| Document | Document Title |
|---|---|
| US10785901B2 |
Optimization approach for placement heads tasks assignment of beam-type single-gantry surface mounters
An optimization approach for placement heads tasks assignment of beam-type single-gantry surface mounter is disclosed, building a comprehensive framework that simultaneously achieves all optimization objectives in reasonably short time. Specific steps are as follows: (a) importing user-defined production parameters and forming raw production data, (b) pre-processing the raw production data and obtaining the intermediate production data that facilitates the subsequent processing, (c) verifying the loop condition of the “placement heads tasks assignment”, (d) performing nozzle assignment, (e) confirming all the nozzle assignment exchange possibilities, (f) verifying whether the loop condition of “component allocation” are fulfilled, (g) performing component allocation, and (h) outputting the optimal placement heads tasks assignment results. |
| US10785900B2 |
Electrically conductive article containing shaped particles and methods of making same
Electrically conductive articles are provided, including a composite including (a) a resin, and (b) electrically conductive shaped particles distributed in the resin, the particles having a monosized distribution. Each particle has a shape including at least a first surface and a second surface intersecting the first surface at an angle a between about 5 degrees and about 150 degrees. The composite has a thickness and often each of the electrically conductive shaped particles distributed in the resin is oriented within the resin such that the particle does not extend beyond the thickness of the composite. A method for making an electrically conductive article is also provided, including (a) providing electrically conductive shaped particles having a monosized distribution, and (b) distributing the particles into a resin to form a composite. |
| US10785892B1 |
Heat dissipation system and coolant distribution module thereof
A heat dissipation system and a coolant distribution module for plural electronic components of an electronic computing device are provided. The heat dissipation system includes plural water-cooling heads, a heat dissipation device and the coolant distribution module. When a fluid medium flows through the heat dissipation device, the heat dissipation device exchanges heat with the fluid medium. The coolant distribution module is connected between the plural water-cooling heads and the heat dissipation device. The coolant distribution module includes a main body and a power module. The module main body includes a cooled fluid chamber. The cooled fluid chamber includes plural first outlets corresponding to the plural water-cooling heads. The power module is installed in the module main body. The power module drives the fluid medium to be outputted from the plural first outlets. Consequently, the fluid medium is transferred through a circulating loop. |
| US10785891B1 |
Superconducting computing system in a liquid hydrogen environment
Superconducting computing system housed in a liquid hydrogen environment and related aspects are described. An example superconducting computing system includes a housing, arranged inside a liquid hydrogen environment, where a lower pressure is maintained inside the housing than a pressure outside the housing. The superconducting computing system further includes a substrate, arranged inside the housing, having a surface, where a plurality of components attached to the surface is configured to provide at least one of a computing or a storage functionality, and the substrate further comprises a plurality of circuit traces for interconnecting at least a subset of the plurality of the components. The housing is configured such that each of the plurality of components is configured to operate at a first temperature, where the first temperature is below 4.2 Kelvin, despite the liquid hydrogen environment having a second temperature greater than 4.2 Kelvin. |
| US10785888B1 |
Air guide cover
An air guide cover fixed on a motherboard having slot connectors and main coolers. The air guide cover includes an air guide body and a clip assembly. The air guide body covers the slot connectors correspondingly. The clip assembly has a first U-clip and a second U-clip, both of which connected to the air guide body. The first U-clip and the second U-clip are individually snapped and fixed to the clips of the slot connectors and the fixtures of the main coolers, respectively. In this way, the air guide cover can be fixed on the motherboard without using fasteners, like screws, such that savings in time and effort are achieved. |
| US10785879B2 |
Circuit board and production method therefor
A method of manufacturing a circuit substrate includes the steps of preparing a conductor paste in which a powder of at least one of a metal boride and a metal silicide is added to a powder of silver (Ag), applying the conductor paste to a surface of a ceramic substrate which has been fired, applying a glass paste to the surface of the ceramic substrate after applying the conductor paste, firing the conductor paste applied to the surface so as to form a conductor trace, and firing the glass paste applied to the surface so as to form a coating layer. |
| US10785875B2 |
Flexible printed circuit board and display module using the same
A flexible printed circuit board and a display module are capable of enhancing a fixing force of the flexible printed circuit board to a display panel or an inspection jig, and prevent the flexible printed circuit board from being separated or detached as well as being torn upon attachment and detachment. The flexible printed circuit board includes a display panel including a display area and a non-display area; a flexible film attached to the display area and to which a driving unit is mounted; and a flexible printed circuit board attached to the flexible film and having a connector for receiving external signals, wherein the flexible printed circuit board includes: at least one hole fixing the flexible printed circuit board to a rear surface of the display panel by bending the flexible film; and at least one indent fixed to an inspection jig. |
| US10785874B2 |
Detecting card edge connector configuration states
A technique includes coupling a resistor network to a plurality of card edge connectors. The resistor network has a resistance, and each card edge connector includes electrical contacts to couple a resistor of a circuit card assembly, when inserted into the card edge connector, to the resistor network to alter the resistance of the resistor network. The technique includes determining a state of the plurality of card edge connectors based on a signal that is provided by the resistor network. |
| US10785866B2 |
Image forming apparatus provided with commonized printed circuit board
A monochrome image forming apparatus includes an image forming unit that forms a black image, a motor that drives the image forming unit, a control circuit that controls the motor, a first connector to which the motor is connected via a control line, a second connector to which a control target is not connected, and a substrate on which the control circuit, the first connector, and the second connector are arranged. A predetermined mark is formed on the substrate through silk screen printing. A distance between the predetermined mark and the second connector is shorter than a distance between the predetermined mark and the first connector. If the substrate is disposed in a multi-color image forming apparatus configured to form a color image, a control target for the multi-color image forming apparatus is connected to the second connector. |
| US10785863B2 |
Circuit support and cooling structure
A MMIC support and cooling structure having a three-dimensional, thermally conductive support structure having a plurality of surfaces and a circuit having a plurality of heat generating electrical components disposed on a first portion of the surfaces and interconnected by microwave transmission lines disposed on a second portion of the plurality of surfaces of the thermally conductive support structure. |
| US10785862B2 |
Microelectronic modules with sinter-bonded heat dissipation structures and methods for the fabrication thereof
Methods for producing high thermal performance microelectronic modules containing sinter-bonded heat dissipation structures. In one embodiment, the method includes embedding a sinter-bonded heat dissipation structure in a module substrate. The step of embedding may entail applying a sinter precursor material containing metal particles into a cavity provided in the module substrate, and subsequently sintering the sinter precursor material at a maximum processing temperature less than a melt point of the metal particles to produce a sintered metal body bonded to the module substrate. A microelectronic device and a heatsink are then attached to the module substrate before, after, or concurrent with sintering such that the heatsink is thermally coupled to the microelectronic device through the sinter-bonded heat dissipation structure. In certain embodiments, the microelectronic device may be bonded to the module substrate at a location overlying the thermally-conductive structure. |
| US10785861B2 |
Vibration-resistant circuit arrangement for electrically connecting two terminal regions
Various embodiments include a circuit arrangement comprising: a heat sink; and a set of layers arranged on a surface of the heat sink. The set of layers includes a first electrically insulating insulation layer and an electrically conductive conductor layer arranged on a side of the insulation layer facing away from the heat sink. The set of layers includes an electrical connecting path between two electrical connection regions. At least one layer of the set of layers is formed by cold gas spraying of a respective material. |
| US10785860B2 |
Double-frequency power-driven inductively coupled plasma torch, and apparatus for generating nanoparticle using same
A dual frequency power-driven inductively coupled plasma torch according to an exemplary embodiment of the present invention includes: a hollow confinement tube provided with a space in which thermal plasma is formed; an induction coil that surrounds the confinement tube; and a power supply source that supplies power to the induction coil, wherein the power supply source may supply at least two powers having different frequencies to the induction coil. |
| US10785857B2 |
Multiple location load control system
A multiple location dimming system may include a smart dimmer (e.g., a main load control device) and one or more remote dimmers (e.g., accessory devices) for controlling the amount of power delivered to a lighting load. The multiple location dimming system may be installed in place of a multiple location switch system (e.g., having three, four, or more multi-way switches), and may not require a neutral connection at any of the control devices of the multiple location dimming system. The main load control device and the accessory devices of the multiple location dimming system may be configured to display a present intensity level of a lighting load on one or more visual indicators. The accessory devices may have the same or different user interfaces as the main load control device, and may provide additional functionality over that which the main load control device offers. |
| US10785856B2 |
Electronic lighting apparatus with wireless connectability to a base for wireless power transmission and secure mounting
A wireless wiring apparatus includes a ceiling-embedded casing and a power-receiving casing. The ceiling-embedded casing includes screws connected to a surface of the ceiling-embedded casing and configured to be connected to a ceiling, a bracket inside the ceiling-embedded casing and connected to the screws, a coil, and a power wire connected to an external alternating current electrical power source. The power-receiving casing includes neodymium magnets on another surface of the power-receiving case, L-shaped notches formed adjacent to the neodymium magnets, and a coil of wire formed inside the power-receiving casing. |
| US10785854B2 |
Lighting system and lighting apparatus
Disclosed is a lighting system that can control lighting using a PLC communications while reducing an increase in cost for equipment. The lighting system includes a controller configured to communicate through a PLC communications, and a lighting apparatus group having a plurality of lighting apparatuses. The plurality of lighting apparatuses includes a master configured to communicate through the PLC communications, and a slave capable of communicating with the master. The master communicates with the slave through a communications that is different from the PLC communications. |
| US10785853B2 |
Highly functional operating device
The invention relates to an operating device for operating at least one lighting means comprising a grid input stage and at least one output stage connected to the grid input stage with output connections for connection to the lighting means, a control device for controlling the output stage or operation of the at least one lighting means, and a first digital bidirectional control interface for connection to a first external digital control bus with addressing functionality for receiving external control information, in particular a DALI (Digital Addressable Lighting Interface) interface. The operating device according to the invention is characterized in that it comprises a second digital bidirectional control interface for connection to a second external (in relation to operating device) digital control bus with addressing functionality, wherein first and second control interfaces are designed for operation with different data protocols. |
| US10785850B2 |
Controller for indicating a presence of a virtual object via a lighting device and a method thereof
A controller (102) and a method for indicating a presence of a virtual object (110) via a lighting device (108) are disclosed. The virtual object (110) has a virtual location corresponding to a physical location. The controller (102) comprises a receiver (104) configured to receive location information representative of the physical location of the virtual object (110) relative to the lighting device (108). The controller further comprises a processor (106) configured to determine if the virtual object (110) is located within a first predetermined proximity (112) of the lighting device (108) based on the location information, and to control the lighting device (108) according to a light setting when the virtual object (110) is located within the first predetermined proximity (112) of the lighting device (108). |
| US10785845B1 |
Electronic devices with backlit displays
An electronic device may have a display mounted in a housing. The housing may have a stand that supports the housing on a support surface or may have other shapes. The display may have pixels that display an image. The display may also have a two-dimensional array of light-emitting devices such as light-emitting diodes that supply backlight illumination for the pixels. An array of temperature sensors may be overlapped by the pixels. Control circuitry may maintain historical backlight aging information during operation of the display. The aging information may include information on output brightness levels of the light-emitting diodes and light-emitting diode operating temperatures. |
| US10785840B2 |
Color-mixing LED component and method of production therefor
A color mixing light emitting diode (LED) assembly comprises a carrier and at least three LEDs that are arranged on the carrier and configured to emit light in mutually different colors and together generate an output radiation that corresponds to an additive color mix, wherein each of the LEDs has an individual emission characteristic. The LED assembly furthermore comprises a respective driver input for each of the LEDs to supply the LEDs with electrical energy, wherein the emission characteristics of the LEDs are dependent on the respective energy supply so that the color mix of the output radiation can be set by varying the respective energy supply at the driver inputs. The LED assembly has a calibration information element that includes at least one readable calibration value for each of the LEDs that represents the individual emission characteristic of the respective LED. |
| US10785839B2 |
Thermal ballast
A thermal ballast temporarily stores heat generated during a heat generating device's operation thereby extending the device's operating time during an interval of adverse thermal operating condition. The thermal ballast (10) includes: a. a highly thermally conductive layer (42) that is adapted for being thermally coupled to the heat generating device; and b. a high heat capacity layer (44) that is laminated to the high thermal conductivity layer (42). The high heat capacity layer (44) may be formed from a solid piece of a suitably chosen material. Alternatively, the high heat capacity layer (44) may be formed from a piece of a suitably chosen material having a cavity that is filled with a material (46) which changes phase at a temperature below the heat generating device's maximum operating temperature. Disclosed are various different ways for infusing the material (46) which changes phase at a temperature below the heat generating device's maximum operating temperature into the high heat capacity layer (44) and retaining the material (46) therein. |
| US10785837B2 |
Systems and methods for stage-based control related to TRIAC dimmers
System controller and method for a lighting system according to certain embodiments. For example, the system controller includes a first controller terminal configured to receive a first signal, and a second controller terminal coupled to a first transistor terminal of a transistor. The transistor further includes a second transistor terminal and a third transistor terminal. The second transistor terminal is coupled to a first winding terminal of a winding, and the winding further includes a second winding terminal coupled to a capacitor. Additionally, the system controller includes a third controller terminal coupled to the third transistor terminal of the transistor, and a fourth controller terminal coupled to a resistor and configured to receive a second signal. The second signal represents a magnitude of a current flowing through at least the winding, the third controller terminal, the fourth controller terminal, and the resistor. |
| US10785836B2 |
Stainless steel LED power switch
An encapsulated LED switch that incorporates a MOSFET power drivers, high current transistors, or other suitable power drivers in a PCB that attaches to the LED switch such that a low power LED switch controls the output of a high power driver. The selected power driver PCB can be adapted to different load requirements by making simple changes. The PCB's can be interchanged to provide for a predetermined output power required for a particular application. In addition, the wire gauge size of the wires attached to the MOSFET power driver PCB can also be varied to match intended load requirements. For applications in which the LED switch is used in hostile environments, such as marine applications, the LED switch and its associated power driver PCB are encapsulated to protect the circuitry from environmental factors such as high humidity, salt water, etc. |
| US10785835B2 |
Flash generator for a flash tube
The present disclosure relates to a flash generator for providing power supply to a flash tube so that the flash tube rapidly provides a light output adapted to FP-sync, Flat Peak. The flash generator comprises a capacitor bank, an output and a switch configured to switch a current flow from the capacitor bank via the output to provide a variable power via the output. The flash generator further comprises a controller for controlling the switch, whereby by controlling the on time of the switch, the generator is operative to provide, during a time period of 100 to 2000 μs during a peak time period within the time period, an average power at least 4 times higher than the average power provided during the other time period within the time period, whereby the flash tube during the peak time period becomes fully ignited. |
| US10785834B2 |
Radio frequency heating and defrosting apparatus with in-cavity shunt capacitor
A radio frequency (RF) heating and defrosting apparatus may include an electrode which, when supplied with RF signal energy, may responsively radiate electromagnetic energy into a cavity of the RF heating and defrosting apparatus. This radiated electromagnetic energy may cause a thermal increase of a load in the cavity. A capacitor may be formed from a portion of the electrode and a conductive plate disposed adjacent to the electrode. The conductive plate may be coupled to a ground reference structure. Dielectric material(s) having a low dielectric constant may be disposed directly between the electrode and the conductive plate. |
| US10785833B2 |
Integrated solid state microwave power generation modules
An embodiment of a microwave power generation module includes an amplifier arrangement, an impedance matching element, and a resonant element. The amplifier arrangement includes a transistor with a transistor input and a transistor output. The impedance matching element is formed from a planar conductive structure. The planar conductive structure has a proximal end and a distal end, and the proximal end is electrically coupled to the transistor output. The resonant element has a proximal end electrically coupled to the distal end of the planar conductive structure, and the resonant element is configured to radiate electromagnetic energy having a microwave frequency in a range of 800 megahertz (MHz) to 300 gigahertz (GHz). A combination of the impedance matching element and the resonant element is configured to perform an impedance transformation between an impedance of the transistor and an impedance of an air cavity. |
| US10785832B2 |
Systems and methods for selective sensing and selective thermal heating using nanostructures
Various methods for sensing and/or heating that utilize nanostructures or carbon structures, such as nanotubes, nanotube meshes, or graphene sheets, are disclosed. In some methods, at least a pair of contacts are electrically coupled with a given nanostructure or carbon structure to sense a change or to pass a current for heating. |
| US10785830B2 |
Infrared emitter
An infrared emitter is provided. The infrared emitter includes a substrate made of an electrically insulating material. The substrate includes a surface that contacts a printed conductor made of a resistor material that is electrically conducting and generates heat when current flows through it. The electrically insulating material includes an amorphous matrix component into which an additional component is embedded that absorbs in the spectral range of infrared radiation. At least a part of the surface is configured with a cover layer made of porous glass, whereby the printed conductor is embedded, at least in part, in the cover layer. |
| US10785827B2 |
Master unit, remote unit and multiband transmission system
A master unit and a remote unit is provided for a multiband transmission system for distributing and combining signals of at least one wireless communication network and at least one digital network. A reference frequency generator is arranged in the master unit, the reference frequency generator being designed to clock a master modem for converting the signals of the at least one digital network. The reference frequency signal emitted by the reference frequency signal is restored via a reference frequency receiver and is used for closing a remote modem that is located there for demodulation. |
| US10785826B2 |
Method of establishing a direct connection between a mobile device, and an image display apparatus, and method thereof
A mobile device, a controlling method thereof, an image display apparatus, and a controlling method thereof are provided. The mobile device includes: a user interface (UI) configured to receive a user command to control the image display apparatus; a communication interface configured to provide a service according to the user command through an access point (AP) to which the image display apparatus is connected, and perform a direct connection operation with the image display apparatus in response to the service being provided; and a controller configured to control the communication interface to hand the service over to a direct channel connected to the image display apparatus in response to the direct connection operation being completed. |
| US10785821B2 |
Device and method of handling a resume cause in a radio resource control message
A communication device for handling resume causes comprises at least one storage device; and at least one processing circuit coupled to the at least one storage device. The at least one storage device stores instructions, and the at least one processing circuit is configured to execute the instructions of: initiating a radio resource control (RRC) resume procedure for a non-access stratum (NAS) requested purpose and a RRC requested purpose; determining a resume cause in a RRC Resume Request message of the RRC resume procedure according to the NAS requested purpose instead of the RRC requested purpose; transmitting the RRC Resume Request message comprising the resume cause to a BS of the network; and receiving a RRC Resume message for responding to the RRC Resume Request message, from the BS. |
| US10785819B2 |
Maximum idle period for multi-band dual connectivity
This disclosure describes systems, methods, and devices related to multi-band dual connectivity. A device may establish a first connection with a first access point on a first band. The device may establish a second connection with a second access point on a second band. The device may determine a multi-band maximum idle period. The device may cause to send a presence indication to at least one of the first access point or the second access point within the multi-band maximum idle period. |
| US10785814B2 |
Method, device and system for sending participating service provider identity
The present disclosure discloses a method, device and system for transmitting a participating service provider identity. The method includes: parsing a previously received broadcast that is transmitted by a Neutral Host (NH) network access device to determine whether a first short PSP identity corresponding to a long PSP identity to be accessed exists in a first short PSP identity list in the broadcast; transmitting a first communication protocol message to the NH network access device when it is determined that the first short PSP identity exists in the first short PSP identity list; and acquiring a second communication protocol message transmitted by the NH network access device, the second communication protocol message indicating whether an NH network supports the long PSP identity. |
| US10785811B2 |
Wireless base stations and backhaul management
According to one configuration, a system includes resources in which to configure a base-band manager, a first virtual radio, a second virtual radio, and a third virtual radio. The first virtual radio is coupled to a first set of antenna elements of antenna hardware, which provide wireless connectivity to first communication devices in a first wireless coverage region. The second virtual radio is coupled to a second set of antenna elements of the antenna hardware, which provide wireless connectivity to second communication devices in a second wireless coverage region. The third radio communication hardware is coupled through a third set of antenna elements of the antenna hardware to a primary backhaul in communication with a remote network. The base-band manager couples the first virtual radio and the second communication resource to the third virtual radio, providing the first communication devices and the second communication devices access to a remote network. |
| US10785805B2 |
Communication method and communications apparatus
Embodiments of this application provide a communication method and a communications apparatus. The method includes: receiving identification information of N beams of a target cell and random access channel configurations of M beams in the N beams, where N and M are positive integers; and determining a beam for accessing based on signal quality or signal strength of L beams in the N beams, the identification information of the N beams, and the random access channel configurations of the M beams, where L is a nonnegative integer. |
| US10785802B2 |
Transmitting SR prior to completing RACH
For handling multi UL access procedures, methods, apparatus, and systems are disclosed. One apparatus includes a processor and a transceiver for communicating with a mobile communication network using a plurality of radio bearers. The processor initiates a first random-access procedure for a first radio bearer. The processor receives a scheduling request trigger for a second radio bearer while the first random-access procedure remains pending. The processor determines whether simultaneous scheduling request transmission is permitted, wherein the transceiver transmits a first scheduling request message for the second radio bearer in response to simultaneous scheduling request transmission being permitted. |
| US10785798B2 |
Secondary channel spatial reuse in a wireless network
A data unit (e.g., a physical layer convergence procedure (PLCP) protocol data unit (PPDU)) is detected at a first wireless device of a basic service set (BSS). The data unit was sent on a channel from a second wireless device of an overlapping basic service set (OBSS). The data unit is wide-bandwidth, occupying both a primary channel and a secondary channel of the wireless network. The first and second wireless devices are within a same spatial reuse group (SRG). The first wireless device stores the channel bandwidth of the data unit and a receive duration time of the data unit. During the receive duration time of the data unit, a SRG OBSS power density threshold is applied on the secondary channels that are within the channel bandwidth of the data unit, instead of applying a non-SRG OBSS power density threshold on those secondary channels. |
| US10785794B2 |
Methods and apparatus for grant processing
Certain aspects of the present disclosure relate to methods and apparatus for grant processing in uplink centric subframes. An example method generally includes transmitting a first subframe comprising a first grant that includes information for one or more transmissions on that allocated resources in the first subframe to a user equipment (UE) and transmitting the first subframe, with a second grant that allocates resources in at least a second subframe to occur after the first subframe. Other aspects, embodiments, and features are also claimed and described. |
| US10785793B2 |
Method and apparatus for scheduling multiple uplink grants of different types
Aspects of the present disclosure provide for scheduling multiple types of uplink grants for a single user equipment to support different types of service with different traffic patterns and quality of service (QoS) requirements. In some aspects of the disclosure, the user equipment may be configured with uplink grants for different types of semi-persistent scheduling, along with a dynamic uplink grant. In some examples, the different types of semi-persistent scheduling may include dedicated semi-persistent scheduling and contention-based semi-persistent scheduling. |
| US10785792B2 |
User device-initiated low-latency data transmissions
The present disclosure describes techniques and systems for user device-initiated low-latency data transmissions to reduce a latency in transmitting low-latency data. These techniques may include a user device that autonomously determines to transmit low-latency data, then transmits the low-latency data over one or more resources of a wireless network for which transmission of the low-latency data is not scheduled. |
| US10785791B1 |
Controlling data transmission in radio access networks
An example communication system includes remote units, each which includes one or more radio frequency (RF) units to exchange RF signals with mobile devices, with at least some of the RF signals including information destined for, or originating from, a mobile device. A controller is separated from the remote units by one or more networks. The controller is connected to an external network, and is for implementing a scheduler. The scheduler is for allocating resources for transmission of data representing the information, and is configured to override a pending hybrid automatic repeat request (HARQ) transmission on a HARQ process by scheduling a new HARQ transmission on the HARQ process. |
| US10785788B2 |
Method for transmitting uplink signal from UE in wireless communication system and apparatus for supporting the same
The present invention discloses a method for transmitting or receiving ACK information between a UE and a BS in a wireless communication system and an apparatus for supporting the same. According to one embodiment applicable to the present invention, the UE may transmit a first type channel configured with 1 or 2 symbols and a second type channel configured with 4 or more symbols by configuring a transient period between first type channel transmission and second type channel transmission within a time period corresponding to the second type channel if the first type channel and the second type channel are continuous in a time domain. |
| US10785781B2 |
Data transmission method, terminal and data transmission system
A data transmission method, a terminal, a base station and a data transmission system are disclosed, the method applied to a terminal includes: receiving a scheduling instruction issued by a base station, the scheduling instruction carrying a location identifier, and the scheduling instruction being used for scheduling one or more transmission subframes; obtaining the location identifier; determining a transmission subframe according to the location identifier, a subframe where the scheduling instruction is located, and a scheduling location identification rule, the scheduling location identification rule including correspondence relations between the location identifier, the subframe where the scheduling instruction is located and the transmission subframe; transmitting data through the transmission subframe. The terminal obtains the location identifier and finds a transmission subframe to perform a data transmission and then realize data transmission across the subframes. |
| US10785778B2 |
Method for handling for an uplink split operation in wireless communication system and a device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for handling for an uplink split operation in wireless communication system, the method comprising: generating and/or receiving second data available for transmission in a PDCP entity, and determining a RLC entity to be used for submitting the second data based on first data volume, if second data volume is larger than a first threshold and less than a second threshold; indicating the second data volume to a first MAC entity associated with a primary RLC entity, if the first data volume is less than the first threshold; and indicating the second data volume to both the first MAC entity associated with the primary RLC entity and a second MAC entity associated with a secondary RLC entity, if the first data volume is larger than the second threshold. |
| US10785777B2 |
Apparatus and method for receiving data frames
Certain aspects of the present disclosure provide an apparatus for wireless communications. The apparatus includes a processing system configured to generate a frame comprising a preamble, a first header, and a second header, wherein the preamble and the first header are configured to be decoded by a first device operating according to a first protocol, the second header not being configured to be decoded by the first device, and wherein the preamble, the first header, and the second header are configured to be decoded by a second device operating according to a second protocol; and an interface configured to output the frame for transmission. |
| US10785775B2 |
Network assisted interference cancellation and suppression method, apparatus, system and related device
The disclosure discloses a Network Assisted Interference Cancellation and Suppression (NAICS) method, apparatus, system and related device, for NAICS based on existing hardware configuration of a terminal. A first NAICS method includes the following steps. NAICS capability information reported by a User Equipment (UE) is received. NAICS assisted signalling is issued to the UE according to the NAICS capability information and/or interference information of a neighbouring base station. A second NAICS method includes the following steps. Transmission Modes (TM) are divided into N TM subsets, each TM subset including at least one TM, N being a natural number. A neighbouring base station is notified of a TM subset scheduled for an interfering UE, wherein the interfering UE includes a UE located at the edge of a coverage area of the neighbouring base station, and the notified TM subset does not include a high-complexity TM. |
| US10785773B2 |
Scheduling method and apparatus
Within one carrier, a base station reserves a first resource area for a first TTI-based transmission in a unit of first TTI within a second TTI period longer than the first TTI, and schedules a first data channel to be transmitted on the basis of the first TTI, in the first resource area. |
| US10785771B2 |
Almost blank subframe indication in wireless networks
Aspects are described for use in wireless communications. Almost blank subframes may be employed in communications via a primary cell and a secondary cell of a base station. A wireless device may receive an indication of first measurement resources for the secondary cell and an indication of second measurement resources for the secondary cell. The wireless device may transmit first channel state information and second channel state information for the secondary cell. Cross carrier scheduling may be employed such that, during a time period that cross carrier scheduling is configured and the second carrier is activated, when the first carrier enters an almost blank subframe the second carrier also enters an almost blank subframe. |
| US10785765B2 |
Control channel transmission method and apparatus
In a system and method of control channel transmission in the communications field, REs, except those used for transmitting a DMRS, are grouped in each physical resource block pair of L physical resource block pairs. The L physical resource block pairs are determined to be used to transmit a control channel into N eREGs. The number of valid REs are calculated except other overheads in each eREG of the N eREGs. Each of the eCCEs are mapped onto M eREGs according to the number of valid REs included in each eREG of the N eREGs of each physical resource block pair. The eCCE is sent in the REs included in the eREG. |
| US10785764B2 |
Information change transmission method and device for single-cell multicast service
The present application provides an information change transmission method and device related to a single-cell multicast service. According to one aspect, a method executed by user equipment (UE) is provided, comprising: receiving downlink control information (DCI) on a second narrow-band physical downlink control channel (NPDCCH); receiving an information change notification for a single-cell multicast control channel (SC-MCCH) according to the information on the second NPDCCH; and receiving SC-MCCH information according to an indication of DCI on a first NPDCCH. The SC-MCCH information change notification is comprised in the DCI of the second NPDCCH or a message indicated by the DCI of the second NPDCCH. The present application further provides a corresponding method executed by a base station, and corresponding user equipment (UE) and a base station. |
| US10785761B2 |
Quasi co-located antenna ports for channel estimation
Systems and methods are disclosed for estimating one or more channel properties of a downlink from a cellular communications network based on quasi co-located antenna ports with respect to the one or more channel properties. In one embodiment, a user equipment receives a downlink subframe including a downlink control channel from the cellular communications network. The user equipment estimates one or more large-scale channel properties for an antenna port of interest in the downlink control channel based on a subset of reference signals that correspond to antenna ports in the cellular communications network that are quasi co-located with the antenna port of interest with respect to the one or more large-scale channel properties. As a result of using the quasi co-located antenna ports, estimation of the one or more large-scale channel properties is substantially improved. |
| US10785760B2 |
Base station and radio terminal
A base station according to one embodiment comprises a controller configured to perform a downlink transmission process using a subframe. The subframe comprises a main PDCCH (Physical Downlink Control Channel) region located at a head portion of the subframe, and a data region other than the main PDCCH region. The data region comprises a short TTI region to which a short TTI (Transmission Time Interval) having a shorter time length than the subframe is applied. The short TTI region comprises a sub-PDCCH region. The controller is configured to arrange information indicating the sub-PDCCH region in the main PDCCH region. |
| US10785759B2 |
Method and apparatus for determining numerology bandwidth in a wireless communication system
Methods and apparatuses for determining numerology bandwidth in a wireless communication system are disclosed herein. In one method, a user equipment receives information for a numerology. The information comprises a frequency location and a bandwidth. The UE derives a resource allocation for the numerology based on the frequency location and the bandwidth. |
| US10785758B2 |
Reception of downlink data for coordinated multi-point transmission in the event of fall-back
Systems and methods for fall-back rate-matching and timing for user equipment (UE) configured for downlink (DL) Coordinated Multi-Point Transmission (CoMP) are disclosed. In one embodiment, when a UE configured in DL CoMP receives a fall-back transmission, PDSCH is rate-matched around the serving cell CRS. In an alternative embodiment, when a UE configured in DL CoMP receives a fall-back transmission, PDSCH is rate-matched or uses timing around one of the cell-specific reference symbol (CRS) resource element (RE) set indicated by RRC-higher layer signaling. For example, PDSCH may be rate-matched or use timing around the first RRC higher layer configured CRS RE set. |
| US10785757B2 |
Uplink control information sending method, uplink control information receiving method, apparatus, and system
The present disclosure relates to uplink control information sending methods, uplink control information receiving methods, apparatus, and systems. One example method includes receiving, by a terminal device, channel indication information from an access network device on a physical control channel, determining a channel resource set of N channel resource sets that matches a size of uplink control information (UCI) as a first channel resource set, determining a first channel resource from the first channel resource set according to the channel indication information, and sending the UCI to the access network device on the first channel resource. |
| US10785756B2 |
Method for transmitting control information and apparatus for same
The present invention pertains to a wireless communication system. Particularly, the present invention relates to a method for transmitting uplink control information and an apparatus for the same, wherein the method comprises the steps of: selecting one uplink control channel resource corresponding to a plurality of HARQ-ACKs, from a plurality of uplink control channel resources; and transmitting a bit value corresponding to the plurality of HARQ-ACKs through the use of the selected uplink control channel resource. |
| US10785752B2 |
Resource configuration method, system and device for single-cell multicast control channel (SC-MCCH)
A resource configuration method, system and device for a Single-Cell Multicast Control Channel (SC-MCCH) are provided. In the method, a base station sends a system broadcast message, which includes configuration information of the SC-MCCH configured by the base station, the configuration information includes a Modification Period (MP) of the SC-MCCH and time-domain location information of the SC-MCCH, and the configuration information further includes at least one of: a Repetition Period (RP) of the SC-MCCH, configuration information of SC-MCCH change notification information, and a value tag. |
| US10785750B2 |
Methods for triggering user equipment to monitor paging message, user equipments, base stations and storage medium
Methods for triggering a user equipment (UE) to monitor a paging message, user equipments, base stations, and storage medium are provided. A method for triggering a user equipment (UE) to monitor a paging message, carried out in the UE, the method comprising: acquiring a correspondence between the UE and a time-frequency resource, where a trigger message for the UE locates, of a broadcast channel; receiving the trigger message from a base station via a time-frequency resource of a broadcast channel according to the correspondence; and triggering monitoring of the paging message for the UE. |
| US10785748B2 |
Mobile device assisted selection of paging location area in a wireless communication network
A technique of selecting a location area for paging of a mobile device in the wireless communication network is described herein. The technique includes registering the mobile device with a first cell within the wireless communication network, where the cell is included within a primary location area and one or more secondary location areas. The technique also includes determining a default location area index for the mobile device, where the default location area index identifies a default location area for the mobile device. The technique further includes receiving an indication from the mobile device to change from the default location area index to a secondary location area index. The secondary location area index identifies a secondary location that at least includes a sub-portion of the primary location area. |
| US10785746B2 |
Coverage enhancement service mode selection
There is provided a method for coverage enhancement service mode selection. The method is performed by a wireless device. The method comprises obtaining an indication to switch between a first coverage enhancement service mode and a second coverage enhancement service mode. The method comprises selectively switching between the first coverage enhancement service mode and the second coverage enhancement service mode according to the indication. There is also provided a wireless device configured to perform such a method. There is also performed a method for coverage enhancement service mode selection as performed by a network node and a network configured to perform such a method. |
| US10785745B2 |
Scaling multi-core neurosynaptic networks across chip boundaries
Embodiments of the invention provide a system for scaling multi-core neurosynaptic networks. The system comprises multiple network circuits. Each network circuit comprises a plurality of neurosynaptic core circuits. Each core circuit comprises multiple electronic neurons interconnected with multiple electronic axons via a plurality of electronic synapse devices. An interconnect fabric couples the network circuits. Each network circuit has at least one network interface. Each network interface for each network circuit enables data exchange between the network circuit and another network circuit by tagging each data packet from the network circuit with corresponding routing information. |
| US10785743B2 |
Positioning method and apparatus
A positioning method includes sending, by a to-be-positioned node, a first request to a first node, where the first request includes device information of N second nodes, and the N is a positive integer greater than or equal to one, receiving measurement information from the first node, where the measurement information includes location information of the N second nodes and distances between the first node and the N second nodes, and obtaining location information of the to-be-positioned node according to the measurement information and measurement time information obtained through monitoring a process in which the first node performs distance measurement. |
| US10785741B2 |
Registration method for broadcast receiver, terminal and storage medium
A method of registration for a broadcast receiver, a terminal and a non-transitory computer readable storage medium are provided. The method includes: classifying a broadcast sender according to a frequency of a broadcast message sent by the broadcast sender and called by a broadcast recipient, and recording the broadcast sender and a type of the broadcast sender determined in a classification result; querying, after obtaining a registration instruction of the broadcast receiver and according to a registration object in a registration instruction, the type of the broadcast sender corresponding to the registration object from the classification result; and processing, according to the type of the broadcast sender, the registration of the broadcast receiver. |
| US10785733B2 |
Method and apparatus for reporting power headroom
Provided are a method for reporting a power headroom and an apparatus using the same. The apparatus computes and reports a power headroom for a physical uplink shared channel (PUSCH) that is transmitted in a first transmission period of a first band having a first subcarrier interval. The power headroom is computed on the basis of at least one second transmission interval of a second band having a second subcarrier interval which overlaps with the first transmission interval. |
| US10785729B2 |
Method and device for controlling uplink power
The present application provides a method and a device for controlling uplink power. The method includes: receiving, by a terminal device, uplink power control information transmitted by a network device; determining, by the terminal device, according to the uplink power control information, a target power control parameter corresponding to a target transmission mode, where the target transmission mode is a target uplink multiple access mode, or a target uplink beam, or a target uplink precoding scheme, or a target transmission scheduling scheme; and determining, by the terminal device, according to the target power control parameter, target transmitting power for transmitting a target uplink signal using the target transmission mode. The method and the device for controlling uplink power provided in the present application can flexibly adjust the uplink transmitting power to meet the requirements of different transmission modes, and are suitable for a communication system supporting multiple transmission modes. |
| US10785728B2 |
Apparatus and method for performing uplink power control in wireless communication system supporting carrier aggregation
A method of an apparatus controlling transmit power of uplink channels in a wireless communication system is provided. The method includes configuring, for a UE, a primary serving cell on which a first uplink control channel is transmitted from the UE; configuring, for the UE, a secondary serving cell on which a second uplink control channel is transmitted from the UE; configuring a first TPC command and a second TPC command in a single TPC command group, the first TPC command being associated with transmit power of the uplink control information of the primary serving cell, the second TPC command being associated with transmit power of the uplink control information of the secondary serving cell, scrambling downlink control information (DCI) based on an identifier associated with a TPC, the DCI comprising the single TPC command group; transmitting, to the UE, a downlink control channel comprising the scrambled DCI. |
| US10785727B2 |
Uplink power prioritization for short TTI
Certain embodiments relate to a method for use in a wireless device. The method comprises distributing uplink power among parallel transmissions that the wireless device has scheduled during a subframe on two or more uplink physical channels. The parallel transmissions comprise one or more short transmission time interval, sTTI, transmissions, and the UL power is distributed according to at least one prioritization rule. According to one of the prioritization rules, sTTI transmissions comprising control information are prioritized over sTTI transmissions comprising data without any control information. According to another of the prioritization rules, transmissions with shorter transmission time intervals are prioritized over transmissions with longer transmission time intervals. |
| US10785723B2 |
Power management of an IoT tracker
Techniques described herein may be used to conserver battery power of an Internet of Things (IoT) tracker by increasing the overall amount of time that the IoT tracker is in a battery conservation mode (a sleep mode, a Power Save Mode (PSM), etc.). A IoT tracker may implement a battery conservation policy that may include instructions that cause the IoT tracker to monitor certain conditions, determine when the conditions satisfy a particular trigger, and implement a battery conservation mode in response to those conditions. Examples of such conditions may include (1) the IoT tracker being close to a user device designated to track the location of the IoT tracker, (2) identifying that a current time and day are associated with a pre-selected schedule for disabling tracking services, (3) the IoT tracker being located within a particular geographic area, and more. |
| US10785716B2 |
Wireless connectivity information for a mobile device
In aspects of wireless connectivity information for a mobile device, a mobile device includes a connectivity module that determines that the mobile device is to wirelessly connect to a network. The connectivity module of the mobile device queries for a host device to provide wireless connectivity information, such as via a direct device-to-device query between the mobile device and the host device. The mobile device receives a query response from the host device, and the connectivity module obtains wireless connectivity information from the query response. The connectivity module utilizes the connectivity information to perform a focused scan for a network, such as a network identified in the query response. In response to detecting the network based on the focused scan, the connectivity module interacts with the network to establish a wireless connection between the mobile device and the network. |
| US10785715B2 |
Determining suitability of an access network
Methods and systems for selecting access networks are disclosed. In one aspects, a mobile terminal includes one or more transceivers configured to selectively connect to the plurality of wireless access networks, and hardware processing circuitry configured to perform operations including obtaining, via one of the plurality of wireless access networks, motion information for one or more other access networks of the plurality of access networks, the motion information indicating motion of one or more connection points; and controlling activation of the one or more transceivers to scan for availability of one or more of the other access networks in dependence on the motion information of the other access networks, wherein the scanning for availability comprises powering up at least one of the one or more transceivers to determine which access networks are present within a proximity of the mobile terminal. |
| US10785706B2 |
Bandwidth signaling for a basic service set (BSS) supporting 320 MHZ operating bandwidth
Systems, devices, apparatus and methods, including computer programs encoded on storage media, are disclosed for an access point (AP) in a basic service set (BSS) to advertise or indicate 320 MHz bandwidth operation and frequency segment composition in the 320 MHz bandwidth to one or more stations (STAs) in a Wireless Local Area Network (WLAN). Also, a WLAN device may advertise or indicate its 320 MHz bandwidth support capability to other WLAN devices in the WLAN. |
| US10785699B2 |
Next generation node-B (GNB) for integrated access and backhaul (IAB) relay in new radio (NR) networks
Embodiments of a Next Generation Node-B (gNB) and methods of communication are disclosed herein. The gNB may be configured with a gNB central unit (gNB-CU) and a gNB distributed unit (gNB-DU). The gNB-CU may determine a route for delivery of a data packet to a User Equipment (UE) on an integrated access backhaul (IAB) of relays. The gNB may generate a physical layer (PHY) data packet in accordance with a split between functionality of a packet data convergence protocol (PDCP) layer at the gNB-CU and functionality of a radio link control (RLC) layer at the gNB-DU. The PHY data packet may include the data packet, a PDCP header, an adaptation layer header, an RLC header, a medium access control (MAC) header, and a PHY header. The adaptation layer header may indicate one or more relays included in the route. |
| US10785698B2 |
Passive sensor networking protocol
Disclosed is a control method for controlling data return in a passive sensor network comprising an aggregation node and sensor nodes. The control method comprises the following steps: controlling the aggregation node to broadcast energy to the entire passive sensor network; controlling the sensor nodes to collect the energy broadcast by the aggregation node; clustering, according to a predetermined clustering rule, the sensor nodes and selecting cluster heads; and controlling each of the sensor nodes of each cluster to transmit data to a corresponding cluster head and then to the aggregation node or one of the sensor nodes of a cluster closer to the aggregation node so as to eventually transmit the data to the aggregation node and closing the sensor node that completes data transmission. In addition, a control device is also disclosed. |
| US10785697B2 |
Systems and methods for establishing and managing communication in a mobile ad-hoc network
In conventional MANETs, the functions of network discovery, route generation, and packets forwarding are performed at each node of the network. As a result, achieving routing convergence between all of the devices can be very time and resource intensive as no single node has a complete topology of the network. In contrast, the disclosed MANET with SDN architecture performs network discovery and route generation at centralized location, and packets forwarding is done separately at the node level. This new architecture allows the disclosed MANET to quickly adjust network operating characteristics whenever there is a change in the network topology. Additionally, since all network discovery and routing determination are performed centrally at a single controller, the disclosed MANET can generate a complete topology of the network and as such can perform channel provisioning between all devices such that co-channel interference, transmission delay, inefficient bandwidth allocation, and excessive retransmission are substantially reduced. |
| US10785694B2 |
Method, network functions and a computer program product for supporting the handing over of a user equipment, UE, from a first type of radio access technology, RAT, to a second type of RAT
A method of initiating a handover of a User Equipment, UE, from a first type of Radio Access Technology, RAT, to a second type of RAT, wherein said UE is attached to a core network via an Access Node, AN, comprised by a Radio Access Network, RAN, utilizing said first type of RAT, wherein said method comprises the steps of transmitting, by said UE, to said AN, measurement data relating to qualities of links between said UE and access nodes in said RAN, receiving, by said UE, an indicator from said AN, wherein said indicator informs said UE that there is a risk of losing connectivity between said UE and said Radio Access Network, initiating, by said UE, triggered by said received indicator, a handover in order to access the CN via said second type of RAT. |
| US10785693B2 |
Connection management method and apparatus, and computer storage medium
A connection management method includes: detecting relevant information about a terminal device; and based on the relevant information about the terminal device, determining whether to adjust the type of a connection path between the terminal device and a first forwarding plane, wherein the type of the connection path between the terminal device and the first forwarding plane at least includes: a first-type path being a connection path directly established, through an access network, between the terminal device and the first forwarding plane, and a second-type path being a connection path established, through the access network via a second forwarding plane, between the terminal device and the first forwarding plane. |
| US10785691B2 |
Self configuring and optimization of cell neighbors in wireless telecommunications networks
A mobile terminal assists in the updating of a neighbor cell list associated with a first cell of a wireless telecommunications network. The list comprises elements that identify other cells that have a neighbor cell relationship with the first cell. The mobile terminal comprises a radio transceiver; and a controller coupled to the radio transceiver. |
| US10785689B2 |
Sleep-state for mobile terminal and service initiation for mobile terminals in sleep-state
The invention relates to the initiation of a service to a mobile terminal capable of communicating via at least a first and second access network. Further, the invention relates to a reduction of power consumption of mobile terminals supporting connectivity to at least two access networks. The invention also relates to mobile communication systems and in particular to mobile communications through heterogeneous access networks. In order to prove improved method for initiating services to mobile terminals and/or to reduce power consumption of mobile terminals, the invention introduces of a sleep state that can be entered by the terminal for an access system if same is not used. Upon requesting a service from/to the mobile terminal, the mobile terminal starts service initiation through a second access system and transits back to active state for the first access system for service provision. |
| US10785683B2 |
Native fragmentation in WiFi protected access 2 (WPA2) pass-through virtualization protocol
A service provider (SP) network device or system can enable a WiFi protected access 2 (WPA2) pass-through with a user equipment (UE) and define various partitions between a physical access point (pAP) and a virtual AP (vAP) based on virtual network function(s) (VNFs). The WPA2 pass-through can be an interface connection that passes through a computer premise equipment (CPE) or wireless residential gateway (GW) without modifying the data traffic and also enable different packet sizes, even if the vAP or data VNF at the SP network device is not configured to process the size, by fragmenting and defragmenting at least one of: a packet frame from the UE to the vAP, or from the vAP to the UE based on fragmentation criteria. |
| US10785682B2 |
Data unit processing method and communication device applying the data unit processing method
A data unit processing method performed by a first communication device, comprising: configuring a data unit by the first communication device, the data unit comprising: a specific format preamble following a first packet format; and a symbol part, comprising at least one symbol and following a Wi-Fi long range packet format. The specific format preamble can be decoded according to a first communication standard and the symbol can be decoded according to a Wi-Fi long range mode. The symbol part can be identified according to the specific format preamble. A method can decode the above-mentioned data unit and a communication device can perform the methods are also disclosed. |
| US10785679B2 |
Method and system for loss mitigation during device to device communication mode switching
A first user equipment can communicate with a second user equipment in a direct mode or in an infrastructure mode via a base station of a network. To communicate with the second user equipment, the first user equipment generates packets and forwards the packets to a lower protocol layer of a protocol stack. The first user equipment also acts as a buffer protocol entity by storing the packets until acknowledgement of receipt is received from the second user equipment. If the first user equipment switches from the direct mode to the infrastructure mode, or vice versa, the first user equipment forwards each of the stored packets to the lower protocol layer for transmission to the second user equipment using the current mode. |
| US10785676B2 |
Electronic device and traffic control method thereof
An electronic device is disclosed. The electronic device includes a memory configured to store processing rules of network traffic and a processor configured to determine an order where the network traffic is processed, depending on a rule to be applied, the rule corresponding to the at least one of app information of an application corresponding to at least one process which causes the network traffic, device state information, or network packet information among the processing rules. |
| US10785672B2 |
Dynamic wireless network topology for reduced spectrum flooding
In some configurations, the method of operating a system with dynamic wireless network topology with reduced spectrum flooding involve scanning with a first device in mesh network for beacon packets from other devices in the mesh network during a random back off period. In response to the first device not receiving a beacon packet from the other devices during the random back off period, the first device initiates an election protocol by sending an election protocol packet with its unique election protocol identifier to the other devices. In response to receiving a beacon packet from a second device, the first device stores the unique node identifier, assigns the second device as a leader node device, retransmits the unique node identifier of the second device and leader node information in a protocol packet. A command packet is communicated through the mesh network by way of at least one leader node device. |
| US10785670B2 |
Packet data converge protocol protocol data unit pre-processing
For pre-processing Packet Data Converge Protocol (PDCP) Protocol Data Units (PDU), a method receives a configuration of a reference uplink grant. In response to receiving the configuration of the reference uplink grant, the method calculates a preprocessing threshold of PDU for preprocessing by a Radio Link Control (RLC)/Medium Access Control (MAC) for each of one or more radio bearers. |
| US10785666B2 |
Wireless raw packet sensing and injection systems and methods for targeted communications
Monitoring and injection systems and methods for targeted communications over a wireless network include sensing traffic over the wireless network to identify clients thereon and observe activity on the wireless network; analyzing the traffic based on the sensing and an analysis engine to determine an injection of a targeted communication for a client; and injecting the targeted communication as a raw packet over the wireless network to the client. The method can also include sensing a request from the client; determining the injection responsive to the request; and constructing the raw packet in response to the request such that the raw packet is received prior to a response to the request. |
| US10785664B2 |
Parameter selection for network communication links using reinforcement learning
The disclosure provides a method of operating a communication network. The method includes receiving input data related to a state of the communication network and determining an implementation policy for the communication network based on the input data. The implementation policy is a set of features for forming one or more communication links in the communication network over a time interval. The one or more communication links includes at least one communication link between a terrestrial terminal and a high-altitude platform terminal. Determining the implementation policy is based at least in part on utility values of previous policies. The utility values of previous policies are derived using simulation and/or real-world implementation of the previous policies. The communication network is then operated to implement the implementation policy in the time interval. |
| US10785663B2 |
Collaborative communications
In a first device incorporating a processor and a memory in communication with the processor, the memory includes executable instructions that, when executed, cause the processor to control the first device to perform functions of receiving a bit error pattern of data traffic transmission from the first device to a second device, the bit error pattern including a number and locations of bit errors which occurred during the data traffic transmission; and adapting at least one transmission parameter of the first device based on the received bit error pattern. The error pattern allows more refined data traffic decisions. |
| US10785660B2 |
Wireless repeater with arbitrary programmable selectivity
The invention relates to wireless repeater systems and methods. In embodiments, such systems and methods involve receiving a wireless transmission signal; and processing the wireless transmission signal using a digital signal processing facility (DSP); wherein the DSP is adapted to filter at least one sub-band of the wireless transmission signal using a digital bandpass filter. |
| US10785648B2 |
User authentication in wireless access network
This document discloses a solution for enabling biometric authentication of a station. According to an aspect, the solution comprises transmitting, from the station, a trigger to include biometric data of a user of the station in authentication; a logic at a network node to handle the trigger and cause execution of an authentication procedure that employs the biometric data when performing said authentication procedure in a wireless access network; and indicating a result of the authentication to the station. |
| US10785643B2 |
Deep learning neural network based security system and control method therefor
The present invention relates to a deep learning neural network based security system and a control method therefor and, more particularly, to a deep learning neural network based security system comprising: at least one WiFi node; and a deep learning module for detecting an object from a WiFi signal received from the WiFi node, wherein the deep learning module identifies information on the object when the object is detected. |
| US10785640B2 |
Systems and methods to control and manage fully-reconfigurable hardware in a network of moving things
Communication network architectures, systems and methods for supporting a network of mobile nodes. As a non-limiting example, various aspects of this disclosure provide communication network architectures, systems, and methods for supporting a dynamically configurable communication network comprising a complex array of both static and moving communication nodes (e.g., the Internet of moving things). |
| US10785631B2 |
Neighbour wireless sensor network discovery mechanism
The present invention discloses a method and a system for discovering a neighbouring network by an already operational network. The networks comprise a control channel (CCH) and a data channel (DCH), both comprising a beacon to be transmitted, respectively. The channels are predetermined and beacon formats of theft control channels (CCH) are known, and an inter-beacon-interval of the data channel (DCH) of the already operational network comprises an active period followed by an inactive period. The present invention is characterized in that the temporal lengths of the inactive periods are changed in the data channel (DCH) of the already operational network. Furthermore, the method is configured to search for a beacon of a predetermined control channel (CCH) of a neighbouring network during subsequent inactive periods of the already operational network. |
| US10785628B2 |
Distress transmission
The present invention includes a device for the transmission of a communication transmission with a communication menu facilitating communication between a user and an operator with bespoke information. |
| US10785627B2 |
Quick enabling method and apparatus for service in application program and electronic device
Embodiments of this specification provide a method and apparatus for quick enabling a service in an application program and an electronic device. When a user terminal receives tag content transmitted by a near field communication (NFC) tag, an operating system of the user terminal may enable an application program that has registered NFC. Then, the enabled application program uploads the tag content to a server. According to a service routed by the server after the server decodes the tag content, the application program executes the routed service. |
| US10785625B2 |
Internet of Things (IOT) companion device
A companion device is provided for a primary device. The companion device have wireless connectivity that send and receive data via a communication channel established over its wireless connectivity. The companion device includes a microcontroller, a wireless communication interface, a cellular communication interface, and logic configured to connect with the primary device via the wireless communication interface and with a cellular network via the cellular communication interface to augment bandwidth of the communication channel for the primary device. |
| US10785622B1 |
Policy node identifier for application services in a packet core network
Node identifiers can be assigned to packet core policy nodes and directly routed to a diameter routing agent (DRA) and application functions (AFs) within a call processing message that is employed to establish an application service. Such a policy node identity will be received by Application Functions, UEs and/or intermediate message routers during the initial establishment of a packet data session so that they can refer to the policy node entity directly in the sub-sequent call processing flows related the established session, instead of querying a relational database which can be complex to maintain with multi-million correlation records. As an example, the policy node identifiers can be configurable and can comprise a hostname of the policy nodes, address data associated with the policy nodes, or a defined numerical value that maps to the hostname of the policy nodes. |
| US10785619B1 |
Tow and emergency roadside assistance locating and tracking mobile application
A system for providing dynamic roadside assistance coordination may include a customer mobile device or vehicle in direct, or indirect, wireless communication with an insurance provider and/or service provider remote server. The customer's device may transmit a request for roadside assistance (e.g., towing services), and a current UPS location. In response, a closest, trusted service provider vehicle may be determined, and then directed to the customer's location. For instance, a software application may receive the customer location and compare it with availability information to match the customer with a close and trusted service provider. The customer's device may receive an acknowledgement that help is on the way, and be able to track the current location of the service provider vehicle while en route. Payment for the roadside assistance may be automatically and electronically paid by the insurance provider. As a result, prompt and safe roadside assistance may be provided. |
| US10785616B2 |
System and method for managing inventory via RFID tags
In some embodiments, apparatuses and methods are provided herein useful to monitoring RFID tags in a retail facility. In some embodiments, a system comprises an RFID tag, a first RFID reader monitoring a first zone and configured to determine, based on a signal received from the RFID tag, that the RFID tag is moving toward the second zone, transmit, to a second RFID reader monitoring the second zone, a notification indicating that the RFID tag is moving toward the second zone, and in response to receipt of a confirmation message from the second RFID reader, instruct the RFID tag to remain in its current state, and cease communication with the RFID tag, the second RFID reader configured to receive, from the first RFID reader, the notification, transmit, to the first RFID reader, the confirmation message, and transmit, to the RFID tag, a signal. |
| US10785612B2 |
Telephone base station for combining mobile and terrestrial telephone service
According to one embodiment, a system includes a base station wirelessly connected to a first handset and a second handset, the base station including a first communication port configured to create a wireless connection to a first mobile telephone and a second mobile telephone via Bluetooth, where the first mobile telephone uses a first mobile telephone network and the second mobile telephone uses a second mobile telephone network. |
| US10785609B2 |
Method and talkgroup server for extending the battery life in a subscriber unit
A method and talkgroup server for extending a battery life in a subscriber unit is provided. A time sync at a triple TSBK boundary is maintained, the triple TSBK boundary being associated with a talkgroup. The triple TSBK window is calculated based on the time sync and configuration data. A talkgroup call request is granted for the talkgroup using a talkgroup call grant. A first transmission of the talkgroup call grant is targeted in the triple TSBK window associated with the talkgroup. |
| US10785605B1 |
Method of providing location information of acquaintance
Provided is a method including a location-sharing acquaintance registration process, a location-sharing acquaintance location information receiving process in which the acquaintance location sharing application receives location information of location-sharing acquaintances present within a preset proximity radius from a current location of the user from the location information providing server, a location-sharing acquaintance distance display process in which the acquaintance location sharing application displays only the number and separation distances of location-sharing acquaintances present within the proximity radius of the user without identification information of the location-sharing acquaintances as long as the location-sharing acquaintances are present within the proximity radius, and a paid location-sharing acquaintance identification information providing process in which the acquaintance location sharing application provides the identification information of the location-sharing acquaintances present within the proximity radius of the user in return for a payment. |
| US10785604B1 |
Multi-computer processing system for dynamically executing response actions based on movement data
Methods, computer-readable media, systems, and/or apparatuses for evaluating movement data to identify a user as a driver or non-driver passenger are provided. In some examples, movement data may be received from a mobile device of a user. The movement data may include sensor data including location data, such as global positioning system (GPS) data, accelerometer and/or gyroscope data, and the like. Additional data may be retrieved from one or more other sources. For instance, additional data such as usage of applications on the mobile device, public transportation schedules and routes, image data, vehicle operation data, and the like, may be received and analyzed with the movement data to determine whether the user of the mobile device was a driver or non-driver passenger of the vehicle. Based on the determination, the data may be deleted in some examples or may be further processed to generate one or more outputs. |
| US10785601B2 |
System and method for transmitting dynamic content to mobile devices
A method of transmitting dynamic content to a mobile device includes: storing content in a memory of a kiosk deployed in a facility; receiving, via an input device of the kiosk, a command to present the a portion of the content; responsive to receiving the command: controlling an output device of the kiosk to present the portion of the content; and transmitting, to a routing server via a network, a preconfigured identifier of the kiosk and an identifier of the portion of the content, for subsequent retrieval by a mobile computing device. |
| US10785597B2 |
System to track engagement of media items
An engagement tracking system monitors user interactions with media items to calculate an engagement score of the media item. The engagement tracking system may be or include a group of one or more server machines configured to detect an exposure of a client device to a media item maintained by the engagement tracking system. In response to detecting the exposure of the client device to the media item, the engagement tracking system tracks a location of the client device based on access requests to location based media items. The engagement tracking system may thereby monitor client devices exposed to the media item in order to calculate an engagement score of the media item. |
| US10785594B2 |
Network based resource management and allocation
An electronic system provides various features and functionality for managing resources. An alert may be sent when a mobile device crosses a geo-fence. The alert may describe how much of the resource is available for the types of transaction that are likely to occur within the geo-fence. The alert may request or confirm the allocation of the transaction to a resource pool or suggest alternative transactions. |
| US10785592B1 |
System and method for detecting and controlling transmission devices
A method of detecting, controlling and managing transmission of a transmitting device within a facility is disclosed. The method involves transmitting information to the transmission device, detecting a response transmission from the transmission device by a least one transmission detection facility, extracting identification information associated with the transmission device in response to the transmitted information; and determining a location of the transmission device based on the response transmission received by the at least one received transmission detection facility, wherein the response transmissions are sorted by the identification information, determining an allowability of the located transmission device with the set area and interacting and manipulating transmission of the detected transmitting device. |
| US10785591B2 |
Media content playback based on an identified geolocation of a target venue
Media content playback is based on an identified geographic location of a sound source. A geolocation of a target venue is determined. A first geolocation of a media playback device is determined. An indication that the media playback device is within a threshold distance of the target venue is received. Media content associated with the target venue is transferred to the media playback device, wherein one or more characteristics of the media content are dynamically modified to simulate audio originating from the target device. The one or more characteristics of the media content can include audio content characteristics associated with a timing filter, a loudness filter, and a timbre filter. |
| US10785590B2 |
Binaural audio calibration
A computer-implemented method for calibrating audio of a virtual reality device, the method comprising: determining a difference between a perceived tone location and an actual audible tone location, in response to an emitting of the actual audible tone; wherein the tone comprises a spectral tone, and creating and calibrating a user ear model by: emitting the spectral tone at a random time during a simulation by the virtual reality device; determining the perceived tone location during the simulation; and computing an error adjustment for one or more geometric variables of a default ear model based on a result of the determining. |
| US10785589B2 |
Two stage audio focus for spatial audio processing
Apparatus comprising one or more processors configured to: receive at least two microphone audio signals (101) for audio signal processing wherein the audio signal processing comprises at least a spatial audio signal processing (303) and beamforming processing (305); determine spatial information (304) based on the audio signal processing associated with the at least two microphone audio signals; determine focus information (308) for the beamforming processing associated with the at least two microphone audio signals; and apply a spatial filter (307) in order to synthesize at least one spatially processed audio signal (312) based on the at least one beamformed audio signal from the at least two microphone audio signals (101), the spatial information (304) and the focus information (308) in such a way that the spatial filter (307), the at least one beamformed audio signal (306), the spatial information (304) and the focus information (308) are configured to be used to spatially synthesize (307) the at least one spatially processed audio signal (312). |
| US10785588B2 |
Method and apparatus for acoustic scene playback
A method for acoustic scene playback is described, which comprises: providing recording data comprising microphone signals of microphone setups positioned within an acoustic scene and microphone metadata of the microphone setups, each of the microphone setups has a recording spot which is a center position of the respective microphone setup; specifying a virtual listening position within the acoustic scene; assigning each microphone setup Virtual Loudspeaker Objects, VLOs, wherein each VLO is an abstract sound output object within a virtual free field; generating an encoded data stream based on the recording data, the virtual listening position and VLO parameters of the VLOs assigned to the microphone setups; and decoding the encoded data stream based on a playback setup, thereby generating a decoded data stream; and feeding the decoded data stream to a rendering device, thereby driving the rendering device to reproduce sound of the acoustic scene at the virtual listening position. |
| US10785585B2 |
Method of manufacturing a hearing device and hearing device with certificate
A hearing device includes: a processing unit configured to compensate for hearing loss of a user of the hearing device; a memory unit; and an interface; wherein the memory unit has a hearing device certificate stored therein, the hearing device certificate comprising: a hearing device identifier, a plurality of hearing device keys, at least one hearing device key identifier indicative of one of the hearing device keys. |
| US10785581B2 |
Recursive noise power estimation with noise model adaptation
A method of signal processing to generate hearing implant stimulation signals for a hearing implant system includes transforming an input sound signal into band pass signals each representing an associated frequency band of audio frequencies. The band pass signals are processed in a sequence of sampling time frames and iterative steps to produce a noise power estimate. This includes using a noise prediction model to determine if a currently observed signal sample includes a target signal, and if so, then updating a current noise power estimate without using the currently observed signal sample, and otherwise updating the current noise power estimate using the currently observed signal sample. The noise prediction model also is adapted based on the updated noise power estimate. The hearing implant stimulation signals are then developed from the band pass signals and the noise power estimate. |
| US10785579B2 |
Hearing assistance device with an accelerometer
A hearing assistance device is discussed that has one or more accelerometers, a user interface, and optionally a left/right determination module is configured to receive input data from the one or more accelerometers from user actions causing control signals as sensed by the accelerometers to trigger a program change for an audio configuration for the device selected from a group consisting of a change in amplification/volume control, a change in a mute mode, a change of a hearing loss profile loaded into that hearing assistance device, and a change in a play-pause mode. |
| US10785578B2 |
Hearing device with service mode and related method
The present disclosure relates to a hearing device and in particular to hearing device and related method for configuration or operation of a hearing device. Disclosed is a hearing device comprising a processing unit configured to compensate for hearing loss of a user of the hearing device, a memory, and an interface. The processing unit/hearing device may be configured to receive a mode request via the interface; authenticate the mode request; and place the hearing device into the requested mode if authentication of the mode request succeeds. |
| US10785577B2 |
MEMS microphone and method of manufacturing the same
A MEMS microphone includes a substrate having a cavity, a back plate disposed over the substrate, a diaphragm disposed between the substrate and the back plate, a first supporting member surrounding the diaphragm, the first supporting member including first dam portions arranged along a circumference of the diaphragm, and first slit portions between the first dam portion adjacent to each other to be configured to support the diaphragm from a lower face of the substrate, and a second supporting member surrounding the first supporting member, the second supporting member including second dam portions arranged along a circumference of the first dam portions, and second slit portions between the second dam portion adjacent to each other to be configured to further support the diaphragm from the lower face of the substrate. Thus, the MEMS microphone has an increased acoustic resistance. |
| US10785576B1 |
MEMS package, MEMS microphone, method of manufacturing the MEMS package and method of manufacturing the MEMS microphone
A MEMS package has a MEMS chip, a package substrate, a dammed-seal part. The MEMS chip has an element substrate which a movable element is formed, the package substrate has a sound hole. The dammed-seal part has an annular dam-member which is formed on the element substrate so as to surround the movable element, and a gel member. The MEMS chip is mounted on the package substrate so that the movable element opposes to the sound hole. The gel member is formed by hardening of gel which is applied on the annular dam-member from outside so as to surround the annular dam-member. |
| US10785575B2 |
Electrostatic transducer
An electrostatic transducer (100) comprises an electrically conductive backplane member (102) having an array of through apertures (112); a spacer member (104) disposed over the backplane member (102), the spacer member (104) having an array of holes (114) therethrough, the holes (114) each having a maximum lateral dimension less than twice a minimum lateral dimension; and a flexible electrically conductive membrane (106) disposed over the spacer member (104). The transducer (100) is arranged in use to apply an electrical potential which gives rise to an attractive electrostatic force between the backplane member (102) and the membrane (106) thereby moving portions of the membrane (106) spanning said holes in the spacer member (104) towards said backplane member (102). |
| US10785572B2 |
Speaker and terminal component thereof
A terminal component is applied to a speaker, and includes two terminals, a sleeve seat, and two fixing heads. Each terminal includes a terminal head and a terminal body. The sleeve seat includes two terminal blocks. The two terminal blocks respectively accommodate the two terminal bodies, so that the two terminal heads are exposed outside the sleeve seat. The two fixing heads are respectively combined with the two terminal heads, to respectively fasten two wires to the two terminals. |
| US10785571B2 |
Speaker capable of active cooling
A speaker capable of active cooling includes a basin frame, and a vibration system and a magnetic circuit system accommodated in the basin frame. The vibration system includes a diaphragm and a voice coil fixed on the diaphragm through a top end of a winding portion thereof. The magnetic circuit system includes a T-iron, a magnet and a washer, wherein the washer and the magnet are located above the T-iron, a magnetic gap is formed between the washer and the magnet and the T-iron, and the voice coil moves up and down in the magnetic gap. The speaker further comprises an active cooling module fixed to a back of the T-iron, and the active cooling module cools the magnetic circuit system by means of heat conduction. |
| US10785568B2 |
Reducing audio artifacts in a system for enhancing dynamic range of audio signal path
In accordance with embodiments of the present disclosure, an apparatus for providing an output signal to an audio transducer may include a control circuit. The control circuit may be configured to predict, based on a magnitude of a signal indicative of the output signal, an occurrence of an event for changing a selectable digital gain and a selectable analog gain and an audio signal path, and responsive to predicting the occurrence of the event, change, at an approximate time in which a zero crossing of the signal indicative of the output signal occurs, the selectable digital gain and the selectable analog gain. |
| US10785566B2 |
Method and device for processing an audio signal in a vehicle
A method and a device for processing an audio signal in a vehicle are provided. The method includes: obtaining an audio signal by a microphone array; performing echo cancellation on the obtained audio signal, to obtain a first processed signal; and performing beamforming on the first processed signal according to sound zones in which microphones of the microphone array are located, to obtain a second processed signal, wherein the vehicle includes at least two sound zones, and each microphone of the microphone array is located in at least one sound zone. With the beamforming, the requirements for isolation degree between different sound zones is not high, and the sound source of the audio signal can be accurately determined. |
| US10785557B2 |
MEMS microphone and method of manufacturing the same
A MEMS microphone includes a substrate having a cavity, a back plate disposed over the substrate to cover the cavity and having a plurality of acoustic holes, a diaphragm disposed over the substrate to cover the cavity, the diaphragm being disposed under the back plate, including a venting hole communicating with the cavity, and sensing an acoustic pressure to create a displacement, and a first insulation layer interposed between the substrate and the diaphragm to support an end portion of the diaphragm to separate the diaphragm from the substrate, and the first insulation layer having an opening formed at a position corresponding to the cavity to expose the diaphragm. Thus, since the process of forming an anchor may be omitted, the process may be simplified, and process time may be shortened. |
| US10785555B2 |
Earpiece positioning and retaining
A positioning and retaining structure for an in-ear earpiece. An outer leg and an inner leg are attached to each other at an attachment end and attached to a body of the earpiece at the other end. The outer leg lies in a plane. The positioning and retaining structure have a stiffness that is greater when force is applied to the attachment end in a counterclockwise direction in the plane of the outer leg than when force is applied to the attachment end in a clockwise direction in the plane of the outer leg. The positioning and retaining structure position an earpiece associated with the earpiece in a user's ear and retains the earpiece in its position. |
| US10785552B2 |
Intra-aural audio device having multiple layers
An intra-aural audio device includes an outer layer shaped to define separate ear canal, concha bowl, and concha cymba portions. An inner layer is disposed within the outer layer, the inner layer having a durometer different than that of the outer layer. |
| US10785545B2 |
Systems and methods for simultaneous compression and encryption
Embodiments of reversible systems and methods for fast, secure and efficient transmission, storage, and protection of digital multimedia are disclosed. The embodiments may have the ability to simultaneously compress and encrypt digital data in order to concurrently reduce data size and prevent reconstruction without the proper encryption key. Embodiments of a method may include pre-processing data to optimize the size of data segments to be compressed, transforming the data for improving the compressibility of the before-mentioned data segments, processing the data sequentially to generate predictive statistical models, encoding the data for simultaneously encrypting and compressing data segments using a keystream, and increasing both the compression ratio and security of these encoding processes using a block cipher. Embodiments of these methods may be suitable for use on both encrypted and unencrypted media. |
| US10785542B2 |
Systems and methods for loading interactive media guide data based on user history
Systems and methods for efficiently loading interactive media guide data based on user history are provided. A plurality of asset descriptions associated with a first media asset is received. A second media asset related to the first media asset is identified. An asset description is selected form the plurality of asset descriptions based on user history of accessing the second media asset. Data for the first media asset is loaded. Data for the first media asset comprises the selected asset description. |
| US10785539B2 |
System and method for saving and recalling state data for media and home appliances
A set of media playback and device settings data from each home appliance of a first set of home appliances is stored on a central server and/or sent to a remote control device upon initiation of a suspend command by a user. The stored media and devices states may be used at a later time to control the first set of home appliances, or a user may, after relocating to a second set of home appliances, initiate a resume state command whereupon media playback and device settings data from the central server and/or remote control device controls each home appliance in the second set of home appliances to bring about the same or substantially similar media and device states as in the first set of home appliances. |
| US10785538B2 |
Prioritized content selection and delivery
Methods, systems, and apparatuses are described for a recommendation ranking system that uses viewing and/or browsing data of content items available from a communication system received from users of the system. The viewing and browsing data may be obtained from the users through different availability periods having varying price points for viewing the content items. Weighted values may be applied to the viewing and browsing data based on the price point or availability period of the content items associated with the collected data. A popularity index for the content items of the communication system may be determined based on the adjusted viewing and browsing data and a ranking of recommendations for content items may be generated based at least on the popularity index of the content items. |
| US10785534B2 |
Methods and apparatus to measure audience composition and recruit audience measurement panelists
Methods and apparatus to measure audience composition and recruit audience measurement panelists are disclosed. An example apparatus disclosed herein includes a database to store audience measurement data associated with an audience member; a processor; and memory including machine readable instructions that, when executed, cause the processor to: assign a flag to the audience measurement data when panel enrollment information for the audience member is not in the database; and, when the panel enrollment information is obtained within a threshold period of time after the flag is assigned, associate the audience measurement data with the audience member. |
| US10785531B2 |
Video synopsis method and related video synopsis device
A video synopsis method for overlapping videos generated in different periods is applied to a video synopsis device. The video synopsis method includes dividing a monitoring film into a plurality of videos, acquiring a pixel difference between frames respectively from the plurality of videos at identical time sequence, acquiring a weighting parameter according to the pixel difference, and utilizing the weighting parameter to overlap the frames respectively from the plurality of videos so as to generate a composite frame. |
| US10785502B2 |
Method and apparatus for encoding and decoding a light field based image, and corresponding computer program product
The present disclosure generally relates to a method for predicting at least one block of pixels of a view (170) belonging to a matrix of views (17) obtained from light-field data belong with a scene. According to present disclosure, the method is implemented by a processor and comprises for at least one pixel to predict of said block of pixels: —from said matrix of views (17), obtaining (51) at least one epipolar plane image (EPI) belong with said pixel to predict, —among a set of unidirectional prediction modes, determining (52) at least one optimal unidirectional prediction mode from a set of previous reconstructed pixels neighboring said pixel to predict in said at least one epipolar plane image, —extrapolating (53) a prediction value of said pixel to predict by using said at least one optimal unidirectional prediction mode. |
| US10785501B2 |
System and method of performing motion estimation in multiple reference frame
Methods for performing motion estimation in multiple reference frames scenario are disclosed. The method includes considering a motion vector of a plurality of neighbouring macro blocks present in a current frame and a co-located frame to find a best prediction point motion vector set, scaling at least one motion vector in a plurality of prediction frames and a plurality of bidirectional frames to find a predictive motion vector set by calculating a temporal distance between a nth reference frame and a reference frame referred by an input motion vector and finding at least one best prediction point motion vector of the nth reference frame from a set of motion vectors by utilizing a cost based motion search. The cost based motion search comprising finding a prediction motion vector, finding a cost factor, performing a cost based motion search of at least one partition level to find the best motion vector from the set of motion vectors. |
| US10785499B2 |
Method and apparatus for processing video signal on basis of combination of pixel recursive coding and transform coding
The present invention provides a method for encoding a video signal by using an enhanced prediction signal, the method comprising the steps of: generating a prediction signal for a current block, wherein the prediction signal is generated by applying a prediction weight to a reconstructed pixel of the current block and a pixel of a motion-compensated previously decoded block; obtaining an optimal quantized transform coefficient for the current block through rate-distortion optimization, on the basis of the prediction signal; and performing entropy encoding of the optimal quantized transform coefficient. |
| US10785498B2 |
System and method of mapping multiple reference frame motion estimation on multi-core DSP architecture
System and method of mapping multiple reference frame motion estimation on a multi core digital signal processor is disclosed. The method includes considering at least one motion vector of a plurality of neighbouring macro blocks present in a current frame and a co-located frame to find a best prediction point motion vector set, collecting a best data block among a plurality of data blocks from a plurality of reference frames according to a plurality of sets of motion vectors at a first pipeline stage, transmitting a data searched related to the plurality of sets of motion vectors from the second level of memory to a first level of memory of a second digital signal processor at a second pipeline stage and finding a best motion vector by utilizing a cost based search on the second digital signal processor is performed at third pipeline stage. |
| US10785496B2 |
Video encoding and decoding apparatus, system and method
A video coding apparatus for encoding a compressive sensing signal has a processor. The processor obtains a compressive sensing sampling matrix; and captures the compressive sensing signal representing image data based on the compressive sensing sampling matrix, wherein the compressive sensing sampling matrix is non-uniform varied. |
| US10785495B1 |
Encoding timecode in video using colored regions of pixels
Timecode is encoded in video using colored regions of pixels. Pixels in adjacent regions in frames of a video are color-coded to encode timecode. For example, two adjacent regions might both be colored red to encode the numeral ‘0.’ As another example, two adjacent regions might be colored red and purple, respectively, to encode the numeral ‘1.’ The regions can be the same size as a macroblock (e.g. 16×16 pixels) used by a video encoder and aligned to macroblock boundaries for efficient encoding. The colors of the adjacent regions can be decoded to obtain the timecode. The timecode might then be burned into frames of the video, displayed non-destructively over the video, or used in another manner. |
| US10785494B2 |
Low-complexity design for FRUC
A method of decoding video data includes constructing, by a video decoder implemented in processing circuitry, a candidate list of motion vector information for a portion of a current frame. The method includes receiving, by the video decoder, signaling information indicating starting motion vector information of the candidate list of motion vector information, the starting motion vector information indicating an initial position in a reference frame. The method includes refining, by the video decoder, based on one or more of bilateral matching or template matching, the starting motion vector information to determine refined motion vector information indicating a refined position in the reference frame that is within a search range from the initial position. The method includes generating, by the video decoder, a predictive block based on the refined motion vector information and decoding, by the video decoder, the current frame based on the predictive block. |
| US10785492B2 |
On reference layer and scaled reference layer offset parameters for inter-layer prediction in scalable video coding
A process for determining the selection of filters and input samples is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system to improve quality in Scalable High Efficiency Video Coding (SHVC). In order to provide better alignment between layers, it is proposed that reference layer offset adjustment parameters be signaled. |
| US10785491B2 |
Method of visualizing image based on hierarchical presentation of image tile information, device and system using the method
A method of visualizing an image, a device and a system using the same. The method of visualizing, by a device operatively connected with an image provision server, an image configured in a hierarchical structure including a plurality of levels includes receiving tile visualization information in an encoded form from the image provision server, the tile visualization information including a tile visualization type determined according to whether at least one tile belonging to each of the levels of the image includes data; decoding the encoded tile visualization information and obtaining the tile visualization information; making a request to the image providing server for data for a target level and tile, which are to be visualized according to the tile visualization information; and displaying an image, which is to be visualized, received from the image provision server. |
| US10785478B2 |
Intra prediction method and apparatus for video coding
A picture encoding method that includes selecting a Vth basis function for a current block according to a specific order from among basis functions; deriving a Vth expansion coefficient on the basis of the selected Vth basis function; calculating a Vth weighted error criterion on the basis of the selected Vth basis function and the derived Vth expansion coefficient; and encoding and outputting information indicating the Vth number as a basis number when the value of the Vth weighted error criterion is less than a specific critical value. |
| US10785476B2 |
Method and device for encoding or decoding image by using blocks determined by means of adaptive order
Provided is a method of decoding a video according to an embodiment, the method including determining at least one processing block for splitting the video; determining an order of determining at least one largest coding unit in the at least one processing block; determining at least one largest coding unit on the basis of the determined order; and decoding the determined at least one largest coding unit, wherein the order is one of a plurality of orders for determining a largest coding unit. |
| US10785472B2 |
Display apparatus and method for controlling display apparatus
An HMD includes a six-axis sensor, a magnetic sensor, and a head motion detecting section that detect at least one of the position and motion of a head, a reference setting section that sets a reference state based on at least one of the head position and motion detected by the head motion detecting section, and a display controlling section that changes the display state of a content displayed by the display section based on changes in the position and motion of the head with respect to those in the reference state. The content is formed of a plurality of contents, and the display controlling section changes the display state of the contents displayed by an image display section in such a way that the relative display positions of the contents are maintained. |
| US10785471B1 |
Upsampling content for head-mounted displays
A system for content upsampling comprises a console and a head-mounted display (HMD). The console can select content for presentation and provide the content at a first frame rate. The HMD outputs fast calibration data comprising one or more intermediate estimated positions of a reference point on the HMD. The HMD estimates future positions of the HMD using the fast calibration data, and generates synthetic frames using frames from the content and the future positions of the HMD. The HMD then upsamples the content from the first frame rate to a second frame using the synthetic frames to generate augmented content, wherein the second frame rate is faster than the first frame rate. The HMD presents the augmented content at the second frame rate via an electronic display. |
| US10785470B2 |
Image processing apparatus, image processing method, and image processing system
An image processing apparatus is provided that inputs a first image and a second image and generates an output image by arranging the second image onto a 3D model having the first image arranged thereon. |
| US10785464B2 |
Generating three-dimensional imagery
A method includes capturing, by a camera, two-dimensional imagery. The method also includes determining, by a positioning sensor, a viewing perspective of a viewer of the two-dimensional imagery. The method also includes generating at least a first imagery based at least on the captured two-dimensional imagery and the determined viewing perspective. The method also includes displaying a three-dimensional representation of the two-dimensional imagery to the viewer. The displaying the three-dimensional representation includes displaying dual imagery, and the dual imagery includes the first imagery. |
| US10785461B2 |
YCbCr pulsed illumination scheme in a light deficient environment
Methods, systems, and computer program products for digital imaging in an ambient light deficient environment are described. The methods, systems, and computer program products described include an imaging sensor with an array of pixels for sensing electromagnetic radiation, an emitter that is configured to emit a pulse of electromagnetic radiation, and a control unit that includes a processor. The control unit is in electrical communication with the imaging sensor and the emitter. The control unit is configured to synchronize the emitter and the imaging sensor so as to produce a plurality of image reference frames. The plurality of image reference frames include a luminance frame with luminance image data and a chrominance frame with chrominance data, where the plurality of image reference frames are combined to form a color image. |
| US10785460B2 |
Projection display apparatus and method of controlling projection display apparatus
A projection display apparatus according to an embodiment of the disclosure includes: a projection unit including a light source section, a wavelength converter including a discoid member and a motor section, the discoid member including a wavelength conversion layer that converts outgoing light from the light source section to light having a wavelength range different from that of the outgoing light, and the motor section rotating the discoid member, and a spatial modulation element that generates image light by modulating light from the light source section and the wavelength converter on the basis of an inputted image signal; and a control unit that controls intensity of the outgoing light emitted from the light source section and a number of rotation of the discoid member in a state where the image light is generated by the spatial modulation element. |
| US10785456B1 |
Methods for viewing and tracking stored items
A method for operating a refrigerator appliance, as provided herein, may include initiating an image capture sequence at a camera module. The image capture sequence may include a first two-dimensional image captured at the camera module and a second two-dimensional image captured at the camera module subsequent to the first two-dimensional image. The method may further include assigning an image score to the first two-dimensional image according to a predetermined grading scale, and assigning an image score to the second two-dimensional image according to the predetermined grading scale. The method may still further include comparing the image scores of the first and second two-dimensional images, and presenting one of the first and second two-dimensional images on a digital display based on comparing the image scores. |
| US10785455B2 |
Plant operating state analysis system
A plant operating state analysis system includes a data collector which is connected to both a control network and a monitoring network and which collects both control network data and monitoring screen video data. The data collector includes a synchronization processing unit and a data display processing unit. The synchronization processing unit synchronizes the control network data and the monitoring screen video data by adding a delay time due to transmission through the monitoring network, which includes an encoding time spent by a video capturer, to the time at which the control network data has been collected. The data display processing unit reproduces and displays, on a screen, the control network data and monitoring screen video data that are synchronized by the synchronization processing unit. |
| US10785450B1 |
System and method for intelligent conference session recording
A computer-implemented method for intelligent conference recording is disclosed. The computer-implemented method for intelligent conference recording may analyze content and context information related to a conference session, determine if at least one recording threshold criteria is met, and based on the determined recording threshold criteria, start a recording of the conference session. The computer-implemented method for intelligent conference recording can share the conference session recording based on a voting result. |
| US10785449B2 |
Communicating using media content
Disclosed are methods and apparatuses for communicating using a media. In an aspect, an apparatus displays a media, receives a selection of a person displayed in the media, identifies the selected person, displays communication methods that may be used to communicate with the identified person, receives a selection of one of the communication methods, and engages in a communication with the identified person using the selected communication method. |
| US10785448B2 |
Robust handling of sudden changes of bandwidth in selective forwarding unit conferences
Techniques for handling sudden changes in available bandwidth in videoconferences implemented with media servers employing SFUs. The techniques involve detecting a sudden drop in available egress network bandwidth from a media server to a video receiver, sending a request to a video sender currently sending a video stream to the media server for forwarding to the video receiver to reduce its transmission bitrate, determining whether to reset the forwarding of the video stream to the video receiver, and, having determined to reset the forwarding of the video stream to the video receiver, stopping the forwarding of the video stream to the video receiver, sending a request for an I-frame to the video sender for use in restarting the forwarding of the video stream to the video receiver, and, having received the requested I-frame, restarting the forwarding of the video stream from the video sender to the video receiver. |
| US10785447B2 |
Information processing apparatus, information processing method, and program
[Object] To provide an information processing apparatus, an information processing method, and a program capable of producing the distance to a communication partner by using a three-dimensional expression to connect spaces, and realizing more comfortable communication.[Solution] An information processing apparatus including: a reception unit configured to receive data from a communication destination; a generation unit configured to generate space image information in which an image corresponding to a space of the communication destination is disposed at a predetermined position in a three-dimensional space; and a display control unit configured to perform control such that the generated space image information is displayed on a display unit in a communication source. |
| US10785443B2 |
Augmented reality video stream synchronization across a network
A platform for synchronizing augmented reality (AR) views and information between two or more network connected devices is disclosed. A first device captures a video stream and associated spatial information, and transmits the video stream and spatial information to a second device. A user of the second device views the video stream, and inserts one or more AR objects into the video stream, with reference to the spatial information. The second device transmits the AR objects and spatial information references to the first device, which then renders the one or more AR objects into the video stream, using the spatial information references to locate the AR objects in each video stream frame. |
| US10785442B2 |
Video transmission apparatus, video transmission method, and program
A video transmission apparatus (10) includes: a specified-position information acquisition unit (110) that acquires specified-position information indicating a specified position in an area to be surveilled including each imaging region corresponding to each of a plurality of imaging apparatuses; and a video transmission control unit (120) that selects at least one imaging apparatus from among the plurality of imaging apparatuses using imaging position information indicating a position or an imaging range of each of the plurality of imaging apparatuses and the specified-position information and transmits a video captured by the selected imaging apparatus to a video sharing apparatus that is to share the video. |
| US10785437B2 |
Area and power efficient multi-voltage row driver circuitry for image sensors
Image sensor pixels may receive row control signals for row driver circuitry. The row driver circuitry may include a plurality of row driver circuits each of which is capable of outputting row control signals at more than two power supply voltage levels. A row driver circuit may include only two level shifting circuits. A first level shifting circuit may control a first pull-up path operable to drive the row driver output to a first power supply voltage level and may also control a second pull-up path operable to drive the row driver output to a second power supply voltage level. A second level shifting circuit may control a first pull-down path operable to drive the row driver output to a third power supply voltage level and may also control a second pull-down path operable to drive the row driver output to a fourth power supply voltage level. |
| US10785433B2 |
Imaging sensor, imaging system, and moving body having signals amplified in two different accumulation periods
An imaging sensor is configured to generate a signal that is obtained by amplifying one of a signal corresponding to a first accumulation period and a signal corresponding to a second accumulation period by using amplification factors having different values. |
| US10785429B2 |
Image sensor having improved efficiency by reducing noise and time taken for capturing image
An image sensor includes a pixel including a reset circuit and a floating diffusion node, and outputting a pixel signal that is generated based on a voltage at the floating diffusion node, the pixel signal including a reset output that is generated based on the voltage at the floating diffusion node being reset by the reset circuit. The image sensor further includes a sampler sampling the output pixel signal to generate a sampling signal having a time interval corresponding to a magnitude of the output pixel signal, and a counter counting the generated sampling signal, based on a counter clock, to generate a counting value corresponding to the time interval of the sampling signal. The sampler samples the reset output of the output pixel signal n times to generate first to n-th reset sampling signals, where n is an integer of 2 or more. |
| US10785426B2 |
Apparatus and methods for generating high dynamic range images
An image sensor pixel may include a photodiode, a floating diffusion, and a transfer gate. Column readout circuitry coupled to the image sensor pixel via a column line. The column readout circuitry may include sample and hold circuitry, comparison circuitry, residual measurement and summation circuitry, counter circuitry, analog-to-digital conversion circuitry, and digital summation circuitry. Column readout circuitry is configured to perform readout operations on a pixel image signal generated for a single frame in one or more portions, thereby extending the dynamic range of the imaging system without modifying pixel structure to generate high-dynamic range images within the single frame. |
| US10785421B2 |
Systems and methods for implementing personal camera that adapts to its surroundings, both co-located and remote
A computerized system comprising a processing unit and a memory, the system operating in connection with a real-time video conference stream containing a video of a user, wherein the memory embodies a set of computer-executable instructions, which cause the computerized system to perform a method involving: receiving the real time video conference stream containing the video of the user; detecting and separating the background in the received real time video conference stream from the user; and replacing the separated background with a background received from a system of a second user or with a pre-recorded background. |
| US10785419B2 |
Light sensor chip, image processing device and operating method thereof
There is provided an image processing device including a light sensor and a processor. The light sensor is used to detect light and output an image frame. The processor identifies intensity of ambient light according to an image parameter associated with the image frame. When the ambient light is identified to be strong enough, the processor performs an object identification directly using the image frame. When the ambient light is identified to be not enough, the processor firstly converts the image frame to a converted image using a machine learning model, and then performs the object identification using the converted image. |
| US10785418B2 |
Glare reduction method and system
A method for decreasing glare in images begins with providing cameras and lights mounted on a movable base and directable at a target. The position, orientation, intensity, and intensity distribution of lights directed at the target is then determined. This information is used to estimate illumination received by cameras based in part on target reflectance characteristics. The light intensity and selected illumination levels necessary to prevent glare creation in images captured by cameras can be selectively varied, being decreased to prevent overexposure and increased to prevent underexposure. |
| US10785415B2 |
Display control device and display control method
The present technology relates to a display control device, a display control method, and a program that make it possible to provide an interface useful for a user to easily determine an optimal frame rate. At least a first image and a second image that are at different frame rates or that have different image quality in frames at the same time are displayed on the same position in a display region of a display device. The present technology can be applied, for example, to a digital camera or the like that can image images at a plurality of frame rates. |
| US10785411B2 |
Image processing apparatus, image processing method, and storage medium
An image processing apparatus comprises a processor capable of setting a first mode of outputting image data corresponding to a first region of an image sensor including a plurality of pixels, and a second mode of outputting image data corresponding to a second region that is smaller than the first region, and selecting one of a plurality of sizes at least including first, second and third sizes as an output size for image data. The second size is based on the first size, and if the first mode is set, the first, second and third sizes are included as choices of size from which the processor selects, and if the second mode is set, the first and third sizes, excluding the second size, are included as the choices of size. |
| US10785405B2 |
Electronic device, control method, and storage medium
There is provided an electronic device. A changing unit changes a setting value of a setting item selected from a plurality of setting items to a setting value that is selected, in accordance with a user operation, from among a plurality of setting values including a first setting value, for which a setting value is automatically determined. A determination unit automatically determines, for a setting item for which the first setting value was set, a setting value. A control unit performs control such that, when, in a state in which a setting value of a first setting item for which the first setting value was set has been automatically determined, a user operation is made to change a setting value of a second setting item, the setting value of the first setting item is not changed. |
| US10785400B2 |
Multiple fields of view time of flight sensor
In some embodiments, a ToF sensor includes an illumination source module, a transmitter lens module, a receiver lens module, and an integrated circuit that includes a ToF imaging array. The ToF imaging array includes a plurality of SPADs and a plurality of ToF channels coupled to the plurality of SPADs. In a first mode, the ToF imaging array is configured to select a first group of SPADs corresponding to a first FoV. In a second mode, the ToF imaging array is configured to select a second group of SPADs corresponding to a second FoV different than the first FoV. |
| US10785393B2 |
Methods and devices for selective flash illumination
The various embodiments described herein include methods and/or devices for directing flash illumination. In one aspect, a method is performed at a device including a camera, one or more processors, and memory storing one or more programs configured for execution by the one or more processors. The method includes directing flash illumination to an identified area of interest in a scene by adjusting power supplied to respective elements of a flash array. The method further includes capturing, via the camera, an image of the scene as illuminated by the flash illumination. |
| US10785391B2 |
Optical image capturing module
An optical image capturing module is provided, including a circuit assembly and a lens assembly. The circuit assembly may include a circuit substrate, a plurality of image sensor elements, a plurality of signal transmission elements, and a multi-lens frame. The image sensor elements may be connected to the circuit substrate. The signal transmission elements may be electrically connected between the circuit substrate and the image sensor elements. The multi-lens frame may be manufactured integrally and covered on the circuit substrate and the image sensor elements. The signal transmission elements may be embedded in the multi-lens frame. The lens assembly may include a lens base, a fixed-focus lens assembly, an auto-focus lens assembly, and a driving assembly. The lens base may be fixed to a multi-lens frame. The fixed-focus lens assembly and the auto-focus lens assembly may have at least two lenses with refractive power. |
| US10785390B2 |
Imaging device, imaging system, movable object, method, and program
An imaging device includes an image sensor, an optical element arranged in front of the image sensor, an electromechanical converter attached to the optical element, and a controller configured to provide a control signal to the electromechanical converter to control a vibration of the electromechanical converter. An amplitude of the control signal has a first amplitude value when a frequency of the control signal has a first frequency value. The amplitude of the control signal has a second amplitude value smaller than the first amplitude value when the frequency of the control signal has a second frequency value that is closer to a resonant frequency of the optical member than the first frequency value. |
| US10785387B2 |
Electronic device for taking moving picture by adjusting threshold associated with movement of object in region of interest according to movement of electronic device and method for operating same
An electronic device may comprise a camera, a sensor circuit, a memory, and a processor configured to obtain a plurality of first images including a region of interest (ROI) based on a first frame rate using the camera, detect a movement of the electronic device using the sensor circuit, identify a threshold related to a movement of the ROI based on the movement of the electronic device, wherein the threshold related to a movement of the ROI is identified as a first threshold, and the threshold related to the movement of the ROI is identified as a second threshold larger than the first threshold, obtain a plurality of second images based on a second frame rate larger than the first frame rate in response to an object moving at the first threshold or the second threshold in the ROI, and provide a video related to the object. |
| US10785384B2 |
Submersible electronic devices with imaging capabilities
A submersible electronic device such as a waterproof cellular telephone may be provided with an image sensor. The image sensor may capture images of underwater objects. Control circuitry in the submersible electronic device may adjust image contrast and color balance based on information from sensors and other information. The electronic device may have an ambient light sensor. The ambient light sensor may be a color ambient light sensor and may be used in measuring ambient lighting conditions above water and underwater. A depth sensor may be used in measuring the depth of the image sensor and other components of the electronic device underwater. Information on the depth of the image sensor, information on the distance of an underwater object to the image sensor, and angular orientation information for the electronic device and image sensor may be used in color balancing an image. |
| US10785380B2 |
Non-transitory computer-readable medium and terminal apparatus
A non-transitory computer-readable medium having a computer program for causing a terminal apparatus to perform a first display processing of displaying an execution instruction object, a reception processing of receiving status information from an image processing apparatus in response to detecting execution of a first operation on a position of the execution instruction object, a first determination processing of determining whether the image processing apparatus can execute an operation for image data on the basis of the received status information in response to detecting that the first operation on the position of the execution instruction object has changed to a second operation, and an execution instruction processing of transmitting execution instruction information for instructing execution of the operation to the image processing apparatus in response to it being determined in the first determination processing that the operation can be executed. |
| US10785377B2 |
Communication system, image forming apparatus, communication method, and non-transitory computer-readable storage medium storing program
Restriction processing for restricting communication with the network is executed, and a screen for starting establishment of a connection relationship in a state in which the restriction processing is executed is displayed on a display device. A connection relationship with a mobile terminal is established without intervention of the access point of the external apparatus using a wireless LAN interface capable of performing wireless communication, and predetermined information is acquired from the mobile terminal via the wireless LAN interface after establishment of the connection relationship. |
| US10785371B2 |
Optimal resource and channel selection
A method, a device and a system selects an optimal resource and/or channel. The device of a contact center receives transaction data and interaction data corresponding to a transaction between the contact center and a user device. The transaction data includes one of a current resource being utilized for the transaction or a current channel indicating a communication channel being utilized for the transaction. The interaction data corresponds to interaction information of the current resource and the user device. The device generates a current score value of the transaction based on the transaction data and the interaction data. The device determines one of a further resource or a further channel to be used for the transaction based on the current score value and a predictive model. The predictive model defines relations between score values with the resources or the channels. |
| US10785369B1 |
Multi-factor scam call detection and alerting
Call record data for telephone numbers of callers are received. A telephone number of a caller is determined as used to place a telephone call to a recipient telephone number of a call recipient. The call record data are analyzed using graph analytics to generate a reliability score for the telephone number that represents a likelihood that the caller is known to the call recipient. The call record data are analyzed using entropy analysis to generate a behavior score for the telephone number that represents a behavior trustworthiness of the caller. The reliability score, the behavior score, and the telephone number of the caller are sent to a user device of the call recipient for the user device to generate a first indication that represents a value of the reliability score and a second indication that represents a value of the behavior score for display along with the telephone number. |
| US10785367B2 |
Audio processing method and terminal device
The present disclosure relates to audio processing methods and terminal devices. One example method includes determining, by a terminal device, an actual uplink gain based on a position relationship between an acoustic source and a microphone of the terminal device, and processing, by the terminal device, an audio signal from the acoustic source based on the actual uplink gain. |
| US10785366B2 |
Method, apparatus, and electronic device for controlling display screen backlight, and storage medium
Embodiments of the present disclosure provide a method, an apparatus, and an electronic device for controlling a display screen backlight, and a storage medium. It is determined, with reference to an included angle between the electronic device and a preset direction and whether there is an object shielding an aperture in a call state, that the display screen backlight is adjusted to be on or off. |
| US10785365B2 |
Intuitive computing methods and systems
A system senses audio, imagery, and/or other stimulus from a user's environment, and responds to fulfill user desires. In one particular arrangement, a discovery session is launched when the user speaks a cueing expression, which serves to switch the system from a lower activity state to a heightened alert state. The system may recognize that the speech expresses a user request that requires analysis of camera-captured imagery to fulfill. In response the system can apply an operation, such as a recognition operation (e.g., barcode decoding), to the imagery and take an action based on resulting information. Operation of the system can be aided by collateral information, such as context. A great number of other features and arrangements are also detailed. |
| US10785364B1 |
System and method for controlling devices using short message service via a relay device
Described are systems and methods for responding to a lost-mode command directed to a target wireless device from a server to alter the functionality of the device, such as to restrict access to sensitive data. A relay device is selected at the server to act as intermediary between the server and the target wireless device. An encrypted message with both the lost-mode command and the relay-device phone number is relayed to the target wireless device. The target wireless device decrypts and parses the message to extract the lost-mode command and the relay-device phone number. To authenticate the relay device as the intended sender of the lost-mode command, the target wireless device compares the phone number of the message sender to the relay-device phone number specified in the message. The target wireless device disregards the lost-mode command if the sender's phone number does not match the relay-device phone number, and otherwise enters a “lost mode.” |
| US10785355B2 |
Method for applying cell phone screen protector
A method for applying a screen protector to a cell phone screen protector is provided, including: providing a cell phone screen protector and a cell phone to be applied; cleaning a screen of the cell phone to be applied; tearing off the release liner by the label of the release liner, simultaneously lightening the screen of the cell phone to be applied, and sticking the silicone protective film on the screen, and uncovering the first part via the label of the first part; using a scraping card to scrape slightly from top to bottom; uncovering the second part via the label of the second part, and using the scraping card to scrape slightly from top to bottom; using the scraping card to scrape outwardly along a curved edge of the screen; tearing off the PET release film, and smoothing both sides of the screen. |
| US10785354B2 |
Display assembly and mobile terminal
The embodiments of the disclosure provide a display assembly and a mobile terminal, relate to a technical field of mobile terminal. The display assembly may include a display screen and a positioning member. The display screen may include a bottom face and a display face. The display screen defines a light transmitting hole in the display screen and at least penetrating through the bottom face. The positioning member is positioned on the bottom face and located at a periphery of the light transmitting hole. The positioning member is configured to limit a movement of a functional device received in the light transmitting hole in a direction parallel to the bottom face. |
| US10785353B1 |
Mobile phone camera extension-and-retraction device and mobile phone
A mobile phone camera extension-and-retraction device (100) and a mobile phone, wherein, the mobile phone camera extension-and-retraction device (100) comprises a driving unit (1), a reversing gear mechanism (2), a connecting drive mechanism (3), a control module and a shell (4), the driving unit (1) is controlled to rotate forwardly or reversely by the control module, thereby driving the first planetary pinion (22) or the second planetary pinion (23) of the reversing gear mechanism (2) to mesh with the second drive gear (31) of the connecting drive mechanism (3), and driving the rack member (32) for straightly reciprocating movement, such that the mobile phone camera fixedly connected to the rack member (32) extends or retracts automatically. |
| US10785352B2 |
Front case of electronic device, and electronic device
A front case of an electronic device includes: a front case body, and a laser direct structuring laser direct structuring antenna stand as an auxiliary antenna of the electronic device. The front case body is provided with a through hole matching a shape of a feeding point of the laser direct structuring antenna stand; the laser direct structuring antenna stand is adhered to a front surface of the front case body by dispensing adhesive, and the feeding point of the laser direct structuring antenna stand extends through the through hole to a back surface of the front case body. The arrangement can reduce the difficulty and the cost of future rework of the touch panel, and can also reduce the risk of separation of the touch panel and the front case body. |
| US10785348B2 |
Segment size determination
Example implementations relate to segment size determination. In an example, the system may include a processing resource and a memory resource storing machine-readable instructions to cause the processing resource to determine a quantity of segments to be generated from a packet, and alter, in response to the determined quantity of segments and a memory block size of a destination port, a segment size for each of the quantity of segments. |
| US10785340B2 |
System and method for a convertible user application
Provided is a convertible software application management system for a shared data-access layer in a distributed structure system linked to a database for customizable data processing at least in the transportation, home healthcare, delivery, and other service industries. Provided is a dispatching service provider (DSP) application for dispatching objects of service companies to provide an efficient mobile app to promote a cooperative relationship between a DSP and service companies using white label apps and a streamlined/efficient dispatching system. Customers only need to download or utilize a single mobile app to access service providers from a plurality of service companies, white label companies, and/or a DSP, all using the same dispatch software. This increases the likelihood of a customer to find suitable service providers for his/her needs and allows service entities to reach additional customers and maintain their brands without the need for a plurality of mobile applications. |
| US10785334B2 |
Implanted agent within a first service container for enabling a reverse proxy on a second container
It is presented a method performed by a first software container comprising an implanted agent, which is configured to run in said first software container. The method comprise the steps, performed by the implanted agent, of: resolving an Internet Protocol, IP, address and a port of the first software container; and registering a microservice identity, the IP address and the port of the first software container in a first distributed hash table for enabling a second implanted agent running in a second software container to configure a reverse proxy running in the second software container. |
| US10785333B2 |
Location-based mobile storytelling using beacons
There is provided a system and method for location-based mobile storytelling using beacons. The system including a memory storing a storytelling software application, the storytelling software application configured to generate a story that includes a plurality of segments, each segment of the plurality of segments of the story being associated with one of a plurality of beacons, and a processor configured to execute the storytelling software application to receive a first message transmitted from a first beacon of the plurality of beacons, determine a first beacon identity of the first beacon using the first message, generate a first segment of the plurality of segments of the story based on the first beacon identity, the first segment of the story being associated with the first beacon, and play the first segment of the story. |
| US10785329B2 |
Methods and apparatus to facilitate meter to meter matching for media identification
Example methods, apparatus, systems and articles of manufacture are disclosed to facilitate meter to meter matching for media identification. Example apparatus disclosed herein include an unknown signature comparer, a stack counter, and a reference database updater. The unknown signature comparer is to select a candidate unknown signature segment meeting a threshold length from a set of unknown signature segments collected at a first audience measurement location and to compare individual signatures of the candidate unknown signature segment with a collection of unknown signature segments collected at a second audience measurement location. The stack counter is to count a number of times that the candidate unknown signature segment matches unknown signature segments in the collection and to identify the candidate unknown signature segment as a matched signature segment when the number of times meets a counter threshold. The reference database updater is to store the matched signature segment in a signature reference database. |
| US10785327B2 |
Client device application interaction monitoring
Systems and methods herein allow for automatic monitoring of conversions associated with uniform resource identifiers (URIs) accessed via client applications but actuated on web browsers. Upon actuation of a URI on a browser of a client device, a data processing system can assign a click ID to the actuation event and send it to the client device. The client device can open the URI in a client application and send the click ID and a client ID associated with the client device to the client device. The data processing system can map the click ID to the client ID. Upon occurrence of a URI related conversion, on the client application, the data processing system can receive a conversion message indicative of the conversion and including the client ID, and link the URI related conversion to the click ID based on the stored mapping. |
| US10785325B1 |
Audience binning system and method for webcasting and on-line presentations
A virtual audience binning system and method are described. The system and method dynamically labels a group with information derived from its current participants and possibly their conversations through data mining. Then, new audience would use this contextual information to decide their relevance and interest with the groups. Furthermore, using the system, the quality of virtual binning increases with number of participants that solves the problem of size so that it is a solution that's built to work at scale. The virtual audience binning may be used with an online presentation system that generates and displays webcasts and virtual events to the audience members. |
| US10785321B2 |
Service function chain (SFC) based multi-tenancy processing method
A service function chain (SFC) based multi-tenancy processing method. The disclosed method allows isolation between SFC enabled domains while facilitating aggregation of tenant related data sets from SFC packet flows of various service function paths (SFPs) through cross domain bridges (CDB) in SFC enabled domains, delegators in a demilitarized zone, and a tenant aware service function (TASF). A CDB serves as a service function (SF) in a SFP and also serves as a classifier forwarding SFC packets to the demilitarized zone. A CDB gateway serves as a classifier in a delegator receives the SFC packets from the CDB. The TASF collects information from the SFC packets. |
| US10785319B2 |
IP device discovery systems and methods
A method for Internet Protocol (IP) device discovery implemented in a control network having a gateway device, a router, and an IP device at a location. A location management system including a IP device at a location having an IP address assigned by a router at the location. A gateway device for managing a set of two or more local management devices at a location. |
| US10785318B2 |
Classification of website sessions using one-class labeling techniques
A session identification system classifies network sessions with a network application as either human-generated or generated by a non-human, such as by a bot. In an embodiment, the session identification system receives a set of unlabeled network sessions, and determines a label for a single class of the unlabeled network sessions. Based on the one-class labeling information, the session identification system determines multiple subsets of the unlabeled network sessions. Multiple classifiers included in the session identification system generate probabilities describing each of the unlabeled network sessions. The session identification system classifies each of the unlabeled network sessions based on a combination of the generated probabilities. |
| US10785317B2 |
Keep-alive technique in a network device
A network device may execute a software keep-alive process (SKAP) that enables the network device to continue to send keep-alive packets without interruption even during events such as a network operating system failover/switchover or an in-place system upgrade. The network device maintains a database of keep-alive network sessions storing information that is used to schedule and send keep-alive messages or packets for the keep-alive network sessions. The database may be shared between network operating subsystems and programs executed by the network device. The database may be updated by a network operating subsystem and the information may then be used by the SKAP to schedule and send out keep-alive messages or packets for the keep-alive network sessions. For example, a virtual machine may store information for a keep-alive network session in the database, which is used by SKAP to schedule transmission of keep-alive packets for that keep-alive network session. |
| US10785314B2 |
Arrangements for detecting bi-directional artificial intelligence (AI) voice communications and negotiating direct digital communications
Arrangements for automatically detecting bi-directional artificial intelligence (AI) communications and automatically negotiating (i.e., switching to alternative) direct digital communications. |
| US10785310B1 |
Method and system implementing dynamic and/or adaptive user interfaces
A method and system for servicing requests, including a deployed application that receives a request from a requesting entity, where the request is associated with a user. The system further includes determining a user interface (UI) event associated with the request, creating and storing a UI event entry based on the UI event, obtaining the application UI interaction profile (AUIP) associated with the user, obtaining a modified UI screen, where at least a portion of a default UI screen is modified based, at least in part on the AUIP, and providing the modified UI screen to the requesting entity. |
| US10785308B2 |
Vehicle device operating parameter setting system
A vehicle device operating parameter setting system includes a controller connected to at least one vehicle device. The controller is configured to count repetitions of usage of the at least one vehicle device by a first vehicle operator using parameters that differ from the previously saved parameter settings and determine whether the repetitions of the usage of the vehicle device by the first vehicle operator exceed a predetermined number. In response to the repetitions exceeding the predetermined number, the controller automatically operates an information providing device providing the first vehicle operator with a plurality of parameter settings of the at least one vehicle device. The controller is further configured to save a selected one of the plurality of parameter settings in response to the first vehicle operator selecting the one of the plurality of parameter settings, thereby replacing the previously saved parameter setting. |
| US10785305B2 |
Automatic file storage and sharing
Described embodiments enable the automatic uploading and sharing of objects via a content management system (CMS). A user of a client device may request to share an object via a user interface. Prior to the request, the object may be stored in a storage location of the client device that is not synchronized with the CMS. In one embodiment, client software detects a “click-and-drag” operation of an object and provide a sharing element into which an object may be dropped for sharing. The CMS receives the sharing request and may automatically initiate a sharing process comprising receiving the object from the client device, storing the object in the CMS, generating a link to the object, and sending the link to indicated or pre-determined recipient(s). In various embodiments, the objects are synchronized with the CMS and/or organized according to various object parameters within a directory of the CMS. |
| US10785304B2 |
Methods and systems for managing network addresses in a clustered storage environment
Methods and systems are provided for a clustered storage system. The method assigns a network access address to a virtual network interface card (VNIC) at a first cluster node of a clustered storage system, where a physical network interface card assigned to the network access address is managed by a second cluster node of the clustered storage system; and use the VNIC by a virtual storage server at the first cluster node to communicate on behalf of the second cluster node. |
| US10785300B2 |
Storage rate limiting for information handling system with multiple storage controllers
An I/O management method includes determining local target I/O rates for a plurality of storage controllers across which an I/O stream is distributed. The local target I/O rates may reflect a target latency corresponding to a QoS attribute associated with the I/O stream. A cumulative target I/O rate may be determined based on the local target I/O rates. A token bucket rate may be calculated for each applicable storage controller based on the local target I/O rates. The storage controllers may implement token bucket algorithms in accordance with the token bucket rates to enforce the QoS for the I/O stream. The local target I/O rates may be determined periodically based on measured data indicating actual latency and traffic. A queue depth is determined based on the measured values of latency and traffic. The queue depth is then used with the desired value of latency to obtain the target I/O rates. |
| US10785296B1 |
Dynamic exchange of data between processing units of a system
Techniques are provided for making data stored in channels of shared memory available across a communication network that couples multiple distinct processing units (e.g., of a robot). In various implementations, a channel may be established in shared memory of a first processing unit. A publisher process executing on the first processing unit may publish data to the channel, and a remote subscriber process executing on a second processing unit may subscribe to the channel. A persistent network connection over a communication network may be established between the first and second processing units. Data published to the channel by the publisher process may be read directly from the local memory of the first processing unit by or on behalf of one or more local subscriber processes, and may be transmitted over the communication network to the remote subscriber process using the persistent network connection. |
| US10785294B1 |
Methods, systems, and computer readable mediums for managing fault tolerance of hardware storage nodes
Methods, systems, and computer readable mediums for managing fault tolerance. A method includes receiving a request to establish a pool of data storage for an application of a distributed computing system. The distributed computing system includes hardware storage nodes integrated with compute nodes. The method includes receiving a target level of fault tolerance for the pool of data storage. The method includes establishing the pool of data storage by specifying, for each hardware storage node, a mirror hardware storage node for mirroring data stored on the hardware storage node so that the hardware storage node and the mirror hardware storage node do not share one or more pieces of physical equipment as specified in a physical layout of the hardware storage nodes to meet the target level of fault tolerance. |
| US10785288B2 |
Deferential support of request driven cloud services
A method includes configuring worker services to operate in a stateless manner and providing support services that enable the worker services to operate in the stateless manner. The support services include (i) a management service for providing notifications of server removal and addition, (ii) a state maintenance service for maintaining state information in a central location, and (iii) a load balancer service for distributing requests among worker services. The method includes altering a number of servers allocated to at least one worker service, responsive to a notification from the management service. A private protocol is used between the worker services and load balancer service (a) to send, from the worker services to the load balancer service, a respective pointer to the state information associated with the requests, and (b) to include the respective pointer in the requests when any of the requests are forwarded to any worker service. |
| US10785285B2 |
File uploading and downloading method based on a smart device
Disclosed is a file uploading and downloading method based on a smart device. According to which a unique ID of the smart device is obtained and entered into a mobile device, whereby a communication connection is established between the mobile device and the smart device through a proxy service. As such, the mobile device can download the relevant files within the smart device through the web service and the proxy service, while the smart device can also obtain the files uploaded by the mobile device through the proxy service and the web service. |
| US10785284B2 |
P2P transfer method and program having enhanced security
A P2P transmission method having enhanced security, according to an embodiment of the present invention, comprises: a step for receiving by a server from a first client a first temporary key issuance request; a step for generating a comparison key; a step for receiving an input key from a second client; a step for receiving from a transmission client a transmission request for a particular file; a step for comparing the comparison key and the input key; a transmission path selecting step for selecting a particular transmission path between the transmission client and a reception client if the comparison key and the input key correspond to each other; and a file transmission requesting step for requesting file transmission, through the selected transmission path, from the transmission client and reception client. |
| US10785282B2 |
Link file sharing and synchronization
A content management system can receive, from a client device, a link including an address to a network resource. The content management system can then store a link file including the link, and provide the link file on a first page of a website. Next, in response to an input received from a browser application at the client device, the content management system can extract the address from the link file and provide a second page on the website displaying the address from the link file and a graphical element configured to receive a request from the browser application to navigate to the address. In response to receiving the request from the browser application, the content management system can then instruct the browser application to navigate to the address. |
| US10785280B2 |
Mechanism for distinguishing between content to be served through first or second delivery channels
Described herein are methods, apparatus and systems for selectively delivering content through one of two communication channels, one being origin to client and the other being from or through a CDN to client. Thus a client may choose to request content from a CDN and/or from an origin server. This disclosure sets forth techniques for, among other things, distinguishing between which channel to use for a given object, using the CDN-client channel to obtain the performance benefit of doing so, and reverting to the origin-client channel where content may be private, sensitive, corrupted, or otherwise considered to be unsuitable from delivery from and/or through the CDN. |
| US10785278B2 |
Network management interface
A method for communicating over a specified protocol enabling bi-directional streaming between a network manager and a network device is provided. The method includes receiving, at data processing hardware of a network device, a request from the network manager requesting data including at least one of state information or configuration information. The request includes a get request to obtain a snapshot of the requested data existing on the network device or a subscribe request to subscribe to updates for the requested data existing on the network device. The method also includes transmitting a data response from the data processing hardware to the network manager via telemetry. The data response includes the requested data having data elements defined by at least one data schema supported by the network device. The capability and data requests and the capability and data responses adhere to a protocol configured to enable bi-directional streaming between the network manager and the network device. |
| US10785277B2 |
Methods and devices for encoding and decoding binary data
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for encoding binary data are provided. One of the methods includes: obtaining a multimedia file from a storage device, extracting multiple bytes of binary data from the multimedia file, converting the binary data into 7-bit encoded data using an encoding algorithm, and sending one or more signals comprising the 7-bit encoded data to a remote computing device. The converting includes identifying multiple bits of data, each corresponding to a predetermined bit position of one of the bytes of binary data, generating one or more bytes of combined-bit data by combining the identified bits of data, generating one or more bytes of remaining-bit data, and generating the 7-bit encoded data by concatenating the one or more bytes of combined-bit data and the one or more bytes of remaining-bit data. |
| US10785275B2 |
Presentation of media in an application
A method and apparatus for presenting timed media represented by data in a markup language (e.g., HTML) including examining a tag or metadata which is capable of specifying more than one form or representation of timed media, such as different versions of a video encoded according to different video codec standards. |
| US10785273B2 |
Media streaming using hybrid P2P and client-server distribution of content
Hybrid device for viewing media content: a media player; a non-transitory storage medium; and a processer to perform functions: exception detection and handling to monitor a rate of media streaming and to identify when viewing of the media content is or predicted to be interrupted; a peer interaction manager to broadcast a request to peers for media segments of the media content when viewing of the media content is or predicted to be interrupted; a security manager to send a request to a content distribution network to start streaming of the media content, to receive a session key from the content distribution network, and to present the session key to the peers; a peer media manager to receive the media segments from the peers and cache the media segments; and a media segment manager to stitch the media segments from different peers into a single continuous media file. |
| US10785272B2 |
Streaming application upgrading method, master node, and stream computing system
A streaming application upgrading method and a stream computing system, where the method includes obtaining a updated logical model of a streaming application, determining a to-be-adjusted stream by comparing the updated logical model with an initial logical model, generating an upgrading instruction according to the to-be-adjusted stream, and delivering the generated upgrading instruction to a worker node such that the worker node adjusts, according to an indication of the upgrading instruction, a stream between process elements (PEs) distributed on the worker node. The method provided in the present disclosure can upgrade the streaming application online without interrupting a service. |
| US10785269B2 |
Augmented reality platform for professional services delivery
Methods and systems for the remote delivery of professional services, using augmented reality (AR), are disclosed. In embodiments, a user transmits an image or video to a server, which provides a list of professionals on the basis of object recognition performed on the image or video. The user selects a professional, and the server initiates a video session between a user device and a professional device, where the professional can superimpose one or more AR objects on the video, to be displayed on the user device. |
| US10785264B2 |
System and method for security inspection of electronic equipment
A security inspection system verifying a security system of electronic equipment may include an inspector having: a communicator connecting wireless diagnostic communication with the electronic equipment entering a process line; a KMS inspection portion inspecting a management state of generation and destruction of encryption key of a key management system device included in the electronic equipment; an application firewall inspection portion inspecting security policy of an application firewall disposed in a gateway of the electronic equipment; a version inspection portion updating at least one of a patch program and a firmware of the security system included in the electronic equipment; a database storing a program and data for a security inspection of the electronic equipment; and a controller performing diagnostic test of a firewall installation state, an encryption key management state, a transmission/reception state of an encrypted message, or blocking of abnormal data of the security system. |
| US10785260B2 |
Optically analyzing domain names
Systems and methods determine whether domain names are potentially maliciously registered variants of a set of monitored domain names. A computer system can receive domain names from a feed of newly registered domain names. For each received domain name, the computer system can generate a series of images of the domain name in different fonts and/or with various distortions applied thereto. The computer system can then transform the domain name images back to text via optical character recognition. Due to the differences in fonts and/or distortions applied to the generated images of the received domain name, the optical character recognition process can produce different text strings than the originally received domain name. The converted textual domain names are then analyzed to determine whether any one is sufficiently similar to a monitored domain name, indicating that the received domain name could be a malicious variant thereof. |
| US10785257B2 |
Data center redundancy in a network
Aspects of the present disclosure involve systems, methods, computer program products, and the like, for data center redundancy in relation to a computer network. In particular, the present disclosure provides for one or more available redundant data centers, or bunkers, associated with a computer network. In one embodiment, the bunker data centers are configured to absorb traffic intended for an application operating on a data center when the traffic threatens to overwhelm the application. For example, during a distributed denial of service (DDOS) attack, the bunker data centers are configured to absorb some of the traffic from the DDOS attack to prevent the application that is the target of the attack from being overwhelmed. |
| US10785254B2 |
Network attack defense method, apparatus, and system
A network attack defense method is provided. An access request transmitted from a client to a target server is intercepted by at least one processor of a bypass check device. The client is redirected to a target verification server, to perform verification of a verification code on the client. A verification result of the verification of the verification code performed on the client by the target verification server is obtained. The access request sent by the client is forwarded to the target server based on the verification result indicating that client verification is successful. |
| US10785253B2 |
Distributed client-side user monitoring and attack system
Methods, systems, and apparatus for use in a distributed client-side user monitoring and attack system are disclosed herein. An example method includes providing a first set of instructions from a security application server to a target application server, the first set of instructions to, when executed, cause a client device to transmit a request for an image to the security application server. In response to the request for the image, a connection is opened between the client device and the security application server. Via the connection opened in response to the request for the image, a second set of instructions is provided to cause the client device to perform a vulnerability test on the target application server and communicate a result of the vulnerability test via the connection. |
| US10785252B2 |
Apparatus for enhancing network security and method for the same
Disclosed herein is an apparatus for enhancing network security, which includes an information collection unit for collecting information about states of hosts that form a network and information about connectivity in the network; an attack surface analysis unit for analyzing attack surfaces by creating an attack graph using the information about the states and the information about connectivity; a security-enhancing strategy establishment unit for establishing a security-enhancing strategy based on the attack graph; and a security-enhancing strategy implementation unit for delivering a measure based on the security-enhancing strategy to a corresponding host, thereby taking a security-enhancing measure. |
| US10785251B2 |
Security risk evaluation across user devices
Device users today are increasingly using multiple smart connected devices simultaneously in order to manage their online lives and increase their productivity. This makes it difficult for users to accurately gauge or feel confident about their overall online security and privacy levels, and it also increases potential attack avenues for malicious actors. Interconnections and relationships between such smart connected devices may also further increase and complicate the security implications of the user's multi-device connected world. The systems and methods disclosed herein provide a single reference point to users that allows them to evaluate the security and privacy aspects of their various online activities and multi-device ecosystem via a single Security and Privacy Score (SPS) value. Statistical Process Control (SPC) techniques may also be applied to a user's SPS values over time to alert users of potentially anomalous security conditions, and suggest potential remedial actions to increase the user's SPS value. |
| US10785247B2 |
Service usage model for traffic analysis
In one embodiment, a device in a network identifies an set of services of a domain accessed by a plurality of users in the network. The device generates a service usage model for the domain based on the set of services accessed by the plurality of users. The service usage model models usage of the services of the domain by the plurality of users. The device trains a machine learning-based classifier to analyze traffic in the network using a set of training feature vectors. A particular training feature vector includes data indicative of service usage by one of the users for the domain and the modeled usage of the services of the domain by the plurality of users. The device causes classification of traffic in the network associated with a particular user by the trained machine learning-based classifier. |
| US10785246B2 |
Mining attack vectors for black-box security testing
Black-box security testing for a Web application includes identifying infrastructure supporting the Web application, obtaining vulnerability data for the Web application from an external data source according to the infrastructure, deriving a test payload from the vulnerability data using a processor, and determining a type of vulnerability exploited by the test payload. An existing validation operation of a testing system is selected for validating a response from the Web application to the test payload according to the type of vulnerability. |
| US10785244B2 |
Anomaly detection method, learning method, anomaly detection device, and learning device
An anomaly detection method includes: extracting, for each of a plurality of learning packets obtained, all possible combinations of N-grams in the payload included in the learning packet; counting a first number which is the number of occurrences of each combination in the payloads of the learning packets; calculating, as anomaly detection models, first probabilities by performing smoothing processing based on a plurality of the first numbers; and when the score calculated for each of a plurality of packets exceeds a predetermined threshold that is based on the anomaly detection models stored in a memory, outputting information indicating that the packet having the score has an anomaly. |
| US10785241B2 |
URL attack detection method and apparatus, and electronic device
Features of multiple dimensions are extracted from information included in a URL access request. A risk score of the URL access request is obtained by providing the features to a predetermined URL attack detection model for prediction calculation, where the predetermined URL attack detection model is a machine learning model obtained through training based on the Isolation Forest machine learning algorithm. It is determined, based on the risk score, that the URL access request is a URL attack request. |
| US10785240B2 |
Protecting from unintentional malware download
Protection from malware download is provided. A first input is received to access one of an email attachment or a web site link using an application. A newly generated secure virtual machine is obtained from one of a network server or a cloud computing service. The one of the email attachment or the web site link is sent to the newly generated secure virtual machine for processing. |
| US10785234B2 |
Dynamic packet inspection plan system utilizing rule probability based selection
In one example, a method includes for each one time period of a plurality of time periods performing a weighted random selection of a first set of intrusion detection/protection system rules from a plurality of rules, each rule of the plurality of rules having an associated probability of selection, preparing a packet inspection plan including the first set of intrusion detection/protection system rules, and sending the packet inspection plan to a network distribution device to inspect packets according to the packet inspection plan. Related apparatus and methods are also described. |
| US10785232B2 |
Method, apparatus, system, and electronic device for cross-blockchain interaction
This specification describes techniques for performing cross-blockchain interactions. One example method includes generating, by a blockchain node in a first blockchain, a subscription request to a cross-chain interaction end between the first blockchain and a second blockchain. The blockchain node can then obtain a message from the second blockchain based on the subscription request, and subsequently perform an operation related to the obtained message. In some instances, the message obtained by the blockchain node is a message that is published in the second blockchain and satisfies subscription conditions of the blockchain node. |
| US10785230B1 |
Monitoring security of a client device to provide continuous conditional server access
An identity broker receives a request for access by a client device to a service provided by a server. In response to the request, the identity broker determines an identity of the client device using a client certificate. The identity broker also determines whether the client device is in a secure state. If the client device is secure, the identity broker sends an authentication request to an identity provider. After the identity provider authenticates the client device, the identity broker passes the authentication to the server, which establishes a session with the client device to provide the service. |
| US10785229B2 |
Enhanced network access control (eNAC) framework
A method for providing enhanced network access controls (eNAC) for a network includes utilizing a database having a plurality of MAB entries set to a default disabled state, connecting a non 802.1X capable device to the network using a MAC address as a unique identifier, utilizing a network switch to challenge the non 802.1X capable device, sending the MAC address of the device to a RADIUS client to authenticate against known records, processing a connection request from the non 802.1X capable device, upon validating the connection request, granting access to the non 802.1X capable device, utilizing a MAB rescue application to temporarily change the account status for the non 802.1X capable device to an enabled state, permitting endpoint authentication of the non 802.1X capable device while the account is enabled, and preventing rogue endpoints from accessing the network by disabling all MAB entries and new accounts on the network. |
| US10785225B2 |
Advanced gateway device
The present disclosure is directed to an advanced gateway device (“gateway”) for enabling communications between devices operating on or in communication with a communications network. The gateway includes a universal integrated circuit card (“UICC”), a router for interfacing with a number of devices, a network interface for communicating with the communications network, and one or more applications for managing associated devices and communications between the devices and the communications network. The gateway is registered with the communications network by transmitting information generated by the UICC to the communications network. Devices communicating with the gateway can access services provided by components of the communications network, and remote devices can access the devices communicating with the gateway based upon a trust relationship established between the gateway and the communications network. |
| US10785223B2 |
Authentication and registration system
An authentication and registration system is provided which can reduce a burden at the time of authentication and registration while ensuring security when a single apparatus is used to perform authentication and registration of identification information on another apparatus. In an authentication and registration system (1), an authentication request signal is transmitted from a mobile terminal (3) to a registration server (2). When two sets of identification information VIN and IMSI received before and after the authentication request signal match each other, the registration server (2) transmits an authentication code signal to an on-board controller (4) so that an authentication code is displayed on a DA apparatus (23). Thereafter, when an authentication code in an authentication code acknowledgement signal transmitted from the mobile terminal (3) matches the authentication code in the authentication code signal, the registration server (2) determines that authentication of the identification information succeeds. |
| US10785221B2 |
Credential delegation
In some implementations, a computing system can be configured so that a first user device can delegate a first user's media account credentials to second user device corresponding to a second user. For example, a playback device may be configured with the second user's media account credentials for accessing media items through a network media service. A first user may wish to play media items associated with the first user's media account credentials on the playback device. To do so, the first user device can request a device identifier for the playback device, request and obtain a delegate token for the device identifier from the media service, and provide the delegate token along with media item information to the playback device. The playback device can then use the delegate token to request the media item associated with the first user's media access account. |
| US10785220B2 |
Alternate user communication routing
A system and methods for alternate user communication routing are described. Unauthorized users are identified and alternate treatments are provided in order to deter unauthorized access and create opportunities for data collection. The use of a varied set of alternate treatments provides an enhanced view of unauthorized user behavior and an increased ability to track future unauthorized user actions by recording various user identity/communication characteristics specific to known unauthorized users. Alternate treatments may be provided randomly based on a set of alternate treatments previously provided to a specific user, or may be varied based on an identified group of unauthorized users presumed to be acting in concert. |
| US10785217B2 |
System, method and computer program product for controlling and altering biological, biometric, and idiosyncratic authentications
An authentication control method, system, and computer program product, includes performing an initial calibration to login to a registered device by detecting a plurality of biological signals, biometric signals, and idiosyncratic signals of a user and selecting a combination of the plurality of biological signals, biometric signals, and idiosyncratic signals to use in an initial calibration-authentication score, computing a login-authentication score at a time of the login based on a user input of signals corresponding to the signals of the initial calibration-authentication score, and allowing the login to the registered device if the login-authentication score is within a predetermined threshold of the initial calibration-authentication score. |
| US10785214B2 |
Alternate user communication routing for a one-time credential
The invention relates to alternate user communication routing for a one-time credential. When a user is determined to be an unauthorized user, the unauthorized user may be provided with an alternative one-time credential (e.g., one-time password, or the like) in response to the user trying to take an action (e.g., to access the organization systems in order to access information). When the unauthorized user tries to utilize the alternative one-time credential, the organization may identify the user as unauthorized and determine how to respond to the unauthorized user. In addition to the alternative one-time credential, one or more additional alternate treatments may be presented to the unauthorized user in order to identify, track, and/or prevent access by the unauthorized user. |
| US10785209B2 |
Service object allocation
A request is received at a server and from a first software client to obtain at least one electronic credential, and the first software client is associated with a first user, and the server stores multiple electronic credentials that are used to extract a service object; at least one electronic credential is transmitted from the server to the first software client based on a predetermined rule; an allocation request is received at the server to extract the service object, and the allocation request includes electronic credentials selected from electronic credentials obtained by the first software client; a number of categories of the selected electronic credentials that included in the allocation request is determined to be is greater than or equal to a predetermined number; and the service object that selected from a service object set is allocated to the first software client based on a predetermined allocation rule. |
| US10785207B2 |
Automatic login method and device between multiple websites
Technologies related to automatic account login are disclosed. In an implementation, a request from a user for logging in to an account of a second website associated with an account of the first website is received. The account of the first website is determined logged in to by the user. An automatic login token is generated based on one or more token generation rules agreed to by the second website for performing automatic login, and an automatic login link is generated and sent to the user, where the automatic login link includes the automatic login token, the automatic login link allowing the user to send an automatic login request that includes the automatic login token, and wherein the automatic login token is verified based on the one or more token verification rules to allow the user to automatically log in to the account of the second website. |
| US10785206B2 |
Automatic login method and device between multiple websites
Technologies related to automatic account login are disclosed. In an implementation, a request from a user for logging in to an account of a second website associated with an account of the first website is received. The account of the first website is determined logged in to by the user. An automatic login token is generated based on one or more token generation rules agreed to by the second website for performing automatic login, and an automatic login link is generated and sent to the user, where the automatic login link includes the automatic login token, the automatic login link allowing the user to send an automatic login request that includes the automatic login token, and wherein the automatic login token is verified based on the one or more token verification rules to allow the user to automatically log in to the account of the second website. |
| US10785205B2 |
Computer readable storage media for legacy integration and methods and systems for utilizing same
Systems and methods for integrative legacy context management are disclosed herein. An example computer hardware system may include at least one processing unit coupled to a memory, and the memory may be encoded with computer executable instructions that when executed cause the at least one processing unit to receive a set of credentials associated with a user from a user device, cross-reference the set of credentials with a first set of credentials of an agent associated with the user to determine whether the set of credentials is valid; and if the set of credentials is valid, provide a second set of credentials of the agent to the user device in response to a request for the second set of credentials from the user device. |
| US10785201B2 |
Synchronizing authentication sessions between applications
Disclosed are various embodiments for synchronizing authentication sessions between applications. A token exchange service receives a first authentication token from a client computing device. The first authentication token corresponds to a registration of an application of the client computing device for a user account. The first authentication token is validated. A second authentication token is generated, corresponding to a browser-based session for the user account. The second authentication token is sent to the client computing device. |
| US10785198B2 |
Secure session capability using public-key cryptography without access to the private key
A server establishes a secure session with a client device where a private key used in the handshake when establishing the secure session is stored in a different server. During the handshake procedure, the server receives a premaster secret that has been encrypted using a public key bound with a domain for which the client device is attempting to establish a secure session with. The server transmits the encrypted premaster secret to another server for decryption. The server receives the decrypted premaster secret and continues with the handshake procedure including generating a master secret from the decrypted premaster secret and generating one or more session keys that are used in the secure session for encrypting and decrypting communication between the client device and the server. |
| US10785194B2 |
Processing intents using trusted entities in a dispersed storage network
A method for execution by a processing unit in a dispersed storage network (DSN), the method includes creating a unique identifier for intent processing entities (IPEs) and when creating intents, encrypting the contents of intents using an associated intent encryption key (IEK). The method continues by the processing unit encrypting each IEK using a key associated with a trusted IPE (TIPE) to generate an encrypted IEK, followed by storing and transmitting the encrypted IEK, the encrypted contents of the intent, and the IPE ID to the target TIPEs. |
| US10785193B2 |
Security key hopping
A network resource and a user device include secure connection applications that share one or more keys and a key selection criterion. A communication is received from the user utilizing a key selected from the one or more keys. The network resource selects a key based on the key selection criterion. If the keys match, then the user device is authorized and the user is allowed to access data of the network resource. The keys may further be selected and used to encrypt and decrypt data. Different key selections provide security to communications. |
| US10785192B2 |
Methods and systems for secure DNS routing
Various arrangements for performing secure domain name system (DNS) routing are presented. A secure signature may be generated using an internet protocol (IP) address of an authorized device. An encoded character string may be generated that comprises the IP address. The domain name server may receive a request for an IP address mapped to the hostname. The hostname may be validated using the secure signature. The IP address of the authorized device may be decoded from the encoded character string at least partially in response to the hostname being validated by the domain name server. The IP address decoded from the encoded character string may be transmitted at least partially based on the hostname being validated and the request for the IP address. |
| US10785190B2 |
System, apparatus and method for providing a unified firewall manager
A network system is provided between at least a first client site and a second client site, the first and the second client site are at a distance from one another. A client site network component is implemented at least at the first client site, the client site network component bonding or aggregating one or more diverse network connections so as to configure a bonded/aggregated connection that has increased throughput. At least one network server component may be configured to connect to the client site network component using the bonded/aggregated connection. A cloud network controller may be configured to manage the data traffic and a virtual edge providing transparent lower-link encryption for the bonded/aggregated connection between the client site network component and the network server component. |
| US10785187B2 |
Auto-attach signaling used as wireless local area network (WLAN) selection criterion
Implementing auto attach for a shortest path bridging (SPB) network comprises determining, on an access point, that an auto attach device communicating in a SPB network is enabled for auto attach, and an advertisement is transmitted to a mobile station. The access point acts a proxy between the mobile station and the auto-attach device by communicably coupling the auto attach device and the mobile station via the access point. A virtual local area network (VLAN) identification and service instance identifier (I-SID) is received from the mobile station, when is then transmitted to the auto-attach device. A VLAN (independent of any static VLAN associated with the WLAN) is created off of the VLAN identification and an indication that the I-SID and the VLAN have been accepted. Data communications are then provided between the mobile station and the auto attach device via the VLAN and the access point. |
| US10785186B2 |
Control plane based technique for handling multi-destination traffic in overlay networks
A method is provided in one example embodiment and includes receiving at a controller an Address Resolution Protocol (“ARP”) packet from a source VXLAN Tunnel End Point (“VTEP”) serving a source host and identifying a destination, the source VTEP having assigned thereto a Virtual Network Identifier (“VNI”) identifying a VXLAN network to which the source VTEP and a plurality of other VTEPs belong, the ARP packet being received by the controller via a control plane; determining whether the received ARP packet is a request message; and, if the received ARP packet is a request message, determining whether address information for the identified destination is stored in a cache of the controller. |
| US10785180B2 |
Content summation
As provided herein, a user of a client device is identified as viewing content (e.g., a movie) and generating user signals related to the content (e.g., a social network post about the movie). An expression of interest may be determined from the user signals (e.g., the user may write “this scene is amazing!” within the social network post). Responsive to the expression of interest exceeding an interest threshold, a timestamp is generated for a portion of the content occurring at a time corresponding to the expression of interest. A segment is extracted from the content based upon the timestamp. Summary content, such as a trailer or a summary video for the movie that depicts relatively interesting segments of the movie, is generated to comprise the segment and/or other segments. Users may view the summary content in order to obtain a brief overview of relatively interesting portions of the movie. |
| US10785177B1 |
Systems and methods for screening electronic communications
According to certain aspects of the disclosure, a computer-implemented method computer-implemented method may be used for screening electronic communications. The method may comprise analyzing contents of an electronic communication to determine whether the contents include sensitive information. A recipient list of the electronic communication may be compared to a screening list. Based on the analyzing and the comparing, it may be determined whether the contents are permitted to be transmitted to the recipient list. Upon determining that the contents are not permitted to be transmitted to at least one party of the recipient list, a notification may be provided to an author of the electronic communication indicating that contents are not permitted to be transmitted to the at least one party of the recipient list. |
| US10785176B2 |
Method and apparatus for classifying electronic messages
Systems and methods for processing a message are provided. A message may be processed to generate a message summary by removing or replacing certain words, phrases, sentences, punctuation, and the like. Message signatures based upon the message summary may be generated and stored in a signature database, which may be used to identify and/or classify spam messages. Subsequently received messages may be classified by signature and processed based on classification. |
| US10785172B2 |
Method and apparatus for delivering messages based on user activity status
An approach is provided for delivering messages to a user based on their activity status. An activity detection platform receives a request to deliver a message from a sending device to a receiving device. The activity detection platform also detects an activity status of a receiving user associated with the receiving device based on the request. The activity detection platform also presents at least one delivery option for the message at the sending device to a sending user based on the detection. The message is then processed based on the at least one delivery option selected by the sending user prior to a presentation of the message to the receiving user. |
| US10785171B2 |
Chat bot utilizing metaphors to both relay and obtain information
Techniques to enable a chat bot system to use metaphors during an interaction with a user are provided. Identification information for the user can be received and can be used to determine a customer group assigned to the user. An initial state of a sequence for resolving an issue of the user can be determined, with the sequence for resolving the issue of the user including a final state wherein the issue of the user is resolved. A metaphor can be selected to include in a question based on the determined customer group assigned to the customer and the determined initial state of the sequence for resolving the issue of the customer. The question can request information from the user relating to the issue of the user. The question can be generated to include the selected metaphor and then provided to the user with a prompt to provide a response. |
| US10785170B2 |
Reading messages in a shared memory architecture for a vehicle
A method of communicating messages between modules in a system on a vehicle, each module configured as a publisher node and/or subscriber node, the publisher nodes and the subscriber nodes collectively forming a plurality of nodes that communicate in the operation of the vehicle. One method includes communicating, by a subscriber node, with a registry for information to determine if a new message associated with a first topic is available for reading, determining, by each subscriber node, if a new message associated with the first topic is available for reading, in response to determining a new message associated with the first topic is available for reading, reading from the registry location information indicating where the first message is stored in a first message buffer, and reading, by each subscriber node the first message from the first message buffer using the location information. |
| US10785166B1 |
Resource assignment protocol-implemented policy-based direction of a client to an edge-compute resource
Aspects of the present disclosure provide a technical improvement to the problem of network congestion that exists when providing online services to clients. A system, method, and computer readable storage device use a resource assignment protocol to direct client requests for content and remote processing to a dynamic edge-compute instance placed in proximity to the client, thereby improving the Quality of Service QoS of network traffic. A policy server is implemented for serving specific clients with specific dynamically-placed services. Accordingly, traditional network traffic associated with communicating with a remote resource server and computational demand on the remote resource server are reduced, thereby making the network more efficient. |
| US10785161B2 |
Automatic rate limiting based on explicit network congestion notification in smart network interface card
A method is provided by which a network adapter device receives a packet sent over a network from a peer, the packet including an enqueue timestamp indicating when the packet has been enqueued at the network adapter device. The network adapter device parses a header of the packet to detect whether the header includes bits indicating that the peer device is experiencing congestion, and obtains packet metadata of the packet and the enqueue timestamp of the packet. The network adapter device compares the packet metadata with information in a flow table to identify an entry in the flow table corresponding to a flow to which the packet metadata matches. The network adapter device sets a timer associated with the flow, the timer for use in scheduling transmission of a next packet provided by the host to be sent to the peer. |
| US10785160B2 |
Congestion control method and apparatus
The present application discloses a congestion control method and an apparatus. The method includes: receiving, by a root node network element, a first link notification message; determining, based on the link status information of the first link, that the first link is congested; determining an identifier of a first leaf node network element based on a correspondence between an identifier of the first port and the identifier of the first leaf node network element; determining a service queue of the first leaf node network element based on a correspondence between the identifier of the first leaf node network element and an identifier of the service queue of the first leaf node network element; and lowering output bandwidth of the service queue of the first leaf node network element. |
| US10785156B2 |
System and method for managing bandwidth usage rates in a packet-switched network
A computer-implemented system is disclosed for managing bandwidth usage rates in a packet switched network. The system includes one or more servers configured to execute computer program steps. The computer program steps comprises monitoring bandwidth usage rate at a first provider interface, determining if bandwidth usage rate at the provider interface exceeds a bandwidth usage rate limit; and rerouting Internet traffic from the provider interface having bandwidth that exceeds the bandwidth usage rate limit to a second provider interface having available bandwidth capacity. |
| US10785151B2 |
Packet processing match and action pipeline structure with dependency calculation removing false dependencies
An embodiment includes a plurality of tables in a hardware network for performing packet processing. Each table in the plurality of tables includes a table declaration. The table declaration includes a first set of fields used for input matching and a second set of fields used as inputs for action processing. A first table is selected from the plurality of tables. Successor tables to the first table are selected from the plurality of tables. There is a third set of fields for each successor table of the successor tables. The contents of the third set of fields are output fields where the output fields are modified by the first table when a next table of the first table is the successor table of the first table. |
| US10785147B2 |
Device and method for controlling route of traffic flow
A route control device controls a route of a traffic flow in a server device that accommodates a plurality of entities. The route control device includes: a generator, a processor and a route controller. The generator generates first control information that indicates a right to indicate a route of the traffic flow in a first range of the server device. The processor receives first route indication information that indicates a route of the traffic flow and the first control information from a first entity in the plurality of entities and decides whether the first route indication information indicates a route in the first range. The route controller controls a route of the traffic flow based on the first route indication information when the first route indication information indicates a route in the first range. |
| US10785144B2 |
Latency equalization
Techniques for enforcing a common signaling latency between components positioned throughout a data center in order to realize latency equalization even though interconnects between components positioned throughout the data center do not by comparison necessarily exhibit a same total physical length. |
| US10785138B2 |
Methods and apparatus to perform elastic monitoring of software applications using embedded watchdogs
A method for implementing software application monitoring techniques is provided. The method embeds, by at least one processor, a monitor in an application to create a self-monitoring application package, wherein the monitor is configured to generate metrics data associated with functional health of the application; deploys the self-monitoring application package to a remote computing system, via a communication device communicatively coupled to the at least one processor; executes the self-monitoring application package, by the remote computing system; automatically receives, via the communication device, the metrics data from the remote computing system; migrates the self-monitoring application package to a second remote computing system, wherein the monitor is configured to generate the metrics data independent of a remote computing system location of the self-monitoring application package; executes the self-monitoring application package by the second remote computing system; and automatically receives the metrics data from the second remote computing system. |
| US10785125B2 |
Method and procedure for generating reputation scores for IoT devices based on distributed analysis
Aspects of the subject disclosure may include, for example, a method including obtaining a first set of votes from devices that are registered and enabled by a registration system to form a first network communicating with a processing system. The first set of votes relate to performance of a target device and indicate conformance to performance criteria for the first network. The processing system receives a reputation score for the target device from the registration system, and receives a second set of votes regarding target device performance from voting systems over a second network comprising a peer network including the processing system and the voting systems. The first and second sets of votes and the reputation score are aggregated to generate an updated reputation score for the target device. The registration system disables the target device when the reputation score falls below a threshold. Other embodiments are disclosed. |
| US10785124B2 |
Network planning with availability guarantees
A system and method for network planning with certain guarantees is disclosed. The system receives data characterizing various aspects of a backbone network, such as the nodes of the backbone network, how the nodes are connected by network links, the maximum available capacities of the network assets, network costs, and network asset reliability information. The system also receives data characterizing the requirements of different data communications, or flows, within the backbone network. For example, the backbone network may need to provide a flow a minimum amount of bandwidth or throughput, and the flow may have a minimum required uptime or availability. Based on the network data and flow data, the system generates a network plan that describes how capacity should be provided by different components of the network in a manner that guarantees satisfying flow requirements while balancing other considerations, such as network costs. |
| US10785122B2 |
Canary release validation mechanisms for a containerized application or service mesh
Systems and methods provide for validating a canary release of containers in a containerized production environment. A first container of the containerized production environment can receive network traffic. The first container can transmit the network traffic to a first version of a second container of the containerized production environment and to a traffic analysis engine. First metrics relating to processing by the first version of the second container can be captured. The traffic analysis engine can determine one or more traffic patterns included in the network traffic. The traffic analysis engine can cause simulated network traffic corresponding to the one or more traffic patterns to be transmitted to a second version (e.g., a canary release) of the containerized production environment. Second metrics relating to processing by the second version of the second container can be captured. A comparison between the first metrics and the second metrics can be presented. |
| US10785119B2 |
System for monitoring computerized services
A computerized service including interconnected components within a computer network is monitored using entry points of a service model corresponding to the computerized service. A discovery process is performed by a discovery mechanism based on an initial entry point of a computerized service. A service model is generated based on results of the discovery process. The service model includes indications of a plurality of components of the computerized service and indications of a plurality of entry points including the initial entry point and at least one additional entry point used for communication between ones of the plurality of components. Using a monitoring mechanism, at least one entry point of the plurality of entry points is tested using at least one protocol associated with the at least one entry point. An event generated based on the test is then processed, such as to identify alerts associated with the computerized service. |
| US10785112B2 |
Internal user-guide server for a customer premise equipment device
Methods, systems, and computer readable media can be operable to output troubleshooting and/or setup information associated with a device from a server within the device. In embodiments, troubleshooting and/or setup information is output from within the device to a subscriber when the device detects that an issue or failure exists with the device's connection to a network. A data or service request received from a subscriber can be rerouted to a server within the receiving device, and troubleshooting and/or setup information can be output as a result. |
| US10785109B1 |
Automated generation of a network service design
A device may receive a set of design parameters for a network service. The set of design parameters may include information that identifies one or more network functions associated with the network service. The device may determine attribute information associated with a plurality of virtual network functions (VNFs). A VNF, of the plurality of VNFs, may be configurable to perform at least one network function of the one or more network functions. The device may generate a network service design, associated with providing the network service, based on the set of design parameters and the attribute information. The network service design may include information identifying one or more VNFs, of the plurality of VNFs, that are capable of providing the network service in accordance with the set of design parameters. The device may provide information associated with the network service design. |
| US10785103B2 |
Method and system for managing control connections with a distributed control plane
A method and system for managing connections with a distributed control plane is provided. The method includes generating, by a router, a controller identifier (ID) list comprising a plurality of controller group IDs of a plurality of controller groups, wherein one controller group ID uniquely identifies one controller group. The method also includes identifying a first controller group, by the router from the list, with which a connection is to be established. Further, the method includes establishing, by the router, the connection with a controller of the first controller group if at least one of following conditions is met I) the router has not exhausted maximum number of connections, 2) the router has previously had a connection with the controller of the first controller group, and 3) the router has an existing connection with a controller of a second controller group not present in the list. |
| US10785099B2 |
Secure configuration of cloud computing nodes
Methods and systems for configuring nodes in a cloud computing network are described. One example method includes receiving, over a network, a configuration request from a particular node in the cloud computing network, the configuration request including node information for the particular node; verifying that the particular node is authorized for configuration based at least in part on the node information; in response to verifying that the particular node is authorized for configuration, identifying configuration actions to perform on the particular node based at least in part on the node information; and sending, over the network, a configuration command corresponding to one or more of the identified configuration actions to the particular node, wherein the particular node executes the configuration command upon receipt to perform the corresponding configuration actions. |
| US10785097B2 |
Configuring interaction control in multi-controller network
The present invention relates to an improved method of controlling interaction between network-enabled devices. In a network comprising multiple control devices, the selection of a control device can enable the mitigation of privacy risks and security risks and can further avoid frequent communications between network-enabled devices and an internet-based service (which increase power usage) as well as prevent devices becoming uncontrollable (based on failure of the network-enabled devices to connect to an internet-based service for control). The method comprises the steps of a user selecting an interaction schedule (102) and selection of a control device (104) as well as configuration of devices (106), based on said interaction scenario and said control scenario. |
| US10785095B2 |
Service fault locating method and apparatus
A service fault locating method and apparatus for precisely locating a network fault problem in a multi-layer OAM architecture network. The method includes: receiving a service fault locating request message; determining, an IPS, and an IPD, that a service fault is between a first layer-3 device and a second layer-3 device; obtaining a first network topology between the first layer-3 device and the second layer-3 device; determining a first forwarding path of the service packet between the first layer-3 device and the second layer-3 device according to the first network topology; configuring a forwarding entry of a forwarding device in the first forwarding path, and triggering the first layer-3 device to generate an extended layer-2 OAM packet; and obtaining a first path parameter of the first forwarding path, and determining a specific location of the service fault according to the first path parameter. |
| US10785091B2 |
Cognitive thermal cable holder
According to some embodiments of the present disclosure, a computer-implemented method for managing a data center that is temperature controlled using a thermal management system is disclosed. The method includes collecting ambient temperature data in the data center, collecting server temperature data in servers located in the data center, collecting rack temperature data at server racks located in a data center using rack temperature sensors, wherein each rack temperature sensor is associated with one of the server racks, wherein at least one of the server racks includes at least two of the servers. The method further includes analyzing the ambient temperature data, the server temperature data, and the rack temperature data to discover a cause of a fault in the data center, wherein the cause is selected from the thermal management system, the servers, or the rack temperature sensors, and generating a notification regarding the cause of the fault. |
| US10785090B2 |
Using machine learning based on cross-signal correlation for root cause analysis in a network assurance service
In one embodiment, a network assurance service associates a target key performance indicator (tKPI) measured from a network with a plurality of causation key performance indicators (cKPIs) measured from the network that may indicate a root cause of a tKPI anomaly. The network assurance service applies a machine learning-based anomaly detector to the tKPI over time, to generate tKPI anomaly scores. The network assurance service calculates, for each of cKPIs, a mean and standard deviation of that cKPI using a plurality of different time windows associated with the tKPI anomaly scores. The network assurance service uses the calculated means and standard deviations of the cKPIs in the different time windows to calculate cross-correlation scores between the tKPI anomaly scores and the cKPIs. The network assurance service selects one or more of the cKPIs as the root cause of the tKPI anomaly based on their calculated cross-correlation scores. |
| US10785089B2 |
Service-level resiliency in virtualization environments
A set of service-level reliability metrics and a method to allocate these metrics to the layers of the service delivery platform. These initial targets can be tuned during service design and delivery, and feed the vendor requirements process, forming the basis for measuring, tracking, and responding based on the service-level reliability metrics. |
| US10785087B2 |
Modifying computer configuration to improve performance
Embodiments of the present disclosure relate to improving computer performance. An action may be issued to a first client and a second client. A first optimization factor list (OFL) may be generated for the first client and a second OFL may be generated for the second client. After each OFL is generated, the first OFL may be compared to the second OFL. A correlation factor (CF) may be generated between the first client and the second client based on the OFL comparison, wherein the CF indicates a level of similarity between the first client and the second client. A bottleneck causing performance issues in the first client may be determined and computer configuration of the first client may be adjusted based on the bottleneck. |
| US10785084B2 |
Coding and modulation apparatus using non-uniform constellation and different PHY modes
A coding and modulation apparatus and method are presented, particularly for use in a system according to IEEE 802.11. The apparatus comprises an encoder configured to encode input data into cell words according to a low density parity check code, LDPC, and a modulator configured to modulate said cell words into constellation values of a non-uniform constellation and to assign bit combinations to constellation values of the used non-uniform constellation, wherein said modulator is configured to use, based on the PHY mode, the total number M of constellation points of the constellation and the code rate, a particular non-uniform constellation. |
| US10785080B2 |
Determining a number of RACH preamble messages for transmission
Methods, systems, and devices for wireless communications are described. In some systems, base stations and user equipment (UEs) may use beamforming for transmitting random access channel (RACH) messages. A UE may transmit multiple RACH preamble messages (e.g., within a random access response (RAR) window) to initiate a RACH procedure. The UE may transmit the RACH preamble messages in transmission opportunities corresponding to reference signals received from the base station. In some cases, the UE may determine the number of RACH preamble messages to transmit within the RAR window based on an ability of the UE to simultaneously monitor for a RAR message in response to each of the transmitted messages. In other cases, the UE may transmit an indication of UE capabilities to the base station. The base station may determine a RACH resource configuration for the UE based on the capabilities and may indicate the configuration to the UE. |
| US10785078B2 |
Method for signal modulation in filter bank multi-carrier system
A method for signal modulation in a filter bank multi-carrier system is provided. A modulation method according to one embodiment of the present disclosure includes generating a plurality of different candidate transmission signals by modulating a complex symbol vector including a plurality of complex symbols in a discrete Fourier transform (DFT) spread filter bank multi-carrier (FBMC)/offset quadrature amplitude modulation (OQAM) scheme and selecting a candidate transmission signal having a lowest peak power or peak-to-average power ratio (PAPR) as a transmission signal, wherein the generating of the plurality of candidate transmission signals comprises applying a different phase offset to the complex symbol vector according to a candidate transmission signal to be generated. |
| US10785077B1 |
Reconstruction of a skywave symbol
A method for symbol reconstruction, the method comprises: receiving, by a skywave propagation receiver, a partial skywave symbol that comprises a first number (N1) of of legal subcarriers out of a set of a second number (N2) of legal subcarriers that represent a given skywave symbol; wherein the given skywave symbol belongs to a group of skywave symbols; wherein each pair of skywave symbols of the group share up to a third number (N3) of legal subcarriers; and selecting the given skywave symbol from the group when N1 exceeds N3. |
| US10785075B2 |
Radio frequency (RF) to digital polar data converter and time-to-digital converter based time domain signal processing receiver
The present disclosure includes a time-to-digital converter (TDC) based RF-to-digital (RDC) data converter for time domain signal processing polar receivers. Polar data conversion achieves better SNR tolerance owing to its phase convergence near the origin in a polar coordinate. The proposed RDC consists of a TDC for phase detection and an analog-to-digital converter (ADC) for amplitude conversion. Unlike the conversional data converter, the proposed ADC's sampling position is guided by the detected phase result from the TDC's output. This TDC assisted data-converter architecture reduces the number of bits required for the ADC. In addition, oversampling is no longer needed. With precisely controlled tunable delay cells and gain compensator, this hybrid data convertor is capable to directly convert Quadrature Amplitude Modulation (QAM) waveforms and Amplitude Phase Shift Keying (APSK) waveforms directly from the RF signal without down-conversion. Thus, the proposed RDC architecture achieves lower power consumption and better performance comparing with conventional I/Q receivers. |
| US10785072B2 |
Clock data recovery with decision feedback equalization
Methods and systems are described for generating two comparator outputs by comparing a received signal to a first threshold and a second threshold according to a sampling clock, the first and second thresholds determined by an estimated amount of inter-symbol interference on a multi-wire bus, selecting one of the two comparator outputs as a data decision, the selection based on at least one prior data decision, and selecting one of the two comparator outputs as a phase-error decision, the phase error decision selected in response to identification of a predetermined data decision pattern. |
| US10785071B2 |
Communication apparatus and received signal processing method
A wireless communication apparatus includes components below. An equalization unit performs equalization processing on a part of a received signal corresponding to a first range and a part of the received signal corresponding to a second range. The first range includes detection target data. The second range is outside the first range. A replica generation unit decomposes the second range, on which equalization processing has been performed, into a plurality of signal components, and reproduces the part of the received signal corresponding to the second range for each of the signal components to generate a replica of an interference component. An interference cancellation unit cancels the interference component from the part of the received signal corresponding to the first range by using the replica. A data extraction unit extracts the detection target data from the received signal. |
| US10785069B2 |
Early detection and indication of link loss
This disclosure describes techniques for detecting link loss in a physical layer receiver of a communication system. The system includes a slicer coupled to receive, at a slicer input, a signal from a channel equalizer and map the signal to a physical coding sublayer (PCS) level at a slicer output and processor coupled to at least one of the slicer input or the slicer output. The processor is configured to analyze a window of consecutive samples at the at least one of the slicer input or the slicer output over a time window; increment a counter as a function of the window of consecutive samples at the at least one of the slicer input or the slicer output; compare the counter to a threshold; and generate a signal indicating link loss in response to determining that the counter corresponds to the threshold independently of a timer. |
| US10785066B1 |
Can communication with broken cable
A circuit for generating a bias voltage for a terminating end capacitor in a controller area network (CAN) bus having a CANH and a CANL terminals is disclosed. The circuit includes a configurable voltage source, a controller to generate a control signal to operate the configurable voltage source, a CANH error detector and a CANL error detector. The CANH error detector and the CANL error detector are configured to provide inputs to the controller. The controller is configured to generate the control signal based on the outputs of the CANH error detector and the CANL error detector. The configurable voltage source is configured to output a bias voltage based on the control signal. |
| US10785064B1 |
Semiconductor device and method therefor
In one embodiment, a transmitter circuit may be configured to transmit a signal to a receiver. The transmitter circuit may also be configured to detect receiving energy from a transient event, for example detect a transient current, and to direct at least a portion of the energy away from the transmitted signal while the transmitter circuit is transmitting the signal. |
| US10785062B2 |
Method and apparatus for state feedback decoder based channel estimation
The present disclosure relates to a state feedback decoder based channel estimating method including: calculating a first output bit when an input bit is 0 and a second output bit when an input bit is 1 using convolution encoder state information received from a determining unit; configuring a first virtual pilot and a second virtual pilot through modulation by receiving the first output bit and the second output bit; deinterleaving an i-th (here, i refers to a natural number corresponding to the number of OFDM symbols from 1) OFDM symbol; estimating a first channel and a second channel based on the first virtual pilot and the second virtual pilot using an output value in accordance with the deinterleaving result and calculating a first mean square error (MSE) and a second MSE; and comparing the calculated first MSE and second MSE to determine an input bit having a lower MSE as a reception bit by the determining unit and updating and feedbacking the convolution encoder state information using the determined reception bit. |
| US10785061B2 |
Propagation channel estimation method
A propagation channel estimation method is provided. In-phase and quadrature components of a propagation channel estimation value in each pilot subcarrier are separated into amplitude and phase components. A propagation channel of a data subcarrier portion existing between pilot subcarriers is estimated by phase/amplitude separation linear interpolating in each separated amplitude and phase component. A reference parameter is produced by linear interpolating a portion between pilot subcarriers on a complex plane. When quadrants on the complex plane of the interpolated phase component estimation value and the reference parameter are different, a phase connecting process to cancel a discontinuity of the phases is executed to the phase component estimation value interpolated by the phase/amplitude separation linear interpolation. When the quadrants are not different or after the phase connecting process, a complex propagation channel estimation value of the data subcarrier portion is calculated from the phase and amplitude components of the propagation channel estimation value. |
| US10785060B2 |
Efficient channel estimation and symbol detection for massive MIMO-OFDM
A communication system that minimizes the transmission of pilot symbols while ensuring real-time channel tracking and symbol detection. The system employs a multiple-input multiple-output (MIMO) transmitter-receiver pair where there are many more receive antennas than transmit antennas. Communication occurs over a wide band RF channel via orthogonal frequency division multiplexing (OFDM) that employs a large number of sub-carriers. |
| US10785059B2 |
Processing of wireless signals for access points using a central controller
Techniques are disclosed to reduce latency of processing for access points using a central controller. For example, an example method of wireless communication includes receiving, at an access point, a signal wirelessly. The method further includes filtering the signal using a first passband filter having a first bandwidth to generate a first filtered signal. The method further includes filtering the signal using a second passband filter having a second bandwidth to generate a second filtered signal, wherein the first bandwidth is less than the second bandwidth. The method further includes determining whether the signal includes a packet based on the first filtered signal and generating a control signal indicative of the determination. The method further includes transmitting the control signal and the second filtered signal to a central controller. |
| US10785057B2 |
Programmable and reconfigurable frame processor
A programmable and reconfigurable frame processor comprises: a first data processing unit; a first state machine connected to the first data processing unit; a second data processing unit; a second state machine connected to the second data processing unit; and a master state machine respectively connected to the first and second state machines. The first and second data processing units each comprises a frame structure description table for storing a frame header address pointer, a frame tail address pointer and values of respective sections specified in a communication protocol. The first state machine, the second state machine and the master state machine each comprises a protocol state structure description table for storing a header address pointer, a tail address pointer and state transition values. |
| US10785054B2 |
Slave module
A slave module receives a first wake-up signal from an adjacent previous module to perform a wake-up operation and to transmit a second wake-up signal to an adjacent subsequent module. The slave module includes: an analog front end (AFE) including a first terminal and a second terminal, the AFE may be woken up by receiving the first wake-up signal through the first terminal and may output a first voltage through the second terminal in a woken up state; a processor including a third terminal electrically connected to the first terminal, a fourth terminal electrically connected to the second terminal, and a fifth terminal electrically connected to a second slave terminal. The processor may boot up when the first voltage is applied to the fourth terminal, may output a second voltage to the third terminal after being booted up, and may output the second wake-up signal to the fifth terminal. |
| US10785053B2 |
Systems, methods, and apparatuses for implementing persistent management agent (PMA) functions for the control and coordination of DPU and DSLAM components
In accordance with embodiments disclosed herein, an exemplary system or computer implemented method for implementing Persistent Management Agent (PMA) functions for the control and coordination of DPU and DSLAM components may include, for example: a memory to store instructions for execution; one or more processors to execute the instructions; a virtualized module operating on virtualized computing infrastructure, in which the virtualized module is to provide a virtualized implementation of a plurality of functions associated with one or more remotely located Distribution Point Units (DPUs) and/or Digital Subscriber Line Access Multiplexers (DSLAMs), each of the one or more remotely located DPUs and/or DSLAMs having a plurality of broadband lines coupled thereto; in which the virtualized module is to further control Persistent Management Agent (PMA) functions and control coordination of the one or more remotely located DPUs and/or DSLAMs and the plurality of broadband lines coupled with the one or more remotely located DPUs and/or DSLAMs by virtualizing one or more functions of the one or more remotely located DPUs and/or DSLAMs to operate on the virtualized computing infrastructure; and a network interface to receive data and send control instructions for operation of the plurality of broadband lines to and from the one or more remotely located DPUs and/or DSLAMs. Other related embodiments are disclosed. |
| US10785052B2 |
Remote control with muscle sensor and alerting sensor
A remote control system detects a directional signal at an alerting sensor package; activates an appliance to accept a control signal in response to the directional signal; accepts the control signal at the appliance from a muscle sensor package; and adjusts operation of the appliance in response to the control signal. |
| US10785050B2 |
Multi-services gateway device at user premises
An application gateway including application service programming positioned at a user premises can provide voice controlled and managed services to a user and one or more endpoint devices associated with the application gateway. The application gateway can be controlled remotely by the application service provider through a service management center and configured to execute an application service provided from the application service provider. The application gateway can execute the application service at the user premises upon voice command by a user and independent of application services executing on the application service provider's network. An application service logic manager can communicate with an application service enforcement manager to verify that the request conforms with the policy and usage rules associated with the application service in order to authorize execution of the application service on the application gateway, either directly or through endpoint devices. |
| US10785049B2 |
Configuring a common automation system controller
A common automation system controller configured using a graphical approach for use in a building automation system is provided. There is an increasing demand for flexible and adaptable room or building automation applications with an easy and intuitive way for application configuration. In pre-engineering as well as during installation and commissioning, the application configuration for preloaded or loadable device needs to be easily changeable and can be used for operating and/or monitoring. |
| US10785046B1 |
Systems and methods for providing a collaboration work management platform that facilitates differentiation between users in an overarching group and one or more subsets of individual users
Systems and methods for providing a collaboration work management platform that facilitates differentiation between users in an overarching group and one or more subsets of individual users within the overarching group to enable the users within the individual subsets to use the collaboration work management platform differently users within the other subsets, the method being implemented by a computer system including one or more physical processors configured by machine-readable instructions are disclosed. Exemplary implementations may: manage environment state information for maintaining a collaboration environment. |
| US10785043B2 |
Load shedding system, communication method and access apparatus thereof
Provided are an accurate load shedding system, and a communication method and an access apparatus thereof. The access apparatus includes: two E1 interfaces, eight optical fiber interfaces, a CPU and an FPGA. The two E1 interfaces are respectively connected to a control apparatus A and a control apparatus B of a control substation. The eight optical fiber interfaces are respectively connected to eight control terminals. The FPGA includes eight optical fiber transceivers respectively connected to the eight optical fiber interfaces through serial interfaces, and two E1 transceivers respectively connected to the two E1 interfaces through serial interfaces. Each optical fiber transceiver includes a reset submodule. Each E1 transceiver also includes a reset submodule. The CPU is connected to the FPGA through a parallel bus. |
| US10785041B2 |
Method for providing a space puzzle
A method for providing a space puzzle includes computing, by a puzzle generating entity (PGE), a master secret key (MSK), a public key (PK), a random predicate (RP), and a secret key (SK) using the computed MSK and the computed RP; providing, by the PGE, a challenge comprising the PK and the SK to a proving computing entity; computing, by the proving computing entity, a response to the challenge using a size of the RP by computing a higher dimensional virtual structure; encrypting each row of the higher dimensional structure with the PK; decrypting the encrypted rows using the SK to obtain a decrypted predicate; recomputing the RP using the decrypted predicate and the higher dimensional virtual structure to provide a recomputed random predicate; and verifying the provided challenge by comparing the recomputed random predicate with the RP. |
| US10785035B1 |
Anti-replay attack authentication protocol
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for enhancing blockchain network security. Embodiments of this specification include receiving a transaction request from a client, wherein the transaction request includes a transaction requested to be recorded on a blockchain and a transaction hash calculated based on hashing the transaction; determining the transaction hash is not previously stored in a cache resource or the blockchain; storing the transaction hash in the cache resource; and executing the transaction request. |
| US10785031B2 |
Data encryption of a storage area
A method for encrypting data stored in a memory area is proposed, wherein the data are encrypted on the basis of a key identification for the data and on the basis of a one-time key. |
| US10785028B2 |
Protection of keys and sensitive data from attack within microprocessor architecture
A processor core that includes a token generator circuit is to execute a first instruction in response to initialization of a software program that requests access to protected data output by a cryptographic operation. To execute the first instruction, the processor core is to: retrieve a key that is to be used by the cryptographic operation; trigger the token generator circuit to generate an authorization token; cryptographically encode the key and the authorization token within a key handle; store the key handle in memory; and embed the authorization token within a cryptographic instruction that is to perform the cryptographic operation. The cryptographic instruction may be associated with a first logical compartment of the software program that is authorized access to the protected data. |
| US10785027B2 |
Systems and methods for accessing and controlling media stored remotely
In some embodiments, an apparatus includes a server that stores a set of media files. The server is configured to send an authentication code to a first communication device in response to a request from the first communication device to access the set of media files such that the first communication device can present the authentication code to a user. The server is configured to associate an identifier of a second communication device with the first communication device such that a user of the second communication device can authorize access to the set of media files from the first communication device by sending the authentication code to the server using the second communication device. |
| US10785021B1 |
User account authentication
Methods for authenticating a user account are generally described. In various examples, the methods may comprise performing a first handshake comprising sending authentication data to a first computing device. The authentication data may include a handshake identifier, a user token, and an encryption key. In some examples, the methods may further comprise storing the handshake identifier, the user token, and the encryption key in a database. The methods may further comprise receiving a request for verification of a transaction. The request may comprise the handshake identifier and an encrypted user token. The user token and the encryption key may be retrieved from the database based at least in part on the handshake identifier of the request. The encryption key may be used to decrypt the encrypted user token. A determination may be made that the decrypted user token matches the user token retrieved from the database. |
| US10785017B2 |
Mitigating timing attacks via dynamically scaled time dilation
Techniques for mitigating timing attacks via dynamically scaled time dilation are provided. According to one set of embodiments, a computer system can enable time dilation with respect to a program, where the time dilation causes the program to observe a dilated view of time relative to real time. Then, while the time dilation is enabled, the computer system can track a count of application programming interface (API) calls or callbacks made by a program within each of a series of time buckets and, based on counts tracked for a range of recent time buckets, scale up or scale down a degree of the time dilation. |
| US10785010B2 |
Wireless communications method and apparatus
A wireless communication method is provided. The method includes: determining, by a terminal device, a first coefficient, where the first coefficient belongs to a first coefficient set corresponding to a first transmission time interval TTI, the first coefficient set includes N coefficients, N≥2, and the N coefficients include at least two coefficients used for uplink transmission in the first TTI, or at least two coefficients used for downlink transmission in the first TTI; determining, by the terminal device, a first transport block size TBS based on the first coefficient; and performing, by the terminal device, wireless communication based on the first TBS in the first TTI. Reliability and accuracy of wireless communication can be improved. |
| US10785009B2 |
Reference signal transmission method and related device and system
A reference signal transmission method and a related device and system are disclosed. The method includes: determining, by a first base station, at least one target subframe on a target frequency band, where the target frequency band is a frequency band whose uplink and downlink transmission directions are configurable, and uplink-downlink timeslot configurations and/or transmission directions of the first base station and a neighboring second base station in the at least one target subframe are different; and sending, by the first base station, a first reference signal to first user equipment UE in the at least one target subframe, where the first UE is UE served by the first base station. When embodiments of the present invention are implemented, a reference signal can be transmitted on a flexible frequency band, thereby effectively reducing interference between reference signals between neighboring cells in a flexible duplex system. |
| US10785008B2 |
Determining one or more data modulation profiles for one or more devices
Described herein is a system and method for determining one or more data modulation profiles for one or more devices. The system and method described herein may measure signal quality, such as a modulation error ratio (MER), signal-to-noise ratio (SNR), receive power, transmit power, etc. Based on the signal quality, the system may determine one or more data modulation profile(s) (e.g., quadrature amplitude modulation (QAM) profiles) for a subcarrier, a plurality of subcarriers, a device, and/or a grouping of devices. |
| US10785007B2 |
Dynamic precoding of shared reference signals
A receiver apparatus receives a terminal-specific demodulation reference signal having a rank k and estimates an effective multi-layer channel response, using the received terminal-specific demodulation reference signal. The receiver demodulates first data symbols from first time-frequency resource elements, using the estimate of the effective multi-layer channel response and using a first symbols-to-virtual-antenna mapping matrix M to obtain nc modulation symbols from each of the first time-frequency resource elements, wherein nc>1 and wherein the first symbol-to-transmit-layer mapping matrix M has dimensions k by nc. The first data symbols are decoded to obtain downlink control information assigning second time-frequency resource elements to the receiver. The receiver demodulates second data symbols from the second time-frequency resource elements, using the estimate of the effective multi-layer channel response, to obtain nd modulation symbols from each of the second time-frequency resource elements, wherein 1 |
| US10785006B2 |
Method for transmitting or receiving signal in wireless communication system and apparatus therefor
A method for receiving downlink control information by a terminal in a wireless communication system according to an embodiment of the present invention may comprise the steps of: performing blind detection of a group-common physical downlink control channel (PDCCH) in a common search space (CSS) having a plurality of PDCCH candidates; and acquiring downlink control information (DCI) indicating a slot format from the group-common PDCCH acquired through the blind detection, wherein, in the blind detection of the group-common PDCCH, the terminal attempts to selectively detect the group-common PDCCH for only a PDCCH candidate at a predetermined position in the CSS having the plurality of PDCCH candidates. |
| US10785003B2 |
Systems and methods for adaptation in a wireless network
An embodiment method of network node operation includes indicating, by a first network node, to a first UE, a first number of REs in a first set of RBs for a first reference signal, transmitting, by the first network node, to the first UE, the first reference signal in accordance with the first number of REs and a first precoding in a first subframe, receiving, by the first network node, from the first UE, a report indicating a first MCS in accordance with a level of signal and interference measured by the first UE, wherein the measurement is restricted to the first reference signal, and transmitting, by the first network node, a first data with the indicated first MCS and the first precoding in a second subframe, the first data being transmitted on a second number of REs in the first set of RBs in the second subframe. |
| US10785001B2 |
Systems and methods for UE-specific beam management for high frequency wireless communication
A physical downlink shared channel (PDSCH) region of a subframe may include a reference signal (RS) section that includes one or more of a beam-scanning subsection, a transmit (TX) beam-tracking subsection, a receive (RX) beam-tracking subsection, and a channel state information (CSI) subsection. Reference signals in the TX beam-tracking subsection may be used to update TX analog beams. Reference signals in the RX beam-tracking subsection may be used to update RX analog beams. Reference signals in the beam-scanning subsection may be used to evaluate different combinations of TX and RX analog beams for use in a future directional data transmission. Reference signals in the CSI subsection may be transmitted over quasi-co-located (QCL) antenna ports, and may be used for purposes of channel estimation. |
| US10784999B2 |
Narrowband physical broadcast channel design on multiple anchor channels
Techniques and apparatuses described herein facilitate narrowband communication within the unlicensed frequency spectrum by simultaneously transmitting (e.g., in adjacent channels) a plurality of anchor channels. For example, a base station may simultaneously transmit at least three anchor channels of 180 kHz each so that the 500 kHz minimum bandwidth requirement is satisfied. Furthermore, the techniques and apparatuses described herein provide discovery reference signal (DRS) structures to cause the different types of DRS to be repeated and/or transmitted on different anchor channels, which improves frequency diversity. Also, a synchronization signal of the anchor channels may be used to indicate a configuration of the anchor channels. Thus, synchronization in the NB-IoT-unlicensed (NB-IoT-u) spectrum is enabled, and efficiency is improved over synchronization using a single anchor channel. |
| US10784998B2 |
Wireless communication in multi-rat system
A buffer status reporting scheme for a terminal (10) wishing to transmit data simultaneously in multiple RATs of a wireless communication network, which enables the co-ordination of multiple base stations (12, 14) of different RATs (e.g. LTE eNB, UMTS base station, WiFi access point, etc.) with the assistance of the terminal (10) in order to achieve efficient radio resource scheduling for multi-RAT multi-flow aggregation in uplink. A radio bearer is configured for multi-RAT multi-flow aggregation by the network, and multiple logical channel IDs are assigned to this RB that may be associated with different RATs. Logical channels associated with a certain RAT (or a given set of RATs) may be grouped into one logical channel group for radio resource scheduling reason. The terminal (10) performs buffer status reporting, according to the configuration, on all involved RATs and sends reports/indications to one or more involved base stations (12.14). |
| US10784994B2 |
Method for transmitting information for LTE-WLAN aggregation system and a device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting information for LTE-WLAN aggregation system, the method comprising: checking, by a Packet Data Convergence Protocol (PDCP) entity, whether a FCI transmission condition is met or not; and transmitting Flow Control Information (FCI) when the FCI transmission condition is met. |
| US10784991B2 |
Polar code construction for low-latency decoding and reduced false alarm rate with multiple formats
A transmitter may select a control message format of a set of possible control message formats, each of the possible control message formats corresponding to a different number of information bits. The transmitter may polar encode a payload in the selected control message format to generate and transmit a polar-encoded codeword, the payload having a same number of bits for any of the set of possible control message formats. A receiver may determine the set of possible control message formats for the polar-encoded codeword, and may decode the polar-encoded codeword to identify a candidate control message. The receiver may identify a control message format in the set of possible control message formats for the candidate control message based on multiple hypotheses corresponding to the different number of information bits, and may obtain control information from the candidate control message based on the identified control message format. |
| US10784989B2 |
Bit error correction for wireless retransmission communications systems
A system includes a transmitter configured to transmit an original packet. The system also includes a receiver comprising a processing device. The processing device is configured to receive a corrupted Bluetooth® packet of the original packet and at least one retransmitted packet of the original packet. The processing device is also configured to generate an accumulated packet based on the corrupted packet and the at least one retransmitted packet, and generate a decision packet for the original packet based on the accumulated packet. The processing device is further configured to verify the decision packet to determine whether the decision packet is correct. |
| US10784983B2 |
Assembly comprising a noise emitting element
An assembly of a standard RFID/NFC element and a scrambling element for outputting wireless noise in response to a wireless request signal from a terminal, such as NFC, RFID or the like. The scrambling element has a noise generating circuit and an antenna for receiving the request signal and outputting a voltage. The scrambling element further comprises a voltage increasing element receiving the voltage from the antenna and feeding a higher voltage to the circuit to have the circuit start operation faster than the circuit of the standard RFID/NFC element. |
| US10784982B2 |
Method and system for allocating wavelength channels in passive optical network, and optical line terminal
Provided are a method and system for allocating wavelength channels in a Passive Optical Network (PON), and an Optical Line Terminal (OLT). In the method, an OLT may acquire pre-set wavelength channel priority information and Optical Network Unit (ONU) priority information; and the wavelength channel priority information and the ONU priority information may be sent to each ONU to enable each ONU to selectively access a corresponding wavelength channel according to the wavelength channel priority information and the ONU priority information based on a pre-set rule. |
| US10784981B2 |
System for loading fiber optic transport systems for channel additions and deletions
A system for loading a fiber optic transport system includes a wavelength selective switch (WSS) having inputs and an output connected to an optical fiber, wherein the inputs are connected to one or more lines having data-bearing channels thereon; and an amplified spontaneous emission (ASE) generator connected to one of the inputs of the WSS, wherein the WSS is configured to perform a channel addition through substitution of an ASE channel from the ASE generator for a data-bearing channel, and a channel deletion through substitution of a data-bearing channel for an ASE channel from the ASE generator, and wherein, to limit perturbations on the optical fiber due to channel additions and deletions, the WSS is configured to limit a number of channels that are switched at a same time for a set of channel additions or deletions. |
| US10784975B1 |
Systems and methods for automatically tuning a radio system to a preferred channel
Computing devices are disclosed. For example, a computing device includes one or more processors and one or more databases. The computing device includes one or more non-transitory memory modules storing machine-readable instructions that, when executed, cause the one or more processors to: receive a plurality of event flags, wherein each event flag of the plurality of event flags is associated with a respective broadcasted audio signal of a plurality of broadcasted audio signals; compare the plurality of event flags to a user profile stored within the one or more databases, wherein the user profile comprises preference characteristics associated with a user; determine whether one or more event flags matches a set of preference characteristics of the user profile; and transmit a notification signal to a vehicle in response to the one or more event flags matching the set of preference characteristics of the user profile. |
| US10784973B2 |
Remotely testing operational components of a mobile device
Implementations of the disclosure provide for to remotely testing operational components of a mobile device. In one implementation, a method is provided. The method includes providing, by a server processing device, instructions to a mobile device for a user to interact with a component of the mobile device. Data associated with an operation of the component in view of the instructions is received. The received data is compared to a model input characterizing a functional level associated with the operation of the component. Thereupon, it is determined whether there is a depleted operation of the component in view of the comparison. |
| US10784967B2 |
Photonic radio-frequency receiver with mirror frequency suppression function
A photonic radio-frequency receiver with mirror frequency suppression function, in which a single modulator is utilized to form a photoelectric oscillator so as to generate high-quality and low-phase-noise optically generated local oscillators, without the need for an external local oscillator source, and at the same time, another radio-frequency port is used as a radio-frequency signal input port, thereby allowing a compact structure. By properly setting a bias point for the two-electrode modulator and orthogonally synthesizing two branches of intermediate frequency signals respectively generated by the upper and lower sideband beat frequencies of the modulated optical signal, the photonic radio-frequency receiver realizes the functions of receiving radio-frequency signals and suppressing mirror frequency signals. The present disclosure can realize a photonic mirror-frequency suppression receiver. |
| US10784960B2 |
Fiber delivered laser based white light source configured for communication
A packaged integrated white light source configured for illumination and communication or sensing comprises one or more laser diode devices. An output facet configured on the laser diode device outputs a laser beam of first electromagnetic radiation with a first peak wavelength. The first wavelength from the laser diode provides at least a first carrier channel for a data or sensing signal. |
| US10784958B2 |
Method and device of determining a time-of-flight of an optical signal between a starting point of an optical path and a reflection point within the optical path
The invention relates to a method of determining a time-of-flight of an optical signal between a starting point and a reflection point of an optical path, comprising: supplying to the path at least one optical probing signal; detecting an electrical return signal according to an optical return signal returning from the path in response to a corresponding one of the probing signals using direct detection; deriving at least one receive code sequence by sampling and slicing the return signal using a sampling rate corresponding to a bit rate of a sequence of pulses of the probing signal; determining a correlation function by correlating the transmit code sequence and the at least one receive code sequence; and identifying a main peak of the correlation function that corresponds to the reflection point and a time position of the peak, and determining the time-of-flight as the time position of the peak. |
| US10784956B2 |
Sparing configurations and protocols for parallel fiber optics
A transmitter can include: at least one primary laser emitter configured to emit primary laser light; at least one primary monitor photodiode optically coupled with the at least one primary laser emitter; and at least one spare laser emitter configured to emit spare laser light. Each spare laser emitter can be adjacent with a corresponding primary laser emitter such that a first primary laser emitter and a first spare laser emitter pair are directed through an optical system and out a common optical fiber. |
| US10784954B2 |
Dynamic satellite beam assignment
Embodiments provide techniques for dynamic spot beam assignment in a geostationary satellite communications network. For example, a ground processing node in the geostationary satellite network can monitor spot beam coverage area location and can detect a beam drift trigger indicating present drifting of one or more coverage areas. Ground terminals can be identified as serviced by spot beams associated with the drifting coverage area(s) and as experiencing a signal quality impact from the drifting. The ground terminal node can compute an update to a beam assignment map having a reassignment of the identified user terminals from their presently servicing spot beams to another of the spot beams in a manner that seeks to address at least some of the signal quality impact identified as associated with the drifting. Some embodiments further account for load balancing, and/or other factors, and/or can maintain stateful communications between the reassigned user terminals and the geostationary satellite. |
| US10784950B2 |
Method for performing beam failure recovery in wireless communication system and apparatus therefor
This specification provides a beam failure recovery method in a wireless communication system. In this specification, a beam failure recovery method performed by a UE includes: receiving, from a base station, control information related to a candidate beam configuration for the beam failure recovery; selecting an RS having a quality of the threshold or more among the RSs related to the candidate beam identification; and; transmitting, to the base station, a beam failure recovery request based on an uplink (UL) resource related to the selected RS. |
| US10784948B2 |
Apparatus and method for beam failure recovery
The disclosure relates to technology for identifying a user equipment beam index in a base station. The base station indicates one or more resources assigned to the user equipment within a beam failure random access channel (BRACH) resource, and transmits one or more synchronization signal block resources and one or more new beam identification reference signal resources to the user equipment. The base station then receives one of the resources from a group of the one or more resources within the BRACH resource assigned to the user equipment corresponding to the BRACH resource, and identifies a preferred beam index of the user equipment based on information in the BRACH resource and the received one of the resources. |
| US10784942B2 |
System and method for beamed reference signal with hybrid beam
Described is an apparatus of an Evolved Node-B (eNB). The apparatus may comprise a first circuitry, a second circuitry, and a third circuitry. The first circuitry may be operable to associate a first Beam Reference Signal (BRS) for a first Transmit (Tx) beam having a first beamwidth with one or more second BRSes for one or more respectively corresponding second Tx beams having a second beamwidth. The second circuitry may be operable to generate a first BRS transmission carrying the first BRS, and to generate one or more second BRS transmissions carrying the one or more respectively corresponding second BRSes. The third circuitry may be operable to provide information regarding the first BRS and the second BRSes to the second circuitry. |
| US10784941B2 |
Minimizing network planning using reference signal grouping
According to some embodiments, a method for use in a network node of transmitting reference signals in a wireless network using a plurality of beams comprises obtaining a node identifier for the network node. The node identifier is unique for neighboring network nodes within a particular coverage area of the wireless network. The method further comprises obtaining a group of reference signal sequences. The group comprises a subset of a pool of possible reference signal sequences for use in the wireless network. Each reference signal sequence is associated with a beam reference identifier. The method further comprises selecting a reference signal sequence from the obtained group: scrambling a reference signal transmission pattern using the obtained node identifier and the selected reference signal sequence with associated beam reference identifier; and transmitting the scrambled reference signal transmission pattern to a user equipment on one of the beams among the plurality of beams. |
| US10784940B2 |
5G platform-oriented node discovery method and system, and electronic device
A 5G platform-oriented node discovery method and system, and an electronic apparatus are provided. A macro eNB sends a measurement configuration parameter to a user equipment, determines a cooperation set and a main transmission point base on a measurement report, schedules resource in real-time through the cooperation set and the main transmission point; when the user equipment moves, transmits a modified measurement configuration parameter, and determines a new cooperation set and a target transmission point of the new cooperation set base on the measurement report, schedules resources in real-time through the new cooperation set and the target transmission point. |
| US10784939B2 |
Method and apparatus for calculating CQI in a wireless communication system
Disclosed in the present invention is a method for a user equipment reporting channel state information to a base station in a wireless communication system. The method for reporting CSI comprises the steps of: receiving, from the base station, a channel state information-reference signal (CSI-RS) defined by at least two antenna ports; estimating the rank of a downlink channel based on the CSI-RS; configuring a plurality of precoders corresponding to the estimated rank with at least two precoder groups; calculating a channel quality indicator under the assumption that the at least two precoder groups are rotationally applied to at least one resource block unit, wherein precoders included in the precoder groups rotationally applied to the at least one resource block unit is rotationally applied to at least one resource element unit; and reporting the CSI including the calculated CQI to the base station. |
| US10784933B2 |
Transmission device and transmission method
A transmission device comprising: a weighting circuitry which, in operation, generates transmission signals of n streams (n is an integer of 3 or more) by weighting modulated signals of the n streams using a predetermined fixed precoding matrix; a phase changing circuitry which, in operation, regularly changes each phase of a symbol series included in each of the transmission signals of the n streams; and a transmitter which, in operation, transmits the transmission signals of the n streams from different antennas, the phases of each of the transmission signals of the n streams being changed in each symbol, wherein the transmission signal of an i-th stream has an mi kind of phase change value yi(t) (i is an integer between 1 and n (inclusive), 0≤yi<2π, and mi is set in each stream, t is an integer of 0 or more, and indicates a symbol slot), and the phase changing circuitry changes the phase in one or more u (u=m1×m2× . . . ×mn) symbol periods using all patterns of a set of phase change values yi(t) different from each other in each symbol. |
| US10784930B2 |
Systems and methods for dynamic inter-sector MIMO transmission
A system includes a first antenna array, and a sector scheduler. The sector scheduler determines if a number of transmit antennas of the first antenna array, that serves a location of a user equipment (UE), is less than a maximum multiple-input, multiple-output (MIMO) capability of the UE. The sector scheduler causes data to be transmitted to the UE via one or more transmit antennas of the first antenna array and at least one transmit antenna associated with a second antenna array of a selected adjacent sector based on the number of transmit antennas of the first antenna array being less than the maximum MIMO capability of the UE. |
| US10784928B2 |
Rotary data coupler
Various examples are directed to a rotary coupler and methods of use thereof. The rotary data coupler may comprise a transmitter and receiver. The transmitter may comprise a first band and a second transmitter band. The receiver may comprise a receiver housing positioned to rotate relative to the first transmitter band and the second transmitter band. A first receiver band may be positioned opposite the first transmitter band to form a first capacitor and a second receiver band may be positioned opposite the second transmitter band to form a second capacitor. The receiver may also comprise a resistance electrically coupled between the first receiver band and the second receiver band and a differential amplifier. The differential amplifier may comprise an inverting input and a non-inverting input, with the non-inverting input electrically coupled to the first receiver band and the inverting input electrically coupled to the second receiver band. |
| US10784919B2 |
Adaptation circuit for a transceiver
Examples provide an adaptation circuit and apparatus, method and computer programs for adapting, fabricating and operating, a radio transceiver, a mobile transceiver, a base station transceiver and storage for computer programs or instructions. The adaptation circuit (10) is configured to adapt a local oscillator signal in a radio transceiver (30). The radio transceiver (30) comprises a transmission branch (14) and a reception branch (16), which are subject to cross-talk. The reception branch (16) comprises a local oscillator (18) configured to generate the local oscillator signal. The adaptation circuit (10) comprises a control module (12) configured to determine crosstalk level information between the transmission branch (14) and the reception branch (16), and to adapt the local oscillator signal based on the crosstalk level information. |
| US10784917B2 |
PSI5 base current sampling in synchronous mode
Multiple sensors are coupled to a first pin of a PSI5 transceiver to receive a sensor bus signal. A Manchester decoder is coupled to a second pin and a battery is coupled to a third pin. A comparator receives a first voltage that is proportional to a current on the sensor bus signal and a second voltage that is proportional to a base current on the sensor bus signal and sends a data output signal to the second pin. A sample-and-hold circuit captures a third voltage used to effect the second voltage responsive to a high value on a base current sampling signal. A base-current-renewal circuit detects edge transitions on the data output signal and when the data output signal has no edge transitions for a period of time greater than a gap time defined in a PSI5 standard, sets the base current sampling signal high. |
| US10784916B2 |
Mobile device cover for use with a host mobile device
A mobile device cover for use with a host mobile device includes a front frame, a middle frame, and a back frame. The back frame includes a plate or portion that can be removed and interchanged with a second plate or portion. The second plate or portion can be designed to look different and to provide different functionality. For example, the plate or portion of the back frame can be replaced with the second interchangeable plate or portion to provide a screen that can be used by one or both of the mobile device cover and the host mobile device. |
| US10784915B2 |
Compression sleeve carrying system for mobile electronic devices
A compression sleeve carrying system for mobile electronic devices such as cell phones that are between 3.5 inches wide and 6.5 inches long, with or without an additionally attached phone case. The carrying sleeve has a pocket for key, credit card, and money storage. The sleeve employs an elastic system that connects four corner brackets in which each corner of the phone sits in. Elastic weaves through the corner brackets and through the a patch system. The patch system is attached to a stretchable fabric under the brackets and the patch system is sewn into the arm sleeve to prevent sweat from getting to the phone. The phone retention space stretches based off of the size of the phone and the brackets have a 0.5 inch space that fits both cell phones or other cell phone size and devices. |
| US10784913B2 |
Antenna for wearable electronic devices
A wearable electronic device includes a first member and a second member. The second member includes a first, RF-attenuating, portion and a second, electrically conductive portion. A gap exists between the first member and at least the second portion of the second member. One or more transmitter/receivers, such as one or more BLUETOOTH®, BLUETOOTH® low energy, and/or IEEE 802.11 transceivers may be mounted in the first member. The one or more transmitter/receivers are conductively coupled to the second portion of the second member. RF signals generated by the one or more transceivers are emitted from the second portion of the second member. |
| US10784912B2 |
Wireless communication device
The invention relates to a wireless communication device 1 having an upper part 10 and a bottom part 11, the upper part 10 comprising one or more transmission antenna device(s) 12a, 12b; 15. The upper part 10 and the bottom part 11 are arranged movably in relation to each other, so that the bottom part 11, in use mode, is closer to the user than the upper part 10. The bottom part 11 comprises one or more reception antenna device(s) 14a, 14b, 14c, 14d. |
| US10784909B2 |
Receiver and non-transitory computer readable medium storing program
A receiver and a program capable of, when they have received a pulse noise together with a reception signal, improving quality of the reception signal are provided. A receiver according to the present disclosure includes a received-signal amplification circuit configured to amplify a monitoring received signal branched from a received signal, a gain control circuit configured to set a gain setting value for an AGC operation in the received-signal amplification circuit, the AGC operation being an operation for making an amplitude of an amplified monitoring received signal fall within a predetermined range, a pulse detection circuit configured to monitor a change in the gain setting value and detect whether or not a pulse noise is contained in the received signal based on whether or not the change in the gain setting value meets a predetermined condition. |
| US10784908B2 |
Spur reduction circuit and apparatus, radio transceiver, mobile terminal, method and computer program for spur reduction
Examples provide a spur reduction circuit and a spur reduction apparatus, a radio transceiver, a mobile terminal, a method and a computer program for spur reduction. The spur reduction circuit (10) is configured to reduce spur interference in a baseband radio signal, d(n), n indexing samples and comprises at least one input (12) for the baseband radio signal, d(n), and information on at least one spur frequency, ω(n). The spur reduction circuit further comprises an adaptive filter (14) configured to filter the baseband radio signal, d(n), to obtain a baseband radio signal with reduced spur interference, e(n). The adaptive filter (14) is further configured to filter the baseband radio signal, d(n), based on at least one filter coefficient, w(n), and based on the information on the at least one spur frequency, ω(n). The spur reduction circuit (10) further comprises an update module (16) configured to adapt the at least one filter coefficient, w(n), based on the baseband radio signal with reduced spur interference e(n). The spur reduction circuit (10) further comprises at least one output (18) for the baseband signal with reduced spur interference e(n). |
| US10784907B2 |
Apparatus to detect interference in wireless signals
An apparatus to detect interference in wireless signals, comprising an antenna for receiving a wireless signal; and wherein the apparatus is operable to identify a dominant waveform in the received signal; subtract the dominant waveform from the received signal to create a modified received signal; and repeat the above steps, recursively substituting the modified received signal for the received signal, until all adjusted reference waveforms have been subtracted. |
| US10784906B2 |
Transmitting device, transmitting method, and communication system
A transmitting device of the present disclosure include: a first driver that includes a first sub-driver unit which operates on a basis of a first control signal and a second sub-driver unit which operates on a basis of, of the first control signal and a second control signal, a signal selected through a first selecting operation, and is configured to be able to set a voltage at a first output terminal; and a controller that controls the first selecting operation. |
| US10784904B2 |
Transceiver configuration for millimeter wave wireless communications
Methods, systems, and devices are described for transceiver architecture for millimeter wave wireless communications. A device may include two transceiver chip modules configured to communicate in different frequency ranges. The first transceiver chip module may include a baseband sub-module, a first radio frequency front end (RFFE) component and associated antenna array. The second transceiver chip module may include a second RFFE component and associated antenna array. The second transceiver chip module may be separate from the first transceiver chip module. The second transceiver chip module may be electrically coupled to the baseband sub-module of the first transceiver chip module. |
| US10784897B2 |
Deinterleaver
A method, apparatus, and system for a deinterleaver. |
| US10784893B2 |
Method and apparatus for low density parity check channel coding in wireless communication system
A low density parity check (LDPC) channel encoding method for use in a wireless communications system includes a communication device encoding an input bit sequence by using a LDPC matrix to obtain an encoded bit sequence for transmission. The LDPC matrix is obtained based on a lifting factor Z and a base matrix. The encoding method can be used in various communications systems including the fifth generation (5G) telecommunication systems, and can support various encoding requirements for information bit sequences with different code lengths. |
| US10784892B1 |
High throughput hardware unit providing efficient lossless data compression in convolution neural networks
An apparatus includes a first memory interface circuit and a decompression circuit coupled to the first memory interface circuit. The decompression circuit may be configured to (i) receive a reduced size representation of a coding block of data comprising a first bit map, a second bit map, and zero or more non-zero values from an external memory via the first memory interface circuit, (ii) losslessly restore the coding block of data from the reduced size representation of the coding block using the first bit map, the second bit map, and the zero or more non-zero values, and (iii) transfer the restored coding block of data to a processing circuit. |
| US10784888B2 |
Use of differently delayed feedback to suppress metastability in noise shaping control loops
Described herein is a ΣΔ modulator with improved metastability in which the control loop remains stable. In one embodiment, the ΣΔ modulator utilizes differently delayed feedback to successive integrators of the control loop to suppress metastability errors without compromising the stability of the control loop. This is accomplished by including one or more quantizers in the control loop. This technique may be applied to control loops of at least second order, i.e., having two or more integrator stages, where at least one feedback term after the first is non-zero. |
| US10784885B2 |
Semiconductor device and electronic device
A semiconductor device in which an increase of circuit area is prevented is provided. A semiconductor device including a control circuit with a plurality of scan chain circuits, a DA converter electrically connected to the control circuit, and a plurality of potential holding units electrically connected to the DA converter is provided. The plurality of potential holding units each include a transistor including an oxide semiconductor in a channel formation region and a capacitor electrically connected to the transistor. In accordance with digital data held in any one of the plurality of scan chain circuits, an output potential output from the DA converter is held in any one of the plurality of potential holding units. |
| US10784883B1 |
Noise shaping analog-to-digital converter
In certain aspects, an analog-to-digital converter includes a first capacitive digital-to-analog converter (DAC), a second capacitive DAC, and a comparator including a first input, a second input, and an output. The analog-to-digital converter also includes a switch circuit including a first input coupled to the first capacitive DAC, a second input coupled to the second capacitive DAC, a first output coupled to the first input of the comparator, and a second output coupled to the second input of the comparator. The analog-to-digital converter further includes a first switch coupled between the output of the comparator and the first input of the comparator, and a successive approximation register (SAR) coupled to the output of the comparator, the first capacitive DAC, and the second capacitive DAC. |
| US10784877B2 |
Extended period timer circuits for ophthalmic devices
Programmable timer circuits are disclosed. One timer circuit may include a reference circuit configured to generate a bias current, a current controlled oscillator configured to receive the bias current c, and a frequency divider network configured to divide an output of the oscillator. The timer circuit may be capable of timing for 24 hour period, while using less than 5nA of quiescent current. |
| US10784873B1 |
Square wave-to-sine wave converter
A circuit includes a bandpass filter and a self-tracking circuit. The bandpass filter has a first input node configured to receive an input square wave signal and an output node configured to provide an output sine wave signal. The bandpass filter includes a first binary-weighted programmable resistor array. The self-tracking circuit includes a second input node coupled to the output node. The self-tracking circuit includes a counter, and the counter includes an output node coupled to the first binary weighted programmable resistor array. |
| US10784872B1 |
Fractional realignment techniques for PLLs
Systems, methods, and devices for fractional realignment are disclosed herein. A feedback divider generates a feedback dividing clock signal based on a controlling oscillator frequency. A delta-sigma modulator is coupled to the feedback divider and generates a dividing ratio to the feedback divider. An accumulating phase adjustor is coupled to the delta-sigma modulator and (i) determines a difference between a frequency tuning word (FCW) and the dividing ratio and (ii) generates a coarse tuning word and a fine tuning word. A digital-to-time converter (DTC) is coupled to the accumulating phase adjustor and generates a first clock frequency based on a reference clock frequency, the coarse tuning word and the fine tuning word. A realignment pulse generator is coupled to the DTC and generates a realignment clock based on the first clock frequency having a period that is the same as a period of the controlling oscillator frequency. |
| US10784871B1 |
Clocking architecture for DVFS with low-frequency DLL locking
A circuit and corresponding method for dynamic voltage frequency scaling (DVFS) on a chip employ a delay-locked loop (DLL)-based clocking architecture. The circuit comprises a DLL including a fixed delay line path, with a first insertion delay, and variable delay line path, with a second insertion delay, and a clock generator. The clock generator is configured to source a DLL input clock to the fixed and variable delay line paths at a start-up frequency prior to a run-time frequency. The start-up frequency is lower relative to a target frequency for the chip. The run-time frequency is configured based on DVFS, following release of the chip from reset. The chip is configured to be released from reset with the DLL locked at the start-up frequency, enabling the second insertion delay to match the first insertion delay with the DLL locked at the start-up frequency. |
| US10784868B1 |
Low power logic circuitry
A combinational logic circuit includes input circuitry to receive a first input signal that transitions between upper and lower voltages of a first voltage domain, and to generate, in response to the transitions of the first input signal, a first localized signal that transitions between upper and lower voltages of a second voltage domain. The combinational logic circuit additionally includes output circuitry to generate a first output signal that transitions between the upper and lower supply voltages of the first voltage domain based at least in part on the transitions of the first localized signal. |
| US10784867B1 |
Supply difference controlled cross-coupled level shifting circuit
A level shifting circuit for a voltage level translator includes first and second cross-coupled level shifters, each coupled between an output supply voltage and a lower rail and further coupled to receive first and second input control signals and to provide an output control signal. The second cross-coupled level shifter includes a first PMOS transistor coupled in series with a first NMOS transistor and a second PMOS transistor coupled in series with a second NMOS transistor. When an input supply voltage is less than a VCCI trigger associated with the output supply voltage, only the first and second NMOS transistors are coupled to contribute to the output control signal and when the input supply voltage is equal to or greater than the VCCI trigger, only the first and second PMOS transistors are coupled to contribute to the output control signal. |
| US10784864B1 |
Low power integrated clock gating system and method
According to one general aspect, an apparatus may include a latch circuit configured to, depending in part upon a state or at least one enable signal, pass a clock signal to an output signal. The latch circuit may include an input stage controlled by the clock signal and the enable signal(s). The latch may include an output stage configured to produce the output signal. The input and output stages may share a common transistor controlled by the clock signal. |
| US10784858B2 |
Driver circuit, corresponding system and method
A driver circuit includes a supply node, a control node configured to receive a control signal, and an output node. An output transistor is coupled to the output node to provide the CAN bus drive signal via the current path through the output transistor. A current mirror is in a current line from the supply node to the output node through the output transistor. The current line includes an intermediate portion between the current mirror and the output transistor. The current mirror is configured to be switched, as a function of the control signal between a first, dominant mode, with the CAN bus drive signal applied to the output node via the output transistor, and a second, recessive mode, with the output transistor providing a high output impedance at the output node. |
| US10784856B2 |
Semiconductor device
A semiconductor device includes a first drive circuit and a bootstrap control circuit. When a voltage VB is equal to or smaller than a power supply voltage VCC, the boost control circuit turns on a MOSFET by controlling a gate signal input to a gate terminal, and a back gate control circuit makes a voltage applied to a back gate terminal smaller than the voltage VB. |
| US10784853B2 |
Semiconductor device having a bidirectional switch and a passive electrical network
A device includes a semiconductor body having an active region and a substrate region that is beneath the active region. A bidirectional switch is formed in the semiconductor body having first and second gate structures that are configured to block voltage across two polarities as between first and second input-output terminals that are in ohmic contact with the electrically conductive channel. First and second switching devices are configured to electrically connect the substrate region to the first and second input-output terminals, respectively. A passive electrical network includes a first capacitance connected between a control terminal of the first switching device and the second input-output terminal and a second capacitance connected between a control terminal of the second switching device and the first input-output terminal. The passive electrical network is configured temporarily electrically connect the substrate region to the first and second input-output terminal at different voltage conditions. |
| US10784847B1 |
Duty cycle correction circuit
A duty cycle correction circuit includes a duty cycle adjuster that is configured to receive first and second differential input signals having first and second duty cycles, respectively, that are distorted with respect to a reference duty cycle. The duty cycle adjuster is further configured to iteratively adjust the first and second duty cycles to generate first and second differential output signals having third and fourth duty cycles that are within a predefined range of the reference duty cycle, respectively. During each iteration, the duty cycle adjuster adjusts the first and second duty cycles based on correction bits that are generated based on a duty cycle detection signal that indicates whether the third duty cycle is greater than or less than the fourth duty cycle, and a lock signal that is activated when the duty cycle detection signal toggles from one logic state to another. |
| US10784833B2 |
Lamb acoustic wave resonator and filter with self-aligned cavity via
A method for forming a lamb acoustic wave resonator and filter and the resulting device are provided. Embodiments include forming a sacrificial layer over a substrate; forming a first electrode over the sacrificial layer; forming a piezoelectric thin film over the first electrode; forming a second electrode over the piezoelectric thin film; forming a hardmask over the second electrode; etching through the hardmask and the second electrode down to the piezoelectric thin film forming self-aligned vias; forming and patterning a photoresist layer over the self-aligned vias; etching through the photoresist layer forming cavities extending through the vias and to the sacrificial layer; and removing the sacrificial layer forming a cavity gap under the cavities and first metal electrode. |
| US10784832B2 |
Film bulk acoustic resonator and method of fabrication same
A film bulk acoustic resonator (FBAR) and a method of fabricating the FBAR are disclosed. In the method, formation of several mutually overlapped and hence connected sacrificial material layers above and under a resonator sheet facilitates the removal of the sacrificial material layers. Cavities left after the removal overlap at a polygonal area with non-parallel sides. This reduces the likelihood of boundary reflections of transverse parasitic waves causing standing wave resonance in the FBAR, thereby enhancing its performance in parasitic wave crosstalk. Further, according to the invention, the FBAR is enabled to be integrated with CMOS circuitry and hence exhibits higher reliability. |
| US10784828B2 |
Methods and apparatus for an operational amplifier with a variable gain-bandwidth product
Various embodiments of the present technology comprise a method and apparatus for an operational amplifier with a variable gain-bandwidth product. According to various embodiments, an amplifier circuit comprising the operational amplifier operates in multiple stages and provides a low gain-bandwidth and a high gain-bandwidth. |
| US10784826B2 |
Bias sequencing and switching circuit
The present disclosure provide a device, system, and method for generating, in an electrical device, a 1 bit or a 0 bit that is received in a switching circuit powered by a battery. The device, system, and method generates, in the switching circuit, a negative bias voltage and a positive bias voltage. The device, system, and method transmits the negative bias voltage and the positive bias voltage to a power amplifier. The device, system, and method turns the power amplifier from an off-state to an on-state in response to receiving the negative bias voltage. The device, system, and method amplifies, with the power amplifier, a power signal moving through power amplifier when the amplifier is in the on-state. |
| US10784825B2 |
RF power amplifier with frequency selective impedance matching network
An amplifier circuit includes an input port, an output port, and a reference potential port, an RF amplifier device having an input terminal electrically coupled to the input port, an output terminal electrically coupled to the output port, and a reference potential terminal electrically coupled to the reference potential port. An impedance matching network is electrically connected to the output terminal, the reference potential port, and the output port. The impedance matching network includes a reactive efficiency optimization circuit that forms a parallel resonant circuit with a characteristic output impedance of the peaking amplifier at a center frequency of the fundamental frequency range. The impedance matching network includes a reactive frequency selective circuit that negates a phase shift of the RF signal in phase at the center frequency and exhibits a linear transfer characteristic in a baseband frequency range. |
| US10784819B2 |
Apparatus and methods for power amplifiers with positive envelope feedback
Apparatus and methods for power amplifiers with positive envelope feedback are provided herein. In certain implementations, a power amplifier system includes a power amplification stage that amplifies a radio frequency signal, at least one envelope detector that generates one or more detection signals indicating an output signal envelope of the power amplification stage, and a wideband feedback circuit that provides positive envelope feedback to a bias of the power amplification stage based on the one or more detection signals. The power amplifier system further includes a supply modulator that controls a voltage level of a supply voltage of the power amplification stage based on the one or more detection signals such that the supply voltage is modulated with the output signal envelope through positive envelope feedback. |
| US10784817B2 |
Oscillator, electronic apparatus and vehicle
Provided is an oscillator including a resonator which includes a resonator element and a resonator element container accommodating the resonator element, an integrated circuit element which includes an inductor, and a nonconductive spacer member, in which the resonator and the integrated circuit element are stacked above each other, the resonator has a metal member, and the spacer member is provided between the resonator and the integrated circuit element. |
| US10784816B2 |
Electrical and mechanical roof underlayment
The invention is an electrical and mechanical roof underlayment which provides electrical and mechanical connection of solar shingles to a roof. The underlayment simplifies the installation of solar shingles allowing the shingles to be installed and connected together in the same step. The underlayment includes a membrane which has embedded electrical conductors and electrical connectors that provides an electrical connecting system extending to an electrical circuit. The membrane further has embedded mechanical members with mechanical connectors that secure the shingles to the membrane. The membrane is structurally attached to a roof surface. The structural attachment may be an adhesive attachment. Solar shingles are connected to the membrane by an integral clasping mechanism that mechanically and electrically connects the shingles to the membrane. No external wiring, connectors or devices are required to make the electrical connection between the shingles and the membrane. Contacts are integral and embedded into each individual shingle. |
| US10784814B2 |
Support apparatus for photovoltaic module and photovoltaic system
A support apparatus for a photovoltaic module and a photovoltaic system are provided. The support apparatus for a photovoltaic module is to be arranged on a water surface, and includes: a support body for mounting the photovoltaic module; and a floating body connected to the support body and configured to provide buoyancy for the support apparatus. A connection function for providing connection with the photovoltaic module and a buoyancy function for providing the buoyancy are separated. The support body having the connection function may be used for providing only connection with the photovoltaic module and not for providing buoyancy. In manufacturing and installation processes, it is unnecessary for the support body to be watertight, thus the manufacturing process of the support body may be greatly simplified, and the manufacturing cost can be reduced. |
| US10784812B2 |
Power grid photo-voltaic integration using distributed energy storage and management
Distributed energy storage within the distribution network of an electric power network at least partially supplied by time varying and unpredictable generation sources provides smoothing of energy flow within the distribution network. The distributed energy storage may include a plurality of distributed energy storage units operating under the control of a single controller or regional controllers. The distributed energy storage units may operate as groups of units or as separate units. |
| US10784810B1 |
Motor controller with accurate current measurement
A motor control system for reducing or eliminating current ripple error during current sampling comprises a motor having a plurality of phase coils, a motor driver circuit having a plurality of switches coupled to the plurality of phase coils to drive current through the phase coils, and a motor controller circuit configured to provide a plurality of output control signals coupled to the plurality of switches. A phase circuit modifies a first output control signal to produce a modified control signal that is out of phase with a second output control signal. A current measuring circuit is included to measure a current through the motor by measuring the current during a first time period when the first output control signal is active and measuring the current during a second time period when the modified control signal is active. |
| US10784809B2 |
Linear motor system and compressor
Controllability of a linear motor or a compressor is improved. There is provided a linear motor system that includes: an armature having magnetic poles and winding wires; a mover having a permanent magnet; and a power conversion unit that outputs AC power to the winding wires, in which the mover and the armature are relatively movable, and the mover or the armature is connected to an elastic body. The linear motor system further includes: a position detection unit that detects and outputs the position of the mover with respect to the armature, a position estimation, or a current detection unit that outputs the value of current flowing through the winding wires; and a control unit that controls the output of the power conversion unit on the basis of the output of the position detection unit, the output of the position estimation unit, or the output of the current detection unit. In the case where a signal having a frequency substantially the same as the frequency of the AC power is applied to the output of the position detection unit, to the output of the position estimation unit, or to the output of the current detection unit, the control unit changes the frequency of the AC power, and in the case where a signal having a frequency substantially larger than the frequency of the AC power is applied, the control unit keeps the frequency of the AC power substantially the same. |
| US10784807B2 |
Methods and systems for controlling an electrical machine
A method and a parameter estimation system are provided for controlling an electrical machine, (e.g., an induction motor), powered by a drive unit. The method and the parameter estimation system disclosed herein detect a travelling wave generated on a linking element disposed between a first connection point, which is at least one terminal of the electrical machine, and a second connection point, which is at least one terminal of the drive unit. Further, the method and the parameter estimation system disclosed herein obtain at least one of a plurality of wave characteristics associated with the travelling wave, (e.g., an amplitude, a width, a frequency, a travel time of the travelling wave). Further, the method and the parameter estimation system disclosed herein determine one or more control parameters, (e.g., an operational torque and speed), of the electrical machine based on at least one of the wave characteristics. |
| US10784804B2 |
Magnetization state control method and magnetization state control device
A magnetization state control method for a variable magnetization machine, the method includes generating a flux linkage vector while changing a magnetization state of the variable magnetization machine such that a trajectory of the flux linkage vector has a curved clockwise trajectory on a dq-axis plane and a magnitude of the flux linkage vector temporally changes, with the dq-axis plane being a synchronous reference frame with a d-axis pointing in a direction of a permanent magnet flux and a q-axis being 90 degrees ahead of the d-axis in a rotational direction of a rotor. |
| US10784803B2 |
Position control device
A position control device includes a subtracter for subtracting a q-axis current detection value iq from a q-axis current command value iq* to output a q-axis current error Δiq, an adder for adding a q-axis current compensation amount iqc* for compensating for response timing of q-axis current to the q-axis current error Δiq, a q-axis current controller for amplifying an output of the adder by I-P control to calculate a q-axis voltage error Δvq and calculating a q-axis voltage command value vq* on the basis of the q-axis voltage error Δvq, and a second adder for adding a q-axis voltage feedforward amount vqf corresponding to a time derivative value s·iq of the q-axis current to the q-axis voltage command value vq* to calculate a final q-axis voltage command value. |
| US10784802B2 |
Generator starter of a turbomachine with asynchronous multi-winding electric machine
A generator starter of a turbomachine, including an asynchronous electric machine configured so as to operate in motor mode during a starting phase of the turbomachine while being supplied by an electrical source, and so as to operate in generator mode after the starting phase of the turbomachine in order to supply an electrical load. An inverter is arranged between the electrical source and the asynchronous machine with at least two alternating current terminals coupled to the asynchronous machine, and a control unit for the inverter configured to supply the asynchronous machine with a starting current in motor mode and a magnetisation current in generator mode. The asynchronous machine includes at least one first stator winding connected to the alternating current terminals to be supplied with the starting current in motor mode and with the magnetisation current in generator mode, and at least one second stator winding connected to the electrical load in generator mode. |
| US10784795B1 |
Conversion circuit
A conversion circuit includes a main device, a voltage control circuit and a trigger circuit. An output terminal of the voltage control circuit is electrically connected to a control terminal of the main device. The voltage control circuit is configured to output a driving signal having a first voltage level to the main device. The trigger circuit comprises an output terminal and a sense terminal. The output terminal of the trigger circuit is electrically connected to the control terminal of the voltage control circuit, and the sense terminal of the trigger circuit is electrically connected to the control terminal of the main device. |
| US10784794B2 |
GaN FET gate driver for self-oscillating converters
A power converter in which two power FETs are provided in a full bridge arrangement with two diodes for supplying a rectified voltage to a load. The gates of the power FETs receive alternating and opposite voltage waveforms such that the power FETs conduct oppositely to each other. A turn-off FET is connected to the gate of each power FET to prevent spurious turn on of the power FET during periods in which the opposite power FET is turned on. A voltage sense FET is also connected to the gate of each power FET to limit the gate voltage of the power FET. The voltage sense FETs are each synchronously modulated with the corresponding power FET to limit the gate to source voltage of the voltage sense FET when the corresponding turn-off FET is on and the corresponding power FET is off. |
| US10784790B1 |
Resonant conversion apparatus with extended hold-up time and method of operating the same
A resonant conversion apparatus with extended hold-up time includes a resonant conversion unit, a time-extended unit, and a control unit. The resonant conversion unit includes a primary side, a transformer unit, and a secondary side. The time-extended unit includes a coil and a bridge arm assembly. When a switching frequency of the primary side is less than a critical frequency, the control unit controls the bridge arm assembly being switched on or switched off so that an output voltage of the resonant conversion apparatus is higher than a predetermined voltage within a hold-up time. |
| US10784789B1 |
Switched mode power supply with multi-mode operation and method therefor
In one form, a method for generating a drive signal for a switch in a switched mode power supply includes receiving a feedback signal, generating a feedback voltage in response to the feedback signal, modulating a pulse width of the drive signal in response to the feedback voltage and a mode signal, generating a modulate signal in response to a magnitude of the feedback voltage crossing a first level in a first direction, generating the mode signal in response to the magnitude of the feedback voltage crossing a second level different from the first level in a second direction, and varying a gain between the feedback signal and the feedback voltage in response to the mode signal. |
| US10784788B2 |
Reactor and DC-DC converter using same
An object of the present invention is to provide a small-sized and highly heat-dissipative reactor and a DC-DC converter using the reactor. A reactor according to the present invention includes a plate bus bar, a core, and a heat sink. The core includes a middle leg portion. The heat sink cools the plate bus bar. The plate bus bar is formed such that a winding axis of a winding including the plate bus bar passes through the middle leg portion. A main surface of the plate bus bar is disposed in parallel with a direction of the winding axis and thermally connected to the heat sink via an insulating layer. |
| US10784787B2 |
Control circuit for half-bridge diodes
A circuit includes a first field-effect transistor and a second field-effect transistor. The first field-effect transistor includes a first diode with drain, source, gate and first additional electrodes. The second field-effect transistor includes a second diode with drain, source, gate and second additional electrodes. A first switch selectively connects the gate and drain electrodes of the first field-effect transistor. A second switch selectively connects the gate and drain electrodes of the second field-effect transistor. A control circuit controls the first and second switches. The first additional electrode is coupled to the gate electrode of the second field-effect transistor, and the second additional electrode is coupled to the gate electrode of the first field-effect transistor. |
| US10784786B2 |
PSFB converter and methods for controlling a PSFB converter
A method for controlling a PSFB converter, an apparatus, and a storage medium are disclosed, and relate to the field of power supply technologies. The method includes: controlling, by a control circuit after controlling a first clock and a second clock to operate in a first state for a time period, the first clock and the second clock to switch to a second state, where when the first clock and the second clock operate in the first state, the first bridge arm is a leading bridge arm, and the second bridge arm is a lagging bridge arm, and when the first clock and the second clock operate in the second state, the first bridge arm is a lagging bridge arm, and the second bridge arm is a leading bridge arm. |
| US10784785B2 |
Monitoring SMPS power switch voltage via switch drain source capacitance
A switch-mode power supply includes a power transistor, a transformer, and detection circuitry. The transformer includes a primary winding that is coupled to a drain terminal of the power transistor. The detection circuitry is coupled to a source terminal of the power transistor. The detection circuitry is operable to monitor signal present on the drain terminal via parasitic drain-source capacitance of the power transistor while the power transistor is switched off, and to detect demagnetization of a secondary winding of the transformer via the monitored signal. |
| US10784784B2 |
DC-DC converter with dynamic feedback loop
A power supply includes a controller integrated circuit that controls a switching operation of a primary switch based on a feedback voltage indicative of an output voltage of the power supply. The controller integrated circuit starts the switching of the primary switch when the feedback voltage reaches a first threshold voltage and stops the switching of the primary switch when the feedback voltage reaches a second threshold voltage. The controller integrated circuit adjusts the feedback voltage relative to the first threshold voltage to reduce the delay time to start switching the primary switch to increase the output voltage in response to changing load conditions. |
| US10784781B2 |
Transistor having asymmetric threshold voltage, buck converter and method of forming semiconductor device
A transistor includes a gate structure over a substrate, wherein the substrate includes a channel region under the gate structure. The transistor further includes a source in the substrate adjacent a first side of the gate structure. The transistor further includes a drain in the substrate adjacent a second side of the gate structure, wherein the second side of the gate structure is opposite the first side of the gate structure. The transistor further includes a first lightly doped drain (LDD) region adjacent the source. The transistor further includes a second LDD region adjacent the drain. The transistor further includes a doping extension region adjacent the first LDD region. |
| US10784777B2 |
Output current boosting of capacitor-drop power supplies
A capacitor-drop power supply includes a rectifier and a switched capacitor converter coupled to the rectifier. The rectifier is configured to receive an alternating current (AC) signal at an AC voltage and convert the AC signal into a rectified direct current (DC) signal at a rectified voltage. The switched capacitor converter is configured to receive the rectified DC signal and generate a converter output signal at a converter voltage that is proportional to the rectified voltage and that is less than the AC voltage. |
| US10784772B2 |
Switching power supply
A switching power supply that has a reduced conduction loss, when a direct current power supply is connected as an input power supply, by changing a part of a circuit for alternating current-to-direct current conversion, is provided. The switching power supply includes power input terminals to which the direct current power supply or an alternating current power supply is connected; power output terminals configured to output electric power; a smoothing capacitor connected between the power output terminals; a first non-insulated chopper circuit connected between the power output terminals; a second non-insulated chopper circuit connected between the power output terminals; and a switching circuit configured to switch a connection circuit provided between the first non-insulated chopper circuit and the second non-insulated chopper circuit, and the power input terminals. |
| US10784771B2 |
Multiphase power supply and distributed phase control
A power converter circuit includes multiple phases and controller circuitry. The multiple phases collectively operate to produce an output voltage to power a load. The controller circuitry monitors an output voltage and produces control information to control the multiple phases. Controller circuitry in each respective phase of the multiple phases processes the control information independently with respect to other phases to determine whether to output a quantum of energy to maintain regulation of the output voltage. In one arrangement, the control information provides general information indicating, such as for each control cycle, how much current is needed to supply to a load to maintain the output voltage. In a specific arrangement, identities of the phases are randomized over each of multiple cycles so that randomly chosen, but an appropriate number of phases is activated to supply current to the load. |
| US10784770B2 |
Conversion circuit
A conversion circuit includes a main device, a voltage control switching circuit and a trigger circuit. The trigger circuit includes an output terminal and a sense terminal. The sense terminal is electrically connected to the control terminal of the main device. The voltage control switching circuit includes a first terminal, a second terminal and a control terminal. A first terminal is configured to receive an original signal. A second terminal is connected to a control terminal of the main device, and is configured to transmit a driving signal to drive the main device. A control terminal is connected to the main device and the output terminal. The driving signal has a first voltage level generated by the voltage control switching circuit in response to a voltage level at the control terminal of the voltage control switching circuit. |
| US10784768B2 |
Conversion circuit and conversion circuitry
A conversion circuit includes a main device including a first terminal, a second terminal and a control terminal, and a voltage control switching circuit including a first terminal configured to receive an first driving signal, a second terminal coupled to the control terminal of the main device and configured to transmit a second driving signal to drive the main device, and a reference terminal coupled to the second terminal of the main device. A current passing through the voltage control switching device is controlled in response to a voltage level of the reference terminal. |
| US10784766B2 |
Adaptive slope compensation for current mode control
Adaptive slope compensation for current mode control in a switch mode power supply converter is computed for every switching cycle based upon the input voltage and duty-cycle whereby the quality factor is maintained at a constant value. A digital signal processing (DSP) capable microcontroller comprises a voltage loop compensator and generates a desired current reference for every switching cycle. Slope calculations are adapted for switching frequency, inductance value, current circuit gain, etc. The slope calculation result is applied to a pulse-digital-modulation (PDM) digital-to-analog converter (DAC) capable of changing its output levels at a very fast rate compared to the power supply switching frequency whereby the required current slope is provided within the switching period. Actual inductor current may be used to compare against the slope reference, thereby taking care of changes in the inductance values under load. The slope levels are automatically changed when the switching frequency is changed. |
| US10784762B1 |
Torque transfer using electro-permanent magnets
An example apparatus includes a first disk that is rotatable and has a plurality of electro-permanent magnets disposed in a radial array on a surface of the first disk; and a second disk rotatably mounted adjacent to the first disk such that a gap separates the second disk from the first disk, where the second disk has a plurality of ferromagnetic elements disposed in respective radial array on a respective surface of the second disk. Applying an electric pulse to at least one electro-permanent magnet of the plurality of electro-permanent magnets changes a magnetic state of the electro-permanent magnet, thereby (i) generating an external magnetic field that traverses the gap between the first disk and the second disk and interacts with a corresponding ferromagnetic element of the plurality of ferromagnetic elements, and (ii) causing the second disk to rotate as the first disk rotates. |
| US10784761B2 |
Coil actuator
An actuator is introduced that utilizes the forces that result from placing a current carrying coil in a magnetic field to rotate a connected object about at least one axis. In some embodiments, the introduced coil actuator includes a coil of conductor coupled to an arm or other type of structural element that extends radially from an axis of rotation. The introduced coil actuator can be utilized to provide motion control in a variety of different applications such as gimbal mechanisms. In some embodiments, the introduced coil actuator can be implemented in a gimbal mechanism for adjusting an orientation of a device such as a camera relative to a connected platform such as the body of an aerial vehicle. |
| US10784758B2 |
Linear vibration motor
Disclosed is a linear vibration motor, comprising a vibrator and a stator, the vibrator comprises a counterweight block and a vibration block, the vibration block includes at least two magnets adjacently arranged and a magnetic conductive yoke disposed between any two adjacent magnets, and polarities of adjacent ends of two adjacent magnets are the same. The magnets are any combination of a permanent magnet and/or an electromagnet. The stator includes a stator coil disposed at one side, or upper and lower sides of the vibrator, and a magnetic conductive core disposed in the stator coil, and the axis direction of the stator coil is perpendicular to the magnetization direction of the magnets. The linear vibration motor adopts free combinations of permanent magnets and electromagnets to constitute the vibration block, and thus expands the implementation manners of the linear vibration motor so as to improve the flexibility in the production process. |
| US10784755B2 |
Stator bar mold insert
A stator bar mold insert includes an upper portion and a lower portion. A central cavity is disposed between, and defined by, the upper portion and the lower portion. The central cavity is configured for use with a stator bar. A low friction material lines the central cavity, and the low friction material substantially surrounds the stator bar located inside the stator bar mold insert. |
| US10784751B2 |
Stator, motor, blower, vacuum cleaner, and method for attaching hall effect sensor
A stator includes a first split core having a first yoke part extending in a circumferential direction about an axis line and a first tooth extending from the first yoke part toward the axis line, a second split core having a second yoke part extending in the circumferential direction and a second tooth extending from the second yoke part toward the axis line, a first insulator arranged to surround the first tooth and having a first holding part located between a tip end part of the first tooth and a tip end part of the second tooth, a second insulator arranged to surround the second tooth and having a second holding part located between the tip end part of the first tooth and the tip end part of the second tooth, and a Hall effect sensor held by the first holding part and the second holding part. |
| US10784747B2 |
Electric motor with improved cooling having v-shaped fins on a rotor facing radially extending fins on a stator
The invention relates to an electric motor, particularly an “external rotor motor”, comprised of a stator housing and a rotor housing which is rotatable with respect to the stator housing, wherein the rotor housing has a cooling ring disposed on its side which axially faces the stator housing, wherein the stator housing and the cooling ring are each provided with a plurality of first and second cooling fins (the second cooling fins also being referred to as “cooling ribs”) which face each other axially and are disposed so as to be distributed in the respective circumferential directions, which fins/ribs collaborate in flow technology when the rotor housing is in rotating operation; wherein, in an axial plan view, the first cooling fins extend radially outwardly, and the second cooling fins (the cooling ribs) are V-shaped and point in the circumferential direction, wherein a rotary relative movement of the first and second cooling fins (the cooling fins and the cooling ribs) generates a cooling air stream, at least between the stator housing and the rotor housing. |
| US10784745B2 |
Stators for electrical machines
A stator for an electrical machine (e.g., a motor or generator) is described. The stator includes a stator core consisting of a plurality of axially adjacent generally annular laminations. The stator has axially extending stator teeth between adjacent pairs of which are formed axially extending stator slots for receiving conductors of a stator winding. At least one of the stator teeth includes an axially extending cooling passageway through which a cooling fluid flows in use. The electrical machine can include means for circulating cooling fluid through the cooling passageway(s) to cool the stacked laminations and means for circulating air around the stator along an air cooling circuit where the circulated air is cooled by the stator laminations and there is no need for a separate heat exchanger. |
| US10784742B2 |
Mechanical brake for an electric motor
The present disclosure relates to mechanical braking mechanisms used in electric motor applications. The present braking mechanisms may be configured as non-back-drivable mechanical brakes and provide immediate braking of the motors. According to one embodiment, a mechanical brake assembly for an electric motor may include a female disk having a curved groove and an abutment. The mechanical brake assembly further includes a male disk having a projection, the male disk being attached to a rotor of the electric motor. When the electric motor is energized, the projection of the male disk is allowed to rotate uninterrupted with the rotation of the rotor. However, when the electric motor is de-energized, the projection of the male disk travels within the curved groove of the female disk and abuts the abutment of the female disk, thereby stopping the rotation of the rotor of the electric motor. |
| US10784740B2 |
Drive with a commutator motor
A drive including a commutator motor having a motor housing, an end shield secured to the housing, feedthroughs defined in the end shield, brushes mounted in the feedthroughs; and at least one stranded conductor forming a direct electrical and mechanical connection between a brush and the terminal contact arranged outside the motor housing. |
| US10784739B2 |
Radial clearance in a hybrid module
A hybrid module includes a housing, a bearing, and an electric motor. The electric motor has a rotor with a rotor carrier radially positioned by the bearing in the housing. The rotor carrier has an annular ring comprising an annular ring outer surface with a first outer diameter. The rotor has a plurality of rotor segments installed on the rotor carrier. The plurality of rotor segments include an outer circumferential surface with a second outer diameter, less than the first outer diameter. In some example embodiments, the electric motor has a stator with a bobbin core and a bobbin shield installed on the bobbin core. In some example embodiments, the bobbin core is at least partially radially aligned with the plurality of rotor segments, and the bobbin shield is at least partially radially aligned with the annular ring. |
| US10784737B2 |
Rotating electrical machine and method for manufacturing same
A rotating electrical machine with a fractional slot structure includes concentrically wound stator coils, and a method of manufacturing the same. In a rotating electrical machine, a plurality of unit coils included in the stator coil are allocated into a first pole coil and a second pole coil in units of slots that oppose a pair of movable element magnetic poles. Further, each pole pair coil forming a plurality of phase coils is provided with two types of the unit coils, namely a full-coil and a half-coil. In addition, in each pole pair coil, the coil pitches between pairs of coil sides of the plurality of unit coils forming said pole pair coil are different from one another, and each pole pair coil is provided with one half-coil. |
| US10784728B2 |
Rotor for an electrical machine with push-on windings
A rotor for an electrical machine has a rotor core with a center line, which forms an axis of rotation. The rotor core can be subdivided by a plurality of imaginary radial planes, which extend radially from the axis of rotation at regular angular intervals. For each radial plane, at least one pair of winding grooves is formed, which extend through the rotor core to either side of the radial plane with the radial plane serving as the plane of symmetry. A winding is arranged in each pair of winding grooves, in winding receiving areas of the winding grooves, which winding extends through the two winding grooves of the pair. Each winding groove is bounded in its winding receiving area on its side facing the assigned radial plane by a side face, which continues in a manner free from projections, in the sense of projections in a direction away from the radial plane, from the winding receiving area to the radially outer end of the winding groove. |
| US10784725B2 |
Vehicle misalignment measurement and compensation in dynamic wireless charging applications
For misalignment measurement, a method receives a plurality of position detection signals from a corresponding plurality of detection coils. The plurality of position detection signals are generated from mutual inductance between the plurality of detection coils and an energized field-generating detection coil. The method further generates detection information from the position detection signals. In addition the method calculates a lateral misalignment along a lateral Y axis from the detection information. The lateral misalignment includes a lateral misalignment distance and a lateral misalignment direction. The method calculates a vehicle speed along a longitudinal X axis from the detection information. In addition, the method energizes a transmitter power coil and controls the power transfer based on the vehicle speed and lateral misalignment. |
| US10784723B2 |
Nonlinear resonance circuit for wireless power transmission and wireless power harvesting
A nonlinear resonator is presented that enhances the bandwidth while providing high resonance amplitude. The nonlinear resonance circuit is comprised of an inductor electrically coupled to a capacitor, where either the inductor or capacitor is nonlinear. Response of the nonlinear resonance circuit to an excitation signal is described by a family of second-order differential equations with cubic-order nonlinearity, known as Duffing equations. In one aspect, the nonlinear resonator is implemented by a nonlinear dielectric resonator. |
| US10784720B2 |
Transmission coil module for wireless power transmitter
A wireless power transmission coil module includes a first coil and a second coil; a third coil on the first coil and the second coil; and a coil frame receiving the first coil, the second coil and the third coil. In addition, a first surface of the coil frame comprises a first receptacle for receiving the first coil and a second receptacle for receiving the second coil, a second surface of the coil frame opposite to the first surface of the coil frame comprises a third receptacle for receiving the third coil, and the first receptacle does not overlap the second receptacle in a first direction perpendicular to the first surface of the coil frame. |
| US10784718B2 |
Monitoring system, monitoring apparatus, server, and monitoring method
Provided is a monitoring apparatus that obtains, on an as-needed basis, audio data containing a notification sound emitted by an electrical appliance. A monitoring system (1) for monitoring the state of an electrical apparatus (400) which is to be monitored includes a monitoring apparatus (100) configured to (i) measure electric current consumed by the electrical appliance and obtain a notification sound that the electrical appliance emits during a predetermined sound recording period from when a predetermined change in the electric current is detected. The monitoring system (1) is configured to carry out a determination of the state of the electrical appliance from the notification sound and send report information, which is indicative of a result of the determination, to a communication terminal (300). |
| US10784717B2 |
Method, device, and system for controlling power supply
A method for controlling a power supply includes: acquiring working state information of the power supply in a current operation; determining whether a state value of the power supply in the current operation satisfies a preset condition according to the working state information; setting a first control strategy for controlling the current operation of the power supply as a second control strategy when the preset condition is satisfied; storing the state value in the current operation and the first control strategy of the power supply in the current operation when the preset condition is not satisfied, and modifying the first control strategy to obtain the second control strategy according to an adjustment strategy; and loading the second control strategy from the machine-learning control circuitry in next operation, and controlling the next operation of the power supply according to the second control strategy. |
| US10784712B2 |
Power supply recovery current history-based limitation
A power supply unit (PSU) dynamically limits total recovery current. The PSU includes at least a power input, a power output, a historic maximum power draw memory, an update logic, and a recovery current limiting logic. Some implementations include a latest power measurement register, an hourly max power register, and a rolling max register, and controlling firmware. The update logic monitors a power level. The update logic updates the historic maximum power draw memory to match the monitored level. After a power interruption, the recovery current permitted to flow into the PSU is limited based on the historic usage. The recovery current may be limited in a constant, stepped, or ramped manner. The PSU may also provide power distribution. Multiple PSUs may be treated as a group, allowing an individual PSU to exceed its historic usage while the group's recovery currents are limited to the sum of historic usage levels. |
| US10784709B2 |
Charging system for a barcode reader that uses different types of rechargeable power sources
A system includes a barcode reader that is configured to use different types of rechargeable power sources and charging circuitry that is configured to provide a charging current and a charging voltage for a rechargeable power source that is being used by the barcode reader. The charging circuitry is configured to adjust the charging current and the charging voltage for the different types of rechargeable power sources that are used by the barcode reader. |
| US10784706B2 |
Wireless power transmitter and method for controlling the same
A wireless power transmitter configured to wirelessly transmit power to an electronic device is provided. The wireless power transmitter includes a power transmission antenna including a plurality of patch antennas for wirelessly transmitting power, a sensor, and a processor, wherein the processor may be configured to create a first clutter map representing a reflection characteristic of an object positioned around the wireless power transmitter based on, at least, first data obtained by the sensor during a first period, store the first clutter map, compare a difference between the first clutter map and second data obtained by the sensor during a second period with data contained in the first clutter map, create a second clutter map corresponding to the second period based on a result of the comparison, determine a position of an organism using the second data and the second clutter map, and control the power transmission antenna such that a magnitude of the RF wave is less than a predetermined value based on the position of the organism. |
| US10784703B2 |
System and method for maintaining battery life
A system and method is disclosed for monitoring current consumption of various subsystems and applications and adjusting functional parameters to ensure a constant current drain from the battery. The constant current drain can be dynamically adjusted based on a predetermined amount of battery life. A user can determine the amount of battery life to be required and the system adjusts current consumption of various subsystem components and applications to provide consistent and predictable battery life. |
| US10784702B2 |
Battery control device, battery control system, battery control method,and recording medium
A battery control device controlling an operation of a battery connected to a power system includes detection means that detects battery-related information showing a state of the battery, or a state of an interconnection point of the power system and the battery, first communication means that transmits a detection result of the detection means to an external device, and executes reception processing to receive operation control information to control the operation of the battery from the external device at a predetermined time interval, and control means that executes battery operation control processing to control the operation of the battery based on a state of the power system and based on the operation control information received by the first communication means, at a time interval shorter than the predetermined time interval. |
| US10784701B2 |
Power system architecture for aircraft with electrical actuation
An electrical power system for regenerative loads may include a DC bus and an electrical actuator load, where back-driving the electrical actuator load generates regenerative electrical energy, and where the electrical actuator load is configured to transmit the regenerative electrical energy to the DC bus. The system may also include at least one additional load, where at least a portion of the regenerative electrical energy is transmitted to the at least one additional load. |
| US10784700B2 |
Arrangement for and method of dynamically managing electrical power between an electrical power source and an electrical load
Electrical power is dynamically managed a power source a load. A control switching system has a plurality of monitor nodes, a control switch having two switching states, and an electrical power storage cell connected to the power source in one of the switching states for storing voltage, and operative for discharging the stored voltage to the electrical load in the other of the switching states. A programmed controller dynamically monitors operating conditions at the monitor nodes during operation of the electrical load and the power source, and switches the control switch between the switching states in response to the monitored operating conditions for supplying a voltage of a desired waveform shape to the load. |
| US10784699B2 |
Systems and methods of powering circuits with near end-of-life batteries
The present application discloses systems and methods of powering a solenoid circuit and other circuits with batteries that are at (or near) the end of their functional life. |
| US10784694B1 |
Standing handbag rack with charging station
A standing handbag rack with charging station, having a vertical extending support structure having an upper portion and a lower portion, a base secured to the lower portion of the vertical extending support structure, one or more hooks for receiving a handbag or the like, the hooks are secured to the standing handbag rack, a tray secured to the vertical extending support structure, the tray including one or more cable openings, the tray adapted for receiving a portable electronic device, one or more power connectors provided at the tray, the power connector adaptable for coupling to a portable electronic device, a battery housing secured to the standing handbag rack, at least one cable, the cable having a first end and a second end, the first end connected to a power connector adaptable for extending through the cable opening for coupling to a portable electronic device, and the second end extending to the battery housing for coupling to a removable and rechargeable battery, for charging the portable electronic device. |
| US10784692B2 |
Method and device for checking charging parameter, and charger
The present disclosure relates to a method for checking a charging parameter. The method includes: after a communication channel between a terminal and a charger is successfully established, reading, by the terminal, charging capability information of the charger in a preset manner; comparing a maximum capability value of the charger for each preset charging parameter with a target value that is corresponding to a corresponding preset charging parameter and that is stored in the terminal, and determining a minimum value as a first configuration value for the corresponding preset charging parameter; writing, into the charger, the first configuration value that is obtained by means of comparison and that is for each preset charging parameter; reading a second configuration value of the charger for each preset charging parameter; and sending, by the terminal, a charging acknowledgment instruction to the charger after determining that all preset charging parameters are successfully configured. |
| US10784690B2 |
Method for controlling an electrical distribution network
A method for controlling an electrical distribution network, wherein a network control station is provided to control the electrical distribution network and the electrical distribution network comprises a plurality of balancing areas, wherein each balancing area outputs or receives an exchange power to or from the electrical distribution network, and wherein at least one of the balancing areas has at least one generator, in particular a wind farm, for generating a generator power and additionally at least one consumer for receiving a consumer power, wherein at least one balancing area controller is provided to control the at least one generator or wind farm, and the method comprises the following steps: reception by the balancing area controller from the network control station of a value of an exchange power to be set, wherein the exchange power is defined as a difference between the consumer power and the generator power, drawing up by the balancing area controller of a deployment plan for adherence to or attainment of the exchange power to be set, wherein the deployment plan is provided to control the generators and consumers and is drawn up in such a way that a difference between the attained exchange power and the exchange power to be set is minimal, and generation of electrical power by means of the at least one generator or wind farm depending on the deployment plan. |
| US10784685B2 |
Electrical power systems and subsystems
An electrical power subsystem includes a generator comprising a generator stator and a generator rotor, and a power converter electrically coupled to the generator. The power converter includes a plurality of rotor-side converters electrically coupled in parallel, a line-side converter, and a regulated DC link electrically coupling the plurality of rotor-side converters and the line-side converter. The electrical power subsystem further includes a stator power path for providing power from the generator stator to the power grid, and a converter power path for providing power from the generator rotor through the power converter to the power grid. |
| US10784683B2 |
Method of controlling electrical power system and apparatus using the same
The present application provides a method of controlling an electrical power system and an apparatus using the same. The electrical power system includes a DC bus and a DC bus capacitor connected to the DC bus. The method includes: receiving a virtual DC bus capacitance value of the DC bus capacitor; detecting a DC bus voltage; calculating an expected value of a DC bus current based on the virtual DC bus capacitance value and the DC bus voltage; and adjusting the DC bus current, so that the DC bus current reaches the expected value and thus the DC bus capacitor is equivalent to the virtual DC bus capacitance value. |
| US10784682B2 |
Network-cognizant voltage droop control
The present disclosure provides techniques for network-cognizant droop control in power systems, such as a power distribution system. An example device includes a processor configured to determine, based on (i) a model representing a structure of a power system that includes a plurality of energy resources and (ii) an indication of predicted uncontrollable power injections in the power system, for each controllable energy resource in the plurality of energy resources, a respective value of a first droop coefficient and a respective value of a second droop coefficient. The processor may be further configured to cause at least one controllable energy resource in the plurality of energy resources to modify an output power of the at least one energy resource based on the respective value of the first droop coefficient and the respective value of the second droop coefficient. |
| US10784679B2 |
Electrostatic discharge protection apparatus and integrated circuit with multiple power domains
This application discloses an electrostatic discharge protection apparatus and an integrated circuit with multiple power domains. The electrostatic discharge protection apparatus includes a diode and an NMOS transistor. A positive electrode of the diode is coupled to a first interface, a negative electrode of the diode is coupled to a first electrode of the NMOS transistor, both a second electrode of the NMOS transistor and a gate electrode of the NMOS transistor are coupled to a second interface, and a substrate of the NMOS transistor is used for grounding. At least one electrostatic discharge protection apparatus may be disposed in the integrated circuit with multiple power domains. |
| US10784677B2 |
Enhanced utility disturbance monitor
A method for detecting a voltage disturbance on an electrical line coupled to a utility that includes calculating a sliding window actual root mean squared (RMS) voltage for each three-phase power signal, calculating a sliding window filtered RMS average voltage for each actual RMS voltage to identify normal changes in the voltage of the power signals from a nominal voltage, and obtaining a difference between the actual RMS voltage and the RMS average voltage for each of the power signals. The method determines whether the difference between the actual RMS voltage and the RMS average voltage for any of the three-phase signals is greater than a first predetermined percentage, or whether the difference between the actual RMS voltage and the RMS average voltage for any of the three-phase signals is less than a second predetermined percentage, and if so, disconnects a load from the utility. |
| US10784675B2 |
Vehicle accessory power switch
An electrical switch for providing power from a power source to a component may include a voltage supervisor having an input and an output, a voltage divider, electrically coupled between the input of the voltage supervisor and ground, an RC filter electrically coupled to the output of the voltage supervisor, and a field-effect transistor having a first terminal coupled to the RC filter and a second terminal coupled to an output of the switch, the output configured to be electrically coupled to the component. A switch may additionally or alternatively include a light source electrically that emits light when power is provided from the input of the switch to the component, the light source arranged proximate a fuse so as to illuminate the fuse. |
| US10784672B2 |
Circuit interrupter with self-test circuit and method of operating a circuit interrupter
A circuit interrupter including a line conductor, a neutral conductor, separable contacts, an operating mechanism structured to trip open the separable contacts, a magnetic trip actuator structured to cause the operating mechanism to trip open the separable contacts in response to a short-circuit between the line and neutral conductors, a protection circuit including a self-test circuit structured to perform a self-test and to output a signal in response to failing the self-test, and an electrical component electrically connected between the line and neutral conductors and having an open state and a closed state. The electrical component is structured to switch from the open state to the closed state and cause a short-circuit between the line and neutral conductors in response to receiving the signal from the self-test circuit. |
| US10784666B2 |
Bracket for electrical devices
A bracket for supporting at least one electrical device includes a first portion including a flange oriented in a first plane and at least one second portion including a leg oriented in a second plane substantially parallel to and offset from the first plane. Each second portion is configured to be coupled to the at least one electrical device. |
| US10784664B2 |
Three-piece electronics enclosure
A three-piece electronics enclosure may be provided. The electronics enclosure may comprise a back housing, a lid, and a center frame. The back housing may comprise back housing heat sinks on an exterior of the back housing and back housing circuitry disposed in an interior of the back housing. The lid may comprise lid heat sinks on an exterior of the lid and lid circuitry disposed in an interior of the lid. The center frame may be disposed between the back housing and the lid. The center frame may comprise a plurality of input/output (I/O) ports comprising a first I/O port and a second I/O port. At least one of the plurality of I/O ports may provide power to the back housing circuitry and the lid circuitry. The center frame may further comprise a power bypass that passes power between the first I/O port and the second I/O port. |
| US10784662B2 |
Weak link latch
A weak-link latch for releasably pulling a cable (13) arranged in a conduit (14). The weak link latch is releasably connected to the conduit, and securely connected to the cable. A plurality of arms (4,5) extend laterally from a central member (1) arranged to engage the conduit, with at least one of which arms being a rotatable arm (5,19), rotatable about an axle (6) from an extended position in locked engagement with the conduit to a collapsed position disengaged from the conduit. A shear pin (7) is arranged between the rotatable arm (5,19) and the central member (1), the shear pin arranged to prevent rotation of the rotatable arm from the extended position to the collapsed position, said shear pin having a predetermined breaking force, said breaking force being a shear force due to rotational force from the rotatable arm. |
| US10784657B2 |
Electrical substation safety barrier device and method
A safety device is configured to be attached to components in an electrical substation to provide a physical and visual barrier between de-energized components and energized components in the electrical substation. The safety may include a safety barrier board formed from an electrically insulating material and configured to be attached to fastening devices that attach the safety barrier board to components in the substation. Each fastening device may be an inverted-J-hook configured to be attached to a surface of the safety barrier board or a coupling link attached to a variable length fastening component and an attachment hook. |
| US10784654B2 |
Spark plug
Spark plug has first and second electrodes. First electrode has tip principally made of noble metal and base material principally made of Ni. The tip is joined to the base material through fusion portion. Second electrode faces discharge surface of the tip. The fusion portion has overlap portion where first interface between the tip and the fusion portion and second interface between the base material and the fusion portion overlap in first direction perpendicular to the discharge surface. When viewing cross section which passes through a center of gravity of the overlap portion projected onto virtual surface parallel to the discharge surface and is perpendicular to the discharge surface, noble metal content is greater than 50 mass % at one end portion of the overlap portion in second direction extending along the discharge surface, and Ni content is greater than 50 mass % at the other end portion of the overlap portion. |
| US10784649B2 |
Optical semiconductor device
A semiconductor laser (2) includes an n-type semiconductor substrate (1), a stack of an n-type cladding layer (4), an active layer (5), and a p-type cladding layer (6) successively stacked on the n-type semiconductor substrate (1). An optical waveguide (3) includes a non-impurity-doped core layer (9) provided on a light output side of the semiconductor laser (2) on the n-type semiconductor substrate (1) and having a larger forbidden band width than the active layer (5), and a cladding layer (10) provided on the core layer (9) and having a lower carrier concentration than the p-type cladding layer (6). The semiconductor laser (2) includes a carrier injection region (X1), and a non-carrier-injection region (X2) provided between the carrier injection region (X1) and the optical waveguide (3). |
| US10784646B2 |
Laser system having a multi-stage amplifier and methods of use
A laser system having a multi-pass amplifier system which includes at least one seed source configured to output at least one seed signal having a seed signal wavelength, at least one pump source configured to output at least one pump signal, at least one multi-pass amplifier system in communication with the seed source and having at least one gain media, a first mirror, and at least a second mirror therein, the gain media device positioned between the first mirror and second mirror and configured to output at least one amplifier output signal having an output wavelength range, the first mirror and second mirror may be configured to reflect the amplifier output signal within the output wavelength range, and at least one optical system may be in communication with the amplifier system and configured to receive the amplifier output signal and output an output signal within the output wavelength range. |
| US10784645B2 |
Fiber laser having variably wound optical fiber
Some embodiments may include a fiber laser, comprising: a variably wound optical fiber, wherein the variably wound optical fiber includes: a first length arranged in a plurality of first loops with a first separation distance between successive ones of the first loops; and a second length arranged in a plurality of second loops with a second separation distance between successive ones of the second loops; wherein the first separation distance between successive ones of the first loops is greater than the second separation distance between successive ones of the second loops; and packaging to remove heat generated by the optical fiber of the fiber laser during operation of the fiber laser, wherein the variably wound optical fiber is fixably mounted to a surface of a heat conductor of the packaging. |
| US10784643B2 |
Reducing the pulse repetition frequency of a pulsed laser system
A method for generating a laser pulse train is provided, including at least the following method steps: generating a laser pulse train at a pulse repetition frequency; coupling the laser pulse train into an acousto-optical modulator, and selecting individual laser pulses of the laser pulse train. A system for generating a laser pulse train is also provided, including at least a pulsed laser and an acousto-optical modulator, and an associated control device. |
| US10784640B2 |
Connector with separable lacing fixture
A connector assembly (10) is disclosed in which a connector part (12) and a cable manager part (20) are provided. The cable manager part (20) can be provided with a separable lacing fixture (24) that functions to retain the severed portions (6a) of the wires (6) that result from the termination process, rather than allowing the severed wire portions (6a) to fall to the floor in an uncollected state. In one aspect, the cable manager part (20) has a main body (22) to which the separable lacing fixture (24) is attached via a plurality of breakaway portions (34). During installation, the connector part (12) is inserted onto the cable manager part (20) and is placed in a wire termination tool (7) which fully inserts the connector part (12) onto the cable manager part (20). This action causes the connector part (12) to cut the wires (6) and to sever or break the breakaway portions (34) such that the separable lacing fixture (24) is separated from the fully formed connector (10). |
| US10784639B2 |
Loop bridge
The present disclosure relates to a loop bridge for looping-through an electric signal, comprising: a first electric module comprising a first electrical connection terminal, wherein the electric signal loops through the first electric module to a second electric module comprising a second electrical connection terminal, wherein the first electrical connection terminal and the second electrical connection terminal each have a pressure piece: and a printed circuit board with a comb-like line structure. The comb-like line structure comprises: a first comb tine, wherein the first comb tine is configured to be inserted into the first electrical connection terminal, and wherein the first comb tine comprises a first metal support part configured to support the pressure piece of the first electrical connection terminal: and a second comb tine electrically connected to the first comb tine, wherein the second comb tine is configured to be inserted into the second electrical connection terminal. |
| US10784638B2 |
Adaptor plug assembly
An adaptor plug assembly includes an adaptor plug and a mobile device which has a receiving unit. The adaptor plug includes a housing having a first connection end from which two terminals extends, and a second connection end in which three receptacle holes are defined. The two terminals are connected to the second connection end. A coil is mounted to one of the two terminals and electrically connected to a micro controller which includes a calculating unit, a transforming unit and a wire-less transmitting unit. The transforming unit receives current inducted by the coil and transforms the current into a first signal which is sent to and calculated by the calculating unit to be a second signal which is transmitted by the wire-less transmitting unit to the receiving unit of the mobile device. A power unit is installed in the housing provides power to the micro controller. |
| US10784637B2 |
Comfortably operated travel plug adapter
The present invention relates to a travel plug adapter, which will also be referred to herein as a travel adapter, for short. Using such an adapter it is possible to insert power plugs of a certain (domestic) standard into the outlets present at the travel destination. The present invention relates in particular to a travel plug adapter (10), which has a housing, a plug receptacle (16), and at least a first plug (38, 84) of a first standard and a second plug (28, 86) of a second standard, wherein each plug is assigned an actuation slider (22, 24), which is guided outwardly through a slide slot (42) of the housing and is designed to displace the plug between a standby position, in which the plug is disposed substantially inside the housing, and a usage position, in which the plug is usably disposed outside the housing, and wherein the first plug (38, 84) is assigned a first blocking element (106A), such that displacement of the first plug (38, 84) between the standby position and the usage position is blocked when the movement of the first blocking element (106A) is blocked, and wherein the second plug (28, 86) is assigned a second blocking element (106B), such that the displacement of the second plug (28, 86) between the standby position and the usage position is blocked when the movement of the second blocking element (106B) is blocked, characterised in that at least one blocking slide (100A) is also provided, which in a first position releases the path of the first blocking element (106A) and in a second position blocks the path of the first blocking element (106A), wherein the second blocking element (106B) acts on the position of the blocking slide (100A). |
| US10784628B2 |
Electrical plug connector
An electrical plug connector. The electrical plug connector has: a connector housing for accommodating at least one electrical cable that extends along an axial direction; a shielding plate that completely encloses the connector housing in a circumferential direction around the axial direction. The connector housing has, on an external surface, a play-limiting element for limiting a degree of play in the state plugged together with the mating plug connector. The shielding plate has an opening, the play-limiting element protruding from the connector housing and extending through the opening of the shielding plate and/or the play-limiting element being fashioned as a connector housing opening in the connector housing and being adjacent to the opening. |
| US10784626B2 |
Electrical connector
An electrical connector includes a plug and a sliding lock element. The plug includes an inserting portion, a cover portion, and a first sidewall portion. The cover portion covers one end of the inserting portion. The first sidewall portion is perpendicularly connected to the cover portion. A gap is formed between the first sidewall portion and the inserting portion. The sliding lock element is assembled on the plug. The sliding lock element includes a lid portion, a vertical extension portion, and a fitting portion. The lid portion slidably covers the cover portion of the plug. The vertical extension portion is perpendicularly connected to the lid portion. The fitting portion is connected to the vertical extension portion and extends toward the lid portion. |
| US10784621B1 |
Connector housing latch
An electrical connector includes a connector housing having a first end and an opposed second end, a pair of release stops extending generally radially outward and adjacent to the first end, and a pair of deflection buttons extending longitudinally cantilevered from a pivot base having a lateral axis and having free ends extending toward the first end and located adjacent to and radially outward from respective ones of the release stops when in an unflexed state. The electrical connector also includes a latch arm extending longitudinally cantilevered from the pivot base toward the second end, with a free end of the latch arm including a latch lock configured to selectively engage a barb on a mating connector. |
| US10784620B2 |
Method of operating a connector latch for a housing
Method of operating a connector latch used to securely hold together a connector apparatus, wherein the connector apparatus has at least a first housing and a second housing which can be mated together. Initially, after the connector latch is manufactured, the connector latch is in an undeflected position. After manufacture, the connector latch is subjected to a pre-mating deflection process, in order to deflect the connector latch into a preloaded position. After the pre-mating deflection process has been completed, the connector latch is locked in the preloaded position. The preloaded connector latch provides a number of desirable characteristics, including at least an extra loud “click” sound when the connecting latch is operated to mate the first housing with the second housing. |
| US10784617B2 |
Plug connector with a contacting portion for diverting an electric arc
A plug connector part for electrically contacting a mating plug connector part includes: a contact element, which is engageable in a plug-in manner with a mating contact element of an associated mating plug connector part in an insertion direction for electrical contacting; and a lance element that includes an at least partially resilient shaft and a contacting portion, the shaft being connected to the contact element at a first end and the contacting portion being arranged at a second end of the shaft such that the contacting portion remains in electrical contact with the mating contact element of the mating plug connector part when the connector part is released from the mating plug connector part after the electrical contact between the contact element and the mating contact element has already been broken. |
| US10784607B2 |
Golden finger design methodology for high speed differential signal interconnections
A connector assembly is disclosed to reduce discontinuity impedance between golden finger connectors and components on a circuit board. The assembly includes a circuit board including a connector edge. A plurality of connectors is formed on the connector edge on a first surface of the circuit board. A ground plane is formed on part of the circuit board on a second opposite surface of the first surface. The ground plane leaves the second opposite surface under the connector edge exposed. A ground loop is formed on the second opposite surface under at least two of the plurality of connectors. |
| US10784606B2 |
Electrical connector and connector assembly
An electrical connector is mounted downward on a circuit board to mate with a mating member. The electrical connector includes an insulating body having a front end surface, where the front end surface is backward concavely provided with a mating slot for the mating member to be inserted therein, and at least one ground terminal. Each ground terminal has a main body provided on the insulating body. A first elastic arm and a second elastic arm extend forward from the main body. The first elastic arm has a first contact portion in downward contact with an upper shielding member. The second elastic arm has a second contact portion in downward contact with the mating member. The first contact portion is located in front of the second contact portion. An acting force by the first elastic arm counteracts a supporting force by the circuit board, preventing the insulating body from deformation. |
| US10784605B2 |
Connector with a contact retained in a housing
A connector comprises a housing and a plurality of contacts retained in the housing. Each of the contacts extends in a longitudinal direction and has a retained portion, a contacting portion disposed in front of the retained portion in the longitudinal direction, and a connecting portion disposed behind the retained portion in the longitudinal direction. Each of the contacting portion and the connecting portion are shifted with respect to the retained portion in a vertical direction perpendicular to the longitudinal direction. The housing is in contact with the retained portion of each of the contacts from both above and below in the vertical direction and from both right and left in a lateral direction perpendicular to the vertical direction and the longitudinal direction. |
| US10784603B2 |
Wire to board connectors suitable for use in bypass routing assemblies
A wire to board connector is provided for connecting cables of cable bypass assemblies to circuitry mounted on a circuit board. The connector has a structure that maintains the geometry of the cable through the connector. The connector includes a pair of edge coupled conductive signal terminals and a ground shield to which the signal terminals are broadside coupled. The connector includes a pair of ground terminals aligned with the signal terminals and both sets of terminals have J-shaped contact portions that flex linearly when the connector is inserted into a receptacle. In another embodiment, the signal terminal contact portions are supported by a compliant member that may deflect when the connectors engage contact pads on a substrate. |
| US10784600B1 |
Split, locknut grounding bushing
A split, locknut grounding bushing has a first metal bushing portion with first and second ends, a top, a bottom with teeth, an exterior surface with a boss for receipt of a lug, and an interior surface with threads; a second metal bushing portion similar to the first bushing portion, first and second insulators respectively connected to the top of the first and second metal bushing portions. The first and second metal bushing portions pivot with respect to each other at one end and can be fastened to each other at the second end. The threads of the first and second bushing portions can thread onto the threads of a conduit or connector passing through a hole in an electrical enclosure so as to engage the teeth on the bottom of the first and second bushing portions with an interior surface of the enclosure. |
| US10784590B2 |
Ultra-wide bandwidth frequency-independent circularly polarized array antenna
An array antenna has a plurality of antenna unit cells arranged in rows and columns, or in another configuration. Each unit cell from the plurality of unit cells includes a circularly polarized radiator and a balun. The array antenna further includes a reactive element or a circuit element (such as a capacitor or resistor or even an inductor) on the circularly polarized radiator that is coupled an adjacent unit cell in one of the row and the column. A spacing distance between adjacent unit cells coupled via the circuit element that is at most half of a wavelength at a frequency maximum of the array antenna, wherein the spacing distance reduces likelihood of grating lobes. |
| US10784589B2 |
Wireless communication device
A wireless communication device includes: a reflector plate that comprises a reflective surface, the reflective surface reflecting an electromagnetic wave; an array antenna that comprises a plurality of antenna elements, the antenna elements being arranged on the reflective surface; one or more fins that stand on the reflective surface; and a transmission and reception circuit that is connected to the reflector plate, and transmits and receives a wireless signal via the array antenna. |
| US10784586B2 |
Radio frequency antenna incorporating transmitter and receiver feeder with reduced occlusion
An antenna system (201) comprising a set of transmitting elements (320A-K) and a set of receiving elements (310A-N) formed on a same or different planar surface (210), an electromagnetic lens (220) to focus electromagnetic rays transmitted from the set of transmitting elements (320A-K), a convex secondary antenna (240) operative to reflect the electromagnetic rays and a concave parabolic primary antenna (230) operative to transmit the electromagnetic rays in a first direction such that, the lens, the convex secondary antenna and the concave parabolic primary antenna together provide a transmitting gain in the first direction. The set of transmitting elements are disposed at central area of the planar surface and the set of receiving elements are disposed on the periphery of the central area such that the set of receiving elements occupy larger area on the planar surface compared to the set of transmitting elements. |
| US10784577B2 |
Dual-band antenna module
A dual-band antenna module includes a substrate, a dual-band omnidirectional antenna, a low-frequency reflection module and a high-frequency reflection module. The dual-band omnidirectional antenna is disposed perpendicular to the substrate and is used for resonating to generate a first radio-frequency signal with a first frequency and a second radio-frequency signal with a second frequency. The low-frequency reflection module includes three low-frequency reflection units used for reflecting the first radio-frequency signal with the first frequency according to different low-frequency directional control signals. The high-frequency reflection module includes three high-frequency reflection units used for reflecting the second radio-frequency signal with the second frequency according to different high-frequency directional control signals. The low-frequency reflection units of the low-frequency reflection module and the high-frequency reflection units of the high-frequency reflection module are disposed on the substrate and are disposed around the dual-band omnidirectional antenna. |
| US10784575B2 |
Phased antenna array and method of thinning thereof
A method of thinning a phased antenna array including defining a performance characteristic for the phased antenna array, partitioning the phased antenna array to define a plurality of sectors that each include an equal number of radiating element locations, wherein each radiating element location is either an active radiating element location or an inactive radiating element location. The method also includes determining a number of active radiating element locations to be included in a first sector of the plurality of sectors, and determining, based on the number of active radiating element locations, at least one arrangement of active and inactive radiating element locations in the first sector configured to achieve the performance characteristic. The method further includes applying the at least one arrangement to each remaining sector of the plurality of sectors such that the phased antenna array has rotational symmetry. |
| US10784570B2 |
Liquid-crystal antenna device
A liquid-crystal antenna device includes a signal source, a driving module, a correction module, and a plurality of radiation units. The signal source provides an input electromagnetic wave. The driving module outputs a plurality of initial voltage signals according to a radiation address. The correction module receives the initial voltage signals and outputs a plurality of corrected voltage signals according to a lookup table. The radiation units respectively receive the corrected voltage signals and are coupled to the input electromagnetic wave to generate an output electromagnetic wave. |
| US10784567B2 |
Methods and systems for mitigating interference with a nearby satellite
In one embodiment, an antenna system is described. The antenna system includes a primary antenna on an aircraft. The primary antenna is mechanically steerable and has an asymmetric antenna beam pattern with a narrow beamwidth axis and a wide beamwidth axis at boresight. The antenna system also includes a secondary antenna on the aircraft, the secondary antenna including an array of antenna elements. The antenna system also includes an antenna selection system to control communication of a signal between the aircraft and a target satellite via the primary antenna and the secondary antenna. The antenna selection system switches communication of the signal from the primary antenna to the secondary antenna when an amount of interference with an adjacent satellite reaches a threshold due to the wide beamwidth axis of the asymmetric antenna beam pattern. |
| US10784562B2 |
Wireless communication chip having internal antenna, internal antenna for wireless communication chip, and method of fabricating wireless communication chip having internal antenna
A wireless communication chip having an internal antenna includes a substrate having first and second mounting regions; a wireless communication module molded on the first mounting region; and an antenna block mounted on the second mounting region to be electrically connected to the wireless communication module, wherein the antenna block includes a first antenna on the substrate; a connection element connected to the first antenna; an insulating layer on the first antenna and the connection element to cover the first antenna and the connection element; and a second antenna on the insulating layer such that a first surface of the second antenna is in contact with the insulating layer, and a second surface, which is a reverse surface of the first surface, is exposed to the outside of the wireless communication chip, wherein the second antenna is electrically connected to the first antenna through the connection element. |
| US10784560B1 |
Vehicle antenna with anti-theft feature
An after-market antenna for a vehicle includes an elongated body having a top end, a bottom end, and at least one peripheral side. The bottom end terminates with an axial bore extending partially through the body and adapted to receive an antenna wire within. The axial bore includes threads at the bottom end of the body that extend upward at least partially through the axial bore for receiving a conductive threaded shaft that projects out of the axial bore and that is adapted for screwing into a threaded antenna aperture of the vehicle. A first groove is formed around the body and has a back wall that is substantially circular in cross-section except for two opposing parallel sides adapted for contacting two opposing sides of a wrench that has a thickness that is smaller than a width of the first groove. |
| US10784556B2 |
Apparatus and a method for coupling an electromagnetic wave to a transmission medium, where portions of the electromagnetic wave are inside the coupler and outside the coupler
A dielectric waveguide coupling system for launching and extracting guided wave communication transmissions from a wire. At millimeter-wave frequencies, wherein the wavelength is small compared to the macroscopic size of the equipment, transmissions can propagate as guided waves guided by a strip of dielectric material. Unlike conventional waveguides, the electromagnetic field associated with the dielectric waveguide is primarily outside of the waveguide. When this dielectric waveguide strip is brought into close proximity to a wire, the guided waves decouple from the dielectric waveguide and couple to the wire, and continue to propagate as guided waves about the surface of the wire. |
| US10784553B2 |
Well thermalized stripline formation for high-density connections in quantum applications
A stripline that is usable in a quantum application (q-stripline) includes a first polyimide film and a second polyimide film. The q-stripline further includes a first center conductor and a second center conductor formed between the first polyimide film and the second polyimide film. The q-stripline has a first pin configured through a first recess in the second polyimide film to make electrical and thermal contact with the first center conductor. |
| US10784551B2 |
Band-pass filter
A band-pass filter includes a main body, five resonators, a shield, and a partition. The main body is formed of a dielectric. The partition is formed of a conductor. The five resonators are configured so that capacitive coupling is established between every two of the resonators adjacent to each other in circuit configuration. Each of the five resonators includes a resonator conductor portion. A first stage resonator and a fifth stage resonator are magnetically coupled to each other although not adjacent to each other in circuit configuration. The partition extends to pass between the respective resonator conductor portions of the first stage resonator and the fifth stage resonator, and is electrically connected to the shield. |
| US10784550B2 |
Low-loss, low-profile digital-analog phase shifter
A phase shifter having both digital and analog shifting components is disclosed. The digital-analog phase shifter includes an input/output port configured, in part, for receiving an input radio frequency (RF) signal from an external source and outputting a phase shifted RF signal. A digital shifter performs coarse phase shifts of the input RF signal, while an analog shifter variably shift the phase of the input RF signal relative to the coarse phase shift. This produces a phase shifted RF signal having a total phase range that is output is continuously variable from 0° to 360°. |
| US10784545B2 |
Submerged cell modular battery system
An apparatus includes a plurality of battery cells and a case. The case may be configured to hold the plurality of battery cells. The case generally has at least a first port and a second port configured to allow a cooling liquid to flow through the case with the battery cells submerged in the cooling liquid. The case is generally configured to interlock with one or more other cases to electrically and physically connect the one or more cases into a battery block or battery pack. |
| US10784543B2 |
Cell block and cell module
A battery block includes a holding unit that holds a plurality of cells. The holding unit is made of a material having a heat conductivity. The holding unit includes openings that are open over the entire length of the side surfaces of the cells in the longitudinal direction. Each opening is formed so that, on the side surface of each cell, the area of a first region exposed to the outside through the opening is smaller than that of a second region other than the first region. |
| US10784542B2 |
System and method with battery management
A processor-implemented battery management method includes iteratively determining fractions of components in an electrode of a battery; calculating a composite state of charge (SoC) of the battery by applying the iteratively determined fractions of the components to a composite cathode model used to predict a state of the battery; and predicting the state of the battery based on the calculated composite SoC. |
| US10784541B2 |
Storage battery device, and charging-discharging monitoring method, device and system thereof
A storage battery device, a charging and discharging monitoring method and device thereof and a corresponding system are described. The storage battery device includes multiple storage batteries connected in parallel. A storage battery switching unit connected in series with each storage battery is arranged on a parallel branch circuit where the storage battery is located, and includes a charging control unit configured to switch on or switch off a charging loop of the storage battery and a discharging control unit connected in parallel with the charging control unit and configured to switch on or switch off a discharging loop of the storage battery. |
| US10784539B2 |
Electrode assembly having high flexibility and battery cell including the same
The present invention provides an electrode assembly, including two or more positive electrode plates and two or more negative electrode plates laminated with each of separators interposed therebetween, wherein both side end portions of the electrode assembly are bent together in the same direction by a curvature radius (R) satisfying the following Equation 1: S[{1/ln(x/y)}*t]=R 1 wherein t is an average thickness (mm) of the laminated electrode assembly, x is a horizontal length of the electrode assembly, and y is a vertical length of the electrode assembly, and S is a constant of 10 or more, and ln(x/y)≥1. |
| US10784538B2 |
Multifunctional energy storage composites
Described here is a multifunctional energy storage (MES) composite comprising (a) a stack of energy storage materials and (b) one or more structural facesheets sandwiching the stack of energy storage materials, wherein the stack of battery materials is perforated by (c) one or more reinforcements, and wherein the reinforcements are bonded to the structural facesheets. Also described here is a MES composite comprising (a) a stack of energy storage materials, (b) one or more structural facesheets sandwiching the stack of energy storage materials, and (c) one or more reinforcements perforated by the stack of energy storage materials, wherein the reinforcements are bonded to the structural facesheets. |
| US10784535B2 |
Slurry, method for producing solid electrolyte layer, and method for producing all-solid-state battery
Provided are a slurry for a solid electrolyte, which can reduce the usage of a polymer binder, a method for producing a solid electrolyte layer, and a method for producing an all-solid-state battery. Disclosed is a slurry for a solid electrolyte, the slurry comprising a solvent, a lithium compound, and crystal particles of a garnet-type ion-conducting oxide represented by a general formula (Lix−3y−z,Ey,Hz)LαMβOγ (where E is at least one kind of element selected from the group consisting of Al, Ga, Fe and Si; L is at least one kind of element selected from an alkaline-earth metal and a lanthanoid element; M is at least one kind of element selected from a transition element that can be six-coordinated with oxygen and typical elements in groups 12 to 15 of the periodic table; 3≤x−3y−z≤7; 0≤y≤0.25; 0 |
| US10784533B2 |
Li—Sn—O—S compound, manufacturing method therefor and use thereof as electrolyte material of Li-ion batteries, and Li—Sn—O—S hybrid electrolyte
A Li—Sn—O—S compound, a manufacturing method therefor and use thereof as an electrolyte material of Li-ion batteries, and a Li—Sn—O—S hybrid electrolyte are provided. The Li—Sn—O—S compound of the present invention is laminated Sn—O—S embedded with lithium ions. The Li—Sn—O—S compound is represented by the formula Li3x[LixSn1−x(O,S)2], where x>0. The manufacturing method for a Li—Sn—O—S compound includes the following steps of: (S1000) providing a Sn—O—S compound; (S2000) adding a lithium source into the Sn—O—S compound to form a Li—Sn—O—S precursor; and (S3000) performing calcination on the Li—Sn—O—S precursor in a vulcanization condition. |
| US10784532B2 |
Chemical formulations for electrochemical device
Chemical additives are disclosed to increase solubility of salts in liquefied gas electrolytes. |
| US10784530B2 |
Dioxazolones and nitrile sulfites as electrolyte additives for lithium-ion batteries
Improved battery systems have been developed for lithium-ion based batteries. The improved systems include a nonaqueous electrolyte including one or more lithium salts, one or more nonaqueous solvents, and an additive or additive mixture comprising one or more operative additives selected from a group of disclosed compounds, including 3-aryl substituted 1,4,2-dioxazol-5-ones and 3-phenyl-1,3,2,4-dioxathiazole 2-oxide. |
| US10784529B2 |
Frame for fuel cell and fuel cell stack structure having the frame
There is provided a frame for a fuel cell. The frame include a frame body having a channel opening defined therein and a feed opening and a discharge opening defined therein, wherein the feed opening and discharge opening are spaced apart from each other with the channel opening being disposed therebetween; and a plurality of anti-deformation support structures protruding from a top face of the frame body, in a first region between the channel opening and the feed opening and in a second region between the channel opening and the discharge opening, wherein each of the plurality of anti-deformation support structures has an elliptical cross-sectional shape having a major axis and a minor axis. |
| US10784526B2 |
Fuel cell vehicle and control method of fuel cell vehicle
A fuel cell vehicle is configured such that at least a part of an underfloor of a vehicle body is formed to have a shape causing a downforce to the vehicle body by wind passing below the underfloor, and an exhaust port via which exhaust gas from a cathode-side passage of a fuel cell is discharged is disposed in a negative pressure region where a negative pressure is caused by the shape causing the downforce. A magnitude of the negative pressure to be caused by the shape is detected or estimated, so that a driving amount of an air supply configured to supply air to the fuel cell is controlled according to the magnitude of the negative pressure thus detected or estimated. |
| US10784525B2 |
Method of inspecting output of fuel cell
In a method of inspecting output of a fuel cell, a reduction step is performed, and thereafter, a measurement step is performed. In the reduction step, reduction treatment is applied to electrode catalyst contained in an anode and a cathode. After the reduction treatment is applied to the electrode catalyst of the anode and the cathode, in the measurement step, measurement current which is smaller than rated current of the fuel cell, is applied to the anode and the cathode to inspect the output of the fuel cell. |
| US10784523B2 |
Fuel cell stack presenting reinforced structure
A bipolar plate (20) for making a proton-exchange membrane fuel cell stack, said bipolar plate (20) being made up of metal sheets that are shaped and assembled together in such a manner as to define primary fluid-flow channels (24) and secondary fluid-flow channels (25) that are arranged in alternation, said primary channels (24) being formed between said assembled-together sheets; the bipolar plate (20) being characterized in that it includes mechanical reinforcement (35) made out of metal material arranged in a reinforcing duct (30) of the bipolar plate (20), said metal reinforcement (35) being configured in such a manner as to oppose a compression force applied to the bipolar plate (20), said bipolar plate (20) further including a source of electricity adapted to feed electric current to the mechanical reinforcement (35) and thereby give off heat by the Joule effect. |
| US10784519B2 |
Electrochemical cell with electrode filled protrusion
An electrochemical cell comprises a can comprising a cylindrical side wall extending from a closed end wall. The closed end wall comprises a protrusion. The protrusion has a protrusion cavity therein. The electrochemical cell further comprises a separator defining an inner cavity and separating the inner cavity from an outer cavity. The outer cavity is defined by the can and the separator. The electrochemical cell further comprises a first electrode material disposed in the outer cavity and the protrusion cavity; and a second electrode material disposed in the inner cavity. |
| US10784514B2 |
Conductive carbon, electrode material including said conductive carbon, and electrode using said electrode material
Provided is conductive carbon that gives an electrical storage device having a high energy density. This conductive carbon includes a hydrophilic part, and the contained amount of the hydrophilic part is 10 mass % or more of the entire conductive carbon. When performing a rolling treatment on an active material layer including an active material particle and this conductive carbon formed on a current collector during manufacture of an electrode of an electric storage device, the pressure resulting from the rolling treatment causes this conductive carbon to spread in a paste-like form and increase in density. The active material particles approach each other, and the conductive carbon is pressed into gaps formed between adjacent active material particles, filling the gaps. As a result, the amount of active material per unit volume in the electrode obtained after the rolling treatment increases, and the electrode density increases. |
| US10784509B2 |
Lithium metal secondary battery containing two anode-protecting layers
Provided is a lithium secondary battery, comprising a cathode, an anode, and a porous separator or electrolyte, wherein the anode comprises: (a) an anode active layer containing a layer of lithium or lithium alloy, in a form of a foil, coating, or multiple particles aggregated together, as an anode active material; (b) a first anode-protecting layer having a thickness from 1 nm to 100 μm, a specific surface area greater than 50 m2/g and comprising a thin layer of electron-conducting material selected from graphene sheets, carbon nanotubes, carbon nanofibers, carbon or graphite fibers, expanded graphite flakes, metal nanowires, conductive polymer fibers, or a combination thereof, and (c) a second anode-protecting layer having a thickness from 1 nm to 100 μm and comprising an elastomer having a fully recoverable tensile elastic strain from 2% to 1,000% and a lithium ion conductivity from 10−8 S/cm to 5×10−2 S/cm. |
| US10784508B2 |
Preparation method of modified positive electrode active material
The present disclosure provides a preparation method of a modified positive electrode active material preparation method, which comprising steps of: dispersing a positive electrode active material matrix into an alcohol solvent to form a positive electrode active material matrix suspension; dissolving an alcohol-soluble aluminum salt in an alcohol solvent to form an alcohol-soluble aluminum salt solution; dissolving an alcohol-soluble phosphorous compound in an alcohol solvent to form an alcohol-soluble phosphorous compound solution; mixing the alcohol-soluble aluminum salt solution and the alcohol-soluble phosphorous compound solution and heating to react, obtaining a liquid-phase coating solution which contains aluminum phosphate after the reaction is finished; mixing and stirring the positive electrode active material matrix suspension and the liquid-phase coating solution which contains aluminum phosphate, extraction filtrating and obtaining a filter cake after the stirring is finished, then drying and baking the filter cake, finally obtaining a modified positive electrode active material. |
| US10784501B2 |
Positive electrode plate and method of forming slurry for positive electrode plate
A method of forming slurry for a positive electrode plate is provided, which includes reacting maleimide compound and barbituric acid to form a hyper branched polymer. 0.1 to 1 part by weight of the hyper branched polymer is mixed with 0.01 to 1 part by weight of coupling agent and 0.1 to 6 parts by weight of carbon nanotube to form a mixture. 80 to 97.79 parts by weight of active material is added to the mixture, wherein the hyper branched polymer, the carbon nanotube, and the active material are bonded by the coupling agent. |
| US10784498B2 |
Positive electrode, battery, battery pack, electronic device, electric vehicle, electricity storage device, and electric power system
A positive electrode contains a first active material and a second active material. The first active material and the second active material each contain a lithium composite oxide containing at least manganese (Mn), nickel (Ni), and cobalt (Co) as transition metals. The first active material has a particulate shape. An average porosity V1 in a particle of the first active material satisfies 10[%]≤V1≤30[%]. An average particle diameter D1 of the first active material satisfies 6 [μm]≤D1≤20 [μm]. The second active material has a particulate shape. An average porosity V2 in a particle of the second active material satisfies 0[%]≤V2≤10[%]. An average particle diameter D2 of the second active material satisfies 1 [μm]≤D2≤6 [μm]. |
| US10784493B2 |
Charger, electronic device, charging system and charging method
The present disclosure relates to the technical field for charging an electrical appliance and provides a charger. The charger includes a base plate; and a first charge terminal and a control circuit disposed on the base plate. When the first charge terminal is connected with a charge plug, the first charge terminal switches from an extension position to a retraction position. The control circuit is configured to control the first charge terminal to be on-state when the first charge terminal is in the retraction position. |
| US10784492B2 |
Low profile pressure disconnect device for lithium ion batteries
Casings for lithium ion batteries are provided that include a container or assembly that defines a base, side walls and a top or lid, and a vent structure associated with the container or assembly. A flame arrestor may be positioned in proximity to the vent structure. The lithium ion battery may also include a pressure disconnect device associated with the casing. The pressure disconnect device may include a deflectable dome-based activation mechanism, and the deflectable dome-based activation mechanism may be configured and dimensioned to prevent burn through, e.g., by increasing the mass of the dome-based activation mechanism, adding material (e.g., foil) to the dome-based activation mechanism, and combinations thereof. Burn through may also be avoided, at least in part, based on the speed at which the dome-based activation mechanism responds at a target trigger pressure. |
| US10784490B2 |
Pouch type of battery cell having unit electrode where a plurality of electrode tabs are formed
The present invention provides a battery cell including: an electrode assembly having a structure in which a positive electrode, a negative electrode, and a separator are laminated, each of the positive electrode and the negative electrode having 2×n (n≥2), wherein a positive tab is provided in each of odd-numbered sides, and a negative electrode tab is provided in each of even-numbered sides, and the positive electrodes and the negative electrode tabs are alternately formed along the sides; electrode terminals respectively disposed on a first side and a second side of the electrode assembly, in which outermost electrodes are disposed, or third sides which are side surfaces of the electrode assembly, being perpendicular to the first side and the second side, and a battery case having a structure of surrounding an external surface of the electrode assembly. |
| US10784485B2 |
Cell contact-making system for an electrochemical device
A cell contact-making system for an electrochemical device that includes a plurality of electrochemical cells is provided. The cell contact-making system includes a signal conductor system having one or more signal conductors for electrically conductively connecting a signal source to a signal conductor terminal connector or to a monitoring arrangement of the electrochemical device, wherein the signal conductor system includes at least one flexible printed circuit, wherein the flexible printed circuit includes at least one flexible insulating film and at least one conductor track that is arranged on the insulating film. |
| US10784477B2 |
Rechargeable battery with elastically compliant housing
A rechargeable battery with elastically compliant housing includes a housing and at least one battery cell. The housing includes a pair of substantially rigid end plates and an elastically compliant structure joining the end plates so that the end plates are oriented in respective planes that are substantially parallel to each other and define a gap there between. Each battery cell is contained in the housing in the gap between the end plates and includes an anode, a cathode, and a separator between the anode and the cathode. The elastically compliant structure joins the end plates and includes an elastic component that exhibits elastic expansion greater than 3% along an axis orthogonal to the planes in which the end plates are oriented. |
| US10784476B2 |
Sealing apparatus for battery case with increased application area of pressure and heat
The present invention provides a sealing apparatus having a structure in which an application area of pressure and heat is increased by a pair of sealing blocks and a pressurization part extending from the sealing block. In the sealing apparatus according to the present invention based on the structure, when the sealing-planned part is pressurized, heat and pressure may be applied to the sealing-planned part or an insulating film to be extended, and thus an electrode lead and the sealing-planned part adjacent thereto may be firmly bonded. |
| US10784475B2 |
Cap assembly for a second battery and second battery
The present disclosure provides a cap assembly for a secondary battery and a secondary battery. The cap assembly includes a cap plate, a fixing member, a connecting member and an electrode terminal, wherein the cap plate has an electrode lead-out hole; the fixing member is fixed to the cap plate through the connecting member and provided with a weakened portion that is close to a center line of the cap plate in a width direction of the cap plate; and the electrode terminal includes a terminal board, wherein the terminal board has an outer peripheral surface at least partially surrounded by the fixing member so that the electrode terminal is fixed to the fixing member, and the terminal board is provided on a side of the cap plate and covers the electrode lead-out hole. |
| US10784472B2 |
Nozzle-droplet combination techniques to deposit fluids in substrate locations within precise tolerances
An ink printing process employs per-nozzle droplet volume measurement and processing software that plans droplet combinations to reach specific aggregate ink fills per target region, guaranteeing compliance with minimum and maximum ink fills set by specification. In various embodiments, different droplet combinations are produced through different print head/substrate scan offsets, offsets between print heads, the use of different nozzle drive waveforms, and/or other techniques. Optionally, patterns of fill variation can be introduced so as to mitigate observable line effects in a finished display device. The disclosed techniques have many other possible applications. |
| US10784467B2 |
Thin film packaging structures and display devices
The present disclosure relates to a thin film packaging structure, which includes at least one first composite film layer. The first composite film layer includes at least one first organic film layer and at least one mesh cushioning layer. A surface of at least part of the first organic film layers is provided with the mesh cushioning layer, and/or at least part of the first organic film layers is embedded with the mesh cushioning layer. According to applying the thin film packaging structure of the present disclosure, the mesh cushioning layer has better flexibility. During cutting process or under the influence of external forces, the mesh cushioning layer can effectively cushion stress acting on a display screen, and reduce stress propagation along a direction perpendicular to a thickness direction of the display screen, thereby avoiding cracking of the display screen effectively. The present disclosure further relates to a display device. |
| US10784465B2 |
Light-emitting device having white light emission
There has been a problem that difference in refractive index between an opposite substrate or a moisture barrier layer provided thereover, and air is maintained large, and light extraction efficiency is low. Further, there has been a problem that peeling or cracking due to the moisture barrier layer is easily generated, which leads to deteriorate the reliability and lifetime of a light-emitting element. A light-emitting element includes a pixel electrode, an electroluminescent layer, a transparent electrode, a passivation film, a stress relieving layer, and a low refractive index layer, all of which are stacked sequentially. The stress relieving layer serves to prevent peeling of the passivation film. The low refractive index layer serves to reduce reflectivity of light generated in the electroluminescent layer in emitting to air. Therefore, a light-emitting element with high reliability and long lifetime and a display device using the light-emitting element can be provided. |
| US10784464B2 |
Inorganic film and encapsulating film
The disclosure discloses an inorganic film applied for thin film encapsulation of an OLED device. The inorganic film includes inorganic layer units including a first inorganic layer, a second inorganic layer, and a third inorganic layer located between the first inorganic layer and the second inorganic layer, and the third inorganic layer is formed by reacting the first inorganic layer with the second inorganic layer. The inorganic film is used in the thin film encapsulation of the OLED device, which can improve the ability of the device to block the water and oxygen and improve the product quality. |
| US10784462B2 |
Display device
A display device includes: a substrate including a first pixel area (PA) and a second PA, the first PA being spaced apart from the second PA by a non-PA; a first pixel electrode (PE) overlapping the first PA; a second PE overlapping the second PA; a pixel-defining layer including a first opening overlapping the first PE and a second opening overlapping the second PE; a first intermediate layer (IL) on the first PE, the first IL including a first emission layer (EL); a second IL on the second PE, the second IL including a second EL spaced apart from the first EL; a first opposite electrode (OE) on the first IL; a second OE on the second IL, the second OE being spaced apart from the first OE; and a wiring layer (WL) overlapping the non-PA, the WL contacting respective portions of the first OE and the second OE. |
| US10784448B2 |
Electroluminescent imidazo-quinoxaline carbene metal complexes
Metal carbene complexes comprising at least one imidazo-quinoxaline ligand, organic electronic devices, especially OLEDs (Organic Light-Emitting Diodes) which comprise such complexes, a light-emitting layer comprising at least one inventive metal carbene complex, an apparatus selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, the use of such a metal carbene complex for electrophotographic photoreceptors, photoelectric converters, organic solar cells (organic photovoltaics), switching elements, organic light emitting field effect transistors (OLEFETs), image sensors, dye lasers and electroluminescent devices and a process for preparing such metal carbene complexes. |
| US10784446B2 |
Compound, organic electroluminescence element material, organic electroluminescence element and electronic device
A compound is represented by a formula (100) below, where X1, X2 and X3 are each independently a nitrogen atom or a carbon atom bonded with R2, Y is an oxygen atom, a sulfur atom and the like, R1, R2, R11, R21 and R22 are each a hydrogen atom or a substituent, L1 is a single bond or a linking group, and L2 is a linking group. |