| Document | Document Title |
|---|---|
| US11071227B2 |
Accessory rod assembly for a cable manager
An accessory rod assembly for positioning cables and cable management accessories in a cable manager includes a base member, an accessory rod, and a rotatable knob. The base member has a front, a rear, and two sides, the front including a forward-facing socket, the rear including a first hook protruding rearwardly therefrom, and one of the two sides including a threaded portion. The accessory rod has an extruded construction and a generally uniform, at least partially cylindrical cross-sectional shape along its length. The at least partially cylindrical cross-sectional shape is defined by two opposed arcuate portions interconnected by a midsection portion. Adjacent edges of the two opposed arcuate portions define a drop-in T-slot channel that extends along the length of the accessory rod. The rotatable knob has a handle and a threaded end received within the threaded portion of the base member. |
| US11071225B2 |
Smart high-voltage relay
An integrated smart relay assembly includes a case and an electronic solid-state switch disposed inside the case and a gate driver circuit electrically connected to the electronic solid-state switch. The gate driver circuit is configured to drive the electronic solid-state switch with a predetermined gate voltage and a predetermined gate current. The relay assembly further includes a protection circuit electrically connected to the gate driver circuit. The protection circuit is configured to protect the electronic solid-state switch against over-voltage, short circuit, and overheating. The relay assembly further includes a communication interface integrated with the electronic solid-state switch. Each of the protection circuit, electronic solid-state switch, and the communication interface is disposed inside the case. |
| US11071217B2 |
Device for fastening a plate
A device for fastening a plate, comprising a receiving structure with an abutment for receiving the plate and a fastener for fastening of the plate. The device should be produced at low cost, allow for average production tolerances and be susceptible to little wear. This is achieved in that a fastener for fastening comprise at least one snap arm, which can in each case swivel in an elastic manner about an axis perpendicular to a main surface of the plate and which presses the received plate against the abutment under pre-tension. |
| US11071216B1 |
Mounting system, devices, methods and uses thereof
The present specification discloses systems, devices, and methods provide a mounting system which includes rail and a bracket which is selectively secured to the rail. The bracket is selectively and/or automatically locked to the rail when positioned on the rail, and may be removed from the rail by activating one or more buttons or actuators. The disclosed mounting systems, devices, and methods enable a device to be protected from impact and moisture exposure, enable a device to be securely mounted on a base, and/or enable a device to be quickly secured and removed from a base. |
| US11071213B2 |
Methods of manufacturing a high impedance surface (HIS) enhanced by discrete passives
In one or more embodiments, a method of manufacturing a high impedance surface (HIS) apparatus comprises patterning a first conducting layer on a core to form a first set of conducting pads, and patterning a second conducting layer on the core to form a second set of conducting pads. The method further comprises applying solder paste to each of the conducting pads of the second set of conducting pads. Also, the method comprises placing chip capacitors on the solder paste on the second set of conducting pads. In addition, the method comprises applying underfill between the chip capacitors. Also, the method comprises applying solder paste to each of the conducting pads of the first set of conducting pads. In addition, the method comprises placing chip inductors on the solder paste on the first set of conducting pads. Further, the method comprises applying underfill between the chip inductors. |
| US11071211B2 |
Electronic component mounting method
Provided is a method for operating an electronic component mounting system including component storages including a keeping rack, a dry box and a dryer. The method includes, after a reel of a moisture sensitive device is dispatched from a component keeping area and setup to a tape feeder is performed in an external setup area, measuring a exposure time for which the moisture sensitive device is in an atmospheric exposure state is in a reel unit, and comparing the exposure time with an exposure limit time set for the moisture sensitive device and stored in a storage. The method includes stopping using the reel of the moisture sensitive device whose exposure time exceeds the exposure limit time. |
| US11071210B2 |
Anisotropic etching using highly branched polymers
An etching composition for etching an electrically conductive layer structure for forming a conductor track is provided. The etching composition includes an etchant, a highly branched compound and optionally a solvent. In addition, a method of etching an electrically conductive layer structure, a conductor track, an arrangement of at least two conductor tracks, and a component carrier are provided. |
| US11071204B2 |
Parking management system
A plurality of electronic signaling and image processing devices coupled to street roadside illumination poles, communicatively networked with one another, vehicles, and at least one remote client to manage all roadside municipal parking stalls in the pole's vicinity in real time. |
| US11071200B2 |
Metal trace
A metal trace is provided to include a plurality of metal traces disposed side by side on a bending region, and each of the metal traces includes a trace body, and the trace body is provided with a plurality of through holes, and the plurality of through holes are used to reduce bending stress received by the metal traces, and the plurality of through holes are spaced apart along an extending direction of the trace body. The plurality of through holes are disposed on the trace body to reduce bending stress on the metal traces. |
| US11071199B2 |
Optical printed circuit board and its fabrication method
An optical printed circuit board and its fabrication method. The optical printed circuit board includes an electrical conductor arranged for conducting electric signal, an optical waveguide arranged for transmitting optical signal, and an optical waveguide coupling interface arranged at an end of the optical waveguide. The optical waveguide coupling interface is arranged for engagement with an external optical device to optically couple the external optical device with the optical waveguide. The optical waveguide coupling interface includes a first engagement mechanism with a socket defining a space for receiving with a corresponding plug on the external optical device or a plug arranged to be received in a corresponding socket on the external optical device. |
| US11071198B2 |
Highly integrated miniature radiometer chip
A highly integrated miniature radiometer chip includes a base board with opposing top and bottom etched metal layers to form interconnect and ground pads, and a cavity to provide space for surface mounted parts that are attached to the bottom of a middle board which mounts directly over the top of the base board. The middle board has radio frequency circuits and semiconductor chips at a top metal layer, and surface mounted parts, and ground and signal pads at a bottom metal layer. Metalized vias extending through the dielectric material connect the top and bottom layers. A top cover includes a feedhorn, a waveguide section, and isolation compartments and channels that overlie the RF circuits on the middle board. A dielectric insert is located inside the feedhorn to enhance the feedhorn performance and seal the radiometer chip from external air, humidity and contaminants. |
| US11071197B2 |
Multilayer ceramic electronic package with modulated mesh topology and alternating rods
An electronic package including modulated mesh planes can reduce crosstalk between adjacent signal wires. Modulated mesh planes above and below a wiring plane include sets of adjacent wires arranged parallel to signal wires within the wiring plane, and sets of adjacent wires arranged perpendicular to the signal wires. The wires in each of the mesh planes are electrically interconnected and insulated from the signal wires by a dielectric layer. The electronic package also includes a region of the mesh planes having the adjacent wires that are perpendicular to the signal wires separated by a first distance, and another region of the mesh planes having adjacent wires perpendicular to the signal wires separated by a distance greater than the first distance. A set of rectangular mesh areas of the mesh planes can be populated with supplemental wires and via interconnect structures which can further reduce crosstalk. |
| US11071196B2 |
Electronic device module and method of manufacturing electronic device module
An electronic device module may include: a board; a ground electrode disposed on a first surface of the board; a sealing portion disposed on the first surface of the board; electronic devices mounted on the first surface of the board such that at least one of the electronic devices is embedded in the sealing portion; a first shielding wall connected to the ground electrode and disposed along a side surface of the sealing portion; and a shielding layer formed of a conductive material and disposed along a surface formed by the sealing portion and the first shielding wall. |
| US11071192B2 |
Flat flexible support piece for a dielectrically impeded plasma treatment
In the case of a flat flexible support piece comprising an electrode arrangement, to which a high voltage can be supplied, for a dielectrically impeded plasma treatment of a surface to be treated, wherein the electrode arrangement has at least one flat electrode (3) and a dielectric layer (2) which has a support face for the surface to be treated and which is composed of flat flexible material and which electrically shields the at least one electrode (3) from the surface to be treated such that only a dielectrically impeded current flow between the at least one electrode (3) and the surface to be treated is possible when a plasma field is produced by the bias on the electrode (3) in a gas space between the electrode arrangement and the surface to be treated, simplified handling and increased safety are achieved in that the support piece has a high-voltage stage (14) for generating a high voltage, the output of said high-voltage stage being connected to the at least one electrode (3) by a connecting piece (17, 17′) on the support piece. |
| US11071189B2 |
Conductive metal screen for lightning strike protection and a method for fabricating same
A Conductive Lightning Protective Screen (CLPS) and a method for fabricating the CLPS is provided, wherein the CLPS includes a screen structure having a structure thickness of between about 0.002 inches and about 0.006 inches, wherein the screen structure includes a plurality of openings. Each of the plurality of openings are defined by a plurality of sidewalls each having a sidewall width of between about 0.005 inches and 0.009 inches, wherein each of the plurality of openings shares at least one sidewall of the plurality of sidewalls of an adjacent opening. Moreover, each of the plurality of openings includes an opening width and an opening length of substantially equal size, and wherein each of the plurality of openings include a plurality of substantially equal internal angles. |
| US11071188B2 |
Intelligent lighting control system air gap apparatuses, systems, and methods
The present disclosure provides an intelligent lighting control system. The lighting control system includes a base module including a base housing forming a well and including a first electrical connector positioned in the well. A depressible switch is housed in the well that includes a spring biasing the depressible switch into an extended position that opens an electrical circuit between the power terminal and the first electrical connector. The lighting control system also includes a light switch module configured for nesting, at least in part, in the well of the base module. The light switch module includes a module housing configured to press the depressible switch into a retracted position upon nesting in the well and thereby close the electrical circuit between the power terminal and the first electrical connector and release the depressible switch into the extended position when unnested from the well of the base module. |
| US11071184B1 |
Smart flicker-free PWM generation for multi-channel LED drivers
The disclosure describes techniques for driving a plurality of light emitting diodes (LEDs) arranged in a parallel connection by using PWM (Pulse Width Modulation) dimming. The techniques of this disclosure describe the generation and application of a fixed phase shift map to a driver matrix based on pixel position. Each pixel corresponds to an LED light source. In the fixed phase shift map, each pixel will have a pre-defined phase shift calculated to induce a determined variation in turn-on time for geometrically neighbouring pixels to spread out current demand over time during PWM dimming. |
| US11071175B2 |
Removable electric grill controller with mount
The present disclosure related to an electric grill's housing, controller, and a mounting bracket which mounts the controller to the housing. The mounting bracket is generally hollow and forms a thermal barrier between the controller and the housing, wherein the thermal barrier protects the controller from heat generated in the housing. As a result, the controller does not require insulation and may include lower temperature rated components. Moreover, the mounting bracket may have metallic tabs which interface with spring elements on the controller, thereby fastening the controller to the bracket. These spring elements and metallic tabs may be in electric communication with the housing, thereby allowing the controller to act as an electric ground with respect to the housing. |
| US11071174B2 |
Directed infrared radiator article
Articles for emitting infrared energy comprising a nanostructured member including a plurality of nanotubes, the member being configured to emit infrared energy when an electrical current is applied; a reflecting member configured to direct at least a portion of the emitted infrared energy in a desired direction for heating a remotely-situated target, and optionally a spacer situated between the nanostructured member and the reflecting member to maintain a predetermined spacing there between, the predetermined spacing selected to minimize destructive interference between the infrared energy emitted by the nanostructured member and the infrared energy reflected by the reflecting member. In alternative embodiments, a carbonaceous member may be substituted for the nanostructured member. |
| US11071172B2 |
Bandwidth adaptation for wireless communication system
Technology for a user equipment (UE) configured for bandwidth adaptation (BWA) is disclosed. The UE can decode resource allocation information for a first radio frequency (RF) bandwidth including a primary subband available to the UE for data communication. Th 5 e UE can decode resource allocation information for a second RF bandwidth, wherein the second RF bandwidth comprises the first RF bandwidth and at least one secondary subband available to the UE for data communication. The UE can encode data for transmission to a next generation NodeB (gNB) using resources allocated for the second RF bandwidth in the primary subband and the secondary subband. The UE 10 can have a memory interface configured to send to a memory the resource allocation information for the first RF bandwidth and the second RF bandwidth. |
| US11071170B2 |
Reg bundling size and dm-rs pattern for physical downlink control channel
Technology for a user equipment, operable to configure a control resource set (CORESET) is disclosed. The UE can decode a signal, received from a next generation node B (gNB), that includes a resource element group (REG) bundling size for a first CORESET. The UE can decode a signal, received from the gNB that includes a REG bundling size for a second CORESET. The UE can decode a control message contained in one or more REGs in one or more of the first CORESET or the second CORESET. |
| US11071166B2 |
Apparatus and method for an open control plane in wireless networks
An ‘open control network’ is described, wherein the control plane functions within the Radio Access Network (such as eNodeB and gNodeB) and Core Network (such as MME, AMF and SMF) provide an interface towards the operator and 3rd party control applications. Applications are allowed to securely register to signaling protocols within the control plane, specifically to the RAN or the Core Network control functions to view, intercept and intervene certain types of control messages or procedures. Innovative applications can be developed to view and modify control plane behavior utilizing both traditional methods as well as upcoming Machine Learning and Artificial Intelligence algorithms to provide services that are not part of standard operator offerings. An even more flexible control plane infrastructure is described by allowing operator services and/or non-operator services to subscribe to certain control functions/messages to manage in real-time certain user-group's behavior or enforce slice-specific behavior according to slice requirements. |
| US11071165B2 |
Communication method, equipment, system, and computer storage medium
Disclosed are a communication method, equipment, system, and computer storage medium. The method includes: establishing, by a first network node, a stream control transmission protocol (SCTP) association pool with a second network node, where the SCTP association pool includes at least one SCTP associations; selecting, by the first network node, from the SCTP association pool, an SCTP association for signaling transmission; and performing, by the first network node, via the SCTP association, the signaling transmission with the second network node. |
| US11071164B2 |
Multiple active bandwidth parts
Bandwidth parts (BWPs) and other resources for wireless communications are described. A wireless device may use a BWP control procedure and/or a BWP timer management procedure for activating, deactivating, and/or switching BWPs, for example, using multiple active BWPs. A base station may send information comprising one or more fields indicating an action associated with a BWP, for example, if multiple active BWPs are supported. A wireless device may control a first BWP inactivity timer associated with a first active BWP, for example, based on activating, deactivating, and/or switching a second BWP. |
| US11071162B2 |
Broadcast or multicast physical layer configuration and channel structure
Methods, systems, and devices for wireless communication are described. Some wireless communications systems (e.g., New Radio (NR) systems) may support the dynamic configuration of time intervals (or slots) for communication in a specific link direction (e.g., uplink, downlink, sidelink, etc.). In such cases, a base station may dynamically allocate time intervals (or slots) for broadcast or multicast data (e.g., via a physical downlink control channel (PDCCH)) based on the dynamically determined configuration of certain time intervals (or slots). The dynamic allocation of resources for broadcast or multicast data may ensure that broadcast or multicast data is not scheduled to be transmitted during time intervals configured for uplink communication. In some cases, the broadcast or multicast data may be transmitted on a portion of a system bandwidth that is frequency division multiplexed with another portion of the system bandwidth allocated for mobile broadband (MBB) communications. |
| US11071160B2 |
Methods for beam recovery in millimeter wave systems
Certain aspects of the present disclosure provide techniques for signaling information regarding beams used for data and control transmissions to a UE. For example, a method for wireless communications by a user equipment (UE), may generally include signaling information to a base station (BS) that the UE is seeking recovery of a beamformed link between the BS and the UE, and participating in recovery of the beamformed link in accordance with the information. A method for wireless communications by a base station (BS), may generally include receiving information from a user equipment (UE) that the UE is seeking recovery of a beamformed link between the BS and the UE, and participating in recovery of the beamformed link in accordance with the information. |
| US11071157B2 |
Adding a base station for dual connectivity of a wireless device
A first base station receives from a second base station, at least one listen before talk (LBT) parameter based on one or more results of one or more LBT processes performed by the second base station on one or more licensed assisted access (LAA) cells. The first base station transmitsg to the second base station and based on the at least one LBT parameter, a request message to add the second base station for dual connectivity of a wireless device. The first base station transmits to the wireless device, configuration parameters of the one or more LAA cells for communication with the second base station. |
| US11071156B2 |
Signal transmission method for device-to-device (D2D) communication in wireless communication system, and apparatus therefor
The present invention relates to a method and an apparatus for D2D signal transmission of a first terminal in a wireless communication system. Specifically, the method comprises the steps of: receiving a resource pool configuration indicating a D2D resource pool; and transmitting a D2D data channel on the basis of a D2D slot number which is re-indexed within the D2D resource pool. |
| US11071152B2 |
Access barring and radio resource control connection in new radio to long-term evolution voice fallback
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify that a radio resource control connection is to be established for evolved packet system fallback or inter radio access technology fallback from New Radio for a voice call. The UE may determine that an establishment cause received from a network access stratum (NAS) layer does not indicate high priority access. The UE may override the establishment cause such that the establishment cause indicates a mobile originated (MO) voice call based at least in part on determining that the establishment cause received from the NAS layer does not indicate high priority access. The UE may perform an access barring check of an MO voice call based at least in part on overriding the establishment cause such that the establishment cause indicates an MO voice call. Numerous other aspects are provided. |
| US11071147B2 |
Backoff procedure in random access
Certain aspects of the present disclosure provide techniques for a random backoff procedure in a wireless communication network such as a new radio (NR) network. A method for wireless communications that can be performed by a user equipment (UE) is provided. The method includes sending a random access preamble to a base station (BS) during a random access procedure. The method includes receiving a random access response from the BS including a backoff indicator. The method includes determining whether to send a contention-free random access (CFRA) preamble to the BS during the backoff period based, at least in part, on a type of the random access procedure. |
| US11071144B2 |
Vehicle-to-everything ultra-reliable/low- latency communications design
Methods, systems, and devices for wireless communications are described. A UE may identify a shortened transmission time interval (TTI) to be used for priority communications with a vehicle having a first traffic priority level, the shortened TTI having a duration that is less than that of other TTIs used in other communications with the vehicle having a second traffic priority level less than the first traffic priority level. The UE may transmit a request-to-send (RTS) message during the shortened TTI, the RTS message indicating an identifier and a configuration for the priority communications during the shortened TTI. The UE may receive a clear-to-send (CTS) message from one or more wireless devices participating in the priority communications, the CTS message indicating a sequence associating the CTS message with the RTS message. The UE may perform the priority communications with the wireless devices from which the CTS messages were received. |
| US11071138B2 |
OTA dynamic TDD with CUI-R multiplexed in UL
Over-the-air (OTA) dynamic time division duplex (TDD) is disclosed with a channel use indicator (CUI) receiver (CUI-R) signal multiplexed in uplink transmissions. According to various aspects, a user equipment (UE) may receive a downlink grant from a serving base station, in which the downlink grant identifies downlink transmissions in one or more subsequent communication slots. The UE may identify a trigger for transmission of a channel usage signal associated with the grant that may be received by neighboring UEs that may potentially interfere. The UE transmits the channel usage signal in a next scheduled uplink region and then receives downlink data from the serving base station according to the downlink grant. If the neighboring UE receives a conditional uplink grant, then it may proceed with uplink transmissions when it fails to detect the channel usage signal from the UE. |
| US11071137B2 |
Data transmission method and device, and computer-readable storage medium
A data transmission method and device are provided. The method includes: receiving a BSR sent by a terminal; receiving information about a currently accessed WLAN AP sent by the terminal; determining, according to the information about the WLAN AP, the amount of data to be transmitted by the terminal through a LTE network; and sending a UL Grant to the terminal, so that the terminal may determine, according to the U Grant, the amount of data to be transmitted via the LTE network, and the then transmit data via the LTE network and a WLAN network. |
| US11071134B2 |
Feedback information receiving method, base station and user equipment
The present disclosure describes methods, user equipment, and base stations for sending feedback information. One example method includes: sending scheduling information on a downlink control channel to user equipment, wherein the downlink control channel is in a downlink subframe which belongs to a preconfigured downlink subframe set, and the scheduling information is used for scheduling downlink data; determining an uplink subframe for receiving feedback information corresponding to the downlink data, wherein the preconfigured downlink subframe set is a set of downlink subframes that are associated with the uplink subframe and that are of all carriers configured for the user equipment by the base station; sending PUCCH resource indication information to the user equipment for indicating a PUCCH resource. |
| US11071132B2 |
Terminal and radio communication method for reducing interference against predetermined signals
A terminal is disclosed including a receiver that monitors a downlink control channel which is allocated in units of subframes and receives downlink control information; and a processor that controls at least one of data transmission and reception, in units of transmission time intervals (TTIs), based on the downlink control information. Additionally, the processor controls at least one of transmission and reception, assuming that at least one of the subframe duration and the TTI duration is variable; and skips at least of monitoring the downlink control channel and transmitting an uplink control channel, during at least one of the data transmission and reception. |
| US11071130B2 |
Method for supporting plurality of transmission time intervals, plurality of subcarrier intervals or plurality of processing times in wireless communication system, and device therefor
A method for transmitting an uplink signal for a terminal in a wireless communication system supporting aggregation between carriers configured with a plurality of transmission time intervals (TTI) or subcarrier intervals according to an embodiment of the present disclosure is carried out by the terminal and may comprise a step of receiving downlink data, or downlink control information including an uplink grant, and a step of transmitting an uplink signal corresponding to the downlink data or the uplink grant. |
| US11071118B2 |
Terminal apparatus, base station apparatus, method of a terminal apparatus, and method of a base station apparatus each using a measurement configuration
A communication system includes a terminal apparatus and a base station apparatus. The terminal apparatus communicates with a base station apparatus by carrier aggregation using a plurality of serving cells, where each of the plurality of serving cells has a different frequency. In addition, the terminal apparatus removes a measurement identity relevant to a serving cell of the plurality of serving cells based on that the serving cell was removed. |
| US11071113B2 |
Frequency band adaptive wireless communication
A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. The system evaluates signal quality metrics for each frequency band and selects a communication method based on the evaluation. Multiple frequency bands and communication methods can be utilized by the system such that a combination of licensed, unlicensed, semilicensed, and overlapped frequency bands can be simultaneously used for communication. The system monitors communications and can report link performance for adaptive control of the selected communication methods. |
| US11071112B2 |
Dynamically adjusting communication channel bandwidth
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for adjusting communication channel bandwidth. In some implementations, a method includes determining to change a bandwidth of a wireless communication channel on which a transmitter and receiver communicate. In response, and while the transmitter and the receiver maintain data communication on the wireless communication channel, a target value and rate of change is determined for each of one or more communication parameters of the wireless communication channel. The rate of change is a rate at which the communication parameter can be changed over time while continuing to transfer data on the wireless communication channel. Data is provided to the transmitter. The data can cause, for each communication parameter, the transmitter to gradually adjust the communication parameter using the rate of change until the communication parameter reaches the target value. |
| US11071111B2 |
Method and apparatus for transmitting and receiving UE capability information in mobile communication system
In order to transmit capability information of a user equipment (UE) to an evolved Node B (eNB), the UE may generate a UE CAPABILITY INFORMATION message including the capability information of the UE, and transmit the generated UE CAPABILITY INFORMATION message to the eNB. Here, the capability information of the UE may include at least one band combination supported by the UE and whether Time Division Duplexing-Frequency Division Duplexing Carrier Aggregation (TDD-FDD CA) for the band combination is supported. |
| US11071106B2 |
Techniques for communicating on an uplink in a shared radio frequency spectrum band
Techniques are described for wireless communication. One method includes detecting a first reference signal received from a user equipment (UE) in a reference scheduled transmission burst including a plurality of contiguous transmission time intervals (TTIs) received over a shared radio frequency spectrum band; identifying a reference TTI in which the first reference signal is received; determining a contention window size usable by the UE to contend for access to the shared radio frequency spectrum band; and transmitting an indication of the determined contention window size to the UE. |
| US11071100B2 |
Techniques and apparatuses for transmitting downlink control information (DCI) on a physical downlink shared channel (PDSCH)
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may receive a capability indicator from a user equipment (UE) that indicates a capability of the UE to decode downlink control information (DCI) on a physical downlink shared channel (PDSCH). In some aspects, the base station may transmit, to the UE, the DCI on the PDSCH based at least in part on the capability indicator indicating that the UE can decode the DCI on the PDSCH. Numerous other aspects are provided. |
| US11071099B2 |
Reliable indication of a control format indicator value
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) receive a first control format indicator (CFI) value in a message that is not carried via a physical control format indicator channel (PCFICH); may determine whether the UE is operating using at least one of a first configuration with which the first CFI value is to be used or a second configuration with which a second CFI value, indicated in the PCFICH, is to be used; and may operate using at least one of the first CFI value or the second CFI value based at least in part on determining whether the UE is operating using the at least one of the first configuration or the second configuration. Numerous other aspects are provided. |
| US11071098B2 |
Techniques to jointly configure demodulation reference signals
Techniques are described herein for jointly configuring one or more parameters of a plurality of demodulation reference signals (DMRSs) across one or more data channels. A DMRS may be used to estimate one or more channel parameters for a plurality of data channels. To share a DMRS between multiple data channels it may be beneficial to jointly configure one or more parameters of the DMRSs associated with the data channel. A user equipment (UE) may be configured to determine one or more parameters of a plurality of DMRSs using a DMRS pattern configuration that indicates associations between parameters of the different DMRSs. The UE may select a configuration from the one or more configurations of the DMRS pattern configuration based on a variety of factors. For example, the UE may select a joint DMRS configuration based on whether DMRS sharing is enabled or DMRS bundling is enabled. |
| US11071091B2 |
Contention level signaling for resource pools
The technologies described herein are generally directed toward communicating determined contention levels of resource pools to user equipments enabling the user equipments to select from available resource pools. According to an embodiment, a system can comprise a processor and a memory that can store executable instructions that, when executed by the processor, facilitate performance of operations. The operations can include assigning determined contention levels to respective ones of a group of resource pools. The operations can further include communicating, to a user equipment device, the determined contention levels, enabling the user equipment device to select a resource pool of the group of resource pools based on the determined contention levels. |
| US11071090B2 |
Method and apparatus for transmitting synchronization signal, method and apparatus for receiving synchronization signal
Provided are a method and apparatus for transmitting a synchronization signal, and a method and apparatus for receiving the synchronization signal. The method for transmitting the synchronization signal includes: determining, by a transmitting end, the synchronization signal, transmitting, by the transmitting end, the synchronization signal determined to a receiving end, and notifying the receiving end of configuration information related to the synchronization signal determined. |
| US11071083B2 |
Method and system for adjusting packet length and mobile device using the method
A method for adjusting packet length is disclosed. A first reference point currently closest to the mobile device is calculated. It is determined whether the mobile device has been updated a reference point from a server after activated. It is determined whether the cycle of updating position information has been expired if the mobile device has been updated a first reference point from the server after activated. If the cycle of updating position information has not been expired, a position as the mobile device initially enter a range of the previous reference point at an initial time and then moves to a range of the current reference point at the current time is calculated to estimate a future position of the mobile device. A future reference point of the mobile device is calculated according to the estimated future position and is updated to the mobile device and the server. |
| US11071080B2 |
Information receiving method, information sending method, and device
An information receiving method, an information sending method, and a device are provided. Under these methods, a timing adjustment amount can be determined by a first access network device. The timing adjustment amount is an adjustment amount between a first timing at which the first access network device sends a first downlink signal to a first terminal device on a first frequency band and a second timing at which the first access network device sends a second downlink signal to the first terminal device on a second frequency band. The first frequency band and the second frequency band are paired frequency bands. First indication information can be sent, by the first access network device, to the first terminal device. The first indication information indicates the timing adjustment amount. |
| US11071079B2 |
Synchronizing multiple-input/multiple-output signals in distributed antenna systems
The present disclosure describes devices, systems, and methods for synchronizing multiple-input/multiple-output (“MIMO”) signals or other signals in telecommunication systems. Some aspects may involve transmitting signals between a head-end unit and remote units of a telecommunication system. A first delay of a signal path between the head-end unit and a first remote unit of the remote units may be determined to be greater than each delay of signal paths between the head-end unit and other remote units. Based on the first delay, the telecommunication system may be configured to delay transmission of additional signals such that the additional signals are simultaneously transmitted to another unit by either the head-end unit or the remote units. |
| US11071077B2 |
Radio (NR) wideband sync detection
A network sync signal with unknown frequency location is detected by sampling the received signal over a band of interest in frequency, and over the repetition period of the sync signal in time. The signal is converted to the frequency domain. Sub-bands of the frequency-domain signal, corresponding to different possible sync locations and frequency offsets, are extracted and converted to the time domain, where the sync signal is searched over the reception window length using time-domain matched filtering. |
| US11071075B2 |
Apparatus for transmitting synchronous signal, terminal for receiving synchronous signal and method thereof
The present invention relates to a technique of improving, when performing synchronization between a transmitting device and a receiving device communicating on the basis of a beamforming technique, an overall beamforming synchronization performance by enabling fast beam tracking in a receiving device. |
| US11071073B2 |
Radio synchronization configuration in different operation modes
Certain aspects of the present disclosure relate to methods and apparatus synchronization configuration in different operation modes using communications systems operating according to new radio (NR) technologies. For example, a method for wireless communications by a base station (BS) may include determining an operation mode of the BS, determining a transmission configuration of at least one of a one or more synchronization channels or a one or more synchronization signals based on the operation mode, and transmitting the one or more synchronization channels or the one or more synchronization signals based on the determined transmission configuration. |
| US11071063B2 |
Apparatuses, methods, and computer-readable medium for communication in a wireless local area network
Various aspects pertaining to apparatuses, methods, and computer-readable medium are described herein. Some aspects pertain to wireless communication between various apparatuses, such as an access point (AP) and a station (STA). The AP may have a radio, and the STA may have a first radio and a second radio. The radios may have various power states. Some aspects pertain to negotiation of various communication parameters. Some aspects pertain to communication of a packet and execution of various related operations. Some aspects pertain to certain uplink (UL) and/or downlink (DL) communications. Some aspects pertain to termination or teardown of the negotiated parameters. The written description and appended drawings provide detailed descriptions regarding these and many other aspects. |
| US11071061B2 |
Communication system, gateway, terminal and communication method based on LoRa technology
A communication system, gateway, terminal, and communication method based on LoRa technology are provided. The system includes: a gateway configured to transmit an LoRa data packet containing a preamble, wherein duration of the transmission of the preamble is n1; and a terminal configured to perform channel activity detection one time for a duration of q1 each time after sleeping for a duration of p1, continue to sleep for the duration of p1 in response to the preamble not being detected, or receive and process the data packet and then continue to sleep for the duration of p1 in response to the preamble being detected, wherein p1>q1, and p1+q1 is less than or equal to n1. |
| US11071056B2 |
Apparatus, method, and system for cell selection
The present disclosure relates to apparatus, methods, and systems for cell selection. One example method includes measuring a received signal communication parameter value of a first cell, determining whether the communication parameter value is greater than a first threshold, if the communication parameter value is less than or equal to the first threshold, obtaining a second threshold, determining whether the communication parameter value is greater than the second threshold, and if the communication parameter value is greater than the second threshold, setting the first cell as a serving cell of a terminal device. |
| US11071053B2 |
System information transmission method and base station, and system information reception method and user equipment
A core network to which a cell of a base station can be connected may not be specified to be one. For example, a cell may be connected to an EPC, may be connected to a next-generation core network, or may be connected to both an EPC and a next-generation core network. The base station may transmit core network information relating to a core network to which the cell is connected, on the cell. A user equipment may determine whether to camp on the cell on the basis of the core network information. |
| US11071051B1 |
Systems and methods for SCEF-assisted MEC traffic breakout
Systems and methods provide a Multi-access Edge Computing (MEC) traffic breakout service to access an edge network. A network device receives reachability information for a user equipment (UE) device and sends, in response to receiving the reachability information, a reachability notification to a MEC orchestrator for the edge network. The network device receives, from the MEC orchestrator, a local breakout request that identifies a traffic flow authorized to receive local service from the edge network. The network device generates instructions for a gateway device to apply local breakout service, for the traffic flow, to a local MEC application in the edge network and sends the instructions to an anchoring gateway device for the traffic flow. |
| US11071049B2 |
Power-efficient passive discovery by network devices
Disclosed are techniques to minimize the electricity consumption of battery powered devices during network discovery and other phases of network operation. Example techniques include efficiently listening for other mains powered and battery powered devices within communication range of the battery powered device by, for example, shortening its listening window depending on how close the time reference maintained by the battery powered device is estimated to be to the time reference used by the other mains powered and battery powered devices within communication range. Other techniques include slowing the rate of listening by the battery powered device when the battery powered device is unlikely to be able to receive discovery messages or is already connected to the network. Other techniques include using knowledge of the network to listen for discovery messages on a channel or channels on which other devices are likely to be transmitting. |
| US11071046B2 |
Method for facilitating network identification, access node, method for network identification and user equipment
A method for facilitating network identification is provided. The method at an access node of a first network, comprises: detecting a physical-layer-related identity of each of one or more neighboring access nodes; decoding, for each of the one or more neighboring access nodes, a network identity of the neighboring access node; for each of the one or more neighboring access nodes: determining whether the neighboring access node belongs to the first network or a different network; and determining an identity group in which the detected physical-layer-related identity of the neighboring access node is included; and selecting, as a physical-layer-related identity of the access node, a physical-layer-related identity from an identity group other than any identity group in which a physical-layer-related identity of a neighboring access node belonging to a different network is included. |
| US11071045B2 |
Electronic device, communication method of electronic device, and communication method of mobile terminal
A communication method of an electronic device may comprise: a step of wirelessly outputting an advertisement signal at predetermined time intervals when power is supplied; a step of acquiring access information of an access repeater from an external device while outputting the advertisement signal; a step of stopping the output of the advertisement signal and accessing the access repeater on the basis of the access information of the access repeater when the access information of the access repeater is acquired; and a step of stopping the output of the advertisement signal if an elapsed time after the power is supplied is greater than a predetermined reference time. |
| US11071044B2 |
Mobile telecommunications system entity for transmitting system information in a 5G network
A mobile telecommunications system entity for a mobile telecommunications system has at least one entity, which serves at least one user equipment. The mobile telecommunications system entity has circuitry which is configured to transmit scheduling information for on-demand system information, which can be requested by the at least one user equipment. |
| US11071041B1 |
Establishing domains of authority for routing table updates between routing devices in a fifth generation (5G) or other next generation network
The technologies described herein are generally directed toward establishing a domain of authority for routing table updates from a routing device. According to an embodiment, a system can comprise a processor and a memory that can enable operations facilitating performance of operations including identifying a route update that comprises information about a network. According to the embodiment, the operations can further include communicating, via the network, the route update to a second routing device for propagation of the route update to routing devices in a first authority domain with the first routing device. |
| US11071040B2 |
D2D communication method and D2D device
Embodiments of the present invention provide a D2D communication method and a D2D device. The method comprises: a first terminal device determines information to be forwarded, the information to be forwarded comprising target information and forwarding condition information; and the first terminal device sends the information to be forwarded, such that when receiving the information to be forwarded, a second terminal device determines, according to the forwarding condition information, whether to forward the information to be forwarded. In this way, congestion caused by a large amount of information forwarding is avoided by filtering terminal devices available for information forwarding and enabling a terminal device meeting particular conditions to forward information to be forwarded, thereby avoiding congestion caused by forwarding of a large amount of information. |
| US11071039B2 |
Techniques for generating a routing table for a mesh network having ad hoc connections
Examples may include a management authority for a software-define network (SDN) receiving telemetric data from wireless devices coupled together in a mesh network having one or more ad hoc connections between the wireless devices. The management authority may then generate a routing table based on the received telemetric data and provide a routing table for use by the wireless devices to route data within the mesh network or route data to a network coupled to the mesh network. |
| US11071038B2 |
Method and system for multi-hop path selection for mobile robots based on cloud platform
This disclosure relates generally to a method and system for multi-hop path selection for mobile robots based on cloud platform providing an optimal path for end-to-end communication in the multi-hop network. Multi-hop path selection for mobile robots, conventionally performed at mobile robot end, may not provide an optimal path as mobile robots are unaware of the global scenario of the multi-hop network. Further, computation at mobile robot end is not an energy efficient solution. The disclosed cloud system communicates the optimal path to the source mobile robot to reach the destination mobile robot through the plurality of Access Points (APs). Multi-hop path selection for mobile robots, currently performed at mobile robot end, may not provide an optimal path as mobile robots are unaware of the global scenario of the multi-hop network. The optimal path computed at cloud system increases the life-time of robotics network there by increasing the efficiency. |
| US11071037B2 |
Method and apparatus for directing wireless resources in a communication network
Aspects of the subject disclosure may include, for example, accessing first information for a first wireless access device associated with a first wireless access network in first communication with a portable communication device and accessing second information for a second wireless access device associated with a second wireless access network. A determination is made according to the first information and the second information, to facilitate second communication between the portable communication device and the second wireless access network via the second wireless access device. A first portion of a first geographic area associated with the second wireless access device is covered via a directional capability responsive to a determination to facilitate the second communication between the portable communication device and the second wireless access network. The directional capability facilitates the second communication between the portable communication device and the second wireless access device. Other embodiments are disclosed. |
| US11071033B2 |
Handover apparatus and method for avoiding in-device coexistence interference
The present disclosure relates to a handover apparatus and method capable of voiding in-device coexistence interference. In order to prevent handover failure due to in-device coexistence interference, an SeNB provides TDM information (including TDM pattern s information or TDM activation information) to a UE during a handover procedure, and the UE performs the handover with a TeNB according to the provided TDM information. By the disclosure, the UE can perform ISM signal transmission/reception and LTE signal transmission/reception with the TeNB in a discriminated manner according to a particular TDM pattern, so as to prevent handover failure due to the in-UE coexistence interference. |
| US11071031B2 |
Methods, apparatus, and systems using enhanced dedicated core network (DCN) selection
Methods, apparatus and systems using Enhanced Dedicated Core Network (DCN) selection are disclosed. One representative method includes receiving, by the core network entity from another core network entity, information indicating that a DCN type is new or has change for a wireless transmit/receive unit (WTRU); and sending a message, by the core network entity to the WTRU, including a new or a changed DCN type. |
| US11071029B2 |
Communication device, non-transitory computer-readable recording medium storing computer-readable instructions for terminal device, and method performed by communication device
A communication device may establish a second wireless connection with an external device in a case where a first wireless connection is established with the external device, determine whether a predetermined signal is received from the external device, and determine a preservation time according to the determination. The preservation time may be a time for preserving a state of the communication device in a parent station state after the second wireless connection has been disconnected. In a case where it is determined that the predetermined signal is received, one of a first preservation time and a second preservation time which is longer than the first preservation time may be determined as the preservation time, and in a case where it is determined that the predetermined signal is not received, the other of the first preservation time and the second preservation time may be determined as the preservation time. |
| US11071023B2 |
Wireless device and methods therein for handling cell selection and/or reselection
A method by a wireless device (130) is described herein. The device (130), having determined that a measurement of a signal from a cell (121) is below a threshold, determines (301) that at least one of: i) a length of time since the device (130) last performed cell selection or reselection is above a second threshold, and ii) a number of times that neighbor cell measurements failed to trigger cell reselection is above a third threshold. Based on the determination, the device (130) resets (302) a strongest signal value of the signal measured after a last cell selection or reselection, to a lower value. The wireless device (130) determines (303) whether or not to measure another cell (122), based on whether or not a difference between: a) the reset value and b) a current measurement of the signal, is above a fourth threshold. The wireless device (130) then initiates (304) measuring the other cell (122) based on the determination. |
| US11071022B2 |
Communication system
A communication system is described in which user plane communication and control plane communication for a particular mobile communication device can be split between a base station that operates a small cell and a macro base station. Appropriate security for the user plane and control plane communications is safeguarded by ensuring that each base station is able to obtain or derive the correct security parameters for protecting the user plane or control plane communication for which it is responsible. |
| US11071014B2 |
Method and device for transmitting data
A method and a device for receiving transmitting data in in a wireless local area network are provided. The device supports a multiple basic service set and receives and sends physical protocol data units (PPDU's). The PPDU's includes an identifier used to assist the device in identifying a basic service set. |
| US11071006B1 |
Method and apparatus for requesting sidelink transmission resources in a wireless communication system
A method and apparatus are disclosed from the perspective of a first User Equipment (UE) to request dedicated sidelink configuration. In one embodiment, the method includes the first UE transmitting a first Radio Resource Control (RRC) message to a network node, wherein the first RRC message includes a sidelink Quality of Service (QoS) information, and wherein a presence of an identity of a sidelink QoS flow in the sidelink QoS information is mandatory and a presence of a QoS profile of the sidelink QoS flow in the sidelink QoS information is optional. The method also includes the first UE receiving a second RRC message from the network node, wherein the second RRC message includes a dedicated sidelink configuration and the identity of the sidelink QoS flow associated with the dedicated sidelink configuration. |
| US11071003B2 |
Methods and systems for control of wireless connections between host and client devices
Methods and systems are provided for wirelessly communicating between a host device and a client device in a radio frequency (RF) environment. In one embodiment, a wireless communication method for a host device in a RF environment may comprise: communicating wirelessly between the host device and a client device by way of a first RF channel; continuously scanning available RF channels of the RF environment; and in response to a first RF channel signal quality decreasing below a threshold signal quality, selecting one of the available RF channels having a signal quality greater than the threshold signal quality, and switching wireless communication between the client device and the host device from the first RF channel to the selected available RF channel. In this way, reducing interference with the RF environment while lowering a risk of disrupting the wireless communication between the host device and the client device can be achieved. |
| US11070998B2 |
Apparatus and method for a mobile telecommunications system
An apparatus comprising circuitry configured to receive or transmit a radio link failure report, the radio link failure report comprising beam specific information. |
| US11070994B2 |
Channel tracking in a wireless home network
A wireless access point (WAP) configured to supporting wireless communications with station nodes on a selected communication channel of an associated wireless local area network (WLAN). The WAP includes multiple multiple-input multiple-output (MIMO) transmit and receive paths. The WAP is to intermittently switch one of the multiple MIMO receive paths to concurrently process both communications on a selected communication channel together with monitoring communications on unselected channels of the multiple communication channels associated with the WLAN. |
| US11070981B2 |
Information protection to detect fake base stations
Methods, systems, and devices for wireless communications are described. In some systems, devices may use information protection to detect fake base stations. A base station verified by a network may transmit first information to a user equipment (UE) in an unprotected message. If a fake base station intercepts and modifies the message before relaying the message to the UE, the UE may receive different information than the transmitted first information. The UE may then transmit an indication of the received information to the verified base station in a protected message. In some cases, based on the indication, the verified base station may re-transmit the first information to the UE in a message protected against modification by the fake base station. If the UE determines that the initially received information is different from the information received in the protected retransmission, the UE identifies message modification by the fake base station. |
| US11070977B2 |
Data transmission method, data transmitter, data receiver, and system
The present application discloses example methods and systems. In one example method, sound wave information associated with a data transmission is monitored within a predetermined distance from the client device, where the sound wave information including predetermined security information. In response to detecting sound wave information associated with a data transmission, the sound wave information is parsed to obtain the predetermined security information included in the detected sound wave information. Pattern information is generated based on the predetermined security information and data information to be sent. The generated pattern information is then displayed so that a second device can obtain the generated pattern information. |
| US11070976B2 |
Operation of control protocol data units in packet data convergence protocol
A method and apparatus reports packet data control protocol (PDCP) status and PDCP resets in a wireless communication, using control PDUs that may have security protection applied by ciphering of the control PDUs. Reliability of the PDCP status and reset messages may be assured by acknowledgement according to an acknowledged mode or to an unacknowledged mode. |
| US11070975B2 |
Method and device for transmitting encrypted data, method and device for extracting data
A method for transmitting, by a transmitter, a packet to a receiver of a communication system. The packet including data encrypted according to a symmetric key encryption protocol by determining the value of a generation information and determining an encryption key according to the value of the generation information. The data to be included in the encrypted packet to be transmitted is encrypted according to the encryption key. A truncated information is calculated based on the generation information. A verification code for the encrypted packet is calculated according to the encrypted data and the first portion of the generation information. The encrypted packet to be transmitted is formed according to the truncated information, the verification code and the encrypted data. |
| US11070974B2 |
Efficient user plane function selection with S10 roaming
A solution for selecting an optimal user Plane entity (with Control and User Plane Separation (CUPS)) per UE during seamless roaming. In one embodiment, a method is provide that is performed by a control plane entity in a mobile core network that supports inter public land mobile network (PLMN) roaming among two or more PLMNs. The method includes obtaining a create session request from an entity in a second PLMN to which a user equipment has roamed from a first PLMN; selecting a particular user plane entity among a plurality of user plane entities based on one or more user equipment related parameters; and establishing a session with the particular user plane entity to serve user plane traffic in the mobile core network for the user equipment. |
| US11070972B2 |
UE capability constraint indications for high order modulation
Methods, systems, and devices for wireless communications are described that provide for a user equipment (UE) capability indication that indicates one or more constraints associated with a supported modulation order. In some cases, the UE capability indication may indicate that the UE supports a particular modulation order, but has a capacity constraint such that an associated data rate is limited to a data rate associated with a lower modulation order. In some cases, one or more frequency bands may be mapped to a UE constraint. |
| US11070970B2 |
Apparatus and method for providing universal plug and play service based on Wi-Fi direct connection in portable terminal
An apparatus and method for improving performance of a service based on Wi-Fi direct connection by verifying URI information for controlling a P2P client in a device discovery process of a MAC layer when providing a UPnP service function based on the Wi-Fi direct connection is provided. The apparatus includes a message sending unit for sending a device discovery request, a message receiving unit for receiving a response message, including URI information of a P2P client, for the device discovery request, a message analyzing unit for acquiring the URI information included in the response message, and a service controller for performing a UPnP service function based on the Wi-Fi direct connection using the acquired URI information when connecting with the P2P client, wherein the device discovery request is a device discovery request of a Wi-Fi MAC layer. |
| US11070965B2 |
Method and system for linking devices
A method of linking a first device to a second device, the first device comprising a wireless communication means having a unique address associated therewith, the first device further comprising a display arranged to display a set of indicators, one of the first device or the second device having a unique identity stored thereon, the method comprising: broadcasting, from the first device, the unique address; determining, by the first device, whether one or more indicators from the set of indicators correspond to at least a portion of the unique address based on a first mapping displaying the corresponding one or more indicators; if an input selects at least one indicator from the set of indicators, determining whether the selected at least one indicator corresponds to the portion of the unique address based on a second mapping; and transmitting the unique identity between the devices. |
| US11070964B2 |
Systems and methods for radio access interfaces
Systems and methods for radio access interfaces in accordance with embodiments of the invention are disclosed. In one embodiments, a vehicle telematics device includes a processor, a communications device, and a memory, wherein the vehicle telematics device communicates with a mobile communications device using the communications device, wherein the mobile communications device is in communication with a remote server system via a mobile network connection, and wherein the vehicle telematics device provides data to the mobile communications device, where the data is to be transmitted to the remote server system, provides command data to the mobile communications device, where the command data instructs the mobile communication device to transmit the data to the remote server system using at least one communication protocol, and causes the mobile communications device to transmit the data to the remote server system using the at least one communication protocol based on the command data. |
| US11070960B2 |
Communication device
A communication device mounted on a vehicle includes a plurality of communication units that are different in width of a communicable range, a determination unit that determines a running state of a vehicle, a selection unit that selects at least one of the plurality of communication units according to a determination result from the determination unit, and a stop unit that stops operation of the communication unit selected by the selection unit. |
| US11070959B2 |
Functions and method for handling a credit pool of service units
The embodiments herein relate to a method performed by a Control Plane (CP) function (401) for handling a credit pool comprising granted service units to be used by multiple services. The multiple services are grouped in at least one first Rating Group (RG). The CP function (401) creates an individual Usage Reporting Rule (URR) for each of the at least one first RG. Each individual URR comprises a first credit pool threshold. The CP function provides the individual URRs to a User Plane (UP) function (405). The CP function (401) creates a Usage Reporting Rule for the Credit Pool (URR CRPL). The URR CRPL comprises instructions to the UP function (405) to aggregate service unit usage for all individual URRs for all first RGs. The URR CRPL further comprises the first credit pool threshold. The CP function (401) provides the URR CRPL to the UP function (405). |
| US11070958B2 |
Managing wearable device friendships without exchanging personal information
Systems, methods and articles of manufacture for performing an operation comprising receiving, by a first wearable device, input specifying to establish a relationship with a second wearable device within a predefined distance of the first wearable device, receiving, by the first wearable device from the second wearable device via wireless data transmissions, an identifier of the second wearable device, a tile identifier of a tile communicably coupled to a tile interface of the second wearable device, and a state associated with the tile; and storing, in a first entry of a data structure of the first wearable device, an indication of the relationship with the second wearable device, wherein the indication comprises the identifier of the second wearable device, the tile identifier, and the state associated with the tile. |
| US11070957B2 |
System for routing text messages (SMS) to allow for two-way mobile to computer communication
A process and system allowing mobile users to initiate a two-way text message (SMS) conversation with a subscriber's computer. The steps consist of using a mobile user's mobile device to send a SMS containing a keyword and short code to a Short Message Service Center (SMSC), receiving an SMS reply containing an Individual Identification Code Numbers (IICN) which establishes two-way SMS communication between mobile user and business/subscriber. The invention further establishes IICN network which allows businesses to create-a SMS network, previously only available with voice phone networks, providing the Mobile User with the options of auto SMS replay, SMS conversation transfer, or interactive two-way SMS communication with a live SMS operator. |
| US11070952B2 |
Methods of alerting mobile-network subscribers using automated messaging-channel selection, and software therefor
An alert system, for alerting target subscribers, that automatically selects which of one or more messaging channels the alert system will use to send alert messages to the target subscribers. In some embodiments for cellular communication networks, an alert system of the present disclosure automatically selects between one or more broadcast messaging channels and one or more point-to-point messaging channels. In some embodiments, the automatic selection of the messaging channel attempts to maximize the number of target subscribers alerted in a predetermined alert-dissemination time. In some embodiments, an alert system of the present disclosure includes one or more user interfaces that allow a user to establish messaging parameters, including various categories of target subscribers to include as desired recipients of the alert message(s). Various methods for implementing one or more aspects of any of the alert systems of the present disclosure are also disclosed. |
| US11070947B2 |
Distributed wireless network assisted object location
A server may receive a request from a remote device to wirelessly locate an object that includes a wireless identification device. The server may also instruct one or more wireless-search enabled devices, comprising a predefined requestor network of devices, to attempt to locate the object. The server may further receive responses from the one or more devices in the network reporting results of attempts to locate the object and notify the remote device of at least one result. |
| US11070944B2 |
Method for requesting transportation services
A method for safely and efficiently requesting transportation services through the use of mobile communications devices capable of geographic location is described. Individual and package transportation may be provided. New customers may be efficiently serviced, and the requester and transportation provider locations may be viewed in real time on the mobile devices. |
| US11070943B2 |
Systems and methods for identifying parties based on coordinating identifiers
Systems and methods for allowing separate parties to identify each other through the use of matching computer-coordinated identifiers are discussed. In some cases, the methods include using a processor of a computer system to identify a first computer device configured to provide a first perceptible identifier, using the processor to identify a second computer device that is configured to provide a second perceptible identifier, and using the processor to send the first perceptible identifier to the first computer device and the second perceptible identifier to the second computer device, wherein the first and second perceptible identifiers correspond with each other to provide a two-sided, computer-coordinated verification. In some cases, the described methods include modifying the first and second identifiers as the first and second computer devices come into proximity with each other. Other implementations are discussed. |
| US11070940B2 |
Geofenced mesh network communication
A mesh network includes a source node and non-source nodes. The source node generates geofenced message information defining a geofenced message for one or more non-source nodes within a geofence. The source node transmits the geofenced message information for reception by a non-source node within a communication range of the source node. The non-source node, responsive to receiving the geofenced message information, transmits the geofenced message information for reception by other non-source nodes within a communication range of the non-source node. Based on the location of the non-source node being within the geofence, the non-source node presents the geofenced message. Based on the location of the non-source node being within the geofence, the non-source node does not presents the geofenced message. |
| US11070938B2 |
Geo-location fences-based transient messages
Provided are a computer-implemented method and system for providing and accessing electronic messages, where message distribution is based on geo-coordinates, device proximity, time of day, and user interaction. |
| US11070936B2 |
Location-based services
A method and system for effecting changes on a mobile device. The method includes determining a physical location of a point of interest. The method includes automatically generating a geofence proximate to the point of interest based on the determined physical location of the point of interest. The method includes detecting when the mobile device enters the geofence. The method includes tracking a current velocity of a mobile device. The method also includes effecting a change on the mobile device based on the current velocity of the mobile device within the geofence. |
| US11070931B2 |
Loudspeaker assembly and control
A speaker assembly is provided having a plurality of transducers disposed on a speaker body and configured to produce an audio beam being steerable based on at least one audio beam parameter. A light assembly is arranged on the speaker body and configured to produce a light output that varies based at least one audio beam parameter. The light output varies to provide a visual reference as the audio beam is steered. |
| US11070930B2 |
Generating personalized end user room-related transfer function (RRTF)
A personalized room related transfer function (RRTF) for sound bars and speakers within a specific room is generated without the need for photographs of the listener's head or microphones in a headphone apparatus. A smart device aids the listener in creating his own RRTF by enabling the listener to select a general RRTF model based on the specific sound bar setup (e.g., sound bar; sound bar+subwoofer; sound bar+rear speakers+height; etc.) from a set of general RRTFs downloaded locally or from the cloud. A test signal is played from a specific driver of the sound bar, and the listener identifies a location at which he would like the perceived sound to originate. If the driver location signal and desired location are not the same, the app adjusts parameters and replays the test signal until the driver signal and the desired location are the same. |
| US11070926B2 |
Hearing device for receiving location information from wireless network
A hearing device includes: a microphone for converting an audio input signal into a microphone output signal; a processing unit configured to provide a processed output signal based on the microphone output signal for compensating a hearing loss of a user; a receiver connected to the processing unit for converting the processed output signal into an audio output signal; and a wireless radio receiver unit connected to the processing unit for receiving information from a wireless network; wherein the processing unit is configured to determine a location of the wireless network based on the information received from the wireless network; wherein the processing unit is configured to determine a sound processing profile based on the determined location of the wireless network; and wherein the processing unit is configured to provide the processed output signal based on the determined sound processing profile. |
| US11070922B2 |
Method of operating a hearing aid system and a hearing aid system
A method (300) of operating a hearing aid system wherein the acoustical output signal intensity levels are confined to a range that primarily high-spontaneous rate auditory nerve fibres respond to, hereby providing sound processing that may benefit individuals with an auditory neurodegeneration, a computer-readable storage medium having computer-executable instructions, which when executed carries out the method, a hearing aid system (100, 200) adapted to carry out the method and a method of fitting a hearing aid system. |
| US11070920B2 |
Dual function transducer
A dual function transducer assembly comprising: a magnet motor assembly comprising a first magnet plate and a second magnet plate arranged in parallel to one another along a first axis; a sound output assembly coupled to the magnet motor assembly, the sound output assembly comprising a piston and a voice coil, and wherein the voice coil is arranged to cause a vibration of the piston in a direction parallel to the first axis; and a shaker assembly coupled to the magnet motor assembly, the shaker assembly comprising a first shaker coil and a second shaker coil arranged to cause a vibration of the magnet assembly in a direction parallel to a second axis that is perpendicular to the first axis. |
| US11070917B2 |
Un-tethered wireless audio system
A wireless speaker audio system configured to receive audio information wirelessly transmitted by an audio source including first and second wireless transceivers. The first wireless transceiver establishes a bidirectional secondary wireless link with the audio source for receiving and acknowledging receipt of the audio information. The first and second wireless transceivers communicate with each other via a primary wireless link. A wireless audio system including an audio source and first and second wireless transceivers. The first and second wireless transceivers communicate via a primary wireless link. The audio source communicates audio information to the first wireless transceiver via a secondary wireless link which is configured according to a standard wireless protocol. The first wireless transceiver is configured to acknowledge successful reception of audio information via the secondary wireless link. Other embodiments are also described and claimed. |
| US11070915B2 |
Vehicle and audio processing method for the same
A vehicle and an audio processing method for the same are provided to allow a sound level output through a speaker to be maintained at a preset sound level by adjusting a volume of a power amplifier to a constant value based on modulation information of a received broadcast signal. The audio processing method includes receiving a broadcast signal and obtaining modulation information of the broadcast signal and determining volume information of the broadcast signal based on the modulation information. A volume of a power amplifier is adjusted based on the determined volume information to adjust an output sound level of the broadcast signal to correspond to a preset output sound level. |
| US11070913B2 |
Millimeter wave sensor used to optimize performance of a beamforming microphone array
A beamforming microphone array is described herein, comprising: a plurality of microphones each of which is adapted to receive an acoustic audio signal and convert the same to a microphone (mic) audio signal; a wave sensor system adapted to determine locations of one or more people within a predetermined area about the beamforming microphone array and output the same as user location data signal; and an adaptive beamforming circuit adapted to receive the user location data signal and plurality of mic audio signals and perform adaptive beamforming on the plurality of mic audio signals that takes into account the received user location data signal to adapt a plurality of beam signals, one for each of the microphones, to acquire sound from one or more specific locations in the predetermined area; and a plurality of acoustic echo cancellation devices, one for each of the beam signal outputs from the adaptive beamforming circuit, wherein each of the plurality of acoustic echo cancellation devices is adapted to receive a respective beam signal from the adaptive beamforming circuit and perform acoustic echo cancellation on the received respective beam signal and output the echo-corrected beam signal. |
| US11070911B2 |
Personal sound zone system
An audio system for a vehicle including a plurality of personal sound zones, each personal sound zone comprising a plurality of microphones, an audio controller, and a plurality of speakers. The system is configured to allow the occupants of a vehicle to experience their own dedicated sound environment without the sound from one dedicated sound environment interfering with the sound from another dedicated sound environment. The system includes features for controlling the audio of each dedicated sound environment, including passing audio from one dedicated sound environment to another dedicated sound environment. |
| US11070910B2 |
Processing device and a processing method for voice communication
The present technique relates to a processing device and a processing method for realizing sound collection at a high S/N ratio, with noise influence being reduced not by a noise reduction process. In the processing device, a microphone that collects emitted speech voice is provided in a space that is substantially sealed off from outside and connects to an ear canal of the wearer (the speaker). With the microphone being located in the space sealed off from outside, emitted speech voice that propagates through the ear canal of the wearer is collected. In a sound collection signal obtained through the ear canal, the emitted speech voice component is dominant over the noise component particularly at low frequencies Further, an equalizing process for reducing muffled sound that is generated when sound is collected through the ear canal is performed on the sound collection signal. |
| US11070905B2 |
Self-cooling headset
In an example implementation, a self-cooling headset includes an ear cup to form an ear enclosure when placed over a user's ear. A first check valve on the ear cup is to open and release a volume of air from the ear enclosure when a positive pressure within the ear enclosure overcomes a cracking pressure of the first check valve. A second check valve on the ear cup is to open and admit a volume of air into the ear enclosure when a partial vacuum within the ear enclosure causes an external pressure to overcome a cracking pressure of the second check valve. |
| US11070900B2 |
Microphone
A microphone including a light emitting part can be miniaturized.The microphone includes: a microphone unit; an impedance converter that converts output impedance of the microphone unit; a light source that notifies an operation state of the microphone unit; a conversion substrate on which the impedance converter is mounted; a light source substrate on which the light source is mounted; and a connection substrate to which a signal line for transmitting a signal from the impedance converter and a power line for transmitting power to the light source are connected. The conversion substrate, the light source substrate, and the connection substrate are three-dimensionally connected to one another to constitute one substrate unit. |
| US11070892B2 |
Methods and apparatus to present supplemental media on a second screen
Methods and apparatus to present supplemental media on a second screen are disclosed. An example method includes establishing a connection between a digital media device and a computing device based on information identifying the computing device and, in response to establishing the connection, receiving, at the computing device, a first notification from the digital media device including a location of supplemental media; accessing the supplemental media; and in response to accessing the supplemental media, sending a second notification that the supplemental media has been accessed, the second notification to enable media skipping on the digital media device. |
| US11070891B1 |
Optimization of subtitles for video content
A subtitle management system is provided that analyzes and adjusts subtitles for video content to improve the experience of viewers. Subtitles may be optimized or otherwise adjusted to display in particular regions of the video content, to display in synchronization with audio presentation of the spoken dialogue represented by the subtitles, to display in particular colors, and the like. Subtitles that are permanently integrated into the video content may be identified and addressed. These and other adjustments may be applied to address any of a variety of subtitle issues and shortcomings with conventional methods of generating subtitles. |
| US11070888B1 |
Content structure aware multimedia streaming service for movies, TV shows and multimedia contents
Methods, apparatus and systems related to packaging a multimedia content for distribution are described. In one example aspect, a method includes receiving media files comprising video or audio data captured at a production stage and determining a hierarchical structure of the multimedia content based on production stage information of the multimedia content. The hierarchical structure indicates that the multimedia content comprises multiple scenes, each of which comprises multiple shots produced with corresponding devices and cast. The method also includes identifying characteristics associated with the individual scenes based on the production stage information, generating multiple copies of the multimedia content at different compression levels, and dividing each of the multiple copies of the multimedia content into segments based on the hierarchical structure. The compression levels and a length of a segment are adaptively adjusted based on the characteristics associated with the individual scenes. |
| US11070887B2 |
Video content deep diving
One or more computing devices, systems, and/or methods for displaying content associated with a video element of a video are provided. For example, a video may comprise video elements (e.g., pixels of frames of the video depicting an entity such as a car, an actor, a monument, etc.) that are tagged with content tags (e.g., a textual string such as a search query used to obtain content from content providers). When a user interacts with the video element (e.g., a touch gesture, such as a pressure sensitive gesture, on a video element depicting the actor), content associated with a content tag used to tag the video element may be retrieved (e.g., an image, a social network profile, search results, and/or other content associated with the actor). In this way, the content may be provided to the user for further action or learning about the entity depicted by the video element. |
| US11070879B2 |
Media content recommendation through chatbots
The present disclosure provides a method for recommending media content through intelligent automated chatting. A message is received from a user in a conversation with the user. A new topic is identified based on the message and context of the conversation. A media content is identified from a set of media contents based on the new topic. A recommendation of the media content is provided in the conversation. |
| US11070877B2 |
Systems and methods for conflict detection based on user preferences
Systems and methods for detecting a conflict between viewing selections of two users. In some aspects, the method comprises generating for display a first media asset on a user equipment device, receiving a second request from a second user to generate for display a second media asset on the user equipment device, determining a first priority and a second priority associated with the first user and the second user, and based on determining that a first scheduled time period of the first media asset and a second scheduled time period of the first media asset overlap and the first priority is higher than the second priority, generating for display on the user equipment device an indication of a conflict between the first request and the second request. |
| US11070871B2 |
Methods and apparatus to detect commercial advertisements associated with media presentations
Methods and apparatus to detect commercial advertisements associated with media presentations are disclosed. An example method involves receiving a video frame and detecting a change in box-formatting between the video frame and a subsequent video frame. A transition between the video frame and the subsequent video frame is indicated as a commercial advertisement transition based on the detected change in box-formatting. |
| US11070870B2 |
Method for displaying image and mobile robot implementing same
Disclosed herein are a method for displaying images and a robot implementing the same. The robot includes a communicator that communicates with a plurality of display devices in a space, and a controller selects a first display device, among the plurality of display devices, based on at least one of a location of a robot in the space, a situation of a user of the robot, the type of an image, and state information on the plurality of display devices, where the communicator transmits the image to the first display device and the transmitted image is executed on the first display device. |
| US11070869B2 |
Method for controlling Internet of Things devices with digital TV receivers using transmission from a broadcaster in a transport stream flow
Method to control IoT devices (e.g. smart lamps, smart air conditioner, etc.) through a smart DTV device. Main control is synchronized with the video scene of the transport stream (open/cable/satellite DTV channel) through data added by broadcaster. The broadcaster chooses the desired IoT devices that will be controlled by the channel and the effects that will be reproduced on all devices. The broadcaster can use some multiplexing tool to add the commands synchronized with the desirable video scene together with the other data present at TS flow. The broadcaster datacasts certain data to all home DTV appliances or receivers tuned to that channel. In the receiver side, this data is filtered, processed and transmitted to all IoT devices on the home network and, also paired with the TV receiver. |
| US11070862B2 |
System and method for dynamically providing personalized television shows
Aspects of the subject disclosure may include, for example, a method that includes obtaining, by a processing system including a processor, a user profile for a user of a media service, and selecting, in accordance with the user profile, program components for inclusion in a media program to be presented via the media service. The method also includes generating the media program using the selected program components, and presenting the media program at equipment of the user. The method also includes obtaining sensor data associated with the user, and determining a user engagement level during presentation of the media program, based on the sensor data. The method further includes adjusting at least one of the program components responsive to the user engagement level, thereby generating a modified media program for presentation to the user. Other embodiments are disclosed. |
| US11070860B2 |
Content delivery
Systems and methods are described that relate to delivering content to users. In one aspect, a primary client device and/or servers may communicate with secondary client devices to determine the identity of one or more users requesting content at the primary client device. Once the users and other attributes are identified, the primary client device may determine user characteristics which may be analyzed in conjunction with one or more spatiotemporal factors related to the content request. This analysis may lead to definition of a scene associated with the content request and to recommendation of content. |
| US11070857B2 |
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
The present invention provides a method of transmitting broadcast signals. The method includes, generating input packets including broadcast content data; generating a link layer packet by using the generated input packets, wherein the link layer packet includes a link layer header and a link layer payload including the generated input packets, wherein the link layer header includes a count field indicating number of the input packets included in the link layer payload, wherein the link layer header further includes a length part, wherein the length part includes a plurality of length fields as many as that the count field indicates, wherein each of the length fields indicates length of the each input packets included in the link layer payload; generating a broadcast signal including the generated link layer packet; and transmitting the broadcast signal. |
| US11070854B2 |
Broadcasting signal transmission device, broadcasting signal reception device, broadcasting signal transmission method, and broadcasting signal reception method
A method and device for processing a broadcast content are discussed. The method includes receiving a broadcast content of a broadcast service; displaying the broadcast content on a display screen; and detecting a first user input, in response to the first user input that is to display an ESG: displaying the ESG overlaid on the broadcast content being displayed on the display screen; determining whether information for controlling execution of an application, that is embedded in an audio component of the broadcast content, is received; and controlling the execution of the application based on the determination; or in response to the first user input that indicates a mute mode to mute sound of the broadcast content: determining whether information for controlling execution of the application, that is embedded in a video component of the broadcast content, is received; and controlling the execution of the application based on the determination. |
| US11070853B2 |
Interrupting presentation of content data to present additional content in response to reaching a timepoint relating to the content data and notifying a server
A portable device includes solid-state memory, an Ethernet and/or wireless network connection, and an HDMI. The portable device receives content guide data from a first server and displays a content guide on a display. In response to a user's selection of a content item, the portable device requests the content item over the Internet from a second server. The portable device receives the content item, stores the content item in solid-state memory, generates display signals that represent the content item, and sends the display signals to a display. The second server may match the content item with relevant advertisements based on keywords associated with the content item and the advertisements. The second server may send selected advertisement URLs to the portable device. Using the URLs, the portable device may obtain the advertisements over the Internet and cause the display to display the advertisements in conjunction with the content item. |
| US11070852B2 |
Method and system for remotely controlling consumer electronic devices
A media system replaces content in a first sequence of media content. The media system presents the first sequence of media content to an end-user and generates a fingerprint of the sequence of media content. The fingerprint is for comparison with a plurality of reference fingerprints so as to identify the first sequence of media content and determine a reference position within the first sequence of media content. The media system sends a request for a replacement sequence of content to a content replacement system, and receives replacement media content selected based on the identified first sequence of media content. The media system presents the replacement media content to the end-user instead of the first sequence of media content. Presenting the replacement media content begins at a position in the first sequence of media content that is determined based on the reference position. |
| US11070850B2 |
Cache eviction during off-peak transactions
Transaction activity of a cache maintaining content may be monitored to determine periods of transaction activity below a first threshold amount of transactions. A period of anticipated transaction activity above a second threshold amount of transactions may be determined. A period of anticipated transaction activity below the first threshold may be selected based upon the monitored periods of transaction activity below the first threshold and the determined period of anticipated transaction activity above the second threshold. Content then may be evicted from the cache during the selected period of anticipated transaction activity. |
| US11070849B2 |
Event production and distribution networks, systems, apparatuses, and methods related thereto
Live event production and distribution networks, systems, apparatuses and methods related thereto are described herein. The described innovations may be used not only to present live events to audiences, but to do so in a way that provides audience energy and feedback to the performer(s) (e.g., a band) in a manner akin to that which they receive during a traditional live performance, thereby energizing and motivating the performers to give the best live performance they can, even in the absence of a co-located live audience. Some or all of the audience members may be represented by a visual surrogate displayed on an audience feedback screen set up to be viewable by the performers. The screen may be sized to fill a curtain window of stage on which the performers are performing, and the performers may optionally interact with one or more people in the audience during the live performance. |
| US11070844B2 |
Method and apparatus for video encoding and/or decoding to prevent start code confusion
A method and a video processor for preventing start code confusion. The method includes aligning bytes of a slice header relating to slice data when the slice header is not byte aligned or inserting differential data at the end of the slice header before the slice data when the slice header is byte aligned, performing emulation prevention byte insertion on the slice header, and combine the slice header and the slice data after performing emulation prevention byte insertion. |
| US11070842B2 |
Video decoding method and apparatus and video encoding method and apparatus
In video encoding and decoding processes, in order to add a motion vector when the motion vector is insufficient in a motion vector prediction value candidate list of a current block, provided are method and apparatus for determining a base motion vector in a motion vector candidate list, determining the motion vector candidate list including an additional motion vector candidate determined based on the determined base motion vector and predetermined offset information, and determining a motion vector of the current block by using an additional motion vector candidate determined in the motion vector candidate list. |
| US11070838B2 |
Motion compensation at a finer precision than motion vector differential
Extra precision can be added to motion vectors, such as those obtained using advanced motion vector prediction or frame rate upconversion, to produce improved motion compensation. The increased precision from neighboring blocks are used to provide increased precision to a motion vector for a current block. In various embodiments, the derivation of the increased precision can be found through various methods. In other embodiments, refined motion vectors can be saved for use in subsequent predictions, and a rate distorion optimized selection can be performed for determining whether or not to use the refinement. |
| US11070834B2 |
Low-complexity method for generating synthetic reference frames in video coding
Presented herein are techniques for a low-complexity process of generating an artificial frame that can be used for prediction. At least a first reference frame and a second reference frame of a video signal are obtained. A synthetic reference frame is generated from the first reference frame and the second reference frame. Reference blocks from each of the first reference frame and the second reference frame are combined to derive an interpolated block of the synthetic reference frame. |
| US11070831B2 |
Method and device for processing video signal
The present invention relates to a method for decoding a bitstream for a video signal, and a device therefor, and relates to a device and a method in which, according to whether or not intra linear interpolation prediction is performed for the current block, a candidate mode list is formed on the basis of the intra prediction mode of the neighboring block of the current block, a candidate mode is determined, and, on the basis of same, intra LIP is carried out, thereby generating a prediction value for the current block. |
| US11070829B2 |
Reducing latency in wireless virtual and augmented reality systems
Systems, apparatuses, and methods for reducing latency for wireless virtual and augmented reality applications are disclosed. A virtual reality (VR) or augmented reality (AR) system includes a transmitter rendering, encoding, and sending video frames to a receiver coupled to a head-mounted display (HMD). In one scenario, rather than waiting until the entire frame is encoded before sending the frame to the receiver, the transmitter sends an encoded left-eye portion to the receiver while the right-eye portion is being encoded. In another scenario, the frame is partitioned into a plurality of slices, and each slice is encoded and then sent to the receiver while the next slice is being encoded. In a further scenario, each slice is being encoded while the next slice is being rendered. In a still further scenario, each slice is prepared for presentation by the receiver while the next slice is being decoded by the receiver. |
| US11070826B2 |
Constrained position dependent intra prediction combination (PDPC)
A second level intra prediction mode can be combined with one or more of sixty-seven JVET intra prediction modes during encoding of a coding unit in a video bitstream. Embodiments include making a position dependent intra prediction combination (PDPC) mode available as the second level intra prediction mode. In embodiments, when a PDPC (position dependent intra prediction combination) mode is enabled, the second level intra prediction is combined with one of the 67 selected intra predictor modes. In embodiments, the PDPC mode is only enabled or available for a predetermined subset of intra prediction modes (out of 67 possible modes), in order to reduce encoder complexity and potentially improve coding efficiency. The PDPC mode may be identifies as enabled or available by a list of modes or signaling in the video bitstream. |
| US11070824B2 |
Image processing device and method
The present disclosure relates to an image processing device and method that allow reduction in coding efficiency to be suppressed.A pixel value of a chroma component is predicted by linear prediction from a pixel value of a reference image of a luma component whose pixel location is changed by using a filter, and a prediction image of the chroma component is generated. A chroma component of encoded data in which an image is encoded is decoded by using the generated prediction image. The filter is selected on a basis of information regarding a pixel location of the chroma component and information regarding a color format. The present disclosure is applicable, for example, to an image processing device, an image encoding device, an image decoding device, or the like. |
| US11070823B2 |
DC coefficient signaling at small quantization step sizes
Described tools and techniques relate to signaling for DC coefficients at small quantization step sizes. The techniques and tools can be used in combination or independently. For example, a tool such as a video encoder or decoder processes a VLC that indicates a DC differential for a DC coefficient, a FLC that indicates a value refinement for the DC differential, and a third code that indicates the sign for the DC differential. Even with the small quantization step sizes, the tool uses a VLC table with DC differentials for DC coefficients above the small quantization step sizes. The FLCs for DC differentials have lengths that vary depending on quantization step size. |
| US11070821B2 |
Side information signaling for inter prediction with geometric partitioning
A method for processing a video includes performing a determination, by a processor, that a first video block is partitioned to include a first prediction portion that is non-rectangular and non-square; adding a first motion vector (MV) prediction candidate associated with the first prediction portion to a motion candidate list associated with the first video block, wherein the first MV prediction candidate is derived from a sub-block MV prediction candidate; and performing further processing of the first video block using the motion candidate list. |
| US11070820B2 |
Condition dependent inter prediction with geometric partitioning
A method for processing a video includes performing a determination, by a processor, that a first video block is partitioned to include a first prediction portion that is non-rectangular and non-square; adding a first motion vector (MV) prediction candidate associated with the first prediction portion to a motion candidate list associated with the first video block, wherein the first MV prediction candidate is derived from a sub-block MV prediction candidate; and performing further processing of the first video block using the motion candidate list. |
| US11070819B2 |
Method and apparatus of HEVC de-blocking filter
A method of de-blocking filtering a processed video is provided. The processed video includes a plurality of blocks and each block includes a plurality of sub-blocks. A current block of the plurality of blocks includes vertical edges and horizontal edges. The processed video further includes a set of control parameters and reconstructed pixels corresponding to the current block. A boundary strength index is estimated at the vertical edges and at the horizontal edges of the current block. The set of control parameters, the reconstructed pixels corresponding to the current block and partially filtered pixels corresponding to a set of adjacent sub-blocks are loaded. The vertical edges and the horizontal edges of the current block are filtered based on the boundary strength index and the set of control parameters such that a vertical edge of the current block is filtered before filtering at least one horizontal edge of the current block. |
| US11070816B2 |
Conversion of decoded block vector for intra picture block compensation
Methods, apparatuses, and non-transitory computer-readable mediums are provided. A coded video bitstream including a current picture is received. A determination is made as to whether a current block in a current coding tree unit (CTU) included in the current picture is coded in intra block copy (IBC) mode based on a flag included in the coded video bitstream. In response to the current block being determined as coded in IBC mode, a block vector that points to a first reference block of the current block is determined; an operation is performed on the block vector so that when the first reference block is not fully reconstructed or not within a valid search range of the current block, the block vector is modified to point to a second reference block that is in a fully reconstructed region and within the valid search range of the current block; and the current block is decoded based on the modified block vector. |
| US11070815B2 |
Method and apparatus of intra-inter prediction mode for video coding
Method and apparatus of video coding are disclosed. According to the method, a boundary region in the current block is determined. For each pixel in the boundary region, an Intra predictor and an Inter predictor care derived. An Intra-Inter predictor is generated by blending the Intra predictor and the Inter predictor. Pixels in the boundary region of the current block are encoded or decoded using the Intra-Inter predictor. For the remaining pixels in the current block not belonging to the boundary region, the pixels are encoded or decoded using the Inter predictor or the Intra predictor. In another method, the Intra-Inter prediction process is implemented by scaling the sum of the Intra weighting factor and the Inter weighting factor is scaled to a power-of-2 number to avoid the need for the division operation. In yet another method, the Intra-Inter prediction is applied depending on the current block size. |
| US11070808B2 |
Spatially adaptive quantization-aware deblocking filter
A spatially adaptive quantization-aware deblocking filter is used for encoding or decoding video or image frames. The deblocking filter receives a reconstructed frame produced based on dequantized and inverse transformed coefficients of a video frame or an image frame. The reconstructed frame is filtered according to adaptive quantization field data for the video or image frame. The adaptive quantization field data represents weights applied to quantization values used at different areas of the video or image frame. A number of blocking artifacts remaining within the resulting filtered frame is determined. The adaptive quantization field data is then adjusted based on that number of blocking artifacts. The filtered frame is then filtered according to the adjusted adaptive quantization field data. The resulting re-filtered frame is then output to an output source, such as for transmission, display, storage, or further processing. |
| US11070805B2 |
Cross-component coding order derivation
Method and apparatus for using block size restrictions in video decoding are described. In a representative aspect, a method for video decoding includes receiving a bitstream representation of video data including a block wherein the block comprises samples associated with a first component and second components, wherein samples associated with the first component of the block have a dimension M×N; and decoding the first component and the second components of the block; wherein decoding the first component of the block comprises, based on the dimension, decoding a plurality of sub-blocks for the first component of the block, and the plurality of the sub-blocks are generated by performing a splitting operation only on the samples associated with the first component of the block and not on the samples associated with the second components of the block. |
| US11070804B2 |
Video encoder, a video decoder and corresponding methods with improved block partitioning
The present disclosure provides an encoding apparatus and a decoding apparatus, as well as an encoding method and a decoding method. In particular, the present disclosure relates to block partitioning and signaling the partitioning parameters in a bitstream. An override flag in an image region header indicates whether or not a block is to be partitioned according to a first partition constraint information. The override flag is included in the bitstream and the block is partitioned accordingly. |
| US11070802B2 |
Moving image coding device, moving image decoding device, moving image coding/decoding system, moving image coding method and moving image decoding method
A frequency transformation determination unit determines whether a plurality of adjacent transformation target regions with the partition boundary interposed therebetween are integrated or not. A transformation coefficient generation unit generates, by applying one frequency transformation, a transformation coefficient for the transformation target regions where the frequency transformation determination unit determined to integrate. |
| US11070800B2 |
Video coding method and apparatus using any types of block partitioning
The present invention relates to a block partitioning structure in video coding technology, and a video encoding and decoding method and apparatus using the same, wherein the video encoding and decoding method includes the steps of: acquiring quad-partitioning information of a block; acquiring bi-partitioning information of the block when the acquired quad-partitioning information of the block does not indicate four partitions; acquiring partitioning direction information for bi-partitioning of the block when the acquired bi-partitioning information of the block indicates two partitions; acquiring information on whether to perform any other type of partitioning, when the acquired bi-partitioning information of the block does not indicate two partitions; and acquiring additional information required for the any other type of partitioning, when the acquired information on whether to perform any other type of partitioning indicates that the any other type of partitioning is performed. |
| US11070793B2 |
Machine vision system calibration
Disclosed herein are systems and methods for machine vision. A machine vision system includes a motion rendering device, a first image sensor, and a second image sensor. The machine visions system includes a processor configured to run a computer program stored in memory that is configured to determine a first transformation that allows mapping between the first coordinate system associated with the motion rendering device and the second coordinate system associated with the first image sensor, and to determine a second transformation that allows mapping between the first coordinate system associated with the motion rendering device and the third coordinate system associated with the second image sensor. |
| US11070791B2 |
Privacy display apparatus
A privacy display comprises a luminance-privacy arrangement and a contrast-privacy arrangement. In a privacy mode of operation, ambient light levels are detected and a visual security level is calculated. At and above a visual security level threshold the luminance-privacy arrangement is operable and below the threshold both the luminance-privacy and contrast-privacy arrangements are operable. Image quality for on-axis users is optimised and high levels of visual security are achieved for off-axis snoopers over a wide range of display illuminance conditions. |
| US11070790B1 |
Passive three-dimensional image sensing based on spatial filtering
Techniques are described for three-dimensional (3D) image sensing based on passive optical techniques and dynamic calibration. For example, light reflected from one or more objects in a scene is received via a lens of a novel 3D imaging system to forms an image of the object(s) on an image sensor through a spatial filter. A distribution of mask elements are associated with corresponding signal pixel sets of the image sensor, and reference elements of the spatial filter are associated with corresponding reference pixel sets of the image sensor; such that portions of the image tend to be shadowed by the mask elements at the signal pixel sets, but not at the reference pixel sets. Object distances for the one or more objects in the scene can be computed as a function of signal brightness detected by the signal pixel sets and reference brightness detected by the reference pixel sets. |
| US11070789B1 |
Switchable fringe pattern illuminator
A switchable fringe pattern illuminator includes an optical path switch configured to receive light and dynamically control an amount of light that is provided to a first waveguide and an amount of light that is provided to a second waveguide. A first projector configured to generate a first fringe pattern using light from the first waveguide. The first fringe pattern illuminates a first portion of a target area. A second projector configured to generate a second fringe pattern using light from the second waveguide. The second fringe pattern illuminates a second portion of a target area. The illuminator may be part of a depth camera assembly (DCA). The DCA is configured to capture images of a portion of the target area. The DCA is further configured to determine depth information for an object in the target area based in part on the captured images. |
| US11070783B2 |
3D system
A three dimensional system including rendering with variable displacement. |
| US11070782B2 |
Method of outputting three-dimensional image and electronic device performing the method
A method and apparatus for outputting a three-dimensional (3D) image are provided. To output a 3D image, a stereo image is generated based on viewpoints of a user and rendered into a 3D image. Since the stereo image is generated based on the viewpoints of the user, the user views a different side of an object appearing in the 3D image depending on a viewpoint of the user. |
| US11070777B2 |
Projection apparatus and operation method thereof
A projection apparatus and its operation method are provided. The projection apparatus includes a light-emitting device, a driving circuit coupled to the light-emitting device, and a control circuit receiving at least one video frame and analyzing color content of the at least one video frame. According to at least one control signal, the driving circuit drives the light-emitting device to generate a projected beam. The control circuit selects a highlight mode or a normal mode as a selected mode according to the color content and correspondingly sets at least one control signal to the driving circuit according to the selected mode. A brightness of the projected beam of the light-emitting device in the highlight mode is greater than that in the normal mode. |
| US11070776B2 |
Light source drive device, light source drive method, and display apparatus
Divided periods by dividing a frame of a video signal are produced. A display element is ON-OFF controlled on a pixel-by-pixel basis according to a video signal in accordance with the divided periods preassigned to each gradation. The light amount of a light source for emitting light to the display element is controlled so that a first light amount in a first divided period corresponding to the lowest gradation except black display becomes a light amount lower than a second light amount in a second divided period other than the first divided period. |
| US11070775B2 |
Light modulating device and electronic apparatus including the same
A light modulating device includes a metal layer, a variable resistance material layer above the metal layer and having a plurality of resistance states depending on a voltage applied thereto, and a meta surface layer above the variable resistance material layer and including a nano structure comprising a conductive material and having a sub-wavelength dimension. |
| US11070773B2 |
Systems and methods for creating full-color image in low light
Full-color images of low-light scenes are generated by the systems and methods described herein using only two light channels. An array of photosensitive pixels includes two sets of pixels, the first sensitive only to light associated with a first light channel, the second only to light associated with a second light channel. Thus the first set of pixels generate a first set of electrical signals in response to incident light within the first light channel, and the second set of pixels generate a second set of electrical signals in response to incident light within the second light channel. An image processor receives the first and second sets of electrical signals and generates a full-color image of the scene by processing only signals generated by the first and second sets of pixels. |
| US11070771B2 |
Active/inactive state detection method and apparatus
The present application discloses active/inactive state detection methods, where the method is performed by a monitoring and detecting system, and includes the following: monitoring a distance between an object and a target object within a distance detection range; when the distance between the object and the target object satisfies a first predetermined condition, sending a first instruction to an image acquisition system corresponding to the distance detection range, so as to activate the image acquisition system to obtain an image in an image acquisition area of the image acquisition system; and determining a state of the target object based on a recognition result obtained by performing object recognition on the image in the image acquisition area, where the state of the target object includes an active state and/or an inactive state. In the implementations of the present application, whether a predetermined object is active and/or inactive can be accurately determined, system power consumption can be effectively reduced, and application needs can be satisfied. |
| US11070766B2 |
Method and apparatus for reducing isolation in a home network
This invention disclosure relates to a community access television (CATV) signal distribution system which improves signal isolation issues for systems which are distributing both CATV signals and in-home entertainment (IHE) signals. The signal distribution system includes a signal input port, a first multi-port signal splitter and a second multi-port signal splitter. The first multi-port signal splitter is coupled to the signal input port through a first diplexer, and the second multi-port signal splitter is coupled to the signal input port through a second diplexer. In some embodiments the first diplexer high-pass node and the second diplexer high-pass node are coupled together. In some embodiment the signal distribution system includes a signal output port coupled to the signal input port through a third diplexer. The high-pass node of the third diplexer is coupled to the high-pass node of the first diplexer. |
| US11070765B2 |
Method and apparatus for in-camera night lapse video
A method and apparatus for night lapse video capture are disclosed. The apparatus includes an image sensor, an image processor, and a video encoder. The image sensor is configured to capture image data. The image data includes a first image that is temporally precedent to a second image. The image processor is configured to determine a motion estimation. The motion estimation is based on a comparison of a portion of the first image and a portion of the second image. The image processor is configured to subtract a mask from the second image to obtain a denoised image. The mask is based on the motion estimation. The video encoder is configured to receive the denoised image from the image processor. The video encoder is configured to encode the denoised image in a video format. The video encoder is configured to output a video file in the video format. |
| US11070763B2 |
Method and system for displaying images captured by a computing device including a visible light camera and a thermal camera
A system includes a processor and a memory storing program instructions. The instructions are executable by the processor to generate a first image file representing a thermal image and a second image file representing a visible light image. The instructions are executable to generate a first blended image based on the thermal image, the visible light image, and a display setting. Furthermore, the instructions are executable to display the first blended image on a display and to transmit, via a network interface to a server having an application for serving an image file generated by the processor, an image file upload. The image file upload includes: the first and second image files and a third image file representing the first blended image or the display setting for generating a second blended image based on the thermal and visible light images and the display setting. |
| US11070760B2 |
Solid-state imaging device and method of operating the same, and electronic apparatus and method of operating the same
A solid-state imaging device includes a plurality of pixels in a two-dimensional array. Each pixel includes a photoelectric conversion element that converts incident light into electric charge, and a charge holding element that receives the electric charge from the photoelectric conversion element, and transfers the electric charge to a corresponding floating diffusion. The charge holding element further includes a plurality of electrodes. |
| US11070754B1 |
Slew rate control circuit for an image sensor
In an embodiment, an image sensor includes: first and second voltage rails; first and second regulators configured to generate first and second regulated voltage at the first and second voltage rails, respectively; and a plurality of pixels coupled to the first and second voltage rails. Each pixel includes: first and second transistor coupled first and second storage capacitor, respectively. A third transistor is coupled between a control terminal of the first transistor and the first or second voltage rails. The third transistor is configured to limit a slew rate of current flowing between the control terminal of the second transistor and the first or second voltage rails to a first slew rate when the image sensor operates in global shutter mode, and to a second slew rate when the image sensor operates in rolling mode, the first slew rate being smaller than the second slew rate. |
| US11070750B2 |
Digitally enhanced microscopy for multiplexed histology
Disclosed herein are embodiments of imaging biological specimens. An imaging system can include a microscope for directly viewing the biological specimen and a multi-spectral imaging apparatus for outputting digitally enhanced images, near-video rate imaging, and/or videos of the specimen. An imaging system can include a digital scanner that digitally processes images to produce a composite image with enhanced color contrast of features of interest. |
| US11070749B2 |
Image processing method and apparatus
An image fusing method includes converting a first image into a first intermediate image, converting a second image into a second intermediate image including a plurality of components, fusing one of the plurality of components of the second intermediate image with the first intermediate image to obtain a fused component, and combining the fused component and other ones of the plurality of components of the second intermediate image to obtain a target image. |
| US11070744B2 |
Method for image processing based on multiple camera modules, electronic device, and storage medium
A method for image processing based on multiple camera modules, includes: when a first camera module is in a dominant shooting state currently and a target shooting subject within a view-finding area of the first camera module is not contained in an initial view-finding area of a second camera module, adjusting the view-finding area of the second camera module so that the adjusted view-finding area of the second camera module covers the target shooting subject, wherein a field angle of the second camera module is smaller than that of the first camera module; and fusing an auxiliary image acquired by the second camera module with a dominant image acquired by the first camera module. |
| US11070743B2 |
Photographing using night shot mode processing and user interface
In a night shot mode, a photo is captured and processed based on a plurality of frames. The plurality of frames are obtained based on a plurality of parameters including an exposure duration, a light sensitivity, and a number of frames. These parameters are determined based on factors, such as whether the electronic device is in a handheld state or not, and whether the current photographing scene is a dark scene or a light source scene. |
| US11070740B2 |
Camera device and IR light irradiating method
A camera device includes a first IR illuminator that is configured to irradiate a first irradiation range in a capturing area with first IR light, a second IR illuminator that is configured to irradiate a second irradiation range narrower than the first irradiation range in the capturing area with second IR light, and a controller that is configured to obtain a zoom magnification of the lens and controls the irradiation of the first IR light and the second IR light in a case where the zoom magnification is equal to a predetermined zoom magnification. The controller changes a supplied current of the first IR illuminator for the irradiation of the first IR light over a first predetermined time period, and changes a supplied current of the second IR illuminator for the irradiation of the second IR light over a second predetermined time period. |
| US11070736B2 |
Electronic device and image processing method thereof
An electronic device according to various embodiments of the present invention comprises a camera module and a processor, wherein the processor may: receive a signal related to photographing; acquire, in response to the signal, by taking a single photograph, a first image related to a first exposure time and a second image related to a second exposure time shorter than the first exposure time, through the camera module; compare at least one pixel included in the first image and at least one pixel included in the second image, which corresponds to the at least one pixel included in the first image; divide the at least one pixel included in the second image into a first group and a second group, on the basis of a result of the comparison; determine one of the first group and the second group; and process at least one pixel included in the determined group. In addition, various embodiments are possible. |
| US11070727B2 |
Imaging device, imaging method, and imaging program with continuous input and plurality of settings
An imaging device includes a control unit that performs setting for shooting in accordance with an input from a first input unit is which setting for a still image shooting mode and a plurality of frame rates at the time of moving image shooting can be continuously input. |
| US11070726B2 |
Adapter apparatus, camera system, control method, and storage medium
An interchangeable lens is connected to a camera body through an adapter apparatus. The adapter apparatus can communicate with the interchangeable lens through a plurality of communication methods and includes a communication unit configured to control the communication with the lens apparatus, and a setting unit configured to switch a communication setting in the adapter apparatus between a first setting and a second setting. The first setting is compliant with a first communication method as a communication method in an initial communication to be performed at a start-up of the interchangeable lens, and the second setting is compliant with a second communication method different from the first communication method. When the second setting is set as the communication setting, the adapter apparatus sets the first setting as the communication setting and transmits a signal for switching a power state to the interchangeable lens through the first communication method. |
| US11070723B2 |
Digital image capture device having a panorama mode
A hand-held digital camera has a touch-sensitive display screen (“touch screen”) for image preview and user control of the camera, and a user-selectable panorama mode. Upon entering panorama mode the camera superimposes upon the touch screen a horizontal rectangular bar whose width and/or height are user-adjustable by interaction with the touch screen to select a desired horizontal sweep angle. After the sweep angle is set the camera automatically captures successive horizontally overlapping images during a sweep of the device through the selected sweep angle. Subsequently the camera synthesises a panoramic image from the successively captured images, the panoramic image having a width corresponding to the selected sweep angle. |
| US11070718B2 |
Image stabilization systems and methods
Open-loop or feed-forward image stabilization systems and related techniques are provided to improve the accuracy and reliability of imaging systems. An open-loop or feed-forward image stabilization system includes a fast steering mirror assembly, an angular motion sensor, and a logic device. The fast steering mirror assembly adjusts a propagation direction of an optical path for an imaging system. The angular motion sensor is configured to measure and provide an angular motion of the imaging system. The logic device is configured to provide open-loop or feed-forward control for the fast steering mirror assembly by determining a compensating angular offset for the fast steering mirror assembly based, at least in part, on the received angular motion of the imaging system, and by controlling the fast steering mirror assembly to adjust the propagation direction of the optical path for the imaging system according to the determined compensating angular offset. |
| US11070715B2 |
Image shift amount calculation apparatus and method, image capturing apparatus, defocus amount calculation apparatus, and distance calculation apparatus
An image shift amount calculation apparatus comprises: an obtaining unit that obtains a pair of images having parallax; a generation unit that generates, from the pair of images, an image pair for each of a plurality of hierarchal levels having different resolutions; and a calculation unit calculates an image shift amount for an image pair in a predetermined first hierarchal level among the plurality of hierarchal levels, determines, on the basis of the image shift amount in the first hierarchal level, a second hierarchal level, among the plurality of hierarchal levels, where the calculation of the image shift amount is to end, and calculates an image shift amount of the image pair in the second hierarchal level using the image shift amount in the first hierarchal level. |
| US11070714B2 |
Information processing apparatus and information processing method
There is provided an information processing apparatus in which, on the basis of a pre-registered setting change position and/or pre-registered setting change time, a setting of the imaging apparatus is changed to a pre-registered setting associated with the setting change position and/or the setting change time. |
| US11070713B2 |
Network-controlled 3D video capture
Techniques are described for controlling the process of capturing three-dimensional (3D) video content. For example a controller can provide centralized control over the various components that participate in the capture, and processing, of the 3D video content. For example, the controller can establish connections with a number of components (e.g., running on other computing devices). The controller can receive state update messages from the components (e.g., comprising state change information, network address information, etc.). The controller can also broadcast messages to the components. For example, the controller can broadcast system state messages to the components where the system state messages comprise current state information of the components. The controller can also broadcast other types of messages, such as start messages that instruct the components to enter a start state. |
| US11070709B2 |
Aligning an image sensor relative to a lens module
A method for aligning an image sensor relative to a lens module, the method comprising the steps of: receiving a test image along a first optical path with the lens module and projecting the test image along a second optical path transverse to the first optical path with the lens module; manipulating an orientation of the lens module with respect to the image sensor to project the test image along the second optical path onto the image sensor; using the test image received by the image sensor along the second optical path to determine a corrected orientation of the lens module with respect to the image sensor, so as to align the lens module with respect to the image sensor; and thereafter fixing the aligned lens module to the image sensor. |
| US11070703B2 |
3D printer touchscreen interface lockout
A method for authenticating a user of a 3D printer to prevent unauthorized use of the 3D printer includes obtaining a user profile from a set of user profiles, each user profile corresponding to a user and including a stored multi-digit number; prompting the user, by a touch screen interface of the 3D printer, to input a personal identification number (PIN); preventing use of the 3D printer if the PIN does not match the stored multi-digit number; and authenticating the user if the PIN does match the stored multi-digit number. The method includes prompting the user to apply a force to the touch screen interface; detecting an applied force; comparing the applied force to a force threshold value; and preventing use of the 3D printer if the applied force is less than the force threshold value. |
| US11070700B2 |
Method of extracting watermark data in an image with reference to a noise-based image located in the image based on a comparison process performed in the frequency domain
Provided is a method of embedding and extracting watermark data that is robust against geometric distortion and low-quality photographing and for which the probability of successfully extracting watermark data for an original image is high, while the probability of successfully extracting the watermark data in the case of unauthorized copying is seriously impaired. The data embedding method according to an embodiment of the present invention comprises a step of converting the noise-based image using watermark data, and a step of adjusting the original image using the converted noise-based image. |
| US11070696B2 |
Information processing system
An information processing system includes a first information processing apparatus of a data migration source (first apparatus), a second information processing apparatus of a data migration destination (second apparatus), a server communicable with the first and second apparatuses via a network and a user terminal communicable with the first and second apparatuses by short range wireless communication and communicable with the server via the network. The first apparatus starts export of migrating data by communication with the user terminal and transmits the migrating data having data identification information to the server. The server stores the received migrating data. The second apparatus starts import of the migrating data by communication with the user terminal. The server reads out the migrating data on the basis of the data identification information and transmits the migrating data to the second apparatus. The second apparatus stores the received migrating data. |
| US11070692B2 |
Post-processing apparatus and image forming system
A post-processing apparatus includes a cutting device, one or both of an inclination detector and a side-edge detector, an inclination corrector and a hardware processor. The cutting device cuts a sheet along one or both of a feed direction in which the sheet is conveyed and a cross direction perpendicular to the feed direction. The inclination detector detects a front edge of the sheet in the feed direction at multiple positions in the cross direction. The side-edge detector detects a position of a side edge of the sheet in the cross direction. The inclination corrector performs an inclination correction operation of correcting an inclination of the sheet. The hardware processor causes the cutting device to cut the sheet after causing the inclination corrector to perform the inclination correction operation for an amount of the inclination based on the detection by the inclination detector or the detection by the side-edge detector. |
| US11070691B2 |
Appliance setting apparatus and non-transitory computer-readable recording medium storing appliance setting program
Provided is an appliance setting apparatus. If generating layout information indicating a layout of a screen of a client application program for providing, by an image forming apparatus, a function of a document processing flow execution system, when a flow execution button for executing a document processing flow is arranged in the layout, the appliance setting apparatus acquires a list of document processing flows from the document processing flow execution system, displays at least a part of the document processing flows included in the acquired list onto the display unit, associates the document processing flow selected via an operating unit from among the displayed workflows, with the flow execution button, and installs the generated layout information on the image forming apparatus. |
| US11070690B2 |
Image processing device and non-transitory computer readable medium
An image processing device includes a reception unit, an acquisition unit, and a setting unit. The reception unit receives image data that is not associated with language information. The acquisition unit acquires language information from a result of analysis of the image data received by the reception unit. The setting unit sets a language displayed on a display, based on the language information acquired by the acquisition unit. |
| US11070687B2 |
Image forming apparatus, control method thereof and storage medium
To make it unnecessary to repeat the same work in a case where a destination color is set for each of a plurality of adjustment-target colors within a printing-target image. A plurality of adjustment-target colors is set at a time for a printing-target image, a patch in a color having a desired tint is selected from among each similar color patch group for each adjustment-target color, and a destination color is determined, which is a conversion destination for each adjustment-target color. |
| US11070684B2 |
Retail photo order production and workflow management system and methods of use
Described herein is a multi-user retail photo kiosk system that includes multiple touch screen and Graphic User Interface (GUI) controlled consumer photo editing, photo print and product selection, and photo order placement terminals and multiple photo printers. The user photo kiosk terminals can receive images. Billing and payment is accomplished using barcoded receipts provided at the user terminal for payments for purchased photo products. A printer array incorporating various printers capable of producing prints or various sizes and formats can be configured as a horizontal counter or as a vertical tower and includes means to alert the user that their photo print order is complete. In addition, the system automatically notifies operators if equipment service, maintenance, media refilling, and/or post printing finishing procedures are required. |
| US11070682B2 |
Maintenance system, maintenance server, and maintenance method
A maintenance system includes a plurality of apparatuses and a maintenance server. Each apparatus: transmits log data indicating a state of the apparatus to the maintenance server; receives a prediction model from the maintenance server, the prediction model predicting the occurrence of an abnormal state of the plurality of apparatuses; determines whether the abnormal state of the apparatus occurs based on the prediction model to generate a determination result; and transmits the determination result indicating the occurrence of the abnormal state of the apparatus to the maintenance server. The maintenance server: generates the prediction model based on the log data received from each of the plurality of apparatuses; and issues an instruction of a maintenance work for one or more of the plurality of apparatuses that transmit the determination result. |
| US11070681B2 |
Platform for enabling sponsors to sponsor functions of a computing device
Systems, methods, and computer-readable media are described for sponsoring functions of computing devices associated with users. A sponsor may define a sponsorship that includes rules for sponsoring certain functions available to a user via a computing device. The execution of the functions may be facilitated, in some instances, by a service provider that may also specify rules and policies that control the functions. As such, when the user executes one or more of the sponsored functions by way of the computing device, instead of charging the associated cost to the user, the service provider may charge the cost to the sponsor based on the associated rules and policies. |
| US11070678B2 |
Establishing a telephony session
Measures are provided for use in establishing a telephony session between first and second telephony devices in a telephony network. Telephony network equipment in the telephony network receives, from the first telephony device over a signalling link, a telephony session establishment request. The telephony network equipment receives, from the first telephony device over a data link that is separate to the signalling link, a message comprising data useable by the telephony network equipment to identify the second telephony device. The telephony network equipment correlates the received telephony session establishment request and the received message. The telephony network equipment transmits, to the second telephony device, a telephony session establishment request on the basis of the correlating. The first telephony device is associated with a multi-persona user having a first persona associated with a first telephony identifier and a second persona associated with a second telephony identifier. |
| US11070677B1 |
Techniques for media call multiway relay escalation
Techniques to signal escalation of a peer-to-peer two-party media call to a multiway media call are described. An apparatus may comprise a communication client operative on caller and callee client devices. The communication client may comprise a user interface component to allow users of the device to initiate and take part in one-to-one and multiway calls; a network component operative to handle network communications between messaging servers and other client devices; a peer-to-peer media call component operative to perform peer-to-peer one-on-one media calls between client devices; a multiway media call component operative to join a multiway call at a multiway media relay system; and a media call management component operative to initiate the peer-to-peer media call, to detect a multiway media call escalation event and to transition the peer-to-peer media call to a multiway call session. Other embodiments are described and claimed. |
| US11070670B1 |
Platform for emergency event subscriptions
A data subscription system provides emergency event data to receiving systems. The data subscription system includes an event emitter and a distribution module. The event emitter receives event data describing an event in a computer-aided dispatch (CAD) system; the event is related to an emergency call. The event emitter identifies a subscription subscribed to the event based on a tenant identifier identifying a CAD tenant associated with the event, and adds a data message with the event data to a queue for the identified subscription. The distribution module retrieves the data message from the queue, transforms the data message based on one or more filtering or formatting rules, and transmits the transformed data message to a receiving system associated with the subscription. |
| US11070666B2 |
Methods and devices for improvements relating to voice quality estimation
This disclosure falls into the field of voice communication systems, more specifically it is related to the field of voice quality estimation in a packet based voice communication system. In particular the disclosure provides a method and device for reducing a prediction error of the voice quality estimation by considering the content of lost packets. Furthermore, this disclosure provides a method and device which uses a voice quality estimating algorithm to calculate the voice quality estimate based on an input which is switchable between a first and a second input mode. |
| US11070661B2 |
Restricting mobile device usage
Systems and methods are provided for selectively restricting a mobile device. In one implementation, a visual capture can be to identify one or more indicators within the visual capture. Based on the indicators, an implementation of a restriction at the mobile device can be adjusted. In another implementation inputs can be processed to compute a determination, determination reflecting at least one of the in-vehicle role of the user as a driver and the in-vehicle role of the user as a passenger; and, an operation state of the mobile device can be modified based on such a determination. According to another implementation, one or more outputs can be projected from a mobile device, inputs can be received, and such inputs and outputs can be processed to determine a correlation between them. A restriction can then be modified based on the correlation. |
| US11070660B2 |
Dating method
A system for facilitating dating amongst a community of persons includes a notification system by which members of the community can make their participation in the community apparent to other compatible members of the community when in physical proximity to one another. A recording system is provided by which each member of a community can, in respect of compatible members in the community to whom they have had proximity, make it known that a contact would be welcomed. A communication system is also provided which facilitates a communication between members of the community who have made it known to the recording system that they would each welcome contact with the other. |
| US11070657B2 |
Remote tuning and diagnostic interface for hands-free systems
Operating parameters of a hands-free audio system used with a wireless communication device in a moving vehicle are adjusted or tuned in real-time and requires only two persons: one to drive the vehicle and thus provide actual usage conditions with the hands-free audio system and one to remotely tune or adjust operating parameters to optimize far end audio quality. The system is remotely tuned by transmitting audio signals from the vehicle to the far end using a first communications link to the far end and sending adjustment commands to the vehicle from the far end via a second, data link between the far end and the vehicle. In one embodiment, DTMF signals received from inside or outside the vehicle can tune or be used to diagnose the hands-free system. Test measurements obtained from within and by the hands-free audio system can also be retrieved from a remote location. |
| US11070652B1 |
System and method for enhancing asset maps of physical assets in a deployment
An asset mapper for managing a deployment includes storage for storing a client oriented asset map of the deployment and a map manager. The map manager obtains a client oriented location request regarding the deployment for a client; in response to obtaining the client oriented location request: obtains the client oriented asset map of the deployment; modifies the client oriented asset map using a data source that describes at least a characteristic of a portion of the deployment to obtain an enhanced client oriented asset map; and performs an action set using the enhanced client oriented asset map to service the client oriented location request. |
| US11070644B1 |
Resource grouped architecture for profile switching
Techniques for improving profile switching and/or account switching using resource grouped architecture. For example, a system may group multiple applications and/or features together and associate them with a container that includes a set of resources shared between the features. Thus, all of the applications/features in a container may use the same set of resources, which enables the system to update the resources for multiple features at a time. In addition, the system may maintain multiple containers simultaneously, enabling the system to perform profile/account switching by moving an individual application/feature from a first container to a second container. Thus, this resource grouped architecture simplifies profile/account switching and enables additional functionality for care givers. For example, the system may associate some applications/features with a care giver profile/account and other applications/features with a care recipient profile/account, enabling the care giver to control both accounts without signing out. |
| US11070642B2 |
Call handling based on user profile identification
Technologies for handling a call based on user identification include determining a personal profile identification for a user of a communal mobile communication device and initiating a call to a personal communication device using a phone number of the personal communication device and the personal profile identification. The personal communication device may apply a call treatment to the incoming call based on the personal profile identification. Additionally, the personal communication device may originate a call to a call recipient of the communal mobile communication device using a personal profile identification to identify the call recipient. The communal mobile communication device may apply a call treatment to the incoming call based on the personal profile identification. |
| US11070625B2 |
Server connection capacity management
Dynamic management of concurrent client connections to a server is achieved by a server, in that the server monitors its load state and when the server's maximum permitted number of concurrent requests has been exceeded it reduces the clients' maximum numbers of permitted concurrent requests until such time as the overloading situation no longer persists. In this way, the capacity of each of multiple connections can be controlled by the server individually or as a group, wherein the control is dynamic, so that the client-server connections do not have to be accurately configured in advance. |
| US11070624B2 |
Hybrid wireless sensor network architecture for fluid delivery and distribution systems
The present disclosure describes a hybrid, wireless sensor network architecture for monitoring, operating, controlling, or maintaining a fluid delivery and distribution system. The architecture includes intelligent fittings locatable at almost any location within the system and that are configured with sensor modules to make measurements of characteristics of a fluid passing therethrough or of component parameters, and with wireless communication modules to wireless communicate the measurements. The intelligent fittings may be used, via strategic location, to convert unintelligent components of the system into intelligent components at a cost lower than that required to replace the unintelligent components with intelligent components. The intelligent fittings may also replace unintelligent fittings to provide supplemental data corresponding to fluid characteristics at desired locations of a fluid delivery and distribution system. The architecture further includes a digital twin of a hybrid, wireless sensor network that may downloaded to controllers for use. |
| US11070618B2 |
Techniques for updating files
The application is directed to techniques, devices, and systems for updating files. For example, a remote system may store first data representing a first version of a file and second data representing a second version of the file. The remote system may then determine that a first portion of the first data corresponds to a first portion of the second data. Based at least in part on the determination, the remote system may identify a second portion of the first data using the first portion of the first data and identify a second portion of the second data using the first portion of the second data. The remote system may then generate third data representing a difference between the second portion of the second data and the second portion of the first data. Additionally, the remote system may store the third data in association with the file. |
| US11070614B2 |
Load balancing method and related apparatus
A load balancing method is provided: A load balancer obtains an invalidation notification, where the invalidation notification includes an identifier of an invalid object on a target side, and the invalid object includes an invalid interaction node, an invalid session group on an interaction node, or an invalid session in a session group; the load balancer broadcasts the invalidation notification, where the invalidation notification is used to instruct an interaction node on a source side to delete recorded information about a load balancing protocol of the invalid object; and the load balancer reassigns an interaction node to an application interaction request when the load balancer receives the application interaction request sent by the interaction node on the source side and destination data in the application interaction request is empty. In this way, reliability of message exchanging is ensured when an interaction node is abnormal. |
| US11070612B2 |
System and method for providing data and application continuity in a computer system
A continuity system provides or maintains data and application continuity. According to an embodiment, the system comprises a communication interface for a client system, a network layer for receiving data from the client system, a hardware infrastructure for creating instances of the client system for replicating data, and an applications module for executing one or more applications on the replicated data. According to a further aspect, the system includes a portal interface configured for providing a remote user with control, audit and other functions associated with the user's system configuration. |
| US11070610B2 |
System and method for data transfer, including protocols for use in data transfer in a content management environment
Embodiments of a service based data transfer system are disclosed herein. Embodiments may of such a data transfer system may include a data transfer server providing a common data transfer interface such as a services interface that may be called by a client device to transfer data files to, or retrieve data files from a content management system. |
| US11070609B1 |
System and method for downloading a file
A method and system that performs file download at a client computing device after a determination that the file does not already exist on the client computing device is provided. The file download is initiated but suspended until a determination has been made that the file does not exist on the client computing device. If the file already exists (i.e., the file is a duplicate file), the user is prompted to either cancel the file download or continue the file download. However, if the file does not exist, the file download is resumed. |
| US11070608B2 |
Expedited sub-resource loading
Systems, methods, apparatus, and software for pre-fetching and/or pre-loading sub-resources used in rendering HTML files, web pages and the like are provided herein. Implementations include expedited sub-resource loading in which a cache node or other content delivery network component receives a first end user device request seeking a primary resource (e.g., an HTML file). Using information in the first request, the content delivery network pre-fetches one or more identified sub-resources (e.g., JavaScript code) required for rendering of the HTML file. Pre-fetched sub-resources are held by the cache node. During parsing of the HTML file by the end user device, a web browser or other application requires the sub-resource(s) and the end user device thus sends a second request to the cache node asking for the required sub-resource(s). The cache node sends the requested, pre-fetched sub-resource(s). |
| US11070602B1 |
Split streaming system and method
A split streaming system and method are provided in which a stream of data (that can be video, audio or textual data) is split and sent over a plurality of stream reflectors to a stream recipient. Each stream reflector performs time gradient replacement to manage the split streaming. |
| US11070601B2 |
Data rate adaptation for multicast delivery of streamed content
A client device (100) receives segments of streamed content in a multicast transmission mode. The client device (100) determines an input data rate associated with the receiving of the segments in the multicast transmission mode. Depending on the input data rate, the client device (100) sets an output data rate. In response to requests from a media player (140), the client device (100) outputs the received segments at the output data rate to the media player (140). |
| US11070600B1 |
Optimization techniques to support lagging readers at streaming data service
At a stream management service, one or more storage servers of a first repository are assigned to store at least a first partition of a first data stream. At the first repository, records of different partitions are interleaved. In response to determining that a set of data records of the first partition meet a first criterion, a rearranged version of the set in which the data records of the first partition are contiguous is stored at a second repository. Using the rearranged version, one or more records of the first partition are provided to an application which meets a lag criterion. |
| US11070595B1 |
Methods and apparatus for efficient load balancing among microservices and/or processing entities
The present invention is directed to communications methods and apparatus for efficiently distributing traffic to processing entities. An exemplary method includes the steps of: receiving, at a first Session Initiation Protocol (SIP) load balancer (SLB), a first SIP INVITE message; selecting, at the first SLB, which Session Border Controller (SBC) in a first cluster of SBCs to send the first SIP invite message based on a message allocation weight determined based on message loss information corresponding to different SBCs in the first cluster of SBCs, the selecting including allocating a portion of incoming received SIP INVITE messages to an individual SBC based on a message loss rate corresponding to the individual SBC and the message allocation rate, said selecting including selecting a first SBC from the first cluster of SBCs to send said first SIP INVITE message, and sending the first SIP INVITE message to the first SBC. |
| US11070589B2 |
Dynamic implementation of a security rule
A device may receive information identifying a set of conditions related to controlling implementation of a set of security rules. The set of conditions may be associated with a set of security actions that a device is to perform based on whether the set of conditions is satisfied. The device may determine the set of security rules that is to be controlled by the set of conditions using information related to the set of security rules. The device may modify information related to the set of security rules to cause the implementation of the set of security rules to be controlled by the set of conditions. The modification to cause the device to process the set of security rules to dynamically implement the set of security actions based on satisfaction of the set of conditions. The device may perform an action after modifying the information. |
| US11070588B2 |
Cognitive malicious activity identification and handling
Mechanisms are provided to implement a malicious activity response system (MARS) that automatically identifies and handles malicious activities within the data processing system. The MARS identifies threat intelligence associated with characteristics of malicious activity. The MARS forms a hypothesis for the malicious attack to identify a malicious attack that is occurring. The MARS identifies a trap for use in isolating the malicious activity; deploys the trap and automatically reconfiguring a network associated with the data processing system such that the malicious activity is routed to the trap thereby isolating the malicious activity, observes a behavior of the malicious activity within the trap; and extracts features associated with the malicious activity in the trap. The MARS then utilizes the extracted features to improve an operation of the malicious activity response system in handling future malicious activity. |
| US11070584B1 |
Graceful neutralization of industrial assett attack using cruise control
A procedure for neutralizing an attack on a control system of an industrial asset includes detecting an anomaly in a first sensor node associated with a first unit operating in a first operational mode, and receiving time series data associated with the first sensor node. A subset of the time series data is provided to each of a plurality of virtual sensor models A first virtual sensor model is selected from among a plurality of virtual sensor models based upon the subset of the time series data received by each of the plurality of virtual sensor models. A first confidence level of the first virtual sensor is determined. Responsive to determining that the first confidence level is below a first confidence level threshold, the first unit is transferred to a second operational mode using sensor readings associated with a second sensor node of a second unit of the industrial asset. |
| US11070582B1 |
Cloud-based cybersecurity portal with vulnerability data management
A cybersecurity assessment system is provided for monitoring, assessing, and addressing the cybersecurity status of a target network. The cybersecurity assessment system may scan the target network and produce data regarding the current state and properties of devices on the target network, events occurring on the target network, vulnerabilities detected in devices on the target network, and the like. The cybersecurity assessment system can analyze the scan data and determine a degree to which the current status of the target network satisfies a particular cybersecurity readiness standard, and how the status changes over time. The cybersecurity assessment system can also transform large amounts of vulnerability scan data into efficient representations for use in providing interactive presentations of the vulnerabilities detected on the target network. The cybersecurity assessment system can also provide information regarding cybersecurity events in substantially real time. |
| US11070579B1 |
Interactive display of a confidence-based graph of internet related assets
An inventory of Internet-facing assets related to a target domain is generated using network data gathered from network data sources. Using data sources of known threats, such as malware, phishing attempts, scam pages, blacklisted sites, and so on, a network analytic system generates analytical information about domains, sub-domains, and components that are owned, managed, and/or controlled by a target entity. A confidence score of ownership is generated based on a recursive rule engine. A visual representation of the inventory of Internet-facing assets is generated in a graphical user interface. |
| US11070575B2 |
Verifying accuracy of ML pipelines using third party co-ordination
Systems, methods, computer-readable media, and devices are disclosed for verifying traffic classification. At a first node, a classification to a received packet is designated according to a local model. The classification of the packet by the first node is verified by sending packet information describing the packet to a distributed network comprising multiple nodes, where the packet information includes attributes of the packet. The classification of the packet is verified from receiving results from a second node that, based on the attributes, independently classifies the packet. Based on the verified classification, decentralized information for classifying packets is updated. |
| US11070574B2 |
System and method for preventing security breaches in an internet of things (IoT) system
A system and method are described for preventing security breaches in an IoT system. For example, one embodiment of a system comprises: an Internet of Things (IoT) device comprising a wireless communication module to establish communication with a plurality of IoT hubs over local wireless communication channels; advertising control logic to transmit first advertising beacons to the plurality of IoT hubs of a user indicating that the IoT device is connectable; the advertising control logic to begin transmitting a second advertising beacon to IoT hubs indicating that the IoT device is not connectable if the IoT device establishes a connection with a first IoT hub, the IoT hubs other than the first IoT hub to report the not connectable status of the IoT device to an IoT service; and a connection security module of the IoT service to determine whether the IoT device is connected to any known IoT hub upon receiving the not connectable status from one or more of the IoT hubs; wherein if the connection security module cannot identify a known IoT hub to which the IoT device is connected, then an alert condition is generated. |
| US11070573B1 |
Process tree and tags
Information associated with a process is received. At least a portion of the received information is used to modify a Process Tree. Modifying the Process Tree includes at least one of: (1) adding a Tag to the Process Tree and (2) modifying a Tag in the Process Tree. An Alert is generated based at least in part in response to determining that a Strategy has been matched. |
| US11070571B2 |
Cloud-based gateway security scanning
Some embodiments of cloud-based gateway security scanning have been presented. In one embodiment, some data packets are received sequentially at a gateway device. The data packets constitute at least a part of a file being addressed to a client machine coupled to the gateway device. The gateway device forwards an identification of the file to a remote datacenter in parallel with forwarding the data packets to the client machine. The datacenter performs signature matching on the identification and returns a result of the signature matching to the gateway device. The gateway device determining whether to block the file from the client machine based on the result of the signature matching from the datacenter. |
| US11070566B2 |
System and method to secure renegotiation of connections between a baseboard management controller and a hosted agent
An information handling system includes a processor, a baseboard management controller (BMC) agent that establishes a Transport Layer Security (TLS) session including a first cryptographic parameter shared between the BMC and the BMC agent, receives a request to register the BMC agent with the BMC via the TLS session, and provides a second cryptographic parameter to the BMC agent. The BMC establishes a second TLS session including a third cryptographic parameter, determines that the second TLS session is suspected of being from a malicious agent, and renegotiates with the BMC agent using the second cryptographic parameter within the TLS session to share a fourth cryptographic parameter between the BMC and the first BMC agent in response to determining that the second TLS session is suspect. |
| US11070563B2 |
Trace-based transaction validation and commitment
One example embodiment may provide a system for trace-based transaction validation and commitment in a network. The system includes at least one endorser peer and at least one committer peer. The at least one endorser peer is configured to generate a binary trace during simulation of a transaction, resulting in an endorsed trace. The at least one committer peer is configured to validate the transaction by executing a smart contract and using the endorsed trace as a witness. |
| US11070559B2 |
System and method for supporting object-based security
In accordance with an embodiment, described herein is a system and method for supporting object-based security features for use with messaging services in an application server environment. Credentials can be associated with a JNDI initial context or a JMS connection instead of a thread. For JNDI operations, a lookup call from the initial context can use a security subject in an initial context regardless of a security subject attached to a current thread of the lookup call. For JMS operations, the object-based security model can be enabled on a JMS connection factory, which is used to create a JMS connection associated a security subject based on credentials supplied to create the JMS connection. The JMS connection performs a plurality of JMS operations on different threads using the security subject. The object-based security model is automatically enabled for JMS connection operations once the JMS is accessed using an OBS-enabled JNDI context. |
| US11070557B2 |
Delayed serving of protected content
Techniques are described for delayed serving of protected content. A request has been made by a client computing device for a requested resource comprising a first portion and a second portion that is initially withheld from the client computing device. First content comprising the first portion of the requested resource and reconnaissance code is served for execution on the client computing device. When executed at the client computing device, the reconnaissance code gathers data at the client computing device that indicates whether the client computing device is human-controlled or bot-controlled. The data gathered by the reconnaissance code is received. Based on the data, it is determined that the client computing device is not bot-controlled. In response to determining that the client computing device is not bot-controlled, the second portion of the requested resource is served to the client computing device. |
| US11070547B2 |
Electronic control device, a communication management method performable and a non-transitory storage medium configured to restrict predetermined communication in an in-vehicle network
An electronic control device, a communication management method performable, and a non-transitory storage medium storing a program are disclosed. The electronic control device is connected to an in-vehicle network and is configured to restrict predetermined communication in the in-vehicle network. The electronic control device includes a key connection unit configured to accept connection of a key device, a key verification unit configured to verify the key device connected to the key connection unit, and a function controller configured to permit the predetermined communication in the in-vehicle network when the verification of the key device using the key verification unit succeeds. |
| US11070545B2 |
Secure communication
There is provided a system comprising a first device of a user and a second device of a user, in which a user carries out a secure transaction utilising a user interface of the second device, wherein the secure transaction process sends a request to a user interface of the first device, and authorises or authenticates the transaction in dependence on a response to the request which is not transmitted from a user interface of the second device. |
| US11070539B2 |
Network security dynamic access control and policy enforcement
A network security system and method implements dynamic access control for a protected resource using run-time contextual information. In some embodiments, the network security system and method implements a dynamic access ticket scheme for access control where the access ticket is based on run-time application context. In other embodiments, the network security system and method implements policy enforcement actions in response to detected violations using application programming interface (API) to effectively block detected policy violations without negatively impacting the operation of the application or the user of the application. In some embodiments, the network security system uses enterprise social collaboration tools to interact with the end-user or with the system administrator in the event of detected security incidents. |
| US11070534B2 |
Systems and processes for vaultless tokenization and encryption
A system for vaultless tokenization and encryption includes an iframe service for collecting data and a tokenization service for (de)tokenizing and encrypting/decrypting data. The system is accessible to users and partners that submit requests causing various functions to be executed by the system. The functions include, but are not limited to, providing (de)tokenization and/or encryption services, and managing and creating templates for iframe collection, (de)tokenization, and encryption/decryption. A template service facilitates generation of templates that parametrize collection of original data via served iframe elements, tokenization and/or encryption of original data, and detokenizing and/or decrypting tokens to recover original data. An iframe service is configured for providing a virtual terminal, an iframe that provides users direct access to (de)tokenization and/or decryption/encryption services. Access to system services is managed via identifiers that include authentication credentials and parameters for performing (de)tokenization and/or encryption/decryption processes. |
| US11070528B2 |
Remote data queries on secure devices
An assistant computing device communicates with a requesting computing device. The requesting computing device communicates with a remote computing device. The remote computing device in communication with a dataset resides in a secured data center. The requesting computing device: employs credentials to communicate requests to the remote computing device over an external network and through a firewall; and receives query results generated by the remote computing device executing the requests. The assistant computing device: receives requests from the requesting computing device to query the dataset; generates access credentials; encrypts and communicates the access credentials to the requesting computing device; receives encrypted results from the requesting computing device; decrypts and communicates the results to the requesting computing device. |
| US11070523B2 |
Digital data transmission system, device and method with an identity-masking mechanism
A digital data transmission system includes an identity-masking mechanism, a transmitter device provided with the identity-masking mechanism, and a receiver device having an identification data. The identity-masking mechanism is provided to convert a source or destination data into a source or destination identity-masking mark which is combined with a predetermined data, thereby forming a source-marked or destination-marked data with the source identity-masking mark. The source-marked or destination-marked data is transmitted from the transmitter device to the receiver device for verifying with the identification data. The receiver device cannot access the source-marked or destination-marked data if the verification is failed. The receiver device can access the source-marked or destination-marked data if the verification is passed. |
| US11070522B1 |
Removing anomalies from security policies of a network security device
The techniques described herein may optimize a set of ordered rules of a security device through the removal of one or more anomalies. For example, a security management system or other configuration management system or component may detect and remove one or more anomalies from a set (e.g., list) of one or more ordered rules to be enforced by the network security device, such as shadowing anomalies, redundancy anomalies, and/or correlation anomalies, among others, as described herein. Security management system may transform the set of ordered rules to replace at least a subset of the rules within one or more mutually exclusive rules. In some instances, the security management system may optimize the transformed rule set, for example, by using redundancy removal and/or join/merge policies. |
| US11070518B2 |
Method and system for assigning number for routing call from electronic device
A computer-implemented method for routing a call from an electronic device to a first target organization. The method, executed by a server, comprises: receiving a request for a first digital content item; generating the first digital content item with an indication of a unique telephone number; and mapping the unique telephone number to the user and the first digital content item. After a predetermined activity time, the unique telephone number is disassociated from the first digital content item and placed into a quarantine pool. After a predetermined quarantine time, the unique number is removed from the quarantine pool and assigned to a second target organization selected by: determining a first business profile associated with the first target organization; determining a second business profile associated with the second target organization; and verifying that the first business profile and the second business profile are different. |
| US11070515B2 |
Discovery-less virtual addressing in software defined networks
A virtual address of a destination of a packet is parsed into a set of virtual address components. A subset of the set of virtual address components is tokenized into a token. The token is converted into at least a portion of a hostname. A look-up of a real network address corresponding to the hostname is performed. The packet is caused to be transmitted to the real network address, wherein the real network address corresponds to a host machine on a physical network, the receiving virtual entity operating on the host machine. |
| US11070513B2 |
DNS-based method of transmitting data
The DNS-based method of transmitting data provides a telecommunication method for transmitting user-selectable data through the Domain Name System (DNS). Selected data is encoded as an alphanumeric character string on a user device. A uniform resource locator (URL) having a domain part and a host part is generated, where the host part is constructed from the alphanumeric character string. The URL is transmitted from the user device to a local DNS server. The URL is forwarded from the local DNS server to an authoritative DNS server associated with a domain name of the domain part. A set of response bytes, which are responsive to the user-selectable data encoded as the alphanumeric character string of the host part, is generated at the domain and transmitted from the authoritative DNS server to the local DNS server. The set of response bytes are transmitted from the local DNS server to the user device. |
| US11070505B2 |
Group chat initiating method on basis of shared document, device and apparatus therefor, and storage medium
Disclosed in the embodiment of the present disclosure is a group chat initiating method on the basis of a shared document, comprising: when a first user account accesses a shared document, querying the shared document to obtain a group-specific name card inserted therein, and in the shared document, according to a joining state of the first user account in a chat group, displaying a group chat control corresponding to the joining state, and in response to an operation of the user performed on the chat control, sending a corresponding group chat request for joining the chat group or displaying an interface of the chat group. Also disclosed in the embodiment of the present disclosure are a device for initiating a group chat on the basis of a shared document, an electronic apparatus, and a computer-readable storage medium. |
| US11070503B2 |
Method and system for creating a personalized e-mail
A method for creating a personalized E-Mail within a mail client, includes the creation of a signature as a part of the E-mail based on the interaction of a user with the mail client, a portrait image of the user being automatically integrated into the signature. |
| US11070502B1 |
Techniques for notifications of entity references in a messaging thread
Techniques for notifications of entity references in messaging groups. A client device may receive a notification in a messaging application. The notification may indicate that an entity reference to a user associated with the client device appears in a group messaging thread. The group messaging thread may include, as participants, one or more other users associated with one or more other client devices. The client device may display, in a user interface of the messaging application, a notification of the appearance of the entity reference in the group message thread. |
| US11070495B2 |
Systems and methods for a chatbot communication framework
Systems and methods for a chatbot communication framework, which solves the problems of hacker chatbots, identity theft, transmission of corrupt data and related technological issues by providing an integrated framework for communication between chatbots that otherwise use various different unique standards and rules and authentication procedures. This improves the operation of chatbot computing systems by increasing speed and efficiency of electronic communication between such systems and increasing security of such systems by preventing identity theft and transmission of corrupt data. |
| US11070481B2 |
Predictive management of a network buffer
Predictive management of a network buffer is contemplated. The network buffer maybe predictively managed to control packet drop based at least in part on predicted sojourn time. The predicted sojourn time may be determined to predict time needed from an arriving packet to travel through a queue of the network buffer. |
| US11070475B2 |
Transparent migration of virtual network functions
A method includes identifying a middlebox receiving network flow and communicating with one or more backend virtual machines. The method also includes receiving flow statistics corresponding to the network flow of the middlebox and determining whether the flow statistics satisfy an offload rule. The offload rule indicates when to migrate the network flow from the middlebox to an end host. When the flow statistics satisfy the offload rule, the method also includes migrating the network flow from the middlebox to the end host. |
| US11070474B1 |
Selective load balancing for spraying over fabric paths
A network device includes a memory, a plurality of packet processors, a switch fabric coupling the plurality of processors, and processing circuitry. The processing circuitry is configured to receive a data stream to be transmitted on a switch fabric and determine a plurality of credit counts, each credit count being assigned to a respective subchannel of a plurality of subchannels. The packet processor is further configured to determine per-subchannel occupancy of the memory for the plurality of subchannels, select, based on the plurality of credit counts and the per-subchannel occupancy of the memory, a subchannel of the plurality of subchannels for transmitting a cell of a plurality of cells for the data stream, and output data for the cell to the memory for output by the selected subchannel. |
| US11070468B1 |
Serverless segment routing (SR)-label distribution protocol (LDP) stitching
A data forwarding device belonging to both (1) a segment routing (SR) domain and (2) a label distribution protocol (LDP) domain may be used to perform a method comprising: (a) receiving, by the data forwarding device, information uniquely associated with each of one or more nodes in the LDP domain; (b) associating, for each of the one or more nodes in the LDP domain, a unique SR segment identifier (SID) with the information uniquely associated with the node in the LDP domain, to generate one or more SR SID-to-LDP node associations; and (c) transmitting the one or more SR SID-to-LDP node associations for propagation to at least one other node in the SR domain, whereby the at least one other node in the SR domain will become aware of the one or more nodes in the LDP domain. The SR-LDP border router is aware of all the nodes in SR and LDP domain including the SRGB database (base label, node label, and label range). Once the border node is configured for LDP-SR stitching it assigns one of the free SR node SID to each LDP node. Subsequently, border node will propagate this binding to all the SR nodes (e.g., using the existing IGP TLVs). One of the available bits in label binding TLV may be set to make the nodes in the SR domain aware of the LDP nodes. |
| US11070467B1 |
Expedited route recovery and load balancing in a multi-radio mesh network
Network hardware devices organized in a wireless mesh network (WMN). A first mesh network device includes processing logic that detects an error condition of a first wireless link to a next hop node in a wireless path between a second mesh network device and a third mesh network device. The processing logic sends, via a first radio of the first mesh network device, a first frame with a first path error message over a second wireless link to a precursor hop node in the wireless path. The first path error message identifies the error condition of the first wireless link. The processing logic generates a second frame with a copy of the first path error message and sends, via a secondary radio of the first mesh network device, the second frame with the copy of the first path error message. |
| US11070466B2 |
Method for link aggregation and related devices
The present disclosure provides a method for link aggregation and related devices. The method is applied to an electronic device including an application layer, a framework layer, and a kernel layer. The method includes the following. A touch operation on an operation interface is detected via the application layer. A link aggregation function is enabled via the framework layer in response to the touch operation, where the link aggregation function is enabled by establishing a first wireless link and at least one second wireless link. In response to enablement of the link aggregation function, a link selection strategy is determined via the kernel layer, and a mapping relation between data streams and wireless links is established according to the link selection strategy to transmit data stream transmission via on a designated link. |
| US11070463B2 |
Guaranteed bandwidth for segment routed (SR) paths
At least one bandwidth-guaranteed segment routing (SR) path through a network is determined by: (a) receiving, as input, a bandwidth demand value; (b) obtaining network information; (c) determining a constrained shortest multipath (CSGi); (d) determining a set of SR segment-list(s) (Si=[sl1i, sl2i . . . slni]) a that are needed to steer traffic over CSGi; and (e) tuning the loadshares in Li, using Si and the per segment-list loadshare (Li=[l1i, l2i . . . lni]), the per segment equal cost multipath (“ECMP”), and the per link residual capacity, such that the bandwidth capacity that can be carried over CSGi is maximized. |
| US11070461B1 |
System for dividing a tree data structure to improve traversal operations
Described are techniques for efficiently traversing a tree data structure to determine responses to queries by first dividing the tree data structure into linear chains of nodes. Linear chains may be formed by beginning at an initial node, including the child node of the initial node that has the largest number of descendant nodes, and proceeding to include child nodes associated with the largest number of descendant nodes until a node lacking child nodes is reached. Additional chains may then be formed by beginning at an initial node not included in previous linear chains and repeating the process. Responsive to a received query, traversal of each linear chain encountered along a query path may be performed more efficiently than other traversal algorithms that traverse a tree data structure until an end node is reached. |
| US11070460B2 |
System and method for next hop BGP routing in a network
Aspects of the present disclosure involve systems for providing multiple egress routes from a telecommunications network for a client of the network. In general, the system provides for a client of the network to receive intended packets of information through multiple connections to the network such that load balancing and failover services for traffic to the customer are provided. The process and system allows for telecommunications network to utilize a common next-hop value of announced border gateway protocol (BGP) routes to advertise multiple routes to reach a destination customer network or address. By utilizing a common next-hop value in the announced BGP information, the devices of the network may load balance communication packets to the destination customer or address among the multiple egress locations from the network, as well as providing fast failover to alternate routes when a failure at the network or customer occurs. |
| US11070454B1 |
System for routing functionality packets based on monitoring real-time indicators
Embodiments of the present invention provide a system for routing functionality packets based on monitoring real-time indicators. The system is configured for continuously gathering real-time input data from one or more monitoring devices, wherein the real-time input data is associated with at least one user, extracting computed data from a data repository, aggregating and processing the real-time input data and the computed data, and in response to aggregating and processing the real-time input data and the computed data, dynamically identifying a real-time anomaly associated with the at least one user. |
| US11070447B2 |
System and method for implementing and managing virtual networks
A system and method for implementing and management virtual networks is disclosed. A method includes receiving a network packet arriving at a first network interface of a first node of an underlying network, communicating at least the packet and an identifier of the first network interface to a decision engine, determining how the packet should be processed based on a simulation by the decision engine of a traversal of a virtual network topology including a plurality of virtual network devices, wherein the decision engine communicates with a shared database accessible from the underlying network that stores the virtual network topology and virtual device configurations for the plurality of virtual network devices; and processing the packet based upon the simulation. |
| US11070439B2 |
Hierarchical network analysis service
A hierarchical network analytics system operated by a computing device or system is described. In some example techniques, the analytics system may determine results of a plurality of first level analyses each based at least in part on results of a respective plurality of data queries that return respective subsets of a plurality of types of network data. The analytics system may determine a result of a second level analysis based at least in part on results of the plurality of first level analyses. |
| US11070438B1 |
Apparatus, system, and method for collecting network statistics information
The disclosed method may include (1) deploying, within a network device, at least one sensor designed to collect network statistics information about a plurality of logical network interfaces of the network device, (2) receiving, at the network device, one or more requests to obtain network statistics information about at least one logical network interface of the network device, (3) determining a range of network addresses that includes a network address of each logical network interface within the one or more requests, and then (4) providing, to the sensor, an instruction that prompts the sensor to (A) simultaneously collect network statistics information about each logical network interface whose network address is within the range of network addresses and (B) utilize the collected network statistics information to enable the network device to handle network traffic. Various other apparatuses, systems, and methods are also disclosed. |
| US11070434B2 |
Communications network node
A communications network node has a memory storing information about the topology of a network, configuration data comprising attributes of the network, and information about a routing protocol of the network. The memory stores a comparison function derived from a best path definition of the routing protocol. A path finding component of the node computes, for an individual one of the nodes, a routing table specifying which neighbors of the individual node incoming data received at the individual node is to be routed to, where computing the routing table comprises searching for optimal paths between the nodes, using the information about the topology of the network and the configuration data, and using the comparison function to guide the search; and wherein optimal paths between the nodes are optimal with respect to one or more of the attributes. |
| US11070427B2 |
Method and apparatus for transmission over virtual tunnel
An electronic device for updating firmware in a target device over the air includes a dispatching module and a firmware over the air (FOTA) core. The dispatching module is configured to establish a communication link between the electronic device and the target device. The FOTA core is configured to receive information corresponding to updated firmware via the established communication link. |
| US11070421B2 |
Combined registration and telemetry reporting
Examples are disclosed that relate to using a multiplexed transmission to register a telemetry device with a telemetry system and report telemetry data to the telemetry system on behalf of a telemetry device. One disclosed example provides a method comprising receiving a multiplexed transmission from a telemetry device, the multiplexed transmission comprising a registration message and telemetry data, demultiplexing the multiplexed transmission to obtain the registration message and the telemetry data, registering the telemetry device with a telemetry system based upon the registration message, sending the telemetry data to the telemetry system, and sending a registration response to the telemetry device, the registration response confirming registration of the telemetry device with the telemetry system. |
| US11070419B2 |
Methods and systems to troubleshoot and localize storage failures for a multitenant application run in a distributed computing system
Computational methods and systems that troubleshoot and localize failures in data storage of a multitenant application are executed in a multitenant database management system that comprises a control plane of control plane nodes and a data plane of independent and isolated data plane nodes. Each control plane node receives data requests and data queries. Each data plane node maintains data storage for tenants of the multitenant application and executes data storage and data query operations requested by the control plane nodes. Methods and system determine whether data plane nodes are network connected and whether the data cores of network connected data plane nodes are available to ingest data and respond to data queries. Data cores of disconnected data plane nodes and unavailable data cores are isolated from data ingestion and data queries. Remedial measures are executed to restore disconnected data plane nodes and unavailable data cores. |
| US11070417B2 |
Sensor relay apparatus and sensor relay system
In a sensor relay apparatus (10), a storage unit (11) stores a communication protocol correspondence list (22B) in which a sensor terminal (ST) and a communication protocol are registered in association with each other, and a communication format (22C) to be used in the communication protocol, a relay processing unit (12) communicates with the sensor terminal (ST) specified in the communication protocol correspondence list (22B) based on the communication protocol associated with the sensor terminal (ST), receives sensor data detected by the sensor terminal (ST), converts the format of the sensor data based on the communication format (22C) in association with the communication protocol, and relays and transfers the sensor data to a processing apparatus (20), and a relay managing unit (16) updates the communication protocol correspondence list (22B) or the communication format (22C) in the storage unit (11), based on a communication protocol correspondence list or a communication format newly notified from the processing apparatus (20). |
| US11070416B2 |
Time domain approach to determining a modulation or demodulation imbalance
An electronic device discussed herein may include an imbalance compensation logic that determines an imbalance parameter based at least in part on received quadrature signals from quadrature generation circuitry. The imbalance parameter may be determined using noise received by a receiver as an input radio frequency signal. By using the systems and methods described herein, an accuracy of detecting the imbalance may improve. Furthermore, by including the imbalance compensation logic internal to the electronic device, the imbalance compensation logic may provide continued imbalance detection over a lifespan of the electronic device. |
| US11070410B1 |
Transmitter
To support a wide range of code rates in probabilistic shaping based modulation schemes solutions, a constellation which is at least based on a trained model is used in the modulation. Depending on an implementation the trained model may be a constellation comprising a plurality of sub-constellations with trained parameters as constellation points, or the trained model may be for generating a constellation and corresponding constellation points. |
| US11070407B2 |
Partial uplink subframe transmissions on unlicensed carriers
Technology for a user equipment (UE), operable for an uplink partial subframe transmission on an unlicensed carrier is disclosed. The UE can select one or more uplink (UL) partial subframe configurations based on one or more prospective lengths of a listen before talk (LBT) period, wherein each prospective length of the LBT period provides a prospective starting time. The UE can encode data for each of the one or more UL partial subframe configurations to form one or more UL partial subframe configuration encodings. The UE can identify an actual LBT period. The UE can select one of the one or more UL partial subframe configuration encodings for UL transmission of the data on the unlicensed carrier based on the actual LBT period and a corresponding prospective starting time. |
| US11070402B2 |
Receiving apparatus and receiving method
A receiving apparatus includes a first sample circuit configured to extract first binary data based on a first voltage and a clock timing of a received signal, a second sample circuit configured to extract second binary data based on an adjustable second voltage and a clock timing of the received signal, and a waveform processor configured to acquire a plurality of the second binary data from the second sample circuit using a pattern, the pattern corresponding to the first binary data extracted by the first sample circuit with consecutive sampling timings, determine an appearance frequency of the received signal based on the plurality of second binary data and the first binary data, and generate waveform information of the received signal according to the determined appearance frequency. |
| US11070401B2 |
Fast control interface
Devices exchange control signals with each other to ensure proper operation of an overall system. For instance, in a communication system, a baseband processor and a transceiver communicate with each other to exchange information for controlling the respective signal processing parts of the baseband processor and the transceiver. While Serial Peripheral Interfaces (SPIs) can be used, SPI can be extremely slow, and does not provide a protocol for allowing a complex set of control signals to be exchanged between the baseband processor and transceiver. The present disclosure describes a fast control interface which can support various modes of operation in allowing two devices to communicate with each other quickly and effectively. |
| US11070400B2 |
Method for determining transmission parameters of uplink signal, terminal and network device
Provided are methods for determining a transmission parameter of an uplink signal, a terminal and a network device. The method includes that: a terminal determines a first SRS resource set receives, from a network device, first indication information which is for instructing the terminal to transmit an aperiodic SRS, determines a target SRS resource set according to the first indication information and the first SRS resource set, sends the aperiodic SRS to the network device on an SRS resource in the target SRS resource set, receives, from the network device, second indication information which is for indicating a target SRS resource in the target SRS resource set; and the terminal determines a transmission parameter used to transmit an uplink signal according to the target SRS resource. |
| US11070397B2 |
Adaptive OTA leakage cancellation for mmWave radar
Techniques provided herein are directed toward enabling short-range proximity detection using radar sensors by reducing or eliminating OTA leakage. Embodiments generally include performing spatial cancellation by using a plurality of transmit/receive pairs of antenna elements to implement analog and/or digital leakage cancellation on the transmit and/or receive side. According to some embodiments null space projection cancellation, OTA leakage tracking, or adaptive minimum variance distortionless response (MVDR) beamforming may be performed to help preserve of the OTA leakage cancellation efficacy over time. |
| US11070393B2 |
Power delivery apparatus
A power delivery apparatus (20) comprises a power source device (22), a power sink device (24) and a data transmission link (26), the power source device (22) connected to one end of the data transmission link (26), the power sink device (24) selectively connectable to another end of the data transmission link (26), the data transmission link (26) configured to permit transmission of data between the power source device (22) and the power sink device (24) when the power sink device (24) is connected to the data transmission link (26), wherein the power source device (22) is configured to apply a periodic sensing voltage to the data transmission link (26), the power delivery apparatus (20) further including a sensing device configured to detect, via the application of the periodic sensing voltage to the data transmission link (26), whether the power sink device (24) is connected to the data transmission link (26), and the power source device (22) is configured so that, in response to the power sink device (24) being detected as connected to the data transmission link (26), the power source device (22) applies a power supply voltage to the data transmission link (26) to supply power to the power sink device (24) via the data transmission link (26) so as to enable a normal operation of the power sink device (24). |
| US11070391B2 |
Method for configuring, monitoring or supervising a home automation installation
The present invention relates to a method for configuring a management unit connected to at least one home automation equipment (17) comprising at least one home automation device (D) and at least one central control unit (U), the method being implemented by a management unit (Sv) and comprising the following steps: configuring (EcfSv2) an alert (AI) corresponding to the triggering of a notification (N) and/or an action (Ac) when a triggering condition (Cnd, Cndp) is produced relating to at least one state variable (S) for a home automation device (D), a group of home automation devices (D), a type of home automation device (DT) or a group of types of home automation devices (DT); the step of configuring an alert (AI) being carried out on the basis of instructions of a first user (Usr1) having a first user profile type (UsrT1); declaring (ECfUsr25) the monitoring of an assembly (SDS) of home automation devices (D) comprising at least one home automation device (D) for which at least one alert (AI) has been defined by a second user (Usr2) having a second user profile type (UsrT2). The present invention also relates to a method for controlling and monitoring said equipment. |
| US11070382B2 |
Communication in a distributed architecture
A method for authorizing I/O (input/output) commands in a storage cluster is provided. The method includes generating a token responsive to an authority initiating an I/O command, wherein the token is specific to assignment of the authority and a storage node of the storage cluster. The method includes verifying the I/O command using the token, wherein the token includes a signature confirming validity of the token and wherein the token is revocable. |
| US11070380B2 |
Authentication apparatus based on public key cryptosystem, mobile device having the same and authentication method
An authentication apparatus, included in a device supporting a network communication, includes a certificate handler that receives a certificate of an opponent and parses or verifies the certificate of the opponent. Cryptographic primitives receive an authentication request of the opponent, generate a random number in response to the authentication request, generate a challenge corresponding to the random number, and verify a response of the opponent corresponding to the challenge. A shared memory stores the parsed certificate, the random number, the challenge, and the response. An authentication controller controls the certificate handler, the cryptographic primitives, and the shared memory through a register setting, according to an authentication protocol. |
| US11070377B1 |
Blended virtual machine approach for flexible production delivery of intelligent business workflow rules
A method for blending uncompiled source files and compiled binaries in a single Runtime container. The method may include receiving data at a configuration database. The method may include invoking a scheduler. The method may include determining whether it is time to rerun the software code referenced by the Runtime container. The method may include performing a hash function on source files comprising content and logic. The method may include retrieving source files that include updated hash signatures. The method may include storing an in-memory equivalent of the source files. The method may include invoking a class loader for each source file that has been parsed successfully. The method may include storing, for each successfully loaded source file, a name and reference location. The method may include loading classes based on received names. The method may include compiling the binaries and implementing the logic referenced by the received names. |
| US11070375B2 |
Key encryption handling
An apparatus comprises an encryption key generator to generate a media encryption key to encrypt data in number of memory components, where the encryption key generator is configured to wrap the media encryption key to generate an encrypted media encryption key, The encrypted media encryption key is stored in a non-volatile memory. The apparatus comprises firmware having instructions to transition the apparatus to and from a secure state using the encrypted media encryption key. |
| US11070373B2 |
Masked key hopping
Methods, systems, and media for improving computer security and performance of security are disclosed. In one example, a computer security system comprises a key management monitor, and two key elements comprising a first key element and a second key element. The first key element is stored at a first location address within a computer memory and the second key element is stored at a second location address. The key management monitor is configured to determine or receive a time duration for performing a data dump of contents of the computer memory. In one example, the key management monitor is further configured to control a location of the first key element within the computer memory, wherein the location address of the first key element is changed within a time period that is less than the time duration for performing the data dump of contents of the computer memory. |
| US11070368B2 |
System, method, and program for transmitting and receiving any type of secure digital data
A system for transmitting and receiving digital data includes a database including a plurality of user records and an application server. Each user of the records includes a plurality of user profiles, each of the user profiles includes a unique user ID and a unique password, each user of the profiles is associated with at least one PrivaKey/ChannelKey. The application server is programmed to execute a program including the steps of verifying a first user profile and a second user profile, authenticating the first user profile and the second user profile, receiving a PrivaKey/ChannelKey associated with the first user profile and the second user profile, automatically encrypting a plurality of digital data, sending the encrypted digital data to the second user profile, rebuilding the secret key from the ReciKey to prepare the encrypted digital data, automatically decrypting the encrypted digital data, and displaying the decrypted digital data. |
| US11070363B1 |
Sharing cryptographic session keys among a cluster of network security platforms monitoring network traffic flows
A first example network security platform disclosed herein includes a platform selector to determine a platform selection value based on a first parameter value in a first message from a client and a second parameter value in a second message from a server, the first and second messages associated with establishment of an encrypted network traffic flow between the client and the server. The example first network security platform also includes a key retriever to obtain a cryptographic session key associated with the encrypted network traffic flow from a selected one of a cluster of network security platforms based on the platform selection value, the first network security platform included in the cluster of network security platforms. The example first network security platform further includes a traffic analyzer to analyze network traffic associated with the encrypted network traffic flow based on the cryptographic session key. |
| US11070361B2 |
Block generation method in blockchain-based system
Provided is a block generation method in blockchain-based system. The block generation method comprises calculating, by a first blockchain node among the plurality of blockchain nodes, a first node score, propagating, by the first blockchain node, the first node score to the plurality of blockchain nodes, receiving, by the first blockchain node, a delegation of a block generation authority from a second blockchain node among the plurality of blockchain nodes, the second blockchain node having received the first node score and initiating, by the first blockchain node, generation of a new block based on a determination that a block generation node condition, that is based on the block generation authority, has been satisfied. |
| US11070360B2 |
Parallel transaction validation and block generation in a blockchain
An example operation may include one or more of identifying pending blockchain transactions in a transaction queue, determining states of the pending blockchain transactions, determining whether the pending blockchain transactions in the transaction queue are valid based on the determined states, retrieving a list of potential blockchain transaction conflicts associated with the pending blockchain transactions, and determining whether any conflicts exist for one or more of the pending blockchain transactions based on the list of blockchain transaction conflicts. |
| US11070358B2 |
Computation device and method
A computation device (200) arranged to evaluate a data function (S) mapping a number (n) of input variables to a number of output variables (m). The computation device comprises selection mechanism (220) receiving as input selection variables and an evaluation mechanism (210) arranged to receive the one or more evaluation variables and to evaluate the evaluation functions for the received evaluation variables, an evaluation function receiving as input the evaluation variables. |
| US11070357B2 |
Techniques for privacy-preserving data processing across multiple computing nodes
A method used in a first environment includes obtaining first data to be processed in a second environment, homomorphically encrypting the first data to produce first encrypted data, and providing the first encrypted data to the second environment. The method also includes receiving supplemental data from the second environment, homomorphically encrypting the supplemental data to produce encrypted supplemental data, and providing the encrypted supplemental data to the second environment. The method further includes receiving second encrypted data from the second environment and homomorphically decrypting the second encrypted data to recover data processing results generated in the second environment using the first encrypted data and the encrypted supplemental data. |
| US11070356B2 |
Text encryption
In one example in accordance with the present disclosure, a method may receiving a plaintext to be encrypted. The plaintext may include a first block, a second block and a third block. The method may include generating a preliminary ciphertext based on the first block and the second block and generating, using an encryption key, a first ciphertext using an encryption operation receiving the third block and the preliminary ciphertext as inputs. The method may also include generating, using the encryption key, a first finalized ciphertext using the encryption operation receiving the first block and the first ciphertext as inputs and generating, using the encryption key, a second finalized ciphertext using the encryption operation receiving the second block and the first finalized ciphertext as inputs. |
| US11070352B2 |
CDR circuit and receiver of multilevel modulation method
A clock data recovery circuit includes a circuit that receives a data signal for which each of a plurality of potential levels is associated with a value of 2 bits or more, based on a result of a first comparison that compares the 3 or more first thresholds with the data signal at timing synchronized with a clock signal; a circuit that outputs a result of a second comparison that compares the data signal with a second threshold at the timing; a circuit that generates a phase difference signal indicating whether to advance or delay a phase of the clock signal, based on the result of the determination and the result of the second comparison; a filter that generates a phase adjusted value indicating an adjustment amount of the phase, based on the phase difference signal; and a circuit that adjusts the phase based on the phase adjusted value. |
| US11070351B1 |
Controller and method for data communication
The controller includes a first equalizer, a first detector, a second detector, a multiplexer, a data clock generator, and a second equalizer. The first equalizer is configured to receive and equalize the input data. The first detector is configured to detect optimum phase of the input data. The optimum phase of the input data represents the input data peak. The second detector is configured to generate an envelope data according to the input data and detect peak of envelop with respect to sampling phase. The data clock generator is configured to generate the recovered data clock. The second equalizer is configured to generate the recovered data. The multiplexer is configured to generate an offset value according to the input data peak and the envelope data peak. The offset value represents the recovered data clock having an optimum sampling frequency and an optimum sampling phase. |
| US11070348B1 |
Time synchronization of a wireless network
Apparatuses, methods, and systems for synchronizing nodes of a wireless network are disclosed. One method includes identifying synchronization paths between synchronization reference nodes of the wireless network and each non-reference node of the wireless network, wherein each synchronization path includes one or more wireless hops between the synchronization reference nodes and the non-reference node, determining a number of timing slots needed for supporting each of the identified synchronization paths, and selecting at least one of the synchronization paths between each non-reference node and at least one of the synchronization reference nodes based on a number of wireless hops of each of the identified synchronization paths and the determined number of timing slots needed to support each of the identified synchronization paths. |
| US11070347B2 |
Radio-frequency front-end architecture for carrier aggregation of cellular bands
Circuits and methods related to radio-frequency (RF) architectures having carrier aggregation. In some implementations, a carrier aggregation (CA) architecture can include a duplexer configured to provide duplexing functionality for a first frequency band and a second frequency band with a common antenna. The CA architecture can further include a first amplification path and a second amplification path coupled to respective ports of the duplexer, each of the first amplification path and the second amplification path configured to amplify a signal in its respective frequency band, each amplification path including a transmit/receive (TX/RX) switch configured to provide time-division duplexing (TDD) functionality for the amplified signal and a received signal. In some implementations, the first frequency band includes a B39 band, and the second frequency band includes a B41 band. |
| US11070345B2 |
Channel measurement for uplink transmission
A method performed by a base station for measuring a channel state information reference signal (CSI-RS) for non-codebook based uplink (UL) transmission. The method includes transmitting information relating to a sounding reference signal (SRS) resource set for the non-codebook based UL transmission, information relating to a CSI-RS resource, a CSI-RS over the CSI-RS resource, and information relating to CSI-RS measurement restriction for measurement of the CSI-RS according to the CSI-RS measurement restriction. The measurement is for determining precoding information for the SRS resource set. The method includes receiving the SRS resource set, measuring the SRS resource set, and determining one or more SRS resources within the SRS resource set to be used for precoding the UL transmission. The method further includes transmitting a downlink control information (DCI) that indicates the SRS resources within the SRS resource set to be used for precoding the UL transmission, and receiving the UL transmission. |
| US11070339B2 |
System and method of UE-centric radio access procedure
A method and system for operating a user equipment (UE) wherein a first set of radio access procedures are supported when the UE is in a first operating state, and a second set of radio access procedures are supported when the UE is in a second operating state. |
| US11070337B2 |
Methods and apparatuses for reference signal configuration
Embodiments of the present disclosure relate to methods and apparatuses for Reference Signal (RS) transmission. In example embodiments, a method implemented in a network device is provided. According to the method, the network device determines at least one set of CSI-RS resources for transmitting Tracking Reference Signal (TRS) to a terminal device. The network device further determines a first offset between a first slot to transmit a first signal for enabling transmission of the TRS and a second slot to transmit the TRS in the at least one set of CSI-RS resources. The first offset is different from a second offset between a third slot to transmit a second signal for enabling transmission of CSI-RS and a fourth slot to transmit the CSI-RS. The network device transmits a configuration indicating the at least one set of CSI-RS resources and the first offset to the terminal device. |
| US11070336B2 |
Signal transmitting method for device-to-device (D2D) communication in wireless communication system and device therefor
The present invention relates to a method and a device for transmitting a device-to-device (D2D) signal of a first terminal in a wireless communication system. Particularly, the method comprises the steps of: receiving at least one parameter for D2D communication which includes a scheduling assignment identity (ID); and transmitting a D2D signal generated by using the scheduling assignment ID to a second terminal through an uplink subframe, wherein the scheduling assignment ID is associated with the second terminal for the D2D communication. |
| US11070335B2 |
Apparatus and method for determining resources for phase tracking reference signal (PT-RS) pilot signals using frequency domain patterns
An apparatus for wireless communication selects a recommendation for the need. The apparatus selects the resource to transmit a phase tracking reference signal based on a condition of a communication system. The apparatus performs at least one of transmitting an indication of the selected recommendation for the resource to a second wireless communication device or transmitting at least one of information or a reference signal to the second device to assist the second device in determining the resource. In an aspect, the selection may be made based on receiving a request for a recommendation from the second wireless communication device or the transmitting the at least one of the information or the reference signal are based on a request received. |
| US11070327B2 |
Method and apparatus for re-transmitting MMT packet and method and apparatus for requesting MMT packet re-transmission
The present invention discloses a method of re-transmission of a lost MMT packet by a packet transmission apparatus. The method includes generating a media processing unit (MPU) based on a media fragment unit (MFU) and generating an MMT asset by encapsulating the MPU; generating an MMT packet based on the MPU included in the generated MMT asset; and transmitting the generated MMT packet, wherein the method further comprises adding, in a signaling message related to re-transmission of the MMT packet, delay_constrained_ARQ_flag to indicate whether or not the MMT packet transmission apparatus supports a delay-constrained automatic repeat request (ARQ) function. |
| US11070325B2 |
Apparatus and method for discontinuous data reception in wireless communication system
Disclosed in a method of discontinuous data reception in a mobile communication system. The method includes: receiving downlink data and decoding the received downlink data by the UE; when the decoding is not successful, starting a timer for receiving retransmitted data; when the downlink data has been received by a configured downlink assignment, operating a downlink carrier, through which the downlink data has been received, in an active time; and when the downlink data has been received by a dynamic transmission resource and the downlink carrier, through which the downlink data has been received, is different from a downlink carrier, through which a scheduling command for the downlink data has been received, operating the downlink carrier, through which the scheduling command for the downlink data has been received, and the downlink carrier, through which the downlink data has been received, in an active time. |
| US11070321B2 |
Allowing packet drops for lossless protocols
Techniques for dropping packets at congested network elements for no drop traffic are described. A network element in communication with a congested network element initiates a copy packet queue and stores a copy of each transmitted no-drop packet sent to the congested element. When the network element receives an indication that the congested element has dropped a no-drop packet, the network element begins retransmission of the dropped packets to the congested element from the copy packet queue, thus providing a lossless network while allowing for dropped packets. |
| US11070318B1 |
Forwarding data amongst cooperative computing devices of a massive data ingestion system
A method begins with a first group of computing devices of a plurality of computing devices of a storage network receiving data objects having a first data type identifier of a plurality of data type identifiers, where the plurality of data type identifiers correspond to a plurality of data types associated with the data objects. The method continues with the first group of computing devices interpreting the data objects having the first data type identifier to sort, based on sorting criteria the data objects into a first processing category and a second processing category. The method continues with the first group of computing devices error encoding the data objects in the second processing category based on short term storage error encoding parameters to produce pluralities of sets of encoded data slices and sending the slices to storage and execution units. |
| US11070315B2 |
Error detection and channel coding of transport blocks
This document discloses a solution for error detection. According to an aspect, a method comprises: generating, by a first apparatus, a transport block and error detection bits for the transport block; generating, by the first apparatus, a first number of code block groups by using the transport block and the error detection bits, wherein the first number is two or higher and based on a number of code blocks a second apparatus is able to decode in parallel processing; generating, by the first apparatus, error detection bits for at least one of the code block groups; generating, by the first apparatus, a plurality of code blocks for each code block group, and causing transmission of the plurality of code blocks to the second apparatus. |
| US11070314B2 |
Use of LDPC base graphs for NR
An apparatus is provided which comprises at least one processor, at least one memory including computer program code, and the at least one processor, with the at least one memory and the computer program code, being arranged to cause the apparatus to at least perform generating a code block including information bits and parity bits, the parity bits being generated by performing a cyclic redundancy check on the information bits, determining the number of parity bits used in generating the code block based on an applied linear error correcting code base graph and/or based on the number of the information bits, and encoding the code block by using the applied linear error correcting code base graph. |
| US11070311B2 |
System and method to measure and score application health via correctable errors
Disclosed are systems, methods, and non-transitory computer-readable storage media for monitoring application health via correctable errors. The method includes identifying, by a network device, a network packet associated with an application and detecting an error associated with the network packet. In response to detecting the error, the network device increments a counter associated with the application, determines an application score based at least in part on the counter, and telemeters the application score to a controller. The controller can generate a graphical interface based at least in part on the application score and a timestamp associated with the application score, wherein the graphical interface depicts a trend in correctable errors experienced by the application over a network. |
| US11070310B2 |
Rate-matching across downlink transmission repetitions in wireless communications
Methods, systems, and devices for wireless communications are described that provide for determining downlink control resources for transmitting control information to a user equipment (UE) that indicates downlink resources for a downlink transmission and a number of repetitions of the downlink transmission. The control information may be provided in a first transmission time interval (TTI), and the repetitions may span a number of TTIs. The UE may rate-match a shared channel containing the downlink transmission around the downlink control resources of the first TTI, and also perform the same rate-matching around corresponding resources in each subsequent TTI of the plurality of TTIs. |
| US11070308B2 |
Mitigation of partial band jamming for satellite communications
A transmitter, including a signal processor programmed to generate, based on input serial data, for each of an integer number of subcarriers mutually orthogonal to each other, a respective first parallel data stream. The signal processor is further programmed to modulate each of the integer number of subcarriers respectively with the respective parallel stream to generate the integer number of data-modulated subcarriers. The signal processor is further programmed to modulate a single carrier occupying a same bandwidth as the integer number of subcarriers with a unique word and one or more pilot symbols to generate a second signal. The signal processor combines the first signal and second signal to generate a third signal. The signal processor generates an output signal by applying a transmit filter to the third signal. |
| US11070301B2 |
Learning-based wireless transmission parameter adaptation based on client activity detection
An access point (AP) is configured to transmit packets to a client device over a communication channel. The AP determines a motion indictor indicative of motion of the client device based on a sequence of channel state information measurements, and measures a signal-to-noise ratio (SNR). The AP selects a transmission parameter among candidate transmission parameters using a learning-based algorithm based on observation parameters including the motion indicator, the SNR, and a device identifier for the client device. The AP employs the transmission parameter to transmit packets to the client device, and measures a transmission performance associated with the transmission parameter based on the transmitted packets. The AP updates the learning-based algorithm based on the observation parameters and the transmission performance for a next pass through the selecting, the employing, and the measuring. |
| US11070296B1 |
Optical receiver with an optically compensated amplifier control loop
An optical receiver can implement a transimpedance amplifier (TIA) to process received light using a closed loop optical pre-amplification. The optical receiver can use an average input value of the TIA to control an semiconductor optical amplifier (SOA) or pre-amplification as received average signal varies. The optical receiver can include a gain controller for the TIA that can measure the TIA swing to adjust the gain of the SOA to pre-amplify received light in a closed loop control configuration. |
| US11070295B2 |
PON system, optical network unit, optical line terminal, method of registering optical network unit, and data structure
A PON system according to one manner of the present invention includes an optical line terminal (OLT), at least one optical network unit (ONU), and an optical fiber that connects the optical line terminal and the optical network unit to each other. A reception level category for categorizing a reception level in the optical network unit, of an optical signal sent from the optical line terminal through the optical fiber is set. In discovery processing for searching for and registering an unregistered optical network unit, the optical line terminal registers an optical network unit corresponding to the reception level category. |
| US11070293B2 |
Method and device for amplifying uplink light of passive optical network, and storage medium
The present disclosure provides a method and a device for amplifying uplink light of a passive optical network, and a computer-readable storage medium. The passive optical network includes an optical network unit, an optical line terminal, and an optical amplifier provided between the optical network unit and the optical line terminal, and the method include: receiving a registration signal transmitted from the optical line terminal; determining a gain value of the optical amplifier, and performing gain value adjustment on the optical amplifier according to the determined gain value; and completing registration when an uplink optical signal transmitted to the optical line terminal through the optical amplifier reaches preset power. |
| US11070291B2 |
Communication terminal based on free space optical communication, communication device and communication system
A communication terminal based on free space optical communication, a communication device, and a communication system are provided. The communication system includes a communication terminal, communication devices, and a master control device. The first communication device includes a light emitting unit configured to transmit an optical signal and a second switching control unit configured to establish a connection with the communication terminal that has received the optical signal. The communication terminal includes a light receiving unit configured to receive the optical signal transmitted by the first communication device and a first switching control unit configured to set the first communication device as a switching destination according to the optical signal. The master control device includes a third switching control unit configured to receive a switch request containing identification information of the communication terminal and transmit a connection instruction to the first switching control unit according to the switching request. |
| US11070288B1 |
Optical transceiver loopback eye scans
An optical transceiver can be calibrated using an internal receiver side eye scan generator, and calibration values (e.g., modulator values) can be stored in memory for recalibration of the optical transceiver. The eye scan generator can receive data from the transmitter portion via an integrated and reconfigurable loopback path. At a later time, different calibration values can be accessed in memory and used to recalibrate the optical transceiver or update the calibrated values using the receive-side eye scan generator operating in loopback mode. |
| US11070285B2 |
System and method for configuring a multistage interconnection network based on user traffic demand
A method includes obtaining traffic demand data indicating user traffic demand through a communication system including a multistage interconnection network. The method also includes generating first path data based on the traffic demand data. The first path data represents a configuration of components of the multistage interconnection network to provide traffic paths through the multistage interconnection network. The method includes selectively generating second path data based on a determination that a potential failure of the multistage interconnection network cannot be isolated, based on the traffic paths, to a single component. The second path data represents a modified configuration of the components to provide the traffic paths and test paths through the multistage interconnection network to facilitate isolation of the failure of the multistage interconnection network to the single component. The method also includes sending configuration data based on the second path data to initiate configuration of the multistage interconnection network. |
| US11070284B2 |
Transmitting station, control circuit, and storage medium
A transmitting station includes an amplifier unit that amplifies a transmitting signal, a transmitting antenna that wirelessly transmits the transmitting signal that has been amplified, and a controller unit that regulates a frequency of the transmitting signal and an input power to the amplifier unit on the basis of an estimation value of reception quality that is a signal quality when the transmitting signal is received by a receiving station. |
| US11070279B2 |
Flexible beamforming techniques for wireless devices
Methods, systems, and devices for wireless communications are described. A wireless device such as a user equipment (UE) may include multiple antenna arrays used to support wireless communications. The antenna arrays may be located at different parts of the UE and may allow the UE to flexibly perform beamforming communications. The antenna arrays maybe configured as antenna sets, and the size of each antenna set may vary based on the configuration of the UE. For example, a UE may include a foldable display having multiple foldable display units, and the communication parameters used for transmission and reception of signals via the antenna arrays may depend on the configuration of the foldable display units. In some aspects, a state of the foldable display units or the arrangement of the antenna arrays relative to one another may be used to configure and perform beamforming communications between the UE and a base station. |
| US11070276B2 |
Message transmission based on a determined beam configuration
A first message is received, wherein the first message comprises information indicative of a spatial propagation characteristic of the first message. A beam configuration is determined based on the information. Then, a directed, beam-formed second message is transmitted using the beam configuration. |
| US11070275B1 |
System and method for managing signal transmission characteristics in a wireless network
Systems, methods, and processing nodes are configured to manage transmission characteristics in a wireless network, such as a wireless network that employs MIMO techniques, by identifying an undesired signal, the undesired signal originating from a communication device external to the wireless network and determining that a signal parameter value of the undesired signal exceeds a threshold value. An operating parameter of a multi-element antenna for communicating signals in the wireless network is adjusted when it is determined that the signal parameter value exceeds a threshold value. |
| US11070268B2 |
Wireless communication node adapted to radiate antenna beams of different types
A wireless communication node comprising an antenna arrangement that is adapted to radiate at least one radiation beam of a first type and at least one radiation beam of a second type. Said at least one radiation beam of the first type has a first type beamwidth (BT1) and said at least one radiation beam of the second type has a second type beamwidth (BT2) that exceeds the first type beamwidth (BT1). Said at least one radiation beam of the first type is arranged for communication with at least a first other node, and where said at least one radiation beam of the second type is arranged for detection of changes in propagation paths for said other node and/or appearances of further other nodes. |
| US11070266B2 |
Systems and methods of adaptive beamforming for mobile satellite systems based on user locations and co-channel waveforms
Systems and methods for adaptive beamforming for a mobile satellite system (MSS). Embodiments described herein provide individual-user-optimized, adaptive beamforming. One example system creates a user beam optimized based either on known user locations or the waveforms received from all cochannel users. The user beam maximizes the signal-to-interference-noise relative to the desired user, both in the forward and return links. The optimization process considers the spatial distribution of all cochannel users in the footprint of the satellite. The user beam adapts to the user's location and co-channel interference environment. |
| US11070257B2 |
Neuron calculator for artificial neural networks
Examples described herein include systems and methods, including wireless devices and systems with neuron calculators that may perform one or more functionalities of a wireless transceiver. The neuron calculator calculates output signals that may be implemented, for example, using accumulation units that sum the multiplicative processing results of ordered sets from ordered neurons with connection weights for each connection between an ordered neuron and outputs of the neuron calculator. The ordered sets may be a combination of some input signals, with the number of signals determined by an order of the neuron. Accordingly, a kth-order neuron may include an ordered set comprising product values of k input signals, where the input signals are selected from a set of k-combinations with repetition. As an example in a wireless transceiver, the neuron calculator may perform channel estimation as a channel estimation processing component of the receiver portion of a wireless transceiver. |
| US11070255B2 |
Wireless communication system and related method for processing uplink fronthaul data
The wireless communications system comprises: a plurality of remote units, wherein each remote unit is configured to convert a respective RF signal into a plurality of time and frequency samples, perform a noise estimation corresponding to the plurality of time and frequency samples, compute a plurality of coefficients corresponding to the plurality of time and frequency samples that have an amplitude greater than at least a predefined threshold value, and multiply each of the plurality of coefficients by its corresponding time and frequency sample to create a plurality of weighted time and frequency samples; at least an intelligent switching unit, coupled to the plurality of remote units, wherein the intelligent switching unit is configured to receive the plurality of weighted time and frequency samples from each of the plurality of remote units, temporally align the pluralities of weighted time and frequency samples, compute a set of weighted sums of time and frequency samples and transmit the set of weighted sums of time and frequency samples; and a baseband processing unit coupled to the intelligent switching unit and configured to receive the set of weighted sums of time and frequency samples, and compute a remaining portion of baseband protocol stack processing on the set of weighted sums of time and frequency samples. |
| US11070252B2 |
Circuit module, bicycle electric component, and communication system
To provide a circuit module, a bicycle electric component, and a communication system that are easily matched to a communication system that uses power line communication, a circuit module is configured to be mounted on a bicycle electric component. The circuit module includes a first circuit board, a communication converter configured to convert between information appropriate to power line communication and information appropriate to communication other than the power line communication and mounted on the first circuit board, and a plurality of first terminals formed on the first circuit board. The plurality of first terminals is connected to a second circuit board included in the electric component. |
| US11070250B2 |
Method and apparatus for calibrating waveguide systems to manage propagation delays of electromagnetic waves
Aspects of the subject disclosure may include, a system that facilitates determining from a training session with a waveguide system that one or more polarized modes of electromagnetic waves propagating along a transmission medium are experiencing differing propagation delays and adjusting a coupler to mitigate the differing propagation delays. Other embodiments are disclosed. |
| US11070249B2 |
Controlling communications in respect of local area networks
Methods, apparatus and devices are disclosed for controlling communications in respect of local area networks (20) having user-devices (22, 23, 24, 25) located therein operable to communicate via a local area network (LAN) gateway device (30) with remote devices in a communications network (10,15) outside the LAN (20), communications being carried via one or more LAN links (28) for at least a portion of a path between user-devices (22, 23, 24, 25) and the gateway device (30), and being carried via a digital subscriber (xDSL) line (19) for at least a portion of a path between the gateway device (30) and the remote devices. The method comprises monitoring digital subscriber line performance characteristics in respect of data communications on the xDSL line (19) whereby to identify changes therein; monitoring data flow rate in respect of data flows on LAN links (28) whereby to identify changes therein; and adjusting the data flow rate in respect of the data flows in the event that identified changes in digital subscriber line performance characteristics coincide with identified changes in data flow rate. |
| US11070246B2 |
Digital radio communication
A method of operating a digital radio receiver comprising: receiving a radio signal; passing said radio signal to a correlator for correlating said radio signal with a predetermined pattern to provide an output signal comprising a plurality of peaks separated in time; determining an amplitude of a first peak in the plurality of peaks; calculating a selection threshold based on said first peak amplitude; determining an amplitude of a second peak in the plurality of peaks; comparing said second peak amplitude to the selection threshold; and identifying the second peak as a correlation peak if the second peak amplitude is greater than the selection threshold. |
| US11070245B1 |
System and method for single-carrier multiple access transmission
A transmission method, and corresponding transmitter are provided that use a combination of sparse symbol mapping with non-sparse spreading. This can be used for a low-PAPR multiple access scheme where good performance is achieved by sparse domain multi-user detection. The provided method uses per-frequency block time-domain non-sparse spreading across sparse blocks which provides PAPR reduction. Sparsity patterns are partitioned into groups that allows PAPR reduction. The method may be used to support the transmission of a single-carrier signal, e.g. DFT-spread signal, to provide PAPR reduction. More generally the provided method can use any low-PAPR waveform, for example any single-carrier waveform or any single-subcarrier waveform. |
| US11070236B2 |
Parallel bit interleaver
A bit interleaving method involves applying a bit permutation process to a QC-LDPC codeword made up of N cyclic blocks each including Q bits, and dividing the codeword after the permutation process into a plurality of constellation words each including M bits, the codeword being divided into F×N/M folding sections, each of the constellation words being associated with one of the F×N/M folding sections, and the bit permutation process being applied such that each of the constellation words includes F bits from each of M/F different cyclic blocks in a given folding section associated with a given constellation word. |
| US11070233B2 |
Data processing device and data processing method
The present technology relates to a data processing device and a data processing method, which are capable of securing excellent communication quality in data transmission using an LDPC code. In group-wise interleave, an LDPC code in which a code length N is 16200 bits and an encoding rate r is 12/15, 6/15, or 8/15 is interleaved in units of bit groups of 360 bits. In group-wise deinterleave, a sequence of the LDPC code that has undergone the group-wise interleave is restored to an original sequence. For example, the present technology can be applied to a technique of performing data transmission using an LDPC code. |
| US11070231B2 |
Reducing storage of blockchain metadata via dictionary-style compression
A method of reducing the storage requirements of blockchain metadata via dictionary-style compression includes receiving a request to add a transaction block to a blockchain. The method further includes determining an identifier (ID) of a dictionary block most recently stored on the blockchain. The method further includes compressing, by a processing device, one or more transactions of the transaction block based on the dictionary block to generate a compressed transaction block. The method further includes adding the ID of the dictionary block to the compressed transaction block. The method further includes providing the compressed transaction block, including the ID of the dictionary block, for storage on the blockchain. |
| US11070229B1 |
Codeword generator
A method for generating codewords, the method may include obtaining an input tree, converting the input tree to a modified tree in which each symbol score is a power of two, wherein the conversion is responsive to a relationship between the aggregate count of symbols of the input tree and to a certain power to two that is a smallest power of two that exceeds the aggregate count of symbols; and assigning a codeword to each symbol based at least on the symbol counts associated with the leaves of the modified tree. |
| US11070228B1 |
Data compressor and data compression method
A data compressor with a hash computing hardware configured to evaluate the hash value for the current hash key extracted from a source data string, obtain a hash line corresponding to the hash value from a hash table, and perform hash key comparison to find at least one matching hash key. The hash line includes a prefix address column that stores a prefix address. Each entry of the hash line is provided to store a hash key and an offset. The hash computing hardware evaluates an address of the at least one matching hash key by combining the prefix address and an offset of the at least one matching hash key, and the offset of the at least one matching hash key is obtained from an entry storing the at least one matching hash key. |
| US11070224B1 |
Method and apparatus for implementing multirate SerDes systems
A method for providing back-compatibility for rational sampling rate disparities between two circuitries, comprises: a) providing a Phase Locked Loop (PLL) operating at a rate different than that of the Symbols generator, which is coupled to a Digital to Analog Converter (DAC) or an Analog to Digital Converter (ADC); b) providing an interpolation filter coupled to said converter, which filter is adapted to perform sampling rate conversion operations on the samples using zero-stuffing, filtering, and decimation, or the like computation-saving algorithm; and c) obtaining the sampling of the symbols at the required and compatible rate. |
| US11070223B2 |
Wireless receiver with decoupled encoder and decoder rates
The disclosed apparatus, structures, and methods are directed to a wireless receiver. The configurations presented herein employ a structure operative to receive a plurality of analog signals, a signal encoder configured to encode the plurality of received analog signals into a single encoded analog composite signal based on a coding scheme operating under a first code rate, a signal reconstruction module configured to segregate and reconstruct the single encoded digital composite signal into a re-encoded digital composite signal in accordance with the coding scheme operating under a second code rate. In addition, a signal decoder configured to decode the digital composite signals based on the coding scheme operating under the second code rate, and to output digital signals, in which each digital signal in the plurality of digital signals corresponds to a respective analog signal of the plurality of received analog signals. |
| US11070222B2 |
Successive-approximation analog-to-digital converter
Disclosed is a SAR ADC (Ai) having an input for receiving an input voltage, a comparator, a first switch network configured to be controlled by the SAR state machine and connected to the input of the SAR ADC and to reference voltage nodes, and a first capacitor network. The first capacitor network has a first node connected to an input of the comparator, a second node, and a bridge capacitor (Cb) connected between the first node and the second node. Furthermore, the first capacitor network comprises a first set of capacitors having a first and a second terminal, wherein the first terminal of each capacitor in the first set is connected to the first node and the second terminal of each capacitor in the first set is connected to the switch network. Moreover, the first capacitor network comprises a second set of capacitors having a first and a second terminal, wherein the first terminal of each capacitor in the second set is connected to the second node and the second terminal of each capacitor in the first set is connected to the switch network. The SAR ADC further comprises a second capacitor network configured to control a gain of the SAR ADC. |
| US11070221B1 |
Analog to digital converter device and method for calibrating clock skew
An analog to digital converter (ADC) device includes ADC circuits, a calibration circuit, and a skew adjusting circuit. The ADC circuits convert an input signal according to interleaved clock signals, in order to generate first quantized outputs. The calibration circuit performs at least one calibration computation according to the first quantized outputs to generate second quantized outputs. The skew adjusting circuit determines maximum value signals, to which the second quantized outputs correspond in a predetermined interval, and averages the maximum value signals to generate a reference signal, and compares the reference signal with each of the maximum value signals to generate detecting signals, and determines whether the detecting signals are adjusted or not according to a signal frequency to generate adjusting signals, in order to reduce a clock skew in the ADC circuits. |
| US11070220B2 |
Correction device for A/D converter and A/D conversion device
The value range for which an error in a digital signal can be corrected is expanded. A control unit generates characteristic information indicating the relationship between an input and an output of an A/D converter and sets a value range. The control unit, in a case in which a value indicated by a first digital signal obtained by the A/D converter converting a first analog voltage signal is within the value range, A/D converts the first analog voltage signal and generates corrected digital information on the basis of the first digital signal and characteristic information, and in a case in which a value indicated by the first digital signal is not within the value range, A/D converts the first analog voltage signal and generates corrected digital information on the basis of a second digital signal obtained by the A/D converter converting the second analog voltage signal and characteristic information. |
| US11070212B2 |
Oscillator, electronic apparatus and vehicle
Provided is an oscillator including: a first resonator; a second resonator; a first oscillation circuit generating a first oscillation signal by oscillating the first resonator; a second oscillation circuit generating a second oscillation signal that has frequency-temperature characteristics different from frequency-temperature characteristics of the first oscillation signal by oscillating the second resonator; a clock signal generation circuit generating a clock signal with a frequency that is temperature compensated by temperature compensation data; and a processing circuit performing time digital conversion processing based on the first oscillation signal and the second oscillation signal, and obtaining the temperature compensation data based on measurement data of the time digital conversion processing. |
| US11070211B2 |
Event counter circuits using partitioned moving average determinations and related methods
An event counter circuit can be configured to monitor operation of a system where a moving average register circuit can be configured to store a moving average value updated in each cycle of operation of the system by adding a number of system events occurring during a current cycle of the system operation to either 1) a current moving average value stored in the moving average register circuit or 2) a keep value generated by partitioning the current moving average value into the keep value and a transfer value representing system events not included in a determination of the moving average value for subsequent cycles of operation of the system. |
| US11070208B2 |
Level shifter
A voltage level shifter for an SRAM device includes a level shifter input and provides a second voltage level. A voltage input terminal receives a first signal at a first voltage level and an inverter having an input and an output with the voltage input terminal is connected to the inverter input. A first voltage selector selectively applies an intermediate voltage to the gate of a PMOS transistor in a first complementary pair when the voltage of a complementary level shift output voltage rises to a logical 1 and a second voltage selector applies the intermediate voltage to the gate of a PMOS transistor in a second complementary pair when the voltage of the level shift output voltage node rises to a logical 1. The PMOS transistor current is thereby reduced resulting in lower energy dissipation and supporting a larger voltage separation between the first and second voltage levels. |
| US11070206B2 |
Logic circuit
A logic circuit includes an inverter that outputs from an output terminal a signal created by inverting the logic of a signal input into an input terminal, a first transistor that is connected to the input terminal in such a way as to maintain an OFF state, and a second transistor that is connected to the output terminal in such a way as to maintain an OFF state. |
| US11070205B1 |
Glitch-free multiplexer
When a signal glitches, logic receiving the signal may change in response, thereby charging and/or discharging nodes within the logic and dissipating power. Providing a glitch-free signal may reduce the number of times the nodes are charged and/or discharged, thereby reducing the power dissipation. A technique for eliminating glitches in a signal is to insert a storage element that samples the signal after it is done changing to produce a glitch-free output signal. The storage element is enabled by a “ready” signal having a delay that matches the delay of circuitry generating the signal. The technique prevents the output signal from changing until the final value of the signal is achieved. The output signal changes only once, typically reducing the number of times nodes in the logic receiving the signal are charged and/or discharged so that power dissipation is also reduced. |
| US11070204B2 |
Driver circuit capable of detecting abnormality of capacitive load
A driver circuit driving a plurality of capacitive loads includes: a plurality of output terminals to which the plurality of capacitive loads are to be connected; a plurality of drivers corresponding to the plurality of output terminals, each of the plurality of drivers being configured to generate a drive signal to be applied to each of the plurality of capacitive loads respectively corresponding to the plurality of drivers; and a capacitance detection circuit configured to detect a capacitance associated with each of the plurality of output terminals. |
| US11070203B2 |
Dual bootstrapping for an open-loop pulse width modulation driver
A driver system may include a first n-type field-effect transistor coupled at its non-gate terminals between an output of the driver system and a first terminal of a supply voltage and configured to drive the output when the first n-type field-effect transistor is activated, a second n-type field-effect transistor coupled at its non-gate terminals between an output of the driver system and a second terminal of the supply voltage and configured to drive the output when the second n-type field-effect transistor is activated, a high-side capacitor coupled to the output of the driver system, and a low-side capacitor coupled to the second terminal of the supply voltage, wherein the high-side capacitor and the low-side capacitor are configured to track and correct for mismatches between a first resistance of the first n-type field-effect transistor and a second resistance of the second n-type field-effect transistor. |
| US11070202B2 |
Signal transmission circuit, switch driving device, and power module
A filter circuit includes a first rise delay circuit that delays a rising time of a first shifted signal by a predetermined time for output and a first fall delay circuit that delays a falling time of a second shifted signal by a predetermined time for output. The first rise delay circuit is configured so that a second rise delay signal does not follow a change in a first voltage toward a decreasing side and follows a change in the first voltage toward an increasing side. The first fall delay circuit is configured so that a second fall delay signal does not follow a change in the first voltage toward a decreasing side and follows a change in the first voltage toward an increasing side. |
| US11070201B2 |
Apparatus for controlling an electronic switching unit
An apparatus for permanently controlling an electronic switching unit, the apparatus including a controlling driver unit for supplying a control signal to the electronic switching unit using a charge storage device, and a charging driver unit for recharging the charge storage device. |
| US11070200B2 |
Duty cycle correction system and low dropout (LDO) regulator based delay-locked loop (DLL)
An apparatus is provided, where the apparatus includes a plurality of components; a first circuitry to generate a clock signal, and to supply the clock signal to the plurality of components; a second circuitry to estimate, for each of two or more components of the plurality of components, a corresponding duty cycle of the clock signal received at the corresponding component, wherein two or more duty cycles corresponding to the two or more components are determined; a third circuitry to determine an average of the two or more duty cycles; and a fourth circuitry to correct a duty cycle of the clock signal generated by the first circuitry, based at least in part on the average. |
| US11070199B2 |
Detecting peak laser pulses using control signal timings
In certain embodiments, a system for detecting a peak laser pulse includes a laser, a photodiode configured to detect pulses emitted by the laser, and circuitry for detecting a peak pulse timing of the laser. The circuitry is configured to receive a periodic series of voltage signals based on laser pulses detected by the photodiode, stretch the voltage signals, and obtain sampled voltages from the stretched voltage signals using periodic control signals. The circuitry is further configured to shift the timing of the periodic control signals, compare the sampled voltages for respective timings of the control signals, and select an optimal control signal timing based on the comparison. |
| US11070198B2 |
Loop independent differential hysteresis receiver
A delay independent differential hysteresis receiver. The differential hysteresis receiver uses two parallel paths in a first receiver stage, each path having a comparator with a dedicated offset on the complimentary inputs. A second receiver stage includes a hold circuit that brings the two parallel paths of the first receiver stage together to form a receiver hysteresis output. |
| US11070195B2 |
Acoustic wave filter and multiplexer
An acoustic wave filter includes a piezoelectric substrate, first and second input-output terminals, and a longitudinally coupled resonator unit in a path connecting the first and second input-output terminals to each other, and the resonator unit includes five or more interdigital transducer electrodes aligned in an acoustic wave propagation direction, the IDT electrodes include a center IDT electrode at the center in the propagation direction and first and second IDT electrodes at symmetric or substantially symmetric positions in the propagation direction with respect to the center IDT electrode, each of the first and second IDT electrodes includes a main pitch portion and a pair of narrow-pitch portions provided between the main pitch portion and both ends of the IDT electrode in the propagation direction, and the first and second IDT electrodes differ from each other in the number of electrode fingers of the main pitch portion. |
| US11070192B2 |
Torsional mode quartz crystal device
The disclosed technology generally relates to quartz crystal devices and more particularly to quartz crystal devices configured to vibrate in torsional mode. In one aspect, a quartz crystal device configured for temperature sensing comprises a fork-shaped quartz crystal comprising a pair of elongate tines laterally extending from a base region in a horizontal lengthwise direction of the fork-shaped quartz crystal, wherein each of the tines has formed on one or both of opposing sides thereof a pair of vertically recessed groove structures laterally elongated in the horizontal lengthwise direction, wherein the pair of groove structures are separated in a horizontal widthwise direction by a line structure. The quartz crystal device further comprises a first electrode and a second electrode formed on the one or both of the opposing sides of each of the tines and configured such that, when an electrical bias is applied between the first and second electrodes, the fork-shaped quartz crystal vibrates in a torsional mode in which each of the tines twists about a respective axis extending in the horizontal lengthwise direction. |
| US11070189B2 |
Joint and elastic wave element
A bonded body includes a supporting substrate, a piezoelectric single crystal substrate and a bonding layer provided between the supporting substrate and piezoelectric single crystal substrate. The bonding layer has a composition of Si(1-x)Ox (x represents an oxygen ratio). The oxygen ratio x at a central part in a thickness direction of the bonding layer is higher than an oxygen ratio x at an end part of the bonding layer on a side of the piezoelectric single crystal substrate and an oxygen ratio x at an end part of the bonding layer on a side of the supporting substrate. The oxygen ratio at the central part in the thickness direction of the bonding layer is 0.013 or higher and 0.666 or lower. |
| US11070186B2 |
Electronic filter intended to filter the supply power of an electric motor
The invention relates to an electronic filter (100), intended to filter the supply power for electrical equipment, notably placed inside a motor vehicle, comprising: a busbar (10) intended to exchange electrical energy between an electrical power supply source and an electric machine, the busbar (10) comprising: at least one leadframe (12, 14) intended to transmit an electrical current between an electrical network and the electric machine, the at least one leadframe (12, 14) being partly overmolded with electrically insulating material, and an inductor (18) electrically connected to the at least one leadframe (12, 14), characterized in that the electronic filter (100) comprises: an electronic board (30) comprising at least one capacitor (32a-32h), the at least one capacitor (32a-32h) of the electronic board (30) being electrically connected to a connection terminal (24, 26) of the at least one leadframe (14, 12) of the busbar (10). |
| US11070181B2 |
Push-pull output driver and operational amplifier using same
A voltage driver circuit for an output stage of an operational amplifier, or other circuits, includes a level shifter and an output driver including a source follower and a common source amplifier in a push-pull configuration. The level shifter generates a node voltage as a function of an input voltage on the input node. The output driver including a first transistor having a control terminal receiving the node voltage, and connected between a supply voltage and an output node, and a second transistor having a control terminal receiving the input voltage from the input node, and connected between the output node and a reference voltage, wherein the first and second transistors have a common conductivity type. |
| US11070180B2 |
Class AB buffer with multiple output stages
A class AB buffer includes an output stage and an input stage. The output stage includes a first output transistor and a second output transistor. The second output transistor is coupled to the first output transistor. The input stage is coupled to the output stage. The input stage includes a first cascode transistor, a first switch, a second cascode transistor, and a second switch. The first switch is coupled to the first cascode transistor and the first output transistor. The second switch is coupled to the first switch, the second cascode transistor, and the first output transistor. |
| US11070177B2 |
Minimizing crossover distortion in a class B current driver
A system may include an output stage comprising a single-ended driver for driving a load at an output of the output stage, a loop filter coupled at its input to the output of the output stage and configured to minimize an error between a target current signal received by the loop filter and an output current driven on the load, and control circuitry configured to, when the load current is driven in a manner such that the load current changes polarity, reset a state variable of the loop filter. |
| US11070175B2 |
Power amplification module
A power amplification module includes: a first bipolar transistor in which a radio frequency signal is input to a base and an amplified signal is output from a collector; a second bipolar transistor that is thermally coupled with the first bipolar transistor and that imitates operation of the first bipolar transistor; a third bipolar transistor in which a first control voltage is supplied to a base and a first bias current is output from an emitter; a first resistor that generates a third control voltage corresponding to a collector current of the second bipolar transistor at a second terminal; and a fourth bipolar transistor in which a power supply voltage is supplied to a collector, the third control voltage is supplied to a base, and a second bias current is output from an emitter. |
| US11070170B2 |
Oscillator circuit arrangement
An oscillator circuit arrangement comprises an inverter having input and output terminals that are to be connected to a crystal device. An automatic gain control device controls a current source that supplies current to the inverter. First and second diode devices having different orientation are connected between the input and the output of the inverter. The oscillator consumes low power and has a fast recovery time after an electromagnetic interference event. The oscillator can be used in electronic labels. |
| US11070165B2 |
Autonomous and movable device for generating, storing and distributing electrical power to dedicated movable batteries
The invention relates to an autonomous and movable device (1) for generating, storing and distributing electrical power, comprising means (2) for generating electrical power, namely photovoltaic panels (20), resting on at least one supporting element (3), namely a standardized shipping container (3 qql, 32). The latter encloses internal means (6) for storing the electrical power generated by said generating means (2), said supporting element (3) also enclosing means for converting signals generated by the generating means (2) into signals suitable for supplying power to the storing means, and at least one electrical connector (8) for connecting external power-storing devices. The supporting element (3) also incorporates a controlling system comprising means for managing the storage and distribution of the power generated by said generating means (2), said means being connected to sensors for measuring operating parameters with which a plurality of elements of the device are equipped, and electronic telecommunication means. |
| US11070163B2 |
Driving power supply device
An amplitude of current ripples on a primary side of a power supply device that uses a plurality of transformers is reduced. A driving power supply device (7) that supplies electric power to a plurality of drive circuits (2) that individually drive switching elements (3) of an inverter (10) includes a plurality of transformers (L) having secondary-side coils (Ls) which are individually connected to the respective corresponding drive circuits (2); a plurality of transformer driving units (5) each including a driving switching element (M) that controls supply of electric power to a primary-side coil (Lp); and a power supply control device (6) that provides transformer drive signals (MG) for driving the transformer driving units (5). The power supply control device (6) drives the transformer driving units (5) by transformer drive signals (MG) having different phases. |
| US11070162B2 |
AC/DC power tool
A power tool is provided with a multi-phase brushless motor including a rotor and a stator having stator windings corresponding to at least three phases of the motor. A power switch circuit is provided including high-side and low-side power switches. A power supply interface receives alternating-current (AC) power from an AC power supply or battery direct-current (DC) power from one or more battery packs. A rectifier converts the AC power to a rectified DC voltage on a bus line. A capacitor is disposed across the bus line such that, within each half cycle of the AC power voltage waveform, the power switch circuit draws current from the AC power supply within a first time period and from the capacitor within a second time period, the capacitor having a capacitance value such that the first time period is greater than the second time period. |
| US11070160B2 |
Electric power tool
An electric power tool includes: a brushless motor having a plurality of stator windings and configured to rotate in accordance with voltages applied to the plurality of stator windings, an induced voltage being generated in accordance with a rotation of the brushless motor; a rectifier circuit configured to rectify an AC voltage; a smoothing capacitor configured to smooth the AC voltage rectified by the rectifier circuit to a pulsation voltage having a maximum value larger than the induced voltage and a minimum value smaller than the induced voltage; and an inverter circuit configured to perform switching operations to output the pulsation voltage to the plurality of stator windings by rotation. |
| US11070158B2 |
Rotary electric machine control apparatus
A rotary electric machine control apparatus is provided which controls energization of a rotary electric machine having a plurality of winding sets. The apparatus includes an energization control circuit that is provided for each of the winding sets and has a switching element related to switching of energization to the winding set, a driver circuit that outputs a drive signal to the switching element through a signal line connected to the switching element, and a protection element that is connected to the signal line and in parallel with the switching element. When combinations of the winding sets and electronic components including the energization control circuit provided for each of the winding sets are regarded as systems, in at least one of the systems, performance of the protection element is differentiated from that in the other system to make noise resistance different from noise resistance in the other system. |
| US11070157B2 |
Motor drive unit, compressor, and air conditioner
An electric motor drive unit includes a winding switching unit that switches a configuration of windings of an electric motor, a winding switching instruction unit that generates an instruction signal for the winding switching unit, and a winding configuration retention unit to which the instruction signal generated by the winding switching instruction unit is input, and if the input instruction signal has a first value, outputs a signal corresponding to the input instruction signal to the winding switching unit, and if the input instruction signal has a second value different from the first value, continues outputting a signal that has been output to the winding switching unit before the reception of the second value, the first value indicating an instruction on the configuration of the windings. |
| US11070154B2 |
Engine generator
A switch can connect or disconnect a generator and a supply unit. A control unit controls an engine in one of a plurality of control states including a power generation state, a first standby state and a second standby state. When an acceptance unit accepts a switching instruction from the first standby state to the second standby state, the control unit controls the switch to disconnect the generator and the supply unit, and reduces the engine speed of the engine from an engine speed in the first standby state to an engine speed in the second standby state. |
| US11070153B2 |
Linear motor track system with automatic gravity detection
A mover is configured to be electromagnetically propelled along a track in a linear motor track system with a force that is calculated to include compensation for gravity. A multi-axis accelerometer arranged in each segment of the track can detect an orientation or angle of the track segment for determining gravity with respect to the particular section. As a result, if the track is at an incline, such as a ramp, a desired force for moving a mover along the track can be compensated to include gravity due to the incline for achieving a desired motion result. In addition, the detected orientation of the track can be compared to an expected orientation stored by a control program to avoid a loss of performance due to physical changes in the track not matching an expected/programmed configuration of the track. |
| US11070152B2 |
Optical driving mechanism
An optical driving mechanism is provided, disposed in an electronic device, including a movable portion, a fixed portion, and a sensing assembly. The movable portion has a holder configured to sustain an optical element. The fixed portion is affixed in the electronic element and connects to the movable portion, wherein the movable portion is movable relative to the fixed portion by applying a magnetic force. The sensing assembly has a coil and a magnetic element configured to sense the relative positions of the movable portion and the fixed portion. |
| US11070151B2 |
Systems and methods for calculating motor position, inertia and rest position in sensorless brushed DC motor control systems
A system according to the present disclosure includes a motor driver module and a motor position determination module. The motor driver module is configured to measure current supplied to a motor. The motor position determination module is configured to determine a first position of the motor at a first time when power supply to the motor is initially discontinued based on ripples in the current supplied to the motor during a first period before the first time. The motor position determination module is configured to determine a second position of the motor at a second time when the motor stops rotating after power supply to the motor is discontinued based on the first position of the motor and a rotational speed of the motor at the first time. |
| US11070148B2 |
Triboelectric nanogenerator structure, sensing system and disinfecting system
A triboelectric nanogenerator structure is provided. The triboelectric nanogenerator structure is composed of an upper electrode layer, a lower triboelectric layer, a lower electrode layer and an electric connecting member. The upper electrode layer is composed of a hybrid gel. The lower triboelectric layer corresponding to the upper electrode layer has a first surface and a second surface, and the first surface faces toward the upper electrode layer. The lower electrode layer is disposed at the second surface. The electric connecting member connects the upper electrode layer to the lower electrode layer. |
| US11070147B2 |
Resonant inverter apparatus
A resonant inverter apparatus supplies a high AC voltage to a discharge load. In this apparatus, an inverter circuit converts a DC voltage to an AC voltage using a plurality of switching elements. A transformer steps up the AC voltage and generates a high AC voltage. A DC voltage detecting unit detects a value of a DC voltage supplied to the inverter circuit. A control unit generates a driving pulse for performing on/off switching of the switching elements. The switching elements include first and second switching elements. The control unit performs phase angle control of the driving pulse. In response to the detected value of the DC voltage being greater than a reference value, the control unit sets a switching phase angle of the second switching element relative to the first switching element serving as reference, based on the magnitude of the valued of the DC voltage. |
| US11070145B2 |
Power conversion control method and power conversion control device
Provided is a power conversion control method including: calculating a pre-switching pulse time being a time from a first conductive state switching timing being a conductive state switching timing of a second bridge circuit immediately before a predetermined carrier wave switching timing, to the carrier wave switching timing; calculating a post-switching pulse time being a time from the carrier wave switching timing to a second conductive state switching timing being an initial conductive state switching timing after the carrier wave switching timing; when a conductive state of the second bridge circuit is not switched at the carrier wave switching timing, determining that switching of the carrier wave is disabled when the sum of the pre-switching pulse time and the post-switching pulse time is less than a predetermined pulse time sum threshold value; and when the conductive state of the second bridge circuit is switched at the carrier wave switching timing, determining that the switching of the carrier wave is disabled when the pre-switching pulse time or the post-switching pulse time is less than a predetermined pulse time threshold value. |
| US11070144B2 |
Converter provided with a circuit for managing alternating power in an alternating part
The invention relates to a multi-level modular converter provided with a control circuit comprising a computer to calculate an internal control setpoint of the converter and an energy management circuit allowing a power setpoint to be determined that is to be transmitted to the alternating electrical power supply network, the control circuit being configured to regulate the voltage at the point of connection of the converter to the direct electrical power supply network and to regulate the voltage at the terminals of each capacitor modelled as a function of the internal control setpoint and of the power setpoint to be transmitted to the alternating electrical power supply network. |
| US11070142B2 |
Power conversion device with control of switching element based on current detection
A power conversion device includes a single-phase full-wave rectifying unit, an electrolytic capacitor, a plurality of chopper circuits that are arranged between the single-phase full-wave rectifying unit and the electrolytic capacitor, each of the chopper circuits including a reactor, a first MOSFET connected in parallel with the single-phase full-wave rectifying unit, and a second MOSFET connected to a positive terminal of the electrolytic capacitor at one end and to the reactor and the first MOSFET at the other end, a first current detecting unit to bidirectionally detect a current flowing through the reactor, and a control unit to control an operation of the first MOSFET by using the detection result from the first current detecting unit. |
| US11070141B2 |
Hybrid multilevel inverter topology with reduced switch count and dc voltage sources
A single-phase hybrid multilevel inverter capable of producing a higher number of output voltage levels using fewer power switches and DC voltage sources compared to existing multilevel inverters. The levels are synthesized by switching the DC voltage sources in series/parallel combinations. An auxiliary circuit is introduced to double the number of levels by creating an intermediate step in between two levels. In addition, a zero level is introduced to overcome the inherent absence of this level in the original circuit. To improve the total harmonic distortion, a hybrid modulation technique is utilized. A 300 W, a thirteen level multilevel inverter (including the zero level) was designed and constructed. The circuit was tested with a no-load, resistive load and resistive-inductive load. The experimental results closely match simulated and mathematical analyses. |
| US11070140B2 |
Low inductance bus assembly and power converter apparatus including the same
An apparatus, such as a power converter, includes first, second and third core bus plates arranged in parallel. The apparatus also includes a first bus extension plate joined to the first core bus plate and extending therefrom at a first angle and a second bus extension plate joined to the second core bus plate and extending therefrom at a second angle. The apparatus further includes a third bus extension plated joined with the third core bus plate and disposed parallel to the first bus extension plate and a fourth bus extension plate joined with the third core bus plate and disposed parallel to the second bus extension plate. |
| US11070134B2 |
Control method for DC/DC converter and DC/DC converter
A control method for a DC/DC converter and a DC/DC converter are provided. The method includes: providing a primary side driving signal to drive one or more primary side switches of the primary side circuit; providing a sixth signal, a fifth signal, a seventh signal and an eighth signal, where a phase shift angle exists between the sixth signal and the primary side driving signal, and the sixth signal, the fifth signal, the seventh signal and the eighth signal in turn have a predetermined phase difference; driving a sixth switch, a fifth switch, a seventh switch and an eighth switch according to the sixth signal, the fifth signal, the seventh signal and the eighth signal, respectively; where the switching frequency of the sixth signal, the fifth signal, the seventh signal or the eighth signal is half of the switching frequency of the primary side driving signal. |
| US11070131B2 |
Methods, apparatus and circuits to control timing for hysteretic current-mode boost converters
Examples to control timing for current-mode boost converters are disclosed. An example device to control timing includes a first input terminal to receive an input voltage of a current-mode boost converter a second input terminal to receive an output voltage of the current-mode boost converter, a generator to generate a first timing signal from the input voltage and the output voltage, a third input terminal to receive a second timing signal from the current-mode boost converter, a selector to select between the first on_off time signal and the second on_off time signal to generate a third on_off time signal based on a comparison of a first off time duration of the first on_off time signal and a second off time duration of the second on_off time signal, and an output terminal to control off times of the current-mode boost converter based on the third on_off time signal. |
| US11070129B2 |
Ultra low-voltage circuits
An ultra-low voltage inverter includes a first inverter, a second inverter, and third inverter. The first inverter receives an input from a delay cell and generates an output for a subsequent delay cell. The second inverter is coupled to the first inverter. The third inverter is coupled to the first inverter, wherein outputs of the second and third inverters are coupled to source terminals of a p-type transistor and an n-type transistor of the first inverter, respectively. The ultra-low voltage inverter forms a delay cell, which is a building block of an ultra-low voltage ring-oscillator. A NAND gate is formed using three inverters such that outputs of two inverters are coupled to the p-type transistors of the NAND gate, while an output of the third inverter of the three inverters is coupled to an n-type transistor of the NAND gate. |
| US11070128B2 |
Charge pump regulation circuit to increase program and erase efficiency in nonvolatile memory
A charge pump circuit generates a charge pump output signal at a first node and is enabled by a charge pump control signal. A diode has first and second terminals coupled to first and second nodes. A comparator has an inverting input coupled to the second node and a non-inverting input coupled to a third node, and causes generation of the charge pump control signal. A first current mirror produces a first current at the second node, and a second current mirror produces a second current (equal in magnitude to the first current) at the third node. The first terminal and second terminals may be a cathode and an anode. The first current mirror may be a current sink sinking a first current from the second node. The second current mirror may be current source sourcing a second current (equal in magnitude to the first current) to the third node. |
| US11070124B2 |
Power conversion device
A power conversion device in one embodiment includes power conversion circuitry having a plurality of converter cells connected in series to each other. Each converter cell includes an energy storage device and is configured to be capable of discharging stored energy. A control device is configured to generate a control command for controlling operation of each converter cell. A protection device is configured to generate a protection command for instructing whether to cause each converter cell to operate based on the control command or to stop operation of each converter cell regardless of the control command. A repeating device is configured to generate a control-and-protection command that is a combination of control information based on the control command and protection information based on the protection command, and output the generated control-and-protection command to each converter cell. |
| US11070116B2 |
Rotor for a rotating electrical machine
A rotating electrical machine of the double stator configuration includes a rotor shaped as a hollow cylinder disposed concentrically between an outer stator and an inner stator. The rotor can include plurality of radially spaced magnet cavities configured to receive permanent magnetic bars. To provide sufficient stiffness and rigidity, the rotor may be made from fiber composite material. To simplify construction, the rotor can be assembled from a plurality of rotor segments radially arranged about an axis line in which the magnet cavities are disposed. |
| US11070114B2 |
Shaft-grounding ring
The invention relates to a shaft-grounding ring which is used to remove induced voltages or electric charges from a first machine element (68), preferably from a shaft, into a second machine element (69) and has an annular housing (1), which consists of electrically conductive material and is conductively connected to the one machine element (68, 69) and has an electrically conductive connection to at least one discharging element (8). The discharging element consists of an electrically conductive material and has an electrically conductive connection to the other machine element. The discharging element (8) is a disk-shaped discharging body that extends at least over part of the circumference thereof. |
| US11070108B2 |
Electromagnetic rotary drive and a rotational device
An electromagnetic rotary drive includes a ring-shaped magnetically effective core arranged around a stator and has a magnetic central plane. The stator is a bearing and a drive stator, with which, the rotor is contactlessly magnetically drivable about an axis of rotation, and with which the rotor is contactlessly magnetically levitatable with respect to the stator. The rotor actively magnetically levitated in a radial plane perpendicular to an axial direction, and passively magnetically stabilized in the axial direction and against tilting. The rotor includes a magnetically effective bearing ring arranged radially externally disposed and spaced from the magnetically effective core, and a bearing stator having a magnetically effective stator ring interacts with the bearing ring. The bearing stator is configured such that the stator ring passively magnetically stabilizes the rotor against tilting, and the bearing ring is connected to the magnetically effective core of the rotor via a connecting element. |
| US11070104B2 |
Stator of an electrical machine, an electrical machine, and method for producing same
The invention relates to a stator (16) of an electrical machine (10), to an electrical machine (10), and to a method for producing same, particularly for adjusting movable parts in a motor vehicle, comprising a pole casing (15) to the inner wall (115) of which winding holders (36) carrying electric coils (17) are applied, the winding holders (36) comprising a stator tooth (120) which is formed on a yoke element (118) which is radially applied to the inner wall (115), and an insulating mask (61) is arranged on the winding holder (36), which insulates the electric coil (17) from the winding holder (36), and the insulating mask (61) extends with an axial projection (102) axially over the yoke element (118), the axial projection (102) being radially applied to the inner wall (115) of the pole casing (15) with a shoulder (108) extending in the peripheral direction (2). |
| US11070102B2 |
Motor using printed circuit board and method for manufacturing the same
A motor using a printed circuit board may include: a first base part forming a first circuit board on which a coil pattern is printed; a second base part forming a second circuit board on which the coil pattern is printed, the second base part spaced apart from the first base part; and a plurality of side parts forming side circuit boards on which the coil pattern is printed, the plurality of side parts connected to the first base part and the second base part, respectively, such that the coil pattern successively connects the first base part, the second base part, and the plurality of side parts. |
| US11070094B2 |
Apparatus and method for wireless power transmission
A wireless power transmission method includes: receiving a communication signal from a wireless power receiver; determining, based on the communication signal, phases of polarization channels of a reference antenna array, at which the wireless power receiver receives maximum power; determining, by activating a first antenna array together with the reference antenna array, phases of polarization channels of the first antenna array such that the wireless power receiver receives maximum power; determining, by deactivating the first antenna array and activating a second antenna array together with the reference antenna array, phases of polarization channels of the second antenna array such that the wireless power receiver receives maximum power; and transmitting, to the wireless power receiver, a power signal generated by using the antenna arrays, the phases of which are determined. |
| US11070091B2 |
Wireless power transfer based on transmitter coil voltage sensing
In a wireless power transfer system for supplying power to a wireless device, e.g., charging a battery, wireless power transmitter coil voltage is used in place of coil current for communication and power control reference. The transmitter coil voltage waveforms provide phase information, with reference to the pulse width modulation (PWM) waveforms, that can be used to demodulate digital packet communication from a wireless power receiver used to provide a voltage to a device. The DC voltage amplitude of the wireless power transmitter coil is used for controlling the power injected to the wireless power receiver coil, while the phase of the transmitter coil voltage PWM signal is used for demodulation of signal packets from the wireless power receiver to control the transmitter coil voltage and thereby wireless power transfer to the power receiver. |
| US11070090B2 |
Resonance-type contactless power supply, integrated circuit and constant voltage controlling method therefor
The present disclosure relates to a resonance-type contactless power supply, an integrated circuit and a constant voltage control method. The resonance-type contactless power supply includes an inverter, a transmitter-side resonant circuit, a receiver-side resonant circuit, a rectifier circuit, and an output capacitance. In this resonance-type contactless power supply, the inverter receives electric energy, which is transferred to the rectifier circuit in a first state and is not transferred to the rectifier circuit in a second state. By switching between the first state and the second state, the resonance-type contactless power supply is controlled to provide a relatively constant voltage, and can be electrically coupled directly to a constant-voltage-type load. |
| US11070085B2 |
Methods and apparatus for regulating a magnetic flux in an inductive power supply
Aspects of the subject disclosure may include, supplying an alternating voltage waveform to a winding coupled to a magnetic core of an inductive power supply to regulate an alternating magnetic flux in the magnetic core. The alternating voltage waveform can be generated by selectively enabling one or more switches coupled to a storage device. The subject disclosure may further include configuring the one or more switches according to a configuration during a portion of a period of the alternating voltage waveform, and measuring a characteristic of an alternating current flowing in a conductor coupled to the magnetic core during the portion of the period of the alternating voltage waveform. Other embodiments are disclosed. |
| US11070083B2 |
Inductive power transfer unit, a system for inductive power transfer and a method of communicating
The invention relates to an inductive power transfer unit, wherein the inductive power transfer unit includes at least one winding structure and at least one flux guiding means, wherein the inductive power transfer unit further includes at least one antenna element, wherein at least one portion of the at least one flux guiding means is a part of the antenna element. The invention further relates to a system for inductive power transfer and a method of communicating. |
| US11070079B2 |
Integrated power supply system for auxiliary services for power converters
An integrated power supply system for auxiliary services for power converters comprises a sinusoidal filter connected between an auxiliary output of a DC-AC inverter module and an input of the auxiliary service transformer in such a way that a control module, by means of control commands, interrupts the main output of the DC-AC inverter module and enables the secondary output thereof to allow the auxiliary service transformer to generate the auxiliary AC power. The DC-AC inverter module is connectable to a DC source and supplies the power it generates to an AC network. |
| US11070077B2 |
Hibernate control circuits for battery power switching
In one embodiment, a vehicle telematics device is disclosed with a hibernate control circuit. The hibernate control circuit can selective switch battery power on and off to hibernatable circuits. The hibernate control circuit can be responsive to external main power availability, battery charge condition, and a periodic low frequency clock in the generation of a battery switch enable signal. A power supply switch can be selectively controlled by the battery switch enable signal to switch battery power on and off to the hibernatable circuits. |
| US11070075B2 |
Electronic device including non-contact charging module and battery
A mobile terminal is provided, which includes a wireless charging module, a battery pack, and a circuit board substrate. The wireless charging module includes a charging coil formed of a wound conducting wire and a communication coil placed adjacent to the charging coil. The wireless charging module has a substantially planar shape. The battery pack has a substantially planar shape and is configured to store power from the wireless charging module. The circuit board substrate is configured to control operation of the mobile terminal. The wireless charging module overlaps with each of the circuit board substrate and the battery pack. |
| US11070074B2 |
Apparatus and method for charging battery based on temperature
Disclosed is an electronic device including a battery; a temperature sensor; a charging circuit configured to charge the battery; a coil antenna; and at least one processor configured to measure a temperature corresponding to at least a part of the electronic device by using the temperature sensor; charge the battery depending on a first charging characteristic by using the charging circuit and supply a current to the coil antenna to allow the coil antenna to emit heat, when the temperature satisfies a first specified condition; and charge the battery depending on a second charging characteristic by using the charging circuit, when the temperature satisfies a second specified condition, after the current is supplied. |
| US11070073B2 |
Mobile power system with multiple DC-AC converters and related platforms and methods
A mobile power system may include AC-DC converter configured to convert a grid AC signal to a power limited DC charging signal, a DC-AC converter coupled to the AC-DC converter, and a battery module configured to provide a DC power signal. The mobile power system may include a switching circuit coupled between the battery module, and the AC-DC converter and the DC-AC converter. The switching circuit may have a switch, and first and second diodes coupled in parallel to the switch. The mobile power system may include a controller coupled to the battery module, the switching circuit, and the DC-AC converter. The controller may be configured to selectively switch the switching circuit between a first state, a second state, and a third state. |
| US11070071B2 |
Power supply apparatus
A battery charger for charging a portable electronic equipment, including a peripheral wall interconnecting a first base surface and a second base surface, an engagement portion protruding from the first base surface and extending in an axial direction to define an end surface a battery charging terminal protruding axially from the end surface, and a pair of self-engaging latches which is under a resilient bias to protrude laterally outwards and away from an engagement portion peripheral wall. The engagement portion has a lateral profile for insertion into a correspondingly battery charger receptacle along the axial direction. The latches are shaped dimensioned and positioned to retract inwardly towards the battery charging terminal upon encountering the battery charger receptacle until reaching a latching portion on the battery charger receptacle whereat the latches are to enter into releasable latched engagement with the latching portion. |
| US11070066B2 |
Passive battery cell discharge
A battery management component for passive battery cell discharge is disclosed. The battery management component may determine that a charging operation associated with a battery has ended. The battery management component may identify, based on the charging operation ending, that a first cell of the battery has a first state of charge. The battery management component may determine that a second cell of the battery has a second state of charge that is outside of a threshold range of the first state of charge. The battery management component may determine, based on the first and second states of charge, an amount of energy to be removed from the first cell to enable the first state of charge to be within the threshold range of the second state of charge. The battery management component may discharge energy from the first cell based on the determined amount of energy. |
| US11070065B2 |
Method and apparatus of a modular management system for energy storage cells
A modular management system for balancing, testing and protecting rechargeable energy storage cells connected in series. Different energy storage cell technologies can be connected in the same battery pack and they can be completely balanced by using one or both of two balancing modes. In addition, the modular management system includes bidirectional and unidirectional switches optionally connected to a single ohmic device such as a resistor to efficiently execute a Dual Function Process (DFP) (i.e., passive/active balancing, and testing mode for SoH/SoC estimation) preferably without using any extra or external components (i.e., capacitor or inductor or DC/DC converter or power supply). The systems and methods decrease the balancing time, energy loss, heat loss and complexity needed to monitor, protect and balance energy storage cell systems such as battery systems, and thus decreasing the overall cost. |
| US11070064B2 |
Power plants using incongruent load imbalance response
A method (110) of controlling an imbalance response in a power plant comprising first and second gas turbine engines and a steam turbine driven by steam generated by exhaust from the first and second gas turbine engines can comprise operating the first gas turbine engine at a first power output (116A), operating the second gas turbine engine at a second power output (116B), monitoring load demand from a power grid operating at a steady state condition (114), detecting a load imbalance on the power grid (120) that causes a deviation from the steady state condition, and adjusting the first power output and the second power output incongruently (128) during the imbalance response to change the first power output and the second power output to match the deviation from the steady state condition depending on contemporaneous efficiency states of the first and second gas turbine engines. |
| US11070061B2 |
Virtual reservoir storing energy for a hydroelectric power plant
A load management system for a hydroelectric power plant, includes a power generator configured to generate electrical energy from a flow of water for supplying a power grid, a virtual reservoir configured to store the generated electrical energy and dispatch the stored electrical energy to the power grid; a plurality of circuit breakers that connect an output of the power generator to the power grid and to the virtual reservoir; and a control unit configured to control operating states of the plurality of circuit breakers so that the generated electrical energy is stored at the virtual reservoir and at least one of the generated electrical energy or the stored electrical energy is provided to the power grid. |
| US11070058B2 |
Forecasting net load in a distributed utility grid
A method for generating a net load forecast for a utility grid, the grid including intermittent distributed energy resources and loads, comprising: defining two or more load forecast zones, each zone being associated with a load profile type and a climate zone type; assigning each of the loads to one of the zones based on the load profile and climate zone types associated with the load;assigning each of the energy resources to at least one of the zones based on the climate zone type associated with the energy resource; for each zone, generating an electrical energy consumption forecast for loads, an electric power generation forecast for energy resources, and a net load forecast from the electrical energy consumption and electric power generation forecasts; combining the net load forecast for each zone to generate the net load forecast for the grid; and, presenting the net load forecast on a display. The utility grid may be or may include a microgrid. |
| US11070057B2 |
Method for starting an energy generation network
A method for starting a farm grid of a wind farm is provided. The energy generation grid has at least one grid connection point connected to an electrical supply grid and the energy generation grid, in a normal operating mode, exchanges electrical power with the electrical supply grid via the grid connection point. The method includes selecting an establishment mode, different than the normal operating mode, if the electrical supply grid has a voltage drop or the energy generation grid is isolated from the electrical supply grid and operating the energy generation grid in the establishment mode. The establishment mode at least one voltage-influencing wind power installation for providing a wind farm grid voltage and at least one current-influencing wind power installation that synchronizes to the energy generation grid voltage. The wind power installations in total provide an electrical power at the level of an inherent need of the grid. |
| US11070056B1 |
Short-term interval prediction method for photovoltaic power output
The present disclosure belongs to the technical field of information, provides a short-term interval prediction method for photovoltaic power output, and is a short-term interval prediction method for photovoltaic power output based on a combination of a multi-objective optimization algorithm and a least square support vector machine. The present disclosure firstly proposes a similar day classification method considering both numerical value and pattern similarity to enhance the regularity of samples, then constructs an adaptive proportional interval estimation model based on dual-LSSVM model, and optimizes model parameters by using NSGA-II algorithms to realize the interval prediction of photovoltaic power output. Results obtained by the method have high accuracy, and computation efficiency meets actual application requirements. The method can also be popularized and applied in the fields of grid connection and scheduling of renewable energy sources. |
| US11070050B2 |
Method and circuit for complying with maximum values for output parameters of a power supply unit
A method and a circuit for complying with specified maximum values for output parameters a power supply unit includes at least a non-floating switch converter, an output voltage control unit, a current limiter and a switch element, wherein actual values of the current and voltage outputs of the power supply unit are measured continuously, where an evaluation unit calculates actual output power values of the power supply unit from the actual measured values of the output current and voltages, and subsequently compares at least the respective actually measured values of the output current and the respective actually calculated output power values with specified maximum values such that if at least one of the specified maximum values is exceeded by an actually measured value of the output current and/or by an actually calculated output power value, a current flow in the power supply unit is then interrupted by the evaluation unit. |
| US11070048B2 |
Overcurrent protection circuit, overcurrent protection method, and display device
An overcurrent protection circuit, an overcurrent protection method, and a display device are disclosed. The overcurrent protection circuit includes: a voltage generation circuit, a current detection circuit, and a microcontroller. An input end of the voltage generation circuit is connected to a power supply, an output end of the voltage generation circuit is connected to an input end of the current detection circuit, and a first output end of the current detection circuit is connected to a first input end of the microcontroller. The voltage generation circuit generates a low-order voltage, and transmits the low-order voltage to the current detection circuit. The current detection circuit generates a first current value based on the low-order voltage and transmits the first current value to the microcontroller. The microcontroller outputs a set overcurrent protection value based on a total current value of the overcurrent protection circuit and the first current value. |
| US11070038B2 |
Cabinet system
A cabinet system may include a storage container mountable in a cabinet to be movable between being extended out of the cabinet, and being disposed inside the cabinet. The system may include a pair of slide members, and a power connection point. The slide members may slidably connect the storage container and the cabinet. The power connection point includes a cover and an electric outlet. The cover is moveable between a closed position where the electric outlet is inaccessible by a power plug, and an open position where the electric outlet is accessible by the power plug. Slidable movement of the storage container to move the power connection point from outside to inside the cabinet is denied due the cover, in the open position, extending away from the storage container. |
| US11070037B2 |
Multi-directional impact protection with magnitude and direction indicator
An apparatus for protecting against a multi-directional impact, includes a body with a first set of radial segments, where the body is coupled to an object such that the first set of radial segments extend beyond a planar surface of the object. The apparatus further includes a first radial segment of the first set of radial segments having a diameter greater than a second radial segment of the first set of radial segments. The apparatus further includes a first notch of the first set of radial segments separating the first radial segment and the second radial segment having a concave edge, wherein the first radial segment and the second radial segment each extend beyond the concave edge of the first notch of the first set of radial segments. |
| US11070036B2 |
Multl-phase layered busbar for conducting electric energy wherein the layers are glued together, method of manufactoring the same and switchboard cabinet including such a busbar
A multi-phase busbar for conducting electric energy includes: a base layer of an insulating material; a first conducting layer of a sheet metal; a first insulating layer of an insulating material arranged on the first conducting layer; a second conducting layer of a sheet metal arranged on the insulating layer; and a second layer of an electrically insulating material which is arranged on the second conducting layer. The first and/or second insulating layers include spacers, each spacer including a layer of a rigid insulating material. At least one of the spacers is glued to an electrically insulating coating of the first and/or second conducting layer, and/or at least one of the spacers is glued to an electrically conductive surface of an uncoated first and/or second conducting layer by an adhesive. |
| US11070033B2 |
Optical amplifier
Conventional integrated optical amplifiers, which combine different types of platforms, e.g. silicon photonic integrated circuit for the device layer, and a Group III-V material for the gain medium, typically include a curved waveguide extending through the gain medium coupled to waveguides in the main device layer. Unfortunately, the radius of curvature of the curved waveguide becomes a limiting factor for both size and amplification. Accordingly, an optical amplifier which eliminates the need for the curved waveguide by including a coupler for splitting an input optical signal into two sub-beams, for passage through the gain medium, and a reflector, such as a U-turn, for reflecting or redirecting the two sub-beams back through the gain medium to the coupler for recombination, would be a welcome improvement. A phase tuner may also be provided to ensure coherence cancellation between the two sub-beams to maximize output and minimize back reflection without requiring an isolator. |
| US11070027B2 |
Variable wavelength light source and method for controlling wavelength switching of variable wavelength light source
A wavelength tunable light source includes a wavelength tunable laser device and a control device. The wavelength tunable laser device includes: M laser diodes configured to generate laser oscillation to output beams; a multiplexer/demultiplexer configured to multiplex the beams output from the M laser diodes to bifurcate the beams for output; a first semiconductor optical amplifier configured to amplify one output beam of the bifurcated beams to output a first emitted beam; and a second semiconductor optical amplifier configured to amplify another output beam of the bifurcated beams to output a second emitted beam. The control device is configured to perform wavelength switching control on wavelengths of the first emitted beam and the second emitted beam by switching an electric power input to the second semiconductor optical amplifier. |
| US11070022B1 |
Sector-shaped closely-packed laser
The present disclosure discloses a sector-shaped closely-packed laser generator, comprising a module packaging unit and a closely-packed output unit; the module packaging unit is provided therein with a plurality of single-die modules, and each of the single-die modules has a coupling optical fiber; the closely-packed output unit is provided therein with a silicon wafer whose surface has a plurality of V-shaped grooves, and the plurality of V-shaped grooves are arranged into a sector shape; and the coupling optical fibers of the single-die modules protrude from the module packaging unit and enter the closely-packed output unit, and are arranged in the V-shaped grooves after coating layers being stripped, to emit laser lights in directions of the arrangement of the V-shaped grooves. In the present application, the plurality of single-die modules are collectively disposed in the module packaging unit, and the coupling optical fibers of the single-die modules are led out and arranged in the V-shaped grooves arranged in a sector shape, which realizes the close arrangement of the coupling optical fibers, obtains the effect of modularized and integrated packaging of single die, and effectively reduces the volume of the laser generator. Furthermore, by closely arranging the coupling optical fibers in the V-shaped grooves arranged in a sector shape, the present disclosure can control the light emitting direction of the coupling optical fibers. |
| US11070020B2 |
Sinusoidal phase modulation of mode-locked lasers
An ultrafast mode-locked laser comprising circuitry configured to drive an electro-optic modulator (EOM) in the mode-locked laser with a drive waveform, the drive waveform being a phase-coherent sinusoidal waveform at a frequency equal to a repetition rate of the mode-locked laser, a phase-coherent pulsed waveform at a frequency equal to the repetition rate of the mode-locked laser, or a phase-coherent sinusoidal waveform at a frequency equal to half of the repetition rate of the mode-locked laser. |
| US11070013B2 |
Over-molded coaxial connector assembly
A connector assembly having an outer ground contact and a one piece over-molded housing and a method of assembly. The outer ground contact has an outer contact socket portion and an outer contact termination portion. The outer contact termination portion has openings which extend through a wall of the outer contact termination portion. The one piece over-molded housing has a nose cone portion, an inner dielectric portion and transition portions which extend between the nose cone portion and the inner dielectric portion. The nose cone portion is positioned outside of the outer contact termination portion. The inner dielectric portion positioned inside of the outer contact termination portion. The transition portions extend from the nose cone portion, through the openings, to the inner dielectric portion. The positioning of the transition portions in the openings securely mounts the outer grounding contact to the housing. |
| US11070010B2 |
Overheating destructive disconnecting method for switch
An overheating destructive disconnecting method for switch, whereby an operating member applies a first elastic force under normal conditions to enable the movable conductive member contacts a first conductive member and a second conductive member to form a conductive circuit; and a second elastic force to enable the movable conductive member to separate from the first conductive member or the second conductive member. The installation position of the overheating destructive member is used to receive heat energy instead of allowing current to flow thereto. When the overheating destructive member is destructed or deformed under a fail temperature condition, lessening or loss of the force applied by the first elastic force towards the movable conductive member causes the movable conductive member to no longer allow electrical conduction to the first conductive member and the second conductive member, thereby breaking the current-carrying circuit. |
| US11070007B2 |
System configured to position a tip of a cable
A system configured to position a tip of a cable. The system includes: a cable delivery system; a cable tip positioning module situated at a workstation in proximity to the cable delivery system; a pair of wheels operable to push a cable into the cable tip positioning module when a cable is in a nip between the wheels; an apparatus configured to hold the wheels; a motor operatively coupled to drive rotation of the wheels; and a proximity sensor configured to issue a cable present signal indicating the proximity of a conductor in the cable. The cable tip positioning module comprises a computer system configured to activate the motor to drive rotation of the wheels in a cable pulling direction in response to issuance of the cable present signal. |
| US11070006B2 |
Connector for low loss interconnection system
A modular electrical connector facilitates low loss connections to components on a printed circuit board. A portion is of the connector is formed of one or more first type units with conductive elements designed to be attached to a printed circuit board. Signals passing through those units may be routed to components on the printed circuit board through traces in the board. One or more second type units may be integrated with the connector. Those units may be designed for attachment to a cable, which may provide signal paths to a location on the printed circuit board near relatively distant components. |
| US11069998B2 |
Electrical connector
An electrical connector includes an insulating body, and multiple terminals accommodated therein. Each terminal has a connecting portion, two side portions bending backward and extending from left and right sides of the connecting portion, two extending portions provided opposite to each other and extending downward from the two side portions, and two embracing arms connected to lower ends of the two extending portions. The two embracing arms jointly embrace a solder ball, which has a first vertical central plane in a front-rear direction. The two embracing arms are located on two sides of the first vertical central plane. A distance between the front ends of the two embracing arms is less than a distance between the rear ends of the two embracing arms of each terminal. The front ends of the two embracing arms are attached with solder liquid formed by melting of the solder ball during soldering. |
| US11069997B1 |
High-power electrical feeder connector
An electrical connector includes conductive male and female contacts and insulating inner and outer sleeves, and connects first and second electrical wires end-to-end. The contacts can be attached to corresponding conductors of the first and second wires. The male contact includes an elongated pin; the female contact includes a receptacle. Inserting the pin into the receptacle results in mechanical engagement of, and electrical continuity between, the assembled contacts. The assembled contacts can be positioned within the compressible inner sleeve, which extends beyond the ends of the assembled contacts. The inner sleeve, with the assembled contacts therein, can be positioned within the rigid outer sleeve, which extends at least as far as the inner sleeve. Compression of the inner sleeve by the ends of the outer sleeve frictionally engages the ends of the inner sleeve with the corresponding wires. |
| US11069995B1 |
Single self-insulating contact for wet electrical connector
An electrical connector includes an electrically insulating body and a self-passivating contact held at a higher voltage than a non-passivating contact. The self-passivating contact includes a first electrically conductive material that forms an electrically insulating passivation layer when exposed to water or other aggressive environment. The non-passivating contact includes a second electrically conductive material that is unreactive when exposed to water or other aggressive environment. The passivation layer on the self-passivating contact prevents electric current from flowing between the self-passivating contact and the non-passivating contact through the water or other aggressive environment. |
| US11069991B2 |
Joint between copper terminal and aluminum wire, and magnetic induction welding method therefor
A joint of a copper terminal and an aluminum wire, the copper terminal is divided into a connecting part and a functional part connected to the connecting part, and an aluminum wire core of the aluminum wire is connected to the connecting part of the copper terminal. Preferably, the aluminum wire core extends or does not extend to the functional part. The connecting part is a component of the copper terminal that is connected with the aluminum wire, and the functional part is a fixed area of the copper terminal that is configured to connect to a power consumption device. |
| US11069989B2 |
Method and apparatus for multi-mode multi-level transmitter
The disclosed systems, structures, and methods are directed to a multi-level multi-mode transmitter, employing a first pre-driver configured to receive M-parallel data streams and to convert the M-parallel data streams into a serial data stream, a first voltage-driver configured to operate on the single data stream and to provide a voltage in accordance with the single data stream, a second pre-driver configured to receive and process the M-parallel data streams in accordance with at least one of the following modes: moderate impedance (Z) post-cursor mode, moderate Z pre-cursor mode, low Z high-swing mode, low Z post-cursor mode, and low Z pre-cursor mode, and convert the processed M-parallel data streams into a first serial stream and a second serial stream and a second voltage-driver configured to operate on the first serial stream and the second serial stream and to provide a voltage. |
| US11069988B1 |
Diverse integration module system of millimeter-wave and non-millimeter-wave antennas and electronic apparatus
The present invention relates to a diverse integration module system of millimeter-wave and non-millimeter-wave antennas and an electronic apparatus, the diverse integration module system of antennas comprising an integration module of millimeter-wave and non-millimeter-wave antennas and a non-millimeter-wave environment, the integration module of millimeter-wave and non-millimeter-wave antennas comprising a millimeter-wave antenna module provided with one or more first non-millimeter-wave antennas, the millimeter-wave antenna module being further provided thereon with a first communication part that is communicatively connected to the non-millimeter-wave environment, both the first non-millimeter-wave antenna(s) and the first communication part forming a communication connection with the non-millimeter-wave environment and a method for designing non-millimeter-wave antenna(s) on a millimeter-wave antenna module and simultaneously further directly reusing the millimeter-wave antenna module. |
| US11069987B2 |
Radar device
A radar device includes: reception array antennas each including virtual antennas constructed from plural transmission antennas and plural reception antennas; and a transmission control unit which controls transmission waves transmitted from the transmission antennas, the plural transmission antennas include: a first transmission antenna group having at least two of the transmission antennas that are spaced from each other by a prescribed first interval; and a second transmission antenna group having at least one of the transmission antenna that is spaced, by a prescribed second interval, from a synthesized antenna that is the first transmission antenna group as regarded as a single antenna; and the transmission control unit is capable of switching between: a first mode and a second mode as defined herein. |
| US11069985B1 |
Multiple layer printed circuit board that includes multiple antennas and supports satellite communications
Apparatuses, methods, and systems for a printed circuit board that includes multiple antennas, and operates to support satellite communications, are disclosed. One apparatus includes a first flat panel element. The first flat panel element includes a multilayer PCB (printed circuit board). The multilayer PCB includes a first exterior layer comprising N antenna elements, and a second exterior layer comprising N RF (radio frequency) chains operative to process the RF signals, each of the N RF chains electrically connected to a one of the N antenna elements, wherein all of a plurality of plated through hole vias of the PCB extend through the multilayer PCB from the first exterior layer to the second exterior layer, wherein vias that operate to connect control signals include extended cleanouts on layers of the multilayer PCB that do not include terminations of the control signals. |
| US11069983B2 |
Modified Z-type hexagonal ferrite materials with enhanced resonant frequency
Disclosed herein are embodiments of modified z-type hexagonal ferrite materials having improved properties that are advantageous for radiofrequency applications, in particular high frequency ranges for antennas and other devices. Atomic substitution of strontium, aluminum, potassium, and trivalent ions can be used to replace certain atoms in the ferrite crystal structure to improve loss factor at high frequencies. |
| US11069981B2 |
Radiating cable and method of manufacturing a radiating cable with an inner and outer conductor, each having openings
Radiating cable (100; 100a; 100b; 100c; 100d; 100e) for radiating electromagnetic energy, comprising an inner conductor (110), an outer conductor (120) arranged radially outside of said inner conductor (110), and an isolation layer (130) arranged radially between said inner conductor (110) and said outer conductor (120), wherein said outer conductor (120) comprises one or more first openings (1202), and wherein said inner conductor (110) comprises a hollow waveguide (1100). |
| US11069980B2 |
Layered waveguide system and method of forming a waveguide
The disclosure relates to a waveguide system comprising a plurality of stacked layers. The system further comprises a waveguide in a direction across the layers by providing each layer with a predetermined metal pattern. The disclosure further relates to a method for forming a waveguide. |
| US11069979B2 |
Vertically polarized omnidirectional antenna and dual-polarization omnidirectional antenna thereof
The invention discloses a vertically polarized omnidirectional antenna that is fed by a coaxial line including an inner conductor and an outer conductor. The vertically polarized omnidirectional antenna includes a main vibrator, an insulating medium, and a reference ground which are sequentially stacked and sequentially connected in a top-down manner. The main vibrator includes two vibrator pieces arranged in a crisscross, a straight line where an intersecting line between the vibrator pieces is located perpendicularly passes through the center of the reference ground, a base angle of each vibrator piece is set to be a corner cut, the inner conductor passes through the center of the reference ground and the insulating medium and is connected with the bottom of the main vibrator, and the outer conductor is connected with the reference ground. The vertically polarized omnidirectional antenna stably receives vertically polarized television signals from various directions through cooperatively interaction between the main vibrator, the insulating medium and the reference ground. The insulating medium is a key element of adjusting antenna impedance and being effective in impedance matching, so that an effect of receiving vertically polarized television signals from various directions by the antenna is greatly improved, the impedance is stable, and signal receiving stability and signal quality are greatly improved. |
| US11069977B2 |
Liquid crystal alignment agent, liquid crystal panel, and scanning antenna
A liquid crystal alignment agent according to the present invention includes: an alignment film forming material; and an organic solvent. The organic solvent contains a compound which has at least two functional groups selected from the group consisting of a methylene group, a methyl group, an ether group, a ketone group, and a hydroxyl group, and does not contain a nitrogen atom. |
| US11069975B1 |
Aimable beam antenna system
A system that improves wireless communication between a wireless base station and a plurality of remote wireless computing user devices (UEs) based on aiming downlink wireless signals from a base station in a beam shaped waveform in a determined direction for each remote UE that is identified as allocated a time period for communication with the base station according to a schedule. The system includes different types of components may be employed to implement various functions, including an angle of arrival (AoA) detector component, a downlink protocol decoder component, and an antenna controller component. The AoA detector component may be employed to monitor one or more radio frequency (RF) wireless signals radiated by UEs that are communicating with the base station in accordance with an allocation schedule. |
| US11069969B2 |
Antenna assembly and electronic device
An antenna assembly includes: an antenna receiving terminal including a first conductive region; a charge releasing terminal including a second conductive region; a clearance area disposed between the antenna receiving terminal and the charge releasing terminal; a charge discharging member disposed at the first conductive region, where the charge discharging member extends toward the charge releasing terminal, and forms a first apex angle close to the charge releasing terminal; and a charge recovering member corresponding to the charge discharging member disposed at the second conductive region, where the charge recovering member extends toward the antenna receiving terminal, and forms a second apex angle close to the antenna receiving terminal, where a distance between the first and second apex angles is less than or equal to a preset distance, so as to initiate an arc discharge between the first and second apex angles. |
| US11069966B2 |
Wire embedding head for forming antenna cable comprising multiple wires
The present invention relates to a wire embedding head for forming an antenna cable comprising multiple wires and, more particularly, to a wire embedding head for forming an antenna cable comprising multiple wires, which: allows wires to be embedded in a substrate while being connected in a parallel pattern by means of an ultrasonic wave generating part and multiple wire embedding horns so as to form an antenna cable; and enables an arrangement of the antenna cable embedded in the substrate and connected in a parallel pattern to be formed very densely by using a distinguishing coupling relation between the substrate and the multiple wires embedded in the substrate. |
| US11069965B2 |
Low-profile broadband circularly-polarized array antenna using stacked traveling wave antenna elements
A low-profile broadband circularly-polarized array antenna based on stacked traveling wave antenna elements, includes: a circularly-polarized antenna element composed of three segments connected in an end-to-end manner of metal layers printed on two sides of a dielectric slab and a metallized via connecting two layers; a 2×2 antenna sub-array composed of a metallized via cavity and four antenna elements; a 16-way full-parallel feeding network composed of the metallized vias; slots for coupled feeding between feeding layers and metal cavities and the antenna; and a switching structure for testing between a grounded coplanar waveguide (GCPW) and a substrate integrated waveguide (SIW). An antenna array designed can be manufactured by using a printed circuit board process. The antenna array can realize circularly polarized radiation in a very broad frequency band. |
| US11069964B2 |
Transparent film antenna
The present invention relates to a transparent film antenna. The present invention comprises: an insulator film; and a metal electrode for an antenna, which is formed on the insulator film, wherein the transmittance of the metal electrode for an antenna is 80% to 95% inclusive. The present invention employs a metal electrode having a high transmittance and a low resistance, so as to provide a transparent film antenna which can be implemented in the screen display area of a display device, can be applied to a high frequency band for 3G to 5G mobile communication, can be implemented as a transparent film antenna satisfying a high transmittance, and can prevent moiré effects due to components of an antenna and thus improve the optical characteristics of a display device to which the antenna is coupled. |
| US11069961B2 |
Antenna device having an antenna element coupled at a notch of a ground conductor thereof
An antenna device to be mounted on a vehicle, including a ground conductor having a planar shape; and an antenna element which is a resonant type, is provided at a position so as not to overlap with the ground conductor within a plane substantially parallel to the ground conductor, and is configured to transmit or receive a polarized wave parallel to the ground conductor. A rectangular notch is formed in the ground conductor to have both a right and left edge portions with a predetermined width being left, and the antenna element is provided at a position overlapping with the notch in a plane substantially parallel to the ground conductor. |
| US11069960B2 |
Multiband base station antennas having improved gain and/or interband isolation
Multiband base station antennas include first and second arrays. The first array has a plurality of radiating elements that are arranged in a plurality of columns and rows, where both an uppermost and a lowermost of the rows of the first array include a first number of radiating elements, and at least one of the other rows of the first array includes a second, larger number of radiating elements. The second array includes a plurality of radiating elements that are vertically offset from each other. At least one of the radiating elements in the uppermost of the rows of the first array is not vertically aligned with any of the radiating elements in the lowermost of the rows of the first array. |
| US11069956B2 |
Electronic device including 5G antenna module
An electronic device including an antenna module is provided. The electronic device includes a 5th generation (5G) antenna module that includes an antenna array, at least one conductive region operating as a ground with respect to the antenna array, and a first communication circuit feeding a power to the antenna array to communicate through a millimeter wave signal, and a printed circuit board (PCB) that includes a second communication circuit and a ground region. The second communication circuit feeds the power to an electrical path at least including the at least one conductive region and transmits or receives a signal in a frequency band different from a frequency band of the millimeter wave signal based on the electrical path supplied with the power and the ground region. |
| US11069953B2 |
Electrically small antenna
An electrically small low profile antenna is disclosed. The antenna comprises circuit board comprising a composite laminate, formed of a magnetic material and having at least one antenna element disposed on a top surface of the composite laminate, a conductive ground plane disposed on a bottom surface of the composite laminate, and a conductor, extending through the composite laminate between the top surface and the bottom surface of the composite laminate, the conductor forming a microstrip feed extending from an antenna input to the antenna element. |
| US11069950B1 |
Divider/combiner-based four-port transmission line networks
In a four-port transmission-line network, a first transmission line is connected to a first port, second and third transmission lines are connected to a first component port, fourth and fifth transmission lines are connected to a second component port, and a sixth transmission line is connected to a fourth port. The transmission lines are connected as baluns to the ports with the unbalanced signal on the port side and the balanced signals interconnecting with others of the transmission lines. In another example, two or more baluns are connected serially. Each balun includes two transmission lines having signal-return conductors connected together at the ends. One end of a signal conductor on the first balun forms a sum port. One end of the signal-return conductors of the second balun forms a difference port, and a capacitor connects the other end of the signal-return conductors to circuit ground. |
| US11069949B2 |
Hollow-waveguide-to-planar-waveguide transition circuit comprising a coupling conductor disposed over slots in a ground conductor
A hollow-waveguide-to-planar-waveguide transition circuit includes: strip conductors formed on a first main surface of a dielectric substrate; a ground conductor formed on the back side, facing the strip conductors; a slot formed in the ground conductor; and a coupling conductor formed at a position to be electrically coupled with the strip conductors. The coupling conductor has: a main body portion electrically coupled with the strip conductors; and protruding portions protruding from the main body portion. The protruding portions are formed so as to face an end portion of the slot. |
| US11069948B2 |
Surface integrated waveguide including top and bottom conductive layers having at least one slot with a specific contour
A waveguide for electromagnetic radiation, which is a substrate integrated waveguide which is basically a laminate of planar layers includes a substrate layer of dielectric material; a bottom layer and a top layer of an electrically conductive material provided on the respective bottom surface and top surface of the substrate layer; a multitude of pillars of electrically conductive material which extend through the substrate layer from its bottom to its top surface and which are electrically connected to the bottom and top layer; wherein at least one of the bottom and top layer contains at least one part that is void of electrically conductive material, which part is referred to as a slot. |
| US11069947B2 |
Electrode for solid-state batteries and solid-state battery
An electrode for solid-state batteries, comprising a PTC resistor layer, and a solid-state battery comprising the electrode. The electrode may be an electrode for solid-state batteries, wherein the electrode comprises an electrode active material layer, a current collector and a PTC resistor layer which is disposed between the electrode active material layer and the current collector and which is in contact with the electrode active material layer; wherein the PTC resistor layer contains a carbon-containing electroconductive material, an insulating inorganic substance and a fluorine-containing polymer. |
| US11069939B2 |
Underwater locator device (ULD) particle suppressor/trap
An avionics unit assembly for an aircraft includes an avionics unit such as an underwater locator device (ULD) having a transmitter configured to output a radio frequency pulse and a battery configured to power the device. The avionics unit assembly can further include a housing that encases the transmitter and the battery and includes a vent port for exhausting an emission from the housing during a failure of the avionics unit. The avionics unit assembly can further include one or more of a suppressor that filters the emission, a shield element that is resistant to chemical and/or thermal effects of the emission, and a bracket for mounting the avionics unit assembly to a surface. The suppressor can include a plurality of channels, where each channel includes at least one blind alley that can capture/filter a particulate component and/or a liquid component from the emission and/or break up the particulate component. |
| US11069938B2 |
Portable modular energy storage
In certain embodiments, a system includes a belt for mechanically linking multiple energy storage cells together, wherein the multiple energy storage cells are grouped into at least first and second energy storage packs, each energy storage pack including at least one energy storage cell, the at least one energy storage cell of the first energy storage pack having a different energy storage characteristic from the at least one energy storage cell of the second energy storage pack. The system further includes an operational zone for receiving an energy storage pack and establishing an electrical connection between the received energy storage pack and an electrical device, and an actuator operable to move the multiple energy storage cells together to thereby dispose the first energy storage pack in the operational zone to establish the electrical connection with the electrical device. |
| US11069937B2 |
Enclosing element, enclosing module, storage module and arrangement for providing electrical energy and a transport vehicle containing the storage module or the arrangement for providing electrical energy
The present disclosure provides an enclosing element for enclosing and electrically contacting a stacked arrangement of a plurality of electrical storage cells; an enclosing module comprising a first and a second enclosing element which is spatially separated from said first enclosing element; and a storage module comprising a stacked arrangement of a plurality of electrical storage cells. The present disclosure also provides a load disconnector as well as an arrangement for supplying electrical energy comprising the storage module and the load disconnector. The present disclosure further provides a trough for holding storage modules, and a transport vehicle containing said storage module, said arrangement for supplying electrical energy, said load disconnector or said trough. |
| US11069934B2 |
Electrochemical cell
An air-metal battery utilizes a magnesium anode, a carbon cathode, and a conductive fluid including glycol and water. The anode and cathode are provided in a fuel card assembly that is replaceable as a unit. |
| US11069933B2 |
Electrified vehicle battery packs with improved thermal interface material distribution
This disclosure details exemplary battery pack designs for use in electrified vehicles. An exemplary battery pack assembly process may include supporting one or more components, such as a heat exchanger plate, of the battery pack against deflection during the assembly process. Supporting the heat exchanger plate to keep the plate relatively flat during the battery pack assembly process improves the flow distribution of a thermal interface material (TIM), thereby achieving improved TIM coverage and improved heat transfer between battery cells and the heat exchanger plate of the battery pack. |
| US11069930B2 |
Energy storage apparatus
An energy storage apparatus including: an outer case having a bottom wall and a side wall; an energy storage device; an insulating member disposed at a position where the energy storage device is sandwiched between the bottom wall and the insulating member; a first adhesive layer which makes the insulating member and the energy storage device adhere to each other; and a second adhesive layer which makes the insulating member and the side wall adhere to each other. |
| US11069928B2 |
Vehicle battery device
Provided is a vehicle battery device in which number of battery cells can be easily increased, a large number of battery cells can be arranged at high density, and connection with the outside can also be easily performed. The vehicle battery device includes: a battery cell mounting part accommodating a battery cell group constituted by a plurality of laminated battery cells; and an interface box integrating connection functions between the battery cell mounting part and the outside, wherein the battery cell mounting part is connected to at least one of two opposing side surfaces in an outer surface of the interface box; and the interface box has, on any outer surface other than the side surface connected with the battery cell mounting part, a connection part capable of connecting the interface boxes to each other. |
| US11069925B2 |
Heterogeneous battery system and method
An electrical power management system for a vehicle and method of operation are described. The electrical power management system includes a control circuit configured to monitor and control power to a battery bus of the vehicle. The electrical power management system also includes a first coupler configured to be coupled to a first battery and to the battery bus, the first coupler responsive to the control circuit to selectively couple the first battery to the battery bus, the first battery having a first battery chemistry. The electrical power management system includes a second coupler configured to be coupled to a second battery and to the battery bus, the second coupler responsive to the control circuit to selectively couple the second battery to the battery bus, the second battery having a second battery chemistry distinct from the first battery chemistry. |
| US11069924B2 |
Battery pack and overdischarge control method thereof
A battery pack includes a battery and a battery management system to control and manage charging and discharging of the battery. The battery management system includes an external terminal connected to a charger or an external electronic device, a cell terminal connected to the battery, a charge field effect transistor (FET) and a discharge FET connected between the external terminal and the cell terminal, a voltage sensor to measure a battery voltage of the battery, a comparator comparing the battery voltage with a reference voltage to determine whether the battery pack is in an overdischarged state, and a controller controlling the charge FET to be cut off to prevent a charge operation of the battery, if the comparator determines that the battery pack is in an overdischarged state. |
| US11069920B2 |
Solid state battery design with mixed ionic and electronic conductor
A solid-state battery comprises an anode in electrical contact with an anode current collector, including a first ionically conductive solid electrolyte material having a susceptibility to reduction in a presence of lithium metal such that, upon contact with lithium, the ionically conductive material partially reduces to a mixed ionic and electronic conductor including a partially reduced species, a cathode, and a separator positioned between and in ionic contact with the anode and cathode. The separator is formed of a second ionically conductive solid electrolyte material which is in contact with the first ionically conductive material but not susceptible to reduction in a presence of lithium metal and not soluble for the partially reduced species such that the separator has a susceptibility for migration of lithium ions from the mixed ionic and electronic conductor and impedes propagation or exchange of the partially reduced species from the mixed ionic and electronic conductor. |
| US11069918B2 |
Carbonate electrolytes for lithium ion batteries
Electrolytes, lithium ion cells and corresponding methods are provided, for extending the cycle life of fast charging lithium ion batteries. The electrolytes are based on fluoroethylene carbonate (FEC) and/or vinylene carbonate (VC) as the cyclic carbonate component, and possibly on ethyl acetate (EA) and/or ethyl methyl carbonate (EMC) as the linear component. Proposed electrolytes extend the cycle life by factors of two or more, as indicated by several complementary measurements. |
| US11069917B2 |
Stacked film battery architecture
A method for fabricating a stacked battery structure. The method includes preparing a plurality of battery layers separately, wherein each battery layer includes a substrate, a film battery element fabricated on the substrate and an insulator formed over the film battery element. The insulator has a flat top surface and the film battery element includes a current collector. The method also includes stacking the plurality of battery layers, wherein the insulator of a first battery layer of the plurality of battery layers bonds to the substrate of a second battery layer of the plurality of battery layers by the flat top surface. The method further includes forming a conductive path within the plurality of battery layers, wherein the conductive path connects with at least one of the current collectors of the plurality of battery layers. |
| US11069916B2 |
Cylindrical battery
A cylindrical battery according to an embodiment of the present invention includes an electrode body, an electrolyte solution, a tubular exterior can that has a bottom and that accommodates the electrode body and the electrolyte solution, and a sealing body that seals the exterior can. The sealing body includes a valve member, an insulating plate that includes a hollow portion, and a metal plate that has a first through-hole. The insulating plate is disposed between the valve member and the metal plate. At least one of the valve member and the metal plate includes a projection that projects toward an inside of the hollow portion. The valve member and the metal plate are joined to each other at the projection. The insulating plate has a second through-hole that is formed around the hollow portion. |
| US11069909B2 |
Fuel cell vehicle and method for controlling the same
In a fuel cell vehicle, when temperature of a power storage device detected by a temperature sensor is a second temperature, which is lower than a predetermined first temperature, at least in a period when the power storage device is allowed to be charged with regenerative electric power, remaining charge is controlled by setting a lower limit to a value higher than a lower limit set at the first temperature. When a stop instruction for a fuel cell system is input, remaining charge raising processing for raising the remaining charge of the power storage device is performed. |
| US11069904B1 |
Method for preparing flexible membrane-free and wire-shaped fuel cell
A method for preparing a flexible membrane-free and wire-shaped fuel cell is provided. A carbon nanotube sheet is twisted and loaded with a catalyst to obtain a (CNT)@Fe3[Co(CN)6]2 cathode electrode; the carbon nanotube sheet is twisted and coated with a nickel powder to obtain a CNT@nickel particle anode electrode; and the (CNT)@Fe[Co(CN)6]2 cathode electrode, the CNT@nickel particle anode electrode, and a fuel electrolyte of H2O2 are integrated in a silicone tube to obtain a flexible membrane-free and wire-shaped fuel cell. The flexible membrane-free and wire-shaped fuel cell of the present invention can generate an open-circuit voltage of 0.88 V, while having very good flexibility, and can be woven into textiles such as clothes, thereby having great application prospects in the field of portable energy supply. |
| US11069903B2 |
Metal particle supported catalysts, methods for producing same, and fuel cells using same
A catalyst, includes: a carbon support that possesses functional groups including a carboxyl group; and a metal that is supported onto the carbon support, wherein the proportion of the carboxyl group to the functional groups is 10% or higher. A method for producing a catalyst includes: (i) supporting metal particles onto a carbon support; (ii) bringing the carbon support into contact with an acid solution; and (iii) calcining the carbon support after Step (ii), wherein the carbon support included in the produced catalyst possesses functional groups including a carboxyl group, and the proportion of said carboxyl group to the functional groups is 10% or higher. |
| US11069902B2 |
Catalyst electrode for oxygen evolution and method for preparing the same
The present invention provides a catalyst electrode for oxygen evolution comprising an electrode current collector comprising a carbon fiber fabric, a nanowire layer comprising a metal oxide-based porous nanowire grown radially from the surface of the carbon fiber, and a porous carbon coating layer disposed around the outer surface of the nanowire, thereby maximizing the specific surface area and increasing the electron transfer rate, and thus exhibiting an excellent catalytic activity for oxygen evolution reaction, and a preparation method thereof. |
| US11069897B2 |
Volume-expansion accommodable anode-free solid-state battery
Various arrangements of an anode-free solid-state battery cell are presented herein. The battery cell can include a lithium ion buffer layer that is located between a solid-state electrolyte and an anode current collector. Lithium ions may be stored within the lithium ion buffer layer when the battery cell is charged, which can decrease an amount of swelling within the battery cell. |
| US11069890B2 |
Hollow particles formed from 2-dimensional materials
The present invention relates to methods of fabrication of hollow shells/spheres/particles, core-shell particles and composite materials made from these particles. |
| US11069888B2 |
Anode structure with binders for silicon and stabilized lithium metal powder
A simple solution processing method is developed to achieve uniform and scalable stabilized lithium metal powder coating on Li-ion negative electrode. A solvent and binder system for stabilized lithium metal powder coating is developed, including the selection of solvent, polymer binder and enhancement of polymer concentration. The enhanced binder solution is 1% concentration of polymer binder in xylene, and the polymer binder is chosen as the mixture of poly(styrene-co-butadiene) rubber (SBR) and polystyrene (PS). Long-sustained, uniformly dispersed stabilized lithium metal powder suspension can be achieved with the enhanced binder solution. A uniform stabilized lithium metal powder coating can be achieved with simple doctor blade coating method and the resulting stabilized lithium metal powder coating can firmly glued on the anode surface. With the prelithiation of negative electrode by stabilized lithium metal powder, improvements in electrochemical performances are demonstrated in both graphite/NMC and SiO/NMC full-cell. |
| US11069887B2 |
Negative electrode, battery, battery pack, electronic apparatus, electrically driven vehicle, electrical storage device, and electric power system
Provided is a battery including a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes a negative electrode active material layer including a negative electrode active material and a binding agent. The negative electrode active material includes a silicon-containing material. The binding agent includes a fluorine-containing resin and a polyacrylic acid metal salt. A total amount of the fluorine-containing resin and the polyacrylic acid metal salt is 10 parts by mass to 30 parts by mass on the basis of 100 parts by mass of the negative electrode active material. |
| US11069883B2 |
Galvanic metal-water cell with nickel-molybdenum cathode
Galvanic metal-water cells and methods of manufacturing positive electrodes to be used in said galvanic metal-water cells. The galvanic metal-water cells in accordance with various embodiments include a cathode that includes a layer comprising nickel-molybdenum deposited thereon. The nickel-molybdenum coated cathodes exhibit favorable hydrogen evolution reaction overpotential compared with existing devices. In these galvanic metal-water cells, the metal is oxidized and water is reduced. |
| US11069882B2 |
Optical unit and display device
Provided are an optical unit and a display device being able to inhibit unwanted light, which is generated when a dichroic mirror transmits part of color light to be reflected, from being emitted from an emission surface of a dichroic prism. In the optical unit, color filters (a first color filter, a second color filter, and a third color filter) are provided between a dichroic prism and a first panel, a second panel, and a third panel, the color filters selectively transmitting light of wavelengths incident on the dichroic prism from each of the panels. Further, an optical resonator, which has a resonance wavelength corresponding to a wavelength range of image light incident on the dichroic prism from each of the panels, is provided on the first panel, the second panel, and the third panel. |
| US11069880B2 |
Display device and fabrication method thereof
A display device may include a display configured to emit light for displaying an image, a microlens array on the display and configured to collimate the image incident from the display so as to be delivered to the eyes of a user, the microlens array including a refractive index conversion layer in which a refractive index varies from region to region, and an optical path adjustment layer configured to collect light, emitted from the display and transmitted by the microlens array, and to space the display and the microlens array a preset distance apart from each other. Here, the refractive index conversion layer may include a polymer and liquid crystal molecules that interact with the polymer. |
| US11069876B2 |
Organic electroluminescence display device and manufacturing method thereof
An organic electroluminescence display device has a plurality of pixels, each of the pixels including a first portion and a second portion. The first portion has an organic light emitting element and is configured to display images. The second portion is a transparent transmission area through which an external object is visible and includes a foreign substance collecting member. The foreign substance collecting member is made of a ferromagnetic substance and is configured to receive electric current from an external current source through a connecting line and an electric field application pad. When electric current is applied to the electric field application pad, a magnetic field is applied to the foreign substance collecting member, and foreign substance in the first portion is collected by the foreign substance collecting member in the second portion, preventing the foreign substance from being deposited in the first portion. |
| US11069873B2 |
Formation of a two-layer via structure to mitigate damage to a display device
In some embodiments, the present disclosure relates to a display device that includes an isolation structure disposed over a reflector electrode, a transparent electrode disposed over the isolation structure, an optical emitter structure disposed over the transparent electrode, and a via structure. The via structure extends from the transparent electrode at a top surface of the isolation structure to a top surface of the reflector electrode. The via structure includes a center horizontal segment that contacts the top surface of the reflector electrode, a sidewall vertical segment that contacts an inner sidewall of the isolation structure, and an upper horizontal segment that is connected to the center horizontal segment by the sidewall vertical segment. The upper horizontal segment is thicker than the center horizontal segment. |
| US11069872B2 |
Delocalizer and light emitting device using the same
A delocalizer and a light emitting device using the same are provided. The light emitting device includes a substrate and a first electrode layer. The first electrode layer is disposed over the substrate, in which two sides of the first electrode layer have a first contact pad and a second contact pad, respectively. The delocalizer is disposed between the first contact pad and the second contact pad. The delocalizer may include a plurality of strip-shaped transparent conductive members adjacent to each other, and a plurality of transparent conductive blocks adjacent to each other may be disposed between adjacent two of the strip-shaped transparent conductive members. |
| US11069871B2 |
Organic white light emitting element
Provided is an organic white light emitting element (EL) including: a reflective electrode, a light extraction electrode, and an organic layer arranged therebetween, the organic layer including: a blue light emitting layer (BL); and a long-wavelength light emitting layer, the long-wavelength light emitting layer arranged between the BL and the reflective electrode, the BL provided at such a position as to satisfy Equation given below: z=φ×λ1/4π where z represents an optical distance between the reflective electrode and an interface of the BL on the reflective electrode side, φ represents a phase of light reflected by the reflective electrode in an emission wavelength region of the BL, and λ1 represents a wavelength in a visible light region, and the EL has a resonator structure defined between the reflective electrode and the light extraction electrode and has a maximum peak resonant wavelength in a blue light wavelength region. |
| US11069867B2 |
Electronically pure single chirality semiconducting single-walled carbon nanotube for large scale electronic devices
An electronically pure carbon nanotube ink, includes a population of semiconducting carbon nanotubes suspended in a liquid, the ink being essentially free of metallic impurities and organic material, and characterized in that when incorporated as a carbon nanotube network in a metal/carbon nanotube network/metal double diode, a nonlinear current-bias curve is obtained on application of a potential from 0.01 V to 100 V. The ink can be used to prepare air-stable n-type thin film transistors having performances similar to current thin film transistors used in flat panel displays amorphous silicon devices and high performance p-type thin film transistors with high-κ dielectrics. |
| US11069864B2 |
Organic electroluminescent materials and devices
The present invention includes novel six member aromatic or heteroaromatic rings fused to aza-DBX as ligands for making dopants for OLED applications. |
| US11069863B2 |
Organic thin film and organic thin film transistor and electronic device
Disclosed are an organic thin film includes a first compound represented by one of Chemical Formula 1A and 1B and a second compound different from the first compound and represented by one of Chemical Formulae 2A and 2B, an organic thin film transistor, and an electronic device. |
| US11069862B2 |
Material for organic electroluminescence device and organic electroluminescence device using the same
Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device. |
| US11069861B2 |
Mixture, organic electroluminescence device and electronic equipment
A mixture contains a first compound and a second compound, in which the first compound has at least one of a first cyclic structure represented by a formula (11) below and a second cyclic structure represented by a formula (12) below, and the second compound is a compound represented by a formula (21) or a compound represented by a formula (22) below, and a total mass MT of the first and second compounds and a mass M2 of the second compound in the mixture satisfy a relationship of a numerical formula (Numerical Formula 1) below, |
| US11069860B2 |
Composition of matter for use in organic light-emitting diodes
The present disclosure relates to compounds of Formula (I) as compounds capable of emitting delayed fluorescence, and uses of these compounds in organic light-emitting diodes. |
| US11069859B2 |
Fluorene-based compound, organic light-emitting device using same and method for preparing same
The present specification relates to a fluorene-based compound of Formula 1, a coating composition comprising the fluorene-based compound of Formula 1, an organic light emitting device using the same, and a manufacturing method thereof. |
| US11069858B2 |
Amine-based compound and organic light emitting device comprising same
The present specification provides a compound of Chemical Formula 1, and an organic light emitting device including the same. The compound of Chemical Formula 1 used in one or more organic material layers of an organic light emitting device provides enhanced efficiency, lowered driving voltage, and increased lifetime of the device. |
| US11069856B2 |
Solution for organic EL, method of producing organic EL device and organic EL device
According to one embodiment, a solution for organic EL contains a mixed solvent of two or more kinds of organic solvents which contain at least a first organic solvent and a second organic solvent, and an organic EL contributing material dissolved into the mixed solvent. The coordinates (HSP coordinates) specified by Hansen solubility parameters of the first organic solvent are Hd in a range of 17.5 to 19.5 (J/cm3)1/2, Hp in a range of 3.5 to 5.5 (J/cm3)1/2 and Hh in a range of 3.5 to 5.5 (J/cm3)1/2. The HSP coordinates of the second organic solvent are Hd in a range of 17.5 to 19.5 (J/cm3)1/2, Hp in a range of 0 to 2.0 (J/cm3)1/2, and Hh in a range of 0.5 to 2.5 (J/cm3)1/2. |
| US11069855B2 |
Dielectric barrier at non-volatile memory tile edge
An oxidation barrier for non-volatile memory with materials sensitive to temperature and/or cross contamination (e.g., chalcogenide materials) are described The barrier can be formed, for example, around the boundaries of a non-volatile memory tile (also known as a block or sub-array). For example, a non-volatile memory device can include an oxidation barrier on a side wall of a trench between adjacent memory tiles. |
| US11069850B2 |
Magnetic memory device and manufacturing method of the same
According to one embodiment, a magnetic memory device includes a stacked structure including a first magnetic layer having a fixed magnetization direction, a nonmagnetic layer provided on the first magnetic layer, and a second magnetic layer provided on the nonmagnetic layer and having a variable magnetization direction, a first insulating layer provided along a side surface of the stacked structure and having an upper end located at a position lower than an upper end of the side surface of the stacked structure, and a second insulating layer covering the first insulating layer and having an upper end located at a position higher than the upper end of the first insulating layer. |
| US11069849B2 |
Shadow mask sidewall tunnel junction for quantum computing
A technique relates to forming a sidewall tunnel junction. A first conducting layer is formed using a first shadow mask evaporation. A second conducting layer is formed on a portion of the first conducting layer, where the second conducting layer is formed using a second shadow mask evaporation. An oxide layer is formed on the first conducting layer and the second conducting layer. A third conducting layer is formed on part of the oxide layer, such that the sidewall tunnel junction is positioned between the first conducting layer and the third conducting layer. |
| US11069847B2 |
Thermoelectric module
A thermoelectric module mounted on an uneven surface (a curved surface or an irregular surface) to reduce thermal boundary resistance and significantly improve thermoelectric power generation efficiency is provided. The thermoelectric module includes one or more first thermoelectric elements, one or more second thermoelectric elements having opposite polarity to that of the first thermoelectric elements and alternating with the first thermoelectric element. An electrode unit in provided and includes upper and lower electrodes configured to electrically connect the first and second thermoelectric elements. A connection member is configured to connect the first and second thermoelectric elements to vary the relative positions of the first and second thermoelectric elements. |
| US11069846B2 |
Ultraviolet ray emitting device having maximized electrode area for improved heat dissipation
A light-emitting device is provided. The light-emitting device comprises: a first body unit including a base part and at least three conductive patterns positioned on the base part while including a plurality of element loading areas; and a plurality of light-emitting elements positioned on the plurality of element loading areas of the first body unit, wherein at least one conductive pattern among the conductive patterns is electrically connected to at least two light-emitting elements, the at least two light-emitting elements are connected to each other in series, at least two conductive patterns among the conductive patterns include pad electrode areas, an area of the plurality of conductive patterns is 80% or more of an upper surface area of the base part, and a separation distance among the plurality of conductive patterns is 200 μm to 2,400 μm. |
| US11069841B2 |
Multilayer ceramic converter with stratified scattering
A multilayer ceramic converter with stratified scattering is disclosed. In an embodiment a ceramic wavelength converter assembly having a layered structure includes a phosphor layer, an upper barrier layer, and a lower barrier layer, wherein the phosphor layer is at least partially disposed between the upper barrier layer and the lower barrier layer. |
| US11069839B2 |
Optical component package and device using same
Disclosed is an optical component package. The optical component package according to the present invention includes: a main substrate including a plurality of metal bodies, and a vertical insulation part provided between the metal bodies; a sub-substrate provided in a cavity of the main substrate, and electrically connected to each of the metal bodies with the vertical insulation part interposed therebetween; an optical component mounted on the sub-substrate; and a light transmitting member provided above the optical component, wherein the sub-substrate includes: an insulating body; a via hole vertically passing through the insulating body, and filled with a metal material; and a metal pad connected to the optical component. |
| US11069838B2 |
Light-emitting device with light-emitting element mounted on supporting member and display apparatus
A light-emitting device includes a light-emitting element having an element front surface and an element back surface spaced apart from each other in a first direction, a supporting member on which the light-emitting element is mounted, and a light-transmitting resin formed on the supporting member to cover the light-emitting element. The supporting member includes a base having a base front surface and a base back surface opposite to the base front surface, and first and second wirings each disposed on the base and electrically connected to the light-emitting element. The light-emitting element is mounted on the support member with the element back surface facing the base front surface. |
| US11069834B2 |
Optoelectronic device having a boron nitride alloy electron blocking layer and method of production
An optoelectronic device a substrate, a first doped contact layer arranged on the substrate, a multiple quantum well layer arranged on the first doped contact layer, a boron nitride alloy electron blocking layer arranged on the multiple quantum well layer, and a second doped contact layer arranged on the boron nitride alloy electron blocking layer. |
| US11069832B2 |
Resonant cavity strained III-V photodetector and LED on silicon substrate
An optoelectronic device that includes a germanium containing buffer layer atop a silicon containing substrate, and a first distributed Bragg reflector stack of III-V semiconductor material layers on the buffer layer. The optoelectronic device further includes an active layer of III-V semiconductor material present on the first distributed Bragg reflector stack, wherein a difference in lattice dimension between the active layer and the first distributed brag reflector stack induces a strain in the active layer. A second distributed Bragg reflector stack of III-V semiconductor material layers having a may be present on the active layer. |
| US11069831B2 |
Light emitting device
A light emitting device includes a substrate, a plurality of light sources, a partitioning member and a diffuser panel. The light sources are arranged on the substrate. Each of the light sources has a light emitting diode. The partitioning member includes a plurality of wall portions defining a plurality of sections respectively surrounding at least one of the light sources. The wall portions include top portions. The diffuser panel is arranged above the light sources. The diffuser panel defines a plurality of grooves respectively accommodating the top portions of the partitioning member. |
| US11069828B2 |
Method for manufacturing photoelectric conversion device
A method for manufacturing a crystalline silicon-based solar cell includes performing a plasma treatment on a plurality of conductive single-crystalline silicon substrates in a chemical vapor deposition (CVD) chamber, each of the conductive single-crystalline silicon substrates having an intrinsic silicon-based layer on a first principal surface thereof. The first principal surface of the conductive single-crystalline silicon substrate may have a pyramidal texture that comprises a plurality of projections having a top portion, a middle portion, and a valley portion. The plasma treatment may include introducing a hydrogen gas and a silicon-containing gas into the CVD chamber and exposing a surface of the intrinsic silicon-based layer to hydrogen plasma. An amount of the hydrogen gas introduced into the CVD chamber during the plasma treatment may be 150 to 2500 times an amount of the silicon-containing gas introduced into the CVD chamber. |
| US11069824B2 |
Optical sensor device and method of manufacturing the same
An optical sensor device has an optical semiconductor element fixed into a recessed portion of a base portion, and a pad portion of the optical semiconductor element is electrically connected to a lead portion of the base portion. On an upper surface of a protruding portion provided in an outer region of the base portion, a metallization layer having notch portions, a metal bonding layer, a metallization layer having notch portions, and a lid portion are provided. Through use of the metallization layers and the metal bonding layer, the lid portion can be hermetically bonded to the base portion. |
| US11069823B2 |
Photoelectric conversion device, photoelectric conversion system, and movable object comprising a comparison unit to compare the count value of pulse with a predetermined threshold value
A photoelectric conversion device includes a plurality of pixels arranged in a plurality of rows and a plurality of columns, and a plurality of output lines to which signals from the plurality of pixels are output, and each of the plurality of pixels includes a light receiving unit that outputs a pulse in response to incidence of a photon and a signal generation unit that, based on output from the light receiving unit, generates a pixel signal output to each of the output lines. The signal generation unit includes a count unit that generates a count signal indicating a count value of pulses output from the light receiving unit and a comparison unit that compares the count value indicated by the count signal with a predetermined threshold value, and the signal generation unit outputs a signal in accordance with a result of comparison performed by the comparison unit. |
| US11069821B2 |
Semiconductor device and manufacturing method thereof
A semiconductor device and its manufacturing method are presented. The manufacturing method entails: providing a semiconductor substrate, wherein the semiconductor substrate comprises a first region and a second region that are mutually exclusive from one another, with a first oxide layer on the first and the second regions; conducting a nitriding process on the semiconductor substrate to form a nitride barrier layer on the first oxide layer on the first and the second regions; removing the first oxide layer on the second region; and conducting an oxidation process to form a second oxide layer on the second region. |
| US11069817B2 |
Display device and electronic device
A display device including a pixel having a memory. The pixel includes at least a display element, a capacitor, an inverter, and a switch. The switch is controlled with a signal held in the capacitor and a signal output from the inverter so that voltage is supplied to the display element. The inverter and the switch can be constituted by transistors with the same polarity. A semiconductor layer included in the pixel may be formed using a light-transmitting material. Moreover, a gate electrode, a drain electrode, and a capacitor electrode may be formed using a light-transmitting conductive layer. The pixel is formed using a light-transmitting material in such a manner, whereby the display device can be a transmissive display device while including a pixel having a memory. |
| US11069816B2 |
Semiconductor device and display device
A semiconductor device that can be highly integrated is provided. The semiconductor device includes a first semiconductor layer, a second semiconductor layer, a third semiconductor layer, a first insulating layer, a second insulating layer, a third insulating layer, a fourth insulating layer, a first conductive layer, and a second conductive layer. The second semiconductor layer is positioned over the first semiconductor layer, the second conductive layer is positioned on the second semiconductor layer, and the second insulating layer is provided so as to cover a top surface and a side surface of the second conductive layer. The second conductive layer and the second insulating layer include a first opening, and the third semiconductor layer is provided in contact with a top surface of the second insulating layer, a side surface of the first opening, and the second semiconductor layer. The first insulating layer is positioned between the first conductive layer and the third semiconductor layer, the third insulating layer is positioned between the first insulating layer and the first conductive layer, and the fourth insulating layer is provided so as to surround the first conductive layer. |
| US11069813B2 |
Localized heating in laser annealing process
A method of forming a semiconductor device includes forming source/drain contact openings extending through at least one dielectric layer to expose source/drain contact regions of source/drain structures. The method further includes forming conductive plugs in the source/drain contact openings. The method further includes depositing a light blocking layer over the conductive plugs and the at least one dielectric layer. The method further includes etching the light blocking layer to expose the conductive plugs. The method further includes directing a laser irradiation to the conductive plugs and the light blocking layer. The laser irradiation is configured to activate dopants in the source/drain contact regions. |
| US11069812B2 |
Fin field-effect transistor device and method of forming the same
A method of forming a semiconductor device includes forming a fin protruding above a substrate; forming a liner over the fin; performing a surface treatment process to convert an upper layer of the liner distal to the fin into a conversion layer, the conversion layer comprising an oxide or a nitride of the liner; forming isolation regions on opposing sides of the fin after the surface treatment process; forming a gate dielectric over the conversion layer after forming the isolation regions; and forming a gate electrode over the fin and over the gate dielectric. |
| US11069810B2 |
Semiconductor device having a shaped epitaxial region
A source/drain region of a semiconductor device is formed using an epitaxial growth process. In an embodiment a first step comprises forming a bulk region of the source/drain region using a first precursor, a second precursor, and an etching precursor. A second step comprises cleaning the bulk region with the etchant along with introducing a shaping dopant to the bulk region in order to modify the crystalline structure of the exposed surfaces. A third step comprises forming a finishing region of the source/drain region using the first precursor, the second precursor, and the etching precursor. |
| US11069807B2 |
Ferroelectric structure for semiconductor devices
The present disclosure relates to a semiconductor device includes a substrate and first and second spacers on the substrate. The semiconductor device includes a gate stack between the first and second spacers. The gate stack includes a gate dielectric layer having a first portion formed on the substrate and a second portion formed on the first and second spacers. The first portion includes a crystalline material and the second portion comprises an amorphous material. The gate stack further includes a gate electrode on the first and second portions of the gate dielectric layer. |
| US11069804B2 |
Integration of HVLDMOS with shared isolation region
A power device, comprising, a semiconductor substrate composition having a substrate layer of a first conductivity type, one or more lateral double diffused metal oxide semiconductor (LDMOS) devices formed in the substrate layer. LDMOS structures are integrated in to the isolation region of a high voltage well. Each LDMOS is isolated from a power device substrate area by an isolator structure formed from the substrate layer. Each LDMOS comprises a continuous field plate formed at least partially on the thick insulation layer over each of the one or more LDMOS devices and in conductive contact with the power device substrate area. |
| US11069803B2 |
Semiconductor device, method of manufacturing semiconductor device, inverter circuit, driving device, vehicle, and elevator
A semiconductor device according to an embodiment includes: a SiC layer having a first plane, a second plane, a first trench located on a first plane side, an n-type first SiC region, a p-type second SiC region between the first SiC region and the first plane, an n-type third SiC region between the second SiC region and the first plane, and a p-type fourth SiC region between the first SiC region and the first plane, at least a portion of the fourth SiC region located in the second SiC region, the fourth SiC region having a higher p-type impurity concentration than the second SiC region; a gate electrode in the first trench; a first electrode located on the first plane side; and a second electrode located on a second plane side. A depth of the fourth SiC region increases with distance from the first trench. |
| US11069798B2 |
Ballistic transport device and corresponding component
A device includes a particle propagation channel, a particle deflector, a particle source, and a particle sink. The particle deflector facilitates ballistic transport of particles from a particle inflow portion through a particle flow deflection portion to a particle outflow portion. The particle deflector is arranged at the particle flow deflection portion and is activatable to deflect particles in the flow deflection portion and is configured to selectively prevent the particles from reaching the particle outflow portion. The particle source and particle sink are configured to cause a current path of the particles through the device. |
| US11069793B2 |
Reducing parasitic capacitance for gate-all-around device by forming extra inner spacers
A semiconductor device includes a plurality of nanostructures. The nanostructures each contain a semiconductive material. A plurality of first spacers circumferentially wrap around the nanostructures. A plurality of second spacers circumferentially wrap around the first spacers. A plurality of third spacers is disposed between the second spacers vertically. A gate structure surrounds the second spacers and the third spacers. |
| US11069791B2 |
Method of manufacturing semiconductor devices and semiconductor devices
A method of manufacturing a semiconductor device, a plurality of fin structures are formed over a semiconductor substrate. The fin structures extend along a first direction and are arranged in a second direction crossing the first direction. A plurality of sacrificial gate structures extending in the second direction are formed over the fin structures. An interlayer dielectric layer is formed over the plurality of fin structures between adjacent sacrificial gate structures. The sacrificial gate structures are cut into a plurality of pieces of sacrificial gate structures by forming gate end spaces along the second direction. Gate separation plugs are formed by filling the gate end spaces with two or more dielectric materials. The two or more dielectric materials includes a first layer and a second layer formed on the first layer, and a dielectric constant of the second layer is smaller than a dielectric constant of the first layer. |
| US11069789B2 |
Varied silicon richness silicon nitride formation
A method to fabricate a non-planar memory device including forming a multi-layer silicon nitride structure substantially perpendicular to a top surface of the substrate. There may be multiple non-stoichiometric silicon nitride layers, each including a different or same silicon richness value from one another. |
| US11069787B2 |
GaN-based microwave power device with large gate width and manufacturing method thereof
The present invention provides a GaN-based microwave power device with a large gate width and manufacturing method thereof. The device includes an AlGaN/GaN heterojunction epitaxial layer, a first dielectric layer overlying the AlGaN/GaN heterojunction epitaxial layer, a strip-like source electrode, a drain electrode distributed in a shape of a fishbone, an annular gate electrode, a second dielectric layer separating upper and lower electrodes, and an interconnect metal electrode pad. The GaN-based microwave power device with the large gate width prepared according to the present invention, has a small phase shift of the signals, a small parasitic capacitance of the device, a high signal gain, high power added efficiency and a high output power. At the same time, the manufacturing process of the device is simple, the chip area is saved, and the device has a good repeatability. |
| US11069786B2 |
Controlling execution of software by combining secure boot and trusted boot features
Controlling execution of software is provided. In response to receiving an input to execute a software module on a data processing system, a set of measurements are performed on the software module performing a process to prepare the software module for execution on the data processing system. In response to determining that the set of measurements meets a predetermined criterion, an authorization to proceed with the process of preparing the software module for execution on the data processing system is requested from a trusted third party computer. In response to receiving the authorization to proceed with the process of preparing the software module for execution on the data processing system from the trusted third party computer, the software module is executed. |
| US11069783B2 |
Semiconductor device, semiconductor module, and packaged semiconductor device
A semiconductor device includes a semiconductor substrate including a first conductivity-type impurity, a low-concentration impurity layer including a first conductivity-type impurity having a concentration lower than a concentration of the first conductivity-type impurity in the semiconductor substrate, a backside electrode including a metal material, and first and second transistors in the low-concentration impurity layer. The first transistor includes a first source electrode and a first gate electrode on a surface of the low-concentration impurity layer, the second transistor includes a second source electrode and a second gate electrode on the surface of the low-concentration impurity layer. The semiconductor substrate serves as a common drain region of the transistors. The thickness of the backside electrode ranges from 25 to 35 μm, and the ratio of the thickness of the backside electrode to the thickness of a semiconductor layer including the semiconductor substrate and the low-concentration impurity layer is 0.32 or more. |
| US11069782B2 |
Semiconductor device comprising a gradually increasing field dielectric layer and method of manufacturing a semiconductor device
A semiconductor device includes a transistor in a semiconductor body having a main surface. The transistor includes a source region; a drain region; a body region; a drift zone; a gate electrode at the body region, the body region and the drift zone being disposed along a first direction between the source region and the drain region, and the first direction being parallel to the main surface; a field plate disposed in each of a plurality of field plate trenches, each of the field plate trenches having a longitudinal axis extending along the first direction; and a field dielectric layer between the field plate and the drift zone, a thickness of the field dielectric layer at a bottom of each of the field plate trenches gradually increases along the first direction, the thickness being measured along a depth direction of the plurality of field plate trenches. |
| US11069781B2 |
Crystalline semiconductor film, plate-like body and semiconductor device
A semiconductor film, a sheet like object, and a semiconductor device are provided that have inhibited semiconductor properties, particularly leakage current, and excellent withstand voltage and heat dissipation. A crystalline semiconductor film or a sheet like object includes a corundum structured oxide semiconductor as a major component, wherein the film has a film thickness of 1 μm or more. Particularly, the semiconductor film or the object includes a semiconductor component of oxide of one or more selected from gallium, indium, and aluminum as a major component. A semiconductor device has a semiconductor structure including the semiconductor film or the object. |
| US11069779B2 |
Silicon carbide semiconductor device and method for manufacturing the same
A silicon carbide semiconductor device includes a first semiconductor layer of silicon carbide, a device structure provided on top of the first semiconductor layer, a second semiconductor layer of silicon carbide having a higher impurity concentration than the first semiconductor layer, provided under the first semiconductor layer, the second semiconductor layer implementing an ohmic-contact, and a metallic electrode film provided under the second semiconductor layer. A thickness of a carbon-containing region in which carbon-atoms are precipitated between the second semiconductor layer and the metallic electrode film is 10 nm or less. |
| US11069778B2 |
Silicon carbide components and methods for producing silicon carbide components
A method for producing a silicon carbide component includes forming a silicon carbide layer on an initial wafer, forming a doping region of the silicon carbide component to be produced in the silicon carbide layer, and forming an electrically conductive contact structure of the silicon carbide component to be produced on a surface of the silicon carbide layer. The electrically conductive contact structure electrically contacts the doping region. Furthermore, the method includes splitting the silicon carbide layer or the initial wafer after forming the electrically conductive contact structure, such that a silicon carbide substrate at least of the silicon carbide component to be produced is split off. |
| US11069777B1 |
Manufacturing method of self-aligned DMOS body pickup
A manufacturing process of a DMOS device in a drift region in a semiconductor substrate, having: forming a polysilicon layer above the drift region; forming a block layer above the polysilicon layer; etching both the block layer and the polysilicon layer, through a window of a first masking layer to expose a window to the drift region; implanting dopants through the window to the drift region to form a body region; forming blocking spacers to wrap side walls of the polysilicon layer; implanting dopants into the body region under a window shaped by the blocking spacers to form a body pickup region; etching away the blocking spacers; performing a masking step to form gates; forming ONO spacers to wrap side walls of the gates; and performing a masking step to form source regions and drain pickup regions. |
| US11069776B2 |
Semiconductor device
Disclosed is a semiconductor device including a first active pattern that extends in a first direction on an active region of a substrate, a first source/drain pattern in a recess on an upper portion of the first active pattern, a gate electrode that runs across a first channel pattern on the upper portion of the first active pattern and extends in a second direction intersecting the first direction, and an active contact electrically connected to the first source/drain pattern. |
| US11069774B2 |
Shallow trench isolation structure and semiconductor device with the same
A shallow trench isolation structure and a semiconductor device. The shallow trench isolation structure includes a substrate; at least one trench located at a top surface of the substrate; and a first dielectric layer, a second dielectric layer and a third dielectric layer that are sequentially stacked on an inner wall of each of the at least one trench. A topmost surface of the first dielectric layer is lower than a topmost surface of the second dielectric layer and the top surface of the substrate, to form a first groove between the second dielectric layer and the substrate. An edge corner between the top surface of the substrate and the inner wall of each of the at least one trench is in a shape of a fillet curve. The fillet structure is smooth and round without a sharp corner, reducing point discharge and improving reliability of the shallow trench isolation structure. |
| US11069772B2 |
Techniques for fabricating planar charge balanced (CB) metal-oxide-semiconductor field-effect transistor (MOSFET) devices
Aspects of the present disclosure are directed toward designs and methods of manufacturing semiconductor devices, such as semiconductor charge balanced (CB) devices or semiconductor super-junction (SJ) devices. The disclosed designs and methods are useful in the manufacture of CB devices, such as planar CB metal-oxide semiconductor field-effect transistor (MOSFET) devices, as well as other devices. |