Document Document Title
US11240950B2 Component mounting apparatus
The image including both of the component and the nozzle that is being lowered toward the component is captured. The target height at which the nozzle is stopped in the mounting process is controlled based on this image. This enables the target height at the time of lowering the nozzle toward the component to be controlled regardless of a flow rate of air sucked from the nozzle.
US11240947B2 Carrier tape system and components and methods of use
The current disclosure describes carrier tape systems, which include a cover tape having adhesion areas and non-adhesion areas which are substantially free of adhesive. Methods for supplying semiconductor devices to an apparatus, which in operation, places the semiconductor devices at desired locations are also described. Methods of forming a semiconductor device carrier system are also described.
US11240943B2 Ceramic coated flow channels for electrical isolation and thermal transfer
The disclosed concept relates to electrical isolation between power electronic and cooling and/or mounting components and, in particular, a ceramic layer disposed on one or more portions of the cooling and/or mounting components to provide electrical isolation, as well as, a thermally conductive path to remove heat produced by the power electronic component.
US11240942B2 Control of ionic cooling in wireless charging systems
In accordance with some embodiments of the present invention, an ion cooling engine (ICE) controlled by a transmitting or receiving device cools a transmit or receive coil and possibly other parts of a wireless power transmitter or receiver system. In some embodiments, the ICE includes a low-voltage circuit controlled by the transmitting device and coupled to a high voltage circuit that generates the airflow. Other features are also provided.
US11240939B2 Heat dissipation control method, apparatus, and device
A heat dissipation control method includes determining a total power consumption of a heat generating component and a heat dissipating component, determining a heat dissipation parameter based on the total power consumption of the heat generating component and the heat dissipating component, and controlling an operating state of the heat dissipating component based on the heat dissipation parameter.
US11240936B2 Rack arrangement for a data center
A rack arrangement for a data center includes at least one row of racks including a plurality of computer racks and an air handler rack. Each computer rack includes a computer rack frame including a housing unit for housing computer equipment. The air handler rack includes an air handler rack frame, a heat exchanger and at least one fan. The at least one fan is configured for pulling air into the air handler rack via an air inlet side and discharging air via an air outlet side of the air handler rack, directing air through the heat exchanger. An air inlet side of any one of the computer racks and the air outlet side of the air handler rack are on a cold aisle side of the at least one row of racks. At least one selected rack is stacked atop the air handler rack.
US11240932B1 Cold plate
This technology relates to a cooling system for reducing the amount of heat within a sensor housing. The system comprising a cold plate containing an interior liquid cooling channel containing a cooling fluid, a heat exchanger attached to the cold plate, and at least one fan configured to generate an air flow loop. The heat exchanger is configured to draw heat from the air flow loop and pass the drawn heat to the cold plate, which in turn, passes the drawn heat to the cooling liquid.
US11240925B1 System and method for long cable management and plug protection system
A cable management system for a cable in a dock capable of physical connection with an information handling system. The cable management system is configured such that rotation of a bottom cover in a first direction engages a gear and rotates a plurality of gears to extend the cable from the dock and rotation of the bottom cover in an opposite direction disengages one or more of the gears, wherein rotation of the bottom cover retracts the cable and friction forces apply tension to the cable to prevent the cable from tangling during retraction. A plug protection system covers the plug when the cable is retracted to protect the plug and uncovers the plug to allow extension of the cable for physically connection of the plug into a port in an information handling system.
US11240923B2 Flexible display device
The present application provides a flexible display device, including a housing, at least one winding mechanism, a flexible display screen and at least one stretching mechanism. When the flexible display screen is in a first state, the stretching mechanism pulls the winding mechanism to pull the flexible display screen out of the winding mechanism; when the flexible display screen is in a second state, the stretching mechanism pulls the winding mechanism to receive the flexible display screen into the winding mechanism. The flexible display device is smaller in size by winding the flexible display screen in the housing.
US11240921B2 Display device and electronic device including the same
Various embodiments of the disclosure relate to a display device and an electronic device including the same, and for example, to a display device with a filler flow restricting structure for preventing and/or reducing part of a filler from projecting to the outside of the display device in the process of manufacturing the display device and an electronic device including the same. According to an embodiment, a display device comprises a window, a first substrate spaced apart from the window member to define a space, an optical adhesive disposed between the window and the first substrate and configured to attach the window with the first substrate, and a filler flow restricting structure disposed in the space between the window member and the first substrate and formed in a specified area of the first substrate.
US11240916B2 Electronic device, method and apparatus for producing an electronic device, and composition therefor
An electronic device, a method and apparatus for producing an electronic device, and a composition therefor are disclosed. An adhesive material is applied in a first pattern on a surface of a receiver substrate. A carrier having a metal foil disposed thereon is brought into contact with the first substrate such that a portion of the metal foil contacts the adhesive material. The adhesive material includes a first polymer, a second polymer, and a conductive carbon black dispersion, and is activated using at least one of mechanical pressure and heat while the portion of the metal foil is in contact with the adhesive material. The first substrate and the second substrate are separated, whereby the portion of the metal foil is transferred to the first substrate. The adhesive is electrically conductive to maximize the possibility of maintaining electrical connectivity even when there is a break in the metal foil.
US11240910B2 Heat dissipation structure and electronic device
A heat dissipation structure applied to an electronic device includes a circuit board assembly, a pipe, a refrigerant fluid, and a water pump. The circuit board assembly is provided with a receiving chamber therein, an inlet, and an outlet. Each of the inlet and the outlet communicates with the receiving chamber. The pipe and the receiving chamber together form a liquid channel. The refrigerant fluid is received in the liquid channel. The water pump communicates with the pipe and is configured to circulate the refrigerant fluid in the liquid channel to remove heat from the circuit board assembly.
US11240909B2 Antenna device
An antenna device includes an antenna, a first ground conductor, and an artificial magnetic conductor. The artificial magnetic conductor is sandwiched between the antenna and the first ground conductor, and separated from the antenna and the first ground conductor. The first ground conductor includes a first cutaway part on one end side, the first cutaway part having a substantially rectangular shape.
US11240901B2 Auto detection of type of device using single wire two-way communication
A dimmer switch system for dimming a load includes a master dimmer structured to be electrically connected to a power source and the load and to control dimming of the load by regulating power provided from the power source to the load, and at least one accessory dimmer structured to be electrically connected to the master dimmer via a traveler conductor. The master dimmer is structured to generate a first control signal on the traveler conductor to indicate a type of the master dimmer, and the at least one accessory dimmer is structured to selectively enable or disable one or more functions of the at least one accessory dimmer based on the type of the master dimmer.
US11240896B2 Automatic configuration of a load control system
A control module is able to be installed with electrical devices, such as, for example electrical loads (e.g., lighting loads) and/or load regulation devices. The control module may determine whether an LED driver for an LED light source is responsive to one or more of a plurality of control techniques. The control module may be able to automatically determine an appropriate control technique to use to control the connected LED driver and/or LED light source. The control module may sequentially attempt to control the LED driver and/or LED light source using each of the plurality of control techniques and determine if the LED driver and/or LED light source is responsive to the present control technique. The plurality of control techniques may include one or more analog control techniques and one or more digital control techniques.
US11240895B2 Hybrid driving scheme for RGB color tuning
A device includes an analog current division circuit configured to divide an input current into a first current and a second current, and a multiplexer array including a plurality of switches to provide the first current to a first of three colors of LEDs and the second current to a second of three colors of LEDs simultaneously during a first portion of a period, the first current to the second of three colors of LEDs and the second current to a third of three colors of LEDs simultaneously during a second portion of the period, and the first current to the first of three colors of LEDs and the second current to the third of three colors of LEDs simultaneously during a third portion of the period.
US11240894B2 Drive circuit, light emitting device, distance measurement apparatus, and mobile body
A drive circuit includes a plurality of capacitors; a plurality of first interrupters configured to select paths through which electric charges are supplied to the plurality of capacitors; and a plurality of second interrupters configured to select paths through which the plurality of capacitors supply electric charges to a plurality of light emitting elements. In a case where the first interrupters are controlled and an electric charge is stored in a capacitor corresponding to one light emitting element included in the plurality of light emitting elements to selectively turn on the one light emitting element, at least while an electric charge is supplied to a light emitting element to be turned on, one second interrupter coupled to a path through which an electric charge is supplied to a light emitting element not to be turned on interrupts the path.
US11240887B2 Keypad interface for programming a load control system
A control device for power delivered to electrical loads in a load control system via respective load control devices may comprise a programming user interface for programming the operation of the load control system. The control device may be configured to select one or more load control devices in response to successive actuations of a programming button of the programming interface. The control device may be configured to controllably illuminate visual indicators of the programming interface to indicate which of the load control devices is selected in response to successive actuations of the programming button. The control device may transmit programming information to the load control devices. The programming information may determine which of the load control devices are responsive to a digital message transmitted on the digital communication link.
US11240884B2 Inductive heating device, aerosol-generating system comprising an inductive heating device and method of operating the same
An inductive heating device, an aerosol-generating system, and a method of operating the device are provided. The device is configured to receive an aerosol-generating article including an aerosol-forming substrate and a susceptor, and to heat the susceptor when the article is received by the device, the device including a DC power supply; and power supply electronics configured to supply power to the inductor in a plurality of pulses separated by time intervals, for heating the susceptor when the article is received by the device, the pulses including two or more heating pulses and one or more probing pulses between successive heating pulses, and to control a duration of a time interval between the successive heating pulses based on one or more measurements of the current supplied from the DC power supply in one or more of the one or more probing pulses.
US11240883B2 Conductive convective climate controlled seat
A climate controlled assembly includes a support member having a first surface configured to support an occupant, a channel within the support, the channel extending from the first surface through a portion of the support, a thermoelectric device positioned within the channel, a heat exchanger conductively coupled to a first side of the thermoelectric device, the heat exchanger positioned within the channel and a flexible conductive member conductively coupled to a second side of the thermoelectric device, a portion of the flexible conductive member extending along the first surface of the support member.
US11240875B2 Wireless communication apparatus, communication method, and integrated circuit
A BSS to which a destination wireless communication apparatus of a physical layer frame belongs is identified, and accuracy of preamble detection is improved by changing a reception operation. A wireless communication apparatus includes a reception unit that detects a frame including information for identifying a BSS, and a control unit that switches between a first operation in a case where the frame is a frame which is associated with a BSS to which the wireless communication apparatus belongs and a second operation in a case where the frame is a frame which is not associated with the BSS to which the wireless communication apparatus belongs. Carrier sensing is not performed in the first operation, and the carrier sensing is performed in the second operation.
US11240874B2 Data transmission method and device
A data transmission method includes: receiving a first indication message from a base station, the first indication message including first information indicating a PDCP packet duplication function and at least two transmission entities configured for a radio bearer (RB) by the base station; setting a transmission function corresponding to the RB as the PDCP packet duplication function according to the first indication message; setting a transmission entity corresponding to the RB according to the at least two transmission entities indicated in the first indication message; setting a present state of the PDCP packet duplication function, the present state including an active state and an inactive state; and performing data transmission according to the present state and the transmission entity.
US11240865B2 Method for dynamically adjusting a Bluetooth connection interval applied to ECG measuring instrument
A method for dynamically adjusting a Bluetooth connection interval applied to an ECG measuring instrument includes: S1. initializing a Bluetooth module in a slave machine of the ECG measuring instrument, which enters an executable working status after self-inspection; S2. setting a Bluetooth system connection status based on a system status marking event sent from the slave machine to a master machine; S3. according to the connection status determined in step S2, the master machine and the slave machine entering a low-speed connection status after they complete data transmission in a high-speed connection status; S4. implementing interrupt processing between the master machine and the slave machine if no data transmission occurs between the master machine and the slave machine over 2 ms; and S5. going back to step S2 if the connection needs to be restored.
US11240859B2 Method and apparatus for multi-RAT access mode operation
A method and apparatus for multiple radio access technology (multi-RAT) access mode operation for a wireless transmit/receive unit (WTRU) are disclosed. A WTRU and a network may enable a multi-RAT access mode of operation based on at least one of WTRU subscription, a service agreement of the WTRU, a roaming status of the WTRU, a selected access point name (APN), an Internet protocol (IP) flow class, a subscriber profile identity for the WTRU, requested quality of service, or a proximity indication indicating proximity to a cell supporting multi-RAT access mode. The WTRU may send a capability indication of support of multi-RAT access to a network, wherein the multi-RAT access mode is enabled based on the capability indication. A partial handover of bearers may be performed. In performing the handover, the target cell is determined based on a priority rule.
US11240857B2 Wireless link pairing authentication
Systems and methods include a medical device that matches an identifier received over its optical channel and associated with a control device within a line-of-sight of the medical device with an identifier received over its wireless channel and that automatically pairs with the control device associated with the matching identifier over its wireless channel, as well as, a control device that matches an identifier received over its optical channel and associated with a medical device within a line-of-sight of the control device with an identifier received over its wireless channel and that automatically pairs with the medical device associated with the matching identifier over its wireless channel, as well as, a first device and a second device that automatically pair over a wireless channel based on a location identifier received over an optical channel from a transmitter within a line-of-sight of the first device and the second device.
US11240856B2 Access point name determination for mission critical services
A method for determining an access point name (APN) for mission critical services includes determining, at a user equipment (UE), APN information of a packet data network (PDN) based on at least one of a mission critical organization name, a registered public land mobile network identifier, or a home public land mobile network identifier currently associated with the UE; and connecting to the PDN based on the determined APN information.
US11240852B2 Network apparatus for designing collision avoidance and method for controlling the same
Disclosed herein is a network apparatus for designing collision avoidance and a method for controlling the same. The network apparatus for designing collision avoidance includes a plurality of controllers, and a main controller configured to generate a plurality of transmission schedule tables on the basis of transmission data for the plurality of controllers, perform real-time monitoring, and select and change one of the plurality of the transmission schedule tables for collision avoidance.
US11240850B2 Method and apparatus for handling MSGA retransmissions during two step random access procedures in wireless communication system
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for the Internet of things (IoT). The present disclosure may be applied to intelligent services based on 5G communication technology and IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method and apparatus for handling message A retransmission during 2 step random access procedures.
US11240846B2 Anonymous collection of directional transmissions
A method for communication includes detecting, at a first station in a wireless network, a beacon transmitted over the wireless network by a second station having multiple antennas. In response to the beacon, a request-to-send (RTS) frame is transmitted over the wireless network using a multi-carrier modulation scheme from the first station to the second station. The first station receives a clear-to-send (CTS) frame transmitted over the wireless network, in response to the RTS frame, by the second station via the multiple antennas using the multi-carrier modulation scheme, and estimates an angle of transmission from the second station to the first station based on the received CTS frame.
US11240839B2 Feedback transmissions using uplink shared channel
Methods, systems, and devices for wireless communications provide for feedback transmissions using an uplink shared channel. A user equipment (UE) may transmit feedback to a base station using physical uplink shared channel (PUSCH) resources. The base station may transmit an uplink grant to the UE indicating a set of resources for uplink data transmissions. The base station may subsequently transmit a downlink grant for the UE. Based on monitoring resources indicated by the downlink grant, the UE may generate feedback indicating the success of receiving or decoding the PDSCH transmission. The UE may transmit the feedback to the base station on the PUSCH resources. In some cases, the UE may transmit both the feedback for the PDSCH transmission received after the uplink grant and for a second PDSCH transmission received prior to the uplink grant using PUSCH resources.
US11240828B2 Methods for adapting over-the-air synchronization to radio conditions
Embodiments include methods, in a base station operating in a wireless communications network, for over-the-air synchronization with a cell served by a further base station. Such methods include receiving time synchronization information and muting availability information associated with a plurality of further base stations serving a plurality of cells. Such methods also include determining that a cell served by a first further base station is a preferred synchronization source cell for the base station, and sending, to one or more second further base stations, respective requests to activate muting in one or more of the cells served by the second further base stations. Embodiments include complementary methods performed by a further base station, and base stations configured to perform operations corresponding to the exemplary methods.
US11240819B2 User terminal and radio communication method
A terminal is disclosed including a receiver that receives information on a control resource set including a candidate of a downlink control channel, and a processor that assumes a resource corresponding to the downlink control channel is an unavailable resource for downlink data when the control resource set overlaps with the downlink data. In other aspects, a radio communication method for a terminal is also disclosed.
US11240810B2 Method of operating terminal in wireless communication system and the terminal
A method of operating a terminal is provided. The method includes: selecting a first pattern as a pattern of a reception beam; searching for cells in the wireless communication system using the reception beam of the first pattern; determining a first candidate group including at least one candidate for a beam pattern pair with the first pattern of the reception beam, wherein each of the at least one candidate corresponds to a transmission beam pattern and a cell; determining whether to decode a physical broadcast channel received from a first candidate of the first candidate group; decoding the PBCH based on the determining; and selecting one of the transmission beam patterns for the beam pattern pair with the first pattern of the reception beam from the first candidate group based on the decoding.
US11240808B2 Method and arrangement for identity collection
Methods and arrangements are disclosed for collecting subscriber identity. A cell is formed for carrying out communications with mobile devices. A channel bandwidth indication is transmitted and indicates to cellular mobile devices the formed cell utilizes bandwidth identical to the bandwidth utilized in neighboring real cells. A downlink radio channel power level on a given continuous channel subset of the indicated channel bandwidth is provided. A communication request from a cellular mobile device is received and radio resources allocated to the cellular mobile device from the given continuous channel subset of the indicated channel bandwidth. A subscriber identity of the cellular mobile device is received from the cellular mobile device.
US11240804B2 Frequency location indexing for a wideband component carrier
A method, system, and device for resource block (RB) indexing in a user equipment (UE) is provided. In an embodiment, the method includes obtaining, at the UE, a UE-independent frequency reference point. The method also includes determining, by the UE, a UE-independent index of an RB according to the UE-independent frequency reference point.
US11240801B2 Dynamic resource management
An access node may monitor for uplink and downlink resource release indications signaled by a parent access node and a child access node prior to scheduling a released resource. In some cases (e.g., when the child node is capable of half-duplex communications), the parent access node may determine to release a resource, and the child access node may determine to release a hard resource (e.g., a child node controlled resource). Receiving uplink and downlink resource release indications may enable the access node to schedule communication with the child node via a soft resource (e.g., a parent node controlled resource). Other aspects of the described techniques are directed to feedback support for a slot format indicator (SFI). The feedback from the access node may accept or reject the SFI based on an impact the SFI has on scheduling via a child link established with a child node of the access node.
US11240799B2 Method and device for indicating resource allocation
Embodiments of the disclosure provide a method and device for indicating time domain resource allocation. The method comprises: determining time information of a resource region based on numerology information of the resource region, the resource region being allocated for transmitting data to a terminal device; and transmitting the time information to the terminal device to enable the terminal device to receive the data on the resource region.
US11240794B2 Method for indicating PDSCH receiving information, data receiving method, and apparatus
This application discloses a method for indicating PDSCH receiving information, a data receiving method, and an apparatus. According to this application, a network device generates first indication information, where the first indication information is used to indicate physical downlink shared channel PDSCH receiving information, and the PDSCH receiving information includes information identical to physical downlink control channel PDCCH receiving information; and the network device transmits the first indication information over a PDCCH. This application can be used to improve efficiency of indicating PDSCH receiving information, thereby improving PDSCH receiving performance.
US11240786B2 Communication method, network device and terminal
The present invention provides a communication method, network device and terminal, to improve the flexible in transmitting the PUCCH. A communication method is provided, which comprises: determining, by a network device, one or more first slots to be configured for a terminal to carry a first Physical Uplink Control Channel, PUCCH; and, sending, by the network device, a first piece of information to the terminal, to configure the terminal to carry the first PUCCH in the one or more first slots.
US11240783B2 V2X transmission resource selecting method implemented by terminal in wireless communication system and terminal using same
The present invention provides a V2X operation method implemented by a V2X (vehicle-to-X) terminal in a wireless communication system, the method characterized by: if a V2X transmission operation and a wide area network (WAN) transmission operation overlap in a time domain, determining whether or not the V2X transmission operation and the WAN transmission operation are performed on a same carrier; and performing the V2X transmission operation on the basis of the determination, wherein, if the V2X transmission operation and the WAN transmission operation are performed on different carriers, the V2X transmission operation is performed on the basis of a transmission power applied to the V2X transmission operation or, if the V2X transmission operation and the WAN transmission operation are performed on the same carrier, the V2X transmission operation is performed on the basis of a priority applied to the V2X transmission operation.
US11240781B2 Communication method, terminal apparatus, and access network apparatus
A communication method, a terminal device, and an access network device are provided. The method includes: the terminal device receives a first message sent by an access network device; and the terminal device determines a paging type according to the first message. The terminal device includes an input interface and a processor, wherein the input interface is used for receiving a first message sent by an access network device; and the processor is used for determining a paging type according to the first message.
US11240778B2 Configurable quality metric for positioning measurements
Disclosed are techniques for wireless communication. In an aspect, a network node performs one or more positioning measurements of one or more types of positioning measurements of one or more reference signals, and reports, to a positioning entity, the one or more positioning measurements and one or more measurement quality values representing a measurement quality of the one or more positioning measurements, the one or more measurement quality values based on measurement quality reporting parameters, wherein the measurement quality reporting parameters comprise a minimum error value, a maximum error value, a number of bits used for the one or more measurement quality values, a scaling function or an identifier of the scaling function, or any combination thereof.
US11240772B2 Out-of-synchronization processing method, intermediate communication apparatus, and communication system
An out-of-synchronization processing method implemented in an intermediate communication apparatus includes obtaining synchronization information for synchronizing with a downstream communication apparatus, and performing a search for an upstream communication apparatus and a communication with the downstream communication apparatus. A parameter is adjusted according to the synchronization information during the communication with the downstream communication apparatus.
US11240768B2 Method of controlling maximum output power of a transmitter of an unmanned aerial vehicle
A method (10) of controlling maximum output power of a transmitter (23) of an unmanned aerial vehicle (2) is disclosed. The method (10) is performed by the unmanned aerial vehicle (2) and comprises obtaining (11) information about its height h over ground, and adapting (12) maximum allowed output power based on the obtained information about the height h over ground. A corresponding method in a network node, an unmanned aerial vehicle, a network node, computer programs and computer program products are also disclosed.
US11240764B2 Method for improving the performance of an uplink non-orthogonal multiple access method
A method for improving performance of an uplink non-orthogonal multiple access system under imperfect received user power control. The method is based on a plurality of user-specific transmitter filters assigned to a plurality of users. At a transmitter of each user, a signal to be transmitted according to the uplink non-orthogonal multiple access (NOMA) method is filtered by a unique filter assigned to a corresponding user, and then a baseband-to-RF processing is performed onto a symbol sequence to generate a transmitted signal. Each user transmits their respective signal using a same time-frequency resource, and receiver receives a superimposed signal which is transmitted through a plurality of respective uplink channels under imperfect received power control. An RF-to-baseband conversion is applied onto a received superimposed signal. Then, a receiver signal detection module; including an interference-cancellation multi-user detector detects each user data using knowledge of a plurality of transmitter filters of each user.
US11240744B2 Method for charging data of an application routed on a slice of a communication network
A method for fee-charging data of an application transmitted on a section of a communication network, implemented in a device for accessing the network. The method includes: detecting an activation of the application; transmitting an identification message including information relating to the identification of the application intended for an entity for managing sections of the network; receiving, from the entity for managing sections of the network, a notification message including at least one identifier of a section of the network and of fee-charging parameters associated with the at least one identifier; and, depending on the received message, initializing the fee-charging of the data of the application.
US11240743B2 Storing Wi-Fi and cellular tower database to assist cellular network system selection
A method of selecting a cellular network includes storing a location database in a memory of a mobile device, the location database providing location data for one or more locations each identified by a unique identifier, in response to recognizing the identifier, determining a current location of the mobile device by looking up the identifier in the database, prioritizing bands based on the current location to define a band priority, and selecting the cellular network based on the band priority.
US11240738B2 Base station, terminal, and communication method
In a base station, a setting unit for setting the number of detections sets at least one search space that includes plural control channel candidates to be targets of detection of a control signal in a terminal, and a transmission unit transmits the control signal that is mapped on any of the plural control channel candidates in the search space. Here, the number of detections in the search space by the terminal is determined based on settings of the terminal.
US11240735B2 Communication system
There is provided a method comprising: determining the occurrence of a change in System Information; determining whether or not the System Information was transmitted to a user equipment by at least one network apparatus during a time period immediately prior to determining said occurrence; and causing an indication of the occurrence of said change to be transmitted to the user equipment when it is determined that the System Information was transmitted to the user equipment within the time period.
US11240733B2 Access control in connected mode, idle mode, and inactive state
Certain aspects of the present disclosure relate to methods and apparatus for enabling access control in a connected mode, idle mode, and an inactive state. An exemplary method generally includes receiving access control information associated with one or more services used by the UE for communicating with the wireless communications network, receiving a request to transmit traffic using the one or more services, checking a type of the traffic against the access control information, and scheduling the traffic for transmission if the type of the traffic satisfies one or more criteria in the access control information based on the checking.
US11240731B2 Controlling data communication quality in software-defined heterogenous multi-hop ad hoc networks
Methods, devices and systems that use a control channel to coordinate quality of data communications in software-defined heterogenous multi-hop ad hoc networks are described. In some embodiments, an example apparatus for wireless communication in a network includes performing, using a control plane, network management functions over a control channel that has a first bandwidth, implements a frequency-hopping operation, and operates at in a first frequency band, and performing, using a data plane that is physically and logically decoupled from the control plane, data forwarding functions, based on a routing decision, over at least one data channel that has a second bandwidth and operates in a second frequency band different from the first frequency band.
US11240728B2 Methods and apparatus for selecting a network route for data communications for IoT devices
In some implementations, a message indicating a request for delivery of data to user equipment (UE) (e.g. an IoT device) operative for communications in a mobile network may be received from an application server. One or more first loading or congestion indication values indicative of a first loading or congestion at one or more first network nodes along a first mobile network route may be obtained. In addition, one or more second loading or congestion indication values indicative of a second loading or congestion at one or more second network nodes along a second mobile network route may be obtained. The first or the second mobile network route may be selected based on at least one of the one or more first and the second loading or congestion indication values. The data may be delivered to the UE over the selected mobile network route.
US11240725B2 Wireless communication device, wireless communication system, wireless communication method, and computer program product
According to an embodiment, a wireless communication device includes a memory and one or more hardware processors coupled to the memory. The one or more hardware processors are configured to function as a communication control unit and a determination unit. The communication control unit transmits and receives data to and from a first wireless communication device. The determination unit calculates transmission and reception information based on a transmission and reception result of the data, and variation of received signal intensity of the data, and determines whether to maintain connection to the first wireless device based on the transmission and reception information and the variation. The communication control unit controls communication according to a determination result of the determination unit.
US11240718B2 Method and apparatus for inter-radio access network mobility
The present disclosure relates to a method and apparatus for optimizing mobility robustness by controlling an inter-Radio Access Technology (inter-RAT) factor. A method for supporting inter-Radio Access Network (RAN) mobility by a source Base Station (BS) in a wireless communication system includes transmitting a handover request message to a target BS, receiving a RAN information request message including a measurement report from the target BS in response to the handover request message, and determining to amend a mobility setting, if it is determined that an unnecessary handover has occurred based on the RAN information request message. The handover request message includes at least one of a Tracking Area Identifier (TAI) of a tracking area to which the source BS belongs, a global BS Identifier (ID), and an E-UTRAN (Evolved-UMTS (Universal Mobile Telecommunication System) Terrestrial Radio Access Network) Cell Global ID (ECGI).
US11240714B2 Wireless communication node scanning and association
Systems, devices, and techniques are described for communication node scanning and association in a wireless communication network. An illustrative method includes receiving, via a first channel, identifying information that identify a plurality of communication nodes that are configured to communicate via at least a second channel. The illustrative method further includes initiating communication, via at least the second channel, with a communication node based, at least in part, on the identifying information.
US11240712B2 Data migration method and apparatus
A data migration method is disclosed. The method includes: performing, by a source base station, a TCP proxy for user equipment; learning, by the source base station, that the user equipment is to be handed over to a target base station; sending, by the source base station to the target base station, context information including a sequence number of a data packet, and the sequence number of the data packet is a largest sequence number of data packets that have been acknowledged by the user equipment or a smallest sequence number of data packets that have not been acknowledged by the user equipment; and migrating, by the source base station by using the SCTP, the data packets that have not been acknowledged by the user equipment to the target base station.
US11240704B2 Road-side network node and method to operate the road-side network node
A method to operate a road-side network node in a cell-supported radio communications network and in an adhoc radio communications network is provided. The method includes providing data to be transmitted; and determining a transmission instruction for the data, the transmission instruction including a channel selection indicating a) a transmission of the data via a sidelink radio channel of the cell-supported radio communications network, b) a transmission of the data via an adhoc radio channel of the adhoc radio communications network, or c) a transmission of the data via the sidelink radio channel and the adhoc radio channel. The method also includes initiating a transmission of the data via the sidelink radio channel and/or via the adhoc radio channel according to the transmission instruction.
US11240699B2 Insufficient resources in the UE during PDU session establishment procedure
A method of handling insufficient resources in a user equipment (UE) during a PDU session establishment procedure is proposed. During a PDU session establishment procedure, UE sends a PDU SESSION ESTABLISHMENT REQUEST message to the network. UE then receives a PDU SESSION ESTABLISHMENT ACCEPT message from the network, the ACCEPT message carries various PDU session parameters including authorized QoS rules and QoS flows. If UE decides to reject the addition of the new authorized QoS flow description or the new authorized QoS rule due to lack of resources, UE may initiate a PDU session release procedure with 5G session management (5GSM) cause IE #26 “insufficient resources”. In an alternative embodiment, UE may synchronize with the network by sending a PDU session modification request message to delete certain QoS rules/flow descriptions with 5GSM cause IE #26 “insufficient resources”.
US11240698B2 Wireless protocol layer entity processing method and corresponding user equipment
The present disclosure provides a method executed at UE, including: determining initiation of a radio resource control (RRC) connection reestablishment procedure or leaving RRC connected state; and performing the following operations on each of at least one cell group: suspending a service data adaptation protocol (SDAP) operation and/or storing an SDAP configuration in a corresponding cell group configuration; or releasing an SDAP entity used to execute the SDAP operation and/or the SDAP configuration in the corresponding cell group configuration. The present disclosure further provides corresponding UE.
US11240691B2 Selective providing of a transition recommendation based on response history
During operation, an access point compares a communication performance metric of the access point and a parameter corresponding to communication performance metrics of one or more second access points. For example, the access point may determine the communication performance metric based on communication with one or more electronic devices and/or may receive information specifying the communication performance metrics of the one or more second access points. Then, the access point selectively provides a recommendation for a first connected electronic device in the one or more electronic devices based at least in part on the comparison and a history of responses of at least the first connected electronic device to one or more previous recommendations, where the recommendation indicates that the first connected electronic device, which is associated with the access point, transition to a different communication channel.
US11240687B2 Method and apparatus for configuring criteria for relay configuration in wireless communication system
A method performed by a wireless device in a wireless communication system, includes receiving a threshold value and a hysteresis value from a network; while in a radio resource control (RRC) idle mode, detecting that a measured quality of a cell is below the threshold value by the hysteresis value; establishing an RRC connection with the network to enter an RRC connected mode; and performing relaying operation between the network and a remote wireless device, upon establishing the RRC connection with the network.
US11240686B2 Dynamic sectorization in a system with multiple cloud radio access networks
A communication system is disclosed. The communication system includes a plurality of cloud radio access networks (C-RANs), each C-RAN comprising a baseband controller and a plurality of radio points (RPs). Each RP in the plurality of C-RANs is located at a site and is configured to exchange radio frequency (RF) signals with a plurality of wireless devices at the site. The communication system also includes a dynamic sectorization system communicatively coupled to each baseband controller. The dynamic sectorization system is configured to determine at least one signature vector for each of the wireless devices at the site. The dynamic sectorization system also is configured to map each RP in the plurality of C-RANs to one of a number of sectors (K) based on the at least one signature vector for each of the wireless devices at the site.
US11240683B2 Personal adaptive radio access network advanced capabilities
Personal adaptive radio access network advanced capabilities are provided. A device can include a transceiver; a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations comprising facilitating movement of the device from a first position associated with a user equipment (UE) to a second position in response to an observed signal strength at the UE from a communication network being determined to have fallen below a threshold; in response to facilitating the movement of the device, determining a first communication frequency for communications between the device and the UE based on features determined to be present in an environment associated with the UE; and conveying signals transmitted by the communication network to the UE via the transceiver at the first communication frequency instead of a second communication frequency used by the communication network.
US11240674B2 Systems and methods for UE to avoid issues in dynamic spectrum sharing
In an embodiment, a method, implemented in a User Equipment (UE) operating in Evolved Universal Terrestrial Radio Access Network (E-UTRAN) New Radio-Dual Connectivity (EN-DC), of adding a New Radio (NR) Secondary Node (SN) in EN-DC is disclosed. The method includes receiving, in response to a measurement report sent by the UE, configuration data associated with an NR cell. The method includes, ascertaining whether the configuration data comprises a pre-determined parameter indicative of a frequency-shift for dynamic spectrum sharing for an uplink. The method includes performing one of an addition of an NR SN corresponding to the NR cell or a transmission of a failure notification message to the MN, based upon determining that the pre-determined parameter indicative of the frequency-shift criteria for dynamic spectrum sharing for the uplink is absent or present in the configuration data.
US11240671B1 Bluetooth device connection methods and bluetooth devices
Disclosed herein are methods, systems, and media for providing Bluetooth connection between Bluetooth devices. One of the methods comprises: generating, by a first Bluetooth device, a code; encrypting the code to generate a first ciphertext in response to detecting that a Bluetooth connection is disconnected; generating, by the first Bluetooth device, a broadcast packet based on the first ciphertext, and broadcasting the broadcast packet to a second Bluetooth device; receiving a scanning request from the second Bluetooth device, the scanning request including a random private address; verifying the scanning request based on the random private address; sending, in response to verifying the scanning request, a scanning response to the second Bluetooth device based on the random private address in the scanning request; and establishing a Bluetooth connection with the second Bluetooth device in response to determining that a connection request from the second Bluetooth device is received.
US11240668B2 Universal personal identification signal
A universal identity and physical presence detection in the form of a personal, universal transponder signal is described. This signal allows a user to interact with devices in the user's environment without having to download vendor-specific apps, set up vendor-specific accounts or be limited to a siloed eco-system of a manufacturer brand. The universal signal representing an individual allows for devices and software to detect and query the beacon transmitting the signal for information relating to the user and augmented onto the physical environment. This provides a more personalized, efficient, and, in some instances, secure experience for the user. Embodiments focus on minimizing user workload to allow for seamless interactions with her environment. Various embodiments provide a truly universal signal for all users and devices to interact, wherein all parties benefit from a seamless and natural way of interacting in the physical world.
US11240666B2 Authentication method for accessing network, authentication device, and user device
This application discloses an authentication method for accessing a network, an authentication device, and a user device. The method includes: an authentication device receives an authentication response message sent by user device, where the authentication response message includes first data, and the first data is data obtained by the user device based on biometric feature data of a target user. The authentication device obtains second data from a server, where the second data is data obtained by the server based on biometric feature data of a user, and generates indication information when the first data is the same as the second data, where the indication information is used to indicate that the user device is authenticated. The authentication device sends the indication information to the user device.
US11240660B2 Unified security architecture
A security service function chain is created including a set of security service functions. The security service function chain is created in response to instantiation of a given network partition (e.g., network slice) in a communication network (5G or similar network). The communication network supports instantiation of a plurality of network partitions for providing a respective plurality of network services. The security service function chain is utilized to perform at least one security service (e.g., authentication) for an entity (e.g., a subscriber or a device) accessing or seeking access to a network service (e.g., one of eMBB, massive IoT, and mission-critical IoT) corresponding to the given network partition.
US11240659B2 Privacy protection mechanisms for connected vehicles
Various embodiments are generally directed to techniques for providing improved privacy protection against vehicle tracking for connected vehicles of a vehicular network. For example, at least one road side unit may: identify a set of vehicles that require pseudonym changes and send an invitation for a pseudonym change event to each of the vehicles, determine at least a total number of the acceptances, determine whether the total number meets or exceeds a predetermined threshold number, send acknowledgement messages to the accepting vehicles if the threshold number is met, and form a vehicle group to coordinate the pseudonym change event during a privacy period. During the privacy period, the RSU and the vehicles may communicate with each other in a confidential and private manner via key-session-based unicast transmission, and coordinate transmission power and vehicle trajectory adjustments to maximize the benefits for safety and obfuscation for privacy.
US11240657B2 Communication of delta information associated with user equipment capability
Certain aspects of the present disclosure provide techniques for communicating a user equipment (UE)'s capabilities to a network entity, such as a base station. An example method that may be performed by a UE includes transmitting a first message to a network entity, the first message comprising a base identification and a delta flag, wherein the base identification identifies base capabilities of the UE, and wherein the delta flag indicates whether there is delta information to be shared by the UE, the delta information corresponding to changes to the base capabilities of the UE. The method further includes determining whether to transmit a third message to the network entity based on whether the UE receives a second message from the network entity, the second message comprising a full capability flag indicating whether the UE should send an indication of its full capabilities to the network entity.
US11240655B2 Address assignment for initial authentication
A mobile device may transition between Extended Service Set (“ESS”) networks while maintaining the same internet protocol (“IP”) address while transitioning. The transition may occur seamlessly, such that a consumer never loses the network connection despite transitioning between networks. The mobile device may receive an IP address from a pool of addresses, such that the mobile device can keep that IP address as it is transitions between networks that each have access to the pool. The assignment of the IP address to the mobile device is from the pool of IP addresses rather than from the AP.
US11240654B2 Wireless local area network (WLAN) traffic load measurement provisioning to wireless cellular networks
Generally, this disclosure provides devices, systems and methods for provisioning of wireless local area network (WLAN) traffic load measurements to third generation partnership project 3GPP wireless cellular networks. A WLAN element manager (EM) may include a polling module to poll a WLAN access point (AP), the polling to request traffic load data from the WLAN AP; a timer module to trigger the polling module to poll at periodic intervals; a logging module to receive and log the requested traffic load data; and an integration reference point (IRP) agent including a reporting module to generate a traffic load report for transmission to a network manager (NM), the traffic load report based on the logged traffic load data.
US11240653B2 Main unit, system and method for an infotainment system of a vehicle
The present disclosure relates to a head unit for an infotainment system of a vehicle. The head unit is coupled to a mobile terminal device via a Bluetooth link. The head unit is configured to exchange a digital audio signal adapted for improved audio quality during the hands-free talking, via an additional wireless link, in response to hands-free talking during a phone call with the mobile terminal device coupled via the Bluetooth link based on a hands-free profile.
US11240650B1 Internet of things method for class-A end device communication
A LoRa device for communicating sensor signals in a low power wide area network (LPWAN) includes a physical layer using Hamming encoding and Gray indexing with chirp spread signal (CSS) modulation to encode and modulate the sensor signals and a medium access layer (MAC) including a compressive sensing sub-layer which reduces encoded, modulated signals to sparse vectors. A transmission packet is formed by combining the sparse vectors with a selected set of sparse vectors representing past measurements and the incoming velocity of the sensor signals. A receiver decompresses the transmission packet by reconstructing, at a sparse recovery sub-layer of a receiver MAC layer, the encoded, modulated sensor signals. A decoder path removes the CSS modulation and Gray indexing, and Hamming decodes the sensors signals.
US11240643B2 Messaging service application programming interface
A system comprising: one or more processors and executable instructions accessible on a computer-readable medium that, when executed, cause the one or more processors to perform operations comprising: receiving from a client application executing on a client device a transmission request including an identifier associated with a recipient device; adding the transmission request to an outbound queue based on determining the transmission request is valid; causing transmission to the recipient device based on the transmission request being included in the outbound queue; obtaining status information specifying a status of transmission the status information including an indication of successful transmission; and storing a record of the transmission responsive to the causing the transmission the storing the record including storing a message and the indication of successful transmission.
US11240641B1 Automated device grouping
Techniques for automatically combining devices into a single group of devices, and splitting devices into multiple groups of devices are described. A machine learning model may process device profile data, associated with devices registered to two different users, and determine the devices should be combined into a single group of devices. Such enables a user to control each of the devices, of the two different users, but providing user inputs to a single device of the group. The machine learning model may also process device profile data, associated with devices registered to a single user, and determine the devices should be split into two or more groups of devices. Such may decrease the likelihood that a system may inadvertently control a device not intended by a user.
US11240637B2 Method for the transmission of a frame by an access point of a wireless local area network
A wireless communication system has an access point managing a first wireless local area network. To transmit the frame, the access point: obtains data to be transmitted in multicast mode; obtains data to be transmitted in unicast mode; and constructs a physical-layer header including: in a common signalling field, an identification of each channel resource intended to be used for making the frame transmission, whether this be for the data to be transmitted in unicast mode or in multicast mode; and, in each field in a series of specific signalling fields, information representing an association between a channel resource identifier used and a unique identifier of the destination concerned or group of destinations concerned. Thus each destination can determine each channel resource to listen to in order to receive the data that are addressed to it, whether this be in unicast mode or in multicast mode.
US11240636B1 Digital passport with verified data provenance
Systems and methods for accurately and securely assembling, storing, and leveraging travel data are provided. A method may include detecting a travel event of a user. The method may include recording the travel event in a travel map that is stored in a database. The travel map may be a temporal- and spatial-based record of one or more travel events of the user. The travel map may be stored as a blockchain ledger. The method may include tokenizing sensitive information associated with the user in the database, and calculating a hazard vector. The method may include updating, based at least in part on the hazard vector, a status index associated with the user, and providing the user and a system administrator access to the travel map and the status index. Access may be provided via an online portal configured to be viewed via an application running on a mobile device.
US11240635B1 System and method for processing using multi-core processors, signals, and AI processors from multiple sources to create a spatial map of selected region
In an example, the present technique includes a method for capturing information from a spatial region to monitor human activities and create a spatial map of the spatial region. In an example, the technique allows a user of a cell phone to move from one location to another location and be tracked using rf backscattering, and each location being identified by the user by communicating a label via a cell phone or other mobile device.
US11240633B2 Systems and methods for real-time services provision to a wearable computing device
Systems and methods for providing real-time services for wearables. One or more remote computing devices execute at least one microservice. A wearable computing device executes at least one system service that corresponds to each microservice. A master service of the wearable computing device consolidates communications between microservices and system services.
US11240617B2 Augmented reality based simulation apparatus for integrated electrical and architectural acoustics
According to an exemplary embodiment of the present disclosure, a computer readable medium containing a computer program is disclosed. The computer program includes commands which cause a processor of an acoustic simulation apparatus to execute steps, and the steps includes: acquiring building structure information related to a building constituting a simulation space; acquiring building material information related to at least one building material used in the simulation space; obtaining speaker information related to at least one speaker installed in the simulation space; obtaining location information on a current location of the acoustic simulation apparatus; recognizing a virtual location corresponding to the current location in the simulation space by analyzing the location information; generating an image viewed from the virtual location based on the building structure information, the building material information, and the speaker information; and generating sound to be heard at the virtual location based on the building structure information, the building material information, and the speaker information.
US11240612B2 Miniature hearing instrument configured for positioning at least partially in bony region of ear canal
The application relates to a portable electronic device comprising a) a folded substrate carrying components of the device, and b) another, separate component having a fixed outer contour, and c) a housing for enclosing said folded substrate and said separate component, said housing having an inner contour, wherein said folded substrate is folded from a planar substrate along a folding line, said folded substrate exhibiting outer edges comprising a folded edge following said folding line. The application further relates to a method of manufacturing a folded substrate. The object of the present application is to facilitate miniaturization of a portable electronic device, such as a hearing aid. The problem is solved in that the folded substrate is shaped to provide that at least one of said outer edges follow(s) the fixed outer contour of the separate component and/or the inner contour of said housing. This has the advantage of providing a larger area on the substrate to place components and soldering points thereby improving the use of the available space in the portable electronic device. The invention may e.g. be used in electronic devices where volume utilization is an important design parameter, e.g. hearing aids comprising a part adapted for being mounted in an ear canal of a user, e.g. in the bony part of the ear canal.
US11240610B2 Rate matching algorithm and independent device synchronization
Hearing aid systems where a data streaming device streams data to a hearing aid and methods of maintaining synchronization when converting a sampling rate are disclosed. A hearing system comprises a hearing aid, a sampling rate converter, a buffer, an RDWiff signal, and a control circuit. The hearing aid receives data from a data transmission device, and the data received has a first sampling rate. The sampling rate converter is in the hearing aid and converts the sampling rate of the received data to a sampling rate suitable for use by digital signal processing circuitry in the hearing aid. The buffer receives data from the sampling rate converter. The RWDiff signal indicates the difference between the rate at which data is read from and written to the buffer. The control circuit compares the RWDiff signal to a predetermined RWIdeal quantity and generates an adjustment signal.
US11240605B2 Sounding device
A sounding device includes a frame, a vibration system and a magnetic circuit system with a magnetic gap. The vibration system includes a diaphragm and a voice coil inserted in the magnetic gap. The coil includes two first sides and two second sides. An elastic supporting member including an auxiliary diaphragm is fixed to the frame and spaced from the second sides. The magnetic circuit system includes a yoke, a main magnet fixed to the yoke, and a first auxiliary magnet and a second auxiliary magnet fixed to the yoke and spaced from the main magnet to form the magnetic gap. The second auxiliary magnet is spaced from the first side. An end portion of the second auxiliary magnet close to the auxiliary diaphragm is recessed to form an avoidance notch, and the auxiliary diaphragm extends along the first sides to form an extending portion located in the avoidance notch.
US11240603B2 Speaker apparatus, audio data supply apparatus, and audio data reproduction system
A speaker apparatus includes a measuring unit configured to measure a first distance to a detection object, the detection object existing on one side in a vertical direction substantially orthogonal to a sound radiation direction, and a second distance to a detection object, the detection object existing on another side in the vertical direction.
US11240598B2 Band-limited beamforming microphone array with acoustic echo cancellation
This disclosure describes an apparatus and method of an embodiment of an invention that is a band-limited beamforming microphone array with acoustic echo cancellation that includes: a plurality of first microphones configured as a beamforming microphone array to resolve first audio input signals within a first frequency range, the beamforming microphone array includes acoustic echo cancellation; one or more additional microphone(s) configured to resolve second audio input signals within a restricted second frequency range such that the additional microphone(s) are coupled to the beamforming microphone array; augmented beamforming that processes audio signals from the beamforming microphone array and the additional microphone(s).
US11240593B2 Multi-way acoustic waveguide for a speaker assembly
A waveguide housing for a speaker assembly. The speaker assembly includes first and second drivers coupled to the waveguide housing where the first driver generates a midrange sound signal and the second driver emits a high-frequency sound signal. The waveguide housing includes a first plurality of sound channels configured to receive the midrange sound signal from the first driver such that the midrange sound signal travels through the first plurality of sound channels and is emitted from the waveguide housing by a first plurality of openings in the waveguide housing. The waveguide housing also includes a second plurality of sound channels configured to receive the high-frequency sound signal from the second driver such that the high-frequency sound signal travels through the second plurality of sound channels and is emitted from the waveguide housing by a second plurality of openings in the waveguide housing.
US11240589B2 Headset with force isolation
A method and system is disclosed for a headset with force isolation, where the headset comprises a headband having two upper headband sections coupled by a center block and two ear cups, where each ear cup is coupled to one of the two upper headband sections. The two upper headband sections may include side support strips between which a movable strip may be placed, thereby increasing the rigidness of the headband when fully extended between the side support strips. The rigidness of the headband may decrease when the movable strips are retracted from between the side support strips and into the center block utilizing a slider knob. The side support strips may be plastic and the movable strip may be metal. The center block may be more rigid than the side support strips. The center block may be plastic. The headband may include headband endcaps at lower ends of the headband.
US11240588B2 Sound reproducing apparatus
Provided is an ear-hole open type sound reproducing apparatus which can obtain good sound quality over a wide band while adopting a bone conduction system. A first equalizer 303 removes a high range component which is difficult to be reproduced by a vibration speaker 301 and is hard to be conveyed by bone conduction. Then, the vibration speaker 301 outputs the sound over a low range to a middle range by bone conduction sound. By equalizing processing of the first equalizer 303, it is also possible to reduce sound leakage of the high range. On the other hand, a second equalizer 304 removes components over the low range to the middle range. Then, an air conduction speaker 302 outputs high quality sound of the high range component by air conduction sound.
US11240586B1 Method, apparatus and device for synchronously playing audio
A method, apparatus and device for synchronously playing audio are provided. The method includes: acquiring status information of a Bluetooth controller in the first audio playing device, and determining native Bluetooth time of the first audio playing device based on the status information; estimating, based on the native Bluetooth time of the first audio playing device and offset data of the native Bluetooth time of the first audio playing device relative to native Bluetooth time of a second audio playing device or native Bluetooth time of an audio providing device, absolute time of the second audio playing device or absolute time of the audio providing device; and playing an audio signal provided by the audio providing device synchronously with the second audio playing device based on the estimated absolute time.
US11240585B2 Identification of cushioning members in personal audio devices
A personal audio device (e.g., headphones, earphones) can have an earpiece (e.g., an ear cup or earbud) with a removable cushioning member (e.g., headphone cushions or ear tips for earbuds). The cushioning member can include an identification tag that encodes identification data for the cushioning member. When the cushioning member is attached to the earpiece, the identification tag is brought into proximity with a tag sensor in the earpiece and the earpiece can read the identification tag to determine identification data for the cushioning member. The identification data can be used to modify a behavior of the earpiece and/or of a host device communicably coupled to the earpiece.
US11240584B2 Earphone systems
An earphone system (10) includes a first ear bud (12) having wireless communications circuitry, a second ear bud (14) having wireless communications circuitry and first electric cabling (16) having a first end provided with a first electrical connector element (18) releasably connectable with the first ear bud, a second end provided with a second electrical connector element (20) releasably connectable with the second ear bud and a third electrical connector element (22) disposed intermediate the first and second ends. The earphone system (10) has second electric cabling (24) having a first end provided with a fourth electrical connector element (26) releasably connectable with the third electrical connector element and a second end provided with a fifth electrical connector element (28) connectable an output connector element of an electronic device to receive an audio signal from the electronic device.
US11240581B2 Earpiece and earphone using the same
In an earpiece 10 of the present invention, mainly, a plug section 15 is fitted into a sound channel space 13A of a central tube section 13, and the plug section 15 is formed with a sound channel long hole 15B penetrating in a longitudinal direction thereof and sound channel short holes 15G penetrating in lateral directions thereof. With this structure, a very small part of sound transmitted from a stem section 12 is directly transmitted to the eardrum through an aperture 15A, but most of the sound transmitted from the stem section 12 is directly transmitted via an internal space 20 to the eardrum. Then, the user perceives the sound having detoured as indirect sound that comes from the front of himself/herself with a time difference, and thereby can feel out-of-head sound localization and sound spread, thereby experiencing a sense of direction from the front and realistic sensation.
US11240576B1 Device with water drainage for a speaker
A device with water drainage for a speaker is provided. The device comprises: a housing having a cavity; a speaker mounted in the cavity; a hydrophobic mesh over at least a portion of the cavity, the hydrophobic mesh being air-permeable; a hydrophilic grill adjacent the hydrophobic mesh at a speaker-facing side of the hydrophilic grill, the hydrophilic grill comprising apertures therethrough, the hydrophobic mesh located at least at the apertures; and a bezel covering the hydrophilic grill, one or more of the housing and the bezel including drainage features.
US11240575B2 Speaker grill and speaker device
A speaker grill includes a diffusion plate, a base, and a support portion. The diffusion plate forms an opening facing a speaker and is arranged on an outer side of the opening so as to form a concave shape in a sound-emitting direction of the speaker. The base supports the diffusion plate at an outer circumference thereof. The support portion is provided at a front surface of the diffusion plate in the sound-emitting direction, having a support surface that covers at least a portion of the front surface of the diffusion plate, and having a plurality of partition walls forming slits in the sound-emitting direction. The support surface forms a virtual surface that covers an outer surface of the base.
US11240573B2 Methods and apparatus for consistency check for disaggregated dense wavelength-division multiplexing (DWDM) systems
An apparatus includes a first communication interface configured to be communicatively coupled, via an optical line, to a network device that is disposed in an optical network using wavelength division multiplexing (WDM). The apparatus also includes a second communication interface configured to be communicatively coupled to a router via an Ethernet connection. The apparatus also includes a signal generator operatively coupled to the first communication interface and the second communication interface. The signal generator is configured to generate an Ethernet signal representing at least one attribute of the optical line between the first communication interface and the network device. The second communication interface is configured to transmit the Ethernet signal to the router.
US11240572B2 Optoelectronic switch with reduced fibre count
An optoelectronic switch for transferring an optical signal from a source external client device to a destination external client device, includes a leaf rack unit having thereon a leaf switch assembly including: a leaf switch having a plurality of fabric ports including a first fabric port and a second fabric port; and a fabric port multiplexer associated with the leaf switch, arranged to combine a first signal from the first fabric port and a second signal from the second fabric port onto a first connection, in the form of an outgoing first multiplexed signal. The optoelectronic switch further includes a spine rack unit including: a plurality of spine switches including a first spine switch having a fabric port and a second spine switch having a fabric port; and a demultiplexer arranged to separate an incoming multiplexed signal received from a first connection into a first signal and a second signal, the first signal directed towards the fabric port of the first spine switch and the second signal directed towards the fabric port of the second spine switch.
US11240570B1 Object-based video loading
In an approach, a processor determines respective resolution levels for a plurality of objects, presented in a video segment to be rendered, based on a relationship between a primary object and at least one remaining object of the plurality of objects. A processors, determines, from the video segment, a plurality of object-based video elements at the determined respective resolution levels, each of the plurality of object-based video elements corresponding to one of the plurality of objects. A processor causes the plurality of object-based video elements to be delivered for rendering the video segment.
US11240569B2 Systems and methods for providing video enhancement for sporting events
Systems and methods for video presentation and analytics for a sporting event are disclosed. In one embodiment, the sporting event is an auto racing event. A server platform is provided to collect and analyze real-time raw data and historical raw data, and compare drivers/vehicles from a current auto racing event and/or a historical auto racing event. The server platform is operable to overlay a ghost driver/vehicle on the images of a driver/vehicle in the current auto racing event based on the comparison. The server platform also provides a GUI for displaying the current auto racing event with enhanced features.
US11240568B2 Apparatus and method for replacing and outputting advertisement
An electronic device and method for replacing and outputting an advertisement are provided. The electronic device includes: a memory storing at least one program; a communication unit configured to receive context data to be used to determine a state of a user, from at least one external device; and a processor configured to replace and output an advertisement by executing the at least one program, wherein the at least one program includes instructions to: acquire user state information indicating the state of the user from the received context data, based on a learning model using one or more neural networks; and perform control to replace a previously determined first advertisement with a second advertisement determined based on the user state information and to output the second advertisement.
US11240565B2 Method and apparatus for peripheral context management
The present disclosure relates to a method and system for presenting a set of control functions via an interface of a peripheral control device (PCD). A control function can include a command associated with one or more media contexts of a host media device. The method decodes a payload, from the host media device, with an encoded context identifier, where the context identifier indicates a primary media context active on the host media device. The method determines one or more control functions corresponding to the context identifier, and changes the set of control functions on the interface of the PCD to include the one or more control functions that can command the primary media context.
US11240564B2 Method for playing panoramic picture and apparatus for playing panoramic picture
Provided is a method for playing a panoramic picture, the method comprising: acquiring a corresponding non-planar panoramic picture according to a picture acquisition instruction; acquiring picture content from the non-planar panoramic picture, and determining a main presentation axis and a presentation centre of the picture content; creating a cylindrical projection plane by using the main presentation axis and the presentation centre, wherein a cylinder extension direction of the cylindrical projection plane is substantially perpendicular to the main presentation axis, and the centre of the cylindrical projection plane essentially overlaps the presentation centre; converting the non-planar panoramic picture into a cylindrical panoramic picture with the cylindrical projection plane; and executing a playing operation on the cylindrical panoramic picture by using a planar display apparatus.
US11240563B1 Playback control of media content across devices in MaaS transportion network
A system and method for playback control of media content across devices in a MaaS transportation network is provided. The system receives, from a MaaS network, trip details of an ongoing trip and determines a first vehicle by which a user is set to complete an active first leg of the ongoing trip. The system generates media content recommendations based on the trip details and controls a first display device in use inside the first vehicle, to display such recommendations. The system receives a selection of a first content recommendation and controls a playback of first media content associated with the selection on the first display device. The system detects an event which requires the playback to pause and controls the playback to resume on a second display device in use inside a second vehicle, within duration of a second leg of the ongoing trip or a different trip.
US11240559B2 Content reproducing apparatus and content reproducing method
A content reproducing apparatus is provided. The content reproducing apparatus includes: a communicator configured to periodically transmit and receive a connection signal with a terminal; a content outputter configured to output content; a memory configured to store one or more instructions; and a processor configured to execute the one or more instructions stored in the memory to control the content outputter to adjust the output of the content, based on a distance to the terminal being greater than a certain distance, the distance being obtained based on the connection signal.
US11240555B2 Providing over-the-air content to any device
Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for providing over-the-air (OTA) content to electronic devices. Some embodiments operate by automatically providing program listings of OTA content to the electronic devices, wherein the program listings are displayed in user interfaces of the electronic devices; receiving a user selection of particular OTA content from one of the electronic devices; receiving electronic signals containing OTA content from an antenna; processing, using a tuner, the received electronic signals to extract the particular OTA content therefrom; and transmitting the extracted OTA content to the electronic device for playback. In some embodiments, the extracted OTA content is stored in storage of said the electronic device for future on-demand playback to the user.
US11240554B2 HDMI apparatus using optical communication
A HDMI apparatus is provided. The HDMI apparatus includes a first audio/video transceiver (A/V transceiver) configured to transmit an optical A/V signal to a second A/V transceiver; and a first sideband transceiver configured to drive a first laser diode to transmit a first optical sideband signal including a first control information or a first power information; wherein the first control information or the first power information is converted by a first Serializer/Deserializer (SERDES).
US11240549B2 Broadcast receiving system
A broadcast receiving apparatus includes: a first receiving unit receiving broadcast data for a first transmission method; a second receiving unit receiving broadcast data for a second transmission method; a first decoding unit decoding the broadcast data received by the first receiving unit; a second decoding unit decoding the broadcast data received by the second receiving unit; a video output unit outputting video, the video being generated based on data decoded by the first or second decoding unit; an operation input unit receiving control information from a remote controller; and a control unit controlling the units based on the control information received by the operation input unit. The remote controller includes a button to output control information for switching between a display state and a non-display state of service, the service being linked with a broadcasting program.
US11240546B2 Server and program
An aspect of the present invention provides a server for controlling a camera video image to be distributed to an audience terminal for multi-camera video image distribution service for cyclic distribution of camera video images in a plurality of points of view to audience. The server includes a selector and a decider. The selector selects a plurality of candidates in each of selection opportunities that allow each audience member to select the camera video image to be distributed to the audience terminal. The decider decides the camera video image to be distributed to the audience terminal based on information indicating one of a plurality of options selected by each audience member. At least one of the plurality of candidates selected in at least one of the selection opportunities includes a common camera video image regardless of camera video images viewed by the audience when the plurality of candidates are selected.
US11240543B2 Synchronizing playback of segmented video content across multiple video playback devices
Playback devices may receive video content and an age of a playlist associated with the video content. A playback device may use the age of the playlist to schedule output of video fragments of the video content. The playback device may adjust the output of the video content until an actual output time of a video fragment is substantially the same as the scheduled output time for the video fragment.
US11240541B2 Virtual processing server, control method of virtual processing server, content distribution system, and application program for terminal device
The present invention provides: a virtual processing server with which comments are randomly posted to the content which has a small number of viewers and comment posts, thereby liven up the content, a control method for a virtual processing server, a content delivery system, and an application program for a terminal device.A virtual processing server 3 in the content delivery system is provided with: a content delivery server 1 which provides a content delivery service to a terminal device 5; a comment delivery server 2 which delivers a comment posted to a content; and a virtual processing server 3 which virtually executes processing to the content, wherein the server accesses to the content, and is provided with: an execution control unit 31 which virtually executes processing; and a first condition determination unit 31 which determines a predetermined first condition for executing the access, wherein the execution control unit 31 executes the access to the content when it is determined that the predetermined first condition has been satisfied.
US11240530B2 Encoder, decoder, encoding method, and decoding method
An encoder includes: circuitry; and memory, in which using the memory, the circuitry, in affine motion compensation prediction in inter prediction for a current block, places a limit on a range within which motion estimation or motion compensation is performed, and performs the motion compensation for the current block.
US11240523B2 Prediction image generation device, video decoding device, and video coding device
At least one of a vector candidate derivation unit and a merge candidate derivation unit derives a motion vector of each of multiple sub-blocks contained in a decoding target block by referring to motion vectors at multiple control points including two points at an interval which is longer than one side of the target block, and a prediction image generation unit refers to the motion vector of each sub-block to generate a prediction image.
US11240515B2 Video display preference filtering
Video coding schemes may include one or more filters to reduce coding artifacts and improve video quality. These filters may be applied to decode video data in a predetermined sequence. The output from one or more of these filters may be selected for different images, blocks, or sets of video data and then copied and/or routed to a display or a buffer storing reference data that is used to decode other video data in a data stream. Providing the ability to select which filter output is used for display and as a reference may result in better video quality for multiple types of video data. The filters that are selected for display and for reference may be different and may vary for different images, blocks, and data sets.
US11240514B2 Intra mode coding
A method of and an apparatus for controlling intra prediction for decoding of a video sequence are provided. The method includes determining a ratio of a width to a height of a coding unit, and based on the determined ratio being different than one, adding, to a table including intra prediction modes corresponding to intra prediction angles, first wide angles toward a bottom-left edge of the coding unit, second wide angles toward a top-right edge of the coding unit, and additional intra prediction modes respectively corresponding to the first wide angles and the second wide angles. The method further includes selecting, for decoding the video sequence, one of the intra prediction modes and the additional intra prediction modes added to the table.
US11240508B2 Transform coefficient coding method and device therefor
An image decoding method performed by a decoding device according to the present document comprises a step of receiving a bitstream containing residual information, and a step of deriving a quantized transform coefficient for a current block on the basis of the residual information contained in the bitstream, wherein the residual information includes a context syntax element coded on the basis of the context, and if the size of a transformation block is changed as much as a sub-block region having a predetermined size and the current block is the last sub-block in the sub-block region and the last quantized transform coefficient is in the current block, then the step of deriving a quantized transform coefficient includes context-based decoding of the context syntax element on the basis of a predetermined maximum value for the context syntax element, wherein the maximum value is determined on the basis of the size of the sub-block region.
US11240505B2 Automated scanning order for sub-divided blocks
Different implementations arc described, particularly implementations for selecting a scan order of the sub-blocks of a current block being encoded or decoded when the current block is composed of multiple sub-blocks. In one example, a corresponding dependency number indicative of a number of the other of the plurality of sub-blocks that each of the sub-blocks uses for spatial prediction is determined, based on the corresponding intra prediction mode for the each of the plurality of sub-blocks. A scan order of the plurality of sub-blocks is determined based on the determined corresponding dependency number for the each of the plurality of the sub-blocks. The current block is encoded or decoded using the determined scan order of the plurality of sub-blocks.
US11240496B2 Low complexity mixed domain collaborative in-loop filter for lossy video coding
A video coding apparatus is described for encoding or decoding a frame of a video, the video coding apparatus comprising a computer program code and a processor configured to carry out operations on the frame of video. The operations include reconstructing the frame, and determining one or more filter parameters and filtering in a frequency domain and a pixel domain a block of the reconstructed frame based on the determined filter parameters to obtain a filtered block of the frame. The determining the one or more filter parameters and filtering in a frequency domain based on the determined filter parameters is performed jointly within a loop, and the one or more filter parameters are based on one or more first parameters that are based on the reconstructed frame and one or more second parameters which are based on a codec signaling information.
US11240493B2 Encoder, decoder and corresponding methods of boundary strength derivation of deblocking filter
Apparatuses and methods for encoding and decoding a video are provided. A method includes determining whether at least one of two blocks of an image in a video is predicted with a combined inter-intra prediction (CIIP), wherein the two blocks include a first block (block Q) and a second block (block P). There is a boundary between the two blocks. The method further includes setting a boundary strength (Bs) for the boundary to a first value based on determining that at least one of the two blocks is predicted with the CIIP, and performing deblocking for the boundary between the first block and the second block based on the Bs to generate a modified reconstructed block for each of the first block and the second block.
US11240488B2 Volumetric display including liquid crystal-based lenses
A volumetric display may include a two-dimensional display; a varifocal optical system configured to receive image light from the two-dimensional display and focus the image light; and at least one processor configured to: control the two-dimensional display to cause a plurality of sub-frames associated with an image frame to be displayed by the display, wherein each sub-frame of the plurality of sub-frames includes a corresponding portion of image data associated with the image frame; and control the varifocal optical system to a corresponding focal state for each respective sub-frame.
US11240487B2 Method of stereo image display and related device
A method of stereo image display for a portable device is disclosed. The method comprises obtaining an image, tracking user's eye positions relative to a display area of the portable device, to obtain viewports of the image and view frustums for user's left and right eyes, rendering two projection images respectively for user's left and right eyes according to the view frustums and viewports of the image, and displaying the two projection images for the user.
US11240485B2 Methods circuits devices assemblies systems and functionally associated with computer executable code for image acquisition with depth estimation
Disclosed are methods, circuits, devices, systems and functionally associated computer executable code for image acquisition with depth estimation. According to some embodiments, there may be provided an imaging device including: (a) one or more imaging assemblies with at least one image sensor; (b) at least one structured light projector adapted to project onto a scene a multiresolution structured light pattern, which patterns includes multiresolution symbols or codes; and (3) image processing circuitry, dedicated or programmed onto a processor, adapted to identify multiresolution structured light symbols/codes within an acquired image of the scene.
US11240482B2 Information processing device, information processing method, and computer program
There is provided an information processing device, an information processing method, and a computer program that can improve comfortability at the time when a plurality of users share and view a three-dimensional image. The information processing device includes a control unit configured to perform control for determining a transmission starting point of three-dimensional image information based on positional information and sight line information of a first user, positional information and sight line information of a second user, and display position information of the three-dimensional image information that is shared and viewed by the first user and the second user.
US11240480B2 Client apparatus, client apparatus processing method, server, and server processing method
Multiple clients (viewers) are allowed to share their VR spaces for communication with one another. A server-distributed stream including a video stream obtained by encoding a background image is received from a server. A client-transmitted stream including representative image meta information for displaying a representative image of another client is received from another client apparatus. The video stream is decoded to obtain the background image. The image data of the representative image is generated on the basis of the representative image meta information. Display image data is obtained by synthesizing the representative image on the background image.
US11240479B2 Viewer-adjusted stereoscopic image display
A stereoscopic video playback device is provided that processes original stereoscopic image pairs taken using parallel-axis cameras and provided for viewing under original viewing conditions by scaling and cropping to provide new viewing condition stereoscopic video on a single screen.
US11240477B2 Method and device for image rectification
The present invention provides a method and a device for image rectification, which are applied in the field of image processing. The method includes: receiving two images, the two images are images of a target object captured from different viewpoints; performing an epipolar rectification on the two images; rectifying the two images after the epipolar rectification based on the image contents; and splicing the two images after the rectification based on the image contents. The method can rectify the images captured from different viewpoints, thereby ensuring the pixel alignment, and avoiding visual discomfort to the viewer.
US11240475B2 Information processing apparatus and method
The present disclosure relates to an information processing apparatus and method that allow an image projection position to be controlled with more ease. Correction information of an image is generated such that the image is projected onto a desired region of a real space. For example, the correction information is generated such that the projected image is located at a desired position as seen from a given viewpoint position. Also, for example, a correction vector is generated that corrects each pixel position of the image as the correction information. The present disclosure is applicable, for example, to an information processing apparatus, a projection apparatus, an imaging apparatus, a projection imaging apparatus, a projection imaging control apparatus, an image projection imaging system, or the like.
US11240473B2 Method and apparatus for traffic infraction management
The system provides a way to detect potential impaired driving and to easily and automatically report it to enforcement officials. The system can create a video record of the impaired driving and send the video to an enforcement official who can be notified to intercept the impaired driver. In one embodiment, the system can be implemented on a stand-alone system or a smartphone. The system uses video recording technology and a tracking system to identify vehicles making excessive numbers of lane changes, failure to maintain a lane, unusual vehicle speed behaviors, and the like. Based on vehicle behavior, the system can determine if a particular vehicle is exhibiting behavior that indicates impaired driving. The system can record video of the vehicle behavior and send it to the nearest enforcement officer.
US11240471B2 Road vertical contour detection
Various driver assistance systems mountable in a host vehicle and computerized methods for detecting a vertical deviation of a road surface. The driver assistance system includes a camera operatively connectible to a processor. Multiple consecutive image frames are captured from the camera including a first image of the road and a second image of the road. Based on the host vehicle motion, the second image is warped toward the first image to produce thereby a warped second image. Image points of the road in the first image and corresponding image points of the road in the warped second image are tracked. Optical flow is computed between the warped second image to the first image. The optical flow is compared with an optical flow based on a road surface model to produce a residual optical flow. The vertical deviation is computed from the residual optical flow.
US11240470B2 Multi-device teleconferences
A system and method are disclosed for generating a teleconference space for two or more initial communication devices using a computer coupled with a database and comprising a processor and memory. The computer generates a teleconference space and transmits requests to join the teleconference space to the two or more initial communication devices. The computer stores in memory identification information, and audiovisual data associated with one or more users, for each of the two or more initial communication devices. The computer transmits audiovisual teleconference data to each of the two or more initial communication devices. The computer transmits a request to join the teleconference space to a third communication device, stores identification information and audiovisual data from the third communication device, and transmits audiovisual teleconference data that includes audiovisual data from the third communication device to each of the three or more communication devices.
US11240464B2 Multiple stage modulation projector display systems having efficient light utilization
Dual or multi-modulation display systems comprising a first modulator and a second modulator are disclosed. The first modulator may comprise a plurality of analog mirrors (e.g. MEMS array) and the second modulator may comprise a plurality of mirrors (e.g., DMD array). The display system may further comprise a controller that sends control signals to the first and second modulator. The display system may render highlight features within a projected image by affecting a time multiplexing scheme. In one embodiment, the first modulator may be switched on a sub-frame basis such that a desired proportion of the available light may be focused or directed onto the second modulator to form the highlight feature on a sub-frame rendering basis.
US11240459B2 IR pixel reconfigurable in DI or BDI mode
External biasing control unit for a reading circuit of an infrared photodetector element, the control unit being able to adopt: a first configuration wherein it sends a first set of biasing signals to a first stage of the reading circuit so that this first stage adopts a first operating mode corresponding to a first biasing mode of the photodetector, in particular a direct injection mode, a second configuration wherein it sends a second set of biasing signals to said first stage, the signals in the second set being designed so that said first stage adopts a second operating mode corresponding to a second biasing mode of the photodetector, in particular a buffer direct injection mode.
US11240458B2 Image sensor with capacitor randomization for column gain
A pixel cell readout circuit includes a bitline input stage coupled to a bitline to receive an image signal from a pixel cell. A capacitor ratio circuit is coupled to the bitline input stage. A gain of the bitline input stage is responsive to a capacitor ratio provided by the capacitor ratio circuit to the bitline input stage. A switch control circuit is coupled to receive a gain signal. The switch control circuit is coupled to generate a randomized pattern selection signal coupled to be received by the capacitor ratio circuit to select the capacitor ratio provided by the capacitor ratio circuit in response to the gain signal.
US11240454B2 Hybrid CMOS image sensor with event driven sensing
An image sensor includes a source follower coupled to a photodiode to generate an image signal responsive to photogenerated charge. The image signal is received by image readout circuitry through a row select transistor. A reset transistor resets the photogenerated charge. A first node of mode select circuit is coupled to the reset transistor, a second node is coupled to a pixel supply voltage, and a third node is coupled to an event driven circuit. The mode select circuit couples the first node to the second node during an imaging mode to supply the pixel supply voltage to the reset transistor. The mode select circuit is further configured to couple the first node to the third node during an event driven mode to couple a photocurrent of the photodiode to drive the event driven circuit through the reset transistor to detect changes in the photocurrent.
US11240450B2 Solid-state imaging element, method for manufacturing solid-state imaging element, and electronic apparatus
Provided is a solid-state imaging element including a plurality of pixels that includes at least two phase difference detection pixels for focus detection. Each pixel has a stacked structure including a plurality of photoelectric conversion elements that are stacked on top of each other and absorb light beams different in wavelength from one another to generate electrical charges, and each phase difference detection pixel includes, in the stacked structure, a color filter that partially covers an upper face of one of the photoelectric conversion elements and absorbs a light beam with a specific wavelength.
US11240445B2 Single-chip RGB-D camera
A 3D camera uses a modulated visible light source for depth imaging and includes a processor operable to perform time multiplexing between image detection and depth or time-of-flight (ToF) detection using the same photodetectors. The camera can alternate between the image detection mode and the ToF detection mode to produce a continuous stream of color and depth images that can be overlaid without the need for any post-processing software. The camera can also be configured to determine time-of-flight using analog integration modules, thereby minimizing the circuitry necessary for analog-to-digital conversions and ToF calculations in the digital domain.
US11240444B2 Display panel, display device and image acquiring method thereof
Embodiments of the present disclosure provide a display panel, a display device and an image acquiring method thereof. The display panel includes a first imaging region, the first imaging region is provided with a filter, the filter is configured to adjust a polarization direction of light incident into the filter, and configured to filter out polarized light having a set polarization direction in the adjusted light.
US11240442B2 Signal processing apparatus and signal processing method
A signal processing apparatus includes: an acquisition unit configured to acquire, for each of frames, captured images corresponding to results of a plurality of exposures in the frame obtained by a sensor part including a plurality of pixels arranged in an array; and a generation unit configured to generate an output image on the basis of the captured image corresponding to a result of at least one of the plurality of exposures in the frame, wherein the generation unit, in a case where a camera shake correction function is enabled and an exposure time of at least one of the plurality of exposures is shorter than a threshold, generates a first output image by correcting a brightness of the captured image based on the at least one of the plurality of exposure.
US11240439B2 Electronic apparatus and image capture apparatus capable of detecting halation, method of controlling electronic apparatus, method of controlling image capture apparatus, and storage medium
An electronic apparatus that can enhance the accuracy of detection of halation by taking into account the influence of halation on visibility of an object, and also effectively suppress the influence of halation independently of the type of a light source. An evaluation unit evaluates the luminance of the object based on an exposure level at which image data of the object is acquired. A detection unit detects t halation based on the luminance of the object, a first luminance area having a higher luminance than a first luminance threshold value, and a distribution status of another luminance area which is an area having a lower luminance than the first luminance area and is distributed around the first luminance area.
US11240435B2 Methods and apparatus for optimizing image acquisition of objects subject to illumination patterns
The techniques described herein relate to methods, apparatus, and computer readable media configured to determine parameters for image acquisition. One or more image sensors are each arranged to capture a set of images of a scene, and each image sensor comprises a set of adjustable imaging parameters. A projector is configured to project a moving pattern on the scene, wherein the projector comprises a set of adjustable projector parameters. The set of adjustable projector parameters and the set of adjustable imaging parameters are determined, based on a set of one or more constraints, to reduce noise in 3D data generated based on the set of images.
US11240434B2 Removing aerial camera drones from a primary camera's field of view
A method of removing a mobile airborne device from a field of view of a primary camera. A sensor associated with a primary camera detects a mobile airborne device within a field of view of the primary camera, where a three-dimensional physical space is within the field of view of the primary camera. A signal generator generates a signal that, when received by the mobile airborne device, causes the mobile airborne device to exit the three-dimensional physical space. A transmitter transmits the signal to the mobile airborne device to cause the mobile airborne device to exit the three-dimensional physical space that is within the field of view of the primary camera.
US11240431B1 Sharing video footage from audio/video recording and communication devices
Sharing video footage recorded by audio/video (A/V) recording and communication devices, such as video doorbells and security cameras. When an A/V recording and communication device records video footage of suspicious activity, or even criminal activity, a user viewing the footage may alert his or her neighbors by sharing the video. In various embodiments, the user may share the video with anyone of the user's choosing, including neighbors, friends, and family.
US11240425B2 Method and device for temporal synchronization of optical transmission of data in free space
A method and a device for time synchronisation of the optical transmission of data in free space from a transmitter to at least one receiver are discussed. In the method and the device, the time synchronisation between the image reproduction of a transmitter and the image recording of a camera is to be improved for the optical free space transmission between transmitter and camera. This is achieved in that a method and a device for time synchronisation of the optical transmission of data in free space from a transmitter to at least one receiver is provided, wherein an arbitrary time recording phase for an image recording by the camera is allowed, wherein an arbitrary recording start time for the image recording by the camera is allowed, an arbitrary implementation of an updating of the image content, typically line by line with a time offset, is performed for the imaging device, an arbitrary implementation of a readout timing and thus coherent shutter timings of the receiving camera is allowed, and a synchronisation is performed subsequently, on the basis of the image recordings not recorded in synchronised fashion.
US11240424B2 Devices and methods for capturing and interacting with enhanced digital images
An electronic device, while in a first media acquisition mode, captures media and performs scene recognition. If the scene recognition meets first criteria, the media is displayed as a sequence of images acquired by the camera in temporal proximity to a single activation of a shutter button of the device at the first time. The sequence of images includes a plurality of images acquired by the camera prior to detecting activation of the shutter button at the first time, a representative image that represents the sequence of images and was acquired by the camera after one or more other images in the sequence of images, and a plurality of images acquired by the camera after acquiring the representative image. If the scene recognition does not meet the first criteria, the media is displayed as a single image in temporal proximity to the activation of the shutter button.
US11240423B2 Display control apparatus, method of controlling the same, image capturing apparatus, and storage medium
A display control apparatus comprising a display control unit configured to perform control to display a display item indicating a degree of focus; a first obtainment unit configured to obtain size information of an image to be recorded; a second obtainment unit configured to obtain a defocus amount for a focus detection region; a determination unit configured to determine the degree of focus based on the defocus amount and the size information of the image to be recorded; and a change unit configured to change a display style of the display item based on the degree of focus determined by the determination unit.
US11240422B2 Method and system for multiple f-number lens
An imaging lens includes one or more lens elements configured to receive and focus light in a first wavelength range reflected off of one or more first objects onto an image plane, and to receive and focus light in a second wavelength range reflected off of one or more second objects onto the image plane. The imaging lens further includes an aperture stop and a filter positioned at the aperture stop. The filter includes a central region and an outer region surrounding the central region. The central region of the filter is characterized by a first transmission band in the first wavelength range and a second transmission band in the second wavelength range. The outer region of the filter is characterized by a third transmission band in the first wavelength range and substantially low transmittance values in the second wavelength range.
US11240421B2 Methods and apparatus for defocus reduction using laser autofocus
Methods and imaging devices are disclosed for reducing defocus events occurring during autofocus search operations. For example, one method includes capturing a plurality of frames depicting a scene with an imaging device, selecting a portion of the scene of at least one frame that corresponds to an object of the scene, and detecting a change in the scene. The method further includes detecting a distance between the object and the imaging device for each of the plurality of frames, determining a lens position for each frame based on the determined distance of each frame and moving a lens toward the lens position of each frame while the scene continuously changes. The method also includes determining the scene is stable and initiating an autofocus search operation based on the determination that the scene is stable.
US11240420B2 Image pickup apparatus, setting apparatus, wavelength acquiring apparatus, and storage medium
An image pickup apparatus includes an image sensor that photoelectrically converts an object image formed by an image pickup optical system including a zoom lens and a focus lens, a data storage that stores focus data indicating an in-focus position of the focus lens according to an object distance and a position of the zoom lens, and a wavelength acquirer that acquires a wavelength of imaging light incident on the image sensor. The focus data includes data for visible light and data according to a wavelength of infrared light. The wavelength acquirer acquires includes the wavelength of the imaging light using the focus data, the object distance, the position of the zoom lens, and a position of the focus lens when the image pickup optical system is in focus in a state where the visible light and the infrared light can enter the image sensor.
US11240419B2 Electronic device that can execute function in accordance with line of sight of user, method of controlling electronic device, and non-transitory computer readable medium
An electronic device comprising: a line-of-sight detection unit configured to detect a viewed position of a user; and a control unit configured to perform control such that, 1) in a first operation mode, a first function corresponding to a fact that there is gazing is executed in accordance with a state in which a first condition is satisfied, and 2) in a second operation mode, a second function corresponding to a fact that there is gazing is executed in accordance with a state in which a second condition is satisfied, wherein the first condition is a condition regarding the viewed position representing a fact that the user has been gazing for a first period, the second condition is a condition regarding the viewed position representing a fact that the user has been gazing for a second period longer than the first period.
US11240417B1 Dynamic adjustment of image capture device upload rate
Upload bandwidth to a remote device may vary depending on the location of a device transmitting information to the remote device. Location of an image capture device may be used to dynamically change the upload speed from the image capture device to the remote device.
US11240416B2 Weather event visualization application for mobile devices
The present invention essentially comprises an application, software, system, method and combinations thereof that allow using a mobile phone's location-determining capabilities, compass, and camera, an application on the mobile device that can be used to display characteristics of weather within a predetermined distance from the mobile device by querying a remote server to gather information on the attributes about the weather within the predetermined radius of the device location.
US11240415B2 Vehicular camera with metallic housing
A vehicular camera includes a metallic front housing member having a circuit board attachment portion, a lens barrel extending outward from the circuit board attachment portion and accommodating at least one lens, and a circuit board having an imager disposed at a first side and a circuit board connector disposed at a second side. With the circuit board attached at the circuit board attachment portion, the at least one lens is aligned with the imager and the lens barrel is retained relative to the metallic front housing member via cured UV curable adhesive. A metallic rear housing member is attached to the metallic front housing member and the circuit board is accommodated in a cavity formed by the attached metallic front and metallic rear housing members. An electrical connector is electrically connected to the circuit board connector and is configured for electrically connecting to an electrical cable of a vehicle.
US11240414B2 Camera module having a slim overall structure and portable device comprising same
A camera module includes a lens driving device having a housing, a first circuit board disposed below the housing, a filter disposed on an upper surface of the first circuit board, a second circuit board disposed below the first circuit board, an image sensor disposed on the second circuit board and coupled to a lower surface of the first circuit board, and a first adhesive member disposed between the lower surface of the first circuit board and an upper surface of the second circuit board, and electrically connecting the first circuit board and the second circuit board. A lower surface of the image sensor is higher than the upper surface of the second circuit board.
US11240413B2 Voice coil motor, camera module, and electronic device using the same
A voice coil motor strongly attached to the base of a camera module comprises the base and a casing. The casing and the base are interlocked with each other. The casing is a hollow structure. The casing comprises a top surface and a side wall surrounding the top surface. The side wall and the base are engaged with each other. The side wall is extended in parts to form at least one extending leg. The extending leg extends to a side of the base away from the top surface and is bent toward the base.
US11240412B2 Imaging apparatus and text display method
An imaging apparatus and a text display method capable of checking an imageable range of a subject without displaying a live view image and also capable of displaying a text corresponding to audio around the subject or an ambient sound on the apparatus main body are provided. The imaging apparatus includes a transparent casing, an imaging unit that is arranged in the casing and acquires a captured image of a subject, a transparent display unit that is arranged in the casing and includes a display screen orthogonal to an imaging direction of the imaging unit, a sound collection unit that includes a microphone and acquires audio or an ambient sound, a text generation unit that generates a text based on the audio or the ambient sound acquired by the sound collection unit, and a display control unit that displays the text generated by the text generation unit on the display unit.
US11240411B2 Vehicular camera with controlled camera focus
A camera for a vehicular vision system includes a camera housing having a front camera housing portion and a rear camera housing portion. An imager is disposed at a first side of a printed circuit board. A lens assembly is supported at the front camera housing portion and optically aligned with the imager. At least one attachment element is disposed at the front or rear camera housing portion and has a material having a low CTE that is less than a CTE of the front camera housing portion. The low CTE of the material of the attachment element is less than 10 ppm/° C. The printed circuit board is mounted at the attachment element. The attachment element functions to accommodate temperature-induced movement of the printed circuit board relative to the at least one lens.
US11240405B2 Image capturing apparatus, control method thereof, and non-transitory computer-readable storage medium
An image capturing apparatus comprises an input terminal for synchronization with another image capturing apparatus; a generating unit that generates a video signal using an image capturing unit; a first detecting unit that detects an input of a first synchronization signal; a second detecting unit that detects an input of a second synchronization signal; a first synchronization unit that carries out a first synchronization process for synchronizing the video signal on the basis of the first synchronization signal; a second synchronization unit that carries out a second synchronization process for synchronizing the video signal on the basis of the second synchronization signal; and a control unit that carries out control so that when the first synchronization signal has been detected while the second synchronization process is being executed, the second synchronization process is stopped and the first synchronization process is executed.
US11240403B2 Compensation for delay in PTZ camera system
Compensating for delay in a Pan-Tilt-Zoom (PTZ) camera system is disclosed. Client-side view transformation is carried out to emulate a future Field Of View (FOV) of the camera so that the impact of latency is reduced.
US11240402B2 Optical scanning device, imaging device, and distance measurement device
An optical scanning device for displaying or capturing an image is used, the device including: an optical scanning unit configured to scan emitted light while drawing a spiral trajectory, wherein the unit includes: a light guide path configured to guide incident light to output the emitted light from an emission end; and a vibration unit configured to vibrate the emission end; a light emission control unit configured to control light emission of the emitted light; a polar coordinate generation unit configured to generate a radius and a deflection angle relating to the spiral trajectory; a driving signal generation unit configured to generate a driving signal for driving the vibration unit; an angle correction unit configured to perform calculation for correcting an angle based on information from the driving signal generation unit and output an corrected angle; and a coordinate calculation unit configured to calculate coordinates of an image.
US11240400B2 Image reading and image forming apparatus relating image data pieces of front and back sides of documents based on different symbols assigned
An image reading apparatus includes a document table, a first generating section, a first assigning section, a second generating section, a second assigning section, and a relating section. The first generating section generates a plurality of first image data pieces representing respective first side images of a plurality of documents. The first assigning section assigns first symbols to the respective first image data pieces based on a reference position of the document table. The second generating section generates a plurality of second image data pieces representing respective second side images of the plurality of documents. The second assigning section assigns second symbols to the respective second image data pieces based on the reference position. The relating section relates the first image data pieces to the respective second image data pieces based on the first symbols and the second symbols.
US11240399B2 Image processing apparatus
An image processing apparatus includes an interface through which scanned image data obtained by scanning a designated region, is acquired, and a processor. The processor extracts a contour line representing a document area from the scanned image data, extracts vertices of the contour line, determines whether a plurality of original documents is present in the document area based on the vertices, extracts document image data of each original document from the scanned image data, and generates one file including the extracted document image data for each original document.
US11240396B2 Image data transfer control device and image data transfer control method
An image data transfer control device includes a first interface, a first and a second memory, a processor, and a second interface. The first interface acquires image data transferred in predetermined units. The first memory stores inclination correction data corresponding to the inclination of a print head, and correction position data indicating a correction position included in at least one divided image line among the predetermined number of divided image lines including each divided image line group. The second memory stores correction target image data at the correction position. The processor selects each divided image line group based on the inclination correction data, and specifies first and second correction target image data. The second interface outputs the second divided image line group including the first correction target image data instead of the second correction target image data.
US11240391B2 Image forming apparatus for displaying information for performing maintenance on the image forming apparatus, and method and program for controlling the same
An image forming apparatus combines a plurality of sub-movies representing operation procedures to be performed to perform maintenance on the image forming apparatus and plays the combined sub-movies sequentially as one movie. In response to stopping the movie being played, the image forming apparatus displays a replay mark for use to issue a command to replay the movie from the beginning of a sub-movie corresponding to a position where the movie is stopped.
US11240389B2 Information processing device and non-transitory computer readable medium
An information processing device includes a processor. In a case where a user of a first device cannot use a service provided by a providing device, wherein providing the service requires both of a first setting for the first device and a second setting for the providing device, the processor is configured specify which of the first setting and the second setting is likely not set appropriately based on a usage history of the service, and control to display the specified result.
US11240387B2 Terminal device, method for controlling terminal device, and non-transitory computer-readable storage medium storing program
A terminal that can communicate with a multifunctional machine includes a touch panel and a terminal control unit that, by execution of a control application, causes the touch panel to display icons including a multifunctional machine icon such that the icons are arranged in a line and, when an icon selected by a selection operation is the multifunctional machine icon, calls a control function of a multifunctional machine application which corresponds to the multifunctional machine icon, and the terminal control unit causes the touch panel to display the icons such that a part of one icon of the icons is superimposed on the other icon adjacent to the one icon.
US11240386B2 Server, non-transitory computer-readable medium for server, and method
A server is configured to perform: receiving, from a printer, an initiation request for initiating a service, the service being for dispatching a color material cartridge to be installed to the printer; receiving, from the printer, cartridge information indicating a color material cartridge currently installed to the printer; determining whether a first type of color material cartridge is currently installed to the printer, the first type of color material cartridge being used at the service; and in a case where it is determined that the first type of color material cartridge is not currently installed to the printer, outputting a dispatching request causing a dispatching process for dispatching the first type of color material cartridge, wherein the dispatching request is not outputted in a case where it is determined that the first type of color material cartridge is currently installed to the printer.
US11240384B2 Information processing apparatus, method for information processing, and storage medium
An information processing apparatus includes an arrangement unit and a display unit. The arrangement unit arranges an image in a page. The display unit displays, on a display, a page image indicating the arrangement of the image in the page by the arrangement unit. Based on that an image selected by a user is arranged in a plurality of pages, the display unit displays a plurality of page images, each indicating arrangement of the selected image in each of the plurality of pages.
US11240383B2 Image reading apparatus, defect detection method, and storage medium
An image reading apparatus acquires first image data of a background portion stored in advance and read by a reading unit, acquires second image data by reading the background portion, generates third image data by increasing resolution of the first image data and fourth image data by increasing resolution of the second image data, detects an amount of shift of an image sensor relative to a lens array in a predetermined direction by shifting a specific pixel range of the fourth image data relative to the third image data and comparing the specific pixel range with the third image data, and compares fifth image data obtained by shifting the fourth image data in accordance with the shift amount with the third image data, so as to determine whether each of pixels included in the fifth image data is a defective pixel having an abnormal value.
US11240380B2 Internet protocol (IP) serverless page party (SPP) station and systems and methods for deploying multiple SPP stations
A serverless Page Party (SPP) station is provided for page announcing and party line conferencing that is configured to implement mutual provisioning to allow all SPP stations within a system to mutually maintain their configurations in runtime, and multiple master station negotiation and master failover. Plural SPP stations are connected with Ethernet cable or WIFi to a network and therefore without need for expensive and cumbersome cabling and daisy-chain configuration among stations. SPP stations route packets between each other via multicast technology and without need for a IP-PBX or other server (e.g., a SIP server) for controlling inter-station connections. In Mutual Provisioning Mode, SPP stations operate using a system configuration obtained from other SPP stations already on the network using a command channel. System configuration is maintained by a SPP station designated as a master station. Plural SPP stations can negotiate among themselves to designate a new master station.
US11240377B2 Interactive system for rerouting a two-way text communication pathway
A first text message is received from a first user communication endpoint. In one embodiment, the first text message is addressed to a general text messaging address for a corporation. In response to receiving the first text message from the first user communication endpoint, a second text message is sent to the first user communication endpoint. The second text message is used to identify a way to select an individual user of the plurality users. For example, the second text message may have a menu with a list of users. A third text message is received from the first user communication endpoint. The third text message identifies the individual user of the plurality of users. A fourth text message is sent that allows the first user communication endpoint and a user communication endpoint of the selected individual user to establish a text messaging session.
US11240369B2 Dedicated mobile device in support of secure optical data exchange with stand alone certificate authority
An approach is disclosed that optically transmit data from a dedicated mobile device (DMD) to another device. Optically transmitting the data is performed by displaying the data on a display screen included in the DMD. The approach further optically receives data at the DMD. The data is received at a digital camera included in the DMD. Based on the exchanged data, the DMD determines if the DMD and the other device are bound to each other.
US11240366B2 Digital assistant for emergency calling
Systems and methods may be used for providing a location of a device during an emergency communication. These systems and methods may include operations (e.g., performed by a processor), including detecting that an emergency service call has been started at the device, and initiating a digital assistant in response to detecting that the emergency service call has been started. The systems and methods may include operations including parsing audio during the emergency service call to determine a request for location information, and providing audio, by the digital assistant during the emergency service call, indicating a location based on location information determined at the device.
US11240364B2 Vehicle human-machine interface (HMI) device operation of a handheld mobile device
An original equipment manufacturer (OEM) human-machine interface (HMI) device operation of a non-OEM handheld mobile device is provided. A non-OEM handheld mobile device can be coupled with a vehicle network of a vehicle. The vehicle can include a head unit with a display. An OEM HMI can be presented on a display of the non-OEM handheld mobile device. Thus, the non-OEM handheld mobile device provides functionality associated with the head unit and/or functionality not associated with the vehicle. Responsive to receiving an input on the OEM HMI presented on the non-OEM handheld mobile device, a setting or control of a vehicle device can be caused to be adjusted. Alternatively or in addition, responsive to receiving an input on a vehicle OEM HMI, a setting or control of the non-OEM handheld mobile device can be caused to be adjusted.
US11240363B2 Proactive caching of transient assistant action suggestions at a feature phone
Proactive caching, at a client device (e.g., a feature phone), of transient assistant action suggestions for selective rendering by an assistant client application of the client device. A transient assistant action suggestion, when rendered via an assistant client application and selected, causes the assistant client application to initiate performance of a corresponding assistant action. In various implementations, a prefetched transient action suggestion can be a time-constrained suggestion that includes at least associated rendering restriction metadata that defines one or more temporal windows to which rendering of the time-constrained suggestion is restricted. Proactive cache refresh rate metadata can also be associated with transient action suggestion(s) and defines a duration during which the assistant client application is to refrain from interfacing with a remote system to prefetch updated transient assistant action suggestions.
US11240361B2 Mobile terminal
A mobile terminal according to an embodiment of the present invention may comprise: a display unit; a memory which stores hierarchy information including a plurality of categories that are classified based on the hierarchy; and a learning data unit which obtains user information, which provides the hierarchy information if a category corresponding the obtained user information among the plurality of categories is not stored, and which registers the category corresponding to the user information in the hierarchy information.
US11240359B2 Auxiliary grip system
A protective phone case system enabling quick release coupling of an auxiliary grip with a phone case. Two arms enable couple of the auxiliary grip with a phone case. A push button is configured to interact with the arms to couple and detach from the phone case. Two rails may enable coupling of the auxiliary grip within an adjustment range.
US11240358B2 Electronic devices and methods for moving content presentation on one or more displays
An electronic device includes a first touch sensitive display positioned on a first major surface of the electronic device and a second touch sensitive display positioned on a second major surface of the electronic device, or alternatively a single display wrapping about the first major surface and the second major surface. One or more processors cause a presentation of content on the first touch sensitive display while the one or more sensors receive user input. In response to the user input, which can be received by the second touch sensitive display, the one or more processors cease the presentation of the content on the first touch sensitive display and commence another presentation of the content on the second touch sensitive display. The process is reversible to send the content back to the first touch sensitive display.
US11240356B2 Headphone case assembly
A headphone case assembly includes a housing that has a device opening integrated therein for insertably receiving a personal electronic device. The housing has a spool chamber integrated therein. A spool is rotatably integrated into the housing. The spool is rotatable in a first direction and the spool is biased to rotate in a second direction. A pair of headphones is wrapped around the spool. The headphones can be pulled outwardly from the housing to be worn in the user's ears. The headphones are retracted into the housing when the spool rotates in the second direction. A connection cord is electrically coupled to the headphones and the connection cord is pluggable into a headphone jack in the personal electronic device. In this way the headphones receive an audio signal from the personal electronic device.
US11240352B2 Compressor and decompressor based on Robust Header Compression
Robust Header Compression (RoHC) compressors and decompressors are provided. A RoHC compressor includes a memory and a processor. The memory stores multiple contexts and multiple codes or program instructions. The processor executes the codes or the program instructions to perform the following steps: receiving a header flow; freeing at least one of the contexts when free space of the memory is insufficient; compressing the header flow; and transmitting the compressed header flow.
US11240348B2 Remotely managing application settings using hash value comparison
In various implementations, a computer-implemented method for remotely managing settings of applications includes receiving a network communication from a managed device, the received network communication including a client-side hash value. The method further includes identifying settings for an application on the managed device in response to the receiving of the network communication, where the identified settings include configuration instructions for the application. Based on a comparison between the received client-side hash value and a server-side hash value that corresponds to the identified settings, at least some of the identified settings are transmitted to the managed device. The transmitting of the at least some of the identified settings can be based on the comparison indicating a mismatch between the received client-side hash value and the server-side hash value. The method may also include completing processing of the received network communication after the transmitting of the at least some of the identified settings.
US11240347B2 Device, system and method for sharing information in a card-based environment
A device, system and method for sharing information in a card-based environment is provided. A display screen is controlled, via a first computing device of a first agency, to provide an incident card associated with a given incident managed by the first agency. A command is received to share information of the incident card with a second agency different from the first agency. A subset of the information is transmitted to a second computing device of the second agency. A display attribute, at the display screen, associated with the incident card, is controlled to indicate that the information thereof is at least partially shared with the second agency; and/or a shared incident card is generated in association with the incident card, the shared incident card visually distinguishable as including shared information relative to the incident card, and the shared incident card including at least the subset of the information.
US11240346B2 Method, device, and system for communicating a changeability attribute
A method and apparatus include a terminal device receiving a first message from a server that hosts a service available to the terminal device. The first message includes information about at least one attribute relating to a changeability of that at least one attribute having been changed. The terminal device sends a second message to the server in response to the first message that includes information identifying the information about the at least one attribute of the first message. The terminal device receives a third message from the server that includes information indicating a changeability setting for each of the at least one attribute identified in the first message. The terminal device updates how a user interface for the service is to be displayed so the user interface is displayed with attributes relating to the service being indicated as changeable or unchangeable in accordance with the third message.
US11240344B2 Integration of remote software applications into a workflow
A system includes persistent storage configured to store definitions of interfaces of remote software applications, and a software application configured to define the interfaces. The software application identifies a remote software application system by which the remote software applications are exposed for execution, and obtains therefrom a specification of a particular remote software application. The software application determines, based on the specification, (i) objects accessible by way of the particular remote software application and (ii) functions invokable to interact with the objects. The software application generates actions that define an interface for the particular remote software application. Each action is configured to invoke execution of one or more of the functions by transmitting a request to the remote software application system and, in response, receive, by way of the remote software application system, an output of the one or more of the functions. The actions are stored in the persistent storage to define the interface.
US11240335B2 System and methods thereof for delivery of popular content using a multimedia broadcast multicast service
A content caching system intercepts a request from a user device for delivery of an item of popular content stored in the cache, redirects the request to a gateway based on a determination that the requesting device may receive the item from the gateway which provides a multicast service for the item, wherein the redirecting occurs subsequent to the device being able to join a wireless multicast of the requested content after a period of delivery of a portion of the content from the cache to the device while the content is in the midst of being delivered to the device so that delivery from the cache is terminated and delivery continues such that a subsequent portion of the popular content is delivered to the device from the gateway as part of the wireless multicast.
US11240334B2 Network attached memory using selective resource migration
Maintaining cache coherency in the presence of a network attached memory is disclosed. A computer system includes a plurality of physical nodes. An operating system is run collectively across the plurality of physical nodes. The physical nodes are configured to communicate with a network attached memory. Based at least in part on an operation to be performed with respect to page on a first physical node included in the plurality of physical nodes, the network attached memory is configured to receive a message. The network attached memory is configured to perform an action based at least in part on the received message.
US11240332B2 Subscription based event notifications
Systems and methods for providing targeted event notifications to subscribers are disclosed. In an example embodiment, events may be received from a publisher. The events may be categorized into a plurality of topics. The events may be distributed among brokers to process a topic selected from the plurality of topics based on the events. Further, it may be determined whether the topic exists in a list of topics handled by the brokers. Authentication credentials of the publisher may be validated, based on the determination. Based on the validation, queues of the events may be formed based on an order of receipt of the events. The events present in the queues may be filtered based on subscriptions of the events. For the fileted events, targeted even notifications may be forwarded to the subscribers.
US11240323B2 Data transmission method and system
The present invention relates to a data transmission method including injecting signals into a communications channel between a predefined hardware device for a computing system and an application executing on the computing system, for receipt by the application. A data transmission system is also disclosed.
US11240320B2 System and method for managing notifications of document modifications
A document modification event management system for notification of specific edits made to electronic content items, and a method of determining the relevance of the modification. As an example, a first user may make an edit to a portion of a document. A second user may receive a notification of this edit if the system determines the edit was relevant to the second user. In addition, during review of an electronic content item, a reader may select a specific portion of content and view the modifications that have occurred to only the selected portion. These tools can provide collaborative document users the ability to more readily monitor document development and stay up-to-date with changes that are important to them.
US11240319B2 Network service continuity without session continuity
A Service Continuity Network Function (SCNF) may be used to provide service continuity support in IoT networks such as 3 GPP and oneM2M, whereby higher layer session and service information is associated with transport layer session information. By means of the SCNF, a higher layer service may be resumed when a new session or connection is created, without support for transport layer session continuity. The service continuity capabilities of the SCNF may be exposed to the service layer of the network by way of a resource data structure.
US11240317B2 Diagnostic method and system for vehicle, and related device thereof
Embodiments of the present invention relate to the field of diagnostic technologies of a vehicle, and specifically disclose a diagnostic method for a vehicle. The method includes: receiving, by a diagnostic server, a connection request message sent by a terminal, the connection request message being used to request address information of a diagnostic server corresponding to a to-be-diagnosed vehicle; determining the corresponding diagnostic server according to the connection request message; and sending the address information of the diagnostic server to the terminal, so that the terminal establishes a communication connection with the diagnostic server according to the address information. According to the foregoing technical solutions, in the embodiments of the present invention, a plurality of vehicle can be diagnosed by using the terminal, improving diagnostic efficiency and achieving relatively high user experience.
US11240312B2 Apparatus and method of providing IoT resource information
Provided are an apparatus and method of interworking IoT servers associated with heterogeneous platforms. The method of providing IoT resource information in an IoT server operating based on a first IoT platform includes: receiving device information of a first IoT device to register in a resource table; transmitting resource information of the first IoT device including a resource path of the first IoT device to an external IoT server through an interworking brokerage server; receiving resource information of a second IoT device registered in the external IoT server operating based on a second IoT platform through the interworking brokerage server; and translating an original resource path included in the resource information of the second IoT device into a format according to the first IoT platform to store the resource information of the second IoT device including the original resource path and a translated resource path in the resource table.
US11240311B2 System and method for server based control
A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.
US11240309B1 State management and storage with policy enforcement in a distributed cloud computing network
A compute server of a distributed cloud computing network receives a request for an object that is to be handled by an object worker, where the object worker includes a single instantiation of a piece of code that solely controls reading/writing to the object. Policies are accessed that are applicable for processing the object. If the policies do not allow the object worker to be instantiated on the compute server, the object worker will not be instantiated and the request will not be processed at that compute server. If the policies allow the object worker to be instantiated on the compute server, the object worker is instantiated and the request is processed.
US11240308B2 Implicit discovery controller registration of non-volatile memory express (NVMe) elements in an NVME-over-fabrics (NVMe-oF) system
Presented herein are embodiments for implicitly or indirectly registering elements of a non-volatile memory express (NVMe™) entity in an NVMe-over-Fabric (NVMe-oF) environment. In one or more embodiments, one or more interactions between an NVMe™ entity and a centralized storage fabric service component, such as part of the Link Layer Discovery Protocol (LLDP) process or the Multicast Domain Name System (mDNS) process, may be used by the centralized storage fabric service to extract information about the NVMe™ entity and automatically register it with a centralized registration datastore. In one or more embodiments, the centralized registration datastore may be used to facilitate services in the NVMe-oF system, such as discovery of NVMe™ entities, provisioning, and access control. In one or more embodiments, an implicitly registered NVMe™ entity may also subsequently explicitly register, which may include supplying additional information about the NVMe™ entity.
US11240306B2 Scalable storage system
A large-scale storage system is provided. The large-scale system includes a plurality of compute nodes; a plurality of storage nodes; and a communication fabric for providing a communication infrastructure between the plurality of compute nodes and the plurality of storage nodes; wherein each compute node of the plurality of compute nodes is configured to independently perform at least a storage operation on any of the storage nodes in a persistent manner, and wherein each storage node of the plurality of storage nodes provides physical storage space of the large-scale storage system.
US11240302B1 Live migration of log-based consistency mechanisms for data stores
Live migration of log-based consistency mechanisms may be implemented for data stores. A log describing changes to replicas of data maintained at different nodes may be implemented in different ways. While the nodes are available for servicing access requests, a migration of consistent maintained between one instance of a log and a different instance of the log may be performed. A change may be committed to the current instance of the log identifying the new instance of the log as describing changes to the log subsequent to the migration. Upon completing migration, the data may be consistently maintained according to the different instance of the log.
US11240298B2 Peer-to-peer syncable storage system
A system for creating a sync group in a distributed system may include an offline electronic device having a short range communication transmitter and a storage service, and a computer-readable storage medium comprising one or more programming instructions. The system may receive a request from an application to create a sync group, and verify that the application has read access to the storage service. In response to verifying that the application has read access to the storage service, the system may create the sync group by receiving an indication of one or more objects stored in the storage service that are to be shared, identifying one or more members of the sync group, and assigning one or more permissions to the one or more members that are identified. The system may synchronize access to the objects among the electronic device and one or more member electronic devices.
US11240296B2 Distributed processing system and distributed processing method
A first distributed processing node transmits distributed data to a second distributed processing node as intermediate consolidated data. A third distributed processing node generates intermediate consolidated data after update from received intermediate consolidated data and distributed data, and transmits the intermediate consolidated data to a fourth distributed processing node. The first distributed processing node transmits the received intermediate consolidated data to fifth distributed processing node as consolidated data. The third distributed processing node transmits the received consolidated data to a sixth distributed processing node. When an aggregation communication time period required by each distributed processing node to consolidate the distributed data or an aggregation dispatch communication time period being a total time period of the aggregation communication time period and a time period required by each distributed processing node to dispatch the consolidated data exceeds a predetermined time period, the first distributed processing node issues a warning.
US11240293B2 System for supporting remote accesses to a host computer from a mobile computing device
Users of a client computer having non-conventional input devices interact with a host computing platform with the same user experience as if he or she was operating the client computer natively. This is achieved by having the non-conventional input devices of the client device appear local to the applications that are running on the host platform, even though the host computing platform may not be equipped with drivers for the non-conventional input devices.
US11240292B2 Interfacing with remote content management systems
A content management system interface at a local computer device configured to receive user file commands from a file manager and translate the user file commands into content management commands for sending to the remote content management system via a network interface. The content management system interface is further be configured to receive remote file information from the remote content management system via the network interface and translate the remote file information into user file information for the file manager.
US11240289B2 Apparatus and method for low-latency message request/response processing
An apparatus and method for low-latency real-time request processing. For example, one implementation comprises a front end and a plurality of micro-services each utilizing a different type of hardware and/or software tailored to perform a specialized type of processing. In one implementation, the front end receives a request message (e.g., an HTTP request) containing program code/data in its header and forwards the request to certain micro-services in accordance with the type of processing required and/or other variables such as load on the micro-services. A central storage may be shared by the front end and the micro-services to exchange data and/or the data may be stored in the intermediate messages passed between the front end and micro-services.
US11240288B2 File transfer in a multi-node network
Methods, systems, programs, and apparatus for the easy, bi-directional transfer of any number of files or directories of files between computer systems, over a LAN, without the need for an Internet connection, preexistence or presence of special or specific software on more than one computer (the “host”) in the transaction, or prior knowledge of the platforms or operating systems of more than one (the “host”) of the computers constituting an endpoint in the abovementioned transfer.
US11240287B2 Method, server and system for converging desktop application and web application
The present invention provides a method, Web server and computer system for converging a desktop application and a Web application. The method may comprise: in response to a request from a client user for using a target desktop application, starting a desktop application initialization process on the Web server and determining an appropriate corresponding hosting server for the user; preparing and provisioning desktop application environment on the corresponding hosting server and starting the target desktop application; transmitting the corresponding hosting server's address to the client so as to make desktop application interaction between the client and the corresponding hosting server; and in response to the completion of the desktop application interaction, stopping and exiting the target desktop application on the corresponding hosting server.
US11240281B2 System and method for use of cyclic play queues in a media content environment
In accordance with an embodiment, described herein is a system and method for use of cyclic play queues in a media content environment. A cyclic list data structure that can be initially populated with a list of media content items to be played at a media device, exposes a cyclic list of sequences of media content items, and supports operations to modify portions of the cyclic list to provide a cyclic play queue of media content items. When changes are made to an underlying play queue or context, the system performs a three-way merge of sequences of media content items within the cyclic list, to provide a modified play queue, for example with the left sequence being an updated playlist, and the right sequence being a patch window that reflects a user's changes to the play queue.
US11240279B2 Method to maintain synchronization of media streams, commands, and on-screen events transmitted through different internet pathways and consumed at varying speeds
Embodiments are directed to computer systems and methods that maintain synchronicity among elements intended to be displayed at various points during a live media stream. The systems and methods, at a multimedia player, start playback of a live media stream. The systems and methods receive input from a user selecting a new time of the media stream to playback, which is different than the current playback time of the media stream. The systems and methods adjust playback of the media stream to restart at the new selected time, such that the current playback time of the output media stream is updated to the new selected time. The systems and methods monitor the current playback time of the media stream as adjusted. The systems and methods determine a user-initiated command to execute for displaying one or more visual elements at the multimedia player by polling a command manifest file based on the current playback time as adjusted.
US11240278B1 Distributed messaging communication system integrated with a cross-entity collaboration platform
A communication/collaboration system enables a first user at a first entity to define a collaboration object, and to invite a second entity to collaborate on the collaboration object in accordance with a hierarchy with corresponding permissions. A second user at a second entity is enabled to collaborate on the collaboration object. A communications log regarding the collaboration between the first user and the second user is maintained. A communications log between the first user and other users at the first entity is maintained. A communication interface is displayed on the first user computer system that displays the log of communications between the first user and the second user on the collaboration object, together with the log of communications regarding the collaboration object between the first user and other users at the first entity, and excluding communications regarding the collaboration object between the second user and other users at the second entity.
US11240273B2 Data processing and scanning systems for generating and populating a data inventory
In particular embodiments, a data processing data inventory generation system is configured to: (1) generate a data model (e.g., a data inventory) for one or more data assets utilized by a particular organization; (2) generate a respective data inventory for each of the one or more data assets; and (3) map one or more relationships between one or more aspects of the data inventory, the one or more data assets, etc. within the data model. In particular embodiments, a data asset (e.g., data system, software application, etc.) may include, for example, any entity that collects, processes, contains, and/or transfers personal data (e.g., such as a software application, “internet of things” computerized device, database, website, data-center, server, etc.). The system may be configured to identify particular data assets and/or personal data in data repositories using any suitable intelligent identity scanning technique.
US11240268B1 Dynamic honeypots for computer program execution environments
Dynamic honeypots for computer program execution environments are described. A determination is made whether a time period has expired since a computer program execution environment, of multiple computer program execution environments, began executing a computer program that provides a user service. The computer program execution environment is changed into a computer security mechanism that counteracts an attempt of unauthorized use of a system that comprises the computer program execution environment, in response to a determination that the time period has expired since the computer program execution environment began executing the computer program that provides the user service.
US11240263B2 Responding to alerts
In some examples, an alert relating to an issue in a computing arrangement is received. It is determined that the received alert is similar to a given alert in an information repository containing information of past processes performed to address respective issues, the determining comprising comparing a property associated with the received alert to a property of alerts associated with the past processes, and the information contained in the information repository comprising actions taken in the past processes to address the respective issues. Performance of a remediation action is triggered that comprises an action, identified by the information in the information repository, taken to respond to the given alert.
US11240260B2 System and method for detecting computer network intrusions
A method and system for monitoring computer network intrusions, the system comprising at least one security device including a processor and memory. The at least one security device is communicatively coupled to a private network and configured to generate heartbeat pulses comprising operational snapshots of the at least one security device. The system further comprises one or more host systems configured to communicate with the at least one security device from an external network, transmit configuration parameters to the at least one security device, the configuration parameters including instructions for the at least one security device to operate as a given type of network asset, monitor the heartbeat pulse of the at least one security device, determine a change in integrity in the at least one security device based on the monitoring, and send one or more notification messages to a network administrator based on the determination.
US11240259B2 Self organizing learning topologies
In one embodiment, a networking device at an edge of a network generates a first set of feature vectors using information regarding one or more characteristics of host devices in the network. The networking device forms the host devices into device clusters dynamically based on the first set of feature vectors. The networking device generates a second set of feature vectors using information regarding traffic associated with the device clusters. The networking device models interactions between the device clusters using a plurality of anomaly detection models that are based on the second set of feature vectors.
US11240257B2 Domain name and URL visual verification for increased security
Techniques for providing domain name and URL visual verifications to increase security of operations on a device. The techniques include a visual indicator and/or warning to a user on the user's computing device that a domain or URL requested by the user and the device is unpopular, new, unknown, inauthentic, associated with malware or phishing, or in some other way, risky. The techniques include identifying a domain name in a communication received by a computing device and then determining a popularity ranking and/or an age of the domain name. The device can render, for display on a screen of the device, a visual indicator having the popularity ranking and/or the age of the domain name. Also, the techniques can include identifying a URL in a communication received by a computing device and then rendering, for display on a screen of the device, a visual indicator having the entire URL.
US11240256B2 Grouping alerts into bundles of alerts
In some examples, a plurality of alerts relating to issues in a computing arrangement are received, where the plurality of alerts generated based on events in the computing arrangement. A subset of the plurality of alerts is grouped into a bundle of alerts, the grouping being based on a criterion. The bundle of alerts is communicated to cause processing of the alerts in the bundle of alerts together.
US11240253B2 Vehicle communication apparatus, in-vehicle network system, and vehicle communication method
An electronic control unit is connected to a network in an in-vehicle network system. The electronic control unit includes a first control circuit and a second control circuit. The first control circuit is connected to the network via the second control circuit. The second control circuit performs a first determination process on a frame to determine conformity of the frame with a first rule. Upon determining that the frame conforms to the first rule, the second control circuit transmits the frame to the first control circuit. The first control circuit performs a second determination process on the frame to determine conformity of the frame with a second rule. The second rule is different from the first rule.
US11240252B2 Systems and methods for data access control
A method includes receiving an access feature request for utilization of a feature in a computing system, determining a system requestor associated with the access feature request, determining an achievement associated with the feature, accessing a plurality of first document types associated with the system requestor, determining that a document of the plurality of first document types reflects successful completion of the achievement, and providing a system access to the feature based on a determination that the document reflects successful completion of the achievement.
US11240248B2 Controlling interactions and generating alerts based on iterative fuzzy searches of a database and comparisons of multiple variables
A computing platform may receive, from a web server, entity identification information in different formats, and normalize the entity identification information. After normalizing the information, the computing platform may receive a plurality of interaction records each associated with an interaction between a system and a client of the system. The computing platform may compare the normalized entity identification information with the interaction records of the interactions between the system and the clients of the system. After determining that the entity identification information matches client information for one of the interaction records, the computing platform may send an alert to a control server. The alert may cause the control server to take one or more actions with respect to the client. For example, future attempts by the client to access one or more services offered by the system may be blocked for access by the client.
US11240247B2 Multi-user computing device configured for executing applications in multiple user contexts simultaneously
A multi-user computing device, such a communal computing device like an interactive digital whiteboard, can execute single user aware (“SUA”) applications and multi-user aware (“MUA”) applications. Instances of SUA applications execute in the context of a single user. MUA applications can execute in the contexts of multiple authenticated users simultaneously. A multi-user aware OS platform authenticates and de-authenticates users of the multi-user computing device. The multi-user aware OS platform provides notifications to MUA applications when users are authenticated and de-authenticated. When a new user is authenticated, MUA applications begin executing in the context of the newly authenticated user and any other previously authenticated users. When users are de-authenticated, MUA applications stop executing in the context of the de-authenticated user but continue executing in the context of the remaining authenticated users of the multi-user computing device. Data associated with the de-authenticated user is removed from the multi-user computing device.
US11240244B2 Presentation interrupt for a DID attestation
Embodiments disclosed herein are related to computing systems and methods for providing a presentation interrupt for a DID attestation. A DID attestation is accessed that is issued by a first entity of a decentralized network. The DID attestation defines information that has been generated by the first entity about a DID owner who is the subject of the DID attestation. The DID attestation includes interrupt metadata that directs that the first entity be contacted prior to the DID owner being able to present the DID attestation to a second entity of the decentralized network. In response to the DID owner attempting to present the DID attestation to the second entity, the first entity is contacted as directed by the interrupt metadata. Authorization information is received from the first entity. The authorization information indicates if the DID owner is able to present the DID attestation to the second entity.
US11240240B1 Identity defined secure connect
Systems and methods for network security are provided. Various embodiments issue single use certificates for validating remote endpoints access to the private network. Some embodiments use a triage zone (or triage gateway) to which remote device can calls into using a static issued certificate. However, instead of granting complete access to the virtual private network, the use of this static certificate only grants access to the triage zone where further validation of the endpoint without any access to sensitive content on the private network. The endpoint can be connected to an ID manager within the triage zone. The endpoint can then send the username and password to the ID manager that can create a single use certificate (e.g., valid for a limited period of time). While valid, the single use certificate can be used by the remote device to gain access to the production zone using a VPN tunnel.
US11240232B2 Multi-level authentication for a fire control system
Systems, devices, and methods for multi-level authentication for a fire control system are described herein. One system includes a first device configured to receive a request corresponding to an action to be performed regarding an electronic record generated for a fire control system and receive a first authentication form a first user for the action regarding the electronic record generated for the fire control system. The system is further comprised of one or more secondary devices configured to receive a notification of the request and a secondary authentication from at least one of a number of required users for the action regarding the electronic record to be performed. The system also includes a computing device configured to receive the first authentication from the first device and each of the secondary authentications from each of the one or more secondary devices and perform the action regarding the electronic record based on the first authentication received from the first device each of the secondary authentications received from each of the one or more secondary devices.
US11240231B2 Server and/or client device authentication
Embodiments of systems and methods for client and/or server authentication are provided. In one embodiment, a method includes sending information from a mobile network device to a server, wherein the information comprises a seed that is used by both the mobile network device and the server to compute a series of one time passwords. The method also includes receiving, by the mobile network device, a succession of one time passwords generated by the server throughout a session. And the method further includes comparing the received one time passwords generated by the server throughout the session to corresponding one time passwords generated at the mobile network device. In this manner, the server can be authenticated. In various embodiments, the process may be reversed to facilitate client, e.g., mobile network device, authentication.
US11240228B2 Data security utilizing historical password data
Aspects of the present invention disclose a method, computer program product, and system for performing a validation of authentication credentials from a user. The method includes one or more processors receiving authentication credentials input in an authentication session, the authentication credentials including a username and a password. The method further includes one or more processors generating a hash of the password of the received authentication credentials. In response to determining that the received authentication credentials are not valid, the method further includes one or more processors determining whether the generated hash of the password matches a stored hash associated with the username of the received authentication credentials.
US11240225B1 Single sign-on techniques
Systems and methods are described herein for providing single sign-on capabilities. In some embodiments, an intermediate endpoint of a service provider receives, from a user device, an http_post message including security data provided by an identity provider. In some embodiments, the intermediate endpoint retrieves relay state data specific to the identity provider and transmits the security data and the relay state data to the user device. The user device then transmits the security data and relay state data to an authentication endpoint of the service provider. The authentication endpoint verifies that the SAML response indicated the user was authenticated by an identity provider. A URL may be retrieved from the relay state data and the user device's web browser is redirected to the URL to provide access to one or more services of the service provider.
US11240223B1 Systems and methods for quantum consensus
Systems, apparatuses, and methods are disclosed for quantum entanglement authentication (QEA). An example method includes transmitting a first number and a second electronic identification of a second subset of the first set of entangled quantum particles to a second computing device, transmitting a second number and a first electronic identification of a first subset of a first set of entangled quantum particles to a first computing device, wherein each entangled quantum particle in the first set of entangled quantum particles is entangled with a respective entangled quantum particle in a second set of entangled quantum particles, receiving, from the first computing device, a third number, receiving, from the second computing device, a fourth number and in an instance in which the third number corresponds to the first number and the fourth number corresponds to the second number, authenticating a session between the first computing device and the second computing device.
US11240213B2 Resource obtaining, distribution, and download method and apparatus, device, and storage medium
A resource distribution method, when different peer nodes communicate with each other, a key pair is used for encryption. A resource is transmitted in a ciphertext form in a peer-to-peer (P2P) network. In particular, each resource may have a corresponding key pair, and different key pairs may be used to encrypt resources of different users.
US11240210B2 Methods, apparatuses, and systems for acquiring local information
The present application discloses methods, apparatuses, and systems for acquiring local information. An exemplary method may include sending a first request for information acquisition to a network apparatus through a script in a browser. The method may also include monitoring, through the local application tool, a random number, sent by the network apparatus, corresponding to the first request for information acquisition. Moreover, the method may include acquiring, through the local application tool, the first request for information acquisition corresponding to the random number stored in the network apparatus. Furthermore, the method may include acquiring, through the local application tool, local information corresponding to the first request for information acquisition, and sending, through the local application tool, the local information to the network apparatus.
US11240208B2 Split tunneling based on content type to exclude certain network traffic from a tunnel
Various techniques for split tunneling based on content type are disclosed. In some embodiments, a system, process, and/or computer program product for split tunneling based on content type includes monitoring session traffic received at a data appliance; determining if the session traffic is associated with a first content type; and redirecting the session traffic if the session traffic is associated with the first content type based on a policy.
US11240207B2 Network isolation
Methods and systems are disclosed for isolation of communications between a host computer system and one or more untrusted network destinations. An Internet isolation system may include a network, one or more host computer systems, a border firewall, an authorization device, and/or a proxy device. The Internet isolation system may be configured to implement network isolation between one or more untrusted network destinations, the one or more host computer systems, and/or the network. The network isolation may be implemented via one or more of a host-based firewall on each of the one or more host computer systems, the border firewall, the authorization device, the proxy device, an internal isolation firewall on each of the one or more host computer systems, and/or a segregation of a trusted memory space and an untrusted memory space on each of the one or more host computer systems.
US11240205B1 Implementing rules in firewalls
This disclosure describes systems, devices, and techniques for implementing master rules in firewalls. In some cases, at least one master rule is identified. The at least one master rule can be associated with performing at least one first operation on a first type of data traffic that satisfies at least one first condition. Multiple firewalls may implement the at least one master rule. In addition, a first firewall among the multiple firewalls may implement at least one application-specific rule in addition to the at least one master rule. The at least one application-specific rule may be associated with performing at least one second operation on a second type of data traffic that satisfies at least one second condition. The multiple firewalls may be between multiple applications and at least one network. Specifically, the first firewall may be deployed between a first application among the multiple applications and the network(s).
US11240203B1 Network segmentation by automatically generated security groups
A method of automatic security group generation by a firewall management service. The method may include receiving a security policy definition allowing cloud resource instances labeled by a first tag to communicate to cloud resource instances labeled by a second tag; creating a first security group comprising an inbound firewall rule for the cloud resource instances associated with the first tag, wherein the inbound firewall rule specifies cloud resource instances associated with a second security group as source communication endpoints; creating a second security group comprising an outbound firewall rule for the cloud resources instances associated with the second tag, wherein the outbound firewall rule specifies cloud resource instances associated with the first security group as destination communication endpoints; and causing a firewall service to implement the first security group and the second security group.
US11240200B1 Time-dependent network addressing
Disclosed are various embodiments for time based network addresses. A network packet is received over a network by a first computing device from a second computing device. The network packet contains a time-dependent destination address for a third computing device, such as a time-dependent internet protocol version 6 (IPv6) address. The time-dependent destination address contains a time-dependent checksum based at least in part on a current time and an encryption key associated with the third computing device. The checksum is validated upon receipt. In response to a determination that the checksum is valid, the network packet is forwarded to the third computing device.
US11240197B2 System and method for creating intelligent IP addresses
A method includes obtaining subscriber attributes from a subscriber, encoding the subscriber attributes into an internet protocol (IP) address, and assigning the encoded IP protocol address to the subscriber. The encoded IP address with attributes specific to the subscriber may then be used to provide customized and enhanced services to the subscriber and provide more efficient operations for the service provider.
US11240193B2 Managing electronic messages with a message transfer agent
Provided herein is an electronic message management platform that enables management and execution of electronic message campaigns while appropriately managing challenges presented by spam filters, black lists, and domain blocking technologies, and that includes elements for managing an electronic message campaign based on dynamic conditions, quality measures, engagement factors, and other measures, factors and conditions.
US11240191B2 Socializing support apparatus and non-transitory computer readable medium
A socializing support apparatus includes a detector that detects presence of a visiting user, the visiting user being a user visiting a shared apparatus, and a first controller that controls notification of first notification information, the notification being provided from a terminal apparatus to a terminal user if a notification condition is satisfied, the notification condition being detection of presence of the visiting user, the first notification information being information indicative of presence of the visiting user, the terminal user being a user of the terminal apparatus different from the visiting user.
US11240187B2 Cognitive attachment distribution
A method, a computer program product, and a computer system cognitively distribute email attachments to recipients. The method includes receiving an email composition for an email to be transmitted to a plurality of recipients, the email composition including at least one attachment. The method includes determining recipient information indicative of respective characteristics of the recipients. The method includes determining a context of a select one of the at least one attachment. The method includes, for each recipient, determining a score indicative of an appropriateness of the selected attachment being distributed to the recipient based on the recipient information of the recipient and the context of the selected attachment. The method includes, as a result of the score for a select one of the recipients satisfying a scoring threshold, distributing the attachment to the selected recipient via the email.
US11240185B2 Managing and executing serverless function command sets in a messaging service
A serverless function execution system enables fast, efficient and flexible deployment and execution of serverless functions. User commands are received from external messaging systems that cause functions to be executed. A serverless function associated with the user command is determined and the serverless function is executed in an isolation container at a function computation server. A response from the execution of the serverless function is sent to the external messaging system.
US11240183B2 Two-way real time communication system that allows asymmetric participation in conversations across multiple electronic platforms
Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, for receiving a first communication as part of a conversation, from an unauthenticated user of a web browser. A conversation identifier is determined based on the first communication. A first responder, a communication protocol, and a communication address of the first responder is determined. The first communication is sent to the first responder and a first reply is received. The conversation identifier is determined based on the first reply and the first reply is mapped to the web browser. The first reply is sent to the web browser.
US11240175B2 Systems and methods for managing multi-channel network traffic
The present disclosure generally relates to apparatus, software and methods for managing multi-channel network traffic to alleviate congestion, improve service quality and make efficient use of channel capacity. The disclosed apparatus, software and methods alleviate congestion and improve service quality by minimizing variance within a channel and/or increase overall traffic flow by minimizing the variance between channels. One or both of these objectives can be accomplished using modern portfolio theory to optimize at least one network usage parameter based on the mean and variance of the parameter(s).
US11240168B2 System and method to exchange identity governance data across multiple identity repositories
A technique for identity governance (IG) data exchange includes receiving, by a first adapter, an identity governance message from a first identity governance resource for transmission of the identity governance message to a second identity governance resource. The first adapter analyzes the message and, based on the analysis, selects a routing policy to apply to the message. Based on the routing policy, the adapter determines a select input queue from a plurality of input queues to receive the message and writes the message to the select input queue. The message is then routed from the select input queue to an output queue, and then a second adapter transfers the message from the output queue to the second identity governance resource.
US11240164B2 Method for obtaining path information of data packet and device
The present disclosure relates to methods and devices for obtaining path information of a data packet. One example method includes receiving, by a network device, a data packet transmitted in a network, and obtaining, by the network device, path information of the data packet from a source end to a destination end, where the path information is a total hop count of routers passed through by the data packet from the source end to the destination end or a latency of the data packet from the source end to the destination end.
US11240163B2 Practical overlay network latency measurement in datacenter
Some embodiments provide a method of identifying packet latency in a software defined datacenter (SDDC) that includes a network, several host computers executing several machines, and a set of one or more controllers. At the set of controllers, the method o receives, from a set of host computers, (i) a first set of time values associated with multiple packet processing operations performed on packets sent by a set of machines executing on the set of host computers and (ii) a second set of time values associated with packet transmission between host computers through the SDDC network. The method processes the first and second sets of time values to identify a set of latencies experienced by multiple packets processed and transmitted in the SDDC.
US11240161B2 Data communication apparatus for high-speed identification of adaptive bit rate, communication system, data communication method, and program
A data communication apparatus is provided that includes: a transmission-reception part configured to transmit and receive data between a client terminal and a server, an ABR determination part configured to determine whether or not a data transmission scheme from the server to the client terminal is based on an ABR (Adaptive Bit Rate) distribution scheme, and, a scheme determination part configured to determine the data transmission scheme upon transmitting a received data from the server to the client terminal according to a result by the ABR determination part, wherein the transmission-reception part is configured to transmit the received data from the server to the client by the data transmission scheme determined by the scheme determination part.
US11240160B2 Method, apparatus, and computer-readable storage medium for network control
Apparatuses and methods comprise receiving traffic from multiple virtual machines (VMs) associated with a same identification (ID); mapping the ID into a destination Internet Protocol (IP) address; and forwarding the traffic from the multiple VMs to a first gateway instance announcing the destination IP address.
US11240158B2 Release-time based prioritization of on-board content
Approaches are described for release-time-driven (RTD) prioritization of on-board content scheduling and delivery to in-transit transport craft via communications systems. In context of a constrained network, content is scheduled to be delivered to those in-transit on-board media servers in a manner driven by respective release times and other prioritization factors associated with the updated content. Each content is associated with a RTD priority profile that can define a release time, a release priority, and a profile plot for the content. The RTD priority profiles can be used to compute priority surfaces that define priority scores over a multidimensional space for a particular time. A subset of the content can be selected for delivery based on the priority surfaces, and can be scheduled for delivery according to network capacity determinations.
US11240157B1 Adaptive quality of service marking
Technologies for adaptively classifying network packets for quality of service (QoS) are provided herein. Adaptive classifiers track network packets transferred in data flows and network sessions, and apply various QoS classifications to the packets. An adaptive classifier can apply different QoS markings to packets in a data flow based on data flow metadata, such as the age of the data flow and/or the amount of data transmitted in the data flow. An adaptive classifier can assign various priority levels to network packets during different phases of a network session. Routers that receive the packets can prioritize transmission of the packets based on the applied QoS markings or assigned priority levels.
US11240155B2 Technologies for network device load balancers for accelerated functions as a service
Technologies for load balancing on a network device in an edge network are disclosed. According to one embodiment, a network device receives, in the edge network, a request to access a function. The request includes one or more performance requirements. The network device identifies, as a function of an evaluation of the performance requirements and on monitored properties of each device associated with the network device, one or more of the devices to service the request. The network device selects one of the identified devices according to a load balancing policy and sends the request to the selected device.
US11240153B1 Scoring policies for predictive routing suggestions
In one embodiment, a device makes a determination that a first predictive routing policy generated by a predictive routing engine for a network would have performed better than a preexisting routing policy that is active in the network. The device adjusts, based on the determination, a level of trust associated with the predictive routing engine. The device obtains information regarding a second predictive routing policy generated by the predictive routing engine for the network. The device activates the second predictive routing policy in the network, based on the level of trust associated with the predictive routing engine.
US11240150B2 Applying attestation to segment routing
In one embodiment, a method by an apparatus of a segment routing (SR) network includes receiving a data packet and accessing an attestation token for the apparatus. The method further includes determining a location within a header of the received data packet for the attestation token and creating an updated header by encoding the attestation token in the determined location of the header. The method further includes sending the updated header with the encoded attestation token to another apparatus of the SR network.
US11240148B2 Packet processing method and apparatus
A packet processing method and a related apparatus are provided. The method includes: obtaining a first packet including first indication information, wherein the first indication information is used to indicate a data flow corresponding to the first packet; determining a target flow entry in an integrated flow table based on the first indication information, wherein the integrated flow table includes at least one flow entry, each flow entry includes a unified match entry and a comprehensive behavior entry, the unified match entry uniquely identifies a data flow, a unified match entry of the target flow entry identifies the same data flow as indicated by the first indication information; and performing an operation on the first packet based on a comprehensive behavior entry included in the target flow entry.
US11240147B2 Asymmetric routing minimization
In some examples, an example method to minimize asymmetric routing at a network node may include maintaining a flow table including one or more records, each record indicating a packet flow and a corresponding tunnel, receiving a data packet to process at a network node, and determining whether to process the data packet as a follower node. The method may also include, responsive to a determination to process the data packet as a follower node, determining whether there is an entry in the flow table for a packet flow associated with the received packet, and, responsive to a determination that there is an entry in the flow table for the packet flow, transmitting the received data packet through a tunnel corresponding to the packet flow.
US11240144B2 Assisted replication in software defined network
A software defined networking (SDN) controller is configured to receive, from a Top-Of-Rack (TOR) switch, a first multicast route and a second multicast route. In response to determining that the first multicast route is an assisted replication route, the SDN controller is configured to add a first nexthop specified by the first multicast route to a list of nexthops for Broadcast, Unknown-Unicast, and Multicast (BUM) traffic. In response to determining that the second multicast route is not the assisted replication route, the SDN controller is configured to refrain from adding a second nexthop specified by the second multicast route to the list of nexthops. After adding the first nexthop, the SDN controller is configured to provision the list of nexthops at a virtual router.
US11240140B2 Method and system for interfacing communication networks
The invention is directed to a computer-implemented system and method for transmitting data from a first node to a second node of a source-selected path routing network. In said system and method according to the present invention, a first data packet is received at the first node, wherein said data packet was sent from a source node according to next-hop routing. Subsequently, at least part of the data contained in the data packet is transmitted from the first node to the second node according to source-selected path routing. Finally, the data received at the second node is transmitted to a destination node according to next-hop routing. Said system and method is further characterized by the steps of determining, for at least a subset of a plurality of available paths between the first node and the second node, a plurality of path parameters; determining a plurality of attributes related to the first data packet; selecting a preferred path from the plurality of available paths based on a decision rule, said decision rule specifying, for at least one attribute, a preferred range of path parameters; and remotely determining the second node based on destination information related to the destination node, wherein said destination information is extracted from the data packet.
US11240138B2 Management of network connections
A method for managing communication on a network between a first device and a second device. The devices communicate via a first communication link, called a main link, and a second communication link, called a secondary link. The energy consumption of the secondary link is less than that of the first communication link. The method includes establishing validity of a criterion relative to data traffic on at least one of the main or secondary link, and on the basis of the validity of the criterion, managing activation of the at least one link.
US11240137B2 Distributed wireless network operating system
A wireless network operating system for communication between a plurality of nodes of a network is provided. The operating system can enable an operator to define a centralized network control problem at a high level, decompose automatically the network control problem into a set of distributed subproblems, each subproblem characterizing a local behavior of a single session or a subset of sessions or a single node or a subset of nodes or a single protocol layer or a subset of protocol layers, to generate in an automated manner a set of solution algorithms, and send the set of solution algorithms to each node for execution at an associated node controller to optimize the parameters of a programmable protocol stack based on local state information at each node. A network device for use at a node in a wireless network, a method of wirelessly communicating between a plurality of nodes in a network, and a method of providing a wireless network operating system are also provided.
US11240136B2 Determining attributes using captured network probe data in a wireless communications system
Wireless user device probe data can be used to infer or determine an attribute of a user. The probe data can be captured by a sensor device from probes from the user device. The probe data can include network addresses of the wireless access points to which the user device has wirelessly connected prior to attempting a current connection to a wireless access point. The probe data can also include connection information about wireless links between the user device and the wireless access points to which the user device has connected prior to attempting the current connection. The probe data and a user device identifier can be provided for comparing the probe data to access point network addresses associated with attributes to determine an attribute for a user of the user device.
US11240133B2 Communication quality evaluation device, communication quality evaluation method, and communication quality evaluation program
A communication quality evaluation device includes: a storage unit configured to store permission relationship information indicating a relationship between a plurality of first objective indicators indicating communication quality, and use continuation possibility information indicating whether a user will continue use in the case of each of the first objective indicators; an indicator acquisition unit configured to acquire a second objective indicator at a point in time at which the communication quality evaluation device makes a determination; and a permission determination unit configured to determine, using the second objective indicator acquired by the indicator acquisition unit and with reference to the permission relationship information stored in the storage unit, whether the user will continue use on the basis of the result of the referencing.
US11240131B2 Systems and methods for evaluating a user experience in a network based on performance indicators
A device may collect network performance data associated with a user equipment of a network. The network performance data may include information associated with a plurality of performance indicators of the network. The device may process information associated with a first portion of the plurality of performance indicators to determine a first performance category experience score, and information associated with a second portion of the plurality of performance indicators to determine a second performance category experience score. The device may process the first performance category experience score and the second performance category experience score to determine a network experience score. The device may determine whether the network experience score satisfies a threshold value. The device may perform one or more actions based on determining that the network experience score satisfies the threshold value.
US11240130B2 Triggering packet capture based on detecting a sequence anomaly
In one embodiment, a method is performed. A device comprising a non-transitory memory and a processor coupled to the non-transitory memory may be in communication with a plurality of network devices. The device may detect an anomaly in a detected sequence of events occurring during a connectivity process for establishing a connection between a first network device and a second network device of the plurality of network devices. The anomaly may comprise a difference between the detected sequence of events and a predetermined sequence of events. The device may determine whether the anomaly satisfies a criterion for triggering a packet capture operation. If so, the device may cause at least one of the first network device or the second network device to capture at least one target packet.
US11240125B2 System and method for predicting and reducing subscriber churn
A system and method for creating a model for predicting and reducing subscriber churn in a computer network. The method including: for a predetermined time period: retrieving traffic flow data per subscriber for a plurality of subscribers in the computer network; determining at least one metric per subscriber from the traffic flow data; determining at least one systemic feature associated with the plurality of subscribers; and storing the at least one amalgamated metric and feature; on reaching the predetermined time period create the model by: analyzing at least one metric and at least one feature for the predetermined time period; predicting, per subscriber, whether the subscriber is going to churn within a churn period in the future based on the analysis; validating the prediction by determining whether the subscriber actually churned during the churn period; and creating the model based on the validated predictions.
US11240121B2 Methods and systems for controlling data backup
Implementations of the subject matter described herein provide methods and systems of controlling data backup, and a computer readable storage medium. The method comprises: obtaining test data for performing data backup with a plurality of backup solutions, the plurality of backup solutions being associated with each set of values amongst a plurality of sets of values of a plurality of factors affecting the data backup; generating a training sample set based on comparison of the test data; converting the training sample set into a decision model for controlling data backup; and optimizing the decision model based on the configuration parameters obtained by performing data backup with the decision model.
US11240107B1 Validation and governance of a cloud computing platform based datacenter
A system receives one or more modifications to a platform-independent declarative specification from a set of data center entity owner teams to generate a modified platform-independent declarative specification that captures various aspects for deploying a data center on a target cloud platform. The system performs end-to-end validation of the modifications in multiple phases, starting with validating the modifications based on a set of predefined rules associated with the modified platform-independent declarative specification. When all the multiple phases of validation indicate success, the system a notification of end-to-end validation success in association with the received changes. Each request to modify a data center entity in the platform-independent declarative specification undergoes governance checks to ensure that the approver of the request belongs to a predefined set of owners associated with the data center entity.
US11240106B2 Providing backup and restore services to network attached appliances in a network
Provided are a computer program product, system, and method for providing backup and restore services to network attached appliances in a network. Configuration settings comprising configuration settings used in a network attached appliance are gathered and a unique identifier for the network attached appliance is determined. A backup request is generated including the configuration settings, the unique identifier, and a backup operation code. The backup request is broadcasted on the network to be received by the backup servers to store the configuration settings for the unique identifier.
US11240104B1 Device configuration parameter determination
Systems, devices, media, and methods are presented for assigning configuration parameters to unknown devices by comparing characteristics of unknown devices to characteristics of known devices. Characteristics of an unknown device are compared to characteristics of known devices to identify a similar device having known configuration parameters. The unknown devise is then assigned the configuration parameters of the identified similar device.
US11240102B2 Peripheral device identification system and method
A system and method for dynamically identifying an accessory or other peripheral device to be wirelessly paired with a tablet computer or other primary device, wherein the accessory comprises a display screen that displays a quick response (QR) code when the accessory is not paired, and after the QR code is scanned by the tablet computer, which is then wirelessly paired with the accessory, the QR code is replaced on the display screen with an image associated with the user, such as a picture of the user, the users name, or other means of associating the accessory with the user.
US11240099B2 Network grafting
Grafting segments of a network together to mitigate service disruptions associated with impairments, maintenance, etc., is contemplated. The grafting may include instantiating a wired and/or wireless graft to facilitate connecting an impaired portion of a network to an unimpaired portion, such as to reestablish services at the impaired portion via the graft to the unimpaired portion.
US11240096B2 Method for using context awareness for the coordination of management and mobile network service operation planes
The present application relates to a mobile core network (MCN) supporting end-to-end (E2E) network slicing, which comprises a controlling entity (CA_NF), one or more network function (NF) entities extended with functionalities (CA-NFExt), a network management entity (OSS) extended with functionalities (CA_OSSExt), and a coordination entity (CA_CF). The CA_NF communicates with the CA_OSSExt through the CA_CF using interfaces (If-CA_MP and If-CAC_OSS), and with the CA-NFExts using a respective interface (If-CA_NF) and/or other NFs interfaces. Based on information received from the OSS and the NF entities, the CA_NF generates a context with a certain type, sends, based on the generated context, context-related information towards entities impacted by the generated context amongst the NF entities and the OSS, and blocks, for a period of time, a transmission of any generated context towards the NF entities upon receiving, from the OSS, a notification message once the OSS decides to enforce a change.
US11240092B2 Authorizing communications between computing nodes
Techniques are described for managing communications between multiple computing nodes, such as computing nodes that are separated by one or more physical networks. In some situations, the techniques may be used to provide a virtual network between multiple computing nodes that are separated by one or more intermediate physical networks, such as from the edge of the one or more intermediate physical networks by modifying communications that enter and/or leave the intermediate physical networks. In some situations, the computing nodes may include virtual machine nodes hosted on one or more physical computing machines or systems, such as by or on behalf of one or more users (e.g., users of a program execution service). The managing of the communications may include determining whether communications sent to managed computing nodes are authorized, and providing the communications to the computing nodes only if they are determined to be authorized.
US11240089B2 Methods and apparatus for transmit IQ mismatch calibration
A method of pre-compensating for transmitter in-phase (I) and quadrature (Q) mismatch (IQMM) may include sending a signal through an up-converter of a transmit path to provide an up-converted signal, determining the up-converted signal, determining one or more IQMM parameters for the transmit path based on the determined up-converted signal, and determining one or more pre-compensation parameters for the transmit path based on the one or more IQMM parameters for the transmit path. In some embodiments, the up-converted signal may be determined through a receive feedback path. In some embodiments, the up-converted signal may be determined through an envelope detector.
US11240084B2 Method of signal generation and signal generating device
A transmission method simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.
US11240081B2 Method, device, and system for transmitting or receiving uplink control channel in wireless communication system
A UE in a wireless communication system is disclosed. The UE includes a communication module and a processor for controlling the communication module. The processor determines a first cyclic shift (CS) value based on hybrid automatic repeat request acknowledgment (HARQ-ACK) information representing a response to a downlink channel having been received from a base station, determines a CS offset based on request information representing a request to be transmitted from the UE to the base station, determines a second CS value representing a degree of cyclic-shifting a base sequence to be used in a physical uplink control channel (PUCCH) based on the first CS value and the CS offset, and transmits the PUCCH for simultaneous transmission of the request information and the HARQ-ACK information using a sequence generated by cyclic-shifting the base sequence based on the second CS value.
US11240080B2 Wireless communication electronic device and method, and computer readable storage medium
Provided are an electronic device and method for wireless communication, the electronic device comprises a processing circuit, which is configured for: generating a first indication indicating the number of orthogonal frequency division multiplexing symbols occupied by a front load-on demodulation reference signal; generating a second indication indicating a configuration of an additional demodulation reference signal; and determining a mode of demodulating the reference signal on the basis of the first indication and the second indication, and generating a mode index corresponding to the mode to provide to user equipment.
US11240076B2 Vector signaling code with improved noise margin
Methods are described allowing a vector signaling code to encode multi-level data without the significant alphabet size increase known to cause symbol dynamic range compression and thus increased noise susceptibility. By intentionally restricting the number of codewords used, good pin efficiency may be maintained along with improved system signal-to-noise ratio.
US11240074B2 Communication device and communication method
A communication device includes a zero-forcing equalizer that receives a receipt signal and execute zero-forcing equalization on the receipt signal, a partial response equalizer that receives the receipt signal and execute partial response equalization on the receipt signal, a first weighted value calculator that calculates a first weighted value based on signal quality of the receipt signal output from the zero-forcing equalizer, a second weighted value calculator that calculates a second weighted value based on signal quality of the receipt signal output from the partial response equalizer, and an estimator that estimates a maximum likelihood sequence by supplying the first weighted value to state transition based on output by the zero-forcing equalizer and supplying the second weighted value to state transition based on output by the partial response equalizer.
US11240071B1 Channel equalization for wireless communication devices
A wireless communication device is described. The wireless communication device includes a receiver. The receiver is configured to determine a time-domain sample of a single carrier based on a received signal. The receiver is also configured to determine an estimated value based on the time-domain sample. The receiver is further configured to perform slicing based on the estimated value to produce a sliced value. The receiver is additionally configured to adapt a frequency-domain coefficient based on the estimated value and the sliced value. The receiver is also configured to perform channel equalization based on the frequency-domain coefficient.
US11240069B2 Communication device, information processing method, and storage medium
A communication device is configured to correlate a first signal with a second signal at a designated interval, the second signal corresponding to the first signal and being received by the communication device where the other communication device transmits a signal including a pulse as the first signal, convert a correlation computation result that is a result of correlating the first signal with the second signal at the designated interval into a format including a matrix product of an expanded modal matrix and an expanded signal vector, the expanded modal matrix including a plurality of elements indicating the correlation computation result obtained when assuming that the signals are received at respective set times, the expanded signal vector being a vector including a plurality of elements, each of which indicates whether or not there is a signal received at each of the set times and amplitude and phase of the signal.
US11240065B2 NSH encapsulation for traffic steering
A method for establishing a tunnel between VTEPs includes receiving at an SDN controller a tunnel creation request to establish a VxLAN tunnel from a first VTEP to a second VTEP, determining a VxLAN tunnel of network nodes coupling the first VTEP to the second VTEP, assigning a SvcPI to the VxLAN tunnel, and sending a tunnel initiation command to the first VTEP, the tunnel initiation command causing the first VTEP to convert an Ethernet frame to a path-ID frame by adding an NSH encapsulation header and to forward the path-ID frame to the next network node in the VxLAN tunnel.
US11240059B2 Defining and implementing sensor triggered response rules
Systems, methods, and devices for managing sensor event rules are described. Methods may comprise determining a sensor event rule, wherein the sensor event rule comprises a rule sensor identifier and a rule event identifier. Data indicative of a sensor event may be received. The data may be associated with a first premises device. The data may further indicate an identifier of the first premises device and an identifier of a sensor event. Based on determining that the identifier of the rule sensor identifier corresponds to the identifier of the first premises device and that the rule event identifier corresponds to the identifier of the sensor event, a control signal may be transmitted to a second premise device. The control signal may be configured to cause configuration of one or more settings associated with one or more functions of the second premises device.
US11240057B2 Alternative output response based on context
One embodiment provides a method in which an audible command is first received from a user. Subsequent to receipt of the audible command, one or more sensors may detect certain contextual data associated with the user's physical surroundings. An embodiment may then determine, using the data, whether a default output response associated with the audible command is appropriate with respect to the user's physical surroundings. If the default output response is determined not to be appropriate, an embodiment may thereafter provide an alternative output response that is appropriate with respect to the user's surroundings. Other aspects are described and claimed.
US11240056B2 Safety automation system
A safety automation system for an occupiable structure includes a computing management system including a computer processor, and a computer readable storage medium configured to run embedded software and cloud server software. A fire detection device of the automation system is adapted to detect a fire condition and output an associated fire condition detected signal to the computing management system. A condition deterrence device is configured to accept a wireless command signal from the computing management system associated with the fire condition detected signal and for actuating an appliance to at least reduce risk presented by the condition.
US11240050B2 Online document sharing method and apparatus, electronic device, and storage medium
The present disclosure provides a method and apparatus for sharing an online document, an electronic device, and a storage medium. The method includes: providing (101) a sharing interface containing one or more candidate conference events based on a request from a currently logged-in user for sharing an online document; obtaining (102) a target conference event selected by the currently logged-in user from the one or more first candidate conference events, and obtaining an operation permission for the online document set by the currently logged-in user for the target conference event; then, obtaining (103) a participant account number participating in the target conference event, and setting an operation permission of a participant corresponding to the participant account number for the online document based on the operation permission; and sending (104) prompt information to the participant, such that the participant accesses the online document based on the prompt information.
US11240048B2 Systems and methods for waking a network interface device in a low power mode
Embodiments described herein provide a method for waking a first node in a low power mode. A network comprises at least the first node and a second node in an awake mode where the first and second nodes have respective transceivers coupled via substantially fixed communication pathways. The transceiver of the second node obtains a training signal designed to be transmitted at a pre-defined symbol rate and transmits the training signal at a symbol rate lower than the pre-defined symbol rate to the physical layer of the first node for a predetermined duration of time. The second node, in response to receiving the training signal transitions from the low power mode to an awake state.
US11240045B2 Detection and prevention of unauthorized execution of severless functions
Methods and systems for detecting and responding to fabricated or unauthorized events received by serverless computing environments are provided. In one embodiment the method is provided that includes receiving an event from an event source external to the serverless computing environment for execution by function. The method may then include creating a message that includes the events and signing the message with an identifier of the event source. The message may then be received at the function and the identifier of the event source may be validated. The event may then be executed with the function of the serverless computing environment if the identifier of the event sources successfully validated. However, if the identifier of the event source is not successfully validated, execution of the event with the function may be prevented.
US11240042B2 Merkle signature scheme tree expansion
A first public key is generated based at least in part on a first plurality of signing keys and a second public key is generated based at least in part on a second plurality of signing keys. The signing keys may be used to generate digital signatures. The second public key may be made available to verify a digital signature generated using a signing key from the second plurality of signing keys. In some cases, a first Merkle tree may be formed by the first public key and the first plurality of signing keys, and a second Merkle tree may be formed by the second public key, the first public key, and the second plurality of signing keys.
US11240036B2 Consensus verification method, apparatus, and device
Implementations of the present specification disclose a consensus verification method, apparatus, and device. In the implementations of the present specification, for each piece of service data, if first consensus verification on the service data fails, a first node determines whether the service data satisfies a predetermined retry condition instead of directly considering the service data to be invalid. If the predetermined retry condition is satisfied, then the service data is stored as service data to be retried. The first node can perform the first consensus verification on the service data to be retried in response to determining that a predetermined retry execution condition is triggered.
US11240034B2 Consensus methods and systems in consortium blockchain
A consensus method and system in a consortium blockchain is provided. An example method includes, when a first consensus node in a consensus network of the consortium blockchain does not complete a consensus operation on target data on which a consensus is to be reached within a predetermined time period, the first consensus node broadcasts a ViewChange message in the consensus network based on a P set and a Q set constructed from an ECHO message. For a received ViewChange message, a second consensus node sends a ViewChangeACK message corresponding to the received ViewChange message to a second consensus primary node. When the second consensus primary node receives N−f−2 ViewChangeACK messages from consensus nodes, the second consensus primary node obtains identical P sets and a identical Q sets in the received ViewChange message. The second consensus primary node makes a view change decision based on the received ViewChange message.
US11240031B2 System and method for delegating authority through coupled devices
The present disclosure provides a system and method for delegating authority to cloud IoT devices, with such delegated authority enabling the cloud IoT devices to access second cloud services outside of a core network. The IoT device uses its IoT identity to obtain a token for accessing the second service within a predefined time window. The token may be used to access the second service without further authentication by the second service. Accordingly, the IoT device can take particular actions, such as downloading files, etc., during the predefined time window. After the predefined time window, the IoT device may no longer access the second service without obtaining another token.
US11240030B2 Token management layer for automating authentication during communication channel interactions
There is provided systems and method for a token management layer for automating authentication during communication channel interactions. A user may contact an organization, such as an online service or payment provider through a first communication channel. During communications with the service provider, the user may provide authentication and/or personal information to step-up the users authentication and identity verification with the service provider. The service provider may provide a token management layer that stores the provided information with a tokenization system and allows the information to be provided for future authentication step-ups when the token is access and/or received. This may be due to additional communications by the user with the service provider, or may occur when the user contacts another service provider that is enrolled with the token management layer. The service provider may also issue other authentication tokens, such as voice authentication.
US11240028B2 Trust service engine for external blockchain verification
Provided is a system and method for implementing remote trust services for blockchain. In one example, the method may include one or more of retrieving block content from a portion of a blockchain via an application programming interface (API), in response to a triggering event being detected, calling an off-chain trust service to sign the retrieved block content, receiving accreditation results of the retrieved block content from the off-chain trust service, the accreditation results comprising an indication of whether the retrieved block content has been successfully signed, and writing the received accreditation results to a block within the blockchain.
US11240027B2 Synchronizing radius server databases using distributed ledger network
Implementations of the disclosure are directed to using a distributed ledger network to synchronize configuration changes across a network of servers that provide authentication, authorization, and accounting (AAA). In some implementations, a method includes: receiving, at a first server that provides AAA of users that access a network, a user request to update a configuration of a database of the first server, the database including authentication credentials for users that access the network, in response to receiving the user request, transmitting a transaction to the distributed ledger network for validation, the transaction comprising a request by the first server for each server of the distributed ledger network to update their respective database configuration in accordance with the user request; and after the transaction is validated by the distributed ledger network, the first server updating its database configuration in response to receiving the update comprising the validation of the transaction.
US11240022B1 Passive encryption rotation keys
In one arrangement, a method for a key management server to manage cryptographic key rotation comprises rotating, by the key management server, an initial symmetric key based on a first rotation schedule. Rotating the initial symmetric key comprises rotating bits of the initial symmetric key to create a rotated key, the rotated key being different from the initial symmetric key. The method further comprises enciphering, by the key management server using the rotated key, data sent to a first client server. In another arrangement, a method for a client server to manage cryptographic key rotation comprises rotating, by the client server, an initial symmetric key based on a schedule. The method further comprises deciphering, by the client server, data sent from a key management server using the rotated key and providing the deciphered data to a user.
US11240018B2 Quantum communications system having quantum key distribution and using a talbot effect image position and associated methods
A quantum communications system may include communications system that operates with a quantum key distribution (QKD) system, which includes a transmitter node, a receiver node, and a quantum communications channel coupling the transmitter node and receiver node. The transmitter node may cooperate with the quantum communications channel defining at least one Talbot effect image position along the quantum communications channel. The receiver node may be located along the quantum communications channel at the at least one Talbot effect image position.
US11240017B2 Apparatus and method for decoy-state three-state quantum key distribution
The invention relates to a Quantum Key Distribution system comprising a transmitter 300 and a receiver 400 for exchanging a quantum key via a quantum channel 600 through a decoy-state three state protocol wherein the transmitter comprises a transmitter processing unit 340 adapted to use random numbers from a quantum random generator to select a quantum state to encode from different states of intensity and basis, a Pulsed light source 310 adapted to generate an optical pulse, a time-bin interferometer 320 through which the generated optical pulse passes and which transforms generated optical pulse into two coherent pulses separated by the time bin duration, a single intensity modulator 360 adapted to change the intensity of the two pulses individually according to the choice made by the transmitter processing unit 340, and a variable optical attenuator 370 adapted to reduce the overall signal intensity to the optimum photon number per pulse.
US11240013B1 Systems and methods for passive quantum session authentication
Systems, apparatuses, methods, and computer program products are disclosed for session authentication. An example method includes determining, by decoding circuitry, a set of quantum bases to use for measurement. The example method further includes receiving, by the decoding circuitry, a series of photons. The example method further includes decoding, by the decoding circuitry and based on the determined set of quantum bases, the series of photons to generate a decoded set of bits. The example method further includes generating, by session authentication circuitry, a session key based on the decoded set of bits.
US11240007B1 Using secure enclaves for decryption in unsecured locations
Systems, methods, and computer-readable media are disclosed for systems and methods for using secure enclaves for decryption in unsecured locations. Example methods may include receiving, by a webserver, an encrypted session key from a device, where the encrypted session key is encrypted using a public key associated with the webserver, sending the encrypted session key to a key server for decryption, where the key server is configured to decrypt the encrypted session key in a secure enclave, determining, by the key server, a decrypted session key using a private key, where private key data for a number of private keys is stored at the secure enclave, receiving a decrypted session key from the key server, where the decrypted session key is the encrypted session key in decrypted form, and establishing a secure session with the device using the decrypted session key.
US11240005B2 Method and system for querying a secure database located on an untrusted device
In general, embodiments of the invention relates to a method for managing data, the method includes obtaining, by an untrusted device and from a querying system, an item query, identifying a leaf block of a hierarchical block tree associated with the item query, identifying a plurality of indirect blocks that allow the querying system to calculate a top hash of the hierarchical block tree, and sending an item query response to the querying system, wherein the item query response specifies the leaf block, the plurality of indirect hashes corresponding to the plurality of indirect blocks, and a signature of the top hash, wherein the signature is obtained from a trusted system.
US11240004B2 Blockchain system with a trust escrow
A system, method, and computer-readable storage medium is provided for creating first and second blockchain instances, each comprising representative blocks corresponding to steps in first and second multistep processes, respectively; performing a linking operation to link a block in the first blockchain instance to a block in the second blockchain instance; receiving change evidence data pertaining to steps in one of the first and second multi-step processes; and performing an update operation comprising updating one of the first and second blockchain instances based on said change evidence data.
US11240000B2 Preservation of uniqueness and integrity of a digital asset
An example operation may include one or more of connecting, by an asset server, to a source blockchain configured to store a digital asset of an asset owner, enciphering and locking, by the asset server, the asset in the source blockchain, manifesting, by the asset server, the asset as a linked asset in a target blockchain, tracking, by the asset server, a life cycle of the asset, detecting, by the asset server, an end of the life cycle of the asset, reflecting, by the asset server, the end of the life cycle of the asset in the source blockchain, and creating, by the asset server, the asset in the target blockchain.
US11239998B2 System architecture and method of processing data therein
A method of performing ordered statistics between at least two parties is disclosed which includes identifying a first dataset (xA) by a first node (A), identifying a second dataset (xB) by a second node (B), wherein xB is unknown to A and xA is unknown to B, and wherein A is in communication with B, and wherein A and B are in communication with a server (S), A and B each additively splitting each member of their respective datasets into corresponding shares, sharing the corresponding shares with one another, arranging the corresponding shares according to a mutually agreed predetermined order into corresponding ordered shares, shuffling the ordered shares into shuffled shares, re-splitting the shuffled shares into re-split shuffled shares, and performing an ordered statistical operation on the re-split shuffled shares, wherein the steps of shuffle and re-split is based on additions, subtractions but not multiplication and division.
US11239995B2 Apparatus for processing approximately encrypted messages and methods thereof
A method for processing an encryption is provided. The method for processing an encryption includes the steps of linearly transforming a homomorphic encryption for an approximate message including an error, performing an approximate modulus operation for the linearly transformed homomorphic encryption by using a multi-degree polynomial set such that input values within a predetermined range are approximate to an integer point, and linearly transforming the homomorphic encryption which was approximately modulus operated into a form of encryption.
US11239993B2 Clock syntonization using network effect and/or adaptive stochastic control
Systems and methods are disclosed herein for syntonizing machines in a network. A coordinator accesses probe records for probes transmitted at different times between pairs of machines in the mesh network. For different pairs of machines, the coordinator estimates the drift between the pair of machines based on the transit times of probes transmitted between the pair of machines as indicated by the probe records. For different loops of at least three machines in the mesh network, the coordinator calculates a loop drift error based on a sum of the estimated drifts between pairs of machines around the loop and adjusts the estimated absolute drifts of the machines based on the loop drift errors. Here, the absolute drift is defined relative to a drift of a reference machine.
US11239974B2 Data transmission method and apparatus, storage medium and processor
Provided are a data transmission method and apparatus. The method includes that a first node configures configuration information of each time unit within a transmission period, where the configuration information includes a transmission direction and transmission content in each time unit, that the first node notifies the configuration information to a second node, and that the first node performs data transceiving with the second node according to the configuration information.
US11239964B2 Methods and apparatus for symbol-to-symbol multiplexing of control, data, and reference signals on a 5G uplink
Methods and apparatus for symbol-to-symbol multiplexing of control, data, and reference signals on a 5G uplink. In one aspect, a job descriptor generator is configured to calculate mapping parameters for each symbol based on high level configuration parameters. A data/UCI multiplexing job engine, which is coupled to the job descriptor generator, provides symbol-based multiplexing and mapping which includes calculating reserved locations for PTRS and DMRS based on frequency-domain mapping of both PTRS and DMRS and multiplexing of data and controls from calculated intermediate parameters. A downstream processor is coupled to the job engine and configured to modulate data and control REs and insert DMRS or PTRS. In one example, the job descriptor generator is a configurable DSP processor and the job engine is an ASIC hardware accelerator.
US11239961B2 Receiver circuit and methods
Disclosed is a receiver circuit comprising an analog-to-digital converter (ADC) circuit having an analog input, a clock input, and a digital output, and a clock divider circuit having a reference clock input and a phase selector input, and having a clock output coupled to the clock input of the ADC circuit. The clock divider circuit is configured to divide a reference clock signal coupled to the reference clock input at a reference clock frequency, to produce a clock output signal at an ADC clock frequency, at the clock output, such that the reference clock frequency is an integer multiple N of the ADC clock frequency. The clock divider circuit is further configured to select from among a plurality of selectable phases of the clock output signal, responsive to a phase selector signal applied to the phase selector input.
US11239957B2 Data processing method and data processing apparatus
This application provides a data processing method and a data processing apparatus. The data processing method includes: determining C code blocks, where C is a positive integer; and dividing the C code blocks into K code block groups, where an absolute value ΔC of a difference between quantities of code blocks included in any two of the K code block groups is less than or equal to a first threshold, and K is a positive integer. The data processing method and the data processing apparatus provided in this application help lower a bit error rate.
US11239956B2 Timers for control channel monitoring
A wireless device receives message(s) comprising: a first value for an uplink hybrid automatic repeat request (HARQ) round-trip-time (RTT) timer; and a second value for an uplink discontinuous reception (DRX) retransmission timer. A transport block is transmitted via an uplink data channel. The uplink HARQ RTT timer is started with the first value in response to transmitting the transport block. The first value indicates a first number of symbols. The uplink DRX retransmission timer is started with the second value in response to the uplink HARQ RTT timer expiring. The second value indicates of a second number of slot lengths. A downlink control channel is monitored while the uplink DRX retransmission timer is running.
US11239955B2 Supporting multiple hybrid automatic repeat request processes
A radio device (110) and/or network node (105) support multiple HARQ processes. In particular, responsive to the radio device (110) receiving a resource grant for a first HARQ process, the radio device (110) starts or restarts a timer that configures the radio device (110) to monitor for a resource grant of a second HARQ process. Additionally or alternatively, the network node (105) transmits a resource grant for a first HARQ process and a resource grant for a second HARQ process to the same radio device (110).
US11239953B2 Triggering HARQ-ACK feedback for a downlink slot set
Apparatuses, methods, and systems are disclosed for triggering HARQ-ACK feedback for a downlink slot set. One apparatus includes a receiver that receives a first control signal from a base unit for triggering HARQ-ACK feedback for a downlink slot set. The downlink slot set comprises multiple downlink slots. The apparatus includes a processor that identifies the downlink slot set in response to the first control signal and a transmitter that transmits UCI to the base unit in a slot determined by the first control signal. Here, the UCI comprises the HARQ-ACK feedback for the identified downlink slot set. The HARQ-ACK feedback for the downlink slot set corresponds to all downlink transmissions in the downlink slot set and is transmitted in one UCI.
US11239949B2 Apparatus and methods for polar code construction and coding
Methods and apparatuses for implementing error-correction in communication systems, particularly wireless communication systems. Input bits are encoded according to a chained generator matrix to generate a codeword, and the codeword is transmitted. The chained generator matrix includes a first subset of entries corresponding to a first subset of entries in a base generator matrix for a chained polar code, and a second subset of entries that are different from a second subset of entries in the base generator matrix. A chained generator matrix could be constructed, for example, by applying a chaining matrix to the second subset of entries in the base generator matrix, to produce the second subset of entries in the chained generator matrix.
US11239948B2 BCC puncturing patterns for data retransmission in wireless network
Transmitting, in a wireless local area network (WLAN), a second punctured coded bit sequence generated by puncturing coded data using a second puncturing pattern, wherein the coded data has previously been punctured using a first puncturing pattern to generate a first punctured coded bit sequence transmitted in the WLAN. The second puncturing pattern is different than the first puncturing pattern to cause at least some bits of the coded data that were omitted in the first punctured coded bit sequence to be included in the second punctured coded bit sequence.
US11239941B2 Feedback techniques for wireless communications
Methods, systems, and devices for wireless communications are described. A device, which may be otherwise known as user equipment (UE) may support sidelink communications, for example, such as device-to-device (D2D) communications, vehicle-based communications, which may also be referred to as vehicle-to-everything (V2X) communications, vehicle-to-vehicle (V2V) communications, and the like. To mitigate or decrease collisions or other interference on resources (e.g., time and frequency resources) used by other UEs in sidelink communications, a UE may determine a blind retransmission of a packet, determine that the packet satisfies one or more conditions based in part on the blind retransmission, and transmit feedback signal relating to the blind retransmission of the packet.
US11239940B2 Joint encoding schemes with interleaver and tone mapper for multi-RU operation
A method of joint encoding schemes with interleaver and tone mapper for multiple-resource unit (multi-RU) operation involves performing joint encoding of a plurality of information bits to generate a plurality of encoded bit sequences. The method also involves processing the plurality of encoded bit sequences by interleaving and tone mapping the encoded bit sequences with respect to a plurality of resource units (RUs) on either or both of an aggregate-RU basis and an individual-RU basis to generate a plurality of processed bit sequences. The method further involves transmitting the plurality of processed bit sequences over the plurality of RUs.
US11239939B2 Scheduling in communication systems with multiple service types
A method for a user equipment (UE) to receive physical downlink control channels (PDCCHs) with a first sub-carrier spacing (SCS) includes receiving a bitmap indicating symbols of a slot that are first symbols of control resource sets (CORESETs) for PDCCH receptions, determining, based on the bitmap, a first number of symbols that is a smallest number of symbols in between a first symbol of PDCCH receptions in first CORESETs and a first symbol of PDCCH receptions in second CORESETs, determining, based on the first number of symbols and the SCS, a first maximum number of non-overlapping control channel elements (CCEs), and receiving the PDCCHs with the first SCS according to the first maximum number of non-overlapping CCEs.
US11239937B2 Semiconductor devices
A semiconductor device includes a first processor configured to generate a first error check code of a first data and an audio circuitry. The audio circuitry is configured to receive the first data, receive a second data, generate a second error check code of the first data, and generate a modulation signal based on the first and second data. The first processor may determine whether the first and second error check codes are identical to each other. The first processor may control the audio circuitry to control the generation of the modulation signal based on at least the first data, in response to a determination that the first and second error check codes are identical to each other.
US11239935B2 Out-of-band communication channel for subcarrier-based optical communication systems
An example system includes a hub transceiver and a plurality of edge transceivers. Each of the edge transceivers has one of several types of configurations for communicating with an optical communications network. Each type of configuration is associated with a different responsive optical subcarrier assignment protocol. The hub transceiver is operable to determine a plurality of optical subcarriers available for assignment by the hub transceiver to the plurality of the edge transceivers for use in communicating over the optical communications network, and assign, to each of the edge transceivers, a respective subset of the optical subcarriers. Assignment includes, determining that each of the edge transceivers has a particular type of configuration, and assigning a respective subset of the optical subcarriers to the edge transceiver according to the optical subcarrier assignment protocol associated with the that type of configuration.
US11239932B2 Circuit emulation maintaining transport overhead integrity
Techniques for emulating a time division multiplexed (TDM) circuit using a packet switched network are described. First and second packet nodes are installed in a communication network. The first TDM node and second TDM node form a first span in the TDM circuit. First and second fiber connections are disconnected from the first and second TDM nodes, and connected to the first and second packet nodes. A portion of TDM data transmission across the first span is emulated using a packet connection formed by the first packet node and the second packet node. The TDM data transmission includes transport overhead data, and the packet connection emulates the transport overhead data.
US11239928B2 Dynamic sensitivity and strength control of communication signals between implantable medical devices
Described herein is an implantable medical device (IMD) that wirelessly communicates another IMD, and methods for use therewith. Such a method can include receiving one or more implant-to-implant (i2i) communication signals from the other IMD using a communication receiver of the IMD, measuring a strength of at least one of the one or more received i2i communication signals or a surrogate thereof, and updating a strength metric based on the measured strength or surrogate thereof. The method further includes determining, based on the updated strength metric, whether to increase, decrease, or maintain the sensitivity of the communication receiver of the IMD, and responding accordingly such that the sensitivity is sometimes increased, sometimes decreased, and sometimes maintained. The method can also include selectively causing a transmitter of the IMD to transmit an i2i communication signal to the other IMD requesting that the other IMD adjust its transmission strength.
US11239924B2 Per-channel modulation error ratio (MER) calibration and determination on a multi channel receiver
A method, apparatus and system for per-channel MER calibration and determination on a multi-channel receiver.
US11239921B2 Blade device
In order to reduce the number of wires between blades, this blade device is provided with: a control blade for sending first information, which is at least one of control information for controlling a blade to be controlled and monitor information for monitoring the blade to be controlled, to the blade to be controlled by wireless communication; and the blade to be controlled which performs a process in accordance with the first information that has been received.
US11239920B2 Diagnostic module, monitoring method, and storage medium
A microcomputer 202 is coupled to a SFP module 101 via control signal lines 112 to 114. The microcomputer 202 monitors control signals transmitted on the control signal lines 112 to 114, and acquires, based on the result of monitoring, the condition of the SFP module 101 from a ROM 151 at a timing when a protocol chip 102 is not accessing the SFP module 101.
US11239909B2 Dynamic error quantizer tuning systems and methods
Dynamic error-quantizer tuning systems and methods prevent misconvergence to local minima by using a dynamic quantizer circuit that controls reference voltages of three or more comparators that are independently adjusted to modify the transfer function of the dynamic quantizer circuit. A weighted sum of the comparator outputs is subtracted from the input to form an error signal in a control loop. The ratio of the reference voltages is chosen to reduce or eliminate local minima during a convergence of the control loop and is set to values that minimize a mean squared error signal with respect to discrete modulation states of the input after the convergence of the control loop is complete.
US11239904B2 Geolocation of radio frequency devices using spaceborne phased arrays
A communication system has a phased antenna array configured to communicate via a plurality of beams with a wireless device, such as user equipment (e.g., a smart phone). The plurality of beams define a field of view of the phased antenna array, the field of view having a plurality of cells and each of the plurality of beams is associated with one of the plurality of cells within the field of view. A processing device detects the wireless device within the field of view and determines a coarse geographic location of the wireless device within the field of view of the wireless device when the wireless device is within the field of view, or within a cell. The system further determines a fine geographic location for the wireless device based on frequency offset (due to Doppler) and signal flight time.
US11239902B2 Monitoring of radio relay apparatus using feeder link
A radio relay apparatus, which can monitor a status of a radio relay apparatus for realizing a three-dimensional network, without providing a dedicated line, is provided. The radio relay apparatus can fly and move in an upper airspace, and comprises a first antenna for transmitting and receiving a radio signal of a feeder link to and from a gateway station on a communication network side provided on the ground or on the sea, a second antenna for transmitting and receiving a radio signal of a service link to and from a terminal apparatus, a relay processing section for relaying the radio signal of the feeder link and the radio signal of the service link, which is provided between the first antenna and the second antenna, an information acquisition section for acquiring monitoring information on the status of the radio relay apparatus, and an information communication section for transmitting the monitoring information to the gateway station via the feeder link.
US11239901B2 Method and apparatus for cooperative wireless communications
Methods and apparatus are described. A wireless transmit/receive unit (WTRU) includes a transceiver and a processor operatively coupled to the transceiver. The transceiver and the processor establish a connection with a first wireless network node and a second wireless network node. The transceiver and the processor also receive power configurations and timing advances from the first wireless network node independently of the second wireless network node. The transceiver and the processor also simultaneously receive downlink signals from both the first wireless network node and the second wireless network node. The downlink signals are independently scheduled by a scheduler of the first wireless network node and a scheduler of the second wireless network node.
US11239900B2 Interference canceller and method for cancelling interference
Disclosed is an interference canceller capable of generating a cancellation signal for reducing cross port alien near-end (XPAN) crosstalk of a reception signal received by a receiver of a network device. The interference canceller includes: an oversampling circuit oversampling an XPAN transmission signal originated from a transmitter of the network device and thereby generating an oversampled signal having a frequency higher than the frequency of the receiver's clock; a clock difference calculating circuit calculating a clock difference between the transmitter's clock and the receiver's clock; a sample rate converter processing the oversampled signal according to the clock difference and thereby generating a conversion signal having a frequency lower than the frequency of the oversampled signal and equal to the frequency of the receiver's clock; and a cancelling circuit generating the cancellation signal according to the conversion signal and determining coefficients of the cancelling circuit according to an error signal.
US11239896B2 Beam sweeping method for multiple transmitting beams based on priori information
An electronic device and a communication method can provide multiple transmitting beams based on priori information. An electronic device for a first communication device side including: processing circuitry configured to: determine, based on priori information, a transmitting order for a plurality of transmitting beams of the first communication device in beam sweeping to be performed on a communication from the first communication device to a second communication device; and control to use the plurality of transmitting beams in the beam sweeping according to the determined transmitting order.
US11239892B2 Sector level sweep method and apparatus
A sector level sweep method and apparatus are provided. A local end generates a first sector sweep packet at the local end sector sweep stage, and the local end sends the first sector sweep packet to a peer end by using a first beam. A quantity of bytes of the first sector sweep packet is not greater than 27, the first sector sweep packet includes beam indication information of the first beam, the beam indication information includes antenna identification information of the beam, and a maximum quantity of antennas indicated by the antenna identification information is at least 8.
US11239891B2 UE cooperative reception and cooperative transmission for quality of service demanding applications
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a base station, a report indicating that a cooperative reception group including the UE and one or more other UEs connected to the UE over an out-of-band link supports one or more downlink transmit beamforming techniques. The UE may determine, based at least in part on the one or more downlink transmit beamforming techniques supported by the cooperative reception group, a downlink transmit precoder associated with relaxed beamforming nulling. The UE may decode a downlink transmission received from the base station based at least in part on the downlink transmit precoder and one or more decoded bits received from the one or more other UEs in the cooperative reception group. Numerous other aspects are provided.
US11239890B2 Wireless communication apparatus configured to perform beam sweeping operation and method of operating the same
A method of operating a wireless communication apparatus including an antenna array including a plurality of sub-arrays includes sweeping a receiving beam formed in each of the sub-arrays such that the receiving beam has a plurality of receiving beam patterns at a respective plurality of sweeping positions, and receiving a signal through the antenna array at each of the sweeping positions, generating base channel matrix information including channel matrices corresponding to the receiving beam patterns for each of the sub-arrays, based on the signal, performing a digital sweeping operation on at least one group combination, which is determined using the base channel matrix information, and generating supplemental channel matrix information, and selecting a receiving beam pattern of the antenna array using the base channel matrix information and the supplemental channel matrix information.
US11239887B2 Data transmission method and device
A data transmission method and a data transmission device are provided. The data transmission method includes steps of: determining, by a transmitting end, a first precoding matrix and a second precoding matrix, the first precoding matrix being selected from a predefined first codebook, the second precoding matrix being acquired on the basis of CSI; performing, by the transmitting end, precoding processing on a data stream in accordance with the first precoding matrix and the second precoding matrix; and transmitting, by the transmitting end, the data streamed acquired after the precoding processing to a receiving end.
US11239886B2 MIMO antenna module and MIMO antenna unit for distributed antenna system
MIMO antenna modules and antenna units for a wireless communication system are provided. In one embodiment, a remote unit comprises: a controller module, comprising: a first substrate having a first ground plane, control circuitry and interface circuitry on the first substrate, a first connection region formed in the first substrate; and at least one antenna module coupled to the controller module, the antenna module comprising: a second substrate having a second ground plane, antennas on the second substrate, a second connection region on the second substrate and coupled to the interface circuitry via the first connection region, wherein the second connection region communicates data between the interface circuitry and the antennas, and a set of ground-plane contacts on the second substrate that electrically couple the first ground plane to the second ground plane of the second substrate when the second connector region is engaged with the first connector region.
US11239885B2 Near field communication method and transceiver with clock recovery
A near field communication (NFC) transceiver includes a receiver, a transmitter, and a clock recovery circuit. The receiver is configured to recover a reception (RX) frame encoded with power supply information and information transmitted from a reader to a tag. The transmitter is configured to recover a transmission (TX) frame by a subcarrier load modulation scheme for information transmitted from the tag to the reader. The clock recovery circuit is configured to recover a carrier signal of the TX frame as a baseband clock signal of the NFC transceiver through a rail-to-rail boosting.
US11239880B2 DMRS transmission method and communications device
This application provides a Demodulation Reference Signal (DMRS) transmission method and a communications device. The method includes: determining, by a communications device, a current mode of a resource scheduling unit, where the current mode is a frequency hopping mode or an aggregation mode, and performing, by the communications device, DMRS mapping or demapping by using a DMRS pattern corresponding to the current mode, where a location of a symbol occupied by a DMRS in the DMRS pattern corresponding to the current mode is different from a location of a symbol occupied by a DMRS in a preset DMRS pattern. In embodiments of this application, a location of a symbol occupied by a DMRS can be flexibly selected depending on different modes. Therefore, requirements of the different modes can be satisfied in the embodiments of this application, thereby improving network performance.
US11239873B2 Front-end circuit and communication device
A front-end circuit includes: a power divider that performs power division on a radio frequency signal inputted to an input terminal, using a predetermined division ratio, and outputs resultant radio frequency signals from output terminals; a filter connected to one of the output terminals and having a first passband; and a filter connected to the other of the output terminals and having a second passband having a frequency range that at least overlaps a frequency range of the first passband.
US11239871B2 Optimization of automatic gain control for narrow bandwidth operation
The gain of an amplifier in a receiver operating in a cellular communication system is controlled by determining one or more gain variability metrics, which are then used to produce first and second threshold values. A frequency difference between a current carrier frequency and a target carrier frequency is ascertained and then compared to the threshold values. Target gain setting production is based on comparison results: If the frequency difference is larger than the first threshold, a first automatic gain control algorithm is performed; if the frequency difference is smaller than the first threshold and larger than the second threshold, a second automatic gain control algorithm is performed, wherein the second automatic gain control algorithm uses a current gain setting as a starting point; and if the frequency difference is smaller than both the first and second thresholds, the current gain setting is used as the target gain setting.
US11239870B2 Transmitter device and signal processing method
This application relates to the field of communications technologies and discloses a transmitter device and a signal processing method. m transmit antenna groups of the transmitter are configured to send m training signals under control of the processor. A target feedback antenna of the transmitter is configured to receive, under control of the processor, a first mixed signal obtained by superimposing the m training signals in space, where a phase difference between the first mixed signal and a second mixed signal obtained by superimposing in space the m training signals received by a receiver device falls within a preset range. A processor of the transmitter is configured to: perform DPD parameter estimation and pre-distortion processing on a to-be-sent signal. The m transmit antenna groups are further configured to send, under control of the processor, the to-be-sent signal on which pre-distortion processing has been performed.
US11239864B2 Techniques for improved erasure coding in distributed storage systems
A system and method for erasure coding. The method includes distributing a plurality of data chunks according to a mirroring scheme, wherein the plurality of data chunks is distributed as a plurality of rows among a plurality of non-volatile memory (NVM) nodes, wherein the mirroring scheme defines a plurality of groups, each group including a subset of the plurality of data chunks, wherein each data chunk in a group has a role corresponding to a relative position of the data chunk within the group, wherein data chunks included in the plurality of groups having the same relative positions within their respective groups have the same role, wherein each row of the plurality of rows includes at least one summation data chunk that is a function of at least one data chunk included in the row and of at least one extra data chunk included in at least one other row.
US11239861B2 Transmitter and parity permutation method thereof
A transmitter is provided. The transmitter includes: a Low Density Parity Check (LDPC) encoder configured to encode input bits to generate parity bits; a parity permutator configured to group-wise interleave a plurality of bit groups including the parity bits; and a puncturer configured to select some of the parity bits in the group-wise interleaved bit groups and puncture the selected parity bits, wherein the parity permutator group-wise interleaves the bit groups such that some of the bit groups at predetermined positions in the bit groups before the group-wise interleaving are positioned serially after the group-wise interleaving and a remainder of the bit groups before the group-wise interleaving are positioned without an order after the group-wise interleaving so that the puncturer selects parity bits included in the some of the bit groups sequentially and selects parity bits included in the remainder of the bit groups without an order.
US11239853B1 Hybrid analog-to-digital converter with multi-domain signal processing
An analog-to-digital converter includes a first converter stage, a second converter stage coupled to the first converter stage to quantize a residue signal of the first converter stage, and an inter-stage converter disposed between the first and second converter stages. The inter-stage converter is configured to convert between a first domain and a second domain. The inter-stage converter is configured to process the residue signal of the first converter stage such that a range of the residue signal matches a full scale of the second converter stage.
US11239852B2 Error compensation correction system and method for analog-to-digital converter with time interleaving structure
The present disclosure provides an error compensation correction system and method for an analog-to-digital converter with a time interleaving structure, the system includes an analog-to-digital converter with a time interleaving structure, a master clock module, a packet clock module, an error correction module, an adaptive processing module and an overall MUX circuit. Through the error compensation correction system and method for the analog-to-digital converter with a time interleaving structure according to the present disclosure, lower correction hardware implementation complexity and higher stability are ensured. The system and method according to the present disclosure are particularly suitable for interchannel mismatch error correction of dense channel time interleaving ADC, and the performance of the time interleaving ADC is improved.
US11239851B2 Gain correction for multi-bit successive-approximation register
A system has a digital-to-analog converter; a reference signal coupled to the digital-to-analog converter; a differential amplifier for applying gain, and for generating output signals as a function of sampled input signals, the reference signal, digital codes, and the gain applied by the differential amplifier coupled to the digital-to-analog converter; and a multi-bit successive-approximation register for determining the digital codes in successive stages coupled to the differential amplifier; and the gain applied by the differential amplifier is corrected based on previously determined digital codes.
US11239849B2 Locked loop circuit and method with multi-phase synchronization
A locked-loop circuit includes phase synchronization circuitry to synchronize a DCO clock phase to a reference clock phase. Sampling circuitry sequentially samples the reference clock with each of N sampling clocks having offset phases, a first one of the N sampling clocks comprising a master sampling clock. Edge detection logic accumulates phase information from the multiple sampling clocks and determines, based on the accumulated phase information, whether any of the sampling clocks other than the master sampling clock correspond to edge detection signals that occurred early with respect to a rising edge of the master sampling clock. Index logic generates index values for any of the determined early edge detection signals. The index logic transfers the generated index values to a master phase transfer logic unit. Phase adjust logic adjusts the master clock phase based on a selected one of the generated index values.
US11239847B2 Phase lock loop reference loss detection
In described examples, a first clock generator generates an output clock signal in response to an input reference signal and in response to a feedback signal that is generated in response to the output clock signal. A code generator generates a code in response to the input reference signal. A loss detector generates an indication of a loss of the input reference signal in response to the feedback signal and at least two codes generated by the code generator.
US11239839B2 Gate driver with VGTH and VCESAT measurement capability for the state of health monitor
In a power supply system, a high-side (HS) insulated-gate bipolar transistor (IGBT) has a first collector, a first gate, and a first emitter. A low-side (LS) IGBT has a second collector coupled to the first emitter, a second gate, and a second emitter. A gate drive circuit is coupled to the first gate of the HS IGBT and the second gate of the LS IGBT. A control circuit is coupled to the gate drive circuit. The control circuit is configured to control the gate drive circuit for biasing the HS IGBT to a HS saturation, and determine a HS degradation of the HS IGBT based on a HS digitized gate voltage of the HS IGBT in the HS saturation.
US11239830B2 Master-slave D flip-flop
A master-slave D flip-flop is disclosed having gates configured to supply two second intermediate signals as a function of first intermediate signals and a clock signal, and a slave circuit connected to a transfer circuit to form at least one output signal of the flip-flop from the second intermediate signals. The slave circuit is configured, when the second intermediate signals have, after a preceding pair of states, a predetermined pair of states, to maintain the at least one output signal as given by the preceding pair of states. The transfer circuit has a control input and is configured to generate the second intermediate signals to have the predetermined pair of states in response to a predetermined control signal state at the control input.
US11239827B2 Noise reducing receiver
Disclosed is receiver for a noise limited system. A front-end circuit amplifies and band-limits an incoming signal. The amplification increases the signal swing but introduces both thermal and flicker noise. A low-pass band limitation reduces the thermal noise component present at frequencies above what is necessary for correctly receiving the transmitted symbols. This band limited signal is provided to the integrator circuit. The output of the integrator is equalized to reduce the effects of inter-symbol interference and then sampled. The samples are used to apply low frequency equalization (i.e., in response to long and/or unbalanced strings of symbols) to mitigate the effects of DC wander caused by mismatches between the number of symbols of each kind being received.
US11239824B2 Tuning fork-type vibrator
A tuning fork-type vibration piece is provided, in which a cushioning portion is formed on the base of a package to make contact with abutting portions of arm portions which are any parts but their edges, and the abutting portions of the arm portions allowed to contact the cushioning portion are electrodeless regions including no electrode, which prevents the risk of frequency fluctuations that may occur in case an electrode is chipped off by possible contact with the cushioning portion.
US11239823B1 Quartz MEMS piezoelectric resonator for chipscale RF antennae
A RF antenna comprises a quartz resonator having electrodes disposed thereon with a magnetostrictive film disposed on the quartz resonator either on, partially under or adjacent at least one of the electrodes. A RF antenna having a magnetostrictive film may be made by patterning selected portions of a top surface of the quartz wafer for deposition of electrode metal and deposition of the magnetostrictive film and depositing the electrode metal and the magnetostrictive film; temporarily bonding the quartz wafer to a handle wafer; thinning the quartz wafer to a desired thickness; etching the quartz wafer to define the outlines of at least one quartz resonator bearing the electrode metal and the magnetostrictive film; patterning selected portions of a bottom surface the at least one quartz resonator for deposition of electrode metal and at least one bond pad and depositing the electrode metal and the at least one bond pad; bonding the at least one quartz resonator to a substrate wafer; and releasing the at least one quartz resonator from the handle wafer.
US11239822B2 Transversely-excited film bulk acoustic resonator using YX-cut lithium niobate for high power applications
Acoustic resonator devices, filters, and methods are disclosed. An acoustic resonator includes a substrate and a lithium niobate (LN) plate having front and back surfaces and a thickness ts. The back surface faces the substrate. A portion of the LN plate forms a diaphragm spanning a cavity in the substrate. An interdigital transducer (IDT) is on the front surface of the LN plate with interleaved fingers of the IDT on the diaphragm. The LN plate and the IDT are configured such that a radio frequency signal applied to the IDT excites a shear primary acoustic wave in the diaphragm. Euler angles of the LN plate are [0°, β, 0°], where 0≤β≤60°. A thickness of the interleaved fingers of the IDT is greater than or equal to 0.8 ts and less than or equal to 2.0 ts.
US11239810B2 Apparatus and method for automatic volume control with ambient noise compensation
An electronic device and method that automatically adjusts an audio output volume level based on a live environmental acoustic scenario input via a microphone using a machine learning algorithm trained with Human Activity Recognition (HAR). Equipped with such an intelligence the electronic device classifies ambient sounds occurring in the environment of the listening area in which the device is situated into different acoustic scenario mappings such a voice or conversation, for an ambient human conversation detected event, and noise, such as for example a vacuum cleaner or dish washer noise detected event, and automatically adjust the audio output volume accordingly.
US11239809B2 High-frequency power amplifier apparatus
A high-frequency power amplifier apparatus includes: a plurality of amplifiers that respectively amplify a plurality of distributed signals obtained by distributing a high-frequency signal of a predetermined frequency, the amplifiers respectively outputting a plurality of amplified signals; and a cavity-type high-frequency power combiner having a cavity surrounded by a conductor wall, the cavity-type high-frequency power combiner combining together power of the plurality of amplified signals in the cavity by operating in a TE011 resonance mode with a resonance frequency equal to the predetermined frequency.
US11239808B2 Feedback amplifier as an impedance modulator for a linear power amplifier
A power amplifier and power amplification circuit are described herein. An illustrative power amplifier is disclosed to include an input terminal, a drive amplifier connected to the input terminal, and an impedance modulator having a capacitance that is adjusted inversely and proportionately relative to a signal output by the drive amplifier, wherein the impedance modulator provides a feedback loop between an output of the drive amplifier and the input terminal.
US11239804B2 Systems and methods for controlling a power amplifier output
Techniques for controlling the output of a power amplifier are disclosed. In one embodiment, the techniques may be realized as a system that includes a power amplifier and a controller coupled to the power amplifier to form a feedback loop. The power amplifier is enabled or disabled in response to a blanking signal. The controller includes an accumulator that stores an accumulated error of the feedback loop. The controller suspends operation of the accumulator when (1) a level of the input signal is below a first threshold for an amount of time that exceeds a second threshold, (2) the blanking signal indicates that the power amplifier is disabled, or (3) both. The controller resumes operation of the accumulator when (1) the level of the input signal is above the first threshold and (2) the blanking signal indicates that the power amplifier is enabled.
US11239800B2 Power amplifier bias modulation for low bandwidth envelope tracking
Apparatus and methods for power amplifier bias modulation for low bandwidth envelope tracking are provided herein. In certain embodiments, an envelope tracking system includes a power amplifier that amplifies an RF signal and a low bandwidth envelope tracker that generates a power amplifier supply voltage for the power amplifier based on an envelope of the RF signal. The envelope tracking system further includes a bias modulation circuit that modulates a bias signal of the power amplifier based on a voltage level of the power amplifier supply voltage.
US11239798B2 Distribution mixer
A distributed mixer is configured of an artificial transmission line of which an input end is connected to an LO terminal and a terminal end is connected to an IF terminal, an artificial transmission line of which an input end is connected to an RF terminal, FETs that perform frequency synthesis of LO signals and RF signals and that are disposed following the artificial transmission lines and of which gates are connected to the artificial transmission line and sources are grounded, a bias circuit that applies gate bias voltage to a terminal end of the artificial transmission line, a terminating resistor that connects the terminal end of the artificial transmission line and a ground, and a plurality of transmission lines provided between the artificial transmission line and a drain of each FET.
US11239792B2 Deployable solar tracker system
The deployable solar tracker system comprises a single-axis solar tracker (1) including a plurality of foldable panel array sections (10, 10a). Each foldable panel array section (10, 10a) comprises a shaft section (11), a plurality of support ribs (12) hinged to the shaft section (11), a plurality of solar panels (13) attached to the support ribs (12) and a handling element (28) attached on top of the shaft section (11). The handling element (28) has one or more handle openings (29, 30) dimensioned for receiving one or more lift members oriented in a transversal direction perpendicular to the shaft section (11). The handle openings (29, 30) of the handling elements (28) of the plurality of the foldable panel array sections (10, 10a) are mutually aligned when the plurality of foldable panel array sections (10, 10a) are arranged in a shipping arrangement.
US11239791B2 Photovoltaic module having bi-directional couplings
A photovoltaic (PV) module having bi-directional couplings is described. The bi-directional couplings include a first coupling mounted on a support frame under a first edge of the PV module and a second coupling mounted on the support frame under a second edge of the PV module. The PV module can be a keystone module and the bi-directional couplings of the keystone module can connect to respective couplings of several adjacent PV modules. The bi-directional couplings can form male-to-female connections with the respective couplings to quickly combine the PV modules into a PV module assembly. The PV module assembly includes the bi-directionally connected PV modules supporting each other in both an x-direction and a y-direction.
US11239789B2 Floating photovoltaic power station and load-bearing system thereof
A floating photovoltaic power station and a load-bearing system thereof are provided according to the present application. The load-bearing system of the floating photovoltaic power station includes an aisle floating body providing buoyancy and forming a first operation and maintenance passage. The aisle floating body is provided with a fixing portion for fixedly connecting with a front side of a photovoltaic assembly, and one photovoltaic assembly is only fixedly connected to one aisle floating body located on the front side of the photovoltaic assembly. In the load-bearing system of the floating photovoltaic power station, the aisle floating body can support the photovoltaic assembly, and can provide buoyancy at the same time.
US11239788B2 Motor driving device, circuitry for controlling motor driving device, control method of motor driving device, and air conditioner
A motor driving device includes an inverter to supply an alternating current, a switch unit that switches the number of at least one permanent magnet synchronous motor to which the alternating current is supplied from the inverter, a detector to detect a detection value corresponding to the alternating current supplied to the at least one permanent magnet synchronous motor, and a control device to control the inverter and the switch unit. The control device sets an overcurrent interruption threshold value at a value based on the number. When the detection value is greater than or equal to the overcurrent interruption threshold value, the control device makes the inverter stop the supplying of the alternating current to the at least one permanent magnet synchronous motor.
US11239786B2 Motor control device
Provided is a motor control device that includes a controller outputting a PWM control signal for controlling a multiphase electric motor, a driving signal generator generating a switching element driving signal for driving the multiphase electric motor according to the PWM control signal output from the controller, and a bridge circuit configured of a plurality of semiconductor switching elements switching a current flowing through the multiphase electric motor according to the switching element driving signal generated by the driving signal generator. The controller is provided on a first board. The driving signal generator and the bridge circuit are provided on a second board and are connected by wiring provided on the second board. The first board and the second board are connected by a predetermined inter-board connecting line. The controller outputs the PWM control signal to the driving signal generator through the predetermined inter-board connecting line.
US11239785B2 Electric motor with integrated charger
A vehicle includes an electric machine with two sets of galvanically isolated windings, first and second inverters, a switching arrangement, and a controller. During charge, the controller operates the switching arrangement to isolate the first inverter from the electric machine to permit charge current to flow through one of the sets and induce a voltage in the other of the sets. During propulsion, the controller operates the switching arrangement to couple the first inverter with the one of the sets such that the first and second inverters are configured to only power one of the sets.
US11239781B2 Motor driving circuit and motor driving device
A motor driving circuit includes a wiring pattern formed in a circuit board, which is configured such that electrical current flowing into a motor flows through the wiring pattern; and a current measurement circuit configured to measure an amount of electrical current flowing through the wiring pattern, based on an amount of voltage drop occurring in response to flowing of the electrical current. The motor driving circuit includes a drive unit configured to adjust a current measurement value measured by the current measurement circuit, based on first adjustment data that compensates for variation in resistance of the wiring pattern caused by an individual difference in the circuit board, and to drive the motor based on an adjusted current value which is the adjusted current measurement value.
US11239778B2 Stabilization of hydraulic machines with S-zone characteristics
This method for stabilizing the rotation speed of a hydraulic machine having S-characteristic and comprising a distributor (9) is adapted to modify a water flow, so that the machine can be coupled to a grid. The method comprises the steps of calculating an orientation of the distributor (9); and orienting the distributor according to the calculated orientation. The method further comprises the steps of providing an electric torque to the machine so as to reach a target speed.
US11239777B2 Circuit and method for frequency tuning of a vibrational energy harvester
The present disclosure relates to a method of tuning an electric charge extraction circuit of a vibrational energy harvester having a mechanical resonator, the method comprising varying, during a first phase, first and second parameters (ψ1,ψ2) of the electric charge extraction circuit based on detected harvested power (PHARVEST), each of the first and second parameters (ψ1,ψ2) influencing the amount of damping of the mechanical resonator and at least the first parameter (ψ1) influencing the resonance frequency of the mechanical resonator, wherein the first and second parameters (ψ1,ψ2) are varied during the first phase such that the amount of damping remains constant or varies by less than a first significant amount and the resonance frequency reaches a final level.
US11239776B2 Motor controller having low standby power consumption
A motor controller having low standby power consumption is provided. The motor controller includes a direct current (DC) bus. The motor controller also includes a low-power supply. The motor controller also includes an inverter configured to control a supply of current to stator windings of a motor. The motor controller also includes a switch circuit coupled between the DC bus and the low-power supply. The motor controller also includes a switch controller coupled to the switch circuit and configured to be coupled to a system controller. The switch controller is configured to control the switch circuit to electrically decouple, in response to detecting an absence of a control signal from the system controller, the DC bus from the low-power supply.
US11239774B2 Power wand and method of use
Various embodiments of a power wand are provided. The power wand may be utilized with an awning assembly including a motor to power and direct rotation of the motor. Therefore, the power wand will electrically drive and direct extension and retraction of the awning assembly. The power wand may be a portable hand-held device which provides battery powered operation of the awning motor. The use of the wand therefore eliminates the connection of awning wiring to the electrical system of the recreational vehicle (RV) or other mobile or fixed structure to which the awning may be mounted.
US11239770B2 Motor with regenerative braking resistor
There is provided an electric motor comprising a rotor, a stator and a motor controller. The stator comprises a substantially cylindrical body, a plurality of teeth extending from the substantially cylindrical body in a radial direction, one or more first sets of electrical windings that are wound around said teeth and configured to drive the rotor, and one or more second sets of electrical windings electrically separate from the first set of electrical windings. The second set of electrical windings on the stator are electrically connected to the motor controller such that energy produced by the electric motor during a regenerative mode of operation in use is diverted to the second set of electrical windings on the stator for dissipating the energy produced in the regenerative mode.
US11239769B2 Thyristor starter
A thyristor starter accelerates a synchronous machine from a stop state to a predetermined rotation speed by sequentially performing a first mode of performing commutation of an inverter by intermittently setting DC output current to zero and a second mode of performing commutation of the inverter by induced voltage of the synchronous machine. A second controller controls the firing phase of a thyristor in a converter such that DC output current of the converter matches a current command value, based on a detection signal of a position detector. In the first mode, the current command value is set such that the current value is higher as the rotation speed of the synchronous machine is higher.
US11239767B1 Inverter system, method for controlling inverter system, and parallel inverter system
An inverter system, including a pre-conversion circuit, a post-conversion circuit, and a control circuit; the pre-conversion circuit is configured to convert a voltage of a power supply into a DC voltage and output the DC voltage to the post-conversion circuit; a voltage between the pre-conversion circuit and the post-conversion circuit is a DC bus voltage; the post-conversion circuit is configured to output an alternating current; the control circuit is configured to detect a DC component of an output terminal of the post-conversion circuit, calculate a difference value of a zero value and the DC component to obtain a DC component deviation value, and perform PI adjustment on the DC component deviation value to obtain a voltage compensation value; the voltage compensation value is used to adjust the DC bus voltage.
US11239766B2 Flying capacitor circuit, circuit module and power conversion apparatus
If current path is switched via switching, voltage overshoot exceeding the device breakdown voltage may be generated. A flying capacitor circuit is provided, having a plurality of switching devices cascade-connected on a first surface of a substrate; a plurality of rectifier devices cascade-connected on a second surface of the substrate; and at least one capacitor provided in a wiring connecting main terminals of a switching device and a rectifier device that are associated with each other and included in the plurality of switching devices and the plurality of rectifier devices; and at least part of the wiring runs sandwiching the substrate in parallel.
US11239764B2 Voltage-source converter control system
A voltage-source converter, VSC, control system including an active damper, AD, a direct-voltage controller, DVC, and an alternating-voltage controller, AVC. The VSC control system is configured to control a VSC. The AVC is configured to regulate, using an integrator, an ac-bus voltage of the VSC by calculating a q component of a current reference vector for the VSC. The DVC is configured to regulate, using an integrator, a dc-bus voltage of the VSC by calculating a d component of the current reference vector. The AD is configured to amplify a vectoral difference between the ac-bus voltage and a corresponding reference, and to add the q component of the amplified vectoral difference to the q component of the current reference vector and to an input of the integrator of the AVC.
US11239757B2 Power conversion apparatus, and power supply apparatus
There is provided a power conversion apparatus including: a first power supply terminal and a second power supply terminal which are paired with each other; a third power supply terminal and a fourth power supply terminal which are paired with each other; 1st to nth switches sequentially connected between the first power supply terminal and the fourth power supply terminal; 1st to nth rectifier devices sequentially connected between the first power supply terminal and the third power supply terminal; and each of 1st to (n−1)th capacitors which is physically disposed and electrically connected between an Nth terminal between an Nth switch and a (N+1)th switch, and an Nth terminal between an Nth rectifier device and a (N+1)th rectifier device, in which the 1st to nth switches are disposed to be physically aligned with the 1st to nth rectifier devices, respectively.
US11239755B2 Power management systems including a plurality of converters for providing dual integrated multi-mode power management
A power management device is disclosed, including a first DC-DC converter coupled to a first output voltage line, a second DC-DC converter coupled to a second output voltage line, a first set of switches associated with the first DC-DC converter, and a second set of switches associated with the second DC-DC converter. The power management device may further include a controller configured to toggle one or more switches of the first set of switches and one or more switches of the second set of switches, and a multi-mode radio-frequency front-end block communicatively coupled to the controller.
US11239754B2 Bidirectional power converter, electric vehicle, and control method for bidirectional power converter
A bidirectional power converter includes a first terminal, a second terminal, a main reactor, a plurality of sub-circuits and a controller. The sub-circuits each include an upper switching element, a lower switching element, two diodes, and a sub-reactor. The controller sequentially controls the sub-circuits such that: the lower switching element is turned on and turned off and then the upper switching element is turned on and turned off in each of the sub-circuits, while a current is flowing from the first terminal toward the second terminal; and the upper switching element is turned on and turned off and then, the lower switching element is turned on and turned off in each of the sub-circuits, while the current is flowing from the second terminal toward the first terminal.
US11239752B2 Adjusting peak inductor current to limit supply input current
A method may include monitoring an input power supply, monitoring an inductance of an inductor of a boost converter, monitoring one or more other characteristics of the boost converter, and calculating a target peak inductor current based on the input power supply voltage, the inductance, the one or more other characteristics of the boost converter, and a target average current of the inductor during a switching cycle of the boost converter. A method may include monitoring an input power supply voltage, monitoring an inductance of an inductor of a boost converter, monitoring one or more other characteristics of the boost converter, and calculating an average current of the inductor during a switching cycle of the boost converter based on the input power supply voltage, the inductance, the one or more other characteristics of the boost converter, and a peak inductor current of the inductor.
US11239748B2 Water area apparatus
A water area apparatus according to one aspect of embodiments includes: a first device; a second device whose power consumption is smaller than that of the first device; a Power Factor Correction (PFC) circuit that is connected to an Alternating-Current power supply, reduces harmonic current, and steps up a voltage to output the stepped-up voltage; and a regulator that is connected to the PFC circuit and steps down a voltage to obtain a constant voltage, wherein the voltage stepped up by the PFC circuit is applied to the first device, and the voltage stepped down by the regulator is applied to the second device.
US11239747B2 Current sensing apparatus in power factor correction circuits and related methods
Current sensing apparatus in power factor correction circuits and related methods are disclosed. An example power factor correction circuit includes a first Gallium Nitride (GaN) transistor having a first current terminal and a second current terminal, a second GaN transistor having a third current terminal and a fourth current terminal, a first diode having a first anode, a second diode having a second anode, the second anode coupled to the first anode, and a resistor having a first terminal and a second terminal, the first terminal coupled to the second current terminal and the fourth current terminal, the second terminal coupled to the first anode and the second anode.
US11239745B2 Power converter including a recirculating snubber
A power converter includes a first rectifier circuit having a pair of first rectifier circuit output terminals and a second rectifier circuit having a pair of second rectifier circuit output terminals, a snubber circuit comprising a first diode and a first capacitor connected to each other at a first node and connecting the pair of first rectifier circuit output terminals, a second diode and a second capacitor connected to each other at a second node and connecting the pair of second rectifier circuit output terminals, a third diode connecting the first node to one of the pair of second rectifier output terminals, and a fourth diode connecting the second node to one of the pair of first rectifier output terminals.
US11239743B2 Switching mode power supply providing an over current protection with anti-surge function
A switching mode power supply preventing false triggering of an over current protection due to a surge pulse. The switching mode power supply has a switch and an inductor. An inductor current flows through the inductor. The switching mode power supply turns off the switch and meanwhile starts timing for a preset period of time when the inductor current is larger than a preset value. The switch is kept off during the preset period of time and is then turned on when the preset period of time expires.
US11239742B2 Load control device having an overcurrent protection circuit
A load control device for controlling power delivered from an alternating-current power source to an electrical load may comprise a controllably conductive device, a control circuit, and an overcurrent protection circuit that is configured to be disabled when the controllably conductive device is non-conductive. The control circuit may be configured to control the controllably conductive device to be non-conductive at the beginning of each half-cycle of the AC power source and to render the controllably conductive device conductive at a firing time during each half-cycle (e.g., using a forward phase-control dimming technique). The overcurrent protection circuit may be configured to render the controllably conductive device non-conductive in the event of an overcurrent condition in the controllably conductive device. The overcurrent protection circuit may be disabled when the controllably conductive device is non-conductive and enabled after the firing time when the controllably conductive device is rendered conductive during each half-cycle.
US11239741B2 Semiconductor switch control circuit and switching power source device
A semiconductor switch control circuit includes: a pulse signal generating part configured to generate a pulse signal which becomes a time reference for performing an ON/OFF control of a semiconductor switch; a drive current generating part configured to generate a drive current based on the pulse signal which the pulse signal generating part generates and to supply the drive current to a gate electrode of the semiconductor switch; a current detecting part configured to detect a drain current or a source current of the semiconductor switch; and a drive current control part configured to have a function of controlling a drive current which the drive current generating part generates based on the pulse signal which the pulse signal generating part generates and the current which the current detecting part detects.
US11239739B2 Power fetching system for no neutral switch and control method thereof, no neutral switch
The present invention relates to a power fetching system for a no neutral switch and a control method thereof, and a no neutral switch, wherein the power fetching system is connected to an electrical device and a wireless controller, and the wireless controller controls a switch module for changing an operating state of the electrical device. The power fetching system includes: a power fetching module, connected between a power source and the wireless controller, the power source supplying power to the wireless controller and the electrical device, where the power fetching module is configured to obtain power from the power source and supply the obtained power to the wireless controller during energization of the electrical device; and a control module, connected to the power fetching module, and configured to detect power consumption of the wireless controller and provide a control signal to the power fetching module according to a change in power consumption of the wireless controller to adjust the power obtained by the power fetching module from the power source.
US11239738B2 Variable-speed magnetic coupling having radially movable magnet
A variable-speed magnetic coupling having a radially movable magnet, comprising a drive disc assembly (I), a driven disc assembly (II), and a speed adjusting device assembly (III). Relative rotation of a speed adjustment sleeve (15) with respect to a drive shaft (16) is achieved by means of contact and fitting of a cylindrical pin (20) with respect to a vertical recess on an inner wall of the drive shaft and to an inclined recess on an inner wall of the speed adjustment sleeve. The speed adjustment sleeve is connected to a circular slotted disc (18) by means of a screw. A permanent magnet (10) is attached to a permanent magnet bearer (9) and inserted into a rectangular through hole of a circular frame (13), and a radial movement of the permanent magnet is enabled by means of a cam and groove sliding block mechanism consisting of the circular slotted disc, the circular frame, the permanent magnet bearer, and the permanent magnet. By moving a movement block (21) to drive the movement pin (20) to slide in the recesses of the drive shaft and the speed adjustment sleeve and then drive the speed adjustment sleeve to rotate, the present invention enables a radial movement of the permanent magnet, and then changes a coupling area or an air gap distance between the permanent magnet and conductive rings (8, 11) on two sides, thus changing a magnetic flux density of the air gap, and accordingly enabling speed adjustment.
US11239736B1 Linear electromagnetic actuator
An electromagnetic inertial force generator provides a linear output with improved compactness and reliability because it has no radial gaps and only one pair of axial gaps. Radial permanent magnet rings are directly in contact with inner and outer flux cylinders to provide magnetic bias. The magnetic bias flux flows across two axial air gaps to a supporting flux return structure. A current conducting coil drives magnetic flux across the same axial air gaps. The magnetic bias flux is in opposite directions across the two air gaps, while the coil flux across the two gaps is in the same direction. The combination of bias flux and coil flux cancels in one gap and adds in the other gap, producing a net force on an inertial mass and an equal and opposite force on the supporting structure. The resulting force is linear with current through the drive coil.
US11239735B2 Motor unit and motor unit manufacturing method
A motor unit includes: a first rotating electric machine which includes a cylindrical first stator, a first rotor disposed coaxially with the first stator, a first shaft disposed coaxially with the first rotor, and a cylindrical first casing accommodating the first stator and the first rotor; a second rotating electric machine which includes a cylindrical second stator, a second rotor disposed coaxially with the second stator, a second shaft disposed coaxially with the second rotor, and a cylindrical second casing accommodating the second stator and the second rotor; a single drive device which is integrally fixed across a peripheral surface in a diameter direction of the first rotor in the first casing and a peripheral surface in a diameter direction of the second rotor in the second casing; and a surface-matching fixing portion which is fixed by a fixing member while an axial end surface of the first casing comes into contact with an axial end surface of the second casing.
US11239732B2 Fixed gap capacitive power transfer coupling for wound field synchronous machines
An electrical rotating machine, such as a generator or motor, communicates power from a stationary location to the rotating rotor of the rotating machine via opposed pairs of capacitor plates, one plate of each pair rotating with the rotor and one plate of each pair fixed not to rotate. Larger plate gaps suitable for mechanically rigid plates are possible through high-voltage and high-frequency AC signals managed by using a dielectric support design for the capacitor plates minimizing dielectric loss and/or impedance matching on the rotor.
US11239730B2 Rotating device
A rotating device according to the present invention includes a motor including an outer shell, a rotating shaft protruding from the outer shell, a first inner bearing supporting the rotating shaft, and a second inner bearing supporting the rotating shaft, a plurality of gears configured to transmit rotation of the motor to an external device, and a casing. A first outer bearing and a second outer bearing are arranged at the casing, and the first outer bearing and the second outer bearing rotatably support portions of the rotating shaft protruding from end surfaces at both sides of the outer shell in a longitudinal direction of the rotating shaft.
US11239728B2 Methods for assessing presence of electrical, electronic, and/or mechanical faults in electromechanical linear actuators
An electromechanical linear actuator may include: a containment structure; first and second lead nuts; two electric motors operably connected to rotate the lead nuts; a shaft inserted in the lead nuts; and coupling means with an intermediate coupling stage configured to mechanically couple the lead nuts with the shaft. A method of assessing fault in an electromechanical linear actuator may include: actuating the electric motors to drive the lead nuts in a same direction of rotation or in opposite directions of rotation; during the actuating of the electric motors, checking whether or not the shaft translates relative to the containment structure; checking for mechanical failure of the intermediate coupling stage with either lead nut, to actuate the electric motors in the same direction of rotation; and checking for mechanical failure of the shaft with the intermediate coupling stage, to actuate the electric motors in the opposite directions of rotation.
US11239726B2 Shaft structure with adjustment portions for alignment with rotor center of gravity
The embodiments of the present disclosure provide a shaft structure of a motor, comprising a housing, a stator disposed inside the housing, and a rotor rotatably disposed inside the stator. The stator may comprise a stator core and a coil wound around the stator core, and the rotor may comprise a rotor core and a rotational shaft coupled to the rotor core. The rotational shaft may comprise a plurality of adjusting portions formed on an outer circumferential surface of the rotational shaft to align a center of gravity of the rotor with a center of the rotational shaft.
US11239725B2 Drive apparatus
An electric motor includes: a stator; windings wound around the stator; a rotor configured to rotate relative to the stator; a shaft; and a motor case. The shaft is configured to rotate integrally with the rotor, and one end portion of the shaft is coupled to a speed reducing gear device. The motor case includes a tubular portion and a bottom portion, and an opposite side of the tubular portion, which is opposite to the bottom portion, opens. A large diameter portion is formed at an outer periphery of the bottom portion of the motor case and has an outer diameter, which is larger than an outer diameter of a stator fixation location of the motor case, to which the stator is fixed, while the large diameter portion is formed continuously with a contact surface of the bottom portion that is configured to contact a gear housing.
US11239724B2 Motor assembly
A motor assembly includes a motor, a housing that houses the motor, an inverter that is electrically connected to the motor, an inverter case that houses the inverter and is provided integrally with the housing, a wire harness electrically connected between a connector of the inverter case and a connector of the housing, a cooling water hose connecting between a hose nipple of the inverter case and a hose nipple of the housing, and a retainer to fix the wire harness and the cooling water hose in a bundled state to the housing. The housing includes an axle connecting portion to which an axle of a vehicle is connected, and the wire harness is farther away from the axle than the cooling water hose at a position facing the axle.
US11239720B2 Winding for an electrical machine
Winding for an electrical machine having an inductor with pole pitch τp, having a plurality of groups of turns intercepting a fraction of a magnetic field, each group comprising a first subgroup of turns and a second subgroup of turns of same phase at a distance equal to τp, the turns of the first subgroup being connected in such a way that a current may flow in same direction in all turns of said subgroup, the turns of the second subgroup being connected in such a way that a current may flow in same direction in all turns of said subgroup, a turn of the first subgroup being connected to a turn of the second subgroup in such a way that the direction of said current in the first group is opposite to the direction of the current in the second subgroup.
US11239717B2 AC machine windings
Various examples related to shifted fractional pitch wye-delta multilayer windings and their use in AC machines. In one example, a winding includes a first wye-delta winding with first wye and delta windings for each phase and a second wye-delta winding with second wye and delta windings for each phase. The first and second wye windings for each phase are connected in series and the first and second delta windings are connected in series, and formed wye and delta windings are connected in a wye-delta configuration thereby providing an electrical phase shift between the two windings. The windings are interdigitated to provide a physical shift between the first and second wye windings and the first and second delta windings. Such windings can be used in, e.g., permanent magnet synchronous machines, synchronous machines, reluctance machines, and induction machines.
US11239715B2 Electromagnetic device
In an electric motor, three-phase coils are provided to an armature disposed between an outside field system and an inside field system, and Halbach arrays are employed in the outside field system and the inside field system. Each of the Halbach arrays is divided by a number of divisions that is any number computed by adding two to a multiple of three. Permanent magnets are arrayed such that their magnetization directions are changed in sequence by steps of an angle computed by dividing one cycle's worth of electric angle by the number of divisions. Torque ripple is thereby suppressed in the electric motor.
US11239714B2 Rotating electrical machine
In an IPM motor, since a first portion which is a pressed powder compact made of soft magnetic powder and has a lower magnetic permeability and a lower saturation magnetic flux density than those of a main body portion made of a laminated steel sheet is replaced and disposed in the vicinity of an inner arc side portion of a right end portion of a permanent magnet, local demagnetization is prevented.
US11239709B2 Operating frequency based power level altering in extended range wireless power transmitters
A power transmitter for wireless power transfer includes a control and communications unit configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver and including a pulse width modulation (PWM) signal generator for determining and selecting the operating frequency from the operating frequency range. The power transmitter further includes an inverter circuit configured to receive a direct current (DC) power and convert the input power to a power signal, coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including at least one layer, the coil defining, at least, a top face, and a shielding comprising a ferrite core and defining a cavity, the cavity configured such that the ferrite core substantially surrounds all but the top face of the coil.
US11239708B2 In-band communication during wireless battery charging
Described herein is an apparatus having a wireless power receiver comprising a receiver coil used to receive power wirelessly and to communicate wirelessly. The wireless power receiver outputs power to a bus based on the wirelessly received power. The apparatus has an open-loop DC-DC converter and a linear regulator. The apparatus has a controller configured to enable the open-loop DC-DC converter to use the power on the bus to charge a battery. The controller is further configured to control the linear regulator to stabilize a current in the bus at the output of the wireless power receiver to reduce interference to the wireless communication when using the receiver coil to wirelessly communicate from the wireless power receiver to the transmitter of the power while the open-loop DC-DC converter is being used to charge the battery.
US11239703B1 Systems and methods for receiver beaconing in wireless power systems
A wireless power transmission system includes a transmitter antenna, an amplifier, and a transmitter controller. The transmitter antenna is configured to transmit wireless power signals and wireless data signals. The amplifier is configured to receive a driving signal at a gate of the at least one transistor and invert a direct power (DC) input power signal to generate the AC wireless signal at the operating frequency. The transmitter controller is configured to configure the driving signal based, at least, on an operating frequency and an initial beaconing process, the initial beaconing process for determining presence of a wireless receiver system at a coupling between the transmitter antenna and a receiver antenna of the wireless receiver system, determine amplifier voltage instructions for the amplifier based on the initial beaconing process, and drive the amplifier by providing the driving signal and the amplifier voltage instructions to the amplifier.
US11239702B2 Refrigerator
Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.
US11239701B2 Resonant power transfer systems having efficiency optimization based on receiver impedance
The present disclosure provides systems and methods for controlling wireless power transfer systems. A wireless power transfer system includes a transmitter driven by a power source and a transmit controller, wherein the transmitter is configured to control delivery of wireless power, and a receiver inductively coupled to the transmitter, the receiver configured to receive the wireless power from the transmitter and deliver the received wireless power to a load. The receiver includes receiver electronics configured to determine a Thevenin equivalent impedance of the wireless power transfer system, determine a Thevenin equivalent source voltage of the wireless power transfer system, and control, based on the determined Thevenin equivalent impedance and the determined Thevenin equivalent source voltage, an ideal source voltage of the receiver to vary the amount of the wireless power transferred from the transmitter to the receiver.
US11239695B2 Wireless power system with device priority
A wireless power system may have a wireless power transmitting device and wireless power receiving devices. The wireless power transmitting device has wireless power transmitting circuitry with coils to transmit wireless power to wireless power receiving devices. The wireless power receiving devices are placed on the wireless power transmitting device in an order. Batteries in the wireless power receiving devices are charged based at least partly on the order. Power allocation is based on utilization factor information such as information on a power draw associated with each of the power receiving devices. Measurement circuitry in the wireless power transmitting device is used to gather impedance images from the coils. Changes in the impedance images are used to temporarily halt power transmission. Power transmission is resumed depending on whether in-band communications are lost or are maintained.
US11239684B2 Electronic device and control method
An electronic device includes a first connection unit, a second connection unit, and a control unit. The control unit determines whether a first external device is connected to the first connection unit, and controls the electronic device to prevent charging of a battery connected to the first external device with power supplied from a second external device connected to the second connection unit, in a case where the first external device is connected to the first connection unit.
US11239679B2 Battery pack with charging control
A battery pack (2000) includes a battery (2020), a contact-type switch (2040), a control unit (2060), and a sensor (2080). The battery pack (2000) is connected to a charger (10) through an electric power line (30). The battery (2020) is charged with a charging current supplied from the charger (10). The battery pack (2000) is connected to a load (20) through an electric power line (40). The contact-type switch (2040) is provided between the charger (10) and the battery (2020). The control unit (2060) turns off the contact-type switch (2040) in a case where a value detected by the sensor (2080) is equal to or smaller than a reference value decided based on specifications of the contact-type switch (2040).
US11239678B2 Low-cost task specific device scheduling system
A low-cost task specific device system for scheduling tasks that are performed by one or more devices is described. After a preceding task is performed, the performance of a successive task is delayed for a task-specific recharge interval associated with the preceding task. The successive task is performed after the task-specific recharge interval has expired.
US11239665B2 Grid-edge controllers for uninterruptible power supplies and methods of operating the same
A system includes an uninterruptible power supply (UPS) configured to selectively provide power to a critical load from a grid and an energy storage device, and a grid edge controller configured to communicate with a controller of the UPS and to cause the UPS to operate the energy storage as a distributed energy resource (DER) for the grid while preserving autonomous operation of the UPS to serve the critical load. The grid edge controller may be configured, for example, to maintain a critical reserve in the energy storage device that enables the UPS to maintain the critical load, while allowing the energy storage device to also be used for demand management, frequency regulation and other grid-oriented tasks. The grid edge controller may be configured to control the UPS, for example, via an application programming interface (API) of the controller of the UPS.
US11239662B2 Method for feeding electrical power into an electrical supply network
A method for feeding electrical power into an electrical supply network by means of at least one wind power installation having a power control and a generator, comprising the steps of: creating an electrical power gradient for an electrical power to be generated by the wind power installation wherein the power gradient at least: is limited by means of a stabilization operator or is created by means of a prediction operator in such a way that the electrical power gradient is unequal to a predicted wind power gradient, adjusting the created electrical power gradient in the power control of the wind power installation, generating an electrical power by means of the wind power installation depending on the created electrical power gradient for a feed-in time period with a feed-in time.
US11239656B2 Methods and apparatus for current sensing and current limiting
Methods, apparatus, systems and articles of manufacture are disclosed for current sensing and current limiting. An example apparatus includes a first main transistor including a first main transistor gate terminal coupled between an output terminal and an intermediate node; a second main transistor including a second main transistor gate terminal coupled between the intermediate node and a ground terminal; a first amplifier including a first amplifier output coupled to the first main transistor gate terminal; a second amplifier including a second amplifier output coupled to the second main transistor gate terminal; and a third amplifier including a third amplifier inverting input coupled to the intermediate node, a third amplifier non-inverting input coupled to a sense transistor, and a third amplifier output coupled to a third gate terminal of a third transistor.
US11239655B2 Liquid arc voltage transfer based direct current breaker and use method thereof
The disclosure discloses a liquid arc voltage transfer based direct current breaker and a use method thereof. The direct current breaker includes a first connection terminal, a second connection terminal, a main current branch, a transfer branch and an energy dissipation branch. The main current branch is connected between the first connection terminal and the second connection terminal, and the main current branch includes a liquid break. The transfer branch is connected between the first connection terminal and the second connection terminal and is connected in parallel with the main current branch. The energy dissipation branch is connected between the first connection terminal and the second connection terminal and is connected in parallel with the main current branch and the transfer branch.
US11239654B1 Surge protection device for complex transients
A three-stage surge protection device protects against complex, time-variant voltage transients, including those resulting from a high-altitude nuclear electromagnetic pulse or a solar coronal mass ejection. The device relies on interaction between a snubbing low-pass filter, a transient voltage suppressor, and an electronic crowbar circuit. The low-pass filter significantly lowers the let-through voltage of the device for short-duration pulses, and helps to spread the energy to more effectively utilize the transient voltage suppressor. The transient voltage suppressor limits the let-through voltage to a clamping level and provides indication to the crowbar circuit when it is no longer able to do so. Once the clamping level is no longer able to be maintained, the crowbar circuit draws enough current to trip an upstream protective device, such as a breaker or fuse.
US11239647B2 System for coupling accessories and/or components
A baseplate is attachable to a structure in the vicinity of an electrical power source. Optionally, the baseplate may be shaped so that when attached to the structure, the baseplate lies on at least one edge of an opening. The baseplate may have a plurality of connection points for connecting accessories. In different embodiments, the baseplate or faceplate system (which may be modular) attaches to a junction box, and/or may be installed in an opening for a light switch and/or outlet. Optionally, accessories and/or other electrical components may communicate with one another via the baseplate. Optionally, accessories and/or other electrical components may share power with one another, via the baseplate. Optionally, the accessories, the baseplate and/or other electrical components may communicate with a remote device.
US11239645B2 Cable hang-off arrangement
Provided is a cable hang-off arrangement configured for mounting at the level of an elevated platform of an offshore facility and includes a pipe configured to accommodate a number of protective tubes, wherein a protective tube is configured to accommodate a transmission cable of the offshore facility; a tube end flange arranged around an end portion of each protective tube; and a hang-off terminator configured for mounting at an end of the pipe, which hang-off terminator includes an end-plate with a number of apertures for the transmission cables, and a flange connection interface for connecting to the tube end flanges. An offshore facility, and a method of securing a transmission cable arrangement at the level of an elevated platform of an offshore facility are also provided.
US11239643B1 Recessed floorbox kit with keystone holder
A kit for recessed mounting of one or more electrical components within an electrical floor box. The kit includes a leveling ring for mounting an electrical component within the floor box, a funnel with a keystone opening therein, a trim ring with a recessed surface, a cover, and an optional divider for dividing the electrical floor box into high and low voltage compartments. A keystone opening on the funnel provides access to a low voltage holder. The low voltage holder includes a pocket to accommodate snap-in mounting of a low voltage component therein. The leveling ring enables leveling the electrical component with the floor surface. Fasteners secure the trim ring to the funnel and the leveling ring. Securing the cover to the recessed surface of the trim ring provides a recessed floor box assembly with the cover recessed below the floor surface.
US11239642B2 Wallbox installation tool
As described herein, a wall box installation tool may include a template body, one or more hollow pegs, a guide ring, and/or one or more template cards. The template cards may be configured to be installed on a front surface of the template body. A template card may define a plurality of holes therethrough. The guide ring may be configured to be installed within a pre-drilled hole in a wall. Each template card may be associated with a respective electrical device configuration. A subset of bores extending through the hollow pegs may be accessible via the template card when the template card is installed on the front surface of the template body. The wall box installation tool may include one or more fasteners that are configured to install a template card onto the front surface of the template body.
US11239638B2 Emitter oxidation uniformity within a wafer
A wafer may comprise a substrate layer and a plurality of vertical cavity surface emitting lasers (VCSELs) formed on or within the substrate layer. A respective trench-to-trench distance associated with the plurality of VCSELs may vary across the wafer based on a predicted variation of an oxidation rate of an oxidation layer across the wafer.
US11239637B2 Fiber delivered laser induced white light system
The present disclosure provides an apparatus for generating fiber delivered laser-induced white light. The apparatus includes a package case enclosing a board member with an electrical connector through a cover member and a laser module configured to the board member inside the package case. The laser module comprises a support member, at least one laser diode device configured to emit a laser light of a first wavelength, a set of optics to guide the laser light towards an output port. Additionally, the apparatus includes a fiber assembly configured to receive the laser light from the output port for further delivering to a light head member disposed in a remote destination. A phosphor material disposed in the light head member receives the laser light exited from the fiber assembly to induce a phosphor emission of a second wavelength for producing a white light emission substantially reflected therefrom for various applications.
US11239636B2 Buried type semiconductor optical device and manufacturing method therefor
A buried typed semiconductor optical device includes a semiconductor substrate having a pair of grooves extending in a first direction. An upper surface of a buried layer has a first region that is adjacent to a mesa stripe structure, overlaps with a corresponding one of the pair of grooves, is inclined so as to be higher in a second direction from the mesa stripe structure, and on which a passivation film is not formed. The upper surface of the buried layer has a second region that does not overlap with any of the pair of grooves, is flat, and is higher than a lower end of the first region, and on which the passivation film is formed. The upper surface of the buried layer has a connection region between the first region and the second region at a same height as the second region.
US11239635B2 MEMS/NEMS integrated broken racetrack tunable laser diode
According to an aspect, an optical system includes a laser diode configured to emit optical signals and at least two size-switchable broken racetrack ring resonators optically coupled to an optical waveguide, where each broken racetrack ring resonator is configured to exhibit a resonant wavelength. The optical system also includes a tuning arrangement associated with the broken racetrack ring resonators, where the tuning arrangement includes a micro electro-mechanical system (MEMS) or nano electro-mechanical system (NEMS) actuator mechanically coupled to a first portion of a first one of the broken racetrack ring resonators and configured to mechanically move the first portion so as to change the resonant wavelength of the first one of the broken racetrack ring resonators.
US11239634B2 Ring laser integrated with silicon-on-insulator waveguide
The present invention provides one or more injection-lockable whistle-geometry semiconductor ring lasers, which may be cascaded, that are integrated on a common silicon-on-insulator (SOI) substrate with a single-frequency semiconductor master laser, wherein the light output from the semiconductor master laser is used to injection-lock the first of the semiconductor ring lasers. The ring lasers can be operated in strongly injection-locked mode, while at least one of them is subjected to direct injection current modulation.
US11239633B2 Photonic transmitter drivers with logic using cascaded differential transistor pairs stepped by supply voltage differences
A driver circuit includes digital inputs, such as a first digital input and a second digital input. The digital inputs receive voltages at either a digital high-voltage or a digital low-voltage. The driver circuit has a clock input, an analog output, a first differential pair of transistors connected to the analog output, second differential pairs of transistors connected to the analog output, and voltage limiters connected to the clock input and the second differential pairs of transistors. The voltage limiters supply different voltages to the second differential pairs of transistors, which results in the second differential pairs of transistors providing analog signals to the analog output that are at different voltage steps at, and between, the digital high-voltage and the digital low-voltage.
US11239631B2 Self-alignment features for III-V ridge process and angled facet die
A method of forming a laser including device is provided that in one embodiment includes providing a laser chip including at least one ridge structure that provides an alignment features. The method further includes bonding a type IV photonics chip to the laser chip, wherein a vertical alignment feature from the type IV photonics chip is inserted in a recess relative to the at least one ridge structure that provides the alignment features of the laser structure.
US11239630B2 Solder sealing in high-power laser devices
In various embodiments, laser apparatuses include thermal bonding layers between various components and sealing materials for preventing or retarding movement of thermal bonding material out of the thermal bonding layers.
US11239628B2 Method for realizing precise target gain control for hybrid fibre amplifier, and hybrid fibre amplifier
A method for realizing precise gain control for a hybrid fibre amplifier, and a hybrid fibre amplifier, in which by an erbium-doped fibre amplifier firstly outputting a constant power, a comparable source signal optical power is provided for a raman fibre amplifier of a next stage. A feedback for the gain control may be formed by comparing a source signal optical power calculated after starting pumping of the Raman fibre amplifier and a source signal optical power detected after pumping stops, thereby greatly improving gain control precision of the Raman fibre amplifier. Moreover, the erbium-doped fibre amplifier parts of all the hybrid fibre amplifiers may simultaneously output a constant optical power, and the Raman amplifier parts of all the hybrid fibre amplifiers may simultaneously start calibration, so that the time for starting operation of the entire system may be improved greatly.
US11239622B2 System for connecting wires of an electrical cable harness to an electrical connector
A system for connecting wires of an electrical cable harness to an electrical connector includes a base that defines a base plane and is configured to support a connector. The system also includes a guiding device having first and second moveable gripping portions. The first and second gripping portions cooperate to define one or more channels that extend perpendicularly to the base plane and are configured to receive one or more wire ends for insertion. An inner surface of the first gripping portion is parallel with a corresponding inner surface of the second gripping portion and an outer surface of the first gripping portion is nonparallel with a corresponding outer surface of the second gripping portion. The system further includes a robotic arm configured to move the guiding device relative to the base while the one or more channels remain perpendicular to the base plane.
US11239619B2 Wire connecting device and method thereof
A wire connecting device for connecting and electrically communicating a first electrical wire and a second electrical wire can include: an electrical connector having a first end, a second end, and a concave portion between the first end and the second end, wherein the concave portion is configured for accommodating a second core wire of the second electrical wire; and a connecting member cooperating with the electrical connector and configured for guiding the first end and the second end of the electrical connector connected with the first electrical wire. A wire connection method using the wire connecting device can be further provided.
US11239618B2 Bus bar and power electronic device with current shaping terminal connector and method of making a terminal connector
A bus bar includes a load terminal connector comprising a conductive plate that extends from a first edge to an opposite second edge and extends from a third edge to an opposite fourth edge. The third and fourth edges extend from the first edge to the second edge. The plate includes a window opening located between the first and second edges and between the third and fourth edges. The plate also includes a slot extending into the plate from the first edge to the window opening. The plate includes first and second sets of openings configured to receive connections with first and second power terminals of switch packages. The first set of openings and the second set of openings are located on opposite sides of the slot.
US11239617B2 Cable receptacle connector
A contact assembly includes a signal leadframe including signal contacts each extending between a mating end and a terminating end and a ground leadframe separate and discrete from the signal leadframe including ground contacts each extending between a mating end and a terminating end. Each ground contact includes a central transition section between the mating end and the terminating end and a ground tie bar extending between each of the central transition sections and extending across the signal contacts. The contact assembly includes a front contact holder holding the signal contacts of the signal leadframe and holding the ground contacts of the ground leadframe. The front contact holder surrounds the central transition sections of the ground contacts and electrically isolates the ground tie bar from the signal contacts.
US11239615B2 Power supply socket, power receiving head, display device, power supply device and power supply method thereof
The present disclosure provides a power supply socket and a power receiving head. The socket includes a power supply socket housing, a conductive member, a switching element, and a control component. The conductive member is provided in the power supply socket housing and can be connected to a conductive portion on a power receiving head. The switching element is provided in the housing and has an output end and a control end, the output end of the switching element is connected to the conductive member. The control component is provided in the housing and connected to the control end of the switching element, and is configured to detect the power receiving head, and control the switching element to be turned on when the power receiving head is detected, and control the switching element to be turned off when the power receiving head is not detected.
US11239613B2 Power cord and home appliance provided with same
The present disclosure relates to the field of intelligent electrical appliances. Disclosed are a power cord (10) and a home appliance (20) provided with same. The power cord is used for supplying power to a home appliance, and is also used for mounting a communication module (300). The communication module is used for implementing wireless communication between the home appliance (20) and an external device. The power cord (10) comprises a line body (2), a plug (1) disposed at one end of the line body, a line body fixing portion (5) disposed on the part of the line body distant from the plug (1) and used for fixing the line body (2) on the home appliance, and an intelligent module mounting portion (S) disposed adjacent to the line body fixing portion (5) and disposed on the line body, wherein the intelligent module mounting portion (S) is provided with a base (100) having an accommodation cavity (B) and a cover (200) matching the base (100) so as to enclose the accommodation cavity (B). The communication module (300) is accommodated in the accommodation cavity (B). The present power cord can stably mount an intelligent module, is convenient to use, and implements easy mounting and removal.
US11239610B2 Electrical plug with specific earthing of outer parts
An electrical plug includes a plug housing having a first outer housing part and a second outer housing part separate from the first outer housing part, an earthing contact disposed in the plug housing, and an earthing connection element separate from the earthing contact and disposed in the plug housing. The first outer housing part and the second outer housing part are each at least partly metallic. The earthing connection element is electrically connected to the earthing contact, the first outer housing part, and the second outer housing part.
US11239609B2 Card edge connector with covering block occupying contact passageways
A card edge connector includes an insulative housing extending along a lengthwise direction, two rows of (contact) passageways formed in two opposite side walls with a central slot therebetween. Two rows of contacts are disposed within the corresponding passageways, respectively. The contacts include signal contacts and grounding contacts. Each side wall further forms an elongated channel by two sides of central wall under the central slot. A covering block is upwardly assembled into the corresponding channel after the corresponding contacts have been assembled into the corresponding passageways. Each block includes a deflectable latch engaged with the central wall. The covering block occupies at least one half of each passageway in the transverse direction perpendicular to the lengthwise direction. The covering block is optimally made of conductive plastic and forms a plurality of abutment ribs to respectively abut against the corresponding grounding contacts, respectively.
US11239607B2 Fastening device for expansion cards
A fastening device for expansion cards that is capable of connecting to a slot on a normal motherboard and fastening an expansion card in the slot is disclosed. The fastening device includes a top pressing unit and two side fastening units, wherein the two side fastening units are connected to two ends of the top pressing unit, respectively, and each side fastening unit is provided with an opening. When two clip units disposed on the two ends of the slot pass through the openings of the two side fixing units respectively, the top pressing unit presses the top edge of the expansion card inserted into the slot and the two side fastening units respectively press and fasten the two clip units so as to restrain the clip units from unlocking and to prevent the expansion card from becoming loose in the slot.
US11239606B2 Electrical connector assembly
A combined assembly of an electrically conductive structure and an electrical connector assembly includes an electrically conductive structure and an electrically connector assembly. The electrically connector assembly includes a housing defining an interior space and a locking arm. The interior space of the housing receives the electrically conductive structure. The locking arm is supported for movement relative to the housing from an unlocked position, wherein the locking arm does not retain the electrically conductive structure within the interior space, to a locked position, wherein the locking arm retains the electrically conductive structure within the interior space. An electrical contact is disposed within the housing and engages the electrically conductive structure retained within the interior space.
US11239604B2 Connector detachably connectable to a connection object
A connector is detachably connectable to a connection object. The connector includes a pair of locking members, each of which includes a locking latch configured to be engageable with the connection object to lock the connector to the connection object, the pair of locking members being configured to be actuatable in mutually opposite directions to a release position in which the respective locking latches are to be disengaged from the connection object. The connector further includes a single pushbutton externally accessible to be pressed in a first direction for actuating the pair of locking members to the release position, and a transfer means for transferring pressing force to be applied on the pushbutton to move one of the locking members in the first direction and the other of the locking members in a second direction which is opposite to the first direction.
US11239600B2 Housing with an engaging piece
A housing includes a housing main body provided with a terminal holding portion including a terminal accommodating chamber configured to accommodate a terminal, a retainer assembled to the terminal holding portion of the housing main body, and an annular seal member mounted to a tubular seal mounting portion formed on an assembly side to the retainer in the housing main body. The retainer includes an engaging piece protruding in a direction of assembling to the housing main body. The engaging piece is inserted into an inner side of the seal mounting portion and abuts on an inner surface of the seal mounting portion.
US11239595B2 Female terminal and female connector
A female terminal is provided with a tubular connecting tube portion, a male terminal being connected to the connecting tube portion from front, a resilient contact piece configured to resiliently contact the male terminal inserted into the connecting tube portion from a first direction, receiving portions configured to sandwich the male terminal between the resilient contact piece and the receiving portions inside the connecting tube portion, a vibration suppressing portion configured to resiliently contact the male terminal from a second direction intersecting the first direction, and a contact portion configured to sandwich the male terminal between the vibration suppressing portion and the contact portion inside the connecting tube portion. The vibration suppressing portion is provided on a wall portion constituting the connecting tube portion and includes a plurality of deflecting portions deflectable in the second direction.
US11239589B2 Host connector and receptacle assembly including same
A host connector includes a connector insulator having a slot allowing detachable insertion of a plug connector of a module, a first contact terminal group including contact terminals arranged inside the connector insulator and each brought into contact with a contact pad on one side at a connection end of the plug connector, and a second contact terminal group including contact terminals each brought into contact with a contact pad on another side opposed to the aforementioned contact pad. The first contact terminal group includes grounding sub-contact terminals arranged inside slits of the connector insulator, grounding main contact terminals supporting the grounding sub-contact terminals, and signal contact terminals. Contact portions of each grounding main contact terminal and of each signal contact terminal having the same shape are arranged on a common straight line, and the signal contact terminals are disposed between the grounding main contact terminals.
US11239584B2 Display device and method for manufacturing the same
A display device includes a display panel including a plurality of panel pads, a connection board including a plurality of connection lines, and a circuit board including a plurality of board pads. The plurality of connection lines are spaced apart from each other. Each of a connection line among the plurality of connection lines includes: a first end portion at which the connection line is connected to the display panel, the first end portion being in direct contact with a panel pad, and a second end portion opposite to the first end portion and at which the connection line is connected to the circuit board, the second end portion being in contact with a board pad.
US11239581B2 Electrical connector and a control valve including the same
An electrical connector includes a blade terminal configured to establish an electrical circuit. The electrical connector also includes a receiving terminal coupled to the blade terminal. The receiving terminal includes a bridge portion, a first leg extending from the bridge portion, and a second leg extending from the bridge portion and separated from the first leg by a slot defined by the bridge portion, the first leg, and the second leg. Moreover, at least one of the first leg and the second leg include a geometric feature extending into the slot such that the slot is configured to prevent insertion of a second electrical connector into the slot.
US11239563B2 Electromagnetic dielectric structure adhered to a substrate and methods of making the same
In an embodiment, an electromagnetic device, comprises a substrate a substrate comprising a dielectric layer and a first conductive layer; at least one dielectric structure comprising at least one non-gaseous dielectric material that forms a first dielectric portion that extends outward from the first side of the substrate, the first dielectric portion having an average dielectric constant and an optional second dielectric portion that extends into an optional via. The at least one dielectric structure is bonded to the substrate by at least one of: a mechanical interlock between the second dielectric portion and the substrate due to the at least one interlocking slot comprising a retrograde surface; an intermediate layer located in between the dielectric structure and the substrate having a roughened surface; or an adhesive material located in between the dielectric structure and the substrate. A method of making the device can comprise injection molding a dielectric composition onto the substrate to form the dielectric substrate.
US11239562B2 Antenna module and electronic device
The present disclosure relates to an antenna module and an electronic device. The antenna module includes: a feeding layer; a ground layer arranged on the feeding layer and provided with a first slot and a second slot, the first slot and the second slot being separated and having orthogonal polarization directions; a dielectric base plate arranged on the ground layer; and a stacked patch antenna including a first radiation patch and a second radiation patch. The first radiation patch and the second radiation patch are arranged on two sides of the dielectric base plate facing away from each other, respectively, and the first radiation patch is aligned with the second radiation patch. The feeding layer is configured to feed the stacked patch antenna through the first slot and the second slot.
US11239558B2 Terminal device
A terminal device is provided, which includes: a housing including a conductive frame provided with a first frame connecting point, a second frame connecting point and a grounding point; and a feeding point disposed on a circuit board. A first antenna is formed by the feeding point, the first signal wire, the first frame connecting point, the third signal wire and the conductive frame when the first frame connecting point is connected with the feeding point through a first signal wire and the second frame connecting point is disconnected from the feeding point. A second antenna is formed by the feeding point, the second signal wire, the third signal wire, the second frame connecting point and the conductive frame when the first frame connecting point is disconnected from the feeding point and the second frame connecting point is connected with the feeding point through a second signal wire.
US11239555B2 2-bit phase quantization phased array element
A phase shift element includes a first dielectric layer, a conductive layer, a second dielectric layer, a conducting pattern layer, switches, and vertical interconnect accesses (vias). Each conductor of a plurality of conductors of the conducting pattern layer is orthogonal to two other conductors. Each switch is switchable between a conducting position and a non-conducting position. Each via is connected to a single conductor. The first conductive material reflects an electromagnetic wave incident on the conducting pattern layer and on the second dielectric layer. When a switch is in the conducting position, the switch electrically connects two conductors to each other through their respective vias. A plurality of different switch configurations of the switches provide a 2-bit phase quantization on the reflected electromagnetic wave relative to the electromagnetic wave incident on the conducting pattern layer when the electromagnetic wave is incident on the conducting pattern layer.
US11239549B2 Glass substrate, liquid crystal antenna and high-frequency device
Provided is a glass substrate with which it is possible to reduce dielectric loss in high-frequency signals, and which also has excellent thermal shock resistance. This invention satisfies the relation {Young's modulus (GPa)×average thermal expansion coefficient (ppm/° C.) at 50-350° C.}≤300 (GPa·ppm/° C.), wherein the relative dielectric constant at 20° C. and 35 GHz does not exceed 10, and the dielectric dissipation factor at 20° C. and 35 GHz does not exceed 0.006.
US11239540B2 Irregular-shaped triple-mode cavity resonance structure and filter with the resonance structure
The disclosure discloses an irregular-shaped cavity multi-mode resonance structure and a filter with the resonance structure. The irregular-shaped cavity multi-mode resonance structure includes a cavity and a cover plate, wherein the cavity is internally provided with a dielectric resonance block and a dielectric support frame; at least one end face of the cavity is concave or convex, and at least one end face of the dielectric resonance block is convex or concave, the dielectric resonance block and the dielectric support frame form a triple-mode dielectric resonance rod; one end or any end of the cube-like dielectric resonance block is respectively connected with the dielectric support frame; the dielectric support frame is connected with an inner wall of the cavity; and the dielectric resonance block forms triple-mode resonance in three directions along the X, Y and Z axes of the cavity.
US11239535B2 Waveguide switch rotor with improved isolation
Embodiments of the invention include waveguide switch rotors, stators, waveguide switch housings and meander clamping mechanisms. In particular, the waveguide switch rotor design employs isolation posts surrounding waveguide ports disposed on the external face of the rotor to achieve an artificial magnetic boundary condition to achieve high isolation with improved gap from rotor to stator.
US11239534B2 Compression clamp battery connection system
A battery connection system includes a conductor configured to connect with a battery that has a post. An inner clamp element has a wall that is shaped to mate with the post and that defines a hollow interior and an exterior. The wall has a notch defining a void in the wall. An outer clamp element mates with the exterior of the wall of the inner clamp element to reduce the size of the void to secure the conductor to the battery.
US11239533B2 Battery connection module
A battery connection module includes an electrode connection tray and a flexible circuit board. The connection tray includes a carrying tray and a plurality of busbars. The busbars are mounted on the carrying tray. The board is configured on the connection tray, and the busbars are arranged adjacent to the board. The board includes a main body and a plurality of L-shaped flexible arms extending therefrom. Each L-shaped flexible arm is configured to be movably connected with a respective one of the busbars. Each L-shaped flexible arm includes a first section, a second section and an end portion. The first section extends outwardly from the main body toward the busbars. The second section connects with the first section and extends in a direction between the busbars and the main body. The end portion is positioned at a distal end of the second section and connects with the corresponding busbar.
US11239531B2 Battery separators with controlled pore structure
Disclosed are battery separators comprising glass fibers and having a basis weight (gsm), a specific surface area (m2/g), a density (gsm/mm) and a mean pore size (μm), which satisfy the equation disclosed herein. Also disclosed are batteries comprising the battery separators, and processes for making the separators.
US11239529B2 Film production method
A desired drying capability is achieved while damage to a film is prevented. A film production method is arranged such that: a production process including a drying step is operated by setting a drying condition, under which to carry out the drying step, for each of at least two periods, the two periods being a first period and a second period later than the first period; the drying condition is changed in at least a part of the first period so as to be enhanced with time; and the drying condition is maintained in the second period so as to be substantially fixed.
US11239528B2 Pressure relief element, pressure relief device and battery
The present invention relates to a pressure relief element (11) to be used as an overpressure safety means in devices where a gaseous medium must be rapidly released in case of overpressure, wherein the pressure relief element (11) has at least one notch (9) which is designed as a predetermined breaking point where the pressure relief element (11) breaks at a certain level of overpressure, thereby irreversibly opening an exhaust path for the gaseous medium. The present invention also relates to a pressure relief device of an electrochemical battery, comprising such a pressure relief element and a battery comprising such a pressure relief device.
US11239525B2 Battery pack
A battery pack includes a box body assembly including a box body and a plurality of fixing beams which are fixed in the box body and divide the internal space into a plurality of containing cavities, a plurality of battery modules correspondingly arranged in each containing cavity and a plurality of restraint components, each of which includes a limit part, a first mounting part and a second mounting part. Each limit part covers each battery module correspondingly. The first and second mounting part are connected on both sides of the limit part in the direction in which the plurality of fixing beams are arranged and fixed with the fixing beams on both sides of the corresponding battery module respectively; the first mounting part of one of adjacent restraint components and the second mounting part of the other are fixed on the same fixing beam and overlapped in a height direction.
US11239523B2 Battery pack coupling system
A battery pack coupling system for mechanically and/or electrically coupling a battery pack optionally to a harness device or to a manually operated electrical device includes a mechanical backpack coupling interface at the battery pack for the releasable mechanical coupling to a corresponding mechanical battery pack-backpack coupling interface at the harness device and/or an electrical coupling interface at the battery pack and an electrical connecting line with a connecting plug body at the end which can be releasably coupled to the electrical coupling interface. The battery pack coupling system has a mechanical device coupling interface at the battery pack, different from the mechanical backpack coupling interface, for the releasable mechanical coupling to a corresponding mechanical battery pack-device coupling interface at the electrical device and/or a plug fastening mechanism through which the connecting plug body can be fastened releasably to the harness device.
US11239519B2 Power storage system and management device
A power storage unit includes a plurality of power storage module groups connected in parallel, each having a plurality of power storage modules connected in series or in series and parallel. A plurality of temperature adjustment units is installed in each of the power storage module groups constituting the power storage unit, and cools or heats the power storage module groups. A management unit controls the plurality of temperature adjustment units corresponding to each of the power storage module groups to make resistances of the plurality of power storage module groups come close.
US11239518B2 Rechargeable battery and display device including the same
The present disclosure relates to a rechargeable battery including: an electrode assembly including a first electrode, a second electrode, and a separation layer interposed between the first electrode and the second electrode, a first electrode tab electrically connected to the first electrode, a second electrode tab electrically connected to the second electrode, and a first exterior member and a second exterior member receiving the electrode assembly and disposed to face each other, wherein at least one of the first exterior member and the second exterior member includes at least one of a first draw-out unit drawing out the first electrode tab and a second draw-out unit drawing out the second electrode tab, and a display device including the same.
US11239512B2 Counterflow heat exchanger with side entry fittings
A battery cell heat exchanger having a pair of plates that together define a fluid passage having a first channel permitting fluid flow from a first end of the plate pair towards a second end of the plate pair, and a second channel permitting fluid flow from the second end towards the first end of the plate pair. The plate pair together defining a first conduit at the first end of the plate pair, the first conduit being in fluid communication with the first channel. One of the pair of plates having an aperture permitting fluid flow from the second channel to a duct, the duct coupled to the one of the pair of plates having the aperture and having a second conduit in fluid communication with the aperture; where the first conduit and the second conduit lie in the plane defined by the pair of plates.
US11239509B2 Actively controlled thermal conductivity for powertrain thermal management
A vehicle powertrain component includes a thermal transfer surface that transfers thermal energy out of a powertrain component and a thermally active material disposed over the thermal transfer surface. The thermally active material includes a variable thermal conductivity and an actuator coupled to the thermally active material induces changes in the thermal conductivity of the thermally active material. A controller governs operation of the actuator to adjust the thermal conductivity of the thermally active material responsive to a vehicle operating condition to maintain the powertrain component within a predefined temperature range.
US11239507B2 Devices and method for smelterless recycling of lead acid batteries
Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting. In preferred aspects, lead recovery is performed in a continuous process that uses an aqueous electroprocessing solvent and electro-refining. Spent electroprocessing solvent and/or base utilized to treat lead paste from the lead acid battery scrap can be recycled to the recovery process.
US11239506B2 Thermal event detection for battery packs
This disclosure relates to thermal event detection for battery packs of electrified vehicles. An example electrified vehicle includes a battery assembly including an enclosure assembly surrounding at least one battery array, and a controller configured to receive information associated with the battery assembly and detect a thermal event based on the information. The controller is configured to issue a plurality of corrective action commands following detection of the thermal event.
US11239503B2 Intermediate frame, electrochemical systems, and methods
Provided herein are intermediate frame systems and methods, comprising one or more arrays of channels on upper and/or lower edges of the intermediate frame wherein the channels are configured to provide a spatially uniform flow of electrolyte through the plane of the intermediate frame.
US11239501B2 Lithium-ion battery
The present disclosure provides a lithium-ion battery comprising an electrode assembly, an electrolyte and a case. The electrolyte comprises a lithium salt and an organic solvent which comprises a cyclic ester, a mass of the cyclic ester is equal to or less than 10% of a total mass of the organic solvent. A negative electrode active material at least comprises a carbon-based negative electrode material which in the negative electrode film exists in a form of a pre-lithium-intercalation compound LiCx formed by lithiation with a lithium metal, 12≤x≤150; a capacity of the negative electrode active material per unit area/(a capacity of the positive electrode active material per unit area+a capacity of active lithium ions of the pre-lithium-intercalation compound LiCx which can be intercalated and deintercalated in the negative electrode film per unit area)≥1.10.
US11239499B2 Additive, electrolyte for lithium secondary battery and lithium secondary battery including the same
An additive for a lithium secondary battery includes a compound represented by Formula 1 below, where R1 to R4 are as defined in the disclosure. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive. A lithium secondary battery includes: a cathode; an anode; and the electrolyte.
US11239497B2 Electrolyte and electrochemical device
This application provides an electrolyte and an electrochemical device, wherein the electrolyte comprises an additive A and an additive B, the additive A is present in an amount of 0.001% to 10% by mass in the electrolyte, and the additive B is present in an amount of 0.1% to 10% by mass in the electrolyte. This application can improve the cycle performance and storage performance of the electrochemical device, especially the cycle performance and storage performance of the electrochemical device under high temperature and high voltage conditions.
US11239496B2 Additive for electrolytes
There is provided a use, in an electrolyte for a battery, of an additive which comprises at least one organocatalyst. Also, there is provided a method of preventing the contact between the anode and residual water in a battery and/or reducing the level of gas in a battery. Moreover, there is provided electrolyte for a battery, comprising an additive which comprises at least one organocatalyst. Moreover, there is provided a battery comprising an electrolyte which comprises an additive which comprises at least one organocatalyst.
US11239493B2 Method for bonding solid electrolyte layer and electrodes, method for manufacturing fuel cell, and fuel cell
A method for bonding a solid electrolyte layer and electrodes used a fuel cell includes: laminating the solid electrolyte layer and the electrodes so that the electrodes sandwich the solid electrolyte layer therebetween; applying a first voltage of a first polarity between the electrodes sandwiching the solid electrolyte layer; and applying a second voltage of a second polarity that is the reverse of the first polarity between the electrodes sandwiching the solid electrolyte layer.
US11239491B2 Solid state electrolyte and electrochemical cell including the electrolyte
Solid state lithium ion conducting electrochemical cells and methods for forming the cells are described. The electrochemical cells include a composite solid state lithium ion conducting electrolyte separating porous metal supported electrodes. The electrolyte includes a crosslinked oligosiloxane matrix that includes pendant lithium ion chelating functionality that is provided in conjunction with lithium ions and encapsulating lithium ion conducting particles. The solid state electrolyte can extend into the pores of the electrodes to provide high surface area contact and improved electrochemical characteristics.
US11239489B2 Zinc secondary battery
There is provided a secondary zinc battery including: (a) at least one unit cell including; a positive electrode; a negative-electrode structure including a negative-electrode active material layer containing at least one selected from the group consisting of elemental zinc, zinc oxide, zinc alloys, and zinc compounds; a LDH separator including a porous substrate composed of a polymeric material and layered double hydroxide (LDH); and an electrolytic solution; and (b) a pressuring unit compacting the unit cell to bring the negative-electrode structure in close contact with the LDH separator. Pores of the porous substrate are filled with the LDH such that the LDH separator is hydroxide-ion-conductive and gas-impermeable. The LDH separator separates the positive electrode from the negative-electrode active material layer.
US11239488B2 Longitudinal constraints for energy storage devices
A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.
US11239487B2 Wound electrode assembly for nonaqueous electrolyte rechargeable battery, nonaqueous electrolyte rechargeable battery including the same, and method for manufacturing the same
A wound electrode assembly for a non-aqueous electrolyte rechargeable battery, the wound electrode assembly including a positive electrode, a negative electrode, and a porous film between the positive electrode and negative electrode, the positive electrode, the negative electrode, and the porous film each being belt-shaped, and an adhesive layer on the surface of the porous film. The adhesive layer includes a fluorine resin-containing particulate, a binder particle supporting the fluorine resin-containing particulate and having a smaller total volume than that of the fluorine resin-containing particulate, and a heat-resistant filler particle. An average particle diameter of the binder particle is about 100 nm to about 500 nm. An average particle diameter of the heat-resistant filler particle is about 10 nm to about 100 nm.
US11239481B2 Control of an electrochemical device with integrated diagnostics, prognostics and lifetime management
A method for controlling the operation of an electrochemical device having at least one operating organ, comprising the steps of: receiving measurements related to the operation of the electrochemical device, and estimating at least diagnostics data based on said measurements, estimating prognostics data based on said diagnostics data and providing operation instructions to control said operating organ of the electrochemical device, said operation instructions being optimized with respect to said estimated diagnostics and prognostics data.
US11239480B2 Fuel cell system
A fuel cell system includes: a fuel cell unit; first and second supply systems; a switching device; a switching control unit, when required power of the fuel cell unit is equal to or smaller than a threshold; an open circuit voltage obtaining unit; and a supply system control unit.
US11239475B2 Catalyst layer for fuel cell and production method therefor
Disclosed are a catalyst layer for a fuel cell, including a carbon carrier having pores, a catalyst metal carried on the carbon carrier, and an ionomer covering the carbon carrier, wherein the crystal length of the carbon carrier is not less than 6 nm, and the coverage of the catalyst metal by the ionomer is 55% to 65%, and a method for the production of a catalyst layer for a fuel cell, including heat-treating a carbon carrier having pores, heat-treating the heat-treated carbon carrier under an oxygen atmosphere to activate the carbon carrier, allowing the activated carbon carrier to carry a catalyst metal, mixing the carbon carrier carrying the catalyst metal and an ionomer to cover the carbon carrier with the ionomer, and forming the catalyst layer for a fuel cell using the carbon carrier covered with the ionomer.
US11239464B2 Method of producing positive electrode active material for nonaqueous electrolyte secondary battery
A method of producing a positive electrode active material for a nonaqueous electrolyte secondary battery, the method includes preparing nickel-containing composite oxide particles having a ratio 1D90/1D10 of a 90% particle size 1D90 to a 10% particle size 1D10 in volume-based cumulative particle size distribution of 3 or less; obtaining a raw material mixture containing the composite oxide particles and a lithium compound and having a ratio of a total number of moles of lithium to a total number of moles of metal elements contained in the composite oxide in a range of 1 to 1.3; subjecting the raw material mixture to a heat treatment to obtain a heat-treated material; subjecting the heat-treated material to a dry-dispersion treatment to obtain a first dispersion; and bringing the first dispersion into contact with a liquid medium to obtain a second dispersion.
US11239459B2 Low-expansion composite electrodes for all-solid-state batteries
A composite electrode for use in an all-solid-state electrochemical cell that cycles lithium ions is provided. The composite electrode comprises a solid-state electroactive material that undergoes volumetric expansion and contraction during cycling of the electrochemical cell and a solid-state electrolyte. The solid-state electroactive material is in the form of a plurality of particles and each particle has a plurality of internal pores formed therewithin. Each particle has an average porosity ranging from about 10% to about 75%, and the composite electrode has an interparticle porosity between the solid-state electroactive material and solid-state electrolyte particles ranging from about 5% to about 40%. The intraparticle pores and the interparticle porosity accommodate the volumetric expansion and contraction of the solid-state electroactive material so to minimize outward expansion of the electroactive particles, micro-cracking of the solid-state electrolyte, and delamination within the electrochemical cell.
US11239457B2 Nonaqueous electrolyte battery and battery pack comprising a spinel type lithium-manganese composite oxide
According to one embodiment, provided is a nonaqueous electrolyte battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a spinel type lithium-manganese composite oxide and a lithium cobalt oxide, which satisfy formula (1): 0.01≤B/(A+B)<0.05. The negative electrode includes a titanium-containing oxide. The nonaqueous electrolyte battery satisfies formula (2): 0.3≤C/D 0.8. A is a weight ratio (wt %) of the spinel type lithium-manganese composite oxide. B is a weight ratio (wt %) of the lithium cobalt oxide. C is a pore specific surface area (m2/g) of the positive electrode. D is a pore specific surface area (m2/g) of the negative electrode.
US11239455B2 Porous carbon electrode manufacturing method
The present invention relates to a method of manufacturing a porous carbon electrode, the method including: applying a metal film or metal particles to one surface of a carbon electrode; heat treating the carbon electrode to which the metal film or the metal particles are applied; and forming one surface of the carbon electrode in a porous structure by making the metal film or the metal particles penetrate into one surface of the carbon electrode, and the efficiency of the carbon electrode as an electrode may be improved while increasing a surface area of a carbon structure.
US11239454B2 Methods and apparatuses for energy storage device electrode fabrication
An apparatus for forming an electrode film mixture can have a first source including a polymer dispersion comprising a liquid and a polymer, a second source including a second component of the electrode film mixture, and a fluidized bed coating apparatus including a first inlet configured to receive from the first source the dispersion, and a second inlet configured to receive from the second source the second component.
US11239447B2 OLED display panel and manufacturing method thereof
The invention provides an OLED display panel and manufacturing method thereof. The manufacturing method of OLED display panel of the invention forms a first scattering layer on the thin film encapsulation layer, a quantum dot layer on the first scattering layer, and a second scattering layer on the quantum dot layer. The first scattering layer extracts light from the OLED device, so that the light totally reflected by OLED device through thin film encapsulation layer is emitted as much as possible; the light extracted by the first scattering layer reaches the quantum dot layer. The quantum dots are excited to perform light color matching to emit light of desired color. Since the light excited by quantum dot layer is dispersed, the second scattering layer extracts the light excited by the quantum dot layer in an orderly manner, so that the OLED display panel emits light uniformly, thereby improving luminous efficiency.
US11239445B2 Display substrate with power pad in peripheral area and method of manufacturing thereof
A display substrate having a display area and a peripheral area. The display panel includes a base substrate; a first power pad on the base substrate, the first power pad including a first portion in the peripheral area and along a power line interface side of the display substrate; a planarization layer on a side of the first power pad away from the base substrate; a pixel definition layer on a side of the planarization layer away from the base substrate, defining a plurality of subpixel apertures; and an encapsulating layer on a side of the pixel definition layer away from the base substrate. The display substrate includes a first groove extending through one or a combination of the planarization layer and the pixel definition layer, exposing a surface of the first portion of the first power pad in the peripheral area.
US11239444B2 Display panel, display apparatus, method of fabricating display panel, and encapsulating structure
A display panel. The display panel includes a base substrate; a plurality of light emitting elements on the base substrate; and an encapsulating structure encapsulating the plurality of light emitting elements. The encapsulating structure includes a first inorganic encapsulating sublayer; a first organic encapsulating sublayer; and a first amphiphilic cross-linking sublayer between the first inorganic encapsulating sublayer and the first organic encapsulating sublayer.
US11239441B2 Lighting apparatus using organic light emitting diode
A lighting apparatus using an organic light emitting diode that has an emission area and a non-emission area, the light emitting apparatus comprises a first electrode; an organic layer disposed on the first electrode; a second electrode disposed on the organic layer; and an insulating layer disposed in the non-emission area, wherein the first electrode disposed in the emission area includes at least one metal layer and at least one dielectric layer, and wherein the first electrode disposed in the non-emission area includes at least one dielectric layer.
US11239438B2 Light emitting diode, manufacturing method thereof and display device including the same
A light emitting diode according to embodiments of the present disclosure includes a first electrode, a second electrode opposite the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including a quantum dot, a first charge transfer layer between the first electrode and the emission layer, a second charge transfer layer between the second electrode and the emission layer, and an insulating layer in at least one position between the first charge transfer layer and the emission layer, and/or between the second charge transfer layer and the emission layer, wherein the insulating layer includes an inorganic material. The light emitting diode and a display device including the same show improved life characteristics and emission efficiency properties.
US11239436B2 Display apparatus and electronic apparatus
Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.
US11239434B2 Organic electroluminescent materials and devices
A compound including a first ligand LA of Formula I is disclosed.
US11239433B2 Organic electroluminescent materials and devices
A compound comprising a ligand LA having the formula: is disclosed. Such a compound is suitable for use an emitter in organic light emitting devices.
US11239431B2 Organic electronic device, organic semiconducting material and a borane compound
The present invention relates to an organic electronic device or an organic semiconducting material comprising a borane compound a borane compound, the borane compound comprising at least one boron atom in the oxidation state (III) and at least one anionic ligand, the anionic ligand having the formula (Ia) or (Ib) wherein in the formulas (Ia) and (Ib) A1 to A6 are independently selected from the group consisting of CO, SO2 or PDX1; X1 is independently selected from the group consisting of halide, nitrile, halogenated or perhalogenated C1 to C20 alkyl, halogenated or perhalogenated C6 to C20 aryl, and halogenated or perhalogenated heteroaryl having 5 to 20 ring-forming atoms; and R1 to R6 are independently selected from the group consisting of substituted or unsubstituted C1 to C20 alkyl, substituted or unsubstituted C1 to C20 heteroalkyl, substituted or unsubstituted C6 to C20 aryl, and substituted or unsubstituted C5 to C20 heteroaryl, wherein it may be provided that R1 and R2 are linked to each other to form a ring; as well as to a respective borane compound.
US11239420B2 Conformal damage-free encapsulation of chalcogenide materials
Methods and apparatuses for forming an encapsulation bilayer over a chalcogenide material on a semiconductor substrate are provided. Methods involve forming a bilayer including a barrier layer directly on chalcogenide material deposited using pulsed plasma plasma-enhanced chemical vapor deposition (PP-PECVD) and an encapsulation layer over the barrier layer deposited using plasma-enhanced atomic layer deposition (PEALD). In various embodiments, the barrier layer is formed using a halogen-free silicon precursor and the encapsulation layer deposited by PEALD is formed using a halogen-containing silicon precursor and a hydrogen-free nitrogen-containing reactant.
US11239416B2 Variable resistance memory device
A variable resistance memory device includes a first conductive line extending in a first direction, a second conductive line extending in a second direction, the second direction intersecting the first direction on the first conductive line, a fixed resistance layer between the first conductive line and the second conductive line, and a variable resistance layer between the first conductive line and the second conductive line, wherein the fixed resistance layer and the variable resistance layer are electrically connected in parallel to each other between the first conductive line and the second conductive line.
US11239413B2 Magnetic device and magnetic random access memory
A spin-orbit-torque (SOT) magnetic device includes a bottom metal layer, a first magnetic layer, as a magnetic free layer, disposed over the bottom metal layer, a spacer layer disposed over the first magnetic layer, and a second magnetic layer disposed over the spacer layer. The first magnetic layer includes a lower magnetic layer, a middle layer made of non-magnetic layer and an upper magnetic layer.
US11239411B2 Spin-orbit-torque magnetization rotational element, spin-orbit-torque magnetoresistance effect element, magnetic memory, and oscillator
A spin-orbit-torque magnetization rotational element includes: a spin-orbit-torque wiring extending in a first direction; an antiferromagnetic layer laminated on one surface of the spin-orbit-torque wiring; and a first ferromagnetic layer located on a side of the antiferromagnetic layer opposite to the spin-orbit-torque wiring and magnetically coupled with the antiferromagnetic layer by exchange coupling, wherein a length of the antiferromagnetic layer in the first direction is shorter than a length of the spin-orbit-torque wiring in the first direction.
US11239409B2 Piezoelectric material filler, composite piezoelectric material, composite piezoelectric device, composite piezoelectric material filler, and method for producing alkali niobate compound
Provided is a piezoelectric material filler including alkali niobate compound particles having a ratio (K/(Na+K)) of the number of moles of potassium to the total number of moles of sodium and potassium of 0.460 to 0.495 in terms of atoms and a ratio ((Li+Na+K)/Nb) of the total number of moles of alkali metal elements to the number of moles of niobium of 0.995 to 1.005 in terms of atoms. The present invention can provide a piezoelectric material filler having excellent piezoelectric properties, and a composite piezoelectric material including the piezoelectric material filler and a polymer matrix.
US11239404B2 Method for reducing losses and distortion in a driver with a capacitive load
A method for reducing switching losses and waveform distortion in a driver for a circuit with a capacitive load includes generating a variable pre-drive pulse to achieve zero voltage and zero-current switching of a high-side switch of the unfolding stage. A controller computes the variable pre-drive pulse with the controller, and a sense resistor in series with the power converter inductor detects a zero voltage switching condition point and/or a zero voltage switching condition point. The driver includes a power converter that receives an input voltage vin as input and generates a clean folded waveform as an output. An unfolding stage referenced to vin receives the clean folded waveform from the converter and unfolds the folded waveform into a full waveform.
US11239402B2 Optoelectronic semiconductor component, and method for producing an optoelectronic semiconductor component
An optoelectronic semiconductor component and a method for producing an optoelectronic semiconductor component are disclosed. In an embodiment an optoelectronic semiconductor component includes a semiconductor body with a contact metallization located at a main surface of the semiconductor body, a protective layer partially covering the semiconductor body and the contact metallization, a substrate firmly bonded to the semiconductor body at the main surface, a recess and a terminal layer arranged within the recess, wherein the recess and the terminal layer extend from a side of the substrate facing away from the semiconductor body through the substrate and the protective layer up to the contact metallization, and wherein the terminal layer electrically contacts the contact metallization and a connection layer located between the substrate and the semiconductor body, the connection layer including a first region and a second region, wherein the first region is bonded together with the second region without using a bonding agent.
US11239397B2 Breathable and waterproof micro light emitting diode display
A micro light emitting diode display includes a display module and a hydrophobic layer. The display module includes a substrate, an electrode layer, and a micro light emitting diode device. The substrate has a first surface, a second surface opposite to the first surface and at least one air passage extending from the first surface to the second surface. The electrode layer is disposed on and in contact with the first surface of the substrate. The air passage has an opening on the first surface of the substrate, and the electrode layer is spaced apart from the opening. The micro light emitting diode device is disposed on the electrode layer and has a light emitting area that is less than or equal to 2500 μm2. The hydrophobic layer at least partially covers a side of the display module.
US11239396B2 Light emitting device and method for manufacturing a light emitting device
A light-emitting device and a method for manufacturing a light-emitting device are disclosed. In an embodiment a light-emitting device includes a light-emitting semiconductor chip with a light-outcoupling surface surrounded laterally by a first reflective material in a form-locking manner, a foil element on the light-outcoupling surface, an optical element on the foil element laterally surrounded by a second reflective material in a form-locking manner and a gas-filled gap located at least in a partial region between the foil element and the optical element.
US11239395B2 Image display device
An image display device includes: a plurality of LED elements that are mounted on a drive circuit substrate and emit light source light; a wavelength conversion layer that is stacked on a side of the LED elements opposite to the drive circuit substrate, converts the light source light emitted by the LED elements into long wavelength light, and emits the long wavelength light to a side opposite to the drive circuit substrate; and a first functional layer that is disposed on a light emitting surface side of the long wavelength light of the wavelength conversion layer, reflects the light source light, and transmits the long wavelength light.
US11239394B2 Semiconductor device and display device including the same
Disclosed herein is a semiconductor device including a light emitting structure including a first conductive type semiconductor layer, a plurality of active layers disposed to be spaced apart on the first conductive type semiconductor layer, and a plurality of second conductive type semiconductor layers disposed on the plurality of active layers, respectively, a first electrode electrically connected to the first conductive type semiconductor layer, and a plurality of second electrodes electrically connected to the plurality of second conductive type semiconductor layers, respectively, wherein the plurality of active layers include a first active layer, a second active layer, and a third active layer, the light emitting structure includes a first light emitter including the first active layer, a second light emitter including the second active layer, and a third light emitter including the third active layer, the first active layer emits light in a blue wavelength band, the second active layer emits light in a green wavelength band, and a height of the second active layer differs from a height of the first active layer.
US11239389B2 Method for manufacturing light-emitting element and electronic device applying light-emitting element
The disclosure provides a method for manufacturing a light-emitting element, including the following steps. A light-emitting diode is provided. An energy beam is applied to process a surface of the light-emitting diode, where a power density of the energy beam is greater than 0 mJ/cm2 and less than or equal to 2000 mJ/cm2. The light-emitting element manufactured using the method for manufacturing a light-emitting element disclosed in embodiments of the disclosure may improve light extraction efficiency, may have a relatively good light-emitting effect, and may be electrically connected to a drive circuit to constitute an electronic device.
US11239387B2 Light emitting diode with high efficiency
A light emitting diode includes: a substrate; a semiconductor stack disposed on the substrate and including a lower semiconductor layer, an upper semiconductor layer and an active layer interposed between the lower semiconductor layer and the upper semiconductor layer, the semiconductor stack having an isolation groove exposing the substrate through the upper semiconductor layer, the active layer and the lower semiconductor layer; a first electrode pad and an upper extension portion electrically connected to the upper semiconductor layer; a second electrode pad and a lower extension portion electrically connected to the lower semiconductor layer; a connecting portion connecting the upper extension portion and the lower extension portion to each other across the isolation groove; a first current blocking layer interposed between the lower extension portion and the lower semiconductor layer; and a second current blocking layer interposed between the second electrode pad and the lower semiconductor layer.
US11239384B2 Semiconductor wafers and semiconductor devices with barrier layer and methods of manufacturing
A semiconductor ingot is sliced to obtain a semiconductor slice with a front side surface and a rear side surface parallel to the front side surface. A passivation layer is formed directly on at least one of the front side surface and the rear side surface. A barrier layer including least one of silicon carbide, a ternary nitride, and a ternary carbide is formed on the rear side surface.
US11239380B2 Photoelectric conversion device, substrate, and system with semiconductor regions
Photoelectric conversion device includes semiconductor chip including first semiconductor region, second semiconductor region arranged on the first semiconductor region, and third semiconductor region arranged on the second semiconductor region. Chip end face of the semiconductor chip is formed by the first semiconductor region, the second semiconductor region and the third semiconductor region. The first semiconductor region is of first conductivity type and the second semiconductor region is of second conductivity type. The third semiconductor region includes photoelectric conversion region, readout circuit region, and peripheral region. The peripheral region includes isolation region and outer periphery region arranged between the chip end face and the isolation region. The isolation region is of the second conductivity type and the outer periphery region is of the first conductivity type.
US11239378B2 Solar cell with reduced surface recombination
A solar cell is provided. The solar cell includes a p-n junction and a coating. The p-n junction includes upper and lower layers. The coating overlies the upper layer of the p-n junction. The coating includes a transparent conductive layer and a gate dielectric layer, which is interposed between the transparent conductive layer and the upper layer of the p-n junction. The solar cell further includes a front-contact and a back-contact, which are electrically communicative with each other. The front-contact is electrically communicative with the upper layer of the p-n junction through the coating. The back-contact is electrically communicative with the lower layer of the p-n junction. The solar cell can also include a contact via electrically communicative with the back-contact and with the transparent conductive layer.
US11239377B2 Optoelectronic module package
An optoelectronic module. In some embodiments, the optoelectronic module includes: a substrate; a digital integrated circuit, on an upper surface of the substrate; and a frame, secured in a pocket of the substrate. The pocket is in a lower surface of the substrate, and the substrate includes an insulating layer, and a plurality of conductive traces.