Document Document Title
US10973121B2 Backlight golden finger structure and display device
The embodiments of the present disclosure relate to the technical field of manufacturing display device, and disclose a backlight golden finger structure and a display device. The backlight golden finger structure includes: a plurality of golden finger bodies, one end of each golden finger body being configured to be connected with a backlight flexible circuit board, the other end of each golden finger body being overhung and configured to be connected with a display panel flexible circuit board at a first surface of the backlight golden finger structure; and a first covering film disposed on the first surface of each golden finger body, an edge of the first covering film adjacent to the overhung end of the golden finger body being in a curved shape.
US10973120B1 Insulating film and printed circuit board including the same
An insulating film includes an insulating layer and a surface bonding layer disposed on the insulating layer. The surface bonding layer includes a radical generation element and a coordinate bond element. In the surface bonding layer, a/b is 0.05 or more and 0.35 or less, in which ‘a’ is an atom content of the coordinate bond element and ‘b’ is an atom content of the radical generation element.
US10973118B2 Flexible conductive film, its manufacturing method, flexible touch screen and flexible display panel
A flexible conductive film and its manufacturing method are provided. A flexible touch screen and a flexible touch display panel including the flexible conductive film are also provided. The manufacturing method of a flexible conductive film includes: providing a first substrate; applying a first conductive metal ink on the first substrate and forming a first conductive metal pattern; applying a polyimide varnish on a surface of the first substrate having the first conductive metal pattern; soaking the first substrate in deionized water after the polyimide varnish has been solidified; and detaching the solidified polyimide varnish and the first conductive metal pattern from the first substrate to obtain the flexible conductive film. The flexible conductive film prepared can be used in a flexible touch screen and a flexible display panel to improve the adhesion of nanosilver material to a flexible substrate, and to improve its stability of mechanical strength.
US10973113B2 Component carrier with transistor components arranged side by side
A component carrier with a stack including a plurality of electrically conductive layer structures and/or electrically insulating layer structures, and a first transistor component and a second transistor component embedded side-by-side in the stack.
US10973111B2 Cooling device for x-ray generators
A cooling device for x-ray tubes in x-ray generators, comprising a housing with a central receiving device for receiving an x-ray tube with an inlet opening for supplying a gaseous coolant, an outlet opening for discharging the gaseous coolant, and a gas-conducting channel which extends between the inlet opening and the outlet opening. The gas-conducting channel is designed to conduct the gaseous coolant directly by the high-voltage x-ray tube housing during operation. The gas-conducting channel additionally extends in a helical manner about the x-ray tubes such that the electric potential applied to the x-ray tubes drops to zero potential along the gas-conducting channel.
US10973104B2 Intelligent lighting control system detection apparatuses, systems, and methods
The present disclosure provides intelligent lighting control systems.
US10973101B2 Driver for LED device and LED system
A single-stage driver for an LED device, configured to be coupled between a power supply and the LED device, comprises: a rectifier, a DC-to-DC converter, a resistor and a controller. The rectifier is configured to be coupled to the power supply and convert an alternating voltage from the power supply into a first direct voltage. The DC-to-DC converter, which comprises at least two switches, is coupled between the rectifier and the LED device and configured to receive the first direct voltage and provide a constant current to the LED device. The resistor is configured to be coupled in series with the LED device. The controller is coupled between the resistor and the at least two switches, and configured to keep the current through the LED device stable around a predetermined current value by controlling the switches based on a voltage across the resistor, wherein all the at least two switches are turned on or off synchronously.
US10973100B1 LED luminance control circuit, LED luminance control method, and LED luminance control program
Provided is an ambient temperature estimating device, ambient temperature estimating method, program, and system that are able to realize both high robustness and high ambient temperature estimation accuracy. An ambient temperature estimating device includes a neural network, a temperature acquisition unit configured to acquire one or more temperature values inside the ambient temperature estimating device, and a neural network calculator configured to estimate an ambient temperature around the ambient temperature estimating device using the neural network. Input values inputted to the neural network by the neural network calculator include the temperature values acquired by the temperature acquisition unit and a heat source control value for controlling a heat source inside the ambient temperature estimating device.
US10973099B1 Carry-signal controlled LED light with fast discharge and LED light string having the same
A carry-signal controlled LED light with fast discharge includes at least one LED and a drive unit. The drive unit includes a signal detector, a fast discharge unit, a light control unit, and a capacitor. The signal detector receives the carry light signal and provides a discharging control signal according to the carry light signal. The fast discharge unit receives the discharging control signal and controls a voltage of the carry light signal to be fast lower than a low-level voltage. The light control unit drives the light behavior of the at least one LED according to light command content of the carry light signal. The capacitor receives a DC power source to be charged and provides the required work power to the LED light when the fast discharge unit fast discharges.
US10973098B1 LED backlight driving circuit and addressing method thereof
A LED backlight driving circuit includes a plurality of driving integrated circuits coupled to a data transmission line and a plurality of selecting circuits respectively connected to the plurality of driving integrated circuits. In an addressing mode, the plurality of selecting circuits are used to select one driving integrated circuit from the plurality of driving integrated circuits to set an address. The plurality of driving integrated circuits can set addresses via input/output pins connected to LEDs. So a number of pins of the driving integrated circuit can be equal to or less than 4, which will rise a yield of the LED backlight driving circuit setting in a PCB or in a glass board.
US10973096B2 LED lighting systems and methods for constant current control in various operation modes
System and method for providing at least an output current to one or more light emitting diodes. The system includes a control component configured to receive at least a demagnetization signal, a sensed signal and a reference signal and to generate a control signal based on at least information associated with the demagnetization signal, the sensed signal and the reference signal, and a logic and driving component configured to receive at least the control signal and output a drive signal to a switch based on at least information associated with the control signal. The switch is connected to a first diode terminal of a diode and a first inductor terminal of an inductor. The diode further includes a second diode terminal, and the inductor further includes a second inductor terminal.
US10973095B2 Systems and methods for bleeder control related to lighting emitting diodes
System and method for controlling one or more light emitting diodes. For example, the system includes a bleeder configured to receive a rectified voltage generated by a rectifying bridge, and a dimmer detector configured to receive an input voltage generated by a voltage divider, determine whether or not the rectified voltage is associated with a TRIAC dimmer, and output a control signal to the bleeder. The voltage divider is configured to receive the rectified voltage, and the input voltage indicates a magnitude of the rectified voltage.
US10973092B2 Microwave equipment
An arrangement for heating a sample by microwave radiation is provided. The arrangement includes a container having an inner space for accommodating the sample and having a bottom container wall, a wave guide arranged to guide a microwave having an electric field direction, a waveguide adapter being adapted to couple the microwave from the wave guide into the inner space of the container via the bottom container wall being oriented to be different from perpendicular to, in particular substantially parallel to, the electric field vector direction.
US10973090B2 Induction heating power supply apparatus
An induction heating power supply apparatus includes a smoothing section to smooth pulsating current of DC power output from a DC power supply section, and an inverter to convert the DC power smoothed by the smoothing section to AC power. The smoothing section includes a pair of bus bars connected to the inverter and a capacitor connected to the pair of bus bars. Each of the bus bars has an external surface extending in a current flow direction, the external surface including a flat face having a larger surface dimension than another face of the external surface in a direction perpendicular to the current flow direction. The bus bars are arranged in a layered manner such that the flat faces of the bus bars are opposed to each other and such that an insulator is sandwiched between the flat faces of the bus bars.
US10973089B2 Heatable laminated side pane
A heatable laminated side pane for an openable side window of a vehicle, with an upper edge, a lower edge, a front edge, and a rear edge, includes an outer pane and an inner pane, which panes are bonded to one another via a thermoplastic intermediate layer, and a transparent, heatable coating, which is arranged between the outer pane and the inner pane and which is electrically contacted by a first collecting rail and a second collecting rail and which has, for guiding a heating current flowing between the collecting rails, at least one decoated isolating line that runs between the collecting rails, wherein the first collecting rail and the second collecting rail are arranged along the front edge or the rear edge.
US10973085B2 Polarity assignment in a multi-hop wireless network
In one embodiment, a method includes determining a plurality of network nodes of a multi-hop wireless network, wherein each network node comprises an array of beamforming antennae; assigning to each network node in a first subset a first bipartite-graph polarity; assigning to each network node in a second subset a second bipartite-graph polarity; and configuring the multi-hop wireless network according to a bipartite-graph representation of the multi-hop wireless network. During first time slots network nodes of the first bipartite-graph polarity transmit to network nodes of the second bipartite-graph polarity and network nodes of the second bipartite-graph polarity receive from network nodes of the first bipartite-graph polarity. During second time slots that alternate with the first time slots, network nodes of the second bipartite-graph polarity transmit to network nodes of the first bipartite-graph polarity and network nodes of the first bipartite-graph polarity receive from network nodes of the second bipartite-graph polarity.
US10973082B2 Registration method, session establishment method, terminal, and AMF entity
A registration method includes sending, by a terminal, a first message to the AMF entity, where the first message includes first information, first network slice selection information, second network slice selection information, and information for requesting to establish a protocol data unit (PDU) session. The first network slice selection information is used by the AMF entity to select a first session management control function (SMF) entity, and the second network slice selection information is used by the AMF entity to select a second SMF entity. The method further includes receiving, by the terminal, a second message from the AMF entity, where the second message includes second information, and the second information includes PDU session establishment accept information.
US10973078B2 Supporting semi-persistent scheduling for varied transmission time intervals
An apparatus configured to be employed within an evolved Node B (eNodeB) or within a User Equipment (UE) is disclosed. The apparatus includes control circuitry. The control circuitry is configured to configure a semi-persistent scheduling (SPS) configuration that accommodates short subframes. The short subframes have a transmit time interval (TTI) of less than duration of 1 legacy subframe (e.g., 1 ms). The SPS configuration is provided within a radio resource control (RRC) signaling.
US10973071B2 Improving communication reliability
There is provided a method, comprising: at least partially controlling, by a network node, transmissions in a plural of radio access technologies, RATs, each RAT being capable of providing at least one communication link to a same user equipment; deciding to transmit a packet to the user equipment at least via a first RAT; requesting a transmission of the packet additionally via at least one other RAT; determining capability information corresponding to the requested transmission of the packet via the at least one other RAT; determining transmission setup for the packet to be transmitted via the first RAT based on the capability information, wherein the transmission set-up defines at least the number of transmissions to be performed for the packet by the first RAT; and instructing the transmission of the packet via the first RAT according to the determined transmission level.
US10973070B2 TDM transmission for inter-RAT dual connectivity UE
Apparatuses, systems, and methods for a wireless device to perform substantially concurrent communications with a next generation network node and a legacy network node. The wireless device may be configured to establish a first wireless link with a first cell according to a RAT, where the first cell operates in a first system bandwidth and establish a second wireless link with a second cell according to a RAT, where the second cell operates in a second system bandwidth. Further, the wireless device may be configured to perform uplink activity for both the first RAT and the second RAT by TDM uplink data for the first RAT and uplink data for the second RAT if uplink activity is scheduled according to both the first RAT and the second RAT.
US10973065B2 Communicating vehicular communication messages
There is provided a solution for handling vehicle-to-everything messages in an access node of a cellular communication system. According to an aspect, a method comprises: processing, by the access node, cellular access messages according to a cellular communication protocol stack and delivering, by the access node, the cellular access messages between a terminal device and a core network of the cellular communication system; and processing, by the access node, vehicle-to-everything messages according to a sidelink communication protocol stack of vehicle-to-everything communications and delivering, by the access node, the vehicle-to-everything messages between at least one vehicular terminal device and an application server.
US10973063B2 Data forwarding method and device, network function entity, and session management function entity
A data forwarding method includes: acquiring a mapping between EPS bearer information and PDU session information; and transmitting the snapping between the EPS bearer information and the PDU session in formation to the SMF entity, so that the SMF entity configures a data forwarding tunnel in accordance with the mapping between the EPS bearer information and the PDU session information.
US10973060B2 Methods and systems for management of an association between a user and a vehicle
Methods and systems for vehicle—user association management. The methods and systems may include receiving identification data corresponding to a user and transmitting the identification data to a server. The identification data is compared to previously stored data in a memory of the server, and when the identification data matches previously stored data, transmitting a notification to a mobile device of the user, and when the identification data does not match previously stored data, transmitting a message based on the identification data, prompting the user to complete a registration with the server. The methods and systems may further include establishing the association between the user and the vehicle based on at least one of the notification and the registration.
US10973057B2 Modified multi-slot extended coverage random access channel transmission
Systems, methods, apparatuses, and computer program products for a modified multi-slot random access channel (RACH) transmission, such as an extended coverage RACH (EC-RACH) transmission, are provided. One method includes transmitting, by a mobile station associated with a network, a dual slot hybrid random access channel including a long burst followed by one access burst or including one access burst followed by one long burst. Two consecutive time slots may be used for the random access channel transmission.
US10973055B2 System and method for preamble sequence transmission and reception to control network traffic
The method includes generating a preamble sequence at a transmitter, where the transmitter is capable of generating a first type of preamble sequence and a second type of preamble sequence. The transmitter transmits a request message to a receiver to request network resources, where the request message including the preamble sequence. The transmitter receives a feedback message from the receiver. The transmitter controls the network data traffic based on the feedback message. The method further includes receiving, a receiver, a signal from the transmitter, the signal including the preamble sequence. The receiver detects the preamble sequence within the signal, where the receiver is capable of detecting a first type of preamble sequence and a second type of preamble sequence. The receiver identifies a request message within the signal based on the detected preamble sequence, and controls the network data traffic based on the identified request message.
US10973054B2 Wireless transceiver and wireless communication method
Disclosed are a wireless transceiver and a wireless communication method capable of reducing signal interference originated from a neighboring channel, in which the difference between the central frequency of the neighboring channel and the central frequency of a target channel is less than a frequency difference threshold and/or the energy of an interference signal of the neighboring channel is greater than a signal energy threshold. The wireless transceiver includes: a radio-frequency transceiver transmitting a first CTS-to-Self packet via the neighboring channel before it transmits a data packet via the target channel, in which the duration defined by the duration field of the first CTS-to-Self packet includes time for the radio-frequency transceiver finishing transmitting the data packet; a frequency synthesizer providing the signal carriers of the neighboring channel and the target channel for the radio-frequency transceiver; and a radio-frequency controller controlling the frequency synthesizer to provide the signal carriers.
US10973053B2 Listen-before-talk procedure with priority and interference addition awareness
An enhanced listen-before-talk procedure may be performed by a device for efficiently accessing and utilizing available resources. The procedure may include specifying input parameter values pertaining to intended wireless communications of the device, adjusting output parameter values based on the input parameter values and an access history of the device, and determining whether to access at least a portion of the wireless communication resources to conduct the wireless communications, based at least on the output parameter values. The output parameter values may pertain to wireless communication resources accessible to the device, and the access history may keep track of wireless communication resource accesses previously made by the device. Input parameter values may include requested channel occupation time, requested frequency resource, requested transmission power, and/or priority and/or urgency of requested transmission, while output parameter values may include energy detection threshold, contention window size, and/or extended clear channel assessment bypass.
US10973052B2 Transmission between basic service sets in wireless networks considering spatial reuse
A data unit (e.g., a physical layer convergence procedure (PLCP) protocol data unit (PPDU)) is detected at a first wireless device that is a member of a basic service set (BSS). The data unit was sent on a channel from a second wireless device that is a member of an overlapping basic service set (OBSS). When the first wireless device ignores the data unit and obtains a transmit opportunity for the channel according to a spatial reuse procedure, then the first wireless device is prohibited from transmitting a frame to a device that is a member of the OBSS during the time interval associated with the transmit opportunity.
US10973050B2 Communication control method, radio terminal, and base station
A radio terminal according to one embodiment is used in a mobile communication system supporting uplink transmission using an unlicensed spectrum. The user terminal comprises a controller configured to perform LBT (Listen-Before-Talk) before the uplink transmission. The controller applies a first LBT scheme to the LBT, in response to reception of information indicating the first LBT scheme from a base station. The controller applies a second LBT scheme to the LBT, in response to reception of information indicating the second LBT scheme with a shorter LBT time interval than the first LBT scheme, from the base station.
US10973049B2 Method for execution of random access, user equipment, and base station
The present invention provides a method for random access executed at user equipment (UE), comprising: receiving configuration information from a base station, the configuration information indicating an anchor carrier and/or one or a plurality of non-anchor carriers supporting a random access; selecting a carrier from the anchor carrier and/or the one or plurality of non-anchor carriers supporting a random access as a random access carrier according to the configuration information; and performing a random access by using the random access carrier. The present invention further provides a method for a random access executed at a base station, corresponding UE, and a corresponding base station.
US10973043B2 Communication method, terminal device, and network device
A method includes: receiving, by a first terminal device, a first downlink control channel on a third time-frequency resource; and based on the first downlink control channel and on a first time-frequency resource, sending, by the first terminal device, a first uplink message or receiving a first downlink message, where transmission directions of the first uplink message and a second downlink message are different, and the second downlink message is a message that the network device schedules a second terminal device to receive on a second time-frequency resource; transmission directions of the first downlink message and a second uplink message are different, and the second uplink message is a message that the network device schedules the second terminal device to send on the second time-frequency resource; and the first time-frequency resource and the second time-frequency resource include a same time domain resource and a same frequency domain resource.
US10973042B2 Terminal device, communication method, and communication system
A method that carries out uplink multiple access while reducing complexity in processing accompanying exchange of control information. A terminal device that performs uplink multiple access communication includes a reception unit that receives a frame including uplink multiple access connection information, a first autonomous decentralized control unit that instructs securing time of a wireless resource, and a second autonomous decentralized control unit that instructs securing time of a wireless resource after reception of a frame including the uplink multiple access connection information. The terminal device is instructed securing time of the wireless resource by the first autonomous decentralized control unit in a case that a frame including the uplink multiple access connection information is not received. Securing time of the wireless resource is instructed by the second autonomous decentralized control unit in a case that a frame including the uplink multiple access connection information is received.
US10973041B2 Resource selection method for V2X operation of terminal in wireless communication system, and terminal using method
Provided are a resource selection method for a vehicle-to-everything (V2X) operation of a terminal in a wireless communication system, and a terminal using the method. The method comprises: monitoring physical sidelink control channels (PSCCHs) for other terminals in a first subframe; and transmitting, in a second subframe, a V2X message by using a resource which is not overlapped with a resource scheduled by the PSCCH for another terminal.
US10973036B2 Electronic device and wireless communication method in wireless communication system
An electronic device and a wireless communication method in a wireless communication system. The electronic device includes circuitry configured to: set configuration information for D2D communication measurement for a first UE served by the electronic device, wherein the configuration information contains reference signal information about a second UE of a candidate object with which the first UE conducts D2D communication; send the configuration information, to trigger communication link quality measurement between the first UE and the second UE; receive a measurement report from the first UE; determine whether to convert the communication between the first UE and a current communication object to a communication with the second UE based on the measurement report; and send conversion information when the conversion determination unit determines to convert the communication, to notify the first UE and the UE to conduct communication.
US10973035B2 Scheduling of wireless communication devices
Disclosed is a method for an access point of scheduling a plurality of wireless communication devices for transmission. The method comprises selecting (210) a respective modulation and coding scheme—MCS—for each of the plurality of wireless communication devices, wherein each of the respective MCS:s is associated with a respective power back-off, sorting (220) the plurality of wireless communication devices into two or more groups, wherein each group has a maximum size, and scheduling (230) each of the two or more groups of wireless communication devices on different respective transmission resources. The sorting comprises letting first wireless communication devices having the same first respective MCS and the same first respective power back-off belong to the same group. The sorting also comprises (if the maximum size is not reached for the group) letting a second wireless communication device having a second respective MCS and a second respective power back-off belong to the group if a grouping criterion is met. The grouping criterion is based on at least the first respective power back-off. Corresponding arrangement, access point and computer program product are also disclosed.
US10973033B2 Method and device for data transmission and resource selection by means of terminal measurement in wireless communication system
A method for transmitting a physical sidelink shared channel (PSSCH), by a device-to-device (D2D) terminal, in a wireless communication system involves receiving a physical sidelink control channel (PSCCH) and a PSSCH transmitted in a resource region indicated by the PSCCH. If an energy measurement value with respect to the PSSCH is greater than a preset threshold, the method further involves selecting a transmission resource excluding the resource region in which the PSSCH has been transmitted; and transmitting a D2D signal by means of the selected transmission resource, wherein the threshold has a value that varies in accordance with whether or not the PSSCH is retransmission or the redundancy version (RV) of the PSSCH.
US10973029B2 Method, device and terminal for performing feedback using an uplink request resource
Example uplink control information sending methods, network devices, and terminals are described. In one example method, a terminal determines physical uplink control channel PUCCH channel resource configuration information. The PUCCH channel resource configuration information is used to instruct the terminal to send uplink control information based on a configured PUCCH channel resource, and the PUCCH channel resource configuration information is preconfigured, or is sent by a network device. The terminal sends the uplink control information based on the PUCCH channel resource configuration information using the configured PUCCH channel resource. The uplink control information includes one or a combination of downlink data acknowledgement information, a downlink channel state information, a scheduling request, and buffer state information.
US10973017B2 Extending physical downlink control channels
Methods and apparatuses for transmitting and receiving at least one Downlink Control Information (DCI) in a communication system supporting Carrier Aggregation (CA) are provided. The method for receiving includes receiving information representative of presence of carrier indicator by higher layer signaling from a Node B; receiving information representative of at least one cell indicator by higher layer signaling from the Node B; defining an UE specific search space based on aggregation level, an UE ID, and at least one carrier indicator value, where the UE specific search space includes a set of Physical Downlink Control CHannel (PDCCH) candidates based on the aggregation level; decoding at least one PDCCH including at least one DCI respectively by the UE ID; and acquiring the at least one DCI, wherein the at least one carrier indicator value is based on the at least one cell indicator.
US10973009B2 CSI reporting method, CSI receiving method, and apparatus
The present invention relates to the field of communications technologies, and in particular, to a CSI reporting method, a CSI receiving method, and an apparatus, to resolve a technical problem that PUCCH resource overheads are relatively large during CSI reporting. In embodiments of the present invention, at least two PUCCH resources are configured for each downlink carrier group. CSI that needs to be reported in one uplink subframe may be obtained, and a format of a corresponding PUCCH resource is determined according to the to-be-reported CSI. For example, the determined format is referred to as a first format. Then, all of the to-be-reported CSI is reported after being added to a first first-format PUCCH resource.
US10973007B2 Wireless communications for uplink preemption and downlink preemption
Systems, apparatuses, and methods are described for wireless communications. A wireless device may have different capabilities for downlink preemption and uplink preemption. A base station may assign a first radio network temporary identifier (RNTI) for downlink preemption and a second RNTI for uplink preemption. The wireless device may receive downlink control information indicating, based on the first RNTI or the second RNTI, a downlink preemption or an uplink preemption.
US10973006B2 Method, mobile station, and network apparatus for transmitting service
Disclosed in the present invention are a method, mobile station, and network apparatus for transmitting a service. The mobile station employs, by means of SPS, a first resource allocation parameter set to transmit a current service. When a requirement of the service changes, the network apparatus instructs, via a control signaling, the mobile station to replace the first resource allocation parameter set with a second resource allocation parameter set, and employ the second resource allocation parameter set to transmit the service having the changed requirement, or to employ a second resource allocation parameter set along with the first resource allocation parameter set to transmit the service having the changed requirement. The method, mobile station and network apparatus for transmitting a service in the embodiments of the present invention save signaling costs by completing SPS re-configuration with less control signaling.
US10973001B2 Methods and apparatus for optimizing paging mechanisms using device context information
Methods and apparatus enabling a wireless network to optimize paging channel operation, based on mobile device context information. In one embodiment, the wireless network is a cellular network (e.g., LTE-Advanced), and both base stations and cellular user devices dynamically exchange and maintain a paging agreement. The paging agreement limits the paging channel operation, thereby minimizing unnecessary scanning and usage of irrelevant radio resources. Such paging mechanisms are limited to the air interface between the base station and the mobile device, and are compatible with existing legacy devices and network entities. Networks with appropriately enabled user devices may improve their resource utilization. Base stations may advantageously reclaim freed-up cellular resources to support other services.
US10972999B2 Method for determining paging area, access network node and core network node
The present disclosure provides a method for determining a paging area, an access network node and a core network node. The method for use in the access network node includes: acquiring indication information indicating the allocation of the paging area for a UE; determining the paging area for the UE in accordance with the indication information; and notifying the UE of the paging area.
US10972994B2 Timing adjustment in CV2X
An aspect of the present disclosure includes methods, systems, and computer-readable media for receiving a first timing reference signal and a second timing reference signal at a local device, wherein the second timing reference signal includes an internal timing reference, receiving a timing indication from a remote device, calculating a timing offset from at least one of a propagation delay, the timing indication, or the first timing reference signal, adjusting the internal timing reference based on the timing offset, and transmitting a message based on the internal timing reference.
US10972985B2 Power control for ACK/NACK formats with carrier aggregation
A system and method for determining a Physical Uplink Control Channel (PUCCH) power control parameter h(nCQI,nHARQ) for two Carrier Aggregated (CA) PUCCH formats-PUCCH format 3 and channel selection. The value of h(nCQI,n HARQ) may be based on only a linear function of nHARQ for both of the CA PUCCH formats. Based on the CA PUCCH format configured for the User Equipment (UE), the e-Node B (eNB) may instruct the UE to select or apply a specific linear function of nHARQ as a value for the power control parameter h(nCQI, nHARQ), so as to enable the UE to more accurately establish transmit power of its PUCCH signal. Values for another PUCCH power control parameter-ΔF_PUCCH(F) are also provided for use with PUCCH format 3. A new offset parameter may be signaled for each PUCCH format that has transmit diversity configured.
US10972981B2 Method for performing DRX operation in wireless communication system and a device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing DRX operation in wireless communication system, the method comprising: generating a MAC PDU including an indicator indicating the MAC PDU is a last MAC PDU to be transmitted to an eNB if the generated MAC PDU is a last MAC PDU to be transmitted to the eNB; transmitting the MAC PDU including the indicator; and starting using a DRX cycle right after the UE considers that the transmission of MAC PDU is successful.
US10972980B2 AP STA and non-AP STA configured for multi-band link-aggregation in next-generation WLANS
An apparatus for implementing power control for a radio device that has multiple radio transceivers operating in different bands, including sub-bands of a single frequency band. The device implements a power control protocol for communications between the device and a similar peer device. The device sets-up the power control protocol by generating a request to use one of the multiple bands to signal power control operations, and to use another one of the multiple bands to transfer data between the device and the peer device. The device sends the request to the peer device and receives a response. Based on the response, the device identifies a control channel band and a data channel band from among the multiple bands.
US10972979B2 Technologies for associating an offline Wi-Fi system with a wireless access point
A method according to one embodiment includes establishing, by Bluetooth Low Energy (BLE) circuitry of an access control device, a BLE communication connection with a first mobile device while a main microprocessor and a Wi-Fi circuitry of the access control device are in sleep states; waking, by the access control device, the Wi-Fi circuitry of the access control device from the sleep state in response to establishing the BLE communication connection with the mobile device; establishing, by the Wi-Fi circuitry of the access control device, a Wi-Fi communication connection with an access control server in response to waking the Wi-Fi circuitry from the sleep state; and receiving, by the access control device and from the access control server via the Wi-Fi communication connection, access control data for the access control device transmitted from a second mobile device to the access control server.
US10972978B2 Electronic tag system and method of updating electronic tag information
An electronic tag system and a method of updating electronic tag information are provided. The electronic tag system includes: a communication device, configured to receive updated annual inspection information; a display device, configured to display the updated annual inspection information; and a power control device, connected to the communication device and the display device respectively and configured to: connect, when the communication device receives the updated annual inspection information, a power source to the display device electrically to power the display device, so as to perform updating of annual inspection information on the display device; and disconnect the power source from the display device when the updating is over.
US10972977B2 Signal sending method, signal receiving method, and apparatuses
The disclosure discloses a high-efficiency short training field sequence generation method, a signal sending method, a signal receiving method, and related apparatuses, where the high-efficiency short training sequence generation method includes: increasing frequency domain density of a frequency domain sequence corresponding to a first high-efficiency short training field sequence to generate a frequency domain sequence with increased frequency domain density; generating a second high-efficiency short training field sequence according to the frequency domain sequence with increased frequency domain density; and using the second high-efficiency short training field sequence as a high-efficiency short training field sequence in a preamble sequence of a data transmission frame in a wireless local area network WLAN. In embodiments of the disclosure, a cycle of a high-efficiency short training field sequence used for performing stage-2 AGC adjustment in the WLAN may be increased, and a maximum CSD value that can be used is further increased.
US10972968B2 Selecting a 5G cell within a wireless communication network
Systems and methods discussed herein are directed to selecting and attaching to different cells within wireless communication networks when multiple cells are available. An electronic device determines that a 5G new radio (NR) radio access topology and a non-standalone radio access topology are available within a wireless communication network. The electronic device obtains a bandwidth index for the NR radio access topology and a bandwidth index for the non-standalone radio access topology and compares the two bandwidth indices. Based at least in part on results of the comparison, the electronic device selects one of either (i) the NR radio access topology or (ii) the non-standalone radio access topology and attaches to the selected topology.
US10972966B2 Managed flooding for bluetooth mesh networks
A multi-hop mesh network comprising a plurality of nodes, the plurality of nodes each comprising a receiver, a transmitter, a controller and memory storing program instructions. The plurality of nodes are suitable for participating in data relaying within the network. The plurality of nodes comprise a plurality of source nodes and a plurality of relay nodes. The plurality of source nodes advertise, via the respective transmitter at least one message in one or more advertising events, and adapt the duration of the advertising event. Each advertising event comprises the at least one message being advertised over one or more primary advertising channels. The plurality of relay nodes scan each of the one or more primary advertising channels to receive, via the respective receiver, the at least one message, and relay, via the respective transmitter, the at least one message, and adapt the duration of the scan of the one or more primary advertising channels based on reception of the at least one message during scanning.
US10972955B2 Mobile terminal and data transmission method
Described herein includes a mobile terminal, a data transmission method and a related product used in a mobile terminal. The method comprises: in response to detecting a starting request for a preset application, starting an enhanced signal transceiver function of a mobile terminal; performing scanning and connecting operations and establish an Ad Hoc network with another device, wherein a distance between the another device and the mobile terminal is less than or equal to a preset distance; and performing transmission of target data in the Ad Hoc network. The embodiments of the present disclosure are conducive to enlarging an application scope of a communication function of a local area network for mobile terminals, meeting various requirements of specific scenarios such as the absence of a mobile network, and expanding functionality and applicability.
US10972949B2 Sleep-state for mobile terminal and service initiation for mobile terminals in sleep-state
The invention relates to the initiation of a service to a mobile terminal capable of communicating via at least a first and second access network. Further, the invention relates to a reduction of power consumption of mobile terminals supporting connectivity to at least two access networks. The invention also relates to mobile communication systems and in particular to mobile communications through heterogeneous access networks. In order to prove improved method for initiating services to mobile terminals and/or to reduce power consumption of mobile terminals, the invention introduces of a sleep state that can be entered by the terminal for an access system if same is not used. Upon requesting a service from/to the mobile terminal, the mobile terminal starts service initiation through a second access system and transits back to active state for the first access system for service provision.
US10972947B2 Secure packet data convergence protocol (PDCP) version change
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a message that indicates a change from an evolved universal mobile telecommunications system (UMTS) terrestrial radio access (E-UTRA) packet data convergence protocol (PDCP) to a New Radio (NR) PDCP, wherein the message includes an instruction to perform an intra-cell handover; generate one or more security keys based at least in part on receiving the message that includes the instruction to perform the intra-cell handover; and communicate using the one or more security keys after the intra-cell handover is performed. Numerous other aspects are provided.
US10972945B2 Method for handover between secondary base stations, network device, and user equipment
Embodiments of the present invention provide a method for handover between secondary base stations, a network device, and user equipment. The network device instructs each of at least one candidate secondary base station to make a prior path handover preparation, so that each of the at least one candidate secondary base station waits to be selected by user equipment as a target secondary base station. The path handover preparation includes at least one of the following: preconfiguring an access resource for the user equipment or establishing a data transmission channel with the network device. The user equipment is handed over to the target secondary base station in the at least one candidate secondary base station according to configuration information of each of the at least one candidate secondary base station when the user equipment needs path handover.
US10972943B2 Smart channel selection for low bandwidth IoT clients
In one embodiment, a supervisory device for a wireless network classifies each client of a set of access points in the wireless network as either an Internet of Things (IoT) device or a non-IoT device. The supervisory device selects, for each of the access points in the set, a channel width based on the classifications of its clients. The supervisory device assigns, for each of the access points in the set, one or more wireless channels for use by that access point, based on the selected channel width for that access point. The supervisory device instructs the access points in the set to use their assigned channels to communicate with their clients.
US10972941B2 Front-haul transport network, data transmission method, apparatus and computer storage medium
A front-haul transport network and a data transmission method, the front-haul transport network including: an access type front-haul transport node (FTN-ACC), used for connecting to a remote radio unit (RRU); an aggregate type front-haul transport node (FTN-AGG), one end of which is connected to the FTN-ACC and the other end of which is connected to baseband processing units (BBUs); at least two transmission channels having different transmission delays are established between the FTN-ACC and the FTN-AGG, the FTN-ACC and/or the FTN-AGG being specifically used for selecting a corresponding transmission channel for carrying out transmission according to time delay requirements for data.
US10972937B2 Group indicator for code block group based retransmission in wireless communication
Aspects of the present disclosure provide a code block group (CBG) based HARQ retransmission process in which HARQ retransmission is performed based on CBG units. The CBG based HARQ process uses a CBG failure mask that can reduce the signaling overhead of CBG-based HARQ retransmissions. A base station can determine the error CBGs from different UEs that share a slot, and generate a CBG failure mask that capture all the CBGs NACKs from the UEs.
US10972932B2 Methods, apparatus and systems relating to data radio bearer inactivity
An exemplary method is performed by a distributed unit of a base station. The base station further comprises a centralized unit. The method comprises: determining (1302) inactivity of one or more data radio bearers, established between the distributed unit and a user equipment, for carrying user data; determining (1304) a level of activity of one or more signalling radio bearers, established between the distributed unit and the user equipment, for carrying control data; and determining (1306), based on the level of activity of the one or more signalling radio bearers, whether to transmit, to the centralized unit, a report message comprising an indication of the activity of the one or more data radio bearers.
US10972927B2 Method for monitoring control signal of terminal in wireless communication system and terminal using the same
A method of monitoring a control signal in a wireless communication system, where the method is performed by a user equipment (UE) and includes: selecting at least one control resource set (CORESET) among a plurality of CORESETs based on an overlap between physical downlink control channel (PDCCH) monitoring occasions in the plurality of CORESETs; and monitoring a PDCCH only in the selected at least one CORESET, among the plurality of CORESETs. The method also includes: based on the at least one CORESET including a first CORESET, and based on a first reference signal of the first CORESET and a second reference signal of a second CORESET being associated with a same synchronization signal/physical broadcast channel block (SSB): monitoring the PDCCH in both the first CORESET and the second CORESET.
US10972926B2 Mechanism to support RRM measurement in new radio access system with beamforming
Apparatus and methods are provided to for RRM measurement in the new radio (NR) access system. In one novel aspect, multiple transmission (TX) beams are measured by a user equipment (UE) with multiple receiving (RX) beams, stores the measured TX-RX pair in a measurement matrix, and calculates a consolidation measurement for each cell based on a consolidation rule. In one embodiment, the consolidation rule indicates generating a RX consolidated vector by consolidating all RX beams with the same TX beam ID, and subsequently, generating the consolidation measurement for the cell based on the RX consolidated vector. In another embodiment, the measurement matrix is layer-3 filtered and consolidated. In yet another embodiment, the UE sends a measurement report, either contains the consolidated measurement or the measurement vector, to the NR network based on the consolidation measurement. In one embodiment, the network performs consolidation on the received measurement vector.
US10972925B2 Ultra reliable link design
Techniques are described for wireless communication. A first method includes measuring, by a first device, a condition of a wireless channel; and generating at least one channel side information feedback message based on the measured condition of the wireless channel. The at least one channel side information feedback message provides information on a relationship of a set of parameters, including a data rate parameter, an error probability parameter, and at least one of a deadline parameter or a transmission link parameter. A second method includes measuring, by a first device, interference on a wireless channel; identifying an interfering device for the wireless channel based on the measurement; and generating a channel side information feedback message based on the measured interference on the wireless channel. The channel side information feedback message indicates the interfering device for the wireless channel and a correlation of interference from the interfering device with time or frequency.
US10972924B2 Beam-based multi-connection communication method, terminal device, and network device
The present invention relates to a beam-based multi-connection communication method, a terminal device, and a network device. The method may include the following: Based on a multi-beam connection established between a terminal and a base station, the terminal further selects a dedicated message beam from a common message range of the base station based on a measurement result of an uplink pilot, or the base station selects a dedicated message beam from a common message range of the base station based on a measurement result of a downlink pilot; and the terminal or the base station chooses to delete at least one established beam connection. By selecting and deleting a multi-beam connection between the terminal and the base station, a high-quality beam connection is maintained, and interruption of data transmission between the base station and terminal is avoided, thereby ensuring normal communication between the base station and the UE.
US10972923B2 Information processing method and device
An information processing method and device are provided. The information processing method includes: obtaining link state information of a target link; determining whether link exception exists in the target link or not according to the link state information; and when the link exception is determined to exist in the target link, transmitting link exception indication information to a primary node, wherein the link exception indication information is used to indicate to the primary node that the link exception exists in the target link.
US10972918B2 Method and apparatus for mobile network designing
A method for a mobile network, which mobile network is formed of cells. The method includes determining a weight factor between two cells of the mobile network, which determination of the weight factor includes calculating a distance factor between the cells, calculating an angle factor between the cells, and calculating the weight factor between the cells with an exponential function of the distance factor and the angle factor. The weight factors between the cells may be used for determining network parameters of a mobile network.
US10972914B2 Image sharing method and system, and electronic device
An image sharing method is implemented on a first electronic device having a touchscreen includes establishing, by the first electronic device, a first wireless link with a second electronic device by using a short-range wireless communications technology. The method further includes sending, by the first electronic device, face feature information to the second electronic device over the first wireless link. The method further includes receiving, by the first electronic device, a matching result sent by the second electronic device. When the first electronic device determines that the matching result is matching success information, the method further includes sending, by the first electronic device, an image (for example, a photo or a video) corresponding to the face feature information to the second electronic device.
US10972913B2 Method for performing V2X communication in wireless communication system and device for same
Disclosed are a method for performing V2X communication in a wireless communication system and an apparatus therefor. Specifically, a method for supporting, by a base station, a user equipment (UE) to perform vehicle-to-everything (V2X) communication with a vehicle through a PC5 interface in a wireless communication system may include: receiving a sidelink UE information message for requesting resource allocation for the V2X communication through the PC5 interface from a UE in a limited service state; checking whether the UE has a capability to use the V2X communication with an emergency packet data network (PDN) connection or whether the UE is authorized to perform the V2X communication; and allocating a resource for the V2X communication when the UE has the capability to use the V2X communication with the emergency (PDN) connection or the UE is authorized to perform the V2X communication.
US10972911B2 Location-based credential selection for wireless transactions
The present disclosure includes an electronic device for selecting a credential based at least in part on location information. The electronic device can include a secure transaction subsystem and a processor. The secure transaction subsystem can be configured to store a plurality of credentials. The processor can be communicatively coupled to the secure transaction subsystem and configured to receive the location information from one or more radios. Further, the processor can be configured to determine that a distance between the electronic device and a terminal is less than a predetermined distance based on the location information. In response to determining the distance between the electronic device and the terminal is less than the predetermined distance, the processor can be configured to select the credential from the plurality of credentials based at least in part on the type of terminal.
US10972906B2 Multi-line mobile service with dynamic MSISDN association
A network device receives a location update message from a mobile network switch. The location update message indicates that a mobile device is registered with the mobile network switch. The location update message includes an international mobile subscriber identity (IMSI) associated with the mobile device. The network device determines, based at least on the IMSI, a plurality of MSISDNs associated with the mobile device, including a first MSISDN that is enabled for calling and a second MSISDN that is not enabled for calling. The network device transmits, in response to the location update message, subscriber data to a database associated with the mobile network switch, which associates the IMSI with the first MSISDN.
US10972902B1 Managing concurrent access to universal integrated circuit cards
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify an ongoing operation associated with a file of a universal integrated circuit card coupled to the UE. The UE may identify a request to access the file during the ongoing operation. The UE may suspend the request to access the file during the ongoing operation. The UE may process the request to access the file after completion of the ongoing operation. Numerous other aspects are provided.
US10972893B1 Cellular vehicle to everything assisted next generation emergency call
A method is presented. The method includes receiving a trigger for establishing an emergency call at a first vehicle and determining, in response to the trigger, whether a communication system associated with the first vehicle currently has access to a first wireless communications network. The method also includes searching for a second wireless communications network when the communication system currently does not have access. The method further includes searching for a second vehicle with peer-to-peer wireless access capability when the second wireless communications network is not found. The method still further includes transmitting vehicle related data to the second vehicle via the peer-to-peer wireless access capability when the second vehicle is found.
US10972892B2 Systems and methods for emergency notification
A system and method for emergency notification comprising a notification module that transmits a message to a pre-established contact when one or more conditions are met.
US10972891B2 Automated medical item delivery apparatus
A computer-implemented method for automated delivery of a medical item. The method receives registration information for a plurality of trained users. The registration information includes a registration code indicating that a user is trained in a use of a medical item. The method tracks locations of the trained users via an end user device of the trained users. The method receives a medical alert indicating a medical emergency at a location. The method identifies a medical item that would assist in the medical emergency. The method identifies a trained user near the location corresponding to the medical emergency trained in use of the medical item. The method dispatches an autonomous delivery device to deliver the medical item to the location corresponding to the medical alert. The method alerts the trained user that the medical item is being dispatched to the location of the medical emergency.
US10972887B2 Method for transceiving signal by terminal and base station in wireless communication system and device supporting same
Various embodiments provide a method for transceiving a signal by a terminal and a base station in a wireless communication system and a device supporting same.
US10972886B2 Dynamic antenna array pattern switching in wireless systems
An example method of operating a device includes using a switching circuitry to a first subset of antennas from an antenna cluster, using the first subset of antennas to receive a first Bluetooth signal, generating a first directional value of the first Bluetooth signal, using a processing element to evaluate at least one antenna of the antenna cluster based at least partly on the first directional value, selecting a second subset of antennas based on evaluation, using the second subset of antennas to receive a second Bluetooth signal, and generating a second directional value of the second Bluetooth signal. Other embodiments of the device and operations thereof are also disclosed.
US10972884B2 Rules-based ride security
A method includes receiving, through the user interface of a user device of a user, a request for a ride from the user; assigning a driver to provide the ride for the user; according to one or more application rules associated with the request for the ride, providing the driver with access to information uniquely identifying the user or a rider.
US10972881B1 System, method, and computer program for network slice charging management
As described herein, a system, method, and computer program are provided for managing charging for network slices. In use, a network slice management function manages a lifecycle of a network slice instance. Additionally, the network slice management function monitors the network slice instance for one or more chargeable events. Further, the network slice management function detects a chargeable event of the one or more chargeable events for the network slice instance, based on the monitoring. Still yet, the network slice management function triggers charging for the chargeable event.
US10972879B2 Communication terminal, communication method, computer readable recording medium having communication program recorded, and network system
A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.
US10972877B2 Radio terminal and base station
A user equipment supports MBMS (Multimedia Broadcast Multicast Service) transmission using SC-PTM (Single Cell Point-To-Multipoint). The user equipment receives an MBMS service from a base station via SC-MTCH (Single Cell Multicast Traffic Channel). The user equipment receives, from the base station, MAC (Medium Access Control) CE (Control Element) indicating a suspension of transmission of the MBMS service via the SC-MTCH. The user equipment determines that the transmission of the MBMS service via the SC-MTCH is suspended in response to the reception of the MAC CE.
US10972871B2 Method, non-transitory computer readable storage medium, device and system
Techniques for controlling updating of information stored on a device, the information including information of a first type and information of a second type. The techniques include determining, using at least one processor, when a first item of information of the first type and a second item of information of the second type are to be updated, wherein the second item of information is to be updated more frequently than the first item of information; and causing the device to update the first and second items of information in accordance with the determination at least in part by wirelessly communicating with at least one other device.
US10972870B2 Downlink data transmission method and apparatus
Embodiments of this application provide a downlink data transmission method and apparatus. The method includes: receiving, by a user plane device, downlink data of a terminal, sending, by the user plane device, the downlink data by using a shared bearer to an access network device that is in a tracking area of the terminal, receiving, by the access network device, a context setup request message sent by a control plane device, setting up, by the access network device, a radio bearer between the access network device and the terminal based on the context setup request message, and sending, by the access network device, the downlink data to the terminal by using the radio bearer. In this way, a downlink data transmission delay is reduced and downlink data transmission efficiency is improved.
US10972869B2 Dynamically maintaining walking profile for time estimation
Systems and methods for dynamically maintaining and utilizing walking profiles for time estimations in service scheduling are provided. A networked system detects usage of an application on a user device. In response to the detecting, the networked system accesses environmental condition data at a location associated with a user of the user device, whereby the environmental condition data comprises one or more environmental condition affecting the location. The networked system accesses walking pace data from the user device, whereby the walking pace data represents a current walking pace of the user and correlates the walking pace data with the environmental condition data. Using the correlated data, the networked system adjusts a parameter in a walking profile of the user. The walking profile is then used to determine time estimates that are used to schedule services that require walking by a user.
US10972868B2 Adaptive inter-ranging network
An illustrative embodiment disclosed herein is a network including a first local group of first node devices, a second local group of second node devices, and a new node device. The new node device has a processor with programmed instructions to range to each of the first node devices, collect ranging data from each of the first node devices, calculate a plurality of distances based on the ranging data, and send the plurality of distances to each of the second node devices.
US10972866B1 Foot traffic management system
Systems and methods are described for dynamically updating the floor plan of a retail store, and for associating retail transactions with particular mobile devices, based on detection and attribution of foot traffic within the store. A foot traffic attribution system detects mobile devices accessing a wireless network. The foot traffic attribution system uses information obtained from the mobile devices to determine foot traffic data, such as locations of mobile devices relative to item display areas, direction of travel of mobile devices, durations of time spent in various areas, and similar information. The foot traffic attribution system then attributes the foot traffic data to items on display and/or item display areas in the current floor plan, and determines an updated floor plan. The foot traffic attribution system may also access retail transaction data, and may use the foot traffic data to associate retail transactions with particular mobile devices.
US10972858B2 Method for processing an audio signal in accordance with a room impulse response, signal processing unit, audio encoder, audio decoder, and binaural renderer
A method for processing an audio signal in accordance with a room impulse response is described. The audio signal is separately processed with an early part and a late reverberation of the room impulse response, and the processed early part of the audio signal and the reverberated signal are combined. A transition from the early part to the late reverberation in the room impulse response is reached when a correlation measure reaches a threshold, the threshold being set dependent on the correlation measure for a selected one of the early reflections in the early part of the room impulse response.
US10972855B2 Location information through directional sound provided by mobile computing device
A mobile computing device that provides location information through directional sound is described herein. The mobile computing device includes a location detection system that provides location signals corresponding to a user location and a destination location, such as a vehicle location or a vertex of a predefined travel route, to a spatial audio generation system to define a spatial audio signal based on a direction from the user location to the destination location. The spatial audio signal is provided to an audio device of the mobile computing device that outputs the spatial audio signal as directional sound having a locus at the destination location.
US10972854B2 Method for transmitting audio signal and outputting received audio signal in multimedia communication between terminal devices, and terminal device for performing same
Provided are a method and an apparatus for increasing call quality while reducing consumption of bit rates in immersive multimedia communication. A method of transmitting, by a terminal device, an audio signal to a counterpart terminal device, includes: extracting head tracking information of a user of the counterpart terminal device from a packet received from the counterpart terminal device; predicting a head direction of the user of the counterpart terminal device after a predetermined time period, based on the extracted head tracking information; generating audio output signals by combining audio input signals received via a plurality of microphones, based on the predicted head direction; and transmitting information about the predicted head direction and a sound frame in which the audio output signals are compressed, to the counterpart terminal device.
US10972852B2 Adapting audio streams for rendering
In general, techniques are described for adapting audio streams for rendering. A device comprising a memory and one or more processors may be configured to perform the techniques. The memory may store a plurality of audio streams that include one or more sub-streams. The one or more processors may determine, based on the plurality of audio streams, a total number of the one or more sub-streams for all of the plurality of audio streams, and adapt, when the total number of the sub-streams is greater than a render threshold, the plurality of audio streams to decrease the number of the one or more sub-streams and obtain an adapted plurality of audio streams. The one or more processors may also apply the renderer to the adapted plurality of audio streams to obtain the one or more speaker feeds, and output the one or more speaker feeds to one or more speakers.
US10972850B2 Head mounted display processes sound with HRTFs based on eye distance of a user wearing the HMD
A head mounted display (HMD) determines a distance between eyes of a user wearing the HMD, and head-related transfer functions (HRTFs) are selected based on the eye distance. The HMD displays a virtual image to the user and processes sound with the HRTFs into binaural sound that externally localizes at the virtual image. The HMD that determines the distance between the eyes of the user is also the HMD that displays the virtual image and processes the sound with the HRTFs.
US10972849B2 Electronic apparatus, control method thereof and computer program product using the same
An electronic apparatus includes a memory configured to store instructions; and a processor configured to execute the instructions to: separate an input audio signal into a plurality of channel signals; identify a gain corresponding to a feature difference between a first channel signal, from among the plurality of channel signals, and a second channel signal, from among the plurality of channel signals; and adjust relative ratios among a plurality of output signals according to the identified gain to generate an output audio signal in which a sound image is varied.
US10972848B2 MEMS transducer system and associated methods
The disclosure provides a system, comprising: a MEMS capacitive transducer, comprising one or more first capacitive plates coupled to a first node and one or more second capacitive plates coupled to a second node; biasing circuitry coupled to the first node, operable to provide a biasing voltage to the one or more first capacitive plates; and test circuitry coupled to the second node, operable to: selectively apply one or more current sources to the second node, so as to charge and discharge the MEMS capacitive transducer and so vary a signal based on a voltage at said second node between an upper value and a lower value; determine a parameter that is indicative of a time period of the variation of the signal; and determine a capacitance of the MEMS capacitive transducer based on the parameter that is indicative of the time period.
US10972847B2 Calibration method for hearing protection devices
Embodiments relate generally to hearing protection devices which incorporate a calibration mode which allows the user to perform a calibration test to determine an individualized hearing threshold. Embodiments of the device may also comprise a normal mode to prevent input signals greater than the individualized hearing threshold from being transmitted to the user's ear canal. In addition, embodiments may comprise a normal mode configured to limit input signals to less than or equal to a standard industry threshold in the case no calibration test has been completed by the user. This may increase user comfort and prevent hearing damage.
US10972844B1 Earphone and set of earphones
The invention provides an earphone and a set of earphones. The earphone includes a processing circuit and a filtering module. The processing circuit acquires a first speech signal and performs a pre-processing operation on the first speech signal to generate a second speech signal. The filtering module includes high-pass, low-pass, and band-pass filters. The processing circuit is further configured to: receive first, second, and third signals respectively from the high-pass, low-pass, and band-pass filters; perform a noise reduction operation on the second and third signals to generate a fourth signal; and perform a signal synthesis operation on the first and fourth signals to synthesize the first and fourth signals to form an output speech signal.
US10972838B2 Electronic furniture systems with speaker tuning
An electronic furniture assembly of the present invention comprises: (i) a furniture assembly comprising: (A) a base (e.g., a seat portion), (B) at least one transverse member (e.g., a side, armrest or backrest), and (C) a coupler for selectively coupling the base to the transverse member; (ii) an electrical hub for providing electrical power to the speakers, the hub configured to selectively reside within the furniture assembly; and (iii) a speaker system mounted within one or more portions of the furniture assembly. The speaker system comprises one or more speakers mounted within the base and transverse member, hiding the speakers therein, and saving space within a home or office, using the same footprint for both furniture and speakers, providing a high fidelity surround sound system.
US10972834B1 Voice detection using ear-based devices
This disclosure describes techniques for detecting voice commands from a user of an ear-based device. The ear-based device may include an in-ear facing microphone to capture sound emitted in an ear of the user, and an exterior facing microphone to capture sound emitted in an exterior environment of the user. The in-ear microphone may generate an inner audio signal representing the sound emitted in the ear, and the exterior microphone may generate an outer audio signal representing sound from the exterior environment. The ear-based device may compute a ratio of a power of the inner audio signal to the outer audio signal and may compare this ratio to a threshold. If the ratio is larger than the threshold, the ear-based device may detect the voice of the user. Further, the ear-based device may set a value of the threshold based on a level of acoustic seal of the ear-based device.
US10972833B2 Methods and systems for optimizing acoustic transducer performance
A method of optimizing acoustic transducer performance, and corresponding system, can include mechanically coupling a transducer to a fluid barrier, calibrating the acoustic transducer by measuring response as a function of drive frequency to determine one or more optimum drive frequencies, optimized for the transducer actually coupled to the fluid barrier, and storing the one or more optimum drive frequencies for use in operating the acoustic transducer. Shims may also be used between the transducer and fluid barrier, such as a boat hull, to optimize transducer performance. Embodiments can enable improved in-hull transducer depth sounding, as well as improved fluid level measurements in tanks.
US10972828B2 Headphone with a headband friction mechanism
A headphone (1) comprising a first earphone (2) and a headband (3) to be arranged around the head of a user The headband (3) comprises a first headband part (4) and a second headband part (5), which are slidably connected to each other, so that the length of the headband (3) can be adjusted in a longitudinal direction (Y). There is provided a controlled friction mechanism, that controls the friction between the first headband part (4) and the second headband part (5). The friction mechanism comprises a first cantilever (8) comprised by the second headband part (5) and a first friction element (11) of elastomeric abutment material, which is attached to the first cantilever (8) and which due to elastic deformation of the first cantilever (8) abuts and exerts a force against a first contact area of the first headband part (4).
US10972827B2 Earphone housing with integrated tuning features
Custom in-ear monitors (headsets, headphones, earbuds, hearing aids) having improved audio fidelity characteristics and improved manufacturability are constructed by designing a virtual three-dimensional model housing including sound and vent tubes, and equipment mounting receptacles and clips; and fabricating the housing substantially simultaneously or all-in-one-go using, e.g., a 3D printer. The sound and vent tubes comprise features such as inflection points and profile variations that are impossible to construct using traditional subtractive manufacturing processes.
US10972826B1 Head mounted display and driving method thereof
A head mounted display including a main body, a sound controller, a vibration driver, a motion sensor, a vibrator and a speaker is provided. The main body has a display device. The sound controller is electrically connected to the main body. The vibration driver is electrically connected to the sound controller. The motion sensor is configured to sense a motion state of the main body. The vibrator is electrically connected to the vibration driver. The vibration driver receives a vibration signal from the sound controller, adjusts the vibration signal as needed according to the motion state and then drives the vibrator to generate vibration by the vibration signal. The speaker is electrically connected to the sound controller. The speaker outputs a sound according to a sound signal received from the sound controller. A driving method of a head mounted display is also provided.
US10972825B2 Low power wireless charging using tuned NFC for headphone devices
Various systems and methods may be used to provide charge to a battery and play audio. For example, a wireless headphone device may include one or more coils, such as a first coil which may be actuatable at an audio frequency. The first coil or a second coil may be tuned to a charging frequency to receive a charge (e.g., via induction) from a charging device. In an example, the wireless headphone device may be a true wireless headphone device. In an example, the true wireless headphone device includes a single coil, which is actuatable to play sound as well as receive a charge at a charging frequency.
US10972823B2 In-ear headphones with an ergonomic cushion and an ergonomic cushion thereof
The present invention is directed to a headphone or an earpiece that includes a cushion that advantageously allows for improved comfort, sound quality, and stability in the ear. The cushion includes an inner cavity, an ear-canal aperture and a tip portion, wherein the inner cavity of the cushion accommodates a nozzle portion of a housing within the cavity, and the axis of the inner cavity is substantially parallel to the first axis, and wherein the ear-canal aperture opens toward the ear canal of the user's ear when the headphone or the earpiece is worn by the user. A speaker element is positioned inside the nozzle portion of the housing, and the center of mass of the headphone is shifted close to a center plane of the cushion.
US10972822B2 Headphones with an ergonomic cushion and an ergonomic cushion thereof
The present invention is directed to a headphone or an earpiece that includes a cushion that advantageously allows for improved comfort, sound quality, and stability in the ear. The cushion includes an inner cavity, an ear-canal aperture and a tip portion, wherein the inner cavity of the cushion accommodates a nozzle portion of a housing within the cavity, and the axis of the inner cavity is substantially parallel to the first axis, wherein the ear-canal aperture opens toward the ear canal of the user's ear when the headphone or the earpiece is worn by the user, and wherein the tip portion engages the concha of the user's ear when the headphone or the earpiece is worn by the user, and the axis of the tip portion is not parallel to the first axis. The headphone or the earpiece includes dual acoustic elements to amplify sounds in different frequency ranges.
US10972821B2 MEMS microphone system with low pressure gap and back volume
A MEMS microphone system comprises a transducer die having a pierce-less diaphragm and a motion sensor suspended from the diaphragm. The system further comprises a housing and the diaphragm divided a volume inside the housing into a front volume and a back volume. The motion sensor suspended from the diaphragm is located in the back volume having a gas pressure that is substantially equal or lower than an ambient pressure.
US10972820B2 Display apparatus
A display apparatus includes a display panel configured to display an image and a sound generating device on a rear surface of the display panel. The sound generating device is configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a first passivation layer on one side of the first structure, at least a portion of the first passivation layer having a non-flat shape.
US10972817B2 Topology processing method, apparatus, and system
A topology processing method, apparatus, and system are provided. The topology processing method includes: obtaining, by a topology processing apparatus, a first onsite image collected from an optical distribution network ODN, where the first onsite image includes at least an imaging of a first port of a first ODN device, the first port is connected to a first cable, a first identification area used to identify the first cable is disposed on the first cable, and the first onsite image further includes at least an imaging of the first identification area on the first cable; and identifying, by the topology processing apparatus, the first cable based on the first identification area on the first onsite image, and identifying, based on the first onsite image, the first port connected to the first cable; and generating a first correspondence between the first ODN device, the first port, and the first cable.
US10972813B2 Electronic devices, methods, and computer program products for detecting a tag having a sensor associated therewith and receiving sensor information therefrom
An electronic device is operated by detecting a tag having a sensor associated therewith and being configured to transmit information over a defined distance using a short range wireless protocol, and receiving sensor information transmitted by the tag over the communication link.
US10972812B2 Automatically and programmatically generating crowdsourced trailers
Embodiments for automatically and programmatically generating content trailers in a crowdsourced manner are described herein. An embodiment operates by receiving interactions with streaming content performed by a plurality users who consumed the content, wherein the interactions are associated with a landing frame of the content. A point value is assigned to each of the interactions, and the point values of the interactions are accumulated for each of the landing frames. A subset of the interactions for a particular one of the landing frames that exceed a threshold point value is determined. From the subset, the interaction with the highest accumulated point value is selected and a trailer for the content is generated based on the selected interaction. The content and the trailer are provided.
US10972808B2 Extensible watermark associated information retrieval
A method of processing a data stream comprising: (a) receiving said data stream including a watermark message encoded within said data stream; (b) extracting a corresponding recovery file location from said watermark message; (c) receiving a recovery file based upon said recovery file location that includes a corresponding content identifier; (d) selectively extracting said content identifier from said recovery file when said content identifier is an object that includes properties of a pattern expression to express a constraint as a string, where said string is entertainment identifier register information.
US10972807B2 Dynamic watermarking of digital media content at point of transmission
Multimedia content, such as film or video, is streamed to a plurality of users with a unique watermark embedded for each user. The content is provided through asynchronous multicast transmission. Users may request the content at different times and receive a uniquely watermarked stream of the content upon request as a discrete, just-in-time transmission. Content is watermarked upon a request for the content by a user. In several embodiments, each user is associated with a unique user identifier that becomes associated with a unique watermark. Once a watermark is associated with a user, the association is stored so that the same unique watermark may be used for future content requested by the user.
US10972799B2 Media presentation device with voice command feature
A media presentation device determines a voice command associated with media content presented by the media presentation device. The media presentation device then listens for and detects utterance of the determined voice command during presentation of the media content, and the media presentation device responds to the detected utterance by performing an action that facilitates user purchase of the good or service associated with the media content segment.
US10972796B2 Digital device and method for controlling the same
A digital television includes a memory storing one or more applications; an interface to receive control signals; a display; and a controller to display an application execution screen of an application among the one or more applications, in response to receiving, via the interface, a first control signal, display a first menu including one or more icons related to the first control signal, in response to receiving, via the interface, a second control signal selecting an adding menu icon in the first menu, and receiving a third control signal selecting an icon included in the one or more icons in the first menu, display the selected icon and a left direction key and a right direction key around the selected icon with a second menu, and in response to receiving, via the interface, a fourth control signal, add the selected icon to the second menu.
US10972794B2 Content-modification system with transmission delay-based feature
In one aspect, a method includes determining a content-transmission delay between a content-distribution system and a content-presentation device. The method also includes using at least the determined content-transmission delay as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the determined content-transmission delay. The method also includes transmitting to the content-presentation device, the selected reference fingerprint data set that corresponds with the determined content-transmission delay to facilitate the content-presentation device detecting a match between query fingerprint data representing content received by the content-presentation device and at least a portion of reference fingerprint data in the transmitted reference fingerprint data set.
US10972791B1 Digital television, electronic device and control methods thereof
The present disclosure discloses a digital television, an electronic device, and control methods thereof. The digital television includes an expansion interface, a controller and a voltage converter. The controller is connected to the expansion interface, and is connected to an external electronic device through the expansion interface. The expansion interface is connected to the voltage converter, and the controller is configured to control the voltage converter to supply power to the external electronic device through the expansion interface. The controller is further configured to control the external electronic device to be turned on or turned off and communicate with the external electronic device through the expansion interface.
US10972787B2 Transmission method, reception method, transmitting device, and receiving device
A transmission method in the present disclosure includes; obtaining an image and image signal characteristics information indicating one of an opto-electrical transfer function (OETF) or an electro-optical transfer function (EOTF) as image signal characteristics of the image; and transmitting a signal including the image and the image signal characteristics information. According to the transmission method in the present disclosure, a receiving device that received a high dynamic range (HDR) image and a standard dynamic range (SDR) image transmitted through broadcasting or the like can display these images appropriately.
US10972784B2 Zone group control
Example techniques relate to a loss of control of a playback queue. An example implementation involves a playback device receiving, from a native controller, an instruction to add audio tracks to a queue, where, in a first mode associated with the native controller, the playback device is configured to play back from the queue. While the audio tracks are in the queue, the playback device receives, from a media player application associated with a particular wireless protocol, an instruction to play back a media item. In response, the playback device is configured to play back in a second mode associated with the particular wireless protocol, where, in the second mode, the queue is not in use. While playing back the media item, the playback device detects a loss of control by the media player application and configures the playback device to play back in the first mode.
US10972783B2 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
In a digital contents receiver for receiving transmitted digital contents, the digital contents include at least component information indicating an element which constitutes a program of the contents. When the component information indicates that the received digital contents are a 3D component, it is determined whether a display part corresponds to display of the 3D component. If the display part corresponds to display of the 3D component, the received digital contents are displayed in 3D.
US10972773B2 Coordinating video delivery with radio frequency conditions
System and methods for modifying streaming data based on radio frequency information is provided. As radio transceivers transition move to a shared resource or cloud model and the existing radio transceivers are split into a baseband unit and a remote radio head, radio frequency (RF) information including power levels, encoding, data rates, and bandwidth can be provided to video optimization server. The RF information can be provided more frequently to allow real-time modifications to streaming video data. Existing protocols are reactionary in nature and perceive changing channel conditions indirectly. By providing RF information from the baseband unit on a low latency channel, modifications to the video stream can be made before an impact would be noticed at the protocol level. Also, policy information can be used to influence the changes made to streaming data in addition to the RF information.
US10972772B2 Variable bit video streams for adaptive streaming
One embodiment of the present invention sets forth a technique for adapting playback bit rate in a content delivery system based on scene complexity of the video content as well as network conditions and other performance factors. A scene complexity map of the video content indicates the complexity levels of different scenes within the video content. Using the scene complexity map, a content player may download scenes of lower scene complexity levels from video streams encoded to lower bit rates to manage the bandwidth consumed to download the video content and allow for the downloading of scenes of higher complexity levels from video streams encoded to higher bit rates.
US10972769B2 Systems and methods for differential media distribution
Systems for electronic media distribution includes a differential versioning server configured to receive a first media file including a first set of data with a first set of attributes and a second media file including a second set of data with a second set of attributes, generate a first differential data file as a function of differences between the first media file and the second media file, and generate a first differential metadata file including an encoding data set configured to enable a media decoder to regenerate the second media file by applying the first differential data file to the first media file. Systems for electronic media distribution may also include a receiver communicatively coupled to a differential versioning decoder configured to receive the first media file and the first differential data file and generate the second media file by applying the first differential data file to the first media file.
US10972767B2 Device and method of handling multiple formats of a video sequence
A transmitter for handling multiple formats of a video sequence, comprises a preprocessing module, for receiving a first format of a video sequence, to generate metadata of a second format of the video sequence according to the first format of the video sequence and the second format of the video sequence; and an encoder, couple to the preprocessing module, for transmitting the first format of the video sequence and the metadata in a bit stream to a receiver.
US10972760B1 Secure testing of vehicle entertainment systems for commercial passenger vehicles
Vehicular systems located in commercial passenger vehicles are tested and maintained for operational effectiveness. This patent document describes techniques to perform secure testing on multiple seatback monitors that are located on or in seats in a commercial passenger vehicle and that are associated with a vehicle entertainment system. An example method can determine whether multiple sets of usernames and passwords received by a device authorize a person operating a test-related software on the device to securely test one or more groups of multiple seatback monitors in the commercial passenger vehicle. The example method can also enable selection of a group of multiple seatback monitors that can be specifically tested.
US10972757B2 Method and apparatus for encoding/decoding images
Disclosed are a method and apparatus for encoding/decoding images. The image-decoding method comprises the steps of: receiving a bit stream including information regarding an NAL unit type; and checking whether or not the NAL unit in the bit stream is a reference picture based on said information regarding an NAL unit type and decoding the NAL unit. The information regarding an NAL unit type indicates whether the NAL unit is a reference reading picture or not a reference reading picture.
US10972755B2 Method and system of NAL unit header structure for signaling new elements
A method and apparatus of video coding are disclosed. In the encoding side, video data are received, where a GDR (Gradual Decoding Refresh) picture type is supported by the encoding device. A syntax structure including a first syntax in NAL (Network Access Layer) unit header is generated, where an NAL unit type indicated by the first syntax comprises the GDR picture type. Encoded video data including the syntax structure from the video data are generated. A corresponding method and apparatus for the decoding side are also disclosed.
US10972753B1 Versatile tile coding for multi-view video streaming
Techniques are disclosed for coding and delivering multi-view video in which the video is represented as a manifest file identifying a plurality of segments of the video available for download. The multi-view video may be partitioned spatially into a plurality of tiles that, in aggregate, encompass the entire spatial area of the video. The tiles are coded as segments contains coded video representing content contained within its respective tile. Tiles may be given different sizes based on saliency of the content within their respective regions. In this manner, tiles with high levels of interest may have relatively large spatial areas, which can lead to efficient coding in the presence of content motion.
US10972737B2 Layered scene decomposition CODEC system and methods
A system and methods for a CODEC driving a real-time light field display for multi-dimensional video streaming, interactive gaming and other light field display applications is provided applying a layered scene decomposition strategy. Multi-dimensional scene data is divided into a plurality of data layers of increasing depths as the distance between a given layer and the plane of the display increases. Data layers are sampled using a plenoptic sampling scheme and rendered using hybrid rendering, such as perspective and oblique rendering, to encode light fields corresponding to each data layer. The resulting compressed, (layered) core representation of the multi-dimensional scene data is produced at predictable rates, reconstructed and merged at the light field display in real-time by applying view synthesis protocols, including edge adaptive interpolation, to reconstruct pixel arrays in stages (e.g. columns then rows) from reference elemental images.
US10972733B2 Look-up table for enhanced multiple transform
Example techniques are described to illustrate multiple transform applied for Intra prediction residual. It may be used in the context of advanced video codecs, such as extensions of HEVC or the next generation of video coding standards. A video encoder and a video decoder may select transform subsets that each identify one or more candidate transforms. The video encoder and the video decoder may determine transforms from the selected transform subsets.
US10972727B2 Method and an apparatus for processing a video signal based on inter-component reference
A method and apparatus for processing a video signal according to the present invention derives a first prediction value of a chrominance block using a sample of a luminance block, calculates a compensation parameter based on a predetermined reference area, derives a second prediction value of a chrominance block, and reconstructs a chrominance block based on a second prediction value of a chrominance block.
US10972725B2 Method and apparatus for intra prediction in video coding
A decoding method and a decoder for decoding a current block of a video is provided, wherein the decoding method comprises: determining a set of Most Probable Modes (MPMs) for the current block. When at least one condition is satisfied, the set of MPMs includes a Planar mode, a DC mode, a Vertical mode, a Horizontal mode, an intra prediction mode corresponding to a value of the Vertical mode with a first offset, and an intra prediction mode corresponding to the value of the Vertical mode with a second offset. The decoding method further includes obtaining a MPM flag and an MPM index for the current block from a bitstream of the video, and obtaining an intra prediction mode for the current block for reconstructing the current block.
US10972718B2 Image generation apparatus, image generation method, data structure, and program
To allow an observer wearing stereoscopic equipment to perceive a stereo image and an observer not wearing stereoscopic equipment to perceive a clear image. Based on an original image, an image containing phase-modulated components a and an image containing phase-modulated components b are generated. The image containing phase-modulated components a and the image containing phase-modulated components b are for one who sees the original image or a subject represented by the original image and the image containing phase-modulated components a with one eye and sees the original image or the subject and the image containing phase-modulated components b with the other eye to perceive a stereo image, and one who sees the original image or the subject, the image containing phase-modulated components a, and the image containing phase-modulated components b with the same eye(s) to perceive the original image. The phase-modulated components a are generated by shifting the phase of spatial frequency components of the original image by a first phase, and the phase-modulated components b are generated by shifting the phase of the spatial frequency components of the original image by a second phase being a different phase than the first phase.
US10972714B2 Image processing apparatus, image processing method and storage medium for storing program
Image data of a photographic image is inputted, and based on information related to a distance from a focal plane when capture is performed, the sharpness of an image that the inputted image data represents is controlled. Image data resulting from the sharpness control being performed is outputted. In the sharpness control, the sharpness control amount is set in accordance with the luminance of a peripheral region that neighbors an in-focus region that is determined to be in-focus in the image.
US10972712B2 Image merging method using viewpoint transformation and system therefor
An image merging method using viewpoint transformation and a system therefor are provided. The method includes obtaining images captured by a plurality of cameras included in the camera system, performing viewpoint transformation for each of the images using a depth map for the images, and merging the images, the viewpoint transformation of which is performed.
US10972705B2 Medical display apparatus, endoscopic surgery system, and method of displaying medical image
A medical display apparatus includes: a display unit configured to display an endoscope image; at least one video signal input circuit to which video signals related to the endoscope image can be inputted from an external medical instrument; a video processing circuit configured to generate a video reflecting a display setting specified for each of the video signals; and first and second processors, the first processor determines an endoscope type based on a mask pattern of the endoscope image related to each of the inputted video signals, and the second processor designates a display set value for each of video signals related to different endoscope images to the video processing circuit according to a determination result.
US10972701B1 One-way video conferencing
Systems and methods for blocking, adding, and/or modifying video content in a video conference session are disclosed. A video conferencing session is established between a first device and a second device. Video conferencing session data that is received from the first device comprises only audio information. Video conferencing session data that is received from the second device comprises both audio and video information. Video content is added to the video conferencing session data from the first device before sending the video conferencing session data to the second device. The added video content is not captured from the first device.
US10972698B2 Method and device for selecting a process to be applied on video data from a set of candidate processes driven by a common set of information data
Inducing a particular behavior/process among a set of pre-determined behaviors/processes by implicitly signaling the selection of the particular behavior/process though a particular combination of specific values of said set of information data driven the process. Typically, enables re-using parameters already carried with a signal to signal how those parameters are used by a specific process.
US10972696B1 Universal mirror TV and flat panel display cover
A reflective cover for a flat panel display includes a surface which is both reflective and transmissive. The cover includes a perimeter frame which is configured to couple to the surface around a perimeter of the surface. The perimeter frame further includes an engagement device. The engagement device is attached to the perimeter frame. The engagement device is configured to engage with a mounting bracket. A blackout shroud is coupled to the perimeter frame to form an opening. The opening is sized so that during mounting, the flat panel display is inserted into the opening and the engagement device engages with the mounting bracket. In operation, when the flat panel display is in an on state images displayed thereon are visible through the surface and when the flat panel display is in an off state a reflection is provided from the surface.
US10972690B2 Comprehensive fixed pattern noise cancellation
The disclosure extends to methods, systems, and computer program products for producing an image in light deficient environments having cancelled fixed pattern noise.
US10972685B2 Video camera assembly having an IR reflector
The various implementations described herein include methods, devices, and systems for illuminating and capturing scenes. In one aspect, a video camera assembly includes: (1) one or more processors configured to operate the video camera assembly in a day mode and in a night mode; (2) an image sensor having a field of view of a scene and configured to capture video of a first portion of the scene while in the day mode of operation and in the night mode of operation, the first portion corresponding to the field of view of the image sensor; (3) one or more infrared (IR) illuminators configured to provide illumination during the night mode of operation while the image sensor captures video; and (4) an IR reflector component configured to: (i) substantially restrict the illumination onto the first portion of the scene, and (ii) illuminate the first portion in a substantially uniform manner across the field of view of the image sensor.
US10972681B2 Image encoding method and system
An image encoding method includes preprocessing source images according to preset preprocessing requirements to generate preprocessed images, merging the preprocessed images according to preset merging requirements to generate a target image, and encoding the target image.
US10972678B2 Image acquisition device, driver assistance system, and method for operating an image acquisition device
An image acquisition device for a driver assistance system of a vehicle includes at least one light entry element and at least one image acquisition sensor. Image information in the form of light rays from the light entry element impinge on the image acquisition sensor along a ray path. The image acquisition device includes at least one darkening element having a variable translucency in at least a first frequency range.
US10972675B2 Endoscope system
An endoscope system according to the present invention includes: an illumination unit that radiates illumination light onto a subject, the illumination light having a spatially non-uniform intensity distribution including a light section and a dark section in a beam cross section orthogonal to an optical axis; an imaging unit that images an illumination image of the subject irradiated with the illumination light; and a separation processor that generates two separate images from the illumination image. Among intensity values of pixels within the illumination image respectively corresponding to the light section, the dark section, and a section having intermediate intensity between the light section and the dark section, the separation processor generates the two separate images based on at least two of the intensity values.
US10972674B2 Electronic apparatus
An electronic apparatus includes: a converting unit that converts a first type of image into a converted image; a connecting unit that connects with an external apparatus; a setting unit that sets a connection mode; and a control unit that controls so that in a case where the connection is in a first connection mode, the first type of image is outputted from the connecting unit without converting the first type of image by the converting unit, and in a case where the connection is in a second connection mode, the first type of image is converted by the converting unit, and is outputted from the connecting unit, wherein source of the image to be outputted from the connecting unit can be switched from a second type of image to the first type of image, while maintaining the connection in the second connection mode.
US10972669B2 Operation apparatus, optical apparatus, and imaging apparatus
An operation apparatus for operating an optical element movable for changing an optical characteristic of an optical apparatus includes an operation member, a detector configured to detect an operation amount of the operation member, a controller configured to generate an operation command for the optical element based on the operation amount, and a memory configured to store an operation target for the optical element. The controller is configured to cause a display to display the operation command and the operation target in a first region of the display corresponding to a range which the operation command can take, and the operation command and the operation target in a second region of the display corresponding to a partial region in the first region and larger than the partial region.
US10972668B2 Display device and control method for display device
An HMD includes an image display section configured to display an image to enable visual recognition of an outside scene by transmitting external light, a mobile-body-position acquiring section configured to acquire a position of a mobile machine, an operation detecting section configured to detect operation, and a display control section configured to cause the image display section to display the image. The display control section executes visibility control processing for controlling, on the basis of the position of the mobile machine acquired by the mobile-body-position acquiring section and the operation detected by the operation detecting section, visibility of the image displayed by the image display section with respect to the external light transmitted through the image display section.
US10972666B2 Lens moving unit comprising a sensing magnet and a correction magnet
One embodiment of a lens moving unit includes a bobbin mounted with at least one sheet of lens and arranged at a periphery with a coil unit, a cover member mounted with a magnet at a position corresponding to that of the coil unit, upper and bottom elastic members respectively coupled at one distal end to upper and bottom surfaces of the bobbin to support movement of the bobbin to an optical axis direction, and a detection unit to detect a movement parallel to an optical axis of the bobbin, wherein the detection unit includes a sensing magnet mounted at a periphery of the bobbin, and a position detection sensor arranged at a lateral wall of the cover member and formed at an inner lateral surface opposite to the sensing magnet, wherein the bobbin includes a correction magnet mounted at a side opposite to that of the sensing magnet.
US10972665B2 Imaging apparatus and image blurring amount calculation method therefor
An imaging apparatus includes a processor and two acceleration sensors located at different positions on a first plane orthogonal to the optical axis of an image shooting optical system. The processor calculates a first-direction acceleration estimated value for a first position on the optical axis on the basis of the distances in a second direction between the optical axis and the individual acceleration sensors and first-direction acceleration detected values provided by the individual acceleration sensors, calculates a second-direction acceleration estimated value for the first position on the basis of the distances in a first direction between the optical axis and the individual acceleration sensors and second-direction acceleration detected values provided by the individual acceleration sensors, and calculates a first-direction image blurring amount and a second-direction image blurring amount for the imaging apparatus by using the first-direction acceleration estimated value and the second-direction acceleration estimated value.
US10972662B2 Method for providing different indicator for image based on shooting mode and electronic device thereof
The present disclosure relates to a method and apparatus for providing a camera service by an electronic device. The electronic device may include a camera, a memory, and at least one processor, the processor configured to control the electronic device to: receive a camera shooting request; display a preview image of an external object obtained through the camera using first area information based on a first shooting mode in response to the shooting request; receive an input corresponding to a second shooting mode in the first shooting mode; and display the preview using second area information corresponding to the second shooting mode in response to the input.
US10972660B2 Imaging device and imaging method
An imaging device that is capable of having a fisheye lens attached to a main body, and that is capable of shooting digital images, comprising, an image sensor on which photometric domains and/or AF region are arranged, a lens communication circuit that performs communication with a lens that has been attached and acquires lens information, and a processor that detects whether or not a lens that has been attached is a circular fisheye lens based on the lens information, and, if it has been determined that the lens is a circular fisheye lens, restricts the photometric domains and/or AF regions based on an image circle of the circular fisheye lens.
US10972659B2 Image capturing device, a method and a computer program product for forming an encoded image
A method, device, and computer program product related to the field of image encoding. In particular, the method, device, and computer program product uses multiple image sensors and multiple encoders for outputting a single encoded image, where image data captured by a first image sensor is added to the encoded image as a first tile or slice, and where image data captured by a second image sensor is added to the encoded image as a second tile or slice.
US10972658B2 Image capture eyewear with auto-send
A system including image capture eyewear, a processor, and a memory. The image capture eyewear includes a support structure, a selector connected to the support structure, a display system (e.g., LEDs or a display) connected to the support structure to distinctly display assignable recipient markers, and a camera connected to the support structure to capture an image of a scene. The processor executes programming in the memory to assign recipients to the assignable recipient markers, receive a captured image of the scene, receive an indicator associated with the assignable recipient markers distinctly displayed at the time the image of the scene was captured, and transmit the captured image to the recipient assigned to the distinctly displayed assignable recipient markers.
US10972653B2 Mobile terminal and method of controlling auto focusing of camera on object in preview image at user selected position on touch screen
The present invention provides a mobile terminal and a method of capturing an image using the same. The mobile terminal controls a camera conveniently and efficiently to capture an image and performs focusing in various manners to capture an image. Accordingly, a user can obtain a desired image easily and conveniently.
US10972651B2 Method and system for iris recognition
The present application discloses an iris identification system and an iris identification method thereof. The iris identification system includes: a camera module including at least two cameras, the cameras having different depths of field and being configured to capture iris images; a distance detection apparatus configured to detect a distance between a user and the camera module; a processing chip configured to find, according to the detected distance, a depth of field corresponding the distance and control a camera having the depth of field to be turned on, and further configured to control multiple cameras in the camera module to be turned on simultaneously until one camera has captured an ideal image. At least two cameras having different depths of field are disposed in the iris identification system provided in the present application; a camera having a suitable depth of field is turned on correspondingly according to a detected distance between a user and a camera module to capture an image, or multiple cameras are turned on simultaneously until one camera has captured a clear iris image. The present application achieves good man-machine friendliness and a short capturing time and improves the efficiency of iris identification.
US10972650B2 Communication apparatus and control method thereof
A communication apparatus comprises a communication unit configured to communicate with an external apparatus, a first reading unit configured to read predetermined information for specifying a type of the external apparatus from a captured image of the external apparatus, a presenting unit configured to present an operation procedure for setting connection information, according to the type of the external apparatus specified using the predetermined information, a second reading unit configured to read connection information from a captured image of the external apparatus, based on a display appearance of connection information according to the external apparatus, and a control unit configured to connect with the external apparatus via the communication unit by using the connection information acquired by the second reading unit.
US10972647B2 System to control camera function remotely
The present disclosure provides a system that includes a camera, a shadow device that mimics, copies, or duplicates the properties of the camera, and a controller. The controller can be located in the same vicinity as the shadow device, where the camera is in a remote location. An operator can receive feedback that mimics what they would be experiencing if they were operating the camera directly. The controller then manipulates the remote camera based on the input from the operator. The system of the present disclosure allows for a camera operator to be in a remote location, and it still provides accurate, real-time feedback to the operator. Unlike current systems, the present system provides instantaneous or near-instantaneous feedback for cameras in remote locations.
US10972640B2 Adapter for integrating a prompt box, a camera and a tripod
The invention provides an adaptor for mechanically coupling a prompt box and a video camera to a tripod. In the preferred embodiment, the adaptor is a single piece bracket having a first horizontal portion with a first fastening round hole located at the first horizontal portion's center, a vertical portion with its lower end merged to the first horizontal portion, and a second horizontal portion merged to the vertical portion's upper end. The second horizontal portion has one or more second fastening round roles evenly spaced along the second horizontal portion's longitude. In operation, the prompt box is fastened to the tripod through the first fastening round hole, and the video camera is fastened through one of the second fastening round holes with a screw matching the video camera's tripod mount.
US10972639B2 In-vehicle device
An in-vehicle device 4 includes an image acquisition unit 42 that acquires an image photographed by a camera 2 including a lens, a storage unit 7, a dirt detection unit 6 that detects dirt on the lens on the basis of the image acquired by the image acquisition unit 42 and that stores dirt region information indicating a region where the dirt exists in the image into the storage unit 7, a dirt removal information generation unit 8 that generates dirt removal information indicating a region where the dirt on the lens is removed, and a rewriting unit 12 that rewrites the dirt region information on the basis of the dirt removal information. Accordingly, it is possible to rewrite the dirt region information on the basis of the dirt removal information.
US10972638B1 Glare correction in sensors
Sensors, including time-of-flight sensors, may be used to detect objects in an environment. In an example, a vehicle may include a time-of-flight sensor that images objects around the vehicle, e.g., so the vehicle can navigate relative to the objects. Sensor data generated by the time-of-flight sensor can be impacted by glare. In some examples, corrected data is generated by quantifying glare. A glare region including pixels that are not associated with an object in a range of the time-of-flight sensor may provide glare intensity and glare depth values used to quantify the glare. The glare intensity and glare depth may be used to correct measured data.
US10972637B2 Systems and methods for synchronizing sensor capture
In one embodiment, a method includes, by a computing device of a first sensor receiving synchronization information from a controller. The synchronization information being generated based on a clock of the controller. The method also includes determining, based on the synchronization information, a first offset between a first clock of the first sensor and the clock of the controller; storing the first offset; and synchronizing, based on the stored first offset and the first clock of the first sensor, a first data capture by the first sensor with a second data capture by a second sensor. The first data capture and the second data capture being requested by the controller.
US10972629B2 Image processing apparatus configured to combine image information such that the combined first image information and second image information have the first resolution
An image processing apparatus is an image processing apparatus that performs image processing on first image information of a target first image. The image processing apparatus has a controller and a first storage device which stores second image information of a second image. The controller reads the second image information stored in the first storage device, changes a resolution of the read second image information to a first resolution which is the same as a resolution of the first image information, and combines the first image information and the second image information based on the first image information and the second image information of which resolution is changed to the first resolution.
US10972628B2 Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements
The disclosure relates to image processing and embedding machine-readable codes into image data. One combination estimates embedded signal strength from embedded image data transformed according to anticipated color space, printer data and/or substrate data. Other combinations are also provided.
US10972622B2 Print control device and program
There is provided a non-transitory recording medium storing a computer readable program causing a computer, which is incorporated in a print control device that controls a print job, to perform: a) determining whether or not a reference source part included in a print target document related to the print job and a reference destination part included in the print target document and corresponding to the reference source part are arranged on different pages in a printout obtained by printing out the print target document; b) estimating a binding position in the printout; and c) changing at least one of arrangement target areas of the reference source part and the reference destination part based on the binding position and the arrangement position of the reference source part or the reference destination part, when it is determined that the reference source part and the reference destination part are arranged on different pages.
US10972621B2 Recording apparatus
A printer includes: a restriction unit that is in a rotation allowing state in which opening of a scanner unit from a closed state is allowed when a panel unit is in a first posture and is in a restriction state in which opening of the scanner unit from the closed state is restricted when the panel unit is tilted from the first posture to a second posture; and a posture holding unit that is in a tiltable state in which the posture of the panel unit is tilted from the first posture to the second posture when the scanner unit is in a closed state and is in a posture holding state in which the posture of the panel unit is held in the first posture when the scanner unit is rotated from the closed state in an opening direction.
US10972617B2 Information terminal configured to transmit data with use of wireless communication, image processing apparatus, image processing system, and storage medium
An information terminal transmits information relating to user authentication to an image processing apparatus via short-range wireless communication. The image processing apparatus performs processing for the user authentication using the received information, and transitions to a status where a function of the image processing apparatus is used via an operation unit upon condition that the user authentication has succeeded. The information terminal transmits data to be used in any one of individual functions included in the image processing apparatus to the image processing apparatus based on receipt of information indicating successful user authentication from the image processing apparatus. After receiving the data from the information terminal, the image processing apparatus uses the received data as a setting of the function of the image processing apparatus that corresponds to the data.
US10972608B2 Asynchronous multi-dimensional platform for customer and tele-agent communications
Customer relationship management (‘CRM’) implemented in a computer system, including administering, by a CRM application of the computer system, with one or more customer representative on behalf of one or more tele-agents asynchronously across one or more platform types, as structure of computer memory of the computer system, a communications session comprising one or more communications contacts with the customer representative in support of the communications session. Digital transcripts of previous contacts are displayed for a tele-agent in real to facilitate communications with the customer representative. The transcripts and associated data are stored as parsed and inferred semantic triples in an enterprise knowledge graph.
US10972606B1 Testing configuration for assessing user-agent communication
A process generates, at a computer-implemented service provider platform, a simulated user request for a service. Further, the process sends, from the computer-implemented service provider platform to a computing device associated with an agent, the simulated user request for a service. Additionally, the process performs, with a processor at the computer-implemented service provider platform, an assessment of agent responsiveness to the simulated user request for the service. Finally, the process automatically generates, with the processor at the computer-implemented service provider platform, one or more actions based on the assessment.
US10972604B2 Device independent text captioned telephone service
A communication system and method for displaying text captions corresponding to voice communications between an assisted user's mobile wireless device and a separate hearing user's device includes at least one communication component configured to enable the appliance to communicate with a relay, a display, and a processor operably coupled to the at least one communication component and the display. The processor is configured to enable the assisted user to establish an association between the appliance and the mobile device, receive text originating at the relay, the text corresponding to a transcript of the hearing user's voice signal originating at the hearing user's device, and cause text captions corresponding to the received text to be displayed on the display.
US10972602B1 Call indicators for categories of calls
In one example, a processing system including at least one processor may obtain a call request from a calling device to a destination device, identify a caller category associated with the calling device, and forward the call request to the destination device with an indicator of the caller category, where the indicator of the caller category is to cause the destination device to present at least one of: a first ringtone that is associated with the caller category or a first vibration pattern that is associated with the caller category.
US10972596B1 Attachment to a cell phone
An apparatus for retaining a cell phone which includes: (1) a swivel base affixed to the back of a cell phone; (2) a rotatable base which can rotate within the swivel base so that the rotatable base and its attachments can be orientated to any orientation relative to the cell phone; and (3) an ability to hold the cell phone with a single finger on the back of the cell phone. When not in use, the entire assembly can collapse into a flat base so that it occupies very little space relative to the entire width of the cell phone. Bent pivot arms enable the cell phone accessory to be folded flat or to be expanded to the full size condition, or any distance between the back of the cell phone and the base so that any size finger, within a range, can fit within the space between the retaining base and the expandable bent pivot arms.
US10972595B2 Audio headset system
A base station for an audio headset system is provided which is able to communicate with a remote device. The base station is configured to be convertible such that it facilitates communication with remote devices over a range of different communication protocols, in accordance with varying user preference.
US10972593B1 Radio frequency module and communication device
A radio frequency module includes: a module board including a first principal surface and a second principal surface on opposite sides of the module board; an antenna connection terminal; a diplexer connected to the antenna connection terminal and including at least a first inductor which is a chip inductor; a transmission power amplifier configured to amplify a transmission signal; a reception low noise amplifier configured to amplify a reception signal; and a second inductor which is a chip inductor disposed on one of a transmission path connecting the diplexer and the transmission power amplifier and a reception path connecting the diplexer and the reception low noise amplifier. The first inductor is mounted on the first principal surface, and the second inductor is mounted on the second principal surface.
US10972592B2 Mobile terminal
Disclosed is a mobile terminal having a flexible display unit. The present disclosure provides a mobile terminal including a first frame, a second frame coupled to the first frame movably and configured to move in a first direction against the first frame, a third frame coupled to the second frame movably and configured to move in the first direction against the second frame, a flexible display unit including a first region disposed on a front side of the mobile terminal and coupled to the first frame, a second region disposed on a backside of the mobile terminal and coupled to the third frame, and a third region elongated between the first and second regions, wherein the third region is disposed on the front side or backside of the mobile terminal selectively according to a moving direction of the second frame by being rolled around the second frame, and a drive unit configured to move the second frame in the first direction against the first frame and move the third frame in the first direction against the second frame.
US10972590B2 Electric signal transmission line in a communication device
A method for assembling a communication device and the communication device The communication device includes a casing that houses a battery. The battery extends in a main extension plane. The casing includes a back cover to cover the battery, and the back cover extends in a second plane substantially parallel to the main extension plane. The communication device also has an electrical signal transmission line having a first portion and a second portion. The second portion is coupled to a processor of the communication device. The first portion has a longitudinal extension coupled to at least one electrical component, wherein the first portion extends alongside the battery in a third plane substantially perpendicular to the main extension plane.
US10972586B2 Reusable message flow between applications of a message broker integrated systems environment
A computer-implemented method for deploying a plurality of data conversion flow between a first application in a first system to a second application in a second system, without restarting the plurality of data conversation flow, is provided. The computer-implemented method may further include providing a plurality of modifiable data conversation that identifies a plurality of input parameters, a plurality of data formats, a plurality of data description, a plurality of conversation routines, a plurality of paths of the conversion routines, and a plurality of output information that determines routes of converted data for the first application. The computer-implemented method may further include converting the plurality of modifiable data conversion to form a data input from the first application to the second application. The computer-implemented method may further include providing an application interface for transmitting the plurality of modifiable data to the second application, without restarting the data conversion flow.
US10972584B2 Apparatus, method and system for a tunneling client access point
The disclosure details the implementation of an apparatus, method, and system comprising a portable device configured to communicate with a terminal and a network server, and execute stored program code in response to user interaction with an interactive user interface. The portable device contains stored program code configured to render an interactive user interface on a terminal output component to enable the user the control processing activity on the portable device and access data and programs from the portable device and a network server.
US10972579B2 Adaptive scheduling for edge devices and networks
Adaptive scheduling of compute functions in a fog network is described herein. An example method includes synchronizing kernel and hypervisor scheduling of applications used to control one or more edge devices using a global schedule, wherein the global schedule comprises timeslots for applications, and adapting the timeslots in real-time or near real-time based on application-based time related feedback that is indicative of time delays.
US10972577B1 Systems, methods, and storage media for managing traffic on a digital content delivery network
Systems, methods, and storage media for managing traffic on a digital content delivery network are disclosed. Exemplary implementations may: receive an item of digital content on a digital content delivery network; assign a type category to the item of digital content; determine an update time variable of the item of digital content; determine a cache time for the item of digital content based on the type category of the item of digital content and the update time variable of the item of digital content and; and cache an instance of the item of digital content in a cache memory associated with the content delivery network for the cache time and removing the instance from the cache memory after the cache time has lapsed.
US10972573B1 Browser optimization through user history analysis
The present invention relates to systems, apparatus, and methods of using real user history data to improve prefetching for a web page transaction. In one potential embodiment a method includes a proxy server observing a first web page transaction that has a first root HTTP request, a first root HTTP response, at least one child HTTP request, and at least one child HTTP response. The server may then extract a parameter from the web page transaction and correlating the parameter with the child HTTP request. In a later web page transaction, the parameter may be used to predict the child HTTP being requested even when the web page transactions are different.
US10972564B2 System and method for automating actions in distributed computing
Systems, methods, and media for actions in distributed computing by receiving trigger event specification that defines a trigger event that will cause a notification to be transmitted. A determination is made whether the trigger event has occurred. Responsive to the determination that the trigger event has occurred, a notification is generated. Excess data is removed from the notification. The notification, with the excess data removed, is sent.
US10972563B2 Out-of-network notifications of network-transmitted content items
Techniques for identifying and delivering notifications of user-generated content to network-limited users are provided. In one technique, for each selected target entity that has a limited network, one or more topics associated with the target entity are identified and the target entity is assigned to one or more entity-topic buckets for the identified topics. For each selected content item, one or more topics associated with the content item are identified and the content item is assigned to one or more content-topic buckets for the identified topics. The entity-topic buckets are matched to the content-topic buckets, resulting in assigning, for each selected target entity, zero or more content items to that target entity. For each target entity that is assigned one or more content items based on the matching, a notification is generated and transmitted over a computer network to a computing device of the target entity.
US10972558B2 System and method for tracking users of computer applications
A monitoring system that receives messages that are exchanged with the application server. Relationships between users are posited in response to the times at which the messages are received. A relationship between two users may be posited in response to receiving, at approximately the same time, two messages from the application server that are destined, respectively, for the two users. The near-simultaneous receipt of the two messages indicates that the two messages were sent from the server at approximately the same time, which, in turn, indicates that the two messages may correlate with one another. Further indication of a correlation between the messages, which may increase the level of confidence with which the relationship between the two users is posited, may be found by examining the respective sizes of the messages, which indicate the message types.
US10972556B1 Location-based functionality for voice-capturing devices
Methods, systems, and computer-readable media for location-based functionality for voice-capturing devices are disclosed. An association is determined between a location value for a location parameter and one or more functionalities. The association is stored by a device management component of a service provider environment. An assignment of the location value to a device account is stored by the device management component. The device account corresponds to a voice-capturing device coupled to the service provider environment over one or more networks. Based at least in part on the assignment of the location value to the device account, the one or more functionalities are enabled for use by the voice-capturing device.
US10972554B1 Management of distributed endpoints
A system and method for management of communications for components in a global accelerator system is provided. The global accelerator system includes client devices communicating with a global access point via a public network to access various endpoints that can host services. In turn, a global access point communicates to various endpoints, which are organized into different data centers, via a private network. To facilitate exchanges on behalf of different client devices, the global access points can characterize groupings of endpoints into subgroups or braids. Individual braid communications can be encapsulated and are routed at the data center by a networking equipment using 5-tuple information in packets. The components within individual braids can broadcast or multi-cast state information via management messages to ensure failover or mitigate duplicative processing.
US10972553B2 Software-as-a-service deployment of printing services in a local network
A method for configuring, via a website, a device to provide printing services to a local network is described. The method includes creating, via a website, a service host object that comprises a network address of a device on a local network and a service host name. The method also includes configuring, via the website, one or more printing settings for one or more printing services. The method further includes sending an indication to the device on the local network to run a service manager. The method additionally includes sending an indication to the service manager to run the one or more printing services on the local network based on the one or more printing service settings.
US10972551B1 Building mobile applications on stateful backend systems
Disclosed herein are system, method, and computer program product embodiments for building a stateless connector to a stateful backend system. The stateless connector allows developers to deploy mobile applications that interact with the stateful backend system without refurbishing the backend system to accommodate stateless design methodologies and access functions. The stateless connector thus provides a bridge between a stateless application and a stateful backend system without requiring any risky and potentially disruptive updates the backend system. The stateless connector may be generated and deployed automatically based on a recording of user interactions with stateful application server. This saves an enormous amount of time and effort in the application development process and allows application developers to focus their time and efforts on the presentation components and business logic of the mobile application.
US10972548B2 Distributed system deployment
A computer-implemented method for configuring deployment of a distributed system across a plurality of machines of a network. The method may include obtaining network information describing network communication characteristics between a plurality of machines of a network. The method may also include obtaining inter-container communication information describing at least one characteristic of communication between pairs of machines of the plurality of machines for a predetermined time period. The method may also include determining a cost function, the cost function mapping a potential container deployment configuration to an expected communication time, based on the network information and the inter-container communication. The method may also include processing the cost function with an optimization algorithm. The method may also include, in response to the processing, identifying a container deployment configuration having an associated cost that meets a cost requirement.
US10972547B2 Systems and devices and methods for initiating communications based on selected content
Systems and methods consistent with the disclosure receive as an input content selected from a previous communications session with a first user, receive an input selecting a second user different from the first user, identify an object in the selected content to determine information descriptive for the selected content, initiate a new communications session with the second user, and transmit a message to the second user, including the descriptive information for the selected content.
US10972546B2 Image processing system, connection mediation server, and recording medium
An image processing system includes: an application server installed on a network; an image processing device installed on a local network connected to the network; a relay server, installed on the local network, that relays communication between the image processing device and the application server; and a connection mediation server, installed on the network, that transmits a connection request to the relay server to cause the relay server to connect to the application server. The connection mediation server includes a request accepting circuit, and a connection request circuit, the relay server includes a connection establishment circuit, and in a case where a communication request is accepted, the connection request circuit transmits the connection request to the relay server, and in a case where a new communication request is accepted, the connection request circuit does not transmit the connection request to the relay server.
US10972545B2 Method and apparatus for multipath communication
In accordance with an example embodiment of the present invention, there is provided a method, comprising exchanging connectivity information, setting up a connection, determining that a correspondent node has at least one access in an inactive state, and transmitting a request to the correspondent node to activate at least one of the at least one access in an inactive state. The setting up may be done based on the exchanged connectivity information.
US10972543B2 Customer based internet of things (IoT)—transparent privacy functionality
Novel tools and techniques might provide for implementing customer-based Internet of Things (“IoT”)—transparent privacy functionality. Various methods, systems, and apparatuses might provide connectivity between a network interface device (“NID”) and each of one or more first user devices of a plurality of user devices associated with the customer premises and/or a user who is associated with the customer premises. In some cases, at least one virtual network function (“VNF”) might be sent to each of the one or more first user devices. The NID might restrict, in some cases using the VNF, access by a third party to the information regarding the at least one portion of the at least one of one or more first user devices connected to the network or one or more applications running on one or more first user devices connected to the network.
US10972542B2 Data storage method and apparatus
A method and apparatus for data storage and retrieval is disclosed. In the method, a data storage device receives a data write request that is sent by a first tenant, and determines, from a plurality of resource zones (RZs) and based on the data write request and storage permission of the first tenant for each of the plurality of resource zones RZs. The data storage device further determines distribution of N duplicates in the at least one RZ based on the data write request and a first data distribution policy, and stores the N duplicates into at least one node corresponding to the at least one RZ based on distribution of the N duplicates in the at least one RZ and a second data distribution policy.
US10972536B2 System and method for synchronizing media presentation at multiple recipients
A network media delivery system includes client devices and a host device. Each client device has a network interface, an engine for processing media data, and a media interface. The host device, which can be a computer, establishes network communication links with the client devices, which can be networked media stations, and sends media data to the client devices. The media data can be sent wirelessly as packets of media data transmitted at intervals to each client device. In one embodiment, the host device controls processing of media data such that processed media is delivered in a synchronized manner at each of the client devices. In another embodiment, the host device controls processing of media data such that processed media is delivered in a synchronized manner at the host device and at least one client device.
US10972535B2 Method and device for load balancing, and storage medium
Embodiments of a method, device, and terminal apparatus for load balancing and a storage medium are provided. The method can include acquiring a service traffic of a service request received by at least one load balancer configured for an equipment room of a plurality of equipment rooms, acquiring a dispatching result of the load balancer, according to the service traffic of the service request and a service capacity of the equipment room, and pushing the dispatching result to a distribution proportion configuration center configured to send the dispatching result to the load balancer, where the dispatching result is used to indicate the load balancer to distribute the service request to one or more equipment rooms.
US10972533B2 Management device for controlling scale-in processing, computer-readable recording medium storing management program for controlling scale-in processing and management method for controlling scale-in processing
A management device includes a memory and a processor configured to transmit a first instruction to proxy servers, receive, from each of the proxy servers, each of a plurality of expected completion times for each transaction executed by each of the proxy servers, perform a selection of a first proxy server corresponding to an earliest expected completion time among the plurality of expected completion times, and transmit a second instruction to the first proxy server so that the first proxy server executes scale-in processing when the transaction executed by the first proxy server ends.
US10972529B2 Page jump method and apparatus
A request for a service is received. A page associated with the requested service is determined. The page is associated with a page identifier. In response to determining the page associated with the requested service, a first jump route from a page routing table is retrieved based on the page identifier. The first jump route associates the page identifier to a first jump page. In response to retrieving the first jump route, the first jump page is loaded based on the first jump route.
US10972525B2 Targeted buffer priority management
In accordance with one or more embodiments, aspects of the disclosure may provide efficient, effective, and convenient ways of managing the transmission of content items in a network. In particular, a device may be preconfigured with buffer priority assignments and performance metrics for various media types or data types. The device may detect a media type or data type for a packet corresponding to a content item, assign the packet to a buffer queue based on the media type or data type, and transmit the packet. The device may also determine whether performance metrics for the media type or data type are being met. If the device fails to meet performance metrics, the device may negotiate with other devices on the network to compensate for the failure to meet performance metrics and/or adjust buffer priorities as necessary.
US10972523B2 Automatic session establishment in peer-to-peer communication
A realtime kernel supports realtime communications between communicants operating on respective network nodes. The realtime kernel handles the complex tasks of connecting to communicants, virtual areas, and other network resources, switching those connections in response to user inputs, and mixing realtime data streams. The realtime kernel enables developers to focus on developing high-level communications functionality instead of low-level plumbing code. The realtime kernel imposes relatively low computational resource requirements so that realtime communications performance can be achieved using a wide range of computing devices and network connections that currently are available.
US10972511B2 Streaming relay for digital signage
Digital signage techniques are disclosed that utilize streaming technology to deliver digital signage content to digital signage display devices. In some examples, a method may include rendering a digital signage content frame by frame, capturing an image of each rendered frame, transforming the captured image of each rendered frame into a video frame of a video stream, and delivering the video stream to at least one remote display device. The captured image may be an image of a portion of the rendered frame. The display devices that receive the video stream may render the video stream using a streaming media player.
US10972509B2 Data processing and scanning systems for generating and populating a data inventory
In particular embodiments, a data processing data inventory generation system is configured to: (1) generate a data model (e.g., a data inventory) for one or more data assets utilized by a particular organization; (2) generate a respective data inventory for each of the one or more data assets; and (3) map one or more relationships between one or more aspects of the data inventory, the one or more data assets, etc. within the data model. In particular embodiments, a data asset (e.g., data system, software application, etc.) may include, for example, any entity that collects, processes, contains, and/or transfers personal data (e.g., such as a software application, “internet of things” computerized device, database, website, data-center, server, etc.). The system may be configured to identify particular data assets and/or personal data in data repositories using any suitable intelligent identity scanning technique.
US10972505B2 Distributed behavioral monitoring
There are provided measures for improvement of distributed behavioral monitoring. Such measures exemplarily include receiving activity data indicative of a behavior of an entity to be monitored from at least one sensor sensing activity of the entity, wherein the at least one sensor is provided to an endpoint associated with said entity, assessing an activity represented by said activity data as malicious, validating a result of said assessing based on a categorization assigned to said entity in relation to said at least one sensor, and deciding, based on a result of said validating, on a response to said assessing.
US10972504B2 Device management using a secondary cellular data connection
A device is capable of connecting to both a WLAN and a cellular data network. Preference is given to using the WLAN. However, prior to connecting to the WLAN, the cellular data network is used to connect to a remote portal from which the device receives parameters to connect to the WLAN. The portal initiates prompts to receive the WLAN parameters that it provides to the device. Upon successfully connecting to the portal the device deactivates the cellular data connection. Upon there being network path errors on the preferred network connection, the device is capable of activating the secondary cellular data connection to the portal to report errors.
US10972500B2 Detection system, detection apparatus, detection method, and detection program
A detection apparatus extracts an account and a source address of the account from authentication information obtained from an authentication apparatus configured to perform user authentication, groups accounts for each of time slots at predetermined time intervals and each of source addresses in accordance with a timestamp and the source address of the account, and extracts an account group from which duplication of an identical account in an identical group has been excluded. Subsequently, the detection apparatus calculates the number of duplicate accounts among the extracted account groups. The detection apparatus determines that an identical source address is an address of an attacker in a case where the number of account groups of the identical source address in which the number of calculated accounts exceeds a first threshold exceeds a second threshold.
US10972495B2 Methods and apparatus for detecting and identifying malware by mapping feature data into a semantic space
In some embodiments, an apparatus includes a memory and a processor operatively coupled to the memory. The processor is configured to identify a feature vector for a potentially malicious file and provide the feature vector as an input to a trained neural network autoencoder to produce a modified feature vector. The processor is configured to generate an output vector by introducing Gaussian noise into the modified feature vector to ensure a Gaussian distribution for the output vector within a set of modified feature vectors. The processor is configured to provide the output vector as an input to a trained neural network decoder associated with the trained neural network autoencoder to produce an identifier of a class associated with the set of modified feature vectors. The processor is configured to perform a remedial action on the potentially malicious file based on the potentially malicious file being associated with the class.
US10972494B2 Vulnerability detection in IT assets by utilizing crowdsourcing techniques
This invention discloses systems and methods for detecting vulnerabilities in IT assets by utilizing crowdsourcing techniques. A corpus containing vulnerability data of IT assets with known vulnerabilities is established. Vulnerability data in the corpus comprises security aspects or attributes related to the IT assets. The security aspects of an IT asset constitute its attack surface which is represented as a feature vector in a feature space. A determination is made as to how similar/close a target asset whose unknown vulnerabilities are to be detected, is to the rest of the IT assets in the corpus. This determination is made based on a measure of similarity/distance between the respective feature vectors in the feature space. Based on the review of similarity results by a community of researchers/experts, a determination of unknown vulnerabilities in the target system is made.
US10972493B2 Automatically grouping malware based on artifacts
Techniques for automatically grouping malware based on artifacts are disclosed. In some embodiments, a system, process, and/or computer program product for automatically grouping malware based on artifacts includes receiving a plurality of samples for performing automated malware analysis to generate log files based on the automated malware analysis; processing the log files to extract features associated with malware; clustering the plurality of samples based on the extracted features; and performing an action based on the clustering output.
US10972491B1 Anomaly detection with missing values and forecasting data streams
Techniques for seasonality-based anomaly detection and forecast are described. For example, a method of receiving a request to generate forecast for received time series data; performing a seasonality-based anomaly detection and forecast for the received time series data based upon the received request, the seasonality-based anomaly detection and forecasting to utilize a second data structure that reflect anomalies found in a first data structure on the input from the received time series data; and providing a result of the performed seasonality-based anomaly detection and forecast is described.
US10972490B2 Specifying system, specifying device, and specifying method
A specifying device receives detection information from a security device that detects hacking into a network or an activity of a terminal related to infection, and specifies a state of the terminal from information of the terminal and content of activity of the terminal included in the detection information. The specifying device specifies, when specifying that the terminal is in the state of being infected with malware, a terminal that may be infected before performing the content of the activity of the terminal included in the detection information based on connection information stored in a configuration information storage device, and specifies a terminal located on a route, along which the infected terminal is likely to be used for hacking or for infection of the terminal in the future, as a candidate for an infected terminal likely to be infected.
US10972487B2 Content delivery network protection from malware and data leakage
A Content Delivery Network (CDN) includes one or more cache servers communicatively coupled to end users for providing content thereto; and one or more origin servers communicatively coupled to the one or more cache servers through a plurality of nodes, the one or more cache servers are configured to receive traffic related to the content from the one or more origin servers through the one or more nodes of the plurality of nodes, based on one or more of a push technique and a pull technique, and the plurality of nodes are configured to monitor the traffic between the one or more origin servers and the one or more cache servers in an inline manner, process the traffic for malware and data leakage based on policy, and block the traffic responsive to detection of one or more of the malware and the data leakage, prior to traffic entering the CDN.
US10972482B2 Automatic inline detection based on static data
Examples of the present disclosure describe systems and methods of automatic inline detection based on static data. In aspects, a file being received by a recipient device may be analyzed using an inline parser. The inline parser may identify sections of the file and feature vectors may be created for the identified sections. The feature vectors may be used to calculate a score corresponding to the malicious status of the file as the information is being analyzed. If a score is determined to exceed a predetermined threshold, the file download process may be terminated. In aspects, the received files, file fragments, feature vectors and/or additional data may be collected and analyzed to build a probabilistic model used to identify potentially malicious files.
US10972480B2 Device management proxy for secure devices
A hardware device architecture is described that improves security and flexibility in access to hardware device settings. A device management proxy service is digitally signed and granted access to device settings. Applications are then digitally provisioned by the proxy service and only validated signed requests from applications are permitted to change hardware device settings. Further granularity over hardware device settings is achieved through user accounts and groups established by the applications.
US10972477B1 Systems and methods for performing micro-segmenting
The disclosed computer-implemented method for performing micro-segmenting may include (i) identifying at least a portion of a device, (ii) measuring a variance value that indicates a level of variance in terms of websites accessed by the portion of the device over a period of time, and (iii) locking, in response to determining that the variance value satisfies a threshold level of simplicity, the portion of the device by applying a security profile to the portion of the device that limits the portion of the device to accessing a set of websites that is defined in terms of the websites accessed by the portion of the device over the period of time. Various other methods, systems, and computer-readable media are also disclosed.
US10972476B2 Method for limiting usage of application, and terminal
A method for limiting usage of an application on a mobile terminal is provided. In an implementation, a usage limitation condition is preset for the application, where the usage limitation condition includes at least one of a geographical location, a time, and a network condition of the mobile terminal. A current operation environment corresponding to the usage limitation condition is obtained in response to receiving an input operation of a user. Usage of the application is limited when the operation environment meets the usage limitation condition, and the application is normally used when the operation environment does not meet the usage limitation condition.
US10972471B2 Device authentication using synchronized activity signature comparison
A system, method and program product for authenticating a device. An authentication service is provided having: a data management system for periodically collecting and storing signature data from each of a set of registered devices, wherein the signature data includes a plurality of data points, and wherein at least one of the data points includes a device usage characteristic; a system for obtaining a temporal signature state (TSS) vector of a device in response to a transaction request from the device, wherein the TSS vector includes values for a selected subset of the data points forming the signature data; and an authenticator for comparing the TSS vector of the device with stored signature data in order to authenticate the device.
US10972469B2 Protecting critical data and application execution from brute force attacks
A method, an electronic device, a computer readable medium is disclosed. The method includes modifying a header of an object to include a list of applications or files. The method also includes responsive to an application attempting to access the object, interrupting access to the object. The method further includes determining whether the application that is attempting to access the object is approved based on identifying at least one application or file included in the list of the modified header that corresponds to the application. The method also includes preventing the application from accessing the object when it is determined that the application is not included in the list of the modified header.
US10972468B2 Adaptive device enrollment
Examples described herein include systems and methods for dynamically determining enrollment requirements and enrolling a user device into a management system. The systems and methods can differ based on the type and version of operating system executing on the user device. With some operating systems, enrollment can be completed through a single application that performs other functionality, such providing single-sign-on access to enterprise resources. With other operating systems, enrollment can be completed by pausing the first application and requiring installation of an agent application to complete enrollment. The determination of how and when to enroll a user device can be done automatically and can be based on an organizational group to which the user belongs.
US10972466B2 Security systems, methods, and computer program products for information integration platform
An information integration system may include a set of integration services embodied on one or more server machines in a computing environment. The set of integration services may include connectors communicatively connected to disparate information systems. The connectors may be configured for integrating data stored in the disparate information systems utilizing a common model employed by the set of integration services. The common model may overlay, augment, integrate, or otherwise utilize a content management interoperability services data model and may include common property definitions and a common security model. The common security model may include permissions particularly defined for use by the set of integration services. These common property definitions and permissions may be uniquely defined and utilized by the information integration system.
US10972462B2 Electronic account recovery through account connections
A method for managing account data and handling account recovery requests are disclosed. The method comprises a multi-level identity verification process, including a first level where a specific computing device requesting recovery of an electronic account is requested to identify a trusted contact for the electronic account and a second level where the specific computing device is requested to provide a dynamically generated security code that has been communicated to a trusted contact identified by the specific computing device.
US10972461B2 Device aware network communication management
Managing network communications is provided. An indication that a network device has been added to a local network is received. In response to receiving the indication that the network device been added to the local network, metrics corresponding to the network device added to the local network are detected. A device fingerprint corresponding to the network device added to the local network is generated based on the detected metrics.
US10972457B2 Linking a physical item to a virtual item
Disclosed are systems and methods for mapping a virtual shopper to a physical shopper. The systems and methods may include receiving, at a backend system, unidentified customer data including information about an unidentified customer. Customer identity data including identifying information about the customer may be received from the customer. An authentication token may be generated that links the unidentified customer data to the customer identity data.
US10972456B2 IoT device authentication
The disclosed technology is generally directed to device authentication in an IoT environment. For example, such technology is usable in authenticating IoT devices to an IoT Hub. In one example of the technology, data field targets are received for an IoT device. The data field targets may include at least one device identity data field target and at least one telemetry data field target. Data field entries are received from the IoT device at a first time. The data field entries may include at least one device identity data field entry and at least one telemetry data field entry. A determination is made as to whether the data field entries match the corresponding data field targets for the IoT device. The IoT device is selectively allowed to connect to the IoT hub based on the determination.
US10972451B2 Band steering of client devices to dual-band legacy access points
A band steering method for a wireless network comprising access points, for example legacy access points, is disclosed. The network comprises a first and second radio bands, the wireless access point, and one or more client devices. The method comprises receiving an open authentication request at the wireless access point from the client device on one or more of its radio bands. If the open authentication request is received on the second radio band, the method comprises generating an open authentication response, whereas if the open authentication request is received only on the first radio band, the method comprises generating a delayed open authentication response.
US10972448B2 Technologies for data broker assisted transfer of device ownership
Technologies for transferring ownership of a compute device include a data broker device to receive a provenance verification key of the compute device from a manufacturer device, receive attestation data of the compute device, and verify a provenance of the compute device based on the attestation data. The attestation data is indicative of one or more security attributes of the compute device. The data broker device updates a block chain with an acknowledgment of an assignment of the compute device to the data broker device, wherein the block chain identifies each transaction associated with ownership of the compute device.
US10972447B2 Short message service gateway for media streaming security
A processor may receive a request to authenticate an endpoint device associated with a media streaming session, the media streaming session delivered to the endpoint device via a cellular access network, generate an authentication key, and transmit the authentication key to the endpoint device via a short message service message. The processor may further receive a calculated response from the endpoint device, the calculated response based upon the authentication key and a seed key of the endpoint device, determine whether the calculated response matches an expected response based upon the authentication key and the seed key, and authenticate the endpoint device based upon whether the calculated response matches the expected response.
US10972445B2 Dynamic crypto key management for mobility in a cloud environment
Aspects of the disclosure relate to dynamic crypto key management for mobility in a cloud environment. A computing platform may receive a request to generate a new tenant master key and a new server recovery key. Subsequently, the computing platform may send to a cloud-based key vault server, the new tenant master key and the new server recovery key. The computing platform may send to a tenant database, the encrypted server recovery key. As a result, the computing platform may provision the enrollment servers with the encrypted server recovery key. In some embodiments, the enrollment servers are configured to manage enrollment of policy-managed devices in a policy enforcement scheme and to authenticate with the key update service based on the encrypted server recovery key.
US10972443B2 System and method for encrypted document co-editing
A computer-implemented method, computer program product, and computing system is provided for encrypted document co-editing. In an implementation, a method may include receiving, at a first computing device, a first encrypted change set for a co-editable data object from a client, the first encrypted change set being encrypted by a first key. The method may include requesting a second key for re-encrypting the first encrypted change set. The method may include re-encrypting the first encrypted change set to generate a second encrypted change set using the second key.
US10972439B2 System and method for obfuscating initiation values of a cryptography protocol
A computer-implemented technique for determining whether a first computing device has the correct version of a software program may be used to provide a secure approach to verifying that a client computing device has a secure and approved version of content player software implemented for consuming downloaded copyright media content. With this technique, copyright media content providers are able to ensure that only secure and approved content players are implemented to access the content.
US10972435B2 Dynamic discovery of executing applications
A computing system may include a proxy server application and a database. The proxy server application may provide, to a computing device disposed within a managed network, instructions to identify one or more processes executing on the computing device. The proxy server application may also determine, for a process of the one or more processes, a file system path of a directory associated with the process and, based thereon, select one or more directories to scan for files associated with the process. The computing device may be provided with instructions to (i) scan the one or more directories and (ii) determine a plurality of attributes associated with one or more files discovered therein. The proxy server application may additionally receive results of the scan containing a representation of the plurality of attributes and store, in the database, the results of the scan.
US10972434B2 Proxy-based clientless VPN with web browser proxy auto-configuration (PAC) file and extension
A security gateway security gateway provisions a web browser hosted on a user device with a proxy auto-configuration file configured to automatically redirect the web browser to the security gateway as a proxy server for clientless virtual private network (VPN) operation when the web browser browses any uniform resource locator including a particular domain name that encompasses a private network. Upon receiving from the web browser over a public network a request to access a private resource on the private network, the security gateway establishes a secure public connection to the web browser, establishes a private connection to the private resource, and associate the private connection with the secure public connection to form a clientless VPN connection between the web browser and the private resource. The security gateway forwards content between the private resource and the web browser over the clientless VPN connection without performing any content rewrite operations.
US10972428B2 Assignment of tenancy to devices
A method of assigning tenancy to a device during bootstrapping between a device and a server in a network includes transmitting a device identifier to a bootstrap server. The method further includes receiving, at the device, a device server address to enable the device to register with the device server. The tenancy is assigned to the device with the device server address.
US10972423B2 Location-based conversation engine for entities in a social networking system
Various embodiments include a conversation engine for facilitating a conversation between member accounts (e.g., personal accounts) and social network entities (e.g., corporate accounts) in a social networking system. The conversation engine can enable interactions between a member account and a social network entity via a messaging application when an end-user device associated with the member account is in proximity to a physical establishment associated with the social network entity. The end-user device can scan for available access points and determine its location based on the wireless source identifier(s) of the available access points. The end-user device and/or the social networking system can compare the wireless source identifier(s) to a set of known wireless source identifiers to determine the end-user device's location. Messages can be generated by the conversation engine that include content that is generated based at least in part on the location of the end-user device.
US10972420B2 Automatic notification generation for electronic processing systems
A processor may receive a delivered message. The processor, using natural language processing, may identify content of the delivered message. The processor may generate a first importance score for the delivered message based on the content of the delivered message. The processor may send a notification to at least one recipient of the delivered message as a reminder of the delivered message, in response to the first importance score fulfilling a predefined delivery condition. In some embodiments, a processor may receive a message. The processor may identify the content of the message using natural language processing. The processor may generate a first importance score for the message based on the content of the message. The processor may determine that a second message received is related to the message. The processor may update the first importance score.
US10972410B2 Managing context information between chatbot and user device
A chatbot server that manages context information between a chatbot and a user device includes a receiving unit that receives, from a messenger server, a question message input for a service selected from multiple services by the user device and service account information corresponding to the selected service; a derivation unit that derives an answer to the question message by using the chatbot corresponding to the service account information; and a context information management unit that manages context information of a chat between the user device and the chatbot based on the question message and/or the answer.
US10972408B1 Configurable packet arbitration with minimum progress guarantees
Systems, apparatuses, and methods for implementing a configurable packet arbiter with minimum progress guarantees are described. An arbiter includes at least control logic, a plurality of counters, and a tunables matrix. The tunables matrix stores values for a plurality of configurable parameters for the various transaction sources of the arbiter. These parameter values determine the settings that the arbiter uses for performing arbitration. One of the parameters is a minimum progress guarantee value that specifies how many times each source should be picked per interval. The minimum progress guarantee helps to reduce arbitration-related jitter. Also, the arbiter includes a grant counter for each source. After the minimum progress guarantees are satisfied, the arbiter selects the source with the lowest grant counter among the sources with packets eligible for arbitration. Then, the arbiter increments the grant counter of the winning source by a grant increment amount specific to the source.
US10972404B2 Generate deploy and provision a customized cloud device application using a software service and device store
A system and method to generate and deploy a customized cloud device application has been described. A platform broker analyzes a deployment information of a software service included in the customized cloud device application. Based on the analysis, the platform broker determines whether the software service is to be deployed at a cloud resource or devices. Based on the determination and a composition pattern, the platform broker sends a software service deployment request to a cloud broker and a device broker. Based on the software service deployment request, an instance of the software service is generated and the generated instance of the software service is deployed to one of the cloud resource or one or more devices. Finally, the generated instance of the customized cloud device application bound to the deployed instance of the software service is deployed to one of the one or more cloud resources and the device.
US10972402B1 Dynamic management of inline entries in hardware across protocols in a scaled environment
Techniques within a network device to execute periodic packet management (PPM) used to determine the health of a network. The inline mode of periodic packet management may be more efficient than other modes of periodic packet management such as centralized mode or distributed mode. The number of inline entries for a given hardware table may be limited, which means that once the number of inline entries in the table has reached the size limit, then any new entries must be managed in the distributed mode or the centralized mode. The techniques of this disclosure may improve the efficiency of a network device by replacing inline entries handled at a lower frequency in the hardware table with entries for periodic packets that are handled with a higher frequency (shorter periodic interval). In this manner, the entries with shorter periodic intervals may be managed using the more efficient inline mode.
US10972399B2 Method of determining passive round trip time, RTT, delay in a telecommunications system
A method of determining a passive Round Trip Time, RTT, delay in a telecommunications system for exchanging data packets in accordance with a data transmission protocol between a first device and a second device. The first and second devices are identified by first and second device identifications, respectively. The data packets include an address part including a source address and a destination address. The method is performed in a node by modifying the address part of a received data packet from the first device, and creating a first timestamp before transmitting the modified data packet to the second device. Upon receiving, at the node, from the second device in response to the modified data packet, a data packet having the modified address part of the modified data packet, the node creates a second timestamp that provides for passively measuring the RTT delay.
US10972394B2 Network congestion management
Example implementations relate to congestion management across a network fabric. An example implementation includes setting an uncongested sequence length threshold to a first value. A completed transaction received count may also be set to an initial value. The completed transaction received count may be incremented in response to a completion of a transaction request. In response to a detected congestion event, the injection rate may be decreased. A second value for the uncongested sequence length threshold may be determined from the CTR count, and the uncongested sequence length threshold may be set to the second value. Furthermore, in response to the CTR count being greater than or equal to the uncongested sequence length threshold, the injection rate may be increased.
US10972388B2 Federated microburst detection
An example method includes a sensor detecting multiple packets of a flow during a specified total time period (e.g., a reporting time period). The total time period can be subdivided into multiple time periods. The sensor can analyze the detected packets to determine an amount of network utilization for each of the time periods. The sensor can then generate a flow summary based on the network utilization and the flow and send the flow summary to an analytics engine. Multiple other sensors can do similarly for their respective packets and flows. The analytics engine can receive the flow summaries from the various sensors and determine a correspondence between flow with high network utilization at a specific time period and a node or nodes. These nodes that experienced multiple flows with high network utilization for a certain period of time can be identified as experiencing a microburst.
US10972385B2 Methods and apparatus to provide a consumer services cloud in a communications network
Methods and apparatus to provide a consumer services cloud in a communications network are disclosed. An example apparatus includes a processor and a computer readable storage medium including computer readable instructions that cause the processor to analyze authentication information in a request for access to a communications network to identify which of multiple possible users associated with a communications network customer is a current user of a client device, analyze second network communications based on a security rule to identify a security risk of the second network communications, access a first profile corresponding to the identified current user to determine a rule to be used to handle network communications transferred within the communications network from the client device of the communications network customer that are diverted via a software-defined network (SDN) switch, and configure a forwarding table of the SDN switch to comply with information obtained from the client device.
US10972384B2 Processing of data stream
A gateway device detects whether a node corresponding to each node identifier in a node identifier chain gets on-line, the chain including node identifiers of a head node, service node via which the head node accesses tail node, and the tail node. When each node gets on-line, the gateway device distributes, as a gateway device accessed by the head node, a first stream classifying strategy associated with the chain to device hardware, and forwards a received data stream which is from the head node to the tail node according to the chain based on the first stream classifying strategy. The gateway device distributes, as a gateway device accessed by the service node, a second stream classifying strategy associated with the chain to the device hardware, and forwards a received data stream which is from the head node to the tail node according to the chain based on the second stream classifying strategy.
US10972381B2 Network operations reactive to operations data included in seamless bidirectional forwarding detection (S-BFD) packets
In one embodiment, in-band operations data (e.g., In-situ Operations, Administration, Maintenance and/or other operations data) is added to Seamless Bidirectional Forwarding (S-BFD) packets. In one embodiment, a S-BFD packet received by a node includes a BFD discriminator and operations data. Reactive processing is identified based on the BFD discriminator. The S-BFD packet and the operations data (e.g., in an operations data field in a header of the received S-BFD packet, in an IOAM Type-Length-Value (TLV), etc.) is processed according to the identified reactive function. Examples of these reactive actions include, but are not limited to, determining a result based on processing of said particular operations data by the local node or a remote analytics server, and sending a response packet including unprocessed and/or a result of the processed operations data (e.g., performance, loss, jitter, an indication of compliance with a service level agreement, and/or another data measurement or result).
US10972380B2 Method for configuring a connection using redundant service nodes
A method involves setting a link aggregation control protocol (LACP) link state for all links in a first service node to STANDBY to put at least one multiplexer in the first service node in a WAITING state to disable frame collection at the redundant service node and setting the LACP link state for all links in a second service node to SELECTED to put at least one multiplexer in the second service node in a COLLECTING/DISTRIBUTING state to enable frame collection at the primary service node.
US10972379B2 Application performance based path-selection
Embodiments herein disclose methods for selecting one or more paths for routing application traffic based on application performance metrics for hosted applications. In an embodiment, to select the best path, the available paths can be monitored to understand the performance of specific applications through those paths. Subsequently, the performance data is used to derive an application link score (ALS) for any given combination of application and path. The ALS is then be used to determine the best path for a given application.
US10972378B2 Geo-separation of control and bearer nodes for a telecommunication system
A method includes, with a distributed telecommunication component, providing a plurality of first type nodes, each first type node configured to perform a signaling function. The method further include, with the distributed telecommunication component, providing a plurality of second type nodes, each second type node configured to perform a media bearing function. At least one of the plurality of bearer nodes is geographically separate by a predetermined distance from at least one of the plurality of control nodes.
US10972374B1 Managed time service for compute resources
Techniques for providing a managed time service are described. A control plane of the managed time service can receive data indicating one or more network time protocol (NTP) hosts are active. The control plane can update a zonal domain name system (DNS) to include the one or more NTP hosts. The at least one compute resource accesses the one or more NTP hosts using the zonal DNS, and the one or more NTP hosts provide time data to the at least one compute resource. The control plane can receive performance data from the one or more NTP hosts and automatically scale the one or more NTP hosts based on the performance data.
US10972372B2 Scheduling processing tasks based on predicted context
In some implementations, a user device can schedule tasks based on user behavior. For example, the user device can receive a task request that includes a time window and user/device context parameters for performing the task. The user device can predict a time when the user/device context is optimal for performing the task during the time window based on historical context data. For example, the user device can generate an optimal context score for the task based on the context parameters and the historical context data. The user device can execute the requested task at a current time within the time window when a context score for the current context exceeds a threshold determined based on the optimal context score.
US10972364B2 Using tiered storage and ISTIO to satisfy SLA in model serving and updates
Systems, methods, and computer-readable storage media are provided for storing machine learned models in a tiered storage. The model serving network evaluates where the models should be stored based on the model corresponding service level agreement. The model is generally stored at the lowest tiered storage device that is still capable of satisfying the model's service level agreement. In this way, the model serving network aims to store data that achieves the cheapest cost.
US10972361B2 System and method for remote hardware support using augmented reality and available sensor data
An information handling system for managing equipment in a datacenter includes a display, a wireless communication interface, and an imaging system configured to capture image data from within a field of view of the imaging system. The information handling system shows the image data on the display, and provides an augmented reality overlay on the display over the image data. The augmented reality overlay locates an element of datacenter equipment that needs to be serviced. The information handling system further determines that the element is within the field of view, establishes a wireless communication link with the element via the wireless communication interface in response to determining that the element is within the field of view, and receives an instruction to service the element from a remote service system in response to establishing the wireless communication link.
US10972357B2 SDN network system, controller, and controlling method
A software defined network (SDN) system, controller, and controlling method, where the SDN system includes at least one Nth level controller and at least two (N+1)th level controllers belonging to the Nth level controller, where the (N+1)th level controller is configured to receive a first message sent by a node belonging to the (N+1)th level controller, and when the first message is a cross-domain message according to status information of each node that is managed by the (N+1)th level controller, forward the first message to the Nth level controller to which the (N+1)th level controller belongs, and the Nth level controller receives the first message, and perform decision processing according to status information of the (N+1)th level controller that is managed by and belongs to the Nth level controller and status information of boundary nodes of the (N+1)th level controller belonging to the Nth level controller.
US10972353B1 Identifying change windows for performing maintenance on a service
Systems and techniques for identifying a common change window for one or more services implemented on one or more hosts include querying time series performance data for each host of a service to identify time slots of low resource consumption on the host, annotating the time slots with service tags, where the service tags identify host information and service information, creating groups of time slots using the service tags, using dynamic clustering to create clusters of hosts using the groups of time slots, and generating at least one common change window by eliminating duplicate hosts from the clusters of the hosts.
US10972352B2 Validation of routing information base-forwarding information base equivalence in a network
Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations.
US10972348B2 Methods and systems for selecting compatible resources in networked storage environments
Methods and systems for a networked storage environment are provided. One method includes storing at a storage device by a processor a data structure with information regarding a plurality of compatible software and hardware components configured to operate in a plurality of configurations as part of a storage solution for using resources at a networked storage environment for storing data; obtaining by a processor executable configuration advisor information regarding a plurality of deployed components of a deployed configuration from among the plurality of configurations; comparing the deployed configuration with a latest configuration having the plurality of deployed components from among the plurality of configurations stored at the data structure; and recommending a change in at least one of the plurality of deployed components to upgrade the deployed configuration, when the deployed configuration is not the latest configuration.
US10972347B2 Converting a first cloud network to second cloud network in a multi-cloud environment
The disclosure describes techniques for converting a source cloud network to a destination cloud network. In one implementation, a method includes: receiving a user request to convert a source cloud network to a destination cloud network; in response to receiving the request, invoking a driver based on the destination cloud network specified in the user request; using at least the invoked driver to retrieve cloud configuration data of the source cloud network and an operating system (OS) image of the destination cloud network; using at least the retrieved cloud configuration data of the source cloud network and the retrieved OS image of the destination cloud network, converting the source cloud network to the destination cloud network, wherein converting comprises: registering a controller and compute node of the source cloud network as a controller and compute node of the destination cloud network; and sending a notification that the conversion was completed.
US10972345B1 System, method, and computer program for evaluating confidence level of predicting a network situation in a communication network managed using artificial intelligence
A system, method, and computer program product are provided for evaluating confidence level of predicting a network situation in a communication network managed using artificial intelligence. In use, for a configuration of a communication network, at least one network situation is determined requiring a change of the configuration of the communication network. A minimal configuration time period is determined required to implement the change of the configuration of the communication network. Additionally, a detection entity including a first classifier is determined that includes one or more event log data associated with the configuration of the communication network, and that further includes a prediction of an occurrence of a particular network situation of the at least one network situation. Further, a first confidence level of the detection entity is determined, the first confidence level representing, at least in part, a probability of the prediction.
US10972342B2 Network device configuration using a message bus
In general, techniques are described for managing, with a network controller for a computer network, the configuration of network devices within the computer network using one or more message buses. In some examples, a controller includes processing circuitry coupled to memory. The processing circuitry is configured to generate data for implementing a configuration change for a network device and store, to a configuration database, the data for implementing the configuration change for the network device. The processing circuitry is further configured to add, to a message queue of a message bus executed by one or more or more computing devices separate from the controller, an indication of the configuration change for the network device to cause the network device to obtain, from the configuration database, the data for implementing the configuration change for the network device.
US10972339B2 Systems and methods for modular in-premises equipment
A CPE device may include a plurality of CPE modules implemented in hardware. The plurality of CPE modules may include a first module and a second module. The first module and the second module may be arrangeable in a stacked configuration. The first module may include a first interconnection interface component disposed on a top surface of the first module. The second module may include a second interconnection interface component disposed on a bottom surface of the second module. The second interconnection interface component may be configured to complementarily couple to the first interconnection interface component when the first module and the second module are arranged in the stacked configuration.
US10972336B2 Technique for resolving a link failure
A technique for resolving a link failure occurring on a link between a first virtualized network function, VNF, and a second VNF provided in a cloud computing environment is disclosed. A method implementation of the technique is performed by the first VNF and comprises receiving a link failure notification comprising link recovery status information indicating a current recovery status of the link, and triggering an action depending on the link recovery status information to resolve the link failure.
US10972330B2 Data transmission method and device
Disclosed is a data transmission method, including: determining a time domain structure, the time domain structure chronologically and sequentially including a first downlink part, a second downlink part, a first uplink part, and a second uplink part, wherein a guard period GP is further included between the second downlink part and the first uplink part; and transmitting data according to the time domain structure; wherein, information transmitted by the first uplink part corresponds to information transmitted by the first downlink part, and information transmitted by the second uplink part corresponds to information transmitted by the second downlink part.
US10972327B2 Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals, the method comprises encoding service data, encoding signaling data, MIMO (Multiple-Input and Multiple-Output) precoding the encoded service data, building at least one signal frame including the MIMO precoded service data and the encoded signaling data, modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and transmitting the broadcast signals having the modulated data.
US10972326B2 Spectrum shaping crest factor reduction
Disclosed are methods, systems, devices, apparatus, media, design structures, and other implementations, including a method that includes receiving a signal for radio transmission, and configuring crest factor reduction (CFR) processing characteristics, at a wireless device, to apply to the received signal to modify one or more portions of the signal based on an asymmetrical spectral mask, representative of an asymmetric frequency envelope limiting allowed magnitudes for frequency components bounded by the asymmetrical spectral mask, with the asymmetrical spectral mask being defined based on spectral characteristics requirements specified by multiple regulatory radio frequency (RF) power requirements at frequencies affecting a frequency range of the asymmetrical spectral mask. The method further includes applying CFR processing to the received signal according to the configured CFR processing characteristics to produce a resultant output signal with a resultant spectral representation bound by the asymmetrical spectral mask.
US10972325B2 Method and apparatus for generating/transmitting a frame for wireless communication, and synchronization estimation method for wireless communication
Disclosed is a technique related to a method and apparatus for generating a preamble and a data frame for wireless communication, and to a synchronization estimation method using the preamble. According to the technique, a method for generating a frame for wireless communication is disclosed, wherein the method comprises: a step of generating a modified sequence using a first base sequence for synchronization estimation; and a step of allocating the first base sequence and the modified sequence to the frequency domain of a first timeslot to generate a preamble. The modified sequence includes a complex conjugated sequence of the first base sequence or a sequence having a code different from that of the first base sequence.
US10972324B2 Dual receiver for millimeter wave communications
Certain aspects relate to methods and apparatus for wireless communication. Particularly, aspects relate to techniques for wireless communications by an apparatus including a receive processing chain configured to process frames of a first type obtained via an omnidirectional antenna and frames of a second type obtained via an antenna array, a detector configured to detect a preamble portion of a frame of the first type, and a processing system configured to switch an input path of the receive processing chain from the antenna array to the omnidirectional antenna after the detection. Other aspects relate to wireless communications by an apparatus including a processing system that generates a frame of a first type having an indication that the apparatus can switch between outputting omnidirectional frames and outputting beamforming frames for transmission independent of channel reservation signaling, and a first interface configured to output the frame of the first type for transmission.
US10972323B2 Circuits and methods for bi-directional data communication over isolation channels
In a general aspect, a data communication circuit can include a differential transmitter configured to be coupled with a differential input of a first unidirectional differential isolation channel, and a differential receiver configured to be coupled with a differential output of a second unidirectional differential isolation channel. The differential receiver can include a comparator that has a threshold that is adjustable based on a signal received via the second unidirectional differential isolation channel.
US10972317B2 Device and method for data reception
A receiver device comprises one or more differential receivers configured to respectively output single ended signals, one or more delay compensation circuitries configured to delay the single ended signals, clock recovery circuitry configured to generate a recovered clock signal based on a compensated single ended signals respectively outputted from the delay compensation circuitries, and one or more latch circuitries configured to respectively latch the compensated single ended signals in synchronization with the recovered clock signal.
US10972316B1 Channel estimation using a chirp signal and the Fractional Fourier Transform
Channel estimation using a chirp signal and the Fractional Fourier Transform (FrFT) is disclosed. A relatively short chirp may be transmitted, and its received components may be converted to tones using the FrFT, from which the channel tap magnitudes and delays can readily be computed. This may involve measuring peaks in the rotated spectrum, measuring the time between the peaks, and mapping the time in the rotated plane back to the original time. Such a technique has various advantages over conventional channel estimation techniques, such as providing high accuracy even in very poor multipath environments and requiring relatively few samples of a chirp, which hence can reduce pilot overhead.
US10972313B2 Relay device
A relay device includes: a memory; and a hardware processor coupled to the memory. The hardware processor: receives data from a sensor; backs up the data from the sensor, in the memory, to store data failed to be transmitted to a server on a network; determines, based on a server communication status representing a state of data transmission to the server, a priority for data to be transmitted to the server among the data from the sensor and the backed-up data; transmits, to the server, data determined to have a highest priority among the data from the sensor and the backed-up data; and determines the server communication status based on whether communication with the server fails.
US10972310B2 Link state packet transmission method and routing node
A link state packet transmission method and a routing node are disclosed. The method is applied to a tree topology, where the tree topology includes a leaf routing node, an intermediate routing node, and a root routing node. The method includes: receiving, by the intermediate routing node, a link state packet sent by a child routing node of the intermediate routing node; sending, by the intermediate routing node, the link state packet to the root routing node, where the root routing node is configured to aggregate received link state packets to obtain a link state packet set; receiving, by the intermediate routing node, the link state packet set sent by the root routing node; and sending, by the intermediate routing node, the link state packet set to the child routing node of the intermediate routing node.
US10972307B2 Communication system
A communication system capable of shortening a setting time of an ID and reducing an incorrect setting is provided. A writing device sequentially transmits an ID of a plurality of slave devices after transmitting of the ID of a master device. The master device includes a plurality of semiconductor relays provided for each of the plurality of master slave devices for supplying power to the corresponding slave devices. The master device receives the ID of the master device from the writing device, and sets it as its own ID. The master device, every time the ID of the plurality of slave devices is received from the writing device after setting the ID of its own, turns on the semiconductor relays in order. The plurality of slave devices sets the ID received after power supply as its own ID.
US10972303B2 Method and program for controlling portable information terminal
Address information of a mail to be transmitted by a mail communication function is extracted from the mail to be transmitted; a transmission time of the mail to be transmitted is extracted from a portable information terminal; and judgment is made as to whether the address information matches predetermined address information and whether the transmission time belongs to a predetermined time zone. When the address information matches the predetermined address information, and the address information belongs to the predetermined time zone, an activation time at which a household appliance is to be activated is determined on the basis of the transmission time, and a control command for activating the household appliance at the activation time is transmitted to a network.
US10972301B2 Displaying notifications for starting a session at a time that is different than a scheduled start time
The techniques disclosed herein provide a notification to a user that has been invited to participate in a communication session (e.g., a virtual meeting such as a video conference). The notification informs the user of contextual information associated with a meeting and provides a mechanism for the user to efficiently join the meeting. The notification can be provided based on different types of join events signaling that the meeting may be able to start. One type of join event can occur when the first person joins the meeting. Other types of join events can occur when an organizer of the meeting joins the meeting, when a required attendee is the first required attendee to join the meeting, when an external user is the first external user to join the meeting, or when a representative from each of a plurality of different stakeholder groups has joined the meeting.
US10972299B2 Organizing and aggregating meetings into threaded representations
One embodiment of the present invention sets forth a technique for organizing meeting content. The technique includes generating, from a set of available meetings, a thread comprising a collection of related meetings that share one or more attributes. The technique also includes aggregating data for the related meetings, where the data comprises metadata for the related meetings and terms included in recordings of the related meetings. The technique further includes outputting at least a portion of the aggregated data within a summary of the thread.
US10972298B2 Proactively managing collisions of multiple clustering groups for collaborative messaging platforms
Merging two or more user groups for collaboration includes constructing a social graph of each user of a plurality of users within the two or more user groups based upon a user profile and a workflow associated with each user. A weighted adjacency matrix is calculated based on at least one user interaction between two or more users indicated by the social graph. A model inferring leading edge contributions and least significant edge contributions among the users is generated based upon the social graph and the weighted adjacency matrix. One or more prospective groups expected to be involved in a future collaboration are identified based upon the identified leading edge contributions and least significant edge contributions.
US10972295B1 System and method for detecting the end of an electronic conference session
A method includes monitoring data associated with an electronic conference session between a plurality of users during the electronic conference session. The method further includes determining that an electronic conference termination event has been triggered based on the monitored data and in absence of a user selection to terminate the electronic conference session. Responsive to determining that the electronic conference termination event has been triggered, an electronic conference session ending event is initiated.
US10972294B2 Online charging for multi-user agent instances served by different telephony application servers
Techniques for allowing access based online charging in cases of multiple user agents (multi-UAs) scenarios where the instances are registered to different telephony application servers (TASs) are discussed herein. For example, a user device may support a native number and multiple virtual numbers linked via a user account. When servicing a call, the user device may determine a served number to service the call from. If the served number is not the native number but a virtual number, the native-line server may handle the call session, but the online charging session will be handled by the virtual-line server. The native-line server may use session initiation protocol (SIP) information to send updated information for charging parameters to the virtual-line server including network access transfer for accuracy in online charging logic.
US10972282B2 Distributed logging of application events in a blockchain
A blockchain of transactions may be used for various purposes and may be later accessed by interested parties for ledger verification. One example method of operation may include one or more of monitoring one or more applications to identify application events, identifying one or more application events, determining a hash of a log message payload associated with the application events and logging the hash of the log message payload in a blockchain.
US10972279B2 Efficient validation for blockchain
An example operation may include one or more of creating, by a blockchain node, a validation database in a memory, simulating each of one or more transactions, determining that each transaction in a new block may be validated using the validation database, validating each transaction in the new block using the validation database, and committing the new block to the blockchain. The validation database includes data corresponding to a predetermined number of most recent blocks of a state database for a blockchain.
US10972274B2 Trusted identity solution using blockchain
An example operation may include one or more of connecting, by an identity server, to a blockchain configured to store an identity trait of a user, retrieving, by an identity server, the identity trait from the a blockchain, establishing, by the identity server, a trust group homomorphism digital signature algorithm (DSA) for the user associated with the identity trait based on a public key PK1, creating, by the identity server, a zero-knowledge proof function with a public key PK2 based on a DSA member of the trust group homomorphism for witness data, providing, by the identity server, the witness data to a challenger for the zero-knowledge proof function, and receiving, by the identity server, a validation of the user as a proved user based on execution of the zero-knowledge proof function based on the witness data.
US10972273B2 Securing authorization tokens using client instance specific secrets
A system, method, and computer program product are provided for securing authorization tokens using client instance specific secrets. Tokens are valid for service requests only if time constraints and additional security constraints are met by additional information stored in the token in hashed form. A required comparison of a timestamp in a client service request header to the current server time limits the useful token life, e.g., to a few minutes. The service request header also includes data generated based on a secret previously assigned to a specific client instance. The secret may be generated by the server according to a public/private key scheme and sent to a particular client instance only once, e.g., during initial device registration. The secret may be omitted from service requests for public information. Service request headers may include device identifiers, so that service requests from known rogue clients may be ignored.
US10972271B2 Secret authentication code adding device, secret authentication code adding method, and program
A secure text having an authentication code is efficiently created. A key generation part 12 generates secure texts ([x], [α], [β]) of “x”, “α” and “β” that are values satisfying xα=β. A secure text generation part 13 generates secure texts [ai] of random values “ai” for i=1, . . . , N. An authentication code generation part 14 generates authentication codes [γ(ai)] by multiplying the secure texts [ai] by the secure text [α] for i=1, . . . , N. A verification value generation part 15 generates a secure text [w] of a verification value “w” using the secure texts ([x], [α], [β]), the secure text [ai] and the authentication code [γ(ai)]. A verification value determination part 16 determines whether the verification value “w” is equal to zero or not.
US10972270B2 Secure initialization vector generation
A plaintext and cryptographic key are used to generate an initialization vector to be used in a cryptographic algorithm, such as an encryption algorithm. In some examples, the plaintext and cryptographic key are input into an effectively one-way function, such as a cryptographic hash function, the output of which is usable as an initialization vector. Cryptographic keys may be rotated probabilistically based at least in part on probabilities of output collisions of the effectively one-way function to ensure a low probability of two different plaintexts resulting in calculation of the same initialization vector for use with the same cryptographic key.
US10972268B2 Cryptographic diversity
A Cryptographic Unit (CU) of a microcontroller, the CU including a first accelerator configured to generate first encrypted output data based on input data; and a second accelerator which is configured to be diversely implemented with respect to the first accelerator, and is configured to generate second encrypted output data based on the input data; and a comparator configured to compare a first comparator data obtained from the generation of the first encrypted output data with a second comparator data obtained from the generation of the second encrypted output data, and if the comparison indicates that the first and second comparator data differ, output an event signal pertaining to an event in a safety domain or a security domain.
US10972265B2 Addressing a trusted execution environment
Methods, systems, and devices are described herein for delivering protected data to a trusted execution environment (TrEE) associated with a potentially untrusted requestor. In one aspect, a targeting protocol head may receive a request for protected data from a potentially untrusted requestor associated with a TrEE, and an attestation statement of the TrEE. The targeting protocol head may retrieve the protected data, and obtain a targeting key of the TrEE from, for example, the request in the case of clean room provisioning, or the attestation statement. The targeting protocol head may generate targeted protected data by encrypting the protected data with the targeting key, and provide the targeted protected data to the potentially untrusted requestor, where a private targeting key of the TrEE is required to decrypt the targeted protected data.
US10972263B2 Single node multi-party encryption
A computer node comprising multiple software modules may receive a cryptographic key from a hardware security module. The computer node may use the cryptographic key to produce two key portions, which are distributed to two software modules. These software modules and an optional additional software module may use the key portions in order to encrypt an initial message. The key portions and their locations in memory are periodically updated in order to provide improved cryptographic security.
US10972262B2 Persona and device based certificate management
A user device implements a certificate authority for issuing digital certificates that extend to other computing devices a level of trust to a particular user paired with the user device. The user device may obtain user persona information, generate a user key, and combine the user key with a device key for the generation of a digital certificate. The computing device may further transmit the digital certificate to a certificate management system, which manages interactions between other computing devices and the user device or authorizes operation of other computing devices by the particular user based on the digital certificate.
US10972258B2 Contextual key management for data encryption
Example methods, apparatus, systems and articles of manufacture (e.g., physical storage media) to implement contextual key management for data encryption are disclosed. Example apparatus disclosed herein to perform contextual encryption key management, which are also referred to herein as contextual key managers, include an example context discoverer to discover context information associated with a request to access first encrypted data. Such disclosed example apparatus also include an example contextual key mapper to identify a combination of context rules associated with a key that is to provide access to the first encrypted data, validate the context information associated with the request based on the combination of context rules associated with the key to determine whether the request to access the first encrypted data is valid, and obtain the key from a key management service when the request to access the first encrypted data is valid.
US10972253B2 Virtual enigma cipher
A virtual enigma cipher system is described herein that allows for symmetric encryption and decryption of data. During encryption, a plurality of wheels representing sequences of data are used to encrypt a message. The plurality of wheels includes at least one dynamic wheel, which is generated based on a password, and a plurality of static wheels. During encryption, the unencrypted message is iterated from beginning to end. During each step of iteration, the encrypted payload value for a particular position is determined by performing an exclusive or (XOR) operation between the value of the unencrypted message at the position, and the values of the wheels at their respective wheel pointer positions. The particular position is then incremented, as are the wheel pointer positions, and iteration continues until the entire unencrypted message has been encrypted as part of the encrypted payload. Padding data and the message length are appended to the encrypted payload. During decryption, the steps are reversed.
US10972251B2 Secure web browsing via homomorphic encryption
Systems and methods for end-to-end encryption of a web browsing process are described herein. A web query is encrypted at a client using a homomorphic encryption scheme. The encrypted query is sent to a server where the encrypted query is evaluated over web content to generate an encrypted response without decrypting the encrypted query and without decrypting the response. The encrypted response is sent to the client where it is decrypted to obtain the results of the query without revealing the query or results to the owner of the web content, an observer, or an attacker.
US10972248B2 Method of calibrating clock phase and voltage offset, data recovery circuit performing the same and receiver including the same
A method of calibrating a clock phase and a voltage offset includes receiving an input data signal that is periodically toggled. A clock phase calibration operation is performed based on an up signal and a down signal, such that phases of a plurality of clock signals are adjusted. The up signal and the down signal are generated based on the input data signal, a reference voltage and the plurality of clock signals. A voltage offset calibration operation is performed based on the up signal, the down signal and a first sample data signal, such that a voltage level of the reference voltage is adjusted. The first sample data signal is generated by sampling the input data signal based on one of the plurality of clock signals. The clock phase calibration operation and the voltage offset calibration operation are performed independently of each other and not to overlap with each other.
US10972241B2 Method for receiving SRS configuration information and terminal therefor
A method for receiving SRS configuration information by a terminal may comprise the steps of: receiving, from a base station, the SRS configuration information including information on the number of simultaneously transmissible SRS resources configured for the terminal; and performing SRS transmission on the basis of the SRS configuration information.
US10972237B2 Reference signal sending method and reference signal sending apparatus
The reference signal sending method includes: determining, by a first sending device, a first reference signal and a first code resource, where the first code resource is orthogonal to a second code resource, the second code resource is used to transmit a second reference signal; and sending, by the first sending device, the first reference signal by using the first code resource, where the first reference signal is carried on at least one first time-frequency resource group, a value of a quantity of resource elements (REs) occupied by each of the at least one first time-frequency resource group is the same as a value of a length of the first code resource, and the first reference signal and the second reference signal are multiplexed on a time-frequency resource occupied by the at least one first time-frequency resource group, based on the first code resource and the second code resource.
US10972232B2 Retransmission method and device
Embodiments of this application provide a retransmission method and a device. After receiving feedback information transmitted by a receiving device based on first information indicated by a retransmission mode, a transmitting device uses second information indicated by the retransmission mode to generate data, and transmits the data to the receiving device based on third information indicated by the retransmission mode. In this process, a plurality of retransmission modes are set, so that when different retransmission modes are used, the first information used for transmitting the feedback information, the second information used for generating the retransmitted data, or the third information used for transmitting the retransmitted data is different. Therefore, objectives of reducing HARQ overheads and ensuring transmission efficiency, reliability, and latency performance of a wireless communications system are achieved.
US10972222B2 Method of transmitting and receiving signals in WLAN system and device for the same
A method of transmitting and receiving signals in a wireless local area network (WLAN) system and a device for the same are provided. More particularly, there are provided a method and a device for the same in which a station operating in an orthogonal frequency division multiplexing (OFDM) mode transmits and receives signals through two aggregated channels.
US10972220B2 Interleaving method and apparatus
This application relates to the field of communications technologies, and discloses an interleaving method, a deinterleaving method, and an apparatus, to improve randomicity of polar code interleaving. The method is: obtaining a to-be-interleaved bit sequence, where the to-be-interleaved bit sequence includes L, subsequences, the L subsequences include S subsequence groups, the S subsequence groups include at least a first subsequence group and a second subsequence group, the first subsequence group includes at least two subsequences, the second subsequence group includes at least one subsequence, and L is a positive integer greater than 1; and interleaving the subsequences in the first subsequence group in a first interleaving manner, and skipping interleaving the subsequence in the second subsequence group or interleaving the subsequence in the second subsequence group in a second interleaving manner.
US10972214B2 Scheduling of uplink data using demodulation reference signal and scheduled resources
Various embodiments disclosed herein provide for facilitating scheduling of uplink data using demodulation reference signal and scheduled resources. According an embodiment, a system can comprise configuring a network device with a periodic rate of specified sounding reference signals with a periodicity using radio resource control signaling. The system can further facilitate estimating channel state information associated with a channel via which the network device communicates. The system can further facilitate transmitting an uplink grant with uplink transmission parameters to set up a physical uplink shared channel, wherein the uplink transmission parameters are determined based on the channel state information. The system can further facilitate estimating scheduling parameters based on a first estimation information associated with the physical uplink shared channel.
US10972209B2 Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networks
The present invention includes novel techniques, apparatus, and systems for optical WDM communications. Tunable lasers are employed to generate respective subcarrier frequencies which represent subchannels of an ITU channel to which client signals can be mapped. In one embodiment, subchannels are polarization interleaved to reduce crosstalk. In another embodiment, polarization multiplexing is used to increase the spectral density. Client circuits can be divided and combined with one another before being mapped, independent of one another, to individual subchannels within and across ITU channels. A crosspoint switch can be used to control the client to subchannel mapping, thereby enabling subchannel protection switching and hitless wavelength switching. Network architectures and subchannel transponders, muxponders and crossponders are disclosed, and techniques are employed (at the subchannel level/layer), to facilitate the desired optical routing, switching, concatenation and protection of the client circuits mapped to these subchannels across the nodes of a WDM network.
US10972207B2 Method and apparatus for modular ROADM and remote DWDM wavelength add/drop
Example embodiments are in a form of a system, corresponding electronics card (or apparatus), or corresponding method. Some embodiments include a multi-channel optical layer system. According to some embodiments, the system may include a network interface layer, an adapter layer, and an optical function layer. The adapter layer may learn functions and/or corresponding specifications from the function layer. The adapter layer may configure the adapter layer itself to interoperate between the network interface layer and the optical function layer. The adapter layer may provide flexibility in the size of configured functionality. The adapter layer may reduce cost of configuration (or reconfiguration) because functions may be discretized. New markets may be reached because of this reduced cost, as well as due to smaller size configurations (of hardware and software), reduced electronics, reduced power, and improved thermal cooling requirements for lesser-developed network configurations.
US10972203B2 Detecting and responding to rendering of interactive video content
A computing system obtains a fingerprint of video content being rendered by a video presentation device, including a first portion representing a pre-established video segment and a second portion representing a dynamically-defined video segment. While obtaining the query fingerprint, the computing system (a) detects a match between the first portion of the query fingerprint and a reference fingerprint that represents the pre-established video segment, (b) based on the detecting of the match, identifies the video content being rendered, (c) after identifying the video content being rendered, applies a trained neural network to at least the second portion of the query fingerprint, and (d) detects, based on the applying of the neural network, that rendering of the identified video content continues. And responsive to at least the detecting that rendering of the identified video content continues, the computing system then takes associated action.
US10972200B2 Data receiving apparatus and data transmitting apparatus
According to an aspect of the present invention, a data receiving apparatus includes a receiver configured to receive a one-way communication packet transmitted from a data transmitting apparatus; a calculator configured to calculate a reception signal strength of the packet at the receiver; a comparison unit configured to compare the calculated reception signal strength with a threshold value; a generation unit configured to generate assistance information relating to transmission power of the data transmitting apparatus if the reception signal strength exceeds a threshold value as a result of the comparison; and an output unit configured to output the assistance information.
US10972196B1 Trigger frame for ranging
A first communication device generates and transmits a first trigger frame. One or more trigger type information fields of the first trigger frame are set to a first one or more respective values that indicates the first trigger frame is for: i) a multi-user (MU) ranging measurement procedure, and ii) causing multiple second communication devices to simultaneously transmit first null data packets (NDPs) as part of a first MU transmission associated with the MU ranging measurement procedure. The first communication device generates and transmits a second trigger frame. One or more trigger type information fields of the second trigger frame are set to a second one or more respective values that indicates the second trigger frame is for i) an MU ranging measurement procedure, and ii) causing the multiple second communication devices to simultaneously transmit feedback packets to the first communication device as part of a second MU transmission associated with the MU ranging measurement procedure.
US10972193B2 Method and apparatus for antenna array calibration with interference reduction
A method and apparatus for calibrating an antenna array are described. Input signals and feedback signals are received, where the feedback signal is a combination of the input signals as captured after having traversed transmit paths and prior to being transmitted at a plurality of sub-arrays. A first interference reduced feedback signals is determined. A current estimation of the impairment function is determined. A second interference reduced feedback signals based on the current estimation of the impairment function, the input signals and the feedback signal. Responsive to determining that the power of the second interference reduced feedback signal satisfies a selection criteria, the current estimation of the impairment function is caused to be used for each one of the plurality of transmit paths for calibration of the antenna array and removing distortion.
US10972192B2 Handler change kit for a test system
An example system includes a receptacle to house a device under test (DUT); an antenna for exchanging signals with the DUT, where at least some of the signals are for use in performing radiated testing of the DUT; and a cap configured to mate to the receptacle to form a housing to enclose the DUT. The housing is for isolating the DUT at least one of physically or electromagnetically.
US10972191B2 Uplink interference geolocation method and system for high throughput satellite
A geolocation method and system for locating the source of interference to a high throughput satellite. The method involves determining relative power level differences between interference signals received by the victim spot beam and co-colored nearby spot beams on the same satellite. Using beam pattern data, the relative power levels for a pair of beams determines contour lines of possible location the correspond to the relative power difference in the signals received by the two beams in the pair. A point of intersection of contour lines from multiple pairs of spot beams indicates the location of the source of interference.
US10972186B2 Method for transmitting data synchronously from an electronic device to an electronic watch
A method for transmitting data from an electronic device to an electronic watch, including the following steps: emitting a sequence of light signals with a light source of the electronic device, each signal having a light-intensity level belonging to a set of at least four light-intensity levels, said sequence corresponding to a code of the data to be transmitted; detecting successive light-intensity levels with a phototransistor of the watch, so as to reconstitute the sequence; and decoding the sequence in order to reconstitute the data, the set of at least four intensity levels being divided into a first portion and a second portion, one light signal in two of the sequence having a light-intensity level belonging to the first portion, the other signals having a light-intensity level belonging to the second portion.
US10972185B2 Active optical cable
An active optical cable (AOC) is disclosed. According to the present disclosure, an AOC, when connected to a network equipment, generates, changes or deletes and then transmits new information necessary for the a network equipment to recognize and operate the AOC itself, and thereby enabling a data center provided with the AOC and the network equipment to perform data communication smoothly without failure.
US10972183B2 N-input receiver: RFoG OBI mitigation with retransmission
A multimode combiner or coupler (MMC) may combine the inputs into a larger core multimode fiber. The multimode combiner may be combined with a re-transmitting laser for detecting and re-transmitting signals. Thus, the multi-mode combiner may detect and combine input signals, and then retransmit the detected, combined signal. The detection can be implemented with multiple single mode fibers to small single mode detectors or a multi-mode coupler with a larger multi-mode detectors. In embodiments of the MMC, a bi-directional optical splitter/combiner includes a transmitter for re-transmitting an RF signal received at a receiver, a first wave division multiplexer (WDM) combiner combining the output of the first transmitter in an upstream direction to a downstream signal in a downstream direction, and a second WDM combiner combining split downstream signals in the downstream direction with upstream signals received via at least two optical fiber inputs.
US10972182B1 Electronically adjustable attenuation wrap plug
A method of using an adjustable attenuation fiber optic wrap plug (“AAFOWP”) includes receiving initial data into a wireless module of the AAFOWP, wherein the initial data corresponds to an initial desired attenuation level that the first AAFOWP is to achieve. The method also includes moving, in response to receiving the initial data, an arm by an actuator to change a bend radius of an optical fiber wrap in the AAFOWP, thus adjusting an attenuation through the AAFOWP to the initial desired attenuation level.
US10972178B2 Parameter analysis method and apparatus
A parameter analysis method executable by a computer, the method includes training a model configured to output an index value relating to a characteristic of an optical signal, and changing the characteristic of the optical signal usable for training the model.
US10972177B2 Efficient resource sharing across diverse networks
An orchestrator server and a terminal are disclosed. The server can include a computer that executes instructions which include, to: instruct a first terminal to communicate wirelessly via a carrier frequency using a first long-range wireless communication (LRWC) mode; determine that, relative to the first terminal, a subtended angle between a satellite and a cellular node is less than an alignment threshold; and based on the determination, transmit a command to the first terminal to communicate wirelessly via the carrier frequency using a second LRWC mode, wherein the first LRWC mode is different that the second LRWC mode.
US10972174B2 Digital repeater system
A digital repeater system for repeating RF signals comprises: a receiving section for receiving an RF input signal, the RF input signal comprising at least one frequency band including a multiplicity of subbands associated with a multiplicity of communication channels; and at least one transmitting section for transmitting the RF output signal. The receiving section is constituted to digitize the RF input signal to obtain a digital input signal and to isolate, within the digital input signal, the multiplicity of subbands from each other to obtain a multiplicity of digital subband signals. The at least one transmitting section is constituted to combine the digital subband signals to obtain a digital output signal and to convert the digital output signal to an RF output signal. In addition, the receiving section comprises a power profile estimation unit for determining a power estimate for each digital subband signal associated with the multiplicity of subbands and a muting device for muting a digital subband signal of a particular subband based on the power estimate. In this way a digital repeater system for repeating RF signals is provided which allows for a detection of unused portions of a frequency band in order to improve the performance of the overall system.
US10972173B2 Wireless communication device
In accordance with an embodiment, a wireless communication device constituting a wireless mesh network that transmits information through multi-hop communication comprises a communication section configured to transmit a message addressed to a wireless communication device different from its own wireless communication device through broadcast communication on a first frequency channel; and a control section configured to change a communication channel of the communication section from the first frequency channel to a second frequency channel for communication of a response signal responding to the message after the message is transmitted by the communication section.
US10972169B2 Method for feedback of channel quality information in wireless communication system, and device for same
The method for feedback of channel quality information in a wireless communication system, according to one embodiment of the present invention, is performed by a terminal and comprises the steps of: receiving feedback configuration information, including information on disjoint segmentation indicating the indexes of channel or beam quality-related parameters for broadcast or multicast services, from a base station; and according to the information on disjoint segmentation in the feedback configuration information, encoding the index of a channel or beam quality-related parameter to be reported and transmitting same to the base station, wherein the disjoint segmentation includes multiple subsets which do not overlap and which have different lengths, and the index of the channel or beam quality-related parameter, which is transmitted to the base station, may indicate a predetermined value in one subset among the multiple subsets.
US10972167B2 User apparatus, base station, and communication method
A user apparatus communicating with a base station in a radio communication system including the base station and the user apparatus includes a first receiving unit to receive multiple first reference signals transmitted from the base station; a detection unit to detect a specific antenna port via which the plurality of first reference signals is received, or a specific directivity pattern, among a plurality of directivity patterns generated by a plurality of antenna ports, in which the plurality of first reference signals are received; a measuring unit to measure reception power of each of the first reference signals; and a transmission unit to group the reception power of each of the first reference signals into one of groups of the specific antenna port and the specific directivity pattern via which the first reference signals are received to transmit the groups of the reception power to the base station.
US10972166B2 Method and apparatus for MIMO transmission
The present disclosure relates to methods and apparatuses. According to an embodiment of the disclosure, a method comprises: transmitting the number of antenna panels equipped at a user equipment (UE), transmitting the number of panel groups (PGs), transmitting PG information indicating which antenna panel is grouped into which PG, transmitting the number of coherent PGs (CPGs), and transmitting CPG information indicating which PG is grouped into which CPG.
US10972163B2 Transmission method, transmission device, reception method and reception device
A transmission method includes generating a first precoded signal and a second precoded signal by performing a precoding process on a first baseband signal and a second baseband signal, outputting a third signal by inserting a pilot signal into the first precoded signal, outputting a fourth signal by applying a first phase change to the second precoded signal, outputting a fifth signal by inserting a pilot signal into the fourth signal, and outputting a sixth signal by applying a second phase change to the fifth signal.
US10972160B1 Wireless communications over multiple input multiple output (MIMO) layers based on backhaul link quality
A wireless access node serves wireless User Equipment (UEs) over Multiple Input Multiple Output (MIMO) layers. The wireless access node wirelessly exchanges user data with some of the wireless UEs. The wireless access node exchanges the user data over backhaul links. The wireless access node determines backhaul link quality. The wireless access node accepts the attachment of a new wireless UE. The wireless access node selects an amount of MIMO layers for the new wireless UE based on the backhaul link quality. The wireless access node wirelessly exchanges user data with the new wireless UE over the selected amount of the MIMO layers.
US10972151B2 Tag reader transmitter with high-Q antenna
Radio-frequency transmission and reception circuitry is adapted for use with a high-quality-factor antenna. On the transmission side, control circuitry is provided to maintain resonance at the transmission frequency. On the reception side, multiple receive paths are independently controllable for temporal and amplitude alignment.
US10972148B2 Signal boosters with compensation for cable loss
Apparatus and methods for signal booster systems with compensation for cable loss are provided herein. In certain configurations, a signal booster system includes two or more antennas for wirelessly communicating RF signals and a signal booster including booster circuitry for providing amplification to at least a portion of the RF signals. At least one of the antennas is connected to the signal booster via a cable. Additionally, the signal booster includes a cable loss compensation circuit that adjusts a gain of the booster circuitry to compensate for a loss of the cable.
US10972146B2 Generating a frequency hopping arrangement for a communication session involving a group of devices
Methods, apparatus, and processor-readable storage media for generating a frequency hopping arrangement are provided herein. An example computer-implemented method includes determining a starting frequency channel for a frequency hopping arrangement to be used in a communication session by a designated group of devices; calculating a frequency channel step value based at least in part on a predetermined required minimum number of frequency channels and the number of devices in the designated group; and selecting the frequency channel values to be used in the communication session by iterating through frequency channel values for the useable frequency channels at intervals of a random frequency channel selection offset value until a number of frequency channel values equal to the frequency channel step value are selected.
US10972145B1 Method for antenna selection for concurrent independent transmissions via multiple antennas
A communication device has a controller that selects one of a second antenna and at least one alternate second antenna for concurrent transmission with a first antenna. The controller monitors concurrent communication activity of the first and the second transmitter. Based on the concurrent communication activity, the controller identifies respective transmit power limits associated with intermodulation distortion (IMD) for the first antenna transmitting at the first transmit frequency and one of the second antenna and the at least one alternate second antenna transmitting at the second transmit frequency and having respective antenna isolation levels to the first antenna. The controller identifies, available total radiated power (TRP), respectively, for the second antenna and the at least one alternate second antenna and connects the second transmitter to one of the second antenna and the at least one alternate second antenna having the highest available TRP to optimize communication performance.
US10972144B2 Communication systems with body worn plate design
Systems and methods for operating a communication device. The methods comprise: concealing the communication device and/or at least one cable in a ballistic wearable item (e.g., a ballistic vest) such that the communication device resides in a storage slot for a trauma plate, where the communication device comprises a frame having a cross-sectional profile that matches a cross-sectional profile of the trauma plate by a given amount (e.g., 75-100%); and performing communication operations by a radio module integrated with the frame of the communication device.
US10972143B2 Information processing device and information processing program
An information processing device is an information processing device (a DCM or a processing device) that is provided in a vehicle mounted with communication equipment or is provided in an external device (a center server) configured to perform communication with the communication equipment, and includes a storage unit configured to store association information in which equipment identification information unique to a DCM and vehicle identification information unique to an authorized vehicle mounted with the DCM are associated. With this configuration, it is possible to determine whether or not the DCM is mounted in an authorized vehicle using the stored association information, for example, by comparing the vehicle identification information of the authorized vehicle associated with the equipment identification information unique to the DCM with received vehicle identification information. For this reason, it is possible to specify the authorized vehicle mounted with the DCM.
US10972137B2 Multiprotocol modular communication system
A multiprotocol modular communication system, comprising: a main circuit (1), provided with an antenna connector (5) for enabling connection of an antenna (4); two or more connectors (2, 2a, 2n), provided with a first pin (10) and a second pin (11) connectable to one another, wherein the first pin (10) of a first connector (2) is connected to the antenna connector (5) by means of a track (6); two or more communication boards (3), each operating with a determined communication protocol, each of which is insertable in a respective connector (2, 2a, 2n), wherein each communication board (3), if inserted in a connector (2, 2a, 2n), connects the first pin (10) and the second pin (11) of the connector. The connectors (2, 2a, 2n) are connected in series via band-pass filters (7, 8).
US10972135B2 Apparatus and method for transmitting/receiving forward error correction packet in mobile communication system
An apparatus and method for transmitting/receiving a Forward Error Correction (FEC) packet in a mobile communication system are provided. In the FEC packet transmission method, an FEC packet transmission apparatus transmits an FEC delivery block to an FEC packet reception apparatus. The FEC delivery block includes N payloads. Each of the N payloads includes a payload header. Each payload header included in each of C payloads among the N payloads includes packet oriented header information and an FEC delivery block oriented header information fragment. The packet oriented header information is applied to a related payload, and the FEC delivery block oriented header information fragment is generated by fragmenting FEC delivery block oriented header information applied to the N payloads.
US10972133B2 Flag fault-tolerant error correction with arbitrary distance codes
Fault-tolerant error correction (EC) is desirable for performing large quantum computations. In this disclosure, example fault-tolerant EC protocols are disclosed that use flag circuits, which signal when errors resulting from υ faults have weight greater than υ. Also disclosed are general constructions for these circuits (also referred to as flag qubits) for measuring arbitrary weight stabilizers. The example flag EC protocol is applicable to stabilizer codes of arbitrary distance that satisfy a set of conditions and uses fewer qubits than other schemes, such as Shor, Steane and Knill error correction. Also disclosed are examples of infinite code families that satisfy these conditions and analyze the behaviour of distance-three and -five examples numerically. Using fewer resources than Shor EC, the example flag EC protocols can be used in low-overhead fault-tolerant EC protocols using large low density parity check quantum codes.
US10972132B2 Method and apparatus for rate-matching of polar codes
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. In accordance with an aspect of the present disclosure a method by a transmitter using a polar coding is provided. The method includes identifying a length of interleaved transmission bits; identifying a length of a buffer corresponding to the interleaved transmission bits; determining a procedure from a first procedure and a second procedure based on at least one of the length of interleaved transmission bits and the length of buffer, if the length of the interleaved transmission bits is less than the length of the buffer; and storing the interleaved transmission bits at the buffer based on the determined procedure.
US10972131B2 Low density parity check encoder having length of 16200 and code rate of 2/15, and low density parity check encoding method using the same
A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 16200 and a code rate of 2/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM).
US10972123B1 Signal processing structure
A signal processing structure and method are presented. A first digital filter operates on received sigma-delta modulated (SDM) input signals. A second pre-processing digital filter receives a SDM input signal, directly low pass filter the SDM input signal and provides an output SDM signal. The output sigma-delta modulated signal is provided as an input for said first digital filter. In standard digital systems operating with digital microphones, filtering of the microphones' output signal requires to first convert the signal into pulse code modulation (PCM), then filter and finally convert back to pulse density modulation (PDM). This approach increases the latency of the system because decimation and interpolation must be performed in order to pass from PDM to PCM. By using filters that operate directly on the oversampled PDM output of the digital microphones it is possible to reduce the latency of the system and minimize the hardware area.
US10972121B2 System and method for signal resampling
An instrument configured to process signal data is disclosed. The instrument is operable to control and or change the sampling rate of the signal data from a first sample rate to a second sample rate different than the first sample rate.
US10972120B1 Monotonicity self-testing for analog-to-digital converters
A method for operating an ADC includes storing a sampled input charge on a capacitance of a sample-and-hold circuit including a DAC. The sampled input charge is stored using a first reference signal coupled to the DAC and a second signal. The sampled input charge has a value based on a first digital code. The method includes converting a second digital code to an analog signal on the first node using the DAC, the sampled input charge, and the first reference signal. The second digital code is one least-significant bit different from the first digital code. The method includes generating a monotonicity indicator indicating whether an output analog signal of the DAC is monotonic in response to a transition of a digital input of the DAC from the first digital code to the second digital code based on a comparison of the analog signal to the second signal.
US10972118B1 Successive-approximation analog-to-digital converter gain calibration using floating capacitors
A successive-approximation ADC includes an input capacitance coupled to a first node and configured to store a sampled input charge based on an input analog signal during a first phase of an analog-to-digital conversion. A gain tuning capacitance configured to store a first portion of the sampled input charge during a second phase of the analog-to-digital conversion. A charge-redistribution DAC includes a conversion capacitance configured to store a second portion of the sampled input charge during the second phase and configured to use the second portion, a remaining portion of the sampled input charge, and a reference voltage to provide an analog signal on the first node corresponding to a digital output code approximating the input analog signal at an end of the third phase. The gain tuning capacitance sequesters the first portion of the sampled input charge from the charge-redistribution DAC during the third phase.
US10972115B1 Methods and apparatus for calibrating a regulated charge sharing analog-to-digital converter (ADC)
A method of operation in an analog-to-digital converter (ADC) includes performing a calibration operation. The calibration operation includes sampling an input analog reference voltage. A sequence of charge sharing transfers is then performed with a charge sharing regulator to transfer an actual amount of charge between a charge source and a charge load based on the input analog reference voltage. The transferred actual amount of charge is compared to a reference charge value corresponding to the reference voltage. A control input to the charge sharing regulator is adjusted to correspondingly adjust charge sharing of a subsequent amount of charge based on the comparing.
US10972104B2 Superconducting logic components
The various embodiments described herein include methods, devices, and systems for operating superconducting circuitry. In one aspect, a superconducting component includes: (1) a superconductor having a plurality of alternating narrow and wide portions, each wide portion having a corresponding terminal; and (2) a plurality of heat sources, each heat source thermally coupled to a corresponding narrow portion such that heat from the heat source is transmitted to the corresponding narrow portion; where the plurality of heat sources is electrically isolated from the superconductor.
US10972102B2 Interface circuit
An interface circuit serves to receive an input signal VIN having a high level defined as a high potential VIH and a low level defined as a low potential VIL, and output an output signal VOUT having a high level defined as a high potential VOH and a low level defined as a low potential VOL. The interface circuit includes a polarity controller configured to control the output signal VOUT to be in phase in level with the input signal VIN or to be reversed in polarity with respect to the input signal VIN, depending on whether the high potential VIH or the low potential VIL is a GND potential.
US10972101B2 Level shifters, memory systems, and level shifting methods
Level shifters, memory systems, and level shifting methods are described. According to one arrangement, a level shifter includes an input configured to receive an input signal in a first voltage domain, an output configured to output an output signal from the level shifter in a second voltage domain different than the first voltage domain, a plurality of pull-down devices, and wherein one of the pull-down devices is coupled with the input and the output, a plurality of cross-coupled devices coupled with the pull-down devices and configured to provide transitions in the output signal as a result of transitions in the input signal, a plurality of current limiting devices coupled with the cross-coupled devices and configured to limit a flow of current from a source to the cross-coupled devices, and a plurality of dynamic devices configured to selectively provide charging current from the source to the cross-coupled devices.
US10972099B2 Touch keyboard having low noise interference
A capacitive touch system including a drive end, a capacitive touch sensing device and a detection end is provided. The drive end inputs a modulated drive signal into an input channel of the capacitive sensing device, wherein the modulated drive signal includes a plurality of driving frequencies. The detection end detects a detection signal of an output channel of the capacitive sensing device and generates a two-dimensional detection vector corresponding to each of the driving frequencies. The capacitive touch system includes a touch panel or a touch keyboard.
US10972098B2 Tunable device including tunable member responsible to electric field applied thereto, transducer including the tunable device, and method of changing one of stiffness and damping coefficient of tuning the tunable device
A tunable device includes a deformable dielectric unit formed with a receiving space, and a tunable member received in the receiving space and responsible to an electric field applied to the tunable member. A transducer is also provided, and includes at least one of the tunable device and one of a driver unit, a sensing unit and the combination thereof in signal transmission with the tunable device. A method of tuning the tunable device is also provided.
US10972093B2 Auxiliary circuit and power converter
An auxiliary circuit for outputting a supplying voltage or a detection signal includes a normally-on device and a signal processing circuit. A drain terminal of the normally-on switching device is coupled to a first terminal, a gate terminal of the normally-on switching device is coupled to a second terminal. An input voltage between the first terminal and the second terminal switches between two different levels. The signal processing circuit is configured to output the supplying voltage or the detection signal according to a voltage at a source terminal of the normally-on switching device.
US10972083B2 Supply voltage decoupling circuits for voltage droop mitigation
Circuits and methods are provided for utilizing decoupling capacitors to mitigate voltage droop on power supply lines of a power distribution network. A power supply line is capacitively decoupled using a first decoupling capacitor connected to the power supply line and charged to a first voltage level of the power supply line. A second decoupling capacitor is pre-charged to a second voltage level greater than the first voltage level and held in standby. A control circuit determines or predicts an occurrence of a droop event in which the first voltage decreases to a level which is at or below a droop threshold voltage level, and selectively connects the pre-charged second decoupling capacitor to the power supply line to source additional boosting current through discharging of the second decoupling capacitor and thereby capacitively decouple the power supply line using the higher second voltage and additional boosting current.
US10972079B2 Common mode voltage level shifting and locking circuit
A common mode voltage level shifting and locking circuit is provided. The common mode voltage level shifting and locking circuit includes an operational amplifier, a source follower, a first feedback circuit, and a second feedback circuit. The operational amplifier generates a first common mode voltage. The source follower shifts the first common mode voltage to generate a second common mode voltage. The first feedback circuit generates a first control signal according to the second common mode voltage. The operational amplifier adjusts the first common mode voltage according to the first control signal. The second feedback circuit generates a second control signal according to an external reference voltage provided by a next stage circuit. The source follower adjusts the second common mode voltage according to the second control signal such that the next stage circuit reaches a maximum input common mode range.
US10972075B2 Active quadrature circuits for high frequency applications
An active quadrature generation circuit configured to provide an in-phase output signal and a quadrature output signal based on an input signal and a method of fabricating the active quadrature generation circuit on an integrated circuit are described. The circuit includes an input node to receive the input signal and a first transistor including a collector connected to a power supply pin. The circuit also includes a second transistor including a base connected to the power supply pin, the second transistor differing in size from the first transistor by a factor of K, wherein the in-phase output signal and the quadrature output signal are generated based on an inherent phase difference of 90 degrees between a current at a collector of the first transistor and a current at a base of the second transistor.
US10972074B2 Solid state relay
The disclosure relates to solid state relay circuit for switching an electrical load. The solid state relay circuit may include a relay transistor; and a driver circuit comprising a constant current source. The driver circuit is configured and arranged to switchably operate the relay transistor, and the relay transistor is configured and arranged to switchably operate the electrical load.
US10972072B2 Composite multiplexer
A composite multiplexer includes a first multiplexer, a second multiplexer, and a second LC circuit. The first multiplexer includes first band pass filter circuits and first LC circuits connected to end portions of the first band pass filter circuits that are opposite to a first terminal, respectively. The second multiplexer includes second band pass filter circuits. The second LC circuit is connected between the first terminal and the second multiplexer.
US10972071B2 Resonator device
A resonator with stabilized resonant frequency that includes a lower electrode, a plurality of upper electrodes, and a piezoelectric film disposed between the lower electrode and the plurality of upper electrodes. Moreover, an upper lid having a first and second opposing surfaces is provided so that the first surface faces and seals a first surface of the resonator. In addition, a lower lid having a first and second opposing surfaces is provided so that the first surface faces and seals a second surface of the resonator. The resonator further includes a power terminal electrically connected to the upper electrodes and a ground terminal provided on the second surface of the upper lid. The lower electrode is electrically connected to the ground terminal by the upper lid.
US10972068B2 Process-invariant delay cell
An integrated circuit (IC) device includes a first resistive strip having an input terminal and an output terminal. The IC device further includes a second resistive strip having a terminal coupled to a voltage. The second resistive strip may be coplanar with the first resistive strip. The IC device further includes a capacitor formed by the first resistive strip and the second resistive strip.
US10972061B2 Class-D amplifier with multiple independent output stages
A Class-D amplifier having a low power dissipation mode includes first and second independent output stages that receive respective first and second level power supply voltages for driving a load coupled to the amplifier output during respective first and second operating modes. Bypass switches are controllable to disconnect the second output stage from the output during the first operating mode and to connect the second output stage to the output during the second operating mode. The operating modes are selected based on the amplifier output power level. First and second independent pre-driver stages receive the respective first and second level power supply voltages for driving the respective first and second independent output stages. During the second operating mode the first pre-driver stage is placed into a low power dissipation state and during the first operating mode the second pre-driver stage is placed into a low power dissipation state.
US10972059B2 MEMS sensor
A MEMS sensor (1) comprises a MEMS transducer (10) being coupled to a MEMS interface circuit (20). The MEMS interface circuit (20) comprises a bias voltage generator (100), a differential amplifier (200), a capacitor (300) and a feedback control circuit (400). The bias voltage generator (100) generates a bias voltage (Vbias) for operating the MEMS transducer. The variable capacitor (300) is connected to one of the input nodes (I200a) of the differential amplifier (200). At least one of the output nodes (A200a, A200b) of the differential amplifier is coupled to a base terminal (T110) of an output filter (110) of the bias voltage generator (100). Any disturbing signal from the bias voltage generator (100) is a common-mode signal that is divided equally on the input nodes (I200a, I200b) of the differential amplifier (200) and is therefore rejected.
US10972054B2 Systems and methods for automatically biasing power amplifiers using a controllable current source
Embodiments of systems and method for automatically biasing power amplifiers using a controllable current source are disclosed. In an embodiment, a bias controller for a power amplifier includes a first reference device source/drain interface, a first controllable current source configured to generate a first reference current in response to a first current control signal and to provide the first reference current to the first reference device source/drain interface, a first reference device gate interface, a first current-to-voltage controller configured to generate a first stabilized voltage in response to the first reference current and to provide the first stabilized voltage to the first reference device gate interface, and a first power amplifier (PA) interface configured to output a first control voltage in response to the first stabilized voltage.
US10972052B2 Method and apparatus for providing selective pre-signal amplifier, supply power conditioning
The present application provides a pre-signal amplifier, supply power conditioning apparatus, a wireless communication device and a method for providing selective pre-signal amplifier, supply power conditioning. A selective voltage supply boost stage is included, which has an input coupled to a voltage supply source for receiving a voltage supply, and an output for producing a selectively boosted voltage supply source. A voltage boost circuit is further included having a voltage boost control input coupled to a modem for controlling when the selectively boosted voltage supply source produced at the output is boosted. When the voltage boost control input identifies at least one of one or more modes in which the modem is currently operating, that a boost to the received voltage supply is desired, the resulting selectively boosted voltage supply source produced at the output is boosted.
US10972051B2 Power amplifier circuit
A power amplifier circuit includes a first amplifier that amplifies an input signal and outputs an output signal; a second amplifier that, in accordance with a control signal, amplifies a signal corresponding to the input signal, generates a signal having an opposite phase to that of the output signal, and adds the signal to the output signal; and a control circuit that supplies the control signal to the second amplifier. The control circuit outputs the control signal so that during operation of the power amplifier circuit in a first power mode, a gain of the second amplifier is not less than zero and less than a predetermined level and during operation in a second power mode lower than the first power mode in output power level, a gain of the second amplifier is not less than the predetermined level and less than a gain of the first amplifier.
US10972050B1 Temperature- and voltage-independent oscillator circuit
A temperature- and voltage-independent oscillator circuit including a bias circuit configured to generate a reference voltage based on a reference current and a bias resistor; a signal generator circuit configured to generate a bias current based on the reference current, and generate an oscillation signal by repeatedly charging a capacitor using the bias current, and discharging the charged capacitor; and a control circuit configured to control the charging of the capacitor and the discharging of the charged capacitor based on the reference voltage and a voltage of the oscillation signal, wherein a period of the oscillation signal is determined by a resistance value of the bias resistor and a capacitance value of the capacitor.
US10972049B2 Oscillation apparatus
An oscillation apparatus includes a correction circuitry including a first amplifier and a second amplifier, and an oscillation circuitry. The first amplifier amplifies a difference between a first voltage having a first temperature characteristic and a second voltage having a second temperature characteristic different from the first temperature characteristic to generate a third voltage having a third temperature characteristic different from both the first temperature characteristic and the second temperature characteristic. The second amplifier amplifies a difference between a sum of the second voltage and the third voltage, and, a feedback voltage, to generate a fourth voltage which corrects an oscillation frequency of an oscillation voltage. The oscillation circuitry outputs the oscillation voltage controlled in frequency based on the fourth voltage.
US10972039B2 Device and method for controlling an electric machine
The invention provides a device (10) and a method for controlling an electric machine (1). The method comprises the steps of: providing (S01) a desired torque value (54) for a torque to be exerted by the electric machine (1); determining (S02) a fault signal (51) which indicates a fault state of the electric machine (1); determining (S03) a current rotor angle value (56) of the electric machine (1); determining (S04) a fault state operating point (62; 62′) on the basis of the desired torque value (54) provided, the determined fault signal (51) and the determined current rotor angle value (56); and shifting or moving (S05) an operating point, at which the electric machine (1) is operated, from a normal state operating point (61) to the determined fault state operating point (62; 62′).
US10972038B2 Stepless motor driving circuit and associated driving method
A stepless motor driving circuit provides a sinusoidal shaped chopping signal for driving a motor. The driving circuit has: a switch circuit having an input which receives a rectified signal rectified from a sinusoidal AC signal and having a first output and a second output where the motor is coupled between; a synchronizing signal generating circuit which generates a synchronizing signal relating to the sinusoidal AC signal; and a switch driving circuit which selects and chops at least one switch in the switch circuit according to the synchronizing signal, and to form the sinusoidal shaped chopping signal which is corresponding to the sinusoidal AC signal.
US10972035B2 Motor drive apparatus for estimating stray capacitance
A motor drive apparatus includes an inverter configured to convert an input DC voltage into an AC voltage for driving a motor, by ON/OFF driving of an internal power element, and outputs the AC voltage, a high-frequency current detection unit configured to detect a high-frequency current from a current flowing through a motor power line upon application of the AC voltage output from the inverter to the motor via the motor power line, and a stray capacitance estimation unit configured to estimate a stray capacitance occurring in the motor power line and the motor, based on the high-frequency current detected by the high-frequency current detection unit.
US10972023B2 Power tool and control method thereof
A power tool and a control method of the power tool are provided. The power tool includes a rotor and a stator having a first phase winding, a second phase winding and a third phase winding; a power supply module configured to power the motor; a drive circuit configured to electrically connecting the power module to at least two of the first phase winding, the second winding, and the third phase winding; a controller configured to control the drive circuit to connect the first phase winding, the second phase winding, and the third phase winding to the power supply module according to a rotational position of the rotor.
US10972019B2 Ultrasonic motor and lens driving apparatus
An ultrasonic motor includes a vibrator configured to generate a vibration, a relatively movable member configured to be movable by the vibrator, wherein the relatively movable member is movable relatively according to the vibration of the vibrator, a holding unit configured to hold the vibrator, wherein the holding unit includes a first holding member configured to hold the vibrator and a second holding member; and a damping member provided between the vibrator and the second holding member and configured to reduce a vibration transmitted to the second holding member, a pressure unit configured to press the vibrator against the relatively movable member, wherein the second holding member is configured to press the vibrator against the relatively movable member, and wherein the first holding member is made of a material having a higher damping capability against the vibrator than a material of the second holding member.
US10972015B2 Method of initiating a regenerative converter and a regenerative converter
The invention is related to a method of initiating a regenerative converter (1) and corresponding converter (1) including a line bridge (2) and a machine bridge (3), which are interconnected via a DC intermediate circuit (8A, 8B). The method comprises charging, through the line bridge (2) and while the machine bridge (3) remains inactive, the DC intermediate circuit (8A, 8B) to a target voltage (14) higher than peak value of the mains voltage (13).
US10972004B2 Voltage converter and method for voltage conversion
A voltage converter includes a first to a third capacitor, a supply terminal, a first and a second clock terminal and a transfer arrangement, wherein a first electrode of the first capacitor is connected to the first clock terminal and a second electrode of the first capacitor is connected to a first node of the transfer arrangement, wherein a first electrode of the second capacitor is connected to the second clock terminal and a second electrode of the second capacitor is connected to a second node of the transfer arrangement, and wherein a first electrode of the third capacitor is permanently and directly connected to the second electrode of the first capacitor and a second electrode of the third capacitor is connected to a third node of the transfer arrangement.
US10972000B2 Supply system to a set of loads connected in parallel to a direct current supply bus
The invention relates to a supply system for a plurality of loads connected in parallel to a direct current supply bus. The supply system includes a DC supply bus and a plurality of supply lines connected in parallel to the supply bus and supplying the said loads. The supply system includes uncoupling and damping means that is adapted to decrease the unipolar signals travelling within the supply system while the loads are being supplied. The uncoupling and damping means includes at least one inductance arranged in series in at least one of the supply lines. Protective means (are also provided for protection in the event of a fault.
US10971997B2 Burst mode routine for switched mode power converter
A method for providing an output power of a switched mode power converter comprises the steps of determining a block length and, if a set value of the output power is below a first power threshold, preventing a power flow through the converter in each period of the multiphase AC voltage for at least one blocking interval. Each blocking interval has a duration of one block length. The switched mode power converter has a multiphase AC side with a number N of conductors for receiving a multiphase AC voltage. The number N of conductors is at least three. Power flows into the switched mode power converter through a combination of current-carrying conductors. The block length is defined by a time span between two subsequent changes of the combination of the current-carrying conductors.
US10971993B2 Fault detection
A vehicle includes an inverter having a supply bus including a contactor operable to conduct current through a resistive element connected to a capacitive element having a voltage supplied by a battery. The vehicle includes a controller configured to energize a first gate of the inverter. The energization is responsive to the voltage exceeding a threshold. The controller is configured to detect current flow between a first phase associated with the gate and the bus based on a voltage drop associated with the voltage.
US10971992B2 Start-up circuit to discharge EMI filter for power saving of power supplies
A start-up circuit to discharge EMI filter is developed for power saving. It includes a detection circuit detecting a power source for generating a sample signal. A sample circuit is coupled to the detection circuit for generating a reset signal in response to the sample signal. The reset signal is utilized for discharging a stored voltage of the EMI filter.
US10971988B2 Latching devices
Described herein are latching devices where relative speed of movement between members is in part controlled or reduced via eddy current formation and in part controlled or relative motion stopped via a latch arrangement. Various embodiments are described, one being use of a conductive member; at least one magnetic field and a latch member that, prior to latching, moves independently to the at least one conductive member. A kinematic relationship exists between the conductive member and at least one magnetic field that enables the conductive member to move at a different speed relative to the magnetic field on application of an energizing force, thereby inducing an eddy current drag force by relative movement of the conductive member in the magnetic field. The eddy current drag force resulting causes movement of the conductive member causing the conductive member to engage the latch member thereby halting movement between the at least one conductive member and the at least one latch member.
US10971987B2 Method for open-loop and/or closed-loop control of a linear drive, the control device, a linear drive and a system
A method for open-loop and/or closed-loop control of a linear drive, a linear drive; and a system, wherein the linear drive includes at least one segment, at least one rotor, at least one machine station and a control device, where the at least one rotor is moved in a direction via the at least one segment, at least a portion of at least one segment is within a region accessible by the machine station, the movement of the at least one rotor is controlled in an open-loop and/or closed-loop manner by the control device and/or control unit, the controlling occurs in accordance with a movement pattern for the rotor, and where the movement of a particular rotor in the region accessible by the associated machine station is specified by a movement profile in accordance with the mode of operation of the associated machine station.
US10971981B2 Position sensor and method for generating a sensor output signal
A position sensor (10) comprise at least a magneto sensitive element (11-14), a signal evaluation unit (16) that is coupled to the at least one magneto sensitive element (11-14) and is configured to generate an measurement signal (SM), an output stimulation unit (17) configured to generate a set signal (ST) and an interface unit (18) that is coupled at its input side to the signal evaluation unit (16) and the output stimulation unit (17). The interface unit (18) is configured to provide a sensor output signal (SOUT) depending on the measurement signal (SM) in a measurement mode of operation and depending on the set signal (ST) in a calibration mode of operation.
US10971979B2 Coil segment forming apparatus, coil segment forming method and manufacturing apparatus of electrical rotating machine
A coil segment forming apparatus, a coil segment forming method and a manufacturing apparatus of an electrical rotating machine, whereby coil segments with various kinds of shape can be formed without exchanging a press die, and it is not necessary that a lot of coil segments of various kinds of shape are preliminarily formed and stocked is provided. The coil segment forming apparatus includes a first bending section for bending in the same plane a linear wire rod into a predetermined shape 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. The first bending section has a plurality of jigs arranged on the same plane for supporting the wire rod, and a plurality of drive mechanisms for moving respectively the plurality of jigs on the same plane so that the wire rod is formed in the predetermined shape based on moving amounts respectively set depending on shape conditions of the coil segment to be formed.
US10971976B2 Electric drive device and electric power steering device
A position detecting purpose permanent magnet 51 constituting a position detection sensor is installed at an opposite side to an output side of a rotational shaft 45 of a rotor housed within a motor housing 11A. A GMR element 56 which constitutes the position detection sensor and a position detection circuit thereof are installed on a side of a motor cover 48 on which a position detection purpose permanent magnet 51 is arranged. GMR element 56 is arranged on a position opposed against the position detection purpose permanent magnet. Thus, since the GMR element and the position detection purpose permanent magnet is installed, a mutually positioning assembly (attachment) accuracy can be improved. In addition, since the electric power conversion circuit and both of the GMR element and its position detection circuit are kept away, such an effect that an accurate detection signal can be obtained can be achieved.
US10971975B2 System and method for stator slot encapsulation using injected polymer
A method for improving thermal conduction in a stator having electrically conductive windings wound in a plurality of gaps formed between adjacent pairs of a plurality of teeth of the stator. A plurality of interstitial spaces are formed within each of the gaps during winding of the electrically conductive windings around the teeth. A plug is arranged within each one of the gaps to close off slot openings. A thermally conductive filler compound is injected into each gap under sufficient pressure to at least substantially fill the interstitial spaces within each gap and to at least substantially encapsulate the electrically conductive windings. The thermally conductive filler compound is then allowed to set.
US10971972B2 Self-powered pipeline hydrate prevention system
A system for preventing hydrate formation in a pipeline includes a heater housing. The heater housing has an outer diameter sized to travel within the pipeline. A turbine assembly is located within the heater housing. The turbine assembly has a blade that is rotatable by a flow of fluid within the pipeline. An electric heater is located within the heater housing and is electrically connected to the turbine assembly. The electric heater is selectively contacted by the flow of fluid within the pipeline.
US10971969B2 Low-profile rotor for magnetic bearing assemblies
A rotor is for angularly displacing a work piece about a central axis and includes an annular, central axial portion centered about the axis and having opposing, first and second axial ends and inner and outer circumferential surfaces. An outer radial portion extends radially-outwardly from the first axial end of the central portion such that an outer generally annular cavity is at least partially defined between the central portion and the outer radial portion. Further, an inner radial portion extends generally radially-inwardly from the second axial end of the central portion such that an inner generally annular cavity is at least partially defined between the central portion and the inner radial portion. One or more motor stators are disposed at least partially within the outer or inner cavity and are each configured to angularly displace the rotor about the central axis, and preferably contactlessly drives the rotor.
US10971966B2 Power tool with partition assembly between transmission and motor
A power tool includes a tool housing and a motor assembly received in the tool housing. The motor assembly has a rear end portion, a front end portion, and a motor output shaft. A transmission housing is coupled to the motor housing with a transmission received in the transmission housing, to which the motor output shaft is drivingly coupled. A partition assembly includes a rear cover covering a rear end portion of the transmission housing that faces the front end portion of the motor. The rear cover of the transmission housing and the front end portion of the motor together define at least a first labyrinth path and a second labyrinth path therebetween configured to inhibit grease or dust migration between the transmission housing and the motor assembly.
US10971964B2 Stator for a multiphase electric motor and method of making
A stator for a multiphase electric motor includes a plurality of laminates stacked to form a cylindrical stator core having a plurality of longitudinal slots; a plurality of electrical conductors grouped into a plurality of discrete electrical circuits, each of the plurality of the electrical conductors forming a plurality of coils in the slots spaced about the stator core, and each of the coils having a pair of leads; a plurality of bus cables, each of the plurality of bus cables having a mechanical connection to the pluralities of coils at ends of the slots; and wherein one of the leads from each of the coils is electrically connected to one of the plurality of bus cables.
US10971963B2 Insulator of stator and stator
An insulator is configured to couple to a top portion of a stator core and includes: a main body that has a ring shape; a plurality of insulating teeth that protrude toward a center portion of the main body and that are configured to couple to a plurality of teeth of the stator core, respectively; and a plurality of guide tabs that protrude from an outer circumferential surface of the main body at positions corresponding to the plurality of insulating teeth. The plurality of guide tabs are configured to guide (i) phase coils that are wound around the plurality of insulating teeth and (ii) neutral coils along the outer circumferential surface in a circumferential direction. Each of the plurality of guide tabs defines a plurality of guide grooves, each of the plurality of guide grooves being configured to seat at least one of the phase coils or the neutral coils.
US10971962B2 Stator with a winding interconnection and method of making same
A stator of an electronically-commutated DC motor, with a stator core, an insulating cap, a stator winding, and a winding interconnection, wherein the winding interconnection consists of several sheet-metal elements and several insulating elements which are arranged between the sheet-metal elements. The aim of the invention is to provide a simple design for a generic stator consisting of easy-to-manufacture and easily-shaped components, wherein production tolerances can be compensated for in a simple manner. A further aim consists of being able to use reliable and proven production processes which are also as easy as possible to monitor.
US10971961B2 Rotor sleeve of driving motor and driving motor including the same
A rotor sleeve provides a direct cooling method in which oil flows into the rotor sleeve via a flow passage formed through an input shaft of a transmission and is distributed to a motor coil of a driving motor to cool the motor coil. The rotor sleeve has a flow passage structure capable of maintaining a balance between the amount of oil to be distributed toward a transmission and the amount of oil to be distributed toward an engine.
US10971956B2 Leakage magnetic field shielding device and wireless power transmission system including the same
A leakage magnetic field shielding device includes: a leakage magnetic field determining unit for determining phase and magnitude of a leakage magnetic field based on information obtained from a power supply device and a current collector device; a shielding current controller for determining a shielding current based on the phase and magnitude of the leakage magnetic field and supplying the determined shielding current to the leakage magnetic field shielding device; and a shielding unit for shielding the leakage magnetic field by generating a shielding magnetic field in accordance with the supply of the shielding current. The shielding unit has a multiple resonance characteristic depending on an arrangement of capacitors and coils and is disposed to surround the power supply device or the current collector device. The shielding magnetic field has resonance frequencies canceling magnetic fields corresponding to fundamental frequency and multiple frequency of the leakage magnetic field.
US10971952B2 Wireless power transfer device
The present invention improves charging efficiency in a wireless power transfer device. A wireless power transfer device wirelessly transfers power by using inductive coupling to a charging target device placed in the vicinity of a charging pad. The wireless power transfer device includes an amplifier for performing power amplification, a series resonant circuit constituted by a resonant capacitor and a power transfer coil, and a foreign material detection unit for detecting a non-charging device, which is not a charging target, placed in the vicinity of the charging pad. The foreign material detection unit is constituted by a pick-up coil, bandpass filters, detector circuits and a control circuit. The foreign material detection unit detects an IC card which is the non-charging device by a signal component emitted through inductive coupling with the power transfer coil from the device placed in the vicinity of the charging pad when transferring power.
US10971945B2 Bendable wireless charging apparatus
A bendable wireless charging apparatus having an operational bend radius of approximately 90 degrees is disclosed, which includes a flexible substrate, a receiving coil, a battery, a flexible EMI-shielding layer and a control module. The receiving coil is disposed on a surface of the substrate, and is electrically connected to the control module. The battery, which may also be flexible, is located beneath another surface of the substrate. The EMI-shielding layer is disposed between the receiving coil and the battery.
US10971938B2 Electronic device including biosensor and operating method thereof
An electronic device that can be worn on a user's body and an operating method thereof. An electrode for charging and measuring is included in a front side of the electronic device. The electronic device includes a battery, a charging circuit for charging the battery, a bio-sensor, and a processor. The processor is configured to determine whether the battery is being charged through the charging circuit. If the battery is not being charged, the processor is configured to acquire biometric information by using a first method through the bio-sensor, and if the battery is being charged, the processor is configured to acquire the biometric information by using a second method through the bio-sensor.
US10971934B2 Distribution networks with flexible direct current interconnection system
Systems, methods, techniques, and apparatuses of a medium voltage alternating current (MVAC) network are disclosed. One exemplary embodiment is a direct current (DC) interconnection system for an MVAC distribution network including an AC/AC power converter including a first AC terminal and a second AC terminal; a plurality of switching devices structured to selectively couple a first AC terminal to a plurality of feeder line points in the MVAC network; and a control system structured to receive a set of measurements, calculate a headroom value for each feeder line point using the set of measurements, select a first feeder line point using the calculated headroom values, operate the plurality of switching devices so as to couple the first AC terminal to the first feeder line point, and operate the AC/AC power converter so as to transmit MVAC power from the first AC terminal to the first feeder line point.
US10971932B2 Control approach for power modulation of end-use loads
Methods, apparatus, and systems are disclosed herein for power modulation control of power grids using end-use loads. At the beginning of a coordination period typically lasting a few minutes, a population of end-use loads (water heaters, air conditioners, plug-in electric vehicles, etc.) is interrogated for their willingness to participate in power modulation by undergoing state transitions from on to off, or off to on. Distribution system flexibilities are calculated from the sums of device powers within distribution systems. Area flexibilities are calculated from the sums of device powers within areas. Thresholds for various devices to change state in response to inter-area oscillation damping or frequency regulation are derived from these flexibilities. Two power functions are monitored in real-time and compared with the device thresholds to trigger state changes which then remain locked throughout the remainder of the coordination period, then the devices are released from the lockout state.
US10971931B2 Decentralized hardware-in-the-loop scheme
A method tests the configuration of an aggregated DERs system using distributed asset managers in a decentralized hardware-in-the-loop (“HIL”) scheme. The managers contain the model of the asset they are meant to control. The method programs an asset manager with a model of a DERs asset. A plurality of asset managers are connected to a central controller. The plurality of asset managers are also connected to a simplified hardware-in-the-loop platform. The simplified HIL platform is configured to solve a network model, a load model, a non-controllable asset model, and a grid model. The method tests the DERs system control structure by using: (a) the simplified HIL platform to solve the network model, the load model, the non-controllable asset model, and the grid model, and (b) the asset manager to solve the model of the DERs asset, without any simulation between the central controller and the distributed asset managers.
US10971922B2 Reduction of geomagnetically induced currents by neutral switching
Methods, systems, and apparatuses are disclosed for reducing geomagnetically-induced currents. The method includes connecting a plurality of switching devices at a neutral grounding connection point of at least one transformer bank. In a system having two terminals, the method includes grounding one transformer bank through a switch so as to reduce geomagnetically induced current. In a system having more than two terminals, the method includes grounding transformer banks through multiple switches, where the reduction is performed independently for each transformer bank. The method further involves determining a switching frequency and a duty cycle based on an evaluation of factors including effectiveness and fault current detection.
US10971910B2 Recessed protective apparatus for outdoor electrical outlets
A mounting device for outdoor electrical outlets includes an upper plate and a lower plate arranged and interconnected in a generally V-shaped configuration, and is adapted for recessed installation into a power pedestal or other structure. The upper and lower plates may be contiguous along their inner edges. Alternatively, an intermediate plate may be disposed therebetween, giving the mounting device a trapezoidal configuration. Either or both of the upper and lower plates may be sloped, and side plates may extend between the side edges of the upper and lower plates. The upper plate has an aperture for an electrical outlet, which when installed in the aperture will face generally downward and thus be protected from rain and snow. The outer edges of the upper and lower plates, and of the side plates when present, may have mounting flanges to facilitate installation of the mounting device in a power pedestal.
US10971909B1 Interchangeable driver power system
Interchangeable driver systems including at least a driver and a receptacle are disclosed. The receptacle provides a compartment, space, or other connection point for a power input as well as connecting structure that releasably and interchangeably connects to the driver. The driver has complementary electrical and mechanical connecting structure. The electrical and mechanical connections between the driver and the receptacle are such that when a mechanical connection between them is made, an electrical connection is also made. The receptacle may take the form of an enclosure that surrounds a substantial portion of the driver, or it may take the form of a short base with a socket that receives a connecting portion of the driver.
US10971904B2 Junction box with universal fitment articulating cover
The present invention is an electrical junction box comprising a walled enclosure having an articulating cover member. The articulating cover member has an opening and is configured to allow an electrical device such as switch to be coupled to the cover member and further reside within the electrical junction box when the cover member is articulated into a closed position. When the cover member is in an open position, an installer has access to the backside of the electrical device and to the inside of the junction box. The coupling to of the electrical device to the cover member allows for support and stability of the electrical device while installing the required electrical lines that run through the junction box to the electrical device.
US10971897B2 Semiconductor laser device, semiconductor laser module, and laser light source system for welding
A semiconductor laser device includes: a first conductivity side semiconductor layer, an active layer; and a second conductivity side semiconductor layer. The second conductivity side semiconductor layer includes a first semiconductor layer and a second semiconductor layer, the first semiconductor layer being closer to the active layer than the second semiconductor layer is. The second semiconductor layer defines a width of a current injection region for injecting current into an optical waveguide. The current injection region includes a width varying region in which a width varies. S1>S2, where S1 denotes a width of the width varying region on a front end face side, and S2 denotes a width of the width varying region on a rear end face side.
US10971884B2 Fiber source with cascaded gain stages and/or multimode delivery fiber with low splice loss
An apparatus includes an optical gain fiber having a core, a cladding surrounding the core, the core and cladding defining an optical gain fiber numerical aperture, and a multimode fiber having a core with a larger radius than a radius of the optical gain fiber core, a cladding surrounding the core, the core and cladding of the multimode fiber defining a multimode fiber stable numerical aperture that is larger than the optical gain fiber numerical aperture, the multimode fiber being optically coupled to the optical gain fiber so as to receive an optical beam propagating in the optical gain fiber and to stably propagate the received optical beam in the multimode fiber core with low optical loss associated with the optical coupling.
US10971881B2 Laser pulse including a flat top
A laser pulse includes a flat top shape. Another aspects provides a method and system for creating laser pulse amplification with a flat top and/or square shape, by only using phase modulation. In yet another aspect, a method and system create a flat top and/or square-shaped laser pulse in a reversible manner such that the stretched spectrum can be recompressed to their original duration with essentially no loss of pulse energy. A further aspect includes a method of making a fixed optic capable to creating flat top or square pulse amplification.
US10971880B2 Connection for printed circuit board assemblies
A printed circuit board assembly is provided. The assembly has a substantially rigid member, the substantially rigid member having a first protrusion, a support member with a first slot that accepts the protrusion in such a way to produce flex in at least one of the rigid member and the support member. The flex exerts compression on the protrusion that prevents it from disengaging the slot.
US10971878B2 Method for manufacturing terminal-equipped electrical wire, terminal-equipped electrical wire, and ultrasonic welding device
A method for manufacturing a terminal-equipped electric wire is a method in which an exposed core wire of the electric wire is ultrasonically welded to a core wire connection portion of a terminal having a core wire connection portion and a coating crimping portion. The manufacturing method for the terminal-equipped electric wire including: supporting the core wire connection portion on an anvil; bringing the coating crimping portion into contact with a vibration suppressing contact portion; arranging the exposed core wire on the core wire connection portion and arranging the coating of the electric wire in the coating crimping portion; and ultrasonically welding the exposed core wire to the core wire connection portion in a state where the core wire connection portion is supported on the anvil and the coating crimping portion is in contact with the vibration suppressing contact portion.
US10971876B1 Belt structures for rotary electrical contact device
Technologies pertaining to a rotary electrical contact device are described herein. A rotary electrical contact device comprises a first sheave that is disposed about a first axis and a second sheave that rotates about the first axis or a second axis that is parallel to the first axis. The device further includes two planetary sheaves that revolve around the first and second sheaves, and a belt that makes contact with each of the sheaves, the belt having an aspect ratio great than 1:1. As the first sheave rotates, the planetary sheaves revolve about the first and second sheaves and cause the belt to deform and roll along the second sheave. The belt makes rolling contact with the four sheaves. The belt comprises electrically conductive components arranged such that as the belt rolls along the sheaves, the belt maintains electrical contact between the first sheave and the second sheave.
US10971874B2 Lock mechanism and bus bar module
A lock mechanism includes: a lock portion that protrudes from a ceiling wall (wall portion) of a cover and has a locking claw provided on a tip side; a lock receiving portion provided in a case and formed with a locking hole; and a flexible deformation portion which is a portion of a predetermined range in the vicinity of the lock portion on the ceiling wall (wall portion) of the cover and has flexibility higher than a portion outside the predetermined range, and is bent such that the lock portion is tilted so that the locking claw gets over an edge of the locking hole when the locking claw is locked to the locking hole, and after the locking, biases the lock portion in a pulling direction that pulls the locking claw together with the locking hole by a restoring force of bending.
US10971872B2 Network sharing system
A network sharing system includes an outdoor wireless transceiver device, an indoor network sharing device, and a high-speed Ethernet transmission cable. The outdoor wireless transceiver device includes a high-frequency network transceiver module and a first Ethernet port and the high-frequency network transceiver module is connected to the first Ethernet port and is configured to receive a high-frequency network signal. The indoor network sharing device includes a processing module and a second Ethernet port. The high-speed Ethernet transmission cable has a transmission rate above 1 giga bits per second (Gbps), two ends of the high-speed Ethernet transmission cable are respectively connected to a first RJ45 connector and a second RJ45 connector, the high-speed Ethernet transmission cable is provided with a flat cable segment, the first RJ45 connector is connected to the first Ethernet port, and the second RJ45 connector is connected to the second Ethernet port.
US10971870B2 Connection interface for a panel and support structure
A connection interface between a panel and a support structure. The panel includes one or more connectors. The support structure supports the panel and is configured to engage with the one or more connectors. The connection interface between the panel and the support structure provides a mechanical connection to secure the panel. The connection interface can also provide for electrical connections between the panel and the support structure and/or between the panel and one or more other panels or remote components.
US10971859B2 Two connector housings, one with a lock arm, the second with rattle prevention ribs
A connector includes a first housing (10) and a second housing (60) connectable to each other. The second housing (60) includes two walls (64) facing each other. The first housing (10) includes a receptacle (12) defining a fitting space (14), two side walls (19) connected to both circumferential ends of the receptacle (12) and a lock arm (24) arranged between the side walls (19). Entrance spaces (29) into which the walls (64) enter are defined between the side walls (19) and the lock arm (24) to communicate with the fitting space (14). Protrusions (31, 32) configured to contact the walls (64) are provided on inner surfaces of the side walls (19).
US10971851B2 Miniaturized connector with a terminal holding member
The present invention aims to miniaturize a housing. Disclosed is a connector including a female housing (10) having a terminal accommodating chamber (11) formed therein, a first terminal fitting (24) inserted into the terminal accommodating chamber (11), an elastically displaceable lock arm (12) formed in the female housing (10), an accommodating recess (14) formed in the female housing (10) and communicating with a deflection space (13) of the lock arm (12), a terminal holding member (41) mounted in the accommodating recess (14), and a pair of second terminal fittings (58) connected to a twisted pair wire (59) and attached to the terminal holding member (41).
US10971848B2 Connector with ventilation passage
A connector (1) is mounted on a case (12) including an internal space (120) accommodating an electronic board (11). The connector (1) includes first terminals (3), a first core (4), second terminals (5), a second core (6), a housing (7) and a ventilation passage (8). The ventilation passage (8) allows the internal space (120) of the case (12) to communicate with outside air. At least a part of the ventilation passage (8) is constituted by a groove (40) formed in at least one of mutually overlapping surfaces (411, 611) of the first core (4) and the second core (6). An outer vent (81) of the ventilation passage (8) is formed at a position closer to the case (12) than the receptacle (71) in a Z direction.
US10971847B2 Disconnect terminal
A disconnect terminal includes an enclosure, a first conductor rail, a second conductor rail, a switching device, and an actuation device. The switching device can be switched by the actuation device from a connecting position, in which the first conductor rail and the second conductor rail are electrically connected by the switching device into a disconnecting position in which the electrical connection of the first conductor rail and the second conductor rail is separated or disconnected, and back. A visible portion of the actuation device aligns with a surface of a portion of an upper side of the enclosure or with a part connected with the enclosure. In the disconnecting position, the visible portion of the actuation device protrudes from a surface of a portion of an upper side of the enclosure or of a part connected with the enclosure in a clearly visible manner. An assembly is provided of at least two aligned disconnect terminals.
US10971846B2 Board to board connector
A board to board connector may include: a support including: a circumference part having an internal space of which a top and a bottom are open; one or more first protruding parts protruding outward from the top of the circumference part in an obliquely upward direction; and one or more first fixing parts protruding from the bottom of the circumference part; a terminal including: a body having an internal space of which a top and a bottom are open; a second protruding part protruding from the top of the body in an obliquely upward direction; and one or more second fixing parts protruding from the bottom of the body, and disposed on the inside of the circumference part of the support; and an insulating part formed between an inner circumferential surface of the circumference part of the support and an outer circumferential surface of the body of the terminal.
US10971842B2 Loadbreak electrical connector with enhanced safety probe
A loadbreak electrical connector includes a connector body having first and second passages therewithin and a safety probe configured to be installed within the first passage. The safety probe includes a conductive probe body extending between first and second ends, the probe body having a probe aperture at the second end and a probe pin connected to the probe body via the probe aperture. The safety probe includes an arc quenching section located at a distal end of the probe pin and has a resistance section located between the second end of the probe body and the arc quenching section. The resistance section is made of a highly resistance material which reduces current flow through this section of the safety probe.
US10971840B2 Electrical connector
An electrical connector including an insulating body and a plurality of terminals disposed in the insulating body is provided. At least one of the terminals has a first section and a pair of second sections. The second sections structurally extend and branch out from the first section. On a plane where the terminals are located, orthogonal projections of the second sections are misaligned and do not overlap with each other.
US10971839B1 Floating connector
A floating connector and a conductive terminal thereof are provided. The conductive terminal is integrally formed as a one piece structure, and includes a contacting segment, a fixing segment, and a buffering segment having two ends respectively connected to the contacting segment and the fixing segment. A longitudinal direction of the buffering segment and a longitudinal direction of the fixing segment have a first angle there-between less than ninety degrees. The buffering segment includes a first portion connected to the contacting segment, a second portion connected to the fixing segment, and two impedance matching portions defining a buffering hole. Two opposite ends of each of the two impedance matching portions are respectively connected to the first portion and the second portion. The buffering segment is configured to provide for an electrical current to travel there-through so as to generate a capacitance effect at the two impedance matching portions.
US10971836B2 Printed circuit board with embedded lateral connector
Printed circuit boards (PCBs) may include embedded lateral connectors. The embedded lateral connectors may be configured to enable components to quickly couple to or plug into a PCB, thus saving time to form connections. The embedded lateral connectors may also reduce weight and/or size by avoiding need for bulky tradition collections with conventional components (e.g., solders, external pin connectors, etc.). The connectors may include male connectors, female connectors, and/or mounting connectors. The connectors may be configured to connect multiple PCBs together, such as using a stacked configuration, which may enable reducing a volume of space needed in a housing for the PCBs.
US10971832B2 High-power bushing for harsh environments
A bushing comprises an insulating body having a first body end portion, a second body end portion, and a body center portion connecting the first body end portion and the second body end portion, and a bushing conductor coaxially extending within and mechanically coupled to the insulating body. The bushing conductor includes a first connecting portion having a first end face at the first body end portion, a second connecting portion having a second end face at the second body end portion, and a center portion electrically and mechanically connecting the first connecting portion and the second connecting portion. The first connecting portion is elastically deformable with respect to the first body end portion along a radial direction and/or the second connecting portion is elastically deformable with respect to the second body end portion along the radial direction.
US10971829B2 Connector and package body
A connector and a package body that can be transported without exposing a filler to the outside and can stably deliver predetermined performance during use are provided. A connector (10) comprises: a pair of a first fitting object (16) and a second fitting object (30); a first opening (29) and a second opening (44) formed respectively in the first fitting object (16) and the second fitting object (30) and opened to a fitting side; and a filler (70) provided inside at least one fitting object of the first fitting object (16) and the second fitting object (30), wherein, before the first fitting object (16) and the second fitting object (30) are fitted together, the filler (70) is located inside of an opening of a corresponding fitting object, and an end surface of the second fitting object (30) on the fitting side forms a plane.
US10971827B2 Crimp interconnect device, crimped arrangement and method for making a crimped arrangement
A crimp interconnect device, a crimped arrangement and a method for making a crimped arrangement are disclosed. In an embodiment a crimp interconnect device includes a deformable barrel body having an inner side and an outer side and a first material, and a second material that is softer than the first material, wherein the second material is arranged on the inner side.
US10971823B1 Artificial dielectric material and focusing lenses made of it
Provided herein are artificial dielectric materials comprising a plurality of sheets of a dielectric material and a plurality of short conductive tubes placed in the sheets of the dielectric material, wherein the sheets of the dielectric material containing the short conductive tubes are separated by sheets of the dielectric material without the short conductive tubes, and wherein axes of the tubes are orientated along at least two different directions. Also provided are methods for manufacture of such materials and cylindrical focusing lenses comprising such artificial dielectric materials. The artificial dielectric materials, lenses and their manufacture may provide desirable dielectric properties compared with known materials and manufacturing advantages.
US10971822B2 Antenna, module substrate, and module
An antenna includes a first conductor. The first conductor includes a shaft-shaped part and a plurality of flange-shaped projecting parts projecting from the shaft-shaped part to directions crossing an axial direction of the shaft-shaped part.
US10971815B1 Element level polarization synthesis network for electronically scanned arrays
Systems and methods of controlling signal polarization for an antenna system are provided herein. The antenna system includes an ultra wide band or greater array of dual linear polarization elements. The antenna system also includes polarization synthesis networks. Each of the polarization synthesis networks is coupled to the first differential interface of the first element of a respective dual linear polarization element of the dual linear polarization elements and the second differential interface of the second element of the respective the dual linear polarization element of the dual orthogonal linear polarization elements. Each of the polarization synthesis networks has a flat response for phase shift and amplitude over the ultra wide bandwidth.
US10971808B2 Shielded RFID antenna
A shielded antenna (100) includes a spiral antenna (110) and a shield (120) disposed on the spiral antenna. The spiral antenna comprises a plurality of substantially concentric loops. The shield comprises a plurality of electrically isolated electrically conductive segments forming a regular pattern, such that in a top plan view, at least one segment overlaps a portion of at least two loops, and at least one pair of adjacent conductive segments defines an electrically insulative gap therebetween.
US10971805B2 Wrist-worn electronic device with housing-based loop antenna
A wrist-worn electronic device configured to transmit and receive wireless signals in two frequency bands comprises a bezel loop antenna, first and second signal processing elements, a diplexer, and a tuning element. The bezel loop antenna has a first impedance and is configured to wirelessly receive first and second electronic signals simultaneously. The first and second signal processing elements process the first electronic signal having a frequency in a first frequency band and the second electronic signal having a frequency in a second frequency band. The diplexer is configured to receive the first and second electronic signals and output the first electronic signal to the first signal processing element and the second electronic signal to the second signal processing element. The tuning element has a second impedance causing the bezel loop antenna to wirelessly receive electronic signals in the first frequency band and electronic signals in the second frequency band.
US10971804B2 Wireless wearable devices having self-steering antennas
Wireless wearable devices having self-steering antennas are disclosed. A disclosed example wearable device includes an antenna to be communicatively coupled to a wireless data transceiver of a base station. The disclosed example wearable device also includes a steering mount coupled to the antenna, where the steering mount is to adjust an orientation of the antenna towards a wireless coverage zone associated with the wireless data transceiver based on a movement of the wearable device.
US10971801B2 Wireless communication device with an antenna adjacent to an edge of the device
A wireless communication device comprising a housing comprising a plurality of edges and configured to serve as an external surface for the wireless communication device, and an antenna adjacent to at least a first edge of the housing, wherein the antenna comprises at least a conductive strip and at least one slot and wherein the antenna is configured to receive and transmit wireless signals, wherein the first edge of the housing is one of an edge of the housing nearest an ear piece and an edge of the housing that is opposite the edge of the housing nearest the ear piece, and wherein the conductive strip and the slot are adjacent to at least the first edge of the housing.
US10971799B2 Antenna module and electronic device including thereof
An electronic device is provided. The electronic device includes an antenna module including an antenna array. The antenna module includes a printed circuit board, conductive lines formed on the printed circuit board, each of the conductive lines having different lengths, a communication circuit including a first switch connected to ends of the conductive lines, and a front-end including a second switch connected to opposite ends of the conductive lines and phase shifters connected to the second switch. Based on a direction of a beam to be formed by the antenna array, a processor connected to the antenna module is configured to control the first switch and the second switch to select at least one of the conductive lines and to control a phase value of at least one of the phase shifters connected to the selected conductive line, based on a length of the selected conductive line.
US10971796B2 Wireless communication device
A wireless communication device having a feeding circuit that includes an RFIC chip; and antenna elements connected to the feeding circuit. The feeding circuit FC further includes a first resonant loop including the RFIC chip and multiple inductance elements; and a second resonant loop including a capacitance element and multiple inductance elements. Moreover the inductance elements of each of the first and second resonant loops, the shared inductance elements are included. The second resonant loop includes an antenna port for connection to the antenna elements.
US10971795B2 Antenna device
An antenna device incorporated in an electronic apparatus and communicating with an external device via an electromagnetic field signal, including: an antenna coil inductively coupled to the external device and provided by winding around a conducting wire so conducting wires opposing in width direction via an opening will be close together; and a sheet-like conductor at a surface of the antenna coil opposite a surface of the antenna coil opposing the external device, wherein the coil is divided into two parts, i.e. one side part wherein the conducting wire is wound around in one direction and other side part wound in other direction, via a center line longitudinally traversing the opening, and the conductor is configured with a conductor side opening overlapped only with the other side part of the antenna coil, and a slit formed between the conductor side opening and any outer edge of the sheet-like conductor.
US10971790B2 Well thermalized microstrip formation for flexible cryogenic microwave lines in quantum applications
A microstrip that is usable in a quantum application (q-microstrip) includes a ground plane, a polyimide film disposed over the ground plane at a first surface of the polyimide film, and a conductor formed on a second side of the polyimide film such that the first surface is substantially opposite to the second surface. A material of the conductor provides greater than a threshold thermal conductivity (TH) with a structure of a dilution fridge stage (stage).
US10971789B2 Transmission-line filtering with enhanced frequency response
Transmission-line filtering with enhanced frequency response is disclosed. In an example aspect, an apparatus includes a transmission-line filter to enhance a frequency response of a filtering operation. The transmission-line filter includes an input port, an output port, and multiple transmission-line base units. The multiple transmission-line base units are disposed between the input port and the output port and are coupled to the input port and the output port. Each of the multiple transmission-line base units includes a respective transmission line of multiple transmission lines. At least one transmission-line base unit of the multiple transmission-line base units includes a multi-resonant circuit.
US10971788B1 Method of forming a semiconductor device
In an embodiment, a method of forming a delay line circuit may include forming a first ferro-electric material between a first conductor and a second conductor wherein the first conductor and the second conductor have a first resistivity. The first conductor may be configured to receive a d.c. bias signal. An embodiment may include forming a third conductor overlying the second conductor, the third conductor having a second resistivity that is less than the first resistivity, the third conductor connected to the second conductor at least at a plurality of points along a length of the third conductor. The third conductor may be configured to receive an RF signal and conduct the RF signal along the length of the third conductor.
US10971787B1 Devices and methods for a dielectric rotary joint
A device is provided that includes a first waveguide configured to guide propagation of RF waves inside the first waveguide. A first side of the first waveguide is configured to emit an evanescent field associated with the propagation of the RF waves inside the first waveguide. The device also includes a second waveguide having a second side positioned within a predetermined distance to the first side of the first waveguide. The second waveguide is configured to guide propagation, inside the second waveguide, of induced RF waves associated with the evanescent field from the first waveguide. The device also includes a first probe coupled to the first waveguide and configured to emit the RF waves for propagation inside the first waveguide. The device also includes a second probe coupled to the second waveguide and configured to receive induced RF waves propagating inside the second waveguide.
US10971784B2 Battery module
The present disclosure provides a battery module, which comprises: a harness isolation board provided with a mounting groove; an output pole connection sheet; and a fixing assembly. The fixing assembly comprises: a connecting member placed in the mounting groove to be fixed on the harness isolation board; and a fastening member securely connected to the connecting member and fixing the output pole connection sheet. The connecting member and the fastening member are separately formed and securely connected together, the fastening member is fixed on the harness isolation board via the connecting member, thus the fixing manner between the connecting member and the harness isolation board is not related to the fastening member, and in turn it only needs to improve the structure of the connecting member and the harness isolation board to enhance the connecting strength and the anti-torque effect between the fixing assembly and the harness isolation board.
US10971779B2 Holding device, electronic device assembly, and electronic apparatus
The disclosure relates to a holding device and an electronic device assembly and an electronic apparatus having the same. The holding device is able to hold an insertion device. At least one holding structure of the holding device includes a first holding portion and a second holding portion, and the second holding portion is located closer to the insertion opening than the first holding portion. The first holding portion is configured to hold the insertion device at an installed position, and the second holding portion is configured to hold the insertion device at a non-installed position.
US10971776B2 Button cell having winding electrode and method for the production thereof
A method for producing a button cell includes: providing a metal cell cup having a cell cup plane region; providing a metal cell top having a cell top plane region; providing a cylindrical electrode winding, the electrode winding being a multi-layer assembly wound in a spiral shape, the multi-layer assembly including an electrode formed from a current collector; connecting a conductor to the current collector; placing the electrode winding into the cell top; inserting the cell top into the cell cup to form a housing in which a strip-shaped portion of the conductor lies flat between (i) an end side of the electrode winding and (ii) a plane region of the cell cup plane region or the cell top plane region; and welding, after forming the housing, the strip-shaped portion of the conductor to a surface of the plane region located in the interior of the housing.
US10971773B2 Cooling duct of high voltage battery system of vehicle
A cooling duct of a high voltage battery system of a vehicle is provided. The cooling duct includes a duct body that forms an inlet open towards the interior of the vehicle and an outlet that is formed at a side of the duct body opposite to the inlet to supply air introduced into the cooling duct through the inlet to a high voltage battery. A blocking wall is formed between the inlet and the outlet to restrict rectilinear communication between the inlet and the outlet while allowing air flow between the inlet and the outlet.
US10971771B2 Battery heating system and control method thereof
The present disclosure provides a battery heating system and a control method thereof. The battery heating system includes a main positive switch, a main negative switch, an inverter, a motor, and a battery management unit. The inverter includes a first phase bridge arm, a second phase bridge arm and a third phase bridge arm connected in parallel. A motor controller in the inverter is configured to output a drive signal to a target upper-bridge-arm switch unit and a target lower-bridge-arm switch unit, so as to control the target upper-bridge-arm switch unit and the target lower-bridge-arm switch unit to be periodically turned on and off. The battery management unit is configured to collect state parameters of the battery pack. When the state parameters of the battery pack meet preset heating conditions, a control signal is sent to the motor controller to control the motor controller to output the drive signal.
US10971770B2 Battery pack having crash beam structure
A battery pack including a plurality of battery modules; a tray including an interior space where the plurality of battery modules are positioned; a plurality of I-type beam frames traversing an upper surface of the tray to partition spaces where the plurality of battery modules are positioned; and a plurality of heatsinks disposed between the battery modules and the I-type beam frames and mounted to recessed portions formed at both side of a column that forms a height of the I-type beam frames to absorb heat from the battery modules.
US10971768B2 Prefailure monitoring system
A system includes an energy storage system having a plurality of batteries and a monitoring system operably coupled to the energy storage system. The monitoring system is configured to receive a first measurement corresponding to a characteristic from at least one of the plurality of batteries, determine a baseline from the first measurement, receive a second measurement from the at least one of the plurality of batteries, and compare the second measurement with the baseline to identify an issue with the at least one of the plurality of batteries. The monitoring system is also configured to perform a remediation action in response to the identified issue.
US10971767B2 Charge voltage controller for energy storage device, energy storage apparatus, battery charger for energy storage device, and charging method for energy storage device
A charge voltage controller for a chargeable and dischargeable energy storage device including an electrode assembly having a positive electrode and a negative electrode, is configured to control upper limit voltage applied to charge the energy storage device in accordance with at least one of charge time of the energy storage device, current inputted to the energy storage device, temperature of the energy storage device, and a state of charge of the energy storage device, to inhibit potential of the negative electrode from being lower than deposition potential at which metal ions transmitting and receiving an electric charge between the positive electrode and the negative electrode are deposited at the negative electrode. The deposition potential is variable in accordance with a state of charge of the energy storage device, and/or charge time of the energy storage device, and/or current inputted to the energy storage device, and/or temperature of the energy storage device.
US10971765B2 Current control systems and methods
A system that includes an energy device having an active region configured to generate or consume electrical energy provided by an electrical current is discussed. A current limiter is disposed between the energy device and a current collector layer. The current limiter controls the current flow between the energy device and the current collector layer. A plurality of electrochemical transistors (ECTs) are arranged in an array such that each ECT in the array provides localized current control for the energy device. Each ECT includes a gate electrode, a drain electrode, a source electrode, and a channel disposed between the drain and the source electrodes. An electrolyte electrically couples the gate electrode to the channel such that an electrical signal at the gate electrode controls electrical conductivity of the channel. The current collector layer is a shared drain or source electrode for the ECTs.
US10971761B2 Interfacial layers for solid-state batteries and methods of making same
One or more interfacial layers in contact with a solid-state electrolyte and hybrid electrolyte materials. Interfacial layers comprise inorganic (e.g., metal oxides and soft inorganic materials) or organic materials (e.g., polymer materials, gel materials and ion-conducting liquids). The interfacial layers can improve the electrical properties (e.g., reduce the impedance) of an interface between an a cathode and/or anode and a solid-state electrolyte. The interfacial layers can be used in, for example, solid-state batteries (e.g., solid-state, ion-conducting batteries).
US10971758B2 Electrolyte additive and lithium secondary battery comprising the same
The present invention relates to an electrolyte additive comprising a salt of an anion with K+ or Na+, the anion being derived from a nitrogen atom-containing compound, and a lithium-containing compound for forming a coating film. In addition, the present invention provides a lithium salt, a non-aqueous organic solvent, and the electrolyte additive. The present invention relates to a lithium secondary battery which includes a cathode employing a cathode active material, an anode employing an anode active material, a separator interposed between the cathode and the anode, and the non-aqueous electrolyte.
US10971757B2 Lithium-ion battery and its electrolyte
The present invention discloses a Lithium ion battery and an electrolyte thereof, the electrolyte comprising an organic solvent, a lithium salt and an additive. The additive comprises a cyclic fluoro carbonate (A), a cyclic phosphazene (B), a cyclic sulfate and a lithium fluoro oxalate borate (D). The lithium fluoro oxalate borate (D) has following formula: Compared with the prior art, the electrolyte of the present invention may form a stable CEI and SEI film on the surface of positive and negative electrodes, protect the interface between positive and negative electrodes, improve the acidic atmosphere of Lithium ion battery electrolyte, and reduce the damage effect of HF on the interface between positive and negative electrodes, while reducing low temperature resistance of lithium-ion battery, improving cycle life, high temperature storage performance, safety performance and rate capability of lithium-ion battery.
US10971754B2 Method for manufacturing negative active material, and negative active material and lithium secondary battery using same
A method for preparing a negative electrode active material, a negative electrode active material prepared using the same, and a lithium secondary battery, and in particular, to a method for preparing a negative electrode active material including the steps of (a) preparing a coating composition including a precursor of metal-phosphorus-oxynitride; (b) forming a precursor layer on a negative electrode active material with the coating composition of (a) using a solution process; and (c) forming a metal-phosphorus-oxynitride protective layer on the negative electrode active material by heat treating the negative electrode active material having the precursor layer formed thereon. The method for preparing a negative electrode active material uses a solution process, which is advantageous in terms of simplifying the whole process and reducing costs, and high capacity, high stabilization and long lifetime are obtained as well by the formed protective layer having excellent properties.
US10971747B2 Fuel cell system and fuel cell control program
A fuel cell system that includes a first fuel cell that generates electric power using a hydrogen-containing fuel gas; a second fuel cell that generates electric power using off-gas exhausted from the first fuel cell and containing hydrogen that has not reacted in the first fuel cell; a first control device that controls the electric power output from the first fuel cell by adjusting a current or a voltage being output from the first fuel cell; a second control device that controls the electric power output from the second fuel cell by adjusting a current or a voltage being output from the second fuel cell; and an output control device that controls at least one of the first control device or the second control device such that a total electric power being generated by the first fuel cell and the second fuel cell approaches an electric power demand.
US10971745B2 Cell reversal diagnostics for a fuel cell stack
A fuel cell reversal event is diagnosed by integrating current density via a controller in response to determine an accumulated charge density. The controller executes a control action when the accumulated charge density exceeds a threshold, including recording a diagnostic code indicative of event severity. The control action may include continuing stack operation at reduced power capability when the accumulated charge density exceeds a first threshold and shutting off the stack when the accumulated charge density exceeds a higher second threshold. The event may be detected by calculating a voltage difference between an average and a minimum cell voltage, and then determining if the difference exceeds a voltage difference threshold. The charge density thresholds may be adjusted based on age, state of health, and/or temperature of the fuel cell or stack. A fuel cell system includes the stack and controller.
US10971744B2 Method for inspecting current leak of fuel cell
Provided is a method for inspecting a current leak of a fuel cell, which is provided with an anode electrode, a cathode electrode, and an electrolyte membrane sandwiched between the anode electrode and the cathode electrode, the method including: a first process in which a first voltage, which is a limit voltage of the electrolyte membrane, is applied to the fuel cell; a second process in which a second voltage, which is lower than the first voltage, is applied to the fuel cell after the first process; a third process in which a third voltage, which is lower than the second voltage, is applied to the fuel cell after the second process; and a determination process in which a value of a current flowing through the fuel cell in the third process is detected, and whether the detected current value is lower than a prescribed current value is determined.
US10971735B2 Electrochemical cell and electrochemical apparatus
An electrochemical cell according to one embodiment includes a solid electrolyte layer having insulating property, a first electrode, and a second electrode. The solid electrolyte layer has a first face and a second face, and allows ions to move therethrough. The first electrode is one of an anode and a cathode and provided on the first face. The first electrode includes an inside channel that allows gas to flow, a third face into which a first open end of the channel opens, a fourth face into which a second open end of the channel opens, and an inner wall face that defines the channel. The second electrode is the other of the anode and the cathode and provided on the second face.
US10971732B2 Lithium negative electrode having metal foam and lithium secondary battery using the same
Provided is a lithium negative electrode having metal foam capable of significantly improving the safety and reliability of a lithium secondary battery by suppressing volume expansion and consumption of a lithium material due to charge/discharge repetition of the lithium secondary battery, and a lithium secondary battery using the lithium negative electrode. The negative electrode for a lithium secondary battery includes: a negative electrode current collector made of metal foam having a plurality of pores whose inner portions are empty; and a lithium thin film attached to a rear surface of the electrode current collector.
US10971722B2 Method of manufacturing conducting elastomer composite-encapsulated particles of anode active materials for lithium batteries
A method of producing a powder mass for a lithium battery, comprising: (a) mixing graphene sheets and a sulfonated elastomer or its precursor in a liquid medium or solvent to form a suspension; (b) dispersing a plurality of particles of an anode active material in the suspension to form a slurry; and (c) dispensing the slurry and removing the solvent and/or polymerizing or curing the precursor to form the powder mass comprising multiple particulates, wherein at least one of the particulates is composed of one or a plurality of the particles encapsulated by a thin layer of a sulfonated elastomer/graphene composite having a thickness from 1 nm to 10 μm, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10−7 S/cm to 5×10−2 S/cm and an electrical conductivity from 10−7 S/cm to 100 S/cm.
US10971721B2 Lithium battery anode material and method of manufacturing the same
Provided is a lithium battery anode material including a graphite material and a composite material. The composite material and the graphite material are crossly mixed together to form a plurality of spherical structures. The composite material includes a silicon material, an agglomerate, and a plurality of protrusions. A plurality of crystals are grown on a surface of the silicon material. The crystals include silicon carbide. The agglomerate includes metal silicide. The protrusions are distributed on a surface of the agglomerate. The protrusions include silicon and metal.
US10971716B2 Electrode unit and method for manufacturing the same
Provided are an electrode unit and a method for manufacturing the electrode unit. According to the present invention, after the electrode unit is manufactured by using heat, bending of the electrode unit occurring by cooling the electrode unit may be eliminated or minimized. To achieve the aforementioned object, in the method for manufacturing the electrode unit according to an embodiment of the present invention, stress applied to the inside of each of the positive electrode collector and the negative electrode collector is calculated to reflect the calculated results, thereby selecting the positive electrode collector and the negative electrode collector.
US10971712B2 Separator including thermoplastic resin and metal hydroxide particles, non-aqueous electrolyte secondary battery, and method of manufacturing separator
A separator is for a non-aqueous electrolyte secondary battery. The separator includes at least a porous film. The porous film contains a resin composition. The resin composition contains a thermoplastic resin and metal hydroxide particles.
US10971711B2 Separator and non-aqueous electrolyte secondary battery
The separator is used in a battery. The separator includes a porous film and a columnar filler. The porous film is made of resin. The columnar filler is made of insulating ceramic. The columnar filler is filled in the porous film. The axial direction of the columnar filler is in line with the thickness direction of the porous film.
US10971709B2 Battery electrode plate reinforcement mat having improved wettability characteristics and methods of use therefor
According to one embodiment, a nonwoven fiber mat for reinforcing a plate or electrode of a lead-acid battery includes a plurality of glass fibers and an acid resistant binder that couples the plurality of glass fibers together. The nonwoven fiber mat also includes a wetting component that is applied to the glass fibers and/or nonwoven fiber mat to increase the wettability of the nonwoven fiber mat such that the nonwoven fiber mat exhibits an average water wick height of at least 0.5 cm after exposure to water for 10 minutes conducted according to method ISO8787. The wetting component may be dissolvable in an acid solution of the lead-acid battery such that a significant portion of the nonwoven fiber mat is lost due to dissolving of the wetting component.
US10971707B2 Laminated all-solid-state battery including a filler
A method for producing a laminated all-solid-state battery 100, including: housing an all-solid-state battery laminate 15, having one or more all-solid-state unit cells, in a casing 20 composed of a laminated film 21, the one or more all-solid-state unit cells obtained by laminating a negative electrode current collector layer having a negative electrode current collector tab 1a, a negative electrode active material layer, a solid electrolyte layer, a positive electrode active material layer and a positive electrode current collector layer having a positive electrode current collector tab 5a in this order, pressing the all-solid-state battery laminate 15 housed in the casing 20 in the direction of lamination from outside the casing 20, injecting a filler into the casing 20 while maintaining pressure, and sealing the casing 20.
US10971706B2 Electrode assembly
The present application relates to an electrode assembly and a secondary battery. The electrode assembly includes a cell and a protective layer. The cell includes a cell body and an electrode tab protruding from a top surface of the cell body. In a length direction of the cell, at least one end of the protective layer extends beyond the height at which the anode electrode in the cell body protrudes at the end, and the extended dimension is no more than 3 mm. As such, the burr of the anode electrode of the cell body is wrapped by the protective layer, which alleviates the phenomenon that the burr on the anode electrode pierces the package bag and chemically reacts with the aluminum layer of the package bag, thereby reducing the risk of leakage of the package bag.
US10971705B2 Pouch for secondary battery and die for forming the same
Provided are a pouch for a secondary battery, which is capable of minimizing a folded area of a bridge part of the pouch that is manufactured by folding two accommodation parts to overlap each other, and a die for forming the pouch for the secondary battery. The pouch for the secondary battery includes a lower accommodation part accommodating an electrode assembly therein, an upper accommodation part covering an opening of the lower accommodation part, and a bridge part connecting the lower accommodation part to the upper accommodation part. When the lower accommodation part and the upper accommodation part are unfolded, a height of the bridge part, which is measured from a bottom surface of the lower accommodation part, is lower than that of the lower accommodation part, which is measured from the bottom surface of the lower accommodation part.
US10971704B2 Display panel and display device
A display panel includes a substrate, active switches, and an active layer. The active switches are disposed on the substrate, and the active layer is disposed on the active switches. A light-obstructing layer is disposed between the substrate and the active layer. The light-obstructing layer is provided with a light-permeable region, and orthogonal projection areas of the light-permeable region and the active layer on the substrate correspond to each other. The light-permeable region defines pixels of the display panel.
US10971701B2 Transparent display devices and methods of manufacturing transparent display devices
A transparent organic light emitting display device may include a transparent base substrate, a semiconductor device disposed on the transparent base substrate, a display structure electrically connected to the semiconductor device, and a protection layer including a blue dye disposed on the display structure. The protection layer may improve the transparency of the transparent base substrate by calibrating discoloration of the transparent base substrate. Thus, the transparent display device including the protection layer may ensure an enhanced transparency. Further, the transparent display device may have an enhanced mechanical strength and an increased heat resistance because of the transparent base substrate.
US10971699B2 Display panel and manufacturing method thereof
A display panel includes: first and second substrates, each including a display area and a peripheral area in a plan view; and a sealing portion disposed between the first and second substrates. An edge of the display panel includes straight-lined and shaped edges, and the shaped edge includes a curved portion. An edge surface of the first substrate at the straight-lined edge, an edge surface of the second substrate at the straight-lined edge and an edge surface of the sealing portion at the straight-lined edge collectively define a first convex surface, an edge surface of the first substrate at the shaped edge, an edge surface of the second substrate at the shaped edge and an edge surface of the sealing portion at the shaped edge collectively define a second convex surface, and shapes of the first and second convex surfaces are different from each other.
US10971697B2 Light-emitting device
It is an object of the present invention to provide a light-emitting device where periphery deterioration can be prevented from occurring even when an organic insulating film is used as an insulating film for the light-emitting device. In addition, it is an object of the present invention to provide a light-emitting device where reliability for a long period of time can be improved. A structure of an inorganic film, an organic film, and an inorganic film is not continuously provided from under a sealing material under a cathode for a light-emitting element. In addition, penetration of water is suppressed by defining the shape of the inorganic film that is formed over the organic film even when a structure of an inorganic film, an organic film, and an inorganic film is continuously provided under a cathode for a light-emitting element.
US10971694B2 Organic light emitting diode display device
Organic light emitting diode display devices are provided. In at least one embodiment, an organic light emitting diode display device includes a first electrode; a first stack on the first electrode and the first stack is configured to emit a blue colored light; a first charge generating layer on the first stack; a second stack on the first charge generating layer and the second stack is configured to emit a red colored light and a yellow-green colored light; and a second electrode on the second stack. The second stack includes: a red-yellow-green emitting material layer including a yellow-green host, a yellow-green dopant and a red dopant; and a yellow-green emitting material layer including the yellow-green host and the yellow-green dopant.
US10971693B2 Light emitting devices, methods for preparing the same, and display devices
The present disclosure relates to a light emitting device, a method for preparing the same and a display device. The light emitting device includes a cathode layer, a quantum dot light emitting layer, a hole injection layer and an anode layer which are laminated. The hole injection layer includes a complex metal oxide film comprising two metal oxides that is at least partially oxidated.
US10971692B2 Quantum dot light-emitting layer, quantum dot light-emitting device and preparing methods therefor
The present disclosure relates to a quantum dot light-emitting layer, a quantum dot light-emitting device and preparing methods therefor and belongs to the field of liquid crystal display. The preparing method for a quantum dot light-emitting layer includes: placing a first halide AX and a second halide BX2 in a solvent; stirring and dispersing the reaction system formed by the first halide AX, the second halide BX2 and the solvent at a set temperature for a set time period; cooling the reaction system at a cooling rate of 0.1° C./24 h-1° C./24 h to generate an A4BX6 single crystal thin film containing ABX3 quantum dots, and using the A4BX6 single crystal thin film containing ABX3 quantum dots as the quantum dot light-emitting layer; wherein A includes one of Cs+, CH3NH3+ and HC(NH2)2+; B includes one of Pb2+ and Sn2+; and X includes one of Cl−, Br− and I−.
US10971690B2 Solar cells, structures including organometallic halide perovskite monocrystalline films, and methods of preparation thereof
Embodiments of the present disclosure provide for solar cells including an organometallic halide perovskite monocrystalline film (see FIG. 1.1B), other devices including the organometallic halide perovskite monocrystalline film, methods of making organometallic halide perovskite monocrystalline film, and the like.
US10971689B2 Triphenylene-based materials for organic electroluminescent devices
The present invention relates to compounds of the formula (1) and (2) which are suitable for use in electro¬nic devices, in particular organic electroluminescent devices.
US10971688B2 Organic molecules for use in organic optoelectronic devices
An organic molecule is disclosed having a first chemical unit consisting of a structure according to Formula I and two second chemical units, which in each case are the same or different in each occurrence, having a structure according to Formula II.
US10971685B2 Selective device, memory cell, and storage unit
A selective device includes a first electrode, a second electrode, a switch device, and a non-linear resistive device. The second electrode is disposed to face the first electrode. The switch device is provided between the first electrode and the second electrode. The non-linear resistive device contains one or more of boron (B), silicon (Si), and carbon (C). The non-linear resistive device is coupled to the switch device in series.
US10971684B2 Intercalated metal/dielectric structure for nonvolatile memory devices
Some embodiments relate to an integrated chip including a memory device. The memory device includes a bottom electrode disposed over a semiconductor substrate. An upper electrode is disposed over the bottom electrode. An intercalated metal/dielectric structure is sandwiched between the bottom electrode and the upper electrode. The intercalated metal/dielectric structure comprises a lower dielectric layer over the bottom electrode, an upper dielectric layer over the lower dielectric layer, and a first metal layer separating the upper dielectric layer from the lower dielectric layer.
US10971669B1 ExB drift thermoelectric energy generation device
This invention describes a thermoelectric energy generation device based on the ExB drift in a semiconductor. The material is in depletion mode to avoid cancellation of the electric field by space charges. Under ideal, infinite mobility, zero-collision conditions, electrons and holes drift in the same direction, perpendicularly to the electric and magnetic fields, resulting in a zero-output current. However, when mobility is finite, their differing properties such as mobility, effective mass, and charge, manifest themselves as different drift velocity and drift direction resulting in a net output current and power. This invention leverages carriers' properties to accentuate these differences and maximize the output power. Quantities being optimized include, mobility, the product of mobility and the magnetic field, positioning electrodes along the drift axis of the overriding carriers, and adjusting the thickness of the semiconductor layer to accommodate the cycloid motion of one type of carrier but not the other.
US10971664B2 Display apparatus and manufacturing method thereof
A display apparatus includes a substrate; a light-emitting diode on the substrate; a pixel separating layer surrounding the light-emitting diode; and a light dispersion layer on the light-emitting diode and the pixel separating layer.
US10971659B2 White light emitting device comprising multiple photoluminescence materials
There is provided a white light emitting device comprising: first and second LEDs operable to generate excitation light having a dominant wavelength in a range from 440 nm to 480 nm and mounted on a substrate; a first photoluminescence material which generates light having a peak emission wavelength in a range from 500 nm to 590 nm; and a second photoluminescence material which generates light having a peak emission wavelength in a range from 600 nm to 650 nm, wherein the first LED is covered by the first photoluminescence material, and the second LED is covered by the first and second photoluminescence materials.
US10971658B2 Infrared emitting device
Embodiments of the invention include a light source and a wavelength converting structure disposed in a path of light emitted by the light source. The wavelength converting structure includes a first phosphor that emits infrared light and a second phosphor that emits visible light. In some embodiments, the light source emits first light, the second phosphor absorbs the first light and emits second light, and the first phosphor absorbs the first light and emits third light and absorbs the second light and emits fourth light.
US10971657B2 Light emitting module and method of manufacturing the same
A light emitting module includes: a plurality of light emitting elements each having a primary light emitting surface and a lateral surface; a plurality of wavelength conversion members arranged respectively on the primary light emitting surfaces of the plurality of light emitting elements; and a lightguide plate having a first primary surface and a second primary surface and arranged continuously on the plurality of wavelength conversion members so that the second primary surface faces the plurality of wavelength conversion members, wherein the lightguide plate includes a plurality of recessed portions located on the second primary surface, and a lateral surface of at least one of the plurality of wavelength conversion members is partially in contact with an inner lateral surface of at least one of the plurality of recessed portions.
US10971656B2 Resin molding, surface mounted light emitting apparatus and methods for manufacturing the same
The present invention provides a surface mounted light emitting apparatus which has long service life and favorable property for mass production, and a molding used in the surface mounted light emitting apparatus. The surface mounted light emitting apparatus comprises the light emitting device 10 based on GaN which emits blue light, the first resin molding 40 which integrally molds the first lead 20 whereon the light emitting device 10 is mounted and the second lead 30 which is electrically connected to the light emitting device 10, and the second resin molding 50 which contains YAG fluorescent material and covers the light emitting device 10. The first resin molding 40 has the recess 40c comprising the bottom surface 40a and the side surface 40b formed therein, and the second resin molding 50 is placed in the recess 40c. The first resin molding 40 is formed from a thermosetting resin such as epoxy resin by the transfer molding process, and the second resin molding 50 is formed from a thermosetting resin such as silicone resin.
US10971655B2 Semiconductor device
One embodiment provides a semiconductor device comprising: a substrate; a first semiconductor layer disposed on the substrate; a second semiconductor layer disposed on the first semiconductor layer; a third semiconductor layer disposed on the second semiconductor layer; and a reflective layer disposed on the third semiconductor layer, wherein the part between the first and second semiconductor layers, the part between the third and second semiconductor layers, and the second semiconductor layer comprise a depletion region, and the conductivity of the first semiconductor layer and the conductivity of the third semiconductor layer are different from each other, and the second semiconductor layer comprises an intrinsic semiconductor layer.
US10971651B2 Semiconductor device and semiconductor device package including same
Disclosed is in the embodiment is a semiconductor device comprising: a first conductive semiconductor layer; a second conductive semiconductor layer; an active layer disposed between the second conductive semiconductor layer and the second conductive semiconductor layer; a first electrode electrically connected to the first conductive semiconductor layer; and a second electrode electrically connected to the second conductive semiconductor layer, wherein the first conductive semiconductor layer includes a first sub semiconductor layer, a third sub semiconductor layer and a second sub semiconductor layer disposed between the first sub semiconductor layer and the third sub semiconductor layer, wherein proportion of aluminum in the first sub semiconductor layer and the third sub semiconductor layer is larger than an proportion of aluminum in the active layer, and an proportion of aluminum in the second sub semiconductor layer is smaller than the proportion of aluminum in the first sub semiconductor layer and the third sub semiconductor layer, wherein the second conductive semiconductor layer includes a current injection layer of which proportion of aluminum decreases as a distance from the active layer increases, the first electrode is disposed on the second sub semiconductor layer, the second electrode is disposed on the current injection layer, and the ratio of the average value of the proportion of aluminum in the second sub semiconductor layer to the average value of the proportion of aluminum in the current injection layer is 1:0.12 to 1:1.6.
US10971650B2 Light emitting device
A light emitting device includes a stacked structure and a first insulating layer covering at least side surfaces of the stacked structure including a p-type and n-type semiconductor layers, a light emitting layer sandwiched between the p-type and n-type semiconductor layers, an n-type electrode on the n-type semiconductor layer, an n-type contact layer sandwiched between the n-type semiconductor layer and the n-type electrode, a p-type electrode on the p-type semiconductor layer, an n-type contact pad on the n-type electrode, a p-type contact pad on the p-type electrode, and a semiconductor reflector between the light emitting layer and the n-type contact layer including multiple periods, each period including at least a first layer and at least a second layer having a refractive index different from a refractive index of the first layer. The light emitting device could be applied to wide color gamut (WCG) backlight modules or ultra-thin backlight modules.
US10971647B2 Solar cell via thin film solder bond
A method of forming a solar cell device that includes forming a porous layer in a monocrystalline donor substrate and forming an epitaxial semiconductor layer on the porous layer. A solar cell structure is formed on the epitaxial semiconductor layer. A carrier substrate is bonded to the solar cell structure through a bonding layer. The monocrystalline donor substrate is removed by cleaving the porous layer. A grid of metal contacts is formed on the epitaxial semiconductor layer. The exposed portions of the epitaxial semiconductor layer are removed. The exposed surface of the solar cell structure is textured. The textured surface may be passivated, in which the passivated surface can provide an anti-reflective coating.
US10971644B2 Photodetection device, photodetection system, and moving body
An avalanche diode is provided and includes a first semiconductor region and a second semiconductor region. At a deeper position, the avalanche diode includes a third semiconductor region having an impurity concentration lower than that of the first semiconductor region, and a fourth semiconductor region having an impurity concentration lower than that of the second semiconductor region. At a further deeper position, the avalanche diode includes a fifth semiconductor region having an impurity concentration lower than that of the third semiconductor region. In a plan view, the first semiconductor region overlaps at least a part of the third semiconductor region, the second semiconductor region overlaps at least a part of the fourth semiconductor region, and the third and fourth semiconductor regions overlap the fifth semiconductor region.
US10971641B2 Flexible optoelectronic devices
An optoelectronic device comprising a unit, which unit comprises: a plurality of resiliently flexible sheet components bonded together, the resiliently flexible sheet components comprising: (i) a first sheet component comprising at least a stack of layers defining an array of pixel electrodes and electrical circuitry for independently addressing each pixel electrodes via addressing conductors outside the array of pixel electrodes; and (ii) a second sheet component bonded to a top surface of the first sheet component; wherein the device further comprises one or more driver chips bonded to the first sheet component in a location underlying the second component and for electrical contact between said addressing conductors and terminals of said one or more driver chips; and wherein the thickness of material in the unit in the region of the one or more driver chips is substantially the same as the thickness of material in the unit in the region of the array.
US10971640B2 Self-assembly patterning for fabricating thin-film devices
A method (200) for fabricating patterns on the surface of a layer of a device (100), the method comprising: providing at least one layer (130, 230); adding at least one alkali metal (235) comprising Cs and/or Rb; controlling the temperature (2300) of the at least one layer, thereby forming a plurality of self-assembled, regularly spaced, parallel lines of alkali compound embossings (1300, 1305) at the surface of the layer. The method further comprises forming cavities (236, 1300) by dissolving the alkali compound embossings. The method (200) is advantageous for nanopatterning of devices (100) without using templates and for the production of high efficiency optoelectronic thin-film devices (100).
US10971637B2 Airship with a radio frequency transparent photovoltaic cell
A radio frequency transparent photovoltaic cell includes a back contact layer formed of an electrically conductive material, at least one aperture formed in the back contact layer, and at least one photovoltaic cell section disposed on the back contact layer. An airship includes one or more radio frequency antennas disposed in an interior of the airship. One or more radio frequency transparent photovoltaic cells are disposed on an outer surface of the airship.
US10971631B2 Thin film transistor and method of fabricating the same, display substrate and method of fabricating the same, display device
The present application provides a thin film transistor (TFT) and a method of fabricating the same, a display substrate and a method of fabricating the same, and a display device. The TFT includes a substrate, and a source electrode, a drain electrode and an active layer on the substrate. The active layer includes first and second active layers, the first active layer has a carrier mobility greater than that of the second active layer, and the second active layer is closer to the source electrode and the drain electrode than the first active layer. An orthographic projection of the source electrode on the substrate and an orthographic projection of the drain electrode on the substrate at least partially overlap with an orthographic projection of the second active layer on the substrate, respectively, and the first active layer is separated from the source electrode and the drain electrode.
US10971627B2 Semiconductor structure and manufacturing method
Aspects of the disclosure provide a semiconductor device. The semiconductor device includes a gate structure, a spacer structure and a source/drain structure that are formed on a surface of the semiconductor layer. The gate structure includes a dielectric structure, a metal structure and an insulator structure. The dielectric structure is formed on the surface of the semiconductor layer. A bottom of the metal structure contacts a top of the dielectric structure. The bottom of the insulator structure contacts a top of the metal structure and the insulator structure protrudes over the top of the metal structure. The spacer structure is configured to extend underneath the bottom of the insulator structure and contact a sidewall of the metal structure. The spacer structure is configured to space between the gate structure and the source/drain structure. The source/drain structure includes a source/drain doped structure, a silicide structure and a metal contact plug.
US10971626B2 Interface charge reduction for SiGe surface
Techniques for interface charge reduction to improve performance of SiGe channel devices are provided. In one aspect, a method for reducing interface charge density (Dit) for a SiGe channel material includes: contacting the SiGe channel material with an Si-containing chemical precursor under conditions sufficient to form a thin continuous Si layer, e.g., less than 5 monolayers thick on a surface of the SiGe channel material which is optionally contacted with an n-dopant precursor; and depositing a gate dielectric on the SiGe channel material over the thin continuous Si layer, wherein the thin continuous Si layer by itself or in conjunction with n-dopant precursor passivates an interface between the SiGe channel material and the gate dielectric thereby reducing the Dit. A FET device and method for formation thereof are also provided.
US10971623B2 Semiconductor device and method for manufacturing the same
A semiconductor device includes a semiconductor body, first and second electrodes and a control electrode. The semiconductor body is positioned between the first and second electrodes. The control electrode is provided between the semiconductor body and the first electrode. The semiconductor body includes a first layer of a first conductivity-type and a second layer of a second conductivity-type alternately arranged along the first electrode. The first and second layers include first and second low-concentration portions, respectively. The first low-concentration portion has a first conductivity-type impurity concentration lower than that in other portion of the first layer. The second low-concentration portion has a second conductivity-type impurity concentration lower than that in other portion of the second layer. The first low-concentration portion is positioned at a level same as a level of the second low-concentration portion in a direction directed toward the first electrode from the second electrode.
US10971620B2 Method for producing a semiconductor arrangement
A method includes partly removing a supporting layer arranged between a first semiconductor layer and a second semiconductor layer using an etching process to form at least one undercut between the first semiconductor layer and the second semiconductor layer, at least partly filling the at least one undercut with a first material having a higher thermal conductivity than the supporting layer, and forming a sensor device in or on the second semiconductor layer. Semiconductor arrangements and devices produced by the method are also described.
US10971618B2 Generating milled structural elements with a flat upper surface
A miller, a non-transitory computer-readable medium, and a method for milling a multi-layered object. The method may include milling each structural element of an array of structural elements that are spaced apart from each other by gaps to provide the milled structural elements, wherein each milled structural element has a flat upper surface, wherein prior the milling each one of the structural elements of the array has a flat upper surface of a certain width, wherein the certain width is of a nanometric scale. The milling of each structural element of the array may include scanning a defocused ion beam of the certain width along a longitudinal axis of the structural element. A current intensity of the defocused ion beam decreases with a distance from a middle of the defocused ion beam.
US10971617B2 Semiconductor device and manufacturing method thereof
Some embodiments of this disclosure provide a semiconductor device. The semiconductor device includes: a substrate; a barrier layer, disposed on the substrate; a first channel layer, disposed on the barrier layer; a first gate conductor, disposed on the first channel layer; and a first doped semiconductor layer, disposed between the first gate conductor and the first channel layer, where a forbidden band width of the barrier layer is greater than a forbidden band width of the first channel layer.
US10971615B2 High power performance gallium nitride high electron mobility transistor with ledges and field plates
Certain aspects of the present disclosure provide a high electron mobility transistor (HEMT). The HEMT generally includes a gallium nitride (GaN) layer and an aluminum gallium nitride (AlGaN) layer disposed above the GaN layer. The HEMT also includes a source electrode, a gate electrode, and a drain electrode disposed above the AlGaN layer. The HEMT further includes n-doped protuberance(s) disposed above the AlGaN layer and disposed between at least one of: the gate electrode and the drain electrode; or the source electrode and the gate electrode. Each of the n-doped protuberances is separated from the gate electrode, the drain electrode, and the source electrode.
US10971612B2 High electron mobility transistors and power amplifiers including said transistors having improved performance and reliability
A power amplifier comprising a GaN-based high electron mobility transistor (HEMT) device, wherein a power added efficiency (PAE) of the power amplifier is greater than 32% at P1DB during operation of the power amplifier between 26.5 GHz and 30.5 GHz.
US10971611B2 Particle detectors
A beam detector including a light source, a receiver, and a target, acting in cooperation to detect particles in a monitored area. The target reflects incident light, resulting in reflected light being returned to receiver. The receiver is capable of recording and reporting light intensity at a plurality of points across its field of view. In the preferred form the detector emits a first light beam in a first wavelength band; a second light beam in a second wavelength band; and a third light beam in a third wavelength band, wherein the first and second wavelengths bands are substantially equal and are different to the third wavelength band.
US10971593B2 Oxygen reservoir for low threshold voltage P-type MOSFET
A p-type FinFET has an oxygen reservoir disposed on the gate stack. The oxygen reservoir provides an oxygen rich environment during processing steps of manufacturing the device to help the work function metal retain or obtain oxygen to maintain or increase the work function and keep the Vth of the device lower.
US10971590B2 Transistor layout to reduce kink effect
The present disclosure, in some embodiments, relates to an integrated chip. The integrated chip includes a substrate having interior surfaces that define a trench within an upper surface of the substrate. One or more dielectric materials are disposed within the trench. A source region disposed within the substrate and a drain region is disposed within of the substrate and separated from the source region along a first direction. A gate structure is over the upper surface of the substrate between the source region and the drain region. The upper surface of the substrate has a first width directly below the gate structure that is larger than a second width of the upper surface of the substrate within the source region or the drain region. The first width and the second width are measured along a second direction that is perpendicular to the first direction.
US10971588B2 Semiconductor device including FinFET with self-align contact
A semiconductor device includes a fin structure, first and second gate structures, a source/drain region, a source/drain contact layer and a separation layer. The fin structure protrudes from an isolation insulating layer disposed over a substrate and extends in a first direction. The first and second gate structures are formed over the fin structure and extend in a second direction crossing the first direction. The source/drain region is disposed between the first and second gate structures. The interlayer insulating layer is disposed over the fin structure, the first and second gate structures and the source/drain region. The first source/drain contact layer is disposed on the first source/drain region. The separation layer is disposed adjacent to the first source/drain contact layer. Ends of the first and second gate structures and an end of the source drain contact layer are in contact with a same face of the separation layer.
US10971583B2 Gate cut isolation including air gap, integrated circuit including same and related method
A gate cut isolation including an air gap and an IC including the same are disclosed. A method of forming the gate cut isolation may include forming an opening in a dummy gate that extends over a plurality of spaced active regions, the opening positioned between and spaced from a pair of active regions. The opening is filled with a fill material, and the dummy gate is removed. A metal gate is formed in a space vacated by the dummy gate on each side of the fill material, and the fill material is removed to form a preliminary gate cut opening. A liner is deposited in the preliminary gate cut opening, creating a gate cut isolation opening, which is then sealed by depositing a sealing layer. The sealing layer closes an upper end of the gate cut isolation opening and forms the gate cut isolation including an air gap.
US10971580B2 Silicon carbide schottky diodes with tapered negative charge density
A silicon carbide (SiC) Schottky diode comprises a layer of N-type SiC and a layer of P-type SiC in contact with the layer of N-type SiC creating a P-N junction. An anode is in contact with both the layer of N-type SiC and the layer of P-type SiC creating Schottky contacts between the anode and both the layer of N-type SiC and the layer of P-type SiC. An edge of the layer of P-type SiC is electrically active and comprises a tapered negative charge density at the P-N junction, which can be achieved by a tapered or sloping edge the layer of P-type SiC.
US10971576B2 High resistivity soft magnetic material for miniaturized power converter
An on-chip magnetic structure includes a magnetic material comprising cobalt in a range from about 80 to about 90 atomic % (at. %) based on the total number of atoms of the magnetic material, tungsten in a range from about 4 to about 9 at. % based on the total number of atoms of the magnetic material, phosphorous in a range from about 7 to about 15 at. % based on the total number of atoms of the magnetic material, and palladium substantially dispersed throughout the magnetic material.
US10971575B2 Display device having data lines spaced apart from each other by different distances
A display device includes a substrate with a display area and a non-display area, pixels disposed in the display area, a first wire extending from the pixels to the non-display area and disposed on the substrate, an insulating layer covering at least the first wire, a second wire extending from the pixels to the non-display area, and a second insulating layer or the first insulating layer covering the second wire, wherein the first wire is disposed on the non-display area either spaced apart from the second wire by a first distance and a second distance that is different from the first distance, or in a position overlapping at least part of the second wire.
US10971571B2 Display device for preventing arcing and method of manufacturing the same
A display device includes a first substrate where a display area and a non-display are defined, wherein a plurality of pixels are arranged at the display area and the non-display area surrounds the display area; a dam surrounding the display area and arranged at the non-display area; an organic light emitting diode provided in the display area; an encapsulation film disposed on the organic light emitting diode; a buffer layer disposed on the encapsulation film; an insulating film disposed on the buffer layer; a pad area arranged outside the dam, wherein the buffer layer and the insulating film extend from the display area to the pad area; a link line disposed between the dam and the first substrate; and a routing line provided on the insulating layer between the display area and the pad area.
US10971570B2 Display device and brightness detection method therefor
A display device includes a display layer, at least one brightness detecting unit group disposed on a light emitting side of the display layer, and a control module coupled to each of the brightness detecting units. The display layer includes a plurality of display units. Each display unit includes at least one sub-pixel. Each brightness detecting unit group includes a plurality of brightness detecting units, an orthographic projection of one brightness detecting unit on the display layer has an overlapping area with an arranging area of one display unit on the display layer. Respective portions, lying in overlapping areas, of the display units corresponding to different brightness detecting units in the same brightness detecting unit group are the same.
US10971566B2 Display device including frame wiring in bending section
At a bending section of a frame region, an opening portion is formed, in at least one inorganic insulating film included in the TFT layer, through the at least one inorganic insulating film to expose an upper surface of a resin substrate, and a frame wiring line is provided on the resin substrate exposed through the opening portion, and among the at least one inorganic insulating film included in the TFT layer, an inorganic insulating film being in contact with the upper surface of the resin substrate is formed with a silicon oxynitride film.
US10971564B2 Display panel, manufacturing method thereof, and display device
Disclosed are a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate, the base substrate including a display region and a border region surrounding the display region, wherein the border region includes a specially-shaped border region; a first barrier structure configured to be disposed in at least the specially-shaped border region; and at least one second barrier structure configured to be disposed only in the specially-shaped border region.
US10971563B2 Organic light-emitting display apparatus
An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.
US10971562B2 Display apparatus with touch sensor having shield layer between touch sensor line and driving line
A display apparatus includes a substrate having active and non-active areas; data lines and gate lines on the substrate; a driving line in the non-active area; a plurality of pixels connected to the data lines and the gate lines, each pixel including: a light emitting diode, and a driving transistor with the driving line under a cathode of the light emitting diode in the non-active area; a shield layer between the cathode and the driving line; an encapsulation layer on the cathode; a touch electrode on the encapsulation layer in the active area, and a touch line on the encapsulation layer to supply a touch signal to the touch electrode. The driving line is below the touch line in the non-active area. The encapsulation layer has a sloped surface, and the touch line is on the sloped surface such that the touch line has a corresponding slope.
US10971554B2 Organic light-emitting device
An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.
US10971550B2 Photodiode arrays
A technique comprising: forming on a support film a first stack of layers defining an array of photodiodes; forming over the first stack of layers in situ on the support film a second stack of layers defining electrical circuitry by which the photoresponse of each photodiode is independently detectable via an array of conductors outside the array of photodiodes; wherein forming the first stack of layers comprises depositing an organic semiconductor material over a first electrode, and depositing a second electrode over the organic semiconductor material, wherein the electrical circuitry comprises transistors including photosensitive semiconductor channels, and the second electrode also functions to substantially block the incidence of light on the photosensitive semiconductor channels from the direction of the support film.
US10971548B2 Variable resistance memory device including symmetrical memory cell arrangements and method of forming the same
A variable resistance non-volatile memory device can include a semiconductor substrate and a plurality of first conductive lines each extending in a first direction perpendicular to the semiconductor substrate and spaced apart in a second direction on the semiconductor substrate. A second conductive line can extend in the second direction parallel to the semiconductor substrate on a first side of the plurality of first conductive lines and a third conductive line can extend in the second direction parallel to the semiconductor substrate on a second side of the plurality of first conductive lines opposite the first side of the plurality of first conductive lines. A plurality of first non-volatile memory cells can be on the first side of the plurality of first conductive lines and each can be coupled to the second conductive line and to a respective one of the plurality of first conductive lines, where each of the plurality of first non-volatile memory cells can include a switching element, a variable resistance element, and an electrode arranged in a first sequence. A plurality of second non-volatile memory cells can be on the second side of the plurality of first conductive lines and each can be coupled to the third conductive line and to a respective one of the plurality of first conductive lines, wherein each of the plurality of second non-volatile memory cells includes a switching element, a variable resistance element, and an electrode that are arranged in a second sequence, wherein the first sequence and the second sequence are symmetrical with one another about the plurality of first conductive lines.
US10971542B2 Method of forming a semiconductor device
Systems and methods including bonding two or more separately formed circuit layers are provided using, for example, cold welding techniques. Processing techniques may be provided for combining inorganic and/or organic semiconductor devices in apparatus including, for example, microchips, optoelectronic devices, such as solar cells, photodetectors and organic light emitting diodes (OLEDs), and other apparatus with multi-layer circuitry. Methods of bonding preformed circuit layers may include the use of stamping and pressure bonding contacts of two or more circuit layers together. Such methods may find applicability, for example, in bonding circuitry to shaped substrates, including various rounded and irregular shapes, and may be used to combine devices with different structural properties, e.g. from different materials systems.