| Document | Document Title |
|---|---|
| US10945359B2 |
Component transfer device
A component transfer device including: a component mounting tool mounted on a movable mounting head, the component mounting tool being configured to collect a component from a component supply device and mount the component on a board; a side imaging section configured to image the component held by the component mounting tool from the side; a cleaning nozzle having an emission port on a side surface only of the cleaning nozzle that opens toward the side imaging section; and a positive pressure air supply section configured to supply positive pressure air to the cleaning nozzle and blow out the positive pressure air from the emission port toward the side imaging section. |
| US10945358B2 |
Flexible electromagnetic wave shielding material, electromagnetic wave shielding type circuit module comprising same and electronic device furnished with same
Provided is a flexible electromagnetic wave shielding material. An electromagnetic wave shielding material according to an embodiment of the present invention is implemented to include a conductive fiber web including a conductive composite fiber including a metal shell part covering an outside of a fiber part such that the conductive composite fiber forms multiple pores; and a first conductive component provided in at least some of the pores. The electromagnetic wave shielding material is so excellent in flexibility, elasticity, and creasing/recovery that the electromagnetic wave shielding material may be freely changed in shape, and can be brought in complete contact with a surface where the electromagnetic wave shielding material is intended to be disposed even if the surface has a curved shape such as an uneven portion or a stepped portion, thus exhibiting excellent electromagnetic wave shielding performance. Also, it is possible to prevent deterioration of the electromagnetic wave shielding performance even with various shape changes. Furthermore, even if parts are provided in a narrow area at a high density, the electromagnetic wave shielding material can be brought into complete contact with the mounted parts by overcoming a tight space between the parts and a stepped portion. Thus, the present invention can be easily employed for a light, thin, short, and small or flexible electronic device. |
| US10945357B2 |
Optical module cage with configurable heatsink
In one embodiment, an optical module cage includes a first opening for slidably receiving an optical module, a second opening positioned adjacent to the first opening for slidably receiving a riding heatsink separate from the optical module or an integrated heatsink connected to the optical module, and a guide rail interposed between the first opening and the second opening, wherein the guide rail is configured to support the riding heatsink and not interfere with insertion of the integrated heatsink. |
| US10945355B2 |
Power conversion device
Electronic components included in a power conversion unit are housed in a closed section of a first unit, and the first unit includes a heat sink exposed to an open section and releases heat transferred from the electronic components. A blower is housed in a first space of a second unit, and at least a portion of an impeller of the blower is exposed to a second space from an opening. A reactor is housed in a third unit. Outside air flows through a flow inlet into an interior of the power conversion device, passes through the open section, a first vent, the second space, the opening, the first space, a second vent, and the third unit, and then is discharged to the exterior of the power conversion device from a flow outlet. |
| US10945354B1 |
Cooling systems comprising fluid diodes with variable diodicity for two-phase flow control
A microchannel two-phase cooling apparatus includes a cooling manifold and a fluid diode array. The cooling manifold includes one or more fluid inlets, one or more fluid outlets, and a plurality of fluid channels extending between and fluidly coupling the one or more fluid inlets and the one or more fluid outlets. The fluid diode array includes a plurality of fluid diodes positioned within the cooling manifold. Individual fluid diodes of the fluid diode array are fluidly coupled to individual fluid channels. The fluid diode array includes a first set of fluid diodes having a first average diodicity and a second set of fluid diodes having a second average diodicity. The first average diodicity is greater than the second average diodicity and each individual fluid diode of the first set of fluid diodes has a greater diodicity than any individual fluid diode of the second set of fluid diodes. |
| US10945352B2 |
Cooling device and manufacturing method therefor
A cooling device of a heating element for an immersion type liquid cooling server, and a manufacturing method for the cooling device. The cooling device comprises: a metal substrate provided on the heating element and covering same. The metal substrate is adjacent to the surface of the heating element. The surface of the metal substrate distant to the heating element comprises a porous metal covering layer located above the heating element and covering same. The porous metal covering layer is exposed on the surface of the metal substrate remote from the heating element and has a thickness of less than 3 mm. By providing a metal substrate having a porous metal covering layer on the surface of a heating element, vaporization cores are improved, the boiling performance of the heating element is improved, and an efficient heat-dissipating effect on the surface of the heating element is achieved. |
| US10945348B2 |
Quick release connecting device
A quick release connecting device includes an actuating retainer having an internal receiving space, at least one first push section and a retaining section for detachably engaging with a first object; a fixing member including a body portion movably associated with the receiving space and a pivot portion formed on the body portion for detachably connecting with a second object; pin connection means connecting the body portion to the receiving space for the actuating retainer and the fixing member to move relative to each other within a limited range; an elastic element having two ends pressed against an inner wall surface of the receiving space and the body portion to control the limited movement of the actuating retainer and the fixing member and return them to their original positions. With the quick release connecting device, two mating objects can be conveniently repeatedly connected to and separated from each other. |
| US10945347B2 |
Techniques for making hermetic feedthroughs for enclosures
The disclosure describes various aspects of techniques that can be used for making hermetic feedthroughs for enclosures. For example, a panel that provides a hermetic seal to a system enclosure can include an enclosure board made of a printed circuit board (PCB) and configured to have a size and shape that precisely covers an access to the system enclosure, the enclosure board including multiple inner connectors on an inner side of the PCB facing the inside of the system enclosure and multiple outer connectors on an outer side of the PCB facing the outside the system enclosure for feeding one or more of signals or fluids (e.g., gases, liquids, vacuum) through the PCB by having inner and outer connectors connected through the PCB. The panel may further include a gasket fitting the size and shape of the enclosure board and used with the enclosure board to provide the hermetic seal. |
| US10945344B2 |
Electronic device including battery module and method for manufacturing the same
According to an embodiment of the present disclosure, an electronic device comprise a housing including a mounting hole in which a battery module is mounted and a printed circuit board disposed adjacent to the mounting hole and electrically connected with the battery module, wherein the battery module include a battery cell having a connector projecting in a first direction, a terminal circuit including at least one connecting terminal electrically connected with the connector, a supporting case disposed at a side of the battery cell, seating the terminal circuit therein, and having an opening to expose at least part of the connecting terminal of the terminal circuit, and at least one upper film unit disposed facing a surface of the supporting case to protect the battery cell or the terminal circuit. According to the present disclosure, an electronic device including a battery module eliminates the need for an FPCB, leading to cost savings and simplified assembly. |
| US10945342B2 |
Fastening assembly, holding mechanism, bracket and remote controller, using the holding mechanism
A fastening assembly includes a fastening member and an operating member movably sheathed on the fastening member. The fastening member includes a threaded part and a mating part connected to the threaded part. The operating member includes a snap-fitting part corresponding to the mating part. |
| US10945334B2 |
Wiring substrate
A wiring substrate includes a core layer, first conductor layers including first inner, outer and intermediate conductor layers, second conductor layers including second inner, outer and intermediate conductor layers, and interlayer insulating layers interposed between the first conductor layers and between the second conductor layers. The first and/or second inner conductor layers has a first laminated structure including a metal foil layer and a plating film layer, the first and/or second outer conductor layers has the first laminated structure, the first and/or second intermediate conductor layers has a second laminated structure including a metal foil layer and a plating film layer, and the first and second laminated structures are formed such that a surface of the second laminated structure on a side away from the core layer has unevenness smaller than unevenness of a surface of the first laminated structure on a side away from the core layer. |
| US10945332B2 |
Heat capacitive component carrier and method to produce said component carrier
The invention refers to a component carrier realized as a printed circuit board, an intermediate printed circuit board product or an IC-substrate, comprising at least one heat-passage component, said at least one heat-passage component being realized in form of a heat-generating or a heat-absorbing component that is mounted on an outside surface layer or is embedded within at least one inner layer of the component carrier, and further comprising at least one latent-heat storage unit with a phase-change material. The phase-change material is arranged within at least one cavity and integrated within a laminated build-up of the component carrier and is directly thermoconductively coupled with the at least one heat-passage component. The invention also refers to a method for producing said component carrier. |
| US10945324B2 |
External assessment device for a lighting system and method of assessing a lighting system
An assessment device for a lighting system, the device comprising: an input terminal which corresponds to an output terminal of a driver; an output terminal which corresponds to an input terminal of a light engine; a voltage regulator configured to provide power to the microcontroller, wherein the microcontroller is configured to sample an LED+ line voltage and an LED− line voltage with respect to a ground; and wherein the device is independent of the driver and the light engine. |
| US10945323B1 |
Detecting LED failure conditions
This disclosure includes systems, methods, and techniques for controlling a plurality of light-emitting diodes (LEDs). For example, a circuit includes a switching device, where the switching device is electrically connected to an LED of the plurality of LEDs, and where the switching device is configured to control whether the LED receives an electrical signal from a power source. Additionally, the circuit includes processing circuitry configured to determine that the LED is associated with a bright failure condition by attempting to prevent the LED from receiving the electrical signal from the power source using the switching device and disable the LED in response to detecting the bright failure condition. |
| US10945319B1 |
System, apparatus, and method for controlling lighting
An apparatus is disclosed. The apparatus has a controller, a main power source, an electrical converter configured to receive a first electrical signal from the main power source, and a capacitor electrically connected to the electrical converter. The apparatus also has an electrical selector switch electrically connected to at least one of the electrical converter and the capacitor, an electrical driver electrically connected to the electrical selector switch, at least one electrical output component electrically connected to the electrical driver, and at least one electrical component that is configured to receive a second electrical signal via the at least one electrical output component. The controller controls an operation of the at least one electrical component based on the second electrical signal, independently of control of the first electrical signal. |
| US10945318B2 |
Circuit assembly for operating a load
A circuit assembly for operating a load may include an input for inputting an input voltage and/or current. The circuit assembly may further include an output for outputting an output voltage and/or current. The circuit assembly may further include an at least partially digital switching regulator with a feedback loop. A loop gain of the feedback loop may be frequency-dependent where the frequency ranges from 3 Hz to 20 Hz. |
| US10945317B1 |
Five color temperature switching circuit
A five color temperature switching circuit includes a power supply, an LED driver, a first LED light, a second LED light, a third LED light, a first diode, a second diode, a third diode, a fourth diode, and a switch. The switch has twelve connecting ports. The switch has five regulating stages corresponding to the twelve connecting ports. Thus, the five color temperature switching circuit is provided with three LED lights with three different color temperature values, four diodes, and the switch, such that the lamp provides an illuminating function with five color temperature values. |
| US10945315B2 |
LED lighting system
An LED control system is provided for connection to an LED lighting system via a power line to control the LED lighting system using commands formed by manipulation of frequency and amplitude of a signal transmitted over the power line. The signal may be for example a wave or a sequence of pulses. The signal may be provided in superposition with line power or the line power may be formed as the signal. |
| US10945313B2 |
Methods and apparatus for a microwave batch curing process
In some embodiments, a process chamber for a microwave batch curing process includes: an annular body having an outer surface and an inner surface defining a central opening of the annular body, wherein the inner surface comprises a plurality of angled surfaces defining a first volume; a first lip extending radially outward from the outer surface of the annular body proximate a first end of the annular body; a second lip extending radially outward from the outer surface of the annular body proximate a second end of the annular body; an exhaust disposed between the first lip and the second lip and fluidly coupled to the first volume, wherein the exhaust comprises a plurality of first openings; a plurality of second openings fluidly coupled to the first volume, wherein the plurality of second openings are configured to expose the first volume to microwave energy; and one or more ports fluidly coupled to the first volume. |
| US10945312B2 |
Heating device
A heating device includes a holding member and having thereinside a plurality of resistive heating elements connected to different pairs of electrode terminals, and a columnar support member joined to the holding member. A first resistive heating element is disposed throughout a first region including a region that overlaps the columnar support member as viewed from the first direction and a second region that is located around an outer periphery of the first region and that does not overlap the columnar support member as viewed from the first direction. A second resistive heating element is disposed throughout the first region and the second region, and an amount of heat generated by the second resistive heating element per unit area of the first region is larger than an amount of heat generated by the second resistive heating element per unit area of the second region. |
| US10945311B1 |
High temperature substrate heater for use in high and ultra-high vacuum systems
A braze-free substrate heating device including a heater block body, a heater block lid, and a heating element. The heating element sits inside the heater block body. The heater block lid is on the heating element, such that the heating element is sandwiched between the heater block lid and the floor of the heater block body. The heating element is held in place by compressing the heater block lid into the heater block body and attaching the heater block lid to the top of the heater block body so that the heating element is fully supported over its surface area, and can maintain uniform thermal contact with the heater block lid and heater block body over its entire surface area. |
| US10945310B2 |
Method and device for wireless communication in UE and base station
A method and device for wireless communication in a UE and a base station is disclosed. The UE receives M first-type reference signals respectively in M first-type air interface resources, receives a first wireless signal, and transmits first report information. A first spatial reception parameter is used for reception of the first wireless signal. The measurement of only M1 first-type reference signal(s) of the M first-type reference signals is used to generate the first report information. The selection of the M1 first-type reference signal(s) is associated with the first spatial reception parameter. The disclosure reduces signaling and feedback overhead associated with beam management and channel measurement. |
| US10945304B2 |
Apparatus and method of transmitting/receiving signals in mobile communication system supporting carriers
The disclosure relates to methods and systems for converging a 5th-Generation (5G) communication system with technology for Internet of Things (IoT). The disclosure is applicable to intelligent services based on 5G communication and IoT-related technologies. A method for configuring a connection by a terminal is provided, which includes receiving a radio resource control (RRC) message from a base station, determining whether semi-persistent scheduling (SPS) and transmission time interval (TTI) bundling are configured based on the RRC message, determining whether dual connectivity is configured, if the SPS and the TTI bundling are configured, determining whether the TTI bundling is configured for master cell group (MCG) and the SPS is configured for secondary cell group (SCG), if the dual connectivity is configured, and configuring an RRC connection based on the RRC message, if the TTI bundling is configured for the MCG and the SPS is configured for the SCG. |
| US10945303B2 |
UE identifier in RRC resume
Systems and methods relating to resuming a suspended connection of a wireless device in a wireless system are disclosed. In some embodiments, a method of operation of a wireless device comprises receiving (100), from a first network node, a first message that instructs the wireless device to suspend a connection between the wireless device and the wireless system. The method further comprises, upon an occurrence of a triggering event, transmitting (108), to a second network node, a second message that requests that the connection. The second message comprises a resume identifier that comprises a part that identifies the first network node and a part that identifies the wireless device. The method further comprises receiving (116), from the second network node, a third message that indicates that the connection between the wireless device and the wireless system is being resumed. |
| US10945302B2 |
Managing race conditions between circuit switched fallback requests
Circuit switched fallback (CSFB) requests may be managed. A mobile management entity (MME) can detect one or more pending CSFB requests. In response to detecting the pending CSFB request(s), the MME can generate a message that indicates the one or more pending CSFB requests, and can communicate the message to one of a mobile switching center (MSC) and a virtual location register (VLR). |
| US10945299B2 |
Overshoot analysis based on user equipment metrics
User equipment (UE) can include a network analyzer to capture network metrics to monitor conditions of cell coverage and coverage overlap. In some instances, the UE is served by a neighboring cell located further away instead of the nearest cell due to coverage overlap. The UE can capture data representing network metrics and can report such data to a network device to further aggregate the data and to generate reports. The network device can use the aggregated data to perform overshooting analysis, which may include determining transmission power of neighboring cells that overlap with coverage of a target cell. The aggregated data may be used to determine an overshoot index for a cell. A cell with high overshoot index may be designated an overshooter cell. The parameters of an overshooter cell may be modified to reduce interference between cells. |
| US10945298B1 |
System, method, and computer program for selecting a communication network to utilize based on knowledge and artificial intelligence (AI)
A system, method, and computer program product are provided for selecting a communication network to utilize based on knowledge and at least one artificial intelligence (AI) algorithm. In operation, a user device identifies a plurality of communication networks to which to potentially connect. The user device accesses knowledge associated with the plurality of communication networks to determine a communication network to utilize. The knowledge includes information associated with historical data, present data, and future data. The user device selects the communication network to utilize based on the knowledge and at least one algorithm (e.g. an artificial intelligence algorithm, etc.). Moreover, the user device connects to the communication network for performing at least one activity. |
| US10945297B2 |
Terminal device, base station device, and usable architecture determination method
A terminal device is configured to establish a communication link with communication equipment through a base station device such that, upon establishing the communication link, part of the communication link is left for a certain base station while another part of the communication link is established with the terminal device through the other base station device according to a plurality of architectures, wherein the terminal device includes a wireless communication part configured to transmit support architecture information representing an architecture supported by the terminal device among a plurality of architectures to the base station device. |
| US10945291B2 |
Methods and apparatus supporting random access procedures in a wireless network
A method performed by a wireless device (130) is described herein. The wireless device (130) operates in a wireless communications network (100). The wireless device (130) provides (602) a message to be sent to a network node (110) operating in the wireless communications network (100). The message is a first scheduled message to be sent to the network node (110) in a random access procedure. The message comprises a first indicator (707) of a type of the message. The type of message has: a) a fixed size SDU (702), and b) a one byte header (704) comprising the first indicator (707) and lacking a second indicator (713) of a length of a payload. The wireless device (130) also initiates sending (603) the provided message to the network node (110). Also described is a method performed by the network node (110) receiving (1307) and initiating processing (1302) the message, based on the first indicator (707). |
| US10945290B2 |
Random access using supplemental uplink
Systems, apparatuses, and methods are described for wireless communications. A base station may configure a plurality of random access configurations for a wireless device on different uplink carriers, such as a supplemental uplink carrier and a non-supplemental uplink carrier. The wireless device may fall back to a second uplink carrier if a random access procedure fails on the first uplink carrier. |
| US10945287B2 |
Uplink (UL) to downlink (DL) channel occupancy time (COT) sharing with scheduled UL in new radio-unlicensed (NR-U)
Wireless communications systems and methods related to sharing a channel occupancy time (COT) associated with a scheduled UL transmission in a frequency spectrum shared by multiple network operating entities are provided. A first wireless communication device communicates, with a second wireless communication device, a first uplink (UL) scheduling grant. The first wireless communication device communicates, with second wireless communication device, a first UL communication signal based on the first UL scheduling grant during a first COT, the first COT based on an extended clear channel assessment (eCCA) associated with the first UL communication signal. The first wireless communication device communicates, with the second wireless communication device, a downlink (DL) communication signal during the first COT based on COT sharing information associated with the first COT. |
| US10945286B2 |
Beam-specific system information scheduling window design
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may observe control channel monitoring occasions (PMOs) corresponding to different beams configured by a base station. The UE may identify a PMO in a system information window to monitor for downlink control information scheduling a shared channel carrying a system information message. The UE may receive an indication of which synchronization signal/physical broadcast channel (SS/PBCH) blocks are actually transmitted by the base station and determine corresponding PMOs within the system information window. The UE may then monitor for the downlink control channel within the system information window during the corresponding PMOs. The base station and the UE may also implement techniques for system information message repetition within a system information window. |
| US10945284B2 |
Method and apparatus for sending uplink control information for multi-radio access technology operation
A method and apparatus for sending uplink control information by a multi-mode wireless transmit/receive unit (WTRU) capable of operating on multiple component carriers of a plurality of radio access technologies (RATs) for multi-RAT operation are disclosed. The WTRU may generate uplink control information (UCI) pertaining to a first RAT and a second RAT, wherein the UCI may include a first plurality of hybrid automatic repeat request acknowledgements (HARQ-ACKs) pertaining to a plurality of downlink (DL) transmissions of the first RAT and a second plurality of HARQ-ACKs pertaining to a plurality of DL transmissions of the second RAT. The WTRU may multiplex at least part of the generated UCI pertaining to the first RAT and at least part of the generated UCI pertaining to the second RAT onto a physical channel on a component carrier of the second RAT. |
| US10945278B2 |
User equipment, base station, wireless communication network, data signal and method to provide enhanced SPS control and continuous SPS after handover
In the field of wireless communication networks or systems in which a user equipment is configured with semi-persistent scheduling, a first aspect of the invention provides for continuous or non-interrupted SPS of the user equipment after a handover, and a second aspect of the invention provides an enhanced control signaling for a user equipment configured with SPS to reduce the signaling overhead. |
| US10945268B2 |
UE initiated beam management procedure
Apparatuses, systems, and methods for a wireless device to perform user equipment (UE) initiated beam management procedures with a base station or gNB. A wireless device in communication with a 5G base station may detect degradation in the pair of transmit and receive beams between the gNB and the device. The device may select a preferred beam management procedure and indicate the preference to the gNB. |
| US10945264B2 |
Method and apparatus for applying slot format indication (SFI) to a cell in unlicensed spectrum in a wireless communication system
A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), a Slot Format Indication (SFI) is received within a first Channel Occupancy Time (COT) of a serving cell. The SFI is indicative of one or more slot formats of one or more slots of the serving cell. A first signal indicative of an ending position of the first COT is received. A beginning of at least one slot of the one or more slots is after the ending position. The UE determines whether to apply a slot format, of a slot of the one or more slots, to the slot based upon whether the slot is within the first COT, wherein the slot format of the slot is indicated by the SFI. |
| US10945260B2 |
Methods and network nodes for enhanced radio resource deployment
The present disclosure presents method, network nodes and computer program for improving a dual band user equipment, UE/STA, mobility from a first access node, e.g. an eNB, arranged to operate according to a first radio access technology to at least one second access node, e.g. a WLAN AP, arranged to operate according to a second radio access technology. A communications interface is arranged for direct communication between the first access node and the respective second access node. The method, as performed in the first access node, comprises retrieving (S32) resource management related information of the second access node relevant for the user equipment UE/STA over the communications interface. Radio resources provided to the dual-mode user equipment, UE/STA, by both the first and the second access node, are coordinately controlled (S33), over the communications interface, based on the retrieved resource management related information and internal resource management related information for the first node. |
| US10945252B2 |
Method and apparatus for transmitting and receiving control channel and data channel for NR system
Provided is a scheduling information transmission/reception method and apparatus for an NR system in a wireless communication system. A method for receiving, by a terminal, scheduling information for data transmission or reception in a wireless communication system according to one aspect of the present invention may comprise the steps of: receiving, from a base station, information indicating a first physical resource supporting a first subcarrier spacing within a time interval and a second physical resource supporting a second subcarrier spacing within the time interval; receiving at least one of first scheduling information for the first physical resource and second scheduling information for the second physical resource; and performing the data transmission or reception on the basis of the at least one of the first scheduling information and the second scheduling information. |
| US10945251B2 |
User equipments, base stations and methods
A user equipment (UE) is described. The UE includes a higher layer processor configured to acquire a first radio resource control (RRC) configuration including first information for indicating a control resource set (CORESET) duration, and to acquire second RRC configuration including second information for indicating physical downlink control channel (PDCCH) monitoring symbols. The UE also includes receiving circuitry configured to monitor a PDCCH, based on the first information and the second information. The CORESET duration is set to a value larger than 1. The second information is bitmap information. Each bit of the bitmap information corresponds to a respective OFDM symbol in a slot. The bit of which value is set to 1 indicates a start of a PDCCH monitoring occasion. The bitmap information is set such that any two adjacent PDCCH monitoring occasions do not overlap with each other. |
| US10945244B2 |
System and method for small traffic transmissions
A grant-free transmission mode may be used to communicate small traffic transmissions to reduce overhead and latency. The grant-free transmission mode may be used in downlink and uplink data channels of a wireless network. In the downlink channel, a base station transmits packets to a group of UEs in a search space without communicating any transmission code assignments to the UEs. The UEs receive the downlink packets using blind detection. In the uplink channel, UEs transmit packets in an access space using assigned access codes which are either independently derived by the UEs or otherwise communicated by the base station using a slow-signaling channel. Hence, the grant-free transmission mode allows mobile devices to make small traffic transmissions without waiting for uplink grant requests. |
| US10945241B2 |
Terminal and radio communication method
The invention aims to perform UL transmission in an appropriate manner even when using short transmission time intervals (TTIs). A user terminal includes a transmission section that performs the UL transmission using at least one of a plurality of TTIs contained in one subframe of existing systems, and a control section that controls allocation of an UL signal and/or an UL channel. The TTI is constituted of an even number of symbols of the existing system. The control section allocates an uplink control channel on the basis of the TTI. |
| US10945237B2 |
Method and apparatus for performing uplink transmission for NB-IoT in wireless communication system
A method and apparatus for transmitting a physical uplink shared channel (PUSCH) and a demodulation reference signal (DM-RS) in a wireless communication system is provided. A narrowband internet-of-things (NB-IoT) user equipment (UE) configures a set of resource units with at least one tone for uplink transmission in NB-IoT, transmits the PUSCH by using the set of resource units, and transmits the DM-RS used for demodulating the PUSCH by a network in the set of resource units. |
| US10945236B2 |
Method for sensing resource for direct communication between terminals in wireless communication system and device therefor
The present application provides a method for transmitting or receiving a sidelink signal by a terminal in a wireless communication system. Specifically, the method for transmitting or receiving a sidelink signal comprises the steps of: transmitting a first sidelink signal during a transmission period by using a transmission resource selected among resource units included in a first transmission resource pool; monitoring resource units included in a second transmission resource pool; and transmitting a second sidelink signal during the transmission period by using a selected transmission resource on the basis of a result of the monitoring among the resource units included in the second transmission resource pool when a resource pool changes from the first transmission resource pool to the second transmission resource pool, wherein the second transmission resource pool is included in a reception resource pool corresponding to the first transmission resource pool. |
| US10945235B2 |
Mobile communication system
A first radio terminal transmits and receives a radio signal by using a limited frequency band limited to a bandwidth of a predetermined number of resource blocks. A second radio terminal transmits and receives a radio signal by using a frequency band wider than the limited frequency band. A base station transmits configuration information of SC-MTCH by SC-MCCH. The base station sets a first period to the first radio terminal and sets a second period shorter than the first period to the second radio terminal as an SC-MCCH change period in which the configuration information of the SC-MTCH can be changed. The base station receives an MBMS interest indication from the first radio terminal, the first radio terminal being in a connected mode, and determines whether or not to shift the first radio terminal to an idle mode based on the MBMS interest indication. |
| US10945230B2 |
System and method for automatic redirection of wireless client to nearby wireless hotspot device
A wireless network gateway redirects a wireless client device to a wireless network hotspot device. The wireless network gateway includes a hotspot location determining component, a client location determining component, a redirecting component and a communication component. The hotspot location determining component determines the location of the wireless network hotspot device. The client location determining component determines the location of the wireless client device. The redirecting component generates a redirection instruction based on the location of the wireless network hotspot device and the location of the wireless client device. The communication component transmits the redirection instruction to the wireless client device to instruct the wireless client device to redirect to the wireless network hotspot device. |
| US10945228B2 |
Method for determining uplink transmission timing of terminal having plurality of cells configured therein in wireless communication system, and apparatus using the method
Provided is a method for determining an uplink transmission timing of a terminal having a plurality of cells configured therein, and a terminal using the method in a wireless communication system. The method comprises receiving timing advance (TA) configuration information, and determining an uplink transmission timing for each of the two cells on the basis of the TA configuration information, wherein the plurality of cells comprise a first cell using a frequency division duplex (FDD) frame structure and a second cell using a time division duplex (TDD) frame structure. |
| US10945227B2 |
Method and device for signal measurement
Embodiments of the disclosure generally relate to configuring a measurement gap. A network device obtains information about a first frequency region and a second frequency region. The first frequency region is being used for transmitting a first synchronization signal from a serving cell managed by the network device, and the second frequency region is used for transmitting a second synchronization signal from a neighbor cell of the serving cell. Then, the network device determines a configuration for a measurement gap based on the first and second frequency regions, and transmits the configuration for the measurement gap to the terminal device. |
| US10945219B2 |
System and method for a wireless network having multiple station classes
Methods and protocols are discussed to address IoT coexistence with existing WLAN devices and protocols. Some embodiments allow for the IoT devices to be located further from the Access Point than other devices, and provide higher power solutions to serve these long range devices. New IoT Frame structures are disclosed to allow for the above. |
| US10945218B2 |
Signal transmission method, terminal device, and network device
Embodiments of this application disclose a signal transmission method, a terminal device, and a network device. The method includes: determining, by a terminal device, information indicating a channel state information-reference signal (CSI-RS) resource, the information corresponding to a target uplink signal; determining, by the terminal device, a power control parameter of the target uplink signal according to the information indicating the CSI-RS resource; determining, by the terminal device, a transmit power of the target uplink signal according to the power control parameter; and sending, by the terminal device, the target uplink signal to the network device according to the transmit power. The method, the terminal device, and the network device in the embodiments of this application help improve the accuracy of power control, so that system transmission performance can be improved. |
| US10945216B2 |
Uplink power control
Apparatuses, methods, and systems are disclosed for uplink power control. One method includes receiving uplink power control parameters. The method includes determining a first transmit power for the first uplink transmission based on a corresponding first set of uplink power control parameters. The method includes determining a second transmit power for the second uplink transmission based on a corresponding second set of uplink power control parameters. The method includes performing the first uplink transmission using a first uplink transmission beam pattern or a first spatial domain transmission filter based on the first transmit power. The method includes performing the second uplink transmission using a second uplink transmission beam pattern or a second spatial domain transmission filter based on the second transmit power. |
| US10945207B2 |
Beacon signal processing system and filtering method of reducing wake-up frequency
A beacon signal processing system of reducing wake-up frequency periodically receives a beacon signal from an access point. The beacon signal processing system, according to a data transfer type of a traffic indication message contained in the beacon signal, maintains a sleep mode or only wakes up part of modules of hardware and software necessary for communication for processing. |
| US10945206B2 |
System and method for configurable low-power wake-up detection
This specification discloses methods and devices to enable high resolution configuration of a low-power wake-up detector (LP Detector), which in turn is implemented allowing for very coarse threshold detection (i.e., the detectable threshold levels are widely spaced apart from each other) due to power consumption and design reasons. Based on this invention, the detection resolution can be enhanced from 10 mV steps to <1 mV steps. This makes the detection configuration more accurate, which allows for improved calibration, and reduces false wake-ups by smartly controlling hardware at no additional cost in power consumption. In some embodiments, the invention to enable high resolution configuration of a low-power wake-up detector (LP Detector) can be implemented by using a wake-up threshold control to control both a low-power wake-up detector (LP Detector) and an attenuator belonging to a receiver. |
| US10945203B2 |
Wake-up method, station, and access point
This application provides a wake-up method, a station, and an access point. The method is performed in a communications system. The communications system can include an access point (AP) and at least one station (STA). The AP includes a wake-up transceiver (WUR) and a main transceiver. The method can include determining, by a first STA, that the AP is in a sleep state, where when the AP is in the sleep state, the main transceiver of the AP is in an off state. The method can also include transmitting, by the first STA, a wake-up frame to the WUR of the AP, where the wake-up frame triggers the WUR of the AP to wake up the main transceiver of the AP. Therefore, an uplink data transmission latency can be reduced. |
| US10945199B2 |
Vehicle-mounted gateway apparatus and vehicle mounted gateway system
A vehicle-mounted gateway apparatus according to an embodiment includes a communication device including an external communication interface for connection to the network outside the mobile body with each of a plurality of different external communication schemes and an internal communication interface for connection to each of the plurality of data sources within the mobile body; and a control device configured to transmit data collected from each of the data sources through the internal communication interface to the network outside the mobile body. The control device includes a communication channel selection section configured to select a communication channel from the plurality of external communication schemes for each of the data sources, and a monitoring control section configured to monitor data output from each of the data sources and to transmit the data to the network outside the mobile body over a selected one of the communication channels associated with the data source. The communication channel selection section is configured to switch between the communication channels associated with each of the data sources depending on a communication connection state of each of the plurality of external communication schemes based on priority setting in which the plurality of external communication schemes are arranged in a predetermined priority order. |
| US10945197B2 |
Electronic device for providing AP list and method for operating electronic device
An electronic device and method are disclosed herein. The electronic device includes a communication module, a display, a memory and a processor which implements the method. The method includes receiving access point (AP) information from at least one AP through the communication module, generating an AP list including an AP communicatively connectable with the electronic device based on the received AP information, storing the AP list in the memory, identifying a state of the electronic device, determining an arrangement criterion for arranging a display order of Aps included in the AP list based on state information about the electronic device, and controlling the display to arrange the AP list according to the determined arrangement criterion. |
| US10945193B2 |
Congestion control in a network
The present invention provides a congestion control method and apparatus. The method includes: sending, by a user equipment, a first network connection request to a network device of a first mobile network; receiving, by the user equipment, a first network connection rejection message from the network device, where the first network connection rejection message includes network switching indication information, where the network switching indication information is used for instructing the user equipment to switch to a second mobile network, and the network switching indication information is from a subscription manager SM; and accessing, by the user equipment, the second mobile network according to the network switching indication information. The present invention ensures normal execution of a service on an eUICC user equipment when network congestion occurs. |
| US10945185B2 |
Method and apparatus for supporting fast link recovery and link status reporting in wireless communication system
A method and apparatus for supporting a fast link recovery and link status reporting in a wireless communication system is provided. When a node detects a radio link problem on a wireless backhaul link between integrated access and backhaul (IAB) nodes from the node to a donor node of an TAB network, the node reselects a cell operated by a gNB which is directly connected to the donor node, and performs a random access procedure towards the cell operated by the gNB to report information on the radio link problem to the cell. The donor node may establish a new path for the node. |
| US10945179B2 |
Communication path switching method and device
A communication path switching method includes: sending, by first user equipment, a first message to a first network device, where the first message is used to request to switch a communication path of the first user equipment from a direct path to an indirect path; receiving, by the first user equipment, a second message sent by the first network device, where the second message carries at least one of first bearer configuration information and first indication information that is used to instruct the first user equipment to perform the communication path switching; and performing, by the first user equipment, the communication path switching based on the first indication information. |
| US10945172B2 |
Power control for bandwidth part switching
Systems, apparatuses, and methods are described for wireless communications. A base station may configure a power control process associated with a wireless device. Closed-loop power control (CL-CP) for the wireless device may be reset based on a change of channel conditions. The wireless device may change a transmit power and/or reset the CL-CP based on various conditions. |
| US10945169B2 |
Base station, mobile communication system and handover control method
A base station, a mobile communication system and a handover control method are provided, which are capable of preventing a handover failure and a ping-pong handover phenomenon which are caused by an interference from a neighboring cell to a serving cell. When a received power difference (S2−S1) between a received power S2 from a neighboring second base station, which is fed back from a mobile station, and a received power S1 from first base station, becomes larger than a predetermined threshold value, the first base station to which the mobile station is connected requests the second base station to stop a transmission of a downlink signal including at least one of a data signal and a control signal. In response to the transmission-stop request, the second base station performs a determination of a radio resource in which the transmission of the downlink signal is to be stopped and a notification of the radio resource to the first base station, and stops a transmission of a downlink signal. The first base station allocates the radio resource notified from the second base station or a radio resource partially including the notified radio resource, as a radio resource used for the downlink signal to the mobile station. |
| US10945166B2 |
Distributed processing for determining network paths
Provided is a process including: advertising a plurality of values corresponding to computing components to peer nodes of a peer-to-peer network; storing the plurality of values in a tamper-evident, distributed ledger; determining a target data center in the distributed computing environment, wherein the target data center performs computations based on data sent from a mobile computing device, and wherein the target data center executes a peer node of the peer-to-peer network; determining a network path that is linked to the target data center based on a distance to the target data center; and transferring a packet from the target data center, wherein the packet traverses the network path and comprises one or more computation results from the target data center. |
| US10945164B2 |
Method in a base station of a communication system for making a handover decision, base station, computer programs, and computer program products
The invention relates to a method (20) in a base station (2, 3) of a communication system (1) for making a handover decision, the communication system 1 comprising a user equipment (4, 5). The method (20) comprises the steps of: performing (21) a first type of mobility mechanism for the user equipment (4, 5), and upon the first type of mobility mechanism fulfilling a criterion: configuring (22) a second type of mobility mechanism for the user equipment 4, 5, and making (23) a handover decision for the user equipment (4, 5) based on the second type of mobility mechanism. The invention also relates to a base station, computer programs and computer program products. |
| US10945161B2 |
Priority access license holder protection
According to one configuration, a communication management resource in a wireless network environment records a location of a wireless base station. The communication management resource then defines a region of wireless coverage provided by the wireless base station based on feedback received from the wireless base station. For example, in one arrangement, the user equipment provides performance metrics to the wireless base station. The wireless base station uses the performance metrics to determine boundaries associated with a region of wireless coverage provided by the wireless base station. The wireless base station communicates the boundary information to the communication management resource. Subsequent to identifying the location of the wireless base station and defining the determined region of wireless coverage associated with the wireless base station, the communication management resource then controls allocation of wireless bandwidth in a vicinity of the region of wireless coverage to protect the wireless base station from interference. |
| US10945149B1 |
Time domain behavior and QCL relation for SINR measurement
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling that configures a channel measurement resource and an interference measurement resource within a same time interval. The UE may transmit a measurement report that indicates a signal to interference plus noise ratio (SINR) measurement that is generated based on measuring the channel measurement resource and the interference measurement resource. In some cases, the UE may receive a quasi co-location (QCL) relationship indicator that indicates a QCL relationship for the interference measurement resource or the channel measurement resource. The UE may measure the channel measurement resource and the interference measurement resource in accordance with the QCL relationship. |
| US10945145B2 |
Network reconfiguration using genetic algorithm-based predictive models
An example method may include a processing system including at least one processor determining a final weight set comprising weight factors to apply to each of a plurality of performance indicators for a predictive model associated with a target performance indicator using a genetic algorithm. The method may further include the processing system gathering a first plurality of measurements of the plurality of performance indicators for at least a portion of a cellular network, applying the predictive model to the first plurality of measurements of the plurality of performance indicators to generate a prediction for the target performance indicator, and adjusting at least one aspect of the cellular network in response to the prediction. |
| US10945135B2 |
Radio station, radio terminal, and method therefor
A radio station (1) is configured to transmit to a radio terminal (3), on a licensed frequency (Cell #1), a notification regarding detection of proximity to a non-serving cell (Cell #2) on an unlicensed frequency (S102) and to receive from the radio terminal (3), on the licensed frequency (Cell #1), a result of the detection performed by the radio terminal (3) in response to the notification. This contributes, for example, to acquisition of information useful for the radio station to determine whether to allow the radio terminal to perform communication on the unlicensed frequency. |
| US10945122B2 |
Network node, communication device and method for idle mode positioning configuration
A wireless communication device (330) and method therein for performing positioning related measurement during idle mode in a wireless communication networks (300) are disclosed. The wireless communication device (330) is capable of wireless communication with at least a first network node (320) in a first cell (310). The wireless communication device (330) obtains information on a specific configuration associated with positioning measurements to be performed in idle mode. The wireless communication device (330) performs positioning related measurements based on the obtained information and provides (430) the positioning related measurements to the first network node. |
| US10945120B2 |
Methods, systems, and computer readable media for dynamically provisioning and using public land mobile network (PLMN) location mappings in service capability exposure function (SCEF) or network exposure function (NEF)
A method for dynamically provisioning and using PLMN location mappings includes, in an SCEF or NEF, receiving, from a PLMN network node, a message containing a PLMN location identifier and a non-PLMN location identifier, extracting the PLMN location identifier and the non-PLMN location identifier from the message and storing, in a PLMN location mapping database in the SCEF or NEF, a mapping between the PLMN location identifier and the non-PLMN location identifier. The method further includes receiving, via a monitoring interface of the SCEF or NEF, a monitoring request message requesting IoT device information and including a non-PLMN location identifier. The method further includes locating an entry in the PLMN location mapping database corresponding to the non-PLMN location identifier, extracting a PLMN location identifier from the database, using the PLMN location identifier extracted from the database to obtain IoT device information, and responding to the monitoring request message with the IoT device information. |
| US10945112B2 |
Systems and methods for updating a mobile device
A method and device for delivering one or more keys to an offline mobile communication device are provided. The method includes receiving the one or more keys from a backend issuance system, preparing the one or more keys for delivery to the offline mobile communication device via a short-to-medium communication channel, and transmitting the one or more keys to the offline mobile communication device via the short-to-medium range communication channel. |
| US10945108B2 |
Relocation of mobile edge applications
Based on control data (1002) indicative of a user engagement in a mobile edge application (1001) which is being executed on a source mobile edge server (201-203) of a mobile edge system (200) and on a terminal (130), relocation of the mobile edge application (1001) from the source mobile edge server (201-203) to a target mobile edge server (201-203) is facilitated. |
| US10945103B2 |
Dynamic network slice-switching and handover system and method
Aspects of the subject disclosure may include, for example, receiving a request to allow a wireless device accessing a network service by a first portion of a network to access the service via a second portion of the network operating within a different spectral region, wherein control operations are separate from data forwarding operations and configured to facilitate a forwarding of user data via the data forwarding operations. The first and second wireless spectral regions are different ones of managed and unmanaged spectral regions. The request is evaluated and a redirection of the forwarding of the user data facilitated via the data forwarding operations to the second portion of the network, responsive to the request, the request being initiated via the control operations, without interrupting the forwarding of the user data via the data forwarding operations. Other embodiments are disclosed. |
| US10945102B2 |
Method and apparatus for transmitting and receiving in communication system
The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for transmitting data in a base station (BS) in a communication system is provided. The method includes transmitting data to a plurality of stations (STAs) included in a group on a first sub-frame based on a schedule preset based on a time division duplexing (TDD) scheme; and receiving acknowledgement (ACK) signals from each of the plurality of STAs on a second sub-frame after a first interval from the first sub-frame. |
| US10945100B2 |
Carrier capability signaling with regard to multiple carrier numerologies
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a capability of the UE relating to a carrier configuration of the UE, wherein the carrier configuration relates to carriers of at least two different numerologies; and transmit information identifying the capability, wherein the information identifying the capability identifies a bandwidth or number of carriers that is supported for carriers of a first numerology and one or more scaling values associated with one or more numerologies other than the first numerology. A base station may receive information identifying a capability of a UE relating to a carrier configuration of the UE, wherein the carrier configuration relates to carriers of at least two different numerologies; and determine a configuration for communication with the UE based at least in part on the information identifying the capability. Numerous other aspects are provided. |
| US10945099B2 |
Methods, user equipment and radio network node for multimedia broadcast multicast service
A method and a user equipment as well as a method and a radio network node for multimedia broadcast service are disclosed. The radio network node sends, on a physical downlink control channel of the carrier, downlink control information using a multicast network identifier. The downlink control information includes a bit indicating whether or not at least two emergency notifications are broadcast on the carrier, and a notification relating to a change of a multicast channel of the carrier. The user equipment receives, on a physical downlink control channel of the carrier, downlink control information using a multicast network identifier. The user equipment behaves as if at least two fields relating to indication of said at least two emergency notifications are set to one in a paging message for the user equipment, when the bit is set to one. |
| US10945098B2 |
Location-based context information sharing in a messaging system
Methods, systems, user interfaces, media, and devices are described for sharing the location of participants of a communication session established via a messaging system. Consistent with some embodiments, an electronic communication containing location information is received from a location sensor coupled to a first client device. A current location of the first user is determined based on the location information. A current location of the first user is displayed, on a display screen of a second client device, the current location of the first user being displayed within a messaging UI during a communication session between the computing device and the second computing device. The location information may be updated during the communication session as messages are exchanged and as a current location changes. Various embodiments may include additional information with the current location, such as a time period associated with the location, or other such information. |
| US10945094B2 |
Social media systems and methods and mobile devices therefor
Methods, systems, and mobile devices for providing users with social media-related information about other users based on the relative geographic locations of the users. |
| US10945093B2 |
Systems and methods for locating a tracking device
The principles described herein provide methods and systems for locating a tracking device. In particular, one disclosed method includes associating a user with a tracking device, receiving an indication that the tracking device is lost, setting a flag indicating that the tracking device is lost, receiving a location within a proximity of the tracking device from one of a plurality of mobile devices associated with a community of users, and providing the location to the user. |
| US10945087B2 |
Audio device arrays in convertible electronic devices
One embodiment provides an apparatus, including: a device housing; a sensor disposed within the device housing; a plurality of audio devices disposed within the device housing; a processor operatively coupled to the plurality of audio devices; and a memory storing instructions executable by the processor to: activate a first set of the plurality of audio devices; detect, using the sensor, a use mode; and change, using the processor, to a second active set of the plurality of audio devices based on the use mode. Other embodiments are described and claimed. |
| US10945082B2 |
Configurable hearing device for use with an assistive listening system
A hearing device adapted for use by a wearer comprises an audio streaming circuit configured to receive electromagnetic audio streaming via a first communication link. A configuration circuit is configured to receive configuration parameters via a second communication link different from the first communication link for configuring the hearing device to receive the electromagnetic audio streaming. Control circuitry of the hearing device configures the hearing device to enable reception of the electromagnetic audio streaming in accordance with the received configuration parameters. |
| US10945081B2 |
Low-latency streaming for CROS and BiCROS
Disclosed wireless systems, devices, and methods can leverage existing hardware for BLE communications to provide a low-latency streaming (LLS) link suitable for supporting CROS and BiCROS features in hearing aids. An illustrative embodiment of a low-latency audio streaming method includes: (a) sending intermittent packets of digital audio data as a wireless signal; and (b) for each intermittent packet: (A) listening for a responsive packet; and (B) sending the digital audio data in a retransmitted packet only if no responsive packet is detected. Any retransmitted packet that is sent follows the corresponding intermittent packet with a delay no greater than a length of two interframe spacing (IFS) intervals separated by a responsive packet. An illustrative embodiment of a low-latency audio streaming device includes a transmit chain and a receive chain. The transmit chain periodically transmits intermittent packets of digital audio data as a wireless signal. The receive chain operates to detect a responsive packet to each intermittent packet. The transmit chain retransmits a packet of digital audio data each time the receive chain fails to detect a responsive packet, ensuring a delay no greater than a length of two IFS intervals separated by a responsive packet. |
| US10945080B2 |
Audio analysis and processing system
An audio analysis and processing system with a processor configured with an audio array input thread connected to a plurality of audio input channels each corresponding to an audio input sensor. An audio input sensor may be positionally related to a position of other audio input sensors and a source input thread may be configured to be connected to a microphone audio input channel. An audio output thread may be configured to be connected to a speaker output channel and a beamformer thread may be responsive to the audio array input thread. A beam analysis and selection thread may be connected to an output of the beamformer thread and a mixer thread may have a first input connected to an output of the source input thread and a second input connected to an output of the beam analysis and selection thread and may have an output connected to the audio output thread. The audio input channel may be connected to the personal communication device. The microphone audio input channel may be connected to the personal communication device. The processor may include a line output thread configured to connect to an audio output channel. An audio information interface may be provided to connect signals representing audio to the processor. |
| US10945070B2 |
Unmanned aircraft, information processing method, and recording medium
An unmanned aircraft includes: a sensor that includes at least a microphone that generates sound data; and a processor. The processor determines the quality of a target sound by use of the sound data generated by the microphone, identifies a sound source direction from the unmanned aircraft to the sound source of the target sound by use of data generated by the sensor, and controls an unmanned aircraft state that is a state of the unmanned aircraft such that a direction of a sound pickup area is aligned with the sound source direction, in accordance with the determined quality. The sound pickup area is a range in which sound pickup quality of the microphone is higher than that of another area. |
| US10945067B2 |
Area reproduction method, computer readable recording medium which records area reproduction program, and area reproduction system
An area reproduction method includes converting a sound pressure distribution at each frequency of a reproduced sound from a sound pressure distribution in a frequency domain into a sound pressure distribution in a spatial frequency domain. The reproduced sound is realized on a control line, including a reproduction line in which sound waves emitted from a speaker array including a plurality of speakers arranged intensify with each other, and a non-reproduction line in which the sound waves weaken with each other. The method includes determining a spatial frequency for use in adjustment of the reproduced sound, in the sound pressure distribution in the spatial frequency domain, based on a positional relationship between the speaker array and the control line, and adjusting a sound pressure of the reproduced sound, which is to be output by each of the plurality of speakers using the determined spatial frequency. |
| US10945066B2 |
Vibration-proof fixing structure for vibration-generating component and electronic device including the same
A vibration-proof structure and electronic device utilizing the same is disclosed. The electronic device includes a housing in which a display or a circuit board is mounted. The electronic device further includes a vibration-generating component mounted within the housing a vibration-proof member coupled with the vibration-generating component, the vibration-proof member having an insertion hole formed centrally therein, and a fixing protrusion protruding from a surface of the housing, the fixing protrusion having an extended shoulder disposed at an end of the fixing protrusion, and inserted into the insertion hole of the vibration-proof member to dampen vibrations from the vibration-generating component when the housing is coupled to the vibration-proof member and the vibration-generating component. |
| US10945062B2 |
Headphone with off-ear and on-ear detection
A headphone having a speaker, a feedforward microphone, a feedback microphone, and an OED processor. The speaker is configured to transmit an audio playback signal based on a headphone audio signal. The feedforward microphone is configured to sense an ambient noise signal and transmit a feedforward microphone signal based at least in part on the ambient noise signal. The feedback microphone is configured to sense a total audio signal and transmit a feedback microphone signal based at least in part on the total audio signal, in which the total audio signal is the sum of the audio playback signal and at least a portion of the ambient noise level. The OED processor is configured to determine whether the headphone is off ear or on ear, based at least in part on the headphone audio signal, the feedforward microphone signal, and the feedback microphone signal. |
| US10945061B2 |
Acoustic protective cover including a curable support layer
A protective cover assembly is disclosed that includes a membrane and a layered assembly bonded to the membrane. The membrane is positioned in an acoustic pathway and has a first side and a second side, the first side facing toward an acoustic cavity and the second side of the membrane facing toward an opening of the acoustic pathway. The layered assembly includes at least one curable support layer bonded to a side of the membrane formed of a polymer adhesive and defining at least a portion of a wall for the acoustic pathway. |
| US10945055B2 |
Intelligent subsystem
An intelligent subsystem coupled with a Super System on Chip (SSoC), a radio transceiver (e.g. a 5G/higher than 5G bandwidth radio transceiver), a voice processing module/voice processing algorithm, a foldable/stretchable/holographic display, a near-field communication device, a biometric sensor, an artificial eye and an intelligent learning algorithm is disclosed. The intelligent subsystem can respond to a user's interests and/or preferences. Furthermore, the intelligent subsystem is sensor-aware or context-aware. |
| US10945054B2 |
Intelligent subsystem
An intelligent subsystem coupled with a system-on-chip (comprising a microprocessor/graphic processor), a radio transceiver, a voice processing module/voice processing algorithm, a foldable display, a near-field communication device, a biometric sensor and an intelligent learning algorithm is disclosed. The intelligent subsystem can respond to a user's interests and/or preferences. Furthermore, the intelligent subsystem is sensor-aware or context-aware. |
| US10945051B1 |
System and method for intentionally distorting digital media to reduce the accuracy of generative machine learning algorithms
An apparatus includes a processor that monitors transmissions destined for an external network, determines that a transmission includes original media associated with a subject, and intercepts the transmission before it reaches the external network. The processor generates modified media by selecting a subset of data elements of the original media and replacing a value of each data element of the subset with a new value. At least one of the subset of data elements and the set of new values is chosen such that an accuracy metric calculated for a first generative algorithm, trained to generate synthetic representations of the subject based on modified media, is less than, by a given factor, the accuracy metric calculated for a second generative algorithm, trained to generate synthetic representations of the subject based on original media. The processor replaces the transmission with a new transmission that includes the modified media. |
| US10945050B2 |
Broadcast signal transmission/reception device and method
A broadcast signal transmission method is disclosed. The broadcast signal transmission method according to one embodiment of the present invention comprises the steps of: processing video data and audio data; encoding a broadcast service component, including the video data and audio data, and service layer signaling (SLS) information on the broadcast service component on the basis of a delivery protocol; subjecting the broadcast service component, the SLS information, and service list table (SLT) information to IP packetization; and subjecting the broadcast service component, the SLS information, and the SLT information to physical layer processing. |
| US10945049B2 |
Method and apparatus for selection of content from a stream of data
A main stream contains successive content elements of video and/or audio information that encode video and/or audio information at a first data rate. A computation circuit (144) computes main fingerprints from the successive content elements. A reference stream is received having a second data rate lower than the first data rate. The reference stream defines a sequence of the reference fingerprints. A comparator unit (144) compares the main fingerprints with the reference fingerprints. The main stream is monitored for the presence of inserted content elements between original content elements, where the original content elements have main fingerprints that match successive reference fingerprints and the inserted content elements have main fingerprints that do not match reference fingerprints. Rendering of inserted content elements to be skipped. In an embodiment when more than one content element matches only one is rendered. In another embodiment matching is used to control zapping to or from the main stream. In another embodiment matching is used to control linking of separately received mark-up information such as subtitles to points in the main stream. |
| US10945048B2 |
Methods and apparatus for presenting advertisements during playback of recorded television content
A method for operating a programming receiver is provided. The method displays, by the programming receiver, a sequence of recorded video content comprising a video presentation and a plurality of segments of interstitial content; receives, at the programming receiver, a command to skip one of the plurality of segments of interstitial content; and presents a screen comprising a picture advertisement for the one of the plurality of segments of interstitial content, the screen requesting confirmation to skip the one of the plurality of segments of interstitial content in the sequence. |
| US10945047B1 |
Selective playback of audio at normal speed during trick play operations
Systems and methods are described herein for selective playback of portions of audio at normal speed during a fast-forward operation. Upon receiving a command to perform a fast-forward operation, a current playback position is identified, as well as a plurality of portions of audio of the content item that will be subject to the fast-forward operation. A subset of the audio portions that will be subject to the fast-forward operation are selected. The fast-forward operation is initiated, and video of the content item is played back at the increased speed while the selected portions of audio of the content item are played back at normal speed. |
| US10945046B2 |
Systems and methods for generating for display recommendations that are temporally relevant to activities of a user and are contextually relevant to a portion of a media asset that the user is consuming
Systems and methods are provided herein for displaying recommendations that are temporally relevant to activities of a user and are contextually relevant to a portion of viewed media. This may be accomplished by a media guidance application identifying activities a user has planned, as well as respective times for which each of the plurality of activities was planned to be performed by the user. The media guidance application may filter the activities by determining which of the first plurality of activities has a corresponding respective time that is within a threshold period of time. The media guidance application may then identify characteristics of each filtered activity and of a media asset that the user is consuming at the present moment, and may compute whether the characteristics match. If the characteristics match, the media guidance application may generate for display a recommendation relating to the respective activity. |
| US10945045B2 |
Systems and methods for providing media content listings according to points of interest
Systems and methods are provided for allowing a user to obtain a listing of points of interest and associated media content listings based on the user's current geographic location. The user's current geographic location may be determined using, for example, a GPS transceiver incorporated in the user's user access device. Information may then be communicated from a remote server to the user access device that identifies points of interest associated with the geographic location as well as media content listings associated with the points of interest. |
| US10945041B1 |
Language-agnostic subtitle drift detection and localization
Devices, systems, and methods are provided for language-agnostic subtitle drift detection and localization. A method may include extracting audio from video, dividing the audio into overlapping blocks, and determining the probabilities of overlapping portions of the blocks, the probabilities indicating a presence of voice data represented by the audio in the blocks. The method may generate machine blocks using overlapping portions of blocks where voice data is present, and may map the machine blocks to corresponding blocks indicating that subtitles are available for the video. For mapped blocks, the method may include determining features such as when subtitles are available without voice audio, when voice audio is available without subtitles, and when voice audio and subtitles both are available. Using the features, the method may include determining the probability that the video includes subtitle drift, and the method may include analyzing the video to localize where the subtitle drift occurs. |
| US10945040B1 |
Generating and providing topic visual elements based on audio content and video content of a digital video
The present disclosure relates to methods, systems, and non-transitory computer-readable media for generating a topic visual element for a portion of a digital video based on audio content and visual content of the digital video. For example, the disclosed systems can generate a map between words of the audio content and their corresponding timestamps from the digital video and then modify the map by associating importance weights with one or more of the words. Further, the disclosed systems can generate an additional map by associating words embedded in one or more video frames of the visual content with their corresponding timestamps. Based on these maps, the disclosed systems can identify a topic for a portion of the digital video (e.g., a portion currently previewed on a computing device), generate a topic visual element that includes the topic, and provide the topic visual element for display on a computing device. |
| US10945036B2 |
Set top box security tracking
A plurality of customer premises equipment devices in a broadband network are periodically polled to determine a corresponding upstream interface port for each of the plurality of customer premises equipment devices. The determined corresponding upstream interface ports for each of the plurality of customer premises equipment devices are compared to stored data indicating authorized upstream interface ports for each of the plurality of customer premises equipment devices. Responsive to the comparing indicating that at least one of the determined corresponding upstream interface ports does not match a corresponding one of the authorized upstream interface ports, at least one remedial action is taken for a customer account associated with a corresponding one of the customer premises equipment devices in the broadband network. |
| US10945033B2 |
System and method to generate a customized, parameter-based video
The present invention provides a method for customizing video based on viewer behaviors, by performing the following steps: receiving/preparing plurality variations of customized video related to one video template, wherein each video variation has different features including at least one of: different scenario scene, different characters, different style, different objects displaying plurality of video variations to plurality of viewers; tracking viewer behavior while watching the video and after watching the video, wherein the viewers are identified by their profile in relation to real time context parameters; grading viewer behavior based on predefined viewers target (behavior) criteria; training a neural network to select video variants having specific features per each video presentation of a specific customizable video template in relation to viewer profile and context parameters, for maximizing viewer behavior grading in relation to said video variant. applying said neural network to a given viewer profile to determine for specific video template the video features for maximizing viewer behavior grading; streaming the determined a video based on determined video features. |
| US10945029B2 |
Video frame rendering criteria for video telephony service
Methods, systems, and devices for video frame rendering are described. A device, such as a user equipment (UE) may receive a set of video packets over a video connection (e.g., a video telephone service) and generate a set of video frames based on the set of video packets. The device may determine to render a video frame of the set of video frames based on a frame type of the video frame or a rendering criteria including a video quality of the video frame, or both. In some examples, the frame type may include a perfect frame or a corrupted frame. The device may render the video frame of the set of video frames based on the frame type of the video frame or the video frame satisfying the rendering criteria, or both, and output the rendered video frame for display. |
| US10945028B2 |
Reception apparatus, reception method, transmission apparatus, and transmission method for controlling termination of application
[Object] The present technology relates to a reception apparatus, a reception method, a transmission apparatus, and a transmission method capable of limiting use of broadcast resources by a predetermined application. [Solving Means] There is provided a reception apparatus including: a control information obtaining unit that obtains first control information for controlling an operation of a first application, the first application being capable of requesting use of a broadcast resource transmitted via a digital broadcasting signal; and an application controller that controls, when the first application requests use of the broadcast resource, the use of the broadcast resource by the first application on the basis of the first control information. |
| US10945025B1 |
Device analysis for supplemental content exposure
A content provider may receive an indication for supplemental content to be output to a target audience, determine a first content item to be viewed by the target audience based on one or more characteristics of the target audience, and may send an indication for the supplemental content to be output at a time associated with the output of the first content item. The content provider may determine a quantity of devices which output the supplemental content for a first time and may determine that this quantity of devices is below a target quantity of devices to output the supplemental content for the first time during a particular time period. The content provider may determine a second content item to be viewed by the target audience and may send an indication for the supplemental content to be output at a time associated with output of the second content item. |
| US10945023B2 |
Digital device and method of processing data in said digital device
In the present specification, various embodiments are disclosed of digital devices and methods of processing data in said digital devices. Here, a digital device according to an embodiment of the present invention comprises: a user interface unit for receiving execution requests for a first application through to a fourth application; a decoder for decoding data on the applications for which the execution requests were made; a control unit; and an output unit for outputting first through to third display windows and application data in each of the display windows. The control unit controls the execution of the first application; divides a screen according to the second application execution request; implements controlling to generate a first display window and a second display window for the divided screen and output the first application data and the second application data in the first display window and the second display window, respectively; implements controlling to output the third application data in the second display window in which the second application data is being output, when the third application execution request is received; and implements controlling to further divide the screen, generate a third display window for the further divided screen, and output the fourth application data in the third display window, when the fourth application execution request is received and the fourth application data is related to the third application data. |
| US10945021B2 |
Receiving method, receiving device, and transmission and reception system
A receiving method of receiving a first data unit in which data making up an encoded stream is stored and the first data unit stores a plurality of second data units. The receiving method includes: receiving the first data unit, first time information indicating a presentation time of the first data unit, second time information indicating, together with the first time information, a presentation time or a decoding time of each of the plurality of second data units, and identification information; calculating the presentation time or the decoding time of each of the plurality of second data units using the first time information and the second time information; and correcting the presentation time or the decoding time of each of the plurality of second data units based on the identification information. |
| US10945020B2 |
Electronic apparatus and method of operating the same
Provided are an electronic apparatus and a method of operating the same. The electronic apparatus includes: a buffer configured to receive one or more first frames corresponding to a first stream and one or more second frames corresponding to a second stream; and a controller configured to identify the one or more second frames and control the buffer to output the identified one or more second frames, in response to a playback switch event, wherein the controller is configured to identify the one or more second frames based on a time stamp value of the one or more second frames distinguished from a time stamp value of the one or more first frames or a second flag added to the one or more second frames and distinguished from a first flag added to the one or more first frames. |
| US10945019B2 |
Video uploading method, camera apparatus and storage medium
A video uploading method, includes: sending a live cast request message to a first server when it is determined that a preset key is triggered, the live cast request message carrying a device identification of a camera apparatus; receiving a live cast address generated by the first server according to the live cast request message, the live cast address corresponding to the device identification; and uploading a video stream recorded by the camera apparatus to a second server, a storage space of the video stream in the second server being determined by the live cast address. |
| US10945016B2 |
Apparatus and method for gathering analytics
A method and apparatus are provided for gathering analytics. In an embodiment, a method includes monitoring interactions of multiple users related to at least one of: multiple base content and multiple supplemental content. The supplemental content is associated with one or more products or services identified in the base content. The method also includes obtaining interaction information associated with the interactions. The method also includes selecting specified supplemental content to present to a specified user based on (i) the interaction information and (ii) specified base content presented to the specified user. The method also includes sending the specified base content and the specified supplemental content to an endpoint associated with the specified user. |
| US10945012B2 |
Cold-start podcast recommendations
A system and a method are disclosed for recommending podcasts. In an embodiment, the system detects a podcast request, and responsively determines whether a profile of the user indicates consumption by the user of podcasts. Responsive to determining that the profile does not indicate consumption by the user of podcasts, the system determines music preferences of the user based on data of the profile, and generates a podcast seed based on the music preferences. The system selects a podcast recommendation based on the podcast seed, and provides the podcast recommendation to the user. The system receives a selection of the podcast recommendation by the user, and responsively plays back a podcast corresponding to the podcast recommendation. |
| US10945010B2 |
Content transmission method and content playback method
Provided is a method for transmitting a broadcasting content and a line content, the broadcasting content and the line content being synchronously displayed, the method including: generating a line parity packet from a plurality of line data packets in each of which the line content is stored; transmitting the line data packet and the line parity packet through a communication line; and transmitting a plurality of broadcasting data packets in each of which the broadcasting content is stored, from a base station using a broadcasting wave, a transfer clock time of the broadcasting content being delayed by a predetermined time compared with a transfer clock time of the line content. At this point, video quality can be improved when the real-time broadcasting program content and the real-time line content are simultaneously displayed. |
| US10945007B2 |
Technique for transmitting and receiving system time information in broadcasting system
The present disclosure provides a data transmission method of a system in an IP based broadcasting network, the data transmission method comprising the steps of: generating an MPEG media transport protocol (MMTP) packet using a media processing unit (MPU) for a service; generating an IP packet using the MMTP packet; generating a layer 2 (L2) packet using the IP packet and generating a layer 1 (L1) packet stream using the L2 packet; and transmitting the L1 packet stream, wherein absolute time information of the system is included in one of a transmission frame of the L1 packet stream and the L2 packet. |
| US10945003B2 |
Dynamic content mapping systems and methods
This disclosure relates to systems and methods for dynamically mapping content based on information relating to a user. In various embodiments, a segment associated with a user may be identified, and a content service may map the presentation of advertisements and/or other content within rendered content in a manner that is tailored to the identified segment. In this manner, advertisement and/or other content impressions may be targeted to the user based on their identified segment. Further embodiments facilitate defining and refining content maps for a particular segment until a content mapping meeting certain objective criteria is realized. |
| US10945002B2 |
Multimedia playback method and related device
System and methods for multimedia playback are provided. A terminal device may obtain a playback identifier of a multimedia playback device. The terminal device may send an association request to a server based on the playback identifier. The association request may enable the server to establish an association between a terminal device and the multimedia playback device. The terminal device may receive a plurality of candidate options pushed by the server. The plurality of candidate options may be pushed to the terminal device associated with the multimedia playback device when the server detects that a preset time point arrives after the multimedia playback device plays back a first media resource. The terminal device may obtain a target option selected from the plurality of candidate options. The terminal device may feedback the target option to the server to enable the server to determine a second media resource to be played back by the multimedia playback device. |
| US10945000B2 |
File generation apparatus and file generation method as well as reproduction apparatus and reproduction method
There is provided a file generation apparatus and a file generation method as well as a reproduction apparatus and a reproduction method by which a file in which quality information of a depth-related image at least including a depth image is efficiently stored can be managed. An MPD file generation unit generates an MPD file. The MPD file is a management file that manages a file in which quality information representative of quality of a plurality of depth-related images including at least a depth image is disposed in a form divided in a plurality of tracks or subsamples and the management file in which a correspondence relationship between the respective tracks and associationID that specifies the depth-related images is described. The present disclosure can be applied when a segment file and an MPD file of a video content are distributed, for example, in a method that complies with MPEG-DASH. |
| US10944999B2 |
Network-based processing and distribution of multimedia content of a live musical performance
Methods, systems, and computer program products for network-based processing and distribution of multimedia content of a live performance are disclosed. In some implementations, recording devices can be configured to record a multimedia event (e.g., a musical performance). The recording devices can provide the recordings to a server while the event is ongoing. The server automatically synchronizes, mixes and masters the recordings. The server performs the automatic mixing and mastering using reference audio data previously captured during a rehearsal. The server streams the mastered recording to multiple end users through the Internet or other public or private network. The streaming can be live streaming. |
| US10944994B2 |
Indicating bit stream subsets
In one aspect, a compressed video bit stream is received and divided into packets that comprise either video data or supplemental information. Each packet is marked with a first subset identifier associated with a corresponding bit stream subset. A first sequence parameter set (SPS) is marked with the same first subset identifier as its associated bit stream subset. The first SPS comprises a second subset identifier indicating a decoding dependency of the bit stream subset associated with the first subset identifier on a bit stream subset associated with the second subset identifier. In another aspect, the packets from the bit stream are received and the first SPS is extracted. The first and second subset identifiers are used as relevant subset identifiers, and for each received packet, the first subset identifier is inspected and the packet is extracted when the first subset identifier matches one of the relevant subset identifiers. |
| US10944993B2 |
Video device and network quality evaluation/diagnostic tool
A method of evaluating the quality of a video network is provided. The method including: collecting a first plurality of video frames leaving a video capture device, the first plurality of video frames being transmitted from the video capture device to a video encoder; collecting a second plurality of video frames arriving at the video encoder, the second plurality of video frames being transmitted from the video capture device to the video encoder; comparing the first plurality of video frames and the second plurality of video frames; and determining a fault with the video capture device or the video encoder in response to the comparison of the first plurality of video frames and the second plurality of video frames. |
| US10944983B2 |
Method of motion information coding
A method and apparatus for motion information coding not only uses the Merge index to indicate the selected Merge candidate, but also refines partial motion information of the selected Merge candidate. An encoder derives a Merge candidate set based on the motion information associated with neighboring blocks. The encoder selects a target Merge candidate from the Merge candidate set and signal a Merge index corresponding to the target Merge candidate. The encoder then predicts a part of the current motion information based on partial motion information associated with the target Merge candidate to generate coded motion information. |
| US10944982B1 |
Rendition switch indicator
Methods to switch between renditions of a video stream are generally described. In some examples, the methods may include encoding a video stream at a first image quality in a first rendition and a second, lower image quality in a second rendition. The methods may further include sending the first rendition to a recipient computing device. The methods may include receiving a request to switch from the first rendition to the second rendition. The methods may include determining that first indicator data of a first inter-coded frame indicates that the video stream can be switched to a lower image quality rendition at the first inter-coded frame. In some examples, the methods may further include sending the second rendition to the recipient computing device. |
| US10944981B2 |
Method for the contextual composition of an intermediate video representation
A method for composing an intermediate representation of a video sequence from at least two representations of the video sequence of different quality, spatially partitioned into a plurality of tiles, each tile being associated with compressed data in the representation. The tiles can be decoded independently of each other and, at a given time, the different representations are identically partitioned. When the sequence is being played on a playback device, the method includes: obtaining a context data item representing the activity of viewers located near the playback device; selecting, on the basis of the context data item obtained and at least one maximum rate criterion for the intermediate representation resulting from the composition, a set of tiles forming a partition of the sequence from the at least two representations; and composing an intermediate representation of the video sequence from the compressed data associated with the selected set of tiles. |
| US10944980B2 |
Image data processing method
Provided is an image data processing method. First, decoding processing designed (step S1) in such a manner that a moving picture X is singly processed and that a moving picture Y and Z having low vertical resolutions can be combined together to be subjected to decoding processing. Subsequently, each of the moving picture X, Y, and Z is encoded (step S2). Next, encoded data of the moving picture X is singly decoded, and the moving picture X is restored and displayed on a display unit of the image processing device at a predetermined timing. Meanwhile, respective pieces of encoded data of the moving picture Y and Z are combined together and are decoded depending on respective display timings, and the moving picture X and Y are restored and further separated from each other to be displayed on the display unit at the respective timings (step S3). |
| US10944978B2 |
Video encoders/decoders and video encoding/decoding methods for video surveillance applications
Video encoders and decoders and video encoding and decoding methods are provided. A video encoder includes an input buffer configured to receive a video data stream and to supply current frame data, a frame buffer configured to store reconstructed frame data, and an encoder circuit configured to read reference frame data from the frame buffer, to encode the current frame data received from the input buffer using the reference frame data and to write the reconstructed frame data to the frame buffer. The encoder circuit may be configured to write the reconstructed frame data by overwriting the reference frame data in the frame buffer. |
| US10944977B2 |
Methods and apparatus for encoding and decoding overlay compositions
The techniques described herein relate to methods, apparatus, and computer readable media configured to encode and decode multimedia data. A hierarchical track structure for the multimedia data is encoded with at least a first track and a second track, wherein the second track is above the first track. Overlay composition metadata is associated with the second track, wherein the overlay composition metadata comprises offset metadata, layer metadata, source metadata, or some combination thereof. The overlay composition metadata specifies at least part of an overlay composition for media data associated with the first track, wherein the overlay composition can be performed as part of a track derivation operation on media data associated with the first track to generate media data of the second track, such that the second track is a derived track of the first track. |
| US10944976B2 |
Systems and methods for coding video data using adaptive component scaling
A method of encoding and decoding video data is described. According to an aspect of an invention, luma and chroma components may have separate quadtree plus binary tree (QTBT) structures and a scaling parameter for a chroma coding block is determined based on one or more properties of a luma component. |
| US10944975B2 |
Image processing device and image processing method
There is provided an image processing device and an image processing method making it possible to suppress a reduction in coding efficiency. The image processing device and the image processing method set temporal resolution for each of partial regions of image data to be coded and code the image data to generate a bit stream including information indicating the temporal resolution for each of the set partial regions. Alternatively, the image processing device and the image processing method analyze information indicating temporal resolution for each of partial regions of image data, the information being included in a bit stream in which the image data is coded. The present disclosure is applicable to, for example, image processing devices, bit stream conversion devices, image coding devices, image decoding devices, communication devices, or the like. |
| US10944967B2 |
Encoder and decoder and methods thereof
Embodiments of the disclosure provide methods, apparatus and computer programs for adaptive loop filtering in an encoder and in a decoder. One method, performed in an encoder, comprises: determining filter parameters for a plurality of filters to be used in encoding a frame or slice; determining respective activity values for each of a plurality of blocks in the frame or slice, wherein each block comprises a plurality of pixels; determining respective quantization parameters for each of the plurality of blocks; selecting, for each of the plurality of blocks, a filter from the plurality of determined filters based on the respective activity value and the respective quantization parameter; and applying the filter parameters for the respective selected filters to the plurality of blocks. |
| US10944966B2 |
Method for determining predictor blocks for a spatially scalable video codec
The invention relates to method for determining predictor blocks of a first resolution layer image from blocks of a second resolution layer image of a spatially scalable video codec, wherein a resolution of the first resolution layer image is higher than a resolution of the second resolution layer image, the method comprising: up-scaling each block of the second resolution layer image to a corresponding block of an up-scaled second resolution layer image; and filtering each block of the up-scaled second resolution layer image by a sharpening filter to obtain a predictor block of the first resolution layer image. |
| US10944965B2 |
Apparatus for encoding an image
Provided is a method that de-multiplexes a bit stream to extract intra prediction mode information and residual signals, restores an intra prediction mode of a current prediction unit using the intra prediction information and intra prediction modes of prediction units adjacent to the current prediction unit, generates reference pixels using one or more available reference pixel if there exist unavailable reference pixels of the prediction unit, adaptively filters the reference pixels based on the restored intra prediction mode, generates a prediction block using the restored intra prediction mode and the reference pixels, decodes the residual signal to generating a residual block, and generates a reconstructed block using the prediction block and the residual block. Accordingly, additional bits resulted from increase of a number of intra prediction mode are effectively reduced. Also, an image compression ratio can be improved by generating a prediction block similar to an original block. |
| US10944963B2 |
Coding weighted angular prediction for intra coding
A method and apparatus for decoding JVET video, including receiving a bitstream, and parsing said bitstream to identify a syntax element indicating an intra direction mode to use for generating at least one predictor. The intra direction mode is a first intra direction mode in a plurality of intra direction modes that includes at least one weighted intra direction mode that corresponds to a non-weighted intra direction mode. The syntax element may identify whether to use a non-weighted or weighted intra direction mode to generate the at least one predictor. Thus, the coding unit may be coded in accordance with the at least one generated predictor associated with the selected intra direction mode. |
| US10944962B2 |
Method and device for encoding/decoding image by using geometrically changed image
A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block. |
| US10944961B2 |
Systems and methods for dynamic calibration of array cameras
Systems and methods for dynamically calibrating an array camera to accommodate variations in geometry that can occur throughout its operational life are disclosed. The dynamic calibration processes can include acquiring a set of images of a scene and identifying corresponding features within the images. Geometric calibration data can be used to rectify the images and determine residual vectors for the geometric calibration data at locations where corresponding features are observed. The residual vectors can then be used to determine updated geometric calibration data for the camera array. In several embodiments, the residual vectors are used to generate a residual vector calibration data field that updates the geometric calibration data. In many embodiments, the residual vectors are used to select a set of geometric calibration from amongst a number of different sets of geometric calibration data that is the best fit for the current geometry of the camera array. |
| US10944959B2 |
Automated spatial indexing of images to video
A spatial indexing system receives a video that is a sequence of frames depicting an environment, such as a floor of a construction site, and performs a spatial indexing process to automatically identify the spatial locations at which each of the images were captured. The spatial indexing system also generates an immersive model of the environment and provides a visualization interface that allows a user to view each of the images at its corresponding location within the model. |
| US10944958B2 |
Method and device for detecting height-limiting rod, and automatic driving system
The present disclosure provides a method and a device for detecting a height-limiting rod, and an automatic driving system, for use in a binocular stereo camera. The method includes: filtering out invalid points in a disparity map corresponding to a target image in accordance with a predetermined detection range, so as to acquire a valid point disparity map; projecting the valid point disparity map along an X-axis direction in a three-dimensional coordinate system onto a plane where a Y axis and a Z axis are located, and counting the quantity of valid points for each row of pixels with respect to each disparity value, so as to acquire a projection image; filtering out invalid projection points and invalid blobs in the projection image, so as to acquire a valid blob image; and back-projecting the valid blob image to the three-dimensional coordinate system, and determining a rectangular region where the height-limiting rod is located in accordance with X-axis, Y-axis and Z-axis coordinate values. |
| US10944957B2 |
Active stereo matching for depth applications
A head-mounted device (HMD) is configured to perform depth detection with a stereo camera pair comprising a first camera and a second camera, both of which are configured to detect/capture visible light and IR light. The fields of view for both of the cameras overlap to form an overlapping field of view. The HMD also includes an IR dot-pattern illuminator that is mounted on the HMD with the cameras and that is configured to emit an IR dot-pattern illumination. The IR dot-pattern illuminator emits a dot-pattern illumination that spans at least a part of the overlapping field of view. The IR dot-pattern illumination adds texture to objects in the environment and enables the HMD to determine depth for those objects, even if they have textureless/smooth surfaces. |
| US10944955B2 |
Multiple viewpoint image capturing system, three-dimensional space reconstructing system, and three-dimensional space recognition system
A multiple viewpoint image capturing system includes: a plurality of cameras that capture videos in a predetermined space from different positions; a circumstance sensing unit that senses at least one of circumstances of the respective cameras and circumstances of the predetermined space, and outputs the sensed circumstances in a form of capturing circumstance information; and an event detector that detects a predetermined event based on the capturing circumstance information, determines whether to perform camera calibration in a case of detecting the predetermined event, and outputs camera calibration information that indicates the camera calibration to be performed in a case of determining that the camera calibration is to be performed. |
| US10944950B2 |
Transmitting functional safety statistics via transmitted video
Systems and methods are provided for transmitting functional safety statistics within a system. A video source produces a video data stream. A functional safety system driver accumulates functional safety statistics from at least one system and writes the functional safety statistics onto an associated system memory. A display sub-system driver writes a frame of the video data stream to the system memory. The display sub-system driver formats the functional safety statistics as video data and appends the functional safety statistics to a portion of the frame of video that is reserved for the functional safety statistics. A display sub-system transmits the frame of the video data stream to a host processor, which extracts the functional safety statistics from the video frame. |
| US10944949B2 |
Body cavity observation system, laparoscope system, trocar apparatus, and operation method of body cavity observation system
A trocar with camera has a camera section. The camera section obtains a trocar image that includes an image of a white part on a surface of a puncture member by performing imaging when the puncture member of a trocar shaft is exposed at a deployed position. A white balance setting section for trocar image sets a white balance for the trocar image based on the image of the white part in the trocar image. |
| US10944945B2 |
Projection device and projection method, projection module, electronic device, and program
A projection device and a projection method, a projection module, an electronic device, and a program that correct a misalignment of an optical axis are disclosed. Test emission is performed of a laser beam that is a light source in a projector, and a position of the optical axis of the laser beam is obtained from a ratio of an amount of light detected by a photodetector divided into a plurality of areas that is a two-dimensional plane perpendicular to the optical axis. The misalignment of the optical axis is obtained on the basis of information regarding a position of the optical axis of each of R, G, and B, a correction coefficient is calculated for correcting a shift of a pixel position on a projection image projected on a screen, and a pixel position to be projected is corrected with the correction coefficient and projected with RGB misalignment correction. |
| US10944943B2 |
Image sensor including a transparent conductive layer in a trench
An image sensor is disclosed. The image sensor includes a substrate including an active region and a dummy region, a plurality of unit pixels on the active region, a transparent conductive layer on a first surface of the substrate, a light-blocking layer on the transparent conductive layer and electrically connected to the transparent conductive layer, the light-blocking layer having a grid structure adjacent light transmission regions, and a pad electrically connected to the light-blocking layer, on the dummy region. |
| US10944942B2 |
Image processing apparatus, image processing method, and program
In a case where it is determined by a reliability determination section 501 that retention aberration information of an in-apparatus aberration information retention section 31 is unreliable, a control section 50 sets detection aberration information generated by performing aberration detection processing by a lens aberration detection processing section 32 as application aberration information for correcting an aberration of a captured image. In a case where it is determined that the retention aberration information is reliable, the control section 50 sets the retention aberration information as the application aberration information. Aberration information can be generated if necessary. |
| US10944934B2 |
Method and apparatus for channel switching in interactive smartboard
A method and an apparatus for channel switching in an interactive smartboard including receiving a channel switching request to switch from a first channel to a second channel; detecting a state of a system associated with the second channel; and when the state of the system associated with the second channel is a sleep state or a dormant state, according to the channel switching request, switching a touch receiving service to the system associated with the second channel and switching a current display from the first channel to the second channel, and waking up the system associated with the second channel. |
| US10944932B2 |
Comparator, AD converter, solid-state imaging device, electronic apparatus, and method of controlling comparator
The present disclosure relates to a comparator, an AD converter, a solid-state imaging device, an electronic apparatus, and a comparator control method that can reduce power consumption while increasing the determination speed of the comparator.The comparator includes a comparison unit, a positive feedback circuit, and a current limiting unit. The comparison unit compares the voltage of an input signal and the voltage of a reference signal, and outputs a comparison result signal. The positive feedback circuit increases the transition speed at the time when the comparison result signal is inverted. The current limiting unit limits the current flowing in the comparison unit after the inversion of the comparison result signal. The present disclosure can be applied to comparators, for example. |
| US10944930B2 |
Solid-state image sensor with high-permittivity material film and a light shielding section, method for producing solid-state image sensor, and electronic apparatus
A solid-state image sensor includes a semiconductor substrate having a photoelectric conversion element converting incident light into a charge and a charge retaining section temporarily retaining the charge photoelectrically converted by the photoelectric conversion element and a light shielding section having an embedded section extending in at least a region between the photoelectric conversion element and the charge retaining section of the semiconductor substrate. |
| US10944927B2 |
Semiconductor structure and operating method for improving charge transfer of image sensor device
An image sensor semiconductor device includes a semiconductor substrate and a first photodiode disposed in the semiconductor substrate and configured to generate charges in response to radiation. The image sensor semiconductor device also includes a first transistor disposed adjacent to the first photodiode, and a second transistor disposed over the first photodiode, wherein the first transistor and the second transistor are configured to generate at least one electric field to move the charges generated by the first photodiode. The image sensor device further includes a floating diffusion region configured to store the moved charges. |
| US10944920B2 |
Video switching method, device and video patrol system
Disclosed is a video switching method, a device, and a video patrol system. The method comprises: receiving a video switching instruction to determine a display device corresponding to a to-be-played video; determining whether there is a currently played video in the determined display device; if so, determining a task identifier corresponding to the currently played video; closing the currently played video according to the task identifier; and sending the video to be played to the display device for playing. When the video played in the display device needs to be switched, the task identifier corresponding to the currently played video in the display device is determined first, and the video is closed according to the task identifier. Then, the to-be-played video is sent to the display device for playing. This shows that the currently played video is normally shutdown, thereby avoiding an unknown error caused by abnormal closing of the video. |
| US10944919B2 |
Multi-function imaging
An exemplary system includes a scene processing module configured to receive a single frame comprising a first set of pixel data comprising a first combined scene including a fluorescence scene component and a second set of pixel data comprising a second combined scene including a combination of a visible color component scene and the fluorescence scene component. The scene processing module is further configured to extract a display fluorescence scene component from the first combined scene and extract a display visible scene component from the second combined scene. The system further includes a display unit configured to generate, based on the display fluorescence scene component and the display visible scene component, a displayed scene. |
| US10944917B2 |
Camera and image processing method
A camera system and method provide a trailing motion blur effect without the use of a flash. In one embodiment, a variable light-transmissive filter is positioned in front of an image sensor. While the light-transmissive property of the filter is lower, the blurred image of the object in motion is produced. The light-transmissive property of the filter is increased during the exposure in order to produce a clearer image of the object. In a method, a plurality of images taken in rapid succession are combined to produce a clear image of the object with a trailing blurred image of the object. |
| US10944916B2 |
Automated system for creating, processing and generating videos
An automated system for creating, processing and editing videos can be used to create videos, informational video clips and any other video materials. The claimed automated system for creating, processing and generating videos comprises at least one video server connected by means of a data transmission network to at least one user computer device, and a data store, wherein the said video server comprises at least one processor configured to execute program instructions contained in a readable memory, and server-based software, at least one unit for authenticating users configured to authenticate, authorize/register the system users and verify the authorized user access to system functions, and a unit for loading data configured to load digital audio visual data and directory databases onto the video server; wherein each of these user computer devices comprises an interface for connection to the data transmission network and client software designed to interact with the video server. The said video server further includes, connected to each other and to the unit for authenticating users and unit for loading data, a unit for generating and assigning unique identifiers, a unit for establishing relationships, a unit for generating a sequence of video fragments, a unit for forming/editing the sequence of video fragments, a unit for applying visual/audio effects, a unit for pre-viewing, a unit for pre-saving, a unit for compiling/rendering video fragments and a unit for storing the results. |
| US10944910B2 |
Display apparatus, control method thereof, and non-transitory computer readable medium
A display apparatus configured to display an input image and a graphics image on a display unit, wherein the graphics image is displayed together with the input image, the display apparatus includes: at least one processor that operates as: obtaining unit configured to receive a setting value relating to display luminance of the display apparatus; detection unit configured to detect a characteristic value of the input image; and control unit configured to display the graphics image on the display unit with a luminance gradation based on the setting value and the characteristic value. |
| US10944909B2 |
Actuator, camera module, and camera-mounted device
An actuator is provided with: the fixed part being formed by arranging either a coil part or a magnet part on a base member on the external peripheral side of the driven part; a movable part having a frame-like holding member for arranging and holding the other of the coil part or the magnet part on the base-member-side surface on the external peripheral side of the driven part; and a support part for inclinably supporting the movable part in relation to the fixed part, the support part being disposed on the base member. The holding member has, on the surface on the opposite side from the base member and farther inward than the arrangement area of either the coil part or the magnet part, a mounting surface part on which a first capturing module and a second capturing module are mounted as driven parts. |
| US10944907B2 |
Generating an image using automatic mode settings while in manual mode
Methods and devices are described for image or video capture while in a manual mode. In some aspects, a device includes one or more processors. The device also includes a memory coupled to the one or more processors. The memory includes instructions that, when executed by the one or more processors, causes the device to generate a first image frame of a scene using manual mode settings and generate a second image frame of the scene using automatic mode settings different from the manual mode settings. |
| US10944902B2 |
Digital image generation using capture support data
Digital image generation through use of capture support data is described. In one example, an image capture device is configured to obtain capture support data from an imaging support system via a network through inclusion of a pre-capture system. The pre-capture system, for instance, is configured to obtain capture support data from an imaging support system via a network. The capture support data is configured for use by digital image processor along with raw image data received from an image sensor to generate a digital image, e.g., that is configured for rendering. |
| US10944893B1 |
Transferable mini-camera device
Transferable mini-camera for a plurality of devices. In an embodiment, the mini-camera comprises a connector configured to attach to a socket and detach from the socket on a plurality of devices, a rechargeable battery configured to charge from each of the plurality of devices when the connector is attached to the socket of that device, a wireless transceiver configured to wirelessly communicate with a first device when the connector is detached from the socket of the first device, a camera configured to capture image data, and at least one processor. The at least one processor is configured to wirelessly transmit image data, captured by the camera, to the first device via the wireless transceiver, while the connector is attached to the socket of a second device and not the socket of the first device. |
| US10944891B2 |
Symbology reader with multi-core processor
A vision system camera, and associated methods of operation, having a multi-core processor, high-speed, high-resolution imager, FOVE, auto-focus lens and imager-connected pre-processor to pre-process image data provides the acquisition and processing speed, as well as the image resolution that are highly desirable in a wide range of applications. This arrangement effectively scans objects that require a wide field of view, vary in size and move relatively quickly with respect to the system field of view. This vision system provides a physical package with a wide variety of physical interconnections to support various options and control functions. The package effectively dissipates internally generated heat by arranging components to optimize heat transfer to the ambient environment and includes dissipating structure (e.g. fins) to facilitate such transfer. The system also enables a wide range of multi-core processes to optimize and load-balance both image processing and system operation (i.e. auto-regulation tasks). |
| US10944889B2 |
Image processing apparatus and image processing method
An image processing apparatus includes: a converting unit configured to convert a color of input image data based on information representing a correspondence between a brightness level and a color, and generate converted image data; and a setting unit configured to set a gradation characteristic of the input image data, wherein the converting unit converts the color of the input image data based on information representing a first correspondence in a case where the gradation characteristic set by the setting unit is a first gradation characteristic, and converts the color of the input image data based on information representing a second correspondence in a case where the gradation characteristic set by the setting unit is a second gradation characteristic. |
| US10944887B2 |
Apparatus for controlling a display of a display screen
An information processing apparatus that performs display control for receiving edit of a display screen on which at least one image representing a function is displayed and causing a user display screen edited by an authorized user to be displayed on an operation display unit includes a first controller that, in a case where the user display screen is changed by an entity other than the user, performs display control for displaying a receiving screen that includes an image of a display screen after the change and a selection part for selecting whether to permit or prohibit shift to the display screen after the change and receives user's selection; and a second controller that, in a case where the user selects prohibition of shift to the display screen after the change, performs display control for shifting the receiving screen to an edit screen for editing the display screen after the change. |
| US10944880B2 |
Image forming apparatus and scanned data process method
An information processing system includes an information processing apparatus that selects between transferring data and obtaining data, and controls transferring data or obtaining data based on the selection. The system also includes a server that stores data transferred from the information processing apparatus, and controls transferring data to the information processing apparatus based on a request for transferring data received from the information processing apparatus. |
| US10944877B2 |
Image processing system, image processing apparatus, and image processing method
The image processing apparatus adds a first image that includes a predetermined image feature, to a read image of the document based on a detection result in the detecting, and transmits a second image of the predetermined image size specified in the read instruction, to the information processing apparatus. The information processing apparatus obtains the read image of the document included in the second image transmitted in the transmitting. The image processing apparatus adds the first image such that in the second image the first image is provided on the outside of the read image of the document, based on at least one of a width and a height of the document detected in the detection. The information processing apparatus obtains the read image of the document based on the predetermined image feature. |
| US10944876B2 |
Image processing apparatus, control method, and storage medium
An image processing apparatus includes an operation unit having a display device, and includes a sensor to detect an abnormality of the operation unit. Where the sensor detects an operation unit abnormality, display data is generated for performing display including an error notification regarding the detected abnormality. The generated display data is provided to at least one of the display device and an information processing apparatus. In a case where (i) first data for performing display includes the error notification, includes an instruction portion to receive an instruction to continuously use the image processing apparatus, and is provided as provided display data, and (ii) an instruction to continuously use the image processing apparatus is received via the instruction portion, screen data is provided, in place of the generated display data, the provided display data for displaying a screen for using an the image processing apparatus function. |
| US10944872B1 |
Centralized event log generation and analysis for contact centers
A computer system is described that is configured to generate an entry in a centralized event log for each voice call into a contact center of an organization. The event log system is configured to receive call data associated with action performed during the call and retrieve context data associated with the call from across a plurality of disparate systems used by the contact center to service the call. The event log system is configured to include both the call data and the context data in the call entry, and to correlate the call entry with previous call entries for a same entity identified for the call. The call entry may also include entity profile data as metadata. The pertinent data for the call will be stored in a single, centralized location accessible by any of the front-end systems for use in determining how to handle the call. |
| US10944871B1 |
Centralized event log generation and analysis for contact centers
A computer system is described that is configured to generate an entry in a centralized event log for each voice call into a contact center of an organization. The event log system is configured to receive call data associated with action performed during the call and retrieve context data associated with the call from across a plurality of disparate systems used by the contact center to service the call. The event log system is configured to include both the call data and the context data in the call entry, and to correlate the call entry with previous call entries for a same entity identified for the call. The call entry may also include entity profile data as metadata. The pertinent data for the call will be stored in a single, centralized location accessible by any of the front-end systems for use in determining how to handle the call. |
| US10944866B2 |
Systems and methods of transferring user information to different devices
A communications system according to certain embodiments includes a mobile device and a second type of communications system, such as a landline telephone system, that share usage information. The shared information can include call logs of in-coming and out-going calls, missed calls, text messages, address book information, GPS data, internet browsing data, and the like. |
| US10944861B2 |
Telecommunication call management and monitoring system with voiceprint verification
Disclosed is a secure telephone call management system for authenticating users of a telephone system in an institutional facility. Authentication of the users is accomplished by using a personal identification number, preferably in conjunction with speaker independent voice recognition and speaker dependent voice identification. When a user first enters the system, the user speaks his or her name which is used as a sample voice print. During each subsequent use of the system, the user is required to speak his or her name. Voice identification software is used to verify that the provided speech matches the sample voice print. The secure system includes accounting software to limit access based on funds in a user's account or other related limitations. Management software implements widespread or local changes to the system and can modify or set any number of user account parameters. |
| US10944858B2 |
Display of property restrictions via wireless device
A computer implemented method include detecting a location of a wireless device, receiving an identification of a property proximate the detected location, receiving an associated property restriction as a function of the detected location of the device, applying an indication of the restriction to the property, and providing a display indicating the property and the associated restriction via the device. |
| US10944857B2 |
Automated messaging
The disclosure provides methods and systems comprising an automated messaging system server operably connected to a mobile operator's network. The server receives a first message from a calling device that is addressed to a called device and comprises contents. The server reads the contents of the first message and determines a plurality of response message options, wherein at least one response message option is based on the contents. The server determines the date when the first message was received, and then, determines if the date falls in a specified date range. When the date falls in a specified range, the server includes a holiday response option in the plurality of response options. Then, the server prepares a first message package that includes the first message and response menu comprising the plurality of response options. The server sends the first message package to the called device. |
| US10944855B2 |
Method and system for rapid awareness, recognition, and response to digital messages
Apparatus for constructing a digital telephone message including a message defining unit, configured for allowing a sender to define a message for sending to a recipient, and a response defining unit, configured for allowing the sender to predefine a recipient response, and to include the predefined recipient response in the message for activation at the recipient. Apparatus for receiving a digital telephone message, the message including an activatable sender-defined response, the apparatus including a receiving unit for receiving the message, a notification unit for notifying a recipient of the arrival of the message, and a response activation unit for displaying the sender-defined response, and associating the sender-defined response with a user action for providing user input to send the response. Related apparatus and methods are also described. |
| US10944850B2 |
Methods, devices and systems for non-disruptive upgrades to a distributed coordination engine in a distributed computing environment
A computer-implemented method and distributed system for maintaining consistency of client applications on a plurality of server nodes may comprise providing a first and second versions of a distributed coordination engine (DConE). The first version of the DConE may receive proposals, reach agreements thereon and generate a first ordering of agreements that specifies an order in which the client applications are to execute the agreed-upon proposals and correspondingly update their respective states. A ChangeVersion proposal may then be processed by the first version of the DConE, whereupon the first version of the DConE may stop reaching any further agreements. A second version of the DConE may then take over reaching agreements on the proposals and generate a second ordering of agreements, beginning with the agreed-upon ChangeVersion proposal. Any agreed-upon proposal, received from the first version of the DConE after the agreed-upon ChangeVersion proposal, may be sent back to the second version of the DConE to enable the second version of the DConE to reach agreement thereon. |
| US10944848B2 |
System and method for dynamically adapting network delivery modes of content
A content distribution network includes a first server in communication with an anycast server that provides content via a unicast signal, and with a multicast server that provides the content via a multicast signal. The first server is configured to receive a list of source addresses associated with the content, and to provide a metadata file including an anycast Internet protocol address of the anycast server from the list of source addresses as an Internet protocol address of the content in response to a first request for the content. When the number of client devices requesting the content exceeds a first threshold, the first server receives an updated list of sources including a multicast Internet protocol address of a multicast server, and provides the multicast Internet protocol address of the multicast server as the Internet protocol address of the content in the metadata file. |
| US10944847B2 |
Apparatuses, systems, and methods for selective accessibility of content from a content-pool
Apparatuses, methods, systems, and program products are disclosed for selectively accessing content from a content pool. A method includes receiving content for a content-pool from a content contributor. A method includes determining one or more access settings for the content, the one or more access settings determining how the content is displayed. A method includes providing the content to a presenter according to the one or more access settings. |
| US10944846B2 |
Distribution schedule creation method and distribution schedule creation apparatus
A method of causing a computer to execute: classifying, based on topology for indicating connection relationships among a data-provision apparatus, distribution-destination apparatuses corresponding to distribution destinations of distribution targets, and relay apparatuses configured to relay communications between the data-provision apparatus and the distribution-destination apparatuses, the mutual distribution-destination apparatuses; identifying a first distribution-destination apparatus having a highest communication speed of a directly connected link among the distribution-destination apparatuses belonging to the group; and creating a distribution schedule of the data in a manner that the data is transmitted from the data-provision apparatus to the first distribution-destination apparatus in the same group, and next, the data is transmitted from the first distribution-destination apparatus to a second distribution-destination apparatus other than the first distribution-destination apparatus in the group. |
| US10944845B1 |
System, method, and computer readable storage medium for consolidated content aggregation, analytics, notification, delivery, and tracking
A content delivery system consolidates aggregates and analyzes content. Content may be construed broadly, such as text, video, audio, merchandise, news, bands, festivals, venues, release dates, concerts, performances, etc. The system may obtain content, filter content and/or apply preferences and/or analytics to determine a particular content. Analytics may include various content matching processes, such as hashing, for example. A notification may be generated based on the particular content and the notification may be sent, to a user's portable device for example. An aggregation application on the portable device may present an indication of the notification and response to selection of the notification. For example, the aggregation application may display the content associated with the notification. The aggregation application may track the user's behavior and update various analytics based on the tracking information. |
| US10944844B2 |
Edge caching for cognitive applications
For caching of cognitive applications in a communication network a first input signal from a sensor device is detected by a proxy having a cache associated therewith. A representation of the first input signal is computed and sent to a server. A handle function is applied to the representation of the first input signal to compute a first handle value corresponding to the first input signal. The representation of the first input signal is transformed using a cognitive processing model of an answer function to compute a first answer value. A content of the cache is modified by the proxy by storing the first answer value in association with the first handle value in the cache. |
| US10944843B2 |
Topology aware computing device to reduce network latency
A method includes receiving, by a first computing device, a data access request from a client device, where the first computing device is aware of geographical locations of other computing devices, and where the data access request includes a client geographical location header and a redirection count header. When the redirection count header is higher than a redirection count threshold, the method includes processing the data access request. When the redirection count header is lower than the redirection count threshold, the method includes determining an optimal computing device to process the data access request. When the optimal computing device is geographically closer to the first computing device than the client device, the method includes, proxying the data access request to the optimal computing device. When the optimal computing device is geographically closer to the client device, the method includes sending a redirect response to the client device. |
| US10944838B2 |
Control device, resource manager and methods thereof
A control device configured to receive a service request that comprises a request for a resource associated with a network function or a network service in the communication system, obtain a descriptor based on the service request, derive a metadata of a service availability level from the descriptor, obtain a commissioning value, wherein the commissioning value is associated with requirements for a service, map the commissioning value with the metadata of the service availability level, derive the service availability level for the resource associated with the network function or the network service based on the mapped commissioning value with the metadata of the service availability level. A corresponding resource manager derives an assigned resource corresponding to the resource associated with the network function or the network service and the assigned resource fulfills the derived service availability and reliability requirement for the resource. |
| US10944837B2 |
Floor-plan based learning and registration of distributed devices
A method of registering distributed devices includes discovering a plurality of devices at a central panel or server, localizing the devices, and authorizing the devices with a mobile device communicating with the central panel or server. The method also includes registering the devices with the central panel. The model can include verifying link quality with each of the devices before registering the devices with the central panel by comparing signal quality between each device and a central panel with a pre-defined threshold level. |
| US10944829B2 |
Methods, systems, and devices for multiplexing service information from sensor data
Aspects of the subject disclosure may include, for example, embodiments a service multiplexer identifying a service associated with each of a group of sensors resulting in a group of services. Further embodiments include the service multiplexer creating a service portfolio according to the group of services. Additional embodiments include service multiplexer communicatively coupling to nodes over a 5th Generation (5G) network according to the service portfolio. The 5G network includes a control plane and user plane. Also, embodiments include service multiplexer continuously connecting to the control plane. Further embodiments include receiving data from the sensors. Additional embodiments include service multiplexer determining that the received data is associated with the service portfolio. Also, embodiments include service multiplexer identifying one or more of the nodes according to the service portfolio and sending the received data to the one or more of the nodes over the user plane. Other embodiments are disclosed. |
| US10944827B2 |
Publishing configuration patterns for storage resources and storage performance models from client systems to share with client systems in a network computing environment
Provided are a method, system and program for publishing configuration patterns for storage resources and storage performance models from client systems to share with client systems in a network computing environment. A determination is made of a configuration pattern of storage resources within the client computing environment and storage performance metrics for the configuration pattern of storage resources within the client. At least one storage performance model is created based on the determined storage performance metrics. Information on the at least one storage performance model and the configuration pattern of the storage resources for which the storage performance metrics were determined are published to the service provider. |
| US10944824B2 |
Method and apparatus for processing media type in rest software architecture
Embodiments of the present disclosure provide a method and apparatus for processing a media type in representational state transfer (REST) software architecture, comprising: extracting, in a request from a client, a first media type for the request, the request including a message sent to a server; in response to determining that a first media type processor supporting the first media type exists, converting, by the first media type processor, the message into an instance of a first data model; and sending the instance of the first data model to the server. Embodiments of the present disclosure can add support to a new media type without a need of changing the existing data model, thereby enhancing development efficiency of web applications. |
| US10944817B2 |
Systems and methods for segmented data transmission
The present invention relates to system and methods for segmented data transmission. One example comprises steps of: connecting a plurality of computerized devices to each other; designating at least one master device from the plurality of computerized devices; designating remainder of devices as slave devices; producing a content originated from said at least one master device; segmenting the content into a plurality of data-streams; transmitting at least one data-stream of said plurality of data-streams to slave devices; uploading said plurality of data-streams to a server-computer; assembling said plurality of data-streams into said content. |
| US10944816B2 |
Application placing and scaling
Methods, computer program products, and systems are presented. The method computer program products, and systems can include, for instance: obtaining from a plurality of computing environments computing environment characterizing data; obtaining application parameter data defined by an application provider, the application parameter data specifying attributes of an application component group defining an application, wherein the application parameter data includes group membership specifying data that specifies that certain application components are to be deployed as a group in a common computing environment; determining, in dependence on data of the computing environment characterizing data and data of the application parameter data, a set of computing environments for deployment of the application component group, and a placement ratio for the application component group. |
| US10944806B2 |
Method to insert program boundaries in linear video for adaptive bitrate streaming
Aspects of the subject disclosure may include, for example, a system for indicating a program boundary in an adaptive bitrate media stream, where the system includes a memory and a processor that performs operations including generating multiple transcoded media output streams of different bit rates from an input linear media stream, fragmenting the multiple transcoded media output streams into chunks, detecting a program boundary in the input linear media stream, and supplying a program change indicator in a manifest file for implementing program change features in mobile communication devices. Other embodiments are disclosed. |
| US10944802B2 |
Bridging physical and virtual spaces
Examples of systems and methods for bridging virtual and physical spaces are described. In some of these examples, a particular communicant's real world state drives changes in one or more of the communications connections, virtual state, and communications interface of the particular communicant or another communicant. |
| US10944800B1 |
Queuing data communications in a data communications network using a virtual assistant
Certain aspects of the disclosure are directed to queuing data communications in a data communications network. According to a specific example, a user-data communication addressed to a client among a plurality of remotely-situated client entities, may be placed in a queue. The client entities may be configured and arranged to interface with a data communications server providing data communications services on a subscription basis. A virtual assistant session may be initiated, in which a dynamic series of inquiries may be presented to address the user-data communication while the position is maintained in the queue. The user-data communication may be terminated and removed from the queue in response to an indication that the user-data communication was addressed during the virtual assistant session, or routed via the data communications server in response to an indication that the user-data communication was not addressed during the virtual assistant session. |
| US10944799B2 |
Identification and control of applications and media sessions
According to an example, an application initiating a communication session may be identified via a mapping of the application information with a pattern of interest included in a DNS server response corresponding to the application. Information regarding the communication session may be obtained and a determination may be made as to whether the communication session includes media data. If the communication session includes media data, control of the application and the communication session may be enabled via an interface. |
| US10944798B2 |
Communication terminal, image communication system, and display control method
An image communication system includes a first communication terminal including first circuitry and a second communication terminal including second circuitry. The first circuitry of the first communication terminal transmits, to the second communication terminal, first image data representing a first image and second image data representing a second image. The first circuitry of the first communication terminal transmits, to the second communication terminal, position information indicating a predetermined position on the first image. The second circuitry of the second communication terminal combines, based on the position information, the second image with the first image at the predetermined position on the first image to generate a combined image. The second circuitry of the second communication terminal displays, on a display, the combined image. |
| US10944793B2 |
Rules-based network security policy modification
A device may receive first information associated with a set of security rules. The first information may identify a set of security actions a device is to implement when the set of security rules applies to traffic. The device may determine a manner in which the set of security rules is to apply using the first information. The device may determine whether the manner in which the set of security rules is to apply and an intent of a network security policy or a manner in which a set of previously defined security rules is to apply match to determine whether the set of security rules conflicts with the network security policy or whether the set of security rules and the set of previously defined security rules are related. The device may perform an action. |
| US10944792B2 |
Methods and systems for protecting a secured network
Methods and systems for protecting a secured network are presented. For example, one or more packet security gateways may be associated with a security policy management server. At each packet security gateway, a dynamic security policy may be received from the security policy management server, packets associated with a network protected by the packet security gateway may be received, and at least one of multiple packet transformation functions specified by the dynamic security policy may be performed on the packets. |
| US10944788B2 |
Systems and methods for communication verification
Provided herein are systems and methods for verifying online communications. A sender and/or a recipient of an online communication can be a registered user of a verification system. Upon request by the sender and/or the recipient in relation to a particular instance of an online communication, the verification system can (1) confirm that the sender and/or the recipient is a registered user of the verification system, (2) verify that the sender and/or the recipient has sent and/or received, respectively, the particular instance of the online communication, and (3) communicate the verification of the particular instance of online communication to the sender and/or the recipient. |
| US10944786B2 |
Mobile communication method, apparatus, and device
The present disclosure relates to mobile communications technologies, and in particular, to a mobile communication method, apparatus, and device. The method includes receiving, by user equipment (UE), a non-access stratum (NAS) security mode command message from a mobility management entity (MME), where the NAS security mode command message carries first verification matching information used to verify UE capability information received by the MME, determining, by the UE based on the first verification matching information, whether the UE capability information received by the MME is consistent with UE capability information sent by the UE to the MME, and, if the UE capability information received by the MME is consistent with the UE capability information sent by the UE to the MME, sending, by the UE, a NAS security mode complete message to the MME. |
| US10944785B2 |
Systems and methods for detecting the injection of malicious elements into benign content
A method, system, and computer-usable medium are disclosed for include receiving a first version of content from a resource, generating a first lightweight fingerprint for the first version of the content, receiving a second version of the content from the same resource, generating a second lightweight fingerprint for the second version of the content, comparing the first lightweight fingerprint to the second lightweight fingerprint to determine changes to a non-injectable section of the content and potentially-injected sections of the content between the first version and the second version, and determining the content to include potentially malicious elements responsive to determining that the non-injectable section of the content have remained substantially static between the first version and the second version and determining that potentially-injected sections of the content has substantially changed between the first version and the second version. |
| US10944784B2 |
Identifying a potential DDOS attack using statistical analysis
Embodiments can identify requests that may be tied to a DDOS attack. For example, the primary identifiers (e.g., a source address) of requests for a network resource (e.g., an entire website or a particular element of the website) can be tracked. In one embodiment, a statistical analysis of how often a particular source address (or other primary identifier) normally makes a request can be used to identify source addresses that make substantially more requests. A normal amount can correspond to an average number of request that a source address makes. According to some embodiments, a system can use statistical analysis methods on various request data in web server logs to identify potential attacks and send data concerned potential attacks to an HBA system for further analysis. |
| US10944783B2 |
Dynamic denial of service mitigation system
A dynamic denial of service (DDoS) mitigation system comprising a BGP address family exchange connected to at least one DDoS mitigation route reflector, and at least one DDoS mitigation route reflector being an address family identifier specific route reflector, where each DDoS mitigation route reflector advertises BGP content in a first address family to the BGP family exchange. The BGP address family exchange translates the BGP content from the first address family to a destination address family and announces the translated content to a destination route reflector, and wherein the destination address family includes a flow specification diversion route. |
| US10944782B2 |
Forensic analysis through metadata extraction
In one or more embodiments described herein, system, methods, and/or computer program products that forensic analysis through metadata extraction. According to an embodiment, a system can comprise a memory that stores computer executable components and a processor that executes the computer executable components stored in the memory. The computer executable components can comprise a metadata generation component that generates a metadata product comprising one or more data items associated with a distributed architecture of a file system, wherein the file system comprises one or more disks. The computer executable components can further comprise a security component that monitors the file system, wherein the security component generates an alert in response to detecting a degradation event associated with the one or more disks. The computer executable components can further comprise a metadata extractor component that extracts the one or more data items from the metadata product in response to receiving the alert from the security component. |
| US10944771B2 |
Computing resource identification
Systems and methods are disclosed for computing network operations. For example, methods may include identifying one or more partial matches between a value associated with a configuration item and a value associated with one or more computing resource types from a set of computing resource types; forming a search query based on the one or more partial matches; invoking a search of one or more information sources using the search query to obtain ranked search results; selecting one computing resource type from the set of computing resource types based on a ranking of the search results; and updating the configuration item to associate the configuration item with the selected computing resource type. |
| US10944770B2 |
Protecting against and learning attack vectors on web artifacts
A server includes a service processor hosted by a baseboard management controller (BMC) and independent of a CPU of the server. The server hosts web files. The service processor performs a set of monitoring tasks including receiving packets forming access requests made to the web files. A learning block is updated with information about suspicious packets. A counter is updated indicating a number of times a packet with a signature of a suspicious packet was received. When the counter reaches a threshold, a suspicious packet is analyzed in conjunction with other previously received suspicious packets. The analysis includes rearranging an arrival order of the suspicious packets into a new arrival sequence. The new arrival sequence of suspicious packets is matched to attack patterns in an attack pattern database. When the new arrival sequence matches an attack pattern, source IP addresses associated with the suspicious packets are added to a blacklist. |
| US10944766B2 |
Configurable cyber-attack trackers
A computing system includes a processor and memory coupled to the processor and storing instructions that, when executed by the processor provide a user interface module. The user interface module is configured to generate a tracker definition user interface having a threat parameter selection user interface element configured to receive a selection of at least one threat parameter, the tracker definition user interface also having a threat value user interface element configured to receive input specifying a threat value to match for the specified at least one threat parameter. The processor is configured to save a tracker based on the selection of at least one threat parameter and the threat value, and wherein the processor is configured to access a threat data store and execute the tracker against the threat data store to provide a tracker result. |
| US10944764B2 |
Security event detection through virtual machine introspection
Methods and apparatus are disclosed for security event detection through virtual machine introspection. Example methods involve monitoring usage of a plurality of resources by a first virtual machine executing on a computing device by a monitoring agent, the monitoring agent executing on the computing device separate from the first virtual machine. Example methods further involve detecting a potential security event by comparing the usage of the plurality of resources to resource usage patterns. Example methods further involve assigning a severity level to the detected potential security event, and initiating a security action defined for the assigned severity level. |
| US10944760B2 |
Identification, authentication, and authorization method in a laboratory system
An identification, authentication and authorization method in a laboratory system is presented. The system comprises at least one laboratory device. The method comprises receiving identification data identifying a user; receiving identity confirmation data to authenticate the user; and generating authentication data upon successful authentication of the user. The authentication data is configured to enable authentication of the user based on only the identification data during a validity time period without repeated receipt of the identity confirmation data. The method further comprises receiving the identification data by an identification unit; validating the authentication data corresponding to the identification data comprising the step of verifying non-expiry of the validity time period; and granting authorization to the user for the laboratory device upon successful validation of the authentication data. |
| US10944756B2 |
Access control
A method comprising: pre-generating insights for each of a plurality of user-content combinations, each user-content combination comprising a different respective combination one of a plurality of first users and one of a plurality of first pieces of content, wherein each insight specifies a relationship type and other content having that relationship with the respective first content; subsequently receiving a query seeking insights on a target one of the first users and first pieces of content; based on the query, identifying the respective set of insights for that user-content combination; subsequently pruning away one or more insights which specify no related pieces of content to which the target user is permitted access; and outputting at least one of the remaining subset of insights to the target user. |
| US10944748B2 |
Consumer choice for broadband application and content services
Novel tools and techniques might provide for implementing application, service, and/or content access control. Based at least in part on a consumer's choice of applications, services, content, and/or content providers—particular in exchange for a subsidy on content and/or network access fees provided to the consumer by chosen content providers—, a computing system may determine whether access to applications, services, and/or content not associated with the chosen content providers (“other content”) should be allowed or restricted. If restricted, the computing system might utilize various network access techniques and/or technologies to block the consumer's access to the other content, to allow access to the other content on a charge per access basis, or to allow access to the other content at reduced network access speeds. In some embodiments, an access provider (e.g., an Internet service provider, etc.) might perform both determination and implementation of content access and restriction. |
| US10944740B2 |
Cluster claim
Cluster state information is generated in response to a request to establish a connection with a cloud service system. The cluster state information includes a first instance of a security token and host information. The cluster state information is provided to a web browser associated with a user. The web browser associated with the user is redirected to a cloud identity provider. The cloud identity provider is configured to provide to the cloud service system via the web browser associated with the user, the cluster state information that includes the first instance of the security token and the host information. A certificate is requested from the cloud service system. The cluster state information that includes a second instance of the security token is provided to the cloud service system. The cloud service system is configured to establish the connection based on comparison between the first instance of the security token and the second instance of the security token. The established connection enables the user to manage a secondary storage system via the cloud service system. |
| US10944735B2 |
Authentication device, server computer, authentication method, mobile terminal with camera, and code label
An authentication apparatus including an input interface to acquires an image of a hologram label on an access object including key information; a processing history storage table that correlates a first image with the key information and stores the correlated image; an information determination circuit that refers to the processing history storage table, based on key information included in a second image that is being acquired after the first image, and determines whether the key information corresponds to key information of the second image; and a processing determination circuit that compares feature data of the second image that is not key information with feature data of the first image that is not key information in response to the information determination circuit determining the key information of the first image as being present, and uses the results of the comparison to determine whether to execute processing using the second image. |
| US10944733B2 |
Dynamic disassociated channel encryption key distribution
A method may include determining, by a first network device, a type of control channel to open across a transport in a software-defined network (SDN). The method may also include establishing the control channel with a control device via a control plane that is separate from a data plane. The method may further include advertising first security association parameters to the control device via the control channel. The method may include receiving, from the control device via the control channel, second security association parameters associated with a second network device. The method may also include establishing a data plane connection with the second network device using the second security association parameters. |
| US10944730B1 |
Device independent encrypted content access system
Systems, devices, media, and methods are presented for retrieving authentication credentials and decryption keys to access remotely stored user-generated content. The systems and methods receive a first authentication credential and access a second authentication credential based on receiving the first authentication credential. The system and methods generate an authentication token and an encryption token. Based on the authentication token, the system and methods access a set of encrypted content and an encrypted content key. The systems and methods decrypt the encrypted content key using the encryption token and decrypt the set of encrypted content using the decrypted content key. At least a portion of the content is presented at the user device. |
| US10944726B2 |
Method and application for communicating sensitive information
Method and application for communicating sensitive information, incident reporting, and for acceleration of urgent situation responses and supervision allowing for school administrators, teachers, professors, users, submitters, or receivers, to instantly report credible threats, or dangerous situations. In at least one current embodiment, a Smart Button is a digital situation button for use by any submitter to instantly report their GPS map location, name, title, contact information, picture and/or workplace. Submitters can receive and/or send 1-way or at least 2-way communications. At least one embodiment of the invention relates to a method for sending, receiving, reporting or responding to mood related, time-sensitive, live situation, or secretive messages, through a one-step anonymous, or with a specific degree of anonymity, or non-anonymous submit and targeted authorized receipt process, generating, assigning, and utilizing unique identifiers with a corresponding administrative report generating process. Submitters' information and messages can be encrypted, in whole or in part. |
| US10944721B2 |
Methods and systems for efficient cyber protections of mobile devices
Enterprise users' mobile devices typically access the Internet without being protected by the enterprise's network security policy, which exposes the enterprise network to Internet-mediated attack by malicious actors. This is because the conventional approach to protecting the mobile devices and associated enterprise network is to tunnel all of the devices' Internet communications to the enterprise network, which is very inefficient since typically only a very small percentage of Internet communications originating from an enterprise's mobile devices are communicating with Internet hosts that are associated with threats. In the present disclosure, the mobile device efficiently identifies which communications are associated with Internet threats, and tunnels only such identified traffic to the enterprise network, where actions may be taken to protect the enterprise network. |
| US10944719B2 |
Restrict communications to device based on internet access
Examples disclosed herein relate to securing a controller of a device. The controller is to determine whether a network interface of the device is connected to the Internet. Communications are restricted on the network interface in response to the port having access to the Internet. In some examples, the restriction can be related to a vulnerability. |
| US10944714B1 |
Multi-factor domain name resolution
A request for a network address corresponding to a domain name is received. From a plurality of network addresses associated with the domain name, a network address is identified based at least in part on a request-property-based address selection criterion. The network address is included in a response to the request. |
| US10944713B1 |
Secure directory services
Secure directory services are disclosed. A cryptographic hash of a foreign identifier associated with a potential user is received. A determination is made that the received cryptographic hash of the foreign identifier matches a representation of a stored entry. In response to the determination, a transmission of a representation of a native identifier associated with the stored entry is transmitted to the sender of the cryptographic hash of the foreign identifier. |
| US10944702B2 |
Method and device for publishing message and storage medium
A method and device for publishing at least one message and a storage medium is provided. The method includes the following steps. A first message published by a first session account in a first session of an instant messaging client is acquired, and session accounts participating in the first session include at least three session accounts containing the first session account, and the first message is used for allowing reply information of at least one reply of at least one session account participating in the first session to the first message to be displayed in the first message. And the first message is displayed in the first session. |
| US10944701B2 |
Systems and methods for channel based communication and engagement through advertising units
Responsive to a search query received from a remote user device, retrieve one or more channel based communication and engagement objects (CBCEO). Each CBCEO comprises a primary communication channel which is associated with an enterprise data source. Each primary communication channel facilitates electronic communication between the respective enterprise data source of the primary communication channel and users. The one or more retrieved CBCEO are integrated into an advertising unit of a data source. The advertising unit is rendered on a display page by the data source to a display of the user device. An enterprise data source is selected via the one or more CBCEO of the rendered advertising unit from the user device and a secure bidirectional conversation is established. The secure bidirectional conversation comprises an exchange of messages between the user device and the enterprise data source through a primary communication channel of the enterprise data source. |
| US10944697B2 |
Sliding window buffer for minimum local resource requirements
A sliding window buffer is implemented on a local computing device that places chunks of content from a data source into a local buffer for transmission on a per-chunk basis. A portion of memory in the local buffer can be re-used for a single data transmission operation until the content is fully transmitted to a remote computing device. Logical positions on the local buffer which correlate to inner positions on the data source are utilized to enable the sliding window buffer to retrieve and retransmit chunks of data, if necessary. An inner position indicates a byte location in the data source and a logical position indicates a corresponding byte position in the local buffer. The local computing device can utilize byte positions to retrieve and re-transmit chunks of data if, for example, the device fails to receive an acknowledgement from the remote computing device for any of the data. |
| US10944695B2 |
Uplink port oversubscription determination
In some examples, a method can include monitoring data traffic along an uplink port and along at least a subset of a plurality of host ports, determining whether the uplink port is oversubscribed based on the monitored data traffic, determining whether a given host port of the at least a subset of host ports is receiving excessive data traffic in response to determining that the uplink port is oversubscribed, and flagging a host port that is determined to be receiving excessive data traffic. |
| US10944694B2 |
Predictive arbitration circuit
This patent application relates generally to a predictive arbitration circuit for use in arbitrating access by a number of data streams to a shared resource managed by a destination (arbiter), where each data stream is associated with a number of sources competing for the shared resource, and the destination provides access to the shared resource based on the number of sources competing for the shared resource rather than just on the number of data streams. Among other things, this approach can more fairly distribute access to the shared resource among the competing sources. |
| US10944689B2 |
Scalable edge computing
There is disclosed in one example a communication apparatus, including: a telemetry interface; a management interface; and an edge gateway configured to: identify diverted traffic, wherein the diverted traffic includes traffic to be serviced by an edge microcloud configured to provide a plurality of services; receive telemetry via the telemetry interface; use the telemetry to anticipate a future per-service demand within the edge microcloud; compute a scale for a resource to meet the future per-service demand; and operate the management interface to instruct the edge microcloud to perform the scale before the future per-service demand occurs. |
| US10944687B1 |
Systems and methods for optimizing user-resource allocations to servers based on access patterns
Systems, methods, and computer-readable media are provided for facilitating system optimization through the use of user-resource allocations to servers based on determined access patterns. In one embodiment, recurrent patterns of access are identified based on combinations of computer system users and system-hosted resources. In some embodiments, groupings of user-resource combinations can be determined. The groupings are valuable for optimizing the allocation of users and/or resources to a plurality of servers, particularly under conditions of heavy simultaneous resource demand. Patterns may be determined from user-resource pair access time series, and groupings may be determined based on derived strength of association of these. Based on the groupings, users and resources may be allocated to servers efficiently. Allocation optimization can be an effective means for mitigating or preventing Service Level Agreement non-compliance. |
| US10944683B1 |
Hybrid queue system for request throttling
Systems and related methods are disclosed to store and throttle requests received by a service provider. In embodiments, the system includes two queues, a first-in-first-out (FIFO) queue and an overflow queue. An incoming request is stored in the overflow queue when there is no room in the FIFO queue. The overflow queue stores the requests in some priority order, which determines the order that the requests are promoted onto the FIFO queue and throttled. The FIFO queue may be sized according to a response time requirement provided in a service level agreement (SLA). In some embodiments, the FIFO queue may dynamically adjust its size based on the expected processing time or abandon duration of incoming requests. The hybrid approach allows a system to handle requests in simple FIFO order in normal circumstances, and in a more sophisticated priority order when the system is overloaded. |
| US10944676B2 |
Dynamic congestion management
Methods and systems for dynamic congestion management in communications networks that advantageously provides a satisfactory Quality of Experience (QoE) of real time communication for network users. Congestion management is achieved wherein an ingress interface is monitored by a data processing system and when utilization of that interface exceeds a first activation level a message is sent to a second data processing system wherein that second data processing system is a source for at least some of data packets traversing the ingress interface, wherein the first message indicates that traffic shaping is to occur in accordance with the first activation level and only if the utilization falls below a deactivation level, transmitting a second message to the second data processing system wherein the second message indicates that traffic shaping is to stop. |
| US10944673B2 |
Redirection of data messages at logical network gateway
Some embodiments provide a method for forwarding a data message. The method performs a lookup to map a set of header fields of the data message to an identifier corresponding to a service that performs non-forwarding processing on data messages. The method uses a dynamically-updated data structure for the identifier to retrieve instructions for forwarding data messages to the service. The method forwards the data message according to the retrieved instructions from the data structure for the identifier. |
| US10944663B2 |
Categorization of MAC address randomization
Aspects of categorizing MAC address randomization include obtaining probe data for a plurality of time intervals. A likelihood measure of a specified OS type and version belonging to each of a plurality of MAC address randomization categories is determined and the specified OS type and version is categorized based on the likelihood measure. |
| US10944661B2 |
Wireless throughput issue detection using coarsely sampled application activity
In one embodiment, a service in a network samples application traffic throughputs for a set of applications present in a network. The service generates a throughput model based on the sampled application throughputs for the set of applications. The service performs anomaly detection on wireless throughput measurements from the network by comparing the wireless throughput measurements to the generated throughput model. The service sends an anomaly detection notification based on a determination that the wireless throughput measurements from the network are anomalous. |
| US10944659B2 |
Delay spread and average delay quasi-collocation sources for positioning reference signals
Disclosed are techniques for receiving reference radio frequency (RF) signals for positioning estimation. In an aspect, a receiver device receives, from a transmission point, a reference RF signal on a wireless channel receives, from a positioning entity, an indication that the reference RF signal serves as a source for a quasi-collocation (QCL) type(s) for positioning reference RF signals received by the receiver device from the transmission point on the wireless channel, measures an average delay, a delay spread, or both the average delay and the delay spread of the reference RF signal based on the QCL type(s), receives, from the transmission point, a positioning reference RF signal on the wireless channel, and identifies a time of arrival (ToA) of the positioning reference RF signal based on the measured average delay, the delay spread, or both the average delay and the delay spread of the reference RF signal. |
| US10944658B2 |
Method, apparatus and system for method for start-up of monitoring of monitor objects in a computer-integrated telecommunications environment
A method of monitoring of monitor objects in a computer-integrated telecommunications environment can include, at an initial start-up phase: upon a first-time establishment of an association between a first computing device and a switching device using a communication link, sending a first message from the first computing device to the switching device to request an identification for all monitor objects that are to be monitored by the first computing device; and in response to the first message, sending a second message from the switching device to the first computing device. The second message can refer to a third message to follow. The third message can be sent from the switching device to the first computing device that refers back to the second message and includes a list of all monitor objects allocated to the first computing device. |
| US10944656B2 |
Technologies for adaptive processing of multiple buffers
Technologies for adaptive processing of multiple buffers is disclosed. A compute device may establish a buffer queue to which applications can submit buffers to be processed, such as by hashing the submitted buffers. The compute device monitors the buffer queue and determines an efficient way of processing the buffer queue based on the number of buffers present. The compute device may process the buffers serially with a single processor core of the compute device or may process the buffers in parallel with single-instruction, multiple data (SIMD) instructions. The compute device may determine which method to use based on a comparison of the throughput of serially processing the buffers as compared to parallel processing the buffers, which may depend on the number of buffers in the buffer queue. |
| US10944655B2 |
Data verification based upgrades in time series system
A time series system is updated using a data-verification system. The aggregation system may include one or more aggregators. When an upgrade is appropriate, a shadow aggregator may be added to the set of active aggregators. Metrics are provided from one or more collectors to an active aggregator. The shadow aggregator may receive the metrics intended for a particular aggregator, process the metric, and then pass the metric to the intended aggregator for processing. After a period of time, the shadow aggregator data is verified against the intended aggregator data. If the shadow aggregator data is verified, the shadow aggregator becomes an active aggregator and processes data as normal. |
| US10944654B2 |
Discovery and mapping of containerized software applications
An example system includes a database disposed within a remote network management platform that manages a managed network, where one or more worker nodes are configured to execute containerized software applications on behalf of the managed network. The system also includes a computing device configured to request and receive configuration data identifying the applications; access traffic data generated by packet detection modules disposed amongst the one or more worker nodes and configured to (i) monitor network traffic between the applications and (ii) generate and store the traffic data which is indicative of the monitored network traffic; parse the traffic data for one or more patterns indicative of communicative relationships between the applications; based on the one or more patterns being present in the traffic data, generate mappings between the applications that have communicative relationships therebetween; and store, in the database, the configuration data and the mappings. |
| US10944649B2 |
CRM integrated chat with authorization management
Various arrangements are presented for allowing a remote expert to assist a customer relationship management (CRM) agent. A CRM system may present details about an accessed customer account and an option to remotely contact an expert, wherein the expert has more access rights to a CRM communication system than the CRM agent. A request to contact the expert and a selection of a subject matter from a plurality of subject matters may be received. The request may be routed to the expert based on expert routing rules enforced by the CRM communication system. A chat communication session with the expert may be initiated. The expert CRM client system may be caused to access the customer account. Details about the accessed customer account and a chat interface to communicate with the CRM agent may be output. |
| US10944645B2 |
Node of a network and a method of operating the same for resource distribution
There is provided a node of a network and a method of operating the same. According to the method, data transmissions between a plurality of resources at the node of the network are monitored (400). A pattern in the monitored data transmissions is identified between the plurality of resources at the node of the network (402). A distribution of the plurality of resources at the node of the network the network is adapted based on the identified pattern in the monitored data transmissions (404). |
| US10944641B1 |
Systems and methods for application traffic simulation using captured flows
Application performance can be simulated based on captured application-specific traffic flows through a managed network. Traffic flows may be captured across the managed network and associated with a particular application. The captured flows can be used to generate trend lines and models. The generated trend lines and models may be used to simulate application performance responsive to changes in network characteristics and provided to a user through a graphical user interface as a graph. The user may then adjust simulated network characteristics through the graphical user interface to perform various hypothetical network simulations. |
| US10944637B2 |
System and/or method for maintaining highly-available, consistent, partition-tolerant clusters using client voters
Certain example embodiments relate to a distributed computing system including servers organized in a cluster and clients. One server is elected leader and is responsible for maintaining consensus information among the other servers. Each server is configured to determine whether a new leader election is to take place. If so, the respective server requests votes for a new leader from the other server(s) and determines whether it has won by a clear majority. Depending on the implementation, votes from eligible client devices are counted, either in a main election together with server votes, or in a tie-break election (if needed) after server votes. Once a server has won, the other servers are informed accordingly. It therefore is possible to maintain a highly-available, consistent, partition-tolerant cluster in the distributed computing systems, using client voters. |
| US10944634B1 |
Optimization for network connections
A method for network connection optimization is provided. The method includes collecting, at a first endpoint device coupled to a network, parameter values for determination of effective bandwidth of network connections to further endpoint devices. The method includes determining that a next network connection from the first endpoint device to a second endpoint device matches a past network connection or a geographical area or a network topology area of the past network connection. The method includes initiating the next network connection, from the first endpoint device to the second endpoint device, with a transmission bandwidth based on the parameter values for the past network connection. |
| US10944632B2 |
Accelerated network reconnect using previous connection parameters
A Wi-Fi device includes a controller coupled to a writeable memory implementing a MAC and PHY layer and to a transceiver. Connection data stored in the writeable memory includes Wi-Fi connection parameters including ≥1 router MAC level information or a most recently utilized (MRU) channel used, and IP addresses including ≥1 of an IP address of the Wi-Fi device, IP address of the MRU router, an IP address of a MRU target server, and an IP address of a network connected device. An accelerated reconnecting to a Wi-Fi network algorithm is implemented by the processor is for starting from being in a network disconnected state, establishing current connection parameters for a current Wi-Fi network connection using the Wi-Fi connection parameters for at least one MAC layer parameter for the MAC layer. |
| US10944630B2 |
Seamless automation of network device migration to and from cloud managed systems
The present technology is directed to an automated end to end network migration process from on-premise to cloud-based management platforms and visa-versa. The disclosed technology describes an enhanced plug and play (PnP) software agent operationally coupled to a device and capable of interacting with a PnP service hosted on a target management platform to thereby initiate the migration process. The PnP service on the target management platform upon receiving a migration request from the device PnP agent, maps the requesting device onto a client profile existing on the target management platform and identifies therefrom the associated default controller for the device. Subsequently, the device is directed to acquire and boot up on a new software image compatible with the target management platform and following a conversion of its existing configuration into a version compatible with the new software image, the device is migrated to the associated default controller. |
| US10944626B2 |
Enterprise mobility management (EMM) intermediary application
Embodiments of the disclosure provide systems and methods for accessing an Enterprise Mobility Management (EMM) application. According to one embodiment, a method for utilizing Enterprise Mobility Management (EMM) services can comprise receiving, at an EMM enabler application executing on an EMM system, a request for EMM information from a client application during a log in processes or the EMM system by the client application. The EMM enabler application can comprise an intermediary between the client application and the EMM system and the EMM enabler application can support a plurality of different EMM systems. The EMM enabler application can make an EMM-specific request for configuration information to the EMM system, receive the requested configuration information from the EMM system in response to the request, and provide, to the client application in response to the received request, the received configuration information from the EMM system. |
| US10944624B2 |
Changing a master node in a blockchain system
Implementations of this specification provide a method and an apparatus for changing a master node in a blockchain system. An example method performed by a backup node in the blockchain system includes determining that an epoch change is to occur in a blockchain system, generating a random number, and in response to determining that the random number satisfies an epoch change trigger condition, sending an epoch change request message to multiple network nodes other than the backup node in the blockchain system. The backup node receives a request acknowledgement message from at least one of the multiple network nodes, the request acknowledgement message indicating that the backup node is to serve as the new master node, and in response to receiving a number of request acknowledgement messages that is greater than a predetermined number of messages, the backup node sends an epoch change acknowledgement message to the multiple network nodes. |
| US10944621B2 |
Orchestrator for a virtual network platform as a service (VNPAAS)
The disclosure relates to an orchestrator, for a Virtual Network Platform as a Service (VNPaaS), which orchestrates the management of a Network Service (NS). The orchestrator is operative to select an orchestration zone for each of a plurality of Virtual Network Functions (VNFs) in the NS based on selected deployment locations, where each orchestration zone comprises at least one VNF. The orchestrator is operative to associate sub-services to the selected orchestration zones, the sub-services being obtained from a decomposition of the NS into a number of sub-services equal to a number of orchestration zones selected and each sub-service comprising at least one of the plurality of VNFs. The orchestrator is operative to initiate deployment of the sub-services in the selected orchestration zones. |
| US10944620B2 |
Multiplexers with protection switching
The present invention is directed to data communication. In certain embodiments, the present invention provides switching mechanism for choosing between redundant communication links. Data received from a first set of communication links are processed to have alignment markers removed, and first figure of merit value is determined based on the data without alignment markers. Similarly, a second figure of merit value is determined for the data received from the second set of communication links. A switch selects between the first set of communication links and the second set of communication links based on their respective figure of merit values. Alignment markers are inserted into the data transmitted through the selected set of data links. There are other embodiments as well. |
| US10944616B1 |
Method for estimating sampling frequency offset of receiver, and associated signal processing method and receiver
The present invention provides a method for estimating a sampling frequency offset of a receiver supporting ATSC 3.0 standard is disclosed. The method includes the steps of: receiving a bootstrap signal comprising a plurality of symbols; performing an autocorrelation operation on a first symbol of the plurality of symbols to generate a first correlation result; performing the autocorrelation operation on a second symbol of the plurality of symbols to generate a second correlation result; and determining the sampling frequency offset according to the first correlation result and the second correlation result. |
| US10944615B2 |
Control apparatus, device and method, signal processing apparatus and method, and mobile terminal
Provided are a control apparatus, device and method for a wireless communication system, a signal processing apparatus and method for a mobile terminal, a mobile terminal and a wireless communication system. The control apparatus comprises: a control circuit, wherein the control circuit is configured to make a plurality of the wireless communication devices send, to a mobile terminal, a plurality of synchronous sequence signals which are different from each other. According to the control apparatus, device and method, the signal processing apparatus and method, the mobile terminal and the wireless communication system in the present disclosure, the influence of a large-carrier frequency offset on the performance of a timing synchronization system can be effectively suppressed and eliminated. |
| US10944612B2 |
System and method for frequency synchronization of Doppler-shifted subcarriers
A method includes receiving an Orthogonal Frequency Division Multiplexing (OFDM) signal comprising a plurality of Doppler-shifted OFDM subcarriers and determining frequency-shift data corresponding to the plurality of Doppler-shifted OFDM subcarriers. The determining includes calculating frequency-shift data for each Doppler-shifted OFDM subcarrier of the plurality of Doppler-shifted OFDM subcarriers, thereby yielding a plurality of subcarrier-specific frequency-shift values and calculating an average of the plurality of subcarrier-specific frequency-shift values. The method further includes frequency shifting each subcarrier of the plurality of Doppler-shifted OFDM subcarriers by a value based on the determined frequency-shift data multiplied by a frequency index of each subcarrier. |
| US10944611B2 |
Method for transmitting or receiving signal using long sequence and apparatus therefor
The present document relates to a method for transmitting a signal using a long sequence in a wireless communication system. According to the method, a transmission side device transmits a signal using the long sequence comprising a combination of a plurality of sub-subsequences, wherein each of the plurality of sub-subsequences comprises a combination of a plurality of short base sequences, each having a length equal to or shorter than a predetermined length, and sequences obtained by multiplying each of the base sequences by a cover sequence. |
| US10944599B2 |
Systems and methods for communicating high speed signals in a communication device
A coupling module can be used to communicate high speed signals between an optical transceiver and a processing module of an optical communication device, such as an optical line termination (OLT) or an optical network unit (ONU). The coupling module can adjust the common mode voltage level of a differential signal output by the optical transceiver to the common mode voltage level required by the processing module. In addition, the coupling module splits each of the differential output signals from the optical transceiver and passes the split signals to both a high-pass filter and a low-pass filter that are connected in parallel. The outputs of the high-pass filter and the low-pass filter from different paths of the differential signal are cross-coupled and combined to provide a differential signal to the processing module. |
| US10944595B2 |
Method for tracking phase noise in wireless communication system and device therefor
Disclosed herein is a method and apparatus for a User Equipment to perform a phase tracking in a wireless communication system. According to the present invention, it may be provided the method and apparatus including receiving, from a base station, a Demodulation Reference Signal (DMRS) configured according to a specific pattern through a DMRS symbol; receiving, from the base station, a plurality of reference signals used for the phase tracking, wherein the plurality of reference signals is transmitted on a specific antenna port, and received through a specific resource region identical to at least one different reference signal transmitted on a different antenna port for the phase tracking; and performing the phase tracking based on at least one of the DMRS or the plurality of reference signals. |
| US10944593B2 |
Frame transmitting method and frame receiving method
A method of transmitting a frame is provided by a device in a WLAN. The device sets as additional data subcarriers some of subcarriers which are not set as data subcarriers in at least part of fields included in a frame of a legacy frame format, and allocates information to the additional data subcarriers. |
| US10944592B2 |
Method for data transmission and reception of random access procedure
A method for data transmission of a random access procedure for a user equipment of a wireless communication system is disclosed. The method comprises transmitting a preamble and data of the random access procedure in one message to a network of the wireless communication system, wherein the step of transmitting the preamble and the data comprises transmitting the data with the same numerology as that of the preamble. |
| US10944583B2 |
Proximity services priority control for multicast traffic in proximity services user equipment-network relay scenario
Various communication systems may benefit from proper priority control. For example, communication devices in a proximity services user equipment to network relay scenario may benefit from proximity services priority control for multicast traffic. A method can include receiving, at a relay user equipment, an indication of proximity services priority from a remote user equipment. The method can also include applying, by the relay user equipment, a priority based on the indication received from the remote user equipment. |
| US10944582B2 |
Method and apparatus for enhancing multicast group membership protocol(s)
A method and an apparatus for enhancing multicast group membership protocols are described. An adjacent multicast network device, coupled with a plurality of host NDs, determines the number of host NDs that are to receive query messages. The adjacent multicast ND determines its current processing capacity for processing group membership reports to be received from the host NDs. The adjacent multicast ND determines a query response interval based on the number of host NDs and its current processing capacity. The adjacent multicast ND transmits, to each one of the plurality of host NDs, a query message including the query response interval. The query message causes the adjacent multicast ND to receive from each one of the plurality of host NDs a group membership report at a time interval defined based on the query response interval. |
| US10944581B2 |
Increasing processing capacity of processor cores during initial program load processing
According to one or more embodiments of the present invention, a computer-implemented method includes allocating a set of computing resources to a first partition from a plurality of partitions in a computer server, and monitoring a usage duration of the set of computing resources by the first partition. The method further includes generating a billing statement based on the usage duration of the computing resources by the first partition. The method further includes detecting an abnormal event in operation of the first partition and adjusting one or more settings of the set of computing resources to increase processing capacity associated with the first partition to complete the abnormal event. The method further includes monitoring a first usage duration of the computing resources during completion of the abnormal event and adjusting the usage duration of based on the first usage duration, and adjusting the billing statement using the adjusted usage duration. |
| US10944580B2 |
Responding to a termination reason in an accounting record
Technology to respond to a termination reason of an accounting record via an improved charging component is disclosed. The disclosed subject matter can be backwards compatible to support responding to a conventional SIP ‘BYE’ method and a conventional SIP ‘CANCEL’ method. Additionally, the disclosed subject matter can respond to other SIP methods, empty reason-headers, etc. In an aspect, a reason-header can be forced into an accounting record based on received session termination information. In an embodiment, the reason-header can be determined to satisfy a rule related to acceptable reason-headers. Where the rule is determined to be unsatisfied, a query can be generated toward a device that supported the now terminated communication, wherein a response to the query can comprise another reason-header that can be determined to satisfy the rule. The accounting record can be updated based on the other reason-header and employed in generating a charging data record that can alter corresponding billing. |
| US10944579B2 |
Device pairing and authentication
Methods for system component pairing and authentication are described. A first system component may pair with a second system component in response to receiving a unique identifier from the second system component. The first system component may store the received unique identifier and, thereafter, may authenticate that it is, in fact, communicating with the second system component. The first component may communicate a challenge message directed to the second system component and if the contents of the reply message and the time taken to receive the reply message do not correspond to expected values, the first component may determine that it may not be communicating with the intended second component and may cease communications with the second component. |
| US10944574B2 |
Method for providing virtual asset service based on decentralized identifier and virtual asset service providing server using them
A method for providing a virtual asset service based on a DID (decentralized identifier) is provided. The method includes steps of: a service providing server (a) if VADs (virtual asset addresses) are registered as a whitelist and if virtual asset transmission is requested, (a1) transmitting the virtual asset from a sender's VAD to a first VAD, (a2) if the first VAD is not registered, allowing a sender's device to request for registration of receiver's KYC, transmit or register a receiver's signature to the service providing server or in a data hub, and (3) transmit a receiver's DID to the service providing server; and (b) (i) acquiring a receiver's public key and a second VAD, or acquiring the signature from the data hub (ii) verifying the signature and the first VAD, and (iii) if the first and the second VADs are identical, registering the first VAD and transmitting the virtual asset. |
| US10944572B2 |
Decryption and variant processing
A plurality of byte ranges including at least one encrypted byte range forms a variant sample for providing a digital watermark in content output by a player device. The plurality of byte ranges is ordered in a secured memory, and stored in an unsecured memory including one or more encrypted byte ranges for further processing of the ordered plurality of byte ranges. According to another aspect, a plurality of byte ranges forms a sample for content output from a player device, and includes at least one double-encrypted byte range. The plurality of byte ranges is stored in a secured memory, and the at least one double-encrypted byte range is partially decrypted to generate at least one decrypted singe-encrypted byte range. The plurality of byte ranges is stored in an unsecured memory using the at least one decrypted single-encrypted byte range in place of the at least one double-encrypted byte range. |
| US10944568B2 |
Methods for constructing secure hash functions from bit-mixers
Provided is a method and system for producing message authentication tags and a method and system for producing hash values using bit-mixers. The methods include producing a message authentication or hash value by obtaining a message; segmenting, padding by an electronic processor, the message into a number of equal sized message blocks comprising a first message block, one or more subsequent message blocks, and a final message block; performing, by the electronic processor, a first bit-mixing operation on the first message block with an initialization value; performing, by the electronic processor, subsequent bit-mixing operations on the one or more subsequent message blocks and the final message block with a previous message block; and producing, by the electronic processor, the message authentication tag based on the first bit-mixing operation and the subsequent bit-mixing operations, employing a secret key material. |
| US10944566B2 |
Methods and systems for supporting fairness in secure computations
A computer-implemented method, computerized apparatus and computer program product for supporting fairness in secure computations. A trusted execution platform with remote attestation (“enclave”) is provided to each of a plurality of participants. An authenticated public ledger accessible by all participants is also provided. Each of the enclaves is configured for obtaining at least a portion of an input to a function for computing a joint secret output, complementing the input by obtaining any remainder portion(s) thereof from one or more other enclaves, and, responsive to obtaining an indication from the ledger that the output can be computed by each of the enclaves, providing to the owner participant the output computed using the function and input. At least one of the enclaves is further configured for providing the indication to the ledger responsive to obtaining knowledge that the output can be computed by each of the enclaves. |
| US10944560B2 |
Privacy-preserving identity asset exchange
A processor-implemented method facilitates identity exchange in a decentralized setting. A first system performs a pseudonymous handshake with a second system that has created an identity asset that identifies an entity. The second system has transmitted the identity asset to a third system, which is a set of peer computers that support a blockchain that securely maintains a ledger of the identity asset. The first system transmits a set of pseudonyms to the third system, where the set of pseudonyms comprises a first pseudonym that identifies the first system, a second pseudonym that identifies a user of the second system, and a third pseudonym that identifies the third system. The first system receives the identity asset from the third system, which securely ensures a validity of the identity asset as identified by the first pseudonym, the second pseudonym, and the third pseudonym. |
| US10944542B2 |
Method as well as clock recovery module for recovering a clock signal from a data signal
A method for recovering a clock signal from a data signal by using a clock recovery module is described. At least one bit count of the data signal is received. At least one edge timing of the data signal is received. At least one cost function is formed that comprises the at least one bit count of the data signal and the at least one edge timing of the data signal. The at least one cost function is minimized with respect to at least one of a clock edge timing and a bit period. Further, a clock recovery module is described. |
| US10944537B2 |
Clock recovery device and source driver for recovering embedded clock from interface signal
In generating a mask signal used to recover a clock signal embedded in an interface signal, the mask signal may be generated by comparing a plurality of comparison signals, generated by delaying a plurality of mask rising signals by a predetermined time, with the clock signal and selecting one mask rising signal used to generate a comparison signal close to one portion of the clock signal from among the plurality of mask rising signals. |
| US10944536B2 |
Transmission device, reception device, communication system, signal transmission method, signal reception method, and communication method
A transmission device of the disclosure includes: a clock signal transmitting circuit that outputs a clock signal onto a clock signal line; a data signal transmitting circuit that outputs a data signal onto a data signal line; and a blanking controller that controls the clock signal transmitting circuit to output a predetermined blanking signal, in place of the clock signal, from the clock signal transmitting circuit to the clock signal line in synchronization with a blanking period of the data signal. |
| US10944535B2 |
OFDMA baseband clock synchronization
A method for synchronizing baseband clocks in an OFDMA wireless microphone system is disclosed. An example method includes receiving a plurality of pilot subcarriers from an audio transmitter. The method also includes determining a timing offset estimate based on the pilot subcarriers. The method further includes determining a tuning value by passing the timing offset estimate through a proportional-integral controller. The method still further includes determining a modified reference signal by modifying a reference oscillator based on the tuning value. And the method yet further includes controlling (i) an audio sample clock and (ii) an antenna data clock based on the modified reference signal. |
| US10944533B2 |
Method and apparatus for high rate data transmission in wireless communication
Techniques for utilizing multiple carriers to substantially improve transmission capacity are described. For multi-carrier operation, a terminal receives an assignment of multiple forward link (FL) carriers and at least one reverse link (RL) carrier. The carriers may be arranged in at least one group, with each group including at least one FL carrier and one RL carrier. The terminal may receive packets on the FL carrier(s) in each group and may send acknowledgements for the received packets via the RL carrier in that group. The terminal may send channel quality indication (CQI) reports for the FL carrier(s) in each group via the RL carrier in that group. The terminal may also transmit data on the RL carrier(s). The terminal may send designated RL signaling (e.g., to originate a call) on a primary RL carrier and may receive designated FL signaling (e.g., for call setup) on a primary FL carrier. |
| US10944532B2 |
Method and apparatus for data transmission
A method for data transmission, includes: determining configuration information of at least one flexible subframe included in a time division duplex (TDD) radio frame, wherein the at least one flexible subframe is configured to include at least one uplink transmission symbol and at least one downlink transmission symbol, and sub-timeslots occupied by the at least one uplink transmission symbol and the at least one downlink transmission symbol are alternately configured; transmitting the determined configuration information of the at least one flexible subframe to user equipment (UE) by using signaling; and according to the determined configuration information of the at least one flexible subframe, receiving uplink data in a sub-timeslot of the at least one uplink transmission symbol and sending downlink data in a sub-timeslot of the at least one downlink transmission symbol. |
| US10944531B2 |
Method and apparatus for transmitting wireless local area network information
A method for sending a wireless local area network packet structure is provided, and the method comprises: determining a packet structure, where the packet structure comprises an HE-SIGA and an HE-SIGB, the HE-SIGA comprises an indication information, and if a current transmission mode is a full bandwidth MU-MIMO transmission, the indication information is used to indicate a number of scheduled users, or if the current transmission mode is other transmission mode, the indication information is used to indicate a number of symbols in the HE-SIGB; and sending the packet structure. |
| US10944524B2 |
Method and system for centralized or distributed resource management in a distributed transceiver network
A master application device comprises a plurality of distributed transceivers, a central baseband processor, and a network management engine that manages operation of the master application device and end-user application devices. The master application device communicates data streams to the end-user devices utilizing one or more distributed transceivers selected from the plurality of distributed transceivers. The selected distributed transceivers and the end-user devices are concurrently configured by the network management engine based on corresponding link quality and propagation environment. The network management engine allocates resources to the selected distributed transceivers and the end-user devices during the data communication. The network management engine continuously monitors communication environment information to configure beamforming settings and/or antenna arrangement for the selected distributed transceivers. Beam patterns are selected for the selected distributed transceivers so as to minimize power consumption and/or based on the location and orientation information of the end-user application devices. |
| US10944522B2 |
System and method for OFDMA tone allocation in next generation Wi-Fi networks
An orthogonal frequency division multiple access (OFDMA) frame tone allocation includes a 256 tone payload consisting of 228 data and pilot tones and 28 null tones. The 28 null tones consist of guard tones and at least one direct current (DC) tone. In one example, the 256 tone payload consists of 224 data tones, 4 common pilot tones, and 28 null tones. In another example, the 256 tone payload consists of 222 data tones, 6 common pilot tones, and 28 null tones. In yet another example, the 256 tone payload may consist of 220 data tones, 8 common pilot tones, and 28 null tones. The OFDMA frame may be a downlink OFDMA frame or an uplink OFDMA frame. |
| US10944520B2 |
System and method for common phase error and inter-carrier interference estimation and compensation
A system and method for transmitting an orthogonal frequency-division multiplexed signal with a group distributed phase tracking reference signal subcarrier structure, and for estimating, and compensating for, both common phase error, and inter-carrier interference. |
| US10944515B2 |
Low latency hybrid automatic repeat request (HARQ) feedback for wireless networks
An example implementation includes determining, by a user device, that the user device is a low-latency mode user device; receiving a downlink data block in downlink subframe n; determining a hybrid automatic repeat request (HARQ) feedback for the data block; determining, by the low-latency mode user device, an uplink subframe n+k at a HARQ feedback offset of k subframes from subframe n, and one or more uplink HARQ resources for the uplink subframe n+k reserved for the HARQ feedback from the low-latency mode user device; and transmitting, by the low-latency mode user device, the HARQ feedback via subframe n+k and the one or more uplink HARQ resources. |
| US10944513B2 |
Device and method in wireless communication system
A device includes a transmitting unit configured to transmit a first allocation signal synthesized by use of the superimposed coding to plenty of user equipment at least including a first and a second user equipment, and the first allocation signal at least including a first power signal part for the first user equipment and a second power signal part for the second user equipment; a receiving unit that receives at least a feedback retransmission request from the first and the second user equipment; and a processing unit that processes the first and the second power signal parts with a preset processing coefficient to obtain a second allocation signal in response to the retransmission request. |
| US10944511B2 |
Information bits for polar codes with mixed criteria
According to some embodiments, a method performed by a wireless device for polar encoding payload bits comprises: identifying payload bits of a data channel that have known values; placing a first subset of the known payload bits at input positions of a polar encoder that correspond to the earliest decoding bit positions of the polar encoder; placing a second subset of the known payload bits at input positions of the polar encoder that correspond to the least reliable decoding bit positions of the polar encoder after placement of the first subset of the known payload bits; and transmitting the polar encoded payload bits to a wireless receiver. The first subset of the known payload bits are placed in earliest decoding bit positions to improve early termination gain. The second subset of the known payload bits are placed in least reliable decoding bit positions to enhance error performance. |
| US10944508B2 |
Data processing method and communications device
This application provides a data processing method and a communications device. The data processing method includes: determining, by a first communications device, NCB, based on a size of the circular buffer of the communications device and an information processing capability of a second communications device; and obtaining, by the first communications device, a second encoded bit segment from a first encoded bit segment having a length of NCB. According to the data processing method and the communications device provided in this application, decoding complexity of the communications device can be reduced and communication reliability can be improved. |
| US10944498B2 |
Device and method for monitoring two-stage faults of TDM-PON with high precision
The present invention discloses a device and a method for monitoring two-stage faults of a TDM-PON with high precision. A two-stage TDM-PON system includes an OLT I, a feeder fiber II, a stage-1 1:n optical splitter III, a stage-1 branch fiber IV, a stage-2 1:n optical splitter V, a stage-2 branch fiber VI, and an optical network unit (ONU) VII. A two-stage optical network monitoring system includes a monitoring part on the OLT I side and a monitoring part on the ONU VII side, where the monitoring part on the OLT I side includes a control-end isolator-free semiconductor laser, a control-end coupler, a control-end optical coupling device, a control-end photodetector, an integrated signal acquisition and processing device, and an optical coupling device; and the monitoring part on the ONU VII side is similar to the monitoring part of the OLT I side. |
| US10944497B2 |
Method for controlling inter-cell interference due to SRS transmission in wireless communication system and device for same
A method for controlling inter-cell interference due to sounding reference symbol (SRS) transmission of an inter-cell terminal to which a base station belongs by the base station in a wireless communication system can comprise the steps of: receiving, from an adjacent base station, information relating to a physical resource region causing interference in adjacent cells due to SRS transmission of a terminal, identifier information of the terminal and transmission beam identifier information of the terminal; and allocating a different uplink channel or allocating an SRS corresponding to a transmission beam identifier other than the transmission beam identifier of the terminal to the physical resource region of the terminal. |
| US10944496B2 |
Time-domain and frequency-domain approach to frequency offset correction method for LTE SC-FDMA uplink
Systems and methods for canceling carrier frequency offset (CFO) and sampling frequency offset (SFO) in a radio receive chain are disclosed. In one embodiment, a method is disclosed, comprising: receiving a sub-frame via a radio receive chain in a time domain; performing per-user filtering on the sub-frame to obtain a signal for a particular user; obtaining a CFO correction signal; adding the CFO correction signal in the time domain to perform a CFO correction step on the signal for the particular user; performing an FFT on the output of the CFO correction step to obtain samples in a frequency domain; adding an SFO correction signal in the frequency domain to perform an SFO correction to the output of FFT step; and demodulating the output of SFO correction step, thereby performing CFO and SFO correction while reducing inter-carrier interference (ICI). |
| US10944495B2 |
Anti-interference method and system
Provided is an anti-interference method and system. The anti-interference method includes: setting an orthogonal code division sequence according to a subcarrier position in a frequency domain of resource elements (REs) of a data channel in at least one sub-frame; and configuring transmitting frequency domain symbols of the REs by using the orthogonal code division sequence corresponding to the subcarrier position of the REs. |
| US10944494B2 |
Timing alignment in distribution point units (DPUs) connected to a virtual distribution point
A system for canceling crosstalk between one or more local distribution point units (DPUs)/fiber extender (FE) and a central distribution point (CDP) in a central office (CO)/cloud. The system can include a processor with memory configured to virtualize signal processing tasks from the DPU/FE, and to the CDP. The virtualization can include moving or splitting signal processing tasks such as a cross talk cancellation operation, from the DPUs/FEs and to the CDP, as virtualization of the tasks, and performing crosstalk cancelation for lines therebetween or with CPEs of a same vectored group. |
| US10944493B2 |
Monitoring video broadcasts
Implementations of this disclosure provide for video broadcast monitoring. An example method performed by a video broadcast monitoring device includes obtaining a first video that is provided by a video output device for presentation by a video display device; obtaining first characteristic information of a second video, the second video being a video that is to be monitored by the video broadcast monitoring device, and the first characteristic information indicating pixel change characteristics of the second video; determining, based on the first characteristic information, whether the first video matches the second video, to obtain a result of the determining; generating monitoring information that includes the result of the determining; and providing the monitoring information to a server. |
| US10944492B2 |
Apparatus and method for transmitting and receiving broadcast signal
A method for delivering data in a transmitter includes generating service layer signaling (SLS) information comprising information for discovery and acquisition of at least one content component, wherein the SLS information and the at least one content component are carried based on a Real-Time Object Delivery over Unidirectional Transport (ROUTE) protocol or an MPEG Media Transport (MMT) protocol; generating service list table (SLT) information comprising bootstrap information for acquiring the SLS information; encapsulating the at least one content component, the SLS information and the SLT information; and transmitting a broadcast signal comprising the at least one content component, the SLS information and the SLT information. |
| US10944486B2 |
DC current cancellation scheme for an optical receiver
In high data rate receivers, comprising a photodetector (PD) and a transimpedance amplifier (TIA), a transmitted optical signal typically has poor extinction ratio, which translates into a small modulated current with a large DC current at the output of the PD. The large DC current saturates the TIA, which significantly degrades the gain and bandwidth performance. Accordingly, cancelling photo diode DC current in high data rate receivers is important for proper receiver operation. A DC current cancellation loop, comprising a low pass filter section and a trans-conductance cell (GM) are connected to the input of the TIA. PD DC current IDC is drawn from the input node of the TIA in the GM cell, such that the cancellation loop maintains the DC voltage value of the TIA input node to be the same as a reference voltage (VREF). |
| US10944479B2 |
Optical module and optical communication system
An optical module includes a photoelectric converter configured to receive an optical signal having an intensity that changes at one of a first frequency or a second frequency that is higher than the first frequency, and convert the optical signal into a current signal corresponding to the intensity of the optical signal; a signal processor configured to acquire, when the optical signal has the intensity that changes at the first frequency, wavelength information set on a transmitting side based on a ratio between a plurality of signal intensities included in the current signal relating to the optical signal having the intensity that changes at the first frequency; and a decoder configured to generate, when the optical signal has the intensity that changes at the second frequency, communication data from the current signal relating to the optical signal having the intensity that changes at the second frequency. |
| US10944473B2 |
Method, apparatus and device for predicting fault of optical module
A method and an apparatus for predicting a fault of an optical circuit includes determining a classification threshold of an operating parameter based on a classification sample set corresponding to the operating parameter of optical circuit and predicting, based on comparison results between the classification threshold and a plurality of measured values in a sequence, whether a fault occurs in the future on the optical circuit corresponding to the sequence. |
| US10944469B2 |
Wireless distribution of aircraft data and/or avionics parameters and/or control commands between a standardized aircraft interface point and other systems, e.g., passenger entertainment systems
A system for wireless distribution of aircraft data, avionics parameters or control commands between a standardized aircraft interface point and other systems, including a portable in-flight entertainment (IFE) server. The system comprises an aircraft data system with avionics buses for carrying at least one of aircraft data, avionics parameters or control commands. A first module is configured to directly interface with the avionics buses, in order to read/write data. A second module is configured to combine/adapt the data and generate signals of the combined/adapted data. A third module is configured to transmit the signals from the second module via wireless standard protocols towards the portable IFE server. The IFE server is configured to receive the signals from the third module. |
| US10944467B2 |
Reconfigurable and modular active repeater device
An active repeater device includes a primary sector and one or more secondary sectors, receives a first beam of input RF signals. A first set of analog baseband signals, are generated based on received first beam of input RF signals. The first set of analog baseband signals are converted to a first set of coded data signals and control information is extracted from the first set of coded data signals by decoding only a header portion of the first set of coded data signals without demodulation of data portion of the first set of coded data signals. Based on the extracted control information, the first set of coded data signals are transmitted as beams of output RF signals to remote user equipment. The transmission is independent of demodulation of the data portion within the active repeater device to reduce latency for transmission of the first set of coded data signals. |
| US10944464B2 |
Method and apparatus for switching analog beam
Example methods and apparatus for switching an analog beam are described. One example method includes transmitting a data channel by a terminal by using a first analog beam. The terminal determines that a second analog beam is a target beam to be switched to. The terminal transmits a related signal of the data channel by using the second analog beam. The terminal transmits a data channel by using the first analog beam. The terminal switches from the first analog beam to the second analog beam to transmit the data channel in response to determining that a specified condition is met. |
| US10944462B2 |
Data transmission method and apparatus
Embodiments of this application provide a data transmission method and apparatus. The method includes: sending, by a network device, first information by using first signaling, where the first information is used to indicate a quantity N of transmitted precoding matrix indicators TPMIs in second signaling; and sending, by the network device, resource scheduling information and the N TPMIs by using the second signaling, where the resource scheduling information is used to indicate n scheduled physical resource blocks PRBs of M PRBs included in a communication bandwidth, all or some of the N TPMIs is used to indicate a precoding matrix of the n PRBs. |
| US10944454B2 |
Method for transmitting and receiving a PUSCH and DMRS by terminal and base station in wireless communication system and device supporting same
Disclosed are a method for transmitting and receiving a signal by a terminal and a base station and a device supporting same. More particularly, disclosed are a method for transmitting and receiving a signal by a base station or a terminal by means of applying a beam-forming method which varies for each predetermined resource region, and a device supporting same. |
| US10944446B2 |
Electronic device and method for short range wireless communication in the electronic device
Disclosed are an electronic device and a method of short range wireless communication in an electronic device. The method of operating the electronic device may include: when a cover is connected to the electronic device through a short range wireless communication connection, determining generation of an event related to the cover. The method further comprises, when the event is generated, supplying power to the cover through wireless communication, when the cover is driven by the supplied power, transmitting event information to the cover through the short range wireless communication connection to display the information related to the generated event on the cover, and, when an operation of the cover according to the event is completed, switching to a standby mode after releasing the short range wireless communication connection with the cover. |
| US10944438B2 |
Communication unit
A communication unit includes the following elements. A first transmit circuit outputs a first signal or a second signal from a first input signal. A first amplifier amplifies the first signal and outputs a first amplified signal. A first signal generating circuit generates a third signal having a frequency higher than a frequency of the second signal, based on the second signal and a first reference signal. A first filter circuit receives the third signal and allows one of a frequency component representing a sum of the frequency of the second signal and a frequency of the first reference signal and a frequency component representing a difference therebetween to pass through the first filter circuit and attenuates the other one of the frequency components. A second amplifier amplifies the third signal output from the first filter circuit and outputs a second amplified signal. |
| US10944436B1 |
RF communication device using artificial intelligence (AI) model and associated methods
A radio frequency (RF) communication device includes an RF spectral sensor that senses a dynamically changing RF spectral environment, and RF circuitry having at least one settable parameter. A controller dynamically sets the at least one settable parameter thereby affecting power consumption and RF communication performance by using an artificial intelligence (AI) model based upon the power consumption and the RF communication performance in the dynamically changing RE spectral environment. |
| US10944432B2 |
Methods and systems for transcoder, FEC and interleaver optimization
An interleaved encoder includes a number of encoders consisting of L parallel encoders, and a first switch circuit to sequentially couple an input node to an input port of one of the encoders. The input node receives a group of K*L symbols. Each symbol of the group of K*L symbols is received in synch with a respective clock pulse of a group of K*L clock pulses. The first switch circuit is synched with clock pulses of the group of K*L clock pulses, and sequentially couples the input node to an input port of a subsequent one of the encoders in response to each clock pulse of the group of K*L clock pulses. |
| US10944430B2 |
Time varying data permutation apparatus and methods
Multiple data permutation operations in respective different dimensions are used to provide an overall effective data permutation using smaller blocks of data in each permutation than would be used in directly implementing the overall permutation in a single permutation operation. Data that has been permuted in one permutation operation is block interleaved, and the interleaved data is then permuted in a subsequent permutation operation. A matrix transpose is one example of block interleaving that could be applied between permutation operations. |
| US10944429B1 |
Data accessing method using data protection with aid of parity check matrix having partial sequential information, and associated apparatus
A data accessing method using data protection with aid of a parity check matrix having partial sequential information, and associated apparatus such as memory device, memory controller, and decoding circuit thereof are provided. The data accessing method may include: in response to a read request, starting receiving protected data corresponding to the read request from predetermined storage space; generating the parity check matrix; performing syndrome calculation based on the parity check matrix according to a codeword to generate and output a syndrome for the codeword; performing error detection according to the syndrome to generate and output a decoding result signal, and performing error location decoding according to the syndrome to generate and output an error location; performing error correction of the codeword, to correct an error at the error location of the codeword; and performing further processing according to the one or more codewords obtained from the protected data. |
| US10944423B2 |
Verifying the correctness of a deflate compression accelerator
Embodiments of the invention are directed to a DEFLATE compression accelerator and to a method for verifying the correctness of the DEFLATE compression accelerator. The accelerator includes an input buffer and a Lempel-Ziv 77 (LZ77) compressor communicatively coupled to an output of the input buffer. A switch is communicatively coupled to the output of the input buffer and to the output of the LZ77 compressor. The switch is configured to bypass the LZ77 compressor during a compression test. The accelerator further includes a deflate Huffman encoder communicatively coupled to an output of the switch and an output buffer communicatively coupled to the deflate Huffman encoder. When the switch is not bypassed, the compressor can be modified to produce repeatable results. |
| US10944421B2 |
Efficient silent code assignment to a set of logical codes
The least-significant-bits (LSBs) of a first data word of a first subset of a first plurality of data words may be compared to the LSBs of each data word of a second subset of a second plurality of data words. The first data word may then be mapped to a second data word of the second subset. A number of LSBs of the second data word matching LSBs of the first data word may be greater than a respective number of LSBs of each data word of a third subset of the second subset matching the LSBs of the first data word, where the third subset excludes the second data word and a most-significant-bit (MSB) of the second data word may be the same as a MSB of the first data word. |
| US10944419B2 |
Segmented digital-to-analog converter
Disclosed examples include a segmented DAC circuit, including an R-2R resistor DAC to convert a first subword to a first analog output signal, an interpolation DAC to offset the first analog output signal based on an N-bit digital interpolation code signal to provide the analog output signal, and a Sigma Delta modulator to modulate a modulator code to provide the N-bit digital interpolation code signal that represents a value of second and third subwords. |
| US10944417B1 |
Radio frequency DAC with improved linearity using shadow capacitor switching
A DAC current steering circuit includes a first transistor whose: drain is coupled to a first output, source is coupled to a drain of a second transistor at a first node, and gate is coupled to a data input, and a third transistor whose: drain is coupled to a second output, source is coupled to a drain of a fourth transistor at a second node, and gate is coupled to a complement of the data input. The circuit further includes first and second shadow capacitors respectively coupled, via first and second switches, between the first and second nodes and ground, the first and second switches respectively controlled by the complement of the data input, and the data input. |
| US10944411B1 |
PLL capacitor swap technique and low jitter dynamic Digital Controlled Oscillator band select
Described is an apparatus comprising a first circuitry, a second circuitry, a first capacitor array, and a second capacitor array. The first circuitry may have an oscillator. The first capacitor array may have a set of first capacitors to tune the oscillator. The second capacitor array may have a second capacitor to tune the oscillator. A capacitance of the second capacitor may be greater than an average capacitance of the first capacitors. The second circuitry may be operable to synchronously activate the second capacitor and deactivate a number N of the first capacitors, and to synchronously deactivate the second capacitor and activate the N first capacitors, based on a predetermined sequence. |
| US10944410B1 |
Injection circuit system and method
In accordance with an embodiment, a ring oscillator includes a plurality of stages coupled in a ring configuration, where stage of the plurality of stages has an input node coupled to an output node of a previous stage of the plurality of stages. Each stage of the plurality of stages includes: a ring oscillator transistor having a control node coupled to the input node, and a load path coupled to the output node; a direct injection circuit having a load path coupled between the control node of the ring oscillator transistor and the output node, and a control node coupled to a first oscillator input node; and a tail injection circuit having a load path coupled between the output node and a first power supply node, and a control node coupled to a second oscillator input node. |
| US10944409B2 |
Phase-locked loop and method for the same
A phase-locked loop is provided. The phase-locked loop includes a first loop including a con-trolled oscillator and a phase detector. The controlled oscillator is configured to generate an oscillation signal. The phase detector is configured to generate first signal indicative of a timing difference between a reference signal and the oscillation signal. Further, the phase-locked-loop includes a second loop configured to generate a second signal indicative of a timing error of the oscillation signal's cycle time, and to generate a correction signal based on the second signal. The phase-locked loop additionally includes a combiner configured to generate a control signal for the controlled oscillator by combining the correction signal and a third signal derived from the first signal. |
| US10944406B1 |
Clock and data recovery using closed-loop clock alignment and duplicate sampling clock
A CDR method/circuit utilizes a closed-loop clock alignment circuit and a duplicate clock to align a sampling point clock to both mid-interval and optimal sample point phases during data receiving processes. An initial clock is generated having the mid-interval sampling point phase, then the closed-loop clock alignment circuit generates a phase correction signal based on a phase difference between the data sampling clock and the initial clock, and then the phase correction signal is fed back to a high-speed phase mixer to adjust/align the sampling point clock to the initial clock. Subsequently, the duplicate clock is generated and utilized to determine an optimal sampling point phase while the data sampling clock is utilized to read the received data signal, and then the closed-loop clock alignment circuit is re-used to re-align the data sampling clock to the duplicate clock when the optimal sampling point phase is identified. |
| US10944404B1 |
Low power ferroelectric based majority logic gate adder
An adder uses with first and second majority gates. For a 1-bit adder, output from a 3-input majority gate is inverted and input two times to a 5-input majority gate. Other inputs to the 5-input majority gate are the same as those of the 3-input majority gate. The output of the 5-input majority gate is a sum while the output of the 3-input majority gate is the carry. Multiple 1-bit adders are concatenated to form an N-bit adder. The input signals to the majority gates can be analog, digital, or a combination of them, which are driven to first terminals of non-ferroelectric capacitors. The second terminals of the non-ferroelectric capacitors are coupled to form a majority node. Majority function of the input signals occurs on this node. The majority node is then coupled to a first terminal of a non-linear polar capacitor. The second terminal of the capacitor provides the output of the logic gate. |
| US10944403B2 |
Superconducting field-programmable gate array
The various embodiments described herein include methods, devices, and systems for operating superconducting circuitry. In one aspect, a programmable circuit includes: (1) a superconducting component arranged in a multi-dimensional array of alternating narrow and wide portions, the superconducting component having an input terminal at a first end and an output terminal at a second end opposite of the first end; and (2) control circuitry coupled to the narrow portions of the superconducting component, the control circuitry configured to transition the narrow portions between superconducting and non-superconducting states. |
| US10944401B1 |
Integrated clock gating cell and integrated circuit including the same
A clock gating cell includes an input logic/latch circuit, a keeper logic/signal generating circuit, and an output driver. The input logic/latch circuit generates an internal enable signal based on first and second input enable signals, and generates a first internal signal provided to a first node based on the internal enable signal and an input clock signal. The keeper logic/signal generating circuit is connected between the first node and a second node, includes a feedback path feeding back the first internal signal, generates a second internal signal provided to the second node based on the first internal signal and the input clock signal, and includes first and second paths discharging the second node. The first and second paths are different. The second path is connected to the feedback path. The output driver generates an output clock signal based on the second internal signal. |
| US10944396B2 |
Semiconductor device and method for driving the semiconductor device
To provide a semiconductor device that generates a stable negative potential with high accuracy and achieves lower power consumption. The semiconductor device includes a voltage conversion circuit, a comparator, a logic circuit, a transistor, and a capacitor. The voltage conversion circuit has a function of outputting, as a second signal, a signal obtained by conversion of a voltage of an input first signal in response to a clock signal output from the logic circuit. The comparator has a function of being controlled to be supplied with or not supplied with a power supply voltage in response to a power gating signal. The transistor has a function of holding an output voltage of the comparator in the capacitor in a period during which the transistor is in an off state. The logic circuit has a function of switching between supply and stop of the clock signal on the basis of the voltage held in the capacitor in a period during which the power supply voltage to the comparator is stopped. |
| US10944394B2 |
Methods and apparatus to reduce leakage current
Methods, apparatus, systems and articles of manufacture are disclosed that provide an apparatus comprising: a first transistor including a first gate, a first current terminal, and a second current terminal; a second transistor including a second gate, a third current terminal, and a fourth current terminal; the first current terminal coupled to the third current terminal; the first gate coupled to the second gate and the second current terminal; a third transistor including a third gate, a fifth current terminal, and a sixth current terminal, the fifth current terminal coupled to the second current terminal, third gate coupled to a voltage reference node; and a fourth transistor including a fourth gate, a seventh current terminal and an eighth current terminal, the seventh current terminal coupled to the sixth current terminal, the fourth gate coupled to the seventh current terminal and the eighth current terminal coupled to the fourth current terminal. |
| US10944393B2 |
Drive device for semiconductor element
A drive device for a semiconductor element includes a drive circuit receiving from outside a pulsed drive signal for driving ON/OFF of the semiconductor element; and a protection circuit receiving a signal representing a chip temperature of the semiconductor element and, when the detected chip temperature exceeds an overheating threshold temperature, controlling operation of the drive circuit so as to adjust a drive control voltage that is provided to the semiconductor element; and a drive information output circuit externally outputting drive information corresponding to the adjusted drive control voltage that is provided to the semiconductor element by the drive circuit. |
| US10944388B1 |
Asynchronous clock gating cells and related methods to provide a gated clock output
Improved clock gating cells and related methods are provided. The clock gating cells include a first mutually exclusive element (ME1), a first inverter and a second mutually exclusive element (ME2). ME1 receives a clock input and an enable signal, which is asynchronous to the clock input, and outputs the enable signal based on a timing relationship between the clock input and the enable signal. The first inverter receives the enable signal output from ME1 and provides an inverted enable signal to ME2. ME2 receives the clock input and the inverted enable signal, and provides a clock output based on a timing relationship between the clock input and the inverted enable signal. Together, ME1 and ME2 resolve meta-stability and eliminate glitches in the clock output by preventing rising and falling edges of the enable signal from passing through the mutually exclusive elements during active phases of the clock input. |
| US10944385B1 |
Delay circuit that accurately maintains input duty cycle
In certain aspects, a delay circuit includes a multiplexer, a first delay path coupled between an input of the delay circuit and a first input of the multiplexer, and a second delay path coupled between the input of the delay circuit and a second input of the multiplexer. The first delay path includes a first delay device, and the second delay path includes a first inverter, a second delay device, and a second inverter. In other aspects, a delay circuit includes a latch including a first input, a second input, and an output. The first input of the latch is coupled to an input of the delay circuit. The delay circuit also includes a delay path coupled between the input of the delay circuit and the second input of the latch, wherein the delay path includes a pulse generator and a delay device. |
| US10944383B2 |
Tunable filter
A tunable filter is provided. The tunable filter includes: a filter input; a filter output; at least one feedback loop coupled between the filter output and the filter input, where the at least one feedback loop includes at least one tunable feedback capacitance which is configured to tune a cut-off frequency of the tunable filter; and an active element, coupled between the filter input and the filter output and configured to drive the at least one tunable feedback capacitance, the active element having a transfer function with a primary pole and at least one secondary pole, where the active element includes a first stabilization element that is coupled to a first internal node of the active element. |
| US10944381B2 |
Acoustic wave filter device, multiplexer, radio-frequency front end circuit, and communication device
A filter includes a series arm resonator, a first parallel arm resonance circuit and a second parallel arm resonance circuit. The each of the first parallel arm resonance circuit and the second parallel arm resonance circuit includes: a parallel arm resonator that is connected to a node; a pair of elements consisting of a capacitor and a switch, which are connected in parallel with each other, that is connected in series with the parallel arm resonator; and an inductor that is provided on a path that connects the node and ground to each other via the switch. The inductance value of the inductor of the first parallel arm resonance circuit and the inductance value of the inductor of the second parallel arm resonance circuit are substantially equal to each other. |
| US10944379B2 |
Hybrid passive-on-glass (POG) acoustic filter
An integrated radio frequency (RF) circuit combines complementary features of passive devices and acoustic filters and includes a first die, a second die, and a third die. The first die includes a substrate having one or more passive devices. The second die includes a first acoustic filter. The second die is stacked and coupled to a first surface of the first die. The third die includes a second acoustic filter. The third die is stacked and coupled to a second surface opposite the first surface of the first die. |
| US10944378B2 |
Duplexer
Duplexers for high power applications are disclosed. In some embodiments, a duplexer includes 2N band pass filters, where N is an integer greater than 1. The 2N band pass filters each have an input and an output and are in an electrically parallel configuration. The duplexer includes a first adaptation circuit configured to couple a transmit signal received from a transmitter to each one of the 2N band pass filters. The duplexer includes a second adaptation circuit configured to couple outputs of the 2N band pass filters to an antenna, the second adaptation circuit providing an isolated path between the antenna and a receiver. |
| US10944375B2 |
Multilayer band pass filter
A multilayer band pass filter includes a first LC parallel resonator electrically connected to a first input/output terminal, a second LC parallel resonator electrically connected to a second input/output terminal, and a third LC parallel resonator is magnetically coupled to the first LC parallel resonator. The first LC parallel resonator includes a first inductor. The second LC parallel resonator includes a second inductor. The third LC parallel resonator is magnetically coupled to the second LC parallel resonator. A bypass connects the first inductor and the second inductor to each other. |
| US10944370B2 |
Multi-gain mode power amplifier, chip, and communication terminal
A multi-gain mode power amplifier, a chip, and a communication terminal. The multi-gain mode power amplifier comprises at least one amplifier circuit. The amplifier circuit comprises a bias circuit, a feedback circuit, a transistor (101), and an input matching network/output matching network. A bias voltage or a control voltage (120) is adjusted to make the feedback circuit to be either turned on or turned off, thus allowing the amplifier circuit to work in a high-gain mode or a low-gain mode. The multi-gain mode power amplifier has different gain modes, fully satisfies the actual demand of the communication terminal to work in the high-gain mode when transmitting a high power and to work in the low-gain mode when transmitting a low power. |
| US10944362B2 |
Coupling surface acoustic wave resonators to a Josephson ring modulator
A superconducting device that mixes surface acoustic waves and techniques for fabricating the same are provided. A superconducting device can comprise a first surface acoustic wave resonator comprising a first low-loss piezo-electric dielectric substrate. The superconducting device can also comprise a second surface acoustic wave resonator comprising a second low-loss piezo-electric dielectric substrate. Further, the superconducting device can comprise a Josephson ring modulator coupled to the first surface acoustic wave resonator and the second surface acoustic wave resonator. The Josephson ring modulator is a dispersive nonlinear three-wave mixing element. |
| US10944357B2 |
Management system, management method, control apparatus, and photovoltaic cell apparatus
At least one of a message indicating a spec of a PV apparatus (130) and a message indicating a status of the PV apparatus (130) is standardized between an EMS (200) and the PV apparatus (130). |
| US10944356B2 |
Wire cover and mounting bracket
A photovoltaic panel wire cover assembly, used with a PV panel having a perimeter trim piece, includes clips, an elongate wire cover and fastener structure. Each clip includes a proximal end and long and short legs, the long leg parallel with and joined to the short leg at the clip proximal end. A gap between the long and short legs is sized for receipt of the trim piece. The wire cover includes a wire-covering housing defining a housing interior and having first and second opposite sides and a first flange extending from the first opposite side and positioned against the long leg. The fastener structure engages the short leg and the first flange to bias the first flange and the long leg therewith towards the short leg. The wire cover can be fastened to the trim piece through the clips without penetrating the PV panel. |
| US10944354B2 |
Solar tracker bearing apparatus
A solar tracker bearing apparatus mountable to an upright support post for rotatably supporting a torque tube beam of a solar tracker assembly and including: a rotatable bearing assembly supported for rotation about an axis of rotation by a stationary saddle assembly. The rotatable bearing assembly includes a central portion and first and second spaced apart arcuate peripheral portions, the central portion defining a torque tube beam slot, the first arcuate peripheral portion including a first arcuate rim bearing and the second arcuate peripheral portion including a second arcuate rim bearing, and the first and second rim bearings being spaced apart in a direction parallel to the axis of rotation of the rotatable bearing assembly. The stationary saddle assembly includes a first arcuate bearing race slidably supporting the first arcuate rim bearing and a spaced apart second arcuate bearing race slidably support the second arcuate rim bearing. |
| US10944350B2 |
Motor drive device
A motor drive device capable of switching the connection configuration of the stator windings of a motor includes three relays each including a first contact, a second contact, and a contact plate, where the contact plate has one terminal coupled to a stator winding of one phase among the stator windings and the contact plate has another terminal to be connected to the first contact or to the second contact; and a control unit to control the three relays to cause all the three relays to have a same connection state in a case in which not all the three relays have a same connection state with respect to connections between the another terminal of the contact plate and the first contact and the second contact. |
| US10944349B2 |
Multi-inverter electronic motor controller
The present disclosure discloses a multi-inverter electric motor controller, which solves the technical problem that the existing inverter with silicon-based devices cannot accurately modulate high-frequency currents. The multi-inverter electric motor controller comprises a primary inverter and one or more secondary inverters, where the primary inverter and the secondary inverters connect in parallel to a same electrical motor, the primary inverter employs silicon-material power electronic devices, the secondary inverters employ wide-bandgap semiconductor power electronic devices, and the switching frequency of the primary inverter is less than the switching frequencies of the secondary inverters. According to the present disclosure, the existing inverter with silicon-based devices and the inverters with wide-bandgap semiconductor devices are connected in parallel, and can complete the fine control of the harmonic waves of high-frequency currents. |
| US10944342B2 |
Secure roller controller of roller conveyor system for logistics services
A secure roller controller of a roller conveyor system for logistics services includes a monitoring circuit, a controller module and a driving circuit and is electrically connected to a motor. The monitoring circuit is electrically connected to the controller module and the driving circuit to receive a power signal from the driving circuit. The controller module is electrically connected to the driving circuit to receive the power signal and instruct the driving circuit to drive the motor for speed adjustment according to the power signal. When instantly detecting that the power signal is irregular, the monitoring circuit transmits an irregularity signal to the controller module for the controller module to instantly decelerate a rotation speed of the motor to a safe rotation speed through the driving circuit. Accordingly, burn-down of the motor and the secure roller controller can be avoided to enhance operational stability and safety. |
| US10944338B2 |
Power apparatus applied in SST structure and three-phase power source system having the same
A power apparatus applied in an SST structure includes a first AC-to-DC conversion unit, a first DC bus, an isolated transformer, a DC-to-AC conversion unit, a second AC-to-DC conversion unit, and a second DC bus. The first AC-to-DC conversion unit has a first three-level bridge arm and a second three-level bridge arm. The first DC bus provides a first DC voltage. The isolated transformer has a primary side and a secondary side. The DC-to-AC conversion unit has a third three-level bridge arm and a fourth three-level bridge arm. The second AC-to-DC conversion unit has a fifth three-level bridge arm and a sixth three-level bridge arm. The second DC bus provides a second DC voltage. |
| US10944336B2 |
Power conversion apparatus
A power conversion apparatus with an arm fuse melting detector for detecting an arm fuse melting from a ripple current without using a micro switch. The power conversion apparatus includes an inverter for driving a motor, an arm fuse provided in each of U-phase, V-phase, and W-phase arms of the inverter, and a first arm fuse melting detector to detect the arm fuse melting. The first arm fuse melting detector includes a DQ conversion circuit that converts the inverter output current into the D-axis/Q-axis current, an absolute value calculation circuit for calculating the absolute value from the output of the DQ conversion circuit, a ripple current calculator for calculating a ripple current from the difference between the maximum value and the minimum value of the absolute value for each cycle period T of the fundamental wave of the inverter output. |
| US10944335B2 |
Paralleled passive front-end rectifiers with and without interleaving
Embodiments herein relate to a three-phase paralleled passive front-end drive, that includes a rectifier bridge, a coupling reactance operably connected to the rectifier bridge and configured to transfer power from the rectifier to a first direct current (DC) bus, and a bus coupler operably coupling the first DC bus to a second DC bus. The paralleled drive also includes a first inverter operably connected to the first DC bus; a second inverter operably connected the second DC bus, the first inverter and second the inverter each configured to provide a plurality of motor excitation signals, respectively. The paralleled drive also includes a plurality of interphase inductors operable to combine the plurality of motor excitation signals from the first inverter with the plurality of motor excitation signals from the second inverter. |
| US10944334B2 |
Switching power supply with resonant converter
A switching power supply (switched-mode power device) includes a rectifier for a mains connection and for rectifying a three-phase AC voltage, a first converter and a second converter, the input voltage of which forms an intermediate circuit voltage, where the first converter regulates the intermediate circuit voltage such that the voltage substantially corresponds to a predefinable output voltage of the second converter multiplied by a load-independent transformation ratio on operation of the second converter with a resonant frequency, where upon forced reduction of the output voltage from the second converter, the first converter can set an, on average, sufficiently low intermediate circuit voltage such that the second converter can be operated substantially with the resonant frequency for a load-independent transformation ratio, where a signal for closed-loop control of the first converter stage can be derived from voltage and/or current information from the second converter. |
| US10944333B2 |
Power supply unit for a self-powered intelligent electronic device
A power supply unit for an IED for LV or MV electric power applications characterized in that it comprises: a power transformer stage, which is operatively coupled to a feeding conductor to harvest electric power from said feeding conductor; a first storage stage, which is electrically connected to said power transformer stage to store electric energy; a first step-down conversion stage, which is electrically connectable/disconnectable to/from said first storage stage; a switching stage adapted to electrically connect/disconnect said first step-down conversion stage with/from said first storage stage; and a second storage stage, which is electrically connected to said first step-down conversion stage to store electric energy. |
| US10944330B1 |
Self-biased gate driver architecture
A system includes a primary field effect transistor (FET) coupled to a primary winding on a primary side of an alternating current-to-direct current (AC-DC) converter. The system also includes a gate driver, coupled to the primary FET, that is to, in response to a signal received from a startup controller of the AC-DC converter, turn on the primary FET. The gate driver includes a voltage bias p-type metal-oxide-semiconductor (VBP) buffer coupled between an external supply voltage and a VBP portion of driving chain circuitry, the driving chain circuitry to drive a gate of the primary FET. The gate driver also includes a voltage bias n-type metal-oxide-semiconductor (VBN) buffer coupled between a VBN regulator, which generates an internal supply voltage, and a VBN portion of the driving chain circuitry. |
| US10944327B2 |
Power supply apparatus and image forming apparatus
The power supply apparatus includes a rectifying and smoothing unit configured to rectify and smooth an AC voltage of an AC power supply, a transformer having a primary winding, first and second secondary windings, a detecting unit connected to the second secondary winding, the detecting unit configured to detect a second voltage according to a voltage output from the rectifying and smoothing unit, and a first control unit configured to control a state of the load based on a result detected by the detecting unit. |
| US10944325B2 |
Systems and methods for source switching and voltage generation
System and method for regulating a power conversion system. An example system controller for regulating a power conversion system includes a first controller terminal associated with a first controller voltage and coupled to a first transistor terminal of a first transistor, the first transistor further including a second transistor terminal and a third transistor terminal, the second transistor terminal being coupled to a primary winding of a power conversion system, a second controller terminal associated with a second controller voltage and coupled to the third transistor terminal, and a third controller terminal associated with a third controller voltage. The first controller voltage is equal to a sum of the third controller voltage and a first voltage difference. The second controller voltage is equal to a sum of the third controller voltage and a second voltage difference. |
| US10944322B1 |
Adaptive on-time DC-to-DC buck regulators with constant switching frequency
Voltage regulator circuits and methods therefor provided. In some embodiments, a voltage regulator circuit comprises: a first switch coupled to a power input; a second switch coupled to the first switch; a switching node between the first switch and the second switch; an inductor coupled between the switching node and an output node; a capacitor coupled between the output node and ground; a driver configured to operate the first and second switches according to a pulse-width-modulated (PWM) signal; a PWM circuit configured to generate the PWM signal based on at least an error signal; and a phase detector configured to generate the error signal based on a phase difference between the PWM signal and a clock reference signal. |
| US10944321B2 |
Multi-level switching power converter, and controller circuit and control method thereof
A multi-level switching power converter includes a multi-level power stage circuit which converts an input power to an output power. The power stage circuit includes an inductor, a conversion capacitor and plural power switches. The controller circuit controls the multi-level power stage circuit and includes: a feedback pulse generator circuit which generates a trigger pulse; a first timer circuit and a second timer circuit which determine a first time period and a second time period respectively according to the trigger pulse; and an adjusting circuit which adjusts the first time period according to a difference between the voltage across the conversion capacitor and a reference voltage such that an average of the voltage across the conversion capacitor is substantially equal to a level of the reference voltage. |
| US10944305B2 |
Electric drive unit having a cooling sleeve
An electric drive unit with an electric machine arranged in a motor housing. The electric machine has a rotor and a stator. A transmission is arranged in a transmission housing and driven by the electric machine. A cooling sleeve is provided, which forms a radially outward facing hollow space for a coolant by virtue of a spiral-shaped circumferential web between itself and the surrounding motor housing. Furthermore the cooling sleeve has a holding web which is designed to be clamped between two motor housing components. |
| US10944304B2 |
Motor and manufacturing method thereof
Disclosed herein are a motor and a method of manufacturing the motor. The motor includes a rotor, a stator including a plurality of coil bobbin unit groups, and a coil prepared on coil bobbin units by winding a wire sequentially on coil bobbin units of each coil bobbin unit group, cutting the wound wire at a cutting point, connecting one end of the cut wire to a neutral point port, and connecting the other end of the cut wire to a driving point port. |
| US10944298B2 |
Receiver for wireless charging system
A receiver for a wireless charging system, capable of receiving power energy using non-contact type magnetic induction, includes a coil capable of receiving the power energy and a part for generating a predetermined output power from the power energy received by the coil, a portable terminal, an NFC coil further provided outside of the coil, and a ferrite sheet further provided at the coil and the NFC coil. |
| US10944294B2 |
Method for transmitting signal by wireless power transmitter in wireless charging system, wireless power transmitter and wireless power receiver
A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided. The method includes receiving, from a wireless power transmitter, a first beacon power for a first duration time in every first period; receiving, from the wireless power transmitter, a second beacon power for a second duration time in every second period; if the wireless power receiver determines that an extension of the second beacon power is required, generating load changes while receiving the second beacon power for the second duration time; in response to the generated load changes, continually receiving, from the wireless power transmitter, the second beacon power until a predetermined third duration time, wherein the predetermined third duration time is determined before the second beacon power is transmitted by the wireless power transmitter; and transmitting an advertisement signal to the wireless power transmitter while receiving the second beacon power for the predetermined third duration time. |
| US10944293B2 |
Noncontact power supply apparatus
A power transmission device of this noncontact power supply apparatus has a transmission coil for supplying power to a power reception device, and a power supply circuit that supplies AC power to the transmission coil. A power reception device of the noncontact power supply apparatus has a reception coil for receiving power from the power transmission device, a variable capacity circuit that is connected to the reception coil in parallel and that can adjust capacitance, a resonance circuit that resonates with a frequency corresponding to the inductance of the reception coil and the capacitance of the variable capacity circuit, a voltage detection circuit that detects an output voltage from the resonance circuit, and a control circuit that controls the capacitance of the variable capacity circuit according to the output voltage. |
| US10944287B2 |
AVR bypass relay welding detection
According to one aspect, embodiments of the invention provide a UPS system comprising an input, an output, a neutral connection, an AVR transformer, relays configured to selectively couple a primary winding of the AVR transformer to the input and the output, a bypass relay configured to selectively couple the primary winding to the neutral connection, a DC/AC inverter, and a controller configured to operate the relays, the bypass relay, and the DC/AC inverter to provide output AC power derived from at least one of input AC power and backup DC power, wherein in a backup power mode, the controller is further configured to operate the DC/AC inverter to convert the backup DC power into AC power provided to a secondary winding of the AVR transformer, to monitor the AC output power, and to identify that the bypass relay has decoupled the primary winding from the neutral connection. |
| US10944279B1 |
Large-format battery management system with in-rush current management
A battery system with a large-format Li-ion battery powers attached equipment by discharging battery cells distributed among a plurality of battery packs. The discharging of the battery cells is controlled in an efficient manner while preserving the expected life of the Li-ion battery cells. Each battery pack internally supports a battery management system and may have identical components, thus supporting an architecture that easily scales to higher power/energy. Battery packs may be added or removed without intervention with a user, where one of battery packs serves as a master battery pack and the remaining battery packs serve as slave battery packs. When the master battery pack is removed, one of the slave battery packs becomes the master battery pack. Charging and discharging of the battery cells is coordinated by the master battery pack with the slave battery packs over a communication channel such as a controller area network (CAN) bus. |
| US10944276B2 |
Portable power supply device
The device housing includes a roller cradle. The device can include a device support roller rotationally located in the roller cradle, the device support roller being removably couplable with the roller cradle. Also, a release mechanism can be include, where the release mechanism includes a push button operably coupled to a coupler mechanism that is operably coupled to the device support roller. The release mechanism and/or coupler mechanism are biased. When the release mechanism is not activated, the device support roller is engaged, and when the release mechanism is active, the device support roller is disengaged. The system can include a plurality of device support rollers, each device support roller having a device-receiving slot, each device-receiving slot being of a different shape and/or dimension from the other device-receiving slots of the other device support rollers. |
| US10944267B2 |
Real time feedback-based optimization of distributed energy resources
An example device includes a processor configured to receive a plurality of voltage values representing respective voltage magnitudes at voltage nodes in a first portion of a power system and determine, for each voltage node, a respective value of first and second voltage-constraint coefficients. The processor is also configured to receive a power value corresponding to a connection point of the first portion of the power system with a second portion of the power system and determine for the connection point, a respective value of first and second power-constraint coefficients. The processor is also configured to cause at least one energy resource connected to the first portion of the power system to modify an output power of the at least one energy resource based on the value of the first and second voltage-constraint coefficients for each voltage node and the value of the first and second power-constraint coefficients. |
| US10944257B2 |
Integrated silicon controlled rectifier (SCR) and a low leakage SCR supply clamp for electrostatic discharge (ESP) protection
Electrostatic discharge (ESD) protection is provided in using a supply clamp circuit using an ESD event actuated SCR device. The SCR device may include an embedded field effect transistor (FET) having an insulated gate that receives a trigger signal from an ESD detection circuit. The SCR device may alternatively include a variable substrate resistor having an insulated gate that receives a trigger signal from an ESD detection circuit. |
| US10944254B2 |
Closing control method for high-voltage direct-current circuit breaker
A closing control method for a high-voltage DC circuit breaker. The method comprises: closing breaking units of the transfer branch (2) group by group, then closing the main branch (1), and finally open the transfer branch. During the process of closing the breaking units of the transfer branch group by group, determine whether there is a fault in the power transmission system after closing current breaking unit group. if there is no fault, proceed to close the next breaking unit group until all breaking unit groups are closed before proceeding to the next step; if there is a fault, all the breaking units that have been closed are opened and the closing operation is ended. The method can pre-charge the power transmission system during the closing process of the high-voltage DC circuit breaker, and lower the overvoltage and system oscillation caused by the closing operation. |
| US10944249B2 |
Ribbon trainable around a take-up device and a system deploying such a ribbon
A ribbon for an arrangement via which electrical power can be supplied to a load via a suspension member, such as a band or cable, while movement of the load occurs via deliberate winding up of the band or cable onto the drum or sheave or unwinding of the band or cable from the drum or sheave. The ribbon includes an electrical lead portion having one or a plurality of individual electrical leads and a sheath portion. The sheath portion and the electrical lead portion are moveable with respect to each other. |
| US10944248B2 |
Smart hoist
Current hoist systems often use a manual crank system with a lever arm that ratchets a rotational drum to tension a conductor. This disclosure describes systems and techniques for creating and operating a hoist system when connected and applying tension to an energized or de-energized conductor. Additionally, the systems and techniques may be applied to lifting or tensioning electrical equipment or cables that may support the conductor infrastructure. A hoist system may use a locally driven motor to apply a desired tension to a conductor or cable and may be controlled by an operator located at or away from the hoist system itself. |
| US10944245B2 |
Method for a flexible connection scheme and protective enclosure for electronics for the chassis of a junction box or charge switch unit for an electric vehicle
An assembly for housing electrical components of a power distribution system. The assembly includes a housing and a cover for enclosing an inner cavity of the housing. At least one connection location is on the housing and is configured for attaching one of a plurality of adapters to the housing. Each adapter includes a body having a surface engageable with the housing, an element for securing the body to the housing; and a mating feature engageable with a respective mating feature of the housing for fixing an orientation of the adapter relative to the housing. |
| US10944241B2 |
Distributed reflector laser
A distributed reflector (DR) laser may include a distributed feedback (DFB) region and a distributed Bragg reflector (DBR). The DFB region may have a length in a range from 30 micrometers (μm) to 100 μm and may include a DFB grating with a first kappa in a range from 100 cm−1 to 150 cm−1. The DBR region may be coupled end to end with the DFB region and may have a length in a range from 30-300 μm. The DBR region may include a DBR grating with a second kappa in a range from 150 cm−1 to 200 cm−1. The DR laser may additionally include a lasing mode and a p-p resonance frequency. The lasing mode may be at a long wavelength side of a peak of a DBR reflection profile of the DBR region. The p-p resonance frequency may be less than or equal to 70 GHz. |
| US10944239B2 |
Laser diode drive method and arrangement
A method and apparatus to drive a laser diode are disclosed comprising increasing a bias current to the laser diode to a threshold level, wherein the threshold level is below an actuation level of the laser diode and wherein a resistor is placed in parallel to the laser diode, charging a capacitance to a precharge capacitance of a circuit including the laser diode, wherein the precharge capacitance is below a capacitance actuation level of the laser diode; and actuating the laser diode. |
| US10944237B2 |
Laser projection module
A laser projection module, that may include a laser projection module cover comprising a top portion, a bottom portion and a one or more of side portions to define a cavity within the cover, wherein the top portion is configured to couple an optical lens. A lead frame may be at least partially integrated into the bottom cover portion of the laser projection module, where the lead frame includes an outer lead frame portion and an inner lead frame portion relative to the cover, wherein the inner lead frame portion is configured to couple a laser diode assembly in one area of the inner lead frame portion within the cavity. |
| US10944236B2 |
Optical unit, fixing mechanism for optical unit, and semiconductor laser module
A circuit conductor is provided on a base. A semiconductor laser is connected to the circuit conductor. Cutout parts on which the circuit conductor is not formed are provided at, for example, the vicinity of the four corners of the base, and a hole is provided at each of the said portions. The holes penetrate the base. Fixing members are inserted through the holes. The fixing members are, for example, male threads. Since the head part of the fixing members is located in the cutout part, the fixing members and the circuit conductor are not in contact with each other. A platform has holes formed at portions corresponding to the holes in the optical unit and female threads formed on the inner surface. The fixing members and the platform are therefore joined. As a result, the optical unit is fixed to the platform. |
| US10944235B2 |
Method for producing a light source and light source
A light source comprises a GeSn active zone inserted between two contact zones. The active zone is formed directly on a silicon oxide layer by a first lateral epitaxial growth of a Ge germination layer followed by a second lateral epitaxial growth of a GeSn base layer. A cavity is formed between the contact zones by encapsulation and etching, so as to guide these lateral growths. A vertical growth of GeSn is then achieved from the base layer to form a structural layer. The active zone is formed in the stack of base and structural layers. |
| US10944234B2 |
Optical fiber for light amplification having a core with low bend loss and end features with high bend loss and related method
An apparatus includes an optical fiber configured to transport an optical signal. A cross-section of the optical fiber has a longer slow-axis dimension and a shorter fast-axis dimension. The optical fiber includes a core configured to receive and amplify the optical signal, end features optically coupled to the core at opposite ends of the core, and a cladding surrounding the core and end features. The core has a height in the slow-axis dimension and a width in the fast-axis dimension. Each end feature has a height in the slow-axis dimension and a width in the fast-axis dimension. The core has a lower bend loss than the end features. The optical fiber is configured to confine optical power of a fundamental mode in the core and allow optical power of higher-order mode(s) to leak from the core into the end features. Each end feature's height is less than the core's width. |
| US10944233B2 |
Polarized fiber-laser
A fiber-laser includes a gain-fiber in a laser-resonator. A polarizer is located in the laser-resonator at an end thereof, causing the output of the fiber-laser to be linearly polarized. A wavelength-selective element is also included in the laser-resonator for selecting an output wavelength of the fiber-laser from within a gain-bandwidth of the gain-fiber. |
| US10944232B2 |
Terahertz lasers and terahertz extraction
A frequency electromagnetic radiation generation system including: a non linear crystal producing THz frequency electromagnetic radiation; a fundamental beam that interacts with the non linear crystal thereby emitting a THz frequency electromagnetic radiation emission; a silicon intermediary coupled to the non linear crystal for output channeling the THz frequency electromagnetic radiation emission to an output environment; the system utilising a fundamental beam which has a photon energy below the bandgap energy of silicon. |
| US10944231B2 |
Method and device for processing a cable
A method for processing a cable includes a drawing-out step and a placement step. In the drawing-out step, a loop of the cable is drawn out over a guide body arranged on a loop placement surface. The loop is drawn out to a specified length using a driven dog. In the placement step, the loop is placed onto the loop placement surface by the dog. In the process, the loop is placed over the guide body. |
| US10944227B2 |
Method of forming an electrical connector
An electrical connector for a composite core conductor and a method of controlling crimping thereof includes a coupling portion and a tubular portion extending from the coupling portion. A conductor has a non-metallic core surrounded by electrically conductive strands and has a connecting portion of the core extending axially beyond the strands. The connecting portion is received in the tubular portion. A crimped portion on the tubular portion radially engages the connecting portion and secures the conductor to the tubular portion. The crimped portion is formed by concave surfaces on internal surfaces of crimping dies. The concave surfaces have different radii of curvature than remaining portions of the internal surfaces. |
| US10944223B2 |
Electrical connector having a connector housing and a flange plate
A connector (1) is provided with a plurality of connector terminals (2), a connector housing (3) and a flange plate (4). The flange plate (4) includes plate attaching portions (41) to be attached into an attachment recess (311) in the outer periphery of a connector body (31) of the connector housing (3) and a plate mounting portion (42) connected to the plate attaching portions (41) and projecting from the outer periphery of the connector body (31). The plate mounting portion (42) is formed with an insertion hole (421) through which a bolt (6) is inserted. |
| US10944222B2 |
Electrical connector with two types of connector terminals and a spacer inserted into a housing
In a connector, a spacer includes lock parts and regulation parts. Each of the lock parts locks a first terminal in a first terminal receiving slot after the first terminal is inserted into a proper position in the first terminal receiving slot. Each of the regulation parts regulates deformation of a second lance toward a release position when the second lance is located in a lock position in which the second lance locks a second terminal in a second terminal receiving slot after the second terminal is inserted into a proper position in the second terminal receiving slot. |
| US10944220B1 |
Modular device backbone for a network of user-swappable products
A modular device backbone may include a controller and two or more backplates configured to be distributed throughout a user space and further configured to couple with swappable devices. Any of the two or more backplates may include a configuration storage device to store backplate-based configuration information including a backplate identifier and a controller address for communicating with the controller, and a communication unit to transmit the backplate-based configuration information. Upon coupling of a particular swappable device to a particular backplate, the particular swappable device may receive the backplate-based configuration information from the particular backplate and further communicate with the controller using the controller address to receive controller-based configuration information from the controller, which may include information for communicating with additional swappable devices. |
| US10944217B2 |
Terminal fitting
It is aimed to improve durability by reducing a stress generated in a resilient contact piece. A terminal fitting (50) includes a box portion (60) in the form of a rectangular tube and a pair of resilient contact pieces (86, 87) accommodated in the box portion (60) and capable of contacting a tab (95) of a mating terminal inserted into the box portion (69) while resiliently sandwiching the tab. |
| US10944214B2 |
Cable connector for high speed interconnects
A cable termination that provides low signal distortion even at high frequencies. Conductive elements of the cable are fused to edges of signal conductors in a cable connector or other component terminating the cable. For terminating a differential pair, the conductive elements of the cable may be terminated to opposing edges of a pair of signal conductors in the cable termination. The conductive elements may be shaped such that the spacing between signal paths passing through the conductive elements of the cable and into the signal conductors of the cable termination is uniform. |
| US10944212B1 |
Power connector with anti-disengaging mechanism
A power connector with an anti-disengaging mechanism that has a power socket that includes a metal terminal. The power socket is shaped to receive a plug pin of a power plug. A seizing piece that includes a through hole. The seizing piece is located so that the plug pin of the power plug travels through the through hole in order to come in contact with the metal terminal. A pull rod is arranged so that when the pull rod is in a first position, the pull rod tilts the seizing piece so as to lock the plug pin in contact with the metal terminal. When the pull rod is in a second position, the seizing piece releases the plug pin. A toggle ring is rotated by a user to drive the pull rod to slide between the first position and the second position. A first portion of the seizing piece is within a supporting groove inside the power connector. A second portion of the seizing piece is inserted into a driving groove of the pull rod. Movement of the pull rod is controlled by the toggle ring. |
| US10944209B2 |
Inspection and maintenance system having an electrical interface
An inspection or maintenance system is provided comprising an electrical interface, wherein the inspection or maintenance system comprises an inspection or maintenance unit and an external unit, which can be coupled to the inspection or maintenance unit electrically. The inspection or maintenance unit comprises a housing and the housing has a first electrically conducting portion and at least a second electrically conducting portion. The electrically conducting portions are electrically isolated from each other, the external unit comprises a first electrical contact and at least a second electrical contact, wherein the electrically conducting portions and the electrical contacts are configured such that the first electrical contact can be brought into electrical contact with the first electrically conducting portion and the at least one second electrical contact can be brought into electrical contact with the at least one second electrically conducting portion. |
| US10944208B1 |
Electrical extension cord stand and anchor apparatuses
Electrical extension cord stand and anchor apparatuses provide a stand comprising a base having at least one set of prongs extending perpendicular from a surface of the base, wherein the base comprises means for holding the base onto a surface. The at least one set of prongs mates with a pair of slots in an electrical extension cord head having a plurality of pairs of slots therein for plugging electrical devices therein. Methods of making and using the same are further provided. |
| US10944207B2 |
Electrical connector with heat bridge and electrical connection arrangement comprising an electrical connector with heat bridge
An electrical connector comprises a housing, an electrical contact disposed in the housing, and a heat bridge. The heat bridge has a heat absorption surface thermally connected to the electrical contact and a heat transfer surface accessible from outside the electrical connector and electrically insulated from the electrical contact. An insulating layer may be deposited onto the heat bridge. An abrasion protection part may be used to protect the insulating layer. |
| US10944198B2 |
Connector
A lock arm (31) has a lock (34) that rides on a lock projection (62) while connecting two housings (10, 60) and locks the lock projection (62) when the housings (10, 60) are connected. A connection detecting member (45) is movable in the male housing (10) and between an initial position and a detection position. The connection detecting member (45) has a resilient detecting portion (50) capable of contacting the lock (34). First and second restricting surfaces (36, 37) are formed on a facing surface (35) of the lock (34) facing the resilient detecting portion (50). The first restricting surface (36) restricts displacement of the resilient detecting portion (50) in a riding direction on the lock (62) with respect to the lock (34) and the second restricting surface (37) restricts displacement of the resilient detecting portion (50) in a direction opposite to the riding direction on the lock projection (62). |
| US10944197B2 |
Connector terminal and connector
A connector terminal may include a terminal body extending along a center line, a contact portion provided at a first end portion of the terminal body in an extension direction of the terminal body, and a lance portion provided at a second end portion of the terminal body in the extension direction of the terminal body. The lance portion includes at least three positioning lances, when viewed from the extension direction of the center line, an angle formed by a first imaginary straight line connecting the center line and the first positioning lance and a second imaginary straight line connecting the center line and the second positioning lance is larger than 0 degrees and smaller than 180 degrees around the center line, and an angle formed by the first imaginary straight line and a third imaginary straight line connecting the center line and the third positioning lance is larger than 0 degrees and smaller than 180 degrees around the center line. |
| US10944196B2 |
Electrical connector
An electrical connector includes an insulating body and multiple conductive terminals. Each conductive terminal has: a main body portion; an elastic arm bending and extending upward from the main body portion; a through slot running through the elastic arm, forming a first elastic arm and a second elastic arm at two opposite sides thereof; and a contact portion bending and extending upward from the elastic arm. A width of the first elastic arm is greater than a width of the second elastic arm. The contact portion defines a virtual center line along an extending direction thereof. A gap between an inner side wall of the first elastic arm on a side thereof adjacent to the through slot and the center line is smaller than a gap between an inner side wall of the second elastic arm on a side thereof adjacent to the through slot and the center line. |
| US10944191B1 |
Offset ;lug connector on a board connection area
An electric packaging including a board and a mechanical component attached to the board. The mechanical component includes a first end attached to the board, a second end opposite the first end, and a seat interposed between the first end and the second end. The mechanical component also includes an upper portion extending from the second end to the seat, the upper portion having a first width and a lower portion extending from the seat to the first end. The lower portion having a second width that is less than the first width. The electric packaging also includes a connector attached to the board. The connector includes a first surface attached to the board and a second surface located opposite the first surface. The second surface includes a plug connection area sized to receive a plug and located completely radially outside of the first width. |
| US10944186B2 |
Antenna system and antenna module with reduced interference between radiating patterns
An antenna system comprises a first antenna element adapted to a first frequency band and a second antenna element adapted to a second frequency band different from the first frequency band. The first antenna element includes a radiating structure having a planar radiating element and configured to radiate at a frequency in the first frequency band and a band-stop filter having a planar conductive element and configured to attenuate a current flow at a frequency in a second frequency band different from the first frequency band. The planar conductive element is arranged in a meander pattern, has an end electrically connected to the planar radiating element, extends in a direction substantially parallel to the planar radiating element, and has an electrical length substantially equal to ¼ of a wavelength of the frequency in the second frequency band. |
| US10944184B2 |
Slot array antenna including parasitic features
An illustrative example antenna device includes a substrate. A plurality of conductive members in the substrate establish a substrate integrated waveguide. A plurality of first and second slots are on an exterior surface of a first portion of the substrate. Each of the second slots is associated with a respective one of the first slots. The first and second slots are configured to establish a radiation pattern that varies across a beam of radiation emitted by the antenna device. A plurality of parasitic interruptions include slots on the exterior surface of a second portion of the substrate. The parasitic interruptions reduce ripple effects otherwise introduced by adjacent antennas. |
| US10944181B2 |
Antenna module and communication device
An antenna module (1) includes a substrate (100) including a first flat plate portion (100a) and a second flat plate portion (100b) that have respective normals intersecting with each other and that are continuous, first patch antennas (10a to 10d) that are formed on the first flat plate portion (100a) and second patch antennas (20a to 20d) that are formed on the second flat plate portion (100b). The first patch antennas (10a to 10d) are arranged in at least a column in a column direction parallel to a boundary line (B) between the first flat plate portion (100a) and the second flat plate portion (100b). The second patch antennas (20a to 20d) are arranged in at least a column in the column direction. |
| US10944176B2 |
Low profile wideband antenna
A low-profile wideband monopole antenna is provided. The antenna may include a radiating element configured in a bent monopole arrangement to provide a vertical polarization such that an omni-directional radiating characteristic is achieved. The radiating element may include a plurality of slots formed at or edged from each side of the radiating element to increase the effective current path length of the radiating element. The antenna may include a feed and a feeding structure extending from the radiating element to the feed. The antenna may further include a ground plane. The radiating element may be arranged substantially parallel to the ground plane. The surface area of the radiating element may be smaller than the ground plane. |
| US10944175B2 |
Waveguide fed surface integrated waveguide antenna and method for producing same
A waveguide antenna and a method for producing same is disclosed. In one embodiment, The waveguide-fed surface integrated antenna array comprises an aperture coupled waveguide (WG) antenna element with inclusive slot on a first metal layer, a first ground plane as part of a surface integrated waveguide (SIW) on a first metal layer, an embedded microstrip feed on a second metal layer, a second ground plane as part of a SIW with one or more apertures formed within the ground plane on a third metal layer, and a waveguide enclosing the antenna element on the first metal layer. The SIW is formed on the first and third metal layers of the composite RF board along with one or more shorting conductors electrically shorting the first and second ground planes. |
| US10944174B2 |
Antenna unit and antenna device
An antenna unit and an antenna device are provided. The antenna unit comprises a first substrate, a signal line, a first electrode, a second electrode, and an auxiliary electrode. The first substrate has a first surface and a second surface opposite to the first surface. The signal line is located on the first surface of the first substrate. The first electrode is located on the second surface of the first substrate. The first electrode is overlapped with the signal line. The first electrode is ring-shape. The second electrode has a through hole. An accommodating space of the through hole is overlapped with the first electrode. The auxiliary electrode is overlapped with the accommodating space of the through hole and the first electrode. |
| US10944172B1 |
High gain and large bandwidth antenna incorporating a built-in differential feeding scheme
An antenna and a base station including the antenna. The antenna includes a sub-array that includes first and second unit cells and a feed network. The first and second unit cells comprise first and second patches, respectively, having quadrilateral shapes. The feed network comprises a first transmission line terminating below first corners of the first and second patches, respectively; a second transmission line terminating below third corners of the first and second patches, respectively; a third transmission line terminating below a second corner of the first patch and a fourth corner of the second patch; and a fourth transmission line terminating below a fourth corner of the first patch and a second corner of the second patch. The first corners are opposite the third corners on the respective first and second patches and the second corners are opposite the fourth corners on the respective first and second patches. |
| US10944167B2 |
Electronic device that reduces antenna interference and enhances antenna performance
The present disclosure relates to an electronic device made in a small size for IoT. An electronic device according to various embodiments includes: a housing; and a substrate disposed in the housing, in which the substrate may include: an upper feed point disposed on a top of the substrate and connecting a communication circuit and an antenna for WiFi to each other; a lower feed point disposed on a bottom of the substrate and connecting the communication circuit and an antenna for cellular communication to each other; and a conductive pad disposed on the top of the substrate to overlap the lower feed point and connected with an antenna for a Global Navigation Satellite System (GNSS) and/or a Global Positioning System (GPS). |
| US10944166B1 |
Balun for increasing isolation in simultaneous transmit and receive antennas
Baluns and antenna devices that achieve improved antenna isolation for simultaneous transmit and receive (STAR) antennas are provided. A tunable balun can be used to compensate for amplitude imbalances in a multi-antenna radio, and/or an antenna agnostic feed network can be used to improve isolation in a single antenna radio. The balun can be integrated directly into the antenna. The balun can control the amplitude of each signal to ensure they are equal, resulting in greater transmitter interference cancellation. |
| US10944164B2 |
Reflectarray antenna for transmission and reception at multiple frequency bands
A reflectarray antenna includes a plurality of antenna conductors patterned on two or more planar surfaces. The antenna conductors include a first set of antenna conductors having a geometric arrangement to beamform and radiate a first wireless signal over a first frequency band. A second set of antenna conductors have a geometric arrangement to beamform and radiate a second wireless signal over a second frequency band that is distinct from the first frequency band. The first set of antenna conductors are formed on the two or more planar surfaces to enable operation at the first frequency band. The second set of antenna conductors are formed on the two or more planar surfaces to enable the second frequency band. |
| US10944162B2 |
Passive sensor system with carbon nanotube components
A passive wireless sensor system is disclosed that includes components fabricated from carbon nanotube (CNT) structures. In some situations, the passive wireless sensor system includes a CNT structure sensor and an antenna that communicates wirelessly by altering an impedance of the antenna. The passive wireless sensor system includes a non-battery-powered energy storage device that harvests energy from carrier signals received at the antenna. The antenna and the energy storage device can be formed from CNT structures. |
| US10944159B2 |
Combination external vehicle antenna housing and installation method
An antenna housing facilitates retrofitting a repeater/router and/or an LTE antenna on a vehicle. The combination antenna housing comprises a housing including a base adapted to be assembled to the vehicle, an intermediate portion, and an upper antenna enclosure portion for a radio and television antenna. A method for providing a vehicle with one or more communication links includes the steps of first assembling a plurality of cables within a wall of the vehicle that extend from inside the vehicle to a location on a roof of the vehicle. A radio and television antenna is attached to one or more of the cables within the combination antenna housing. An extra cable is secured inside the housing without electrically connecting the extra cable to another device until after assembly of the vehicle is completed. |
| US10944152B2 |
Antenna structure
An antenna structure includes a metal frame. The metal frame includes a first gap, a second gap, a third gap, and a fourth gap to separate a first antenna, a second antenna, a third antenna, and a fourth antenna from the metal frame. The metal frame includes a fifth antenna. The first antenna, the second antenna, the third antenna, and the fourth antenna cooperatively form a first multiple-input multiple-output (MIMO) antenna to provide a 4×4 multiple-input multiple-output function in a second frequency band. The first antenna, the second antenna, the third antenna, and the fifth antenna cooperatively form a second MIMO antenna to provide a 4×4 multiple-input multiple-output function in a third frequency band. The first antenna and the third antenna cooperatively form a third MIMO antenna to provide a 2×2 multiple-input multiple-output function in a first frequency band. |
| US10944148B2 |
Plating methods for modular and/or ganged waveguides for automatic test equipment for semiconductor testing
Embodiments described herein perform incisions along the direction of the long axis of the waveguide, thereby exposing a trench structure which can be readily plated. Once divided and plated, the individual cut pieces can then be secured together to restore the original waveguide structure. In this fashion, multiple cut pieces can be secured together and used as “building blocks” to create a modular solution which can be used to provide a number of different customizable waveguide structures. Thus, embodiments described herein can perform plating procedures in a less expensive manner while achieving the benefits of ganged waveguide structures. Moreover, embodiments described herein can offer a modular approach to ganged waveguide design thereby allowing for end-user flexibility in testing. |
| US10944141B2 |
Composite end plate and battery module
The disclosure relates to a composite end plate and a battery module. The composite end plate comprises an end plate body and a rigid connecting plate. The end plate body comprises a first surface and a second surface disposed opposite to each other in its thickness direction, a first connecting segment, an intermediate transitional segment and a second connecting segment disposed successively in its width direction. The rigid connecting plate and the end plate body are made of different materials. The rigid connecting plate is disposed at the intermediate transitional segment, and comprises a transferring segment and a connecting arm embedded into the intermediate transitional segment such that the rigid connecting plate and the end plate body are fixedly connected. The transferring segment is located at the second surface. A surface of the transferring segment away from the intermediate transitional segment can be fixedly connected to an external structural component. |
| US10944139B2 |
Air cooling battery module having guide vane
Disclosed is battery module, which includes a cell assembly having battery cells arranged side by side in one direction and air channels formed at the intervals of the battery cells, and an inlet duct mounted to a front surface of the cell assembly at which the air channels are located to distribute a cooling air to the air channels. The inlet duct includes an air inlet disposed to face air channels, which are located in a central region in the arrangement of the air channels, at a location spaced apart therefrom, a cooling fan being installed at the air inlet to introduce the cooling air; and a guide vane composed of a plurality of plate barriers respectively extending obliquely toward the air channels based on the air inlet at a predetermined acute angle to distribute the flow of air. |
| US10944138B2 |
Battery pack case having efficient cooling structure
Disclosed herein is a battery pack case configured to receive a battery module assembly including a plurality of battery modules, each having a plurality of battery cells or unit modules mounted therein, sequentially stacked, wherein a coolant inlet port and a coolant outlet port are located at the upper part and the lower part of the battery pack case, respectively, in a state in which the coolant inlet port and the coolant outlet port are opposite to each other such that a coolant for cooling the unit modules flows from one side of the battery modules to the opposite side of the battery modules in a direction perpendicular to a direction in which the unit modules are stacked, and an inclined plate for guiding the flow of the coolant is provided between the battery pack case and the battery modules. |
| US10944137B2 |
Battery cooling device for electric vehicle
In a battery cooling device for an electric vehicle, a cooling medium supply piping and a cooling medium discharge piping are disposed in a fore-and-aft direction in a middle part in a vehicle width direction of a vehicle body. A plurality of cooling members extend toward opposite sides in the vehicle width direction from both the pipings. A cooling medium passage returns in an outer end part in the vehicle width direction of the cooling member. Therefore, when the vehicle is involved in a side collision, it becomes difficult for both the pipings to be damaged, and cooling medium is prevented from leaking. Also, the cooling medium flows by making a U-turn inside the cooling member, thereby enabling positions on outside and inside in the vehicle width direction of a battery to be cooled evenly. |
| US10944135B2 |
Battery module including cooling/buffering member having porous structure
The present invention provides a battery module including: a battery cell laminate in which a plurality of battery cells having a structure in which an electrode assembly is inside a sealed battery case with an electrolyte solution are arranged with the sides being in contact with each other; and a cooling/buffering member, mounted beneath the battery cell laminate to support a load of the battery cell laminate, and formed of a porous structure to emit heat generated from the battery cell laminate during a charge and discharge process down the battery cell laminate. |
| US10944134B2 |
Battery
A battery includes a casing having two first peripheral portions and two second peripheral portions, a cell disposed within the casing, two conductive tabs electrically connected to the cell and exposed from at least one of the first peripheral portions, and an absorbent. Each of the second peripheral portions has a sealed region that has a sealed edge adjacent to the cell. The sealed region of at least one of the second peripheral portions has an inner sealed section disposed adjacent to the sealed edge, an outer sealed section, and an isolating section disposed between the inner sealed section and the outer sealed section. The absorbent is received in the isolating section for absorbing moisture or gas. |
| US10944131B2 |
Battery pack switch
A battery pack including a housing defining an aperture, a first battery cell within the housing, a second battery cell within the housing, and a switch. The first battery cell is electrically connected to a first terminal. The second battery cell is electrically connected to a second terminal. The switch is configured to be in a first position and a second position. The switch includes a user-interface, that may extend through the aperture, and a plate, located within the housing. The plate includes a conductive portion and a non-conductive portion. The conductive portion is configured to electrically connect the first terminal to the second terminal when the switch is in the first position. The non-conductive portion is configured to galvanically isolate the first terminal from the second terminal when the switch is in the second position. |
| US10944127B2 |
Non-aqueous electrolyte secondary battery
In this non-aqueous electrolyte secondary battery, a positive terminal and a negative terminal extend in a first direction, protrude from a laminated cell stack, and are provided so that a center line is interposed therebetween, the center line passing through a midpoint of both ends of the laminated cell stack in a second direction orthogonal to the first direction and extending in the first direction when the laminated cell stack is seen in plan view, and a first terminal with higher heat dissipation efficiency among the positive terminal and the negative terminal is provided in a location closer to the center line than a location of a second terminal with lower heat dissipation efficiency among the positive terminal and the negative terminal. |
| US10944125B2 |
Production method for lithium-ion secondary battery
A production method for a lithium-ion secondary battery includes configuring an electrode group provided with a positive electrode and a negative electrode, storing the electrode group, electrolytic solution, and a third electrode in a housing, charging the negative electrode by performing charging between the third electrode and the negative electrode inside the housing, and discharging the charged negative electrode by performing discharging between the third electrode and the negative electrode, thereby producing the lithium-ion secondary battery. |
| US10944124B2 |
Clamping device for an electrochemical cell stack
A clamping device for an electrochemical cell stack is provided. The clamping device can include a first plate and a second plate. The second plate can be positionable relative to the first plate such that a space between the first plate and the second plate can be sized to receive an electrochemical cell stack. The device also can include a coupling member coupling the first plate to the second plate. At least one of the first and second plates can be movable away from the other plate. The coupling member can have a first end portion and a second end portion. The device further can include an elastic member disposed between the first end portion and the second end portion. |
| US10944120B2 |
Polymer electrolyte, method of preparing the polymer electrolyte, and lithium metal battery including the same
A polymer electrolyte including a copolymer having at least one first repeating unit represented by Formula 1 and at least one second repeating unit represented by Formula 2: wherein, R1 to R4, L1, and m in Formula 1 and R5 to R7, L2, G and n in Formula 2 are the same as defined in the specification. |
| US10944118B2 |
Fuel cell system for preventing flooding of a fuel cell stack
A fuel cell system includes a fuel cell stack having a cathode and an anode, a humidifier configured to humidify air that is to be supplied to the cathode, an air supply unit configured to supply the air to the humidifier, and a controller. The controller is configured to adjust a flow rate of the air supplied from the air supply unit, based on a supply of the humidifier, to prevent flooding of the fuel cell stack. |
| US10944114B2 |
Highly active, robust and versatile multifunctional, fully non-noble metals based electro-catalyst compositions and methods of making for energy conversion and storage
The invention provides noble metal-free electro-catalyst compositions for use in acidic media, e.g., acidic electrolyte. The noble metal-free electro-catalyst compositions include non-noble metal absent of noble metal. The non-noble metal is non-noble metal oxide, and typically in the form of any configuration of a solid or hollow nano-material, e.g., nano-particles, a nanocrystalline thin film, nanorods, nanoshells, nanoflakes, nanotubes, nanoplates, nanospheres and nanowhiskers or combinations of myriad nanoscale architecture embodiments. Optionally, the noble metal-free electro-catalyst compositions include dopant, such as, but not limited to halogen. Acidic media includes oxygen reduction reaction (ORR) in proton exchange membrane (PEM) fuel cells, and direct methanol fuel cells and oxygen evolution reaction (OER) in PEM-based water electrolysis and metal air batteries, and hydrogen generation from solar energy and electricity-driven water splitting. |
| US10944113B1 |
Electrode having protective and locking layers on current collector
An electrode includes a current collector, a metal shell in direct contact with and encapsulating the current collector, green dendritic columnar growths extending out of the metal shell and having protrusions thereon, and active material in contact with the metal shell and having embedded therein the green dendritic columnar growths. The protrusions penetrate the active material to form a mechanical retainer that prevents delamination of the active material from the metal shell and define localized regions of increased current density during operation of the electrode that promote deposition of the active material first on the protrusions and then on areas of the green dendritic columnar growths adjacent to the protrusions such that the active material electrochemically adheres to the green dendritic columnar growths and the protrusions enlarge during repeated charge and discharge cycling of the electrode. |
| US10944112B2 |
Current collector, electrode plate including the same and electrochemical device
The present disclosure relates to the technical field of battery, and in particular, relates to a current collector, an electrode plate including the current collector, and an electrochemical device. The current collector includes an insulation layer; and a conductive layer at least located on at least one surface of the insulation layer. The conductive layer has a thickness of D2, where 30 nm≤D2≤3 μm. The current collector is provided with a plurality of holes penetrating through the insulation layer and the conductive layer. |
| US10944111B2 |
Electrode for lithium ion secondary battery and lithium ion secondary battery using the same
An electrode for lithium ion secondary batteries, including a porous glass particle and a positive electrode active material or negative electrode active material that is capable of occluding and releasing lithium ions wherein the pore volume of the porous glass particle is from 0.1 ml/g to 2 ml/g, is used to provide a lithium ion secondary battery excellent in a charge rate property. |
| US10944109B2 |
Methods of producing a lithium carbon fluoride primary battery
A Li/CFx primary battery having a lithium-based anode and a fluorinated carbon cathode. The fluorinated carbon cathode includes fluorinated carbon nanoparticles. The structure and size distribution of the carbon precursor carbon nanotubes are configured to provide improved battery performance. The fluorinated carbon nanoparticles can be formed by fluorinating carbon nanoparticles using a fluorine-based reactive gas at a temperature in the range from 300 to 600° C., and the fluorinated carbon nanoparticles can further be used to form the cathode of the primary battery. Producing the Li/CFx primary batter can also include heating the fluorinated carbon nanoparticles under an inert atmosphere before the fluorinated carbon nanoparticles are used to form the cathode of the primary battery. |
| US10944107B2 |
Methods for the preparation and use of positive electrode materials coated with carbon in lithium secondary batteries
A positive-electrode material for a lithium secondary battery is provided. The material includes a lithium oxide compound or a complex oxide as reactive substance. The material also includes at least one type of carbon material, and optionally a binder. A first type of carbon material is provided as a coating on the reactive substance particles surface. A second type of carbon material is carbon black. And a third type of carbon material is a fibrous carbon material provided as a mixture of at least two types of fibrous carbon material different in fiber diameter and/or fiber length. Also, a method for preparing the material as well as lithium secondary batteries including the material is provided. |
| US10944106B2 |
Metal oxide and synthesis of lithium ion battery
The present application relates to a metal oxide and synthesis of a lithium ion battery. Specifically, the present application selects a cobalt oxide compound, which uses Co3O4 as a main body, as a precursor of lithium cobalt oxide, and anion doping is performed in particles of Co3O4 to obtain a doped precursor for lithium cobalt oxide. The general formula of the precursor can be expressed as Co3(O1-yMy)4, where about 0 |
| US10944103B2 |
Ex-situ solid electrolyte interface modification using chalcogenides for lithium metal anode
Implementations described herein generally relate to metal electrodes, more specifically lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same. In one implementation, an anode electrode structure is provided. The anode electrode structure comprises a current collector comprising copper. The anode electrode structure further comprises a lithium metal film formed on the current collector. The anode electrode structure further comprises a solid electrolyte interface (SEI) film stack formed on the lithium metal film. The SEI film stack comprises a chalcogenide film formed on the lithium metal film. In one implementation, the SEI film stack further comprises a lithium oxide film formed on the chalcogenide film. In one implementation, the SEI film stack further comprises a lithium carbonate film formed on the lithium oxide film. |
| US10944101B2 |
Superior lithium ion battery electrode and methods for fabricating such
Methods are provided for forming an electrode. The method can comprises: thermally reducing GeO2 powders at a reducing temperature of 300° C. to 600° C. to produce Ge particles; mixing the Ge particles with an organic binder and a carbon source; and pressing the Ge particles with the binder and the carbon source to form the electrode. Electrodes are also provided that include a plurality of microparticles comprising Ge grains, an organic binder, and a carbon source, wherein the Ge grains comprise cubic Ge and are bonded together to form Ge particles, and wherein the Ge grains define nanopores within the electrode. |
| US10944096B2 |
Method of manufacturing a lithium metal negative electrode
A negative electrode for an electrochemical cell of a lithium metal battery may be manufactured by welding together a lithium metal layer and a metallic current collector layer. The lithium metal layer and the current collector layer may be arranged adjacent one another and in an at least partially lapped configuration such that faying surfaces of the layers confront one another and establish a faying interface therebetween at a weld site. A laser beam may be directed at an outer surface of the current collector layer at the weld site to melt a portion of the lithium metal layer adjacent the faying surface of the current collector layer and produce a lithium metal molten weld pool. The laser beam may be terminated to solidify the molten weld pool into a solid weld joint that physically bonds the lithium metal layer and the current collector layer together at the weld site. |
| US10944094B2 |
Passivating agents for electrochemical cells
Articles and methods involving electrochemical cells and/or electrochemical cell preproducts comprising passivating agents are generally provided. In certain embodiments, an electrochemical cell includes first and second passivating agents. In some embodiments, an electrochemical cell may include a first electrode comprising a first surface, a second electrode (e.g., a counter electrode with respect to the first electrode) comprising a second surface, a first passivating agent configured and arranged to passivate the first surface, and a second passivating agent configured and arranged to passivate the second surface. |
| US10944093B2 |
Electrode-preparation systems
Methods, stacks and electrochemical cells are provided, in which the cell separator is surface-treated prior to attachment to the electrode(s) to form binding sites on the cell separator and enhance binding thereof to the electrode(s), e.g., electrostatically. The cell separator(s) may be attached to the electrode(s) by cold press lamination, wherein the created binding sites are configured to stabilize the cold press lamination electrostatically—forming flexible and durable electrode stacks. Electrode slurry may be deposited on a sacrificial film and then attached to current collector films, avoiding unwanted interactions between materials and in particular solvents involved in the respective slurries. Dried electrode slurry layers may be pressed or calendared against each other to yield thinner, smother and more controllably porous electrodes, as well as higher throughput. The produced stacks may be used in electrochemical cells and in any other type of energy storage device. |
| US10944090B2 |
Layered busbars having integrated fusible links
A battery interconnect may include a desired current capacity, integrated fusible links, and be manufacturable using cost effective techniques. In some embodiments, a battery interconnect includes a busbar and relatively thinner links. A busbar carries larger currents and accordingly its cross-sectional areas are relatively larger to reduce ohmic losses. A link carries a much smaller current, and a fusible link is configured to break the circuit when the current is above a threshold, thus requiring a relatively small cross-sectional area. These sometime disparate length scales are addressed using several techniques such as layering a busbar and a foil sheet and pressing portions of a busbar to form the links. The links can be affixed to a plurality of battery cells to connect the cells in parallel or series. |
| US10944085B2 |
Outer covering material for electricity storage devices, and electricity storage device
A packaging material for a power storage device, having a structure in which at least a substrate layer, a metallic foil layer with an anti-corrosion treatment layer being disposed on one face or both faces thereof, an adhesive layer or an adhesive resin layer, and a sealant layer are laminated in this order, wherein at least one layer of the adhesive resin layer and the sealant layer comprises a polyolefin-based resin, and an additive compound with an SP value of 11.0 (cal/cm3)1/2 or more and 20.0 (cal/cm3)1/2 or less. |
| US10944079B2 |
Flexible display panel and method for fabricating the same
The disclosure discloses a flexible display panel and a method for fabricating the same, the flexible display panel includes: a flexible substrate and a light-emitting element formed on the flexible substrate, wherein the light-emitting element includes a light-emitting layer, a polarization sheet is arranged on a light-emitting side of the light-emitting element, and the flexible display panel further includes a stress buffer layer. |
| US10944075B2 |
Display panels, methods of manufacturing the same, and display terminals
The present disclosure relates to a display panel, a manufacturing method thereof, and a display terminal. The display panel includes an interlayer insulating layer, a planarization layer, and a pixel defining layer stacked in sequence. The display panel further includes a sub-pixel, a cathode, and a thin film encapsulation structure. The pixel defining layer is provided with an opening. The sub-pixel is disposed in the opening of the pixel defining layer, and the cathode is disposed on the pixel defining layer and covers the sub-pixel. The thin film encapsulation structure is disposed on the cathode, and the thin film encapsulation structure or the cathode is provided with a first embedded portion. The first embedded portion is embedded in the pixel defining layer and the planarization layer, and is in contact with the interlayer insulating layer. |
| US10944073B2 |
Display panel having a crack barrier layer and display apparatus thereof
The present application discloses a display panel having a display area and a peripheral area. The display panel includes a base substrate; a display unit on the base substrate; an encapsulating layer on a side of the display unit distal to the base substrate and encapsulating the display unit; and a first crack barrier layer on the base substrate and in the peripheral area and forming a first enclosure substantially surrounding a first area. The encapsulating layer includes a first inorganic sub-layer. The first inorganic sub-layer includes a first part enclosed inside the first area by the first crack barrier layer. |
| US10944070B2 |
Display device having curved shape
A display device having improved reliability includes: a display panel including a substrate and an encapsulation layer, the substrate including a display area and a non-display area, and the encapsulation layer being located on the substrate at the display area; and a window on the display panel, and the substrate has a convex shape and has a plurality of first grooves arranged at an outer circumferential surface of the substrate. |
| US10944069B2 |
Organic electroluminescence device, method for manufacturing the same, and display device including the same
An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light emitting layer on the hole transport region, an electron transport region on the light emitting layer, and a second electrode on the electron transport region. The electron transport region includes an electron transport layer directly on the light emitting layer. The electron transport layer includes a first ternary compound including a halogen element. |
| US10944066B2 |
Photoresistor with improved sensitivity
A photoresistor comprises two electrodes connected by a photosensitive layer of the photoresistor, and at least one additional layer which is in contact with the photosensitive layer in order to influence the behavior of the photoresistor regarding carrier collection between the two electrodes, in order to improve the sensitivity of the photoresistor. |
| US10944065B2 |
Mid and far-infrared nanocrystals based photodetectors with enhanced performances
Disclosed is a plurality of metal chalcogenide nanocrystals coated with multiple organic and inorganic ligands; wherein the metal is selected from Hg, Pb, Sn, Cd, Bi, Sb or a mixture thereof; and the chalcogen is selected from S, Se, Te or a mixture thereof; wherein the multiple inorganic ligands includes at least one inorganic ligands are selected from S2−, HS−, Se2−, Te2−, OH−, BF4−, PF6−, Cl−, Br−, I−, As2Se3, Sb2S3, Sb2Te3, Sb2Se3, As2S3 or a mixture thereof; and wherein the absorption of the C—H bonds of the organic ligands relative to the absorption of metal chalcogenide nanocrystals is lower than 50%, preferably lower than 20%. |
| US10944057B2 |
Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic equipment
A compound represented by formula (A-0) or (B-0) is useful as a material for organic EL devices which realizes an organic EL device exhibiting high emission efficiency even when driving at a low voltage and has a long lifetime: wherein R1 to R10, n1, m2, k3, k4, n5, m6, k7, k8, L0 to L2, and Ar are as defined in the description. |
| US10944048B2 |
Semiconductor device with magnetic tunnel junction
A semiconductor device includes a substrate, an array of magnetic tunnel junctions (MTJs), an array of first dummy MTJs, and an array of second dummy MTJs. The substrate includes an array region defined thereon, and the array region includes at least an outermost corner. The array of MTJs is disposed in the array region. The array of the first dummy MTJs is disposed along the outermost corner of the array region. The array of the second dummy MTJs is disposed around the array region and the array of first dummy MTJs. |
| US10944046B2 |
Semiconductor device
A semiconductor device includes a semiconductor element, a conductive layer, terminals, and a sealing resin. The conductive layer, containing metal particles, is in contact with the reverse surface and the side surface of the semiconductor element. The terminals are spaced apart from and electrically connected to the semiconductor element. The sealing resin covers the semiconductor element. The conductive layer has an edge located outside of the semiconductor element as viewed in plan. Each terminal includes a top surface, a bottom surface, an inner side surface held in contact with the sealing resin, and the terminal is formed with a dent portion recessed from the bottom surface and the inner side surface. The conductive layer and the bottom surface of each terminal are exposed from a bottom surface of the sealing resin. |
| US10944039B2 |
Fabricating transmon qubit flip-chip structures for quantum computing devices
A quantum computing device is formed using a first chip and a second chip, the first chip having a first substrate, a first set of pads, and a set of Josephson junctions disposed on the first substrate. The second chip has a second substrate, a second set of pads disposed on the second substrate opposite the first set of pads, and a second layer formed on a subset of the second set of pads. The second layer is configured to bond the first chip and the second chip. The subset of the second set of pads corresponds to a subset of the set of Josephson junctions selected to avoid frequency collision between qubits in a set of qubits. A qubit is formed using a Josephson junction from the subset of Josephson junctions and another Josephson junction not in the subset being rendered unusable for forming qubits. |
| US10944038B2 |
Photodetector with superconductor nanowire transistor based on interlayer heat transfer
A photon source includes a photo-pair generator and a detection device. The photo-pair generator is configured to generate a photon-pair in receiving an input signal. A first photon of the photon-pair is output from the photon source via a first optical path. The detection device is configured to receive a second photon of the photon-pair. The detection device includes a transistor that has a semiconducting component that is a source and a drain of the transistor, and a superconducting component that is adjacent to the semiconducting component and is a gate of the transistor. The transistor is configured to transition from an off state to an on state in response a photon being incident upon the detection device. |
| US10944032B2 |
Light emitting diode assembly structure
A light emitting diode assembly structure includes a light emitting chip, a color converting layer, a light guiding member, and a reflecting member. The color converting layer coats the light emitting chip and the light guiding member coats the color converting layer. The planar or non-planar reflecting member is arranged over the light guiding member. The reflecting member faces toward the light emitting chip and changes the range of illumination of the light emitted by the light emitting chip. The reflecting member can be arranged on a side of the color converting layer and light can be irradiated towards the exterior of the light emitting diode assembly structure. |
| US10944027B2 |
Pixel modules with controllers and light emitters
An example of a pixel module comprises a module substrate having light emitters disposed on a light-emitter surface and a controller disposed on a controller surface opposed to the light-emitter surface. At least one module electrode is electrically connected to the controller and at least one module electrode is electrically connected to each light emitter. An example of a pixel-module wafer comprises a module source wafer comprising sacrificial portions and module anchors, each sacrificial portion laterally separated from an adjacent sacrificial portion by a module anchor and a pixel module disposed entirely over each sacrificial portion. At least one module tether physically connects each of the pixel modules to at least one of the module anchors. An example of a pixel-module display comprises a display substrate, pixel modules disposed on the display substrate and display electrodes disposed on the display substrate, each display electrode electrically connected to a module electrode. |
| US10944026B2 |
Semiconductor light emitting device and method of manufacturing semiconductor light emitting device
A semiconductor light emitting device includes: an n-type clad layer made of an n-type aluminum gallium nitride (AlGaN)-based semiconductor material containing silicon (Si); an intermediate layer provided on the n-type clad layer and containing Si; an active layer of an AlGaN-based semiconductor material provided on the intermediate layer; and a p-type semiconductor layer provided on the active layer. A distribution of an Si concentration in a direction in which the n-type clad layer, the intermediate layer, and the active layer are stacked has a local peak at least at a position of the intermediate layer. |
| US10944025B2 |
Light-emitting diode with multiple quantum wells and asymmetric p-n junction
A light-emitting diode including: a first n-doped semiconductor layer configured to form a cathode, and a second p-doped semiconductor layer configured to form an anode, and together forming a p-n junction of the diode; an active zone located between the first layer and the second layer, including at least two emissive layers including a semiconductor capable of forming quantum wells, and a plurality of semiconductor barrier layers such that each emissive layer is located between two barrier layers; an n-doped semiconductor buffer layer located between the first layer and the active zone, the n-dope semiconductor of the buffer layer having a band gap energy less than or equal to about 97% of the band gap energy of the p-doped semiconductor of the second layer. |
| US10944018B2 |
Semiconductor film and semiconductor element
The present invention relates to an application liquid for forming a semiconductor film, the application liquid comprising: an inorganic semiconductor particle; and a compound having a relative permittivity of 2 or more or a compound having reducing power against the inorganic semiconductor particle; a method for producing a semiconductor film comprising a step of applying the application liquid; a semiconductor film and a semiconductor element comprising the semiconductor film; and a method for producing the semiconductor element. |
| US10944017B2 |
Stacked photoelectric conversion device and method for producing same
A method for manufacturing a stacked photoelectric conversion device includes forming an intermediate transparent conductive layer on a light-receiving surface of a crystalline silicon-based photoelectric conversion unit including a crystalline silicon substrate, and forming a thin-film photoelectric conversion unit on the intermediate transparent conductive layer. The stacked photoelectric conversion device includes the crystalline silicon-based photoelectric conversion unit, the intermediate transparent conductive layer, and the thin-film photoelectric conversion unit. The light-receiving surface of the crystalline silicon-based photoelectric conversion unit has a textured surface including a plurality of projections and recesses. The textured surface has an average height of 0.5 μm or more. The intermediate transparent conductive layer fills the recesses of the textured surface and covers the tops of the projections of the textured surface. At least a part of the thin-film photoelectric conversion unit is deposited by a wet method. |
| US10944016B2 |
Optical detection unit, optical detection device, and method for manufacturing optical detection unit
An optical detection unit includes a first wiring substrate that has a first main surface, a plurality of optical detection chips that each have a light receiving surface and a rear surface on a side opposite to the light receiving surface and are two-dimensionally arranged on the first main surface, a first bump electrode that electrically connects the optical detection chip to the first wiring substrate, a light transmitting portion that is provided on the light receiving surface, and a light shielding portion that has light reflection properties or light absorption properties. The optical detection chip includes a Geiger-mode APD and is mounted on the first wiring substrate by the first bump electrode in a state in which the rear surface faces the first main surface. |
| US10944010B2 |
Semiconductor device
A semiconductor device includes an oxide semiconductor layer, a source electrode and a drain electrode electrically connected to the oxide semiconductor layer, a gate insulating layer covering the oxide semiconductor layer, the source electrode, and the drain electrode, and a gate electrode over the gate insulating layer. The source electrode and the drain electrode include an oxide region formed by oxidizing a side surface thereof. Note that the oxide region of the source electrode and the drain electrode is preferably formed by plasma treatment with a high frequency power of 300 MHz to 300 GHz and a mixed gas of oxygen and argon. |
| US10944003B2 |
Vertical field effect transistor and semiconductor device including the same
A vFET includes a first impurity region doped with first impurities at an upper portion of the substrate. A first diffusion control pattern is formed on the first impurity region. The first diffusion control pattern is configured to control the diffusion of the first impurities. A channel extends in a vertical direction substantially orthogonal to an upper surface of the substrate. A second impurity region is doped with second impurities on the channel. A second diffusion control pattern is between the channel and the second impurity region. The second diffusion control pattern is configured to control the diffusion of the second impurities. A gate structure is adjacent to the channel. |
| US10943999B2 |
Field effect transistor and process of forming the same
A process of forming a field transistor (FET) and a FET are disclosed. The FET includes a nitride semiconductor stack on a substrate. A pair of n+-regions made of oxide semiconductor material are provided within respective recesses in the semiconductor stack. Protecting layers, each made of oxide material, cover peripheries of the n+-regions. Electrodes are provided in openings in the protecting layers to be in direct contact with the n+-regions. |
| US10943997B2 |
Semiconductor device and method of manufacturing semiconductor device
A semiconductor layer may be subjected to etching to form a trench therein. An epitaxial layer may be further formed in the trench. Here, the impurity concentration of the epitaxial layer is controlled to be lower than that of the semiconductor layer. In this manner, concentration of electrical fields in the trench is reduced. A first innovations herein provides a semiconductor device including a first semiconductor layer containing impurities of a first conductivity type, a trench provided in the first semiconductor layer on a front surface side thereof, and a second semiconductor layer provided on an inner wall of the trench, where the second semiconductor layer contains impurities of the first conductivity type at a lower concentration than the first semiconductor layer. |
| US10943993B2 |
Semiconductor device and method for fabricating the same
A method for fabricating semiconductor device includes: forming a fin-shaped structure on a substrate, wherein the fin-shaped structure is extending along a first direction; forming a gate layer on the fin-shaped structure; removing part of the gate layer and part of the fin-shaped structure to form a first trench for dividing the fin-shaped structure into a first portion and a second portion, wherein the first trench is extending along a second direction; forming a patterned mask on the gate layer and into the first trench; removing part of the gate layer and part of the fin-shaped structure to form a second trench, wherein the second trench is extending along the first direction; and filling a dielectric layer in the first trench and the second trench. |
| US10943990B2 |
Gate contact over active enabled by alternative spacer scheme and claw-shaped cap
Gate contact over active layout designs are provided. In one aspect, a method for forming a gate contact over active device includes: forming a device including metal gates over an active area of a wafer, and source/drains on opposite sides of the metal gates offset by gate spacers; recessing the metal gates/gate spacers; forming etch-selective spacers on top of the recessed gate spacers; forming gate caps on top of the recessed metal gates; forming source/drain contacts on the source/drains; forming source/drain caps on top of the source/drain contacts, wherein the etch-selective spacers provide etch selectivity to the gate caps and source/drain caps; and forming a metal gate contact that extends through one of the gate caps, wherein the etch-selective spacers prevent gate-to-source drain shorting by the metal gate contact. Alternate etch-selective configurations are also provided including a claw-shaped source/drain cap design. A gate contact over active device is also provided. |
| US10943986B2 |
Transistors, memory cells and semiconductor constructions comprising ferroelectric gate dielectric
Some embodiments include a semiconductor construction having a gate extending into a semiconductor base. Conductively-doped source and drain regions are within the base adjacent the gate. A gate dielectric has a first segment between the source region and the gate, a second segment between the drain region and the gate, and a third segment between the first and second segments. At least a portion of the gate dielectric comprises ferroelectric material. In some embodiments the ferroelectric material is within each of the first, second and third segments. In some embodiments, the ferroelectric material is within the first segment or the third segment. In some embodiments, a transistor has a gate, a source region and a drain region; and has a channel region between the source and drain regions. The transistor has a gate dielectric which contains ferroelectric material between the source region and the gate. |
| US10943984B2 |
Thin film transistor and manufacturing method thereof, display substrate and manufacturing method thereof, and display device
The present disclosure provides a thin film transistor and a manufacturing method thereof, a display substrate and a manufacturing method thereof, and a display device. The thin film transistor of the embodiments of the present disclosure comprises an active layer pattern disposed on a base substrate, a gate electrode insulating pattern disposed on the active layer pattern, and a gate electrode disposed on the gate electrode insulating pattern, wherein a conductive pattern is disposed between the gate electrode and the gate electrode insulating pattern, the conductive pattern being electrically connected to the gate electrode, and an orthographic projection of the conductive pattern on the base substrate being overlapped with an orthographic projection of the gate electrode insulating pattern on the base substrate. |
| US10943981B2 |
Semiconductor device
In a first aspect of a present inventive subject matter, a semiconductor device includes an n-type semiconductor layer, an i-type semiconductor layer and a p-type semiconductor layer. The i-type semiconductor layer includes an oxide semiconductor as a major component. The oxide semiconductor that is included as the major component of the i-type semiconductor layer includes at least one metal selected from among aluminum, indium, and gallium. |
| US10943977B2 |
GAA FET with U-shaped channel
A semiconductor device is disclosed. The semiconductor device includes a channel region, extending along a direction, that has a U-shaped cross-section; a gate dielectric layer wrapping around the channel region; and a gate electrode wrapping around respective central portions of the gate dielectric layer and the channel region. |
| US10943974B2 |
Method for producing a semiconductor component having a channel stopper region
A channel stopper region extending from a first main surface into a component layer of a first conductivity type is formed in an edge region of a component region, the edge region being adjacent to a sawing track region. Afterward, a doped region extending from the first main surface into the component layer is formed in the component region. The channel stopper region is formed by a photolithographic method that is carried out before a first photolithographic method for introducing dopants into a section of the component region outside the channel stopper region. |
| US10943971B2 |
Display device
A display device includes a first panel including a pad side area at one side of the first panel, a first optically transparent adhesive member on one surface of the first panel, a printed circuit board including a first attachment portion attached to the one surface of the first panel at the pad side area, a window on the first optically transparent adhesive member, a second optically transparent adhesive member on the other surface of the first panel, and a second panel on the second optically transparent adhesive member opposite the first panel, wherein the pad side area has a connection area at which the printed circuit board is attached to the first panel, and at which an edge of the first optically transparent adhesive member extends beyond an edge of the second optically transparent adhesive member, and a non-connection area at which the printed circuit board is not attached. |
| US10943968B2 |
Organic light-emitting display device
An organic light-emitting display device is provided. The organic light-emitting display device comprises a plurality of data lines, first and second sensing lines disposed on a same layer as the data lines, an insulating layer disposed on the data lines and the first and second sensing lines, and a power line disposed on the insulating layer. An area of overlap between the first sensing line and the power line is the same as an area of overlap between the second sensing line and the power line. |
| US10943964B2 |
Display substrate and manufacturing method thereof, and display apparatus
The present disclosure relates to a display substrate, a manufacturing method thereof, and a display device. The display substrate comprises: a plurality of sub-pixels arranged in an array; a base substrate; and an interlayer insulating layer, at least one heightened part and a plurality of signal wires, sequentially disposed on the base substrate, wherein an orthographic projection of the heightened part on the base substrate is located between orthographic projections of two adjacent sub-pixels on the base substrate, and two adjacent signal wires between the two adjacent sub-pixels are located on two sides of the heightened part and at least partially cover two lateral sides of the heightened part respectively. |
| US10943957B2 |
Substrate and manufacturing method therefor, and electronic apparatus
A substrate and a method of manufacturing the same, and an electronic apparatus are provided. The substrate includes: a base substrate, a peripheral circuit, and a common electrode lead. The base substrate includes a working area, a non-working area located outside the working area, and an outer contour edge, the non-working area including a peripheral circuit area adjacent to the working area and a non-circuit area away from the working area; the peripheral circuit being arranged in the peripheral circuit area; the common electrode lead being arranged along at least a portion of the outer contour edge of the base substrate; the common electrode lead being arranged in the non-working area and extending along at least the portion of the outer contour edge; the peripheral circuit area being provided with the peripheral circuit, and the peripheral circuit being absent in the non-circuit area. |
| US10943956B2 |
Display panel and manufacturing method thereof
The present invention provides a display panel and a manufacturing method thereof. The display panel comprises a blue organic light-emitting diode (OLED) layer, a thin film encapsulation layer, and a quantum dot color film layer, wherein a serrated encapsulation layer disposed on a side surface of the quantum dot color film layer near the thin film encapsulation layer. The method for manufacturing the display panel comprises a quantum dot color film layer manufacturing step, a serrated encapsulation layer manufacturing step, a blue OLED layer manufacturing step, and a thin film encapsulation layer manufacturing step. The technical effect of the present invention is that the serrated encapsulation layer is disposed on a surface of the quantum dot color film layer, so that blue light is refracted, optical path of blue light in the quantum dot layer is increased, and light conversion efficiency of blue light is improved. |
| US10943955B2 |
Pixel arrangement structure, display substrate, display device and mask plate group
A pixel arrangement structure, a display substrate, a display device, and a mask plate set are provided. In the pixel arrangement structure, a first virtual rectangle includes one first color sub-pixel block, one second color sub-pixel block, and one third color sub-pixel block, the first virtual rectangle includes a first edge and a second edge; a distance between the second color sub-pixel block and the first edge and a distance between the third color sub-pixel block and the first edge are both smaller than a distance between the first color sub-pixel block and the first edge; and a center of the first color sub-pixel block is located on the perpendicular bisector of the first edge and a distance between the center of the first color sub-pixel block and the first edge is approximately ½ to ¾ of a length of the second edge. |
| US10943953B2 |
Semiconductor devices, hybrid transistors, and related methods
A semiconductor device is disclosed. The semiconductor device includes a hybrid transistor including a gate electrode, a drain material, a source material, and a channel material operatively coupled between the drain material and the source material. The source material and the drain material include a low bandgap high mobility material relative to the channel material that is high bandgap low mobility material. Memory arrays, semiconductor devices, and systems incorporating memory cells, and hybrid transistors are also disclosed, as well as related methods for forming and operating such devices. |
| US10943946B2 |
iLED displays with substrate holes
An inorganic light-emitting diode (iLED) display comprises a display substrate comprising a display area and one or more holes extending through the display substrate in the display area and a plurality of inorganic light-emitting diodes (iLEDs) disposed on, in, or over the display substrate in a regular array in the display area. At least some of the iLEDs are disposed between at least some of the holes in the display area and at least some of the holes are between at least some of the iLEDs in the display area. The display substrate can be substantially rigid and the iLED display can a flexible black sheet laminated, affixed, or adjacent to the display substrate. One or more audio loudspeakers can be disposed adjacent to the flexible sheet with the flexible sheet disposed between the display substrate and the one or more audio loudspeakers. |
| US10943941B2 |
Pixel structure, image sensor, image capturing apparatus, and electronic device
To reduce the influence of generation of after-pulses when a pixel including a SPAD is used. In a SPAD pixel, a PN junction part of a P+ type semiconductor layer and an N+ type semiconductor layer is formed, a P type semiconductor layer having a concentration higher than the concentration of a silicon substrate is formed in a region deeper than the PN junction part and close to a light absorption layer. With no quenching operation generating no after-pulse, electrons generated in the light absorption layer are guided to the PN junction part and subjected to avalanche amplification. When the quenching operation is performed after avalanche amplification, the electrons are guided to the N+ type semiconductor layer by a potential barrier to prevent avalanche amplification. The present disclosure is applicable to an image sensor including a SPAD. |
| US10943938B2 |
Image sensor and manufacturing method thereof
An image sensor including a substrate and an image sensing element is provided. The substrate has an arc surface. The image sensing element is disposed on the arc surface and curved to fit a contour of the arc surface. The image sensing element has a front surface and a rear surface opposite to each other and has at least one first conductive via. The rear surface of the image sensing element directly contacts the arc surface, and the first conductive via is extended from the front surface to the rear surface. In addition, a manufacturing method of the image sensor is also provided. |
| US10943937B2 |
Image sensors with light channeling reflective layers therein
An image sensor includes a two-dimensional array of image sensor pixels, which are formed in a semiconductor layer. Each image sensor pixel is formed in a substrate having a corresponding semiconductor region therein. Each semiconductor region contains at least first and second photoelectric conversion elements, which are disposed at side-by-side locations therein. An electrically insulating isolation region is also provided, which extends at least partially through the semiconductor region and at least partially between the first and second photoelectric conversion elements, which may be configured respectively as first and second semiconductor regions of first conductivity type (e.g., N-type). At least one optically reflective region is also provided, which extends at least partially through the semiconductor region and surrounds at least a portion of at least one of the first and second photoelectric conversion elements. A semiconductor floating diffusion (FD) region (e.g., N-type region) is provided within the semiconductor region. |
| US10943936B2 |
Method of producing an optical sensor at wafer-level and optical sensor
A method is proposed to produce an optical sensor at wafer-level, the methods comprises the following steps. A wafer is provided and has a main top surface and a main back surface. At or near the top surface of the wafer at least one integrated circuit is arranged having a light sensitive component. A first mold tool is placed over the at least one integrated circuit such that at least one channel remains between the first mold tool and the top surface to enter a first mold material. A first mold structure is formed by wafer-level molding the first mold material via the at least one channel. The first mold material creates at least one runner structure. A second mold tool is placed over the first mold structure and a second mold structure is formed by wafer-level molding a second mold material by means of the second mold tool. A light path blocking structure is arranged on the top surface to block light from entering via the at least one runner structure. |
| US10943933B2 |
Imaging device and imaging unit
An imaging device having a first surface on which light is incident and a second surface on an opposite side of the first surface, includes a photoelectric conversion section including semiconductors having a same conductivity type, in which an impurity concentration on the second surface side is higher than an impurity concentration on the first surface side. |
| US10943925B2 |
Method of forming FinFET channel and structures thereof
A method for fabricating a semiconductor device having a substantially undoped channel region includes performing an ion implantation into a substrate, depositing a first epitaxial layer over the substrate, and depositing a second epitaxial layer over the first epitaxial layer. In various examples, a plurality of fins is formed extending from the substrate. Each of the plurality of fins includes a portion of the ion implanted substrate, a portion of the first epitaxial layer, and a portion of the second epitaxial layer. In some embodiments, the portion of the second epitaxial layer of each of the plurality of fins includes an undoped channel region. In various embodiments, the portion of the first epitaxial layer of each of the plurality of fins is oxidized. |
| US10943924B2 |
Semiconductor-on-insulator finFET devices with high thermal conductivity dielectrics
In accordance with embodiments of the present invention, a semiconductor device and method for forming a semiconductor device is described. The semiconductor device includes a substrate, including a buried dielectric layer between a base substrate and semiconductor layer. A fin is formed in the semiconductor substrate and having source and drain regions formed adjacent to each side of a gate structure. A heat conducting dielectric encapsulating a lower portion of the fin and source and drain regions above the buried dielectric layer to transfer heat away from the gate structure. |
| US10943922B2 |
Vertical memory devices
A vertical memory device includes a substrate including a cell region and a peripheral circuit region, gate electrodes sequentially stacked on the cell region of the substrate in a vertical direction substantially perpendicular to an upper surface of the substrate, a channel on the cell region and extending through the gate electrodes in the vertical direction, a first lower contact plug on the peripheral circuit region and extending in the vertical direction, a second lower contact plug on the peripheral circuit region adjacent to the first lower contact plug and extending in the vertical direction, and a first upper wiring electrically connected to the first lower contact plug. The first upper wiring is configured to and apply an electrical signal to the first lower contact plug. The second lower contact plug is not electrically connected to an upper wiring configured to apply an electrical signal. |
| US10943917B2 |
Three-dimensional memory device with drain-select-level isolation structures and method of making the same
A three-dimensional memory device includes an alternating stack of insulating layers and electrically conductive layers located over a substrate, and memory pillar structures extending through the alternating stack. Each of the memory pillar structures includes a respective memory film and a respective vertical semiconductor channel. Dielectric cores contact an inner sidewall of a respective one of the vertical semiconductor channels. A drain-select-level isolation structure laterally extends along a first horizontal direction and contacts straight sidewalls of the dielectric cores at a respective two-dimensional flat interface. The memory pillar structures may be formed on-pitch as a two-dimensional periodic array, and themay drain-select-level isolation structure may cut through upper portions of the memory pillar structures to minimize areas occupied by the drain-select-level isolation structure. |
| US10943911B2 |
Vertical transport devices with greater density through modified well shapes
In accordance with an embodiment of the present invention, a memory cell is provided. The memory cell includes a first L-shaped bottom source/drain including a first dopant, and a first adjoining bottom source/drain region abutting the first L-shaped bottom source/drain, wherein the first adjoining bottom source/drain region includes a second dopant that is the opposite type from the first dopant. |
| US10943910B2 |
Method for forming semiconductor integrated circuit structure
A semiconductor IC structure includes a substrate including at least a memory cell region and a peripheral region defined thereon, a plurality of memory cells formed in the memory cell region, at least an active device formed in the peripheral region, a plurality of contact plugs formed in the memory cell region, and at least a bit line formed in the memory cell region. The contact plugs are physically and electrically connected to the bit line. More important, bottom surfaces of the contact plugs are lower a surface of the substrate. |
| US10943907B2 |
Integrated circuitry comprising an array, method of forming an array, method of forming DRAM circuitry, and method used in the fabrication of integrated circuitry
Integrated circuitry comprising an array comprises a plurality of conductive vias. Individual of the vias comprise an upper horizontal perimeter comprising opposing end portions. One of the opposing end portions comprises opposing straight sidewalls. The other of the opposing end portions comprises opposing curved sidewalls that join with the opposing straight sidewalls of the one opposing end portion. Other embodiments, including methods, are disclosed. |
| US10943906B2 |
Fingerprint sensing chip and terminal device
A fingerprint sensing chip and a terminal device are provided. The fingerprint sensing chip includes a first signal, a second signal and a driving signal. The second signal is generated based on the first signal, and the driving signal is generated by performing a ground raise process on the second signal. The driving signal is used to provide a driving voltage for fingerprint sensing. |
| US10943900B2 |
Semiconductor device and method for fabricating the same
A semiconductor device is provided. The Semiconductor device includes a substrate, a first fin type pattern and a second fin type pattern which protrude from an upper surface of the substrate and are spaced apart from each other, a first semiconductor pattern on the first fin type pattern, a second semiconductor pattern on the second tin type pattern and a blocking pattern between the first semiconductor pattern and the second semiconductor pattern, a part of the first semiconductor pattern being inserted in the blocking pattern. |
| US10943898B2 |
High switching frequency, low loss and small form factor fully integrated power stage
A method for fabricating a semiconductor device includes, for a substrate having a first region protected by a cap layer, forming a first device on a second region of the substrate. The substrate includes an insulator layer disposed between a first semiconductor layer and a second semiconductor layer each including a first semiconductor material. The method further includes forming a second device on the first region, including forming one or more transistors each having a channel formed from a second semiconductor material different from the first semiconductor material. |
| US10943896B2 |
Power MOS device having an integrated current sensor and manufacturing process thereof
Power MOS device, in which a power MOS transistor has a drain terminal that is coupled to a power supply node, a gate terminal that is coupled to a drive node and a source terminal that is coupled to a load node. A detection MOS transistor has a drain terminal that is coupled to a detection node, a gate terminal that is coupled to the drive node and a source terminal that is coupled to the load node. A detection resistor has a first terminal coupled to the power supply node and a second terminal coupled to the detection node. |
| US10943893B2 |
Stretchable display device
The present disclosure provides a stretchable display device, comprising: a lower substrate made of a stretchable insulating material and having an active area and a non-active area adjacent to the active area; a plurality of individual substrates spaced apart from each other and disposed in the active area of the lower substrate; pixels disposed on the plurality of individual substrates respectively; and a plurality of connecting lines disposed between the plurality of individual substrates on the lower substrate, and electrically connecting corresponding pads disposed within the plurality of individual substrates respectively. The modulus of the plurality of individual substrates is higher than the lower substrate. |
| US10943892B2 |
Light-emitting semiconductor chip, light-emitting component and method for producing a light-emitting component
A light-emitting semiconductor chip, a light-emitting component and a method for producing a light-emitting component are disclosed. In an embodiment a light-emitting semiconductor chip includes a light-transmissive substrate having a top surface, a bottom surface opposite the top surface, a first side and a second side surface arranged opposite the first side surface, a semiconductor body arranged on the top surface of the substrate and a contacting including a first current distribution structure and a second current distribution structure, wherein the first current distribution structure and the second current distribution structure are freely accessible from a side of the semiconductor body facing away from the substrate, and wherein the semiconductor chip, on the side of the semiconductor body facing away from the substrate and on the bottom surface of the substrate, is free of any connection point configured to electrically contact the first and second current distribution structures. |
| US10943889B2 |
Semiconductor device and method of manufacture
A semiconductor device and method that utilize a surface device are provided. In an embodiment a fuse line comprises an underbump metallization which has two separate, electrically isolated parts. The two parts are bridged by an external connector, such as a solder ball in order to electrically connect the surface device. When, after testing, the surface device is determined to be defective, the fuse line may be disconnected by removing the external connector from the two separate parts, electrically isolating the surface device. In another embodiment the surface is located beneath a package within an integrated fan out package or is part of a multi-fan out package. |
| US10943882B1 |
IC package design and methodology to compensate for die-substrate CTE mismatch at reflow temperatures
An IC package including an integrated circuit die having a major surface and one or more solder bumps located on the major surface in at least one corner region of the major surface and a substrate having a surface, the surface including bump pads thereon. The major surface of the integrated circuit die faces the substrate surface, the one or more solder bumps are bonded to individual ones of the bump pads to thereby form a bond joint, the major surface of the integrated circuit die has a footprint area of at least about 400 mm2. A ratio of a coefficient of thermal expansion of the substrate (CTEsub) to a coefficient of thermal expansion of the integrated circuit die (CTEdie) is at least about 3:1. A method of manufacturing an IC package is also disclosed. |
| US10943877B2 |
Semiconductor device
A semiconductor device may include at least one semiconductor chip, an encapsulant encapsulating the at least one semiconductor chip, a first power terminal connected to the at least one semiconductor chip within the encapsulant, and a second power terminal electrically connected to the first power terminal via the at least one semiconductor chip within the encapsulant. The first power terminal and the second power terminal each may have a plate shape and may be at least partly opposed to each other within the encapsulant |
| US10943865B2 |
Semiconductor memory device
According to one embodiment, a device includes: a semiconductor in a first region of interconnects stacked in a first direction; a first conductor including a first body and a first protrusion, the first body provided in a first region, the first protrusion protruding from the first body in a second direction and overlapping with a second region adjacent to the first region in the second direction; a plug on the first protrusion; a insulator between the plug and the interconnects; a second conductor including a second body and a second protrusion, the second body on the first body and contacting the semiconductor, and the second protrusion on the first protrusion and protruding to the second body; and a first layer on the first protrusion, contacting the second protrusion and the insulator, and extending between the second protrusion and the insulator. |
| US10943863B2 |
Techniques to improve reliability in Cu interconnects using Cu intermetallics
Techniques for improving reliability in Cu interconnects using Cu intermetallics are provided. In one aspect, a method of forming a Cu interconnect in a dielectric over a Cu line includes the steps of: forming at least one via in the dielectric over the Cu line; depositing a metal layer onto the dielectric and lining the via such that the metal layer is in contact with the Cu line at the bottom of the via, wherein the metal layer comprises at least one metal that can react with Cu to form a Cu intermetallic; annealing the metal layer and the Cu line under conditions sufficient to form a Cu intermetallic barrier at the bottom of the via; and plating Cu into the via to form the Cu interconnect, wherein the Cu interconnect is separated from the Cu line by the Cu intermetallic barrier. A device structure is also provided. |
| US10943854B2 |
Semiconductor package and semiconductor apparatus for use with high-frequency signals and improved heat dissipation
A semiconductor package includes a metal board, a first frame, and a second frame. The metal board has an upper surface with a mount area on which a semiconductor device is mountable. The first frame is located on the upper surface of the metal board to surround the mount area. The second frame is located on a bottom surface of the metal board to overlap the first frame. The metal board includes a protrusion protruding from its bottom surface. The protrusion has side surfaces in contact with inner walls of the second frame. The protrusion has a bottom surface located below the second frame. |
| US10943853B2 |
Semiconductor device and manufacturing method thereof
A semiconductor device and a manufacturing method thereof are disclosed. In the device, the isolation layer is used to prevent the first metal layer and the second metal layer which are over-etched and back-splashed from diffusing to a first substrate; and the isolation layer serves as a barrier layer to prevent an interconnection layer from diffusing into the first substrate. Further, the isolation layer includes a silicon nitride layer, which is advantageous for preventing the metal layers from back-splashing and diffusing to the sidewall of the first substrate. The isolation layer further includes a first silicon oxide layer and a second silicon oxide layer, wherein the second silicon oxide layer is used to protect the silicon nitride layer from being etched and consumed and the first silicon oxide layer is used to improve the adhesion between the silicon nitride layer and the first substrate. |
| US10943851B1 |
Reconstituted wafer assembly
An integrated circuit device assembly may be formed comprising a reconstituted wafer attached to a base substrate, wherein the base substrate provides thermal management and optical signal routes. In one embodiment, the base substrate may include a plurality of electrical interconnects for electrically coupling integrated circuit devices in the reconstituted wafer. In another embodiment, a plurality of electrical interconnects for electrically coupling integrated circuit devices in the reconstituted wafer may be formed in the reconstituted wafer itself. |
| US10943842B2 |
Semiconductor device with a protection mechanism and associated systems, devices, and methods
A semiconductor device includes a substrate including a substrate top surface; interconnects connected to the substrate and extending above the substrate top surface; a die attached over the substrate, wherein the die includes a die bottom surface that connects to the interconnects for electrically coupling the die and the substrate; and a metal enclosure directly contacting and vertically extending between the substrate top surface and the die bottom surface, wherein the metal enclosure peripherally surrounds the interconnects. |
| US10943838B2 |
Measurement of overlay error using device inspection system
A method and system for measuring overlay in a semiconductor manufacturing process comprise capturing an image of a feature in an article at a predetermined manufacturing stage, deriving a quantity of an image parameter from the image and converting the quantity into an overlay measurement. The conversion is by reference to an image parameter quantity derived from a reference image of a feature at the same predetermined manufacturing stage with known overlay (“OVL”). There is also disclosed a method of determining a device inspection recipe for use by an inspection tool comprising identifying device patterns as candidate device care areas that may be sensitive to OVL, deriving an OVL response for each identified pattern, correlating the OVL response with measured OVL, and selecting some or all of the device patterns as device care areas based on the correlation. |
| US10943835B2 |
Fabrication of silicon germanium channel and silicon/silicon germanium dual channel field-effect transistors
A method for manufacturing a semiconductor device includes forming a plurality of fins on a substrate, wherein each fin of the plurality of fins includes silicon germanium. A layer of silicon germanium oxide is deposited on the plurality of fins, and a first thermal annealing process is performed to convert outer regions of the plurality of fins into a plurality of silicon portions. Each silicon portion of the plurality of silicon portions is formed on a silicon germanium core portion. The method further includes forming a plurality of source/drain regions on the substrate, and depositing a layer of germanium oxide on the plurality of source/drain regions. A second thermal annealing process is performed to convert outer regions of the plurality of source/drain regions into a plurality of germanium condensed portions. |
| US10943832B2 |
Semiconductor device and manufacturing method thereof
In a method of manufacturing a semiconductor device, a fin structure having a bottom portion, an intermediate portion disposed over the bottom portion and an upper portion disposed over the intermediate portion is formed. The intermediate portion is removed at a source/drain region of the fin structure, thereby forming a space between the bottom portion and the upper portion. An insulating layer is formed in the space. A source/drain contact layer is formed over the upper portion. The source/drain contact layer is separated by the insulating layer from the bottom portion of the fin structure. |
| US10943831B2 |
Vertical field effect transistors
Vertical field effect transistors (FETs) with minimum pitch and methods of manufacture are disclosed. The structure includes at least one vertical fin structure and gate material contacting with the at least one vertical fin structure. The structure further includes metal material in electrical contact with the ends of the at least one vertical fin. |
| US10943827B2 |
Semiconductor device with fin structures
A semiconductor device structure is provided. The semiconductor device structure includes a first fin structure and a second fin structure over a semiconductor substrate. A top surface of the first fin structure is closer to the semiconductor substrate than a top surface of the second fin structure. The semiconductor device structure also includes a first epitaxial structure on the first fin structure. The semiconductor device structure further includes a second epitaxial structure on the third fin structure. The first epitaxial structure is wider than the second epitaxial structure. |
| US10943826B2 |
Method for arranging a plurality of seed substrates on a carrier element and carrier element having seed substrates
A method for arranging a plurality of semiconductor seed substrates on a carrier element, in which for applying a semiconductor layer to the seed substrates, the seed substrates are arranged on the carrier element by integral bonding. A carrier element having integrally bonded seed substrates for coating with a semiconductor layer is also provided. |
| US10943821B2 |
Method of manufacturing semiconductor device
A method of manufacturing a semiconductor device includes: forming a metal film containing Al on a surface of a substrate product including a substrate and a nitride semiconductor layer on the substrate, the metal film covering a via hole forming predetermined region, and the surface of the substrate product being located on the nitride semiconductor layer side, forming an etching mask having an opening for exposing the via hole forming predetermined region on a back surface of the substrate product, the back surface of the substrate product being located on the substrate side, and forming a via hole in the substrate product by reactive ion etching, the via hole reaching the surface from the back surface and exposing the metal film. In the forming of the via hole, a reaction gas containing fluorine is used during a period at least including a termination of etching. |
| US10943818B2 |
Semiconductor device and method
In an embodiment, a method includes: forming a differential contact etch stop layer (CESL) having a first portion over a source/drain region and a second portion along a gate stack, the source/drain region being in a substrate, the gate stack being over the substrate proximate the source/drain region, a first thickness of the first portion being greater than a second thickness of the second portion; depositing a first interlayer dielectric (ILD) over the differential CESL; forming a source/drain contact opening in the first ILD; forming a contact spacer along sidewalls of the source/drain contact opening; after forming the contact spacer, extending the source/drain contact opening through the differential CESL; and forming a first source/drain contact in the extended source/drain contact opening, the first source/drain contact physically and electrically coupling the source/drain region, the contact spacer physically separating the first source/drain contact from the first ILD. |
| US10943814B1 |
Etch stop member in buried insulator of SOI substrate to reduce contact edge punch through
A method forms a trench isolation opening extending into an SOI substrate, and forms an etch stop member in a portion of the insulator layer abutting a side of the trench isolation opening. The etch stop member has a higher etch selectivity than the insulator layer of the SOI substrate. A trench isolation is formed in the trench isolation opening. A contact is formed to a portion of the semiconductor layer of the SOI substrate. The etch stop member is structured to prevent contact punch through to the base substrate of the SOI substrate. |
| US10943811B2 |
Tape affixing apparatus
A tape affixing apparatus includes: a holding unit including a frame holding unit and a wafer holding portion; a feeding unit configured to feed a tape unit; a winding unit configured to wind a sheet from which a dicing tape is peeled off; a plate configured to be brought into contact with the sheet and peel the tape off from the sheet by bending the tape unit with the sheet on the inside; an affixing roller configured to affix the peeled-off tape to a frame and a wafer; and a nozzle configured to blow air so as to make the peeled-off tape conform to the affixing roller. |
| US10943810B2 |
Device and method for bonding
A device for bonding of a second substrate onto a first substrate, comprising a receiving apparatus for receiving the first substrate which has been coated with a bond layer and the second substrate which is held on the bond layer, and an action apparatus for applying a bond force to the second substrate on one action side of the second substrate, which side faces away from the bond layer proceeding from an initial zone A, which lies within an edge zone R of the action side as far as action on the entire action side.Furthermore, this invention relates to a corresponding method. |
| US10943808B2 |
Ceramic electrostatic chuck having a V-shape seal band
Implementations described herein provide a substrate support assembly that includes a seal band. The seal band protects an adhesive layer that is disposed between an electrostatic chuck (ESC) and a cooling plate of the substrate support assembly. In one example, a substrate support assembly includes an electrostatic chuck and a cooling plate. A bonding layer secures a bottom surface of the electrostatic chuck to a top surface of the cooling plate. The bonding layer has an adhesive layer and a seal band. The seal band circumscribes and protects the adhesive layer. The seal band has a ring shaped body. The ring shaped body has a top surface connected to a bottom surface by an inner surface and an outer surface. The top surface and the bottom surface angled less than 85 degrees from the inner surface. The outer surface has an indent formed therein. |
| US10943806B2 |
Substrate processing apparatus, method of manufacturing semiconductor device, and non- transitory computer-readable recording medium
A substrate processing technique includes: a first heating device configured to heat a substrate to a first processing temperature; a first process chamber provided with the first heating device; a second heating device configured to heat the substrate to a second processing temperature utilizing microwaves, the second processing temperature being higher than the first processing temperature; a second process chamber provided with the second heating device; a substrate placement portion configured to load and unload the substrate with respect to the first process chamber and the second process chamber by placing and rotating the substrate; and a controller configured to respectively control the first heating device, the second heating device, and the substrate placement portion. |
| US10943803B2 |
Methods and assemblies for gas flow ratio control
Methods and gas flow control assemblies configured to deliver gas to process chamber zones in desired flow ratios. In some embodiments, assemblies include one or more MFCs and a back pressure controller (BPC). Assemblies includes a controller, a process gas supply, a distribution manifold, a pressure sensor coupled to the distribution manifold and configured to sense back pressure of the distribution manifold, a process chamber, a one or more mass flow controllers connected between the distribution manifold and process chamber to control gas flow there between, and a back pressure controller provided in fluid parallel relationship to the one or more mass flow controllers, wherein precise flow ratio control is achieved. Alternate embodiments include an upstream pressure controller configured to control flow of carrier gas to control back pressure. Further methods and assemblies for controlling zonal gas flow ratios are described, as are other aspects. |
| US10943802B2 |
Photoresist bottle container
The present disclosure describes a container for placing an object therein. The container includes a container body and a lid over the container body, a collision-preventing portion attached to one or more of the container body and the lid and configured to buffer an impact force, a pairing recognition mechanism configured to detect an object placed in the container body, and a liquid-detecting sensor configured to detect a leakage from the object. |
| US10943790B2 |
Semiconductor devices and methods for manufacturing the same
Semiconductor devices and methods for manufacturing the same are disclosed. In an embodiment, a method of manufacturing a semiconductor device may include providing a substrate having a recess; epitaxially forming a first layer including a doped semiconductor material within the recess; and epitaxially forming a second layer including an undoped semiconductor material over at least a portion of the recess. |
| US10943787B2 |
Confined work function material for gate-all around transistor devices
A method of forming a nanosheet field effect transistor device is provided. The method includes forming a stack of alternating sacrificial layer segments and nanosheet layer segments on a substrate. The method further includes removing the sacrificial layer segments to form channels on opposite sides of the nanosheet layer segments. The method further includes depositing a gate dielectric layer around each of the nanosheet layer segments, and forming a work function material block on the gate dielectric layer to form a gate-all-around structure on the nanosheet layer segments. The method further includes forming a capping layer on the work function material block. |
| US10943781B2 |
Manufacturing method for light emitting device, light emitting device, and hybrid light emitting device
A manufacturing method for a light emitting device, a light emitting device, and a hybrid light emitting device, the manufacturing method comprises the following steps: step S1: disposing a mask plate having a plurality of hollow portions on a substrate; step S2: applying, by using a solution method, ink on a surface of the substrate by using the hollow portions; and step S3: drying or solidifying the ink on the surface of the substrate to form a light emitting layer or a functional layer. |
| US10943780B2 |
Methods for ALD of metal oxides on metal surfaces
Methods for depositing metal oxide layers on metal surfaces are described. The methods include exposing a substrate to separate doses of a metal precursor, which does not contain metal-oxygen bonds, and an alcohol. These methods do not oxidize the underlying metal layer. |
| US10943779B2 |
Method and system for three-dimensional (3D) structure fill
Embodiments include methods and systems of 3D structure fill. In one embodiment, a method of filling a trench in a wafer includes performing directional plasma treatment with an ion beam at an angle with respect to a sidewall of the trench to form a treated portion of the sidewall and an untreated bottom of the trench. A material is deposited in the trench. The deposition rate of the material on the treated portion of the sidewall is different than a second deposition rate on the untreated bottom of the trench. In one embodiment, a method includes depositing a material on the wafer, filling a bottom of the trench and forming a layer on a sidewall of the trench and a top surface adjacent to the trench. The method includes etching the layer with an ion beam at an angle with respect to the sidewall. |
| US10943775B2 |
Collection probe and methods for the use thereof
Method and devices are provided for assessing tissue samples from a plurality of tissue sites in a subject using molecular analysis. In certain aspects, devices of the embodiments allow for the collection of liquid tissue samples and delivery of the samples for mass spectrometry analysis. |
| US10943773B2 |
Ruthenium sputtering target and ruthenium alloy sputtering target
A ruthenium sputtering target, wherein a Si content is 10 to 100 wtppm, a total content of unavoidable impurities excluding gas components is 50 wtppm or less, and a remainder is Ru. By suppressing the crystal growth of ruthenium or a ruthenium alloy and reducing the generation of coarse crystal grains, arcing that occurs during sputtering is minimized, particle generation is reduced, and yield is improved. |
| US10943771B2 |
Methods for thermally calibrating reaction chambers
Methods for thermally calibrating reaction chambers are provided. In some embodiments, methods may include calculating a first correction factor of a first contact type temperature sensor within a first reaction chamber utilizing a first temperature sensor and applying the first correction factor to a first temperature controller to provide a first calibrated contact type temperature sensor. Embodiments may also include calculating a first calibration factor of a first non-contact type temperature sensor within the first reaction chamber utilizing the first calibrated contact type temperature sensor and applying the first calibration factor to the first non-contact type temperature sensor to provide a first calibrated non-contact type temperature sensor. |
| US10943763B1 |
Use of electron beam scanning electron microscopy for characterization of a sidewall occluded from line-of-sight of the electron beam
A semiconductor device is scanned by an electron beam of a scanning electron microscope (SEM). The area includes a three-dimensional (3D) feature having a top opening and a sidewall. The 3D feature is imaged while varying an energy value of the electron beam. The electron beam impinges at a first point within a selected area of the semiconductor device and interacts with the sidewall, wherein the first point is at a distance away from an edge of the top opening. Based on change in a signal representing secondary electron yield at the edge as the energy value of the electron beam is varied during the SEM imaging, it is determined whether the sidewall is occluded from a line-of-sight of the electron beam. A slope of the sidewall may be determined by comparing measured signals with simulated waveforms corresponding to various slopes. |
| US10943762B2 |
Inspection system, image processing device and inspection method
An inspection system is provided that includes a microscope that scans a sample with a beam that is an incident electron beam, and an image processing device that controls the microscope. The image processing device performs: an acquisition process of acquiring a plurality of images relating to brightness based on an amount of a signal electron detected from the sample a result of controlling the microscope according to a s and irradiating the sample with the beam, the plurality of image acquisition condition being multiple combinations of different irradiation amounts of the beam per unit length; a first generation process of generating a plurality of actually measured profiles that show a relationship between an irradiation position of the beam in the sample and the brightness of the sample, based on the plurality of images acquired in the acquisition process; and an output process of outputting an electrical contact characteristic of the sample based on the plurality of actually measured profiles generated in the first generation process. |
| US10943761B2 |
System for evacuating a chamber
Systems and methods are provided for evacuating a chamber 101. The evacuation system comprises a cooler 320 coupled with the chamber and a controller 350. The controller is configured to determine whether a property of the cooler or the chamber satisfies one or more conditions. Based on the determination that the property satisfies the one or more conditions, the controller is configured to isolate the cooler from the chamber or control the temperature of the cooler to increase at one or more rates. The controller is further configured to control one or more pumps 330,340 to pump the chamber to a base pressure value. |
| US10943759B2 |
X-ray tube
An X-ray tube includes a vacuum housing, an electron gun, and an anode that includes a target emitting X-rays and a target supporting portion supporting the target. The target supporting portion has an anode main body portion and a protrusion portion including a side surface portion. The anode main body portion includes an outer circumferential surface extending in a direction of a tube axis, and a connection portion formed between the side surface portion of the protrusion portion and the outer circumferential surface. An angle formed by the outer circumferential surface and the connection portion is an obtuse angle. |
| US10943754B2 |
Circuit breaker apparatus and system
Disclosed is a circuit breaker apparatus, including a first switching assembly, a first controller, a second switching assembly and a second controller. The first switching assembly is connected in series between a positive pole of a power supply and a load. The first switching assembly includes multiple first switching units in series. The first controller is electrically connected to a first pre-set reference potential of the first switching assembly. The first controller is electromagnetically coupled with each first switching unit through a first transformer unit. The second switching assembly is connected in series between a negative pole of the power supply and the load. The second switching assembly includes multiple second switching units in series. The second controller is electrically connected to a second pre-set reference potential of the second switching assembly. The second controller is electromagnetically coupled with each second switching unit through a second transformer unit. |
| US10943753B2 |
Electromagnetic relay
According to one or more embodiments, when a predetermined time has passed after generation of an arc at least either between a movable contact and a fixed contact or between a movable contact and a fixed contact, an arc generated between the movable contact and the fixed contact is extended by a magnetic field generation unit to be longer than an arc generated between the movable contact and the fixed contact. |
| US10943748B2 |
Electronic devices with component mounting structures
Electronic devices are provided that have components. A housing protrusion may be interposed between a display cover layer and display components. A button may have a button member. A support structure for a dome switch in the button may have a screw hole. A housing may have screw holes through which a screw passes. The screw may also pass through the screw hole of the support structure to hold the switch structure near the button member. A clip may have a spring. A metal plate may prevent the clip from becoming worn by the spring. A display may be mounted on a ledge in a device housing. The ledge may have gaps with supports and removed corners. |