given application; displaying, with the messaging application, the list of graphical elements; receiving, with the messaging application, a user selection of a first graphical element from the list of graphical elements; and incorporating, with the messaging application, the graphical element selected by the user into a message for transmission to another user. |
| US11252272B2 |
Electronic device including button and method for operation in electronic device
Various embodiments relate to an electronic device including a button and a method for an operation in the electronic device. The electronic device may include: an elongated housing comprising a first end and a second end; a dielectric tip disposed at the first end; a button arranged on an outer surface of the housing; a first circuit connected to the dielectric tip and configured to receive a first electromagnetic signal from a touchscreen display of an external device and to transmit a second electromagnetic signal to the display of the external device; a second circuit configured to wirelessly receive and transmit a third signal; and a control circuit operatively connected to the first circuit and the second circuit. The control circuit may be configured to: detect pressing and/or touching of the button while the first electromagnetic signal is received through the first circuit and transmit the second electromagnetic signal while preventing the second circuit from transmitting the third signal; and detect pressing and/or touching of the button without receiving the first signal through the first circuit and transmit the third signal while the second signal is not transmitted. |
| US11252271B2 |
Portable communication terminal equipment case
A portable communication terminal equipment case attached to terminal equipment including an enclosure having a front surface and a rear surface in which a camera lens is located, the equipment case includes a case body and a support unit including a first rotary section making a support unit rotatable around an axis perpendicular to an exterior surface of the case body, a first plate-piece section integral with the first rotary section, a second rotary section rotatable around an axis parallel with the exterior surface; and a second plate-piece section coupled to one end of the first plate-piece section via the second rotary section. A rotation axis center of the first rotary section is located adjacent to other-end short side in a longitudinal direction, at which the camera lens is not located, and offset in a direction toward one of corners with respect to a middle position of the short side. |
| US11252267B2 |
Content stream integrity and redundancy system
A system can include one or more content distribution sites to provide content to one or more content satellite offices for delivery toward a set of destination devices for display. A content distribution site, of the one or more content distribution sites, can include one or more streamer devices. The one or more streamer devices can be associated with a single spoofed Internet protocol (IP) address. The spoofed IP address can facilitate failover among the one or more streamer devices. The one or more streamer devices can be configured to provide the content toward the set of destination devices using multicast with forward error correction (FEC). A content satellite office, of the one or more content satellite offices, can be configured to subscribe to a multicast group associated with the one or more streamer devices. The multicast group can be associated with the spoofed IP address to facilitate the failover among the one or more streamer devices. |
| US11252263B2 |
Method and apparatus for efficient communication packet generation in internet of things (IOT)
Techniques for efficient communication packet generation in internet of things (IOT) include presenting an application programming interface to each of a plurality of protocols in a plurality of different layers of a network communications protocol stack. A single packet buffer is configured in memory to hold headers for all of the plurality of protocols for a packet directed to a first destination node. Pointers are also stored in memory to tables maintained by the plurality of protocols. In response to receiving input at the application programming interface from a first protocol, at least one bit is updated in the single packet buffer based on the input and on data in a table maintained by a different second protocol of the plurality of protocols. |
| US11252256B2 |
System for association of customer information across subscribers
The disclosed technology relates to a context service system configured to receive, from a subscriber, a shared customer lookup request that includes a first customer data identifier and identify, in a shared data partition, a second customer data identifier associated with the first customer data identifier. The context service system is further configured to determine that the second customer data identifier is associated with customer information in a subscriber data partition and transmit, to the subscriber system, the customer information from the subscriber data partition. |
| US11252244B1 |
System and method for web-session recording
A web-session recording system comprising at least one processing circuitry configured to: provide instructions, executable as part of execution of a webpage executable by a web browser executing on a user device, the instructions designed to cause recording of a web-session, wherein executing the instructions as part of the webpage on the user device results in sending an execution indication, indicating of successful execution of the instructions, from the user device to the web-session recording system; upon the web-session recording system not receiving the execution indication after an attempt to execute the instructions on the user device, record (a) requests sent from the user device associated with the web-session to the web-session recording system, and (b) responses sent from the web-session recording system to the user device associated with the web-session. |
| US11252243B2 |
Systems and methods for dynamically managing capabilities on network monitoring devices
Techniques for dynamically managing capabilities on network monitoring devices are provided. A client application interface associated with a client device for a user to manage network capabilities on network monitoring devices may be provided. An indication of the user renting a first network capability from the client device may be received. The first network capability may be enabled on a first network monitoring device associated with the user. |
| US11252240B2 |
Method to transmit messages between a device and a remoter server
In order to allow an access to the Internet, and therefore to a remote server, for a device having no connection with an Internet gateway, a method to transmit a message from a first device to a remote server, the first device having no connection with the remote server, the method including detecting a second device by the first device, establishing a communication channel between the first and the second device, transferring the message from the first to the second device, the message including an address of the remote server, transferring, by the second device, the message to the remote server using the remote server address contained in the message. |
| US11252239B2 |
Enabling communications between devices
A method of establishing a communications path between devices comprising: receiving, at a first device, data, the data comprising: a first resource having a first identifier for a second device remote from the first device; a second resource having a second identifier for the second device; addressing the second device with the first identifier; generating, at the first device, first connection data based on the second identifier; transmitting, from the first device to the second device, the first connection data; receiving, at the first device, second connection data; validating, at the first device, the second connection data; establishing the communications path between the first device and second device responsive to valid second connection data. |
| US11252234B1 |
Containerized gateways and exports for distributed file systems
Systems and method for improved creation and management of distributed file systems are provided. In one embodiment, a method is provided that includes creating a plurality of containers within a cloud computing environment and executing, within the plurality of containers, a plurality of gateways for a distributed file system. Exports of the distributed file system may be assigned to a subset of the plurality of gateways. The exports may correspond to an exclusive subset of the distributed file system. The method may also include responding to requests to access exports of the distributed file system using containers executing gateways assigned to corresponding exports of the distributed file system. |
| US11252232B2 |
NVME-of queue management in host clusters
A computer-implemented method manages I/O queues in a host clustered system. The method includes, receiving, from a first virtual machine (VM), a request to establish a set of I/O queues in a storage system, and the first VM is supported by a first host. The method further includes, mapping a data volume to a target storage system, wherein the data volume is related to the request. The method includes, sending a first connection request from the first host to the target storage system. The method further includes, establishing, in response to the first connection request, a connection between the first host and the target storage system. The method incudes, blocking a second connection request, wherein the second connection request is directed to a second storage system, the second storage system being included in the storage system. |
| US11252230B2 |
Mirroring to multiple destinations using a monitoring function
In some embodiments, a method processes a first packet and generates a first copy of the first packet as a second packet. The method sends second copies of the first packet to a first group of multiple destinations defined by a first address. Also, the method sends the second packet to an interface with a loopback function. The interface recirculates the second packet for further processing. The second packet is processed where the second packet is assigned a destination of a second address. Then, the method sends copies of the second packet to a second group of multiple destinations defined by the second address. |
| US11252226B2 |
Methods and apparatus for distribution of application computations
The present disclosure relates to methods and apparatus for computer processing. Aspects of the present disclosure can determine at least one of a quality, latency, or capacity of a communication link for communication between a client device and a server. Aspects of the present disclosure can also determine a computational load for an application computation between the client device and the server. Moreover, aspects of the present disclosure can adjust a computational distribution for the application computation between the client device and the server based on at least one of the computational load for the application computation or the at least one of the quality, latency, or capacity of the communication link. Aspects of the present disclosure can also determine a computational capacity of at least one of the client device or the server. |
| US11252224B2 |
Utilizing multiple connections for generating a job result
A method to assist with processing distributed jobs by retrieving and/or synchronizing supplemental job data. The method includes receiving a request pertaining to a job from a first virtualized execution environment using a non-persistent connection between the first virtualized execution environment and a second virtualized execution environment, transmitting, by the secondary machine using a persistent connection between the first virtualized execution environment and the second virtualized execution environment, a task request for supplemental information pertaining to the job, generating a job result for the job based on the supplemental information received from the first virtualized execution environment via the persistent connection, and transmitting, to the first virtualized execution environment, the job result for the job using the non-persistent connection. |
| US11252222B2 |
Coordinated processing of data by networked computing resources
Systems, methods, and computer-readable media for coordinating processing of data by multiple networked computing resources include monitoring data associated with a plurality of networked computing resources, and coordinating the routing of data processing segments to the networked computing resources. |
| US11252220B2 |
Distributed code execution involving a serverless computing infrastructure
A method for distributed code execution involving a first serverless computing infrastructure, the first serverless computing infrastructure comprising one or more first infrastructure nodes, the one or more first infrastructure nodes comprising a first invocation controller node and one or more first executing nodes, the one or more first infrastructure nodes being communicatively coupled to one or more client nodes, the one or more client nodes being external to the one or more first infrastructure nodes, the method comprising receiving event information, identifying application logic associated with the event information, selecting, from an invoker group, an invoker node for executing the application logic, causing the invoker node to execute the application logic, causing the invoker node to provide a result of the executed application logic, and receiving the result. |
| US11252219B2 |
Method and apparatus for downloading a file
A method of downloading a file to a device includes receiving a request to download one of one or more files stored in a cloud server, confirming whether the requested file is stored in registered devices which are connected through a network, determining priorities of the cloud server and the registered devices which store the requested file, and downloading the requested file from the cloud server and the registered devices which store the requested file, based on the priorities. |
| US11252213B2 |
Multiple flinging devices in a media fling system
Aspects of the disclosure relate to a content fling system and method. The content fling system may support a plurality of users flinging content or media at various times including simultaneously to the same output device. The content fling system may further support users flinging from various locations. The content fling system can also support a single content item being played back on a plurality of output devices. |
| US11252212B2 |
Redundant media packet streams
This invention concerns the transmitting and receiving of digital media packets, such as audio and video channels and lighting instructions. In particular, the invention concerns the transmitting and receiving of redundant media packet streams. Samples are extracted from a first and second media packet stream. The extracted samples are written to a buffer based on the output time of each sample. Extracted samples having the same output time are written to the same location in the buffer. Both media packet streams are simply processed all the way to the buffer without any particular knowledge that one of the packet streams is actually redundant. This simplifies the management of the redundant packet streams, such as eliminating the need for a “fail-over” switch and the concept of an “active stream”, The location is the storage space allocated to store one sample. The extracted sample written to the location may be written over another extracted sample from a different packet stream previously written to the location. These extracted samples written to the same location may be identical. |
| US11252204B2 |
Content sharing system, content sharing method, and program
Provided are a content sharing system, a content sharing method, and a program, which are capable of appropriately processing an operation of a use on shared content after a display update by an operation of another user is performed. An object processing execution module executes the predetermined processing on an object that is in a focus state at a timing that is before a time earlier than the operation of instructing of execution of the predetermined processing by the predetermined time period and that is closest to the time earlier than the operation by the predetermined time period, when it is identified that the display update of the shared content has been performed by the operation of another user during as predetermined time period until the operation. |
| US11252203B2 |
Method for processing message in group session, storage medium, and computer device
A computer device receives a session message in a group session on a social networking application. The session message includes a child application identifier corresponding to a child application. The device determines a session identifier corresponding to the group session to which the session message belongs. The device transmits the session identifier to the child application and receives from the child application a request for page data corresponding to the session identifier. In accordance with the request, the device obtains the page data corresponding to the child application identifier. The device renders a child application page in a child application according to the obtained data. In accordance with detecting a trigger event corresponding to the child application identifier on the session message, the device invokes the child application in the social networking application. |
| US11252201B2 |
Communications methods, apparatus and systems to provide optimal media routing
The present invention is directed to methods, apparatus and systems for optimizing media paths in communications networks. An exemplary embodiment includes the steps of a first SBC (SBC1) receiving a session request including a SDP offer for a session between first and second devices including media stream(s), said request being sent by a second SBC (SBC2) and traversing a portion of a signaling path including intermediary device(s), determining that media stream(s) should bypass one or more of the intermediary device(s), generating and transmitting to SBC2 from SBC1 a SDP answer including at least one of: (i) all SDP media descriptor transport addresses being set to zero; (ii) all SDP media stream connection values being set to 0.0.0.0 and at least one media transport address being non-zero; or (iii) header information or SDP information indicating that at least one intermediary device should be bypassed for the one or more media streams. |
| US11252197B2 |
Service processing method and apparatus
User data from a received service processing request initiated by a user for processing a service is parsed. Whether the user data is included in a trusted user list or a risky user list stored in a server for processing the service is determined. Whether the user data matches historical behavior data associated with the user based on a behavioral profile comparison rule model if the user data is not included in the trusted user list or the risky user list is determined. A risk type associated with the user data is determined if the user data fails to match the historical behavior data. A risk identification rule model associated with the risk type is determined based on the service requested. Risk identification is performed based on the user data using the determined risk identification rule model. The service is processed by the server based on a result of the risk identification. |
| US11252196B2 |
Method for managing data traffic within a network
A reference monitor (RM) operates within a network having controllers that each control a corresponding network part having a forwarding element (FE) for forwarding data within the network. The RM enforces the security policy for a first network part managed by a first controller. The method includes: receiving a first rule request from the first controller, checking the first rule request for policy compliance, authorizing a part of the first rule request that is policy compliant, receiving a second rule request, the second rule request being from a second controller configured to control a second part of the network, the second rule request comprising an outside modification impacting the first network part, which is not managed by the second controller, checking the outside modification part for policy compliance, and based on determining that the outside modification part is policy compliant, authorizing the outside modification part of the second rule request. |
| US11252191B2 |
Visual policy configuration and enforcement for platform security
A system, method, and computer-readable medium are disclosed for performing a platform security operation, comprising: presenting a platform security user interface, the platform security user interface including a plurality of security blocks, each of the plurality of security blocks corresponding to a particular security policy function configuring a security policy via the platform security user interface, the configuring comprising combining a set of the security blocks according to a desired security function; converting the set of security blocks to information representing the security policy; and, deploying the security policy to an information handling system. |
| US11252188B1 |
Methods and apparatus to automate cyber defense decision process and response actions by operationalizing adversarial technique frameworks
In some embodiments, a method can include identifying detection coverage of a set of adversarial techniques based on telemetry data and a detection instance of an environment. The method can further include determining a subset of detection coverage that has a metric value below a metric value threshold and among the detection coverage for the set of adversarial techniques. The method may further include identifying at least one detection instance associated with the subset of detection coverage. The method can further include presenting, via a graphical user interface, a representation of at least one of the subset of detection coverage or the at least one detection instance associated with the subset of detection coverage. The method can further include updating the subset of detection coverage based on the telemetry data, the detection instance, or the at least one detection instance to improve the metric value. |
| US11252186B2 |
Proxy server and navigation code injection to prevent malicious messaging attacks
There are provided systems and methods for a proxy and navigation code injection to prevent malicious messaging attacks. One or more proxy servers may reside in a perimeter network and be used to remove malicious links from messages transmitted to devices protected by the proxy server(s). The proxy server(s) may detect links to external (e.g., Internet-based) resources, such as websites and databases, and may extract data from the external resources. The proxy server(s) may generate static data that prevents processes on the external resources from being executed by devices protects by the proxy server(s). The proxy server(s) may further generate a link to the static data by adding a proxy server network address to the original link. Once the link is generated, it may be used to replace the original link to the external resource to prevent navigation to malicious data. |
| US11252185B2 |
Graph stream mining pipeline for efficient subgraph detection
A graph stream mining processing system and method may be used to analyze the data from a plurality of data streams. In one embodiment, the graph stream mining processing system and method may be used to detect one or more candidate botnet malicious nodes. |
| US11252184B2 |
Anti-attack data transmission method and device
An anti-attack data transmission method and an apparatus thereof are provided. The method includes obtaining a communication protocol message to be transmitted; performing an anti-attack pre-processing for data on information bit(s) located at a message header in the communication protocol message, and generating processing information; storing the processing information in extension bit(s) at the message header of the communication protocol message to obtain a converted communication protocol message, wherein the message header of the communication protocol message includes the information bit(s) and the extension bit(s); and sending the converted communication protocol message to a receiving device. The present disclosure solves the problem of false negatives associated with normally transmitted data flow caused by existing anti-attack methods. |
| US11252179B2 |
Risk analyzer and risk analysis method
A risk analyzer analyzing risk of a system including N (natural number greater than or equal to 2) elements connected includes: an inputter receiving, as inputs, a cost of each N element for increasing a safety degree against a threat to security, a connection relationship of at least part of the N elements, an entry point being an element serving as an entry to the system, and a defense target being an element protected in the system; an identifier identifying, based on the cost of each N element and the connection relationship, a target element of one or more elements requiring a minimum total cost necessary for cutting off a target path from the entry point to the defense target by increasing a safety degree of one or more elements on the target path to a threshold value or more; and an outputter outputting element information indicating the target element. |
| US11252175B2 |
Criticality analysis of attack graphs
Implementations of the present disclosure include providing, by a security platform, graph data defining a graph that is representative of an enterprise network, the graph comprising nodes and edges between nodes, a set of nodes representing respective assets within the enterprise network, each edge representing at least a portion of one or more lateral movement paths between assets in the enterprise network, determining, for each asset, a criticality of the respective asset to operation of a process, determining a lateral movement path between a first node represented by a first asset and a second node represented by second asset within the graph, determining a path value representative of a criticality in preventing an attack through the lateral movement path, and providing an indication of the path value representative of the criticality in preventing an attack through the lateral movement path. |
| US11252172B1 |
Systems and methods for automated penetration testing
A system for analyzing computer systems and networks for potential vulnerabilities to cyber-attacks configured to (i) receive scan data from a scan of a target computer device; (ii) search for one or more vulnerabilities based on the scan data; (iii) determine at least one attack vector based on the one or more vulnerabilities; (iv) generate one or more exploits based on the one or more attack vectors and the one or more vulnerabilities; and (v) execute the one or more exploits on the target computer device. |
| US11252171B2 |
Methods and systems for detecting abnormal user activity
Systems and methods for detecting abnormal user activity comprising: tracking, by the server, during a first time period, user activity associated with an application service, determining, by the server, that the user activity associated with the application service exceeds a respective first predetermined threshold of user activity during the first time period, in response to determining that the user activity exceeds the first predetermined threshold, activating a second predetermined threshold, thereby triggering the system to track, during a second time period user activity associated with the application service, the tracking comprising tracking a content of the user interactions with the application service, determining that the user activity exceeds the second predetermined threshold of user activity during the second time period and in response to determining that the user activity exceeds the second predetermined threshold, triggering a user challenge procedure on a client device. |
| US11252169B2 |
Intelligent data augmentation for supervised anomaly detection associated with a cyber-physical system
A Cyber-Physical System (“CPS”) may have monitoring nodes that generate a series of current monitoring node values representing current operation of the CPS. A normal space data source may store, for each monitoring node, a series of normal monitoring node values representing normal operation of the CPS. An abnormal data generation platform may utilize information in the normal space data source and a generative model to create generated abnormal to represent abnormal operation of the CPS. An abnormality detection model creation computer may receive the normal monitoring node values (and generate normal feature vectors) and automatically calculate and output an abnormality detection model including information about a decision boundary created via supervised learning based on the normal feature vectors and the generated abnormal data. |
| US11252167B2 |
System and method for detecting and classifying malware
A network device may include a memory and one or more processors configured to analyze execution of suspicious data; detect one or more states of execution of the suspicious data; determine that the one or more states of execution are to be assigned a priority level; and extract at least a portion of the suspicious data from one or more locations based on determining that the one or more states of execution are to be assigned a priority level. |
| US11252166B2 |
Providing data authorization based on blockchain
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for providing blockchain-based data authorization. One of the methods includes receiving, by a blockchain node, a data acquisition transaction submitted by a data user for obtaining target data possessed by a data owner, determining, by the blockchain node, that the data user has obtained authorization of the target data, and executing, by the blockchain node, a smart contract invoked by the data acquisition transaction to issue an authorization token to the data user in response to determining that the data user has authorization of the target data, where the authorization token is sent to a privacy computing platform. |
| US11252150B2 |
Systems and methods for smartcard biometric enrollment
Systems, methods, and non-transitory computer readable media relate to smartcard biometric enrollment. In an embodiment that does not require a user to visit a central location to provide fingerprint images, an activation code corresponding to a unique ID that uniquely identifies a user of a service is generated and sent to the user. In response, at least one finger image is received from a user device. The image is processed to isolate a fingerprint image, which is used to generate a biometric template that is sent to a smartcard manufacturer and used to configure a smartcard for biometric authentication of the user. In another embodiment, a kiosk/ATM provides smartcard biometric enrollment by detecting a smartcard in the smartcard reader, verifying an ID of a user associated with the smartcard, capturing a biometric image from the user, processing the biometric image to generate a biometric template, and storing the biometric template on the smartcard. |
| US11252148B2 |
Secure web application delivery platform
A network service, program product and method that manages secure web application delivery. A service is disclosed that includes an interface configured to receive a request for a secure web application from a plug-in integrated into a web browser on a client computing device, wherein the request further includes a user credential token. Also included is a token processor that evaluates the user credential token and determines an associated customer domain server provided by a back-end service and a transport service that establishes a secure channel with the customer domain server, and forwards the request to the associated customer domain server and receives back a text-based data package. Once generated, the text-based data package is forwarded to the plug-in in response to the request. |
| US11252139B2 |
Distributed authentication/authorization tool
An authentication/authorization tool authenticates entity data received from an official third party and authorizes the distribution of the authenticated data based on an authorization token provided by a mobile device of the entity. The tool determines, based on the entity data and an entity preferences database, different portions of the entity data that are of different data types and data repositories that are authorized to receive each data type. The tool receives an authorization token from a mobile device of the entity and uses the authorization token to determine whether data distribution is authorized. Responsive to determining, based on the data authorization token, that distribution of the data is authorized, the tool automatically transmits the data portions to the entity's data repositories to update information stored therein, according to preferences of the entity. |
| US11252128B2 |
Mobile cellular network backhaul
A mobile cellular network (MCN) communication system can provide an independent mobile cellular network to devices within a covered area. In addition, the MCN communication system can communicate with other MCN communication systems using a wireless standard that is similar to the wireless standard used to communicate with user equipment within the covered area. In some instances, the MCN communication system can be registered as a user equipment of another MCN communication system and/or have another MCN communication system registered with it as a user equipment. |
| US11252127B2 |
Systems and methods for processing requests for content of a content distribution network
Improved methods for retrieval of content from CDNs is provided that includes a rendezvous controller that receives information of an identification of content being requested and an estimated location of a content requesting device. Based on this information, the rendezvous system identifies a server within a CDN from which the requested content may be retrieved. The selected server may be based on a repeatable hash function such that the likelihood that the content being requested is cached at the selected server. Steering requests to a server of the CDN which may have the content cached may reduce the number of servers within the CDN with the same cached content, particularly for the highest requested content. The rendezvous system may then return a corresponding domain name associated with the selected server and that can be subsequently submitted to a DNS for resolution to the IP address of the identified server. |
| US11252123B2 |
Classifying social entities and applying unique policies on social entities based on crowd-sourced data
Technology is disclosed for detecting, classifying, and/or enforcing rules on social networking activity. The technology can scan and collect social content data from one or more social networks, store the social content data, classify content data posted to a social network, create and apply a set of social data content rules to future posted social content data. |
| US11252120B2 |
Inferring a geographic location for an entity at a geographic granularity based on geographic locations of users of an online system interacting with the entity
An online system receives information describing one or more interactions by each of a set of online system users with an entity having a presence in the online system, in which the information includes a geographic location of each user stored in a corresponding user profile. The online system determines multiple polygons defined at different geographic granularities, in which each polygon includes a region on a geographic map. A score is computed for each polygon based on a number of the set of users who interacted with the entity and who have a geographic location within the polygon, as well as a total number of users having a geographic location within the polygon. A polygon is selected based on the scores and a geographic location for the entity is inferred for the entity as the selected polygon at the geographic granularity of the selected polygon. |
| US11252118B1 |
Systems and methods for digital privacy controls
Systems and methods for creating and maintaining digital privacy controls may include (1) providing a privacy-settings interface that enables the user to select an audience for a social media composition, (2) displaying, within the privacy-settings interface, a user-selectable element that may be used to select an allotted number of audience members for the social media composition, and (3) configuring a size of the audience based on a selected allotted number indicated by the user-selectable element. Various other methods, systems, and computer-readable media are also disclosed. |
| US11252114B2 |
Message suggestions
A method may involve, for each of one or more messages that are selected from a plurality of messages from an account: (a) extracting one or more phrases from a respective selected message; (b) determining that a conversation includes the respective selected message and one or more other messages from the plurality of messages; (c) generating a first feature vector based on the conversation, wherein the first feature vector includes one or more first features, wherein the one or more first features include one or more words from the conversation; and (d) generating, by a computing system, one or more training-data sets, wherein each training-data set comprises one of the phrases and the first feature vector. The method may further involve: training, by the computing system, a machine-learning application with at least a portion of the one or more training-data sets that are generated for the one or more selected messages; applying the trained machine-learning application to process an incoming message to the account; and responsive to applying the trained machine-learning application, determining one or more reply messages corresponding to the incoming message, wherein the one or more reply messages include at least one of the extracted one or more phrases. |
| US11252112B2 |
Message providing device, non-transitory computer readable medium storing program, and display control method
A message providing device includes a receiving section that receives a registration request for an association of a software robot program with an external device for each user, the software robot program operating on a message service in which a message is transmitted and received between users, to transmit and receive the message to and from a user, and a registration section that provides plural same software robot programs for one user and registers one or plural different external devices from each other in association with each of the plural same software robot programs in accordance with the request from the user. |
| US11252109B1 |
Out of order placement of data in network devices
A network device receives an out of order transport packet encapsulating a protocol data unit (PDU) associated with a data stream, the PDU having a PDU header that is aligned with a beginning of a payload of the transport packet. The network device locates the PDU header disposed at the beginning of the payload of the transport packet, and verifies, using information in a header digest field of the PDU, validity of the PDU header. In response to verifying validity of the PDU header, the network device identifies, based on memory placement information included in the PDU header, a memory location for placing the data in a set of memory locations, in a memory, for storing data associated with the data stream. The network device then stores the first data beginning at the identified first memory location in the set of memory locations in the memory. |
| US11252108B2 |
Controller for ordering out-of-order transactions in SoC
A transaction controller orders transactions between a master device and a slave device, where the transactions may be received out-of-order. First and second transactions have respective first and second sets of data packets. The transaction controller includes a transaction table, a first ordering counter, and a first sequence counter having first and second values when the first and second transactions are initiated. The first and second values are stored in the transaction table based on first and second transaction identifiers (TIDs) that are associated with the first and second transactions. The transaction controller determines, based on the second value, the second TID, and a current value of the first ordering counter, whether the first and second sets of data packets were received out-of-order. Based on the determination, the second set of data packets is transmitted to the master device after the first set of data packets. |
| US11252105B2 |
Identifying different SaaS optimal egress nodes for virtual networks of different entities
Some embodiments provide a novel method for deploying different virtual networks over several public cloud datacenters for different entities. For each entity, the method (1) identifies a set of public cloud datacenters of one or more public cloud providers to connect a set of machines of the entity, (2) deploys managed forwarding nodes (MFNs) for the entity in the identified set of public cloud datacenters, and then (3) configures the MFNs to implement a virtual network that connects the entity's set of machines across its identified set of public cloud datacenters. In some embodiments, the method identifies the set of public cloud datacenters for an entity by receiving input from the entity's network administrator. In some embodiments, this input specifies the public cloud providers to use and/or the public cloud regions in which the virtual network should be defined. Conjunctively, or alternatively, this input in some embodiments specifies actual public cloud datacenters to use. |
| US11252099B2 |
Data stream sending method and system, and device
This application provides a data stream sending method, and the method includes: sending, by a first device, a request packet to a second device; sending, by the first device, a data stream to the second device after the first device sends the request packet and before the first device receives the response packet sent by the second device; and receiving, by the first device, the response packet that is sent by the second device and that is in response to the request packet. |
| US11252094B1 |
Apparatus and method for application-aware network traffic management
A computer-implemented method for controlling data traffic in a network system is disclosed. The method includes establishing a list of prioritized applications on a user device. The applications are monitored for network activity. One or more management packets are assembled in response to detecting network activity corresponding to one of the prioritized applications. The one or more management packets include network attribute information. The management packet is then transferred to a network switch for use in configuring the prioritization of data traffic on the network system. |
| US11252092B2 |
OpenFlow based distributed antenna system
Disclosed is a distributed antenna system (DAS). The DAS includes a DAS controller, which is an OpenFlow controller, and one or more DAS units in order to dynamically control a traffic transmission policy of the DAS units using an OpenFlow protocol, wherein the DAS controller generates and changes a traffic transmission policy by reflecting a traffic transmission policy change request by operator manipulation or a software-defined network supporting application and a need for changing of the traffic transmission policy according to a status of the DAS unit and a status of a port, and the DAS unit transmits received traffic to a destination according to the policy. |
| US11252091B1 |
Updating a traffic rate limit for policing traffic
A network device may obtain policer configuration information. The network device may determine, based on the policer configuration information, a traffic rate limit associated with a traffic protocol type. The network device may obtain, based on the traffic protocol type, networking data associated with the traffic protocol type. The network device may determine, based on the networking data, an expected traffic rate associated with the traffic protocol type. The network device may update, based on the expected traffic rate, the traffic rate limit. The network device may cause traffic associated with the traffic protocol type to be policed based on the updated traffic rate limit. |
| US11252089B2 |
Multi-phase IP-flow-based classifier with domain name and HTTP header awareness
An apparatus and method for classifying traffic data in a communication network based on IP flow. Traffic data in a communication network is monitored in order to detect an IP flow. A preliminary classification is assigned to the IP flow based on protocol information contained in its first packet. Subsequent packets within the IP flow are further monitored, and the IP flow is reclassified based, in part, on the domain name of the responding server. Web pages can also be classified, and monitored to determine their response time. |
| US11252087B2 |
Data packet forwarding method, network adapter, host device, and computer system
A data packet forwarding method, a network adapter and a host device. The method is applied to a network adapter, the network adapter is connected to a host device, the host device includes a first VM, the first VM includes N vNICs, and the network adapter includes a first VF allocated to the first VM, where N is an integer greater than 1. The method includes: receiving mapping relationship information sent by the host device, where the mapping relationship information is used to indicate a mapping relationship between N queue pairs among queues configured for the first VF and the N vNICs, and each of the N queue pairs is used to forward a data packet of a vNIC corresponding to each queue pair; recording the mapping relationship information in a forwarding information table; and forwarding data packets of the N vNICs according to the mapping relationship information. |
| US11252086B2 |
Method and device for operating a network component and a control instance in a software-defined networking communication infrastructure
A method and device for operating a network component and a control instance in a software-defined networking communication infrastructure. The software-defined networking communication infrastructure is switched from an operation according to a first strategy for forwarding time-critical data streams in network components of the communication infrastructure to an operation according to a second strategy for forwarding time-critical data streams in network components as a function of at least one trigger signal, the at least one trigger signal being received in an operation according to the first strategy from a control instance in a unicast message or in a broadcast message. |
| US11252079B2 |
High performance software-defined core network
A system comprising nodes configured to form a network including virtual links in an overlay network provisioned over an underlay network. The system includes tenant networks formed in the network, and each tenant network corresponds to a tenant of the network. The system includes control planes, and each control plane is a component of a tenant network and includes routing algorithms corresponding to traffic classes. The tenant network is configured to use feedback data of link conditions of the tenant network with at least one routing algorithm to control routing of tenant traffic of a corresponding traffic class. |
| US11252078B2 |
Data transmission method and apparatus
The method includes, when a first data packet of a data stream is received and the first data packet is not the first data packet of the data stream, determining a time interval between a first receiving time and a second receiving time, where the first receiving time is when the first data packet is received, and the second receiving time is when a second data packet is received, obtaining a sent data amount of the data stream, and determining a transmission path of the first data packet from a plurality of available transmission paths based on the time interval and the sent data amount, and transmitting the first data packet through the determined transmission path. |
| US11252076B2 |
Data forwarding method and apparatus
The method includes: forwarding, based on path sets of nodes in a network, service data between a source node and a sink node in the network, where the path sets of the nodes in the network are determined by iteratively performing the following path set determining step: for each link in the network, obtaining a path set of a start node of the link, and determining N shortest paths from an end node of the link to the sink node; and for each path included in the path set of the start node, determining, according to the N shortest paths, the path, and the link, to add a new path formed by the path and the link into a path set of the end node. |
| US11252075B2 |
Packetized content delivery apparatus and methods
Apparatus and methods for delivery of content in a packetized network. In one embodiment, content and/or services can be associated with an IP address. The IP address may be assigned to multiple server devices disposed at geographically diverse locations. Delivery caches may advertise, via a routing protocol, one or more addresses to clients of the network. Route selection may be configured based on one or more rules such as geographical proximity, available bandwidth, server availability, server load, delivery cost, client subscription level, licensing rules, and/or other metric. Delivery caches may be configured to control their availability and/or load through IP address withdrawals and announcements. When the “closest” delivery cache may become unavailable (e.g., it is not announcing the IP address for the content the client is trying to obtain, a route to the next “closest” available delivery cache may be utilized. |
| US11252074B2 |
Detection of multihoming misconfiguration
A network device may receive, from an endpoint device, a first message that includes first endpoint identification information. The network device may be connected to the endpoint device via a plurality of links. The network device may receive, from another network device, a second message that includes second endpoint identification information. The network device may determine whether the first endpoint identification information corresponds to the second endpoint identification information. The network device may cause, based on determining whether the first endpoint identification information corresponds to the second endpoint identification information, a state of the plurality of links to be maintained or changed. |
| US11252070B2 |
Adaptive polling in software-defined networking (SDN) environments
Example methods are provided for a network device to perform adaptive polling in a software-defined networking (SDN) environment. One example method may comprise: operating in a polling mode at a current polling round to detect zero or more packets that require packet processing by the network device. The method may also comprise: determining packet characteristic information associated with multiple polling rounds that include the current polling round and one or more previous polling rounds; and based on the packet characteristic information, determining whether a resource performance condition associated with the network device is satisfied. In response to determination that the resource performance condition is satisfied, the network device may operate in the polling mode at a subsequent polling round; but otherwise, switch from the polling mode to an interrupt mode. |
| US11252068B1 |
Clock synchronization in a heterogeneous system
The disclosure describes methods and systems for performing time synchronization in a heterogeneous system. In one example, a method includes evaluating, by a computing system, one or more network conditions of a network to determine whether to perform a time synchronization process with a secondary device in the network, wherein the one or more network conditions include a health score for the secondary device, and, in response to determining, based on the evaluation of the one or more network conditions, to perform the time synchronization process: determining based at least in part on a time indication for a clock on a master device and a time indication for a clock on the secondary device, a time synchronization offset for the secondary device; and sending the time synchronization offset for the secondary device to the secondary device in a data packet. |
| US11252067B2 |
Techniques for using frame deep loopback capabilities for extended link diagnostics in fibre channel storage area networks
One embodiment is a method including configuring a first network element of a fibre channel (“FC”) network as a generator element, wherein the generator employs a link diagnostic protocol to cause a second network element comprising a peer of the first network element as a reflector element, wherein the first and second elements are connected via a link; entering a first diagnostic phase, wherein in the first diagnostic phase, diagnostic capabilities of the first and second elements are determined; and subsequent to completion of the first diagnostic phase, entering a second diagnostic phase in which a deep loopback test is performed, wherein the deep loopback test comprises a frame level loopback test for exposing an issue in a path between the first and second network elements beyond a Media Access Control (“MAC”) layer. |
| US11252064B2 |
System and method for monitoring ingress/egress packets at a network device
One embodiment can provide a method and system for monitoring network traffic. During operation, the system may receive a request to monitor packets ingressing or egressing a device. The request can indicate a set of parameters for monitoring the packets. In response to receiving the request, the system may configure a network switch coupled to the device to replicate the packets ingressing or egressing the device. The system can then encapsulate the replicated packets, based on the set of parameters, with a destination address associated with the request, thereby allowing the packets to be analyzed remotely. |
| US11252062B2 |
Monitoring streaming media content
Methods, apparatus and articles of manufacture to monitor streaming media are disclosed. Example media monitoring methods disclosed herein include extracting metering data having a first format from media. In some disclosed examples, the media is to be provided to a media device via a transport stream, and the extracted metering data identifies at least one of the media or a source of the media. Disclosed example methods also include transcoding the extracted metering data to form transcoded metering data having a second format different from the first format. Disclosed example methods further include, prior to transmitting the transport stream to provide the media to the media device, transmitting the transcoded metering data to the media device for receipt by a meter executed by the media device. |
| US11252059B2 |
Network path visualization using node grouping and pagination
A method and system are described. The method and system include determining a grouping characteristic for a plurality of nodes and a corresponding plurality of links. The nodes and the links correspond to components of a network and are associated with network performance information. The grouping characteristic includes at least one of partitionability into pages and a hop distance. The method and system also include generating a graphical visualization based on the grouping characteristic, the nodes and the links. |
| US11252057B2 |
Information processing apparatus, information processing system, information processing method, and computer program
An analysis ECU acquires information related to a first flow and information related to a second flow, the first flow and the second flow organizing packets transferred in a monitored system into respective groups. The analysis ECU acquires information related to a conversion that takes the first flow as input and the second flow as output. The analysis ECU acknowledges alert information generated in the monitored system and including information capable of identifying at least one flow. The analysis ECU generates, when the second flow is identified by the alert information, route information that includes at least one of the information related to the conversion and the information related to the first flow associated with the second flow in the information related to the conversion. |
| US11252054B2 |
Dynamically modifying a service chain based on network traffic information
A device may receive information associated with a service chain to be implemented in association with a flow. The information associated with the service chain may include a source network address associated with the flow, a destination network address associated with the flow, a set of protocols associated with the flow, and a set of network services, of the service chain, to be implemented in association with the flow. The device may implement the service chain in association with the flow. The device may receive network traffic information associated with the flow based on implementing the service chain in association with the flow. The device may modify the service chain based on the network traffic information associated with the flow to permit a modified service chain to be implemented in association with the flow. |
| US11252047B2 |
Automatic determination of code customizations
A system could include a first set of mappings between application files and version indicators. The application files could be related to a software application. The system could also include a second set of mappings between application files and a first subset of version indicators, where a standardized release of the software application includes application file versions in accordance with the first subset. The system could further include a third set of mappings between a second subset of version indicators and records indicating that the corresponding application file versions were written after the standardized release. The system could further include processors configured to perform operations including: determining that an application file in the third set of mappings has standardized release version. The operations could further include providing a difference between a recent version of the application file and the application file version that was part of the standardized release. |
| US11252046B2 |
System for identifying and assisting in the creation and implementation of a network service configuration using Hidden Markov Models (HMMs)
A device may receive a request for a network service configuration (NSC) that is to be used to configure network devices. The device may select a graphical data model that has been trained via machine learning to analyze a dataset that includes information relating to a set of network configuration services, where aspects of a subset of the set of network configuration services have been created over time. The device may determine, by using the graphical data model, a path through a set of states of the graphical data model, where the path corresponds to a particular NSC. The device may select the particular NSC based on the path determined. The device may perform a first group of actions to provide data identifying the particular NSC for display, and/or a second group of actions to implement the particular NSC on the network devices. |
| US11252045B1 |
Processing blind beamforming for multi-user multiple-input multiple-output (MU-MIMO) systems
A wireless network system includes a base station (BS) having a number of array antennas and a controller. The network system also includes a number of mobile stations (MS) each having its own antenna array. The base station modulates a transmit signal directed to a MS with a transmit beamformer as specified by the controller. The MS equalizes a received signal with a receive beamformer. The controller is configured to calculate an outage probability of the MS based on statistical channel state information at the BS, for a given set of a transmit beamformer wk, a receive beamformer vk, and a predetermined threshold of a signal-to-noise-interference-plus-noise ratio (SINR) at the MS. The controller is also configured to obtain a solution set comprising a transmit beamformer wk and a receive beamformer vk. The controller is further configured to specify, based on the obtained solution set, the beamformers to be adopted. |
| US11252036B1 |
System for evaluating and tuning resources for anticipated demands
An infrastructure management subsystem receives a selection of a planned configuration of the computing infrastructure and a baseline demand that includes a current usage of computing resources of the computing infrastructure. The infrastructure management subsystem determines an anticipated turbulence. The anticipated turbulence includes a quantitative indication of anticipated fluctuations in future infrastructure demand as a function of time. The infrastructure management subsystem determines an effective turbulence for the planned infrastructure configuration. The effective turbulence includes a quantitative indication of anticipated fluctuations in future infrastructure availability. The infrastructure management subsystem determines a configuration score corresponding to an extent to which the anticipated fluctuations in the effective turbulence destructively interfere with the anticipated fluctuations in the anticipated turbulence. |
| US11252034B1 |
Generating candidate links and candidate paths before selecting links for an optimized optical network plan
A device receives network data associated with a network that includes network devices interconnected by links, and receives parameters associated with determining a network plan for the network. The device generates candidate links for each potential network plan of multiple potential network plans for the network, based on the parameters and based on a criterion associated with generating the candidate links. The device generates candidate paths for each potential network plan based on the parameters, and selects a portion of the candidate links and a portion of the candidate paths. The device generates each potential network plan based on the portion of the candidate links and the portion of the candidate paths, and identifies a potential network plan, of the multiple potential network plans, that reduces resource usage associated with operating the network. The device causes the potential network plan to be implemented in the network. |
| US11252032B1 |
Monitoring VNFCs that are composed of independently manageable software modules
An example operation may include a method comprising one or more of receiving a VNFC module status request from a NFVO where the status request specifies a VNFC instance (VNFCI), determining a target OS installation of the VNFCI, retrieving a list of one or more VNFC modules of the VNFCI, determining the status of the one or more VNFC modules wherein the status determination includes at least one or more of constructing a default status command, adapting the command to the target OS, executing the adapted status command, and recording a normalized status result, sending a VNFC module status notification. |
| US11252028B2 |
Distribution of content in cloud applications
Systems and methods of a configuration distribution microservice include reception of a first data structure comprising first configuration data of a first type and associated with a first tenant of a first microservice, determination of one or more other microservices associated with the first tenant and the first type of configuration data, and transmission of an instruction to the determined one or more other microservices to deploy the first configuration data. |
| US11252027B2 |
Network element supporting flexible data reduction operations
A network element includes a plurality of ports, multiple computational modules, configurable forwarding circuitry and a central block. The ports include child ports coupled to child network elements or network nodes and parent ports coupled to parent network elements. The computational modules collectively perform a data reduction operation of a data reduction protocol. The forwarding circuitry interconnects among ports and computational modules. The central block receives a request indicative of child ports, a parent port, and computational modules required for performing reduction operations on data received via the child ports, for producing reduced data destined to the parent port, to derive from the request a topology that interconnects among the child ports, parent port and computational modules for performing the data reduction operations and to forward the reduced data for transmission to the selected parent port, and to configure the forwarding circuitry to apply the topology. |
| US11252020B2 |
Service region management method and apparatus
A service region management method and apparatus. The method includes sending, by a network management system, a first message to a network storage network element, the first message including identification information of a network function region and information about a service region corresponding to the network function region, and the first message is used to request to register the network function region, receiving, by the network storage network element, the first message storing, by the network storage network element, the identification information of the network function region and the information about the service region, and sending, by the network storage network element, notification information to the network management system, the notification information notifying that registration of the network function region is completed, receiving, by the network management system, the notification information. |
| US11252018B2 |
Service chaining with service path monitoring
Example methods and systems for failure handling for service chaining with service path monitoring. One example may comprise a first computer system detecting a data packet that is being forwarded along a first service path. The first computer system may configure a liveness check query and send the liveness check query along with the data packet towards a service virtualized computing instance to cause a liveness check response. In response to detecting the liveness check response from the service virtualized computing instance, the first computer system may determine that the service virtualized computing instance is available. Otherwise, report information may be generated and sent to trigger a switch from the first service path to a second service path that excludes the service virtualized computing instance. |
| US11252010B2 |
System for controlling and monitoring adaptive cyberphysical systems
Provided is a system for monitoring and controlling an adaptive cyberphysical system consisting of or comprising one or more system components, in which an engineering system is connected to a monitoring and supervision module (that is designed or configured to receive and to process data from the system components and to forward the processed data and information generated therefrom to the engineering system, wherein the engineering system is designed or configured to update management technology images in a management and control system on the basis of the data received from the monitoring and supervision module. |
| US11252009B2 |
Methods and apparatus for life cycle management in virtual networks
Embodiments described herein provide methods and apparatus for life cycle management in virtual networks. A method, in a Life Cycle Management, LCM, component in a virtual network, wherein the virtual network comprises a first orchestration layer comprising a first network function virtualisation orchestrator, NFVO, and a second orchestration layer, subordinate to the first orchestration layer, comprising a second NF VO, comprises: receiving a first request, from the first NFVO, to determine a first substitution for a first VNF in a first network service request, wherein the first substitution maps the first network service request onto the second orchestration layer; and responsive to a determination, based on a topology of the second orchestration layer, that the first substitution comprises a second VNF associated with the second NFVO, receiving a second request from the second NFVO to provide a second substitution for the second VNF in a second network service request, wherein the second substitution maps the second network service request onto a third network layer, and the second network service request implements at least part of the first network service request. |
| US11252007B2 |
Methods and apparatus for supporting use of multiple beams for communications purposes
Methods and apparatus for facilitating the use of a plurality of antenna beams for communications purposes are described. In at least some embodiments beam priority information is periodically exchanged. Multiple timers are used to ensure beam information is exchanged at intervals intended to facilitate reliable beam synchronization and to control switching to one or more alternative beams in a predictable manner in the event beam change information or beam synchronization information is lost. In some but not all embodiments a wideband beam is used to communicate beam synchronization information when synchronization using narrower beams used for normal data communication is lost. |
| US11252003B2 |
Sequence-based signal processing method and apparatus
This application provides a sequence-based signal processing method and apparatus. A sequence meeting a requirement for sending a signal by using a physical uplink control channel (PUCCH) is determined. The sequence is a sequence {fn} including N elements, and fn is an element in the sequence {fn}. The determined sequence {fn} is a sequence that meets a preset condition. Then the N elements in the sequence {fn} are respectively mapped to N subcarriers to generate and send a first signal. With the determined sequence, when the signal is sent by using the PUCCH, a low cross-correlation between sequences can be maintained, and a relatively small peak to average power ratio (PAPR) value and a relatively small and cubic metric (CM) value can be maintained. Therefore, a requirement in a communications application environment in which the signal is sent by using the PUCCH is met. |
| US11252000B2 |
Device to process data to be transmitted via a first radio module
It is proposed a device to process data to be transmitted via a first radio module of a radio communications network, in which data to be transmitted is mapped on subcarriers and in the radio module subsequently up-converted to a radio frequency higher than the subcarrier frequencies, wherein the subcarriers are grouped into frequency subbands, and wherein at least one subband is scalable with at least one subband parameter, wherein a subband parameter is in particular a subcarrier spacing, and wherein in at least one subband at least two different parameters, in particular subcarrier spacings, can be used. |
| US11251997B2 |
Data transmission method and device to reduce complexity of interleaving modulation symbols
This application provides a data transmission method and a device. The method includes: obtaining, by a transmit end device, a modulation symbol sequence in multiple time-frequency resource element groups, wherein a size of the time-frequency resource element group is agreed on in a protocol, or determined based on a transmission parameter; performing, by the transmit end device, interleaving processing on the modulation symbol sequence using the time-frequency resource element group as an interleaving unit, to obtain an order in which the modulation symbol sequence is mapped onto the multiple time-frequency resource element groups, wherein multiple consecutive modulation symbol groups in the modulation symbol sequence are mapped onto at least two of the multiple time-frequency resource element groups; and sending, by the transmit end device, the modulation symbol sequence in the order in which the modulation symbol sequence is mapped onto the multiple time-frequency resource element groups. |
| US11251996B2 |
Modulating signal level transitions to increase data throughput over communication channels
An encoder for modulating data on level transitions of a signal transmitted on a wired communication channel to increase channel data throughput, comprising a circuitry configured for receiving a signal transmitted by a transmitting communication node, the signal carries a message to one or more receiving communication nodes connected to a wired communication channel, calculating a respective delay period consisting of a number of delay time units encoding one or more data items, delaying one or more transitions of a waveform level of the signal by the respective delay period to modulate the signal to carry the data item(s) and transmitting the modulated signal to one or more of the receiving communication nodes having a decoder configured for demodulating the modulated signal. |
| US11251994B2 |
Distributed cloud HNG fabric
Systems, methods and computer software are disclosed providing a distributed cloud virtualizing gateway fabric. In one example embodiment, a method includes providing at least one virtualizing gateway device in a cloud; wherein at least one of a virtual machine (VM) and a container are created as needed to provide services for the at least one RAN and the at least one core network for each HNG device. |
| US11251990B2 |
Control device, control system, control method, and non-transitory storage medium storing control program
Provided is a control device comprising a communication management part and a user application processing part. The user application processing part is for detecting slave devices, which are communication targets of control data having been set using a setting tool, and the slave devices are connected to a filed bus. The communication management part is for managing the communication of the control data in accordance with a control cycle. The communication management part determines the control cycle using a pre-stored propagation delay time for each of the slave devices that are the communication targets of the control data. |
| US11251985B2 |
Method for configuring and method for controlling a home automation apparatus
The invention relates to a method for configuring a home automation apparatus including a plurality of home automation devices and a plurality of central control units (U1, U2). The method is executed by a management unit (Sv) connected to the at least one home automation apparatus and includes the following steps: receiving (ETCfSv1) a configuration message (MCf) from a user (Usr) or an application (A) that is executed on the management unit (Sv) or another connected management unit, determining (ETCfSv3) a list (UL) of central control units (U1, U2) capable of executing at least one condition (Cnd) and/or at least one action (AcU1, AcU2) of a conditional expression (CE), and sending (ETCfSv6) a configuration message (MCfU1, MCfU2), including a definition of a conditional software code module (CCM), to the at least one central control unit (U1, U2) included in the list (UL). |
| US11251984B2 |
Cable modem interface mask based virtual local area network mapping
A method to assign a service flow classification for a client device that is performed at a network interface device includes accessing a configuration file having an interface mask, and correlating interface mask bit values with at least one port of the network interface. The network interface device associates the client device with the at least one port of the network interface device and assigns a service flow classification based on the interface mask bit values for an access request received by the network interface device from the client device. The network interface device then communicates with a virtual local area network mapping device using the service flow classification. The virtual local area network mapping device maps the service flow into a VLAN for the service flow of the client device. |
| US11251981B2 |
Communication method and apparatus
The present disclosure relates to communication methods and apparatus. One example method includes receiving, by a target service entity, a first request message from a first participating service entity, and sending, by the target service entity, a first response message to the first participating service entity. The first request message comprises an identity of a target multicast bearer and a group identity of a terminal group. The first response message is used to instruct the first participating service entity to use the target multicast bearer to send service data of the terminal group. |
| US11251978B2 |
System and method for cryptographic protections of customized computing environment
A system for securely customizing a computing environment based on cryptographic protections includes providing a key device; bringing the key device proximate to a computing environment (510); beginning an authentication protocol when the user approaches the environment with the device; validating user to the key device (520); comparing certificates (525); unlocking/regenerating a device split key (530); if authentication of certificates is not valid, log & return (540); if it is valid, a full key is generated on the computing environment in volatile memory, and the full key unlocks personal settings on the computing environment (545). Using the computing environment with the personal settings (550); disconnecting (555); and logging activity (560). The device can be a smart phone. Bringing the key proximate to a computing environment (510) can initiate Bluetooth or other near field communications. Initial steps can include enrolling the key (505). The environment can be a vehicle. |
| US11251975B1 |
Block chain based trusted security infrastructure
Apparatus and method for distributed authentication in a data storage system using block chain technology. In some embodiments, a requested transaction is generated to perform a selected security operation upon a data processing device in a computer network. The requested transaction is validated and propagated to a plurality of nodes. The nodes use a consensus mechanism to quasi-randomly select a particular node to generate a new block listing the requested transaction. The new block is validated, propagated among the plurality of nodes, and added to a block chain data structure. A processing node processes the requested transaction from the block chain data structure to authorize the selected security operation. Credits may be debited and credited between requesting nodes and the processing node for each transaction. Different types of credits may be used for different types of security operations. |
| US11251971B2 |
Vehicle integration platform (VIP) security
The present disclosure is directed to systems and methods associated with a communication infrastructure. The communication infrastructure includes a vehicle integration platform that includes a plurality of application programming interfaces configured to facilitate message communication among clients. The communication infrastructure includes a registration authority system configured to receive certificate signing requests from the clients and to generate client-specific credentials for establishing a predetermined time period of ability for client authentication within the vehicle integration platform. The communication infrastructure includes a certificate authority system configured to normalize requests received from the clients via the registration authority system such that the client-specific credentials are established according to an approved hierarchy of licensing certificates. The communication infrastructure includes a security library accessible by each of the clients and by components of the vehicle integration platform. The security library is configured to provide implementation logic for signing messages and implementation logic for validating messages. |
| US11251970B2 |
Composite digital signatures
Disclosed herein is a method for generating a composite cryptographic signature. The method comprises receiving a message and a first part of a first party signature, wherein the first part of the first party signature is derived from the message and a first share of a first private key. The method further comprises generating a first party signature from the first part of the first party signature and a second share of the first private key and generating a second party signature from the message and a second private key. The method further comprises combining the first party signature and the second party signature to generate a composite cryptographic signature. An apparatus, a computer-readable medium for implementing this method are also disclosed. |
| US11251967B2 |
Consensus methods and systems in consortium blockchain
A consensus method and system in a consortium blockchain is provided. The method includes broadcasting, by a first consensus node, a ViewChange message in a consensus network where the first consensus node does not complete a consensus operation on the target consensus data within a predetermined time period; receiving, by the first consensus primary node, the ViewChange message broadcast by the consensus node; constructing, by the first consensus primary node, a NewView message based on ECHO messages and signatures in N−f verified ViewChange messages, and broadcasting the NewView message to the consensus network to change the consensus network view to a target view; and broadcasting, by a second consensus node, the ECHO message for the target consensus data where the second consensus node determines that the present consensus node has an ECHO message corresponding to the target consensus data. |
| US11251964B2 |
Hash contract generation and verification system
A hash contract is disclosed herein. A hash contract may be a value generated by a device using a hash function. The hash contract itself may represent a legally enforceable contract. The hash contract may be structured in a manner such that a device operated by a contracting party can transmit a legally enforceable contract over a network using a smaller file size than is possible with conventional secure transaction techniques. In addition, the manner in which the hash contract is generated allows a receiving device to verify that the contract elements of the contract are as expected and to verify an identity of a user that allegedly accepted the contract. Thus, even if a malicious user attempts to alter contract elements or perform other fraudulent activity, the receiving device can use the hash contract to identify such activity and prevent a transaction from being completed. |
| US11251953B2 |
Proving prime integers for encryption
A device may receive a set of cryptographic parameters associated with an integer, wherein the set of cryptographic parameters includes a linked list of potential prime integers, in an order, used to generate the integer. The device may determine, iteratively and in the order, whether each potential prime integer included in the linked list of potential prime integers is a prime integer using a primality test or a lookup operation based on a set of proven prime integers. The device may determine whether the integer is a proven prime integer based on determining whether each potential prime integer included in the linked list of potential prime integers is a prime integer. The device may authorize, when the integer is a proven prime integer, the integer for use in a cryptographic protocol. |
| US11251950B2 |
Securely performing cryptographic operations
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for securely performing cryptographic operations. One of the methods includes receiving biometric information associated with a user and a request to perform one or more cryptographic operations based on one or more cryptographic keys stored in a memory of an identity cryptographic chip (ICC); comparing the biometric information associated with the user with biometric information pre-stored in the memory of the ICC as pre-stored biometric information; and in response to determining that the biometric information matches the pre-stored biometric information, authorizing the one or more cryptographic operations to be performed. |
| US11251948B2 |
Encryption and decryption method and system with continuous-variable quantum neural network
A method and a system for encryption and decryption based on continuous-variable quantum neural network CVQNN. The method includes: updating a weight of the CVQNN with a training sample; triggering, by a sender, a legal measurement bases synchronization between the sender and the CVQNN; converting, by the sender, the information to be sent into a quadratic plaintext according to the synchronized measurement bases, and sending the quadratic plaintext to the CVQNN; encrypting, by the CVQNN, a received quadratic plaintext, and sending an encrypted quadratic plaintext to a receiver; after receiving the encrypted quadratic plaintext, sending by the receiver the encrypted quadratic plaintext to the CVQNN for decryption to obtain decrypted information. The embodiments implement data encryption and decryption by introducing CVQNN model and synchronization measurement technology. The embodiments provide advantages of high reliability, high security and easy realization. |
| US11251940B2 |
Decentralized repository using encryption for non-repudiable activity and ownership
An approach is provided for deterring a tampering of content. Content is signed by using an asymmetric key cryptography. The signed content is stored in a distributed ledger which is accessible to a plurality of subscribers of the distributed ledger. The signing of the content using the asymmetric key cryptography together with the storing of the signed content in the distributed ledger provide a non-repudiable identification of an owner of the content and a non-repudiable proof of an ownership of the content. |
| US11251938B2 |
Blockchain verification using non-consecutive blocks
An example operation may include one or more of receiving a request to store a data block on a hash-linked chain of data blocks, dynamically selecting a subset of non-consecutive data blocks which have been previously stored within the hash-linked chain of data blocks, generating a linking hash based on a hash value of the data block to be stored and an accumulation of hash values from the subset of non-consecutive data blocks, and adding the data block to the hash-linked chain of data blocks, wherein the added data block includes the linking hash stored therein. |
| US11251933B2 |
Collision avoidance in multi-hop ad-hoc networks using half duplex transceivers
Techniques for collision avoidance on a current receiving network node using a half duplex wireless transceiver include, in response to receiving a request to transmit a variable length data message from a first node, transmitting a clear to transmit message that indicates the first node followed by transmitting a physical layer first pilot message. In some circumstances, the techniques include transmitting an acknowledgement message that indicates the first node, only in response to successfully receiving the variable length data message that indicates the first node followed by receiving a physical layer second pilot message. The second pilot message can be detected using either or both of energy detection and preamble detection. |
| US11251932B2 |
Small data techniques and configurations in a wireless communication network
Embodiments of the present disclosure describe techniques and configurations for triggering transmission of data payloads in a wireless communication network. An apparatus may include one or more computer-readable media having instructions and one or more processors coupled with the one or more computer-readable media and configured to execute the instructions to implement an interworking function (IWF) to receive, from a Machine Type Communication (MTC) server, a trigger request to trigger sending of a data payload over a wireless communication network, the data payload being smaller than a preconfigured threshold, and send, in response to the trigger request over a reference point to a module including a Mobility Management Entity (MME) or a Serving GPRS (General Packet Radio Service) Support Node (SGSN), a trigger notification to trigger sending of the data payload over the wireless communication network. |
| US11251931B2 |
Active transmission configuration indication states
Methods, systems, and devices for wireless communication are described. Generally, the described techniques provide for limiting a number of active beams available for communications between a user equipment (UE) and a base station (e.g., to limit the complexity at the UE). In one example, transmission configuration indication (TCI) states may correspond to active beams available for downlink reception that are identified based on configured quasi co-location (QCL) relationships and active QCL assumptions (i.e., the TCI states may include configured QCL relationships and QCL assumptions). Because the TCI states may include configured QCL relationships and active QCL assumptions, the number of active beams available for communications between a UE and a base station may be limited by the number of active TCI states (e.g., where the number of active TCI states may be determined based on a UE capability). |
| US11251927B2 |
Method of transmitting and receiving downlink data and apparatus therefor
A method of receiving Downlink (DL) data by a User Equipment (UE) in a wireless communication system. The method includes: receiving information related to a number of repetitions of the DL data which is repeatedly transmitted in (i) at least one first Transmission Time Interval (TTI) included in a first subframe, and in (ii) at least one second TTI included in a second subframe that is after the first subframe; and receiving the DL data based on the number of repetitions of the DL data. If a Transmission Mode (TM) for the first subframe is different from a TM for the second subframe, then the UE does not receive the DL data in the at least one second TTI. |
| US11251926B2 |
Sending full channel quality indication reports on TDM channel in wireless communication
Multiple full channel quality indication (CQI) reports indicative of received signal quality for multiple carriers in wireless communication are transmitted in multiple time intervals of a CQI channel. |
| US11251925B2 |
Apparatus and method of wireless communication of same
An apparatus and a method of wireless communication of the same are provided. The method includes receiving data from a second user equipment, performing decoding on the data from the second user equipment, and transmitting, to the second user equipment, feedback information according to a decoding state associated with the decoding on the data from the second user equipment, wherein the feedback information is carried in a sequence. |
| US11251922B2 |
Method for receiving or transmitting downlink control signal in wireless communication system, and apparatus therefor
The present invention relates to a method for receiving a downlink control signal in a wireless communication system including monitoring EPDCCH (enhanced physical downlink control channel) candidates to decode an EPDCCH in one or two EPDCCH sets on a first serving cell configured for the UE, and receiving a PDSCH (physical downlink shared channel) corresponding to the decoded EPDCCH. The EPDCCH candidates may include EPDCCH candidates for the first serving cell and EPDCCH candidates for a second serving cell scheduled by the first serving cell. Aggregation levels and the number of the EPDCCH candidates for the second serving cell at each of the aggregation levels are associated with bandwidth of the second serving cell. |
| US11251920B2 |
Methods and apparatuses for transmitting and receiving reference signals
Embodiments of the present disclosure relate to methods and apparatuses for transmitting and receiving reference signals. In transmitting reference signals, reference signals are transmitted using a first group of configuration resources within a first transmission resource group; and the reference signals are transmitted using a second group of configuration resources within a second transmission resource group. The first group of configuration resources are determined based on allocated resource configurations for the reference signals and the second group of configuration resources are a subset of the first group of configuration resources. |
| US11251919B2 |
Panel selection for user equipment with multiple panels
The present disclosure provides signaling for user equipment (UE) panel identification. The UE may have at least a first panel and a second panel. The UE may receive at least one downlink reference signal from a base station. The UE may determine a first mapping of the at least one downlink reference signal to one or more panel identifiers. The UE may receive a configuration of an uplink reference signal resource. Based on the configuration, the UE may transmit an uplink reference signal using a selected panel, the selected panel being associated with a selected panel identifier. The UE may transmit a report including a second mapping between the selected panel identifier and the uplink reference signal. The UE may receive an uplink grant indicating the selected panel associated with the selected panel identifier. The UE may transmit an uplink data channel using the selected panel. |
| US11251917B2 |
Method for transmitting DMRS of physical broadcast channel, network device and terminal
A method for transmitting a DMRS of a physical broadcast channel, a network device and a terminal for performing the method are provided. The method includes: configuring a demodulation reference signal DMRS sequence of a new radio physical broadcast channel NR-PBCH, where the DMRS sequence is configured to indicate a position relation between a synchronization signal block to which the NR-PBCH belongs and a system frame where the SS block is located; and transmitting the DMRS sequence of the NR-PBCH to a terminal. The configuring the DMRS sequence of the NR-PBCH includes: configuring phase rotation information of the DMRS sequence of the NR-PBCH. The position relation between the SS block to which the NR-PBCH belong and the system frame where the SS block is located includes: the SS block being located in a first or last 5 ms of the system frame where the SS block is located. |
| US11251909B2 |
Redundancy versions in a hybrid automatic repeat request, HARQ process
Apparatus and methods for performing a hybrid automatic repeat request, HARQ, process are disclosed. In one embodiment, a method in a wireless device for transmission of redundancy versions in a HARQ process includes determining, by the wireless device, a redundancy version, RV, for transmission by the wireless device, the RV being based at least on a coding rate and performing a transmission according to the determined RV. In one embodiment, a method in a network node is provided including receiving, from a wireless device, a transmission corresponding to a redundancy version, RV, the RV being based at least on a coding rate. |
| US11251908B2 |
Advanced coding on retransmission of data and control
Systems, methods, and instrumentalities are disclosed for advanced coding on retransmission of data and/control information. The systems methods, and instrumentalities may include one or more of the following: chase combining for retransmission; incremental redundancy (IR) hybrid automatic repeat request (IR-HARQ); or incremental freezing (IF) HARQ. IF-HARQ may use lower coding rates and/or increased mother codeword length. IF-HARQ for retransmission with joint encoding and transmission of failed data and/or control message(s) (e.g., new control message(s)) may be used. This may include one or more of the following: increased priority for retransmission data and mapping retransmitted data to more reliable bit channels; or allocating more PC frozen bits for retransmitted data. A HARQ decision may be provided. For example, a decision may be made between the use of chase combining (CC) HARQ, IR-HARQ, or IF-HARQ. For IF-HARQ, additional decisions may be made. |
| US11251902B2 |
Downlink control information transmission method and receiving method, and related device
The application provides methods for transmitting and receiving Downlink Control Information (DCI), and a related device. The receiving method includes: determining configuration information of to-be-transmitted DCI, based on a corresponding relationship between a DCI Aggregation Level (AL), and/or, a number of blind detections corresponding to the AL, and a payload size of the DCI; configuring the to-be-transmitted DCI, by using the configuration information; and, transmitting the to-be-transmitted DCI to a mobile communication terminal. |
| US11251901B2 |
Feedback parameters required by link adaptation
Disclosed are methods, devices, and computer readable storage mediums for encoding and decoding messages for fast link adaptation. In one aspect, a method of a high efficiency (HE) station (STA) (HE STA) includes encoding an aggregated control subfield of a high throughput (HT) Control field to signal one or more of: a request to use dual carrier modulation (DCM), a request to use a particular resource unit, an uplink (UL) power headroom indication, and an indication that the HE STA is using a minimum transmit power for a current modulation and coding scheme (MCS). The method also includes configuring the HE STA to transmit a HE-PPDU including the HT control field. |
| US11251899B2 |
Base station, terminal, receiving method, and transmission method
An object of this disclosure is to improve the channel estimation accuracy without degradation of transmission quality. Control section 101 configures a predefined number of demodulation reference signals (DMRSs) for terminal 200 configured to perform repetition of an uplink signal over multiple subframes, when a coverage enhancement level corresponding to the number of the multiple subframes is smaller than a determined value, and configures, for the terminal, a number of DMRSs obtained by adding a predetermined number of DMRSs to the predefined number, when the terminal applies the repetition and the coverage enhancement level is equal to or larger than the determined value, the uplink signal being formed by time-multiplexing a data symbol with a DMRS in one subframe. Receiving section 110 receives the uplink signal including the configured number of DMRSs and transmitted from the terminal. Channel estimation section 115 performs channel estimation using the DMRS included in the received uplink signal. |
| US11251894B2 |
Apparatus and method to reduce the impact of coherent crosstalk in optical networks
Optical networks, nodes and methods are disclosed. To solve the aggressor issue and to reduce the cross-talk caused by the aggressors in colorless, directionless and contentionless reconfigurable optical add drop multiplexer nodes, the present disclosure configures a first broadcast module to supply only non-adjacent wavelengths to a first input port of a wavelength selective switch, and a second broadcast module to supply only non-adjacent wavelengths to a second input port of the wavelength selective switch. |
| US11251888B1 |
Preserving battery life in poor signal conditions using RF link analysis
One embodiment of the present invention sets forth a technique for operating an electronic device within a cellular environment. The technique includes determining one or more radio frequency (RF) link parameters associated with a link between the electronic device and a cellular base station at a first point in time. The technique also includes computing a first estimate for a pseudo-coupling loss (PCL) for the link based on the one or more RF link parameters. The technique further includes determining that the PCL exceeds a maximum coupling loss (MCL) for the link based on the first estimate and delaying transmission of one or more messages from the electronic device over the link until a second point in time that is later than the first point in time. |
| US11251872B1 |
Multi-speed integrated transceiver cabling system
A multi-speed integrated transceiver cabling system includes a cable coupled to a transceiver device that includes a transceiver processor and an optical waveguide coupling. A data receiving subsystem in the transceiver device couples the transceiver processor to the optical waveguide coupling, includes data receiving optical waveguides, and transmits first data received from the transceiver processor to the optical waveguide coupling over a number of the data receiving optical waveguides that depends on a first data transmission speed at which the first data was received. A data transmission subsystem in the transceiver device couples the transceiver processor to the optical waveguide coupling, includes data transmission optical waveguides, and receives second data via the optical waveguide coupling and over a number of the data transmission optical waveguides that depends on a second data transmission speed at which the second data was received, and then transmits that second data to the transceiver processor. |
| US11251871B2 |
Method and apparatus for determining maximum gain of Raman fiber amplifier
The present disclosure relates to a technical field of optical communication, and provides a method and an apparatus for determining maximum gain of Raman fiber amplifier. Wherein the method includes obtaining transmission performance parameters of a current optical fiber transmission line; respectively obtaining impact factors A1, A2, A4 according to a distance between a joint and a pump source, a fiber loss coefficient, and a fiber length included in the transmission performance parameters; calculating a joint loss value AttAeff according to a distance between a joint and a pump source, a fiber loss coefficient, and looking up impact factor A3 according to AttAeff; determining an actual maximum gain which may actually be achieved by the Raman fiber amplifier according to A1, A2, A3, A4. The actual maximum gain obtained in the present disclosure is the maximum gain that may be achieved over all input power ranges, and the original signal in system is kept to operate at a fixed gain, such that a gain locking effect is realized, and fluctuation of existing transmission signal power caused by signal change in transmission fiber link is avoided. |
| US11251869B2 |
Fibre channel networking device zone merging system
A zone merging system includes a first FC networking device that is associated with one or more first FC networking device zones and a second FC networking device that is associated with one or more second FC networking device zones, wherein each of the one or more first and second FC networking device zones identifies a plurality of zone member devices. The second FC networking device performs limited zone merging operations subsequent to establishing a link with the first FC networking device. The limited zone merging operations include merging, via the link with first FC networking device zones, each of the second FC networking device zones that identifies at least one zone member device that is not local to the second FC networking device, while not merging each of the second FC networking device zones that identify only zone members that are local to the second FC networking device. |
| US11251868B2 |
Dispersion compensation system and dispersion compensation method
An object is to provide a dispersion compensating system with a large amount of dispersion compensation and reduced operation costs.Disclosed is a dispersion compensating system in which a core node and an access node are connected through a ring network, the access node includes a delay measurement unit configured to receive delay measurement signals from the core node to measure a delay between the core node and the access node, an average dispersion amount calculation unit configured to calculate an amount of dispersion compensation to be applied to an optical burst signal prior to transmission to the ring network, based on the delay thus measured, and a real-part inverse dispersion application unit configured to perform pre-equalization on a waveform of the optical burst signal prior to the transmission, based on the calculated amount of dispersion compensation. |
| US11251866B2 |
Wireless delivery of broadcast data
Systems and methods for improved content streaming and downloading. The system enables content to be transmitted to wireless base stations (WBSs) using unicast on the core network side of a cellular network to avoid incompatibilities associated with network broadcast technologies such as Evolved Multimedia Broadcast Multicast Services (eMBMS) and Long-Term Evolution Broadcast (LTE-B). At the same time, the system enable content to be broadcast, or transmitted to multiple user equipment (UE) in a single transmission to reduce wireless bandwidth consumption. The system can include a commodity server to receive requests from WBSs, place them in a chronological list based on network latency, and then transmit content to each WBS in a synchronized unicast manner. Each WBS can then transmit the content to a plurality of UEs with minimal buffer required due to the “pre-synchronization.” |
| US11251865B2 |
Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems
Disclosed herein are methods, devices, and system for beam forming and beam steering within ultra-wideband, wireless optical communication devices and systems. According to one embodiment, a free space optical (FSO) communication apparatus is disclosed. The FSO communication apparatus includes an array of optical sources wherein each optical source of the array of optical sources is individually controllable and each optical source configured to have a transient response time of less than 500 picoseconds (ps). |
| US11251864B1 |
Logical cut of an optical fiber due to fiber events
An optical switch configuration is disclosed that gives the appearance of a logical cut in a fiber optic line. The inputs to the optical switch are redundant so that if a fiber event occurs on one input, the optical switch can switch to the other input. In the case where both paths of an optical fiber have fiber events, router convergence is delayed. One mechanism to mitigate a prolonged fiber degradation is to dampen the optical power on the output optical fiber of the optical switch, such that it creates a loss of light and appears as a clean cut of the optical fiber. Another solution uses optical switches to inject an alternate light source onto the output optical fiber, wherein the alternate light source is of a wavelength to be filtered out giving an appearance of a clean cut of the optical fiber. |
| US11251862B2 |
Systems and methods for simultaneous operation of dissimilar SATCOM systems
In one embodiment, a method is provided. The method includes selecting, with a communications management system, a first satellite communications (SATCOM) system of a plurality of SATCOM systems as a primary SATCOM system based on user input, received by a human machine interface, that identifies the first SATCOM system as a user-selected SATCOM system. The method further includes automatically switching, with the communications management system, the primary SATCOM system from the first SATCOM system to a second SATCOM system of the plurality of SATCOM systems in response to: a fault status for the first SATCOM system; a loss of channel availability for the first SATCOM system; and/or a failed datalink message transmission for the first SATCOM system. The method further includes establishing a communication link between the primary SATCOM system and a ground station. |
| US11251857B2 |
Systems and methods for selecting radio beams
A device may obtain, from a user equipment (UE), first information relating to one or more signal strengths measured by the UE. A signal strength of the one or more signal strengths may be associated with a beam of a radio node. The device may identify, based on the first information, a particular signal strength that is associated with a particular beam. The device may select, based on the particular beam, one or more related beams that are associated with the particular beam. The one or more related beams may be associated with the particular beam based on historical data relating to historical signal strengths measured by a plurality of UEs. The device may provide, to the UE, second information that identifies the one or more related beams selected, to permit the UE to communicate using the one or more related beams. |
| US11251856B2 |
Control apparatus, radio communication method, and non-transitory computer readable medium
A control apparatus includes a determination unit configured to determine first and second reception weight matrixes by using first and second channel matrixes between first and second radio apparatuses and the first and second terminals, a first calculation unit configured to calculate a data channel matrix of a data signal transmitted from the first radio apparatus to the first terminal by using the first channel matrix and the first reception weight matrix, a second calculation unit configured to calculate an interference channel matrix of interference to the second terminal caused by the first radio apparatus by using a third channel matrix between the first radio apparatus and the second terminal and the second reception weight matrix, and a third calculation unit configured to calculate a transmission weight matrix for transmitting a data signal so that the interference is suppressed by using the data channel matrix and the interference channel matrix. |
| US11251853B2 |
Determining channel state information in 5G wireless communication systems with phase tracking
The disclosed subject matter relates to techniques for determining channel state information (CSI) in New Radio (NR) access communication systems with phase tracking. In one embodiment, a method is provided that comprises receiving, by a device comprising a processer, configuration information from a network device of a wireless communication network indicating that a PTRS protocol has been configured for wireless communications between the device and the network device. The method further comprises, determining, by the device, a resource density of resource elements of the wireless communication network allocated for the phase tracking reference signal protocol, determining, by the device, CSI based on the resource density, and reporting, by the device, the CSI to the network device. |
| US11251848B2 |
Transmitting a beam recovery request
Apparatuses, methods, and systems are disclosed for transmitting a beam recovery request. One apparatus (200) includes a receiver (212) that receives (402) information indicating a resource configured for a beam recovery request. The apparatus (200) includes a transmitter (210) that transmits (404) the beam recovery request on the resource in response to a first trigger condition. |
| US11251847B2 |
User device beamforming
The present disclosure describes methods and apparatuses for forming beams that carry data transmitted from a user device to a base station. In some aspects, a transmission configuration is determined based on a set of beams downlinking the base station to the user device and carrying a set of data. The determined transmission configuration is the applied to a transceiver of the user device, which then transmits another set of data carried by another set beams uplinking the user device to the base station. |
| US11251840B1 |
System and method for performing measurements of antenna under test offset from center of quiet zone
A system and method are provided to determine equivalent isotropic radiated power (EIRP), effective isotropic sensitivity (EIS) and/or signal quality of a DUT in a test chamber, where the DUT has an AUT that has beam-forming capability and is offset from a center of a quiet zone of the test chamber. The method includes establishing a connection with the DUT using a far-field probe antenna in a far-field of the test chamber relative to the AUT so that the AUT forms a beam in a beam peak direction towards the far-field probe antenna; locking the beam of the AUT in the beam peak direction to prevent subsequent beam forming; and performing a near-field measurement of the EIRP, the EIS and/or the signal quality of the AUT with the beam locked in the beam peak direction using a near-field probe antenna in a near-field of the test chamber. |
| US11251839B2 |
Generalized beam management framework
Various aspects of the technology described herein are directed towards a generalized beam management framework in which beam management takes into account interference to steer a beam. Aspects comprise configuring a report request comprising a resource setting with channel state information-reference signal resource data and an associated report setting with parameter data corresponding to the one or more channel state information-reference signal resources. The report request is configured to instruct a user equipment device to include interference information when performing user equipment device beam management and reporting. Upon receiving the report request, the user equipment performs a beam measurement operation that includes interference information when generating the beam management report sent to the network device. |
| US11251838B2 |
Electronic device, communication method and storage medium in wireless communication system to make an optimum compromise between the accuracy of the channel state information and the overhead
An electronic device for a base station in a wireless communication system including processing circuitry configured to indicate a user equipment to report a first type of channel statement information based on a reference signal for the first type of channel statement information, wherein the base station serves the user equipment in a way of SU-MIMO, make a determination that a second type of channel statement information is required in a case that the base station changes the way serving the user equipment from SU-MIMO to MU-MIMO, and notify the user equipment to report the second type of channel statement information based on a reference signal for the second type of channel statement information. |
| US11251826B2 |
Cable modem, apparatus, device and method for a cable modem, apparatus, device and method for a cable communication system
Examples relate to a cable modem, to an apparatus, device and method for a cable modem, and to an apparatus, device and method for a cable communication system. The apparatus or device for the cable modem comprises interface circuitry/communication means for communicating with transceiver circuitry/transceiving means of the cable modem, and processing circuitry/processing means. The processing circuitry/means is configured to determine information on a power level of received transmissions at a plurality of points in time in a plurality of frequency bands of an upstream spectrum via the transceiver circuitry, to determine, for each of the plurality of frequency bands, numeric information on an occurrence of one or more power levels of the received transmissions in the respective frequency band, and aggregate the numeric information on the occurrence of the one or more power levels of the received transmissions by frequency band. |
| US11251825B2 |
Data transmission device
A data transmission system including an emitting device, a receiving device and a communication link, wherein the emitting device includes: a radio frequency emitter connected to the communication link; a power line connected to the communication link at a connection point, wherein the power line is brought to a supply voltage; and a capacitive coupling component connected between the radio frequency emitter and the connection point, wherein the receiving device includes: a radio frequency receiver connected to the communication link for receiving the radio frequency signal; a power line connected to the communication link at a connection point; and a capacitive coupling component connected between the connection point and the radio frequency receiver, wherein the capacitive coupling components transmit the radio frequency signal and block the supply voltage. |
| US11251824B2 |
Protective case for mobile electronic communication device
A protective case for a mobile electronic communication device includes a rear cover including a compressible member and a catch, the compressible member and the catch being spaced from each other to form an alcove; and a front cover including a rim configured to extend into the alcove, the rim having an inner surface configured to contact the compressible member and an outer surface opposite the inner surface configured to engage the catch. |
| US11251822B1 |
Software defined radio (SDR) filter relaxation technique for multiple-input and multiple-output (MIMO) and large antenna array (LAA) applications
An example method of operating a radio system includes receiving, over a receiver-path, an RF input signal from an antenna, and converting the RF input signal to fall within a pre-defined frequency range using a local oscillation signal. The method further includes processing the converted input signal with a standard filter. In some examples, the method further includes generating the local oscillation signal in a transmitter path of the radio system. |
| US11251820B2 |
Circuit for processing radio frequency signal
A circuit for processing radio frequency signal includes a first path and at least one other second path; herein the first path includes at least one radio frequency amplification device; a first radio frequency current generated by parasitic capacitance of the at least one radio frequency amplification device flows through the at least one second path; the circuit for processing the radio frequency signal further includes at least one resonance module, a first end of each of the at least one resonance module is connected with the first path, and a second end of each of the at least one resonance module is connected with at least a part of second paths of the at least one second path; and the at least one resonance module is configured to generate a resonance current opposite to the first radio frequency current. |
| US11251819B1 |
Thermal effect mitigation for digital pre-distortion
A transmitter for a communication system comprises a digital pre-distortion (DPD) circuit configured to generate a digital intermediate signal by compensating an input signal for distortions resulting from an amplifier, and an adaptation circuitry configured to update the first parameter based on the adjustment signal, the input signal, and an output signal output by the amplifier and based on the digital intermediate signal. The DPD circuit includes an infinite impulse response filter configured to implement a transfer function based on a first parameter, and thermal tracking circuitry configured to generate an adjustment signal corresponding to a thermal change of the amplifier. |
| US11251816B2 |
Full-band radio frequency device and communication terminal based on frequency band B41
The present disclosure provides a full-band radio frequency device based on a frequency band B41, which includes a main part and a diversity part; the main part includes a power amplifier circuit configured to perform amplification processing on an output signal, a first filter circuit configured to perform filter processing on a transmitted or received signal in a first frequency band, and a duplex circuit configured to transmit or receive signals in a second frequency band; the diversity part includes a second filter circuit configured to perform filter processing on a received signal in a third frequency band, and a third filter circuit configured to perform filter processing on a received signal in a fourth frequency band; the first frequency band and the second frequency band are combined into a full-band B41, and the third frequency band and the fourth frequency band are combined into a full-band B41. |
| US11251810B2 |
Low-density parity-check decoding with desaturation
A saturation metric that represents a degree of saturation in a low-density parity-check (LDPC) decoding system that uses a fixed-point number representation is determined. The saturation metric is compared against a saturation threshold. In the event the saturation metric exceeds the saturation threshold, at the end of a decoding iteration, a message is more aggressively attenuated compared to when the saturation metric does not exceed the saturation threshold in order to produce an attenuated message. In the event the saturation metric does not exceed the saturation threshold, at the end of the decoding iteration, the message is less aggressively attenuated compared to when the saturation metric does exceed the saturation threshold in order to produce the attenuated message. |
| US11251809B2 |
Soft-aided decoding of staircase codes
A hard-decision (HD) forward error correcting (FEC) coded signal is decoded by a decoder to produce decoded bits using marked reliable bits of the HD-FEC coded signal and marked unreliable bits of the HD-FEC coded signal. The marked reliable and unreliable bits are computed by calculation and marking blocks based on an absolute value of log-likelihood ratios of the HD-FEC coded signal. The HD-FEC coded signal may be, for example, a staircase code coded signal or a product code coded signal. |
| US11251807B1 |
Wide bandwidth ADC with inherent anti-aliasing and high DC precision
A wide bandwidth ADC circuit that combines a resistive-input continuous-time sigma-delta ADC circuit with a second ADC circuit having a switched capacitor input. The combination of these two ADC circuits can achieve an easy-to-drive, alias free, wide bandwidth ADC that has excellent DC precision. |
| US11251805B2 |
Method for fast detection and automatic gain adjustment in ADC based signal
A method can include modulating an amplified analog signal into a digital data stream, filtering the digital data stream with a first filter, generating gain control values associated with amplified analog signal based on the filtered data stream with the first filter and filtering the digital data stream with a second filter, and generating output digital values associated with the amplified analog signal based on the filtered data stream with the second filter. Corresponding systems and devices are also disclosed. |
| US11251803B2 |
Non-linearity correction
A method for non-linearity correction includes receiving a first output signal from a data signal path containing a first analog-to-digital converter and receiving a second output signal from a second analog-to-digital converter. The method also includes generating first non-linearity coefficients using the first output signal and generating second non-linearity coefficients using the first and second output signals. The method further includes applying, by a non-linearity corrector in the data signal path, the first and second non-linearity coefficients to compensate for non-linearity components in a digitized signal output from the first analog-to-digital converter to generate a corrected digitized signal. |
| US11251802B1 |
Nonlinear digital-to-analog converter
A digital-to-analog converter (DAC) includes a plurality of reference modules, an output capacitor configured to output the analog voltage, and a sharing switch coupled between the output capacitor and the reference modules. The reference modules are mutually connected in parallel. Each reference module includes a reference capacitor and a reference switch connected in series. A plurality of reference capacitances of the reference capacitors are substantially identical. The reference switches are controlled by a plurality of control signals. The control signals are corresponding to a control code. The DAC produces an analog voltage according to the control code. An analog difference, between a first analog voltage corresponding to a first control code and a second analog voltage corresponding to a second control code, monotonically increases or monotonically decreases as a first value corresponding to the first control code increases. The first control code is consecutive to the second control code. |
| US11251800B2 |
Frequency divider circuit, demultiplexer circuit, and semiconductor integrated circuit
A frequency divider circuit includes: a first frequency dividing circuit configured to divide a first clock signal to generate a first frequency-divided clock signal; a second frequency dividing circuit configured to divide a second clock signal having the same frequency as the first clock signal and having a first phase difference with respect to the first clock signal to generate a second frequency-divided clock signal; a detection circuit configured to detect a phase relationship between the first frequency-divided clock signal and the second frequency-divided clock signal; and a selection circuit configured to select and output one of the second frequency-divided clock signal and an inverted signal of the second frequency-divided clock signal which are generated by the second frequency dividing circuit, based on the phase relationship between the first frequency-divided clock signal and the second frequency-divided clock signal detected by the detection circuit. |
| US11251797B2 |
Time-to-digital converter and phase locked loop
Power consumption of a time-to-digital converter (TDC) used in a phase locked loop (ADPLL) is suppressed. The time-to-digital converter includes an analog-to-digital converter and a current source circuit. The analog-to-digital converter includes a predetermined charge capacitor. The current source circuit supplies a charge current that charges the charge capacitor of the analog-to-digital converter with a charge. The charge current supplied by the current source circuit is supplied so that a charge voltage at the time of charging the charge capacitor of the analog-to-digital converter with the charge current has a constant gradient with respect to a charge time. |
| US11251795B2 |
IC with first and second functional circuits coupling only first circuits to output bond pads
A family of digital logic functions has the same specifications for input and output voltages and the same number of bond pads. A digital logic integrated circuit for the family includes a substrate of semiconductor material having a core area and a peripheral area; a certain number of bond pads formed in the peripheral area, the certain number of bond pads determining the total area of the substrate; programmable digital logic transistor circuitry formed in the core area for each of the digital logic functions in the family; programmable input and output circuitry formed in the peripheral area; programming circuitry for programming the programmable digital logic transistor circuitry into a selected digital logic function; and programmable input and output means for programming the input and output circuitry into input and output circuits for the selected digital logic function. |
| US11251793B2 |
Drive system for vending machine
A drive system for a vending or other dispensing machine includes an electronic switch and an electric motor configured to actuate dispensing coils or other dispensing technologies to dispense instances of products. The drive system minimizes the risk of sparking and igniting propane or other volatile refrigerants or other volatile chemicals or materials used in or near the machine. The electronic switch may be a Hall effect switch, and the electric motor may be a brushless DC electric motor. A homing circuit is connected to the drive system to control/monitor actuation of the dispensing mechanism. A wiring harness connects the electronic switch to the electric motor, and may include a connector which can be set to allow the electric motor to operate in a clockwise direction or in a counterclockwise direction. |
| US11251792B2 |
Single-pole double-throw switch
A single-pole double-throw switch includes switching units which are set between a first port and a second port and between the first port and a third port, respectively, and are configured to perform complementarily. The each switching unit includes an antenna port, a circuit port, a transmission line configured to couple them, and a switching element connected between the transmission line and a ground. The switching element includes a parallel circuit including a transistor and an inductor connected in parallel, and a capacitor connected in series with the parallel circuit. The transmission line has a characteristic impedance different from a impedance seen inside the switching unit from the antenna port and a impedance seen inside the switching unit from the circuit port. |
| US11251788B2 |
Duty cycle adjustment apparatus
A duty cycle adjustment apparatus comprises a first edge extraction unit for extracting a rising edge of a first clock signal; a locking discrimination unit configured to output a control signal according to a comparison result between a discrimination voltage and a stabilized voltage, and select to connect the first clock signal or the clock output signal; an integration unit, configured to convert the feedback signal into the stabilized voltage, amplify the stabilized voltage to reach a reference voltage, and output a control voltage; a charge pump, configured to output a second clock signal according to the control voltage; a second edge extraction unit, configured to extract a falling edge of the second clock signal; and a phase discriminator, configured to compare a phase of the rising edge of the first clock signal with a phase of the falling edge of the second clock signal to generate the clock output signal. |
| US11251787B2 |
Modulators
This application relates to time-encoding modulators (TEMs). A TEM (100) receives an input signal (SIN) and outputs a time encoded signal (SPWM). A comparator (101) is located within a forward signal path of a feedback loop of the TEM. Also in the feedback loop are a filter (104) and a delay element (106) for applying a controlled delay. In some embodiments a latching element (101, 302; 106, 402) is located within the forward signal path to synchronise any signal transitions output from the latching element to a received first clock signal. Any signal transitions in the output (SOUT) from the modulator are thus synchronised to the first clock signal. In some embodiments the delay element (106) is a digital delay element which is synchronised to the first clock signal. |
| US11251783B1 |
Demodulation methods and devices for frequency-modulated (FM) signals
An apparatus includes a phase modulator configured to modulate a phase of an incoming frequency-modulated signal based on a clock signal to generate a phase-modulated signal, where the clock signal is associated with a clock frequency. The apparatus also includes an etalon configured to receive the phase-modulated signal and generate an output signal based on the phase-modulated signal. The apparatus further includes a detector configured to identify amplitudes associated with a first harmonic of the clock frequency and a first subharmonic of the clock frequency in the output signal. In addition, the apparatus includes a decoder configured to recover information encoded in the incoming frequency-modulated signal based on instantaneous frequency deviations of the incoming frequency-modulated signal, where the instantaneous frequency deviations are identified based on relative amplitudes of the first harmonic and the first subharmonic. |
| US11251782B1 |
Level shifter with ESD protection
As disclosed herein, a level shift circuit includes devices that are responsive to an ESD signal for placing those devices in a specific condition in response to the ESD signal indicating an ESD event. In some embodiments, the devices are transistors in current paths that are placed in a condition such that during an ESD event, voltage differentials in the current paths across voltage domain boundaries do not damage the circuitry of the level shift circuit. In some embodiments, some of the same devices that are responsive to the ESD event are also responsive to a signal to that detects the absence of a power supply voltage of one of the domains and places those devices in a condition to disable the level shift circuit if the power supply voltage is not present. |
| US11251780B1 |
Voltage level-shifter
An integrated circuit device includes a level shifter circuit with a supply voltage rail to provide a supply voltage, a first pull-up circuit coupled between the supply voltage rail and a first node, a second pull-up circuit coupled between the supply voltage rail and a second node, a first switch including a first terminal coupled to the supply voltage rail, a second terminal coupled to the first node, and a control terminal coupled to the second node, and an inverter including an input terminal coupled to the first node, a voltage supply terminal coupled to the supply voltage, and an output terminal to provide an output voltage from the level shifter circuit. |
| US11251778B2 |
Impedance matching device and impedance matching method
An impedance matching device includes: a variable capacitor in which a plurality of series circuits of capacitors and semiconductor switches are connected in parallel; a calculation unit that calculates an impedance or a reflection coefficient on the load side using information regarding impedance acquired from the outside; and a control unit that determines ON/OFF states to be taken by the semiconductor switches included in the variable capacitor using the impedance or the reflection coefficient calculated by the calculation unit and turns on or off the semiconductor switches based on the determined states. The control unit changes an ON/OFF control timing between one and another of the semiconductor switches. |
| US11251774B2 |
Quartz crystal resonator unit
A quartz crystal resonator unit includes a quartz crystal substrate, first and second excitation electrodes, first and second conductive sealing members, and first and second exterior members. The first excitation electrode is disposed on a first main surface of the substrate with the first conductive sealing member surrounding the first excitation electrode. Similarly, the second excitation electrode is disposed on a second main surface of the substrate with the second conductive sealing surrounding the second excitation electrode. The first and second exterior members are bonded to the quartz crystal substrate with the first and second conductive sealing member respectively interposed therebetween and to cover the first and excitation electrodes, respectively. In a plan view of the first main surface of the substrate, at least part of the first conductive sealing member is located outward of the second conductive sealing member. |
| US11251764B2 |
Amplification device
An amplification device includes an amplification circuit, an inductor, a regulator, and a impedance circuit. The amplification circuit has an input terminal for receiving a radio frequency signal, and an output terminal for outputting an amplified radio frequency signal. The inductor has a first terminal, and a second terminal coupled to the output terminal of the amplification circuit. The regulator is coupled to the first terminal of the inductor and generates a steady voltage and/or a steady current. The impedance circuit has a first terminal coupled to the output terminal of the amplification circuit, and a second terminal coupled to a first system voltage terminal. The impedance circuit provides a low frequency impedance path to suppress a beat frequency signal in the amplified radio frequency signal. |
| US11251758B2 |
Power amplifier circuit, semiconductor device, and method for manufacturing semiconductor device
A power amplifier circuit includes an amplifier unit disposed on a die of a semiconductor device. The amplifier unit includes an amplifier transistor. The power amplifier circuit further includes a detector transistor disposed on the die of the semiconductor device, a variable attenuator that compensates for a gain of the amplifier unit, a bias level setting holding unit that holds a bias level setting value, which is set based on at least a detection value of the detector transistor, and a bias generation unit that generates a bias value of the variable attenuator based on the bias level setting value. |
| US11251757B2 |
High-frequency front-end circuit
A high-frequency front-end circuit includes a plurality of power amplifiers. Power supply inductors and matching inductors for the power amplifiers are formed of conductors disposed on a substrate. The power supply inductors and the matching inductors are disposed on or in different layers. When the substrate is seen in a plan view, at least a portion of the first power supply inductor and at least a portion of the second matching inductor overlap each other with an insulating layer interposed therebetween. |
| US11251750B1 |
Crystal oscillator and startup method for a crystal oscillator
A crystal oscillator and a startup method for initiating operation of a crystal oscillator, the crystal oscillator includes an oscillator structure including a crystal resonator and an electronic oscillator circuit connected to the crystal resonator, the oscillator structure having a first terminal and a second terminal, a startup controller operable to initiate an oscillation in the oscillator structure by exciting the oscillator structure with a sequence of excitation signals derivable from a clock signal and when triggered by a timing signal, the sequence of excitation signals includes at least a first excitation signal and a second excitation signal, a comparator including a first and a second input terminal and an output terminal, the first input terminal being connected to the first terminal and wherein the second input terminal is connected to the second terminal. |
| US11251743B2 |
Click-on tower and l-foot mount for attaching solar panels to a roof
A click-on clamping mechanism is for attaching, without tools, a clamp+tower subassembly to a slider bar (which is attached to a roof substrate with lag screws). The clamp+tower sub-assembly can have a height-adjustable, rail-less solar panel mounting assembly attached to it for mounting one or more photovoltaic solar panels thereto. The height of the solar panel mounting assembly can be easily adjusted, either before or after mounting of the solar panels. The click-on clamp+tower sub-assembly is easily removable from the slider bar. A click-on L-foot mount for attaching solar mount rails is also described. The click-on structures can be spring-loaded. |
| US11251738B2 |
Drive circuit for an electric motor circuit
A drive circuit comprises a two port LC inductive network with a source switch operable to switch the network between an ST state and an active state; an inverter and a controller for controlling the On-Off state of the switches of the inverter and the On-OFF state of the source switch, wherein the controller in use operates the switches to provide: a non-drive portion of the PWM period in which the source switch is held open and the top and bottom switches of at least one phase are held closed so that the drive circuit is operating in an ST mode, a drive portion of the PWM period which immediately follows or immediately precedes the non-drive portion in which the source switch is closed and the top and bottom switches are arranged, and in which the controller is configured to employ a PWM pattern in which all of the bottom switches or all of the top switches are moved from the closed state to an open state simultaneously, and further in which the source switch is moved from the open state to the closed state substantially at the start of the drive portion and is moved from the closed state to the open state substantially at the end of the drive portion. |
| US11251737B2 |
Control device
A control device for an electric motor having a first set of coil windings arranged to form a first sub motor and a second set of coil windings arranged to form a second sub motor, wherein current flow in the first set of coil windings is controlled using a first pulse width modulation, PWM, having a first switching sequence and current flow in the second set of coil windings is controlled using a second PWM having a second switching sequence, the control device comprising means arranged to measure the current flow in each of the first set of coil windings, wherein upon determining that the sum of the current flow in the first set of coil windings is substantially non zero, deriving the first PWM values from voltage values used to generate the second PWM. |
| US11251733B2 |
Control of a power part of a variable speed drive based on predetermined levels of flux
A method for controlling a variable speed drive arranged for powering an electric motor, the variable speed drive comprising a power part and a control part. The method comprises a preliminary phase of storing a set of predetermined levels of flux of the electric motor. Then, during a current phase, the method comprises selecting a level of flux from among the set of predetermined levels of flux and controlling the power part of the variable speed drive based on the selected level of flux as reference value. |
| US11251732B2 |
Motor control device and motor control method
A motor control device includes processing circuitry configured to calculate a current command value corresponding to torque that should be generated by a motor, divide the calculated current command value into individual current command values for coil groups, control power feeding to the coil groups independently for each of the coil groups based on a corresponding one of the individual current command values, set, for each one of the coil groups, an upper limit value of a corresponding one of the individual current command values and, when the individual current command value for any one of the coil groups is limited to a value that is smaller than a corresponding one of the upper limit values, supplement an amount limited in the individual current command value by increasing the individual current command value for at least a remaining one of the coil groups. |
| US11251727B2 |
Electric motor control device
The electric motor control device includes a rotation angle correction amount calculation unit that, based on a rotation angle signal for an alternating current electric motor output from an angle sensor and a current detection signal for the alternating current electric motor output from a detector, calculates a rotation angle correction amount to correct a rotation angle error between the rotation angle signal and a magnetic pole position of the alternating current electric motor, wherein the rotation angle correction amount calculation unit, based on a current detection signal when a short circuit is caused between winding terminals of the alternating current electric motor, calculates at least either one rotation angle correction amount of a direct current component rotation angle correction amount and an alternating current component rotation angle correction amount. |
| US11251726B2 |
Inverter system for an electric vehicle
An inverter assembly for an electric vehicle. The inverter assembly includes three inverters driving at least one wheel of the vehicle. Each inverter has a different phases angle relative to the other inverters in order to minimize current ripple and reduce the capacitor size to allow a smaller package for the inverter assembly. |
| US11251724B2 |
Method for controlling current path range by using electric field, and electronic circuit
A method of controlling a current path range using an electric field is disclosed, and the method of controlling a current path range includes applying an electric field to an active layer including a spontaneous polarization material through an application electrode disposed adjacent to the active layer to form a polarization region of the active layer, and forming a variable low resistance region corresponding to a boundary of the polarization region, wherein the variable low resistance region is a region of the active layer having a lower electrical resistance than another region of the active layer adjacent to the variable low resistance region and allows an electrical path to be formed. |
| US11251720B1 |
Method and apparatus for controlling grid-tie inverter
This application provides a method and an apparatus for controlling a grid-tie inverter. The method includes: acquiring an output voltage of the grid-tie inverter and an output current value of the grid-tie inverter at a current moment; calculating N output current values of the grid-tie inverter at a next moment that is in one-to-one correspondence to N switch states of the grid-tie inverter based on the output current value at the current moment, and N is a natural number greater than or equal to 2; acquiring a first reference current based on the output voltage; acquiring a second reference current based on the output current and the first reference current; determining a first switch state; and controlling the grid-tie inverter to perform power transmission in the first switch state at the next moment. |
| US11251717B1 |
Integrated silicon carbide diode rectifier circuits
An integrated silicon carbide rectifier circuit with an on chip isolation diode. The isolation diode can be a channel-to-substrate isolation diode or a channel to channel isolation diode. the circuit teaches an integrated diode rectification circuit for use with a two phase center tap transformer having a first voltage output, a second voltage output, and a center tap output with a single chip having a first half-wave rectifier connected to the first voltage output, a second half-wave rectifier connected to the second voltage output, and a floating substrate connection connected to the center tap output and an on chip first channel-to-substrate isolation diode electrically connected between the first half-wave rectifier and the floating substrate. |
| US11251716B2 |
Electricity distribution networks
An alternating current power electronic converter includes an alternating current chopper circuit including two pairs of switches, each switch of a pair connected in series and the two pairs of switches connected in parallel. Each switch of a pair is a uni-directional switch. The uni-directional switches of each pair are arranged in opposing directions, and the uni-directional switches of one pair of switches are arranged in an opposing configuration to the uni-directional switches of the other pair of switches. The circuit comprises a bridge connection between switches of each pair of switches. A controller is configured to control a sequence of operation of the switches, providing an overlap period whenever one of the switches of a pair changes from open to closed and the other switch of the pair changes from closed to open. During the overlap period the switch that is moving from closed to open remains closed. |
| US11251714B1 |
Method, apparatus and system for improving energy transmission efficiency between battery and power grid
The application provides a method for controlling a power converter, in which a theoretical output voltage of a first converter is acquired according to a voltage of a source side, a theoretical input voltage of a second converter is acquired according to a voltage of a destination side, and an actual output voltage of the first converter in a first power supply cycle is set according to the theoretical output voltage of the first converter and the theoretical input voltage of the second converter. |
| US11251711B2 |
Current control circuit and power converter
A current control circuit for a power converter can include: a sense transistor coupled to a power transistor to be sensed; and a control circuit configured to control a voltage at a power terminal of the sense transistor in order to mirror a current flowing through the power transistor, to control the sense transistor to generate a sense current, and to generate a control signal for controlling operation states of the power transistor in accordance with the sense current and a reference current. |
| US11251706B2 |
Multiphase switched mode power supply clocking circuits and related methods
Multiphase switched mode power supply clock apparatus, systems, articles of manufacture, and related methods are disclosed. An example apparatus includes a first clock recovery circuit to in response to obtaining a first clock pulse, transmit the first clock pulse to a power converter to cause the power converter to switch based on the first clock pulse, in response to obtaining a second clock pulse after the first clock pulse re-transmit the second clock pulse to a second clock recovery circuit, and increment a count value, and in response to the count value meeting a phase selection value, reset the count value. |
| US11251705B2 |
Controlling reverse current in switched mode power supplies to achieve zero voltage switching
A switched mode power supply includes a multilevel buck power converter and a control circuit. The power converter includes a first buck circuit and a second buck circuit each having a power switch, a rectifier, and an inductor. The power supply may further include a resonant power converter coupled to the multilevel buck power converter. In some examples, the control circuit is configured to generate control signals for the first buck circuit's power switch and the second buck circuit's power switch to control the power converter, and adjust a switching frequency of the control signals to control the amount of reverse current flowing in the first buck circuit and the second buck circuit to achieve zero voltage switching of the first buck circuit's power switch and the second buck circuit's power switch. Other example multilevel buck power converters and power supplies are also disclosed. |
| US11251704B2 |
Single-inductor, multiple-output, DC-DC converter
A single-inductor, multiple-output, DC-DC converter has regulation circuitry that controls switches to alternately charge at least two capacitors associated with at least two DC output voltages via the single inductor from a DC input port. The regulation circuitry determines whether the DC-DC converter is operating in continuous conduction mode (CCM) or discontinuous conduction mode (DCM). In CCM mode, the regulation circuitry regulates the charging duty cycle for a first output voltage and generates the initial charging duty cycle for regulating each other output voltage by scaling the first output voltage duty cycle. In DCM mode, the regulation circuitry independently regulates the charging duty cycles for each output voltage and stores each duty cycle to be used for the next charging period for the same output voltage. The regulation circuitry detects and handles undershoot and overshoot conditions to accelerate recovery at the output ports. |
| US11251703B2 |
Methods and apparatus to facilitate multiple modes of converter operation
Methods, apparatus, systems and articles of manufacture are disclosed that facilitate multiple modes of converter operation. An example apparatus includes a comparator configured to provide a first trigger signal to initiate a first pulse width modulated signal in a constant-on-time mode for a power converter, an oscillator configured to provide a second trigger signal to initiate a second pulse width modulated signal in a fixed frequency mode for the power converter, and a selector configured to receive a select signal, the selector configured to output the first trigger signal to a pulse width modulated signal generator to initiate the first pulse width modulated signal based on a first state of the select signal, and output the second trigger signal to the pulse width modulated signal generator to initiate the second pulse width modulated signal based on a second state of the select signal. |
| US11251695B2 |
Systems and methods for distributing power in a Power-to-the-Edge system architecture
Systems and methods for distributing power in a power-to-the-edge system architecture are provided. In one embodiment, a system comprises an intelligent power switch configured to couple to a power supply, wherein the intelligent power switch outputs a first differential voltage output; and a plurality of intelligent remote nodes each comprising a management microcontroller (MCU) and a DC-to-DC converter. The intelligent remote nodes each receive the differential voltage output, and are communicatively coupled to a data network. The intelligent power switch comprises a processor executing an intelligent start-up control and switching function and an electrical fault detection function. The intelligent power switch outputs the differential voltage at a first voltage level while the electrical fault detection function monitors the differential voltage output. Based on results of monitoring at the first voltage level, the intelligent power switch switches the output to a second voltage level higher than the first voltage level. |
| US11251693B2 |
Electrical filter device for filtering a common-mode interference between a current source and a load
The present invention provides an electrical filter device (1) for filtering a common-mode interference between a current source and a load, comprising:—a signal input (E), which comprises at least one first terminal (E1) and can be connected to the current source; —a signal output (A), which can be connected to the load; —a main stage (H0), having a first main inductor (2a), which comprises a coil with a first core (3), the first main inductor (2a) being connected to the first terminal (E1); and—an auxiliary stage (H1), having at least one first anti-interference capacitor (C1) and one first auxiliary inductor (4), the first auxiliary inductor (4) being connected between the first terminal (E1) and the first anti-interference capacitor (C1), the first auxiliary inductor (4) being inductively coupled to the first main inductor (2a). |
| US11251691B2 |
Floating power supply for a driver circuit configured to drive a high-side switching transistor
A high-side switching transistor of a rectifier circuit is driven by a high-side driver circuit to supply current to an output node. The high-side driver circuit is powered between a capacitive bootstrap node and the output node. A boot charge circuit charges the bootstrap capacitor by supplying current to the bootstrap node. The boot charge circuit includes: a first current path that selectively supplies a first charging current to the bootstrap node when the rectifier circuit is operating in a switching mode; and a second current path that selectively supplies a second charging current to the bootstrap node when the rectifier circuit is operating in a reset mode. |
| US11251689B2 |
Magnetically reconfigurable robot joint motor
A magnetically reconfigurable robot joint motor includes a coil stator, a permanent magnet rotor and a magnetic reconfiguration unit. The magnetic reconfiguration unit is arranged around an outer periphery of the permanent magnet rotor, and a coil connected to a control circuit is wound on an outer layer of the magnetic reconfiguration unit. When it is necessary to execute low rotation speed or zero rotation speed operating conditions, the control circuit inputs current pulses of different strengths, so that the magnetic reconfiguration unit obtains permanent magnetization of corresponding degree, and generates a magnetic field which acts together with a magnetic field of the permanent magnet rotor, so as to maintain a torque required for output. |
| US11251687B2 |
Coil segment forming apparatus and manufacturing apparatus of electrical rotating machine
A coil segment forming apparatus includes a second bending section for bending a first bent body consisting of a pair of slot insertion portions that are substantially parallel to each other and a linking portion for connecting the pair of slot insertion portions formed in the same plane. The bending of the first bent body is carried out in a plane perpendicular to the aforementioned same plane. The second bending section has a plurality of pairs of press jigs arranged to oppose to each other in directions intersecting with the aforementioned same plane for pinching and pressing the linking portion, and a plurality of drive mechanisms for moving respectively the plurality of pairs of press jigs in directions intersecting with the aforementioned same plane based on moving amounts respectively set depending on forming conditions of the coil segment to be formed. |
| US11251684B2 |
Sensing magnet assembly, rotor position sensing apparatus, and motor including same
An embodiment relates to a sensing magnet assembly and a motor including the same, the sensing magnet assembly comprising: a sensing plate; a sensing magnet disposed on the plate; and an adhesive tape disposed between the sensing plate and the sensing magnet so as to fix the sensing magnet to the sensing plate, wherein the sensing plate includes a main body in which the adhesive tape is disposed, the main body includes a seating surface and a plurality of grooves or holes, and one side of the adhesive tape is disposed on the seating surface. Accordingly, the adhesive strength between the sensing magnet and the sensing plate can be improved. |
| US11251679B2 |
Brushless direct currency (BLDC) motor and manufacturing method thereof
Provided is a brushless direct currency (BLDC) motor and a manufacturing method thereof, and more particularly, a brushless direct currency (BLDC) motor including a rotor rotated to drive an impeller and capable of reducing a defective rate of the motor due to a rotational imbalance by controlling a shape of a magnet portion included in the rotor, and a manufacturing method thereof. |
| US11251677B2 |
Motor and compressor that uses same
Provided are: a motor for which high strength can be obtained in a motor casing; and a compressor that uses the motor. This motor 10 has: a rotating shaft 12 provided in a rotatable manner; a rotor 32 that rotates integrally with the rotating shaft 12; a stator 31 that rotationally drives the rotor 32; and a motor casing 14 that is a cylindrical body for accommodating the rotor 32 and the stator 31, and has, on the outer circumferential surface thereof, ribs 22 extending in a circumferential direction. |
| US11251675B2 |
Motor
A motor includes a rotor, a back cover, a housing, and a brush card assembly. The rotor includes a core fixed to a shaft, a coil that magnetizes a core, and a commutator connected to the coil. The back cover includes a back cover bottom surface portion, and a back cover cylindrical portion on an outer periphery of the back cover bottom surface portion to have a cylindrical shape. The brush card assembly includes a brush card bottom surface portion spaced apart from the back cover bottom surface portion in an axial direction through a first gap. The brush card bottom surface holds brushes and includes a nip portion nipped by the back cover and the housing, an outer peripheral wall spaced apart from the back cover cylindrical portion in a radial direction through a second gap, and contact portions contacting the back cover cylindrical portion. |
| US11251671B2 |
High-power motor controlled by parallelly connected windings
A high-power motor controlled by parallelly connected windings is provided. The motor comprises multi-phase windings. Each phase includes n winding branches and 2n power devices, wherein the n winding branches are connected in parallel with each other, and each winding branch is independently controlled by a power device. |
| US11251667B2 |
Permanent magnet modules for an electric machine having axially and circumferentially offset permanent magnet elements, a rotor, permanent magnet electric machine, and a method for assembling thereof
Each permanent magnet module for a permanent magnet rotor includes a base-plate and a permanent magnet element attached to the base-plate. The base-plate includes a bottom section and an upper section between the bottom section and the permanent magnet element. The permanent magnet modules constitute subsets so that permanent magnet modules of different subsets differ from each other by positions of the upper sections of the base-plates with respect to the bottom sections of the base-plates so that the permanent magnet elements of the permanent magnet modules of the different subsets are axially successive and circumferentially shifted when the bottom sections of these permanent magnet modules are axially successive and circumferentially aligned. Thus, the permanent magnet elements of the permanent magnet modules can be arranged into, for example, skewed rows on a surface of the rotor. |
| US11251664B2 |
Stator and electric motor
A stator includes: a first wiring section connecting a coil wire end of a leading coil to a power line; and a second wiring section connecting a coil wire end of a last coil to a neutral point located on the power line side, by wiring that extends along a fewer-turns portion of the leading coil that has a smaller number of turns of wire than the last coil. |
| US11251663B2 |
Power transfer system with patient transport apparatus and power transfer device to transfer power to the patient transport apparatus
A power transfer system comprises a patient transport apparatus and a power transfer device. The power transfer system provides convenience and ease of connection between a power source and the patient transport apparatus to provide power to one or more electrically powered devices on the patient transport apparatus or to provide energy for an energy storage device on the patient transport apparatus. |
| US11251662B2 |
Charging board with adjustable charging position and charging control method thereof
A charging board with an adjustable charging position and a charging method thereof are provided. The charging board includes a control circuit, an indicating circuit and a board body. The board body has a coil accommodating portion, and the coil accommodating portion has a transmitting coil. The transmitting coil can be adjusted in the coil accommodating portion. The control circuit detects the storage position of the transmitting coil, and controls the indicating circuit to output a corresponding indication signal according to the detection result. Thereby, the charging board can be used by a user to adjust the charging position. |
| US11251660B2 |
Systems and methods for wirelessly transmitting power and data to an implantable stimulator
A system includes an interface assembly and electronic circuitry. The interface assembly is configured to receive DC power and a self-clocking differential signal comprising a data signal encoded with a clock signal at a clock frequency. The electronic circuitry is configured to recover, from the self-clocking differential signal, the data signal and the clock signal at the clock frequency, and to generate, based on the recovered clock signal at the clock frequency, a synthesized clock signal at a carrier frequency. The electronic circuitry is also configured to use the synthesized clock signal to wirelessly transmit, to an implantable stimulator implanted within a recipient, AC power based on the DC power and forward telemetry data based on the recovered data signal. Corresponding systems, methods, and devices are also disclosed. |
| US11251654B2 |
Wireless charging for an input device
An apparatus including a removable modular insert disposed within a housing of a host device, the housing including one or more magnets, and one or more conductive contacts disposed on the removable modular insert to magnetically couple to the one or more magnets and secure the modular insert within the housing of the host device, and electrically couple the modular insert to the host device. A conductive coil can be coupled to the modular insert to electromagnetically receive power from a base device having a surface, where the host device moves and operates along the surface of the base device. The apparatus can include a communication device and a processor to control the communication device for communication between the modular insert and the host device, and control operation of the conductive coil. The communication device further controls the electromagnetic coupling between the modular insert and the base device. |
| US11251653B2 |
System and method of measuring maximum power point tracking efficiency
Disclosed is a system for tracking a maximum power point. The system includes an energy harvesting device, a power management integrated circuit including a switching circuit that adjusts an input voltage that is transmitted from the energy harvesting device and a conversion circuit that converts the input voltage adjusted by the switching circuit to output an output voltage, and a measuring device that calculates a ratio of a second power based on the input voltage to a first power based on an open circuit voltage of the energy harvesting device, using an internal impedance of the energy harvesting device and an input impedance of the power management integrated circuit. |
| US11251651B2 |
Light-emitting sign device and low-power predictive diagnosis bidirectional adaptive control system comprising same
A light-emitting sign device according to the present invention comprises: a solar cell; a battery module comprising at least one battery in which power generated by the solar cell is stored; a light-emitting module for emitting light by the power supplied from the battery; a front panel optically coupled to the light-emitting module; and a controller for applying, to the light-emitting module, a target mode determined, from among driving modes, on the basis of an average value of solar cell voltages measured for a certain period with respect to the solar cell and a voltage value of a battery voltage measured at a certain time with respect to the battery module. |
| US11251650B1 |
Electrical system for mobile power generation device and mobile power generation device
An electrical system for a mobile power generation device and a mobile power generation device are disclosed. The electrical system includes an electrical cabin and a generator switch cabinet located inside the electrical cabin and including a generator switch device, the generator switch device being configured to connect or disconnect the generator of the mobile power generation device from an external load, the generator switch cabinet further includes a first output end configured to be electrically connected to the external load through a connection conductor, the first output end includes a connection terminal or a connector, the electrical cabin includes a first bottom plate, the generator switch cabinet is arranged on the first bottom plate, and the first bottom plate includes a first hollow portion, and an orthographic projection of the generator switch cabinet on the first bottom plate is at least partially overlapped with the first hollow portion. |
| US11251648B2 |
Battery charge method and device
A method of charging a battery of electric accumulators from the electric power supplied by an electric generator, wherein the battery is charged to a first maximum state of charge in a first operating mode and to a second maximum state of charge, lower than the first maximum state of charge, in a second operating mode, the method including switching from the second operating mode to the first operating mode when a criterion using the battery temperature or the ratio of a first quantity representative of the available power which may be supplied by the electric generator to a second quantity representative of the power consumed from the battery is fulfilled. |
| US11251647B2 |
Vehicle electricity storage device
The present disclosure relates to a vehicle electricity storage device capable of maintaining proper backup of a main power supply. The vehicle electricity storage device includes an electricity storage circuit, a main charge circuit, and a precharge circuit. The electricity storage circuit configured to supply stored electricity to a load. The main charge circuit operates to supply electricity of a main power supply to the electricity storage circuit when an ignition switch is in an ON state of allowing an engine to start. The precharge circuit operates to supply electricity of the main power supply to the electricity storage circuit when the main charge circuit is in a state of stopping operation by the ignition switch being turned off. |
| US11251646B2 |
Vehicle auxiliary power supply system
A power system for a vehicle comprises a first power supply network configured to operate at a first voltage. The first power supply network comprises a first alternator, a starter motor, and a battery conductively connected to the first alternator and the starter motor. The system further comprises a second power supply network configured to operate at a second voltage. The second power supply network comprises a second alternator, a power supply receptacle configured to output power to an external accessory, and a capacitive energy storage device conductively connected to the second alternator and the power supply receptacle. A directional conduction device interconnects the first power supply network and the second power supply network. |
| US11251645B2 |
Multimode USB-C power transmission and conversion supporting improved battery charging
Systems and methods are provided for charging a battery system of an Information Handling System (IHS) using a multimode AC adapter. Information reported by the multimode adapter is used to determine its capabilities, including whether it supports USB-PD transmission and also supports high-power transmissions of a voltage greater than the USB-PD voltages. The charge state of the battery system is monitored. When the battery is in a pre-charge state, the battery is charged using USB-PD transmissions negotiated with the multimode adapter. When the battery is in a bulk-charge state, the battery is charged using a high-power transmission negotiated with the multimode adapter. When the battery is in a top-off-charge state, the battery is charged using USB-PD transmissions negotiated with the multimode adapter. In light of the charging efficiency of a battery varying based on its charge level, the multimode adapter supports efficient charging at different charge levels. |
| US11251641B2 |
Electronic device comprising a battery
An electronic device is provided. The electronic device includes a battery having a rated charging voltage, a rated charging current, and a design capacity, a charging circuit configured to supply power to the battery, and a processor electrically connected to the battery and the charging circuit. The processor is configured to control the charging circuit to charge the battery in different ways based on a plurality of ranges determined based on a full charge capacity (FCC) of the battery, and, when the FCC of the battery is included in a first range from the design capacity to a first capacity lower than the design capacity, control the charging circuit to charge the battery by setting a first voltage lower than the rated charging voltage and setting a first current lower than the rated charging current. |
| US11251638B2 |
Method and device for charging aluminum battery
A method for charging aluminum batteries includes performing a first charging procedure for the aluminum battery until the voltage of the aluminum battery reaches a set value. The first charging procedure at least includes a first constant-current charging using a first constant current to charge an aluminum battery in a first stage. The range of the first constant current is from 5 C to 100 C, and C (C-rate) refers to a unit of the capacity of the aluminum battery. When the voltage of the aluminum battery reaches the set value, a first constant-voltage charging uses a first constant voltage to charge the aluminum battery. According to the charging current provided by the first constant voltage to the aluminum battery or the charge time for the aluminum battery charged by the first constant voltage, a determination is made to stop the charging process on the aluminum battery. |
| US11251635B2 |
Vital signs monitor with a removable and dischargable battery
A vital signs monitor includes an equipment housing defining an equipment compartment, a circuit assembly and a battery residing inside the equipment compartment, an electrical connector forming a connection between the battery assembly and the circuit assembly, and a battery discharge circuit. A retainer joined to the equipment housing retains the battery assembly in the housing. The retainer is separable from the housing so that its separation causes a break in the electrical connection and activates the discharge circuit. |
| US11251633B2 |
Charging connector and charging apparatus
Charging connector and charging apparatus are provided. The charging connector includes a partition plate including at least one charging interface provided on each side surface of two opposite side surfaces of the partition plate. The at least one charging interface is electrically coupled to a charging interface of a battery to charge the battery. Two lateral plates are respectively pivotally connected to the two opposite side surfaces of the partition plate and respectively rotatable with respect to the partition plate. Outer edges of the two lateral plates, which are away from a pivot joint portion, are configured to move away from or close to the partition plate to expose or cover the two opposite side surfaces of the partition plate to enable the charging connector to be in an open state or a folded state correspondingly. |
| US11251631B2 |
Power supply for electronic devices for remote locations
A power supply for providing power and charging electronic devices in remote locations comprising: a case having a device pocket and a power unit pocket; a power unit including a USB port, indicators, power switch, induction coil, battery, solar panel, and power unit controller. A top flap for at least partially covering the device pocket and the power unit pocket; and so that when an electronic device is placed in the device pocket, its internal battery is charged. |
| US11251630B2 |
Battery management system with wireless communication unit
The battery management system comprises: a battery management unit, configured to receive status information of a battery module and status information of a battery pack, and transmit a control instruction to cell measurement circuits; the cell measurement circuits, configured to collect the status information of the battery module, transmit the status information of the battery module to the battery management unit, receive and execute the control instruction transmitted from the battery management unit; sensing units, configured to collect the status information of the battery pack, and transmit the status information of the battery pack to the battery management unit; wherein a wireless communication unit is disposed in the battery management unit, and a wireless communication unit is disposed in at least a portion of the cell measurement circuits and/or at least a portion of the sensing units. |
| US11251629B2 |
Energy storage apparatus and control method of energy storage devices
An energy storage apparatus includes a plurality of energy storage devices connected in series, a voltage detection circuit that detects voltages of the plurality of energy storage devices, and a discharge circuit that discharges the energy storage devices individually, and a BMU having a control unit, in which the control unit discharges only an energy storage device having a highest voltage among the plurality of energy storage devices. Further, charging is stopped when a first duration elapses in a state that a cell voltage of the energy storage device having the highest voltage exceeds a first voltage threshold, or charging is stopped when a second duration elapses in a state that the cell voltage of the energy storage device having the highest voltage exceeds a second voltage threshold. |
| US11251627B2 |
Charge and discharge control device for preventing battery deterioration, battery pack, vehicle, and charge and discharge control method
According to one embodiment, information related to a positive-electrode electric potential and a negative-electrode electric potential of each of one or more batteries is acquired, and whether deviation of the positive/negative-electrode electric potentials from a reference state is beyond a prescribed range is determined for each of one or more batteries. Further, in response to at least existence of a battery-to-be-restored that is a battery in which the determined deviation of positive/negative-electrode electric potentials from a reference state is beyond a prescribed range, a state of charge of the battery-to-be-restored is held in a restoration holding range for a prescribed time. |
| US11251626B2 |
System for lead-acid battery replacement
A lithium battery designed to replace lead-acid battery. The lithium battery comprises a plurality of battery cells connected in series and a battery management unit. The battery management unit comprises a controller, a sensing unit connected to the plurality of battery cells and the controller, a charging control unit connected the controller, and a discharging control unit connected to the controller. The battery management unit prevents the batteries connected in parallel from mutual charging each other and also prevents the batteries being depleted completely by outputting a low voltage in pulse mode when the battery has low charge. |
| US11251623B2 |
Portable power supply
The present disclosure is directed to a portable power supply system for providing power to corded power tools. The portable power supply is configured to charge a plurality of battery packs in parallel from an external power supply. The portable power supply is also configured to discharge the plurality of battery packs in series to an output connectable to a corded power tool. |
| US11251622B1 |
Converter employing differing switch types in parallel
Aspects of the present disclosure involve an inverter employing switches of different types in parallel. In one example, an apparatus includes a voltage-source converter that may have a plurality of switch positions collectively coupled to convert an input to an output. At least one switch position may include a first switch of a first switch type and a second switch of a second switch type different from the first switch type. Also, the first and second switches may be coupled in parallel. The converter may also include a switch control circuit to generate, for each of the at least one of the switch positions, a first control signal to operate the first switch of the switch position, and a second control signal to operate the second switch of the switch position. |
| US11251620B2 |
Micro-grid site predictive control for multipower resource management with machine learning
A device may receive a power demand for a load and a weather forecast for a time period. The device may determine a first supply of power available from a photo-voltaic (PV) installation for the time period based on the weather forecast. The device may determine a power deficit for the time period based on the power demand and the first supply of power. The device may determine a first cost associated with utilizing a second supply of power available from a battery and a second cost associated with utilizing a third supply of power available from an engine for the time period. The device may determine a power source to overcome the power deficit based on the first cost and the second cost and may cause the PV installation and the power source to supply power to satisfy the power demand for the load. |
| US11251619B2 |
Control of multiple energy storages in a microgrid
A method performed by a network controller of an electrical microgrid having a plurality of energy storages. Each of the energy storages is associated with a respective storage controller. The method includes receiving information about a measurement made at a remote location in the microgrid. The method also includes obtaining respective participation factors in respect of the remote location for each of at least a first energy storage and a second energy storage of the plurality of energy storages. The method also includes obtaining respective states of charge for each of the at least first and second energy storages. The method also includes, for each of the at least first and second energy storages, calculating a reference value for the energy storage, and sending the reference value to the storage controller with which the energy storage is associated. The calculating includes calculating the reference value based on the obtained participation factors and the obtained states of charge. |
| US11251617B2 |
Energy conservation using active demand stabilization
Some embodiments include electric power demand stabilization methods and systems that may include receiving an indication that a specific controllable device will have a high power draw event; retrieving a power draw profile for the specific controllable device that includes at least a maximum power draw and an event duration; identifying a plurality of low priority controllable devices with a combined power draw that is substantially equal to the maximum power draw of the specific controllable device; and turning off the plurality of low priority controllable devices for a time period substantially equal to the event duration. |
| US11251616B2 |
Method and system for managing power grid stability utilising local dynamic load control
Provided are a method and system for managing power grid stability utilising local dynamic load control, the method being performed by a virtual load manager (VLM) comprising one or more processors configured to: configure a plurality of electrical devices connected to a mains supply grid to individually react to grid fluctuations such that the plurality of electrical devices act as one or more virtual load groups each comprising one or more electrical devices with the same response to the grid fluctuations; and manage the individual electrical devices and operating characteristics of the electrical devices in the one or more virtual load groups on behalf of a central grid controller (CGC) of the mains supply grid, wherein each of the electrical devices comprises a local controller configured to provide dynamic control of their respective load in response to fluctuations of the mains supply grid based on the configuration provided by the virtual load manager (VLM). |
| US11251611B2 |
Power management circuitry in peripheral accessories of audio devices
A power management circuitry for a peripheral electronic device includes a power regeneration circuitry, a power selector, a power switch and an audio signal detection circuitry. The power regeneration circuitry receives a continuous periodic sound wave from an audio device and converts the continuous periodic sound wave into an amplified DC electrical signal. The power source selector receives the amplified DC electrical signal and input from a primary power source and provides a power signal output. The audio signal detection circuitry receives the amplified DC electrical signal and transmits a wake-up signal to the power switch circuitry. The power switch circuitry is turned on by the wake-up signal and connects the power source selector to the peripheral electronic device main circuitry and transfers the power signal output to the peripheral electronic device main circuitry. |
| US11251606B2 |
Single phase fault isolation and restoration for power distribution network
A method for controlling a power distribution network includes receiving, by an electronic processor, a fault indication associated with a fault in the power distribution network from a first isolation device of a plurality of isolation devices. The processor identifies a first subset of a plurality of phases associated with the fault indication and a second subset of the plurality of phases not associated with the fault indication. The first and second subsets each include at least one member. The processor identifies an upstream isolation device upstream of the fault. The processor identifies a downstream isolation device downstream of the fault. The processor sends an open command to the downstream isolation device for each phase in the first subset. Responsive to the first isolation device not being the upstream isolation device, the processor sends a close command to the first isolation device for each phase in the first subset. |
| US11251602B2 |
Method for locating an electrical arc fault and electrical installation protection device implementing such a method
A method for locating an electrical arc fault upstream or downstream of an electrical protection device connected in series in an electrical circuit between an electrical energy source and an electrical load, the source supplying a supply current to the electrical load. The method includes the measurement of several electrical quantities linked to the supply current, the detection of a simultaneous variation of at least two electrical quantities linked to the supply current, the confirmation of the presence of the arc fault, and the determination of the position of the arc fault upstream or downstream of the protection device. Also, a protection device can implement such a method. |
| US11251599B2 |
DC circuit breaker
A DC circuit breaker capable of blocking a fault current flowing through a DC line when a fault occurs in the DC line is proposed. The DC circuit breaker includes a main switch connected to a first DC line at one end and connected to a second line at the other end; a first circuit unit connected in parallel to the main switch; and n second circuit units each connected in parallel to the main switch, wherein the first circuit unit is composed of a series connection of an inductor, a first capacitor and a first switch, the inductor or the first capacitor being connected to the first DC line and the first switch being connected to the second DC line. |
| US11251591B2 |
Insulation film peeling method
An insulation film peeling method which radiates laser light onto a front end portion of an insulation film-coated conducting wire including a conducting wire and an insulation film in a longitudinal direction, and which peels a part of the insulation film up to a peeling boundary of a predetermined regulated peeling length, includes performing a rectilinear scan of a first region, in which a radiation position of the laser light moves from one side toward the other side and then moves from the other side toward the one side upon reaching the other side, and performing a unidirectional scan of a second region, in which the radiation of the laser light is performed from one side toward the other side and then the radiation position returns to the one side in a state in which the radiation of the laser light stops upon reaching the other side. |
| US11251589B2 |
Gas-insulated switching device
A gas-insulated switching device includes: a vacuum valve having a movable contact provided on one side of a movable conductor and a fixed contact provided to a fixed conductor; an insulation rod connected to another side of the movable conductor led out from the vacuum valve through a bellows; an operation rod connecting the insulation rod and an operation device; an airtight container in which the insulation rod, the other side of the movable conductor, and the operation rod are accommodated; and an intermediate pressure chamber formed by communication between internal spaces of the bellows and the airtight container. A sliding contact member is provided to the other side of the movable conductor. The sliding contact member is connected, via the airtight container, to a main circuit conductor. A communication portion provided between the airtight container and the sliding contact member allows communication inside the airtight container. |
| US11251588B1 |
Dual spark plug
A dual spark plug may include: a cap plug formed of an insulation material; an upper body formed of an insulation material and coupled with the cap plug; a lower body integrally formed with the upper body and provided at an outer side of the upper body; a pair of plug center electrodes provided inside the cap plug; a pair of upper center electrodes provided inside the upper body and electrically connected with the pair of plug center electrodes; insulation caps provided to wrap the pair of plug center electrodes, respectively; and a pair of ground electrodes extended from opposite sides of the lower body and disposed at a predetermined distance from the pair of upper center electrodes, respectively. |
| US11251585B2 |
DFB with weak optical feedback
A distributed feedback plus reflection (DFB+R) laser includes an active section, a passive section, a low reflection (LR) mirror, and an etalon. The active section includes a distributed feedback (DFB) grating and is configured to operate in a lasing mode. The passive section is coupled end to end with the active section. The LR mirror is formed on or in the passive section. The etalon includes a portion of the DFB grating, the passive section, and the LR mirror. The lasing mode of the active section is aligned to a long wavelength edge of a reflection peak of the etalon. |
| US11251578B2 |
Output coupling from unstable laser resonators
A laser resonator comprising a specially designed front mirror 32. The front mirror 32 together with a rear mirror form a resonator cavity. As well as having a resonator cavity reflective surface 42, the front mirror 32 also has an output coupling reflective surface 44 which forms a continuation of the resonator cavity reflective surface 42 and extends at an angle thereto so as to direct a beam laterally out of the cavity. The output coupling reflective surface 44 and the resonator cavity reflective surface 44 are joined by a “soft” rounded edge 40 of arcuate cross-section, this rounded transition suppressing diffraction ripples that would otherwise be generated if the edge were “hard”, i.e. sharp. |
| US11251576B2 |
Circuit card with coherent interconnect
Apparatuses and systems associated with expansion card design with a coherent connector to provide for coherent communication are disclosed herein. In embodiments, a circuit card may comprise an integrated circuit (IC), a first connector to couple the IC to a processor of a computer device, the first connector to provide for non-coherent communication between the IC and the processor, and a second connector to couple the IC to the processor, the second connector to provide for coherent communication between the IC and the processor. Other embodiments may be described and/or claimed. |
| US11251575B2 |
Connector alignment and retention panel for modular based system
An electronics housing assembly includes a first housing portion and a second housing portion removably connected to the first housing portion to define an interior space that contains electronics components. A first group of the electronics components is connected to the first housing portion and a second group of the electronics components is connected to the second housing portion. A connector alignment and retention panel is connected to the first housing portion. The connector alignment and retention panel includes a connector support platform with a first connector mounting location. A first electrical connector that is part of the first group of the electronics components is operatively engaged with the first connector mounting location of the panel such that the first electrical connector is mounted on the panel and located in a select position relative to the first housing portion. A first corresponding electrical connector that is part of the second group of said electronics components is operatively secured to the second housing portion and is operatively engaged with the first electrical connector mounted on the panel. |
| US11251573B2 |
Protective shell assembly and connector assembly with the protective shell assembly
A protective shell assembly is used for accommodating a connector. The protective shell assembly includes a cage and at least one light pipe. The cage has a plurality of wall surfaces, and the wall surfaces are connected to at least one another to define an accommodating space. The at least one light pipe passes through one of the wall surfaces so that a part of the light pipe is located in the accommodating space and the other part is located outside the accommodating space. A connector assembly with the protective shell assembly is also provided. |
| US11251571B2 |
Image forming apparatus having a control board attached to a support member
An image forming apparatus includes an image forming unit configured to form an image on a recording material; a fixing unit configured to heat the image in order to fix the image to the recording material; a control board; a support member, wherein the control board is attached to the support member; and a mounting portion, wherein the support member is attached to the mounting portion. The support member includes a side wall. A height of the side wall is smaller than twice a distance between the side wall and the connector on the control board under a state in which the control board is attached to the support member, and is larger than a height from a bottom surface of the support member to an upper surface of the control board. |
| US11251568B2 |
Storage battery unit and connector that can be connected to each other
A first connector for electrically connecting a first unit power terminal through a third unit power terminal to a power converter for performing conversion between a DC power and an AC power is mounted to a mounting port. In a status in which the first connector is being removed from the mounting port, it is impossible to mount the first connector to the mounting port while the first unit power terminal through the third unit power terminal are inputting and outputting a DC power, and it is possible to mount the first connector to the mounting port while the first unit power terminal through the third unit power terminal are not inputting and outputting a DC power. |
| US11251565B2 |
Lever-type connector
A lever-type connector includes a first housing, a second housing, and a lever for moving the second housing. The lever is formed with cam grooves and the second housing includes cam followers movable along the cam grooves. The lever is rotatable about axes of rotation movable within a predetermined range with respect to the first housing. The cam groove includes a first groove portion configured to guide the cam follower, a second groove portion disposed along the first groove portion on the side of the axes of rotation with respect to the first groove portion and configured to guide the cam follower, and a coupling groove extending in a direction intersecting the first and second groove portions to couple the first and second groove portions and configured to guide the cam follower. The coupling groove extends in a direction along a moving direction of the axes of rotation. |
| US11251563B1 |
Electrical connector for oilfield operations
An electrical connector is provided that includes a plurality of electric cables. A first adapter is configured to receive the electrical cables. The first adapter protects the electrical cables and allows for an electrical connection between the electrical cables and a plurality of electrical pins. A second adapter is coupled to the first adapter. The second adapter allows for an electrical connection between the electrical pins and a plurality of electrical terminals. A cable kit is provided that is at least partially housed within the second adapter. The cable kit has a plurality of projections extending therefrom. An insulator body is coupled to the second adapter. The insulator body includes a plurality of openings. Each of the openings has a tapered end portion configured to receive a corresponding one of the plurality of projections of the cable kit to form a mechanical seal with the cable kit. |
| US11251562B2 |
Electrical power unit for a work surface
An electrical power or electronic data unit includes an outer housing and an inner housing that is insertable into the outer housing. The outer housing has an outer front face panel defining an outer receptacle opening and the inner housing has an inner rear housing portion plus an inner front face portion defining an inner receptacle opening aligned with the outer receptacle opening. A circuit board substrate is positioned inside the inner housing with an electrical contact mounted to the board substrate and aligned with and accessible through the inner and outer receptacle openings. A contact support extends rearwardly from the inner front face portion adjacent the inner receptacle opening, the contact support serving to limit movement of the electrical contact during insertion of a plug or prong into engagement with the electrical contact. |
| US11251559B2 |
Connector for photovoltaic cell
A connector for a photovoltaic cell includes a conductive portion and an insulating portion, wherein the conductive portion is wrapped with the insulating portion; the conductive portion includes a conductor and a cable line, and a retaining ring is arranged on the outer circumferential surface of the conductor; the insulating portion includes a shell body, a basket-shaped fastener and a front sleeve; a first inner step surface and a second inner step surface are arranged in an inner cavity of the shell body; the front sleeve has an annular head part which sleeves the conductor; a first outer step surface is arranged at a tail part of the front sleeve, and props against the first inner step surface; the inner diameter of the head part of the front sleeve is larger than the outer diameter of the conductor and less than the outer diameter of the retaining ring. |
| US11251554B1 |
PCIe/SAS female connector
A PCIe/SAS female connector includes a frame body, a terminal assembly, and a cover member; the frame body including a groove disposed on an end thereof; the terminal assembly including a Serial Advanced Technology Attachment (SATA) 7 pin signal and grounding terminal inserted in the frame body and having a head portion and a foot. When the SATA 7 pin signal and grounding terminal is inserted in the frame body, the head portion is in the groove. The cover member includes an elastic plate and a foot; the elastic plate disposed on the head portion of the cover member. When the PCIe/SAS female connector is engaged with a male connector, the head portion of the SATA 7 pin signal and grounding terminal contacts the elastic plate of the cover member. The foot of the SATA 7 pin signal and grounding terminal and the foot of the cover member are welded in an identical Printed Circuit Board (PCB) pad. |
| US11251549B2 |
Connector
A connector includes a flat-plate housing made of insulating resin and a contact held on a housing by press-fitting. The housing includes a press-fitting space and a solder connection checking hole. The contact includes a press-fit part to be press-fit into the press-fitting space, and a soldering part that extends from the press-fit part and is connected by soldering to a pad of an input-output board. The solder connection checking hole is formed to penetrate the housing in the vertical direction and allow a solder fillet, which is formed when the soldering part is soldered to the pad of the input-output board, to be checked through the solder connection checking hole. The housing includes a separating wall that separates the press-fitting space from the solder connection checking hole. |
| US11251547B2 |
Grounding cross connectors including clamping pads for coupling at least two conductors
Various implementations of grounding cross connectors are disclosed. The grounding cross connectors may be used to clamp together two or more, often perpendicular, conductors. In some implementations, a grounding cross connector includes an upper clamping pad and a lower clamping pad held together by a pair of threaded fasteners. A pair of perpendicular conductors may be placed in between the clamping pads and secured together by torqueing nuts on the threaded fasteners. The upper clamping pad may include a hook through which one of the threaded fasteners may pass, thereby allowing the upper clamping to rotate relative to the lower clamping pad. |
| US11251534B2 |
Antenna and terminal
An antenna radiates signals in Band41 whose center frequency is λ1 and Band42 whose center frequency is λ2. A medium substrate is used as a carrier of a top radiating element, a phase inversion unit, and a bottom radiating element; an end of the top radiating element is connected to an end of the phase inversion unit; the other end of the phase inversion unit is connected to an end of the bottom radiating element, a length of the phase inversion unit is 3λ2/2, and the length of the phase inversion unit is greater than λ1/2; and the phase inversion unit includes at least two current phase inversion points, a part between the at least two current phase inversion points does not produce radiation, and the top radiating element and the bottom radiating element horizontally radiate the signal in the Band41 and the signal in the Band42 omnidirectionally. |
| US11251532B2 |
Small dipole antenna
The present invention relates to a small dipole antenna, and more specifically, to a small dipole antenna comprising a balun, a meander line, and a cap covering the meander line as a whole, wherein both sides of the dipole antenna are provided with the meander line to minimize the overall size of the dipole antenna. The small dipole antenna according to one embodiment of the present invention obtains resonance frequency adjustment characteristics by filling a gap between the arrangement of the meander line disposed on the both sides of the dipole antenna on the basis of the balun and the meander line, and adds a short circuit between the meander line to achieve impedance matching and minimize the overall size of the dipole antenna structure at the same time, thereby having the effect of ensuring tractability of antenna operation regardless of external conditions when measuring electromagnetic wave performance. |
| US11251529B2 |
Low profile antenna module
An antenna module is described where uniform radiation pattern coverage is provided in the plane of a low profile antenna radiating element. A polarization that is orthogonal to the plane of the low profile antenna radiating element can be achieved for the radiated field. A ground plate aperture is implemented into the antenna ground plate to minimize frequency shift as the antenna is installed on metallic (conductive) and non-metallic (non-conductive) ground planes of varying sizes. This antenna system technique is applicable for use in communication systems such as a local Area network (LAN), cellular communication network, and Machine to Machine (M2M). |
| US11251526B2 |
Antenna device, antenna module, and circuit board for use therein
An antenna device is enclosed in a housing. The antenna device includes a dielectric substrate in which a plurality of layers including a ground layer is stacked on top of one another, a feed element, a parasitic element, a feed line, and a conductive member placed in or on the dielectric substrate. The feed element is placed within or on a surface of the housing, and the parasitic element is placed in the dielectric substrate. The feed line is placed, in the dielectric substrate, in a layer between a layer in which the parasitic element is placed and the ground layer and sends a radio frequency signal. When the dielectric substrate is attached to the housing, the conductive member electrically connects the feed line and the feed element and supplies a radio frequency signal to the feed element. |
| US11251521B2 |
Antenna structure
An antenna structure includes a substrate, a feeding radiation element, a first grounding radiation element, a second grounding radiation element, and a first circuit element. The substrate has a first surface and a second surface which are opposite to each other. The feeding radiation element includes a body portion, a bridging portion, and an extension portion. The body portion has a feeding point. The bridging portion is coupled between the body portion and the extension portion. The first grounding radiation element is coupled to a ground voltage. The first circuit element is coupled between the first grounding radiation element and the second grounding radiation element. The bridging portion of the feeding radiation element is disposed on the first surface of the substrate. The first circuit element is disposed on the second surface of the substrate. |
| US11251518B2 |
Chip antenna
A chip antenna comprises a first substrate, a second substrate overlapping the first substrate, a first patch, provided on a first surface of the first substrate a second patch, provided on the second substrate, at least one feed via penetrating through the first substrate in a thickness direction and configured to provide a feed signal to the first patch, and a bonding pad provided on a second surface of the first substrate. The first substrate comprises a dielectric substance and a magnetic substance. |
| US11251511B2 |
Signal transmission line including a flexible resin laminate having interior hollow portions overlapping the signal transmission line
A signal transmission line includes a laminate, a signal conductor, a hollow portion, and a reinforcing conductor. The laminate includes a flexible laminate including resin layers each of which has flexibility. The signal conductor extends in a signal transmission direction of the laminate and is disposed in an intermediate position in a laminating direction of the resin layers. The hollow portion is in the laminate and defined by an opening provided at a portion of the plurality of resin layers. The reinforcing conductor is in the laminate. The hollow portion is disposed at a position overlapping with the signal conductor, in a plan view of the laminate from a surface perpendicular or substantially perpendicular to the laminating direction. The reinforcing conductor is disposed at a position different from the position of the hollow portion in a plan view. |
| US11251498B2 |
Secondary battery module
Disclosed is a secondary battery module. The secondary battery module includes: a plurality of secondary battery cells; a case configured to accommodate the plurality of secondary battery cells and having at least one insert opening; and a label coupled to the case and inserted into the at least one insert opening of the case. |
| US11251495B2 |
Power storage device
A power storage unit includes an end surface located at one end of the power storage unit in a direction, an end surface located at the other end of the power storage unit in the direction, a side surface connecting the end surface and the end surface, and a side surface located opposite to the side surface. A terminal and a terminal are provided on a side surface side and are connected to an apparatus arranged on the side surface side, and the wire extends in a direction from the side surface toward the side surface and is connected to an apparatus provided on a side surface side. |
| US11251493B2 |
Battery pack
A battery pack, includes a box assembly including a box body and a plurality of fixed beams, a plurality of battery modules, and a plurality of constraint components, each of which includes a limiting portion, a first mounting portion and a second mounting portion. The first mounting portion is provided with a plurality of first mounting holes along a length direction of the fixed beams. The second mounting portion is provided with a plurality of second mounting holes along the length direction. A plurality of first fasteners respectively pass through the first mounting holes and are fixed to one fixed beam. A plurality of second fasteners respectively pass through the second mounting holes and are fixed to the other fixed beam. The first mounting hole and the second mounting hole have different adjustment amounts in the arrangement direction. |
| US11251491B2 |
Method to prevent or minimize thermal runaway events in lithium ion batteries
A method to prevent or minimize an occurrence of a thermal runaway event in a battery module of an electric vehicle. The method places a gas barrier between a venting space and a wall of each battery cell so that escaped gas from one battery cell does not impinge onto another battery cell. |
| US11251490B2 |
Battery module and vehicle equipped with same
A pair of end plates disposed respectively at end faces of a battery stack are connected by bind bars and apply pressure to the battery stack to immobilize the battery stack. Each of the end plates includes a locking hole extending along a surface of the end plate. The end plate is fixed to a base plate by a fixing bolt inserted through the locking hole. The locking hole includes a deformation space that allows deformation of the fixing bolt when cell reaction force of the battery stack is caused. |
| US11251483B2 |
Method of preparing an electrochemical cell
A thin flexible conformable electrochemical cell for powering a wearable electrical device comprising an inner electrode having an active electrode face of one charge and an outer electrode having an active electrode face of the opposite charge separated by a separator, wherein said separator comprises an electrolyte layer as a single continuous layer folded around the inner electrode, and wherein the cell has a single continuous flexible coating material folded around the separator and the inner electrode so as to offer protection for the cell, and wherein the coating material is sealable so as define access to the cell for electrode contacts for connection with the electrical device, and so as to offer avoidance of the cell short circuiting in use. Also provided are methods for cell preparation. |
| US11251481B2 |
Packaging material for battery
A packaging material for batteries including a laminate in which at least a base material layer, a metal layer, and a sealant layer are laminated in order. The battery packaging material satisfies the relationships of: (A1−A2)≥60 N/15 mm; and (B1−B2)≥50 N/15 mm. A1 is a stress in elongation by 10% in the MD direction and B1 is a stress in elongation by 10% in the TD direction in the laminate, and A2 is a stress in elongation by 10% in the MD direction and B2 is a stress in elongation by 10% in the TD direction in the base material layer. |
| US11251479B2 |
Pouch case and secondary battery using the same
Provided are a pouch case and a secondary battery using the same. The pouch case includes a first receiving part and a second receiving part which are concavely formed; a sealing part formed along an outer portion of the pouch case so as to surround the first receiving part and the second receiving part; and a partitioning part formed between the first receiving part and the second receiving part and protruding from a bottom surface of each receiving part to partition the first receiving part and the second receiving part. As one side surface of the secondary battery in which an electrode assembly is received and packaged in the pouch case is formed in a plane form, a flat side surface is in close contact with a cooling plate, thereby maximizing cooling efficiency of the secondary battery. |
| US11251475B2 |
Corrosion mitigation in metal-air batteries
Corrosion mitigation in a metal-air battery includes displacing an electrolyte within a gap of the metal-air battery with a liquid. The liquid may be substantially nonreactive with the electrolyte, and the anode of the metal-air battery is less reactive with the liquid than with the electrolyte. Upon displacement of the electrolyte from the gap, the liquid may remain in the gap of the metal-air battery to reduce the likelihood of corrosion of the anode and, therefore, reduce the power drain of the battery resulting from such corrosion. To return the metal-air battery to an activated state for generating power, the electrolyte may be moved back into the gap to displace the liquid. A fluid circuit may be in fluid communication with the gap and may displace one of the liquid and the electrolyte in the gap with the other one of the liquid and the electrolyte from the fluid circuit. |
| US11251469B2 |
Lamination apparatus for secondary battery
A lamination apparatus for a secondary battery comprises a roller part comprising a separator supply roller that supplies a separator sheet and an electrode supply roller that supplies an electrode sheet, a cutting part that cuts the electrode sheet supplied by the electrode supply roller to manufacture a plurality of electrode plates, a first transfer part that transfers the electrode plates cut by the cutting part at a same interval, an inspection part that inspects whether the electrode plates transferred by the first transfer part are defective, a second transfer part that transfers a normal electrode plate, which is determined as the normal electrode plate by the inspection part, among the electrode plates, and a lamination part that thermally bonds the normal electrode plate transferred by the second transfer part to the separator sheet supplied by the separator supply roller. |
| US11251466B2 |
Lithium secondary battery including electrolyte containing trialkoxyalkylsilane compound
A lithium secondary battery includes: a positive electrode; an negative electrode; and an electrolyte between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, the electrolyte includes a lithium salt, a non-aqueous solvent, and a trialkoxyalkylsilane compound represented by Formula 2, and an amount of the trialkoxyalkylsilane compound in the electrolyte is about 0.1 weight percent to about 5 weight percent based on a total weight of the electrolyte: wherein, in Formula 1 and Formula 2, x, y, z, M, A, R1 to R3, and Ar are as defined as the specification. |
| US11251464B2 |
All solid state battery and method for producing all solid state battery
A main object of the present disclosure is to provide an all solid state battery of which volume change due to charge and discharge is reduced. The present disclosure achieves the object by providing an all solid state battery comprising a cathode layer, an anode layer, and a solid electrolyte layer formed between the cathode layer and the anode layer; wherein the anode layer contains a Si-based active material of which average particle size is less than 2.6 μm, and a first solid electrolyte. |
| US11251457B2 |
Immiscible liquid separated battery system
A redox flow battery is described that does not include an ion exchange resin such as a proton exchange membrane but rather uses a generally stationary separator liquid that separates the anolyte from the catholyte at immiscible liquid-liquid interfaces. Solvents and electrochemically active components of the anolyte and catholyte would not cross the liquid-liquid interfaces between the separator liquid and the anolyte and catholyte, but certain ions in each of the anolyte and catholyte would cross the interface during charging and discharging of the redox flow battery. The separator liquid comprises a relatively small total volume of liquid in such a flow battery arrangement as compared to the anolyte and catholyte. Suitable chemical options are described along with system options for utilizing immiscible phases. |
| US11251453B2 |
Membrane electrode assembly manufacturing process
Methods and compositions for making fuel cell components are described. In one embodiment, the method comprises providing a substrate, and forming or adhering an electrode on the substrate, wherein the forming includes depositing an aqueous mixture comprising water, a water-insoluble component, a catalyst, and an ionomer. The water-insoluble component comprises a water-insoluble alcohol, a water-insoluble carboxylic acid, or a combination thereof. The use of such water-insoluble components results in a stable liquid medium with reduced reticulation upon drying, reduced dissolution of the substrate, and reduced penetration of the pores of the substrate. |
| US11251449B2 |
Redox flow battery system
A redox flow battery system including a cell and a monitor cell to which a same electrolyte solution is supplied; a current measuring unit that measures a current that is input to and output from the cell; a voltage measuring unit that measures an open circuit voltage of the monitor cell; and a computing unit. The computing unit includes a first processing unit, a second processing unit, and a third processing unit. The first processing unit computes an integral value obtained by integrating a current value measured by the current measuring unit, for an amount of time corresponding to a predetermined time constant. The second processing unit computes a corrected voltage value based on a measured voltage value measured by the voltage measuring unit and the integral value. And the third processing unit calculates a first state-of-charge value of the electrolyte solution from the corrected voltage value. |
| US11251448B2 |
Method for determining the sealing tightness of a fuel cell stack
A method for determining a sealing tightness of a fuel cell stack includes providing of fuel into a cathode space, sealed off gas-tight against further components of a cathode subsystem, formed at least partly by the fuel cell stack, and detecting of a value which is indicative of a pressure change in the cathode space, where a cathode test pressure in the cathode space is higher than a pressure outside the fuel cell stack. |
| US11251446B2 |
Fuel cell system
A fuel cell system has a cell (1) that is capable of generating electric power. The cell (1) has a fuel electrode (1a), an air electrode (1b) and an electrolyte (1c). The fuel electrode (1a) is supplied with hydrogen obtained by reforming fuel gas. The air electrode (1b) is supplied with oxygen in the air. The electrolyte (1c) is interposed between the fuel electrode (1a) and the air electrode (1b) to enable oxygen ions to pass through to the fuel electrode (1a). A water vapor retaining mechanism (6) is disposed in a flow path of the fuel gas supplied to the fuel electrode (1a). The mechanism (6) retains water vapor generated in the fuel electrode (1a) during electric power generation by the cell (1). The mechanism (6) enables the water vapor to be mixed with the fuel gas. |
| US11251442B2 |
Fuel cell system
A fuel cell system includes a gas liquid separator provided downstream of a humidifier in an oxygen-containing gas inlet channel, a fuel exhaust gas inlet channel for guiding a fuel exhaust gas containing liquid water discharged from a fuel cell stack to the gas liquid separator. The gas liquid separator performs gas liquid separation of both of an oxygen-containing gas humidified by the humidifier and the fuel exhaust gas containing the liquid water guided from the fuel exhaust gas inlet channel. |
| US11251436B2 |
Secondary battery, battery pack, vehicle, and stationary power supply
According to one embodiment, there is provided a secondary battery including a positive electrode, a negative electrode, and an aqueous electrolyte. The positive electrode includes a positive electrode active material. The negative electrode includes a negative electrode active material and an additive resin containing a hydroxyl group unit and a first unit. The first unit consists of at least one of a butyral unit and an acetal unit. A content ratio of a content of the first unit contained in the additive resin to a content of the hydroxyl group unit contained in the additive resin is in a range of 1.2 to 18. |
| US11251435B2 |
Undercoat foil for energy storage device electrode
This undercoat foil for an energy storage device electrode comprises a collector base plate, and an undercoat layer formed on at least one surface of the collector base plate, the undercoat layer containing carbon nanotubes, and the coating amount per collector base plate surface being 0.1 g/m2 or less. Since this undercoat foil can be effectively welded by ultrasound, the use thereof allows a low-resistance energy storage device and a simple and effective production method therefor to be provided. |
| US11251434B2 |
Organic expander for lead storage battery
An organic expander for a lead storage battery, the organic expander containing lignin in which the methoxy group content relative to the solid content is 3 to 20 mass %, wherein the organic expander contains an organic acid in an amount of 0.0001 to 5 mass % relative to the solid content of the organic expander. It is possible to improve charge acceptance while maintaining the discharge characteristics of the lead storage battery. |
| US11251425B2 |
Lithium secondary battery
Provided is a lithium secondary battery including a cathode containing a cathode active material in which a central part has a different concentration from a surface part, and a conductive material having a specific composition ratio, and specifically, a lithium secondary battery including a cathode containing a cathode active material in which a central part of one or more kinds of metals configuring the cathode active material has a different concentration from a surface part thereof, and two or more kinds of conductive materials mixed at a specific ratio, thereby having excellent stability and high low-temperature characteristic and high output characteristic as compared to a conventional lithium secondary battery. |
| US11251424B2 |
Lithium ion secondary battery
A purpose of one embodiment of the present invention is to provide a lithium ion secondary battery which has improved cycle characteristics and comprises a Si material in the negative electrode. The lithium ion secondary battery according to the present invention comprises a negative electrode comprising a negative electrode active material, a positive electrode comprising a positive electrode active material and an electrolyte solution, wherein the negative electrode active material comprises a Si material, and a ratio (Ia/Ib) of a peak intensity (Ia) at 290 eV to a peak intensity (Ib) at 285 eV is 0.7 or more in a C1s spectrum obtained by surface analysis of the negative electrode by X-ray photoelectron spectroscopy. |
| US11251420B2 |
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. When the electrochemically active structures are used in secondary batteries, the presence of voids can accommodate dimensional changes of the active material. |
| US11251419B2 |
Lithium ion battery having improved thermal stability
Aspects of the invention are based on the discovery that cathode materials and lithium ion batteries comprising the cathode material, having improved thermal stability may be produced from a cathode material that is comprised of a mixture of a lithium metal oxide and a lithium metal phosphate wherein the lithium metal phosphate comprises a volume fraction of secondary particles having a size of 0.1 to 3 μm that is from 5 to 100%, based on the total content of lithium metal phosphate. More specifically cathodes comprising lithium metal phosphates having the recited secondary particle ranges help provide cathode materials that are capable of passing the nail penetration test without generating smoke or flames. Methods of forming the cathode and lithium ion battery comprising the cathode are also provided. |
| US11251418B2 |
Method for manufacturing slurry for positive electrode of nonaqueous electrolyte secondary battery and slurry for positive electrode of nonaqueous electrolyte secondary battery
Provided is a method for manufacturing a slurry for a positive electrode of a nonaqueous electrolyte secondary battery containing an alkali metal complex oxide, the method making it possible to reliably deaerate surplus carbonic acid gas after an alkali component of a slurry containing the alkali metal complex oxide is neutralized within a short period of time. The method for manufacturing a slurry for a positive electrode of a nonaqueous electrolyte secondary battery includes a step of manufacturing an electrode slurry including a step of performing a neutralization treatment on an alkali component in the slurry by using inorganic carbon dissolved in a solvent of the slurry and a step of deaerating the inorganic carbon in the slurry as carbonic acid gas by causing cavitation. |
| US11251415B2 |
Storage battery electrode, manufacturing method thereof, storage battery, electronic device, and graphene
To provide graphene oxide that has high dispersibility and is easily reduced. To provide graphene with high electron conductivity. To provide a storage battery electrode including an active material layer with high electric conductivity and a manufacturing method thereof. To provide a storage battery with increased discharge capacity. A method for manufacturing a storage battery electrode that is to be provided includes a step of dispersing graphene oxide into a solution containing alcohol or acid, a step of heating the graphene oxide dispersed into the solution, and a step or reducing the graphene oxide. |
| US11251411B2 |
Systems and methods for supporting and conveying a substrate
A system may include a support surface for supporting a substrate, a plurality of first passages arranged to distribute flows of a first gas to establish a gas bearing to float the substrate above the support surface, and a plurality of second passages arranged to distribute flows of a second gas to convey the substrate along the support surface. A method may include floating a substrate above a support surface of a substrate support apparatus via a gas bearing; and while floating the substrate, conveying the substrate along the support surface by flowing gas toward a surface of the substrate and in a nonperpendicular direction relative to the surface of the substrate. |
| US11251397B2 |
Display panel having display area and component installation area, method of fabricating display panel having display area and component installation area, and display apparatus
A method of fabricating a display panel having a display area and a component installation area substantially surrounded by the display area. The method includes forming one or more organic layers on a base substrate in both the display area and the component installation area; removing the one or more organic layers in at least a first region of the component installation area; forming an encapsulating material layer in at least the first region of the component installation area; and curing the encapsulating material layer. |
| US11251393B2 |
Flexible display module, flexible display device and method for preparing the flexible display module
A flexible display module according to the present application includes a number of module material layers superposed; and at least one strain isolation layer disposed between the two adjacent the module material layers. The strain isolation layer includes a chamber and an elastic material layer surrounding an outer periphery of the chamber. |
| US11251387B2 |
Polymer solar cell
A polymer solar cell includes a photoactive layer, a cathode electrode, and an anode electrode. The photoactive layer includes a polymer layer and a carbon nanotube layer. The polymer layer includes a first polymer surface and a second polymer surface opposite to the first polymer surface. A portion of the carbon nanotube layer is embedded in the polymer layer, and another portion of the carbon nanotube layer is exposed from the polymer layer. The cathode electrode is located a surface of the carbon nanotube layer away from the polymer layer. The anode electrode is located on the first polymer surface and spaced apart from the carbon nanotube layer. The entire second polymer surface is exposed. |
| US11251386B2 |
Highly efficient small molecule multi-junction organic photovoltaic cells
A highly efficient multi junction photovoltaic device, such as a two, three, or four junction device, is disclosed. The multi-junction device may include a first subcell comprising a first photoactive region and a second subcell comprising a second photoactive region. The first and second photoactive regions are designed to minimize spectral overlap and maximize photocurrent across a broad absorption spectra, such as wavelengths ranging from 400 nm to 900 nm. The device may further include an inter-connecting layer, disposed between the first subcell and the second subcell, that is at least substantially transparent. By introducing a transparent interconnecting layer, a dual element (tandem) cell achieves a power conversion efficiency of 10.0±0.5%. By adding an additional (3rd) sub-cell that absorbs at the second order optical interference maximum within the stack. The triple junction cell significantly improves the quantum efficiency at shorter wavelengths, achieving a power conversion efficiency of 11.1±0.5%. Adding additional sub-cells has been shown to increase power conversion efficiency above 12%. |
| US11251383B2 |
Display device and method for manufacturing the same
The present disclosure relates to a display device and a method of manufacturing the same. The display device includes: a plurality of display units, each display unit including one or more pixels; and a plurality of elastically stretchable stretching units respectively connected among the plurality of display units and forming elastic connection points with the display units, the stretching units and the plurality of display units forming a net-shaped distribution structure, wherein in a state that the display device is not under tension, a connection lines between the elastic connection points at both ends of the stretching unit are not parallel to a normal of the display units connected with at least one end of the stretching unit at the elastic connection points. |
| US11251378B2 |
Organic light-emitting diode having alleviated luminance reduction in low dynamic range
The present disclosure relates to an organic light-emitting diode which can operate at a low voltage with high efficiency and exhibits the effect of having an alleviated luminance reduction rate in a low dynamic range. More particularly, the organic light-emitting diode comprises: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and a charge balance control layer arranged sequentially between the first and the second electrode, wherein the light-emitting layer includes at least one of amine derivative compounds represented by the following Chemical Formula A and the charge balance control layer includes at least one of anthracene derivative compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A, B, and C are as defined in the specification. |
| US11251377B2 |
Organic light emitting device
Provided is an organic light emitting device. |
| US11251376B2 |
Heterocyclic compound and organic light-emitting device including the same
A heterocyclic compound and an organic light-emitting device including the same are provided. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, where the organic layer may include an emission layer and at least one of the heterocyclic compound described above. |
| US11251374B2 |
Nanotube spectrometer array and making a nanotube spectrometer array
A nanotube spectrometer array includes: a substrate including block receivers; photodetectors arranged in an array with each photodetector including: a single wall carbon nanotube disposed on the substrate in a block receiver and disposed laterally along the block receiver; a source electrode on the single wall carbon nanotube; a drain electrode on the single wall carbon nanotube, such that the source and drain electrodes are separated from each other by a photoreceiver portion of the single wall carbon nanotube; and a gate electrode disposed on the substrate such that substrate is interposed between the gate electrode and the single wall carbon nanotube. The single wall carbon nanotube in each photodetector is a different chirality so that each photodetector absorbs light with a maximum photon absorptivity at a difference wavelength that is based on the chirality of the single wall carbon nanotube of the photodetector. |
| US11251372B2 |
Vapor deposition source and method for making organic light-emitting diode display panel
A source to facilitate precise vapor deposition in processes to obtain organic light emitting diodes (OLEDs) in a display panel, includes forming a plurality of grooves on a first substrate; in filling organic light emitting materials into the grooves and providing a second substrate to receive the vaporized organic light emitting materials. The first substrate is aligned with the second substrate and the first substrate is heated to vaporize the organic light emitting materials in the grooves. The vapor deposition regions of the second substrate form an organic light emitting material layer after the deposition, the layer can then be used in an OLED display panel. The shadow effect is greatly reduced, a method for the procedure is also disclosed. |
| US11251371B2 |
Nonvolatile memory device having multi-level resistance and capacitance characteristics, and manufacturing method thereof
A nonvolatile memory device having multi-level resistance and capacitance values is provided. Such a nonvolatile memory device includes: a substrate; a first electrode that is provided on the substrate; a dielectric layer that is provided on the first electrode, has resistance and capacitance changed by a tunneling conduction phenomenon of charges according to an applied voltage, has rectifying characteristics, and includes a dielectric material; an active layer that is provided on the dielectric layer, has resistance and capacitance changed according to an applied voltage, and includes a graphene oxide complex; and a second electrode that is provided on the active layer. In addition, the nonvolatile memory device has multi-level resistance and capacitance values according to an applied voltage. |
| US11251366B2 |
Oxide interlayers containing glass-forming agents
A magnetic junction usable in a magnetic device is described. The magnetic junction includes a free layer and an oxide interlayer on the free layer. The oxide interlayer includes at least one glass-forming agent. In some aspects, the magnetic junction includes a reference layer and a nonmagnetic spacer layer being between the reference layer and the free layer. The free layer is between the nonmagnetic spacer layer and the oxide interlayer. |
| US11251364B2 |
Magnetic tunnel junctions suitable for high temperature thermal processing
Embodiments herein provide film stacks that include a buffer layer; a synthetic ferrimagnet (SyF) coupling layer; and a capping layer, wherein the capping layer comprises one or more layers, and wherein the capping layer, the buffer layer, the SyF coupling layer, or a combination thereof, is not fabricated from Ru. |
| US11251363B2 |
Methods of forming electronic devices
A magnetic cell includes a magnetic region formed from a precursor magnetic material comprising a diffusive species and at least one other species. An amorphous region is proximate to the magnetic region and is formed from a precursor trap material comprising at least one attractor species having at least one trap site and a chemical affinity for the diffusive species. The diffusive species is transferred from the precursor magnetic material to the precursor trap material where it bonds to the at least one attractor species at the trap sites. The species of the enriched trap material may intermix such that the enriched trap material becomes or stays amorphous. The depleted magnetic material may then be crystallized through propagation from a neighboring crystalline material without interference from the amorphous, enriched trap material. This enables high tunnel magnetoresistance and high magnetic anisotropy strength. Methods of fabrication and semiconductor devices are also disclosed. |
| US11251360B2 |
MTJ capping layer structure for improved write error rate slopes and thermal stability
A magnetic tunnel junction (MTJ) stack structure having an enhanced write performance and thermal stability (i.e., retention) is provided which can be used as an element/component of a spin-transfer torque (STT) MRAM device. The improved write performance, particularly the write error rate slope as a function of write voltage (Vfrc) which is essential in defining the overdrive voltage needed to successfully write a bit at low write error floors, is provided by a MTJ stack structure in which a zirconium (Zr) cap layer is inserted between a MTJ capping layer and an etch stop layer. |
| US11251358B2 |
Holder for a piezoelectric component
The present invention relates to a holder (5) for a piezoelectric component (1), having a clamping device (6) and two contact elements (8) which contain a conductive rubber material, wherein the clamping device (6) is designed to clamp the piezoelectric component (1) between the contact elements (8) in a closed state, and wherein the contact elements (8) are in electrical contact with the piezoelectric component (1) in the closed state of the clamping device (6). |
| US11251357B2 |
Actuator device based on an electroactive polymer
An actuator device (21) comprises an electroactive polymer (EAP) and a driver (20) for generating a electrical drive signals which give opposite polarity voltages and thus electrical field within the electroactive polymer at different times. In this way, charge build-up can be reduced or avoided, while prolonged activation times are still possible. This improves the performance and/or lifetime of the device. |
| US11251356B2 |
Actuator and sensor device based on electroactive polymer
Provided is a combined actuator and sensor device having an electroactive polymer (EAP) structure (22) and a controller for generating drive signals applied to the EAP structure. The controller is adapted to superpose a small high-frequency AC sensing signal (34) on top of a larger actuation drive signal (32), the sensing signal having a frequency which resonates with the mechanical resonance frequency or anti-resonance frequency of the EAP structure. Application of mechanical loads to the device may be identified in changes in the impedance of the EAP structure, caused by damping of the mechanical resonance. In this way the device facilitates simultaneous sensing and actuation. A corresponding method of simultaneous sensing and actuation is also provided. |
| US11251355B2 |
Resonance frequency adjustment for fixed-frequency qubits
A method of an embodiment includes forming a capacitor pad for a nonlinear resonator. In an embodiment, the method includes comparing a resonance frequency of the nonlinear resonator to a target frequency to determine whether the resonance frequency falls within a range of the target frequency. A device of an embodiment includes a first capacitor pad comprising a superconducting material, the first capacitor pad configured to couple to a first end of a logic circuit element. In an embodiment, the device includes a second capacitor pad comprising a second superconducting material, the capacitor pad configured to couple to a second end of the logic circuit element. In an embodiment, the second capacitor pad includes a first portion; a second portion; and a bridge configured to electrically connect the first portion and the second portion. |
| US11251354B2 |
Thermocouple device
A semiconductor device and method of making same are disclosed. In some embodiments, a method includes: forming a first thermoelectric conduction leg on a substrate; forming a second thermoelectric conduction leg on the substrate to be aligned with the first thermoelectric conduction leg along a same row; forming at least one intermediate thermoelectric conduction structure on an end of the second thermoelectric conduction leg; forming a contact structure to couple the first and second thermoelectric conduction legs via the at least one intermediate thermoelectric conduction structure; and recessing the substrate to form at least one trench substantially adjacent to a respective side edge of either the first thermoelectric conduction leg or the second thermoelectric conduction leg. |
| US11251353B2 |
Thermoelectric material, thermoelectric module, and producing method of thermoelectric material
There is provided a thermoelectric material including a compound which is formed of an element R belonging to alkaline earth metal and lanthanoid, and an element X belonging to any of Group 13 elements, Group 14 elements, and Group 15 elements. The composition ratio of the element R and the element X is selected to obtain the compound having an AlB2 type structure. |
| US11251351B2 |
Light emitting diode, light emitting diode module, and display device having the same
A light emitting diode having an improved heat dissipation effect includes a light source unit emitting a light to a front surface and including a light emitting part, a first electrode pad, and a second electrode pad. The light emitting diode further includes a lead frame unit disposed on a rear surface of the light source unit and including first and second lead terminals respectively connected to the first and second electrode pads. The light emitting diode also includes at least one of the first and second lead terminals includes an upper conductive layer, an intermediate conductive layer, and a lower conductive layer which are disposed on different layers and electrically connected to one another. |
| US11251348B2 |
Multi-segment monolithic LED chip
Described herein are LED chips comprising pluralities of active regions on the same submount. These active regions are individually addressable, such that beam output from the LEDs can be controlled simply by selectively activating the desired active region in the plurality without resorting to incorporation of advanced optics and reflectors comprising complex moving parts. In some embodiments, one or more active regions can surround one or more other active regions. In some embodiments, the various active regions are individually addressable by virtue of each active region comprising its own anode and sharing a common cathode. In some embodiments, the various active regions are individually addressable by virtue of each active region comprising its own cathode and sharing a common anode. In some embodiments, each active region comprises its own anode and its own cathode. |
| US11251346B2 |
Light emitting diode package structure
A light emitting diode (LED) package structure is provided and includes a substrate, an LED chip and a reflective component. The substrate has a first and a second region, and the substrate includes at least one electrode pad disposed on the second region. The LED chip is disposed on the substrate and has a chip upper surface with a light emitting region and a wire bonding region. The LED chip includes at least one electrode contact located at the wire bonding region and is electrically connected to the at least one electrode pad via a metal wire. The reflective component includes a first portion and a second portion. The first portion includes a first surface flush with the light emitting region and the second portion includes a second surface above a highest point of the metal wire. |
| US11251338B2 |
Deep ultraviolet light-emitting element
A deep ultraviolet light-emitting element of this disclosure includes, in this order, an n-type semiconductor layer; a light-emitting layer; and a p-type semiconductor layer. An emission spectrum of the deep ultraviolet light-emitting element has a primary emission peak wavelength in a wavelength range of 200 nm or more and 350 nm or less, and a blue-violet secondary light emission component having a relative emission intensity of 0.03% to 10% across a wavelength range of 430 to 450 nm, a yellow-green secondary light emission component having a relative emission intensity of 0.03 to 10% across a wavelength range of 540 to 580 nm, when the relative emission intensities are expressed relative to an emission intensity at the primary emission peak wavelength taken as 100%. The ratio of an emission intensity at a wavelength of 435 nm to an emission intensity at a wavelength of 560 nm is 0.5 to 2. |
| US11251336B2 |
Semiconductor device
A semiconductor device includes a semiconductor stack having a first-type semiconductor structure, an active structure, and a second-type semiconductor structure disposed on the first-type semiconductor structure. The second-type semiconductor structure has a doping concentration. A first portion includes a part of the first-type semiconductor structure, the active structure, and the second-type semiconductor structure, and has a current confining region. A second portion includes a part of the first-type semiconductor structure, the active structure, and the second-type semiconductor structure, and includes a first-type heavily doped region in the second-type semiconductor structure. The first-type heavily doped region includes a doping concentration higher than that of the second-type semiconductor structure. |
| US11251330B2 |
Pseudomorphic electronic and optoelectronic devices having planar contacts
In various embodiments, light-emitting devices incorporate smooth contact layers and polarization doping (i.e., underlying layers substantially free of dopant impurities) and exhibit high photon extraction efficiencies. |
| US11251327B2 |
Photocoupler
Disclosed is a photocoupler comprising: at least two lead frames; an optical channel structure including a light-emitting chip, a light-sensing chip, and a light-transmissive encapsulant body, wherein the light-emitting chip and the light-sensing chip are mounted and bonded on the lead frame and are coplanar, a light-emitting surface of the light-emitting chip and a light-sensing surface of the light-sensing chip face toward the same direction, the light-transmissive encapsulant body encloses the light-emitting chip and the light-sensing chip; and a light-reflecting package encloses the light-transmitting package, and all enclosing contact surface where the light-reflecting outer package contacts the light-transmissive encapsulant body is an optical reflective surface, wherein the light-reflecting encapsulant body and the light-transmissive encapsulant body are formed by double molding and epoxy molding, so that the light-transmissive encapsulant body and the light-reflecting encapsulant body are easy to be shaped. |
| US11251326B2 |
Method of fabrication of a photonic chip comprising an SACM-APD photodiode optically coupled to an integrated waveguide
The invention relates to a method of fabrication of a photonic chip 1 comprising an avalanche photodiode 20 of the SACM type optically coupled to an integrated waveguide 40, comprising a step for forming a first spacer 24 allowing a constant peripheral recessing drzc of the charge region 23 to be defined later on with respect to an edge of the multiplication portion 22, then a step for forming a second spacer 26 allowing a constant peripheral recessing drpa of the absorption portion 27 to be defined later on with respect to an edge of the charge region 23. |
| US11251324B2 |
Method for manufacturing perovskite silicon tandem solar cell
The present disclosure relates to a method for manufacturing a monolithic tandem solar cell in which a perovskite solar cell is laminated and bonded on a silicon solar cell. According to the present disclosure, a first microporous precursor thin film is formed through a sputtering method on a substrate having an unevenly structured texture and then a halide thin film is formed on the first microporous precursor thin film to form a perovskite absorption layer, whereby light reflectance can be reduced and a path of light can be increased, and accordingly a light absorption rate can be increased. |
| US11251322B2 |
Photovoltaic power generation module
Disclosed is a photovoltaic power generation module having a single layer structure in which a pattern glass and a solar cell module are integrated. The disclosed photovoltaic power generation module comprises: a pattern glass comprising a base member, and a pattern member provided thereon in which an optical pattern is formed; a solar cell module provided with a solar cell; a plurality of supportive adhering parts in a pillar shape adhered to the pattern member; and a filler filled between the supportive adhering part and the solar cell module, wherein the pattern glass and the solar cell module are integrated through the supportive adhering parts and the filler, and the height of the supportive adhering parts are configured to be greater than the height of the pattern member so that a gap for forming an air layer between the pattern member and the filler can be provided. |
| US11251319B2 |
Solar cell
A method for fabricating a solar cell, includes forming an emitter layer by doping a first impurity having a second conductivity type, opposite a first conductivity type, on a front surface of a substrate having the first conductivity type; forming a back surface field by doping a second impurity having the first conductivity type on a rear surface of the substrate; and forming a plurality of front finger lines in contact with the emitter layer and a plurality of rear finger lines in contact with the back surface field, wherein the emitter layer has a selective emitter structure, the back surface field has a selective back surface field structure, and the number of the plurality of rear finger lines positioned on the rear surface of the substrate is different from the number of the plurality of front finger lines positioned on a front surface of the substrate. |
| US11251316B2 |
Photovoltaic cell energy harvesting for fluorescent lights
Modern living involves using a significant amount of energy, much of which may be wasted or not used efficiently. This apparatus and methodology focuses on potentially wasted energy that is being produced but unused by fluorescent lights in buildings. Wasted energy is harvested using photovoltaic cell technology. Energy harvested per presently disclosed subject matter may be used for other local electrical devices, or sent back into the grid for the building to use, or stored for later use. One of the local uses may include an associated wireless device to send information to a cell phone and stored locally on a computer. Energy harvesting circuitry disclosed herewith is both compact and low cost. |
| US11251314B2 |
Memory devices and methods of manufacture thereof
Representative methods of manufacturing memory devices include forming a transistor with a gate disposed over a workpiece, and forming an erase gate with a tip portion extending towards the workpiece. The transistor includes a source region and a drain region disposed in the workpiece proximate the gate. The erase gate is coupled to the gate of the transistor. |
| US11251309B2 |
Thin film transistor comprising light shielding layer and light blocking portion and method for manufacturing the same, display panel and display device
Embodiments of the present disclosure relate to a thin film transistor, a method for manufacturing the same, a display panel, and a display device. The thin film transistor includes a substrate, an active layer located on the substrate, and a light shielding layer, a first dielectric layer, and a second dielectric layer located between the substrate and the active layer, wherein the first dielectric layer is located between the second dielectric layer and the substrate, and wherein a refractive index of the first dielectric layer is greater than a refractive index of the second dielectric layer. |
| US11251307B2 |
Device comprising 2D material
A device includes a substrate, a first electrode on the substrate, an insulating pattern on the substrate, a second electrode on an upper end of the insulating pattern, a two-dimensional (2D) material layer on a side surface of the insulating pattern, a gate insulating layer covering the 2D material layer, and a gate electrode contacting the gate insulting layer. The insulating pattern extends from the first electrode in a direction substantially vertical to the substrate. The 2D material layer includes at least one atomic layer of a 2D material that is substantially parallel to the side surface of the insulating pattern. |
| US11251305B2 |
Fin field effect transistor device structure and method for forming the same
A fin field effect transistor device structure includes a fin structure formed over a substrate. The structure also includes a gate structure formed across the fin structure. The structure also includes a cap layer formed over the gate structure. The structure also includes a contact structure formed over the gate structure penetrating through the cap layer. The structure also includes an isolation film formed over sidewalls of the contact structure. The isolation film is separated from the gate structure, and a bottom surface of the isolation film is below a top surface of the cap layer. |
| US11251304B2 |
Wrap-around bottom contact for bottom source/drain
A method of forming a vertical transport fin field effect transistor device is provided. The method includes replacing a portion of a sacrificial exclusion layer between one or more vertical fins and a substrate with a temporary inner spacer. The method further includes removing a portion of a fin layer and the sacrificial exclusion layer between the one or more vertical fins and the substrate, and forming a bottom source/drain on the temporary inner spacer and between the one or more vertical fins and the substrate. The method further includes replacing a portion of the bottom source/drain with a temporary gap filler, and replacing the temporary gap filler and temporary inner spacer with a wrap-around source/drain contact having an L-shaped cross-section. |
| US11251301B2 |
Cross-bar vertical transport field effect transistors without corner rounding
A semiconductor device structure for a vertical field effect transistor comprises a substrate with a shallow trench isolation (STI) region. A lower source/drain area is formed on the STI region with a first semiconductor fin, a second semiconductor fin, and a third semiconductor fin. The third semiconductor fin is formed to couple the first semiconductor fin to the second semiconductor fin across the lower source/drain area. The STI region that is beneath the lower source/drain area comprises opposing sidewall portions curved in opposing directions. In one example the lower source/drain area is formed only at an intersection between the STI region and one or more of the first semiconductor fin, the second semiconductor fin, and the third semiconductor fin. In other example, the second semiconductor fin is disposed parallel to the first semiconductor fin and together with the third semiconductor fin resulting in an H-shaped structure from a top-down view. |
| US11251300B2 |
Semiconductor device and method of manufacturing semiconductor device
A semiconductor device includes: a substrate; a drift region disposed on a principal surface of the substrate; a first well region extending from a second principal surface of the drift region in a direction perpendicular to the second principal surface and having a bottom portion; a second well region being in contact with the bottom portion and disposed at a portion inside the substrate located below the bottom portion; and a source region extending in a perpendicular direction from a region of the second principal surface provided with the first well region, and reaching the second well region. In a direction parallel to the second principal surface and oriented from a source electrode to a drain electrode, a distance of the second well region in contact with a gate insulating film is shorter than a distance of the first well region in contact with the gate insulating film. |
| US11251298B2 |
Power semiconductor device
A semiconductor device of an embodiment includes: a first nitride semiconductor layer of a first conductive type; a second nitride semiconductor layer which is the first conductive type and is provided on the first nitride semiconductor layer; a third nitride semiconductor layer which is a second conductive type and is provided on the second nitride semiconductor layer; a fourth nitride semiconductor layer which is the first conductive type and is provided on the third nitride semiconductor layer; and a first electrode provided in a trench provided in the second nitride semiconductor layer, the third nitride semiconductor layer, and the fourth nitride semiconductor layer, via a first insulating film. |
| US11251296B2 |
MOSFET device with shielding region and manufacturing method thereof
A MOSFET device comprising: a structural region, made of a semiconductor material having a first type of conductivity, which extends between a first side and a second side opposite to the first side along an axis; a body region, having a second type of conductivity opposite to the first type, which extends in the structural region starting from the first side; a source region, having the first type of conductivity, which extends in the body region starting from the first side; a gate region, which extends in the structural region starting from the first side, traversing entirely the body region; and a shielding region, having the second type of conductivity, which extends in the structural region between the gate region and the second side. The shielding region is an implanted region self-aligned, in top view, to the gate region. |
| US11251294B2 |
High voltage blocking III-V semiconductor device
A semiconductor device includes type IV semiconductor base substrate, first and second device areas that are electrically isolated from one another, a first region of type III-V semiconductor material formed over the first device area, a second region of type III-V semiconductor material formed over the second device area, the second region of type III-V semiconductor material being laterally electrically insulated from the first region of type III-V semiconductor material, a first high-electron mobility transistor integrally formed in the first region, and a second high-electron mobility transistor integrally formed in the second region. The first and second high-electron mobility transistors are connected in series. A source terminal of the first high-electron mobility transistor is electrically connected to the first device area. The first device area is electrically isolated from a subjacent intrinsically doped region of the base substrate by a first two-way voltage blocking device. |
| US11251293B2 |
Semiconductor device
According to one embodiment, a semiconductor device includes first to fourth semiconductor regions, and an insulating part. The third electrode is between the first and second electrodes in a first direction from the first electrode toward the second electrode. The first semiconductor region includes Alx1Ga1-x1N and includes first to fifth partial regions. A second direction from the first partial region toward the first electrode crosses the first direction. The second semiconductor region includes Alx2Ga1-x2N and includes sixth and seventh partial regions. The third semiconductor region includes Alx3Ga1-x3N and includes an eighth partial region between the fifth and seventh partial regions. The fourth semiconductor region includes Alx4Ga1-x4N and includes a first portion between the fifth and eighth partial regions. The fourth semiconductor region includes a first element not included the first to third semiconductor regions. The insulating part includes first to third insulating regions. |
| US11251292B2 |
High electron mobility transistor
A high electron mobility transistor is disclosed. The high electron mobility transistor has a gallium nitride layer with a plurality of two-dimensional electron gas channels, wherein the gallium nitride layer is disposed over a substrate. A gate contact has a gate bus disposed over the gallium nitride layer. The gate bus includes a plurality of gate feet extending from the gate bus into the gallium nitride layer. Each gate foot of the plurality of gate feet has a trapezoid-shaped cross-section with a longer base and a shorter base in parallel with a longitudinal axis of the gate bus. A source contact is disposed over the gallium nitride layer, and a drain contact is disposed over the gallium nitride layer, wherein the source contact and the drain contact are spaced apart from the gate contact and each other. |
| US11251290B2 |
Bipolar transistor and method for producing the same
A bipolar transistor comprising a subcollector layer, and a collector layer on the subcollector layer. The collector layer includes a plurality of doped layers. The plurality of doped layers includes a first doped layer that has a highest impurity concentration thereamong and is on a side of or in contact with the subcollector layer. Also, the first doped layer includes a portion that extends beyond at least one edge of the plurality of doped layers in a cross-sectional view. |
| US11251289B2 |
FinFET device comprising plurality of dummy protruding features
A method includes forming a first active fin structure and a second active fin structure on a substrate. A dummy fin structure is formed on the substrate, the dummy fin structure being interposed between the first active fin structure and the second active fin structure. The dummy fin structure is removed to expose a first portion of the substrate, the first portion of the substrate being disposed directly below the dummy fin structure. A plurality of protruding features is formed on the first portion of the substrate. A shallow trench isolation (STI) region is formed over the first portion of the substrate, the STI region covering the plurality of protruding features, at least a portion of the first active fin structure and at least a portion of the second active fin structure extending above a topmost surface of the STI region. |